godot/scene/gui/text_edit.h

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/*  text_edit.h                                                          */
/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
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#ifndef TEXT_EDIT_H
#define TEXT_EDIT_H

#include "scene/gui/control.h"
#include "scene/gui/popup_menu.h"
#include "scene/gui/scroll_bar.h"
#include "scene/main/timer.h"
#include "scene/resources/syntax_highlighter.h"
#include "scene/resources/text_paragraph.h"

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

public:
	enum GutterType {
		GUTTER_TYPE_STRING,
		GUTTER_TYPE_ICON,
		GUTTER_TYPE_CUSTOM
	};

	enum SelectionMode {
		SELECTION_MODE_NONE,
		SELECTION_MODE_SHIFT,
		SELECTION_MODE_POINTER,
		SELECTION_MODE_WORD,
		SELECTION_MODE_LINE
	};

private:
	struct GutterInfo {
		GutterType type = GutterType::GUTTER_TYPE_STRING;
		String name = "";
		int width = 24;
		bool draw = true;
		bool clickable = false;
		bool overwritable = false;

		ObjectID custom_draw_obj = ObjectID();
		StringName custom_draw_callback;
	};
	Vector<GutterInfo> gutters;
	int gutters_width = 0;
	int gutter_padding = 0;

	void _update_gutter_width();

	class Text {
	public:
		struct Gutter {
			Variant metadata;
			bool clickable = false;

			Ref<Texture2D> icon = Ref<Texture2D>();
			String text = "";
			Color color = Color(1, 1, 1);
		};

		struct Line {
			Vector<Gutter> gutters;

			String data;
			Vector<Vector2i> bidi_override;
			Ref<TextParagraph> data_buf;

			Color background_color = Color(0, 0, 0, 0);
			bool hidden = false;

			Line() {
				data_buf.instantiate();
			}
		};

	private:
		mutable Vector<Line> text;
		Ref<Font> font;
		int font_size = -1;

		Dictionary opentype_features;
		String language;
		TextServer::Direction direction = TextServer::DIRECTION_AUTO;
		bool draw_control_chars = false;

		int width = -1;

		int tab_size = 4;
		int gutter_count = 0;

	public:
		void set_tab_size(int p_tab_size);
		int get_tab_size() const;
		void set_font(const Ref<Font> &p_font);
		void set_font_size(int p_font_size);
		void set_font_features(const Dictionary &p_features);
		void set_direction_and_language(TextServer::Direction p_direction, String p_language);
		void set_draw_control_chars(bool p_draw_control_chars);

		int get_line_height(int p_line, int p_wrap_index) const;
		int get_line_width(int p_line, int p_wrap_index = -1) const;
		int get_max_width(bool p_exclude_hidden = false) const;

		void set_width(float p_width);
		int get_line_wrap_amount(int p_line) const;

		Vector<Vector2i> get_line_wrap_ranges(int p_line) const;
		const Ref<TextParagraph> get_line_data(int p_line) const;

		void set(int p_line, const String &p_text, const Vector<Vector2i> &p_bidi_override);
		void set_hidden(int p_line, bool p_hidden) { text.write[p_line].hidden = p_hidden; }
		bool is_hidden(int p_line) const { return text[p_line].hidden; }
		void insert(int p_at, const String &p_text, const Vector<Vector2i> &p_bidi_override);
		void remove(int p_at);
		int size() const { return text.size(); }
		void clear();

		void invalidate_cache(int p_line, int p_column = -1, const String &p_ime_text = String(), const Vector<Vector2i> &p_bidi_override = Vector<Vector2i>());
		void invalidate_all();
		void invalidate_all_lines();

		_FORCE_INLINE_ const String &operator[](int p_line) const;

