1/**************************************************************************/
2/* graph_element.h */
3/**************************************************************************/
4/* This file is part of: */
5/* GODOT ENGINE */
6/* https://godotengine.org */
7/**************************************************************************/
8/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
9/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
10/* */
11/* Permission is hereby granted, free of charge, to any person obtaining */
12/* a copy of this software and associated documentation files (the */
13/* "Software"), to deal in the Software without restriction, including */
14/* without limitation the rights to use, copy, modify, merge, publish, */
15/* distribute, sublicense, and/or sell copies of the Software, and to */
16/* permit persons to whom the Software is furnished to do so, subject to */
17/* the following conditions: */
18/* */
19/* The above copyright notice and this permission notice shall be */
20/* included in all copies or substantial portions of the Software. */
21/* */
22/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
23/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
24/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
25/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
26/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
27/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
28/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
29/**************************************************************************/
30
31#ifndef GRAPH_ELEMENT_H
32#define GRAPH_ELEMENT_H
33
34#include "scene/gui/container.h"
35
36class GraphElement : public Container {
37 GDCLASS(GraphElement, Container);
38
39protected:
40 bool selected = false;
41 bool resizable = false;
42 bool resizing = false;
43 bool draggable = true;
44 bool selectable = true;
45
46 Vector2 drag_from;
47 Vector2 resizing_from;
48 Vector2 resizing_from_size;
49
50 Vector2 position_offset;
51
52 struct ThemeCache {
53 Ref<Texture2D> resizer;
54 } theme_cache;
55
56#ifdef TOOLS_ENABLED
57 void _edit_set_position(const Point2 &p_position) override;
58#endif
59
60protected:
61 virtual void gui_input(const Ref<InputEvent> &p_ev) override;
62 void _notification(int p_what);
63 static void _bind_methods();
64
65 virtual void _resort();
66
67 void _validate_property(PropertyInfo &p_property) const;
68
69public:
70 void set_position_offset(const Vector2 &p_offset);
71 Vector2 get_position_offset() const;
72
73 void set_selected(bool p_selected);
74 bool is_selected();
75
76 void set_drag(bool p_drag);
77 Vector2 get_drag_from();
78
79 void set_resizable(bool p_enable);
80 bool is_resizable() const;
81
82 void set_draggable(bool p_draggable);
83 bool is_draggable();
84
85 void set_selectable(bool p_selectable);
86 bool is_selectable();
87
88 virtual Size2 get_minimum_size() const override;
89
90 bool is_resizing() const {
91 return resizing;
92 }
93
94 GraphElement() {}
95};
96
97#endif // GRAPH_ELEMENT_H
98