callback.hpp

/*
 * Copyright 2019-2022 University of Toronto
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Authors: Mario Badr, Sameh Attia, Tanner Young-Schultz and Vaughn Betz
 */
 
#ifndef EZGL_CALLBACK_HPP
#define EZGL_CALLBACK_HPP
 
#include "ezgl/application.hpp"
#include "ezgl/camera.hpp"
#include "ezgl/canvas.hpp"
#include "ezgl/control.hpp"
#include "ezgl/graphics.hpp"
 
#include <iostream>
 
// Mouse button used for panning (left button (1) - middle button (2) - right button (3))
#define PANNING_MOUSE_BUTTON 1
 
namespace ezgl {
 
/**** Callback functions for keyboard and mouse input, and for all the ezgl predefined buttons. *****/
 
gboolean press_key(GtkWidget *widget, GdkEventKey *event, gpointer data);
 
gboolean press_mouse(GtkWidget *widget, GdkEventButton *event, gpointer data);
 
gboolean release_mouse(GtkWidget *widget, GdkEventButton *event, gpointer data);
 
gboolean move_mouse(GtkWidget *widget, GdkEventButton *event, gpointer data);
 
gboolean scroll_mouse(GtkWidget *widget, GdkEvent *event, gpointer data);
 
gboolean press_zoom_fit(GtkWidget *widget, gpointer data);
 
gboolean press_zoom_in(GtkWidget *widget, gpointer data);
 
gboolean press_zoom_out(GtkWidget *widget, gpointer data);
 
gboolean press_up(GtkWidget *widget, gpointer data);
 
gboolean press_down(GtkWidget *widget, gpointer data);
 
gboolean press_left(GtkWidget *widget, gpointer data);
 
gboolean press_right(GtkWidget *widget, gpointer data);
 
gboolean press_proceed(GtkWidget *widget, gpointer data);
}
 
#endif //EZGL_CALLBACK_HPP