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virtualx-engine/scene/gui/line_edit.cpp

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/**************************************************************************/
/* line_edit.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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. */
/**************************************************************************/
#include "line_edit.h"
#include "core/input/input_map.h"
#include "core/object/message_queue.h"
#include "core/os/keyboard.h"
#include "core/os/os.h"
#include "core/string/print_string.h"
#include "core/string/translation.h"
#include "label.h"
#include "servers/display_server.h"
#include "servers/text_server.h"
#ifdef TOOLS_ENABLED
#include "editor/editor_settings.h"
#endif
#include "scene/main/window.h"
void LineEdit::_swap_current_input_direction() {
if (input_direction == TEXT_DIRECTION_LTR) {
input_direction = TEXT_DIRECTION_RTL;
} else {
input_direction = TEXT_DIRECTION_LTR;
}
set_caret_column(get_caret_column());
queue_redraw();
}
void LineEdit::_move_caret_left(bool p_select, bool p_move_by_word) {
if (selection.enabled && !p_select) {
set_caret_column(selection.begin);
deselect();
return;
}
shift_selection_check_pre(p_select);
if (p_move_by_word) {
int cc = caret_column;
PackedInt32Array words = TS->shaped_text_get_word_breaks(text_rid);
for (int i = words.size() - 2; i >= 0; i = i - 2) {
if (words[i] < cc) {
cc = words[i];
break;
}
}
set_caret_column(cc);
} else {
if (caret_mid_grapheme_enabled) {
set_caret_column(get_caret_column() - 1);
} else {
set_caret_column(TS->shaped_text_prev_grapheme_pos(text_rid, get_caret_column()));
}
}
shift_selection_check_post(p_select);
_reset_caret_blink_timer();
}
void LineEdit::_move_caret_right(bool p_select, bool p_move_by_word) {
if (selection.enabled && !p_select) {
set_caret_column(selection.end);
deselect();
return;
}
shift_selection_check_pre(p_select);
if (p_move_by_word) {
int cc = caret_column;
PackedInt32Array words = TS->shaped_text_get_word_breaks(text_rid);
for (int i = 1; i < words.size(); i = i + 2) {
if (words[i] > cc) {
cc = words[i];
break;
}
}
set_caret_column(cc);
} else {
if (caret_mid_grapheme_enabled) {
set_caret_column(get_caret_column() + 1);
} else {
set_caret_column(TS->shaped_text_next_grapheme_pos(text_rid, get_caret_column()));
}
}
shift_selection_check_post(p_select);
_reset_caret_blink_timer();
}
void LineEdit::_move_caret_start(bool p_select) {
shift_selection_check_pre(p_select);
set_caret_column(0);
shift_selection_check_post(p_select);
}
void LineEdit::_move_caret_end(bool p_select) {
shift_selection_check_pre(p_select);
set_caret_column(text.length());
shift_selection_check_post(p_select);
}
void LineEdit::_backspace(bool p_word, bool p_all_to_left) {
if (!editable) {
return;
}
if (p_all_to_left) {
deselect();
text = text.substr(0, caret_column);
_text_changed();
return;
}
if (selection.enabled) {
selection_delete();
return;
}
if (p_word) {
int cc = caret_column;
PackedInt32Array words = TS->shaped_text_get_word_breaks(text_rid);
for (int i = words.size() - 2; i >= 0; i = i - 2) {
if (words[i] < cc) {
cc = words[i];
break;
}
}
delete_text(cc, caret_column);
set_caret_column(cc);
} else {
delete_char();
}
}
void LineEdit::_delete(bool p_word, bool p_all_to_right) {
if (!editable) {
return;
}
if (p_all_to_right) {
deselect();
text = text.substr(caret_column, text.length() - caret_column);
_shape();
set_caret_column(0);
_text_changed();
return;
}
if (selection.enabled) {
selection_delete();
return;
}
int text_len = text.length();
if (caret_column == text_len) {
return; // Nothing to do.
}
if (p_word) {
int cc = caret_column;
PackedInt32Array words = TS->shaped_text_get_word_breaks(text_rid);
for (int i = 1; i < words.size(); i = i + 2) {
if (words[i] > cc) {
cc = words[i];
break;
}
}
delete_text(caret_column, cc);
set_caret_column(caret_column);
} else {
if (caret_mid_grapheme_enabled) {
set_caret_column(caret_column + 1);
delete_char();
} else {
int cc = caret_column;
set_caret_column(TS->shaped_text_next_grapheme_pos(text_rid, caret_column));
delete_text(cc, caret_column);
}
}
}
void LineEdit::unhandled_key_input(const Ref<InputEvent> &p_event) {
Ref<InputEventKey> k = p_event;
if (k.is_valid()) {
if (!k->is_pressed()) {
return;
}
// Handle Unicode (with modifiers active, process after shortcuts).
if (has_focus() && editable && (k->get_unicode() >= 32)) {
selection_delete();
char32_t ucodestr[2] = { (char32_t)k->get_unicode(), 0 };
int prev_len = text.length();
insert_text_at_caret(ucodestr);
if (text.length() != prev_len) {
_text_changed();
}
accept_event();
}
}
}
void LineEdit::gui_input(const Ref<InputEvent> &p_event) {
ERR_FAIL_COND(p_event.is_null());
Ref<InputEventMouseButton> b = p_event;
if (b.is_valid()) {
if (ime_text.length() != 0) {
// Ignore mouse clicks in IME input mode.
return;
}
if (b->is_pressed() && b->get_button_index() == MouseButton::RIGHT && context_menu_enabled) {
_update_context_menu();
menu->set_position(get_screen_position() + get_local_mouse_position());
menu->reset_size();
menu->popup();
grab_focus();
accept_event();
return;
}
if (is_middle_mouse_paste_enabled() && b->is_pressed() && b->get_button_index() == MouseButton::MIDDLE && is_editable() && DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_CLIPBOARD_PRIMARY)) {
String paste_buffer = DisplayServer::get_singleton()->clipboard_get_primary().strip_escapes();
deselect();
set_caret_at_pixel_pos(b->get_position().x);
if (!paste_buffer.is_empty()) {
insert_text_at_caret(paste_buffer);
if (!text_changed_dirty) {
if (is_inside_tree()) {
MessageQueue::get_singleton()->push_call(this, "_text_changed");
}
text_changed_dirty = true;
}
}
grab_focus();
accept_event();
return;
}
if (b->get_button_index() != MouseButton::LEFT) {
return;
}
_reset_caret_blink_timer();
if (b->is_pressed()) {
accept_event(); // don't pass event further when clicked on text field
if (!text.is_empty() && is_editable() && _is_over_clear_button(b->get_position())) {
clear_button_status.press_attempt = true;
clear_button_status.pressing_inside = true;
queue_redraw();
return;
}
if (b->is_shift_pressed()) {
shift_selection_check_pre(true);
}
set_caret_at_pixel_pos(b->get_position().x);
if (b->is_shift_pressed()) {
selection_fill_at_caret();
selection.creating = true;
} else {
if (selecting_enabled) {
const int triple_click_timeout = 600;
const int triple_click_tolerance = 5;
const bool is_triple_click = !b->is_double_click() && (OS::get_singleton()->get_ticks_msec() - last_dblclk) < triple_click_timeout && b->get_position().distance_to(last_dblclk_pos) < triple_click_tolerance;
if (is_triple_click && text.length()) {
// Triple-click select all.
selection.enabled = true;
selection.begin = 0;
selection.end = text.length();
selection.double_click = true;
last_dblclk = 0;
set_caret_column(selection.begin);
if (!pass && DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_CLIPBOARD_PRIMARY)) {
DisplayServer::get_singleton()->clipboard_set_primary(text);
}
} else if (b->is_double_click()) {
// Double-click select word.
