Mercurial > projects > doodle
annotate doodle/tk/events.d @ 67:31d10176415d
Checkpoint
| author | daveb |
|---|---|
| date | Fri, 13 Aug 2010 15:28:04 +0930 |
| parents | eb5436b47d13 |
| children | 5cc2de64f6d0 |
| rev | line source |
|---|---|
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Part-way through getting to compile with configure/builder.
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1 module doodle.tk.events; |
| 0 | 2 |
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3 public { |
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4 import doodle.tk.geometry; |
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5 } |
| 0 | 6 |
| 67 | 7 private { |
| 8 import std.typecons; | |
| 9 } | |
| 10 | |
| 11 mixin(defineEnum!("ButtonAction", | |
| 12 "SINGLE_PRESS", "DOUBLE_PRESS", "TRIPLE_PRESS", "RELEASE")); | |
| 13 | |
| 14 mixin(defineEnum!("ButtonName", | |
| 15 "LEFT", "MIDDLE", "RIGHT", "FOUR", "FIVE")); | |
| 16 | |
| 17 mixin(defineEnum!("ScrollDirection", | |
| 18 "UP", "DOWN", "LEFT", "RIGHT")); | |
| 19 | |
| 20 mixin(defineEnum!("Modifier", | |
| 21 "SHIFT", "CAPS_LOCK", "CONTROL", "ALT", "NUM_LOCK", "META", | |
| 22 "SCROLL_LOCK", "LEFT_BUTTON", "MIDDLE_BUTTON", "RIGHT_BUTTON", | |
| 23 "UNUSED_BUTTON_1", "UNUSED_BUTTON_2")); | |
| 24 | |
| 25 mixin(defineEnum!("CrossingMode", // FIXME what to do about GRAB2/UNGRAB2 | |
| 26 "NORMAL", "GRAB", "UNGRAB", "GRAB2", "UNGRAB2", "STATE_CHANGED")); | |
| 27 | |
| 28 struct Mask { | |
| 29 this(in Modifier[] modifiers) { | |
| 30 foreach (m; modifiers) { | |
| 31 _bits |= 1 << m; | |
| 32 } | |
| 33 } | |
| 34 | |
| 35 string toString() { | |
| 36 if (_bits == 0) { | |
| 37 return "<NO_MASK>"; | |
| 38 } | |
| 39 else { | |
| 40 string s = ""; | |
| 41 | |
| 42 for (int i = 0; i < _bits.sizeof * 8; ++i) { | |
| 43 if (_bits & (1 << i)) { | |
| 44 if (s.length != 0) s ~= "|"; | |
| 45 s ~= enumToString(cast(Modifier)i); | |
| 46 } | |
| 47 } | |
| 48 | |
| 49 return s; | |
| 50 } | |
| 51 } | |
| 52 | |
| 53 bool isSet(in Modifier m) const { return _bits & (1 << m); } | |
| 54 bool isUnset(in Modifier m) const { return !isSet(m); } | |
| 55 | |
| 56 private immutable ushort _bits; | |
| 57 } | |
| 58 | |
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59 // FIXME |
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60 // Do we need FocusEvent. Note, it has no mask. |
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61 // Hence would need to refactor hierarchy slightly, eg InputEvent |
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62 |
| 0 | 63 abstract class Event { |
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64 this(in Mask mask) { |
| 48 | 65 _mask = mask; |
| 0 | 66 } |
| 67 | |
| 48 | 68 Mask mask() const { return _mask; } |
| 0 | 69 |
| 70 private { | |
| 48 | 71 Mask _mask; |
| 0 | 72 } |
| 73 } | |
| 74 | |
| 13 | 75 final class KeyEvent : Event { |
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76 this(in string str, in uint value, in Mask mask) { |
| 0 | 77 super(mask); |
| 48 | 78 _str = str; |
| 79 _value = value; | |
| 0 | 80 } |
| 81 | |
| 48 | 82 string str() const { return _str; } |
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83 uint value() const { return _value; } |
| 0 | 84 |
| 5 | 85 override string toString() const { |
| 48 | 86 return std.string.format("Key event: %s, %d, %s", _str, _value, _mask); |
| 0 | 87 } |
| 88 | |
| 89 private { | |
| 48 | 90 string _str; |
| 91 uint _value; | |
| 0 | 92 } |
| 93 } | |
| 94 | |
| 13 | 95 abstract class PointerEvent : Event { |
| 48 | 96 this(in Point pixelPoint, in Point modelPoint, in Mask mask) { |
| 0 | 97 super(mask); |
| 48 | 98 _pixelPoint = pixelPoint; |
| 99 _modelPoint = modelPoint; | |
| 0 | 100 } |
| 101 | |
| 48 | 102 Point pixelPoint() const { return _pixelPoint; } |
| 103 Point modelPoint() const { return _modelPoint; } | |
| 0 | 104 |
| 105 private { | |
| 48 | 106 Point _pixelPoint; |
| 107 Point _modelPoint; | |
| 0 | 108 } |
| 109 } | |
| 110 | |
