Mercurial > projects > doodle
diff doodle/dia/tool_layer.d @ 28:1754cb773d41
Part-way through getting to compile with configure/builder.
author | Graham St Jack <graham.stjack@internode.on.net> |
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date | Sun, 02 Aug 2009 16:27:21 +0930 |
parents | dia/tool_layer.d@06c30d250c0a |
children | 188397ef9a12 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/doodle/dia/tool_layer.d Sun Aug 02 16:27:21 2009 +0930 @@ -0,0 +1,126 @@ +module doodle.dia.tool_layer; + +private { + import std.stdio; + import doodle.cairo.routines; +} + +public { + import doodle.dia.tool; +} + +class ToolLayer : Layer, EventHandler { + this(in Tool[] tools, in string name) { + super(name); + mTools = tools.dup; + } + + override bool handle_button_press(scope Viewport viewport, in ButtonEvent event) { + // writefln("%s", event); + + if (mGrabbedTool is null) { + foreach_reverse(ref tool; mTools) { + if (tool.handle_button_press(viewport, event)) { + mGrabbedTool = &tool; + mGrabbedButton = event.button_name; + break; + } + } + } + else { + mGrabbedTool.handle_button_press(viewport, event); + } + + return true; + } + + override bool handle_button_release(scope Viewport viewport, in ButtonEvent event) { + // writefln("%s", event); + + if (mGrabbedTool !is null) { + mGrabbedTool.handle_button_release(viewport, event); + + if (mGrabbedButton == event.button_name) { + mGrabbedTool = null; + } + } + + return true; + } + + override bool handle_key_press(scope Viewport viewport, in KeyEvent event) { + // writefln("%s", event); + + return true; + } + + override bool handle_key_release(scope Viewport viewport, in KeyEvent event) { + // writefln("%s", event); + + return true; + } + + override bool handle_motion(scope Viewport viewport, in MotionEvent event) { + //writefln("%s", event); + + if (mGrabbedTool is null) { + foreach_reverse(ref tool; mTools) { + if (tool.handle_motion(viewport, event)) { + break; + } + } + } + else { + mGrabbedTool.handle_motion(viewport, event); + } + + return true; + } + + override bool handle_scroll(scope Viewport viewport, in ScrollEvent event) { + // writefln("%s", event); + + if (mGrabbedTool is null) { + foreach_reverse(ref tool; mTools) { + if (tool.handle_scroll(viewport, event)) { + break; + } + } + } + else { + mGrabbedTool.handle_scroll(viewport, event); + } + + return true; + } + + override Rectangle bounds() const { + return Rectangle(); + } + + override void draw(const Viewport viewport, + in Rectangle pixel_damage, scope Context pixel_cr, + in Rectangle model_damage, scope Context model_cr) const { + // FIXME this isn't how we will really draw the tools... + foreach (const Tool tool; mTools) { + tool.draw(viewport, pixel_damage, pixel_cr, model_damage, model_cr); + } + } + + /* + override void push(Tool tool) { + } + + override void pop() { + } + + override void replace(Tool tool) { + } + */ + + private { + Tool[] mTools; + Tool * mGrabbedTool; + ButtonName mGrabbedButton; + } +}