last_dblclk = OS::get_singleton()->get_ticks_msec();
last_dblclk_pos = b->get_position();
PackedInt32Array words = TS->shaped_text_get_word_breaks(text_rid);
for (int i = 0; i < words.size(); i = i + 2) {
if ((words[i] < caret_column && words[i + 1] > caret_column) || (i == words.size() - 2 && caret_column == words[i + 1])) {
selection.enabled = true;
selection.begin = words[i];
selection.end = words[i + 1];
selection.double_click = true;
set_caret_column(selection.end);
break;
}
}
if (!pass && DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_CLIPBOARD_PRIMARY)) {
DisplayServer::get_singleton()->clipboard_set_primary(get_selected_text());
}
}
}
selection.drag_attempt = false;
if ((caret_column < selection.begin) || (caret_column > selection.end) || !selection.enabled) {
deselect();
selection.start_column = caret_column;
selection.creating = true;
} else if (selection.enabled && !selection.double_click) {
selection.drag_attempt = true;
}
}
queue_redraw();
} else {
if (selection.enabled && !pass && b->get_button_index() == MouseButton::LEFT && DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_CLIPBOARD_PRIMARY)) {
DisplayServer::get_singleton()->clipboard_set_primary(get_selected_text());
}
if (!text.is_empty() && is_editable() && clear_button_enabled) {
bool press_attempt = clear_button_status.press_attempt;
clear_button_status.press_attempt = false;
if (press_attempt && clear_button_status.pressing_inside && _is_over_clear_button(b->get_position())) {
clear();
return;
}
}
if ((!selection.creating) && (!selection.double_click)) {
deselect();
}
selection.creating = false;
selection.double_click = false;
if (!drag_action) {
selection.drag_attempt = false;
}
if (pending_select_all_on_focus) {
select_all();
pending_select_all_on_focus = false;
}
show_virtual_keyboard();
}
queue_redraw();
return;
}
Ref<InputEventMouseMotion> m = p_event;
if (m.is_valid()) {
if (!text.is_empty() && is_editable() && clear_button_enabled) {
bool last_press_inside = clear_button_status.pressing_inside;
clear_button_status.pressing_inside = clear_button_status.press_attempt && _is_over_clear_button(m->get_position());
if (last_press_inside != clear_button_status.pressing_inside) {
queue_redraw();
}
}
if (m->get_button_mask().has_flag(MouseButtonMask::LEFT)) {
if (selection.creating) {
set_caret_at_pixel_pos(m->get_position().x);
selection_fill_at_caret();
}
}
if (drag_action && can_drop_data(m->get_position(), get_viewport()->gui_get_drag_data())) {
drag_caret_force_displayed = true;
set_caret_at_pixel_pos(m->get_position().x);
}
return;
}
Ref<InputEventKey> k = p_event;
if (k.is_valid()) {
if (!k->is_pressed()) {
if (alt_start && k->get_keycode() == Key::ALT) {
alt_start = false;
if ((alt_code > 0x31 && alt_code < 0xd800) || (alt_code > 0xdfff && alt_code <= 0x10ffff)) {
char32_t ucodestr[2] = { (char32_t)alt_code, 0 };
insert_text_at_caret(ucodestr);
}
accept_event();
return;
}
return;
}
// Alt+ Unicode input:
if (k->is_alt_pressed()) {
if (!alt_start) {
if (k->get_keycode() == Key::KP_ADD) {
alt_start = true;
alt_code = 0;
accept_event();
return;
}
} else {
if (k->get_keycode() >= Key::KEY_0 && k->get_keycode() <= Key::KEY_9) {
alt_code = alt_code << 4;
alt_code += (uint32_t)(k->get_keycode() - Key::KEY_0);
}
if (k->get_keycode() >= Key::KP_0 && k->get_keycode() <= Key::KP_9) {
alt_code = alt_code << 4;
alt_code += (uint32_t)(k->get_keycode() - Key::KP_0);
}
if (k->get_keycode() >= Key::A && k->get_keycode() <= Key::F) {
alt_code = alt_code << 4;
alt_code += (uint32_t)(k->get_keycode() - Key::A) + 10;
}
accept_event();
return;
}
}
if (context_menu_enabled) {
if (k->is_action("ui_menu", true)) {
_update_context_menu();
Point2 pos = Point2(get_caret_pixel_pos().x, (get_size().y + theme_cache.font->get_height(theme_cache.font_size)) / 2);
menu->set_position(get_screen_position() + pos);
menu->reset_size();
menu->popup();
menu->grab_focus();
accept_event();
return;
}
}
// Default is ENTER and KP_ENTER. Cannot use ui_accept as default includes SPACE
if (k->is_action("ui_text_submit", false)) {
emit_signal(SNAME("text_submitted"), text);
if (DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_VIRTUAL_KEYBOARD) && virtual_keyboard_enabled) {
DisplayServer::get_singleton()->virtual_keyboard_hide();
}
accept_event();
return;
}
if (is_shortcut_keys_enabled()) {
if (k->is_action("ui_copy", true)) {
copy_text();
accept_event();
return;
}
if (k->is_action("ui_text_select_all", true)) {
select();
accept_event();
return;
}
// Cut / Paste
if (k->is_action("ui_cut", true)) {
cut_text();
accept_event();
return;
}
if (k->is_action("ui_paste", true)) {
paste_text();
accept_event();
return;
}
// Undo / Redo
if (k->is_action("ui_undo", true)) {
undo();
accept_event();
return;
}
if (k->is_action("ui_redo", true)) {
redo();
accept_event();
return;
}
}
// BACKSPACE
if (k->is_action("ui_text_backspace_all_to_left", true)) {
_backspace(false, true);
accept_event();
return;
}
if (k->is_action("ui_text_backspace_word", true)) {
_backspace(true);
accept_event();
return;
}
if (k->is_action("ui_text_backspace", true)) {
_backspace();
accept_event();
return;
}
// DELETE
if (k->is_action("ui_text_delete_all_to_right", true)) {
_delete(false, true);
accept_event();
return;
}
if (k->is_action("ui_text_delete_word", true)) {
_delete(true);
accept_event();
return;
}
if (k->is_action("ui_text_delete", true)) {
_delete();
accept_event();
return;
}
// Cursor Movement
k = k->duplicate();
bool shift_pressed = k->is_shift_pressed();
// Remove shift or else actions will not match. Use above variable for selection.
k->set_shift_pressed(false);
if (k->is_action("ui_text_caret_word_left", true)) {
_move_caret_left(shift_pressed, true);
accept_event();
return;
}
if (k->is_action("ui_text_caret_left", true)) {
_move_caret_left(shift_pressed);
accept_event();
return;
}
if (k->is_action("ui_text_caret_word_right", true)) {
_move_caret_right(shift_pressed, true);
accept_event();
return;
}
if (k->is_action("ui_text_caret_right", true)) {
_move_caret_right(shift_pressed, false);
accept_event();
return;
}
// Up = Home, Down = End
if (k->is_action("ui_text_caret_up", true) || k->is_action("ui_text_caret_line_start", true) || k->is_action("ui_text_caret_page_up", true)) {
_move_caret_start(shift_pressed);
accept_event();
return;
}
if (k->is_action("ui_text_caret_down", true) || k->is_action("ui_text_caret_line_end", true) || k->is_action("ui_text_caret_page_down", true)) {
_move_caret_end(shift_pressed);
accept_event();
return;
}
// Misc
if (k->is_action("ui_swap_input_direction", true)) {
_swap_current_input_direction();
accept_event();
return;
}
_reset_caret_blink_timer();
// Allow unicode handling if:
// * No Modifiers are pressed (except shift)
bool allow_unicode_handling = !(k->is_command_or_control_pressed() || k->is_ctrl_pressed() || k->is_alt_pressed() || k->is_meta_pressed());
if (allow_unicode_handling && editable && k->get_unicode() >= 32) {
// Handle Unicode (if no modifiers active)
selection_delete();
char32_t ucodestr[2] = { (char32_t)k->get_unicode(), 0 };
int prev_len = text.length();
insert_text_at_caret(ucodestr);
if (text.length() != prev_len) {
_text_changed();
}
accept_event();
return;
}
}
}
void LineEdit::set_horizontal_alignment(HorizontalAlignment p_alignment) {
ERR_FAIL_INDEX((int)p_alignment, 4);
if (alignment == p_alignment) {
return;
}
alignment = p_alignment;
_shape();
queue_redraw();
}
HorizontalAlignment LineEdit::get_horizontal_alignment() const {
return alignment;
}
Variant LineEdit::get_drag_data(const Point2 &p_point) {
Variant ret = Control::get_drag_data(p_point);
if (ret != Variant()) {
return ret;
}
if (selection.drag_attempt && selection.enabled) {
String t = get_selected_text();
Label *l = memnew(Label);
l->set_text(t);
set_drag_preview(l);
return t;
}
return Variant();
}
bool LineEdit::can_drop_data(const Point2 &p_point, const Variant &p_data) const {
bool drop_override = Control::can_drop_data(p_point, p_data); // In case user wants to drop custom data.