		/* Gutters. */
		void add_gutter(int p_at);
		void remove_gutter(int p_gutter);
		void move_gutters(int p_from_line, int p_to_line);

		void set_line_gutter_metadata(int p_line, int p_gutter, const Variant &p_metadata) { text.write[p_line].gutters.write[p_gutter].metadata = p_metadata; }
		const Variant &get_line_gutter_metadata(int p_line, int p_gutter) const { return text[p_line].gutters[p_gutter].metadata; }

		void set_line_gutter_text(int p_line, int p_gutter, const String &p_text) { text.write[p_line].gutters.write[p_gutter].text = p_text; }
		const String &get_line_gutter_text(int p_line, int p_gutter) const { return text[p_line].gutters[p_gutter].text; }

		void set_line_gutter_icon(int p_line, int p_gutter, Ref<Texture2D> p_icon) { text.write[p_line].gutters.write[p_gutter].icon = p_icon; }
		const Ref<Texture2D> &get_line_gutter_icon(int p_line, int p_gutter) const { return text[p_line].gutters[p_gutter].icon; }

		void set_line_gutter_item_color(int p_line, int p_gutter, const Color &p_color) { text.write[p_line].gutters.write[p_gutter].color = p_color; }
		const Color &get_line_gutter_item_color(int p_line, int p_gutter) const { return text[p_line].gutters[p_gutter].color; }

		void set_line_gutter_clickable(int p_line, int p_gutter, bool p_clickable) { text.write[p_line].gutters.write[p_gutter].clickable = p_clickable; }
		bool is_line_gutter_clickable(int p_line, int p_gutter) const { return text[p_line].gutters[p_gutter].clickable; }

		/* Line style. */
		void set_line_background_color(int p_line, const Color &p_color) { text.write[p_line].background_color = p_color; }
		const Color get_line_background_color(int p_line) const { return text[p_line].background_color; }
	};

	struct Cursor {
		Point2 draw_pos;
		bool visible = false;
		int last_fit_x = 0;
		int line = 0;
		int column = 0; ///< cursor
		int x_ofs = 0;
		int line_ofs = 0;
		int wrap_ofs = 0;
	} cursor;

	struct Selection {
		SelectionMode selecting_mode = SelectionMode::SELECTION_MODE_NONE;
		int selecting_line = 0;
		int selecting_column = 0;
		int selected_word_beg = 0;
		int selected_word_end = 0;
		int selected_word_origin = 0;
		bool selecting_text = false;

		bool active = false;

		int from_line = 0;
		int from_column = 0;
		int to_line = 0;
		int to_column = 0;

		bool shiftclick_left = false;
	} selection;

	Map<int, Dictionary> syntax_highlighting_cache;

	struct TextOperation {
		enum Type {
			TYPE_NONE,
			TYPE_INSERT,
			TYPE_REMOVE
		};

		Type type = TYPE_NONE;
		int from_line = 0;
		int from_column = 0;
		int to_line = 0;
		int to_column = 0;
		String text;
		uint32_t prev_version = 0;
		uint32_t version = 0;
		bool chain_forward = false;
		bool chain_backward = false;
	};

	String ime_text;
	Point2 ime_selection;

	TextOperation current_op;

	List<TextOperation> undo_stack;
	List<TextOperation>::Element *undo_stack_pos = nullptr;
	int undo_stack_max_size;

	void _clear_redo();
	void _do_text_op(const TextOperation &p_op, bool p_reverse);

	//syntax coloring
	Ref<SyntaxHighlighter> syntax_highlighter;
	Set<String> keywords;

	Dictionary _get_line_syntax_highlighting(int p_line);

	bool setting_text = false;

	// data
	Text text;

	Dictionary opentype_features;
	String language;
	TextDirection text_direction = TEXT_DIRECTION_AUTO;
	TextDirection input_direction = TEXT_DIRECTION_LTR;
	Control::StructuredTextParser st_parser = STRUCTURED_TEXT_DEFAULT;
	Array st_args;
	bool draw_control_chars = false;

	uint32_t version = 0;
	uint32_t saved_version = 0;

	bool readonly = true; // Initialise to opposite first, so we get past the early-out in set_readonly.

	Timer *caret_blink_timer;
	bool caret_blink_enabled = false;
	bool draw_caret = true;
	bool window_has_focus = true;
	bool block_caret = false;
	bool right_click_moves_caret = true;
	bool mid_grapheme_caret_enabled = false;

	bool wrap_enabled = false;
	int wrap_at = 0;
	int wrap_right_offset = 10;

	bool first_draw = true;
	bool setting_row = false;
	bool draw_tabs = false;
	bool draw_spaces = false;
	bool override_selected_font_color = false;
	bool cursor_changed_dirty = false;
	bool text_changed_dirty = false;
	bool undo_enabled = true;
	bool hiding_enabled = false;
	bool draw_minimap = false;
	int minimap_width = 80;
	Point2 minimap_char_size = Point2(1, 2);
	int minimap_line_spacing = 1;

	bool highlight_all_occurrences = false;
	bool scroll_past_end_of_file_enabled = false;
	bool highlight_current_line = false;

