#include #include "c_fl_light_button.h" typedef void (hook)(void*); typedef hook* hook_p; class My_Light_Button : public Fl_Light_Button { public: using Fl_Light_Button::Fl_Light_Button; friend void light_button_set_draw_hook(LIGHTBUTTON b, void * d); friend void fl_light_button_draw(LIGHTBUTTON b); protected: void draw(); void real_draw(); hook_p draw_hook; }; void My_Light_Button::draw() { (*draw_hook)(this->user_data()); } void My_Light_Button::real_draw() { Fl_Light_Button::draw(); } void light_button_set_draw_hook(LIGHTBUTTON b, void * d) { reinterpret_cast(b)->draw_hook = reinterpret_cast(d); } void fl_light_button_draw(LIGHTBUTTON b) { reinterpret_cast(b)->real_draw(); } LIGHTBUTTON new_fl_light_button(int x, int y, int w, int h, char* label) { My_Light_Button *b = new My_Light_Button(x, y, w, h, label); return b; } void free_fl_light_button(LIGHTBUTTON b) { delete reinterpret_cast(b); }