Mercurial > projects > doodle
annotate doodle/dia/standard_tools.d @ 48:1b4c9ba58673
Stylistic overhaul.
| author | daveb |
|---|---|
| date | Tue, 03 Aug 2010 17:37:21 +0930 |
| parents | 1f97022e5c6d |
| children | b190a9d9352e |
| rev | line source |
|---|---|
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1754cb773d41
Part-way through getting to compile with configure/builder.
Graham St Jack <graham.stjack@internode.on.net>
parents:
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1 module doodle.dia.standard_tools; |
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* Switched over to geometry done with structs instead of classes.
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2 |
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* Fix up public/private includes
David Bryant <daveb@acres.com.au>
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3 public { |
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1754cb773d41
Part-way through getting to compile with configure/builder.
Graham St Jack <graham.stjack@internode.on.net>
parents:
27
diff
changeset
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4 import doodle.dia.tool; |
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* Fix up public/private includes
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5 } |
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* Fix up public/private includes
David Bryant <daveb@acres.com.au>
parents:
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6 |
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* Fix up public/private includes
David Bryant <daveb@acres.com.au>
parents:
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7 private { |
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Part-way through getting to compile with configure/builder.
Graham St Jack <graham.stjack@internode.on.net>
parents:
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8 import doodle.cairo.routines; |
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9 import std.math; |
| 17 | 10 import std.stdio; |
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11 } |
| 7 | 12 |
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13 final class PanTool : Tool { |
| 48 | 14 override bool handleButtonPress(scope Viewport viewport, in ButtonEvent event) { |
| 7 | 15 if (event.button_name == ButtonName.MIDDLE) { |
| 48 | 16 mLastPosition = event.pixelPoint; |
| 7 | 17 return true; |
| 18 } | |
| 19 else { | |
| 20 return false; | |
| 21 } | |
| 22 } | |
| 23 | |
| 48 | 24 override bool handleMotion(scope Viewport viewport, in MotionEvent event) { |
| 25 if (event.mask.isSet(Modifier.MIDDLE_BUTTON)) { | |
| 26 viewport.panRelative(mLastPosition - event.pixelPoint); | |
| 27 mLastPosition = event.pixelPoint; | |
| 8 | 28 |
| 29 return true; | |
| 30 } | |
| 31 else { | |
| 32 return false; | |
| 33 } | |
| 7 | 34 } |
| 35 | |
| 48 | 36 override bool handleScroll(scope Viewport viewport, in ScrollEvent event) { |
| 37 if (event.mask.isUnset(Modifier.MIDDLE_BUTTON)) { | |
| 9 | 38 Vector delta; |
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39 |
| 48 | 40 switch (event.scrollDirection) { |
| 8 | 41 case ScrollDirection.UP: |
| 48 | 42 delta = event.mask.isSet(Modifier.SHIFT) ? Vector(-AMOUNT, 0.0) : Vector(0.0, AMOUNT); |
| 8 | 43 break; |
| 44 case ScrollDirection.DOWN: | |
| 48 | 45 delta = event.mask.isSet(Modifier.SHIFT) ? Vector(AMOUNT, 0.0) : Vector(0.0, -AMOUNT); |
| 8 | 46 break; |
| 47 case ScrollDirection.LEFT: | |
| 9 | 48 delta = Vector(-AMOUNT, 0.0); |
| 8 | 49 break; |
| 50 case ScrollDirection.RIGHT: | |
| 9 | 51 delta = Vector(AMOUNT, 0.0); |
| 8 | 52 break; |
| 40 | 53 default: |
| 54 assert(0); | |
| 8 | 55 } |
| 56 | |
| 48 | 57 viewport.panRelative(delta); |
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58 } |
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59 |
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60 return true; |
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61 } |
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62 |
| 8 | 63 private { |
| 64 Point mLastPosition; | |
| 9 | 65 static invariant double AMOUNT = 60.0; |
| 8 | 66 } |
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67 } |
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68 |
| 7 | 69 final class ZoomTool : Tool { |
| 48 | 70 override bool handleScroll(scope Viewport viewport, in ScrollEvent event) { |
| 71 if (event.mask.isSet(Modifier.CONTROL)) { | |
| 72 if (event.scrollDirection == ScrollDirection.DOWN) { | |
| 73 viewport.zoomRelative(event.pixelPoint, 1.0 / ZOOM); | |
| 9 | 74 return true; |
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parents:
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75 } |
| 48 | 76 else if (event.scrollDirection == ScrollDirection.UP) { |
| 77 viewport.zoomRelative(event.pixelPoint, ZOOM); | |
| 9 | 78 return true; |
| 79 } | |
| 80 else { | |
| 81 return false; | |
| 82 } | |
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* Switched over to geometry done with structs instead of classes.