	String cut_copy_line;
	bool insert_mode = false;
	bool select_identifiers_enabled = false;

	bool smooth_scroll_enabled = false;
	bool scrolling = false;
	bool dragging_selection = false;
	bool dragging_minimap = false;
	bool can_drag_minimap = false;
	bool minimap_clicked = false;
	double minimap_scroll_ratio = 0.0;
	double minimap_scroll_click_pos = 0.0;
	float target_v_scroll = 0.0;
	float v_scroll_speed = 80.0;

	String highlighted_word;

	uint64_t last_dblclk = 0;

	Timer *idle_detect;
	Timer *click_select_held;
	HScrollBar *h_scroll;
	VScrollBar *v_scroll;
	bool updating_scrolls = false;

	Object *tooltip_obj = nullptr;
	StringName tooltip_func;
	Variant tooltip_ud;

	bool next_operation_is_complex = false;

	String search_text;
	uint32_t search_flags = 0;
	int search_result_line = 0;
	int search_result_col = 0;

	bool selecting_enabled = true;

	bool context_menu_enabled = true;
	bool shortcut_keys_enabled = true;
	bool virtual_keyboard_enabled = true;

	int get_visible_rows() const;
	int get_total_visible_rows() const;

	int _get_minimap_visible_rows() const;

	void update_cursor_wrap_offset();
	void _update_wrap_at(bool p_force = false);
	Vector<String> get_wrap_rows_text(int p_line) const;
	int get_cursor_wrap_index() const;
	int get_char_count();

	double get_scroll_pos_for_line(int p_line, int p_wrap_index = 0) const;
	void set_line_as_first_visible(int p_line, int p_wrap_index = 0);
	void set_line_as_center_visible(int p_line, int p_wrap_index = 0);
	void set_line_as_last_visible(int p_line, int p_wrap_index = 0);
	int get_first_visible_line() const;
	int get_last_full_visible_line() const;
	int get_last_full_visible_line_wrap_index() const;
	double get_visible_rows_offset() const;
	double get_v_scroll_offset() const;

	int get_char_pos_for_line(int p_px, int p_line, int p_wrap_index = 0) const;
	int get_column_x_offset_for_line(int p_char, int p_line) const;

	void adjust_viewport_to_cursor();
	double get_scroll_line_diff() const;
	void _scroll_moved(double);
	void _update_scrollbars();
	void _v_scroll_input();
	void _click_selection_held();

	void _update_selection_mode_pointer();
	void _update_selection_mode_word();
	void _update_selection_mode_line();

	void _update_minimap_click();
	void _update_minimap_drag();
	void _scroll_up(real_t p_delta);
	void _scroll_down(real_t p_delta);

	void _pre_shift_selection();
	void _post_shift_selection();

	void _scroll_lines_up();
	void _scroll_lines_down();

	//void mouse_motion(const Point& p_pos, const Point& p_rel, int p_button_mask);
	Size2 get_minimum_size() const override;
	int _get_control_height() const;

	Point2 _get_local_mouse_pos() const;
	int _get_menu_action_accelerator(const String &p_action);

	void _reset_caret_blink_timer();
	void _toggle_draw_caret();

	void _update_caches();
	void _cursor_changed_emit();
	void _text_changed_emit();

	void _push_current_op();

	/* super internal api, undo/redo builds on it */

	void _base_insert_text(int p_line, int p_char, const String &p_text, int &r_end_line, int &r_end_column);
	String _base_get_text(int p_from_line, int p_from_column, int p_to_line, int p_to_column) const;
	void _base_remove_text(int p_from_line, int p_from_column, int p_to_line, int p_to_column);

	int _get_column_pos_of_word(const String &p_key, const String &p_search, uint32_t p_search_flags, int p_from_column);

	Dictionary _search_bind(const String &p_key, uint32_t p_search_flags, int p_from_line, int p_from_column) const;

	PopupMenu *menu = nullptr;
	PopupMenu *menu_dir = nullptr;
	PopupMenu *menu_ctl = nullptr;

	void _ensure_menu();

	void _clear();