if (drop_override) {
return drop_override;
}
return is_editable() && p_data.get_type() == Variant::STRING;
}
void LineEdit::drop_data(const Point2 &p_point, const Variant &p_data) {
Control::drop_data(p_point, p_data);
if (p_data.get_type() == Variant::STRING && is_editable()) {
set_caret_at_pixel_pos(p_point.x);
int caret_column_tmp = caret_column;
bool is_inside_sel = selection.enabled && caret_column >= selection.begin && caret_column <= selection.end;
if (Input::get_singleton()->is_key_pressed(Key::CTRL)) {
is_inside_sel = selection.enabled && caret_column > selection.begin && caret_column < selection.end;
}
if (selection.drag_attempt) {
selection.drag_attempt = false;
if (!is_inside_sel) {
if (!Input::get_singleton()->is_key_pressed(Key::CTRL)) {
if (caret_column_tmp > selection.end) {
caret_column_tmp = caret_column_tmp - (selection.end - selection.begin);
}
selection_delete();
}
set_caret_column(caret_column_tmp);
insert_text_at_caret(p_data);
}
} else if (selection.enabled && caret_column >= selection.begin && caret_column <= selection.end) {
caret_column_tmp = selection.begin;
selection_delete();
set_caret_column(caret_column_tmp);
insert_text_at_caret(p_data);
grab_focus();
} else {
insert_text_at_caret(p_data);
grab_focus();
}
select(caret_column_tmp, caret_column);
if (!text_changed_dirty) {
if (is_inside_tree()) {
MessageQueue::get_singleton()->push_call(this, "_text_changed");
}
text_changed_dirty = true;
}
queue_redraw();
}
}
Control::CursorShape LineEdit::get_cursor_shape(const Point2 &p_pos) const {
if ((!text.is_empty() && is_editable() && _is_over_clear_button(p_pos)) || (!is_editable() && (!is_selecting_enabled() || text.is_empty()))) {
return CURSOR_ARROW;
}
return Control::get_cursor_shape(p_pos);
}
bool LineEdit::_is_over_clear_button(const Point2 &p_pos) const {
if (!clear_button_enabled || !has_point(p_pos)) {
return false;
}
Ref<Texture2D> icon = theme_cache.clear_icon;
int x_ofs = theme_cache.normal->get_margin(SIDE_RIGHT);
return p_pos.x > get_size().width - icon->get_width() - x_ofs;
}
void LineEdit::_update_theme_item_cache() {
Control::_update_theme_item_cache();
theme_cache.normal = get_theme_stylebox(SNAME("normal"));
theme_cache.read_only = get_theme_stylebox(SNAME("read_only"));
theme_cache.focus = get_theme_stylebox(SNAME("focus"));
theme_cache.font = get_theme_font(SNAME("font"));
theme_cache.font_size = get_theme_font_size(SNAME("font_size"));
theme_cache.font_color = get_theme_color(SNAME("font_color"));
theme_cache.font_uneditable_color = get_theme_color(SNAME("font_uneditable_color"));
theme_cache.font_selected_color = get_theme_color(SNAME("font_selected_color"));
theme_cache.font_outline_size = get_theme_constant(SNAME("outline_size"));
theme_cache.font_outline_color = get_theme_color(SNAME("font_outline_color"));
theme_cache.font_placeholder_color = get_theme_color(SNAME("font_placeholder_color"));
theme_cache.caret_width = get_theme_constant(SNAME("caret_width"));
theme_cache.caret_color = get_theme_color(SNAME("caret_color"));
theme_cache.minimum_character_width = get_theme_constant(SNAME("minimum_character_width"));
theme_cache.selection_color = get_theme_color(SNAME("selection_color"));
theme_cache.clear_icon = get_theme_icon(SNAME("clear"));
theme_cache.clear_button_color = get_theme_color(SNAME("clear_button_color"));
theme_cache.clear_button_color_pressed = get_theme_color(SNAME("clear_button_color_pressed"));
theme_cache.base_scale = get_theme_default_base_scale();
}
void LineEdit::_notification(int p_what) {
switch (p_what) {
#ifdef TOOLS_ENABLED
case NOTIFICATION_ENTER_TREE: {
if (Engine::get_singleton()->is_editor_hint() && !get_tree()->is_node_being_edited(this)) {
set_caret_blink_enabled(EDITOR_GET("text_editor/appearance/caret/caret_blink"));
set_caret_blink_interval(EDITOR_GET("text_editor/appearance/caret/caret_blink_interval"));
if (!EditorSettings::get_singleton()->is_connected("settings_changed", callable_mp(this, &LineEdit::_editor_settings_changed))) {
EditorSettings::get_singleton()->connect("settings_changed", callable_mp(this, &LineEdit::_editor_settings_changed));
}
}
} break;
#endif
case NOTIFICATION_RESIZED: {
_fit_to_width();
scroll_offset = 0.0;
set_caret_column(get_caret_column());
} break;
case NOTIFICATION_LAYOUT_DIRECTION_CHANGED:
case NOTIFICATION_THEME_CHANGED: {
_shape();
queue_redraw();
} break;
case NOTIFICATION_TRANSLATION_CHANGED: {
placeholder_translated = atr(placeholder);
_shape();
queue_redraw();
} break;
case NOTIFICATION_WM_WINDOW_FOCUS_IN: {
window_has_focus = true;
_validate_caret_can_draw();
queue_redraw();
} break;
case NOTIFICATION_WM_WINDOW_FOCUS_OUT: {
window_has_focus = false;
_validate_caret_can_draw();
queue_redraw();
} break;
case NOTIFICATION_INTERNAL_PROCESS: {
if (caret_blink_enabled && caret_can_draw) {
caret_blink_timer += get_process_delta_time();
if (caret_blink_timer >= caret_blink_interval) {
caret_blink_timer = 0.0;
_toggle_draw_caret();
}
}
} break;
case NOTIFICATION_DRAW: {
int width, height;
bool rtl = is_layout_rtl();
Size2 size = get_size();
width = size.width;
height = size.height;
RID ci = get_canvas_item();
Ref<StyleBox> style = theme_cache.normal;
if (!is_editable()) {
style = theme_cache.read_only;
}
Ref<Font> font = theme_cache.font;
if (!flat) {
style->draw(ci, Rect2(Point2(), size));
}
if (has_focus()) {
theme_cache.focus->draw(ci, Rect2(Point2(), size));
}
int x_ofs = 0;
bool using_placeholder = text.is_empty() && ime_text.is_empty();
float text_width = TS->shaped_text_get_size(text_rid).x;
float text_height = TS->shaped_text_get_size(text_rid).y;
switch (alignment) {
case HORIZONTAL_ALIGNMENT_FILL:
case HORIZONTAL_ALIGNMENT_LEFT: {
if (rtl) {
x_ofs = MAX(style->get_margin(SIDE_LEFT), int(size.width - Math::ceil(style->get_margin(SIDE_RIGHT) + (text_width))));
} else {
x_ofs = style->get_offset().x;
}
} break;
case HORIZONTAL_ALIGNMENT_CENTER: {
if (!Math::is_zero_approx(scroll_offset)) {
x_ofs = style->get_offset().x;
} else {
x_ofs = MAX(style->get_margin(SIDE_LEFT), int(size.width - (text_width)) / 2);
}
} break;
case HORIZONTAL_ALIGNMENT_RIGHT: {
if (rtl) {
x_ofs = style->get_offset().x;
} else {
x_ofs = MAX(style->get_margin(SIDE_LEFT), int(size.width - Math::ceil(style->get_margin(SIDE_RIGHT) + (text_width))));
}
} break;
}
int ofs_max = width - style->get_margin(SIDE_RIGHT);
int y_area = height - style->get_minimum_size().height;
int y_ofs = style->get_offset().y + (y_area - text_height) / 2;
Color selection_color = theme_cache.selection_color;
Color font_color;
if (is_editable()) {
font_color = theme_cache.font_color;
} else {
font_color = theme_cache.font_uneditable_color;
}
Color font_selected_color = theme_cache.font_selected_color;
Color caret_color = theme_cache.caret_color;
// Draw placeholder color.
if (using_placeholder) {
font_color = theme_cache.font_placeholder_color;
}
bool display_clear_icon = !using_placeholder && is_editable() && clear_button_enabled;
if (right_icon.is_valid() || display_clear_icon) {
Ref<Texture2D> r_icon = display_clear_icon ? theme_cache.clear_icon : right_icon;
Color color_icon(1, 1, 1, !is_editable() ? .5 * .9 : .9);
if (display_clear_icon) {
if (clear_button_status.press_attempt && clear_button_status.pressing_inside) {
color_icon = theme_cache.clear_button_color_pressed;
} else {
color_icon = theme_cache.clear_button_color;
}
}
r_icon->draw(ci, Point2(width - r_icon->get_width() - style->get_margin(SIDE_RIGHT), height / 2 - r_icon->get_height() / 2), color_icon);
if (alignment == HORIZONTAL_ALIGNMENT_CENTER) {
if (Math::is_zero_approx(scroll_offset)) {
x_ofs = MAX(style->get_margin(SIDE_LEFT), int(size.width - text_width - r_icon->get_width() - style->get_margin(SIDE_RIGHT) * 2) / 2);
}
} else {
x_ofs = MAX(style->get_margin(SIDE_LEFT), x_ofs - r_icon->get_width() - style->get_margin(SIDE_RIGHT));
}
ofs_max -= r_icon->get_width();
}
// Draw selections rects.
