Mercurial > projects > dwt-win
view dwt/widgets/Table.d @ 31:92c102dd64a3
Added all widgets modules as dummy. Most modules of accessible are equal to the linux version, except Accessible.
author | Frank Benoit <benoit@tionex.de> |
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date | Mon, 28 Jan 2008 04:47:28 +0100 |
parents | |
children | 0f25be5cbe6f |
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/******************************************************************************* * Copyright (c) 2000, 2007 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * IBM Corporation - initial API and implementation *******************************************************************************/ module dwt.widgets.Table; import dwt.widgets.Composite; class Table : Composite { } /++ //import java.util.*; import dwt.DWT; import dwt.DWTException; import dwt.events.SelectionEvent; import dwt.events.SelectionListener; import dwt.graphics.Font; import dwt.graphics.GC; import dwt.graphics.GCData; import dwt.graphics.Image; import dwt.graphics.Point; import dwt.graphics.Rectangle; import dwt.internal.ImageList; import dwt.internal.win32.HDHITTESTINFO; import dwt.internal.win32.HDITEM; import dwt.internal.win32.LRESULT; import dwt.internal.win32.LVCOLUMN; import dwt.internal.win32.LVHITTESTINFO; import dwt.internal.win32.LVITEM; import dwt.internal.win32.MEASUREITEMSTRUCT; import dwt.internal.win32.NMHDR; import dwt.internal.win32.NMHEADER; import dwt.internal.win32.NMLISTVIEW; import dwt.internal.win32.NMLVCUSTOMDRAW; import dwt.internal.win32.NMLVDISPINFO; import dwt.internal.win32.NMLVODSTATECHANGE; import dwt.internal.win32.NMRGINFO; import dwt.internal.win32.NMTTDISPINFO; import dwt.internal.win32.OS; import dwt.internal.win32.PAINTSTRUCT; import dwt.internal.win32.POINT; import dwt.internal.win32.RECT; import dwt.internal.win32.SCROLLINFO; import dwt.internal.win32.TCHAR; import dwt.internal.win32.TEXTMETRIC; import dwt.internal.win32.TEXTMETRICA; import dwt.internal.win32.TEXTMETRICW; import dwt.internal.win32.TOOLINFO; import dwt.internal.win32.WNDCLASS; /** * Instances of this class implement a selectable user interface * object that displays a list of images and strings and issues * notification when selected. * <p> * The item children that may be added to instances of this class * must be of type <code>TableItem</code>. * </p><p> * Style <code>VIRTUAL</code> is used to create a <code>Table</code> whose * <code>TableItem</code>s are to be populated by the client on an on-demand basis * instead of up-front. This can provide significant performance improvements for * tables that are very large or for which <code>TableItem</code> population is * expensive (for example, retrieving values from an external source). * </p><p> * Here is an example of using a <code>Table</code> with style <code>VIRTUAL</code>: * <code><pre> * final Table table = new Table (parent, DWT.VIRTUAL | DWT.BORDER); * table.setItemCount (1000000); * table.addListener (DWT.SetData, new Listener () { * public void handleEvent (Event event) { * TableItem item = (TableItem) event.item; * int index = table.indexOf (item); * item.setText ("Item " + index); * System.out.println (item.getText ()); * } * }); * </pre></code> * </p><p> * Note that although this class is a subclass of <code>Composite</code>, * it does not make sense to add <code>Control</code> children to it, * or set a layout on it. * </p><p> * <dl> * <dt><b>Styles:</b></dt> * <dd>SINGLE, MULTI, CHECK, FULL_SELECTION, HIDE_SELECTION, VIRTUAL</dd> * <dt><b>Events:</b></dt> * <dd>Selection, DefaultSelection, SetData, MeasureItem, EraseItem, PaintItem</dd> * </dl> * </p><p> * Note: Only one of the styles SINGLE, and MULTI may be specified. * </p><p> * IMPORTANT: This class is <em>not</em> intended to be subclassed. * </p> */ public class Table extends Composite { TableItem [] items; TableColumn [] columns; int columnCount, customCount; ImageList imageList, headerImageList; TableItem currentItem; TableColumn sortColumn; bool ignoreCustomDraw, ignoreDrawForeground, ignoreDrawBackground, ignoreDrawFocus, ignoreDrawSelection, ignoreDrawHot; bool customDraw, dragStarted, explorerTheme, firstColumnImage, fixScrollWidth, tipRequested, wasSelected, wasResized; bool ignoreActivate, ignoreSelect, ignoreShrink, ignoreResize, ignoreColumnMove, ignoreColumnResize; int headerToolTipHandle, itemHeight, lastIndexOf, lastWidth, sortDirection, resizeCount, selectionForeground, hotIndex; static /*final*/ int HeaderProc; static final int INSET = 4; static final int GRID_WIDTH = 1; static final int SORT_WIDTH = 10; static final int HEADER_MARGIN = 12; static final int HEADER_EXTRA = 3; static final int VISTA_EXTRA = 2; static final int EXPLORER_EXTRA = 2; static final bool EXPLORER_THEME = true; static final int TableProc; static final TCHAR TableClass = new TCHAR (0, OS.WC_LISTVIEW, true); static { WNDCLASS lpWndClass = new WNDCLASS (); OS.GetClassInfo (0, TableClass, lpWndClass); TableProc = lpWndClass.lpfnWndProc; } /** * Constructs a new instance of this class given its parent * and a style value describing its behavior and appearance. * <p> * The style value is either one of the style constants defined in * class <code>DWT</code> which is applicable to instances of this * class, or must be built by <em>bitwise OR</em>'ing together * (that is, using the <code>int</code> "|" operator) two or more * of those <code>DWT</code> style constants. The class description * lists the style constants that are applicable to the class. * Style bits are also inherited from superclasses. * </p> * * @param parent a composite control which will be the parent of the new instance (cannot be null) * @param style the style of control to construct * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> * </ul> * @exception DWTException <ul> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> * </ul> * * @see DWT#SINGLE * @see DWT#MULTI * @see DWT#CHECK * @see DWT#FULL_SELECTION * @see DWT#HIDE_SELECTION * @see DWT#VIRTUAL * @see Widget#checkSubclass * @see Widget#getStyle */ public Table (Composite parent, int style) { super (parent, checkStyle (style)); } void _addListener (int eventType, Listener listener) { super._addListener (eventType, listener); switch (eventType) { case DWT.MeasureItem: case DWT.EraseItem: case DWT.PaintItem: setCustomDraw (true); setBackgroundTransparent (true); if (OS.COMCTL32_MAJOR < 6) style |= DWT.DOUBLE_BUFFERED; //TODO - LVS_EX_LABELTIP causes white rectangles (turn it off) OS.SendMessage (handle, OS.LVM_SETEXTENDEDLISTVIEWSTYLE, OS.LVS_EX_LABELTIP, 0); break; } } TableItem _getItem (int index) { if ((style & DWT.VIRTUAL) is 0) return items [index]; if (items [index] !is null) return items [index]; return items [index] = new TableItem (this, DWT.NONE, -1, false); } /** * Adds the listener to the collection of listeners who will * be notified when the user changes the receiver's selection, by sending * it one of the messages defined in the <code>SelectionListener</code> * interface. * <p> * When <code>widgetSelected</code> is called, the item field of the event object is valid. * If the receiver has the <code>DWT.CHECK</code> style and the check selection changes, * the event object detail field contains the value <code>DWT.CHECK</code>. * <code>widgetDefaultSelected</code> is typically called when an item is double-clicked. * The item field of the event object is valid for default selection, but the detail field is not used. * </p> * * @param listener the listener which should be notified when the user changes the receiver's selection * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see SelectionListener * @see #removeSelectionListener * @see SelectionEvent */ public void addSelectionListener (SelectionListener listener) { checkWidget (); if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); TypedListener typedListener = new TypedListener (listener); addListener (DWT.Selection,typedListener); addListener (DWT.DefaultSelection,typedListener); } int callWindowProc (int hwnd, int msg, int wParam, int lParam) { return callWindowProc (hwnd, msg, wParam, lParam, false); } int callWindowProc (int hwnd, int msg, int wParam, int lParam, bool forceSelect) { if (handle is 0) return 0; if (handle !is hwnd) { return OS.CallWindowProc (HeaderProc, hwnd, msg, wParam, lParam); } int topIndex = 0; bool checkSelection = false, checkActivate = false, redraw = false; switch (msg) { /* Keyboard messages */ /* * Feature in Windows. Windows sends LVN_ITEMACTIVATE from WM_KEYDOWN * instead of WM_CHAR. This means that application code that expects * to consume the key press and therefore avoid a DWT.DefaultSelection * event will fail. The fix is to ignore LVN_ITEMACTIVATE when it is * caused by WM_KEYDOWN and send DWT.DefaultSelection from WM_CHAR. */ case OS.WM_KEYDOWN: checkActivate = true; //FALL THROUGH case OS.WM_CHAR: case OS.WM_IME_CHAR: case OS.WM_KEYUP: case OS.WM_SYSCHAR: case OS.WM_SYSKEYDOWN: case OS.WM_SYSKEYUP: //FALL THROUGH /* Scroll messages */ case OS.WM_HSCROLL: case OS.WM_VSCROLL: //FALL THROUGH /* Resize messages */ case OS.WM_WINDOWPOSCHANGED: redraw = findImageControl () !is null && drawCount is 0 && OS.IsWindowVisible (handle); if (redraw) OS.DefWindowProc (handle, OS.WM_SETREDRAW, 0, 0); //FALL THROUGH /* Mouse messages */ case OS.WM_LBUTTONDBLCLK: case OS.WM_LBUTTONDOWN: case OS.WM_LBUTTONUP: case OS.WM_MBUTTONDBLCLK: case OS.WM_MBUTTONDOWN: case OS.WM_MBUTTONUP: case OS.WM_MOUSEHOVER: case OS.WM_MOUSELEAVE: case OS.WM_MOUSEMOVE: case OS.WM_MOUSEWHEEL: case OS.WM_RBUTTONDBLCLK: case OS.WM_RBUTTONDOWN: case OS.WM_RBUTTONUP: case OS.WM_XBUTTONDBLCLK: case OS.WM_XBUTTONDOWN: case OS.WM_XBUTTONUP: checkSelection = true; //FALL THROUGH /* Other messages */ case OS.WM_SETFONT: case OS.WM_TIMER: { if (findImageControl () !is null) { topIndex = OS.SendMessage (handle, OS.LVM_GETTOPINDEX, 0, 0); } } } bool oldSelected = wasSelected; if (checkSelection) wasSelected = false; if (checkActivate) ignoreActivate = true; int code = OS.CallWindowProc (TableProc, hwnd, msg, wParam, lParam); if (checkActivate) ignoreActivate = false; if (checkSelection) { if (wasSelected || forceSelect) { Event event = new Event (); int index = OS.SendMessage (handle, OS.LVM_GETNEXTITEM, -1, OS.LVNI_FOCUSED); if (index !is -1) event.item = _getItem (index); postEvent (DWT.Selection, event); } wasSelected = oldSelected; } switch (msg) { /* Keyboard messages */ case OS.WM_KEYDOWN: case OS.WM_CHAR: case OS.WM_IME_CHAR: case OS.WM_KEYUP: case OS.WM_SYSCHAR: case OS.WM_SYSKEYDOWN: case OS.WM_SYSKEYUP: //FALL THROUGH /* Scroll messages */ case OS.WM_HSCROLL: case OS.WM_VSCROLL: //FALL THROUGH /* Resize messages */ case OS.WM_WINDOWPOSCHANGED: if (redraw) { OS.DefWindowProc (handle, OS.WM_SETREDRAW, 1, 0); OS.InvalidateRect (handle, null, true); int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); if (hwndHeader !is 0) OS.InvalidateRect (hwndHeader, null, true); } //FALL THROUGH /* Mouse messages */ case OS.WM_LBUTTONDBLCLK: case OS.WM_LBUTTONDOWN: case OS.WM_LBUTTONUP: case OS.WM_MBUTTONDBLCLK: case OS.WM_MBUTTONDOWN: case OS.WM_MBUTTONUP: case OS.WM_MOUSEHOVER: case OS.WM_MOUSELEAVE: case OS.WM_MOUSEMOVE: case OS.WM_MOUSEWHEEL: case OS.WM_RBUTTONDBLCLK: case OS.WM_RBUTTONDOWN: case OS.WM_RBUTTONUP: case OS.WM_XBUTTONDBLCLK: case OS.WM_XBUTTONDOWN: case OS.WM_XBUTTONUP: //FALL THROUGH /* Other messages */ case OS.WM_SETFONT: case OS.WM_TIMER: { if (findImageControl () !is null) { if (topIndex !is OS.SendMessage (handle, OS.LVM_GETTOPINDEX, 0, 0)) { OS.InvalidateRect (handle, null, true); } } } } return code; } static int checkStyle (int style) { /* * Feature in Windows. It is not possible to create * a table that does not have scroll bars. Therefore, * no matter what style bits are specified, set the * H_SCROLL and V_SCROLL bits so that the DWT style * will match the widget that Windows creates. */ style |= DWT.H_SCROLL | DWT.V_SCROLL; return checkBits (style, DWT.SINGLE, DWT.MULTI, 0, 0, 0, 0); } LRESULT CDDS_ITEMPOSTPAINT (NMLVCUSTOMDRAW nmcd, int wParam, int lParam) { int hDC = nmcd.hdc; if (explorerTheme && !ignoreCustomDraw) { hotIndex = -1; if (hooks (DWT.EraseItem) && nmcd.left !is nmcd.right) { OS.RestoreDC (hDC, -1); } } /* * Bug in Windows. When the table has the extended style * LVS_EX_FULLROWSELECT and LVM_SETBKCOLOR is used with * CLR_NONE to make the table transparent, Windows fills * a black rectangle around any column that contains an * image. The fix is clear LVS_EX_FULLROWSELECT during * custom draw. * * NOTE: Since CDIS_FOCUS is cleared during custom draw, * it is necessary to draw the focus rectangle after the * item has been drawn. */ if (!ignoreCustomDraw && !ignoreDrawFocus && nmcd.left !is nmcd.right) { if (OS.IsWindowVisible (handle) && OS.IsWindowEnabled (handle)) { if (!explorerTheme && (style & DWT.FULL_SELECTION) !is 0) { if (OS.SendMessage (handle, OS.LVM_GETBKCOLOR, 0, 0) is OS.CLR_NONE) { int dwExStyle = OS.SendMessage (handle, OS.LVM_GETEXTENDEDLISTVIEWSTYLE, 0, 0); if ((dwExStyle & OS.LVS_EX_FULLROWSELECT) is 0) { // if ((nmcd.uItemState & OS.CDIS_FOCUS) !is 0) { if (OS.SendMessage (handle, OS.LVM_GETNEXTITEM, -1, OS.LVNI_FOCUSED) is nmcd.dwItemSpec) { if (handle is OS.GetFocus ()) { int uiState = OS.SendMessage (handle, OS.WM_QUERYUISTATE, 0, 0); if ((uiState & OS.UISF_HIDEFOCUS) is 0) { RECT rect = new RECT (); rect.left = OS.LVIR_BOUNDS; bool oldIgnore = ignoreCustomDraw; ignoreCustomDraw = true; OS.SendMessage (handle, OS. LVM_GETITEMRECT, nmcd.dwItemSpec, rect); int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); int index = OS.SendMessage (hwndHeader, OS.HDM_ORDERTOINDEX, 0, 0); RECT itemRect = new RECT (); if (index is 0) { itemRect.left = OS.LVIR_LABEL; OS.SendMessage (handle, OS. LVM_GETITEMRECT, index, itemRect); } else { itemRect.top = index; itemRect.left = OS.LVIR_ICON; OS.SendMessage (handle, OS. LVM_GETSUBITEMRECT, nmcd.dwItemSpec, itemRect); } ignoreCustomDraw = oldIgnore; rect.left = itemRect.left; OS.DrawFocusRect (nmcd.hdc, rect); } } } } } } } } return null; } LRESULT CDDS_ITEMPREPAINT (NMLVCUSTOMDRAW nmcd, int wParam, int lParam) { /* * Bug in Windows. When the table has the extended style * LVS_EX_FULLROWSELECT and LVM_SETBKCOLOR is used with * CLR_NONE to make the table transparent, Windows fills * a black rectangle around any column that contains an * image. The fix is clear LVS_EX_FULLROWSELECT during * custom draw. * * NOTE: It is also necessary to clear CDIS_FOCUS to stop * the table from drawing the focus rectangle around the * first item instead of the full row. */ if (!ignoreCustomDraw) { if (OS.IsWindowVisible (handle) && OS.IsWindowEnabled (handle)) { if (!explorerTheme && (style & DWT.FULL_SELECTION) !is 0) { if (OS.SendMessage (handle, OS.LVM_GETBKCOLOR, 0, 0) is OS.CLR_NONE) { int dwExStyle = OS.SendMessage (handle, OS.LVM_GETEXTENDEDLISTVIEWSTYLE, 0, 0); if ((dwExStyle & OS.LVS_EX_FULLROWSELECT) is 0) { if ((nmcd.uItemState & OS.CDIS_FOCUS) !is 0) { nmcd.uItemState &= ~OS.CDIS_FOCUS; OS.MoveMemory (lParam, nmcd, NMLVCUSTOMDRAW.sizeof); } } } } } } if (explorerTheme && !ignoreCustomDraw) { hotIndex = (nmcd.uItemState & OS.CDIS_HOT) !is 0 ? nmcd.dwItemSpec : -1; if (hooks (DWT.EraseItem) && nmcd.left !is nmcd.right) { OS.SaveDC (nmcd.hdc); int hrgn = OS.CreateRectRgn (0, 0, 0, 0); OS.SelectClipRgn (nmcd.hdc, hrgn); OS.DeleteObject (hrgn); } } return new LRESULT (OS.CDRF_NOTIFYSUBITEMDRAW | OS.CDRF_NOTIFYPOSTPAINT); } LRESULT CDDS_POSTPAINT (NMLVCUSTOMDRAW nmcd, int wParam, int lParam) { if (ignoreCustomDraw) return null; /* * Bug in Windows. When the table has the extended style * LVS_EX_FULLROWSELECT and LVM_SETBKCOLOR is used with * CLR_NONE to make the table transparent, Windows fills * a black rectangle around any column that contains an * image. The fix is clear LVS_EX_FULLROWSELECT during * custom draw. */ if (--customCount is 0 && OS.IsWindowVisible (handle)) { if (!explorerTheme && (style & DWT.FULL_SELECTION) !is 0) { if (OS.SendMessage (handle, OS.LVM_GETBKCOLOR, 0, 0) is OS.CLR_NONE) { int dwExStyle = OS.SendMessage (handle, OS.LVM_GETEXTENDEDLISTVIEWSTYLE, 0, 0); if ((dwExStyle & OS.LVS_EX_FULLROWSELECT) is 0) { int bits = OS.LVS_EX_FULLROWSELECT; if (OS.IsWinCE) { RECT rect = new RECT (); bool damaged = OS.GetUpdateRect (handle, rect, true); OS.SendMessage (handle, OS.LVM_SETEXTENDEDLISTVIEWSTYLE, bits, bits); OS.ValidateRect (handle, null); if (damaged) OS.InvalidateRect (handle, rect, true); } else { int rgn = OS.CreateRectRgn (0, 0, 0, 0); int result = OS.GetUpdateRgn (handle, rgn, true); OS.SendMessage (handle, OS.LVM_SETEXTENDEDLISTVIEWSTYLE, bits, bits); OS.ValidateRect (handle, null); if (result !is OS.NULLREGION) OS.InvalidateRgn (handle, rgn, true); OS.DeleteObject (rgn); } } } } } return null; } LRESULT CDDS_PREPAINT (NMLVCUSTOMDRAW nmcd, int wParam, int lParam) { if (ignoreCustomDraw) { return new LRESULT (OS.CDRF_NOTIFYITEMDRAW | OS.CDRF_NOTIFYPOSTPAINT); } /* * Bug in Windows. When the table has the extended style * LVS_EX_FULLROWSELECT and LVM_SETBKCOLOR is used with * CLR_NONE to make the table transparent, Windows fills * a black rectangle around any column that contains an * image. The fix is clear LVS_EX_FULLROWSELECT during * custom draw. */ if (customCount++ is 0 && OS.IsWindowVisible (handle)) { if (!explorerTheme && (style & DWT.FULL_SELECTION) !is 0) { if (OS.SendMessage (handle, OS.LVM_GETBKCOLOR, 0, 0) is OS.CLR_NONE) { int dwExStyle = OS.SendMessage (handle, OS.LVM_GETEXTENDEDLISTVIEWSTYLE, 0, 0); if ((dwExStyle & OS.LVS_EX_FULLROWSELECT) !is 0) { int bits = OS.LVS_EX_FULLROWSELECT; if (OS.IsWinCE) { RECT rect = new RECT (); bool damaged = OS.GetUpdateRect (handle, rect, true); OS.SendMessage (handle, OS.LVM_SETEXTENDEDLISTVIEWSTYLE, bits, 0); OS.ValidateRect (handle, null); if (damaged) OS.InvalidateRect (handle, rect, true); } else { int rgn = OS.CreateRectRgn (0, 0, 0, 0); int result = OS.GetUpdateRgn (handle, rgn, true); OS.SendMessage (handle, OS.LVM_SETEXTENDEDLISTVIEWSTYLE, bits, 0); OS.ValidateRect (handle, null); if (result !is OS.NULLREGION) OS.InvalidateRgn (handle, rgn, true); OS.DeleteObject (rgn); } } } } } if (OS.IsWindowVisible (handle)) { bool draw = true; /* * Feature in Windows. On Vista using the explorer theme, * Windows draws a vertical line to separate columns. When * there is only a single column, the line looks strange. * The fix is to draw the background using custom draw. */ if (explorerTheme && columnCount is 0) { int hDC = nmcd.hdc; RECT rect = new RECT (); OS.SetRect (rect, nmcd.left, nmcd.top, nmcd.right, nmcd.bottom); if (OS.IsWindowEnabled (handle) || findImageControl () !is null) { drawBackground (hDC, rect); } else { fillBackground (hDC, OS.GetSysColor (OS.COLOR_3DFACE), rect); } draw = false; } if (draw) { Control control = findBackgroundControl (); if (control !is null && control.backgroundImage !is null) { RECT rect = new RECT (); OS.SetRect (rect, nmcd.left, nmcd.top, nmcd.right, nmcd.bottom); fillImageBackground (nmcd.hdc, control, rect); } else { if (OS.SendMessage (handle, OS.LVM_GETBKCOLOR, 0, 0) is OS.CLR_NONE) { if (OS.IsWindowEnabled (handle)) { RECT rect = new RECT (); OS.SetRect (rect, nmcd.left, nmcd.top, nmcd.right, nmcd.bottom); if (control is null) control = this; fillBackground (nmcd.hdc, control.getBackgroundPixel (), rect); if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) { if (sortColumn !is null && sortDirection !is DWT.NONE) { int index = indexOf (sortColumn); if (index !is -1) { parent.forceResize (); int clrSortBk = getSortColumnPixel (); RECT columnRect = new RECT (), headerRect = new RECT (); OS.GetClientRect (handle, columnRect); int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); if (OS.SendMessage (hwndHeader, OS.HDM_GETITEMRECT, index, headerRect) !is 0) { OS.MapWindowPoints (hwndHeader, handle, headerRect, 2); columnRect.left = headerRect.left; columnRect.right = headerRect.right; if (OS.IntersectRect(columnRect, columnRect, rect)) { fillBackground (nmcd.hdc, clrSortBk, columnRect); } } } } } } } } } } return new LRESULT (OS.CDRF_NOTIFYITEMDRAW | OS.CDRF_NOTIFYPOSTPAINT); } LRESULT CDDS_SUBITEMPOSTPAINT (NMLVCUSTOMDRAW nmcd, int wParam, int lParam) { if (ignoreCustomDraw) return null; if (nmcd.left is nmcd.right) return new LRESULT (OS.CDRF_DODEFAULT); int hDC = nmcd.hdc; if (ignoreDrawForeground) OS.RestoreDC (hDC, -1); if (OS.IsWindowVisible (handle)) { /* * Feature in Windows. When there is a sort column, the sort column * color draws on top of the background color for an item. The fix * is to clear the sort column in CDDS_SUBITEMPREPAINT, and reset it * in CDDS_SUBITEMPOSTPAINT. */ if (OS.SendMessage (handle, OS.LVM_GETBKCOLOR, 0, 0) !is OS.CLR_NONE) { if ((sortDirection & (DWT.UP | DWT.DOWN)) !is 0) { if (sortColumn !is null && !sortColumn.isDisposed ()) { int oldColumn = OS.SendMessage (handle, OS.LVM_GETSELECTEDCOLUMN, 0, 0); if (oldColumn is -1) { int newColumn = indexOf (sortColumn); int result = 0, rgn = 0; if (!OS.IsWinCE && OS.WIN32_VERSION >= OS.VERSION (6, 0)) { rgn = OS.CreateRectRgn (0, 0, 0, 0); result = OS.GetUpdateRgn (handle, rgn, true); } OS.SendMessage (handle, OS.LVM_SETSELECTEDCOLUMN, newColumn, 0); if (!OS.IsWinCE && OS.WIN32_VERSION >= OS.VERSION (6, 0)) { OS.ValidateRect (handle, null); if (result !is OS.NULLREGION) OS.InvalidateRgn (handle, rgn, true); OS.DeleteObject (rgn); } } } } } if (hooks (DWT.PaintItem)) { TableItem item = _getItem (nmcd.dwItemSpec); sendPaintItemEvent (item, nmcd); //widget could be disposed at this point } } return null; } LRESULT CDDS_SUBITEMPREPAINT (NMLVCUSTOMDRAW nmcd, int wParam, int lParam) { int hDC = nmcd.hdc; if (explorerTheme && !ignoreCustomDraw && hooks (DWT.EraseItem) && (nmcd.left !is nmcd.right)) { OS.RestoreDC (hDC, -1); } /* * Feature in Windows. When a new table item is inserted * using LVM_INSERTITEM in a table that is transparent * (ie. LVM_SETBKCOLOR has been called with CLR_NONE), * TVM_INSERTITEM calls NM_CUSTOMDRAW before the new item * has been added to the array. The fix is to check for * null. */ TableItem item = _getItem (nmcd.dwItemSpec); if (item is null) return null; int hFont = item.cellFont !is null ? item.cellFont [nmcd.iSubItem] : -1; if (hFont is -1) hFont = item.font; if (hFont !is -1) OS.SelectObject (hDC, hFont); if (ignoreCustomDraw || (nmcd.left is nmcd.right)) { return new LRESULT (hFont is -1 ? OS.CDRF_DODEFAULT : OS.CDRF_NEWFONT); } int code = OS.CDRF_DODEFAULT; selectionForeground = -1; ignoreDrawForeground = ignoreDrawSelection = ignoreDrawFocus = ignoreDrawBackground = false; if (OS.IsWindowVisible (handle)) { if (hooks (DWT.MeasureItem)) { sendMeasureItemEvent (item, nmcd.dwItemSpec, nmcd.iSubItem, nmcd.hdc); if (isDisposed () || item.isDisposed ()) return null; } if (hooks (DWT.EraseItem)) { sendEraseItemEvent (item, nmcd, lParam); if (isDisposed () || item.isDisposed ()) return null; code |= OS.CDRF_NOTIFYPOSTPAINT; } if (ignoreDrawForeground || hooks (DWT.PaintItem)) code |= OS.CDRF_NOTIFYPOSTPAINT; } int clrText = item.cellForeground !is null ? item.cellForeground [nmcd.iSubItem] : -1; if (clrText is -1) clrText = item.foreground; int clrTextBk = item.cellBackground !is null ? item.cellBackground [nmcd.iSubItem] : -1; if (clrTextBk is -1) clrTextBk = item.background; if (selectionForeground !is -1) clrText = selectionForeground; /* * Bug in Windows. When the table has the extended style * LVS_EX_FULLROWSELECT and LVM_SETBKCOLOR is used with * CLR_NONE to make the table transparent, Windows draws * a black rectangle around any column that contains an * image. The fix is emulate LVS_EX_FULLROWSELECT by * drawing the selection. */ if (OS.IsWindowVisible (handle) && OS.IsWindowEnabled (handle)) { if (!explorerTheme && !ignoreDrawSelection && (style & DWT.FULL_SELECTION) !is 0) { int bits = OS.SendMessage (handle, OS.LVM_GETEXTENDEDLISTVIEWSTYLE, 0, 0); if ((bits & OS.LVS_EX_FULLROWSELECT) is 0) { /* * Bug in Windows. For some reason, CDIS_SELECTED always set, * even for items that are not selected. The fix is to get * the selection state from the item. */ LVITEM lvItem = new LVITEM (); lvItem.mask = OS.LVIF_STATE; lvItem.stateMask = OS.LVIS_SELECTED; lvItem.iItem = nmcd.dwItemSpec; int result = OS.SendMessage (handle, OS.LVM_GETITEM, 0, lvItem); if ((result !is 0 && (lvItem.state & OS.LVIS_SELECTED) !is 0)) { int clrSelection = -1; if (nmcd.iSubItem is 0) { if (OS.GetFocus () is handle) { clrSelection = OS.GetSysColor (OS.COLOR_HIGHLIGHT); } else { if ((style & DWT.HIDE_SELECTION) is 0) { clrSelection = OS.GetSysColor (OS.COLOR_3DFACE); } } } else { if (OS.GetFocus () is handle) { clrText = OS.GetSysColor (OS.COLOR_HIGHLIGHTTEXT); clrTextBk = clrSelection = OS.GetSysColor (OS.COLOR_HIGHLIGHT); } else { if ((style & DWT.HIDE_SELECTION) is 0) { clrTextBk = clrSelection = OS.GetSysColor (OS.COLOR_3DFACE); } } } if (clrSelection !is -1) { RECT rect = item.getBounds (nmcd.dwItemSpec, nmcd.iSubItem, true, nmcd.iSubItem !is 0, true, false, hDC); fillBackground (hDC, clrSelection, rect); } } } } } if (!ignoreDrawForeground) { /* * Bug in Windows. When the attributes are for one cell in a table, * Windows does not reset them for the next cell. As a result, all * subsequent cells are drawn using the previous font, foreground and * background colors. The fix is to set the all attributes when any * attribute could have changed. */ bool hasAttributes = true; if (hFont is -1 && clrText is -1 && clrTextBk is -1) { if (item.cellForeground is null && item.cellBackground is null && item.cellFont is null) { int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); int count = OS.SendMessage (hwndHeader, OS.HDM_GETITEMCOUNT, 0, 0); if (count is 1) hasAttributes = false; } } if (hasAttributes) { if (hFont is -1) hFont = OS.SendMessage (handle, OS.WM_GETFONT, 0, 0); OS.SelectObject (hDC, hFont); if (OS.IsWindowEnabled (handle)) { nmcd.clrText = clrText is -1 ? getForegroundPixel () : clrText; if (clrTextBk is -1) { nmcd.clrTextBk = OS.CLR_NONE; if (selectionForeground is -1) { Control control = findBackgroundControl (); if (control is null) control = this; if (control.backgroundImage is null) { if (OS.SendMessage (handle, OS.LVM_GETBKCOLOR, 0, 0) !is OS.CLR_NONE) { nmcd.clrTextBk = control.getBackgroundPixel (); } } } } else { nmcd.clrTextBk = selectionForeground !is -1 ? OS.CLR_NONE : clrTextBk; } OS.MoveMemory (lParam, nmcd, NMLVCUSTOMDRAW.sizeof); } code |= OS.CDRF_NEWFONT; } } if (OS.IsWindowEnabled (handle)) { /* * Feature in Windows. When there is a sort column, the sort column * color draws on top of the background color for an item. The fix * is to clear the sort column in CDDS_SUBITEMPREPAINT, and reset it * in CDDS_SUBITEMPOSTPAINT. */ if (clrTextBk !is -1) { int oldColumn = OS.SendMessage (handle, OS.LVM_GETSELECTEDCOLUMN, 0, 0); if (oldColumn !is -1 && oldColumn is nmcd.iSubItem) { int result = 0, rgn = 0; if (!OS.IsWinCE && OS.WIN32_VERSION >= OS.VERSION (6, 0)) { rgn = OS.CreateRectRgn (0, 0, 0, 0); result = OS.GetUpdateRgn (handle, rgn, true); } OS.SendMessage (handle, OS.LVM_SETSELECTEDCOLUMN, -1, 0); if (!OS.IsWinCE && OS.WIN32_VERSION >= OS.VERSION (6, 0)) { OS.ValidateRect (handle, null); if (result !is OS.NULLREGION) OS.InvalidateRgn (handle, rgn, true); OS.DeleteObject (rgn); } code |= OS.CDRF_NOTIFYPOSTPAINT; } } } else { /* * Feature in Windows. When the table is disabled, it draws * with a gray background but does not gray the text. The fix * is to explicitly gray the text. */ nmcd.clrText = OS.GetSysColor (OS.COLOR_GRAYTEXT); if (findImageControl () !is null) { nmcd.clrTextBk = OS.CLR_NONE; } else { nmcd.clrTextBk = OS.GetSysColor (OS.COLOR_3DFACE); } nmcd.uItemState &= ~OS.CDIS_SELECTED; OS.MoveMemory (lParam, nmcd, NMLVCUSTOMDRAW.sizeof); code |= OS.CDRF_NEWFONT; } return new LRESULT (code); } void checkBuffered () { super.checkBuffered (); if (OS.COMCTL32_MAJOR >= 6) style |= DWT.DOUBLE_BUFFERED; if ((style & DWT.VIRTUAL) !is 0) style |= DWT.DOUBLE_BUFFERED; } bool checkData (TableItem item, bool redraw) { if ((style & DWT.VIRTUAL) is 0) return true; return checkData (item, indexOf (item), redraw); } bool checkData (TableItem item, int index, bool redraw) { if ((style & DWT.VIRTUAL) is 0) return true; if (!item.cached) { item.cached = true; Event event = new Event (); event.item = item; event.index = index; currentItem = item; sendEvent (DWT.SetData, event); //widget could be disposed at this point currentItem = null; if (isDisposed () || item.isDisposed ()) return false; if (redraw) { if (!setScrollWidth (item, false)) { item.redraw (); } } } return true; } bool checkHandle (int hwnd) { if (hwnd is handle) return true; return hwnd is OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); } protected void checkSubclass () { if (!isValidSubclass ()) error (DWT.ERROR_INVALID_SUBCLASS); } /** * Clears the item at the given zero-relative index in the receiver. * The text, icon and other attributes of the item are set to the default * value. If the table was created with the <code>DWT.VIRTUAL</code> style, * these attributes are requested again as needed. * * @param index the index of the item to clear * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> * </ul> * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see DWT#VIRTUAL * @see DWT#SetData * * @since 3.0 */ public void clear (int index) { checkWidget (); int count = OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0); if (!(0 <= index && index < count)) error (DWT.ERROR_INVALID_RANGE); TableItem item = items [index]; if (item !is null) { if (item !is currentItem) item.clear (); /* * Bug in Windows. Despite the fact that every item in the * table always has LPSTR_TEXTCALLBACK, Windows caches the * bounds for the selected items. This means that * when you change the string to be something else, Windows * correctly asks you for the new string but when the item * is selected, the selection draws using the bounds of the * previous item. The fix is to reset LPSTR_TEXTCALLBACK * even though it has not changed, causing Windows to flush * cached bounds. */ if ((style & DWT.VIRTUAL) is 0 && item.cached) { LVITEM lvItem = new LVITEM (); lvItem.mask = OS.LVIF_TEXT | OS.LVIF_INDENT; lvItem.pszText = OS.LPSTR_TEXTCALLBACK; lvItem.iItem = index; OS.SendMessage (handle, OS.LVM_SETITEM, 0, lvItem); item.cached = false; } if (currentItem is null && drawCount is 0 && OS.IsWindowVisible (handle)) { OS.SendMessage (handle, OS.LVM_REDRAWITEMS, index, index); } setScrollWidth (item, false); } } /** * Removes the items from the receiver which are between the given * zero-relative start and end indices (inclusive). The text, icon * and other attributes of the items are set to their default values. * If the table was created with the <code>DWT.VIRTUAL</code> style, * these attributes are requested again as needed. * * @param start the start index of the item to clear * @param end the end index of the item to clear * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_RANGE - if either the start or end are not between 0 and the number of elements in the list minus 1 (inclusive)</li> * </ul> * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see DWT#VIRTUAL * @see DWT#SetData * * @since 3.0 */ public void clear (int start, int end) { checkWidget (); if (start > end) return; int count = OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0); if (!(0 <= start && start <= end && end < count)) { error (DWT.ERROR_INVALID_RANGE); } if (start is 0 && end is count - 1) { clearAll (); } else { LVITEM lvItem = null; bool cleared = false; for (int i=start; i<=end; i++) { TableItem item = items [i]; if (item !is null) { if (item !is currentItem) { cleared = true; item.clear (); } /* * Bug in Windows. Despite the fact that every item in the * table always has LPSTR_TEXTCALLBACK, Windows caches the * bounds for the selected items. This means that * when you change the string to be something else, Windows * correctly asks you for the new string but when the item * is selected, the selection draws using the bounds of the * previous item. The fix is to reset LPSTR_TEXTCALLBACK * even though it has not changed, causing Windows to flush * cached bounds. */ if ((style & DWT.VIRTUAL) is 0 && item.cached) { if (lvItem is null) { lvItem = new LVITEM (); lvItem.mask = OS.LVIF_TEXT | OS.LVIF_INDENT; lvItem.pszText = OS.LPSTR_TEXTCALLBACK; } lvItem.iItem = i; OS.SendMessage (handle, OS.LVM_SETITEM, 0, lvItem); item.cached = false; } } } if (cleared) { if (currentItem is null && drawCount is 0 && OS.IsWindowVisible (handle)) { OS.SendMessage (handle, OS.LVM_REDRAWITEMS, start, end); } TableItem item = start is end ? items [start] : null; setScrollWidth (item, false); } } } /** * Clears the items at the given zero-relative indices in the receiver. * The text, icon and other attributes of the items are set to their default * values. If the table was created with the <code>DWT.VIRTUAL</code> style, * these attributes are requested again as needed. * * @param indices the array of indices of the items * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> * <li>ERROR_NULL_ARGUMENT - if the indices array is null</li> * </ul> * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see DWT#VIRTUAL * @see DWT#SetData * * @since 3.0 */ public void clear (int [] indices) { checkWidget (); if (indices is null) error (DWT.ERROR_NULL_ARGUMENT); if (indices.length is 0) return; int count = OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0); for (int i=0; i<indices.length; i++) { if (!(0 <= indices [i] && indices [i] < count)) { error (DWT.ERROR_INVALID_RANGE); } } LVITEM lvItem = null; bool cleared = false; for (int i=0; i<indices.length; i++) { int index = indices [i]; TableItem item = items [index]; if (item !is null) { if (item !is currentItem) { cleared = true; item.clear (); } /* * Bug in Windows. Despite the fact that every item in the * table always has LPSTR_TEXTCALLBACK, Windows caches the * bounds for the selected items. This means that * when you change the string to be something else, Windows * correctly asks you for the new string but when the item * is selected, the selection draws using the bounds of the * previous item. The fix is to reset LPSTR_TEXTCALLBACK * even though it has not changed, causing Windows to flush * cached bounds. */ if ((style & DWT.VIRTUAL) is 0 && item.cached) { if (lvItem is null) { lvItem = new LVITEM (); lvItem.mask = OS.LVIF_TEXT | OS.LVIF_INDENT; lvItem.pszText = OS.LPSTR_TEXTCALLBACK; } lvItem.iItem = i; OS.SendMessage (handle, OS.LVM_SETITEM, 0, lvItem); item.cached = false; } if (currentItem is null && drawCount is 0 && OS.IsWindowVisible (handle)) { OS.SendMessage (handle, OS.LVM_REDRAWITEMS, index, index); } } } if (cleared) setScrollWidth (null, false); } /** * Clears all the items in the receiver. The text, icon and other * attributes of the items are set to their default values. If the * table was created with the <code>DWT.VIRTUAL</code> style, these * attributes are requested again as needed. * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see DWT#VIRTUAL * @see DWT#SetData * * @since 3.0 */ public void clearAll () { checkWidget (); LVITEM lvItem = null; bool cleared = false; int count = OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0); for (int i=0; i<count; i++) { TableItem item = items [i]; if (item !is null) { if (item !is currentItem) { cleared = true; item.clear (); } /* * Bug in Windows. Despite the fact that every item in the * table always has LPSTR_TEXTCALLBACK, Windows caches the * bounds for the selected items. This means that * when you change the string to be something else, Windows * correctly asks you for the new string but when the item * is selected, the selection draws using the bounds of the * previous item. The fix is to reset LPSTR_TEXTCALLBACK * even though it has not changed, causing Windows to flush * cached bounds. */ if ((style & DWT.VIRTUAL) is 0 && item.cached) { if (lvItem is null) { lvItem = new LVITEM (); lvItem.mask = OS.LVIF_TEXT | OS.LVIF_INDENT; lvItem.pszText = OS.LPSTR_TEXTCALLBACK; } lvItem.iItem = i; OS.SendMessage (handle, OS.LVM_SETITEM, 0, lvItem); item.cached = false; } } } if (cleared) { if (currentItem is null && drawCount is 0 && OS.IsWindowVisible (handle)) { OS.SendMessage (handle, OS.LVM_REDRAWITEMS, 0, count - 1); } setScrollWidth (null, false); } } public Point computeSize (int wHint, int hHint, bool changed) { checkWidget (); if (fixScrollWidth) setScrollWidth (null, true); //This code is intentionally commented // if (itemHeight is -1 && hooks (DWT.MeasureItem)) { // int i = 0; // TableItem item = items [i]; // if (item !is null) { // int hDC = OS.GetDC (handle); // int oldFont = 0, newFont = OS.SendMessage (handle, OS.WM_GETFONT, 0, 0); // if (newFont !is 0) oldFont = OS.SelectObject (hDC, newFont); // int index = 0, count = Math.max (1, columnCount); // while (index < count) { // int hFont = item.cellFont !is null ? item.cellFont [index] : -1; // if (hFont is -1) hFont = item.font; // if (hFont !is -1) hFont = OS.SelectObject (hDC, hFont); // sendMeasureItemEvent (item, i, index, hDC); // if (hFont !is -1) hFont = OS.SelectObject (hDC, hFont); // if (isDisposed () || item.isDisposed ()) break; // index++; // } // if (newFont !is 0) OS.SelectObject (hDC, oldFont); // OS.ReleaseDC (handle, hDC); // } // } int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); RECT rect = new RECT (); OS.GetWindowRect (hwndHeader, rect); int height = rect.bottom - rect.top; int bits = 0; if (wHint !is DWT.DEFAULT) { bits |= wHint & 0xFFFF; } else { int width = 0; int count = OS.SendMessage (hwndHeader, OS.HDM_GETITEMCOUNT, 0, 0); for (int i=0; i<count; i++) { width += OS.SendMessage (handle, OS.LVM_GETCOLUMNWIDTH, i, 0); } bits |= width & 0xFFFF; } int result = OS.SendMessage (handle, OS.LVM_APPROXIMATEVIEWRECT, -1, bits | 0xFFFF0000); int width = result & 0xFFFF; int empty = OS.SendMessage (handle, OS.LVM_APPROXIMATEVIEWRECT, 0, 0); int oneItem = OS.SendMessage (handle, OS.LVM_APPROXIMATEVIEWRECT, 1, 0); int itemHeight = (oneItem >> 16) - (empty >> 16); height += OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0) * itemHeight; if (width is 0) width = DEFAULT_WIDTH; if (height is 0) height = DEFAULT_HEIGHT; if (wHint !is DWT.DEFAULT) width = wHint; if (hHint !is DWT.DEFAULT) height = hHint; int border = getBorderWidth (); width += border * 2; height += border * 2; if ((style & DWT.V_SCROLL) !is 0) { width += OS.GetSystemMetrics (OS.SM_CXVSCROLL); } if ((style & DWT.H_SCROLL) !is 0) { height += OS.GetSystemMetrics (OS.SM_CYHSCROLL); } return new Point (width, height); } void createHandle () { super.createHandle (); state &= ~(CANVAS | THEME_BACKGROUND); /* Use the Explorer theme */ if (EXPLORER_THEME) { if (!OS.IsWinCE && OS.WIN32_VERSION >= OS.VERSION (6, 0)) { explorerTheme = true; OS.SetWindowTheme (handle, Display.EXPLORER, null); } } /* Get the header window proc */ if (HeaderProc is 0) { int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); HeaderProc = OS.GetWindowLong (hwndHeader, OS.GWL_WNDPROC); } /* * Feature in Windows. In version 5.8 of COMCTL32.DLL, * if the font is changed for an item, the bounds for the * item are not updated, causing the text to be clipped. * The fix is to detect the version of COMCTL32.DLL, and * if it is one of the versions with the problem, then * use version 5.00 of the control (a version that does * not have the problem). This is the recommended work * around from the MSDN. */ if (!OS.IsWinCE) { if (OS.COMCTL32_MAJOR < 6) { OS.SendMessage (handle, OS.CCM_SETVERSION, 5, 0); } } /* * This code is intentionally commented. According to * the documentation, setting the default item size is * supposed to improve performance. By experimentation, * this does not seem to have much of an effect. */ // OS.SendMessage (handle, OS.LVM_SETITEMCOUNT, 1024 * 2, 0); /* Set the checkbox image list */ if ((style & DWT.CHECK) !is 0) { int empty = OS.SendMessage (handle, OS.LVM_APPROXIMATEVIEWRECT, 0, 0); int oneItem = OS.SendMessage (handle, OS.LVM_APPROXIMATEVIEWRECT, 1, 0); int width = (oneItem >> 16) - (empty >> 16), height = width; setCheckboxImageList (width, height, false); OS.SendMessage (handle, OS. LVM_SETCALLBACKMASK, OS.LVIS_STATEIMAGEMASK, 0); } /* * Feature in Windows. When the control is created, * it does not use the default system font. A new HFONT * is created and destroyed when the control is destroyed. * This means that a program that queries the font from * this control, uses the font in another control and then * destroys this control will have the font unexpectedly * destroyed in the other control. The fix is to assign * the font ourselves each time the control is created. * The control will not destroy a font that it did not * create. */ int hFont = OS.GetStockObject (OS.SYSTEM_FONT); OS.SendMessage (handle, OS.WM_SETFONT, hFont, 0); /* * Bug in Windows. When the first column is inserted * without setting the header text, Windows will never * allow the header text for the first column to be set. * The fix is to set the text to an empty string when * the column is inserted. */ LVCOLUMN lvColumn = new LVCOLUMN (); lvColumn.mask = OS.LVCF_TEXT | OS.LVCF_WIDTH; int hHeap = OS.GetProcessHeap (); int pszText = OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, TCHAR.sizeof); lvColumn.pszText = pszText; OS.SendMessage (handle, OS.LVM_INSERTCOLUMN, 0, lvColumn); OS.HeapFree (hHeap, 0, pszText); /* Set the extended style bits */ int bits1 = OS.LVS_EX_LABELTIP; if ((style & DWT.FULL_SELECTION) !is 0) bits1 |= OS.LVS_EX_FULLROWSELECT; if (OS.COMCTL32_MAJOR >= 6) bits1 |= OS.LVS_EX_DOUBLEBUFFER; OS.SendMessage (handle, OS.LVM_SETEXTENDEDLISTVIEWSTYLE, bits1, bits1); /* * Feature in Windows. Windows does not explicitly set the orientation of * the header. Instead, the orientation is inherited when WS_EX_LAYOUTRTL * is specified for the table. This means that when both WS_EX_LAYOUTRTL * and WS_EX_NOINHERITLAYOUT are specified for the table, the header will * not be oriented correctly. The fix is to explicitly set the orientation * for the header. * * NOTE: WS_EX_LAYOUTRTL is not supported on Windows NT. */ if (OS.WIN32_VERSION < OS.VERSION (4, 10)) return; if ((style & DWT.RIGHT_TO_LEFT) !is 0) { int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); int bits2 = OS.GetWindowLong (hwndHeader, OS.GWL_EXSTYLE); OS.SetWindowLong (hwndHeader, OS.GWL_EXSTYLE, bits2 | OS.WS_EX_LAYOUTRTL); } } void createHeaderToolTips () { if (OS.IsWinCE) return; if (headerToolTipHandle !is 0) return; headerToolTipHandle = OS.CreateWindowEx ( 0, new TCHAR (0, OS.TOOLTIPS_CLASS, true), null, 0, OS.CW_USEDEFAULT, 0, OS.CW_USEDEFAULT, 0, handle, 0, OS.GetModuleHandle (null), null); if (headerToolTipHandle is 0) error (DWT.ERROR_NO_HANDLES); /* * Feature in Windows. Despite the fact that the * tool tip text contains \r\n, the tooltip will * not honour the new line unless TTM_SETMAXTIPWIDTH * is set. The fix is to set TTM_SETMAXTIPWIDTH to * a large value. */ OS.SendMessage (headerToolTipHandle, OS.TTM_SETMAXTIPWIDTH, 0, 0x7FFF); } void createItem (TableColumn column, int index) { if (!(0 <= index && index <= columnCount)) error (DWT.ERROR_INVALID_RANGE); int oldColumn = OS.SendMessage (handle, OS.LVM_GETSELECTEDCOLUMN, 0, 0); if (oldColumn >= index) { OS.SendMessage (handle, OS.LVM_SETSELECTEDCOLUMN, oldColumn + 1, 0); } if (columnCount is columns.length) { TableColumn [] newColumns = new TableColumn [columns.length + 4]; System.arraycopy (columns, 0, newColumns, 0, columns.length); columns = newColumns; } int itemCount = OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0); for (int i=0; i<itemCount; i++) { TableItem item = items [i]; if (item !is null) { String [] strings = item.strings; if (strings !is null) { String [] temp = new String [columnCount + 1]; System.arraycopy (strings, 0, temp, 0, index); System.arraycopy (strings, index, temp, index + 1, columnCount - index); item.strings = temp; } Image [] images = item.images; if (images !is null) { Image [] temp = new Image [columnCount + 1]; System.arraycopy (images, 0, temp, 0, index); System.arraycopy (images, index, temp, index + 1, columnCount - index); item.images = temp; } if (index is 0) { if (columnCount !is 0) { if (strings is null) { item.strings = new String [columnCount + 1]; item.strings [1] = item.text; } item.text = ""; //$NON-NLS-1$ if (images is null) { item.images = new Image [columnCount + 1]; item.images [1] = item.image; } item.image = null; } } if (item.cellBackground !is null) { int [] cellBackground = item.cellBackground; int [] temp = new int [columnCount + 1]; System.arraycopy (cellBackground, 0, temp, 0, index); System.arraycopy (cellBackground, index, temp, index + 1, columnCount - index); temp [index] = -1; item.cellBackground = temp; } if (item.cellForeground !is null) { int [] cellForeground = item.cellForeground; int [] temp = new int [columnCount + 1]; System.arraycopy (cellForeground, 0, temp, 0, index); System.arraycopy (cellForeground, index, temp, index + 1, columnCount - index); temp [index] = -1; item.cellForeground = temp; } if (item.cellFont !is null) { int [] cellFont = item.cellFont; int [] temp = new int [columnCount + 1]; System.arraycopy (cellFont, 0, temp, 0, index); System.arraycopy (cellFont, index, temp, index + 1, columnCount - index); temp [index] = -1; item.cellFont = temp; } } } /* * Insert the column into the columns array before inserting * it into the widget so that the column will be present when * any callbacks are issued as a result of LVM_INSERTCOLUMN * or LVM_SETCOLUMN. */ System.arraycopy (columns, index, columns, index + 1, columnCount++ - index); columns [index] = column; /* * Ensure that resize listeners for the table and for columns * within the table are not called. This can happen when the * first column is inserted into a table or when a new column * is inserted in the first position. */ ignoreColumnResize = true; if (index is 0) { if (columnCount > 1) { LVCOLUMN lvColumn = new LVCOLUMN (); lvColumn.mask = OS.LVCF_WIDTH; OS.SendMessage (handle, OS.LVM_INSERTCOLUMN, 1, lvColumn); OS.SendMessage (handle, OS.LVM_GETCOLUMN, 1, lvColumn); int width = lvColumn.cx; int cchTextMax = 1024; int hHeap = OS.GetProcessHeap (); int byteCount = cchTextMax * TCHAR.sizeof; int pszText = OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, byteCount); lvColumn.mask = OS.LVCF_TEXT | OS.LVCF_IMAGE | OS.LVCF_WIDTH | OS.LVCF_FMT; lvColumn.pszText = pszText; lvColumn.cchTextMax = cchTextMax; OS.SendMessage (handle, OS.LVM_GETCOLUMN, 0, lvColumn); OS.SendMessage (handle, OS.LVM_SETCOLUMN, 1, lvColumn); lvColumn.fmt = OS.LVCFMT_IMAGE; lvColumn.cx = width; lvColumn.iImage = OS.I_IMAGENONE; lvColumn.pszText = lvColumn.cchTextMax = 0; OS.SendMessage (handle, OS.LVM_SETCOLUMN, 0, lvColumn); lvColumn.mask = OS.LVCF_FMT; lvColumn.fmt = OS.LVCFMT_LEFT; OS.SendMessage (handle, OS.LVM_SETCOLUMN, 0, lvColumn); if (pszText !is 0) OS.HeapFree (hHeap, 0, pszText); } else { OS.SendMessage (handle, OS.LVM_SETCOLUMNWIDTH, 0, 0); } if ((parent.style & DWT.VIRTUAL) is 0) { LVITEM lvItem = new LVITEM (); lvItem.mask = OS.LVIF_TEXT | OS.LVIF_IMAGE; lvItem.pszText = OS.LPSTR_TEXTCALLBACK; lvItem.iImage = OS.I_IMAGECALLBACK; for (int i=0; i<itemCount; i++) { lvItem.iItem = i; OS.SendMessage (handle, OS.LVM_SETITEM, 0, lvItem); } } } else { int fmt = OS.LVCFMT_LEFT; if ((column.style & DWT.CENTER) is DWT.CENTER) fmt = OS.LVCFMT_CENTER; if ((column.style & DWT.RIGHT) is DWT.RIGHT) fmt = OS.LVCFMT_RIGHT; LVCOLUMN lvColumn = new LVCOLUMN (); lvColumn.mask = OS.LVCF_WIDTH | OS.LVCF_FMT; lvColumn.fmt = fmt; OS.SendMessage (handle, OS.LVM_INSERTCOLUMN, index, lvColumn); } ignoreColumnResize = false; /* Add the tool tip item for the header */ if (headerToolTipHandle !is 0) { RECT rect = new RECT (); int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); if (OS.SendMessage (hwndHeader, OS.HDM_GETITEMRECT, index, rect) !is 0) { TOOLINFO lpti = new TOOLINFO (); lpti.cbSize = TOOLINFO.sizeof; lpti.uFlags = OS.TTF_SUBCLASS; lpti.hwnd = hwndHeader; lpti.uId = column.id = display.nextToolTipId++; lpti.left = rect.left; lpti.top = rect.top; lpti.right = rect.right; lpti.bottom = rect.bottom; lpti.lpszText = OS.LPSTR_TEXTCALLBACK; OS.SendMessage (headerToolTipHandle, OS.TTM_ADDTOOL, 0, lpti); } } } void createItem (TableItem item, int index) { int count = OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0); if (!