387 lines
11 KiB
C++
387 lines
11 KiB
C++
/*************************************************************************/
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/* line_edit.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef LINE_EDIT_H
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#define LINE_EDIT_H
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#include "scene/gui/control.h"
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#include "scene/gui/popup_menu.h"
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class LineEdit : public Control {
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GDCLASS(LineEdit, Control);
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public:
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enum MenuItems {
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MENU_CUT,
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MENU_COPY,
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MENU_PASTE,
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MENU_CLEAR,
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MENU_SELECT_ALL,
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MENU_UNDO,
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MENU_REDO,
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MENU_DIR_INHERITED,
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MENU_DIR_AUTO,
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MENU_DIR_LTR,
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MENU_DIR_RTL,
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MENU_DISPLAY_UCC,
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MENU_INSERT_LRM,
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MENU_INSERT_RLM,
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MENU_INSERT_LRE,
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MENU_INSERT_RLE,
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MENU_INSERT_LRO,
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MENU_INSERT_RLO,
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MENU_INSERT_PDF,
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MENU_INSERT_ALM,
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MENU_INSERT_LRI,
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MENU_INSERT_RLI,
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MENU_INSERT_FSI,
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MENU_INSERT_PDI,
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MENU_INSERT_ZWJ,
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MENU_INSERT_ZWNJ,
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MENU_INSERT_WJ,
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MENU_INSERT_SHY,
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MENU_MAX
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};
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enum VirtualKeyboardType {
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KEYBOARD_TYPE_DEFAULT,
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KEYBOARD_TYPE_MULTILINE,
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KEYBOARD_TYPE_NUMBER,
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KEYBOARD_TYPE_NUMBER_DECIMAL,
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KEYBOARD_TYPE_PHONE,
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KEYBOARD_TYPE_EMAIL_ADDRESS,
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KEYBOARD_TYPE_PASSWORD,
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KEYBOARD_TYPE_URL
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};
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private:
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HorizontalAlignment alignment = HORIZONTAL_ALIGNMENT_LEFT;
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bool editable = false;
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bool pass = false;
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bool text_changed_dirty = false;
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bool alt_start = false;
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uint32_t alt_code = 0;
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String undo_text;
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String text;
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String placeholder;
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String placeholder_translated;
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String secret_character = U"•";
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String ime_text;
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Point2 ime_selection;
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RID text_rid;
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float full_width = 0.0;
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bool selecting_enabled = true;
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bool deselect_on_focus_loss_enabled = true;
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bool context_menu_enabled = true;
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PopupMenu *menu = nullptr;
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PopupMenu *menu_dir = nullptr;
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PopupMenu *menu_ctl = nullptr;
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bool caret_mid_grapheme_enabled = true;
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int caret_column = 0;
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float scroll_offset = 0.0;
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int max_length = 0; // 0 for no maximum.
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String language;
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TextDirection text_direction = TEXT_DIRECTION_AUTO;
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TextDirection input_direction = TEXT_DIRECTION_LTR;
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TextServer::StructuredTextParser st_parser = TextServer::STRUCTURED_TEXT_DEFAULT;
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Array st_args;
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bool draw_control_chars = false;
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bool expand_to_text_length = false;
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bool window_has_focus = true;
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bool clear_button_enabled = false;
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bool shortcut_keys_enabled = true;
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bool virtual_keyboard_enabled = true;
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VirtualKeyboardType virtual_keyboard_type = KEYBOARD_TYPE_DEFAULT;
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bool middle_mouse_paste_enabled = true;
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bool drag_action = false;
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bool drag_caret_force_displayed = false;
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Ref<Texture2D> right_icon;
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bool flat = false;
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struct Selection {
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int begin = 0;
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int end = 0;
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int start_column = 0;
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bool enabled = false;
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bool creating = false;
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bool double_click = false;
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bool drag_attempt = false;
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} selection;
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struct TextOperation {
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int caret_column = 0;
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float scroll_offset = 0.0;
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String text;
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};
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List<TextOperation> undo_stack;
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List<TextOperation>::Element *undo_stack_pos = nullptr;
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struct ClearButtonStatus {
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bool press_attempt = false;
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bool pressing_inside = false;
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} clear_button_status;
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uint64_t last_dblclk = 0;
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Vector2 last_dblclk_pos;
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bool caret_blink_enabled = false;
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bool caret_force_displayed = false;
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bool draw_caret = true;
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float caret_blink_interval = 0.65;
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double caret_blink_timer = 0.0;
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bool caret_can_draw = false;
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bool pending_select_all_on_focus = false;
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bool select_all_on_focus = false;
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struct ThemeCache {
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Ref<StyleBox> normal;
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Ref<StyleBox> read_only;
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Ref<StyleBox> focus;
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Ref<Font> font;
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int font_size = 0;
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Color font_color;
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Color font_uneditable_color;
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Color font_selected_color;
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int font_outline_size;
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Color font_outline_color;
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Color font_placeholder_color;
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int caret_width = 0;
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Color caret_color;
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int minimum_character_width = 0;
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Color selection_color;
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Ref<Texture2D> clear_icon;
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Color clear_button_color;
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Color clear_button_color_pressed;
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float base_scale = 1.0;
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} theme_cache;
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void _clear_undo_stack();
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void _clear_redo();
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void _create_undo_state();
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Key _get_menu_action_accelerator(const String &p_action);
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void _shape();
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void _fit_to_width();
