color_picker.h

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#pragma once
#include "control.h"
 
namespace xtd {
  namespace forms {
    class forms_export_ color_picker : public control {
    public:
      color_picker();
 
      const drawing::color& color() const {return color_;}
      void color(const drawing::color& color);
      
      drawing::size default_size() const override {return {100, 25};}
      
      
      bool alpha_color() const {return alpha_color_;}
      color_picker& alpha_color(bool alpha_color) {
        if (alpha_color_ != alpha_color) {
          alpha_color_ = alpha_color;
          recreate_handle();
        }
        return *this;
      }
 
      event<color_picker, event_handler> color_changed;
      
    protected:
      forms::create_params create_params() const override;
      
      void on_color_changed(const event_args& e);
      
      void on_handle_created(const event_args& e) override;
      
      void wnd_proc(message& message) override;
      
    private:
      void wm_click(message& message);
      drawing::color color_;
      bool alpha_color_ = false;
    };
  }
}