Mercurial > projects > dwt-linux
changeset 100:3ec1765539d0
CCombo
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Fri, 18 Jan 2008 03:19:49 +0100 |
| parents | 33959bbb30af |
| children | 0b1b010f772c |
| files | dwt/custom/CCombo.d dwt/widgets/Canvas.d dwt/widgets/List.d dwt/widgets/Shell.d |
| diffstat | 4 files changed, 1633 insertions(+), 1 deletions(-) [+] |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dwt/custom/CCombo.d Fri Jan 18 03:19:49 2008 +0100 @@ -0,0 +1,1629 @@ +/******************************************************************************* + * 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.custom.CCombo; + + + +import dwt.DWT; +import dwt.DWTException; +import dwt.accessibility.ACC; +import dwt.accessibility.AccessibleAdapter; +import dwt.accessibility.AccessibleControlAdapter; +import dwt.accessibility.AccessibleControlEvent; +import dwt.accessibility.AccessibleEvent; +import dwt.accessibility.AccessibleTextAdapter; +import dwt.accessibility.AccessibleTextEvent; +import dwt.events.ModifyListener; +import dwt.events.SelectionEvent; +import dwt.events.SelectionListener; +import dwt.events.VerifyListener; +import dwt.graphics.Color; +import dwt.graphics.Font; +import dwt.graphics.GC; +import dwt.graphics.Point; +import dwt.graphics.Rectangle; +import dwt.widgets.Button; +import dwt.widgets.Composite; +import dwt.widgets.Control; +import dwt.widgets.Display; +import dwt.widgets.Event; +import dwt.widgets.Label; +import dwt.widgets.Layout; +import dwt.widgets.List; +import dwt.widgets.Listener; +import dwt.widgets.Menu; +import dwt.widgets.Shell; +import dwt.widgets.Text; +import dwt.widgets.TypedListener; +import dwt.widgets.Widget; + +static import tango.text.convert.Utf; +static import tango.text.Unicode; +static import tango.text.convert.Format; + +/** + * The CCombo class represents a selectable user interface object + * that combines a text field and a list and issues notification + * when an item is selected from the list. + * <p> + * CCombo was written to work around certain limitations in the native + * combo box. Specifically, on win32, the height of a CCombo can be set; + * attempts to set the height of a Combo are ignored. CCombo can be used + * anywhere that having the increased flexibility is more important than + * getting native L&F, but the decision should not be taken lightly. + * There is no is no strict requirement that CCombo look or behave + * the same as the native combo box. + * </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> + * <dd>BORDER, READ_ONLY, FLAT</dd> + * <dt><b>Events:</b> + * <dd>DefaultSelection, Modify, Selection, Verify</dd> + * </dl> + */ +public final class CCombo : Composite { + + Text text; + List list; + int visibleItemCount = 5; + Shell popup; + Button arrow; + bool hasFocus; + Listener listener, filter; + Color foreground, background; + Font font; + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>DWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>DWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a widget which will be the parent of the new instance (cannot be null) + * @param style the style of widget 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> + * </ul> + * + * @see DWT#BORDER + * @see DWT#READ_ONLY + * @see DWT#FLAT + * @see Widget#getStyle() + */ +public this (Composite parent, int style) { + super (parent, style = checkStyle (style)); + + int textStyle = DWT.SINGLE; + if ((style & DWT.READ_ONLY) !is 0) textStyle |= DWT.READ_ONLY; + if ((style & DWT.FLAT) !is 0) textStyle |= DWT.FLAT; + text = new Text (this, textStyle); + int arrowStyle = DWT.ARROW | DWT.DOWN; + if ((style & DWT.FLAT) !is 0) arrowStyle |= DWT.FLAT; + arrow = new Button (this, arrowStyle); + + listener = new class() Listener { + public void handleEvent (Event event) { + if (popup is event.widget) { + popupEvent (event); + return; + } + if (text is event.widget) { + textEvent (event); + return; + } + if (list is event.widget) { + listEvent (event); + return; + } + if (arrow is event.widget) { + arrowEvent (event); + return; + } + if (this.outer is event.widget) { + comboEvent (event); + return; + } + if (getShell () is event.widget) { + handleFocus (DWT.FocusOut); + } + } + }; + filter = new class() Listener { + public void handleEvent(Event event) { + Shell shell = (cast(Control)event.widget).getShell (); + if (shell is this.outer.getShell ()) { + handleFocus (DWT.FocusOut); + } + } + }; + + int [] comboEvents = [DWT.Dispose, DWT.Move, DWT.Resize]; + for (int i=0; i<comboEvents.length; i++) this.addListener (comboEvents [i], listener); + + int [] textEvents = [DWT.KeyDown, DWT.KeyUp, DWT.MenuDetect, DWT.Modify, DWT.MouseDown, DWT.MouseUp, DWT.Traverse, DWT.FocusIn, DWT.Verify]; + for (int i=0; i<textEvents.length; i++) text.addListener (textEvents [i], listener); + + int [] arrowEvents = [DWT.Selection, DWT.FocusIn]; + for (int i=0; i<arrowEvents.length; i++) arrow.addListener (arrowEvents [i], listener); + + createPopup(null, -1); + initAccessible(); +} +static int checkStyle (int style) { + int mask = DWT.BORDER | DWT.READ_ONLY | DWT.FLAT | DWT.LEFT_TO_RIGHT | DWT.RIGHT_TO_LEFT; + return style & mask; +} +/** + * 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 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 #add(String,int) + */ +public void add (char[] string) { + checkWidget(); + if (string is null) DWT.error (DWT.ERROR_NULL_ARGUMENT); + list.add (string); +} +/** + * 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 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 #add(String) + */ +public void add (char[] string, int index) { + checkWidget(); + if (string is null) DWT.error (DWT.ERROR_NULL_ARGUMENT); + list.add (string, index); +} +/** + * 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 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 ModifyListener + * @see #removeModifyListener + */ +public void addModifyListener (ModifyListener listener) { + checkWidget(); + if (listener is null) DWT.error (DWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (DWT.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 combo's list selection changes. + * <code>widgetDefaultSelected</code> is typically called when ENTER is pressed the combo's text area. + * </p> + * + * @param listener the listener which should be notified when the user changes the receiver's selection + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #removeSelectionListener + * @see SelectionEvent + */ +public void addSelectionListener(SelectionListener listener) { + checkWidget(); + if (listener is null) DWT.error (DWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (DWT.Selection,typedListener); + addListener (DWT.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 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 VerifyListener + * @see #removeVerifyListener + * + * @since 3.3 + */ +public void addVerifyListener (VerifyListener listener) { + checkWidget(); + if (listener is null) DWT.error (DWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (DWT.Verify,typedListener); +} +void arrowEvent (Event event) { + switch (event.type) { + case DWT.FocusIn: { + handleFocus (DWT.FocusIn); + break; + } + case DWT.Selection: { + dropDown (!isDropped ()); + break; + } + } +} +/** + * 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 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 #deselectAll + */ +public void clearSelection () { + checkWidget (); + text.clearSelection (); + list.deselectAll (); +} +void comboEvent (Event event) { + switch (event.type) { + case DWT.Dispose: + if (popup !is null && !popup.isDisposed ()) { + list.removeListener (DWT.Dispose, listener); + popup.dispose (); + } + Shell shell = getShell (); + shell.removeListener (DWT.Deactivate, listener); + Display display = getDisplay (); + display.removeFilter (DWT.FocusIn, filter); + popup = null; + text = null; + list = null; + arrow = null; + break; + case DWT.Move: + dropDown (false); + break; + case DWT.Resize: + internalLayout (false); + break; + } +} + +public Point computeSize (int wHint, int hHint, bool changed) { + checkWidget (); + int width = 0, height = 0; + char[][] items = list.getItems (); + GC gc = new GC (text); + int spacer = gc.stringExtent (" ").x; //$NON-NLS-1$ + int textWidth = gc.stringExtent (text.getText ()).x; + for (int i = 0; i < items.length; i++) { + textWidth = Math.max (gc.stringExtent (items[i]).x, textWidth); + } + gc.dispose (); + Point textSize = text.computeSize (DWT.DEFAULT, DWT.DEFAULT, changed); + Point arrowSize = arrow.computeSize (DWT.DEFAULT, DWT.DEFAULT, changed); + Point listSize = list.computeSize (DWT.DEFAULT, DWT.DEFAULT, changed); + int borderWidth = getBorderWidth (); + + height = Math.max (textSize.y, arrowSize.y); + width = Math.max (textWidth + 2*spacer + arrowSize.x + 2*borderWidth, listSize.x); + if (wHint !is DWT.DEFAULT) width = wHint; + if (hHint !is DWT.DEFAULT) height = hHint; + return new Point (width + 2*borderWidth, height + 2*borderWidth); +} +/** + * Copies the selected text. + * <p> + * The current selection is copied to the