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1 // Written in the D programming language
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2 // www.digitalmars.com/d/
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3
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4 /*
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5 * The contents of this file are subject to the Mozilla Public License Version
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6 * 1.1 (the "License"); you may not use this file except in compliance with
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7 * the License. You may obtain a copy of the License at
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8 * http://www.mozilla.org/MPL/
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9 *
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10 * Software distributed under the License is distributed on an "AS IS" basis,
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11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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12 * for the specific language governing rights and limitations under the
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13 * License.
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14 *
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15 * The Original Code is the Dynamin library.
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16 *
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17 * The Initial Developer of the Original Code is Jordan Miner.
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18 * Portions created by the Initial Developer are Copyright (C) 2006-2009
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19 * the Initial Developer. All Rights Reserved.
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20 *
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21 * Contributor(s):
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22 * Jordan Miner <jminer7@gmail.com>
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23 *
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24 */
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25
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26 module dynamin.gui.events;
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27
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28 import dynamin.all_core;
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29 import dynamin.all_painting;
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30 import dynamin.all_gui;
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31
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32 ///
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33 enum MouseButton {
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34 None, ///
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35 Left, ///
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36 Right, ///
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37 Middle, ///
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38 XButton1, ///
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39 XButton2 ///
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40 }
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41
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42 ///
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43 class PaintingEventArgs : EventArgs {
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44 Graphics g;
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45 //NativeGraphics ng;
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46 public:
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47 ///
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48 this(Graphics g) {
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49 this.g = g;
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50 }
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51 ///
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52 Graphics graphics() { return g; }
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53 }
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54
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55 ///
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56 class MouseEventArgs : StopEventArgs {
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57 Point _location;
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58 MouseButton _button;
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59 public:
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60 ///
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61 this(real x, real y, MouseButton b) {
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62 _location = Point(x, y);
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63 _button = b;
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64 }
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65 ///
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66 Point location() { return _location; }
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67 ///
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68 void location(Point pt) { _location = pt; }
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69 ///
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70 real x() { return _location.x; }
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71 ///
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72 real y() { return _location.y; }
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73 ///
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74 MouseButton button() { return _button; }
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75 }
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76 ///
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77 class MouseTurnedEventArgs : StopEventArgs {
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78 int _delta;
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79 double _scrollAmount;
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80 public:
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81 this(int delta, double scrollAmount) {
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82 _delta = delta;
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83 _scrollAmount = scrollAmount;
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84 }
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85 /*
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86 * This is the amount the mouse wheel was turned.
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87 */
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88 //int delta() { return _delta; }
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89 /**
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90 * The amount that a control should scroll in response to this event.
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91 * In a text control, this is the number of lines to scroll.
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92 * This will be negative if the control should scroll upward and positive
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93 * if the control should scroll downward. If the amount to be scrolled
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94 * is more than what is visible on screen, only what is on screen
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95 * should be scrolled.
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96 *
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97 * All users of this class should check scrollScreen to see whether to
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98 * scroll one screen or to scroll the amount by this.
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99 */
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100 double scrollAmount() { return _scrollAmount; }
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101 /**
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102 * On some systems, such as Windows, there is the option of setting
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103 * the mouse wheel to scroll a screen at a time, the same as the page up
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104 * and page down keys do. If this option is turned on, scrollScreen will
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105 * return true and scrollAmount will return ±3. If the option is turned off,
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106 * scrollScreen will return false.
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107 */
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108 bool scrollScreen() {
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109 return false;
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110 }
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111 }
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112 ///
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113 class KeyEventArgs : StopEventArgs {
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114 Key _key;
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115 bool _repeat;
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116 public:
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117 this(Key key, bool repeat) {
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118 _key = key;
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119 _repeat = repeat;
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120 }
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121 /**
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122 * Returns: the key that was typed.
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123 */
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124 Key key() { return _key; }
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125 /**
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126 * Gets whether this key event was generated by the user holding
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127 * down the key.
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128 * Returns: true if the key was already down before this event, false
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129 * if the key was just pressed
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130 */
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131 bool repeat() { return _repeat; }
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132 }
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133 ///
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134 class KeyTypedEventArgs : StopEventArgs {
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135 dchar _ch;
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136 bool _repeat;
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137 public:
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138 this(dchar c, bool repeat) {
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139 _ch = c;
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140 _repeat = repeat;
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141 }
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142 /**
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143 * Gets whether this key event was generated from the user holding
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144 * down the key.
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145 * Returns: true if the key was already down before this event, false
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146 * if the key was just pressed
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147 */
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148 bool repeat() { return _repeat; }
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149 /**
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150 * Gets the character that was typed by the user. Many keys on the
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151 * keyboard will not generate a KeyTyped event, as they do not represent
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152 * characters. Shift, Insert, Home, F7, and Caps Lock are just some of
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153 * the keys that do not represent characters.
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154 */
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155 dchar character() { return _ch; }
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156 }
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157
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