Vector2 ofs = Point2(x_ofs + scroll_offset, y_ofs);
if (selection.enabled) {
Vector<Vector2> sel = TS->shaped_text_get_selection(text_rid, selection.begin, selection.end);
for (int i = 0; i < sel.size(); i++) {
Rect2 rect = Rect2(sel[i].x + ofs.x, ofs.y, sel[i].y - sel[i].x, text_height);
if (rect.position.x + rect.size.x <= x_ofs || rect.position.x > ofs_max) {
continue;
}
if (rect.position.x < x_ofs) {
rect.size.x -= (x_ofs - rect.position.x);
rect.position.x = x_ofs;
} else if (rect.position.x + rect.size.x > ofs_max) {
rect.size.x = ofs_max - rect.position.x;
}
RenderingServer::get_singleton()->canvas_item_add_rect(ci, rect, selection_color);
}
}
const Glyph *glyphs = TS->shaped_text_get_glyphs(text_rid);
int gl_size = TS->shaped_text_get_glyph_count(text_rid);
// Draw text.
ofs.y += TS->shaped_text_get_ascent(text_rid);
Color font_outline_color = theme_cache.font_outline_color;
int outline_size = theme_cache.font_outline_size;
if (outline_size > 0 && font_outline_color.a > 0) {
Vector2 oofs = ofs;
for (int i = 0; i < gl_size; i++) {
for (int j = 0; j < glyphs[i].repeat; j++) {
if (ceil(oofs.x) >= x_ofs && (oofs.x + glyphs[i].advance) <= ofs_max) {
if (glyphs[i].font_rid != RID()) {
TS->font_draw_glyph_outline(glyphs[i].font_rid, ci, glyphs[i].font_size, outline_size, oofs + Vector2(glyphs[i].x_off, glyphs[i].y_off), glyphs[i].index, font_outline_color);
}
}
oofs.x += glyphs[i].advance;
}
if (oofs.x >= ofs_max) {
break;
}
}
}
for (int i = 0; i < gl_size; i++) {
bool selected = selection.enabled && glyphs[i].start >= selection.begin && glyphs[i].end <= selection.end;
for (int j = 0; j < glyphs[i].repeat; j++) {
if (ceil(ofs.x) >= x_ofs && (ofs.x + glyphs[i].advance) <= ofs_max) {
if (glyphs[i].font_rid != RID()) {
TS->font_draw_glyph(glyphs[i].font_rid, ci, glyphs[i].font_size, ofs + Vector2(glyphs[i].x_off, glyphs[i].y_off), glyphs[i].index, selected ? font_selected_color : font_color);
} else if (((glyphs[i].flags & TextServer::GRAPHEME_IS_VIRTUAL) != TextServer::GRAPHEME_IS_VIRTUAL) && ((glyphs[i].flags & TextServer::GRAPHEME_IS_EMBEDDED_OBJECT) != TextServer::GRAPHEME_IS_EMBEDDED_OBJECT)) {
TS->draw_hex_code_box(ci, glyphs[i].font_size, ofs + Vector2(glyphs[i].x_off, glyphs[i].y_off), glyphs[i].index, selected ? font_selected_color : font_color);
}
}
ofs.x += glyphs[i].advance;
}
if (ofs.x >= ofs_max) {
break;
}
}
// Draw carets.
ofs.x = x_ofs + scroll_offset;
if ((caret_can_draw && draw_caret) || drag_caret_force_displayed) {
// Prevent carets from disappearing at theme scales below 1.0 (if the caret width is 1).
const int caret_width = theme_cache.caret_width * MAX(1, theme_cache.base_scale);
if (ime_text.is_empty() || ime_selection.y == 0) {
// Normal caret.
CaretInfo caret = TS->shaped_text_get_carets(text_rid, ime_text.is_empty() ? caret_column : caret_column + ime_selection.x);
if (using_placeholder || (caret.l_caret == Rect2() && caret.t_caret == Rect2())) {
// No carets, add one at the start.
int h = theme_cache.font->get_height(theme_cache.font_size);
int y = style->get_offset().y + (y_area - h) / 2;
caret.l_dir = (rtl) ? TextServer::DIRECTION_RTL : TextServer::DIRECTION_LTR;
switch (alignment) {
case HORIZONTAL_ALIGNMENT_FILL:
case HORIZONTAL_ALIGNMENT_LEFT: {
if (rtl) {
caret.l_caret = Rect2(Vector2(ofs_max, y), Size2(caret_width, h));
} else {
caret.l_caret = Rect2(Vector2(style->get_offset().x, y), Size2(caret_width, h));
}
} break;
case HORIZONTAL_ALIGNMENT_CENTER: {
caret.l_caret = Rect2(Vector2(size.x / 2, y), Size2(caret_width, h));
} break;
case HORIZONTAL_ALIGNMENT_RIGHT: {
if (rtl) {
caret.l_caret = Rect2(Vector2(style->get_offset().x, y), Size2(caret_width, h));
} else {
caret.l_caret = Rect2(Vector2(ofs_max, y), Size2(caret_width, h));
}
} break;
}
RenderingServer::get_singleton()->canvas_item_add_rect(ci, caret.l_caret, caret_color);
} else {
if (caret.l_caret != Rect2() && caret.l_dir == TextServer::DIRECTION_AUTO) {
// Draw extra marker on top of mid caret.
Rect2 trect = Rect2(caret.l_caret.position.x - 2.5 * caret_width, caret.l_caret.position.y, 6 * caret_width, caret_width);
trect.position += ofs;
RenderingServer::get_singleton()->canvas_item_add_rect(ci, trect, caret_color);
} else if (caret.l_caret != Rect2() && caret.t_caret != Rect2() && caret.l_dir != caret.t_dir) {
// Draw extra direction marker on top of split caret.
float d = (caret.l_dir == TextServer::DIRECTION_LTR) ? 0.5 : -3;
Rect2 trect = Rect2(caret.l_caret.position.x + d * caret_width, caret.l_caret.position.y + caret.l_caret.size.y - caret_width, 3 * caret_width, caret_width);
trect.position += ofs;
RenderingServer::get_singleton()->canvas_item_add_rect(ci, trect, caret_color);
d = (caret.t_dir == TextServer::DIRECTION_LTR) ? 0.5 : -3;
trect = Rect2(caret.t_caret.position.x + d * caret_width, caret.t_caret.position.y, 3 * caret_width, caret_width);
trect.position += ofs;
RenderingServer::get_singleton()->canvas_item_add_rect(ci, trect, caret_color);
}
caret.l_caret.position += ofs;
caret.l_caret.size.x = caret_width;
RenderingServer::get_singleton()->canvas_item_add_rect(ci, caret.l_caret, caret_color);
caret.t_caret.position += ofs;
caret.t_caret.size.x = caret_width;
RenderingServer::get_singleton()->canvas_item_add_rect(ci, caret.t_caret, caret_color);
}
}
if (!ime_text.is_empty()) {
{
// IME intermediate text range.
Vector<Vector2> sel = TS->shaped_text_get_selection(text_rid, caret_column, caret_column + ime_text.length());
for (int i = 0; i < sel.size(); i++) {
Rect2 rect = Rect2(sel[i].x + ofs.x, ofs.y, sel[i].y - sel[i].x, text_height);
if (rect.position.x + rect.size.x <= x_ofs || rect.position.x > ofs_max) {
continue;
}
if (rect.position.x < x_ofs) {
rect.size.x -= (x_ofs - rect.position.x);
rect.position.x = x_ofs;
} else if (rect.position.x + rect.size.x > ofs_max) {
rect.size.x = ofs_max - rect.position.x;
}
rect.size.y = caret_width;
RenderingServer::get_singleton()->canvas_item_add_rect(ci, rect, caret_color);
}
}
{
// IME caret.
if (ime_selection.y > 0) {
Vector<Vector2> sel = TS->shaped_text_get_selection(text_rid, caret_column + ime_selection.x, caret_column + ime_selection.x + ime_selection.y);
for (int i = 0; i < sel.size(); i++) {
Rect2 rect = Rect2(sel[i].x + ofs.x, ofs.y, sel[i].y - sel[i].x, text_height);
if (rect.position.x + rect.size.x <= x_ofs || rect.position.x > ofs_max) {
continue;
}
if (rect.position.x < x_ofs) {
rect.size.x -= (x_ofs - rect.position.x);
rect.position.x = x_ofs;
} else if (rect.position.x + rect.size.x > ofs_max) {
rect.size.x = ofs_max - rect.position.x;
}
rect.size.y = caret_width * 3;
RenderingServer::get_singleton()->canvas_item_add_rect(ci, rect, caret_color);
}
}
}
}
}
if (has_focus()) {
if (get_viewport()->get_window_id() != DisplayServer::INVALID_WINDOW_ID && DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_IME)) {
DisplayServer::get_singleton()->window_set_ime_active(true, get_viewport()->get_window_id());
Point2 pos = Point2(get_caret_pixel_pos().x, (get_size().y + theme_cache.font->get_height(theme_cache.font_size)) / 2) + get_global_position();
if (get_window()->get_embedder()) {
pos += get_viewport()->get_popup_base_transform().get_origin();
}
DisplayServer::get_singleton()->window_set_ime_position(pos, get_viewport()->get_window_id());
}
}
} break;
case NOTIFICATION_FOCUS_ENTER: {
_validate_caret_can_draw();
if (select_all_on_focus) {
if (Input::get_singleton()->is_mouse_button_pressed(MouseButton::LEFT)) {
// Select all when the mouse button is up.
