Mercurial > projects > dynamin
annotate dynamin/gui/events.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 | 2a194d52fdb5 |
| children | 8dac206ea523 |
| 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) 2006-2009 | |
| 19 * the Initial Developer. All Rights Reserved. | |
| 20 * | |
| 21 * Contributor(s): | |
| 22 * Jordan Miner <jminer7@gmail.com> | |
| 23 * | |
| 24 */ | |
| 25 | |
| 26 module dynamin.gui.events; | |
| 27 | |
| 28 import dynamin.all_core; | |
| 29 import dynamin.all_painting; | |
| 30 import dynamin.all_gui; | |
|
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31 import dynamin.gui.control; |
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32 import dynamin.gui.container; |
| 0 | 33 |
| 34 /// | |
| 35 enum MouseButton { | |
| 36 None, /// | |
| 37 Left, /// | |
| 38 Right, /// | |
| 39 Middle, /// | |
| 40 XButton1, /// | |
| 41 XButton2 /// | |
| 42 } | |
| 43 | |
| 44 /// | |
| 45 class PaintingEventArgs : EventArgs { | |
| 46 Graphics g; | |
| 47 //NativeGraphics ng; | |
| 48 public: | |
| 49 /// | |
| 50 this(Graphics g) { | |
| 51 this.g = g; | |
| 52 } | |
| 53 /// | |
| 54 Graphics graphics() { return g; } | |
| 55 } | |
| 56 | |
| 57 /// | |
| 58 class MouseEventArgs : StopEventArgs { | |
| 59 Point _location; | |
| 60 MouseButton _button; | |
| 61 public: | |
| 62 /// | |
| 63 this(real x, real y, MouseButton b) { | |
| 64 _location = Point(x, y); | |
| 65 _button = b; | |
| 66 } | |
| 67 /// | |
| 68 Point location() { return _location; } | |
| 69 /// | |
| 70 void location(Point pt) { _location = pt; } | |
| 71 /// | |
| 72 real x() { return _location.x; } | |
| 73 /// | |
| 74 real y() { return _location.y; } | |
| 75 /// | |
| 76 MouseButton button() { return _button; } | |
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77 string toString() { |
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78 return format("MouseEventArgs [x={}, y={}, button={}]", |
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79 x, y, _button); |
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80 } |
| 0 | 81 } |
| 82 /// | |
| 83 class MouseTurnedEventArgs : StopEventArgs { | |
| 84 double _scrollAmount; | |
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85 bool _scrollScreen; |
| 0 | 86 public: |
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87 this(double scrollAmount, bool scrollScreen) { |
| 0 | 88 _scrollAmount = scrollAmount; |
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89 _scrollScreen = scrollScreen; |
| 0 | 90 } |
| 91 /** | |
| 92 * The amount that a control should scroll in response to this event. | |
| 93 * In a text control, this is the number of lines to scroll. | |
| 94 * This will be negative if the control should scroll upward and positive | |
| 95 * if the control should scroll downward. If the amount to be scrolled | |
| 96 * is more than what is visible on screen, only what is on screen | |
| 97 * should be scrolled. | |
| 98 * | |
| 99 * All users of this class should check scrollScreen to see whether to | |
| 100 * scroll one screen or to scroll the amount by this. | |
| 101 */ | |
| 102 double scrollAmount() { return _scrollAmount; } | |
| 103 /** | |
| 104 * On some systems, such as Windows, there is the option of setting | |
| 105 * the mouse wheel to scroll a screen at a time, the same as the page up | |
| 106 * and page down keys do. If this option is turned on, scrollScreen will | |
| 107 * return true and scrollAmount will return ±3. If the option is turned off, | |
| 108 * scrollScreen will return false. | |
| 109 */ | |
| 110 bool scrollScreen() { | |
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111 return _scrollScreen; |
| 0 | 112 } |
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113 string toString() { |
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114 return format("MouseTurnedEventArgs [scrollAmount={}, scrollScreen={}]", |
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115 _scrollAmount, _scrollScreen); |
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116 } |
| 0 | 117 } |
| 118 /// | |
| 119 class KeyEventArgs : StopEventArgs { | |
| 120 Key _key; | |
| 121 bool _repeat; | |
| 122 public: | |
| 123 this(Key key, bool repeat) { | |
| 124 _key = key; | |
| 125 _repeat = repeat; | |
| 126 } | |
| 127 /** | |
| 128 * Returns: the key that was typed. | |
| 129 */ | |
| 130 Key key() { return _key; } | |
| 131 /** | |
| 132 * Gets whether this key event was generated by the user holding | |
| 133 * down the key. | |
| 134 * Returns: true if the key was already down before this event, false | |
| 135 * if the key was just pressed | |
| 136 */ | |
| 137 bool repeat() { return _repeat; } | |
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138 string toString() { |
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139 return format("KeyEventArgs [key={}, repeat={}]", _key, _repeat); |
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140 } |
| 0 | 141 } |
| 142 /// | |
| 143 class KeyTypedEventArgs : StopEventArgs { | |
| 144 dchar _ch; | |
| 145 bool _repeat; | |
| 146 public: | |
| 147 this(dchar c, bool repeat) { | |
| 148 _ch = c; | |
| 149 _repeat = repeat; | |
| 150 } | |
| 151 /** | |
| 152 * Gets whether this key event was generated from the user holding | |
| 153 * down the key. | |
| 154 * Returns: true if the key was already down before this event, false | |
| 155 * if the key was just pressed | |
| 156 */ | |
| 157 bool repeat() { return _repeat; } | |
| 158 /** | |
| 159 * Gets the character that was typed by the user. Many keys on the | |
| 160 * keyboard will not generate a KeyTyped event, as they do not represent | |
| 161 * characters. Shift, Insert, Home, F7, and Caps Lock are just some of | |
| 162 * the keys that do not represent characters. | |
| 163 */ | |
| 164 dchar character() { return _ch; } | |
| 165 } | |
| 166 | |
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167 /// |
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168 class HierarchyEventArgs : EventArgs { |
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169 int _levels = 0; |
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170 Control _control; |
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171 public: |
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172 this(Control c) { |
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173 _control = c; |
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174 } |
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175 /** |
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176 * An immediate child would be a level of 0. |
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177 */ |
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178 int levels() { return _levels; } |
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179 /// ditto |
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180 void levels(int l) { _levels = l; } |
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181 /** |
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182 * |
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183 */ |
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184 Control descendant() { return _control; } |
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185 /** |
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186 * |
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187 */ |
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188 Container ancestor() { return cast(Container)_control; } |
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189 } |
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190 |