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parents:
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83 } |
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parents:
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84 else { |
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parents:
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85 return false; |
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d6f44347373d
* Switched over to geometry done with structs instead of classes.
David Bryant <daveb@acres.com.au>
parents:
diff
changeset
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86 } |
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* Switched over to geometry done with structs instead of classes.
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parents:
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87 } |
| 7 | 88 |
| 9 | 89 private { |
| 90 static invariant double ZOOM = sqrt(2.0); | |
| 91 } | |
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parents:
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92 } |
| 17 | 93 |
| 36 | 94 final class LassoTool : Tool { // TODO convert to SelectTool |
| 48 | 95 override bool handleButtonPress(scope Viewport viewport, in ButtonEvent event) { |
| 17 | 96 if (event.button_name == ButtonName.LEFT) { |
| 48 | 97 _active = true; |
| 98 _anchorPoint = _currentPoint = event.pixelPoint; | |
| 99 viewport.setCursor(Cursor.HAND); | |
| 17 | 100 return true; |
| 101 } | |
| 102 else { | |
| 103 return false; | |
| 104 } | |
| 105 } | |
| 106 | |
| 48 | 107 override bool handleButtonRelease(scope Viewport viewport, in ButtonEvent event) { |
| 108 if (event.button_name == ButtonName.LEFT && _active) { | |
| 109 _active = false; | |
| 110 viewport.damagePixel(feather(Rectangle(_anchorPoint, _currentPoint), LINE_WIDTH / 2.0)); | |
| 111 viewport.setCursor(Cursor.DEFAULT); | |
| 17 | 112 return true; |
| 113 } | |
| 114 else { | |
| 115 return false; | |
| 116 } | |
| 117 } | |
| 118 | |
| 48 | 119 override bool handleMotion(scope Viewport viewport, in MotionEvent event) { |
| 120 if (_active) { | |
| 121 viewport.damagePixel(feather(Rectangle(_anchorPoint, _currentPoint), LINE_WIDTH / 2.0)); | |
| 122 _currentPoint = event.pixelPoint; | |
| 123 viewport.damagePixel(feather(Rectangle(_anchorPoint, _currentPoint), LINE_WIDTH / 2.0)); | |
| 17 | 124 } |
| 125 | |
| 126 return false; | |
| 127 } | |
| 128 | |
| 26 | 129 override void draw(in Viewport viewport, |
| 48 | 130 in Rectangle pixelDamage, scope Context pixelCr, |
| 131 in Rectangle modelDamage, scope Context modelCr) const { | |
| 132 if (_active) { | |
| 133 pixelCr.save; { | |
| 134 pixelCr.setSourceRgba(0.0, 0.0, 0.8, 0.3); | |
| 135 rectangle(pixelCr, Rectangle(_currentPoint, _anchorPoint)); | |
| 136 pixelCr.fill(); | |
| 137 } pixelCr.restore(); | |
| 26 | 138 |
| 48 | 139 pixelCr.save(); { |
| 26 | 140 //double[] dashes = [ 4.0, 4.0 ]; |
| 48 | 141 //pixelCr.setDash(dashes, 0.0); |
| 142 pixelCr.setSourceRgba(0.0, 0.0, 0.5, 1.0); | |
| 143 pixelCr.setLineWidth(LINE_WIDTH); | |
| 144 //writefln("Drawing rectangle: %s", Rectangle(_currentPoint, _anchorPoint)); | |
| 145 rectangle(pixelCr, Rectangle(_currentPoint, _anchorPoint)); | |
| 146 pixelCr.stroke; | |
| 147 } pixelCr.restore; | |
| 18 | 148 } |
| 17 | 149 } |
| 150 | |
| 151 private { | |
| 48 | 152 bool _active; |
| 153 Point _currentPoint; | |
| 154 Point _anchorPoint; // Pixel | |
| 19 | 155 static invariant double LINE_WIDTH = 1.0; |
| 17 | 156 } |
| 157 } |