pending_select_all_on_focus = true;
} else {
select_all();
}
}
if (get_viewport()->get_window_id() != DisplayServer::INVALID_WINDOW_ID && DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_IME)) {
DisplayServer::get_singleton()->window_set_ime_active(true, get_viewport()->get_window_id());
Point2 pos = Point2(get_caret_pixel_pos().x, (get_size().y + theme_cache.font->get_height(theme_cache.font_size)) / 2) + get_global_position();
if (get_window()->get_embedder()) {
pos += get_viewport()->get_popup_base_transform().get_origin();
}
DisplayServer::get_singleton()->window_set_ime_position(pos, get_viewport()->get_window_id());
}
show_virtual_keyboard();
} break;
case NOTIFICATION_FOCUS_EXIT: {
_validate_caret_can_draw();
if (get_viewport()->get_window_id() != DisplayServer::INVALID_WINDOW_ID && DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_IME)) {
DisplayServer::get_singleton()->window_set_ime_position(Point2(), get_viewport()->get_window_id());
DisplayServer::get_singleton()->window_set_ime_active(false, get_viewport()->get_window_id());
}
ime_text = "";
ime_selection = Point2();
_shape();
set_caret_column(caret_column); // Update scroll_offset
if (DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_VIRTUAL_KEYBOARD) && virtual_keyboard_enabled) {
DisplayServer::get_singleton()->virtual_keyboard_hide();
}
if (deselect_on_focus_loss_enabled && !selection.drag_attempt) {
deselect();
}
} break;
case MainLoop::NOTIFICATION_OS_IME_UPDATE: {
if (has_focus()) {
ime_text = DisplayServer::get_singleton()->ime_get_text();
ime_selection = DisplayServer::get_singleton()->ime_get_selection();
if (!ime_text.is_empty()) {
selection_delete();
}
_shape();
set_caret_column(caret_column); // Update scroll_offset
queue_redraw();
}
} break;
case NOTIFICATION_DRAG_BEGIN: {
drag_action = true;
} break;
case NOTIFICATION_DRAG_END: {
if (is_drag_successful()) {
if (selection.drag_attempt) {
selection.drag_attempt = false;
if (is_editable() && !Input::get_singleton()->is_key_pressed(Key::CTRL)) {
selection_delete();
} else if (deselect_on_focus_loss_enabled) {
deselect();
}
}
} else {
selection.drag_attempt = false;
}
drag_action = false;
drag_caret_force_displayed = false;
} break;
}
}
void LineEdit::copy_text() {
if (selection.enabled && !pass) {
DisplayServer::get_singleton()->clipboard_set(get_selected_text());
}
}
void LineEdit::cut_text() {
if (editable && selection.enabled && !pass) {
DisplayServer::get_singleton()->clipboard_set(get_selected_text());
selection_delete();
}
}
void LineEdit::paste_text() {
if (!editable) {
return;
}
// Strip escape characters like \n and \t as they can't be displayed on LineEdit.
String paste_buffer = DisplayServer::get_singleton()->clipboard_get().strip_escapes();
if (!paste_buffer.is_empty()) {
int prev_len = text.length();
if (selection.enabled) {
selection_delete();
}
insert_text_at_caret(paste_buffer);
if (!text_changed_dirty) {
if (is_inside_tree() && text.length() != prev_len) {
MessageQueue::get_singleton()->push_call(this, "_text_changed");
}
text_changed_dirty = true;
}
}
}
bool LineEdit::has_undo() const {
if (undo_stack_pos == nullptr) {
return undo_stack.size() > 1;
}
return undo_stack_pos != undo_stack.front();
}
bool LineEdit::has_redo() const {
return undo_stack_pos != nullptr && undo_stack_pos != undo_stack.back();
}
void LineEdit::undo() {
if (!editable) {
return;
}
if (undo_stack_pos == nullptr) {
if (undo_stack.size() <= 1) {
return;
}
undo_stack_pos = undo_stack.back();
} else if (undo_stack_pos == undo_stack.front()) {
return;
}
deselect();
undo_stack_pos = undo_stack_pos->prev();
TextOperation op = undo_stack_pos->get();
text = op.text;
scroll_offset = op.scroll_offset;
set_caret_column(op.caret_column);
_shape();
_emit_text_change();
}
void LineEdit::redo() {
if (!editable) {
return;
}
if (undo_stack_pos == nullptr) {
return;
}
if (undo_stack_pos == undo_stack.back()) {
return;
}
deselect();
undo_stack_pos = undo_stack_pos->next();
TextOperation op = undo_stack_pos->get();
text = op.text;
scroll_offset = op.scroll_offset;
set_caret_column(op.caret_column);
_shape();
_emit_text_change();
}
void LineEdit::shift_selection_check_pre(bool p_shift) {
if (!selection.enabled && p_shift) {
selection.start_column = caret_column;
}
if (!p_shift) {
deselect();
}
}
void LineEdit::shift_selection_check_post(bool p_shift) {
if (p_shift) {
selection_fill_at_caret();
}
}
void LineEdit::set_caret_at_pixel_pos(int p_x) {
Ref<StyleBox> style = theme_cache.normal;
bool rtl = is_layout_rtl();
int x_ofs = 0;
float text_width = TS->shaped_text_get_size(text_rid).x;
switch (alignment) {
case HORIZONTAL_ALIGNMENT_FILL:
case HORIZONTAL_ALIGNMENT_LEFT: {
if (rtl) {
x_ofs = MAX(style->get_margin(SIDE_LEFT), int(get_size().width - style->get_margin(SIDE_RIGHT) - (text_width)));
} else {
x_ofs = style->get_offset().x;
}
} break;
case HORIZONTAL_ALIGNMENT_CENTER: {
if (!Math::is_zero_approx(scroll_offset)) {
x_ofs = style->get_offset().x;
} else {
x_ofs = MAX(style->get_margin(SIDE_LEFT), int(get_size().width - (text_width)) / 2);
}
} break;
case HORIZONTAL_ALIGNMENT_RIGHT: {
if (rtl) {
x_ofs = style->get_offset().x;
} else {
x_ofs = MAX(style->get_margin(SIDE_LEFT), int(get_size().width - style->get_margin(SIDE_RIGHT) - (text_width)));
}
} break;
}
bool using_placeholder = text.is_empty() && ime_text.is_empty();
bool display_clear_icon = !using_placeholder && is_editable() && clear_button_enabled;
if (right_icon.is_valid() || display_clear_icon) {
Ref<Texture2D> r_icon = display_clear_icon ? theme_cache.clear_icon : right_icon;
if (alignment == HORIZONTAL_ALIGNMENT_CENTER) {
if (Math::is_zero_approx(scroll_offset)) {
x_ofs = MAX(style->get_margin(SIDE_LEFT), int(get_size().width - text_width - r_icon->get_width() - style->get_margin(SIDE_RIGHT) * 2) / 2);
}
} else {
x_ofs = MAX(style->get_margin(SIDE_LEFT), x_ofs - r_icon->get_width() - style->get_margin(SIDE_RIGHT));
}
}
int ofs = ceil(TS->shaped_text_hit_test_position(text_rid, p_x - x_ofs - scroll_offset));
set_caret_column(ofs);
}
Vector2 LineEdit::get_caret_pixel_pos() {
Ref<StyleBox> style = theme_cache.normal;
bool rtl = is_layout_rtl();
int x_ofs = 0;
float text_width = TS->shaped_text_get_size(text_rid).x;
switch (alignment) {
case HORIZONTAL_ALIGNMENT_FILL:
case HORIZONTAL_ALIGNMENT_LEFT: {
if (rtl) {
x_ofs = MAX(style->get_margin(SIDE_LEFT), int(get_size().width - style->get_margin(SIDE_RIGHT) - (text_width)));
} else {
x_ofs = style->get_offset().x;
}
} break;
case HORIZONTAL_ALIGNMENT_CENTER: {
if (!Math::is_zero_approx(scroll_offset)) {
x_ofs = style->get_offset().x;
} else {
x_ofs = MAX(style->get_margin(SIDE_LEFT), int(get_size().width - (text_width)) / 2);
}
} break;
case HORIZONTAL_ALIGNMENT_RIGHT: {
if (rtl) {
x_ofs = style->get_offset().x;
} else {
x_ofs = MAX(style->get_margin(SIDE_LEFT), int(get_size().width - style->get_margin(SIDE_RIGHT) - (text_width)));
}
} break;
}
bool using_placeholder = text.is_empty() && ime_text.is_empty();
bool display_clear_icon = !using_placeholder && is_editable() && clear_button_enabled;
if (right_icon.is_valid() || display_clear_icon) {
Ref<Texture2D> r_icon = display_clear_icon ? theme_cache.clear_icon : right_icon;
if (alignment == HORIZONTAL_ALIGNMENT_CENTER) {
if (Math::is_zero_approx(scroll_offset)) {
x_ofs = MAX(style->get_margin(SIDE_LEFT), int(get_size().width - text_width - r_icon->get_width() - style->get_margin(SIDE_RIGHT) * 2) / 2);
}
} else {
x_ofs = MAX(style->get_margin(SIDE_LEFT), x_ofs - r_icon->get_width() - style->get_margin(SIDE_RIGHT));
}
}
Vector2 ret;
CaretInfo caret;
// Get position of the start of caret.
