Mercurial > projects > doodle
annotate doodle/dia/tool_layer.d @ 36:188397ef9a12
Late night tinkering
| author | David Bryant <bagnose@gmail.com> |
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| date | Sun, 30 Aug 2009 23:36:31 +0930 |
| parents | 1754cb773d41 |
| children | 1b4c9ba58673 |
| rev | line source |
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Part-way through getting to compile with configure/builder.
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1 module doodle.dia.tool_layer; |
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| 36 | 3 public { |
| 4 import doodle.dia.tool; | |
| 5 } | |
| 6 | |
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7 private { |
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8 import std.stdio; |
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9 import doodle.cairo.routines; |
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10 } |
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11 |
| 12 | 12 class ToolLayer : Layer, EventHandler { |
| 13 this(in Tool[] tools, in string name) { | |
| 14 super(name); | |
| 7 | 15 mTools = tools.dup; |
| 16 } | |
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17 |
| 36 | 18 // Layer overrides: |
| 19 | |
| 20 override Rectangle bounds() const { | |
| 21 return Rectangle(); | |
| 22 } | |
| 23 | |
| 24 override void draw(const Viewport viewport, | |
| 25 in Rectangle pixel_damage, scope Context pixel_cr, | |
| 26 in Rectangle model_damage, scope Context model_cr) const { | |
| 27 // FIXME this isn't how we will really draw the tools... | |
| 28 foreach (const Tool tool; mTools) { | |
| 29 tool.draw(viewport, pixel_damage, pixel_cr, model_damage, model_cr); | |
| 30 } | |
| 31 } | |
| 32 | |
| 33 // EventHandler overrides: | |
| 34 | |
| 26 | 35 override bool handle_button_press(scope Viewport viewport, in ButtonEvent event) { |
| 14 | 36 // writefln("%s", event); |
| 7 | 37 |
| 38 if (mGrabbedTool is null) { | |
| 39 foreach_reverse(ref tool; mTools) { | |
| 10 | 40 if (tool.handle_button_press(viewport, event)) { |
| 7 | 41 mGrabbedTool = &tool; |
| 42 mGrabbedButton = event.button_name; | |
| 43 break; | |
| 44 } | |
| 45 } | |
| 46 } | |
| 47 else { | |
| 10 | 48 mGrabbedTool.handle_button_press(viewport, event); |
| 7 | 49 } |
| 50 | |
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51 return true; |
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52 } |
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53 |
| 26 | 54 override bool handle_button_release(scope Viewport viewport, in ButtonEvent event) { |
| 14 | 55 // writefln("%s", event); |
| 7 | 56 |
| 57 if (mGrabbedTool !is null) { | |
| 10 | 58 mGrabbedTool.handle_button_release(viewport, event); |
| 7 | 59 |
| 60 if (mGrabbedButton == event.button_name) { | |
| 61 mGrabbedTool = null; | |
| 62 } | |
| 63 } | |
| 64 | |
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65 return true; |
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66 } |
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67 |
| 26 | 68 override bool handle_key_press(scope Viewport viewport, in KeyEvent event) { |
| 14 | 69 // writefln("%s", event); |
| 70 | |
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71 return true; |
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72 } |
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73 |
| 26 | 74 override bool handle_key_release(scope Viewport viewport, in KeyEvent event) { |
| 14 | 75 // writefln("%s", event); |
| 76 | |
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77 return true; |
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78 } |
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79 |
| 26 | 80 override bool handle_motion(scope Viewport viewport, in MotionEvent event) { |
| 17 | 81 //writefln("%s", event); |
| 7 | 82 |
| 83 if (mGrabbedTool is null) { | |
| 84 foreach_reverse(ref tool; mTools) { | |
| 10 | 85 if (tool.handle_motion(viewport, event)) { |
| 7 | 86 break; |
| 87 } | |
| 88 } | |
| 89 } | |
| 90 else { | |
| 10 | 91 mGrabbedTool.handle_motion(viewport, event); |
| 7 | 92 } |
| 93 | |
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94 return true; |
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95 } |
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96 |
| 26 | 97 override bool handle_scroll(scope Viewport viewport, in ScrollEvent event) { |
| 14 | 98 // writefln("%s", event); |
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99 |
| 7 | 100 if (mGrabbedTool is null) { |
| 101 foreach_reverse(ref tool; mTools) { | |
| 10 | 102 if (tool.handle_scroll(viewport, event)) { |
| 7 | 103 break; |
| 104 } | |
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105 } |
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106 } |
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107 else { |
| 10 | 108 mGrabbedTool.handle_scroll(viewport, event); |
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109 } |
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110 |
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111 return true; |
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112 } |
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113 |
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114 /* |
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115 override void push(Tool tool) { |
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116 } |
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117 |
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118 override void pop() { |
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119 } |
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120 |
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121 override void replace(Tool tool) { |
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122 } |
| 7 | 123 */ |
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124 |
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125 private { |
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126 Tool[] mTools; |
| 7 | 127 Tool * mGrabbedTool; |
| 128 ButtonName mGrabbedButton; | |
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129 } |
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130 } |