pandemonium_engine/modules/ui_extensions/touch_button.cpp

/*************************************************************************/
/*  touch_button.cpp                                                     */
/*************************************************************************/
/*                         This file is part of:                         */
/*                          PANDEMONIUM ENGINE                           */
/*             https://github.com/Relintai/pandemonium_engine            */
/*************************************************************************/
/* Copyright (c) 2022-present Péter Magyar.                              */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
/*************************************************************************/

#include "touch_button.h"

void TouchButton::_notification(int p_what) {
	switch (p_what) {
		case NOTIFICATION_ENTER_TREE: {
			if (!Engine::get_singleton()->is_editor_hint()) {
				set_process_input(is_visible_in_tree());
			}

		} break;
		case NOTIFICATION_VISIBILITY_CHANGED: {
			if (Engine::get_singleton()->is_editor_hint()) {
				break;
			}

			if (is_visible_in_tree()) {
				set_process_input(true);
			} else {
				set_process_input(false);
			}
		} break;
	}

	Button::_notification(p_what);
}

void TouchButton::_input(Ref<InputEvent> p_event) {
	if (!get_tree()) {
		return;
	}

	if (p_event->get_device() == -1) {
		return;
	}

	ERR_FAIL_COND(!is_visible_in_tree());

	if (is_disabled()) { // no interaction with disabled button
		return;
	}

	Ref<InputEventScreenTouch> b = p_event;

	if (b.is_valid() && _is_point_inside(b->get_position())) {
		get_viewport()->set_input_as_handled();

		Ref<InputEventMouseButton> ev;
		ev.instance();

		ev->set_button_index(BUTTON_LEFT);
		ev->set_pressed(b->is_pressed());
		ev->set_position(b->get_position());
		ev->set_global_position(b->get_position());

		BaseButton::_gui_input(ev);
		update();
	}
	/*
	Ref<InputEventScreenDrag> mm = p_event;

	if (mm.is_valid() && _is_point_inside(mm->get_position())) {
		Ref<InputEventMouseMotion> ev;
		ev.instance();

		ev->set_relative(mm->get_relative());
		ev->set_speed(mm->get_speed());
		ev->set_position(b->get_position());
		ev->set_global_position(b->get_position());

		BaseButton::_gui_input(ev);
		update();
	}*/
}

void TouchButton::_gui_input(Ref<InputEvent> p_event) {
	if (p_event->get_device() == -1) {
		accept_event();
		return;
	}

	BaseButton::_gui_input(p_event);
}

void TouchButton::_shortcut_input(Ref<InputEvent> p_event) {
	if (p_event->get_device() == -1) {
		//accept_event();
		return;
	}

	Button::_shortcut_input(p_event);
}

void TouchButton::_bind_methods() {
	ClassDB::bind_method(D_METHOD("_input"), &TouchButton::_input);
}

bool TouchButton::_is_point_inside(const Vector2 &vec) {
	Point2 point;
	point.x = vec.x;
	point.y = vec.y;

	return get_global_rect().has_point(point);
}