Mercurial > projects > doodle
annotate doodle/fig/select_tool.d @ 77:15ca7d5cd1ed
The rulers are broken
author | "David Bryant <bagnose@gmail.com>" |
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date | Sun, 15 Aug 2010 01:36:22 +0930 |
parents | c03ed75c0f8e |
children | 535bae7a7305 |
rev | line source |
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1 module doodle.fig.select_tool; |
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2 |
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3 public { |
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4 import doodle.dia.tool; |
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5 } |
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6 |
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7 private { |
73 | 8 import doodle.tk.cairo; |
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9 } |
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10 |
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11 final class SelectTool : Tool { |
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12 this() { |
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13 super("Select"); |
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14 } |
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15 |
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16 override bool handleButtonPress(scope IViewport viewport, in ButtonEvent event) { |
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17 if (event.buttonName == ButtonName.LEFT) { |
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18 _active = true; |
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19 _anchorPoint = _currentPoint = event.pixelPoint; |
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20 viewport.setCursor(Cursor.HAND); |
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21 return true; |
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22 } |
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23 else { |
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24 return false; |
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25 } |
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26 } |
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27 |
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28 override bool handleButtonRelease(scope IViewport viewport, in ButtonEvent event) { |
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29 if (event.buttonName == ButtonName.LEFT && _active) { |
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30 _active = false; |
77 | 31 viewport.damageScreen(feather(Rectangle(_anchorPoint, _currentPoint), LINE_WIDTH / 2.0)); |
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32 viewport.setCursor(Cursor.DEFAULT); |
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33 return true; |
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34 } |
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35 else { |
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36 return false; |
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37 } |
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38 } |
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39 |
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40 override bool handleMotion(scope IViewport viewport, in MotionEvent event) { |
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41 if (_active) { |
77 | 42 viewport.damageScreen(feather(Rectangle(_anchorPoint, _currentPoint), LINE_WIDTH / 2.0)); |
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43 _currentPoint = event.pixelPoint; |
77 | 44 viewport.damageScreen(feather(Rectangle(_anchorPoint, _currentPoint), LINE_WIDTH / 2.0)); |
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45 } |
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46 |
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47 return false; |
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48 } |
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49 |
74 | 50 override void draw(in Rectangle pixelDamage, scope Context pixelCr) const { |
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51 if (_active) { |
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52 /* |
66 | 53 pixelCr.save; { |
54 pixelCr.setSourceRgba(0.0, 0.0, 0.8, 0.3); | |
55 rectangle(pixelCr, Rectangle(_currentPoint, _anchorPoint)); | |
56 pixelCr.fill(); | |
57 } pixelCr.restore(); | |
58 */ | |
63
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59 |
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60 pixelCr.save(); { |
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61 double[] dashes = [ 4.0, 4.0 ]; |
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62 pixelCr.setDash(dashes, 0.0); |
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63 pixelCr.setSourceRgba(0.0, 0.0, 0.5, 1.0); |
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64 pixelCr.setLineWidth(LINE_WIDTH); |
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65 rectangle(pixelCr, Rectangle(_currentPoint, _anchorPoint)); |
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66 pixelCr.stroke; |
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67 } pixelCr.restore; |
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68 } |
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69 } |
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70 |
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71 private { |
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72 bool _active; |
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73 Point _currentPoint; |
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74 Point _anchorPoint; // Pixel |
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75 static immutable double LINE_WIDTH = 1.0; |
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76 } |
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77 } |