clipboard. + * </p> + * + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.3 + */ +public void copy () { + checkWidget (); + text.copy (); +} +void createPopup(char[][] items, int selectionIndex) { + // create shell and list + popup = new Shell (getShell (), DWT.NO_TRIM | DWT.ON_TOP); + int style = getStyle (); + int listStyle = DWT.SINGLE | DWT.V_SCROLL; + if ((style & DWT.FLAT) !is 0) listStyle |= DWT.FLAT; + if ((style & DWT.RIGHT_TO_LEFT) !is 0) listStyle |= DWT.RIGHT_TO_LEFT; + if ((style & DWT.LEFT_TO_RIGHT) !is 0) listStyle |= DWT.LEFT_TO_RIGHT; + list = new List (popup, listStyle); + if (font !is null) list.setFont (font); + if (foreground !is null) list.setForeground (foreground); + if (background !is null) list.setBackground (background); + + int [] popupEvents = [DWT.Close, DWT.Paint, DWT.Deactivate]; + for (int i=0; i<popupEvents.length; i++) popup.addListener (popupEvents [i], listener); + int [] listEvents = [DWT.MouseUp, DWT.Selection, DWT.Traverse, DWT.KeyDown, DWT.KeyUp, DWT.FocusIn, DWT.Dispose]; + for (int i=0; i<listEvents.length; i++) list.addListener (listEvents [i], listener); + + if (items !is null) list.setItems (items); + if (selectionIndex !is -1) list.setSelection (selectionIndex); +} +/** + * Cuts the selected text. + * <p> + * The current selection is first copied to the + * clipboard and then deleted from the widget. + * </p> + * + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.3 + */ +public void cut () { + checkWidget (); + text.cut (); +} +/** + * 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 DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void deselect (int index) { + checkWidget (); + list.deselect (index); +} +/** + * 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 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 #clearSelection + */ +public void deselectAll () { + checkWidget (); + list.deselectAll (); +} +void dropDown (bool drop) { + if (drop is isDropped ()) return; + if (!drop) { + popup.setVisible (false); + if (!isDisposed ()&& arrow.isFocusControl()) { + text.setFocus(); + } + return; + } + + if (getShell() !is popup.getParent ()) { + char[][] items = list.getItems (); + int selectionIndex = list.getSelectionIndex (); + list.removeListener (DWT.Dispose, listener); + popup.dispose(); + popup = null; + list = null; + createPopup (items, selectionIndex); + } + + Point size = getSize (); + int itemCount = list.getItemCount (); + itemCount = (itemCount is 0) ? visibleItemCount : Math.min(visibleItemCount, itemCount); + int itemHeight = list.getItemHeight () * itemCount; + Point listSize = list.computeSize (DWT.DEFAULT, itemHeight, false); + list.setBounds (1, 1, Math.max (size.x - 2, listSize.x), listSize.y); + + int index = list.getSelectionIndex (); + if (index !is -1) list.setTopIndex (index); + Display display = getDisplay (); + Rectangle listRect = list.getBounds (); + Rectangle parentRect = display.map (getParent (), null, getBounds ()); + Point comboSize = getSize (); + Rectangle displayRect = getMonitor ().getClientArea (); + int width = Math.max (comboSize.x, listRect.width + 2); + int height = listRect.height + 2; + int x = parentRect.x; + int y = parentRect.y + comboSize.y; + if (y + height > displayRect.y + displayRect.height) y = parentRect.y - height; + if (x + width > displayRect.x + displayRect.width) x = displayRect.x + displayRect.width - listRect.width; + popup.setBounds (x, y, width, height); + popup.setVisible (true); + list.setFocus (); +} +/* + * Return the lowercase of the first non-'&' character following + * an '&' character in the given string. If there are no '&' + * characters in the given string, return '\0'. + */ +dchar _findMnemonic (char[] string) { + if (string is null) return '\0'; + int index = 0; + int length = string.length; + do { + while (index < length && string[index] !is '&') index++; + if (++index >= length) return '\0'; + if (string[index] !is '&') { + dchar[1] d; uint ate; + auto d2 = tango.text.convert.Utf.toString32( string[ index .. Math.min( index +4, string.length )], d, &ate ); + auto d3 = tango.text.Unicode.toLower( d2, d2 ); + return d3[0]; + } + index++; + } while (index < length); + return '\0'; +} +/* + * Return the Label immediately preceding the receiver in the z-order, + * or null if none. + */ +Label getAssociatedLabel () { + Control[] siblings = getParent ().getChildren (); + for (int i = 0; i < siblings.length; i++) { + if (siblings [i] is this) { + if (i > 0 && ( null !is cast(Label)siblings [i-1] )) { + return cast(Label) siblings [i-1]; + } + } + } + return