	// Methods used in shortcuts
	void _swap_current_input_direction();
	void _new_line(bool p_split_current = true, bool p_above = false);
	void _move_cursor_left(bool p_select, bool p_move_by_word = false);
	void _move_cursor_right(bool p_select, bool p_move_by_word = false);
	void _move_cursor_up(bool p_select);
	void _move_cursor_down(bool p_select);
	void _move_cursor_to_line_start(bool p_select);
	void _move_cursor_to_line_end(bool p_select);
	void _move_cursor_page_up(bool p_select);
	void _move_cursor_page_down(bool p_select);
	void _do_backspace(bool p_word = false, bool p_all_to_left = false);
	void _delete(bool p_word = false, bool p_all_to_right = false);
	void _move_cursor_document_start(bool p_select);
	void _move_cursor_document_end(bool p_select);

protected:
	bool highlight_matching_braces_enabled = false;

	struct Cache {
		Ref<Texture2D> tab_icon;
		Ref<Texture2D> space_icon;
		Ref<Texture2D> folded_eol_icon;
		Ref<StyleBox> style_normal;
		Ref<StyleBox> style_focus;
		Ref<StyleBox> style_readonly;
		Ref<Font> font;
		int font_size = 16;
		int outline_size = 0;
		Color outline_color;
		Color caret_color;
		Color caret_background_color;
		Color font_color;
		Color font_selected_color;
		Color font_readonly_color;
		Color selection_color;
		Color code_folding_color;
		Color current_line_color;
		Color brace_mismatch_color;
		Color word_highlighted_color;
		Color search_result_color;
		Color search_result_border_color;
		Color background_color;

		int line_spacing = 1;
		int minimap_width = 0;
	} cache;

	virtual String get_tooltip(const Point2 &p_pos) const override;

	void _insert_text(int p_line, int p_char, const String &p_text, int *r_end_line = nullptr, int *r_end_char = nullptr);
	void _remove_text(int p_from_line, int p_from_column, int p_to_line, int p_to_column);
	virtual void _gui_input(const Ref<InputEvent> &p_gui_input);
	void _notification(int p_what);

	static void _bind_methods();

	bool _set(const StringName &p_name, const Variant &p_value);
	bool _get(const StringName &p_name, Variant &r_ret) const;
	void _get_property_list(List<PropertyInfo> *p_list) const;

public:
	/* Syntax Highlighting. */
	Ref<SyntaxHighlighter> get_syntax_highlighter();
	void set_syntax_highlighter(Ref<SyntaxHighlighter> p_syntax_highlighter);

	/* Gutters. */
	void add_gutter(int p_at = -1);
	void remove_gutter(int p_gutter);
	int get_gutter_count() const;

	void set_gutter_name(int p_gutter, const String &p_name);
	String get_gutter_name(int p_gutter) const;

	void set_gutter_type(int p_gutter, GutterType p_type);
	GutterType get_gutter_type(int p_gutter) const;

	void set_gutter_width(int p_gutter, int p_width);
	int get_gutter_width(int p_gutter) const;
	int get_total_gutter_width() const;

	void set_gutter_draw(int p_gutter, bool p_draw);
	bool is_gutter_drawn(int p_gutter) const;

	void set_gutter_clickable(int p_gutter, bool p_clickable);
	bool is_gutter_clickable(int p_gutter) const;

	void set_gutter_overwritable(int p_gutter, bool p_overwritable);
	bool is_gutter_overwritable(int p_gutter) const;

	void merge_gutters(int p_from_line, int p_to_line);

	void set_gutter_custom_draw(int p_gutter, Object *p_object, const StringName &p_callback);

	// Line gutters.
	void set_line_gutter_metadata(int p_line, int p_gutter, const Variant &p_metadata);
	Variant get_line_gutter_metadata(int p_line, int p_gutter) const;

	void set_line_gutter_text(int p_line, int p_gutter, const String &p_text);
	String get_line_gutter_text(int p_line, int p_gutter) const;

	void set_line_gutter_icon(int p_line, int p_gutter, Ref<Texture2D> p_icon);
	Ref<Texture2D> get_line_gutter_icon(int p_line, int p_gutter) const;

	void set_line_gutter_item_color(int p_line, int p_gutter, const Color &p_color);
	Color get_line_gutter_item_color(int p_line, int p_gutter);

	void set_line_gutter_clickable(int p_line, int p_gutter, bool p_clickable);
	bool is_line_gutter_clickable(int p_line, int p_gutter) const;

