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annotate doodle/dia/tool.d @ 56:b190a9d9352e

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Checkpoint
author "David Bryant <bagnose@gmail.com>"
date Sun, 08 Aug 2010 21:56:54 +0930
parents 1b4c9ba58673
children 9960c4fbd0dd
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1754cb773d41 Part-way through getting to compile with configure/builder.
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1 module doodle.dia.tool;
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3 public {
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4 import cairo.Context;
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5 import doodle.dia.icanvas;
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6 import doodle.tk.events;
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7 }
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9 /*
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10 interface IToolStack {
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11 void push(Tool tool);
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12 void pop();
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13 void replace(Tool tool);
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14 }
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15 */
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17 abstract class Tool {
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18 /*
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19 enum Response {
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20 START, CONTINUE, FINISH
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21
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22 }
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23 */
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25 /*
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26 abstract bool isSticky();
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27 abstract bool isReplaceable();
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28 */
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30 /*
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31 abstract void start(IToolStack tool_stack);
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32 abstract void stop(IToolStack tool_stack);
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33 */
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35 bool handleButtonPress(scope Viewport viewport, in ButtonEvent event) { return false; }
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36 bool handleButtonRelease(scope Viewport viewport, in ButtonEvent event) { return false; }
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37 bool handleMotion(scope Viewport viewport, in MotionEvent event) { return false; }
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38 bool handleScroll(scope Viewport viewport, in ScrollEvent event) { return false; }
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39 //bool handleEnter(scope viewport, CrossingEvent event) { return false; }
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40 //bool handleLeave(scope viewport, CrossingEvent event) { return false; }
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41 //bool handleFocusIn(scope viewport, FocusEvent event) { return false; }
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42 //bool handleFocusOut(scope viewport, FocusEvent event) { return false; }
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43 bool handleKeyPress(scope Viewport viewport, in KeyEvent event) { return false; }
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44 bool handleKeyRelease(scope Viewport viewport, in KeyEvent event) { return false; }
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46 void draw(in Viewport viewport,
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47 in Rectangle pixelDamage, scope Context pixelCr) const { }
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48 }