Mercurial > projects > doodle
view tool.d @ 18:df8d81d9f499
Lasso fiddling
author | David Bryant <daveb@acres.com.au> |
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date | Mon, 13 Jul 2009 17:08:32 +0930 |
parents | c643c04e3f5e |
children | 22abbf4cde96 |
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module tool; public { import cairo_support; import icanvas; import tk.events; } /* interface IToolStack { void push(Tool tool); void pop(); void replace(Tool tool); } */ abstract class Tool { /* enum Response { START, CONTINUE, FINISH } */ /* abstract bool is_sticky(); abstract bool is_replaceable(); */ /* abstract void start(IToolStack tool_stack); abstract void stop(IToolStack tool_stack); */ bool handle_button_press(Viewport viewport, in ButtonEvent event) { return false; } bool handle_button_release(Viewport viewport, in ButtonEvent event) { return false; } bool handle_motion(Viewport viewport, in MotionEvent event) { return false; } bool handle_scroll(Viewport viewport, in ScrollEvent event) { return false; } //bool handle_enter(Viewport viewport, CrossingEvent event) { return false; } //bool handle_leave(Viewport viewport, CrossingEvent event) { return false; } //bool handle_focus_in(Viewport viewport, FocusEvent event) { return false; } //bool handle_focus_out(Viewport viewport, FocusEvent event) { return false; } bool handle_key_press(Viewport viewport, in KeyEvent event) { return false; } bool handle_key_release(Viewport viewport, in KeyEvent event) { return false; } void draw(const Viewport viewport, in Rectangle damage, Context model_cr, Context pixel_cr) const { } }