(0 <= index && index <= count)) error (DWT.ERROR_INVALID_RANGE); if (count is items.length) { /* * Grow the array faster when redraw is off or the * table is not visible. When the table is painted, * the items array is resized to be smaller to reduce * memory usage. */ bool small = drawCount is 0 && OS.IsWindowVisible (handle); int length = small ? items.length + 4 : Math.max (4, items.length * 3 / 2); TableItem [] newItems = new TableItem [length]; System.arraycopy (items, 0, newItems, 0, items.length); items = newItems; } LVITEM lvItem = new LVITEM (); lvItem.mask = OS.LVIF_TEXT | OS.LVIF_IMAGE; lvItem.iItem = index; lvItem.pszText = OS.LPSTR_TEXTCALLBACK; /* * Bug in Windows. Despite the fact that the image list * index has never been set for the item, Windows always * assumes that the image index for the item is valid. * When an item is inserted, the image index is zero. * Therefore, when the first image is inserted and is * assigned image index zero, every item draws with this * image. The fix is to set the image index when the * the item is created. */ lvItem.iImage = OS.I_IMAGECALLBACK; /* Insert the item */ setDeferResize (true); ignoreSelect = ignoreShrink = true; int result = OS.SendMessage (handle, OS.LVM_INSERTITEM, 0, lvItem); ignoreSelect = ignoreShrink = false; if (result is -1) error (DWT.ERROR_ITEM_NOT_ADDED); System.arraycopy (items, index, items, index + 1, count - index); items [index] = item; setDeferResize (false); /* Resize to show the first item */ if (count is 0) setScrollWidth (item, false); } void createWidget () { super.createWidget (); itemHeight = hotIndex = -1; items = new TableItem [4]; columns = new TableColumn [4]; } int defaultBackground () { return OS.GetSysColor (OS.COLOR_WINDOW); } void deregister () { super.deregister (); int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); if (hwndHeader !is 0) display.removeControl (hwndHeader); } /** * Deselects the items at the given zero-relative indices in the receiver. * If the item at the given zero-relative index in the receiver * is selected, it is deselected. If the item at the index * was not selected, it remains deselected. Indices that are out * of range and duplicate indices are ignored. * * @param indices the array of indices for the items to deselect * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the set of indices is null</li> * </ul> * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public void deselect (int [] indices) { checkWidget (); if (indices is null) error (DWT.ERROR_NULL_ARGUMENT); if (indices.length is 0) return; LVITEM lvItem = new LVITEM (); lvItem.stateMask = OS.LVIS_SELECTED; for (int i=0; i<indices.length; i++) { /* * An index of -1 will apply the change to all * items. Ensure that indices are greater than -1. */ if (indices [i] >= 0) { ignoreSelect = true; OS.SendMessage (handle, OS.LVM_SETITEMSTATE, indices [i], lvItem); ignoreSelect = false; } } } /** * Deselects the item at the given zero-relative index in the receiver. * If the item at the index was already deselected, it remains * deselected. Indices that are out of range are ignored. * * @param index the index of the item to deselect * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public void deselect (int index) { checkWidget (); /* * An index of -1 will apply the change to all * items. Ensure that index is greater than -1. */ if (index < 0) return; LVITEM lvItem = new LVITEM (); lvItem.stateMask = OS.LVIS_SELECTED; ignoreSelect = true; OS.SendMessage (handle, OS.LVM_SETITEMSTATE, index, lvItem); ignoreSelect = false; } /** * Deselects the items at the given zero-relative indices in the receiver. * If the item at the given zero-relative index in the receiver * is selected, it is deselected. If the item at the index * was not selected, it remains deselected. The range of the * indices is inclusive. Indices that are out of range are ignored. * * @param start the start index of the items to deselect * @param end the end index of the items to deselect * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public void deselect (int start, int end) { checkWidget (); int count = OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0); if (start is 0 && end is count - 1) { deselectAll (); } else { LVITEM lvItem = new LVITEM (); lvItem.stateMask = OS.LVIS_SELECTED; /* * An index of -1 will apply the change to all * items. Ensure that indices are greater than -1. */ start = Math.max (0, start); for (int i=start; i<=end; i++) { ignoreSelect = true; OS.SendMessage (handle, OS.LVM_SETITEMSTATE, i, lvItem); ignoreSelect = false; } } } /** * Deselects all selected items in the receiver. * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public void deselectAll () { checkWidget (); LVITEM lvItem = new LVITEM (); lvItem.mask = OS.LVIF_STATE; lvItem.stateMask = OS.LVIS_SELECTED; ignoreSelect = true; OS.SendMessage (handle, OS.LVM_SETITEMSTATE, -1, lvItem); ignoreSelect = false; } void destroyItem (TableColumn column) { int index = 0; while (index < columnCount) { if (columns [index] is column) break; index++; } int oldColumn = OS.SendMessage (handle, OS.LVM_GETSELECTEDCOLUMN, 0, 0); if (oldColumn is index) { OS.SendMessage (handle, OS.LVM_SETSELECTEDCOLUMN, -1, 0); } else { if (oldColumn > index) { OS.SendMessage (handle, OS.LVM_SETSELECTEDCOLUMN, oldColumn - 1, 0); } } int orderIndex = 0; int [] oldOrder = new int [columnCount]; OS.SendMessage (handle, OS.LVM_GETCOLUMNORDERARRAY, columnCount, oldOrder); while (orderIndex < columnCount) { if (oldOrder [orderIndex] is index) break; orderIndex++; } ignoreColumnResize = true; bool first = false; if (index is 0) { first = true; if (columnCount > 1) { index = 1; int cchTextMax = 1024; int hHeap = OS.GetProcessHeap (); int byteCount = cchTextMax * TCHAR.sizeof; int pszText = OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, byteCount); LVCOLUMN lvColumn = new LVCOLUMN (); lvColumn.mask = OS.LVCF_TEXT | OS.LVCF_IMAGE | OS.LVCF_WIDTH | OS.LVCF_FMT; lvColumn.pszText = pszText; lvColumn.cchTextMax = cchTextMax; OS.SendMessage (handle, OS.LVM_GETCOLUMN, 1, lvColumn); lvColumn.fmt &= ~(OS.LVCFMT_CENTER | OS.LVCFMT_RIGHT); lvColumn.fmt |= OS.LVCFMT_LEFT; OS.SendMessage (handle, OS.LVM_SETCOLUMN, 0, lvColumn); if (pszText !is 0) OS.HeapFree (hHeap, 0, pszText); } else { int hHeap = OS.GetProcessHeap (); int pszText = OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, TCHAR.sizeof); LVCOLUMN lvColumn = new LVCOLUMN (); lvColumn.mask = OS.LVCF_TEXT | OS.LVCF_IMAGE | OS.LVCF_WIDTH | OS.LVCF_FMT; lvColumn.pszText = pszText; lvColumn.iImage = OS.I_IMAGENONE; lvColumn.fmt = OS.LVCFMT_LEFT; OS.SendMessage (handle, OS.LVM_SETCOLUMN, 0, lvColumn); if (pszText !is 0) OS.HeapFree (hHeap, 0, pszText); if (OS.COMCTL32_MAJOR >= 6) { HDITEM hdItem = new HDITEM (); hdItem.mask = OS.HDI_FORMAT; hdItem.fmt = OS.HDF_LEFT; int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); OS.SendMessage (hwndHeader, OS.HDM_SETITEM, index, hdItem); } } if ((parent.style & DWT.VIRTUAL) is 0) { LVITEM lvItem = new LVITEM (); lvItem.mask = OS.LVIF_TEXT | OS.LVIF_IMAGE; lvItem.pszText = OS.LPSTR_TEXTCALLBACK; lvItem.iImage = OS.I_IMAGECALLBACK; int itemCount = OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0); for (int i=0; i<itemCount; i++) { lvItem.iItem = i; OS.SendMessage (handle, OS.LVM_SETITEM, 0, lvItem); } } } if (columnCount > 1) { if (OS.SendMessage (handle, OS.LVM_DELETECOLUMN, index, 0) is 0) { error (DWT.ERROR_ITEM_NOT_REMOVED); } } if (first) index = 0; System.arraycopy (columns, index + 1, columns, index, --columnCount - index); columns [columnCount] = null; int itemCount = OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0); for (int i=0; i<itemCount; i++) { TableItem item = items [i]; if (item !is null) { if (columnCount is 0) { item.strings = null; item.images = null; item.cellBackground = null; item.cellForeground = null; item.cellFont = null; } else { if (item.strings !is null) { String [] strings = item.strings; if (index is 0) { item.text = strings [1] !is null ? strings [1] : ""; //$NON-NLS-1$ } String [] temp = new String [columnCount]; System.arraycopy (strings, 0, temp, 0, index); System.arraycopy (strings, index + 1, temp, index, columnCount - index); item.strings = temp; } else { if (index is 0) item.text = ""; //$NON-NLS-1$ } if (item.images !is null) { Image [] images = item.images; if (index is 0) item.image = images [1]; Image [] temp = new Image [columnCount]; System.arraycopy (images, 0, temp, 0, index); System.arraycopy (images, index + 1, temp, index, columnCount - index); item.images = temp; } else { if (index is 0) item.image = null; } if (item.cellBackground !is null) { int [] cellBackground = item.cellBackground; int [] temp = new int [columnCount]; System.arraycopy (cellBackground, 0, temp, 0, index); System.arraycopy (cellBackground, index + 1, temp, index, columnCount - index); item.cellBackground = temp; } if (item.cellForeground !is null) { int [] cellForeground = item.cellForeground; int [] temp = new int [columnCount]; System.arraycopy (cellForeground, 0, temp, 0, index); System.arraycopy (cellForeground, index + 1, temp, index, columnCount - index); item.cellForeground = temp; } if (item.cellFont !is null) { int [] cellFont = item.cellFont; int [] temp = new int [columnCount]; System.arraycopy (cellFont, 0, temp, 0, index); System.arraycopy (cellFont, index + 1, temp, index, columnCount - index); item.cellFont = temp; } } } } if (columnCount is 0) setScrollWidth (null, true); updateMoveable (); ignoreColumnResize = false; if (columnCount !is 0) { /* * Bug in Windows. When LVM_DELETECOLUMN is used to delete a * column zero when that column is both the first column in the * table and the first column in the column order array, Windows * incorrectly computes the new column order. For example, both * the orders {0, 3, 1, 2} and {0, 3, 2, 1} give a new column * order of {0, 2, 1}, while {0, 2, 1, 3} gives {0, 1, 2, 3}. * The fix is to compute the new order and compare it with the * order that Windows is using. If the two differ, the new order * is used. */ int count = 0; int oldIndex = oldOrder [orderIndex]; int [] newOrder = new int [columnCount]; for (int i=0; i<oldOrder.length; i++) { if (oldOrder [i] !is oldIndex) { int newIndex = oldOrder [i] <= oldIndex ? oldOrder [i] : oldOrder [i] - 1; newOrder [count++] = newIndex; } } OS.SendMessage (handle, OS.LVM_GETCOLUMNORDERARRAY, columnCount, oldOrder); int j = 0; while (j < newOrder.length) { if (oldOrder [j] !is newOrder [j]) break; j++; } if (j !is newOrder.length) { OS.SendMessage (handle, OS.LVM_SETCOLUMNORDERARRAY, newOrder.length, newOrder); /* * Bug in Windows. When LVM_SETCOLUMNORDERARRAY is used to change * the column order, the header redraws correctly but the table does * not. The fix is to force a redraw. */ OS.InvalidateRect (handle, null, true); } TableColumn [] newColumns = new TableColumn [columnCount - orderIndex]; for (int i=orderIndex; i<newOrder.length; i++) { newColumns [i - orderIndex] = columns [newOrder [i]]; newColumns [i - orderIndex].updateToolTip (newOrder [i]); } for (int i=0; i<newColumns.length; i++) { if (!newColumns [i].isDisposed ()) { newColumns [i].sendEvent (DWT.Move); } } } /* Remove the tool tip item for the header */ if (headerToolTipHandle !is 0) { TOOLINFO lpti = new TOOLINFO (); lpti.cbSize = TOOLINFO.sizeof; lpti.uId = column.id; lpti.hwnd = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); OS.SendMessage (headerToolTipHandle, OS.TTM_DELTOOL, 0, lpti); } } void destroyItem (TableItem item) { int count = OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0); int index = 0; while (index < count) { if (items [index] is item) break; index++; } if (index is count) return; setDeferResize (true); ignoreSelect = ignoreShrink = true; int code = OS.SendMessage (handle, OS.LVM_DELETEITEM, index, 0); ignoreSelect = ignoreShrink = false; if (code is 0) error (DWT.ERROR_ITEM_NOT_REMOVED); System.arraycopy (items, index + 1, items, index, --count - index); items [count] = null; if (count is 0) setTableEmpty (); setDeferResize (false); } void fixCheckboxImageList (bool fixScroll) { /* * Bug in Windows. When the state image list is larger than the * image list, Windows incorrectly positions the state images. When * the table is scrolled, Windows draws garbage. The fix is to force * the state image list to be the same size as the image list. */ if ((style & DWT.CHECK) is 0) return; int hImageList = OS.SendMessage (handle, OS.LVM_GETIMAGELIST, OS.LVSIL_SMALL, 0); if (hImageList is 0) return; int [] cx = new int [1], cy = new int [1]; OS.ImageList_GetIconSize (hImageList, cx, cy); int hStateList = OS.SendMessage (handle, OS.LVM_GETIMAGELIST, OS.LVSIL_STATE, 0); if (hStateList is 0) return; int [] stateCx = new int [1], stateCy = new int [1]; OS.ImageList_GetIconSize (hStateList, stateCx, stateCy); if (cx [0] is stateCx [0] && cy [0] is stateCy [0]) return; setCheckboxImageList (cx [0], cy [0], fixScroll); } void fixCheckboxImageListColor (bool fixScroll) { if ((style & DWT.CHECK) is 0) return; int hStateList = OS.SendMessage (handle, OS.LVM_GETIMAGELIST, OS.LVSIL_STATE, 0); if (hStateList is 0) return; int [] cx = new int [1], cy = new int [1]; OS.ImageList_GetIconSize (hStateList, cx, cy); setCheckboxImageList (cx [0], cy [0], fixScroll); } void fixItemHeight (bool fixScroll) { /* * Bug in Windows. When both a header and grid lines are * displayed, the grid lines do not take into account the * height of the header and draw in the wrong place. The * fix is to set the height of the table items to be the * height of the header so that the lines draw in the right * place. The height of a table item is the maximum of the * height of the font or the height of image list. * * NOTE: In version 5.80 of COMCTL32.DLL, the bug is fixed. */ if (itemHeight !is -1) return; if (OS.COMCTL32_VERSION >= OS.VERSION (5, 80)) return; int bits = OS.SendMessage (handle, OS.LVM_GETEXTENDEDLISTVIEWSTYLE, 0, 0); if ((bits & OS.LVS_EX_GRIDLINES) is 0) return; bits = OS.GetWindowLong (handle, OS.GWL_STYLE); if ((bits & OS.LVS_NOCOLUMNHEADER) !is 0) return; /* * Bug in Windows. Making any change to an item that * changes the item height of a table while the table * is scrolled can cause the lines to draw incorrectly. * This happens even when the lines are not currently * visible and are shown afterwards. The fix is to * save the top index, scroll to the top of the table * and then restore the original top index. */ int topIndex = getTopIndex (); if (fixScroll && topIndex !is 0) { setRedraw (false); setTopIndex (0); } int hOldList = OS.SendMessage (handle, OS.LVM_GETIMAGELIST, OS.LVSIL_SMALL, 0); if (hOldList !is 0) return; int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); RECT rect = new RECT (); OS.GetWindowRect (hwndHeader, rect); int height = rect.bottom - rect.top - 1; int hImageList = OS.ImageList_Create (1, height, 0, 0, 0); OS.SendMessage (handle, OS.LVM_SETIMAGELIST, OS.LVSIL_SMALL, hImageList); fixCheckboxImageList (false); OS.SendMessage (handle, OS.LVM_SETIMAGELIST, OS.LVSIL_SMALL, 0); if (headerImageList !is null) { int hHeaderImageList = headerImageList.getHandle (); OS.SendMessage (hwndHeader, OS.HDM_SETIMAGELIST, 0, hHeaderImageList); } OS.ImageList_Destroy (hImageList); if (fixScroll && topIndex !is 0) { setTopIndex (topIndex); setRedraw (true); } } /** * Returns the column at the given, zero-relative index in the * receiver. Throws an exception if the index is out of range. * Columns are returned in the order that they were created. * If no <code>TableColumn</code>s were created by the programmer, * this method will throw <code>ERROR_INVALID_RANGE</code> despite * the fact that a single column of data may be visible in the table. * This occurs when the programmer uses the table like a list, adding * items but never creating a column. * * @param index the index of the column to return * @return the column at the given index * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> * </ul> * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see Table#getColumnOrder() * @see Table#setColumnOrder(int[]) * @see TableColumn#getMoveable() * @see TableColumn#setMoveable(bool) * @see DWT#Move */ public TableColumn getColumn (int index) { checkWidget (); if (!(0 <= index && index < columnCount)) error (DWT.ERROR_INVALID_RANGE); return columns [index]; } /** * Returns the number of columns contained in the receiver. * If no <code>TableColumn</code>s were created by the programmer, * this value is zero, despite the fact that visually, one column * of items may be visible. This occurs when the programmer uses * the table like a list, adding items but never creating a column. * * @return the number of columns * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public int getColumnCount () { checkWidget (); return columnCount; } /** * Returns an array of zero-relative integers that map * the creation order of the receiver's items to the * order in which they are currently being displayed. * <p> * Specifically, the indices of the returned array represent * the current visual order of the items, and the contents * of the array represent the creation order of the items. * </p><p> * Note: This is not the actual structure used by the receiver * to maintain its list of items, so modifying the array will * not affect the receiver. * </p> * * @return the current visual order of the receiver's items * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see Table#setColumnOrder(int[]) * @see TableColumn#getMoveable() * @see TableColumn#setMoveable(bool) * @see DWT#Move * * @since 3.1 */ public int[] getColumnOrder () { checkWidget (); if (columnCount is 0) return new int [0]; int [] order = new int [columnCount]; OS.SendMessage (handle, OS.LVM_GETCOLUMNORDERARRAY, columnCount, order); return order; } /** * Returns an array of <code>TableColumn</code>s which are the * columns in the receiver. Columns are returned in the order * that they were created. If no <code>TableColumn</code>s were * created by the programmer, the array is empty, despite the fact * that visually, one column of items may be visible. This occurs * when the programmer uses the table like a list, adding items but * never creating a column. * <p> * Note: This is not the actual structure used by the receiver * to maintain its list of items, so modifying the array will * not affect the receiver. * </p> * * @return the items in the receiver * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see Table#getColumnOrder() * @see Table#setColumnOrder(int[]) * @see TableColumn#getMoveable() * @see TableColumn#setMoveable(bool) * @see DWT#Move */ public TableColumn [] getColumns () { checkWidget (); TableColumn [] result = new TableColumn [columnCount]; System.arraycopy (columns, 0, result, 0, columnCount); return result; } int getFocusIndex () { // checkWidget (); return OS.SendMessage (handle, OS.LVM_GETNEXTITEM, -1, OS.LVNI_FOCUSED); } /** * Returns the width in pixels of a grid line. * * @return the width of a grid line in pixels * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public int getGridLineWidth () { checkWidget (); return GRID_WIDTH; } /** * Returns the height of the receiver's header * * @return the height of the header or zero if the header is not visible * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @since 2.0 */ public int getHeaderHeight () { checkWidget (); int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); if (hwndHeader is 0) return 0; RECT rect = new RECT (); OS.GetWindowRect (hwndHeader, rect); return rect.bottom - rect.top; } /** * Returns <code>true</code> if the receiver's header is visible, * and <code>false</code> otherwise. * <p> * If one of the receiver's ancestors is not visible or some * other condition makes the receiver not visible, this method * may still indicate that it is considered visible even though * it may not actually be showing. * </p> * * @return the receiver's header's visibility state * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public bool getHeaderVisible () { checkWidget (); int bits = OS.GetWindowLong (handle, OS.GWL_STYLE); return (bits & OS.LVS_NOCOLUMNHEADER) is 0; } /** * Returns the item at the given, zero-relative index in the * receiver. Throws an exception if the index is out of range. * * @param index the index of the item to return * @return the item at the given index * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> * </ul> * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public TableItem getItem (int index) { checkWidget (); int count = OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0); if (!(0 <= index && index < count)) error (DWT.ERROR_INVALID_RANGE); return _getItem (index); } /** * Returns the item at the given point in the receiver * or null if no such item exists. The point is in the * coordinate system of the receiver. * <p> * The item that is returned represents an item that could be selected by the user. * For example, if selection only occurs in items in the first column, then null is * returned if the point is outside of the item. * Note that the DWT.FULL_SELECTION style hint, which specifies the selection policy, * determines the extent of the selection. * </p> * * @param point the point used to locate the item * @return the item at the given point, or null if the point is not in a selectable item * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the point is null</li> * </ul> * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public TableItem getItem (Point point) { checkWidget (); if (point is null) error (DWT.ERROR_NULL_ARGUMENT); LVHITTESTINFO pinfo = new LVHITTESTINFO (); pinfo.x = point.x; pinfo.y = point.y; OS.SendMessage (handle, OS.LVM_HITTEST, 0, pinfo); if (pinfo.iItem !is -1) { /* * Bug in Windows. When the point that is used by * LVM_HITTEST is inside the header, Windows returns * the first item in the table. The fix is to check * when LVM_HITTEST returns the first item and make * sure that when the point is within the header, * the first item is not returned. */ if (pinfo.iItem is 0) { int bits = OS.GetWindowLong (handle, OS.GWL_STYLE); if ((bits & OS.LVS_NOCOLUMNHEADER) is 0) { int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); if (hwndHeader !is 0) { RECT rect = new RECT (); OS.GetWindowRect (hwndHeader, rect); POINT pt = new POINT (); pt.x = pinfo.x; pt.y = pinfo.y; OS.MapWindowPoints (handle, 0, pt, 1); if (OS.PtInRect (rect, pt)) return null; } } } return _getItem (pinfo.iItem); } return null; } /** * Returns the number of items contained in the receiver. * * @return the number of items * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public int getItemCount () { checkWidget (); return OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0); } /** * Returns the height of the area which would be used to * display <em>one</em> of the items in the receiver's. * * @return the height of one item * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public int getItemHeight () { checkWidget (); int empty = OS.SendMessage (handle, OS.LVM_APPROXIMATEVIEWRECT, 0, 0); int oneItem = OS.SendMessage (handle, OS.LVM_APPROXIMATEVIEWRECT, 1, 0); return (oneItem >> 16) - (empty >> 16); } /** * Returns a (possibly empty) array of <code>TableItem</code>s which * are the items in the receiver. * <p> * Note: This is not the actual structure used by the receiver * to maintain its list of items, so modifying the array will * not affect the receiver. * </p> * * @return the items in the receiver * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public TableItem [] getItems () { checkWidget (); int count = OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0); TableItem [] result = new TableItem [count]; if ((style & DWT.VIRTUAL) !is 0) { for (int i=0; i<count; i++) { result [i] = _getItem (i); } } else { System.arraycopy (items, 0, result, 0, count); } return result; } /** * Returns <code>true</code> if the receiver's lines are visible, * and <code>false</code> otherwise. * <p> * If one of the receiver's ancestors is not visible or some * other condition makes the receiver not visible, this method * may still indicate that it is considered visible even though * it may not actually be showing. * </p> * * @return the visibility state of the lines * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public bool getLinesVisible () { checkWidget (); int bits = OS.SendMessage (handle, OS.LVM_GETEXTENDEDLISTVIEWSTYLE, 0, 0); return (bits & OS.LVS_EX_GRIDLINES) !is 0; } /** * Returns an array of <code>TableItem</code>s that are currently * selected in the receiver. The order of the items is unspecified. * An empty array indicates that no items are