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annotate doodle/tk/events.d @ 101:523269b36711

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Update to dmd 2.050
author David Bryant <bagnose@gmail.com>
date Thu, 28 Oct 2010 16:35:11 +1030
parents d92b9f04b1e8
children 7abaf5c3959f
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1 module doodle.tk.events;
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3 public {
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4 import doodle.tk.geometry;
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5 import doodle.tk.screen_model;
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6 import gtkc.gdktypes;
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7 }
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9 private {
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10 import std.conv;
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11 }
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13 enum ButtonAction { SINGLE_PRESS, DOUBLE_PRESS, TRIPLE_PRESS, RELEASE }
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14 enum ButtonName { LEFT, MIDDLE, RIGHT, FOUR, FIVE }
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15 enum ScrollDirection { UP, DOWN, LEFT, RIGHT }
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16 enum Modifier { SHIFT, CAPS_LOCK, CONTROL, ALT, NUM_LOCK, META, SCROLL_LOCK, LEFT_BUTTON, MIDDLE_BUTTON, RIGHT_BUTTON, UNUSED_BUTTON_1, UNUSED_BUTTON_2 }
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18 // FIXME what to do about GRAB2/UNGRAB2
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19 enum CrossingMode { NORMAL, GRAB, UNGRAB, GRAB2, UNGRAB2, STATE_CHANGED }
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20
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21 struct Mask {
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22 this(in Modifier[] modifiers) {
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23 foreach (m; modifiers) {
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24 _bits |= 1 << m;
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25 }
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26 }
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27
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28 string toString() {
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29 if (_bits == 0) {
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30 return "<NO_MASK>";
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31 }
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32 else {
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33 string s = "";
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34
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35 for (int i = 0; i < _bits.sizeof * 8; ++i) {
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36 if (_bits & (1 << i)) {
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37 if (s.length != 0) s ~= "|";
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38 s ~= to!string(cast(Modifier)i);
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39 }
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40 }
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41
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42 return s;
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43 }
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44 }
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45
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46 bool isSet(in Modifier m) const { return _bits & (1 << m); }
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47 bool isUnset(in Modifier m) const { return !isSet(m); }
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48
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49 private immutable ushort _bits;
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50 }
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52 // FIXME
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53 // Do we need FocusEvent. Note, it has no mask.
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54 // Hence would need to refactor hierarchy slightly, eg InputEvent
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55
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56 abstract class Event {
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57 this(in Mask mask) {
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58 _mask = mask;
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59 }
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61 Mask mask() const { return _mask; }
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63 private {
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64 Mask _mask;
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65 }
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66 }
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68 final class KeyEvent : Event {
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69 this(in string str, in uint value, in Mask mask) {
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70 super(mask);
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71 _str = str;
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72 _value = value;
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73 }
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75 string str() const { return _str; }
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76 uint value() const { return _value; }
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78 override string toString() const {
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79 return std.string.format("Key event: %s, %d, %s",
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80 _str, _value, _mask);
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81 }
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83 private {
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84 string _str;
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85 uint _value;
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86 }
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87 }
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89 abstract class PointerEvent : Event {
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90 this(in Point screenPoint, in Point modelPoint, in Mask mask) {
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91 super(mask);
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92 _screenPoint = screenPoint;
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93 _modelPoint = modelPoint;
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94 }
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96 Point screenPoint() const { return _screenPoint; }
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97 Point modelPoint() const { return _modelPoint; }
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99 private {
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100 Point _screenPoint;
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101 Point _modelPoint;
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102 }
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103 }
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104
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105 final class CrossingEvent : PointerEvent {
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106 this(in CrossingMode crossingMode,
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107 in Point screenPoint,
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108 in Point modelPoint,
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109 in Mask mask) {
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110 super(screenPoint, modelPoint, mask);
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111 _crossingMode = crossingMode;
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112 }
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113
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114 CrossingMode crossingMode() const { return _crossingMode; }
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115
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116 override string toString() const {
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117 return std.string.format("Crossing event: %s, %s, %s, %s",
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118 to!string(_crossingMode), screenPoint, modelPoint, mask);
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119 }
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120
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121 private {
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122 CrossingMode _crossingMode;
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123 }
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124 }
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125
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126 final class ButtonEvent : PointerEvent {
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127 this(in ButtonAction buttonAction,
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128 in ButtonName buttonName,
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129 in Point screenPoint,
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130 in Point modelPoint,
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131 in Mask mask) {
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132 super(screenPoint, modelPoint, mask);
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133 _buttonAction = buttonAction;
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134 _buttonName = buttonName;
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135 }
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136
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137 override string toString() const {
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138 return std.string.format("Button event: %s, %s, %s, %s, %s",
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139 to!string(_buttonAction), to!string(_buttonName), _screenPoint, _modelPoint, _mask);
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140 }
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141
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142 ButtonAction buttonAction() const { return _buttonAction; }
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143 ButtonName buttonName() const { return _buttonName; }
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144
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145 private {
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146 ButtonAction _buttonAction;
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147 ButtonName _buttonName;
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148 }
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149 }
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150
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151 final class MotionEvent : PointerEvent {
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152 this(in Point screenPoint,
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153 in Point modelPoint,
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154 in Mask mask) {
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155 super(screenPoint, modelPoint, mask);
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156 }
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157
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158 override string toString() const {
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159 return std.string.format("Motion event: %s, %s, %s",
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160 _screenPoint, _modelPoint, _mask);
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161 }
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162 }
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163
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164 final class ScrollEvent : PointerEvent {
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165 this(in ScrollDirection scrollDirection,
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166 in Point screenPoint,
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167 in Point modelPoint,
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168 in Mask mask) {
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169 super(screenPoint, modelPoint, mask);
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170 _scrollDirection = scrollDirection;
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171 }
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172
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173 override string toString() const {
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174 return std.string.format("Scroll event: %s, %s, %s, %s",
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175 to!string(_scrollDirection), _screenPoint, _modelPoint, _mask);
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176 }
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177
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1b4c9ba58673 Stylistic overhaul.
daveb
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178 ScrollDirection scrollDirection() const { return _scrollDirection; }
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179
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180 private {
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1b4c9ba58673 Stylistic overhaul.
daveb
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181 ScrollDirection _scrollDirection;
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182 }
e907d2c54ec3 Initial import
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183 }