My_GtkUi/Gtk4_Reset/src/apps/ImageApp.hh

42 lines
1.0 KiB
C++

#pragma once
#include <gtkmm.h>
#include "MyImage.hh"
class ImageApp : public Gtk::ApplicationWindow
{
public:
ImageApp();
private:
// Child widgets
Gtk::ScrolledWindow sw;
MyImage image_area;
Gtk::Box main_box, btnbox;
Gtk::Button btnopen;
Gtk::Scale scale;
Gtk::Overlay overlay;
Glib::RefPtr<Gtk::Adjustment> m_adjustment, hadjustment, vadjustment;
Glib::RefPtr<Gtk::FileChooserNative> dialog;
// Gesture control
Glib::RefPtr<Gtk::GestureDrag> gesture_drag;
Glib::RefPtr<Gtk::GestureMultiPress> gesture_click;
void drag_begin(double x, double y);
void drag_update(double x, double y);
void drag_end(double x, double y);
void move_to(double x, double y);
// Menu for image control
Gtk::PopoverMenu popover;
void press(int n_press, double x, double y);
// Signal Handlers
void btnopen_clicked();
void dialog_response(int response_id);
void scale_changed();
void image_zoom_in();
void image_zoom_out();
void image_zoom_reset();
};