godot/editor/plugins/navigation_link_2d_editor_plugin.h

/*************************************************************************/
/*  navigation_link_2d_editor_plugin.h                                   */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
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#ifndef NAVIGATION_LINK_2D_EDITOR_PLUGIN_H
#define NAVIGATION_LINK_2D_EDITOR_PLUGIN_H

#include "editor/editor_plugin.h"
#include "scene/2d/navigation_link_2d.h"

class CanvasItemEditor;
class EditorUndoRedoManager;

class NavigationLink2DEditor : public Control {
	GDCLASS(NavigationLink2DEditor, Control);

	Ref<EditorUndoRedoManager> undo_redo;
	CanvasItemEditor *canvas_item_editor = nullptr;
	NavigationLink2D *node = nullptr;

	bool start_grabbed = false;
	Vector2 original_start_location;

	bool end_grabbed = false;
	Vector2 original_end_location;

protected:
	void _notification(int p_what);
	void _node_removed(Node *p_node);

public:
	bool forward_canvas_gui_input(const Ref<InputEvent> &p_event);
	void forward_canvas_draw_over_viewport(Control *p_overlay);
	void edit(NavigationLink2D *p_node);

	NavigationLink2DEditor();
};

class NavigationLink2DEditorPlugin : public EditorPlugin {
	GDCLASS(NavigationLink2DEditorPlugin, EditorPlugin);

	NavigationLink2DEditor *editor = nullptr;

public:
	virtual bool forward_canvas_gui_input(const Ref<InputEvent> &p_event) override { return editor->forward_canvas_gui_input(p_event); }
	virtual void forward_canvas_draw_over_viewport(Control *p_overlay) override { editor->forward_canvas_draw_over_viewport(p_overlay); }

	virtual String get_name() const override { return "NavigationLink2D"; }
	bool has_main_screen() const override { return false; }
	virtual void edit(Object *p_object) override;
	virtual bool handles(Object *p_object) const override;
	virtual void make_visible(bool p_visible) override;

	NavigationLink2DEditorPlugin();
};

#endif // NAVIGATION_LINK_2D_EDITOR_PLUGIN_H