Mercurial > projects > dwt-samples
view snippets/button/Snippet162.d @ 117:8cdaac0dc743
Added more snippets from TomD
author | Frank Benoit <benoit@tionex.de> |
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date | Sat, 12 Jul 2008 20:09:06 +0200 |
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/******************************************************************************* * Copyright (c) 2000, 2004 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 * D Port: * Thomas Demmer <t_demmer AT web DOT de> *******************************************************************************/ module button.Snippet162; /* * Adding an accessible listener to provide state information * * For a list of all SWT example snippets see * http://www.eclipse.org/swt/snippets/ */ import dwt.DWT; import dwt.accessibility.ACC; import dwt.accessibility.Accessible; import dwt.accessibility.AccessibleAdapter; import dwt.accessibility.AccessibleControlListener; import dwt.accessibility.AccessibleControlAdapter; import dwt.accessibility.AccessibleControlEvent; import dwt.accessibility.AccessibleEvent; import dwt.graphics.GC; import dwt.graphics.Image; import dwt.graphics.Point; import dwt.layout.FillLayout; import dwt.widgets.Display; import dwt.widgets.Shell; import dwt.widgets.Table; import dwt.widgets.TableColumn; import dwt.widgets.TableItem; import dwt.dwthelper.utils; void main(String[] args){ Snippet162.main(args); } public class Snippet162 { final static String STATE = "CheckedIndices"; public static void main (String [] args) { final Display display = new Display (); Image checkedImage = getCheckedImage (display); Image uncheckedImage = getUncheckedImage (display); Shell shell = new Shell (display); shell.setLayout (new FillLayout ()); final Table table = new Table (shell, DWT.BORDER); TableColumn column1 = new TableColumn (table, DWT.NONE); TableColumn column2 = new TableColumn (table, DWT.NONE); TableColumn column3 = new TableColumn (table, DWT.NONE); TableItem item1 = new TableItem (table, DWT.NONE); item1.setText ( ["first item", "a", "b"]); item1.setImage (1, uncheckedImage); item1.setImage (2, uncheckedImage); item1.setData (STATE, null); TableItem item2 = new TableItem (table, DWT.NONE); item2.setText ( ["second item", "c", "d"]); item2.setImage (1, uncheckedImage); item2.setImage (2, checkedImage); item2.setData (STATE, new ArrayWrapperInt([2])); TableItem item3 = new TableItem (table, DWT.NONE); item3.setText ( ["third", "e", "f"]); item3.setImage (1, checkedImage); item3.setImage (2, checkedImage); item3.setData (STATE, new ArrayWrapperInt( [1, 2])); column1.pack (); column2.pack (); column3.pack (); Accessible accessible = table.getAccessible (); accessible.addAccessibleListener( new class() AccessibleAdapter { public void getName (AccessibleEvent e) { super.getName (e); if (e.childID >= 0 && e.childID < table.getItemCount ()) { TableItem item = table.getItem (e.childID); Point pt = display.getCursorLocation (); pt = display.map (null, table, pt); for (int i = 0; i < table.getColumnCount (); i++) { if (item.getBounds (i).contains (pt)) { int [] data = (cast(ArrayWrapperInt)item.getData (STATE)).array; bool checked = false; if (data !is null) { for (int j = 0; j < data.length; j++) { if (data [j] == i) { checked = true; break; } } } e.result = item.getText (i) ~ " " ~ (checked ? "checked" : "unchecked"); break; } } } } }); accessible.addAccessibleControlListener (new class() AccessibleControlAdapter { public void getState (AccessibleControlEvent e) { super.getState (e); if (e.childID >= 0 && e.childID < table.getItemCount ()) { TableItem item = table.getItem (e.childID); int [] data =(cast(ArrayWrapperInt)item.getData (STATE)).array; if (data !is null) { Point pt = display.getCursorLocation (); pt = display.map (null, table, pt); for (int i = 0; i < data.length; i++) { if (item.getBounds (data [i]).contains (pt)) { e.detail |= ACC.STATE_CHECKED; break; } } } } } }); shell.open (); while (!shell.isDisposed ()) { if (!display.readAndDispatch ()) display.sleep (); } checkedImage.dispose (); uncheckedImage.dispose (); display.dispose (); } static Image getCheckedImage (Display display) { Image image = new Image (display, 16, 16); GC gc = new GC (image); gc.setBackground (display.getSystemColor (DWT.COLOR_YELLOW)); gc.fillOval (0, 0, 16, 16); gc.setForeground (display.getSystemColor (DWT.COLOR_DARK_GREEN)); gc.drawLine (0, 0, 16, 16); gc.drawLine (16, 0, 0, 16); gc.dispose (); return image; } static Image getUncheckedImage (Display display) { Image image = new Image (display, 16, 16); GC gc = new GC (image); gc.setBackground (display.getSystemColor (DWT.COLOR_YELLOW)); gc.fillOval (0, 0, 16, 16); gc.dispose (); return image; } }