selected. * <p> * Note: This is not the actual structure used by the receiver * to maintain its selection, so modifying the array will * not affect the receiver. * </p> * @return an array representing the selection * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public TableItem [] getSelection () { checkWidget (); int i = -1, j = 0, count = OS.SendMessage (handle, OS.LVM_GETSELECTEDCOUNT, 0, 0); TableItem [] result = new TableItem [count]; while ((i = OS.SendMessage (handle, OS.LVM_GETNEXTITEM, i, OS.LVNI_SELECTED)) !is -1) { result [j++] = _getItem (i); } return result; } /** * Returns the number of selected items contained in the receiver. * * @return the number of selected items * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public int getSelectionCount () { checkWidget (); return OS.SendMessage (handle, OS.LVM_GETSELECTEDCOUNT, 0, 0); } /** * Returns the zero-relative index of the item which is currently * selected in the receiver, or -1 if no item is selected. * * @return the index of the selected item * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public int getSelectionIndex () { checkWidget (); int focusIndex = OS.SendMessage (handle, OS.LVM_GETNEXTITEM, -1, OS.LVNI_FOCUSED); int selectedIndex = OS.SendMessage (handle, OS.LVM_GETNEXTITEM, -1, OS.LVNI_SELECTED); if (focusIndex is selectedIndex) return selectedIndex; int i = -1; while ((i = OS.SendMessage (handle, OS.LVM_GETNEXTITEM, i, OS.LVNI_SELECTED)) !is -1) { if (i is focusIndex) return i; } return selectedIndex; } /** * Returns the zero-relative indices of the items which are currently * selected in the receiver. The order of the indices is unspecified. * The array is empty if no items are selected. * <p> * Note: This is not the actual structure used by the receiver * to maintain its selection, so modifying the array will * not affect the receiver. * </p> * @return the array of indices of the selected items * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public int [] getSelectionIndices () { checkWidget (); int i = -1, j = 0, count = OS.SendMessage (handle, OS.LVM_GETSELECTEDCOUNT, 0, 0); int [] result = new int [count]; while ((i = OS.SendMessage (handle, OS.LVM_GETNEXTITEM, i, OS.LVNI_SELECTED)) !is -1) { result [j++] = i; } return result; } /** * Returns the column which shows the sort indicator for * the receiver. The value may be null if no column shows * the sort indicator. * * @return the sort indicator * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see #setSortColumn(TableColumn) * * @since 3.2 */ public TableColumn getSortColumn () { checkWidget (); return sortColumn; } int getSortColumnPixel () { int pixel = OS.IsWindowEnabled (handle) ? getBackgroundPixel () : OS.GetSysColor (OS.COLOR_3DFACE); int red = pixel & 0xFF; int green = (pixel & 0xFF00) >> 8; int blue = (pixel & 0xFF0000) >> 16; if (red > 240 && green > 240 && blue > 240) { red -= 8; green -= 8; blue -= 8; } else { red = Math.min (0xFF, (red / 10) + red); green = Math.min (0xFF, (green / 10) + green); blue = Math.min (0xFF, (blue / 10) + blue); } return (red & 0xFF) | ((green & 0xFF) << 8) | ((blue & 0xFF) << 16); } /** * Returns the direction of the sort indicator for the receiver. * The value will be one of <code>UP</code>, <code>DOWN</code> * or <code>NONE</code>. * * @return the sort direction * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see #setSortDirection(int) * * @since 3.2 */ public int getSortDirection () { checkWidget (); return sortDirection; } /** * Returns the zero-relative index of the item which is currently * at the top of the receiver. This index can change when items are * scrolled or new items are added or removed. * * @return the index of the top item * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public int getTopIndex () { checkWidget (); /* * Bug in Windows. Under rare circumstances, LVM_GETTOPINDEX * can return a negative number. When this happens, the table * is displaying blank lines at the top of the controls. The * fix is to check for a negative number and return zero instead. */ return Math.max (0, OS.SendMessage (handle, OS.LVM_GETTOPINDEX, 0, 0)); } bool hasChildren () { int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); int hwndChild = OS.GetWindow (handle, OS.GW_CHILD); while (hwndChild !is 0) { if (hwndChild !is hwndHeader) return true; hwndChild = OS.GetWindow (hwndChild, OS.GW_HWNDNEXT); } return false; } int imageIndex (Image image, int column) { if (image is null) return OS.I_IMAGENONE; if (column is 0) { firstColumnImage = true; } else { setSubImagesVisible (true); } if (imageList is null) { Rectangle bounds = image.getBounds (); imageList = display.getImageList (style & DWT.RIGHT_TO_LEFT, bounds.width, bounds.height); int index = imageList.indexOf (image); if (index is -1) index = imageList.add (image); int hImageList = imageList.getHandle (); /* * Bug in Windows. Making any change to an item that * changes the item height of a table while the table * is scrolled can cause the lines to draw incorrectly. * This happens even when the lines are not currently * visible and are shown afterwards. The fix is to * save the top index, scroll to the top of the table * and then restore the original top index. */ int topIndex = getTopIndex (); if (topIndex !is 0) { setRedraw (false); setTopIndex (0); } OS.SendMessage (handle, OS.LVM_SETIMAGELIST, OS.LVSIL_SMALL, hImageList); if (headerImageList !is null) { int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); int hHeaderImageList = headerImageList.getHandle (); OS.SendMessage (hwndHeader, OS.HDM_SETIMAGELIST, 0, hHeaderImageList); } fixCheckboxImageList (false); if (itemHeight !is -1) setItemHeight (false); if (topIndex !is 0) { setTopIndex (topIndex); setRedraw (true); } return index; } int index = imageList.indexOf (image); if (index !is -1) return index; return imageList.add (image); } int imageIndexHeader (Image image) { if (image is null) return OS.I_IMAGENONE; if (headerImageList is null) { Rectangle bounds = image.getBounds (); headerImageList = display.getImageList (style & DWT.RIGHT_TO_LEFT, bounds.width, bounds.height); int index = headerImageList.indexOf (image); if (index is -1) index = headerImageList.add (image); int hImageList = headerImageList.getHandle (); int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); OS.SendMessage (hwndHeader, OS.HDM_SETIMAGELIST, 0, hImageList); return index; } int index = headerImageList.indexOf (image); if (index !is -1) return index; return headerImageList.add (image); } /** * Searches the receiver's list starting at the first column * (index 0) until a column is found that is equal to the * argument, and returns the index of that column. If no column * is found, returns -1. * * @param column the search column * @return the index of the column * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the column is null</li> * </ul> * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public int indexOf (TableColumn column) { checkWidget (); if (column is null) error (DWT.ERROR_NULL_ARGUMENT); for (int i=0; i<columnCount; i++) { if (columns [i] is column) return i; } return -1; } /** * Searches the receiver's list starting at the first item * (index 0) until an item is found that is equal to the * argument, and returns the index of that item. If no item * is found, returns -1. * * @param item the search item * @return the index of the item * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the item is null</li> * </ul> * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public int indexOf (TableItem item) { checkWidget (); if (item is null) error (DWT.ERROR_NULL_ARGUMENT); int count = OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0); if (1 <= lastIndexOf && lastIndexOf < count - 1) { if (items [lastIndexOf] is item) return lastIndexOf; if (items [lastIndexOf + 1] is item) return ++lastIndexOf; if (items [lastIndexOf - 1] is item) return --lastIndexOf; } if (lastIndexOf < count / 2) { for (int i=0; i<count; i++) { if (items [i] is item) return lastIndexOf = i; } } else { for (int i=count - 1; i>=0; --i) { if (items [i] is item) return lastIndexOf = i; } } return -1; } /** * Returns <code>true</code> if the item is selected, * and <code>false</code> otherwise. Indices out of * range are ignored. * * @param index the index of the item * @return the selection state of the item at the index * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public bool isSelected (int index) { checkWidget (); LVITEM lvItem = new LVITEM (); lvItem.mask = OS.LVIF_STATE; lvItem.stateMask = OS.LVIS_SELECTED; lvItem.iItem = index; int result = OS.SendMessage (handle, OS.LVM_GETITEM, 0, lvItem); return (result !is 0) && ((lvItem.state & OS.LVIS_SELECTED) !is 0); } void register () { super.register (); int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); if (hwndHeader !is 0) display.addControl (hwndHeader, this); } void releaseChildren (bool destroy) { if (items !is null) { int itemCount = OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0); /* * Feature in Windows 98. When there are a large number * of columns and items in a table (>1000) where each * of the subitems in the table has a string, it is much * faster to delete each item with LVM_DELETEITEM rather * than using LVM_DELETEALLITEMS. The fix is to detect * this case and delete the items, one by one. The fact * that the fix is only necessary on Windows 98 was * confirmed using version 5.81 of COMCTL32.DLL on both * Windows 98 and NT. * * NOTE: LVM_DELETEALLITEMS is also sent by the table * when the table is destroyed. */ if (OS.IsWin95 && columnCount > 1) { /* Turn off redraw and resize events and leave them off */ resizeCount = 1; OS.SendMessage (handle, OS.WM_SETREDRAW, 0, 0); for (int i=itemCount-1; i>=0; --i) { TableItem item = items [i]; if (item !is null && !item.isDisposed ()) item.release (false); ignoreSelect = ignoreShrink = true; OS.SendMessage (handle, OS.LVM_DELETEITEM, i, 0); ignoreSelect = ignoreShrink = false; } } else { for (int i=0; i<itemCount; i++) { TableItem item = items [i]; if (item !is null && !item.isDisposed ()) item.release (false); } } items = null; } if (columns !is null) { for (int i=0; i<columnCount; i++) { TableColumn column = columns [i]; if (!column.isDisposed ()) column.release (false); } columns = null; } super.releaseChildren (destroy); } void releaseWidget () { super.releaseWidget (); customDraw = false; currentItem = null; if (imageList !is null) { OS.SendMessage (handle, OS.LVM_SETIMAGELIST, OS.LVSIL_SMALL, 0); display.releaseImageList (imageList); } if (headerImageList !is null) { int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); OS.SendMessage (hwndHeader, OS.HDM_SETIMAGELIST, 0, 0); display.releaseImageList (headerImageList); } imageList = headerImageList = null; int hStateList = OS.SendMessage (handle, OS.LVM_GETIMAGELIST, OS.LVSIL_STATE, 0); OS.SendMessage (handle, OS.LVM_SETIMAGELIST, OS.LVSIL_STATE, 0); if (hStateList !is 0) OS.ImageList_Destroy (hStateList); if (headerToolTipHandle !is 0) OS.DestroyWindow (headerToolTipHandle); headerToolTipHandle = 0; } /** * Removes the items from the receiver's list at the given * zero-relative indices. * * @param indices the array of indices of the items * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> * <li>ERROR_NULL_ARGUMENT - if the indices array is null</li> * </ul> * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public void remove (int [] indices) { checkWidget (); if (indices is null) error (DWT.ERROR_NULL_ARGUMENT); if (indices.length is 0) return; int [] newIndices = new int [indices.length]; System.arraycopy (indices, 0, newIndices, 0, indices.length); sort (newIndices); int start = newIndices [newIndices.length - 1], end = newIndices [0]; int count = OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0); if (!(0 <= start && start <= end && end < count)) { error (DWT.ERROR_INVALID_RANGE); } setDeferResize (true); int last = -1; for (int i=0; i<newIndices.length; i++) { int index = newIndices [i]; if (index !is last) { TableItem item = items [index]; if (item !is null && !item.isDisposed ()) item.release (false); ignoreSelect = ignoreShrink = true; int code = OS.SendMessage (handle, OS.LVM_DELETEITEM, index, 0); ignoreSelect = ignoreShrink = false; if (code is 0) error (DWT.ERROR_ITEM_NOT_REMOVED); System.arraycopy (items, index + 1, items, index, --count - index); items [count] = null; last = index; } } if (count is 0) setTableEmpty (); setDeferResize (false); } /** * Removes the item from the receiver at the given * zero-relative index. * * @param index the index for the item * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> * </ul> * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public void remove (int index) { checkWidget (); int count = OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0); if (!(0 <= index && index < count)) error (DWT.ERROR_INVALID_RANGE); TableItem item = items [index]; if (item !is null && !item.isDisposed ()) item.release (false); setDeferResize (true); ignoreSelect = ignoreShrink = true; int code = OS.SendMessage (handle, OS.LVM_DELETEITEM, index, 0); ignoreSelect = ignoreShrink = false; if (code is 0) error (DWT.ERROR_ITEM_NOT_REMOVED); System.arraycopy (items, index + 1, items, index, --count - index); items [count] = null; if (count is 0) setTableEmpty (); setDeferResize (false); } /** * Removes the items from the receiver which are * between the given zero-relative start and end * indices (inclusive). * * @param start the start of the range * @param end the end of the range * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_RANGE - if either the start or end are not between 0 and the number of elements in the list minus 1 (inclusive)</li> * </ul> * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public void remove (int start, int end) { checkWidget (); if (start > end) return; int count = OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0); if (!(0 <= start && start <= end && end < count)) { error (DWT.ERROR_INVALID_RANGE); } if (start is 0 && end is count - 1) { removeAll (); } else { setDeferResize (true); int index = start; while (index <= end) { TableItem item = items [index]; if (item !is null && !item.isDisposed ()) item.release (false); ignoreSelect = ignoreShrink = true; int code = OS.SendMessage (handle, OS.LVM_DELETEITEM, start, 0); ignoreSelect = ignoreShrink = false; if (code is 0) break; index++; } System.arraycopy (items, index, items, start, count - index); for (int i=count-(index-start); i<count; i++) items [i] = null; if (index <= end) error (DWT.ERROR_ITEM_NOT_REMOVED); /* * This code is intentionally commented. It is not necessary * to check for an empty table because removeAll() was called * when the start is 0 and end is count - 1. */ //if (count - index is 0) setTableEmpty (); setDeferResize (false); } } /** * Removes all of the items from the receiver. * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public void removeAll () { checkWidget (); int itemCount = OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0); for (int i=0; i<itemCount; i++) { TableItem item = items [i]; if (item !is null && !item.isDisposed ()) item.release (false); } /* * Feature in Windows 98. When there are a large number * of columns and items in a table (>1000) where each * of the subitems in the table has a string, it is much * faster to delete each item with LVM_DELETEITEM rather * than using LVM_DELETEALLITEMS. The fix is to detect * this case and delete the items, one by one. The fact * that the fix is only necessary on Windows 98 was * confirmed using version 5.81 of COMCTL32.DLL on both * Windows 98 and NT. * * NOTE: LVM_DELETEALLITEMS is also sent by the table * when the table is destroyed. */ setDeferResize (true); if (OS.IsWin95 && columnCount > 1) { bool redraw = drawCount is 0 && OS.IsWindowVisible (handle); if (redraw) OS.SendMessage (handle, OS.WM_SETREDRAW, 0, 0); int index = itemCount - 1; while (index >= 0) { ignoreSelect = ignoreShrink = true; int code = OS.SendMessage (handle, OS.LVM_DELETEITEM, index, 0); ignoreSelect = ignoreShrink = false; if (code is 0) break; --index; } if (redraw) { OS.SendMessage (handle, OS.WM_SETREDRAW, 1, 0); /* * This code is intentionally commented. The window proc * for the table implements WM_SETREDRAW to invalidate * and erase the table so it is not necessary to do this * again. */ // int flags = OS.RDW_ERASE | OS.RDW_FRAME | OS.RDW_INVALIDATE; // OS.RedrawWindow (handle, null, 0, flags); } if (index !is -1) error (DWT.ERROR_ITEM_NOT_REMOVED); } else { ignoreSelect = ignoreShrink = true; int code = OS.SendMessage (handle, OS.LVM_DELETEALLITEMS, 0, 0); ignoreSelect = ignoreShrink = false; if (code is 0) error (DWT.ERROR_ITEM_NOT_REMOVED); } setTableEmpty (); setDeferResize (false); } /** * Removes the listener from the collection of listeners who will * be notified when the user changes the receiver's selection. * * @param listener the listener which should no longer be notified * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see SelectionListener * @see #addSelectionListener(SelectionListener) */ public void removeSelectionListener(SelectionListener listener) { checkWidget (); if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); if (eventTable is null) return; eventTable.unhook (DWT.Selection, listener); eventTable.unhook (DWT.DefaultSelection,listener); } /** * Selects the items at the given zero-relative indices in the receiver. * The current selection is not cleared before the new items are selected. * <p> * If the item at a given index is not selected, it is selected. * If the item at a given index was already selected, it remains selected. * Indices that are out of range and duplicate indices are ignored. * If the receiver is single-select and multiple indices are specified, * then all indices are ignored. * </p> * * @param indices the array of indices for the items to select * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the array of indices is null</li> * </ul> * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see Table#setSelection(int[]) */ public void select (int [] indices) { checkWidget (); if (indices is null) error (DWT.ERROR_NULL_ARGUMENT); int length = indices.length; if (length is 0 || ((style & DWT.SINGLE) !is 0 && length > 1)) return; LVITEM lvItem = new LVITEM (); lvItem.state = OS.LVIS_SELECTED; lvItem.stateMask = OS.LVIS_SELECTED; for (int i=length-1; i>=0; --i) { /* * An index of -1 will apply the change to all * items. Ensure that indices are greater than -1. */ if (indices [i] >= 0) { ignoreSelect = true; OS.SendMessage (handle, OS.LVM_SETITEMSTATE, indices [i], lvItem); ignoreSelect = false; } } } /** * Selects the item at the given zero-relative index in the receiver. * If the item at the index was already selected, it remains * selected. Indices that are out of range are ignored. * * @param index the index of the item to select * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public void select (int index) { checkWidget (); /* * An index of -1 will apply the change to all * items. Ensure that index is greater than -1. */ if (index < 0) return; LVITEM lvItem = new LVITEM (); lvItem.state = OS.LVIS_SELECTED; lvItem.stateMask = OS.LVIS_SELECTED; ignoreSelect = true; OS.SendMessage (handle, OS.LVM_SETITEMSTATE, index, lvItem); ignoreSelect = false; } /** * Selects the items in the range specified by the given zero-relative * indices in the receiver. The range of indices is inclusive. * The current selection is not cleared before the new items are selected. * <p> * If an item in the given range is not selected, it is selected. * If an item in the given range was already selected, it remains selected. * Indices that are out of range are ignored and no items will be selected * if start is greater than end. * If the receiver is single-select and there is more than one item in the * given range, then all indices are ignored. * </p> * * @param start the start of the range * @param end the end of the range * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see Table#setSelection(int,int) */ public void select (int start, int end) { checkWidget (); if (end < 0 || start > end || ((style & DWT.SINGLE) !is 0 && start !is end)) return; int count = OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0); if (count is 0 || start >= count) return; start = Math.max (0, start); end = Math.min (end, count - 1); if (start is 0 && end is count - 1) { selectAll (); } else { /* * An index of -1 will apply the change to all * items. Indices must be greater than -1. */ LVITEM lvItem = new LVITEM (); lvItem.state = OS.LVIS_SELECTED; lvItem.stateMask = OS.LVIS_SELECTED; for (int i=start; i<=end; i++) { ignoreSelect = true; OS.SendMessage (handle, OS.LVM_SETITEMSTATE, i, lvItem); ignoreSelect = false; } } } /** * Selects all of the items in the receiver. * <p> * If the receiver is single-select, do nothing. * </p> * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public void selectAll () { checkWidget (); if ((style & DWT.SINGLE) !is 0) return; LVITEM lvItem = new LVITEM (); lvItem.mask = OS.LVIF_STATE; lvItem.state = OS.LVIS_SELECTED; lvItem.stateMask = OS.LVIS_SELECTED; ignoreSelect = true; OS.SendMessage (handle, OS.LVM_SETITEMSTATE, -1, lvItem); ignoreSelect = false; } void sendEraseItemEvent (TableItem item, NMLVCUSTOMDRAW nmcd, int lParam) { int hDC = nmcd.hdc; int hFont = item.cellFont !is null ? item.cellFont [nmcd.iSubItem] : -1; if (hFont is -1) hFont = item.font; int clrText = item.cellForeground !is null ? item.cellForeground [nmcd.iSubItem] : -1; if (clrText is -1) clrText = item.foreground; int clrTextBk = -1; if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) { if (sortColumn !is null && sortDirection !is DWT.NONE) { if (findImageControl () is null) { if (indexOf (sortColumn) is nmcd.iSubItem) { clrTextBk = getSortColumnPixel (); } } } } clrTextBk = item.cellBackground !is null ? item.cellBackground [nmcd.iSubItem] : -1; if (clrTextBk is -1) clrTextBk = item.background; /* * Bug in Windows. For some reason, CDIS_SELECTED always set, * even for items that are not selected. The fix is to get * the selection state from the item. */ LVITEM lvItem = new LVITEM (); lvItem.mask = OS.LVIF_STATE; lvItem.stateMask = OS.LVIS_SELECTED; lvItem.iItem = nmcd.dwItemSpec; int result = OS.SendMessage (handle, OS.LVM_GETITEM, 0, lvItem); bool selected = (result !is 0 && (lvItem.state & OS.LVIS_SELECTED) !is 0); GCData data = new GCData (); data.device = display; int clrSelectionBk = -1; bool drawSelected = false, drawBackground = false, drawHot = false; if (nmcd.iSubItem is 0 || (style & DWT.FULL_SELECTION) !is 0) { drawHot = hotIndex is nmcd.dwItemSpec; } if (OS.IsWindowEnabled (handle)) { if (selected && (nmcd.iSubItem is 0 || (style & DWT.FULL_SELECTION) !is 0)) { if (OS.GetFocus () is handle) { drawSelected = true; data.foreground = OS.GetSysColor (OS.COLOR_HIGHLIGHTTEXT); data.background = clrSelectionBk = OS.GetSysColor (OS.COLOR_HIGHLIGHT); } else { drawSelected = (style & DWT.HIDE_SELECTION) is 0; data.foreground = OS.GetTextColor (hDC); data.background = clrSelectionBk = OS.GetSysColor (OS.COLOR_3DFACE); } if (explorerTheme) { data.foreground = clrText !is -1 ? clrText : getForegroundPixel (); } } else { drawBackground = clrTextBk !is -1; /* * Bug in Windows. When LVM_SETTEXTBKCOLOR or LVM_SETBKCOLOR * is used to set the background color of the the text or the * control, the color is not set in the HDC that is provided * in Custom Draw. The fix is to explicitly set the background * color. */ if (clrTextBk is -1) { Control control = findBackgroundControl (); if (control is null) control = this; clrTextBk = control.getBackgroundPixel (); } data.foreground = clrText !is -1 ? clrText : OS.GetTextColor (hDC); data.background = clrTextBk !is -1 ? clrTextBk : OS.GetBkColor (hDC); } } else { data.foreground = OS.GetSysColor (OS.COLOR_GRAYTEXT); data.background = OS.GetSysColor (OS.COLOR_3DFACE); if (selected) clrSelectionBk = data.background; } data.hFont = hFont; data.uiState = OS.SendMessage (handle, OS.WM_QUERYUISTATE, 0, 0); int nSavedDC = OS.SaveDC (hDC); GC gc = GC.win32_new (hDC, data); RECT cellRect = item.getBounds (nmcd.dwItemSpec, nmcd.iSubItem, true, true, true, true, hDC); Event event = new Event (); event.item = item; event.gc = gc; event.index = nmcd.iSubItem; event.detail |= DWT.FOREGROUND; // if ((nmcd.uItemState & OS.CDIS_FOCUS) !is 0) { if (OS.SendMessage (handle, OS.LVM_GETNEXTITEM, -1, OS.LVNI_FOCUSED) is nmcd.dwItemSpec) { if (nmcd.iSubItem is 0 || (style & DWT.FULL_SELECTION) !is 0) { if (handle is OS.GetFocus ()) { int uiState = OS.SendMessage (handle, OS.WM_QUERYUISTATE, 0, 0); if ((uiState & OS.UISF_HIDEFOCUS) is 0) event.detail |= DWT.FOCUSED; } } } if (drawHot) event.detail |= DWT.HOT; if (drawSelected) event.detail |= DWT.SELECTED; if (drawBackground) event.detail |= DWT.BACKGROUND; event.x = cellRect.left; event.y = cellRect.top; event.width = cellRect.right - cellRect.left; event.height = cellRect.bottom - cellRect.top; gc.setClipping (event.x, event.y, event.width, event.height); sendEvent (DWT.EraseItem, event); event.gc = null; int clrSelectionText = data.foreground; gc.dispose (); OS.RestoreDC (hDC, nSavedDC); if (isDisposed () || item.isDisposed ()) return; if (event.doit) { ignoreDrawForeground = (event.detail & DWT.FOREGROUND) is 0; ignoreDrawBackground = (event.detail & DWT.BACKGROUND) is 0; ignoreDrawSelection = (event.detail & DWT.SELECTED) is 0; ignoreDrawFocus = (event.detail & DWT.FOCUSED) is 0; ignoreDrawHot = (event.detail & DWT.HOT) is 0; } else { ignoreDrawForeground = ignoreDrawBackground = ignoreDrawSelection = ignoreDrawFocus = ignoreDrawHot = true; } if (drawSelected) { if (ignoreDrawSelection) { ignoreDrawHot = true; if (nmcd.iSubItem is 0 || (style & DWT.FULL_SELECTION) !is 0) { selectionForeground = clrSelectionText; } nmcd.uItemState &= ~OS.CDIS_SELECTED; OS.MoveMemory (lParam, nmcd, NMLVCUSTOMDRAW.sizeof); } } else { if (ignoreDrawSelection) { nmcd.uItemState |= OS.CDIS_SELECTED; OS.MoveMemory (lParam, nmcd, NMLVCUSTOMDRAW.sizeof); } } if (ignoreDrawFocus) { nmcd.uItemState &= ~OS.CDIS_FOCUS; OS.MoveMemory (lParam, nmcd, NMLVCUSTOMDRAW.sizeof); } int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); bool firstColumn = nmcd.iSubItem is OS.SendMessage (hwndHeader, OS.HDM_ORDERTOINDEX, 0, 0); if (ignoreDrawForeground && ignoreDrawHot) { if (!ignoreDrawBackground && drawBackground) { RECT backgroundRect = item.getBounds (nmcd.dwItemSpec, nmcd.iSubItem, true, false, true, false, hDC); fillBackground (hDC, clrTextBk, backgroundRect); } } if (!ignoreDrawHot || (!ignoreDrawSelection && clrSelectionBk !is -1)) { if (explorerTheme) { bool hot = drawHot; RECT pClipRect = new RECT (); OS.SetRect (pClipRect, nmcd.left, nmcd.top, nmcd.right, nmcd.bottom); RECT rect = new RECT (); OS.SetRect (rect, nmcd.left, nmcd.top, nmcd.right, nmcd.bottom); if ((style & DWT.FULL_SELECTION) !is 0) { int count = OS.SendMessage (hwndHeader, OS.HDM_GETITEMCOUNT, 0, 0); int index = OS.SendMessage (hwndHeader, OS.HDM_ORDERTOINDEX, count - 1, 0); RECT headerRect = new RECT (); OS.SendMessage (hwndHeader, OS.HDM_GETITEMRECT, index, headerRect); OS.MapWindowPoints (hwndHeader, handle, headerRect, 2); rect.left = 0; rect.right = headerRect.right; pClipRect.left = cellRect.left; pClipRect.right += EXPLORER_EXTRA; } else { rect.right += EXPLORER_EXTRA; pClipRect.right += EXPLORER_EXTRA; } int hTheme = OS.OpenThemeData (handle, Display.LISTVIEW); int iStateId = selected ? OS.LISS_SELECTED : OS.LISS_HOT; if (OS.GetFocus () !is handle && selected && !hot) iStateId = OS.LISS_SELECTEDNOTFOCUS; OS.DrawThemeBackground (hTheme, hDC, OS.LVP_LISTITEM, iStateId, rect, pClipRect); OS.CloseThemeData (hTheme); } else { bool fullText = ((style & DWT.FULL_SELECTION) !is 0 || !firstColumn); RECT textRect = item.getBounds (nmcd.dwItemSpec, nmcd.iSubItem, true, false, fullText, false, hDC); fillBackground (hDC, clrSelectionBk, textRect); } } if (ignoreDrawForeground) { RECT clipRect = item.getBounds (nmcd.dwItemSpec, nmcd.iSubItem, true, true, true, false, hDC); OS.SaveDC (hDC); OS.SelectClipRgn (hDC, 0); OS.ExcludeClipRect (hDC, clipRect.left, clipRect.top, clipRect.right, clipRect.bottom); } } Event sendMeasureItemEvent (TableItem item, int row, int column, int hDC) { int hFont = item.cellFont !is null ? item.cellFont [column] : -1; if (hFont is -1) hFont = item.font; GCData data = new GCData (); data.device = display; data.hFont = hFont; int nSavedDC = OS.SaveDC (hDC); GC gc = GC.win32_new (hDC, data); RECT itemRect = item.getBounds (row, column, true, true, false, false, hDC); Event event = new Event (); event.item = item; event.gc = gc; event.index = column; event.x = itemRect.left; event.y = itemRect.top; event.width = itemRect.right - itemRect.left; event.height = itemRect.bottom - itemRect.top; sendEvent (DWT.MeasureItem, event); event.gc = null; gc.dispose (); OS.RestoreDC (hDC, nSavedDC); if (!isDisposed () && !item.isDisposed ()) { if (columnCount is 0) { int width = OS.SendMessage (handle, OS.LVM_GETCOLUMNWIDTH, 0, 0); if (event.x + event.width > width) { OS.SendMessage (handle, OS.LVM_SETCOLUMNWIDTH, 0, event.x + event.width); } } if (event.height > getItemHeight ()) setItemHeight (event.height); } return event; } LRESULT sendMouseDownEvent (int type, int button, int msg, int wParam, int lParam) { /* * Feature in Windows. Inside WM_LBUTTONDOWN and WM_RBUTTONDOWN, * the widget starts a modal loop to determine if the user wants * to begin a drag/drop operation or marque select. Unfortunately, * this modal loop eats the corresponding mouse up. The fix is to * detect the cases when the modal loop has eaten the mouse up and * issue a fake mouse up. * * By observation, when the mouse is clicked anywhere but the check * box, the widget eats the mouse up. When the mouse is dragged, * the widget does not eat the mouse up. */ LVHITTESTINFO pinfo = new LVHITTESTINFO (); pinfo.x = (short) (lParam & 0xFFFF); pinfo.y = (short) (lParam >> 16); OS.SendMessage (handle, OS.LVM_HITTEST, 0, pinfo); Display display = this.display; display.captureChanged = false; if (!sendMouseEvent (type, button, handle, msg, wParam, lParam)) { if (!display.captureChanged && !isDisposed ()) { if (OS.GetCapture () !is handle) OS.SetCapture (handle); } return LRESULT.ZERO; } /* * Force the table to have focus so that when the user * reselects the focus item, the LVIS_FOCUSED state bits * for the item will be set. If the user did not click on * an item, then set focus to the table so that it will * come to the front and take focus in the work around * below. */ OS.SetFocus (handle); /* * Feature in Windows. When the user selects outside of * a table item, Windows deselects all the items, even * when the table is multi-select. While not strictly * wrong, this is unexpected. The fix is to detect the * case and avoid calling the window proc. */ if ((style & DWT.SINGLE) !is 0 || hooks (DWT.MouseDown) || hooks (DWT.MouseUp)) { if (pinfo.iItem is -1) { if (!display.captureChanged && !isDisposed ()) { if (OS.GetCapture () !is handle) OS.SetCapture (handle); } return LRESULT.ZERO; } } /* * Feature in Windows. When a table item is reselected * in a single-select table, Windows does not issue a * WM_NOTIFY because the item state has not changed. * This is strictly correct but is inconsistent with the * list widget and other widgets in Windows. The fix is * to detect the case when an item is reselected and mark * it as selected. */ bool forceSelect = false; int count = OS.SendMessage (handle, OS.LVM_GETSELECTEDCOUNT, 0, 0); if (count is 1 && pinfo.iItem !is -1) { LVITEM lvItem = new LVITEM (); lvItem.mask = OS.LVIF_STATE; lvItem.stateMask = OS.LVIS_SELECTED; lvItem.iItem = pinfo.iItem; OS.SendMessage (handle, OS.LVM_GETITEM, 0, lvItem); if ((lvItem.state & OS.LVIS_SELECTED) !is 0) { forceSelect = true; } } /* * Feature in Windows. Inside WM_LBUTTONDOWN and WM_RBUTTONDOWN, * the widget starts a modal loop to determine if the user wants * to begin a drag/drop operation or marque select. This modal * loop eats mouse events until a drag is detected. The fix is * to avoid this behavior by only running the drag and drop when * the event is hooked and the mouse is over an item. */ bool dragDetect = (state & DRAG_DETECT) !is 0 && hooks (DWT.DragDetect); if (!dragDetect) { int flags = OS.LVHT_ONITEMICON | OS.LVHT_ONITEMLABEL; dragDetect = pinfo.iItem is -1 || (pinfo.flags & flags) is 0; } if (!dragDetect) display.runDragDrop = false; int code = callWindowProc (handle, msg, wParam, lParam, forceSelect); if (!dragDetect) display.runDragDrop = true; if (dragStarted || !dragDetect) { if (!display.captureChanged && !isDisposed ()) { if (OS.GetCapture () !is handle) OS.SetCapture (handle); } } else { int flags = OS.LVHT_ONITEMLABEL | OS.LVHT_ONITEMICON; bool fakeMouseUp = (pinfo.flags & flags) !is 0; if (!fakeMouseUp && (style & DWT.MULTI) !is 0) { fakeMouseUp = (pinfo.flags & OS.LVHT_ONITEMSTATEICON) is 0; } if (fakeMouseUp) { sendMouseEvent (DWT.MouseUp, button, handle, msg, wParam, lParam); } } dragStarted = false; return new LRESULT (code); } void sendPaintItemEvent (TableItem item, NMLVCUSTOMDRAW nmcd) { int hDC = nmcd.hdc; GCData data = new GCData (); data.device = display; int hFont = item.cellFont !is null ? item.cellFont [nmcd.iSubItem] : -1; if (hFont is -1) hFont = item.font; data.hFont = hFont; /* * Bug in Windows. For some reason, CDIS_SELECTED always set, * even for items that are not selected. The fix is to get * the selection state from the item. */ LVITEM lvItem = new LVITEM (); lvItem.mask = OS.LVIF_STATE; lvItem.stateMask = OS.LVIS_SELECTED; lvItem.iItem = nmcd.dwItemSpec; int result = OS.SendMessage (handle, OS.LVM_GETITEM, 0, lvItem); bool selected = result !is 0 && (lvItem.state & OS.LVIS_SELECTED) !is 0; bool drawSelected = false, drawBackground = false, drawHot = false; if (nmcd.iSubItem is 0 || (style & DWT.FULL_SELECTION) !is 0) { drawHot = hotIndex is nmcd.dwItemSpec; } if (OS.IsWindowEnabled (handle)) { if (selected && (nmcd.iSubItem is 0 || (style & DWT.FULL_SELECTION) !is 0)) { if (OS.GetFocus () is handle) { drawSelected = true; if (selectionForeground !is -1) { data.foreground = selectionForeground; } else { data.foreground = OS.GetSysColor (OS.COLOR_HIGHLIGHTTEXT); } data.background = OS.GetSysColor (OS.COLOR_HIGHLIGHT); } else { drawSelected = (style & DWT.HIDE_SELECTION) is 0; data.foreground = OS.GetTextColor (hDC); data.background = OS.GetSysColor (OS.COLOR_3DFACE); } if (explorerTheme && selectionForeground is -1) { int clrText = item.cellForeground !is null ? item.cellForeground [nmcd.iSubItem] : -1; if (clrText is -1) clrText = item.foreground; data.foreground = clrText !is -1 ? clrText : getForegroundPixel (); } } else { int clrText = item.cellForeground !is null ? item.cellForeground [nmcd.iSubItem] : -1; if (clrText is -1) clrText = item.foreground; int clrTextBk = item.cellBackground !is null ? item.cellBackground [nmcd.iSubItem] : -1; if (clrTextBk is -1) clrTextBk = item.background; drawBackground = clrTextBk !is -1; /* * Bug in Windows. When LVM_SETTEXTBKCOLOR or LVM_SETBKCOLOR * is used to set the background color of the the text or the * control, the color is not set in the HDC that is provided * in Custom Draw. The fix is to explicitly set the background * color. */ if (clrTextBk is -1) { Control control = findBackgroundControl (); if (control is null) control = this; clrTextBk = control.getBackgroundPixel (); } data.foreground = clrText !is -1 ? clrText : OS.GetTextColor (hDC); data.background = clrTextBk !is -1 ? clrTextBk : OS.GetBkColor (hDC); } } else { data.foreground = OS.GetSysColor (OS.COLOR_GRAYTEXT); data.background = OS.GetSysColor (OS.COLOR_3DFACE); } data.uiState = OS.SendMessage (handle, OS.WM_QUERYUISTATE, 0, 0); int nSavedDC = OS.SaveDC (hDC); GC gc = GC.win32_new (hDC, data); RECT itemRect = item.getBounds (nmcd.dwItemSpec, nmcd.iSubItem, true, true, false, false, hDC); Event event = new Event (); event.item = item; event.gc = gc; event.index = nmcd.iSubItem; event.detail |= DWT.FOREGROUND; // if ((nmcd.uItemState & OS.CDIS_FOCUS) !is 0) { if (OS.SendMessage (handle, OS.LVM_GETNEXTITEM, -1, OS.LVNI_FOCUSED) is nmcd.dwItemSpec) { if (nmcd.iSubItem is 0 || (style & DWT.FULL_SELECTION) !is 0) { if (handle is OS.GetFocus ()) { int uiState = OS.SendMessage (handle, OS.WM_QUERYUISTATE, 0, 0); if ((uiState & OS.UISF_HIDEFOCUS) is 0) event.detail |= DWT.FOCUSED; } } } if (drawHot) event.detail |= DWT.HOT; if (drawSelected) event.detail |= DWT.SELECTED; if (drawBackground) event.detail |= DWT.BACKGROUND; event.x = itemRect.left; event.y = itemRect.top; event.width = itemRect.right - itemRect.left; event.height = itemRect.bottom - itemRect.top; RECT cellRect = item.getBounds (nmcd.dwItemSpec, nmcd.iSubItem, true, true, true, true, hDC); int cellWidth = cellRect.right - cellRect.left; int cellHeight = cellRect.bottom - cellRect.top; gc.setClipping (cellRect.left, cellRect.top, cellWidth, cellHeight); sendEvent (DWT.PaintItem, event); event.gc = null; gc.dispose (); OS.RestoreDC (hDC, nSavedDC); } void setBackgroundImage (int hBitmap) { super.setBackgroundImage (hBitmap); if (!customDraw) setBackgroundTransparent (hBitmap !is 0); } void setBackgroundPixel (int newPixel) { if (!customDraw) { if (findImageControl () !is null) return; if (newPixel is -1) newPixel = defaultBackground (); int oldPixel = OS.SendMessage (handle, OS.LVM_GETBKCOLOR, 0, 0); if (oldPixel !is newPixel) { OS.SendMessage (handle, OS.LVM_SETBKCOLOR, 0, newPixel); OS.SendMessage (handle, OS.LVM_SETTEXTBKCOLOR, 0, newPixel); if ((style & DWT.CHECK) !is 0) fixCheckboxImageListColor (true); } } /* * Feature in Windows. When the background color is changed, * the table does not redraw until the next WM_PAINT. The fix * is to force a redraw. */ OS.InvalidateRect (handle, null, true); } void setBackgroundTransparent (bool transparent) { /* * Bug in Windows. When the table has the extended style * LVS_EX_FULLROWSELECT and LVM_SETBKCOLOR is used with * CLR_NONE to make the table transparent, Windows draws * a black rectangle around the first column. The fix is * clear LVS_EX_FULLROWSELECT. * * Feature in Windows. When LVM_SETBKCOLOR is used with * CLR_NONE and LVM_SETSELECTEDCOLUMN is used to select * a column, Windows fills the column with the selection * color, drawing on top of the background image and any * other custom drawing. The fix is to clear the selected * column. */ int oldPixel = OS.SendMessage (handle, OS.LVM_GETBKCOLOR, 0, 0); if (transparent) { if (oldPixel !is OS.CLR_NONE) { /* * Bug in Windows. When the background color is changed, * the table does not redraw until the next WM_PAINT. The * fix is to force a redraw. */ OS.SendMessage (handle, OS.LVM_SETBKCOLOR, 0, OS.CLR_NONE); OS.SendMessage (handle, OS.LVM_SETTEXTBKCOLOR, 0, OS.CLR_NONE); OS.InvalidateRect (handle, null, true); /* Clear LVS_EX_FULLROWSELECT */ if (!explorerTheme && (style & DWT.FULL_SELECTION) !is 0) { int bits = OS.LVS_EX_FULLROWSELECT; OS.SendMessage (handle, OS.LVM_SETEXTENDEDLISTVIEWSTYLE, bits, 0); } /* Clear LVM_SETSELECTEDCOLUMN */ if ((sortDirection & (DWT.UP | DWT.DOWN)) !is 0) { if (sortColumn !is null && !sortColumn.isDisposed ()) { OS.SendMessage (handle, OS.LVM_SETSELECTEDCOLUMN, -1, 0); /* * Bug in Windows. When LVM_SETSELECTEDCOLUMN is set, Windows * does not redraw either the new or the previous selected column. * The fix is to force a redraw. */ OS.InvalidateRect (handle, null, true); } } } } else { if (oldPixel is OS.CLR_NONE) { Control control = findBackgroundControl (); if (control is null) control = this; if (control.backgroundImage is null) { setBackgroundPixel (control.getBackgroundPixel ()); } /* Set LVS_EX_FULLROWSELECT */ if (!explorerTheme && (style & DWT.FULL_SELECTION) !is 0) { if (!hooks (DWT.EraseItem) && !hooks (DWT.PaintItem)) { int bits = OS.LVS_EX_FULLROWSELECT; OS.SendMessage (handle, OS.LVM_SETEXTENDEDLISTVIEWSTYLE, bits, bits); } } /* Set LVM_SETSELECTEDCOLUMN */ if ((sortDirection & (DWT.UP | DWT.DOWN)) !is 0) { if (sortColumn !is null && !sortColumn.isDisposed ()) { int column = indexOf (sortColumn); if (column !is -1) { OS.SendMessage (handle, OS.LVM_SETSELECTEDCOLUMN, column, 0); /* * Bug in Windows. When LVM_SETSELECTEDCOLUMN is set, Windows * does not redraw either the new or the previous selected column. * The fix is to force a redraw. */ OS.InvalidateRect (handle, null, true); } } } } } } void setBounds (int x, int y, int width, int height, int flags, bool defer) { /* * Bug in Windows. If the table column widths are adjusted * in WM_SIZE or WM_POSITIONCHANGED using LVM_SETCOLUMNWIDTH * blank lines may be inserted at the top of the table. A * call to LVM_GETTOPINDEX will return a negative number (this * is an impossible result). Once the blank lines appear, * there seems to be no way to get rid of them, other than * destroying and recreating the table. The fix is to send * the resize notification after the size has been changed in * the operating system. * * NOTE: This does not fix the case when the user is resizing * columns dynamically. There is no fix for this case at this * time. */ setDeferResize (true); super.setBounds (x, y, width, height, flags, false); setDeferResize (false); } /** * Sets the order that the items in the receiver should * be displayed in to the given argument which is described * in terms of the zero-relative ordering of when the items * were added. * * @param order the new order to display the items * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the item order is null</li> * <li>ERROR_INVALID_ARGUMENT - if the item order is not the same length as the number of items</li> * </ul> * * @see Table#getColumnOrder() * @see TableColumn#getMoveable() * @see TableColumn#setMoveable(bool) * @see DWT#Move * * @since 3.1 */ public void setColumnOrder (int [] order) { checkWidget (); if (order is null) error (DWT.ERROR_NULL_ARGUMENT); int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); if (columnCount is 0) { if (order.length !is 0) error (DWT.ERROR_INVALID_ARGUMENT); return; } if (order.length !is columnCount) error (DWT.ERROR_INVALID_ARGUMENT); int [] oldOrder = new int [columnCount]; OS.SendMessage (handle, OS.LVM_GETCOLUMNORDERARRAY, columnCount, oldOrder); bool reorder = false; bool [] seen = new bool [columnCount]; for (int i=0; i<order.length; i++) { int index = order [i]; if (index < 0 || index >= columnCount) error (DWT.ERROR_INVALID_RANGE); if (seen [index]) error (DWT.ERROR_INVALID_ARGUMENT); seen [index] = true; if (index !is oldOrder [i]) reorder = true; } if (reorder) { RECT [] oldRects = new RECT [columnCount]; for (int i=0; i<columnCount; i++) { oldRects [i] = new RECT (); OS.SendMessage (hwndHeader, OS.HDM_GETITEMRECT, i, oldRects [i]); } OS.SendMessage (handle, OS.LVM_SETCOLUMNORDERARRAY, order.length, order); /* * Bug in Windows. When LVM_SETCOLUMNORDERARRAY is used to change * the column order, the header redraws correctly but the table does * not. The fix is to force a redraw. */ OS.InvalidateRect (handle, null, true); TableColumn[] newColumns = new TableColumn [columnCount]; System.arraycopy (columns, 0, newColumns, 0, columnCount); RECT newRect = new RECT (); for (int i=0; i<columnCount; i++) { TableColumn column = newColumns [i]; if (!column.isDisposed ()) { OS.SendMessage (hwndHeader, OS.HDM_GETITEMRECT, i, newRect); if (newRect.left !is oldRects [i].left) { column.updateToolTip (i); column.sendEvent (DWT.Move); } } } } } void setCustomDraw (bool customDraw) { if (this.customDraw is customDraw) return; if (!this.customDraw && customDraw && currentItem !is null) { OS.InvalidateRect (handle, null, true); } this.customDraw = customDraw; } void setDeferResize (bool defer) { if (defer) { if (resizeCount++ is 0) { wasResized = false; if (hooks (DWT.MeasureItem) || hooks (DWT.EraseItem) || hooks (DWT.PaintItem)) { if (drawCount++ is 0 && OS.IsWindowVisible (handle)) { OS.DefWindowProc (handle, OS.WM_SETREDRAW, 0, 0); } } } } else { if (--resizeCount is 0) { if (hooks (DWT.MeasureItem) || hooks (DWT.EraseItem) || hooks (DWT.PaintItem)) { if (--drawCount is 0 /*&& OS.IsWindowVisible (handle)*/) { OS.DefWindowProc (handle, OS.WM_SETREDRAW, 1, 0); if (OS.IsWinCE) { int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); if (hwndHeader !is 0) OS.InvalidateRect (hwndHeader, null, true); OS.InvalidateRect (handle, null, true); } else { int flags = OS.RDW_ERASE | OS.RDW_FRAME | OS.RDW_INVALIDATE | OS.RDW_ALLCHILDREN; OS.RedrawWindow (handle, null, 0, flags); } } } if (wasResized) { wasResized = false; setResizeChildren (false); sendEvent (DWT.Resize); if (isDisposed ()) return; if (layout !is null) { markLayout (false, false); updateLayout (false, false); } setResizeChildren (true); } } } } void setCheckboxImageList (int width, int height, bool fixScroll) { if ((style & DWT.CHECK) is 0) return; int count = 4, flags = 0; if (OS.IsWinCE) { flags |= OS.ILC_COLOR; } else { int hDC = OS.GetDC (handle); int bits = OS.GetDeviceCaps (hDC, OS.BITSPIXEL); int planes = OS.GetDeviceCaps (hDC, OS.PLANES); OS.ReleaseDC (handle, hDC); int depth = bits * planes; switch (depth) { case 4: flags |= OS.ILC_COLOR4; break; case 8: flags |= OS.ILC_COLOR8; break; case 16: flags |= OS.ILC_COLOR16; break; case 24: flags |= OS.ILC_COLOR24; break; case 32: flags |= OS.ILC_COLOR32; break; default: flags |= OS.ILC_COLOR; break; } } if ((style & DWT.RIGHT_TO_LEFT) !is 0) flags |= OS.ILC_MIRROR; if (OS.COMCTL32_MAJOR < 6 || !OS.IsAppThemed ()) flags |= OS.ILC_MASK; int hStateList = OS.ImageList_Create (width, height, flags, count, count); int hDC = OS.GetDC (handle); int memDC = OS.CreateCompatibleDC (hDC); int hBitmap = OS.CreateCompatibleBitmap (hDC, width * count, height); int hOldBitmap = OS.SelectObject (memDC, hBitmap); RECT rect = new RECT (); OS.SetRect (rect, 0, 0, width * count, height); int clrBackground; if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) { Control control = findBackgroundControl (); if (control is null) control = this; clrBackground = control.getBackgroundPixel (); } else { clrBackground = 0x020000FF; if ((clrBackground & 0xFFFFFF) is OS.GetSysColor (OS.COLOR_WINDOW)) { clrBackground = 0x0200FF00; } } int hBrush = OS.CreateSolidBrush (clrBackground); OS.FillRect (memDC, rect, hBrush); OS.DeleteObject (hBrush); int oldFont = OS.SelectObject (hDC, defaultFont ()); TEXTMETRIC tm = OS.IsUnicode ? (TEXTMETRIC) new TEXTMETRICW () : new TEXTMETRICA (); OS.GetTextMetrics (hDC, tm); OS.SelectObject (hDC, oldFont); int itemWidth = Math.min (tm.tmHeight, width); int itemHeight = Math.min (tm.tmHeight, height); int left = (width - itemWidth) / 2, top = (height - itemHeight) / 2 + 1; OS.SetRect (rect, left, top, left + itemWidth, top + itemHeight); if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) { int hTheme = display.hButtonTheme (); OS.DrawThemeBackground (hTheme, memDC, OS.BP_CHECKBOX, OS.CBS_UNCHECKEDNORMAL, rect, null); rect.left += width; rect.right += width; OS.DrawThemeBackground (hTheme, memDC, OS.BP_CHECKBOX, OS.CBS_CHECKEDNORMAL, rect, null); rect.left += width; rect.right += width; OS.DrawThemeBackground (hTheme, memDC, OS.BP_CHECKBOX, OS.CBS_UNCHECKEDNORMAL, rect, null); rect.left += width; rect.right += width; OS.DrawThemeBackground (hTheme, memDC, OS.BP_CHECKBOX, OS.CBS_MIXEDNORMAL, rect, null); } else { OS.DrawFrameControl (memDC, rect, OS.DFC_BUTTON, OS.DFCS_BUTTONCHECK | OS.DFCS_FLAT); rect.left += width; rect.right += width; OS.DrawFrameControl (memDC, rect, OS.DFC_BUTTON, OS.DFCS_BUTTONCHECK | OS.DFCS_CHECKED | OS.DFCS_FLAT); rect.left += width; rect.right += width; OS.DrawFrameControl (memDC, rect, OS.DFC_BUTTON, OS.DFCS_BUTTONCHECK | OS.DFCS_INACTIVE | OS.DFCS_FLAT); rect.left += width; rect.right += width; OS.DrawFrameControl (memDC, rect, OS.DFC_BUTTON, OS.DFCS_BUTTONCHECK | OS.DFCS_CHECKED | OS.DFCS_INACTIVE | OS.DFCS_FLAT); } OS.SelectObject (memDC, hOldBitmap); OS.DeleteDC (memDC); OS.ReleaseDC (handle, hDC); if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) { OS.ImageList_Add (hStateList, hBitmap, 0); } else { OS.ImageList_AddMasked (hStateList, hBitmap, clrBackground); } OS.DeleteObject (hBitmap); /* * Bug in Windows. Making any change to an item that * changes the item height of a table while the table * is scrolled can cause the lines to draw incorrectly. * This happens even when the lines are not currently * visible and are shown afterwards. The fix is to * save the top index, scroll to the top of the table * and then restore the original top index. */ int topIndex = getTopIndex (); if (fixScroll && topIndex !is 0) { setRedraw (false); setTopIndex (0); } int hOldStateList = OS.SendMessage (handle, OS.LVM_GETIMAGELIST, OS.LVSIL_STATE, 