godot/scene/gui/line_edit.h
2021-11-15 17:10:56 +01:00

354 lines
10 KiB
C++

/*************************************************************************/
/* line_edit.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot 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 LINE_EDIT_H
#define LINE_EDIT_H
#include "scene/gui/control.h"
#include "scene/gui/popup_menu.h"
class LineEdit : public Control {
GDCLASS(LineEdit, Control);
public:
enum Align {
ALIGN_LEFT,
ALIGN_CENTER,
ALIGN_RIGHT,
ALIGN_FILL
};
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
};
private:
Align align = ALIGN_LEFT;
bool editable = false;
bool pass = false;
bool text_changed_dirty = false;
String undo_text;
String text;
String placeholder;
String placeholder_translated;
String secret_character = "*";
float placeholder_alpha = 0.6;
String ime_text;
Point2 ime_selection;
RID text_rid;
float full_width = 0.0;
bool selecting_enabled = true;
bool deselect_on_focus_loss_enabled = true;
bool context_menu_enabled = true;
PopupMenu *menu = nullptr;
PopupMenu *menu_dir = nullptr;
PopupMenu *menu_ctl = nullptr;
bool caret_mid_grapheme_enabled = false;
int caret_column = 0;
int scroll_offset = 0;
int max_length = 0; // 0 for no maximum.
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;
bool expand_to_text_length = false;
bool window_has_focus = true;
bool clear_button_enabled = false;
bool shortcut_keys_enabled = true;
bool virtual_keyboard_enabled = true;
bool middle_mouse_paste_enabled = true;
bool drag_action = false;
bool drag_caret_force_displayed = false;
Ref<Texture2D> right_icon;
bool flat = false;
struct Selection {
int begin = 0;
int end = 0;
int start_column = 0;
bool enabled = false;
bool creating = false;
bool double_click = false;
bool drag_attempt = false;
} selection;
struct TextOperation {
int caret_column = 0;
int scroll_offset = 0;
int cached_width = 0;
String text;
};
List<TextOperation> undo_stack;
List<TextOperation>::Element *undo_stack_pos = nullptr;
struct ClearButtonStatus {
bool press_attempt = false;
bool pressing_inside = false;
} clear_button_status;
uint64_t last_dblclk = 0;
Vector2 last_dblclk_pos;
bool caret_blink_enabled = false;
bool caret_force_displayed = false;
bool draw_caret = true;
Timer *caret_blink_timer = nullptr;
bool _is_over_clear_button(const Point2 &p_pos) const;
void _clear_undo_stack();
void _clear_redo();
void _create_undo_state();
Key _get_menu_action_accelerator(const String &p_action);
void _shape();
void _fit_to_width();
void _text_changed();
void _emit_text_change();
void shift_selection_check_pre(bool);
void shift_selection_check_post(bool);
void selection_fill_at_caret();
void set_scroll_offset(int p_pos);
int get_scroll_offset() const;
void set_caret_at_pixel_pos(int p_x);
Vector2i get_caret_pixel_pos();
void _reset_caret_blink_timer();
void _toggle_draw_caret();
void clear_internal();
void _editor_settings_changed();
void _swap_current_input_direction();
void _move_caret_left(bool p_select, bool p_move_by_word = false);
void _move_caret_right(bool p_select, bool p_move_by_word = false);
void _move_caret_start(bool p_select);
void _move_caret_end(bool p_select);
void _backspace(bool p_word = false, bool p_all_to_left = false);
void _delete(bool p_word = false, bool p_all_to_right = false);
void _ensure_menu();
protected:
void _notification(int p_what);
static void _bind_methods();
virtual void gui_input(const Ref<InputEvent> &p_event) override;
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;
void _validate_property(PropertyInfo &property) const override;
public:
void set_align(Align p_align);
Align get_align() const;
virtual Variant get_drag_data(const Point2 &p_point) override;
virtual bool can_drop_data(const Point2 &p_point, const Variant &p_data) const override;
virtual void drop_data(const Point2 &p_point, const Variant &p_data) override;
virtual CursorShape get_cursor_shape(const Point2 &p_pos) const override;
void menu_option(int p_option);
void set_context_menu_enabled(bool p_enable);
bool is_context_menu_enabled();
PopupMenu *get_menu() const;
bool is_menu_visible() const;
void select(int p_from = 0, int p_to = -1);
void select_all();
void selection_delete();
void deselect();
bool has_selection() const;
int get_selection_from_column() const;
int get_selection_to_column() const;
void delete_char();
void delete_text(int p_from_column, int p_to_column);
void set_text(String p_text);
String get_text() const;
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_placeholder(String p_text);
String get_placeholder() const;
void set_placeholder_alpha(float p_alpha);
float get_placeholder_alpha() const;
void set_caret_column(int p_column);
int get_caret_column() const;
void set_max_length(int p_max_length);
int get_max_length() const;
void insert_text_at_caret(String p_text);
void clear();
void set_caret_mid_grapheme_enabled(const bool p_enabled);
bool is_caret_mid_grapheme_enabled() const;
bool is_caret_blink_enabled() const;
void set_caret_blink_enabled(const bool p_enabled);
float get_caret_blink_speed() const;
void set_caret_blink_speed(const float p_speed);
void set_caret_force_displayed(const bool p_enabled);
bool is_caret_force_displayed() const;
void copy_text();
void cut_text();
void paste_text();
bool has_undo() const;
bool has_redo() const;
void undo();
void redo();
void set_editable(bool p_editable);
bool is_editable() const;
void set_secret(bool p_secret);
bool is_secret() const;
void set_secret_character(const String &p_string);
String get_secret_character() const;
virtual Size2 get_minimum_size() const override;
void set_expand_to_text_length_enabled(bool p_enabled);
bool is_expand_to_text_length_enabled() const;
void set_clear_button_enabled(bool p_enabled);
bool is_clear_button_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;
void set_middle_mouse_paste_enabled(bool p_enabled);
bool is_middle_mouse_paste_enabled() const;
void set_selecting_enabled(bool p_enabled);
bool is_selecting_enabled() const;
void set_deselect_on_focus_loss_enabled(const bool p_enabled);
bool is_deselect_on_focus_loss_enabled() const;
void set_right_icon(const Ref<Texture2D> &p_icon);
Ref<Texture2D> get_right_icon();
void set_flat(bool p_enabled);
bool is_flat() const;
virtual bool is_text_field() const override;
void show_virtual_keyboard();
LineEdit();
~LineEdit();
};
VARIANT_ENUM_CAST(LineEdit::Align);
VARIANT_ENUM_CAST(LineEdit::MenuItems);
#endif