themed_canvas_overlay.h

#pragma once
 
#include <cgv_app/canvas_overlay.h>
#include <cgv/gui/theme_info.h>
 
#include "lib_begin.h"
 
namespace cgv {
namespace app {
 
class CGV_API themed_canvas_overlay : public canvas_overlay, public cgv::gui::theme_observer {
private:
    int padding_ = 8;
 
    cgv::g2d::shape2d_style container_style_;
 
protected:
    bool background_visible_ = true;
 
    void begin_content(cgv::render::context& ctx, bool clear_frame_buffer = true);
    
    virtual void init_styles() override {}
 
    void init_container_style(const cgv::gui::theme_info& theme);
 
    cgv::g2d::irect get_content_rectangle() const;
 
    int padding() const { return padding_; }
 
public:
    themed_canvas_overlay();
 
    bool init(cgv::render::context& ctx) override;
 
    virtual void handle_theme_change(const cgv::gui::theme_info& theme) override;
 
    bool get_background_visible() const { return background_visible_; }
    void set_background_visible(bool flag);
};
 
typedef cgv::data::ref_ptr<canvas_overlay> canvas_overlay_ptr;
 
}
}
 
#include <cgv/config/lib_end.h>