if (ime_text.length() != 0 && ime_selection.x != 0) {
caret = TS->shaped_text_get_carets(text_rid, caret_column + ime_selection.x);
} else {
caret = TS->shaped_text_get_carets(text_rid, caret_column);
}
if ((caret.l_caret != Rect2() && (caret.l_dir == TextServer::DIRECTION_AUTO || caret.l_dir == (TextServer::Direction)input_direction)) || (caret.t_caret == Rect2())) {
ret.x = x_ofs + caret.l_caret.position.x + scroll_offset;
} else {
ret.x = x_ofs + caret.t_caret.position.x + scroll_offset;
}
// Get position of the end of caret.
if (ime_text.length() != 0) {
if (ime_selection.y != 0) {
caret = TS->shaped_text_get_carets(text_rid, caret_column + ime_selection.x + ime_selection.y);
} else {
caret = TS->shaped_text_get_carets(text_rid, caret_column + ime_text.size());
}
if ((caret.l_caret != Rect2() && (caret.l_dir == TextServer::DIRECTION_AUTO || caret.l_dir == (TextServer::Direction)input_direction)) || (caret.t_caret == Rect2())) {
ret.y = x_ofs + caret.l_caret.position.x + scroll_offset;
} else {
ret.y = x_ofs + caret.t_caret.position.x + scroll_offset;
}
} else {
ret.y = ret.x;
}
return ret;
}
void LineEdit::set_caret_mid_grapheme_enabled(const bool p_enabled) {
caret_mid_grapheme_enabled = p_enabled;
}
bool LineEdit::is_caret_mid_grapheme_enabled() const {
return caret_mid_grapheme_enabled;
}
bool LineEdit::is_caret_blink_enabled() const {
return caret_blink_enabled;
}
void LineEdit::set_caret_blink_enabled(const bool p_enabled) {
if (caret_blink_enabled == p_enabled) {
return;
}
caret_blink_enabled = p_enabled;
set_process_internal(p_enabled);
draw_caret = !caret_blink_enabled;
if (caret_blink_enabled) {
caret_blink_timer = 0.0;
}
queue_redraw();
notify_property_list_changed();
}
bool LineEdit::is_caret_force_displayed() const {
return caret_force_displayed;
}
void LineEdit::set_caret_force_displayed(const bool p_enabled) {
if (caret_force_displayed == p_enabled) {
return;
}
caret_force_displayed = p_enabled;
_validate_caret_can_draw();
queue_redraw();
}
float LineEdit::get_caret_blink_interval() const {
return caret_blink_interval;
}
void LineEdit::set_caret_blink_interval(const float p_interval) {
ERR_FAIL_COND(p_interval <= 0);
caret_blink_interval = p_interval;
}
void LineEdit::_reset_caret_blink_timer() {
if (caret_blink_enabled) {
draw_caret = true;
if (caret_can_draw) {
caret_blink_timer = 0.0;
queue_redraw();
}
}
}
void LineEdit::_toggle_draw_caret() {
draw_caret = !draw_caret;
if (is_visible_in_tree() && caret_can_draw) {
queue_redraw();
}
}
void LineEdit::_validate_caret_can_draw() {
if (caret_blink_enabled) {
draw_caret = true;
caret_blink_timer = 0.0;
}
caret_can_draw = editable && (window_has_focus || (menu && menu->has_focus())) && (has_focus() || caret_force_displayed);
}
void LineEdit::delete_char() {
if ((text.length() <= 0) || (caret_column == 0)) {
return;
}
text = text.left(caret_column - 1) + text.substr(caret_column);
_shape();
set_caret_column(get_caret_column() - 1);
_text_changed();
}
void LineEdit::delete_text(int p_from_column, int p_to_column) {
ERR_FAIL_COND_MSG(p_from_column < 0 || p_from_column > p_to_column || p_to_column > text.length(),
vformat("Positional parameters (from: %d, to: %d) are inverted or outside the text length (%d).", p_from_column, p_to_column, text.length()));
text = text.left(p_from_column) + text.substr(p_to_column);
_shape();
caret_column -= CLAMP(caret_column - p_from_column, 0, p_to_column - p_from_column);
if (caret_column >= text.length()) {
caret_column = text.length();
}
if (!text_changed_dirty) {
if (is_inside_tree()) {
MessageQueue::get_singleton()->push_call(this, "_text_changed");
}
text_changed_dirty = true;
}
}
void LineEdit::set_text(String p_text) {
clear_internal();
insert_text_at_caret(p_text);
_create_undo_state();
queue_redraw();
caret_column = 0;
scroll_offset = 0.0;
}
void LineEdit::set_text_direction(Control::TextDirection p_text_direction) {
ERR_FAIL_COND((int)p_text_direction < -1 || (int)p_text_direction > 3);
if (text_direction != p_text_direction) {
text_direction = p_text_direction;
if (text_direction != TEXT_DIRECTION_AUTO && text_direction != TEXT_DIRECTION_INHERITED) {
input_direction = text_direction;
}
_shape();
if (menu_dir) {
menu_dir->set_item_checked(menu_dir->get_item_index(MENU_DIR_INHERITED), text_direction == TEXT_DIRECTION_INHERITED);
menu_dir->set_item_checked(menu_dir->get_item_index(MENU_DIR_AUTO), text_direction == TEXT_DIRECTION_AUTO);
menu_dir->set_item_checked(menu_dir->get_item_index(MENU_DIR_LTR), text_direction == TEXT_DIRECTION_LTR);
menu_dir->set_item_checked(menu_dir->get_item_index(MENU_DIR_RTL), text_direction == TEXT_DIRECTION_RTL);
}
queue_redraw();
}
}
Control::TextDirection LineEdit::get_text_direction() const {
return text_direction;
}
void LineEdit::set_language(const String &p_language) {
if (language != p_language) {
language = p_language;
_shape();
queue_redraw();
}
}
String LineEdit::get_language() const {
return language;
}
void LineEdit::set_draw_control_chars(bool p_draw_control_chars) {
if (draw_control_chars != p_draw_control_chars) {
draw_control_chars = p_draw_control_chars;
if (menu && menu->get_item_index(MENU_DISPLAY_UCC) >= 0) {
menu->set_item_checked(menu->get_item_index(MENU_DISPLAY_UCC), draw_control_chars);
}
_shape();
queue_redraw();
}
}
bool LineEdit::get_draw_control_chars() const {
return draw_control_chars;
}
void LineEdit::set_structured_text_bidi_override(TextServer::StructuredTextParser p_parser) {
if (st_parser != p_parser) {
st_parser = p_parser;
_shape();
queue_redraw();
}
}
TextServer::StructuredTextParser LineEdit::get_structured_text_bidi_override() const {
return st_parser;
}
void LineEdit::set_structured_text_bidi_override_options(Array p_args) {
st_args = p_args;
_shape();
queue_redraw();
}
Array LineEdit::get_structured_text_bidi_override_options() const {
return st_args;
}
void LineEdit::clear() {
clear_internal();
_text_changed();
// This should reset virtual keyboard state if needed.
