Mercurial > projects > dwt2
diff org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet21.d @ 28:69b1fa94a4a8
Added SWT snippets
author | Frank Benoit <benoit@tionex.de> |
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date | Sun, 22 Mar 2009 15:17:04 +0100 |
parents | |
children | 4e5843b771cc |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet21.d Sun Mar 22 15:17:04 2009 +0100 @@ -0,0 +1,100 @@ +/******************************************************************************* + * 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: + * Bill Baxter <wbaxter> at gmail com + *******************************************************************************/ +module org.eclipse.swt.snippets.Snippet21; + +/* + * Canvas example snippet: implement tab traversal (behave like a tab group) + * + * For a list of all SWT example snippets see + * http://www.eclipse.org/swt/snippets/ + */ +import org.eclipse.swt.SWT; +import org.eclipse.swt.graphics.Color; +import org.eclipse.swt.widgets.Display; +import org.eclipse.swt.widgets.Shell; +import org.eclipse.swt.widgets.Listener; +import org.eclipse.swt.widgets.Event; +import org.eclipse.swt.widgets.Button; +import org.eclipse.swt.widgets.Text; +import org.eclipse.swt.widgets.Canvas; + +import tango.io.Stdout; + +import java.lang.all; + +void main () { + Display display = new Display (); + final Color red = display.getSystemColor (SWT.COLOR_RED); + final Color blue = display.getSystemColor (SWT.COLOR_BLUE); + Shell shell = new Shell (display); + Button b = new Button (shell, SWT.PUSH); + b.setBounds (10, 10, 100, 32); + b.setText ("Button"); + shell.setDefaultButton (b); + final Canvas c = new Canvas (shell, SWT.BORDER); + c.setBounds (10, 50, 100, 32); + + void onTraverse(Event e, Canvas c) { + switch (e.detail) { + /* Do tab group traversal */ + case SWT.TRAVERSE_ESCAPE: + case SWT.TRAVERSE_RETURN: + case SWT.TRAVERSE_TAB_NEXT: + case SWT.TRAVERSE_TAB_PREVIOUS: + case SWT.TRAVERSE_PAGE_NEXT: + case SWT.TRAVERSE_PAGE_PREVIOUS: + e.doit = true; + break; + } + } + + void onFocusIn(Event e, Canvas c) { + c.setBackground (red); + } + + void onFocusOut(Event e, Canvas c) { + c.setBackground (blue); + } + + void onKeyDown (Event e, Canvas c) { + Stdout("KEY").newline; + for (int i=0; i<64; i++) { + Color c1 = red, c2 = blue; + if (c.isFocusControl ()) { + c1 = blue; c2 = red; + } + c.setBackground (c1); + c.update (); + c.setBackground (c2); + } + } + + c.addListener (SWT.Traverse, dgListener(&onTraverse, c)); + c.addListener (SWT.FocusIn, dgListener(&onFocusIn, c)); + c.addListener (SWT.FocusOut, dgListener(&onFocusOut, c)); + c.addListener (SWT.KeyDown, dgListener(&onKeyDown, c)); + + Text t = new Text (shell, SWT.SINGLE | DWT.BORDER); + t.setBounds (10, 85, 100, 32); + + Text r = new Text (shell, SWT.MULTI | DWT.BORDER); + r.setBounds (10, 120, 100, 32); + + c.setFocus (); + shell.setSize (200, 200); + shell.open (); + while (!shell.isDisposed()) { + if (!display.readAndDispatch ()) display.sleep (); + } + display.dispose (); +}