1 /*************************************************************************/
2 /*  path_2d_editor_plugin.h                                              */
3 /*************************************************************************/
4 /*                       This file is part of:                           */
5 /*                           GODOT ENGINE                                */
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8 /* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
9 /* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md)    */
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16 /* permit persons to whom the Software is furnished to do so, subject to */
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29 /*************************************************************************/
30 #ifndef PATH_2D_EDITOR_PLUGIN_H
31 #define PATH_2D_EDITOR_PLUGIN_H
32 
33 #include "editor/editor_node.h"
34 #include "editor/editor_plugin.h"
35 #include "scene/2d/path_2d.h"
36 #include "scene/gui/button_group.h"
37 #include "scene/gui/tool_button.h"
38 
39 /**
40 	@author Juan Linietsky <reduzio@gmail.com>
41 */
42 class CanvasItemEditor;
43 
44 class Path2DEditor : public HBoxContainer {
45 
46 	OBJ_TYPE(Path2DEditor, HBoxContainer);
47 
48 	UndoRedo *undo_redo;
49 
50 	CanvasItemEditor *canvas_item_editor;
51 	EditorNode *editor;
52 	Panel *panel;
53 	Path2D *node;
54 
55 	HBoxContainer *base_hb;
56 	Separator *sep;
57 
58 	enum Mode {
59 		MODE_CREATE,
60 		MODE_EDIT,
61 		MODE_EDIT_CURVE,
62 		MODE_DELETE,
63 		ACTION_CLOSE
64 	};
65 
66 	Mode mode;
67 	ToolButton *curve_create;
68 	ToolButton *curve_edit;
69 	ToolButton *curve_edit_curve;
70 	ToolButton *curve_del;
71 	ToolButton *curve_close;
72 
73 	enum Action {
74 
75 		ACTION_NONE,
76 		ACTION_MOVING_POINT,
77 		ACTION_MOVING_IN,
78 		ACTION_MOVING_OUT,
79 	};
80 
81 	Action action;
82 	int action_point;
83 	Point2 moving_from;
84 	Point2 moving_screen_from;
85 
86 	void _mode_selected(int p_mode);
87 
88 	void _canvas_draw();
89 	void _node_visibility_changed();
90 	friend class Path2DEditorPlugin;
91 
92 protected:
93 	void _notification(int p_what);
94 	void _node_removed(Node *p_node);
95 	static void _bind_methods();
96 
97 public:
98 	bool forward_input_event(const InputEvent &p_event);
99 	void edit(Node *p_path2d);
100 	Path2DEditor(EditorNode *p_editor);
101 };
102 
103 class Path2DEditorPlugin : public EditorPlugin {
104 
105 	OBJ_TYPE(Path2DEditorPlugin, EditorPlugin);
106 
107 	Path2DEditor *path2d_editor;
108 	EditorNode *editor;
109 
110 public:
forward_input_event(const InputEvent & p_event)111 	virtual bool forward_input_event(const InputEvent &p_event) { return path2d_editor->forward_input_event(p_event); }
112 
get_name()113 	virtual String get_name() const { return "Path2D"; }
has_main_screen()114 	bool has_main_screen() const { return false; }
115 	virtual void edit(Object *p_node);
116 	virtual bool handles(Object *p_node) const;
117 	virtual void make_visible(bool p_visible);
118 
119 	Path2DEditorPlugin(EditorNode *p_node);
120 	~Path2DEditorPlugin();
121 };
122 
123 #endif // PATH_2D_EDITOR_PLUGIN_H
124