X-Git-Url: http://git.tdb.fi/?p=libs%2Fgltk.git;a=blobdiff_plain;f=source%2Fwidget.h;h=255f0425bcc719f3161ccb32e8aaa3b75888d1e5;hp=557df434adcd34f98d858324ab753e8271b9a1a5;hb=c2635c5a3dca6a6cea5562fd387beb0662b18cf0;hpb=a38c924ff32081f5cd67c2b0e2d5ca61f0e99de2 diff --git a/source/widget.h b/source/widget.h index 557df43..255f042 100644 --- a/source/widget.h +++ b/source/widget.h @@ -1,3 +1,10 @@ +/* $Id$ + +This file is part of libmspgltk +Copyright © 2007 Mikko Rasa, Mikkosoft Productions +Distributed under the LGPL +*/ + #ifndef MSP_GLTK_WIDGET_H_ #define MSP_GLTK_WIDGET_H_ @@ -12,6 +19,10 @@ class Part; class Resources; class Style; +/** +Base class for all widgets. Derived classes should call update_style in +constructor, because it can't be done correctly in the Widget constructor. +*/ class Widget { public: @@ -29,14 +40,38 @@ public: void style(const std::string &); }; +protected: + const Resources &res; + Geometry geom; + std::string style_name; + const Style *style; + State state; + bool visible; + + Widget(const Resources &); +public: virtual ~Widget() { } void set_position(int, int); void set_size(unsigned, unsigned); void set_geometry(const Geometry &); + + /** + Sets the widget style. The final style name is constructed by concatenating + the widget class and the style name with a dash. + */ void set_style(const std::string &); + const Geometry &get_geometry() const { return geom; } bool is_visible() const { return visible; } + void render() const; +protected: + virtual void render_part(const Part &) const; + void render_graphic(const Part &) const; + void render_text(const Part &, const std::string &) const; + +public: + // Events virtual void button_press(int, int, unsigned) { } virtual void button_release(int, int, unsigned) { } virtual void pointer_motion(int, int) { } @@ -46,20 +81,14 @@ public: virtual void key_release(unsigned, unsigned) { } virtual void focus_in() { } virtual void focus_out() { } -protected: - const Resources &res; - Geometry geom; - std::string style_name; - const Style *style; - State state; - bool visible; - Widget(const Resources &); +protected: + /** + Returns the name of the widget class. Used for style lookup. + */ virtual const char *get_class() const { return "widget"; } + void update_style(); - virtual void render_part(const Part &) const; - void render_graphic(const Part &) const; - void render_text(const Part &, const std::string &) const; }; } // namespace GLtk