	// Line style
	void set_line_background_color(int p_line, const Color &p_color);
	Color get_line_background_color(int p_line);

	enum MenuItems {
		MENU_CUT,
		MENU_COPY,
		MENU_PASTE,
		MENU_CLEAR,
		MENU_SELECT_ALL,
		MENU_UNDO,
		MENU_REDO,
		MENU_DIR_INHERITED,
		MENU_DIR_AUTO,
		MENU_DIR_LTR,
		MENU_DIR_RTL,
		MENU_DISPLAY_UCC,
		MENU_INSERT_LRM,
		MENU_INSERT_RLM,
		MENU_INSERT_LRE,
		MENU_INSERT_RLE,
		MENU_INSERT_LRO,
		MENU_INSERT_RLO,
		MENU_INSERT_PDF,
		MENU_INSERT_ALM,
		MENU_INSERT_LRI,
		MENU_INSERT_RLI,
		MENU_INSERT_FSI,
		MENU_INSERT_PDI,
		MENU_INSERT_ZWJ,
		MENU_INSERT_ZWNJ,
		MENU_INSERT_WJ,
		MENU_INSERT_SHY,
		MENU_MAX

	};

	enum SearchFlags {
		SEARCH_MATCH_CASE = 1,
		SEARCH_WHOLE_WORDS = 2,
		SEARCH_BACKWARDS = 4
	};

	virtual CursorShape get_cursor_shape(const Point2 &p_pos = Point2i()) const override;

	void _get_mouse_pos(const Point2i &p_mouse, int &r_row, int &r_col) const;
	void _get_minimap_mouse_row(const Point2i &p_mouse, int &r_row) const;

	//void delete_char();
	//void delete_line();

	void begin_complex_operation();
	void end_complex_operation();

	bool is_insert_text_operation();

	void set_text_direction(TextDirection p_text_direction);
	TextDirection get_text_direction() const;

	void set_opentype_feature(const String &p_name, int p_value);
	int get_opentype_feature(const String &p_name) const;
	void clear_opentype_features();

	void set_language(const String &p_language);
	String get_language() const;

	void set_draw_control_chars(bool p_draw_control_chars);
	bool get_draw_control_chars() const;

	void set_structured_text_bidi_override(Control::StructuredTextParser p_parser);
	Control::StructuredTextParser get_structured_text_bidi_override() const;

	void set_structured_text_bidi_override_options(Array p_args);
	Array get_structured_text_bidi_override_options() const;

	void set_highlighted_word(const String &new_word);
	void set_text(String p_text);
	void insert_text_at_cursor(const String &p_text);
	void insert_at(const String &p_text, int at);
	int get_line_count() const;
	int get_line_width(int p_line, int p_wrap_offset = -1) const;
	int get_line_wrap_index_at_col(int p_line, int p_column) const;

	void set_line_as_hidden(int p_line, bool p_hidden);
	bool is_line_hidden(int p_line) const;
	void unhide_all_lines();
	int num_lines_from(int p_line_from, int visible_amount) const;
	int num_lines_from_rows(int p_line_from, int p_wrap_index_from, int visible_amount, int &wrap_index) const;
	int get_last_unhidden_line() const;

	String get_text();
	String get_line(int line) const;
	bool has_ime_text() const;
	void set_line(int line, String new_text);
	int get_row_height() const;

	int get_indent_level(int p_line) const;
	int get_first_non_whitespace_column(int p_line) const;

	inline void set_scroll_pass_end_of_file(bool p_enabled) {
		scroll_past_end_of_file_enabled = p_enabled;
		update();
	}

	void center_viewport_to_cursor();

	void set_mid_grapheme_caret_enabled(const bool p_enabled);
	bool get_mid_grapheme_caret_enabled() const;

	void cursor_set_column(int p_col, bool p_adjust_viewport = true);
	void cursor_set_line(int p_row, bool p_adjust_viewport = true, bool p_can_be_hidden = true, int p_wrap_index = 0);

	Point2 get_caret_draw_pos() const;
	bool is_caret_visible() const;
	int cursor_get_column() const;
	int cursor_get_line() const;
	Vector2i _get_cursor_pixel_pos(bool p_adjust_viewport = true);

	bool cursor_get_blink_enabled() const;
	void cursor_set_blink_enabled(const bool p_enabled);

	float cursor_get_blink_speed() const;
	void cursor_set_blink_speed(const float p_speed);

	void cursor_set_block_mode(const bool p_enable);
	bool cursor_is_block_mode() const;

	void set_right_click_moves_caret(bool p_enable);
	bool is_right_click_moving_caret() const;

