Mercurial > projects > dwt-linux
changeset 69:7cf1deebc8d4
Combo
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Tue, 15 Jan 2008 04:10:36 +0100 |
| parents | 8b1ef6cd4450 |
| children | 3a7f56c31c6c |
| files | dwt/internal/gtk/OS.d dwt/widgets/Combo.d dwt/widgets/Display.d todo.txt |
| diffstat | 4 files changed, 1977 insertions(+), 68 deletions(-) [+] |
line wrap: on
line diff
--- a/dwt/internal/gtk/OS.d Mon Jan 14 02:06:07 2008 +0100 +++ b/dwt/internal/gtk/OS.d Tue Jan 15 04:10:36 2008 +0100 @@ -163,6 +163,11 @@ public alias dwt.internal.c.gtk.GtkTreePath GtkTreePath; public alias dwt.internal.c.gtk.GtkTreeSelection GtkTreeSelection; public alias dwt.internal.c.gtk.GtkTreeModel GtkTreeModel; +public alias dwt.internal.c.gtk.GtkComboBox GtkComboBox; +public alias dwt.internal.c.gtk.GtkListItem GtkListItem; +public alias dwt.internal.c.gtk.GtkList GtkList; +public alias dwt.internal.c.gtk.GtkCellLayout GtkCellLayout; +public alias dwt.internal.c.gtk.GtkCombo GtkCombo; public alias dwt.internal.c.Xlib.XErrorEvent XErrorEvent; public alias dwt.internal.c.Xlib.XExposeEvent XExposeEvent; @@ -213,6 +218,9 @@ private void gtk_tree_model_get1(GtkTreeModel * store , GtkTreeIter * iter, int column, void** value ){ gtk_tree_model_get( store, iter, column, value, -1 ); } +private void gtk_cell_layout_set_attributes1( GtkCellLayout *cell_layout, GtkCellRenderer *cell, void* key, void* value ){ + gtk_cell_layout_set_attributes( cell_layout, cell, key, value, null ); +} // for linux always true, the other possibility would be GDK_WINDOWING_WIN32 private bool GDK_WINDOWING_X11(){ @@ -845,7 +853,6 @@ mixin ForwardGtkOsCFunc!(.gdk_window_remove_filter); /** X render natives and constants */ - // mixin ForwardGtkOsCFunc!(XRenderPictureAttributes_sizeof); mixin ForwardGtkOsCFunc!(.XRenderQueryExtension); mixin ForwardGtkOsCFunc!(.XRenderQueryVersion); @@ -856,48 +863,7 @@ mixin ForwardGtkOsCFunc!(.XRenderComposite); mixin ForwardGtkOsCFunc!(.XRenderFindStandardFormat); mixin ForwardGtkOsCFunc!(.XRenderFindVisualFormat); - //mixin ForwardGtkOsCFunc!(Call ); - //mixin ForwardGtkOsCFunc!(.GDK_DISPLAY); - //mixin ForwardGtkOsCFunc!(.GDK_ROOT_PARENT); -// mixin ForwardGtkOsCFunc!(.GDK_TYPE_COLOR); -// mixin ForwardGtkOsCFunc!(.GDK_TYPE_PIXBUF); -// mixin ForwardGtkOsCFunc!(.GTK_IS_BUTTON); - //mixin ForwardGtkOsCFunc!(.GTK_IS_WINDOW); -// mixin ForwardGtkOsCFunc!(.GTK_IS_CELL_RENDERER_PIXBUF); -// mixin ForwardGtkOsCFunc!(.GTK_IS_CELL_RENDERER_TEXT); -// mixin ForwardGtkOsCFunc!(.GTK_IS_CELL_RENDERER_TOGGLE); - //mixin ForwardGtkOsCFunc!(.GTK_IS_CONTAINER); -// mixin ForwardGtkOsCFunc!(.GTK_IS_IMAGE_MENU_ITEM); - //mixin ForwardGtkOsCFunc!(.GTK_IS_PLUG); -// mixin ForwardGtkOsCFunc!(.GTK_STOCK_CANCEL); -// mixin ForwardGtkOsCFunc!(.GTK_STOCK_OK); - //mixin ForwardGtkOsCFunc!(.GTK_TYPE_CELL_RENDERER_TEXT); - //mixin ForwardGtkOsCFunc!(.GTK_TYPE_CELL_RENDERER_PIXBUF); - //mixin ForwardGtkOsCFunc!(.GTK_TYPE_CELL_RENDERER_TOGGLE); - //mixin ForwardGtkOsCFunc!(.GTK_TYPE_FIXED); - //mixin ForwardGtkOsCFunc!(.GTK_TYPE_MENU); - //mixin ForwardGtkOsCFunc!(.GTK_TYPE_WIDGET); - /+mixin ForwardGtkOsCFunc!(.GTK_WIDGET_FLAGS); - mixin ForwardGtkOsCFunc!(.GTK_WIDGET_STATE); - mixin ForwardGtkOsCFunc!(.GTK_WIDGET_HAS_DEFAULT); - mixin ForwardGtkOsCFunc!(.GTK_WIDGET_HAS_FOCUS); - mixin ForwardGtkOsCFunc!(.GTK_WIDGET_IS_SENSITIVE); - mixin ForwardGtkOsCFunc!(.GTK_WIDGET_MAPPED); - mixin ForwardGtkOsCFunc!(.GTK_WIDGET_SENSITIVE); - mixin ForwardGtkOsCFunc!(.GTK_WIDGET_SET_FLAGS); - mixin ForwardGtkOsCFunc!(.GTK_WIDGET_UNSET_FLAGS); - mixin ForwardGtkOsCFunc!(.GTK_WIDGET_VISIBLE); - mixin ForwardGtkOsCFunc!(.G_OBJECT_CLASS ); - mixin ForwardGtkOsCFunc!(.G_OBJECT_GET_CLASS ); - mixin ForwardGtkOsCFunc!(.G_OBJECT_TYPE_NAME ); - mixin ForwardGtkOsCFunc!(.G_TYPE_BOOLEAN); - mixin ForwardGtkOsCFunc!(.G_TYPE_INT); - mixin ForwardGtkOsCFunc!(.G_OBJECT_TYPE ); - mixin ForwardGtkOsCFunc!(.G_TYPE_STRING); - mixin ForwardGtkOsCFunc!(.PANGO_PIXELS); - //mixin ForwardGtkOsCFunc!(.PANGO_TYPE_FONT_DESCRIPTION); -+/ mixin ForwardGtkOsCFunc!(.g_cclosure_new); mixin ForwardGtkOsCFunc!(.g_closure_ref); mixin ForwardGtkOsCFunc!(.g_closure_unref); @@ -918,17 +884,12 @@ mixin ForwardGtkOsCFunc!(.g_free); mixin ForwardGtkOsCFunc!(.g_idle_add); mixin ForwardGtkOsCFunc!(.g_list_append); - //mixin ForwardGtkOsCFunc!(.g_list_data); // macro impl mixin ForwardGtkOsCFunc!(.g_list_free); mixin ForwardGtkOsCFunc!(.g_list_free_1); mixin ForwardGtkOsCFunc!(.g_list_length); -// mixin ForwardGtkOsCFunc!(.g_list_set_next); - //mixin ForwardGtkOsCFunc!(.g_list_next); mixin ForwardGtkOsCFunc!(.g_list_nth); mixin ForwardGtkOsCFunc!(.g_list_nth_data); mixin ForwardGtkOsCFunc!(.g_list_prepend); -// mixin ForwardGtkOsCFunc!(.g_list_set_previous); - //mixin ForwardGtkOsCFunc!(.g_list_previous); mixin ForwardGtkOsCFunc!(.g_list_remove_link); mixin ForwardGtkOsCFunc!(.g_list_reverse); mixin ForwardGtkOsCFunc!(.g_locale_from_utf8); @@ -946,10 +907,8 @@ mixin ForwardGtkOsCFunc!(.g_object_unref); mixin ForwardGtkOsCFunc!(.g_quark_from_string); mixin ForwardGtkOsCFunc!(.g_set_prgname); - //mixin ForwardGtkOsCFunc!(.g_signal_connect); mixin ForwardGtkOsCFunc!(.g_signal_connect_closure); mixin ForwardGtkOsCFunc!(.g_signal_connect_closure_by_id); -// mixin ForwardGtkOsCFunc!(.g_signal_connect_after); mixin ForwardGtkOsCFunc!(.g_signal_emit_by_name0); mixin ForwardGtkOsCFunc!(.g_signal_emit_by_name1); mixin ForwardGtkOsCFunc!(.g_signal_emit_by_name2); @@ -961,9 +920,7 @@ mixin ForwardGtkOsCFunc!(.g_signal_lookup ); mixin ForwardGtkOsCFunc!(.g_signal_stop_emission_by_name); mixin ForwardGtkOsCFunc!(.g_source_remove ); - // mixin ForwardGtkOsCFunc!(.g_slist_data ); mixin ForwardGtkOsCFunc!(.g_slist_free ); - // mixin ForwardGtkOsCFunc!(.g_slist_next ); mixin ForwardGtkOsCFunc!(.g_slist_length ); mixin ForwardGtkOsCFunc!(.g_strfreev); mixin ForwardGtkOsCFunc!(.g_strtod); @@ -1173,7 +1130,7 @@ mixin ForwardGtkOsCFunc!(.gtk_calendar_display_options); mixin ForwardGtkOsCFunc!(.gtk_calendar_get_date); mixin ForwardGtkOsCFunc!(.gtk_cell_layout_clear); - mixin ForwardGtkOsCFunc!(.gtk_cell_layout_set_attributes); + mixin ForwardGtkOsCFunc!(.gtk_cell_layout_set_attributes1); mixin ForwardGtkOsCFunc!(.gtk_cell_layout_pack_start); mixin ForwardGtkOsCFunc!(.gtk_cell_renderer_get_size); mixin ForwardGtkOsCFunc!(.gtk_cell_renderer_pixbuf_new); @@ -1192,10 +1149,10 @@ mixin ForwardGtkOsCFunc!(.gtk_color_selection_get_current_color); mixin ForwardGtkOsCFunc!(.gtk_color_selection_set_current_color); mixin ForwardGtkOsCFunc!(.gtk_color_selection_set_has_palette); - // mixin ForwardGtkOsCFunc!(.gtk_combo_disable_activate); - // mixin ForwardGtkOsCFunc!(.gtk_combo_new); - // mixin ForwardGtkOsCFunc!(.gtk_combo_set_case_sensitive); - // mixin ForwardGtkOsCFunc!(.gtk_combo_set_popdown_strings); + mixin ForwardGtkOsCFunc!(.gtk_combo_disable_activate); + mixin ForwardGtkOsCFunc!(.gtk_combo_new); + mixin ForwardGtkOsCFunc!(.gtk_combo_set_case_sensitive); + mixin ForwardGtkOsCFunc!(.gtk_combo_set_popdown_strings); mixin ForwardGtkOsCFunc!(.gtk_combo_box_entry_new_text); mixin ForwardGtkOsCFunc!(.gtk_combo_box_new_text); mixin ForwardGtkOsCFunc!(.gtk_combo_box_insert_text); @@ -1928,17 +1885,6 @@ // { return arg0.window; } /+ - //g_list_data(arg0) (arg0)->data - static void* g_list_data( GList* arg0 ) { - return arg0.data; - } - //g_list_next(list) ((list) ? (((GList *)(list))->next) : NULL) - static void* g_list_next( GList* list ) { - return list ? list.next : null; - } - //g_slist_data(arg0) (arg0)->data - //g_list_set_next(arg0, arg1) (arg0)->next = arg1 - //g_list_set_previous(arg0, arg1) (arg0)->prev = arg1 //gtk_rc_style_get_bg_pixmap_name(arg0, arg1) (arg0)->bg_pixmap_name[arg1] static char* gtk_rc_style_get_bg_pixmap_name( GtkRcStyle* arg0, int arg1 ) {
