initial commit, 4.5 stable

scene/gui/graph_element.h

@@ -0,0 +1,92 @@
+/**************************************************************************/
+/*  graph_element.h                                                       */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 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.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include "scene/gui/container.h"
+
+class GraphElement : public Container {
+	GDCLASS(GraphElement, Container);
+
+protected:
+	bool selected = false;
+	bool resizable = false;
+	bool resizing = false;
+	bool draggable = true;
+	bool selectable = true;
+
+	Vector2 drag_from;
+	Vector2 resizing_from;
+	Vector2 resizing_from_size;
+
+	Vector2 position_offset;
+
+	struct ThemeCache {
+		Ref<Texture2D> resizer;
+	} theme_cache;
+
+#ifdef TOOLS_ENABLED
+	void _edit_set_position(const Point2 &p_position) override;
+#endif
+
+protected:
+	virtual void gui_input(const Ref<InputEvent> &p_ev) override;
+	void _notification(int p_what);
+	static void _bind_methods();
+
+	virtual void _resort();
+
+	void _validate_property(PropertyInfo &p_property) const;
+
+public:
+	void set_position_offset(const Vector2 &p_offset);
+	Vector2 get_position_offset() const;
+
+	void set_selected(bool p_selected);
+	bool is_selected();
+
+	void set_drag(bool p_drag);
+	Vector2 get_drag_from();
+
+	void set_resizable(bool p_enable);
+	bool is_resizable() const;
+
+	void set_draggable(bool p_draggable);
+	bool is_draggable();
+
+	void set_selectable(bool p_selectable);
+	bool is_selectable();
+
+	virtual Size2 get_minimum_size() const override;
+
+	bool is_resizing() const {
+		return resizing;
+	}
+};