null; +} +public Control [] getChildren () { + checkWidget(); + return new Control [0]; +} +/** + * Gets the editable state. + * + * @return whether or not the receiver is editable + * + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.0 + */ +public bool getEditable () { + checkWidget (); + return text.getEditable(); +} +/** + * 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 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 char[] getItem (int index) { + checkWidget(); + return list.getItem (index); +} +/** + * Returns the number of items contained in the receiver's list. + * + * @return the number of items + * + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getItemCount () { + checkWidget (); + return list.getItemCount (); +} +/** + * 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 DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getItemHeight () { + checkWidget (); + return list.getItemHeight (); +} +/** + * Returns an 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 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 char[] [] getItems () { + checkWidget (); + return list.getItems (); +} +public Menu getMenu() { + return text.getMenu(); +} +/** + * Returns a <code>Point</code> whose x coordinate is the start + * of the selection in the receiver's text field, and whose y + * coordinate is the end of the selection. The returned values + * are zero-relative. An "empty" selection as indicated by + * the the x and y coordinates having the same value. + * + * @return a point representing the selection start and end + * + * @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 Point getSelection () { + checkWidget (); + return text.getSelection (); +} +/** + * 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 DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getSelectionIndex () { + checkWidget (); + return list.getSelectionIndex (); +} +public int getStyle () { + int style = super.getStyle (); + style &= ~DWT.READ_ONLY; + if (!text.getEditable()) style |= DWT.READ_ONLY; + return style; +} +/** + * Returns a string containing a copy of the contents of the + * receiver's text field. + * + * @return the receiver's 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> + */ +public char[] getText () { + checkWidget (); + return text.getText (); +} +/** + * Returns the height of the receivers's text field. + * + * @return the text height + * + * @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 getTextHeight () { + checkWidget (); + return text.getLineHeight (); +} +/** + * 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 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 getTextLimit () { + checkWidget (); + return text.getTextLimit (); +} +/** + * Gets the number of items that are visible in the drop + * down portion of the receiver's list. + * + * @return the number of items that are visible + * + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.0 + */ +public int getVisibleItemCount () { + checkWidget (); + return visibleItemCount; +} +void handleFocus (int type) { + if (isDisposed ()) return; + switch (type) { + case DWT.FocusIn: { + if (hasFocus) return; + if (getEditable ()) text.selectAll (); + hasFocus = true; + Shell shell = getShell (); + shell.removeListener (DWT.Deactivate, listener); + shell.addListener (DWT.Deactivate, listener); + Display display = getDisplay (); + display.removeFilter (DWT.FocusIn, filter); + display.addFilter (DWT.FocusIn, filter); + Event e = new Event (); + notifyListeners (DWT.FocusIn, e); + break; + } + case DWT.FocusOut: { + if (!hasFocus) return; + Control focusControl = getDisplay ().getFocusControl (); + if (focusControl is arrow || focusControl is list || focusControl is text) return; + hasFocus = false; + Shell shell = getShell (); + shell.removeListener(DWT.Deactivate, listener); + Display display = getDisplay (); + display.removeFilter (DWT.FocusIn, filter); + Event e = new Event (); + notifyListeners (DWT.FocusOut, e); + break; + } + } +} +/** + * 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 DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int indexOf (char[] string) { + checkWidget (); + if (string is null) DWT.error (DWT.ERROR_NULL_ARGUMENT); + return list.indexOf (string); +} +/** + * 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 DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int indexOf (char[] string, int start) { + checkWidget (); + if (string is null) DWT.error (DWT.ERROR_NULL_ARGUMENT); + return list.indexOf (string, start); +} + +void