Mercurial > projects > doodle
annotate doodle/fig/select_tool.d @ 81:d92b9f04b1e8
Bed time
author | "David Bryant <bagnose@gmail.com>" |
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date | Mon, 16 Aug 2010 00:04:27 +0930 |
parents | b759414d2b72 |
children | cdd4fc728d94 |
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 final class SelectTool : Tool { |
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8 this() { |
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9 super("Select"); |
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10 } |
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11 |
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12 override bool handleButtonPress(scope IViewport viewport, in ButtonEvent event) { |
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13 if (event.buttonName == ButtonName.LEFT) { |
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14 _active = true; |
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15 _anchorPoint = _currentPoint = event.screenPoint; |
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16 viewport.setCursor(Cursor.HAND); |
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17 return true; |
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18 } |
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19 else { |
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20 return false; |
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21 } |
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22 } |
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23 |
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24 override bool handleButtonRelease(scope IViewport viewport, in ButtonEvent event) { |
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25 if (event.buttonName == ButtonName.LEFT && _active) { |
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26 _active = false; |
79 | 27 viewport.damageScreen(growCentre(Rectangle(_anchorPoint, _currentPoint), LINE_WIDTH)); |
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28 viewport.setCursor(Cursor.DEFAULT); |
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29 return true; |
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30 } |
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31 else { |
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32 return false; |
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33 } |
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34 } |
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35 |
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36 override bool handleMotion(scope IViewport viewport, in MotionEvent event) { |
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37 if (_active) { |
79 | 38 viewport.damageScreen(growCentre(Rectangle(_anchorPoint, _currentPoint), LINE_WIDTH)); |
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39 _currentPoint = event.screenPoint; |
79 | 40 viewport.damageScreen(growCentre(Rectangle(_anchorPoint, _currentPoint), LINE_WIDTH)); |
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41 } |
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42 |
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43 return false; |
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44 } |
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45 |
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46 override void draw(in Rectangle screenDamage, scope Drawable screenDrawable) const { |
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47 if (_active) { |
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48 screenDrawable.pushState; { |
81 | 49 screenDrawable.setLineStyle(Drawable.LineStyle.DASHED); |
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50 screenDrawable.setLineWidth(LINE_WIDTH); |
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51 screenDrawable.setColor(Color(0.0, 0.0, 0.5, 1.0)); |
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52 screenDrawable.drawRectangle(Rectangle(_currentPoint, _anchorPoint), false); |
b759414d2b72
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"David Bryant <bagnose@gmail.com>"
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53 } screenDrawable.popState; |
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54 } |
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55 } |
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56 |
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57 private { |
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58 bool _active; |
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59 Point _currentPoint; |
81 | 60 Point _anchorPoint; |
63
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61 static immutable double LINE_WIDTH = 1.0; |
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62 } |
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63 } |