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/*************************************************************************/
/*  pane_drag.cpp                                                        */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                    http://www.godotengine.org                         */
/*************************************************************************/
/* Copyright (c) 2007-2017 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 "pane_drag.h"


void PaneDrag::_input_event(const InputEvent& p_input) {

	if (p_input.type==InputEvent::MOUSE_MOTION && p_input.mouse_motion.button_mask&BUTTON_MASK_LEFT) {

		emit_signal("dragged",Point2(p_input.mouse_motion.relative_x,p_input.mouse_motion.relative_y));
	}
}

void PaneDrag::_notification(int p_what) {

	switch(p_what) {

		case NOTIFICATION_DRAW: {

			Ref<Texture> icon = mouse_over?get_icon("PaneDragHover","EditorIcons"):get_icon("PaneDrag","EditorIcons");
			if (!icon.is_null())
				icon->draw(get_canvas_item(),Point2(0,0));

		} break;
		case NOTIFICATION_MOUSE_ENTER: mouse_over=true; update();  break;
		case NOTIFICATION_MOUSE_EXIT: mouse_over=false; update();  break;
	}

}
Size2 PaneDrag::get_minimum_size() const {

	Ref<Texture> icon=get_icon("PaneDrag","EditorIcons");
	if (!icon.is_null())
		return icon->get_size();
	return Size2();

}

void PaneDrag::_bind_methods() {

	ClassDB::bind_method("_input_event",&PaneDrag::_input_event);
	ADD_SIGNAL(MethodInfo("dragged",PropertyInfo(Variant::VECTOR2,"amount")));
}

PaneDrag::PaneDrag() {

	mouse_over=false;

}