initAccessible() { + AccessibleAdapter accessibleAdapter = new class() AccessibleAdapter { + public void getName (AccessibleEvent e) { + char[] name = null; + Label label = getAssociatedLabel (); + if (label !is null) { + name = stripMnemonic (label.getText()); + } + e.result = name; + } + public void getKeyboardShortcut(AccessibleEvent e) { + char[] shortcut = null; + Label label = getAssociatedLabel (); + if (label !is null) { + char[] text = label.getText (); + if (text !is null) { + dchar mnemonic = _findMnemonic (text); + if (mnemonic !is '\0') { + shortcut = tango.text.convert.Format.Format( "Alt+{}", mnemonic ); //$NON-NLS-1$ + } + } + } + e.result = shortcut; + } + public void getHelp (AccessibleEvent e) { + e.result = getToolTipText (); + } + }; + getAccessible ().addAccessibleListener (accessibleAdapter); + text.getAccessible ().addAccessibleListener (accessibleAdapter); + list.getAccessible ().addAccessibleListener (accessibleAdapter); + + arrow.getAccessible ().addAccessibleListener (new class() AccessibleAdapter { + public void getName (AccessibleEvent e) { + e.result = isDropped () ? DWT.getMessage ("SWT_Close") : DWT.getMessage ("SWT_Open"); //$NON-NLS-1$ //$NON-NLS-2$ + } + public void getKeyboardShortcut (AccessibleEvent e) { + e.result = "Alt+Down Arrow"; //$NON-NLS-1$ + } + public void getHelp (AccessibleEvent e) { + e.result = getToolTipText (); + } + }); + + getAccessible().addAccessibleTextListener (new class() AccessibleTextAdapter { + public void getCaretOffset (AccessibleTextEvent e) { + e.offset = text.getCaretPosition (); + } + public void getSelectionRange(AccessibleTextEvent e) { + Point sel = text.getSelection(); + e.offset = sel.x; + e.length = sel.y - sel.x; + } + }); + + getAccessible().addAccessibleControlListener (new class() AccessibleControlAdapter { + public void getChildAtPoint (AccessibleControlEvent e) { + Point testPoint = toControl (e.x, e.y); + if (getBounds ().contains (testPoint)) { + e.childID = ACC.CHILDID_SELF; + } + } + + public void getLocation (AccessibleControlEvent e) { + Rectangle location = getBounds (); + Point pt = toDisplay (location.x, location.y); + e.x = pt.x; + e.y = pt.y; + e.width = location.width; + e.height = location.height; + } + + public void getChildCount (AccessibleControlEvent e) { + e.detail = 0; + } + + public void getRole (AccessibleControlEvent e) { + e.detail = ACC.ROLE_COMBOBOX; + } + + public void getState (AccessibleControlEvent e) { + e.detail = ACC.STATE_NORMAL; + } + + public void getValue (AccessibleControlEvent e) { + e.result = getText (); + } + }); + + text.getAccessible ().addAccessibleControlListener (new class() AccessibleControlAdapter { + public void getRole (AccessibleControlEvent e) { + e.detail = text.getEditable () ? ACC.ROLE_TEXT : ACC.ROLE_LABEL; + } + }); + + arrow.getAccessible ().addAccessibleControlListener (new class() AccessibleControlAdapter { + public void getDefaultAction (AccessibleControlEvent e) { + e.result = isDropped () ? DWT.getMessage ("SWT_Close") : DWT.getMessage ("SWT_Open"); //$NON-NLS-1$ //$NON-NLS-2$ + } + }); +} +bool isDropped () { + return popup.getVisible (); +} +public bool isFocusControl () { + checkWidget(); + if (text.isFocusControl () || arrow.isFocusControl () || list.isFocusControl () || popup.isFocusControl ()) { + return true; + } + return super.isFocusControl (); +} +void internalLayout (bool changed) { + if (isDropped ()) dropDown (false); + Rectangle rect = getClientArea (); + int width = rect.width; + int height = rect.height; + Point arrowSize = arrow.computeSize (DWT.DEFAULT, height, changed); + text.setBounds (0, 0, width - arrowSize.x, height); + arrow.setBounds (width - arrowSize.x, 0, arrowSize.x, arrowSize.y); +} +void listEvent (Event event) { + switch (event.type) { + case DWT.Dispose: + if (getShell () !is popup.getParent ()) { + char[][] items = list.getItems (); + int selectionIndex = list.getSelectionIndex (); + popup = null; + list = null; + createPopup (items, selectionIndex); + } + break; + case DWT.FocusIn: { + handleFocus (DWT.FocusIn); + break; + } + case DWT.MouseUp: { + if (event.button !is 1) return; + dropDown (false); + break; + } + case DWT.Selection: { + int index = list.getSelectionIndex (); + if (index is -1) return; + text.setText (list.getItem (index)); + text.selectAll (); + list.setSelection (index); + Event e = new Event (); + e.time = event.time; + e.stateMask = event.stateMask; + e.doit = event.doit; + notifyListeners (DWT.Selection, e); + event.doit = e.doit; + break; + } + case DWT.Traverse: { + switch (event.detail) { + case DWT.TRAVERSE_RETURN: + case DWT.TRAVERSE_ESCAPE: + case DWT.TRAVERSE_ARROW_PREVIOUS: + case DWT.TRAVERSE_ARROW_NEXT: + event.doit = false; + break; + } + Event e = new Event (); + e.time = event.time; + e.detail = event.detail; + e.doit = event.doit; + e.character = event.character; + e.keyCode = event.keyCode; + notifyListeners (DWT.Traverse, e); + event.doit = e.doit; + event.detail = e.detail; + break; + } + case DWT.KeyUp: { + Event e = new Event (); + e.time = event.time; + e.character = event.character; + e.keyCode = event.keyCode; + e.stateMask = event.stateMask; + notifyListeners (DWT.KeyUp, e); + break; + } + case DWT.KeyDown: { + if (event.character is DWT.ESC) { + // Escape key cancels popup list + dropDown (false); + } + if ((event.stateMask & DWT.ALT) !is 0 && (event.keyCode is DWT.ARROW_UP || event.keyCode is DWT.ARROW_DOWN)) { + dropDown (false); + } + if (event.character is DWT.CR) { + // Enter causes default selection + dropDown (false); + Event e = new Event (); + e.time = event.time; + e.stateMask = event.stateMask; + notifyListeners (DWT.DefaultSelection, e); + } + // At this point the widget may have been disposed. + // If so, do not continue. + if (isDisposed ()) break; + Event e = new Event(); + e.time = event.time; + e.character = event.character; + e.keyCode = event.keyCode; + e.stateMask = event.stateMask; + notifyListeners(DWT.KeyDown, e); + break; + + } + } +} +/** + * Pastes text from clipboard. + * <p> + * The selected text is deleted from the widget + * and new text inserted from the clipboard. + * </p> + * + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.3 + */ +public void paste () { + checkWidget (); + text.paste (); +} +void popupEvent(Event event) { + switch (event.type) { + case DWT.Paint: + // draw black rectangle around list + Rectangle listRect = list.getBounds(); + Color black = getDisplay().getSystemColor(DWT.COLOR_BLACK); + event.gc.setForeground(black); + event.gc.drawRectangle(0, 0, listRect.width + 1, listRect.height + 1); + break; + case DWT.Close: + event.doit = false; + dropDown (false); + break; + case DWT.Deactivate: + dropDown (false); + break; + } +} +public void redraw () { + super.redraw(); + text.redraw(); + arrow.redraw(); + if (popup.isVisible()) list.redraw(); +} +public void redraw (int x, int y, int width, int height, bool all) { + super.redraw(x, y, width, height, true); +} + +/** + * 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 DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void remove (int index) { + checkWidget(); + list.remove (index); +} +/** + * 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 DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void remove (int start, int end) { + checkWidget(); + list.remove (start, end); +} +/** + * 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 DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void remove (char[] string) { + checkWidget(); + if (string is null) DWT.error (DWT.ERROR_NULL_ARGUMENT); + list.remove (string); +} +/** + * Removes all of the items from the receiver's list and clear the + * contents of receiver's text field. + * <p> + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void removeAll () { + checkWidget(); + text.setText (""); //$NON-NLS-1$ + list.removeAll (); +} +/** + * 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 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 ModifyListener + * @see #addModifyListener + */ +public void removeModifyListener (ModifyListener listener) { + checkWidget(); + if (listener is null) DWT.error (DWT.ERROR_NULL_ARGUMENT); + removeListener(DWT.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 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) DWT.error (DWT.ERROR_NULL_ARGUMENT); + removeListener(DWT.Selection, listener); + removeListener(DWT.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 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 VerifyListener + * @see #addVerifyListener + * + * @since 3.3 + */ +public void removeVerifyListener (VerifyListener listener) { + checkWidget(); + if (listener is null) DWT.error (DWT.ERROR_NULL_ARGUMENT); + removeListener(DWT.