Mercurial > projects > dynamin
annotate dynamin/gui/check_box.d @ 78:651082a9b364
Add Event.setUp() and use in place of mainHandler and dispatcher.
| author | Jordan Miner <jminer7@gmail.com> |
|---|---|
| date | Sat, 06 Feb 2010 15:12:52 -0600 |
| parents | 6580fabb7dce |
| children | 73060bc3f004 |
| rev | line source |
|---|---|
| 0 | 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: | |
|
10
ccc108b25a0a
Convert to using a struct for events. Fix some comments too.
Jordan Miner <jminer7@gmail.com>
parents:
8
diff
changeset
|
61 /// Override this method in a subclass to handle the checkedChanged event. |
|
8
b621b528823d
whenXX methods have to come before the event if switched to template mixins.
Jordan Miner <jminer7@gmail.com>
parents:
0
diff
changeset
|
62 protected void whenCheckedChanged(EventArgs e) { } |
| 0 | 63 /// This event occurs after . |
|
10
ccc108b25a0a
Convert to using a struct for events. Fix some comments too.
Jordan Miner <jminer7@gmail.com>
parents:
8
diff
changeset
|
64 Event!(whenCheckedChanged) checkedChanged; |
| 0 | 65 this() { |
|
78
651082a9b364
Add Event.setUp() and use in place of mainHandler and dispatcher.
Jordan Miner <jminer7@gmail.com>
parents:
68
diff
changeset
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66 checkedChanged.setUp(&whenCheckedChanged); |
| 0 | 67 _focusable = true; |
| 68 } | |
| 69 this(string text) { | |
| 70 this(); | |
| 71 this.text = text; | |
| 72 } | |
| 51 | 73 /// Gets or sets whether this check box is checked. |
| 0 | 74 bool checked() { |
| 75 return _checkState == CheckState.Checked; | |
| 76 } | |
| 51 | 77 /// ditto |
| 0 | 78 void checked(bool b) { |
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68
6580fabb7dce
Setting a property to the value it already is shouldn't do anything
Jordan Miner <jminer7@gmail.com>
parents:
51
diff
changeset
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79 auto old = _checkState; |
| 0 | 80 _checkState = b ? CheckState.Checked : CheckState.Unchecked; |
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68
6580fabb7dce
Setting a property to the value it already is shouldn't do anything
Jordan Miner <jminer7@gmail.com>
parents:
51
diff
changeset
|
81 if(_checkState == old) |
|
6580fabb7dce
Setting a property to the value it already is shouldn't do anything
Jordan Miner <jminer7@gmail.com>
parents:
51
diff
changeset
|
82 return; |
| 0 | 83 repaint(); |
| 84 checkedChanged(new EventArgs); | |
| 85 } | |
| 86 override Size bestSize() { | |
| 87 return Size(70, 15); | |
| 88 } | |
| 89 override void paintFore(Graphics g) { | |
| 90 g.drawText(text, 0, (height-g.getTextExtents(text).height)/2); | |
| 91 } | |
| 92 } | |
| 93 |