#pragma once

#include <gtkmm/box.h>
#include <gtkmm/image.h>
#include <gtkmm/eventbox.h>

namespace cadabra {

	/// \ingroup frontend
	///
	/// An image viewing widget.

	class ImageView : public Gtk::EventBox {
		public:
			ImageView(double scale);
			virtual ~ImageView();

			void set_image_from_base64(const std::string& b64);
			void set_image_from_svg(const std::string& svg);

			virtual bool on_motion_notify_event(GdkEventMotion *event) override;
			virtual bool on_button_press_event(GdkEventButton *event) override;
			virtual bool on_button_release_event(GdkEventButton *event) override;

		private:
			Gtk::VBox   vbox;
			Gtk::Image  image;
			Glib::RefPtr<Gdk::Pixbuf> pixbuf;

			bool   sizing;
			double prev_x, prev_y;
			int    height_at_press, width_at_press;
			double scale;
		};

	};