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comparison dynamin/gui/check_box.d @ 0:aa4efef0f0b1

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Initial commit of code.
author Jordan Miner <jminer7@gmail.com>
date Mon, 15 Jun 2009 22:10:48 -0500
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1 // Written in the D programming language
2 // www.digitalmars.com/d/
3
4 /*
5 * The contents of this file are subject to the Mozilla Public License Version
6 * 1.1 (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 * http://www.mozilla.org/MPL/
9 *
10 * Software distributed under the License is distributed on an "AS IS" basis,
11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 * for the specific language governing rights and limitations under the
13 * License.
14 *
15 * The Original Code is the Dynamin library.
16 *
17 * The Initial Developer of the Original Code is Jordan Miner.
18 * Portions created by the Initial Developer are Copyright (C) 2007-2009
19 * the Initial Developer. All Rights Reserved.
20 *
21 * Contributor(s):
22 * Jordan Miner <jminer7@gmail.com>
23 *
24 */
25
26 module dynamin.gui.check_box;
27
28 import dynamin.all_core;
29 import dynamin.all_gui;
30 import dynamin.all_painting;
31 import tango.io.Stdout;
32
33 enum CheckState {
34 ///
35 Unchecked,
36 ///
37 Checked,
38 ///
39 Both
40 }
41
42 /**
43 * A control that can be checked or unchecked independent of other controls.
44 *
45 * The appearance of a check box with Windows Classic:
46 *
47 * $(IMAGE ../web/example_check_box.png)
48 */
49 class CheckBox : Button {
50 protected:
51 CheckState _checkState = CheckState.Unchecked;
52 override void whenClicked(EventArgs e) {
53 checked = !checked;
54 focus();
55 }
56 override void whenPainting(PaintingEventArgs e) {
57 Theme.current.CheckBox_paint(this, e.graphics);
58 }
59
60 public:
61 /// This event occurs after .
62 Event!() checkedChanged;
63 /// Override this method in a subclass to handle the SelectedChanged event.
64 protected void whenCheckedChanged(EventArgs e) { }
65 this() {
66 checkedChanged = new Event!()(&whenCheckedChanged);
67 _focusable = true;
68 }
69 this(string text) {
70 this();
71 this.text = text;
72 }
73 bool checked() {
74 return _checkState == CheckState.Checked;
75 }
76 void checked(bool b) {
77 _checkState = b ? CheckState.Checked : CheckState.Unchecked;
78 repaint();
79 checkedChanged(new EventArgs);
80 }
81 override Size bestSize() {
82 return Size(70, 15);
83 }
84 override void paintFore(Graphics g) {
85 g.drawText(text, 0, (height-g.getTextExtents(text).height)/2);
86 }
87 }
88