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annotate dia/tool.d @ 22:17c2df87b459

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Package refactoring.
author "David Bryant <bagnose@gmail.com>"
date Wed, 15 Jul 2009 23:31:29 +0930
parents tool.d@22abbf4cde96
children a24c13bb9c98
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17c2df87b459 Package refactoring.
"David Bryant <bagnose@gmail.com>"
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1 module dia.tool;
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3 public {
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4 import cairo_support;
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5 import icanvas;
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6 import 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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24
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25 /*
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26 abstract bool is_sticky();
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27 abstract bool is_replaceable();
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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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34
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35 bool handle_button_press(Viewport viewport, in ButtonEvent event) { return false; }
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36 bool handle_button_release(Viewport viewport, in ButtonEvent event) { return false; }
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37 bool handle_motion(Viewport viewport, in MotionEvent event) { return false; }
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38 bool handle_scroll(Viewport viewport, in ScrollEvent event) { return false; }
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39 //bool handle_enter(Viewport viewport, CrossingEvent event) { return false; }
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40 //bool handle_leave(Viewport viewport, CrossingEvent event) { return false; }
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41 //bool handle_focus_in(Viewport viewport, FocusEvent event) { return false; }
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42 //bool handle_focus_out(Viewport viewport, FocusEvent event) { return false; }
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43 bool handle_key_press(Viewport viewport, in KeyEvent event) { return false; }
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44 bool handle_key_release(Viewport viewport, in KeyEvent event) { return false; }
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45
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46 void draw(const Viewport viewport,
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47 in Rectangle pixel_damage, scope Context pixel_cr,
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48 in Rectangle model_damage, scope Context model_cr) const { }
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49 }