Mercurial > projects > dwt-win
view dwt/widgets/TableColumn.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.TableColumn; import dwt.widgets.Item; import dwt.widgets.Widget; class TableColumn : Item { public this (Widget parent, int style) { super (parent, style); } } /++ import dwt.DWT; import dwt.DWTException; import dwt.events.ControlListener; import dwt.events.SelectionEvent; import dwt.events.SelectionListener; import dwt.graphics.Image; import dwt.graphics.Rectangle; import dwt.internal.win32.HDITEM; import dwt.internal.win32.LVCOLUMN; import dwt.internal.win32.OS; import dwt.internal.win32.RECT; import dwt.internal.win32.TCHAR; import dwt.internal.win32.TOOLINFO; /** * Instances of this class represent a column in a table widget. * <p><dl> * <dt><b>Styles:</b></dt> * <dd>LEFT, RIGHT, CENTER</dd> * <dt><b>Events:</b></dt> * <dd> Move, Resize, Selection</dd> * </dl> * </p><p> * Note: Only one of the styles LEFT, RIGHT and CENTER may be specified. * </p><p> * IMPORTANT: This class is <em>not</em> intended to be subclassed. * </p> */ public class TableColumn extends Item { Table parent; bool resizable, moveable; String toolTipText; int id; /** * Constructs a new instance of this class given its parent * (which must be a <code>Table</code>) and a style value * describing its behavior and appearance. The item is added * to the end of the items maintained by its parent. * <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#LEFT * @see DWT#RIGHT * @see DWT#CENTER * @see Widget#checkSubclass * @see Widget#getStyle */ public TableColumn (Table parent, int style) { super (parent, checkStyle (style)); resizable = true; this.parent = parent; parent.createItem (this, parent.getColumnCount ()); } /** * Constructs a new instance of this class given its parent * (which must be a <code>Table</code>), a style value * describing its behavior and appearance, and the index * at which to place it in the items maintained by its parent. * <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 * @param index the zero-relative index to store the receiver in its parent * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the parent (inclusive)</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#LEFT * @see DWT#RIGHT * @see DWT#CENTER * @see Widget#checkSubclass * @see Widget#getStyle */ public TableColumn (Table parent, int style, int index) { super (parent, checkStyle (style)); resizable = true; this.parent = parent; parent.createItem (this, index); } /** * Adds the listener to the collection of listeners who will * be notified when the control is moved or resized, by sending * it one of the messages defined in the <code>ControlListener</code> * interface. * * @param listener the listener which should 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 ControlListener * @see #removeControlListener */ public void addControlListener(ControlListener listener) { checkWidget (); if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); TypedListener typedListener = new TypedListener (listener); addListener (DWT.Resize,typedListener); addListener (DWT.Move,typedListener); } /** * Adds the listener to the collection of listeners who will * be notified when the control is selected by the user, by sending * it one of the messages defined in the <code>SelectionListener</code> * interface. * <p> * <code>widgetSelected</code> is called when the column header is selected. * <code>widgetDefaultSelected</code> is not called. * </p> * * @param listener the listener which should be notified