Add icon support to Button

[libs/gltk.git] / source / button.h

diff --git a/source/button.h b/source/button.h
index 8bd2d315c26cb8439ad3cb9a5cd30a7162f7f7f3..d13a4c094c22deade08f6fcbe9e0fcf4b656857a 100644 (file)
--- a/source/button.h
+++ b/source/button.h
@@ -1,27 +1,51 @@
+/* $Id$
+
+This file is part of libmspgltk
+Copyright © 2007, 2009  Mikko Rasa, Mikkosoft Productions
+Distributed under the LGPL
+*/
+
 #ifndef MSP_GLTK_BUTTON_H_
 #define MSP_GLTK_BUTTON_H_
 
 #include <sigc++/sigc++.h>
+#include <msp/gl/texture2d.h>
 #include "widget.h"
 
 namespace Msp {
 namespace GLtk {
 
+/**
+A clickable button widget.  Buttons can have a text label, which is displayed
+in a spacial part "text".
+*/
 class Button: public Widget
 {
 public:
-       sigc::signal<void> signal_clicked;
+       class Loader: public Widget::Loader
+       {
+       public:
+               Loader(Button &);
+               Button &get_object() const;
+       };
 
-       Button(const Resources &, const std::string & =std::string());
-       void set_text(const std::string &);
-       void button_press(int, int, unsigned);
-       void button_release(int, int, unsigned);
 private:
        std::string text;
+       const GL::Texture2D *icon;
        bool pressed;
 
-       const char *get_class() const { return "button"; }
-       void render_part(const Part &) const;
+public:
+       sigc::signal<void> signal_clicked;
+
+       Button(const Resources &, const std::string & =std::string());
+       void set_text(const std::string &);
+       void set_icon(const GL::Texture2D *);
+       virtual void button_press(int, int, unsigned);
+       virtual void button_release(int, int, unsigned);
+       virtual void pointer_motion(int, int);
+private:
+       virtual const char *get_class() const { return "button"; }
+       virtual void render_special(const Part &) const;
 };
 
 } // namespace GLtk