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comparison dwtx/ui/forms/widgets/TreeNode.d @ 75:5d489b9f966c

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Fix continue porting
author Frank Benoit <benoit@tionex.de>
date Sat, 24 May 2008 05:11:16 +0200
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74:dad2e11b8ae4 75:5d489b9f966c
1 /*******************************************************************************
2 * Copyright (c) 2000, 2007 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 * Port to the D programming language:
11 * Frank Benoit <benoit@tionex.de>
12 *******************************************************************************/
13 module dwtx.ui.forms.widgets.TreeNode;
14
15 import dwtx.ui.forms.widgets.ToggleHyperlink;
16
17 import dwt.DWT;
18 import dwt.events.PaintEvent;
19 import dwt.graphics.GC;
20 import dwt.graphics.Rectangle;
21 import dwt.widgets.Composite;
22
23 import dwt.dwthelper.utils;
24
25 /**
26 * A custom selectable control that can be used to control areas that can be
27 * expanded or collapsed. The control control can be toggled between selected
28 * and deselected state with a mouse or by pressing 'Enter' while the control
29 * has focus.
30 * <p>
31 * The control is rendered as box with a '+' or '-' sign, depending on the
32 * expansion state. Focus indication is rendered around the box when the
33 * control has keyboard focus.
34 *
35 * @see Twistie
36 * @since 3.0
37 */
38 public class TreeNode : ToggleHyperlink {
39 /**
40 * Creates a control in a provided composite.
41 *
42 * @param parent
43 * the parent
44 * @param style
45 * the style
46 */
47 public this(Composite parent, int style) {
48 super(parent, style);
49 innerWidth = 10;
50 innerHeight = 10;
51 }
52 protected void paint(PaintEvent e) {
53 paintHyperlink(e.gc);
54 }
55 protected void paintHyperlink(GC gc) {
56 Rectangle box = getBoxBounds(gc);
57 gc.setForeground(getDisplay().getSystemColor(
58 DWT.COLOR_WIDGET_NORMAL_SHADOW));
59 gc.drawRectangle(box);
60 gc.setForeground(getForeground());
61 gc.drawLine(box.x + 2, box.y + 4, box.x + 6, box.y + 4);
62 if (!isExpanded()) {
63 gc.drawLine(box.x + 4, box.y + 2, box.x + 4, box.y + 6);
64 }
65 if (paintFocus && getSelection()) {
66 gc.setForeground(getForeground());
67 gc.drawFocus(box.x - 1, box.y - 1, box.width + 3, box.height + 3);
68 }
69 }
70 private Rectangle getBoxBounds(GC gc) {
71 int x = 1;
72 int y = 0;
73 gc.setFont(getFont());
74 //int height = gc.getFontMetrics().getHeight();
75 //y = height / 2 - 4;
76 //y = Math.max(y, 0);
77 y = 2;
78 return new Rectangle(x, y, 8, 8);
79 }
80 }