when the control is selected by the user * * @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); } static int checkStyle (int style) { return checkBits (style, DWT.LEFT, DWT.CENTER, DWT.RIGHT, 0, 0, 0); } protected void checkSubclass () { if (!isValidSubclass ()) error (DWT.ERROR_INVALID_SUBCLASS); } void destroyWidget () { parent.destroyItem (this); releaseHandle (); } /** * Returns a value which describes the position of the * text or image in the receiver. The value will be one of * <code>LEFT</code>, <code>RIGHT</code> or <code>CENTER</code>. * * @return the alignment * * @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 getAlignment () { checkWidget (); if ((style & DWT.LEFT) !is 0) return DWT.LEFT; if ((style & DWT.CENTER) !is 0) return DWT.CENTER; if ((style & DWT.RIGHT) !is 0) return DWT.RIGHT; return DWT.LEFT; } String getNameText () { return getText (); } /** * Returns the receiver's parent, which must be a <code>Table</code>. * * @return the receiver's parent * * @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 Table getParent () { checkWidget (); return parent; } /** * Gets the moveable attribute. A column that is * not moveable cannot be reordered by the user * by dragging the header but may be reordered * by the programmer. * * @return the moveable attribute * * @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#setMoveable(bool) * @see DWT#Move * * @since 3.1 */ public bool getMoveable () { checkWidget (); return moveable; } /** * Gets the resizable attribute. A column that is * not resizable cannot be dragged by the user but * may be resized by the programmer. * * @return the resizable attribute * * @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 getResizable () { checkWidget (); return resizable; } /** * Returns the receiver's tool tip text, or null if it has * not been set. * * @return the receiver's tool tip text * * @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 String getToolTipText () { checkWidget(); return toolTipText; } /** * Gets the width of the receiver. * * @return the width * * @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 getWidth () { checkWidget (); int index = parent.indexOf (this); if (index is -1) return 0; int hwnd = parent.handle; return OS.SendMessage (hwnd, OS.LVM_GETCOLUMNWIDTH, index, 0); } /** * Causes the receiver to be resized to its preferred size. * For a composite, this involves computing the preferred size * from its layout, if there is one. * * @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 pack () { checkWidget (); int index = parent.indexOf (this); if (index is -1) return; int hwnd = parent.handle; int oldWidth = OS.SendMessage (hwnd, OS.LVM_GETCOLUMNWIDTH, index, 0); TCHAR buffer = new TCHAR (parent.getCodePage (), text, true); int headerWidth = OS.SendMessage (hwnd, OS.LVM_GETSTRINGWIDTH, 0, buffer) + Table.HEADER_MARGIN; if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) headerWidth += Table.HEADER_EXTRA; bool hasHeaderImage = false; if (image !is null || parent.sortColumn is this) { hasHeaderImage = true; Image headerImage = null; if (parent.sortColumn is this && parent.sortDirection !is DWT.NONE) { if (OS.COMCTL32_MAJOR < 6) { headerImage = display.getSortImage (parent.sortDirection); } else { headerWidth += Table.SORT_WIDTH; } } else { headerImage = image; } if (headerImage !is null) { Rectangle bounds = headerImage.getBounds (); headerWidth += bounds.width; } int margin = 0; if (OS.COMCTL32_VERSION >= OS.VERSION (5, 80)) { int hwndHeader = OS.SendMessage (hwnd, OS.LVM_GETHEADER, 0, 0); margin = OS.SendMessage (hwndHeader, OS.HDM_GETBITMAPMARGIN, 0, 0); } else { margin = OS.GetSystemMetrics (OS.SM_CXEDGE) * 3; } headerWidth += margin * 4; } parent.ignoreColumnResize = true; int columnWidth = 0; /* * 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. */ if ((index is 0 && !parent.firstColumnImage) || parent.hooks (DWT.MeasureItem)) { RECT headerRect = new RECT (); int hwndHeader = OS.SendMessage (hwnd, OS.LVM_GETHEADER, 0, 0); OS.SendMessage (hwndHeader, OS.HDM_GETITEMRECT, index, headerRect); OS.MapWindowPoints (hwndHeader, hwnd, headerRect, 2); int hDC = OS.GetDC (hwnd); int oldFont = 0, newFont = OS.SendMessage (hwnd, OS.WM_GETFONT, 0, 0); if (newFont !is 0) oldFont = OS.SelectObject (hDC, newFont); int count = OS.SendMessage (hwnd, OS.LVM_GETITEMCOUNT, 0, 0); for (int i=0; i<count; i++) { TableItem item = parent.items [i]; if (item !is null) { 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); Event event = parent.sendMeasureItemEvent (item, i, index, hDC); if (hFont !is -1) hFont = OS.SelectObject (hDC, hFont); if (isDisposed () || parent.isDisposed ()) break; columnWidth = Math.max (columnWidth, event.x + event.width - headerRect.left); } } if (newFont !is 0) OS.SelectObject (hDC, oldFont); OS.ReleaseDC (hwnd, hDC); OS.SendMessage (hwnd, OS.LVM_SETCOLUMNWIDTH, index, columnWidth); } else { OS.SendMessage (hwnd, OS.LVM_SETCOLUMNWIDTH, index, OS.LVSCW_AUTOSIZE); columnWidth = OS.SendMessage (hwnd, OS.LVM_GETCOLUMNWIDTH, index, 0); if (index is 0) { /* * Bug in Windows. When LVM_SETCOLUMNWIDTH is used with LVSCW_AUTOSIZE * where each item has I_IMAGECALLBACK but there are no images in the * table, the size computed by LVM_SETCOLUMNWIDTH is too small for the * first column, causing long items to be clipped with '...'. The fix * is to increase the column width by a small amount. */ if (parent.imageList is null) columnWidth += 2; /* * Bug in Windows. When LVM_SETCOLUMNWIDTH is used with LVSCW_AUTOSIZE * for a table with a state image list, the column is width does not * include space for the state icon. The fix is to increase the column * width by the width of the image list. */ if ((parent.style & DWT.CHECK) !is 0) { int hStateList = OS.SendMessage (hwnd, 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); columnWidth += cx [0]; } } } } if (headerWidth > columnWidth) { if (!hasHeaderImage) { /* * Feature in Windows. When LVSCW_AUTOSIZE_USEHEADER is used * with LVM_SETCOLUMNWIDTH to resize the last column, the last * column is expanded to fill the client area. The fix is to * resize the table to be small, set the column width and then * restore the table to its original size. */ RECT rect = null; bool fixWidth = index is parent.getColumnCount () - 1; if (fixWidth) { rect = new RECT (); OS.GetWindowRect (hwnd, rect); OS.UpdateWindow (hwnd); int flags = OS.SWP_NOACTIVATE | OS.SWP_NOMOVE | OS.SWP_NOREDRAW | OS.SWP_NOZORDER; SetWindowPos (hwnd, 0, 0, 0, 0, rect.bottom - rect.top, flags); } OS.SendMessage (hwnd, OS.LVM_SETCOLUMNWIDTH, index, OS.LVSCW_AUTOSIZE_USEHEADER); if (fixWidth) { int flags = OS.SWP_NOACTIVATE | OS.SWP_NOMOVE | OS.SWP_NOZORDER; SetWindowPos (hwnd, 0, 0, 0, rect.right - rect.left, rect.bottom - rect.top, flags); } } else { OS.SendMessage (hwnd, OS.LVM_SETCOLUMNWIDTH, index, headerWidth); } } else { if (index is 0) { OS.SendMessage (hwnd, OS.LVM_SETCOLUMNWIDTH, index, columnWidth); } } parent.ignoreColumnResize = false; int newWidth = OS.SendMessage (hwnd, OS.LVM_GETCOLUMNWIDTH, index, 0); if (oldWidth !is newWidth) { updateToolTip (index); sendEvent (DWT.Resize); if (isDisposed ()) return; bool moved = false; int [] order = parent.getColumnOrder (); TableColumn [] columns = parent.getColumns (); for (int i=0; i<order.length; i++) { TableColumn column = columns [order [i]]; if (moved && !column.isDisposed ()) { column.updateToolTip (order [i]); column.sendEvent (DWT.Move); } if (column is this) moved = true; } } } void releaseHandle () { super.releaseHandle (); parent = null; } void releaseParent () { super.releaseParent (); if (parent.sortColumn is this) { parent.sortColumn = null; } } /** * Removes the listener from the collection of listeners who will * be notified when the control is moved or resized. * * @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 ControlListener * @see #addControlListener */ public void removeControlListener (ControlListener listener) { checkWidget (); if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); if (eventTable is null) return; eventTable.unhook (DWT.Move, listener); eventTable.unhook (DWT.Resize, listener); } /** * Removes the listener from the collection of listeners who will * be notified when the control is selected by the user. * * @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 */ 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); } /** * Controls how text and images will be displayed in the receiver. * The argument should be one of <code>LEFT</code>, <code>RIGHT</code> * or <code>CENTER</code>. * * @param alignment the new alignment * * @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 setAlignment (int alignment) { checkWidget (); if ((alignment & (DWT.LEFT | DWT.RIGHT | DWT.CENTER)) is 0) return; int index = parent.indexOf (this); if (index is -1 || index is 0) return; style &= ~(DWT.LEFT | DWT.RIGHT | DWT.CENTER); style |= alignment & (DWT.LEFT | DWT.RIGHT | DWT.CENTER); int hwnd = parent.handle; LVCOLUMN lvColumn = new LVCOLUMN (); lvColumn.mask = OS.LVCF_FMT | OS.LVCF_IMAGE; OS.SendMessage (hwnd, OS.LVM_GETCOLUMN, index, lvColumn); lvColumn.fmt &= ~OS.LVCFMT_JUSTIFYMASK; int fmt = 0; if ((style & DWT.LEFT) is DWT.LEFT) fmt = OS.LVCFMT_LEFT; if ((style & DWT.CENTER) is DWT.CENTER) fmt = OS.LVCFMT_CENTER; if ((style & DWT.RIGHT) is DWT.RIGHT) fmt = OS.LVCFMT_RIGHT; lvColumn.fmt |= fmt; OS.SendMessage (hwnd, OS.LVM_SETCOLUMN, index, lvColumn); /* * Bug in Windows. When LVM_SETCOLUMN is used to change * the alignment of a column, the column is not redrawn * to show the new alignment. The fix is to compute the * visible rectangle for the column and redraw it. */ if (index !is 0) { parent.forceResize (); RECT rect = new RECT (), headerRect = new RECT (); OS.GetClientRect (hwnd, rect); int hwndHeader = OS.SendMessage (hwnd, OS.LVM_GETHEADER, 0, 0); OS.SendMessage (hwndHeader, OS.HDM_GETITEMRECT, index, headerRect); OS.MapWindowPoints (hwndHeader, hwnd, headerRect, 2); rect.left = headerRect.left; rect.right = headerRect.right; OS.InvalidateRect (hwnd, rect, true); } } public void setImage (Image image) { checkWidget(); if (image !is null && image.isDisposed ()) { error (DWT.ERROR_INVALID_ARGUMENT); } super.setImage (image); if (parent.sortColumn !is this || parent.sortDirection !is DWT.NONE) { setImage (image, false, false); } } void setImage (Image image, bool sort, bool right) { int index = parent.indexOf (this); if (index is -1) return; int hwnd = parent.handle; if (OS.COMCTL32_MAJOR < 6) { int hwndHeader = OS.SendMessage (hwnd, OS.LVM_GETHEADER, 0, 0); HDITEM hdItem = new HDITEM (); hdItem.mask = OS.HDI_FORMAT | OS.HDI_IMAGE | OS.HDI_BITMAP; OS.SendMessage (hwndHeader, OS.HDM_GETITEM, index, hdItem); hdItem.fmt &= ~OS.HDF_BITMAP_ON_RIGHT; if (image !is null) { if (sort) { hdItem.mask &= ~OS.HDI_IMAGE; hdItem.fmt &= ~OS.HDF_IMAGE; hdItem.fmt |= OS.HDF_BITMAP; hdItem.hbm = image.handle; } else { hdItem.mask &= ~OS.HDI_BITMAP; hdItem.fmt &= ~OS.HDF_BITMAP; hdItem.fmt |= OS.HDF_IMAGE; hdItem.iImage = parent.imageIndexHeader (image); } if (right) hdItem.fmt |= OS.HDF_BITMAP_ON_RIGHT; } else { hdItem.fmt &= ~(OS.HDF_IMAGE | OS.HDF_BITMAP); } OS.SendMessage (hwndHeader, OS.HDM_SETITEM, index, hdItem); } else { LVCOLUMN lvColumn = new LVCOLUMN (); lvColumn.mask = OS.LVCF_FMT | OS.LVCF_IMAGE; OS.SendMessage (hwnd, OS.LVM_GETCOLUMN, index, lvColumn); if (image !is null) { lvColumn.fmt |= OS.LVCFMT_IMAGE; lvColumn.iImage = parent.imageIndexHeader (image); if (right) lvColumn.fmt |= OS.LVCFMT_BITMAP_ON_RIGHT; } else { lvColumn.mask &= ~OS.LVCF_IMAGE; lvColumn.fmt &= ~(OS.LVCFMT_IMAGE | OS.LVCFMT_BITMAP_ON_RIGHT); } OS.SendMessage (hwnd, OS.LVM_SETCOLUMN, index, lvColumn); } } /** * Sets the moveable attribute. A column that is * moveable can be reordered by the user by dragging * the header. A column that is not moveable cannot be * dragged by the user but may be reordered * by the programmer. * * @param moveable the moveable attribute * * @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 Table#getColumnOrder() * @see TableColumn#getMoveable() * @see DWT#Move * * @since 3.1 */ public void setMoveable (bool moveable) { checkWidget (); this.moveable = moveable; parent.updateMoveable (); } /** * Sets the resizable attribute. A column that is * resizable can be resized by the user dragging the * edge of the header. A column that is not resizable * cannot be dragged by the user but may be resized * by the programmer. * * @param resizable the resize attribute * * @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 setResizable (bool resizable) { checkWidget (); this.resizable = resizable; } void setSortDirection (int direction) { if (OS.COMCTL32_MAJOR >= 6) { int index = parent.indexOf (this); if (index is -1) return; int hwnd = parent.handle; int hwndHeader = OS.SendMessage (hwnd, OS.LVM_GETHEADER, 0, 0); HDITEM hdItem = new HDITEM (); hdItem.mask = OS.HDI_FORMAT | OS.HDI_IMAGE; OS.SendMessage (hwndHeader, OS.HDM_GETITEM, index, hdItem); switch (direction) { case DWT.UP: hdItem.fmt &= ~(OS.HDF_IMAGE | OS.HDF_SORTDOWN); hdItem.fmt |= OS.HDF_SORTUP; break; case DWT.DOWN: hdItem.fmt &= ~(OS.HDF_IMAGE | OS.HDF_SORTUP); hdItem.fmt |= OS.HDF_SORTDOWN; break; case DWT.NONE: hdItem.fmt &= ~(OS.HDF_SORTUP | OS.HDF_SORTDOWN); if (image !is null) { hdItem.fmt |= OS.HDF_IMAGE; hdItem.iImage = parent.imageIndexHeader (image); } else { hdItem.fmt &= ~OS.HDF_IMAGE; hdItem.mask &= ~OS.HDI_IMAGE; } break; } OS.SendMessage (hwndHeader, OS.HDM_SETITEM, index, hdItem); /* * Bug in Windows. When LVM_SETSELECTEDCOLUMN is used to * specify a selected column, Windows does not redraw either * the new or the previous selected column. The fix is to * force a redraw of both. * * 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 avoid setting the * selected column. */ parent.forceResize (); RECT rect = new RECT (); OS.GetClientRect (hwnd, rect); if (OS.SendMessage (hwnd, OS.LVM_GETBKCOLOR, 0, 0) !is OS.CLR_NONE) { int oldColumn = OS.SendMessage (hwnd, OS.LVM_GETSELECTEDCOLUMN, 0, 0); int newColumn = direction is DWT.NONE ? -1 : index; OS.SendMessage (hwnd, OS.LVM_SETSELECTEDCOLUMN, newColumn, 