0); OS.SendMessage (handle, OS.LVM_SETIMAGELIST, OS.LVSIL_STATE, hStateList); if (hOldStateList !is 0) OS.ImageList_Destroy (hOldStateList); /* * Bug in Windows. Setting the LVSIL_STATE state image list * when the table already has a LVSIL_SMALL image list causes * pixel corruption of the images. The fix is to reset the * LVSIL_SMALL image list. */ if (!OS.IsWinCE && OS.WIN32_VERSION >= OS.VERSION (6, 0)) { int hImageList = OS.SendMessage (handle, OS.LVM_GETIMAGELIST, OS.LVSIL_SMALL, 0); OS.SendMessage (handle, OS.LVM_SETIMAGELIST, OS.LVSIL_SMALL, hImageList); } if (fixScroll && topIndex !is 0) { setTopIndex (topIndex); setRedraw (true); } } void setFocusIndex (int index) { // checkWidget (); /* * An index of -1 will apply the change to all * items. Ensure that index is greater than -1. */ if (index < 0) return; LVITEM lvItem = new LVITEM (); lvItem.state = OS.LVIS_FOCUSED; lvItem.stateMask = OS.LVIS_FOCUSED; ignoreSelect = true; OS.SendMessage (handle, OS.LVM_SETITEMSTATE, index, lvItem); ignoreSelect = false; OS.SendMessage (handle, OS.LVM_SETSELECTIONMARK, 0, index); } public void setFont (Font font) { checkWidget (); /* * Bug in Windows. Making any change to an item that * changes the item height of a table while the table * is scrolled can cause the lines to draw incorrectly. * This happens even when the lines are not currently * visible and are shown afterwards. The fix is to * save the top index, scroll to the top of the table * and then restore the original top index. */ int topIndex = getTopIndex (); if (topIndex !is 0) { setRedraw (false); setTopIndex (0); } if (itemHeight !is -1) { int bits = OS.GetWindowLong (handle, OS.GWL_STYLE); OS.SetWindowLong (handle, OS.GWL_STYLE, bits | OS.LVS_OWNERDRAWFIXED); } super.setFont (font); if (itemHeight !is -1) { int bits = OS.GetWindowLong (handle, OS.GWL_STYLE); OS.SetWindowLong (handle, OS.GWL_STYLE, bits & ~OS.LVS_OWNERDRAWFIXED); } setScrollWidth (null, true); if (topIndex !is 0) { setTopIndex (topIndex); setRedraw (true); } /* * Bug in Windows. Setting the font will cause the table * to be redrawn but not the column headers. The fix is * to force a redraw of the column headers. */ int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); OS.InvalidateRect (hwndHeader, null, true); } void setForegroundPixel (int pixel) { /* * The Windows table control uses CLR_DEFAULT to indicate * that it is using the default foreground color. This * is undocumented. */ if (pixel is -1) pixel = OS.CLR_DEFAULT; OS.SendMessage (handle, OS.LVM_SETTEXTCOLOR, 0, pixel); /* * Feature in Windows. When the foreground color is * changed, the table does not redraw until the next * WM_PAINT. The fix is to force a redraw. */ OS.InvalidateRect (handle, null, true); } /** * Marks the receiver's header as visible if the argument is <code>true</code>, * and marks it invisible otherwise. * <p> * If one of the receiver's ancestors is not visible or some * other condition makes the receiver not visible, marking * it visible may not actually cause it to be displayed. * </p> * * @param show the new visibility state * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public void setHeaderVisible (bool show) { checkWidget (); int newBits = OS.GetWindowLong (handle, OS.GWL_STYLE); newBits &= ~OS.LVS_NOCOLUMNHEADER; if (!show) newBits |= OS.LVS_NOCOLUMNHEADER; /* * Feature in Windows. Setting or clearing LVS_NOCOLUMNHEADER * causes the table to scroll to the beginning. The fix is to * save and restore the top index causing the table to scroll * to the new location. */ int oldIndex = getTopIndex (); OS.SetWindowLong (handle, OS.GWL_STYLE, newBits); /* * Bug in Windows. Making any change to an item that * changes the item height of a table while the table * is scrolled can cause the lines to draw incorrectly. * This happens even when the lines are not currently * visible and are shown afterwards. The fix is to * save the top index, scroll to the top of the table * and then restore the original top index. */ int newIndex = getTopIndex (); if (newIndex !is 0) { setRedraw (false); setTopIndex (0); } if (show) { int bits = OS.SendMessage (handle, OS.LVM_GETEXTENDEDLISTVIEWSTYLE, 0, 0); if ((bits & OS.LVS_EX_GRIDLINES) !is 0) fixItemHeight (false); } setTopIndex (oldIndex); if (newIndex !is 0) { setRedraw (true); } updateHeaderToolTips (); } /** * Sets the number of items contained in the receiver. * * @param count the number of items * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @since 3.0 */ public void setItemCount (int count) { checkWidget (); count = Math.max (0, count); int itemCount = OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0); if (count is itemCount) return; setDeferResize (true); bool isVirtual = (style & DWT.VIRTUAL) !is 0; if (!isVirtual) setRedraw (false); int index = count; while (index < itemCount) { TableItem item = items [index]; if (item !is null && !item.isDisposed ()) item.release (false); if (!isVirtual) { ignoreSelect = ignoreShrink = true; int code = OS.SendMessage (handle, OS.LVM_DELETEITEM, count, 0); ignoreSelect = ignoreShrink = false; if (code is 0) break; } index++; } if (index < itemCount) error (DWT.ERROR_ITEM_NOT_REMOVED); int length = Math.max (4, (count + 3) / 4 * 4); TableItem [] newItems = new TableItem [length]; System.arraycopy (items, 0, newItems, 0, Math.min (count, itemCount)); items = newItems; if (isVirtual) { int flags = OS.LVSICF_NOINVALIDATEALL | OS.LVSICF_NOSCROLL; OS.SendMessage (handle, OS.LVM_SETITEMCOUNT, count, flags); /* * Bug in Windows. When a virtual table contains items and * LVM_SETITEMCOUNT is used to set the new item count to zero, * Windows does not redraw the table. Note that simply not * specifying LVSICF_NOINVALIDATEALL or LVSICF_NOSCROLL does * correct the problem. The fix is to force a redraw. */ if (count is 0 && itemCount !is 0) { OS.InvalidateRect (handle, null, true); } } else { for (int i=itemCount; i<count; i++) { items [i] = new TableItem (this, DWT.NONE, i, true); } } if (!isVirtual) setRedraw (true); if (itemCount is 0) setScrollWidth (null, false); setDeferResize (false); } void setItemHeight (bool fixScroll) { /* * Bug in Windows. Making any change to an item that * changes the item height of a table while the table * is scrolled can cause the lines to draw incorrectly. * This happens even when the lines are not currently * visible and are shown afterwards. The fix is to * save the top index, scroll to the top of the table * and then restore the original top index. */ int topIndex = getTopIndex (); if (fixScroll && topIndex !is 0) { setRedraw (false); setTopIndex (0); } if (itemHeight is -1) { /* * Feature in Windows. Windows has no API to restore the * defualt item height for a table. The fix is to use * WM_SETFONT which recomputes and assigns the default item * height. */ int hFont = OS.SendMessage (handle, OS.WM_GETFONT, 0, 0); OS.SendMessage (handle, OS.WM_SETFONT, hFont, 0); } else { /* * Feature in Windows. Window has no API to set the item * height for a table. The fix is to set temporarily set * LVS_OWNERDRAWFIXED then resize the table, causing a * WM_MEASUREITEM to be sent, then clear LVS_OWNERDRAWFIXED. */ forceResize (); RECT rect = new RECT (); OS.GetWindowRect (handle, rect); int width = rect.right - rect.left, height = rect.bottom - rect.top; int bits = OS.GetWindowLong (handle, OS.GWL_STYLE); OS.SetWindowLong (handle, OS.GWL_STYLE, bits | OS.LVS_OWNERDRAWFIXED); int flags = OS.SWP_NOACTIVATE | OS.SWP_NOMOVE | OS.SWP_NOREDRAW | OS.SWP_NOZORDER; ignoreResize = true; SetWindowPos (handle, 0 , 0, 0, width, height + 1, flags); SetWindowPos (handle, 0 , 0, 0, width, height, flags); ignoreResize = false; OS.SetWindowLong (handle, OS.GWL_STYLE, bits); } if (fixScroll && topIndex !is 0) { setTopIndex (topIndex); setRedraw (true); } } /** * Sets the height of the area which would be used to * display <em>one</em> of the items in the table. * * @param itemHeight the height of one item * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @since 3.2 */ /*public*/ void setItemHeight (int itemHeight) { checkWidget (); if (itemHeight < -1) error (DWT.ERROR_INVALID_ARGUMENT); this.itemHeight = itemHeight; setItemHeight (true); setScrollWidth (null, true); } /** * Marks the receiver's lines as visible if the argument is <code>true</code>, * and marks it invisible otherwise. * <p> * If one of the receiver's ancestors is not visible or some * other condition makes the receiver not visible, marking * it visible may not actually cause it to be displayed. * </p> * * @param show the new visibility state * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public void setLinesVisible (bool show) { checkWidget (); int newBits = show ? OS.LVS_EX_GRIDLINES : 0; OS.SendMessage (handle, OS.LVM_SETEXTENDEDLISTVIEWSTYLE, OS.LVS_EX_GRIDLINES, newBits); if (show) { int bits = OS.GetWindowLong (handle, OS.GWL_STYLE); if ((bits & OS.LVS_NOCOLUMNHEADER) is 0) fixItemHeight (true); } } public void setRedraw (bool redraw) { checkWidget (); /* * Feature in Windows. When WM_SETREDRAW is used to turn * off drawing in a widget, it clears the WS_VISIBLE bits * and then sets them when redraw is turned back on. This * means that WM_SETREDRAW will make a widget unexpectedly * visible. The fix is to track the visibility state while * drawing is turned off and restore it when drawing is turned * back on. */ if (drawCount is 0) { int bits = OS.GetWindowLong (handle, OS.GWL_STYLE); if ((bits & OS.WS_VISIBLE) is 0) state |= HIDDEN; } if (redraw) { if (--drawCount is 0) { /* * When many items are added to a table, it is faster to * temporarily unsubclass the window proc so that messages * are dispatched directly to the table. * * NOTE: This is optimization somewhat dangerous because any * operation can occur when redraw is turned off, even operations * where the table must be subclassed in order to have the correct * behavior or work around a Windows bug. * * This code is intentionally commented. */ // subclass (); /* Set the width of the horizontal scroll bar */ setScrollWidth (null, true); /* * Bug in Windows. For some reason, when WM_SETREDRAW is used * to turn redraw back on this may result in a WM_SIZE. If the * table column widths are adjusted in WM_SIZE, blank lines may * be inserted at the top of the widget. A call to LVM_GETTOPINDEX * will return a negative number (this is an impossible result). * The fix is to send the resize notification after the size has * been changed in the operating system. */ setDeferResize (true); OS.SendMessage (handle, OS.WM_SETREDRAW, 1, 0); int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); if (hwndHeader !is 0) OS.SendMessage (hwndHeader, OS.WM_SETREDRAW, 1, 0); if ((state & HIDDEN) !is 0) { state &= ~HIDDEN; OS.ShowWindow (handle, OS.SW_HIDE); } else { if (OS.IsWinCE) { OS.InvalidateRect (handle, null, false); if (hwndHeader !is 0) { OS.InvalidateRect (hwndHeader, null, false); } } else { int flags = OS.RDW_ERASE | OS.RDW_FRAME | OS.RDW_INVALIDATE | OS.RDW_ALLCHILDREN; OS.RedrawWindow (handle, null, 0, flags); } } setDeferResize (false); } } else { if (drawCount++ is 0) { OS.SendMessage (handle, OS.WM_SETREDRAW, 0, 0); int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); if (hwndHeader !is 0) OS.SendMessage (hwndHeader, OS.WM_SETREDRAW, 0, 0); /* * When many items are added to a table, it is faster to * temporarily unsubclass the window proc so that messages * are dispatched directly to the table. * * NOTE: This is optimization somewhat dangerous because any * operation can occur when redraw is turned off, even operations * where the table must be subclassed in order to have the correct * behavior or work around a Windows bug. * * This code is intentionally commented. */ // unsubclass (); } } } bool setScrollWidth (TableItem item, bool force) { if (currentItem !is null) { if (currentItem !is item) fixScrollWidth = true; return false; } if (!force && (drawCount !is 0 || !OS.IsWindowVisible (handle))) { fixScrollWidth = true; return false; } fixScrollWidth = false; /* * NOTE: It is much faster to measure the strings and compute the * width of the scroll bar in non-virtual table rather than using * LVM_SETCOLUMNWIDTH with LVSCW_AUTOSIZE. */ if (columnCount is 0) { int newWidth = 0, imageIndent = 0, index = 0; int itemCount = OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0); while (index < itemCount) { String string = null; int font = -1; if (item !is null) { string = item.text; imageIndent = Math.max (imageIndent, item.imageIndent); if (item.cellFont !is null) font = item.cellFont [0]; if (font is -1) font = item.font; } else { if (items [index] !is null) { TableItem tableItem = items [index]; string = tableItem.text; imageIndent = Math.max (imageIndent, tableItem.imageIndent); if (tableItem.cellFont !is null) font = tableItem.cellFont [0]; if (font is -1) font = tableItem.font; } } if (string !is null && string.length () !is 0) { if (font !is -1) { int hDC = OS.GetDC (handle); int oldFont = OS.SelectObject (hDC, font); int flags = OS.DT_CALCRECT | OS.DT_SINGLELINE | OS.DT_NOPREFIX; TCHAR buffer = new TCHAR (getCodePage (), string, false); RECT rect = new RECT (); OS.DrawText (hDC, buffer, buffer.length (), rect, flags); OS.SelectObject (hDC, oldFont); OS.ReleaseDC (handle, hDC); newWidth = Math.max (newWidth, rect.right - rect.left); } else { TCHAR buffer = new TCHAR (getCodePage (), string, true); newWidth = Math.max (newWidth, OS.SendMessage (handle, OS.LVM_GETSTRINGWIDTH, 0, buffer)); } } if (item !is null) break; index++; } /* * Bug in Windows. When the width of the first column is * small but not zero, Windows draws '...' outside of the * bounds of the text. This is strange, but only causes * problems when the item is selected. In this case, Windows * clears the '...' but doesn't redraw it when the item is * deselected, causing pixel corruption. The fix is to ensure * that the column is at least wide enough to draw a single * space. */ if (newWidth is 0) { TCHAR buffer = new TCHAR (getCodePage (), " ", true); newWidth = Math.max (newWidth, OS.SendMessage (handle, OS.LVM_GETSTRINGWIDTH, 0, buffer)); } int hStateList = OS.SendMessage (handle, OS.LVM_GETIMAGELIST, OS.LVSIL_STATE, 0); if (hStateList !is 0) { int [] cx = new int [1], cy = new int [1]; OS.ImageList_GetIconSize (hStateList, cx, cy); newWidth += cx [0] + INSET; } int hImageList = OS.SendMessage (handle, OS.LVM_GETIMAGELIST, OS.LVSIL_SMALL, 0); if (hImageList !is 0) { int [] cx = new int [1], cy = new int [1]; OS.ImageList_GetIconSize (hImageList, cx, cy); newWidth += (imageIndent + 1) * cx [0]; } else { /* * Bug in Windows. When LVM_SETIMAGELIST is used to remove the * image list by setting it to NULL, the item width and height * is not changed and space is reserved for icons despite the * fact that there are none. The fix is to set the image list * to be very small before setting it to NULL. This causes * Windows to reserve the smallest possible space when an image * list is removed. In this case, the scroll width must be one * pixel larger. */ newWidth++; } newWidth += INSET * 2; int oldWidth = OS.SendMessage (handle, OS.LVM_GETCOLUMNWIDTH, 0, 0); if (!OS.IsWinCE && OS.WIN32_VERSION >= OS.VERSION (6, 0)) { newWidth += VISTA_EXTRA; } if (newWidth > oldWidth) { /* * Feature in Windows. When LVM_SETCOLUMNWIDTH is sent, * Windows draws right away instead of queuing a WM_PAINT. * This can cause recursive calls when called from paint * or from messages that are retrieving the item data, * such as WM_NOTIFY, causing a stack overflow. The fix * is to turn off redraw and queue a repaint, collapsing * the recursive calls. */ bool redraw = drawCount is 0 && OS.IsWindowVisible (handle); if (redraw) OS.DefWindowProc (handle, OS.WM_SETREDRAW, 0, 0); OS.SendMessage (handle, OS.LVM_SETCOLUMNWIDTH, 0, newWidth); if (redraw) { OS.DefWindowProc (handle, OS.WM_SETREDRAW, 1, 0); if (OS.IsWinCE) { int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); if (hwndHeader !is 0) OS.InvalidateRect (hwndHeader, null, true); OS.InvalidateRect (handle, null, true); } else { int flags = OS.RDW_ERASE | OS.RDW_FRAME | OS.RDW_INVALIDATE | OS.RDW_ALLCHILDREN; OS.RedrawWindow (handle, null, 0, flags); } } return true; } } return false; } /** * Selects the items at the given zero-relative indices in the receiver. * The current selection is cleared before the new items are selected. * <p> * Indices that are out of range and duplicate indices are ignored. * If the receiver is single-select and multiple indices are specified, * then all indices are ignored. * </p> * * @param indices the indices of the items to select * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the array of indices is null</li> * </ul> * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see Table#deselectAll() * @see Table#select(int[]) */ public void setSelection (int [] indices) { checkWidget (); if (indices is null) error (DWT.ERROR_NULL_ARGUMENT); deselectAll (); int length = indices.length; if (length is 0 || ((style & DWT.SINGLE) !is 0 && length > 1)) return; select (indices); int focusIndex = indices [0]; if (focusIndex !is -1) setFocusIndex (focusIndex); showSelection (); } /** * Sets the receiver's selection to the given item. * The current selection is cleared before the new item is selected. * <p> * If the item is not in the receiver, then it is ignored. * </p> * * @param item the item to select * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the item is null</li> * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> * </ul> * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @since 3.2 */ public void setSelection (TableItem item) { checkWidget (); if (item is null) error (DWT.ERROR_NULL_ARGUMENT); setSelection (new TableItem [] {item}); } /** * Sets the receiver's selection to be the given array of items. * The current selection is cleared before the new items are selected. * <p> * Items that are not in the receiver are ignored. * If the receiver is single-select and multiple items are specified, * then all items are ignored. * </p> * * @param items the array of items * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the array of items is null</li> * <li>ERROR_INVALID_ARGUMENT - if one of the items has been disposed</li> * </ul> * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see Table#deselectAll() * @see Table#select(int[]) * @see Table#setSelection(int[]) */ public void setSelection (TableItem [] items) { checkWidget (); if (items is null) error (DWT.ERROR_NULL_ARGUMENT); deselectAll (); int length = items.length; if (length is 0 || ((style & DWT.SINGLE) !is 0 && length > 1)) return; int focusIndex = -1; for (int i=length-1; i>=0; --i) { int index = indexOf (items [i]); if (index !is -1) { select (focusIndex = index); } } if (focusIndex !is -1) setFocusIndex (focusIndex); showSelection (); } /** * Selects the item at the given zero-relative index in the receiver. * The current selection is first cleared, then the new item is selected. * * @param index the index of the item to select * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see Table#deselectAll() * @see Table#select(int) */ public void setSelection (int index) { checkWidget (); deselectAll (); select (index); if (index !is -1) setFocusIndex (index); showSelection (); } /** * Selects the items in the range specified by the given zero-relative * indices in the receiver. The range of indices is inclusive. * The current selection is cleared before the new items are selected. * <p> * Indices that are out of range are ignored and no items will be selected * if start is greater than end. * If the receiver is single-select and there is more than one item in the * given range, then all indices are ignored. * </p> * * @param start the start index of the items to select * @param end the end index of the items to select * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see Table#deselectAll() * @see Table#select(int,int) */ public void setSelection (int start, int end) { checkWidget (); deselectAll (); if (end < 0 || start > end || ((style & DWT.SINGLE) !is 0 && start !is end)) return; int count = OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0); if (count is 0 || start >= count) return; start = Math.max (0, start); end = Math.min (end, count - 1); select (start, end); setFocusIndex (start); showSelection (); } /** * Sets the column used by the sort indicator for the receiver. A null * value will clear the sort indicator. The current sort column is cleared * before the new column is set. * * @param column the column used by the sort indicator or <code>null</code> * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_ARGUMENT - if the column is disposed</li> * </ul> * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @since 3.2 */ public void setSortColumn (TableColumn column) { checkWidget (); if (column !is null && column.isDisposed ()) error (DWT.ERROR_INVALID_ARGUMENT); if (sortColumn !is null && !sortColumn.isDisposed ()) { sortColumn.setSortDirection (DWT.NONE); } sortColumn = column; if (sortColumn !is null && sortDirection !is DWT.NONE) { sortColumn.setSortDirection (sortDirection); } } /** * Sets the direction of the sort indicator for the receiver. The value * can be one of <code>UP</code>, <code>DOWN</code> or <code>NONE</code>. * * @param direction the direction of the sort indicator * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @since 3.2 */ public void setSortDirection (int direction) { checkWidget (); if ((direction & (DWT.UP | DWT.DOWN)) is 0 && direction !is DWT.NONE) return; sortDirection = direction; if (sortColumn !is null && !sortColumn.isDisposed ()) { sortColumn.setSortDirection (direction); } } void setSubImagesVisible (bool visible) { int dwExStyle = OS.SendMessage (handle, OS.LVM_GETEXTENDEDLISTVIEWSTYLE, 0, 0); if ((dwExStyle & OS.LVS_EX_SUBITEMIMAGES) !is 0 is visible) return; int bits = visible ? OS.LVS_EX_SUBITEMIMAGES : 0; OS.SendMessage (handle, OS.LVM_SETEXTENDEDLISTVIEWSTYLE, OS.LVS_EX_SUBITEMIMAGES, bits); } void setTableEmpty () { if (imageList !is null) { /* * Bug in Windows. When LVM_SETIMAGELIST is used to remove the * image list by setting it to NULL, the item width and height * is not changed and space is reserved for icons despite the * fact that there are none. The fix is to set the image list * to be very small before setting it to NULL. This causes * Windows to reserve the smallest possible space when an image * list is removed. */ int hImageList = OS.ImageList_Create (1, 1, 0, 0, 0); OS.SendMessage (handle, OS.LVM_SETIMAGELIST, OS.LVSIL_SMALL, hImageList); OS.SendMessage (handle, OS.LVM_SETIMAGELIST, OS.LVSIL_SMALL, 0); if (headerImageList !is null) { int hHeaderImageList = headerImageList.getHandle (); int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); OS.SendMessage (hwndHeader, OS.HDM_SETIMAGELIST, 0, hHeaderImageList); } OS.ImageList_Destroy (hImageList); display.releaseImageList (imageList); imageList = null; if (itemHeight !is -1) setItemHeight (false); } if (!hooks (DWT.MeasureItem) && !hooks (DWT.EraseItem) && !hooks (DWT.PaintItem)) { Control control = findBackgroundControl (); if (control is null) control = this; if (control.backgroundImage is null) { setCustomDraw (false); setBackgroundTransparent (false); if (OS.COMCTL32_MAJOR < 6) style &= ~DWT.DOUBLE_BUFFERED; } } items = new TableItem [4]; if (columnCount is 0) { OS.SendMessage (handle, OS.LVM_SETCOLUMNWIDTH, 0, 0); setScrollWidth (null, false); } } /** * Sets the zero-relative index of the item which is currently * at the top of the receiver. This index can change when items * are scrolled or new items are added and removed. * * @param index the index of the top item * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public void setTopIndex (int index) { checkWidget (); int topIndex = OS.SendMessage (handle, OS.LVM_GETTOPINDEX, 0, 0); if (index is topIndex) return; /* * Bug in Windows. For some reason, LVM_SCROLL refuses to * scroll a table vertically when the width and height of * the table is smaller than a certain size. The values * that seem to cause the problem are width=68 and height=6 * but there is no guarantee that these values cause the * failure on different machines or on different versions * of Windows. It may depend on the font and any number * of other factors. For example, setting the font to * anything but the default sometimes fixes the problem. * The fix is to use LVM_GETCOUNTPERPAGE to detect the * case when the number of visible items is zero and * use LVM_ENSUREVISIBLE to scroll the table to make the * index visible. */ /* * Bug in Windows. When the table header is visible and * there is not enough space to show a single table item, * LVM_GETCOUNTPERPAGE can return a negative number instead * of zero. The fix is to test for negative or zero. */ if (OS.SendMessage (handle, OS.LVM_GETCOUNTPERPAGE, 0, 0) <= 0) { /* * Bug in Windows. For some reason, LVM_ENSUREVISIBLE can * scroll one item more or one item less when there is not * enough space to show a single table item. The fix is * to detect the case and call LVM_ENSUREVISIBLE again with * the same arguments. It seems that once LVM_ENSUREVISIBLE * has scrolled into the general area, it is able to scroll * to the exact item. */ OS.SendMessage (handle, OS.LVM_ENSUREVISIBLE, index, 1); if (index !is OS.SendMessage (handle, OS.LVM_GETTOPINDEX, 0, 0)) { OS.SendMessage (handle, OS.LVM_ENSUREVISIBLE, index, 1); } return; } /* Use LVM_SCROLL to scroll the table */ RECT rect = new RECT (); rect.left = OS.LVIR_BOUNDS; ignoreCustomDraw = true; OS.SendMessage (handle, OS.LVM_GETITEMRECT, 0, rect); ignoreCustomDraw = false; int dy = (index - topIndex) * (rect.bottom - rect.top); OS.SendMessage (handle, OS.LVM_SCROLL, 0, dy); } /** * Shows the column. If the column is already showing in the receiver, * this method simply returns. Otherwise, the columns are scrolled until * the column is visible. * * @param column the column to be shown * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the column is null</li> * <li>ERROR_INVALID_ARGUMENT - if the column has been disposed</li> * </ul> * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @since 3.0 */ public void showColumn (TableColumn column) { checkWidget (); if (column is null) error (DWT.ERROR_NULL_ARGUMENT); if (column.isDisposed()) error(DWT.ERROR_INVALID_ARGUMENT); if (column.parent !is this) return; int index = indexOf (column); if (!