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dwt/widgets/Combo.d Tue Jan 15 04:10:36 2008 +0100 @@ -0,0 +1,1958 @@ +/******************************************************************************* + * 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.Combo; + + +import dwt.SWT; +import dwt.internal.gtk.OS; +import dwt.graphics.Point; +import dwt.events.SelectionListener; +import dwt.events.SelectionEvent; +import dwt.events.ModifyListener; +import dwt.events.VerifyListener; +import dwt.widgets.Shell; +import dwt.widgets.Composite; +import dwt.widgets.Event; +import dwt.widgets.TypedListener; + +import tango.stdc.stringz; +import Math = tango.math.Math; + +/** + * Instances of this class are controls that allow the user + * to choose an item from a list of items, or optionally + * enter a new value by typing it into an editable text + * field. Often, <code>Combo</code>s are used in the same place + * where a single selection <code>List</code> widget could + * be used but space is limited. A <code>Combo</code> takes + * less space than a <code>List</code> widget and shows + * similar information. + * <p> + * Note: Since <code>Combo</code>s can contain both a list + * and an editable text field, it is possible to confuse methods + * which access one versus the other (compare for example, + * <code>clearSelection()</code> and <code>deselectAll()</code>). + * The API documentation is careful to indicate either "the + * receiver's list" or the "the receiver's text field" to + * distinguish between the two cases. + * </p><p> + * Note that although this class is a subclass of <code>Composite</code>, + * it does not make sense to add children to it, or set a layout on it. + * </p> + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>DROP_DOWN, READ_ONLY, SIMPLE</dd> + * <dt><b>Events:</b></dt> + * <dd>DefaultSelection, Modify, Selection, Verify</dd> + * </dl> + * <p> + * Note: Only one of the styles DROP_DOWN and SIMPLE may be specified. + * </p><p> + * IMPORTANT: This class is <em>not</em> intended to be subclassed. + * </p> + * + * @see List + */ +public class Combo : Composite { + GtkWidget* buttonHandle, entryHandle, listHandle, textRenderer; + int lastEventTime, visibleCount = 5; + GdkEventKey* gdkEventKey; + int fixStart = -1, fixEnd = -1; + char[][] items; + bool ignoreSelect, lockText; + + static const int INNER_BORDER = 2; + + /** + * the operating system limit for the number of characters + * that the text field in an instance of this class can hold + */ + public const static int LIMIT = 0xFFFF; + + /* + * These values can be different on different platforms. + * Therefore they are not initialized in the declaration + * to stop the compiler from inlining. + */ + //static { + // LIMIT = 0xFFFF; + //} + +/** + * 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>SWT</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>SWT</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 SWTException <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 SWT#DROP_DOWN + * @see SWT#READ_ONLY + * @see SWT#SIMPLE + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public this (Composite parent, int style) { + super (parent, checkStyle (style)); +} + +/** + * Adds the argument to the end of the receiver's list. + * + * @param string the new item + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the string is null</li> + * </ul> + * @exception SWTException <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 #add(String,int) + */ +public void add (char[] string) { + checkWidget(); + if (string is null) error (SWT.ERROR_NULL_ARGUMENT); + add (string, items.length); +} + +/** + * Adds the argument to the receiver's list at the given + * zero-relative index. + * <p> + * Note: To add an item at the end of the list, use the + * result of calling <code>getItemCount()</code> as the + * index or use <code>add(String)</code>. + * </p> + * + * @param string the new item + * @param index the index for the item + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the string is null</li> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list (inclusive)</li> + * </ul> + * @exception SWTException <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 #add(String) + */ +public void add (char[] string, int index) { + checkWidget(); + if (string is null) error (SWT.ERROR_NULL_ARGUMENT); + if (!(0 <= index && index <= items.length)) { + error (SWT.ERROR_INVALID_RANGE); + } + char[] [] newItems = new char[][]( items.length + 1 ); + System.arraycopy (items, 0, newItems, 0, index); + newItems [index] = string; + System.arraycopy (items, index, newItems, index + 1, items.length - index); + items = newItems; + char* buffer = toStringz(string); + if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { + OS.gtk_combo_box_insert_text (cast(GtkComboBox*)handle, index, buffer); + } else { + /* + * Feature in GTK. When the list is empty and the first item + * is added, the combo box selects that item replacing the + * text in the entry field. The fix is to avoid this by + * stopping the "delete" and "insert_text" signal emission. + */ + ignoreSelect = lockText = true; + auto item = OS.gtk_list_item_new_with_label (buffer); + auto label = OS.gtk_bin_get_child (cast(GtkBin*)item); + setForegroundColor (label, getForegroundColor ()); + OS.gtk_widget_modify_font (label, getFontDescription ()); + OS.gtk_widget_set_direction (label, OS.gtk_widget_get_direction (handle)); + OS.gtk_widget_show (item); + auto items = OS.g_list_append (null, item); + OS.gtk_list_insert_items (cast(GtkList*)listHandle, items, index); + ignoreSelect = lockText = false; + } +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the receiver's text is modified, by sending + * it one of the messages defined in the <code>ModifyListener</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 SWTException <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 ModifyListener + * @see #removeModifyListener + */ +public void addModifyListener (ModifyListener listener) { + checkWidget(); + if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Modify, typedListener); +} + +/** + * 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> + * <code>widgetSelected</code> is called when the user changes the combo's list selection. + * <code>widgetDefaultSelected</code> is typically called when ENTER is pressed the combo's text area. + * </p> + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <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 (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Selection,typedListener); + addListener (SWT.DefaultSelection,typedListener); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the receiver's text is verified, by sending + * it one of the messages defined in the <code>VerifyListener</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 SWTException <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 VerifyListener + * @see #removeVerifyListener + * + * @since 3.1 + */ +public void addVerifyListener (VerifyListener listener) { + checkWidget (); + if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Verify, typedListener); +} + +static int checkStyle (int style) { + /* + * Feature in Windows. It is not possible to create + * a combo box that has a border using Windows style + * bits. All combo boxes draw their own border and + * do not use the standard Windows border styles. + * Therefore, no matter what style bits are specified, + * clear the BORDER bits so that the SWT style will + * match the Windows widget. + * + * The Windows behavior is currently implemented on + * all platforms. + */ + style &= ~SWT.BORDER; + + /* + * Even though it is legal to create this widget + * with scroll bars, they serve no useful purpose + * because they do not automatically scroll the + * widget's client area. The fix is to clear + * the SWT style. + */ + style &= ~(SWT.H_SCROLL | SWT.V_SCROLL); + style = checkBits (style, SWT.DROP_DOWN, SWT.SIMPLE, 0, 0, 0, 0); + if ((style & SWT.SIMPLE) !is 0) return style & ~SWT.READ_ONLY; + return style; +} + +protected void checkSubclass () { + if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); +} + +/** + * Sets the selection in the receiver's text field to an empty + * selection starting just before the first character. If the + * text field is editable, this has the effect of placing the + * i-beam at the start of the text. + * <p> + * Note: To clear the selected items in the receiver's list, + * use <code>deselectAll()</code>. + * </p> + * + * @exception SWTException <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 #deselectAll + */ +public void clearSelection () { + checkWidget(); + if (entryHandle !is null) { + int position = OS.gtk_editable_get_position (cast(GtkEditable*)entryHandle); + OS.gtk_editable_select_region (cast(GtkEditable*)entryHandle, position, position); + } +} + +void clearText () { + if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { + OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); + if ((style & SWT.READ_ONLY) !is 0) { + int index = OS.gtk_combo_box_get_active (cast(GtkComboBox*)handle); + if (index !is -1) { + auto modelHandle = OS.gtk_combo_box_get_model (cast(GtkComboBox*)handle); + char* ptr; + GtkTreeIter iter; + OS.gtk_tree_model_iter_nth_child (cast(GtkTreeModel*)modelHandle, &iter, null, index); + OS.gtk_tree_model_get1 (cast(GtkTreeModel*)modelHandle, &iter, 0, cast(void**)&ptr ); + if (fromUtf8z(ptr).length > 0) postEvent (SWT.Modify); + OS.g_free (ptr); + } + } else { + char dummy = '\0'; + OS.gtk_entry_set_text (cast(GtkEntry*)entryHandle, &dummy ); + } + OS.gtk_combo_box_set_active (cast(GtkComboBox*)handle, -1); + OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); + } +} + +public Point computeSize (int wHint, int hHint, bool changed) { + checkWidget (); + if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { + return computeNativeSize (handle, wHint, hHint, changed); + } + if (wHint !is SWT.DEFAULT && wHint < 0) wHint = 0; + if (hHint !is SWT.DEFAULT && hHint < 0) hHint = 0; + int w, h; + OS.gtk_widget_realize (entryHandle); + auto layout = OS.gtk_entry_get_layout (cast(GtkEntry*)entryHandle); + OS.pango_layout_get_size (layout, &w, &h); + int xborder = INNER_BORDER, yborder = INNER_BORDER; + auto style = OS.gtk_widget_get_style (entryHandle); + xborder += OS.gtk_style_get_xthickness (style); + yborder += OS.gtk_style_get_ythickness (style); + int property; + OS.gtk_widget_style_get1 (entryHandle, OS.interior_focus.ptr, &property); + if (property is 0) { + OS.gtk_widget_style_get1 (entryHandle, OS.focus_line_width.ptr, &property); + xborder += property ; + yborder += property ; + } + int width = OS.PANGO_PIXELS (w ) + xborder * 2; + int height = OS.PANGO_PIXELS (h ) + yborder * 2; + + GtkRequisition arrowRequesition; + OS.gtk_widget_size_request (buttonHandle, &arrowRequesition); + GtkRequisition listRequesition; + auto listParent = OS.gtk_widget_get_parent (listHandle); + OS.gtk_widget_size_request (listParent !is null ? listParent : listHandle, &listRequesition); + + width = Math.max (listRequesition.width, width) + arrowRequesition.width + 4; + width = wHint is SWT.DEFAULT ? width : wHint; + height = hHint is SWT.DEFAULT ? height : hHint; + return new Point (width, height); +} + +/** + * Copies the selected text. + * <p> + * The current selection is copied to the clipboard. + * </p> + * + * @exception SWTException <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 2.1 + */ +public void copy () { + checkWidget (); + if (entryHandle !is null) OS.gtk_editable_copy_clipboard (cast(GtkEditable*)entryHandle); +} + +void createHandle (int index) { + state |= HANDLE | MENU; + fixedHandle = cast(GtkWidget*)OS.g_object_new (display.gtk_fixed_get_type (), null); + if (fixedHandle is null) error (SWT.ERROR_NO_HANDLES); + OS.gtk_fixed_set_has_window (cast(GtkFixed*)fixedHandle, true); + if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { + if ((style & SWT.READ_ONLY) !is 0) { + handle = cast(GtkWidget*)OS.gtk_combo_box_new_text (); + if (handle is null) error (SWT.ERROR_NO_HANDLES); + } else { + handle = cast(GtkWidget*)OS.gtk_combo_box_entry_new_text (); + if (handle is null) error (SWT.ERROR_NO_HANDLES); + entryHandle = cast(GtkWidget*)OS.gtk_bin_get_child (cast(GtkBin*)handle); + if (entryHandle is null) error (SWT.ERROR_NO_HANDLES); + } + OS.gtk_container_add (cast(GtkContainer*)fixedHandle, handle); + textRenderer = cast(GtkWidget*)OS.gtk_cell_renderer_text_new (); + if (textRenderer is null) error (SWT.ERROR_NO_HANDLES); + /* + * Feature in GTK. In order to make a read only combo box the same + * height as an editable combo box the ypad must be set to 0. In + * versions 2.4.x of GTK, a pad of 0 will clip some letters. The + * fix is to set the pad to 1. + */ + int pad = 0; + if (OS.GTK_VERSION < OS.buildVERSION(2, 6, 0)) pad = 1; + OS.g_object_set1 (textRenderer, OS.ypad.ptr, pad); + /* + * Feature in GTK. In version 2.4.9 of GTK, a warning is issued + * when a call to gtk_cell_layout_clear() is made. The fix is to hide + * the warning. + */ + bool warnings = display.getWarnings (); + display.setWarnings (false); + OS.gtk_cell_layout_clear (handle); + display.setWarnings (warnings); + OS.gtk_cell_layout_pack_start (cast(GtkCellLayout*)handle, cast(GtkCellRenderer*)textRenderer, true); + OS.gtk_cell_layout_set_attributes1 (handle, cast(GtkCellRenderer*)textRenderer, OS.text.ptr, null); + + /* + * Feature in GTK. There is no API to query the button + * handle from a combo box although it is possible to get the + * text field. The button handle is needed to hook events. The + * fix is to walk the combo tree and find the first child that is + * an instance of button. + */ + display.allChildrenCollect (handle, 0); + if (display.allChildren !is null) { + auto list = display.allChildren; + while (list !is null) { + auto widget = OS.g_list_data (list); + if (OS.GTK_IS_BUTTON (cast(GTypeInstance*)widget)) { + buttonHandle = cast(GtkWidget*)widget; + break; + } + list = OS.g_list_next (list); + } + OS.g_list_free (display.allChildren); + display.allChildren = null; + } + } else { + handle = cast(GtkWidget*)OS.gtk_combo_new (); + if (handle is null) error (SWT.ERROR_NO_HANDLES); + OS.gtk_container_add (cast(GtkContainer*)fixedHandle, handle); + GtkCombo* combo = cast(GtkCombo*)handle; + entryHandle = combo.entry; + listHandle = combo.list; + + /* + * Feature in GTK. There is no API to query the arrow + * handle from a combo box although it is possible to + * get the list and text field. The arrow handle is needed + * to hook events. The fix is to find the first child that is + * not the entry or list and assume this is the arrow handle. + */ + auto list = OS.gtk_container_get_children (cast(GtkContainer*)handle); + if (list !is null) { + int i = 0, count = OS.g_list_length (list); + while (i<count) { + auto childHandle = OS.g_list_nth_data (list, i); + if (childHandle !is entryHandle && childHandle !is listHandle) { + buttonHandle = cast(GtkWidget*)childHandle; + break; + } + i++; + } + OS.g_list_free (list); + } + + bool editable = (style & SWT.READ_ONLY) is 0; + OS.gtk_editable_set_editable (cast(GtkEditable*)entryHandle, editable); + OS.gtk_combo_disable_activate (cast(GtkCombo*)handle); + OS.gtk_combo_set_case_sensitive (cast(GtkCombo*)handle, true); + } +} + +/** + * Cuts the selected text. + * <p> + * The current selection is first copied to the + * clipboard and then deleted from the widget. + * </p> + * + * @exception SWTException <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 2.1 + */ +public void cut () { + checkWidget (); + if (entryHandle !is null) OS.gtk_editable_cut_clipboard (cast(GtkEditable*)entryHandle); +} + +override void deregister () { + super.deregister (); + if (buttonHandle !is null) display.removeWidget (buttonHandle); + if (entryHandle !is null) display.removeWidget (entryHandle); + if (listHandle !is null) display.removeWidget (listHandle); + auto imContext = imContext (); + if (imContext !is null) display.removeWidget (cast(GtkWidget*)imContext); +} + +override bool filterKey (int keyval, GdkEventKey* event) { + int time = OS.gdk_event_get_time (cast(GdkEvent*)event); + if (time !is lastEventTime) { + lastEventTime = time; + auto imContext = imContext (); + if (imContext !is null) { + return cast(bool)OS.gtk_im_context_filter_keypress (cast(GtkIMContext*)imContext, event); + } + } + gdkEventKey = event; + return false; +} + +void fixIM () { + /* + * The IM filter has to be called one time for each key press event. + * When the IM is open the key events are duplicated. The first event + * is filtered by SWT and the second event is filtered by GTK. In some + * cases the GTK handler does not run (the widget is destroyed, the + * application code consumes the event, etc), for these cases the IM + * filter has to be called by SWT. + */ + if (gdkEventKey !is null && gdkEventKey !is cast(GdkEventKey*)-1) { + auto imContext = imContext (); + if (imContext !is null) { + OS.gtk_im_context_filter_keypress (cast(GtkIMContext*)imContext, gdkEventKey); + gdkEventKey = cast(GdkEventKey*)-1; + return; + } + } + gdkEventKey = null; +} + +override GtkWidget* fontHandle () { + if (entryHandle !is null) return entryHandle; + return super.fontHandle (); +} + +override GtkWidget* focusHandle () { + if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { + if ((style & SWT.READ_ONLY) !is 0 && buttonHandle !is null) return buttonHandle; + } + if (entryHandle !is null) return entryHandle; + return super.focusHandle (); +} + +bool hasFocus () { + if (super.hasFocus ()) return true; + if (entryHandle !is null && OS.GTK_WIDGET_HAS_FOCUS (entryHandle)) return true; + if (listHandle !is null && OS.GTK_WIDGET_HAS_FOCUS (listHandle)) return true; + return false; +} + +void hookEvents () { + super.hookEvents (); + if (OS.GTK_VERSION >= OS.buildVERSION(2, 4, 0)) { + OS.g_signal_connect_closure (handle, OS.changed.ptr, display.closures [CHANGED], true); + } + + if (entryHandle !is null) { + OS.g_signal_connect_closure (entryHandle, OS.changed.ptr, display.closures [CHANGED], true); + OS.g_signal_connect_closure (entryHandle, OS.insert_text.ptr, display.closures [INSERT_TEXT], false); + OS.g_signal_connect_closure (entryHandle, OS.delete_text.ptr, display.closures [DELETE_TEXT], false); + OS.g_signal_connect_closure (entryHandle, OS.activate.ptr, display.closures [ACTIVATE], false); + } + int eventMask = OS.GDK_POINTER_MOTION_MASK | OS.GDK_BUTTON_PRESS_MASK | + OS.GDK_BUTTON_RELEASE_MASK; + GtkWidget*[] handles = [ buttonHandle, entryHandle, listHandle ]; + for (int i=0; i<handles.length; i++) { + auto eventHandle = handles [i]; + if (eventHandle !is null) { + /* Connect the mouse signals */ + OS.gtk_widget_add_events (eventHandle, eventMask); + OS.g_signal_connect_closure_by_id (eventHandle, display.signalIds [BUTTON_PRESS_EVENT], 0, display.closures [BUTTON_PRESS_EVENT], false); + OS.g_signal_connect_closure_by_id (eventHandle, display.signalIds [BUTTON_RELEASE_EVENT], 0, display.closures [BUTTON_RELEASE_EVENT], false); + OS.g_signal_connect_closure_by_id (eventHandle, display.signalIds [MOTION_NOTIFY_EVENT], 0, display.closures [MOTION_NOTIFY_EVENT], false); + /* + * Feature in GTK. Events such as mouse move are propagated up + * the widget hierarchy and are seen by the parent. This is the + * correct GTK behavior but not correct for SWT. The fix is to + * hook a signal after and stop the propagation using a negative + * event number to distinguish this case. + */ + OS.g_signal_connect_closure_by_id (eventHandle, display.signalIds [BUTTON_PRESS_EVENT], 0, display.closures [BUTTON_PRESS_EVENT_INVERSE], true); + OS.g_signal_connect_closure_by_id (eventHandle, display.signalIds [BUTTON_RELEASE_EVENT], 0, display.closures [BUTTON_RELEASE_EVENT_INVERSE], true); + OS.g_signal_connect_closure_by_id (eventHandle, display.signalIds [MOTION_NOTIFY_EVENT], 0, display.closures [MOTION_NOTIFY_EVENT_INVERSE], true); + + /* Connect the event_after signal for both key and mouse */ + if (eventHandle !is focusHandle ()) { + OS.g_signal_connect_closure_by_id (eventHandle, display.signalIds [EVENT_AFTER], 0, display.closures [EVENT_AFTER], false); + } + } + } + auto imContext = imContext (); + if (imContext !is null) { + OS.g_signal_connect_closure (imContext, OS.commit.ptr, display.closures [COMMIT], false); + int id = OS.g_signal_lookup (OS.commit.ptr, OS.gtk_im_context_get_type ()); + int blockMask = OS.G_SIGNAL_MATCH_DATA | OS.G_SIGNAL_MATCH_ID; + OS.g_signal_handlers_block_matched (imContext, blockMask, id, 0, null, null, entryHandle); + } +} + +GtkIMContext* imContext () { + return entryHandle !is null ? OS.GTK_ENTRY_IM_CONTEXT (cast(GtkEntry*)entryHandle) : null; +} + +/** + * Deselects the item at the given zero-relative index in the receiver's + * list. 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 SWTException <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(); + if (index < 0 || index >= items.length) return; + if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { + if (OS.gtk_combo_box_get_active (cast(GtkComboBox*)handle) is index) { + clearText (); + } + } else { + ignoreSelect = true; + auto children = OS.gtk_container_get_children (cast(GtkContainer*)listHandle); + auto item = cast(GtkWidget*)OS.g_list_nth_data (children, index); + bool selected = OS.GTK_WIDGET_STATE (item) is OS.GTK_STATE_SELECTED; + if (selected) { + OS.gtk_list_unselect_all (cast(GtkList*)listHandle); + OS.gtk_entry_set_text (cast(GtkEntry*)entryHandle, "".ptr ); + } + OS.g_list_free (children); + ignoreSelect = false; + } +} + +/** + * Deselects all selected items in the receiver's list. + * <p> + * Note: To clear the selection in the receiver's text field, + * use <code>clearSelection()</code>. + * </p> + * + * @exception SWTException <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 #clearSelection + */ +public void deselectAll () { + checkWidget(); + if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { + clearText (); + } else { + ignoreSelect = true; + OS.gtk_list_unselect_all (cast(GtkList*)listHandle); + OS.gtk_entry_set_text (cast(GtkEntry*)entryHandle, "".ptr ); + ignoreSelect = false; + } +} + + +override bool dragDetect(int x, int y, bool filter, bool* consume) { + if (filter && entryHandle !is null) { + int index; + int trailing; + auto layout = OS.gtk_entry_get_layout (cast(GtkEntry*)entryHandle); + OS.pango_layout_xy_to_index (layout, x * OS.PANGO_SCALE, y * OS.PANGO_SCALE, &index, &trailing); + auto ptr = OS.pango_layout_get_text (layout); + int position = cast(int)/*64*/OS.g_utf8_pointer_to_offset (ptr, ptr + index) + trailing; + Point selection = getSelection (); + if (selection.x <= position && position < selection.y) { + if (super.dragDetect (x, y, filter, consume)) { + if (consume !is null) *consume = true; + return true; + } + } + return false; + } + return super.dragDetect (x, y, filter, consume); +} + +override GtkWidget* enterExitHandle () { + return fixedHandle; +} + +override GdkDrawable* eventWindow () { + return paintWindow (); +} + +override GdkColor* getBackgroundColor () { + return getBaseColor (); +} + +override GdkColor* getForegroundColor () { + return getTextColor (); +} + +/** + * Returns the item at the given, zero-relative index in the + * receiver's list. 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 SWTException <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 char[] getItem (int index) { + checkWidget(); + if (!(0 <= index && index < items.length)) { + error (SWT.ERROR_INVALID_RANGE); + } + return items [index]; +} + +/** + * Returns the number of items contained in the receiver's list. + * + * @return the number of items + * + * @exception SWTException <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 items.length; +} + +/** + * Returns the height of the area which would be used to + * display <em>one</em> of the items in the receiver's list. + * + * @return the height of one item + * + * @exception SWTException <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(); + return fontHeight (getFontDescription (), listHandle !is null ? listHandle : handle); +} + +/** + * Returns a (possibly empty) array of <code>String</code>s which are + * the items in the receiver's list. + * <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's list + * + * @exception SWTException <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 char[] [] getItems () { + checkWidget(); + char[] [] result = new char[][](items.length); + System.arraycopy (items, 0, result, 0, items.length); + return result; +} + +/** + * Returns the orientation of the receiver. + * + * @return the orientation style + * + * @exception SWTException <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 2.1.2 + */ +public int getOrientation () { + checkWidget(); + return style & (SWT.LEFT_TO_RIGHT | SWT.RIGHT_TO_LEFT); +} + +/** + * Returns a <code>Point</code> whose x coordinate is the + * character position representing the start of the selection + * in the receiver's text field, and whose y coordinate is the + * character position representing the end of the selection. + * An "empty" selection is indicated by the x and y coordinates + * having the same value. + * <p> + * Indexing is zero based. The range of a selection is from + * 0..N where N is the number of characters in the widget. + * </p> + * + * @return a point representing the selection start and end + * + * @exception SWTException <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 Point getSelection () { + checkWidget (); + if ((style & SWT.READ_ONLY) !is 0) { + int length = 0; + if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { + int index = OS.gtk_combo_box_get_active (cast(GtkComboBox*)handle); + if (index !is -1) length = getItem (index).length; + } else { + auto str = OS.gtk_entry_get_text (cast(GtkEntry*)entryHandle); + if (str !is null) length = cast(int)/*64*/OS.g_utf8_strlen (str, -1); + } + return new Point (0, length); + } + int start; + int end; + if (entryHandle !is null) { + OS.gtk_editable_get_selection_bounds (cast(GtkEditable*)entryHandle, &start, &end); + } + return new Point(start, end); +} + +/** + * Returns the zero-relative index of the item which is currently + * selected in the receiver's list, or -1 if no item is selected. + * + * @return the index of the selected item + * + * @exception SWTException <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(); + if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { + return OS.gtk_combo_box_get_active (cast(GtkComboBox*)handle); + } + int index = 0, result = -1; + auto children = OS.gtk_container_get_children (cast(GtkContainer*)listHandle); + auto temp = children; + while (temp !is null) { + auto item = OS.g_list_data (temp); + if (OS.GTK_WIDGET_STATE (cast(GtkWidget*)item) is OS.GTK_STATE_SELECTED) { + result = index; + break; + } + index++; + temp = OS.g_list_next (temp); + } + OS.g_list_free (children); + return result; +} + +/** + * Returns a string containing a copy of the contents of the + * receiver's text field, or an empty string if there are no + * contents. + * + * @return the receiver's text + * + * @exception SWTException <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 char[] getText () { + checkWidget(); + if (entryHandle !is null) { + auto str = OS.gtk_entry_get_text (cast(GtkEntry*)entryHandle); + if (str is null) return ""; + return fromUtf8z(str).dup; + } else { + int index = OS.gtk_combo_box_get_active (cast(GtkComboBox*)handle); + return index !is -1 ? getItem (index) : ""; + } +} + +char[] getText (int start, int stop) { + /* + * NOTE: The current implementation uses substring () + * which can reference a potentially large character + * array. + */ + return getText ()[ start .. stop - 1]; +} + +/** + * Returns the height of the receivers's text field. + * + * @return the text height + * + * @exception SWTException <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 getTextHeight () { + checkWidget(); + GtkRequisition requisition; + gtk_widget_size_request (handle, &requisition); + return OS.GTK_WIDGET_REQUISITION_HEIGHT (handle); +} + +/** + * Returns the maximum number of characters that the receiver's + * text field is capable of holding. If this has not been changed + * by <code>setTextLimit()</code>, it will be the constant + * <code>Combo.LIMIT</code>. + * + * @return the text limit + * + * @exception SWTException <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 #LIMIT + */ +public int getTextLimit () { + checkWidget(); + int limit = entryHandle !is null ? OS.gtk_entry_get_max_length (cast(GtkEntry*)entryHandle) : 0; + return limit is 0 ? LIMIT : limit; +} + +/** + * Gets the number of items that are visible in the drop + * down portion of the receiver's list. + * <p> + * Note: This operation is a hint and is not supported on + * platforms that do not have this concept. + * </p> + * + * @return the number of items that are visible + * + * @exception SWTException <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 int getVisibleItemCount () { + checkWidget (); + return visibleCount; +} + +override int /*long*/ gtk_activate (GtkWidget* widget) { + postEvent (SWT.DefaultSelection); + return 0; +} + +override int gtk_changed (GtkWidget* widget) { + if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { + if (widget is handle) { + if (entryHandle is null) { + sendEvent(SWT.Modify); + if (isDisposed ()) return 0; + } + /* + * Feature in GTK. GTK emits a changed signal whenever + * the contents of a combo box are altered by typing or + * by selecting an item in the list, but the event should + * only be sent when the list is selected. The fix is to + * only send out a selection event when there is a selected + * item. + * + * NOTE: This code relies on GTK clearing the selected + * item and not matching the item as the user types. + */ + int index = OS.gtk_combo_box_get_active (cast(GtkComboBox*)handle); + if (index !is -1) postEvent (SWT.Selection); + return 0; + } + } else { + if (!ignoreSelect) { + auto ptr = OS.gtk_entry_get_text (cast(GtkEntry*)entryHandle); + char[] text = fromUtf8z(ptr).dup; + for (int i = 0; i < items.length; i++) { + if (items [i] ==/*eq*/ text) { + postEvent (SWT.Selection); + break; + } + } + } + } + /* + * Feature in GTK. When the user types, GTK positions + * the caret after sending the changed signal. This + * means that application code that attempts to position + * the caret during a changed signal will fail. The fix + * is to post the modify event when the user is typing. + */ + bool keyPress = false; + auto eventPtr = OS.gtk_get_current_event (); + if (eventPtr !is null) { + GdkEventKey* gdkEvent = cast(GdkEventKey*)eventPtr; + switch (gdkEvent.type) { + case OS.GDK_KEY_PRESS: + keyPress = true; + break; + default: + } + OS.gdk_event_free (eventPtr); + } + if (keyPress) { + postEvent (SWT.Modify); + } else { + sendEvent (SWT.Modify); + } + return 0; +} + +override int gtk_commit (GtkIMContext* imContext, char* text) { + if (text is null) return 0; + if (!OS.gtk_editable_get_editable (cast(GtkEditable*)entryHandle)) return 0; + char [] chars = fromUtf8z(text); + if (chars.length is 0) return 0; + char [] newChars = sendIMKeyEvent (SWT.KeyDown, null, chars); + if (newChars is null) return 0; + /* + * Feature in GTK. For a GtkEntry, during the insert-text signal, + * GTK allows the programmer to change only the caret location, + * not the selection. If the programmer changes the selection, + * the new selection is lost. The fix is to detect a selection + * change and set it after the insert-text signal has completed. + */ + fixStart = fixEnd = -1; + OS.g_signal_handlers_block_matched (imContext, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCOMMIT); + int id = OS.g_signal_lookup (OS.commit.ptr, OS.gtk_im_context_get_type ()); + int mask = OS.G_SIGNAL_MATCH_DATA | OS.G_SIGNAL_MATCH_ID; + OS.g_signal_handlers_unblock_matched (imContext, mask, id, 0, null, null, entryHandle); + if (newChars is chars) { + OS.g_signal_emit_by_name1 (imContext, OS.commit.ptr, cast(int)text); + } else { + OS.g_signal_emit_by_name1 (imContext, OS.commit.ptr, cast(int)toStringz(newChars)); + } + OS.g_signal_handlers_unblock_matched (imContext, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCOMMIT); + OS.g_signal_handlers_block_matched (imContext, mask, id, 0, null, null, entryHandle); + if (fixStart !is -1 && fixEnd !is -1) { + OS.gtk_editable_set_position (cast(GtkEditable*)entryHandle, fixStart); + OS.gtk_editable_select_region (cast(GtkEditable*)entryHandle, fixStart, fixEnd); + } + fixStart = fixEnd = -1; + return 0; +} + +override int gtk_delete_text (GtkWidget* widget, int start_pos, int end_pos) { + if (lockText) { + OS.gtk_list_unselect_item (cast(GtkList*)listHandle, 0); + OS.g_signal_stop_emission_by_name (entryHandle, OS.delete_text.ptr); + return 0; + } + if (!hooks (SWT.Verify) && !filters (SWT.Verify)) return 0; + char[] newText = verifyText ("", cast(int)/*64*/start_pos, cast(int)/*64*/end_pos); + if (newText is null) { + OS.g_signal_stop_emission_by_name (entryHandle, OS.delete_text.ptr); + } else { + if (newText.length > 0) { + int pos; + pos = cast(int)/*64*/end_pos; + OS.g_signal_handlers_block_matched (entryHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); + OS.g_signal_handlers_block_matched (entryHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udINSERT_TEXT); + OS.gtk_editable_insert_text (cast(GtkEditable*)entryHandle, newText.ptr, newText.length, &pos); + OS.g_signal_handlers_unblock_matched (entryHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udINSERT_TEXT); + OS.g_signal_handlers_unblock_matched (entryHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); + OS.gtk_editable_set_position (cast(GtkEditable*)entryHandle, pos ); + } + } + return 0; +} + +override int gtk_focus_out_event (GtkWidget* widget, GdkEventFocus* event) { + fixIM (); + return super.gtk_focus_out_event (widget, event); +} + +override int gtk_insert_text (GtkEditable* widget, char* new_text, int new_text_length, int position) { + if (lockText) { + OS.gtk_list_unselect_item (cast(GtkList*)listHandle, 0); + OS.g_signal_stop_emission_by_name (entryHandle, OS.insert_text.ptr); + return 0; + } + if (!hooks (SWT.Verify) && !filters (SWT.Verify)) return 0; + if (new_text is null || new_text_length is 0) return 0; + char[] oldText = new_text[0..new_text_length]; + int pos; + pos = position; + if (pos is -1) { + auto ptr = OS.gtk_entry_get_text (cast(GtkEntry*)entryHandle); + pos = fromUtf8z(ptr).length; + } + char[] newText = verifyText (oldText, pos, pos); + if (newText !is oldText) { + int newStart, newEnd; + OS.gtk_editable_get_selection_bounds (cast(GtkEditable*)entryHandle, &newStart, &newEnd); + if (newText !is null) { + if (newStart !is newEnd) { + OS.g_signal_handlers_block_matched (entryHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udDELETE_TEXT); + OS.g_signal_handlers_block_matched (entryHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); + OS.gtk_editable_delete_selection (cast(GtkEditable*)entryHandle); + OS.g_signal_handlers_unblock_matched (entryHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udDELETE_TEXT); + OS.g_signal_handlers_unblock_matched (entryHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); + } + OS.g_signal_handlers_block_matched (entryHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udINSERT_TEXT); + OS.gtk_editable_insert_text (cast(GtkEditable*)entryHandle, newText.ptr, newText.length, &pos); + OS.g_signal_handlers_unblock_matched (entryHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udINSERT_TEXT); + newStart = newEnd = pos; + } + pos = newEnd; + if (newStart !is newEnd) { + fixStart = newStart; + fixEnd = newEnd; + } + position = pos; + OS.g_signal_stop_emission_by_name (entryHandle, OS.insert_text.ptr); + } + return 0; +} + +override int gtk_key_press_event (GtkWidget* widget, GdkEventKey* event) { + auto result = super.gtk_key_press_event (widget, event); + if (result !is 0) fixIM (); + if (gdkEventKey is cast(GdkEventKey*)-1) result = 1; + gdkEventKey = null; + return result; +} + +/** + * 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 string the search item + * @return the index of the item + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the string is null</li> + * </ul> + * @exception SWTException <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 (char[] string) { + checkWidget(); + return indexOf (string, 0); +} + +/** + * Searches the receiver's list starting at the given, + * zero-relative index until an item is found that is equal + * to the argument, and returns the index of that item. If + * no item is found or the starting index is out of range, + * returns -1. + * + * @param string the search item + * @param start the zero-relative index at which to begin the search + * @return the index of the item + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the string is null</li> + * </ul> + * @exception SWTException <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 (char[] string, int start) { + checkWidget(); + if (string is null) error (SWT.ERROR_NULL_ARGUMENT); + if (!(0 <= start && start < items.length)) return -1; + for (int i=start; i<items.length; i++) { + if (string==/*eq*/items [i]) return i; + } + return -1; +} + +GdkDrawable* paintWindow () { + auto childHandle = entryHandle !is null ? entryHandle : handle; + OS.gtk_widget_realize (childHandle); + auto window = OS.GTK_WIDGET_WINDOW (childHandle); + if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { + if ((style & SWT.READ_ONLY) !is 0) return window; + } + auto children = OS.gdk_window_get_children (window); + if (children !is null) window = cast(GdkDrawable*)OS.g_list_data (children); + OS.g_list_free (children); + return window; +} + +/** + * Pastes text from clipboard. + * <p> + * The selected text is deleted from the widget + * and new text inserted from the clipboard. + * </p> + * + * @exception SWTException <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 2.1 + */ +public void paste () { + checkWidget (); + if (entryHandle !is null) OS.gtk_editable_paste_clipboard (cast(GtkEditable*)entryHandle); +} + +override GtkWidget* parentingHandle() { + return fixedHandle; +} + +override void register () { + super.register (); + if (buttonHandle !is null) display.addWidget (buttonHandle, this); + if (entryHandle !is null) display.addWidget (entryHandle, this); + if (listHandle !is null) display.addWidget (listHandle, this); + auto imContext = imContext (); + if (imContext !is null) display.addWidget (cast(GtkWidget*)imContext, this); +} + +override void releaseHandle () { + super.releaseHandle (); + buttonHandle = entryHandle = listHandle = null; +} + +override void releaseWidget () { + super.releaseWidget (); + textRenderer = null; + fixIM (); +} + +/** + * Removes the item from the receiver's list 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 SWTException <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(); + if (!(0 <= index && index < items.length)) { + error (SWT.ERROR_INVALID_RANGE); + } + char[] [] oldItems = items; + char[] [] newItems = new char[][]( oldItems.length - 1 ); + System.arraycopy (oldItems, 0, newItems, 0, index); + System.arraycopy (oldItems, index + 1, newItems, index, oldItems.length - index - 1); + items = newItems; + if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { + if (OS.gtk_combo_box_get_active (cast(GtkComboBox*)handle) is index) clearText (); + OS.gtk_combo_box_remove_text (cast(GtkComboBox*)handle, index); + } else { + ignoreSelect = true; + auto children = OS.gtk_container_get_children (cast(GtkContainer*)listHandle); + auto item = OS.g_list_nth_data (children, index); + bool selected = OS.GTK_WIDGET_STATE (cast(GtkWidget*)item) is OS.GTK_STATE_SELECTED; + auto items = OS.g_list_append (null, item); + OS.gtk_list_remove_items (cast(GtkList*)listHandle, items); + OS.g_list_free (items); + OS.g_list_free (children); + if (selected) { + OS.gtk_entry_set_text (cast(GtkEntry*)entryHandle, "".ptr); + } + ignoreSelect = false; + } +} + +/** + * Removes the items from the receiver's list 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 SWTException <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; + if (!(0 <= start && start <= end && end < items.length)) { + error (SWT.ERROR_INVALID_RANGE); + } + char[] [] oldItems = items; + char[] [] newItems = new char[][](oldItems.length - (end - start + 1)); + System.arraycopy (oldItems, 0, newItems, 0, start); + System.arraycopy (oldItems, end + 1, newItems, start, oldItems.length - end - 1); + items = newItems; + if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { + int index = OS.gtk_combo_box_get_active (cast(GtkComboBox*)handle); + if (start <= index && index <= end) clearText(); + for (int i = end; i >= start; i--) { + OS.gtk_combo_box_remove_text (cast(GtkComboBox*)handle, i); + } + } else { + bool selected = false; + ignoreSelect = true; + GList* items; + auto children = OS.gtk_container_get_children (cast(GtkContainer*)listHandle); + for (int i = start; i <= end; i++) { + auto item = OS.g_list_nth_data (children, i); + selected |= OS.GTK_WIDGET_STATE (cast(GtkWidget*)item) is OS.GTK_STATE_SELECTED; + items = OS.g_list_append (items, item); + } + OS.gtk_list_remove_items (cast(GtkList*)listHandle, items); + OS.g_list_free (items); + OS.g_list_free (children); + if (selected) { + OS.gtk_entry_set_text (cast(GtkEntry*)entryHandle, "".ptr ); + } + ignoreSelect = false; + } +} + +/** + * Searches the receiver's list starting at the first item + * until an item is found that is equal to the argument, + * and removes that item from the list. + * + * @param string the item to remove + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the string is null</li> + * <li>ERROR_INVALID_ARGUMENT - if the string is not found in the list</li> + * </ul> + * @exception SWTException <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 (char[] string) { + checkWidget(); + if (string is null) error (SWT.ERROR_NULL_ARGUMENT); + int index = indexOf (string, 0); + if (index is -1) error (SWT.ERROR_INVALID_ARGUMENT); + remove (index); +} + +/** + * Removes all of the items from the receiver's list and clear the + * contents of receiver's text field. + * <p> + * @exception SWTException <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 count = items.length; + items = null; + if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { + clearText (); + for (int i = count - 1; i >= 0; i--) { + OS.gtk_combo_box_remove_text (cast(GtkComboBox*)handle, i); + } + } else { + ignoreSelect = true; + OS.gtk_list_clear_items (cast(GtkList*)listHandle, 0, -1); + OS.gtk_entry_set_text (cast(GtkEntry*)entryHandle, "".ptr); + ignoreSelect = false; + } +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the receiver's text is modified. + * + * @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 SWTException <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 ModifyListener + * @see #addModifyListener + */ +public void removeModifyListener (ModifyListener listener) { + checkWidget(); + if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable is null) return; + eventTable.unhook (SWT.Modify, listener); +} + +/** + * 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 SWTException <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 (SWT.ERROR_NULL_ARGUMENT); + if (eventTable is null) return; + eventTable.unhook (SWT.Selection, listener); + eventTable.unhook (SWT.DefaultSelection,listener); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the control is verified. + * + * @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 SWTException <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 VerifyListener + * @see #addVerifyListener + * + * @since 3.1 + */ +public void removeVerifyListener (VerifyListener listener) { + checkWidget (); + if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable is null) return; + eventTable.unhook (SWT.Verify, listener); +} + +/** + * Selects the item at the given zero-relative index in the receiver's + * list. 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 SWTException <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(); + if (index < 0 || index >= items.length) return; + if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { + OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); + OS.gtk_combo_box_set_active (cast(GtkComboBox*)handle, index); + OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); + } else { + ignoreSelect = true; + OS.gtk_list_select_item (cast(GtkList*)listHandle, index); + ignoreSelect = false; + } +} + +override void setBackgroundColor (GdkColor* color) { + super.setBackgroundColor (color); + if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { + if (entryHandle !is null) OS.gtk_widget_modify_base (entryHandle, 0, color); + OS.g_object_set1 (textRenderer, OS.background_gdk.ptr, cast(int)color); + } else { + OS.gtk_widget_modify_base (entryHandle, 0, color); + if (listHandle !is null) OS.gtk_widget_modify_base (listHandle, 0, color); + } +} + +int setBounds (int x, int y, int width, int height, bool move, bool resize) { + int newHeight = resize ? getTextHeight () : height; + return super.setBounds (x, y, width, newHeight, move, resize); +} + +override void setFontDescription (PangoFontDescription* font) { + super.setFontDescription (font); + if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { + if (entryHandle !is null) OS.gtk_widget_modify_font (entryHandle, font); + OS.g_object_set1 (textRenderer, OS.font_desc.ptr, cast(int)font); + if ((style & SWT.READ_ONLY) !is 0) { + /* + * Bug in GTK. Setting the font can leave the combo box with an + * invalid minimum size. The fix is to temporarily change the + * selected item to force the combo box to resize. + */ + int index = OS.gtk_combo_box_get_active (cast(GtkComboBox*)handle); + OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); + OS.gtk_combo_box_set_active (cast(GtkComboBox*)handle, -1); + OS.gtk_combo_box_set_active (cast(GtkComboBox*)handle, index); + OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); + } + } else { + OS.gtk_widget_modify_font (entryHandle, font); + if (listHandle !is null) { + OS.gtk_widget_modify_font (listHandle, font); + auto itemsList = OS.gtk_container_get_children (cast(GtkContainer*)listHandle); + if (itemsList !is null) { + int count = OS.g_list_length (itemsList); + for (int i=count - 1; i>=0; i--) { + auto widget = OS.gtk_bin_get_child (cast(GtkBin*)OS.g_list_nth_data (itemsList, i)); + OS.gtk_widget_modify_font (widget, font); + } + OS.g_list_free (itemsList); + } + } + } +} + +alias Composite.setForegroundColor setForegroundColor; +void setForegroundColor (GdkColor* color) { + super.setForegroundColor (color); + if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { + if (entryHandle !is null) setForegroundColor (entryHandle, color); + OS.g_object_set1 (textRenderer, OS.foreground_gdk.ptr, cast(int)color); + } else { + setForegroundColor (entryHandle, color); + if (listHandle !is null) { + setForegroundColor (listHandle, color); + auto itemsList = OS.gtk_container_get_children (cast(GtkContainer*)listHandle); + if (itemsList !is null) { + int count = OS.g_list_length (itemsList); + for (int i=count - 1; i>=0; i--) { + auto widget = OS.gtk_bin_get_child (cast(GtkBin*)OS.g_list_nth_data (itemsList, i)); + setForegroundColor (widget, color); + } + OS.g_list_free (itemsList); + } + } + } +} + +/** + * Sets the text of the item in the receiver's list at the given + * zero-relative index to the string argument. + * + * @param index the index for the item + * @param string the new text 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> + * <li>ERROR_NULL_ARGUMENT - if the string is null</li> + * </ul> + * @exception SWTException <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 setItem (int index, char[] string) { + checkWidget(); + if (string is null) error (SWT.ERROR_NULL_ARGUMENT); + if (!(0 <= index && index < items.length)) { + error (SWT.ERROR_INVALID_ARGUMENT); + } + items [index] = string; + char* buffer = toStringz(string); + if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { + OS.gtk_combo_box_remove_text (cast(GtkComboBox*)handle, index); + OS.gtk_combo_box_insert_text (cast(GtkComboBox*)handle, index, buffer); + } else { + ignoreSelect = true; + auto children = OS.gtk_container_get_children (cast(GtkContainer*)listHandle); + auto item = OS.g_list_nth_data (children, index); + auto label = OS.gtk_bin_get_child (cast(GtkBin*)item); + OS.gtk_label_set_text (cast(GtkLabel*)label, buffer); + OS.g_list_free (children); + ignoreSelect = false; + } +} + +/** + * Sets the receiver's list to be the given array of items. + * + * @param items the array of items + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the items array is null</li> + * <li>ERROR_INVALID_ARGUMENT - if an item in the items array is null</li> + * </ul> + * @exception SWTException <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 setItems (char[] [] items) { + checkWidget(); + if (items is null) error (SWT.ERROR_NULL_ARGUMENT); + for (int i=0; i<items.length; i++) { + if (items [i] is null) error (SWT.ERROR_INVALID_ARGUMENT); + } + int count = this.items.length; + this.items = new char[][](items.length); + System.arraycopy (items, 0, this.items, 0, items.length); + if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { + clearText (); + for (int i = count - 1; i >= 0; i--) { + OS.gtk_combo_box_remove_text (cast(GtkComboBox*)handle, i); + } + for (int i = 0; i < items.length; i++) { + char[] string = items [i]; + char* buffer = toStringz(string); + OS.gtk_combo_box_insert_text (cast(GtkComboBox*)handle, i, buffer); + } + } else { + lockText = ignoreSelect = true; + OS.gtk_list_clear_items (cast(GtkList*)listHandle, 0, -1); + auto font = getFontDescription (); + GdkColor* color = getForegroundColor (); + int direction = OS.gtk_widget_get_direction (handle); + int i = 0; + while (i < items.length) { + char[] string = items [i]; + char * buffer = toStringz(string); + auto item = OS.gtk_list_item_new_with_label (buffer); + auto label = OS.gtk_bin_get_child (cast(GtkBin*)item); + setForegroundColor (label, color); + OS.gtk_widget_modify_font (label, font); + OS.gtk_widget_set_direction (label, direction); + OS.gtk_container_add (cast(GtkContainer*)listHandle, item); + OS.gtk_widget_show (item); + i++; + } + lockText = ignoreSelect = false; + OS.gtk_entry_set_text (cast(GtkEntry*)entryHandle, "".ptr); + } +} + +/*public*/ void setListVisible (bool visible) { + checkWidget (); + if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { + if (visible) { + OS.gtk_combo_box_popup (cast(GtkComboBox*)handle); + } else { + OS.gtk_combo_box_popdown (cast(GtkComboBox*)handle); + } + } +} + +void setOrientation() { + super.setOrientation(); + if ((style & SWT.RIGHT_TO_LEFT) !is 0) { + if (listHandle !is null) OS.gtk_widget_set_direction (listHandle, OS.GTK_TEXT_DIR_RTL); + if (entryHandle !is null) OS.gtk_widget_set_direction (entryHandle, OS.GTK_TEXT_DIR_RTL); + } +} + +/** + * Sets the orientation of the receiver, which must be one + * of the constants <code>SWT.LEFT_TO_RIGHT</code> or <code>SWT.RIGHT_TO_LEFT</code>. + * <p> + * + * @param orientation new orientation style + * + * @exception SWTException <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 2.1.2 + */ +public void setOrientation (int orientation) { + checkWidget(); + int flags = SWT.RIGHT_TO_LEFT | SWT.LEFT_TO_RIGHT; + if ((orientation & flags) is 0 || (orientation & flags) is flags) return; + style &= ~flags; + style |= orientation & flags; + int dir = (orientation & SWT.RIGHT_TO_LEFT) !is 0 ? OS.GTK_TEXT_DIR_RTL : OS.GTK_TEXT_DIR_LTR; + OS.gtk_widget_set_direction (fixedHandle, dir); + OS.gtk_widget_set_direction (handle, dir); + if (entryHandle !is null) OS.gtk_widget_set_direction (entryHandle, dir); + if (listHandle !is null) { + OS.gtk_widget_set_direction (listHandle, dir); + auto itemsList = OS.gtk_container_get_children (cast(GtkContainer*)listHandle); + if (itemsList !is null) { + int count = OS.g_list_length (itemsList); + for (int i=count - 1; i>=0; i--) { + auto widget = OS.gtk_bin_get_child (cast(GtkBin*)OS.g_list_nth_data (itemsList, i)); + OS.gtk_widget_set_direction (widget, dir); + } + OS.g_list_free (itemsList); + } + } +} + +/** + * Sets the selection in the receiver's text field to the + * range specified by the argument whose x coordinate is the + * start of the selection and whose y coordinate is the end + * of the selection. + * + * @param selection a point representing the new selection start and end + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the point is null</li> + * </ul> + * @exception SWTException <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 setSelection (Point selection) { + checkWidget(); + if (selection is null) error (SWT.ERROR_NULL_ARGUMENT); + if ((style & SWT.READ_ONLY) !is 0) return; + if (entryHandle !is null) { + OS.gtk_editable_set_position (cast(GtkEditable*)entryHandle, selection.x); + OS.gtk_editable_select_region (cast(GtkEditable*)entryHandle, selection.x, selection.y); + } +} + +/** + * Sets the contents of the receiver's text field to the + * given string. + * <p> + * Note: The text field in a <code>Combo</code> is typically + * only capable of displaying a single line of text. Thus, + * setting the text to a string containing line breaks or + * other special characters will probably cause it to + * display incorrectly. + * </p> + * + * @param string the new text + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the string is null</li> + * </ul> + * @exception SWTException <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 setText (char[] string) { + checkWidget(); + if (string is null) error (SWT.ERROR_NULL_ARGUMENT); + if ((style & SWT.READ_ONLY) !is 0) { + int index = indexOf (string); + if (index is -1) return; + if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { + OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); + OS.gtk_combo_box_set_active (cast(GtkComboBox*)handle, index); + OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); + return; + } + } + /* + * Feature in gtk. When text is set in gtk, separate events are fired for the deletion and + * insertion of the text. This is not wrong, but is inconsistent with other platforms. The + * fix is to block the firing of these events and fire them ourselves in a consistent manner. + */ + if (hooks (SWT.Verify) || filters (SWT.Verify)) { + auto ptr = OS.gtk_entry_get_text (cast(GtkEntry*)entryHandle); + string = verifyText (string, 0, cast(int)/*64*/OS.g_utf8_strlen (ptr, -1)); + if (string is null) return; + } + auto buffer = toStringz(string); + if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { + OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); + } + OS.g_signal_handlers_block_matched (entryHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); + OS.g_signal_handlers_block_matched (entryHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udDELETE_TEXT); + OS.g_signal_handlers_block_matched (entryHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udINSERT_TEXT); + OS.gtk_entry_set_text (cast(GtkEntry*)entryHandle, buffer); + if (OS.GTK_VERSION >= OS.buildVERSION (2, 4, 0)) { + OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); + } + OS.g_signal_handlers_unblock_matched (entryHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); + OS.g_signal_handlers_unblock_matched (entryHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udDELETE_TEXT); + OS.g_signal_handlers_unblock_matched (entryHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udINSERT_TEXT); + sendEvent (SWT.Modify); +} + +/** + * Sets the maximum number of characters that the receiver's + * text field is capable of holding to be the argument. + * <p> + * To reset this value to the default, use <code>setTextLimit(Combo.LIMIT)</code>. + * Specifying a limit value larger than <code>Combo.LIMIT</code> sets the + * receiver's limit to <code>Combo.LIMIT</code>. + * </p> + * @param limit new text limit + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_CANNOT_BE_ZERO - if the limit is zero</li> + * </ul> + * @exception SWTException <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 #LIMIT + */ +public void setTextLimit (int limit) { + checkWidget(); + if (limit is 0) error (SWT.ERROR_CANNOT_BE_ZERO); + if (entryHandle !is null) OS.gtk_entry_set_max_length (cast(GtkEntry*)entryHandle, limit); +} + +void setToolTipText (Shell shell, char[] newString) { + if (entryHandle !is null) shell.setToolTipText (entryHandle, newString); + if (buttonHandle !is null) shell.setToolTipText (buttonHandle, newString); +} + +/** + * Sets the number of items that are visible in the drop + * down portion of the receiver's list. + * <p> + * Note: This operation is a hint and is not supported on + * platforms that do not have this concept. + * </p> + * + * @param count the new number of items to be visible + * + * @exception SWTException <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 setVisibleItemCount (int count) { + checkWidget (); + if (count < 0) return; + visibleCount = count; +} + +override bool translateTraversal (GdkEventKey* keyEvent) { + int key = keyEvent.keyval; + switch (key) { + case OS.GDK_KP_Enter: + case OS.GDK_Return: { + auto imContext = imContext (); + if (imContext !is null) { + char* preeditString; + OS.gtk_im_context_get_preedit_string (cast(GtkIMContext*)imContext, &preeditString, null, null); + if (preeditString !is null) { + int length = fromUtf8z(preeditString).length; + OS.g_free (preeditString); + if (length !is 0) return false; + } + } + } + default: + } + return super.translateTraversal (keyEvent); +} + +char[] verifyText (char[] string, int start, int end) { + if (string.length is 0 && start is end) return null; + Event event = new Event (); + event.text = string; + event.start = start; + event.end = end; + auto eventPtr = OS.gtk_get_current_event (); + if (eventPtr !is null) { + GdkEventKey* gdkEvent = cast(GdkEventKey*)eventPtr; + switch (gdkEvent.type) { + case OS.GDK_KEY_PRESS: + setKeyState (event, gdkEvent); + break; + default: + } + OS.gdk_event_free (eventPtr); + } + /* + * It is possible (but unlikely), that application + * code could have disposed the widget in the verify + * event. If this happens, answer null to cancel + * the operation. + */ + sendEvent (SWT.Verify, event); + if (!event.doit || isDisposed ()) return null; + return event.text; +} + +}
--- a/dwt/widgets/Display.d Mon Jan 14 02:06:07 2008 +0100 +++ b/dwt/widgets/Display.d Tue Jan 15 04:10:36 2008 +0100 @@ -595,6 +595,11 @@ eventTable.hook (eventType, listener); } +void allChildrenCollect( GtkWidget* widget, int recurse ){ + allChildrenProcCallbackData.display = this; + allChildrenProcCallbackData.data = cast(void*)recurse; + OS.gtk_container_forall (cast(GtkContainer*)widget, cast(GtkCallback)&allChildrenProcFunc, &allChildrenProcCallbackData); +} private static extern(C) int /*long*/ allChildrenProcFunc (GtkWidget* handle, void* user_data) { version(LOG) Stderr.formatln( "Display {}:", __LINE__ ).flush; CallbackData* cbdata = cast(CallbackData*)user_data;