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 DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void select (int index) { + checkWidget(); + if (index is -1) { + list.deselectAll (); + text.setText (""); //$NON-NLS-1$ + return; + } + if (0 <= index && index < list.getItemCount()) { + if (index !is getSelectionIndex()) { + text.setText (list.getItem (index)); + text.selectAll (); + list.select (index); + list.showSelection (); + } + } +} +public void setBackground (Color color) { + super.setBackground(color); + background = color; + if (text !is null) text.setBackground(color); + if (list !is null) list.setBackground(color); + if (arrow !is null) arrow.setBackground(color); +} +/** + * Sets the editable state. + * + * @param editable the new editable state + * + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.0 + */ +public void setEditable (bool editable) { + checkWidget (); + text.setEditable(editable); +} +public void setEnabled (bool enabled) { + super.setEnabled(enabled); + if (popup !is null) popup.setVisible (false); + if (text !is null) text.setEnabled(enabled); + if (arrow !is null) arrow.setEnabled(enabled); +} +public bool setFocus () { + checkWidget(); + if (isFocusControl ()) return true; + return text.setFocus (); +} +public void setFont (Font font) { + super.setFont (font); + this.font = font; + text.setFont (font); + list.setFont (font); + internalLayout (true); +} +public void setForeground (Color color) { + super.setForeground(color); + foreground = color; + if (text !is null) text.setForeground(color); + if (list !is null) list.setForeground(color); + if (arrow !is null) arrow.setForeground(color); +} +/** + * Sets the text of the item in the receiver's list at the given + * zero-relative index to the string argument. This is equivalent + * to <code>remove</code>'ing the old item at the index, and then + * <code>add</code>'ing the new item at that index. + * + * @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 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 setItem (int index, char[] string) { + checkWidget(); + list.setItem (index, string); +} +/** + * 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 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 setItems (char[] [] items) { + checkWidget (); + list.setItems (items); + if (!text.getEditable ()) text.setText (""); //$NON-NLS-1$ +} +/** + * Sets the layout which is associated with the receiver to be + * the argument which may be null. + * <p> + * Note: No Layout can be set on this Control because it already + * manages the size and position of its children. + * </p> + * + * @param layout the receiver's new layout 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> + */ +public void setLayout (Layout layout) { + checkWidget (); + return; +} +public void setMenu(Menu menu) { + text.setMenu(menu); +} +/** + * 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 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 setSelection (Point selection) { + checkWidget(); + if (selection is null) DWT.error (DWT.ERROR_NULL_ARGUMENT); + text.setSelection (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 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 setText (char[] string) { + checkWidget(); + if (string is null) DWT.error (DWT.ERROR_NULL_ARGUMENT); + int index = list.indexOf (string); + if (index is -1) { + list.deselectAll (); + text.setText (string); + return; + } + text.setText (string); + text.selectAll (); + list.setSelection (index); + list.showSelection (); +} +/** + * Sets the maximum number of characters that the receiver's + * text field is capable of holding to be the argument. + * + * @param limit new text limit + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_CANNOT_BE_ZERO - if the limit is zero</li> + * </ul> + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setTextLimit (int limit) { + checkWidget(); + text.setTextLimit (limit); +} + +public void setToolTipText (char[] string) { + checkWidget(); + super.setToolTipText(string); + arrow.setToolTipText (string); + text.setToolTipText (string); +} + +public void setVisible (bool visible) { + super.setVisible(visible); + /* + * At this point the widget may have been disposed in a FocusOut event. + * If so then do not continue. + */ + if (isDisposed ()) return; + if (!visible) popup.setVisible(false); +} +/** + * Sets the number of items that are visible in the drop + * down portion of the receiver's list. + * + * @param count the new number of items to be visible + * + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.0 + */ +public void setVisibleItemCount (int count) { + checkWidget (); + if (count < 0) return; + visibleItemCount = count; +} +char[] stripMnemonic (char[] string) { + int index = 0; + int length_ = string.length; + do { + while ((index < length_) && (string[index] !is '&')) index++; + if (++index >= length_) return string; + if (string[index] !is '&') { + return string[0 .. index-1] ~ string[index .. length_]; + } + index++; + } while (index < length_); + return string; +} +void textEvent (Event event) { + switch (event.type) { + case DWT.FocusIn: { + handleFocus (DWT.FocusIn); + break; + } + case DWT.KeyDown: { + Event keyEvent = new Event (); + keyEvent.time = event.time; + keyEvent.character = event.character; + keyEvent.keyCode = event.keyCode; + keyEvent.stateMask = event.stateMask; + notifyListeners (DWT.KeyDown, keyEvent); + if (isDisposed ()) break; + event.doit = keyEvent.doit; + if (!event.doit) break; + + if (event.character is DWT.CR) { + dropDown (false); + Event selectionEvent = new Event (); + selectionEvent.time = event.time; + selectionEvent.stateMask = event.stateMask; + notifyListeners (DWT.DefaultSelection, selectionEvent); + if (isDisposed ()) break; + } + + if (event.keyCode is DWT.ARROW_UP || event.keyCode is DWT.ARROW_DOWN) { + event.doit = false; + if ((event.stateMask & DWT.ALT) !is 0) { + bool dropped = isDropped (); + text.selectAll (); + if (!dropped) setFocus (); + dropDown (!dropped); + break; + } + + int oldIndex = getSelectionIndex (); + if (event.keyCode is DWT.ARROW_UP) { + select (Math.max (oldIndex - 1, 0)); + } else { + select (Math.min (oldIndex + 1, getItemCount () - 1)); + } + if (oldIndex !is getSelectionIndex ()) { + Event e = new Event(); + e.time = event.time; + e.stateMask = event.stateMask; + notifyListeners (DWT.Selection, e); + } + if (isDisposed ()) break; + } + + // Further work : Need to add support for incremental search in + // pop up list as characters typed in text widget + break; + } + case DWT.KeyUp: { + Event e = new Event (); + e.time = event.time; + e.character = event.character; + e.keyCode = event.keyCode; + e.stateMask = event.stateMask; + notifyListeners (DWT.KeyUp, e); + event.doit = e.doit; + break; + } + case DWT.MenuDetect: { + Event e = new Event (); + e.time = event.time; + notifyListeners (DWT.MenuDetect, e); + break; + } + case DWT.Modify: { + list.deselectAll (); + Event e = new Event (); + e.time = event.time; + notifyListeners (DWT.Modify, e); + break; + } + case DWT.MouseDown: { + if (event.button !is 1) return; + if (text.getEditable ()) return; + bool dropped = isDropped (); + text.selectAll (); + if (!dropped) setFocus (); + dropDown (!dropped); + break; + } + case DWT.MouseUp: { + if (event.button !is 1) return; + if (text.getEditable ()) return; + text.selectAll (); + break; + } + case DWT.Traverse: { + switch (event.detail) { + case DWT.TRAVERSE_RETURN: + case DWT.TRAVERSE_ARROW_PREVIOUS: + case DWT.TRAVERSE_ARROW_NEXT: + // The enter causes default selection and + // the arrow keys are used to manipulate the list contents so + // do not use them for traversal. + event.doit = false; + break; + } + + Event e = new Event (); + e.time = event.time; + e.detail = event.detail; + e.doit = event.doit; + e.character = event.character; + e.keyCode = event.keyCode; + notifyListeners (DWT.Traverse, e); + event.doit = e.doit; + event.detail = e.detail; + break; + } + case DWT.Verify: { + Event e = new Event (); + e.text = event.text; + e.start = event.start; + e.end = event.end; + e.character = event.character; + e.keyCode = event.keyCode; + e.stateMask = event.stateMask; + notifyListeners (DWT.Verify, e); + event.doit = e.doit; + break; + } + default: + } +} +}
--- a/dwt/widgets/Canvas.d Fri Jan 18 02:57:41 2008 +0100 +++ b/dwt/widgets/Canvas.d Fri Jan 18 03:19:49 2008 +0100 @@ -278,6 +278,7 @@ if (isFocus) caret.setFocus (); } +alias Composite.setBounds setBounds; override int setBounds (int x, int y, int width, int height, bool move, bool resize) { bool isFocus = caret !is null && caret.isFocusCaret (); if (isFocus) caret.killFocus ();
--- a/dwt/widgets/List.d Fri Jan 18 02:57:41 2008 +0100 +++ b/dwt/widgets/List.d Fri Jan 18 03:19:49 2008 +0100 @@ -1241,7 +1241,8 @@ OS.gtk_widget_modify_base (handle, 0, color); } -int setBounds (int x, int y, int width, int height, bool move, bool resize) { +alias Scrollable.setBounds setBounds; +override int setBounds (int x, int y, int width, int height, bool move, bool resize) { int result = super.setBounds (x, y, width, height, move, resize); /* * Bug on GTK. The tree view sometimes does not get a paint
--- a/dwt/widgets/Shell.d Fri Jan 18 02:57:41 2008 +0100 +++ b/dwt/widgets/Shell.d Fri Jan 18 03:19:49 2008 +0100 @@ -1200,6 +1200,7 @@ } } +alias Decorations.setBounds setBounds; int setBounds (int x, int y, int width, int height, bool move, bool resize) { /* * Bug in GTK. When either of the location or size of