0); RECT headerRect = new RECT (); if (oldColumn !is -1) { if (OS.SendMessage (hwndHeader, OS.HDM_GETITEMRECT, oldColumn, headerRect) !is 0) { OS.MapWindowPoints (hwndHeader, hwnd, headerRect, 2); rect.left = headerRect.left; rect.right = headerRect.right; OS.InvalidateRect (hwnd, rect, true); } } } RECT headerRect = new RECT (); if (OS.SendMessage (hwndHeader, OS.HDM_GETITEMRECT, index, headerRect) !is 0) { OS.MapWindowPoints (hwndHeader, hwnd, headerRect, 2); rect.left = headerRect.left; rect.right = headerRect.right; OS.InvalidateRect (hwnd, rect, true); } } else { switch (direction) { case DWT.UP: case DWT.DOWN: setImage (display.getSortImage (direction), true, true); break; case DWT.NONE: setImage (image, false, false); break; } } } public void setText (String string) { checkWidget (); if (string is null) error (DWT.ERROR_NULL_ARGUMENT); if (string.equals (text)) return; int index = parent.indexOf (this); if (index is -1) return; super.setText (string); /* * Bug in Windows. For some reason, when the title * of a column is changed after the column has been * created, the alignment must also be reset or the * text does not draw. The fix is to query and then * set the alignment. */ int hwnd = parent.handle; LVCOLUMN lvColumn = new LVCOLUMN (); lvColumn.mask = OS.LVCF_FMT; OS.SendMessage (hwnd, OS.LVM_GETCOLUMN, index, lvColumn); /* * Bug in Windows. When a column header contains a * mnemonic character, Windows does not measure the * text properly. This causes '...' to always appear * at the end of the text. The fix is to remove * mnemonic characters and replace doubled mnemonics * with spaces. */ int hHeap = OS.GetProcessHeap (); TCHAR buffer = new TCHAR (parent.getCodePage (), fixMnemonic (string), true); int byteCount = buffer.length () * TCHAR.sizeof; int pszText = OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, byteCount); OS.MoveMemory (pszText, buffer, byteCount); lvColumn.mask |= OS.LVCF_TEXT; lvColumn.pszText = pszText; int result = OS.SendMessage (hwnd, OS.LVM_SETCOLUMN, index, lvColumn); if (pszText !is 0) OS.HeapFree (hHeap, 0, pszText); if (result is 0) error (DWT.ERROR_CANNOT_SET_TEXT); } /** * Sets the receiver's tool tip text to the argument, which * may be null indicating that no tool tip text should be shown. * * @param string the new tool tip text (or null) * * @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 setToolTipText (String string) { checkWidget(); toolTipText = string; int hwndHeaderToolTip = parent.headerToolTipHandle; if (hwndHeaderToolTip is 0) { parent.createHeaderToolTips (); parent.updateHeaderToolTips (); } } /** * Sets the width of the receiver. * * @param width the new width * * @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 setWidth (int width) { checkWidget (); if (width < 0) return; int index = parent.indexOf (this); if (index is -1) return; int hwnd = parent.handle; OS.SendMessage (hwnd, OS.LVM_SETCOLUMNWIDTH, index, width); } void updateToolTip (int index) { int hwndHeaderToolTip = parent.headerToolTipHandle; if (hwndHeaderToolTip !is 0) { int hwnd = parent.handle; int hwndHeader = OS.SendMessage (hwnd, OS.LVM_GETHEADER, 0, 0); RECT rect = new RECT (); if (OS.SendMessage (hwndHeader, OS.HDM_GETITEMRECT, index, rect) !is 0) { TOOLINFO lpti = new TOOLINFO (); lpti.cbSize = TOOLINFO.sizeof; lpti.hwnd = hwndHeader; lpti.uId = id; lpti.left = rect.left; lpti.top = rect.top; lpti.right = rect.right; lpti.bottom = rect.bottom; OS.SendMessage (hwndHeaderToolTip, OS.TTM_NEWTOOLRECT, 0, lpti); } } } } ++/