if (has_focus()) {
show_virtual_keyboard();
}
}
void LineEdit::show_virtual_keyboard() {
if (DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_VIRTUAL_KEYBOARD) && virtual_keyboard_enabled) {
if (selection.enabled) {
DisplayServer::get_singleton()->virtual_keyboard_show(text, get_global_rect(), DisplayServer::VirtualKeyboardType(virtual_keyboard_type), max_length, selection.begin, selection.end);
} else {
DisplayServer::get_singleton()->virtual_keyboard_show(text, get_global_rect(), DisplayServer::VirtualKeyboardType(virtual_keyboard_type), max_length, caret_column);
}
}
}
String LineEdit::get_text() const {
return text;
}
void LineEdit::set_placeholder(String p_text) {
if (placeholder == p_text) {
return;
}
placeholder = p_text;
placeholder_translated = atr(placeholder);
_shape();
queue_redraw();
}
String LineEdit::get_placeholder() const {
return placeholder;
}
void LineEdit::set_caret_column(int p_column) {
if (p_column > (int)text.length()) {
p_column = text.length();
}
if (p_column < 0) {
p_column = 0;
}
caret_column = p_column;
// Fit to window.
if (!is_inside_tree()) {
scroll_offset = 0.0;
return;
}
Ref<StyleBox> style = theme_cache.normal;
bool rtl = is_layout_rtl();
int x_ofs = 0;
float text_width = TS->shaped_text_get_size(text_rid).x;
switch (alignment) {
case HORIZONTAL_ALIGNMENT_FILL:
case HORIZONTAL_ALIGNMENT_LEFT: {
if (rtl) {
x_ofs = MAX(style->get_margin(SIDE_LEFT), int(get_size().width - style->get_margin(SIDE_RIGHT) - (text_width)));
} else {
x_ofs = style->get_offset().x;
}
} break;
case HORIZONTAL_ALIGNMENT_CENTER: {
if (!Math::is_zero_approx(scroll_offset)) {
x_ofs = style->get_offset().x;
} else {
x_ofs = MAX(style->get_margin(SIDE_LEFT), int(get_size().width - (text_width)) / 2);
}
} break;
case HORIZONTAL_ALIGNMENT_RIGHT: {
if (rtl) {
x_ofs = style->get_offset().x;
} else {
x_ofs = MAX(style->get_margin(SIDE_LEFT), int(get_size().width - style->get_margin(SIDE_RIGHT) - (text_width)));
}
} break;
}
int ofs_max = get_size().width - style->get_margin(SIDE_RIGHT);
bool using_placeholder = text.is_empty() && ime_text.is_empty();
bool display_clear_icon = !using_placeholder && is_editable() && clear_button_enabled;
if (right_icon.is_valid() || display_clear_icon) {
Ref<Texture2D> r_icon = display_clear_icon ? theme_cache.clear_icon : right_icon;
if (alignment == HORIZONTAL_ALIGNMENT_CENTER) {
if (Math::is_zero_approx(scroll_offset)) {
x_ofs = MAX(style->get_margin(SIDE_LEFT), int(get_size().width - text_width - r_icon->get_width() - style->get_margin(SIDE_RIGHT) * 2) / 2);
}
} else {
x_ofs = MAX(style->get_margin(SIDE_LEFT), x_ofs - r_icon->get_width() - style->get_margin(SIDE_RIGHT));
}
ofs_max -= r_icon->get_width();
}
// Note: Use two coordinates to fit IME input range.
Vector2 primary_caret_offset = get_caret_pixel_pos();
if (MIN(primary_caret_offset.x, primary_caret_offset.y) <= x_ofs) {
scroll_offset += x_ofs - MIN(primary_caret_offset.x, primary_caret_offset.y);
} else if (MAX(primary_caret_offset.x, primary_caret_offset.y) >= ofs_max) {
scroll_offset += ofs_max - MAX(primary_caret_offset.x, primary_caret_offset.y);
}
scroll_offset = MIN(0, scroll_offset);
queue_redraw();
}
int LineEdit::get_caret_column() const {
return caret_column;
}
void LineEdit::set_scroll_offset(float p_pos) {
scroll_offset = p_pos;
if (scroll_offset < 0.0) {
scroll_offset = 0.0;
}
}
float LineEdit::get_scroll_offset() const {
return scroll_offset;
}
void LineEdit::insert_text_at_caret(String p_text) {
if (max_length > 0) {
// Truncate text to append to fit in max_length, if needed.
int available_chars = max_length - text.length();
if (p_text.length() > available_chars) {
emit_signal(SNAME("text_change_rejected"), p_text.substr(available_chars));
p_text = p_text.substr(0, available_chars);
}
}
String pre = text.substr(0, caret_column);
String post = text.substr(caret_column, text.length() - caret_column);
text = pre + p_text + post;
_shape();
TextServer::Direction dir = TS->shaped_text_get_dominant_direction_in_range(text_rid, caret_column, caret_column + p_text.length());
if (dir != TextServer::DIRECTION_AUTO) {
input_direction = (TextDirection)dir;
}
set_caret_column(caret_column + p_text.length());
if (!ime_text.is_empty()) {
_shape();
}
}
void LineEdit::clear_internal() {
deselect();
_clear_undo_stack();
caret_column = 0;
scroll_offset = 0.0;
undo_text = "";
text = "";
_shape();
queue_redraw();
}
Size2 LineEdit::get_minimum_size() const {
Ref<StyleBox> style = theme_cache.normal;
Ref<Font> font = theme_cache.font;
int font_size = theme_cache.font_size;
Size2 min_size;
// Minimum size of text.
float em_space_size = font->get_char_size('M', font_size).x;
min_size.width = theme_cache.minimum_character_width * em_space_size;
if (expand_to_text_length) {
// Add a space because some fonts are too exact, and because caret needs a bit more when at the end.
min_size.width = MAX(min_size.width, full_width + em_space_size);
}
min_size.height = MAX(TS->shaped_text_get_size(text_rid).y, font->get_height(font_size));
// Take icons into account.
int icon_max_width = 0;
if (right_icon.is_valid()) {
min_size.height = MAX(min_size.height, right_icon->get_height());
icon_max_width = right_icon->get_width();
}
if (clear_button_enabled) {
min_size.height = MAX(min_size.height, theme_cache.clear_icon->get_height());
icon_max_width = MAX(icon_max_width, theme_cache.clear_icon->get_width());
}
min_size.width += icon_max_width;
return style->get_minimum_size() + min_size;
}
void LineEdit::deselect() {
selection.begin = 0;
selection.end = 0;
selection.start_column = 0;
selection.enabled = false;
selection.creating = false;
selection.double_click = false;
queue_redraw();
}
bool LineEdit::has_selection() const {
return selection.enabled;
}
String LineEdit::get_selected_text() {
if (selection.enabled) {
return text.substr(selection.begin, selection.end - selection.begin);
} else {
return String();
}
}
int LineEdit::get_selection_from_column() const {
ERR_FAIL_COND_V(!selection.enabled, -1);
return selection.begin;
}
int LineEdit::get_selection_to_column() const {
ERR_FAIL_COND_V(!selection.enabled, -1);
return selection.end;
}
void LineEdit::selection_delete() {
if (selection.enabled) {
delete_text(selection.begin, selection.end);
}
deselect();
}
void LineEdit::set_max_length(int p_max_length) {
ERR_FAIL_COND(p_max_length < 0);
max_length = p_max_length;
set_text(text);
}
int LineEdit::get_max_length() const {
return max_length;
}
void LineEdit::selection_fill_at_caret() {
if (!selecting_enabled) {
return;
}
selection.begin = caret_column;
selection.end = selection.start_column;
if (selection.end < selection.begin) {
int aux = selection.end;
selection.end = selection.begin;
selection.begin = aux;
}
selection.enabled = (selection.begin != selection.end);
}
void LineEdit::select_all() {
if (!selecting_enabled) {
return;
}
if (!text.length()) {
return;
}
selection.begin = 0;
selection.end = text.length();
selection.enabled = true;
queue_redraw();
}
void LineEdit::set_editable(bool p_editable) {
if (editable == p_editable) {
return;
}
editable = p_editable;
_validate_caret_can_draw();
update_minimum_size();
queue_redraw();
}
bool LineEdit::is_editable() const {
return editable;
}
void LineEdit::set_secret(bool p_secret) {
if (pass == p_secret) {
return;
}
pass = p_secret;
_shape();
queue_redraw();
}
bool LineEdit::is_secret() const {
return pass;
}
void LineEdit::set_secret_character(const String &p_string) {
// An empty string as the secret character would crash the engine.
// It also wouldn't make sense to use multiple characters as the secret character.
