255 lines
6.7 KiB
C++
255 lines
6.7 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) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 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 Align {
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ALIGN_LEFT,
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ALIGN_CENTER,
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ALIGN_RIGHT,
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ALIGN_FILL
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};
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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_MAX
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};
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private:
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Align align;
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bool editable;
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bool pass;
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bool text_changed_dirty;
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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;
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float placeholder_alpha;
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String ime_text;
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Point2 ime_selection;
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bool selecting_enabled;
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bool context_menu_enabled;
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PopupMenu *menu;
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int cursor_pos;
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int scroll_offset;
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int max_length; // 0 for no maximum.
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int cached_width;
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int cached_placeholder_width;
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bool clear_button_enabled;
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bool shortcut_keys_enabled;
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bool virtual_keyboard_enabled = true;
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Ref<Texture> right_icon;
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struct Selection {
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int begin;
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int end;
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int cursor_start;
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bool enabled;
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bool creating;
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bool doubleclick;
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bool drag_attempt;
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uint64_t last_dblclk = 0;
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} selection;
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struct TextOperation {
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int cursor_pos;
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int scroll_offset;
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int cached_width;
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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;
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struct ClearButtonStatus {
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bool press_attempt;
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bool pressing_inside;
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} clear_button_status;
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bool _is_over_clear_button(const Point2 &p_pos) const;
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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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void _generate_context_menu();
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Timer *caret_blink_timer;
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void _text_changed();
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void _emit_text_change();
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bool expand_to_text_length;
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void update_cached_width();
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void update_placeholder_width();
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bool caret_blink_enabled;
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bool draw_caret;
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bool window_has_focus;
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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_cursor();
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void set_scroll_offset(int p_pos);
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int get_scroll_offset() const;
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void set_cursor_at_pixel_pos(int p_x);
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int get_cursor_pixel_pos();
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void _reset_caret_blink_timer();
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void _toggle_draw_caret();
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void clear_internal();
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void changed_internal();
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void _editor_settings_changed();
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void _gui_input(Ref<InputEvent> p_event);
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void _notification(int p_what);
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protected:
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static void _bind_methods();
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public:
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void set_align(Align p_align);
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Align get_align() const;
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virtual Variant get_drag_data(const Point2 &p_point);
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virtual bool can_drop_data(const Point2 &p_point, const Variant &p_data) const;
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virtual void drop_data(const Point2 &p_point, const Variant &p_data);
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virtual CursorShape get_cursor_shape(const Point2 &p_pos) const;
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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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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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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_placeholder(String p_text);
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String get_placeholder() const;
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void set_placeholder_alpha(float p_alpha);
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float get_placeholder_alpha() const;
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void set_cursor_position(int p_pos);
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int get_cursor_position() 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 append_at_cursor(String p_text);
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void clear();
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bool cursor_get_blink_enabled() const;
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void cursor_set_blink_enabled(const bool p_enabled);
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float cursor_get_blink_speed() const;
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void cursor_set_blink_speed(const float p_speed);
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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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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;
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void set_expand_to_text_length(bool p_enabled);
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bool get_expand_to_text_length() 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_selecting_enabled(bool p_enabled);
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bool is_selecting_enabled() const;
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void set_right_icon(const Ref<Texture> &p_icon);
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Ref<Texture> get_right_icon();
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virtual bool is_text_field() const;
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void show_virtual_keyboard();
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LineEdit();
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~LineEdit();
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};
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VARIANT_ENUM_CAST(LineEdit::Align);
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VARIANT_ENUM_CAST(LineEdit::MenuItems);
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#endif
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