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void _text_changed();
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void _emit_text_change();
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void shift_selection_check_pre(bool);
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void shift_selection_check_post(bool);
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void selection_fill_at_caret();
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void set_scroll_offset(float p_pos);
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float get_scroll_offset() const;
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void set_caret_at_pixel_pos(int p_x);
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Vector2 get_caret_pixel_pos();
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void _reset_caret_blink_timer();
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void _toggle_draw_caret();
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void _validate_caret_can_draw();
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void clear_internal();
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void _editor_settings_changed();
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void _swap_current_input_direction();
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void _move_caret_left(bool p_select, bool p_move_by_word = false);
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void _move_caret_right(bool p_select, bool p_move_by_word = false);
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void _move_caret_start(bool p_select);
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void _move_caret_end(bool p_select);
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void _backspace(bool p_word = false, bool p_all_to_left = false);
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void _delete(bool p_word = false, bool p_all_to_right = false);
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void _ensure_menu();
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protected:
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bool _is_over_clear_button(const Point2 &p_pos) const;
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virtual void _update_theme_item_cache() override;
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void _notification(int p_what);
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static void _bind_methods();
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virtual void unhandled_key_input(const Ref<InputEvent> &p_event) override;
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virtual void gui_input(const Ref<InputEvent> &p_event) override;
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void _validate_property(PropertyInfo &p_property) const;
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public:
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void set_horizontal_alignment(HorizontalAlignment p_alignment);
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HorizontalAlignment get_horizontal_alignment() const;
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virtual Variant get_drag_data(const Point2 &p_point) override;
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virtual bool can_drop_data(const Point2 &p_point, const Variant &p_data) const override;
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virtual void drop_data(const Point2 &p_point, const Variant &p_data) override;
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virtual CursorShape get_cursor_shape(const Point2 &p_pos) const override;
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void menu_option(int p_option);
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void set_context_menu_enabled(bool p_enable);
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bool is_context_menu_enabled();
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PopupMenu *get_menu() const;
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bool is_menu_visible() const;
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void select(int p_from = 0, int p_to = -1);
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void select_all();
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void selection_delete();
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void deselect();
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bool has_selection() const;
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int get_selection_from_column() const;
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int get_selection_to_column() const;
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void delete_char();
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void delete_text(int p_from_column, int p_to_column);
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void set_text(String p_text);
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String get_text() const;
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void set_text_direction(TextDirection p_text_direction);
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TextDirection get_text_direction() const;
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void set_language(const String &p_language);
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String get_language() const;
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void set_draw_control_chars(bool p_draw_control_chars);
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bool get_draw_control_chars() const;
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void set_structured_text_bidi_override(TextServer::StructuredTextParser p_parser);
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TextServer::StructuredTextParser get_structured_text_bidi_override() const;
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void set_structured_text_bidi_override_options(Array p_args);
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Array get_structured_text_bidi_override_options() const;
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void set_placeholder(String p_text);
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String get_placeholder() const;
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void set_caret_column(int p_column);
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int get_caret_column() const;
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void set_max_length(int p_max_length);
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int get_max_length() const;
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void insert_text_at_caret(String p_text);
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void clear();
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void set_caret_mid_grapheme_enabled(const bool p_enabled);
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bool is_caret_mid_grapheme_enabled() const;
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bool is_caret_blink_enabled() const;
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void set_caret_blink_enabled(const bool p_enabled);
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float get_caret_blink_interval() const;
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void set_caret_blink_interval(const float p_interval);
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void set_caret_force_displayed(const bool p_enabled);
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bool is_caret_force_displayed() const;
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void copy_text();
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void cut_text();
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void paste_text();
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bool has_undo() const;
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bool has_redo() const;
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void undo();
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void redo();
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void set_editable(bool p_editable);
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bool is_editable() const;
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void set_secret(bool p_secret);
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bool is_secret() const;
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void set_secret_character(const String &p_string);
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String get_secret_character() const;
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virtual Size2 get_minimum_size() const override;
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void set_expand_to_text_length_enabled(bool p_enabled);
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bool is_expand_to_text_length_enabled() const;
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void set_clear_button_enabled(bool p_enabled);
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bool is_clear_button_enabled() const;
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void set_shortcut_keys_enabled(bool p_enabled);
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bool is_shortcut_keys_enabled() const;
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void set_virtual_keyboard_enabled(bool p_enable);
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bool is_virtual_keyboard_enabled() const;
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void set_virtual_keyboard_type(VirtualKeyboardType p_type);
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VirtualKeyboardType get_virtual_keyboard_type() const;
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void set_middle_mouse_paste_enabled(bool p_enabled);
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bool is_middle_mouse_paste_enabled() const;
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void set_selecting_enabled(bool p_enabled);
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bool is_selecting_enabled() const;
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void set_deselect_on_focus_loss_enabled(const bool p_enabled);
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bool is_deselect_on_focus_loss_enabled() const;
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void set_right_icon(const Ref<Texture2D> &p_icon);
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Ref<Texture2D> get_right_icon();
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void set_flat(bool p_enabled);
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bool is_flat() const;
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void set_select_all_on_focus(bool p_enabled);
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bool is_select_all_on_focus() const;
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void clear_pending_select_all_on_focus(); // For other controls, e.g. SpinBox.
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virtual bool is_text_field() const override;
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void show_virtual_keyboard();
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LineEdit(const String &p_placeholder = String());
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~LineEdit();
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};
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VARIANT_ENUM_CAST(LineEdit::MenuItems);
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VARIANT_ENUM_CAST(LineEdit::VirtualKeyboardType);
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#endif // LINE_EDIT_H
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