text: /*************************************************************************/
  /*  text_editor.h                                                        */
  /*************************************************************************/
  /*                       This file is part of:                           */
  /*                           Valjang Engine                                */
  /*                      http://Valjang.fr                          */
  /*************************************************************************/
  /* Copyright (c) 2007-2020 Valjang.                 */
  /* Copyright (c) 2014-2020 Valjang Engine contributors (cf. AUTHORS.md).   */
  /*                                                                       */
  /* 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.                */
  /*************************************************************************/
  
  #ifndef TEXT_EDITOR_H
  #define TEXT_EDITOR_H
  
  #include "script_editor_plugin.h"
  
  class TextEditor : public ScriptEditorBase {
  	GDCLASS(TextEditor, ScriptEditorBase);
  
  private:
  	CodeTextEditor *code_editor = nullptr;
  
  	Ref<TextFile> text_file;
  	bool editor_enabled = false;
  
  	HBoxContainer *edit_hb = nullptr;
  	MenuButton *edit_menu = nullptr;
  	PopupMenu *highlighter_menu = nullptr;
  	MenuButton *search_menu = nullptr;
  	PopupMenu *bookmarks_menu = nullptr;
  	PopupMenu *context_menu = nullptr;
  
  	GotoLineDialog *goto_line_dialog = nullptr;
  
  	enum {
  		EDIT_UNDO,
  		EDIT_REDO,
  		EDIT_CUT,
  		EDIT_COPY,
  		EDIT_PASTE,
  		EDIT_SELECT_ALL,
  		EDIT_TRIM_TRAILING_WHITESAPCE,
  		EDIT_CONVERT_INDENT_TO_SPACES,
  		EDIT_CONVERT_INDENT_TO_TABS,
  		EDIT_MOVE_LINE_UP,
  		EDIT_MOVE_LINE_DOWN,
  		EDIT_INDENT_RIGHT,
  		EDIT_INDENT_LEFT,
  		EDIT_DELETE_LINE,
  		EDIT_CLONE_DOWN,
  		EDIT_TO_UPPERCASE,
  		EDIT_TO_LOWERCASE,
  		EDIT_CAPITALIZE,
  		EDIT_TOGGLE_FOLD_LINE,
  		EDIT_FOLD_ALL_LINES,
  		EDIT_UNFOLD_ALL_LINES,
  		SEARCH_FIND,
  		SEARCH_FIND_NEXT,
  		SEARCH_FIND_PREV,
  		SEARCH_REPLACE,
  		SEARCH_IN_FILES,
  		REPLACE_IN_FILES,
  		SEARCH_GOTO_LINE,
  		BOOKMARK_TOGGLE,
  		BOOKMARK_GOTO_NEXT,
  		BOOKMARK_GOTO_PREV,
  		BOOKMARK_REMOVE_ALL,
  	};
  
  protected:
  	static void _bind_methods();
  
  	void _edit_option(int p_op);
  	void _make_context_menu(bool p_selection, bool p_can_fold, bool p_is_folded, Vector2 p_position);
  	void _text_edit_gui_input(const Ref<InputEvent> &ev);
  
  	Map<String, Ref<EditorSyntaxHighlighter>> highlighters;
  	void _change_syntax_highlighter(int p_idx);
  	void _load_theme_settings();
  
  	void _convert_case(CodeTextEditor::CaseStyle p_case);
  
  	void _validate_script();
  
  	void _update_bookmark_list();
  	void _bookmark_item_pressed(int p_idx);
  
  public:
  	virtual void add_syntax_highlighter(Ref<EditorSyntaxHighlighter> p_highlighter) override;
  	virtual void set_syntax_highlighter(Ref<EditorSyntaxHighlighter> p_highlighter) override;
  
  	virtual String get_name() override;
  	virtual Ref<Texture2D> get_theme_icon() override;
  	virtual RES get_edited_resource() const override;
  	virtual void set_edited_resource(const RES &p_res) override;
  	virtual void enable_editor() override;
  	virtual void reload_text() override;
  	virtual void apply_code() override;
  	virtual bool is_unsaved() override;
  	virtual Variant get_edit_state() override;
  	virtual void set_edit_state(const Variant &p_state) override;
  	virtual Vector<String> get_functions() override;
  	virtual void get_breakpoints(List<int> *p_breakpoints) override;
  	virtual void goto_line(int p_line, bool p_with_error = false) override;
  	void goto_line_selection(int p_line, int p_begin, int p_end);
  	virtual void set_executing_line(int p_line) override;
  	virtual void clear_executing_line() override;
  	virtual void trim_trailing_whitespace() override;
  	virtual void insert_final_newline() override;
  	virtual void convert_indent_to_spaces() override;
  	virtual void convert_indent_to_tabs() override;
  	virtual void ensure_focus() override;
  	virtual void tag_saved_version() override;
  	virtual void update_settings() override;
  	virtual bool show_members_overview() override;
  	virtual bool can_lose_focus_on_node_selection() override { return true; }
  	virtual void set_debugger_active(bool p_active) override;
  	virtual void set_tooltip_request_func(String p_method, Object *p_obj) override;
  	virtual void add_callback(const String &p_function, PackedStringArray p_args) override;
  
  	virtual Control *get_edit_menu() override;
  	virtual void clear_edit_menu() override;
  
  	virtual void validate() override;
  
  	static void register_editor();
  
  	TextEditor();
  	~TextEditor();
  };
  
  #endif // TEXT_EDITOR_H
  