/*************************************************************************/
/*  editor_title_bar.cpp                                                 */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
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/* 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.       */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/*************************************************************************/

#include "editor/editor_title_bar.h"

void EditorTitleBar::input(const Ref<InputEvent> &p_event) {
	if (!can_move) {
		return;
	}

	Ref<InputEventMouseMotion> mm = p_event;
	if (mm.is_valid() && moving) {
		if ((mm->get_button_mask() & MouseButton::LEFT) == MouseButton::LEFT) {
			Window *w = Object::cast_to<Window>(get_viewport());
			if (w) {
				Point2 mouse = DisplayServer::get_singleton()->mouse_get_position();
				w->set_position(mouse - click_pos);
			}
		} else {
			moving = false;
		}
	}

	Ref<InputEventMouseButton> mb = p_event;
	if (mb.is_valid() && has_point(mb->get_position())) {
		Window *w = Object::cast_to<Window>(get_viewport());
		if (w) {
			if (mb->get_button_index() == MouseButton::LEFT) {
				if (mb->is_pressed()) {
					click_pos = DisplayServer::get_singleton()->mouse_get_position() - w->get_position();
					moving = true;
				} else {
					moving = false;
				}
			}
			if (mb->get_button_index() == MouseButton::LEFT && mb->is_double_click() && mb->is_pressed()) {
				if (DisplayServer::get_singleton()->window_maximize_on_title_dbl_click()) {
					if (w->get_mode() == Window::MODE_WINDOWED) {
						w->set_mode(Window::MODE_MAXIMIZED);
					} else if (w->get_mode() == Window::MODE_MAXIMIZED) {
						w->set_mode(Window::MODE_WINDOWED);
					}
				} else if (DisplayServer::get_singleton()->window_minimize_on_title_dbl_click()) {
					w->set_mode(Window::MODE_MINIMIZED);
				}
				moving = false;
			}
		}
	}
}

void EditorTitleBar::set_can_move_window(bool p_enabled) {
	can_move = p_enabled;
	set_process_input(can_move);
}

bool EditorTitleBar::get_can_move_window() const {
	return can_move;
}