	SelectionMode get_selection_mode() const;
	void set_selection_mode(SelectionMode p_mode, int p_line = -1, int p_column = -1);
	int get_selection_line() const;
	int get_selection_column() const;

	void set_readonly(bool p_readonly);
	bool is_readonly() const;

	void set_wrap_enabled(bool p_wrap_enabled);
	bool is_wrap_enabled() const;
	bool line_wraps(int line) const;
	int times_line_wraps(int line) const;

	void clear();

	void delete_selection();

	virtual void handle_unicode_input(uint32_t p_unicode);
	virtual void backspace();
	void cut();
	void copy();
	void paste();
	void select_all();
	void select_word_under_caret();
	void select(int p_from_line, int p_from_column, int p_to_line, int p_to_column);
	void deselect();
	void swap_lines(int line1, int line2);

	void set_search_text(const String &p_search_text);
	void set_search_flags(uint32_t p_flags);
	void set_current_search_result(int line, int col);

	void set_highlight_all_occurrences(const bool p_enabled);
	bool is_highlight_all_occurrences_enabled() const;
	bool is_selection_active() const;
	int get_selection_from_line() const;
	int get_selection_from_column() const;
	int get_selection_to_line() const;
	int get_selection_to_column() const;
	String get_selection_text() const;

	String get_word_under_cursor() const;
	String get_word_at_pos(const Vector2 &p_pos) const;

	bool search(const String &p_key, uint32_t p_search_flags, int p_from_line, int p_from_column, int &r_line, int &r_column) const;

	void undo();
	void redo();
	void clear_undo_history();

	void set_tab_size(const int p_size);
	int get_tab_size() const;
	void set_draw_tabs(bool p_draw);
	bool is_drawing_tabs() const;
	void set_draw_spaces(bool p_draw);
	bool is_drawing_spaces() const;
	void set_override_selected_font_color(bool p_override_selected_font_color);
	bool is_overriding_selected_font_color() const;

	void set_insert_mode(bool p_enabled);
	bool is_insert_mode() const;

	double get_v_scroll() const;
	void set_v_scroll(double p_scroll);

	int get_h_scroll() const;
	void set_h_scroll(int p_scroll);

	void set_smooth_scroll_enabled(bool p_enable);
	bool is_smooth_scroll_enabled() const;

	void set_v_scroll_speed(float p_speed);
	float get_v_scroll_speed() const;

	uint32_t get_version() const;
	uint32_t get_saved_version() const;
	void tag_saved_version();

	void menu_option(int p_option);

	void set_highlight_current_line(bool p_enabled);
	bool is_highlight_current_line_enabled() const;

	void set_draw_minimap(bool p_draw);
	bool is_drawing_minimap() const;

	void set_minimap_width(int p_minimap_width);
	int get_minimap_width() const;

	void set_hiding_enabled(bool p_enabled);
	bool is_hiding_enabled() const;

	void set_tooltip_request_func(Object *p_obj, const StringName &p_function, const Variant &p_udata);

	void set_select_identifiers_on_hover(bool p_enable);
	bool is_selecting_identifiers_on_hover_enabled() const;

	void set_context_menu_enabled(bool p_enable);
	bool is_context_menu_enabled();

	void set_selecting_enabled(bool p_enabled);
	bool is_selecting_enabled() const;

	void set_shortcut_keys_enabled(bool p_enabled);
	bool is_shortcut_keys_enabled() const;

	void set_virtual_keyboard_enabled(bool p_enable);
	bool is_virtual_keyboard_enabled() const;

	bool is_menu_visible() const;
	PopupMenu *get_menu() const;

	String get_text_for_lookup_completion();

	virtual bool is_text_field() const override;
	TextEdit();
	~TextEdit();
};

VARIANT_ENUM_CAST(TextEdit::GutterType);
VARIANT_ENUM_CAST(TextEdit::SelectionMode);
VARIANT_ENUM_CAST(TextEdit::MenuItems);
VARIANT_ENUM_CAST(TextEdit::SearchFlags);

#endif // TEXT_EDIT_H