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111 final class CrossingEvent : PointerEvent { |
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112 this(in CrossingMode crossingMode, |
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113 in Point pixelPoint, |
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114 in Point modelPoint, |
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115 in Mask mask) { |
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116 super(pixelPoint, modelPoint, mask); |
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117 _crossingMode = crossingMode; |
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118 } |
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119 |
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120 CrossingMode crossingMode() const { return _crossingMode; } |
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121 |
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122 override string toString() const { |
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123 return std.string.format("Crossing event: %s, %s, %s, %s", enumToString(_crossingMode), pixelPoint, modelPoint, mask); |
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124 } |
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125 |
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126 private { |
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127 CrossingMode _crossingMode; |
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128 } |
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129 } |
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130 |
| 0 | 131 final class ButtonEvent : PointerEvent { |
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132 this(in ButtonAction buttonAction, |
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133 in ButtonName buttonName, |
| 48 | 134 in Point pixelPoint, |
| 135 in Point modelPoint, | |
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136 in Mask mask) { |
| 48 | 137 super(pixelPoint, modelPoint, mask); |
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138 _buttonAction = buttonAction; |
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139 _buttonName = buttonName; |
| 0 | 140 } |
| 141 | |
| 5 | 142 override string toString() const { |
| 8 | 143 return std.string.format("Button event: %s, %s, %s, %s, %s", |
| 48 | 144 enumToString(_buttonAction), enumToString(_buttonName), |
| 145 _pixelPoint, _modelPoint, _mask); | |
| 0 | 146 } |
| 147 | |
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148 ButtonAction buttonAction() const { return _buttonAction; } |
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149 ButtonName buttonName() const { return _buttonName; } |
| 0 | 150 |
| 151 private { | |
| 48 | 152 ButtonAction _buttonAction; |
| 153 ButtonName _buttonName; | |
| 0 | 154 } |
| 155 } | |
| 156 | |
| 157 final class MotionEvent : PointerEvent { | |
| 48 | 158 this(in Point pixelPoint, |
| 159 in Point modelPoint, | |
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160 in Mask mask) { |
| 48 | 161 super(pixelPoint, modelPoint, mask); |
| 0 | 162 } |
| 163 | |
| 5 | 164 override string toString() const { |
| 8 | 165 return std.string.format("Motion event: %s, %s, %s", |
| 48 | 166 _pixelPoint, _modelPoint, _mask); |
| 0 | 167 } |
| 168 } | |
| 169 | |
| 170 final class ScrollEvent : PointerEvent { | |
| 48 | 171 this(in ScrollDirection scrollDirection, |
| 172 in Point pixelPoint, | |
| 173 in Point modelPoint, | |
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174 in Mask mask) { |
| 48 | 175 super(pixelPoint, modelPoint, mask); |
| 176 _scrollDirection = scrollDirection; | |
| 0 | 177 } |
| 178 | |
| 5 | 179 override string toString() const { |
| 8 | 180 return std.string.format("Scroll event: %s, %s, %s, %s", |
| 48 | 181 enumToString(_scrollDirection), _pixelPoint, _modelPoint, _mask); |
| 0 | 182 } |
| 183 | |
| 48 | 184 ScrollDirection scrollDirection() const { return _scrollDirection; } |
| 0 | 185 |
| 186 private { | |
| 48 | 187 ScrollDirection _scrollDirection; |
| 0 | 188 } |
| 189 } |