Mercurial > projects > dwt-samples

comparison snippets/composite/Snippet9.d @ 78:4a04b6759f98

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Clean up directory names
author John Reimer <terminal.node@gmail.com>
date Sat, 10 May 2008 13:32:45 -0700
parents
children 1f0a7a472680
comparison
equal deleted inserted replaced
76:04f122e90b0a 78:4a04b6759f98
1 /*******************************************************************************
2 * Copyright (c) 2000, 2004 IBM Corporation and others.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html
7 *
8 * Contributors:
9 * IBM Corporation - initial API and implementation
10 * D Port
11 * Jesse Phillips <Jesse.K.Phillips+D> gmail.com
12 *******************************************************************************/
13 module snippets.composite.Snippit9;
14
15 /*
16 * Composite example snippet: scroll a child control automatically
17 *
18 * For a list of all DWT example snippets see
19 * http://www.eclipse.org/swt/snippets/
20 */
21 import dwt.DWT;
22 import dwt.events.PaintListener;
23 import dwt.graphics.Color;
24 import dwt.graphics.Point;
25 import dwt.graphics.Rectangle;
26 import dwt.widgets.Composite;
27 import dwt.widgets.Display;
28 import dwt.widgets.Event;
29 import dwt.widgets.Listener;
30 import dwt.widgets.ScrollBar;
31 import dwt.widgets.Shell;
32 import dwt.dwthelper.utils;
33
34 void main () {
35 auto display = new Display ();
36 auto shell = new Shell
37 (display, DWT.SHELL_TRIM | DWT.H_SCROLL | DWT.V_SCROLL);
38 auto composite = new Composite (shell, DWT.BORDER);
39 composite.setSize (700, 600);
40 auto red = display.getSystemColor (DWT.COLOR_RED);
41 composite.addPaintListener (new class PaintListener {
42 public void paintControl (PaintEvent e) {
43 e.gc.setBackground (red);
44 e.gc.fillOval (5, 5, 690, 590);
45 }
46 });
47 auto hBar = shell.getHorizontalBar ();
48 hBar.addListener (DWT.Selection, new class Listener {
49 public void handleEvent (Event e) {
50 auto location = composite.getLocation ();
51 location.x = -hBar.getSelection ();
52 composite.setLocation (location);
53 }
54 });
55 ScrollBar vBar = shell.getVerticalBar ();
56 vBar.addListener (DWT.Selection, new class Listener {
57 public void handleEvent (Event e) {
58 Point location = composite.getLocation ();
59 location.y = -vBar.getSelection ();
60 composite.setLocation (location);
61 }
62 });
63 shell.addListener (DWT.Resize, new class Listener {
64 public void handleEvent (Event e) {
65 Point size = composite.getSize ();
66 Rectangle rect = shell.getClientArea ();
67 hBar.setMaximum (size.x);
68 vBar.setMaximum (size.y);
69 hBar.setThumb (Math.min (size.x, rect.width));
70 vBar.setThumb (Math.min (size.y, rect.height));
71 int hPage = size.x - rect.width;
72 int vPage = size.y - rect.height;
73 int hSelection = hBar.getSelection ();
74 int vSelection = vBar.getSelection ();
75 Point location = composite.getLocation ();
76 if (hSelection >= hPage) {
77 if (hPage <= 0) hSelection = 0;
78 location.x = -hSelection;
79 }
80 if (vSelection >= vPage) {
81 if (vPage <= 0) vSelection = 0;
82 location.y = -vSelection;
83 }
84 composite.setLocation (location);
85 }
86 });
87 shell.open ();
88 while (!shell.isDisposed()) {
89 if (!display.readAndDispatch ()) display.sleep ();
90 }
91 display.dispose ();
92 }