Mercurial > projects > dynamin
annotate dynamin/gui/radio_button.d @ 55:c138461bf845
Add focusing and other changes that are related
like descendantAdded/Removed events, Window.activated event, and updating List.
Window.state was also added, even though focusing does not depend on it.
| author | Jordan Miner <jminer7@gmail.com> |
|---|---|
| date | Sat, 08 Aug 2009 15:42:27 -0500 |
| parents | 6e33b00595e9 |
| children | 7c5c50a06ffe |
| 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.radio_button; | |
| 27 | |
| 28 import dynamin.all_core; | |
| 29 import dynamin.all_gui; | |
| 30 import dynamin.all_painting; | |
| 31 import tango.io.Stdout; | |
| 32 | |
| 33 /** | |
| 34 * A control that can be checked only if other radio buttons are unchecked. | |
| 35 * | |
| 36 * The appearance of a radio button with Windows Classic: | |
| 37 * | |
| 38 * $(IMAGE ../web/example_radio_button.png) | |
| 39 */ | |
| 40 class RadioButton : CheckBox { | |
| 41 protected: | |
| 42 int _group = 1; | |
| 43 RadioButton[] collectGroup(ref int checkedIndex) { | |
| 44 Window topLevel = cast(Window)getTopLevel(); | |
| 45 if(!topLevel) | |
| 46 return null; | |
| 47 RadioButton[] radios; | |
|
43
6b264c92da34
Rename collectFromPanel() to collectFromContainer()
Jordan Miner <jminer7@gmail.com>
parents:
35
diff
changeset
|
48 void collectFromContainer(Container container) { |
| 0 | 49 foreach(control; container) { |
| 50 if(auto r = cast(RadioButton)control) { | |
| 51 if(r.group != group) | |
| 52 continue; | |
| 53 radios.length = radios.length + 1; | |
| 54 radios[$-1] = r; | |
| 55 if(r.checked) | |
| 56 checkedIndex = radios.length-1; | |
|
35
ee9a564d2814
Allow more use of Containers versus Panels.
Jordan Miner <jminer7@gmail.com>
parents:
0
diff
changeset
|
57 } else if(auto c = cast(Container)control) |
|
43
6b264c92da34
Rename collectFromPanel() to collectFromContainer()
Jordan Miner <jminer7@gmail.com>
parents:
35
diff
changeset
|
58 collectFromContainer(c); |
| 0 | 59 } |
| 60 } | |
| 61 checkedIndex = -1; | |
|
43
6b264c92da34
Rename collectFromPanel() to collectFromContainer()
Jordan Miner <jminer7@gmail.com>
parents:
35
diff
changeset
|
62 collectFromContainer(topLevel.content); |
| 0 | 63 return radios; |
| 64 } | |
| 65 override void whenKeyDown(KeyEventArgs e) { | |
|
53
6e33b00595e9
Fix capitalization in a couple comments.
Jordan Miner <jminer7@gmail.com>
parents:
48
diff
changeset
|
66 // TODO: when getTopLevel() is changed to return NativeControl, |
| 0 | 67 // update this |
| 68 int index; | |
| 69 if(e.key == Key.Down || e.key == Key.Right) { | |
|
48
41b141453b8e
Fix crash in RadioButton.whenKeyDown()
Jordan Miner <jminer7@gmail.com>
parents:
43
diff
changeset
|
70 RadioButton[] radios = collectGroup(index); |
|
41b141453b8e
Fix crash in RadioButton.whenKeyDown()
Jordan Miner <jminer7@gmail.com>
parents:
43
diff
changeset
|
71 if(radios is null) |
|
41b141453b8e
Fix crash in RadioButton.whenKeyDown()
Jordan Miner <jminer7@gmail.com>
parents:
43
diff
changeset
|
72 return; |
| 0 | 73 if(++index >= radios.length) |
| 74 index = 0; | |
|
48
41b141453b8e
Fix crash in RadioButton.whenKeyDown()
Jordan Miner <jminer7@gmail.com>
parents:
43
diff
changeset
|
75 radios[index].clicked(new EventArgs); |
|
41b141453b8e
Fix crash in RadioButton.whenKeyDown()
Jordan Miner <jminer7@gmail.com>
parents:
43
diff
changeset
|
76 e.stopped = true; |
| 0 | 77 } else if(e.key == Key.Up || e.key == Key.Left) { |
|
48
41b141453b8e
Fix crash in RadioButton.whenKeyDown()
Jordan Miner <jminer7@gmail.com>
parents:
43
diff
changeset
|
78 RadioButton[] radios = collectGroup(index); |
|
41b141453b8e
Fix crash in RadioButton.whenKeyDown()
Jordan Miner <jminer7@gmail.com>
parents:
43
diff
changeset
|
79 if(radios is null) |
|
41b141453b8e
Fix crash in RadioButton.whenKeyDown()
Jordan Miner <jminer7@gmail.com>
parents:
43
diff
changeset
|
80 return; |
| 0 | 81 if(--index < 0) |
| 82 index = radios.length-1; | |
|
48
41b141453b8e
Fix crash in RadioButton.whenKeyDown()
Jordan Miner <jminer7@gmail.com>
parents:
43
diff
changeset
|
83 radios[index].clicked(new EventArgs); |
|
41b141453b8e
Fix crash in RadioButton.whenKeyDown()
Jordan Miner <jminer7@gmail.com>
parents:
43
diff
changeset
|
84 e.stopped = true; |
| 0 | 85 } |
| 86 } | |
| 87 override void whenPainting(PaintingEventArgs e) { | |
| 88 Theme.current.RadioButton_paint(this, e.graphics); | |
| 89 } | |
| 90 override void whenClicked(EventArgs e) { | |
| 91 int index; | |
| 92 RadioButton[] radios = collectGroup(index); | |
| 93 foreach(r; radios) | |
| 94 r.checked = false; | |
| 95 checked = true; | |
| 96 focus(); | |
| 97 | |
| 98 } | |
| 99 public: | |
| 100 this() { | |
|
55
c138461bf845
Add focusing and other changes that are related
Jordan Miner <jminer7@gmail.com>
parents:
53
diff
changeset
|
101 _focusable = false; |
| 0 | 102 } |
| 103 this(string text) { | |
| 104 this(); | |
| 105 this.text = text; | |
| 106 } | |
| 107 override Size bestSize() { | |
| 108 return Size(70, 15); | |
| 109 } | |
|
55
c138461bf845
Add focusing and other changes that are related
Jordan Miner <jminer7@gmail.com>
parents:
53
diff
changeset
|
110 alias CheckBox.checked checked; |
|
c138461bf845
Add focusing and other changes that are related
Jordan Miner <jminer7@gmail.com>
parents:
53
diff
changeset
|
111 override void checked(bool b) { |
|
c138461bf845
Add focusing and other changes that are related
Jordan Miner <jminer7@gmail.com>
parents:
53
diff
changeset
|
112 focusable = b; |
|
c138461bf845
Add focusing and other changes that are related
Jordan Miner <jminer7@gmail.com>
parents:
53
diff
changeset
|
113 super.checked(b); |
|
c138461bf845
Add focusing and other changes that are related
Jordan Miner <jminer7@gmail.com>
parents:
53
diff
changeset
|
114 } |
| 0 | 115 /** |
| 116 * Gets or sets what group this radio button is a part of. The default is 1. | |
| 117 */ | |
| 118 int group() { return _group; } | |
| 119 /// ditto | |
| 120 void group(int i) { _group = i; } | |
| 121 } |