godot/editor/pane_drag.cpp

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/*************************************************************************/
/* pane_drag.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
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/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
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/* */
/* 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::_gui_input(const Ref<InputEvent> &p_input) {
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Ref<InputEventMouseMotion> mm = p_input;
if (mm.is_valid() && mm->get_button_mask() & BUTTON_MASK_LEFT) {
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emit_signal("dragged", Point2(mm->get_relative().x, mm->get_relative().y));
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}
}
void PaneDrag::_notification(int p_what) {
switch (p_what) {
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case NOTIFICATION_DRAW: {
Ref<Texture> icon = mouse_over ? get_icon("PaneDragHover", "EditorIcons") : get_icon("PaneDrag", "EditorIcons");
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if (!icon.is_null())
icon->draw(get_canvas_item(), Point2(0, 0));
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} break;
case NOTIFICATION_MOUSE_ENTER:
mouse_over = true;
update();
break;
case NOTIFICATION_MOUSE_EXIT:
mouse_over = false;
update();
break;
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}
}
Size2 PaneDrag::get_minimum_size() const {
Ref<Texture> icon = get_icon("PaneDrag", "EditorIcons");
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if (!icon.is_null())
return icon->get_size();
return Size2();
}
void PaneDrag::_bind_methods() {
ClassDB::bind_method("_gui_input", &PaneDrag::_gui_input);
ADD_SIGNAL(MethodInfo("dragged", PropertyInfo(Variant::VECTOR2, "amount")));
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}
PaneDrag::PaneDrag() {
mouse_over = false;
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}