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comparison 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
comparison
equal deleted inserted replaced
21:993ac3a183c8 22:17c2df87b459
1 module dia.tool;
2
3 public {
4 import cairo_support;
5 import icanvas;
6 import tk.events;
7 }
8
9 /*
10 interface IToolStack {
11 void push(Tool tool);
12 void pop();
13 void replace(Tool tool);
14 }
15 */
16
17 abstract class Tool {
18 /*
19 enum Response {
20 START, CONTINUE, FINISH
21
22 }
23 */
24
25 /*
26 abstract bool is_sticky();
27 abstract bool is_replaceable();
28 */
29
30 /*
31 abstract void start(IToolStack tool_stack);
32 abstract void stop(IToolStack tool_stack);
33 */
34
35 bool handle_button_press(Viewport viewport, in ButtonEvent event) { return false; }
36 bool handle_button_release(Viewport viewport, in ButtonEvent event) { return false; }
37 bool handle_motion(Viewport viewport, in MotionEvent event) { return false; }
38 bool handle_scroll(Viewport viewport, in ScrollEvent event) { return false; }
39 //bool handle_enter(Viewport viewport, CrossingEvent event) { return false; }
40 //bool handle_leave(Viewport viewport, CrossingEvent event) { return false; }
41 //bool handle_focus_in(Viewport viewport, FocusEvent event) { return false; }
42 //bool handle_focus_out(Viewport viewport, FocusEvent event) { return false; }
43 bool handle_key_press(Viewport viewport, in KeyEvent event) { return false; }
44 bool handle_key_release(Viewport viewport, in KeyEvent event) { return false; }
45
46 void draw(const Viewport viewport,
47 in Rectangle pixel_damage, scope Context pixel_cr,
48 in Rectangle model_damage, scope Context model_cr) const { }
49 }