(0 <= index && index < columnCount)) return; /* * Feature in Windows. Calling LVM_GETSUBITEMRECT with -1 for the * row number gives the bounds of the item that would be above the * first row in the table. This is undocumented and does not work * for the first column. In this case, to get the bounds of the * first column, get the bounds of the second column and subtract * the width of the first. The left edge of the second column is * also used as the right edge of the first. */ RECT itemRect = new RECT (); itemRect.left = OS.LVIR_BOUNDS; if (index is 0) { itemRect.top = 1; ignoreCustomDraw = true; OS.SendMessage (handle, OS.LVM_GETSUBITEMRECT, -1, itemRect); ignoreCustomDraw = false; itemRect.right = itemRect.left; int width = OS.SendMessage (handle, OS.LVM_GETCOLUMNWIDTH, 0, 0); itemRect.left = itemRect.right - width; } else { itemRect.top = index; ignoreCustomDraw = true; OS.SendMessage (handle, OS.LVM_GETSUBITEMRECT, -1, itemRect); ignoreCustomDraw = false; } /* * Bug in Windows. When a table that is drawing grid lines * is slowly scrolled horizontally to the left, the table does * not redraw the newly exposed vertical grid lines. The fix * is to save the old scroll position, call the window proc, * get the new scroll position and redraw the new area. */ int oldPos = 0; int bits = OS.SendMessage (handle, OS.LVM_GETEXTENDEDLISTVIEWSTYLE, 0, 0); if ((bits & OS.LVS_EX_GRIDLINES) !is 0) { SCROLLINFO info = new SCROLLINFO (); info.cbSize = SCROLLINFO.sizeof; info.fMask = OS.SIF_POS; OS.GetScrollInfo (handle, OS.SB_HORZ, info); oldPos = info.nPos; } RECT rect = new RECT (); OS.GetClientRect (handle, rect); if (itemRect.left < rect.left) { int dx = itemRect.left - rect.left; OS.SendMessage (handle, OS.LVM_SCROLL, dx, 0); } else { int width = Math.min (rect.right - rect.left, itemRect.right - itemRect.left); if (itemRect.left + width > rect.right) { int dx = itemRect.left + width - rect.right; OS.SendMessage (handle, OS.LVM_SCROLL, dx, 0); } } /* * Bug in Windows. When a table that is drawing grid lines * is slowly scrolled horizontally to the left, the table does * not redraw the newly exposed vertical grid lines. The fix * is to save the old scroll position, call the window proc, * get the new scroll position and redraw the new area. */ if ((bits & OS.LVS_EX_GRIDLINES) !is 0) { SCROLLINFO info = new SCROLLINFO (); info.cbSize = SCROLLINFO.sizeof; info.fMask = OS.SIF_POS; OS.GetScrollInfo (handle, OS.SB_HORZ, info); int newPos = info.nPos; if (newPos < oldPos) { rect.right = oldPos - newPos + GRID_WIDTH; OS.InvalidateRect (handle, rect, true); } } } void showItem (int index) { /* * Bug in Windows. For some reason, when there is insufficient space * to show an item, LVM_ENSUREVISIBLE causes blank lines to be * inserted at the top of the widget. A call to LVM_GETTOPINDEX will * return a negative number (this is an impossible result). The fix * is to use LVM_GETCOUNTPERPAGE to detect the case when the number * of visible items is zero and use LVM_ENSUREVISIBLE with the * fPartialOK flag set to true to scroll the table. */ if (OS.SendMessage (handle, OS.LVM_GETCOUNTPERPAGE, 0, 0) <= 0) { /* * Bug in Windows. For some reason, LVM_ENSUREVISIBLE can * scroll one item more or one item less when there is not * enough space to show a single table item. The fix is * to detect the case and call LVM_ENSUREVISIBLE again with * the same arguments. It seems that once LVM_ENSUREVISIBLE * has scrolled into the general area, it is able to scroll * to the exact item. */ OS.SendMessage (handle, OS.LVM_ENSUREVISIBLE, index, 1); if (index !is OS.SendMessage (handle, OS.LVM_GETTOPINDEX, 0, 0)) { OS.SendMessage (handle, OS.LVM_ENSUREVISIBLE, index, 1); } } else { OS.SendMessage (handle, OS.LVM_ENSUREVISIBLE, index, 0); } } /** * Shows the item. If the item is already showing in the receiver, * this method simply returns. Otherwise, the items are scrolled until * the item is visible. * * @param item the item to be shown * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the item is null</li> * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> * </ul> * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see Table#showSelection() */ public void showItem (TableItem item) { checkWidget (); if (item is null) error (DWT.ERROR_NULL_ARGUMENT); if (item.isDisposed()) error(DWT.ERROR_INVALID_ARGUMENT); int index = indexOf (item); if (index !is -1) showItem (index); } /** * Shows the selection. If the selection is already showing in the receiver, * this method simply returns. Otherwise, the items are scrolled until * the selection is visible. * * @exception DWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see Table#showItem(TableItem) */ public void showSelection () { checkWidget (); int index = OS.SendMessage (handle, OS.LVM_GETNEXTITEM, -1, OS.LVNI_SELECTED); if (index !is -1) showItem (index); } /*public*/ void sort () { checkWidget (); // if ((style & DWT.VIRTUAL) !is 0) return; // int itemCount = OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0); // if (itemCount is 0 || itemCount is 1) return; // Comparator comparator = new Comparator () { // int index = sortColumn is null ? 0 : indexOf (sortColumn); // public int compare (Object object1, Object object2) { // TableItem item1 = (TableItem) object1, item2 = (TableItem) object2; // if (sortDirection is DWT.UP || sortDirection is DWT.NONE) { // return item1.getText (index).compareTo (item2.getText (index)); // } else { // return item2.getText (index).compareTo (item1.getText (index)); // } // } // }; // Arrays.sort (items, 0, itemCount, comparator); // redraw (); } void subclass () { super.subclass (); if (HeaderProc !is 0) { int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); OS.SetWindowLong (hwndHeader, OS.GWL_WNDPROC, display.windowProc); } } String toolTipText (NMTTDISPINFO hdr) { int hwndToolTip = OS.SendMessage (handle, OS.LVM_GETTOOLTIPS, 0, 0); if (hwndToolTip is hdr.hwndFrom && toolTipText !is null) return ""; //$NON-NLS-1$ if (headerToolTipHandle is hdr.hwndFrom) { for (int i=0; i<columnCount; i++) { TableColumn column = columns [i]; if (column.id is hdr.idFrom) return column.toolTipText; } } return super.toolTipText (hdr); } void unsubclass () { super.unsubclass (); if (HeaderProc !is 0) { int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); OS.SetWindowLong (hwndHeader, OS.GWL_WNDPROC, HeaderProc); } } void update (bool all) { // checkWidget (); /* * When there are many columns in a table, scrolling performance * can be improved by temporarily unsubclassing the window proc * so that internal messages are dispatched directly to the table. * If the application expects to see a paint event or has a child * whose font, foreground or background color might be needed, * the window proc cannot be unsubclassed. * * NOTE: The header tooltip can subclass the header proc so the * current proc must be restored or header tooltips stop working. */ int oldHeaderProc = 0, oldTableProc = 0; int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); bool fixSubclass = !hasChildren () && !hooks (DWT.Paint) && !filters (DWT.Paint); if (fixSubclass) { oldTableProc = OS.SetWindowLong (handle, OS.GWL_WNDPROC, TableProc); oldHeaderProc = OS.SetWindowLong (hwndHeader, OS.GWL_WNDPROC, HeaderProc); } super.update (all); if (fixSubclass) { OS.SetWindowLong (handle, OS.GWL_WNDPROC, oldTableProc); OS.SetWindowLong (hwndHeader, OS.GWL_WNDPROC, oldHeaderProc); } } void updateHeaderToolTips () { if (headerToolTipHandle is 0) return; int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); RECT rect = new RECT (); TOOLINFO lpti = new TOOLINFO (); lpti.cbSize = TOOLINFO.sizeof; lpti.uFlags = OS.TTF_SUBCLASS; lpti.hwnd = hwndHeader; lpti.lpszText = OS.LPSTR_TEXTCALLBACK; for (int i=0; i<columnCount; i++) { TableColumn column = columns [i]; if (OS.SendMessage (hwndHeader, OS.HDM_GETITEMRECT, i, rect) !is 0) { lpti.uId = column.id = display.nextToolTipId++; lpti.left = rect.left; lpti.top = rect.top; lpti.right = rect.right; lpti.bottom = rect.bottom; OS.SendMessage (headerToolTipHandle, OS.TTM_ADDTOOL, 0, lpti); } } } void updateImages () { if (sortColumn !is null && !sortColumn.isDisposed ()) { if (OS.COMCTL32_MAJOR < 6) { switch (sortDirection) { case DWT.UP: case DWT.DOWN: sortColumn.setImage (display.getSortImage (sortDirection), true, true); break; } } } } void updateMoveable () { int index = 0; while (index < columnCount) { if (columns [index].moveable) break; index++; } int newBits = index < columnCount ? OS.LVS_EX_HEADERDRAGDROP : 0; OS.SendMessage (handle, OS.LVM_SETEXTENDEDLISTVIEWSTYLE, OS.LVS_EX_HEADERDRAGDROP, newBits); } int widgetStyle () { int bits = super.widgetStyle () | OS.LVS_SHAREIMAGELISTS; if ((style & DWT.HIDE_SELECTION) is 0) bits |= OS.LVS_SHOWSELALWAYS; if ((style & DWT.SINGLE) !is 0) bits |= OS.LVS_SINGLESEL; /* * This code is intentionally commented. In the future, * the FLAT bit may be used to make the header flat and * unresponsive to mouse clicks. */ // if ((style & DWT.FLAT) !is 0) bits |= OS.LVS_NOSORTHEADER; bits |= OS.LVS_REPORT | OS.LVS_NOCOLUMNHEADER; if ((style & DWT.VIRTUAL) !is 0) bits |= OS.LVS_OWNERDATA; return bits; } TCHAR windowClass () { return TableClass; } int windowProc () { return TableProc; } int windowProc (int hwnd, int msg, int wParam, int lParam) { if (handle is 0) return 0; if (hwnd !is handle) { switch (msg) { /* This code is intentionally commented */ // case OS.WM_CONTEXTMENU: { // LRESULT result = wmContextMenu (hwnd, wParam, lParam); // if (result !is null) return result.value; // break; // } case OS.WM_CAPTURECHANGED: { /* * Bug in Windows. When the capture changes during a * header drag, Windows does not redraw the header item * such that the header remains pressed. For example, * when focus is assigned to a push button, the mouse is * pressed (but not released), then the SPACE key is * pressed to activate the button, the capture changes, * the header not notified and NM_RELEASEDCAPTURE is not * sent. The fix is to redraw the header when the capture * changes to another control. * * This does not happen on XP. */ if (OS.COMCTL32_MAJOR < 6) { if (lParam !is 0) { int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); if (lParam !is hwndHeader) OS.InvalidateRect (hwndHeader, null, true); } } break; } case OS.WM_MOUSELEAVE: { /* * Bug in Windows. On XP, when a tooltip is hidden * due to a time out or mouse press, the tooltip * remains active although no longer visible and * won't show again until another tooltip becomes * active. The fix is to reset the tooltip bounds. */ if (OS.COMCTL32_MAJOR >= 6) updateHeaderToolTips (); updateHeaderToolTips (); break; } case OS.WM_NOTIFY: { NMHDR hdr = new NMHDR (); OS.MoveMemory (hdr, lParam, NMHDR.sizeof); switch (hdr.code) { case OS.TTN_SHOW: case OS.TTN_POP: case OS.TTN_GETDISPINFOA: case OS.TTN_GETDISPINFOW: return OS.SendMessage (handle, msg, wParam, lParam); } break; } case OS.WM_SETCURSOR: { if (wParam is hwnd) { int hitTest = (short) (lParam & 0xFFFF); if (hitTest is OS.HTCLIENT) { HDHITTESTINFO pinfo = new HDHITTESTINFO (); int pos = OS.GetMessagePos (); POINT pt = new POINT (); pt.x = (short) (pos & 0xFFFF); pt.y = (short) (pos >> 16); OS.ScreenToClient (hwnd, pt); pinfo.x = pt.x; pinfo.y = pt.y; int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); int index = OS.SendMessage (hwndHeader, OS.HDM_HITTEST, 0, pinfo); if (0 <= index && index < columnCount && !columns [index].resizable) { if ((pinfo.flags & (OS.HHT_ONDIVIDER | OS.HHT_ONDIVOPEN)) !is 0) { OS.SetCursor (OS.LoadCursor (0, OS.IDC_ARROW)); return 1; } } } } break; } } return callWindowProc (hwnd, msg, wParam, lParam); } return super.windowProc (hwnd, msg, wParam, lParam); } LRESULT WM_CHAR (int wParam, int lParam) { LRESULT result = super.WM_CHAR (wParam, lParam); if (result !is null) return result; switch (wParam) { case ' ': if ((style & DWT.CHECK) !is 0) { int index = OS.SendMessage (handle, OS.LVM_GETNEXTITEM, -1, OS.LVNI_FOCUSED); if (index !is -1) { TableItem item = _getItem (index); item.setChecked (!item.getChecked (), true); if (!OS.IsWinCE) { OS.NotifyWinEvent (OS.EVENT_OBJECT_FOCUS, handle, OS.OBJID_CLIENT, index + 1); } } } /* * NOTE: Call the window proc with WM_KEYDOWN rather than WM_CHAR * so that the key that was ignored during WM_KEYDOWN is processed. * This allows the application to cancel an operation that is normally * performed in WM_KEYDOWN from WM_CHAR. */ int code = callWindowProc (handle, OS.WM_KEYDOWN, wParam, lParam); return new LRESULT (code); case DWT.CR: /* * Feature in Windows. Windows sends LVN_ITEMACTIVATE from WM_KEYDOWN * instead of WM_CHAR. This means that application code that expects * to consume the key press and therefore avoid a DWT.DefaultSelection * event will fail. The fix is to ignore LVN_ITEMACTIVATE when it is * caused by WM_KEYDOWN and send DWT.DefaultSelection from WM_CHAR. */ int index = OS.SendMessage (handle, OS.LVM_GETNEXTITEM, -1, OS.LVNI_FOCUSED); if (index !is -1) { Event event = new Event (); event.item = _getItem (index); postEvent (DWT.DefaultSelection, event); } return LRESULT.ZERO; } return result; } LRESULT WM_CONTEXTMENU (int wParam, int lParam) { /* * Feature in Windows. For some reason, when the right * mouse button is pressed over an item, Windows sends * a WM_CONTEXTMENU from WM_RBUTTONDOWN, instead of from * WM_RBUTTONUP. This causes two context menus requests * to be sent. The fix is to ignore WM_CONTEXTMENU on * mouse down. * * NOTE: This only happens when dragging is disabled. * When the table is detecting drag, the WM_CONTEXTMENU * is not sent WM_RBUTTONUP. */ if (!display.runDragDrop) return LRESULT.ZERO; return super.WM_CONTEXTMENU (wParam, lParam); } LRESULT WM_ERASEBKGND (int wParam, int lParam) { LRESULT result = super.WM_ERASEBKGND (wParam, lParam); if (findImageControl () !is null) return LRESULT.ONE; if (OS.COMCTL32_MAJOR < 6) { if ((style & DWT.DOUBLE_BUFFERED) !is 0) { int bits = OS.SendMessage (handle, OS.LVM_GETEXTENDEDLISTVIEWSTYLE, 0, 0); if ((bits & OS.LVS_EX_DOUBLEBUFFER) is 0) return LRESULT.ONE; } } return result; } LRESULT WM_GETOBJECT (int wParam, int lParam) { /* * Ensure that there is an accessible object created for this * control because support for checked item accessibility is * temporarily implemented in the accessibility package. */ if ((style & DWT.CHECK) !is 0) { if (accessible is null) accessible = new_Accessible (this); } return super.WM_GETOBJECT (wParam, lParam); } LRESULT WM_KEYDOWN (int wParam, int lParam) { LRESULT result = super.WM_KEYDOWN (wParam, lParam); if (result !is null) return result; switch (wParam) { case OS.VK_SPACE: /* * Ensure that the window proc does not process VK_SPACE * so that it can be handled in WM_CHAR. This allows the * application to cancel an operation that is normally * performed in WM_KEYDOWN from WM_CHAR. */ return LRESULT.ZERO; case OS.VK_ADD: if (OS.GetKeyState (OS.VK_CONTROL) < 0) { int index = 0; while (index < columnCount) { if (!columns [index].getResizable ()) break; index++; } if (index !is columnCount || hooks (DWT.MeasureItem)) { TableColumn [] newColumns = new TableColumn [columnCount]; System.arraycopy (columns, 0, newColumns, 0, columnCount); for (int i=0; i<newColumns.length; i++) { TableColumn column = newColumns [i]; if (!column.isDisposed () && column.getResizable ()) { column.pack (); } } return LRESULT.ZERO; } } break; case OS.VK_PRIOR: case OS.VK_NEXT: case OS.VK_HOME: case OS.VK_END: /* * When there are many columns in a table, scrolling performance * can be improved by temporarily unsubclassing the window proc * so that internal messages are dispatched directly to the table. * If the application expects to see a paint event, the window * proc cannot be unsubclassed or the event will not be seen. * * NOTE: The header tooltip can subclass the header proc so the * current proc must be restored or header tooltips stop working. */ int oldHeaderProc = 0, oldTableProc = 0; int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); bool fixSubclass = !hasChildren () && !hooks (DWT.Paint) && !filters (DWT.Paint); if (fixSubclass) { oldTableProc = OS.SetWindowLong (handle, OS.GWL_WNDPROC, TableProc); oldHeaderProc = OS.SetWindowLong (hwndHeader, OS.GWL_WNDPROC, HeaderProc); } int code = callWindowProc (handle, OS.WM_KEYDOWN, wParam, lParam); result = code is 0 ? LRESULT.ZERO : new LRESULT (code); if (fixSubclass) { OS.SetWindowLong (handle, OS.GWL_WNDPROC, oldTableProc); OS.SetWindowLong (hwndHeader, OS.GWL_WNDPROC, oldHeaderProc); } //FALL THROUGH case OS.VK_UP: case OS.VK_DOWN: OS.SendMessage (handle, OS.WM_CHANGEUISTATE, OS.UIS_INITIALIZE, 0); break; } return result; } LRESULT WM_KILLFOCUS (int wParam, int lParam) { LRESULT result = super.WM_KILLFOCUS (wParam, lParam); /* * Bug in Windows. When focus is lost, Windows does not * redraw the selection properly, leaving the image and * check box appearing selected. The fix is to redraw * the table. */ if (imageList !is null || (style & DWT.CHECK) !is 0) { OS.InvalidateRect (handle, null, false); } return result; } LRESULT WM_LBUTTONDBLCLK (int wParam, int lParam) { /* * Feature in Windows. When the user selects outside of * a table item, Windows deselects all the items, even * when the table is multi-select. While not strictly * wrong, this is unexpected. The fix is to detect the * case and avoid calling the window proc. */ LVHITTESTINFO pinfo = new LVHITTESTINFO (); pinfo.x = (short) (lParam & 0xFFFF); pinfo.y = (short) (lParam >> 16); int index = OS.SendMessage (handle, OS.LVM_HITTEST, 0, pinfo); Display display = this.display; display.captureChanged = false; sendMouseEvent (DWT.MouseDown, 1, handle, OS.WM_LBUTTONDOWN, wParam, lParam); if (!sendMouseEvent (DWT.MouseDoubleClick, 1, handle, OS.WM_LBUTTONDBLCLK, wParam, lParam)) { if (!display.captureChanged && !isDisposed ()) { if (OS.GetCapture () !is handle) OS.SetCapture (handle); } return LRESULT.ZERO; } if (pinfo.iItem !is -1) callWindowProc (handle, OS.WM_LBUTTONDBLCLK, wParam, lParam); if (!display.captureChanged && !isDisposed ()) { if (OS.GetCapture () !is handle) OS.SetCapture (handle); } /* Look for check/uncheck */ if ((style & DWT.CHECK) !is 0) { /* * Note that when the table has LVS_EX_FULLROWSELECT and the * user clicks anywhere on a row except on the check box, all * of the bits are set. The hit test flags are LVHT_ONITEM. * This means that a bit test for LVHT_ONITEMSTATEICON is not * the correct way to determine that the user has selected * the check box, equality is needed. */ if (index !is -1 && pinfo.flags is OS.LVHT_ONITEMSTATEICON) { TableItem item = _getItem (index); item.setChecked (!item.getChecked (), true); if (!OS.IsWinCE) { OS.NotifyWinEvent (OS.EVENT_OBJECT_FOCUS, handle, OS.OBJID_CLIENT, index + 1); } } } return LRESULT.ZERO; } LRESULT WM_LBUTTONDOWN (int wParam, int lParam) { /* * Feature in Windows. For some reason, capturing * the mouse after processing the mouse event for the * widget interferes with the normal mouse processing * for the widget. The fix is to avoid the automatic * mouse capture. */ LRESULT result = sendMouseDownEvent (DWT.MouseDown, 1, OS.WM_LBUTTONDOWN, wParam, lParam); if (result is LRESULT.ZERO) return result; /* Look for check/uncheck */ if ((style & DWT.CHECK) !is 0) { LVHITTESTINFO pinfo = new LVHITTESTINFO (); pinfo.x = (short) (lParam & 0xFFFF); pinfo.y = (short) (lParam >> 16); /* * Note that when the table has LVS_EX_FULLROWSELECT and the * user clicks anywhere on a row except on the check box, all * of the bits are set. The hit test flags are LVHT_ONITEM. * This means that a bit test for LVHT_ONITEMSTATEICON is not * the correct way to determine that the user has selected * the check box, equality is needed. */ int index = OS.SendMessage (handle, OS.LVM_HITTEST, 0, pinfo); if (index !is -1 && pinfo.flags is OS.LVHT_ONITEMSTATEICON) { TableItem item = _getItem (index); item.setChecked (!item.getChecked (), true); if (!OS.IsWinCE) { OS.NotifyWinEvent (OS.EVENT_OBJECT_FOCUS, handle, OS.OBJID_CLIENT, index + 1); } } } return result; } LRESULT WM_MOUSEHOVER (int wParam, int lParam) { /* * Feature in Windows. Despite the fact that hot * tracking is not enabled, the hot tracking code * in WM_MOUSEHOVER is executed causing the item * under the cursor to be selected. The fix is to * avoid calling the window proc. */ LRESULT result = super.WM_MOUSEHOVER (wParam, lParam); int bits = OS.SendMessage (handle, OS.LVM_GETEXTENDEDLISTVIEWSTYLE, 0, 0); int mask = OS.LVS_EX_ONECLICKACTIVATE | OS.LVS_EX_TRACKSELECT | OS.LVS_EX_TWOCLICKACTIVATE; if ((bits & mask) !is 0) return result; return LRESULT.ZERO; } LRESULT WM_PAINT (int wParam, int lParam) { if (!ignoreShrink) { /* Resize the item array to match the item count */ int count = OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0); if (items.length > 4 && items.length - count > 3) { int length = Math.max (4, (count + 3) / 4 * 4); TableItem [] newItems = new TableItem [length]; System.arraycopy (items, 0, newItems, 0, count); items = newItems; } } if (fixScrollWidth) setScrollWidth (null, true); if (OS.COMCTL32_MAJOR < 6) { if ((style & DWT.DOUBLE_BUFFERED) !is 0 || findImageControl () !is null) { int bits = OS.SendMessage (handle, OS.LVM_GETEXTENDEDLISTVIEWSTYLE, 0, 0); if ((bits & OS.LVS_EX_DOUBLEBUFFER) is 0) { GC gc = null; int paintDC = 0; PAINTSTRUCT ps = new PAINTSTRUCT (); bool hooksPaint = hooks (DWT.Paint); if (hooksPaint) { GCData data = new GCData (); data.ps = ps; data.hwnd = handle; gc = GC.win32_new (this, data); paintDC = gc.handle; } else { paintDC = OS.BeginPaint (handle, ps); } int width = ps.right - ps.left; int height = ps.bottom - ps.top; if (width !is 0 && height !is 0) { int hDC = OS.CreateCompatibleDC (paintDC); POINT lpPoint1 = new POINT (), lpPoint2 = new POINT (); OS.SetWindowOrgEx (hDC, ps.left, ps.top, lpPoint1); OS.SetBrushOrgEx (hDC, ps.left, ps.top, lpPoint2); int hBitmap = OS.CreateCompatibleBitmap (paintDC, width, height); int hOldBitmap = OS.SelectObject (hDC, hBitmap); if (OS.SendMessage (handle, OS.LVM_GETBKCOLOR, 0, 0) !is OS.CLR_NONE) { RECT rect = new RECT (); OS.SetRect (rect, ps.left, ps.top, ps.right, ps.bottom); drawBackground (hDC, rect); } callWindowProc (handle, OS.WM_PAINT, hDC, 0); OS.SetWindowOrgEx (hDC, lpPoint1.x, lpPoint1.y, null); OS.SetBrushOrgEx (hDC, lpPoint2.x, lpPoint2.y, null); OS.BitBlt (paintDC, ps.left, ps.top, width, height, hDC, 0, 0, OS.SRCCOPY); OS.SelectObject (hDC, hOldBitmap); OS.DeleteObject (hBitmap); OS.DeleteObject (hDC); if (hooksPaint) { Event event = new Event (); event.gc = gc; event.x = ps.left; event.y = ps.top; event.width = ps.right - ps.left; event.height = ps.bottom - ps.top; sendEvent (DWT.Paint, event); // widget could be disposed at this point event.gc = null; } } if (hooksPaint) { gc.dispose (); } else { OS.EndPaint (handle, ps); } return LRESULT.ZERO; } } } return super.WM_PAINT (wParam, lParam); } LRESULT WM_RBUTTONDBLCLK (int wParam, int lParam) { /* * Feature in Windows. When the user selects outside of * a table item, Windows deselects all the items, even * when the table is multi-select. While not strictly * wrong, this is unexpected. The fix is to detect the * case and avoid calling the window proc. */ LVHITTESTINFO pinfo = new LVHITTESTINFO (); pinfo.x = (short) (lParam & 0xFFFF); pinfo.y = (short) (lParam >> 16); OS.SendMessage (handle, OS.LVM_HITTEST, 0, pinfo); Display display = this.display; display.captureChanged = false; sendMouseEvent (DWT.MouseDown, 3, handle, OS.WM_RBUTTONDOWN, wParam, lParam); if (sendMouseEvent (DWT.MouseDoubleClick, 3, handle, OS.WM_RBUTTONDBLCLK, wParam, lParam)) { if (pinfo.iItem !is -1) callWindowProc (handle, OS.WM_RBUTTONDBLCLK, wParam, lParam); } if (!display.captureChanged && !isDisposed ()) { if (OS.GetCapture () !is handle) OS.SetCapture (handle); } return LRESULT.ZERO; } LRESULT WM_RBUTTONDOWN (int wParam, int lParam) { /* * Feature in Windows. For some reason, capturing * the mouse after processing the mouse event for the * widget interferes with the normal mouse processing * for the widget. The fix is to avoid the automatic * mouse capture. */ return sendMouseDownEvent (DWT.MouseDown, 3, OS.WM_RBUTTONDOWN, wParam, lParam); } LRESULT WM_SETFOCUS (int wParam, int lParam) { LRESULT result = super.WM_SETFOCUS (wParam, lParam); /* * Bug in Windows. When focus is gained after the * selection has been changed using LVM_SETITEMSTATE, * Windows redraws the selected text but does not * redraw the image or the check box, leaving them * appearing unselected. The fix is to redraw * the table. */ if (imageList !is null || (style & DWT.CHECK) !is 0) { OS.InvalidateRect (handle, null, false); } /* * Bug in Windows. For some reason, the table does * not set the default focus rectangle to be the first * item in the table when it gets focus and there is * no selected item. The fix to make the first item * be the focus item. */ int count = OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0); if (count is 0) return result; int index = OS.SendMessage (handle, OS.LVM_GETNEXTITEM, -1, OS.LVNI_FOCUSED); if (index is -1) { LVITEM lvItem = new LVITEM (); lvItem.state = OS.LVIS_FOCUSED; lvItem.stateMask = OS.LVIS_FOCUSED; ignoreSelect = true; OS.SendMessage (handle, OS.LVM_SETITEMSTATE, 0, lvItem); ignoreSelect = false; } return result; } LRESULT WM_SETFONT (int wParam, int lParam) { LRESULT result = super.WM_SETFONT (wParam, lParam); if (result !is null) return result; /* * Bug in Windows. When a header has a sort indicator * triangle, Windows resizes the indicator based on the * size of the n-1th font. The fix is to always make * the n-1th font be the default. This makes the sort * indicator always be the default size. * * NOTE: The table window proc sets the actual font in * the header so that all that is necessary here is to * set the default first. */ int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); OS.SendMessage (hwndHeader, OS.WM_SETFONT, 0, lParam); if (headerToolTipHandle !is 0) { OS.SendMessage (headerToolTipHandle, OS.WM_SETFONT, wParam, lParam); } return result; } LRESULT WM_SIZE (int wParam, int lParam) { if (ignoreResize) return null; if (hooks (DWT.EraseItem) || hooks (DWT.PaintItem)) { OS.InvalidateRect (handle, null, true); } if (resizeCount !is 0) { wasResized = true; return null; } return super.WM_SIZE (wParam, lParam); } LRESULT WM_SYSCOLORCHANGE (int wParam, int lParam) { LRESULT result = super.WM_SYSCOLORCHANGE (wParam, lParam); if (result !is null) return result; if (findBackgroundControl () is null) { setBackgroundPixel (defaultBackground ()); } else { if ((style & DWT.CHECK) !is 0) { fixCheckboxImageListColor (true); } } return result; } LRESULT WM_HSCROLL (int wParam, int lParam) { /* * Bug in Windows. When a table that is drawing grid lines * is slowly scrolled horizontally to the left, the table does * not redraw the newly exposed vertical grid lines. The fix * is to save the old scroll position, call the window proc, * get the new scroll position and redraw the new area. */ int oldPos = 0; int bits = OS.SendMessage (handle, OS.LVM_GETEXTENDEDLISTVIEWSTYLE, 0, 0); if ((bits & OS.LVS_EX_GRIDLINES) !is 0) { SCROLLINFO info = new SCROLLINFO (); info.cbSize = SCROLLINFO.sizeof; info.fMask = OS.SIF_POS; OS.GetScrollInfo (handle, OS.SB_HORZ, info); oldPos = info.nPos; } /* * When there are many columns in a table, scrolling performance * can be improved by temporarily unsubclassing the window proc * so that internal messages are dispatched directly to the table. * If the application expects to see a paint event or has a child * whose font, foreground or background color might be needed, * the window proc cannot be unsubclassed * * NOTE: The header tooltip can subclass the header proc so the * current proc must be restored or header tooltips stop working. */ int oldHeaderProc = 0, oldTableProc = 0; int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); bool fixSubclass = !hasChildren () && !hooks (DWT.Paint) && !filters (DWT.Paint); if (fixSubclass) { oldTableProc = OS.SetWindowLong (handle, OS.GWL_WNDPROC, TableProc); oldHeaderProc = OS.SetWindowLong (hwndHeader, OS.GWL_WNDPROC, HeaderProc); } LRESULT result = super.WM_HSCROLL (wParam, lParam); if (fixSubclass) { OS.SetWindowLong (handle, OS.GWL_WNDPROC, oldTableProc); OS.SetWindowLong (hwndHeader, OS.GWL_WNDPROC, oldHeaderProc); } /* * Bug in Windows. When a table that is drawing grid lines * is slowly scrolled horizontally to the left, the table does * not redraw the newly exposed vertical grid lines. The fix * is to save the old scroll position, call the window proc, * get the new scroll position and redraw the new area. */ if ((bits & OS.LVS_EX_GRIDLINES) !is 0) { SCROLLINFO info = new SCROLLINFO (); info.cbSize = SCROLLINFO.sizeof; info.fMask = OS.SIF_POS; OS.GetScrollInfo (handle, OS.SB_HORZ, info); int newPos = info.nPos; if (newPos < oldPos) { RECT rect = new RECT (); OS.GetClientRect (handle, rect); rect.right = oldPos - newPos + GRID_WIDTH; OS.InvalidateRect (handle, rect, true); } } return result; } LRESULT WM_VSCROLL (int wParam, int lParam) { /* * When there are many columns in a table, scrolling performance * can be improved by temporarily unsubclassing the window proc * so that internal messages are dispatched directly to the table. * If the application expects to see a paint event or has a child * whose font, foreground or background color might be needed, * the window proc cannot be unsubclassed. * * NOTE: The header tooltip can subclass the header proc so the * current proc must be restored or header tooltips stop working. */ int oldHeaderProc = 0, oldTableProc = 0; int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); bool fixSubclass = !hasChildren () && !hooks (DWT.Paint) && !filters (DWT.Paint); if (fixSubclass) { oldTableProc = OS.SetWindowLong (handle, OS.GWL_WNDPROC, TableProc); oldHeaderProc = OS.SetWindowLong (hwndHeader, OS.GWL_WNDPROC, HeaderProc); } LRESULT result = super.WM_VSCROLL (wParam, lParam); if (fixSubclass) { OS.SetWindowLong (handle, OS.GWL_WNDPROC, oldTableProc); OS.SetWindowLong (hwndHeader, OS.GWL_WNDPROC, oldHeaderProc); } /* * Bug in Windows. When a table is drawing grid lines and the * user scrolls vertically up or down by a line or a page, the * table does not redraw the grid lines for newly exposed items. * The fix is to invalidate the items. */ int bits = OS.SendMessage (handle, OS.LVM_GETEXTENDEDLISTVIEWSTYLE, 0, 0); if ((bits & OS.LVS_EX_GRIDLINES) !is 0) { int code = wParam & 0xFFFF; switch (code) { case OS.SB_ENDSCROLL: case OS.SB_THUMBPOSITION: case OS.SB_THUMBTRACK: case OS.SB_TOP: case OS.SB_BOTTOM: break; case OS.SB_LINEDOWN: case OS.SB_LINEUP: RECT rect = new RECT (); OS.GetWindowRect (hwndHeader, rect); int headerHeight = rect.bottom - rect.top; RECT clientRect = new RECT (); OS.GetClientRect (handle, clientRect); clientRect.top += headerHeight; int empty = OS.SendMessage (handle, OS.LVM_APPROXIMATEVIEWRECT, 0, 0); int oneItem = OS.SendMessage (handle, OS.LVM_APPROXIMATEVIEWRECT, 1, 0); int itemHeight = (oneItem >> 16) - (empty >> 16); if (code is OS.SB_LINEDOWN) { clientRect.top = clientRect.bottom - itemHeight - GRID_WIDTH; } else { clientRect.bottom = clientRect.top + itemHeight + GRID_WIDTH; } OS.InvalidateRect (handle, clientRect, true); break; case OS.SB_PAGEDOWN: case OS.SB_PAGEUP: OS.InvalidateRect (handle, null, true); break; } } return result; } LRESULT wmMeasureChild (int wParam, int lParam) { MEASUREITEMSTRUCT struct = new MEASUREITEMSTRUCT (); OS.MoveMemory (struct, lParam, MEASUREITEMSTRUCT.sizeof); if (itemHeight is -1) { int empty = OS.SendMessage (handle, OS.LVM_APPROXIMATEVIEWRECT, 0, 0); int oneItem = OS.SendMessage (handle, OS.LVM_APPROXIMATEVIEWRECT, 1, 0); struct.itemHeight = (oneItem >> 16) - (empty >> 16); } else { struct.itemHeight = itemHeight; } OS.MoveMemory (lParam, struct, MEASUREITEMSTRUCT.sizeof); return null; } LRESULT wmNotify (NMHDR hdr, int wParam, int lParam) { int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); if (hdr.hwndFrom is hwndHeader) { /* * Feature in Windows. On NT, the automatically created * header control is created as a UNICODE window, not an * ANSI window despite the fact that the parent is created * as an ANSI window. This means that it sends UNICODE * notification messages to the parent window on NT for * no good reason. The data and size in the NMHEADER and * HDITEM structs is identical between the platforms so no * different message is actually necessary. Despite this, * Windows sends different messages. The fix is to look * for both messages, despite the platform. This works * because only one will be sent on either platform, never * both. */ switch (hdr.code) { case OS.HDN_BEGINTRACKW: case OS.HDN_BEGINTRACKA: case OS.HDN_DIVIDERDBLCLICKW: case OS.HDN_DIVIDERDBLCLICKA: { if (columnCount is 0) return LRESULT.ONE; NMHEADER phdn = new NMHEADER (); OS.MoveMemory (phdn, lParam, NMHEADER.sizeof); TableColumn column = columns [phdn.iItem]; if (column !is null && !column.getResizable ()) { return LRESULT.ONE; } ignoreColumnMove = true; switch (hdr.code) { case OS.HDN_DIVIDERDBLCLICKW: case OS.HDN_DIVIDERDBLCLICKA: /* * Bug in Windows. When the first column of a table does not * have an image and the user double clicks on the divider, * Windows packs the column but does not take into account * the empty space left for the image. The fix is to measure * each items ourselves rather than letting Windows do it. */ bool fixPack = phdn.iItem is 0 && !firstColumnImage; if (column !is null && (fixPack || hooks (DWT.MeasureItem))) { column.pack (); return LRESULT.ONE; } } break; } case OS.NM_RELEASEDCAPTURE: { if (!ignoreColumnMove) { for (int i=0; i<columnCount; i++) { TableColumn column = columns [i]; column.updateToolTip (i); } } ignoreColumnMove = false; break; } case OS.HDN_BEGINDRAG: { if (ignoreColumnMove) return LRESULT.ONE; int bits = OS.SendMessage (handle, OS.LVM_GETEXTENDEDLISTVIEWSTYLE, 0, 0); if ((bits & OS.LVS_EX_HEADERDRAGDROP) is 0) break; if (columnCount is 0) return LRESULT.ONE; NMHEADER phdn = new NMHEADER (); OS.MoveMemory (phdn, lParam, NMHEADER.sizeof); if (phdn.iItem !is -1) { TableColumn column = columns [phdn.iItem]; if (column !is null && !column.getMoveable ()) { ignoreColumnMove = true; return LRESULT.ONE; } } break; } case OS.HDN_ENDDRAG: { int bits = OS.SendMessage (handle, OS.LVM_GETEXTENDEDLISTVIEWSTYLE, 0, 0); if ((bits & OS.LVS_EX_HEADERDRAGDROP) is 0) break; NMHEADER phdn = new NMHEADER (); OS.MoveMemory (phdn, lParam, NMHEADER.sizeof); if (phdn.iItem !is -1 && phdn.pitem !is 0) { HDITEM pitem = new HDITEM (); OS.MoveMemory (pitem, phdn.pitem, HDITEM.sizeof); if ((pitem.mask & OS.HDI_ORDER) !is 0 && pitem.iOrder !is -1) { if (columnCount is 0) break; int [] order = new int [columnCount]; OS.SendMessage (handle, OS.LVM_GETCOLUMNORDERARRAY, columnCount, order); int index = 0; while (index < order.length) { if (order [index] is phdn.iItem) break; index++; } if (index is order.length) index = 0; if (index is pitem.iOrder) break; int start = Math.min (index, pitem.iOrder); int end = Math.max (index, pitem.iOrder); ignoreColumnMove = false; for (int i=start; i<=end; i++) { TableColumn column = columns [order [i]]; if (!column.isDisposed ()) { column.postEvent (DWT.Move); } } } } break; } case OS.HDN_ITEMCHANGEDW: case OS.HDN_ITEMCHANGEDA: { /* * Bug in Windows. When a table has the LVS_EX_GRIDLINES extended * style and the user drags any column over the first column in the * table, making the size become zero, when the user drags a column * such that the size of the first column becomes non-zero, the grid * lines are not redrawn. The fix is to detect the case and force * a redraw of the first column. */ int width = OS.SendMessage (handle, OS.LVM_GETCOLUMNWIDTH, 0, 0); if (lastWidth is 0 && width > 0) { int bits = OS.SendMessage (handle, OS.LVM_GETEXTENDEDLISTVIEWSTYLE, 0, 0); if ((bits & OS.LVS_EX_GRIDLINES) !is 0) { RECT rect = new RECT (); OS.GetClientRect (handle, rect); rect.right = rect.left + width; OS.InvalidateRect (handle, rect, true); } } lastWidth = width; if (!ignoreColumnResize) { NMHEADER phdn = new NMHEADER (); OS.MoveMemory (phdn, lParam, NMHEADER.sizeof); if (phdn.pitem !is 0) { HDITEM pitem = new HDITEM (); OS.MoveMemory (pitem, phdn.pitem, HDITEM.sizeof); if ((pitem.mask & OS.HDI_WIDTH) !is 0) { TableColumn column = columns [phdn.iItem]; if (column !is null) { column.updateToolTip (phdn.iItem); column.sendEvent (DWT.Resize); if (isDisposed ()) return LRESULT.ZERO; /* * It is possible (but unlikely), that application * code could have disposed the column in the move * event. If this happens, process the move event * for those columns that have not been destroyed. */ TableColumn [] newColumns = new TableColumn [columnCount]; System.arraycopy (columns, 0, newColumns, 0, columnCount); int [] order = new int [columnCount]; OS.SendMessage (handle, OS.LVM_GETCOLUMNORDERARRAY, columnCount, order); bool moved = false; for (int i=0; i<columnCount; i++) { TableColumn nextColumn = newColumns [order [i]]; if (moved && !nextColumn.isDisposed ()) { nextColumn.updateToolTip (order [i]); nextColumn.sendEvent (DWT.Move); } if (nextColumn is column) moved = true; } } } } } break; } case OS.HDN_ITEMDBLCLICKW: case OS.HDN_ITEMDBLCLICKA: { NMHEADER phdn = new NMHEADER (); OS.MoveMemory (phdn, lParam, NMHEADER.sizeof); TableColumn column = columns [phdn.iItem]; if (column !is null) { column.postEvent (DWT.DefaultSelection); } break; } } } LRESULT result = super.wmNotify (hdr, wParam, lParam); if (result !is null) return result; switch (hdr.code) { case OS.TTN_GETDISPINFOA: case OS.TTN_GETDISPINFOW: { tipRequested = true; int code = callWindowProc (handle, OS.WM_NOTIFY, wParam, lParam); tipRequested = false; return new LRESULT (code); } } return result; } LRESULT wmNotifyChild (NMHDR hdr, int wParam, int lParam) { switch (hdr.code) { case OS.LVN_ODFINDITEMA: case OS.LVN_ODFINDITEMW: { if ((style & DWT.VIRTUAL) !is 0) return new LRESULT (-1); break; } case OS.LVN_ODSTATECHANGED: { if ((style & DWT.VIRTUAL) !is 0) { if (!ignoreSelect) { NMLVODSTATECHANGE lpStateChange = new NMLVODSTATECHANGE (); OS.MoveMemory (lpStateChange, lParam, NMLVODSTATECHANGE.sizeof); bool oldSelected = (lpStateChange.uOldState & OS.LVIS_SELECTED) !is 0; bool newSelected = (lpStateChange.uNewState & OS.LVIS_SELECTED) !is 0; if (oldSelected !is newSelected) wasSelected = true; } } break; } case OS.LVN_GETDISPINFOA: case OS.LVN_GETDISPINFOW: { // if (drawCount !is 0 || !OS.IsWindowVisible (handle)) break; NMLVDISPINFO plvfi = new NMLVDISPINFO (); OS.MoveMemory (plvfi, lParam, NMLVDISPINFO.sizeof); /* * When an item is being deleted from a virtual table, do not * allow the application to provide data for a new item that * becomes visible until the item has been removed from the * items array. Because arbitrary application code can run * during the callback, the items array might be accessed * in an inconsistent state. Rather than answering the data * right away, queue a redraw for later. */ if ((style & DWT.VIRTUAL) !is 0) { if (ignoreShrink) { OS.SendMessage (handle, OS.LVM_REDRAWITEMS, plvfi.iItem, plvfi.iItem); break; } } /* * Feature in Windows. When a new table item is inserted * using LVM_INSERTITEM in a table that is transparent * (ie. LVM_SETBKCOLOR has been called with CLR_NONE), * TVM_INSERTITEM calls LVN_GETDISPINFO before the item * has been added to the array. The fix is to check for * null. */ TableItem item = _getItem (plvfi.iItem); if (item is null) break; /* * The cached flag is used by both virtual and non-virtual * tables to indicate that Windows has asked at least once * for a table item. */ if (!item.cached) { if ((style & DWT.VIRTUAL) !is 0) { lastIndexOf = plvfi.iItem; if (!checkData (item, lastIndexOf, false)) break; TableItem newItem = fixScrollWidth ? null : item; if (setScrollWidth (newItem, true)) { OS.InvalidateRect (handle, null, true); } } item.cached = true; } if ((plvfi.mask & OS.LVIF_TEXT) !is 0) { String string = null; if (plvfi.iSubItem is 0) { string = item.text; } else { String [] strings = item.strings; if (strings !is null) string = strings [plvfi.iSubItem]; } if (string !is null) { /* * Bug in Windows. When pszText points to a zero length * NULL terminated string, Windows correctly draws the * empty string but the cache of the bounds for the item * is not reset. This means that when the text for the * item is set and then reset to an empty string, the * selection draws using the bounds of the previous text. * The fix is to use a space rather than an empty string * when anything but a tool tip is requested (to avoid * a tool tip that is a single space). * * NOTE: This is only a problem for items in the first * column. Assigning NULL to other columns stops Windows * from drawing the selection when LVS_EX_FULLROWSELECT * is set. */ int length = Math.min (string.length (), plvfi.cchTextMax - 1); if (!tipRequested && plvfi.iSubItem is 0 && length is 0) { string = " "; //$NON-NLS-1$ length = 1; } char [] buffer = display.tableBuffer; if (buffer is null || plvfi.cchTextMax > buffer.length) { buffer = display.tableBuffer = new char [plvfi.cchTextMax]; } string.getChars (0, length, buffer, 0); buffer [length++] = 0; if (OS.IsUnicode) { OS.MoveMemory (plvfi.pszText, buffer, length * 2); } else { OS.WideCharToMultiByte (getCodePage (), 0, buffer, length, plvfi.pszText, plvfi.cchTextMax, null, null); OS.MoveMemory (plvfi.pszText + plvfi.cchTextMax - 1, new byte [1], 1); } } } bool move = false; if ((plvfi.mask & OS.LVIF_IMAGE) !is 0) { Image image = null; if (plvfi.iSubItem is 0) { image = item.image; } else { Image [] images = item.images; if (images !is null) image = images [plvfi.iSubItem]; } if (image !is null) { plvfi.iImage = imageIndex (image, plvfi.iSubItem); move = true; } } if ((plvfi.mask & OS.LVIF_STATE) !is 0) { if (plvfi.iSubItem is 0) { int state = 1; if (item.checked) state++; if (item.grayed) state +=2; plvfi.state = state << 12; plvfi.stateMask = OS.LVIS_STATEIMAGEMASK; move = true; } } if ((plvfi.mask & OS.LVIF_INDENT) !is 0) { if (plvfi.iSubItem is 0) { plvfi.iIndent = item.imageIndent; move = true; } } if (move) OS.MoveMemory (lParam, plvfi, NMLVDISPINFO.sizeof); break; } case OS.NM_CUSTOMDRAW: { int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); if (hdr.hwndFrom is hwndHeader) break; if (!customDraw && findImageControl () is null) { /* * Feature in Windows. When the table is disabled, it draws * with a gray background but does not gray the text. The fix * is to explicitly gray the text using Custom Draw. */ if (OS.IsWindowEnabled (handle)) { /* * Feature in Windows. On Vista using the explorer theme, * Windows draws a vertical line to separate columns. When * there is only a single column, the line looks strange. * The fix is to draw the background using custom draw. */ if (!explorerTheme || columnCount !is 0) break; } } NMLVCUSTOMDRAW nmcd = new NMLVCUSTOMDRAW (); OS.MoveMemory (nmcd, lParam, NMLVCUSTOMDRAW.sizeof); switch (nmcd.dwDrawStage) { case OS.CDDS_PREPAINT: return CDDS_PREPAINT (nmcd, wParam, lParam); case OS.CDDS_ITEMPREPAINT: return CDDS_ITEMPREPAINT (nmcd, wParam, lParam); case OS.CDDS_ITEMPOSTPAINT: return CDDS_ITEMPOSTPAINT (nmcd, wParam, lParam); case OS.CDDS_SUBITEMPREPAINT: return CDDS_SUBITEMPREPAINT (nmcd, wParam, lParam); case OS.CDDS_SUBITEMPOSTPAINT: return CDDS_SUBITEMPOSTPAINT (nmcd, wParam, lParam); case OS.CDDS_POSTPAINT: return CDDS_POSTPAINT (nmcd, wParam, lParam); } break; } case OS.LVN_MARQUEEBEGIN: { if ((style & DWT.SINGLE) !is 0) return LRESULT.ONE; if (hooks (DWT.MouseDown) || hooks (DWT.MouseUp)) { return LRESULT.ONE; } break; } case OS.LVN_BEGINDRAG: case OS.LVN_BEGINRDRAG: { dragStarted = true; if (hdr.code is OS.LVN_BEGINDRAG) { int pos = OS.GetMessagePos (); POINT pt = new POINT (); pt.x = (short) (pos & 0xFFFF); pt.y = (short) (pos >> 16); OS.ScreenToClient (handle, pt); sendDragEvent (1, pt.x, pt.y); } break; } case OS.LVN_COLUMNCLICK: { NMLISTVIEW pnmlv = new NMLISTVIEW (); OS.MoveMemory(pnmlv, lParam, NMLISTVIEW.sizeof); TableColumn column = columns [pnmlv.iSubItem]; if (column !is null) { column.postEvent (DWT.Selection); } break; } case OS.LVN_ITEMACTIVATE: { if (ignoreActivate) break; NMLISTVIEW pnmlv = new NMLISTVIEW (); OS.MoveMemory(pnmlv, lParam, NMLISTVIEW.sizeof); if (pnmlv.iItem !is -1) { Event event = new Event (); event.item = _getItem (pnmlv.iItem); postEvent (DWT.DefaultSelection, event); } break; } case OS.LVN_ITEMCHANGED: { if (!ignoreSelect) { NMLISTVIEW pnmlv = new NMLISTVIEW (); OS.MoveMemory (pnmlv, lParam, NMLISTVIEW.sizeof); if ((pnmlv.uChanged & OS.LVIF_STATE) !is 0) { if (pnmlv.iItem is -1) { wasSelected = true; } else { bool oldSelected = (pnmlv.uOldState & OS.LVIS_SELECTED) !is 0; bool newSelected = (pnmlv.uNewState & OS.LVIS_SELECTED) !is 0; if (oldSelected !is newSelected) wasSelected = true; } } } if (hooks (DWT.EraseItem) || hooks (DWT.PaintItem)) { int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0); int count = OS.SendMessage (hwndHeader, OS.HDM_GETITEMCOUNT, 0, 0); if (count !is 0) { forceResize (); RECT rect = new RECT (); OS.GetClientRect (handle, rect); NMLISTVIEW pnmlv = new NMLISTVIEW (); OS.MoveMemory (pnmlv, lParam, NMLISTVIEW.sizeof); if (pnmlv.iItem !is -1) { RECT itemRect = new RECT (); itemRect.left = OS.LVIR_BOUNDS; ignoreCustomDraw = true; OS.SendMessage (handle, OS. LVM_GETITEMRECT, pnmlv.iItem, itemRect); ignoreCustomDraw = false; RECT headerRect = new RECT (); int index = OS.SendMessage (hwndHeader, OS.HDM_ORDERTOINDEX, count - 1, 0); OS.SendMessage (hwndHeader, OS.HDM_GETITEMRECT, index, headerRect); OS.MapWindowPoints (hwndHeader, handle, headerRect, 2); rect.left = headerRect.right; rect.top = itemRect.top; rect.bottom = itemRect.bottom; OS.InvalidateRect (handle, rect, true); } } } break; } case OS.NM_RECOGNIZEGESTURE: /* * Feature on Pocket PC. The tree and table controls detect the tap * and hold gesture by default. They send a GN_CONTEXTMENU message to show * the popup menu. This default behaviour is unwanted on Pocket PC 2002 * when no menu has been set, as it still draws a red circle. The fix * is to disable this default behaviour when no menu is set by returning * TRUE when receiving the Pocket PC 2002 specific NM_RECOGNIZEGESTURE * message. */ if (OS.IsPPC) { bool hasMenu = menu !is null && !menu.isDisposed (); if (!hasMenu && !hooks (DWT.MenuDetect)) return LRESULT.ONE; } break; case OS.GN_CONTEXTMENU: if (OS.IsPPC) { bool hasMenu = menu !is null && !menu.isDisposed (); if (hasMenu || hooks (DWT.MenuDetect)) { NMRGINFO nmrg = new NMRGINFO (); OS.MoveMemory (nmrg, lParam, NMRGINFO.sizeof); showMenu (nmrg.x, nmrg.y); return LRESULT.ONE; } } break; } return super.wmNotifyChild (hdr, wParam, lParam); } } ++/