ERR_FAIL_COND_MSG(p_string.length() != 1, "Secret character must be exactly one character long (" + itos(p_string.length()) + " characters given).");
if (secret_character == p_string) {
return;
}
secret_character = p_string;
_shape();
queue_redraw();
}
String LineEdit::get_secret_character() const {
return secret_character;
}
void LineEdit::select(int p_from, int p_to) {
if (!selecting_enabled) {
return;
}
if (p_from == 0 && p_to == 0) {
deselect();
return;
}
int len = text.length();
if (p_from < 0) {
p_from = 0;
}
if (p_from > len) {
p_from = len;
}
if (p_to < 0 || p_to > len) {
p_to = len;
}
if (p_from >= p_to) {
return;
}
selection.enabled = true;
selection.begin = p_from;
selection.end = p_to;
selection.creating = false;
selection.double_click = false;
queue_redraw();
}
bool LineEdit::is_text_field() const {
return true;
}
void LineEdit::menu_option(int p_option) {
switch (p_option) {
case MENU_CUT: {
if (editable) {
cut_text();
}
} break;
case MENU_COPY: {
copy_text();
} break;
case MENU_PASTE: {
if (editable) {
paste_text();
}
} break;
case MENU_CLEAR: {
if (editable) {
clear();
}
} break;
case MENU_SELECT_ALL: {
select_all();
} break;
case MENU_UNDO: {
if (editable) {
undo();
}
} break;
case MENU_REDO: {
if (editable) {
redo();
}
} break;
case MENU_DIR_INHERITED: {
set_text_direction(TEXT_DIRECTION_INHERITED);
} break;
case MENU_DIR_AUTO: {
set_text_direction(TEXT_DIRECTION_AUTO);
} break;
case MENU_DIR_LTR: {
set_text_direction(TEXT_DIRECTION_LTR);
} break;
case MENU_DIR_RTL: {
set_text_direction(TEXT_DIRECTION_RTL);
} break;
case MENU_DISPLAY_UCC: {
set_draw_control_chars(!get_draw_control_chars());
} break;
case MENU_INSERT_LRM: {
if (editable) {
insert_text_at_caret(String::chr(0x200E));
}
} break;
case MENU_INSERT_RLM: {
if (editable) {
insert_text_at_caret(String::chr(0x200F));
}
} break;
case MENU_INSERT_LRE: {
if (editable) {
insert_text_at_caret(String::chr(0x202A));
}
} break;
case MENU_INSERT_RLE: {
if (editable) {
insert_text_at_caret(String::chr(0x202B));
}
} break;
case MENU_INSERT_LRO: {
if (editable) {
insert_text_at_caret(String::chr(0x202D));
}
} break;
case MENU_INSERT_RLO: {
if (editable) {
insert_text_at_caret(String::chr(0x202E));
}
} break;
case MENU_INSERT_PDF: {
if (editable) {
insert_text_at_caret(String::chr(0x202C));
}
} break;
case MENU_INSERT_ALM: {
if (editable) {
insert_text_at_caret(String::chr(0x061C));
}
} break;
case MENU_INSERT_LRI: {
if (editable) {
insert_text_at_caret(String::chr(0x2066));
}
} break;
case MENU_INSERT_RLI: {
if (editable) {
insert_text_at_caret(String::chr(0x2067));
}
} break;
case MENU_INSERT_FSI: {
if (editable) {
insert_text_at_caret(String::chr(0x2068));
}
} break;
case MENU_INSERT_PDI: {
if (editable) {
insert_text_at_caret(String::chr(0x2069));
}
} break;
case MENU_INSERT_ZWJ: {
if (editable) {
insert_text_at_caret(String::chr(0x200D));
}
} break;
case MENU_INSERT_ZWNJ: {
if (editable) {
insert_text_at_caret(String::chr(0x200C));
}
} break;
case MENU_INSERT_WJ: {
if (editable) {
insert_text_at_caret(String::chr(0x2060));
}
} break;
case MENU_INSERT_SHY: {
if (editable) {
insert_text_at_caret(String::chr(0x00AD));
}
}
}
}
void LineEdit::set_context_menu_enabled(bool p_enable) {
context_menu_enabled = p_enable;
}
bool LineEdit::is_context_menu_enabled() {
return context_menu_enabled;
}
bool LineEdit::is_menu_visible() const {
return menu && menu->is_visible();
}
PopupMenu *LineEdit::get_menu() const {
if (!menu) {
const_cast<LineEdit *>(this)->_generate_context_menu();
}
return menu;
}
void LineEdit::_editor_settings_changed() {
#ifdef TOOLS_ENABLED
set_caret_blink_enabled(EDITOR_GET("text_editor/appearance/caret/caret_blink"));
set_caret_blink_interval(EDITOR_GET("text_editor/appearance/caret/caret_blink_interval"));
#endif
}
void LineEdit::set_expand_to_text_length_enabled(bool p_enabled) {
expand_to_text_length = p_enabled;
update_minimum_size();
set_caret_column(caret_column);
}
bool LineEdit::is_expand_to_text_length_enabled() const {
return expand_to_text_length;
}
void LineEdit::set_clear_button_enabled(bool p_enabled) {
if (clear_button_enabled == p_enabled) {
return;
}
clear_button_enabled = p_enabled;
_fit_to_width();
update_minimum_size();
queue_redraw();
}
bool LineEdit::is_clear_button_enabled() const {
return clear_button_enabled;
}
void LineEdit::set_shortcut_keys_enabled(bool p_enabled) {
shortcut_keys_enabled = p_enabled;
}
bool LineEdit::is_shortcut_keys_enabled() const {
return shortcut_keys_enabled;
}
void LineEdit::set_virtual_keyboard_enabled(bool p_enable) {
virtual_keyboard_enabled = p_enable;
}
bool LineEdit::is_virtual_keyboard_enabled() const {
return virtual_keyboard_enabled;
}
void LineEdit::set_virtual_keyboard_type(VirtualKeyboardType p_type) {
virtual_keyboard_type = p_type;
}
LineEdit::VirtualKeyboardType LineEdit::get_virtual_keyboard_type() const {
return virtual_keyboard_type;
}
void LineEdit::set_middle_mouse_paste_enabled(bool p_enabled) {
middle_mouse_paste_enabled = p_enabled;
}
bool LineEdit::is_middle_mouse_paste_enabled() const {
return middle_mouse_paste_enabled;
}
void LineEdit::set_selecting_enabled(bool p_enabled) {
if (selecting_enabled == p_enabled) {
return;
}
selecting_enabled = p_enabled;
if (!selecting_enabled) {
deselect();
}
}
bool LineEdit::is_selecting_enabled() const {
return selecting_enabled;
}
void LineEdit::set_deselect_on_focus_loss_enabled(const bool p_enabled) {
if (deselect_on_focus_loss_enabled == p_enabled) {
return;
}
deselect_on_focus_loss_enabled = p_enabled;
if (p_enabled && selection.enabled && !has_focus()) {
deselect();
}
}
bool LineEdit::is_deselect_on_focus_loss_enabled() const {
return deselect_on_focus_loss_enabled;
}
void LineEdit::set_right_icon(const Ref<Texture2D> &p_icon) {
if (right_icon == p_icon) {
return;
}
right_icon = p_icon;
_fit_to_width();
update_minimum_size();
queue_redraw();
}
Ref<Texture2D> LineEdit::get_right_icon() {
return right_icon;
}
void LineEdit::set_flat(bool p_enabled) {
if (flat != p_enabled) {
flat = p_enabled;
queue_redraw();
}
}
bool LineEdit::is_flat() const {
return flat;
}
void LineEdit::set_select_all_on_focus(bool p_enabled) {
select_all_on_focus = p_enabled;
}
bool LineEdit::is_select_all_on_focus() const {
return select_all_on_focus;
}
void LineEdit::clear_pending_select_all_on_focus() {
pending_select_all_on_focus = false;
}
void LineEdit::_text_changed() {
_emit_text_change();
_clear_redo();
}
void LineEdit::_emit_text_change() {
emit_signal(SNAME("text_changed"), text);
text_changed_dirty = false;
}
void LineEdit::_shape() {
const Ref<Font> &font = theme_cache.font;
int font_size = theme_cache.font_size;
if (font.is_null()) {
return;
}
Size2 old_size = TS->shaped_text_get_size(text_rid);
TS->shaped_text_clear(text_rid);
String t;
if (text.length() == 0 && ime_text.length() == 0) {
t = placeholder_translated;
} else if (pass) {
t = secret_character.repeat(text.length() + ime_text.length());
} else {
if (ime_text.length() > 0) {
t = text.substr(0, caret_column) + ime_text + text.substr(caret_column, text.length());
} else {
t = text;
}
}
if (text_direction == Control::TEXT_DIRECTION_INHERITED) {
TS->shaped_text_set_direction(text_rid, is_layout_rtl() ? TextServer::DIRECTION_RTL : TextServer::DIRECTION_LTR);
} else {
TS->shaped_text_set_direction(text_rid, (TextServer::Direction)text_direction);
}
TS->shaped_text_set_preserve_control(text_rid, draw_control_chars);
TS->shaped_text_add_string(text_rid, t, font->get_rids(), font_size, font->get_opentype_features(), language);
for (int i = 0; i < TextServer::SPACING_MAX; i++) {
TS->shaped_text_set_spacing(text_rid, TextServer::SpacingType(i), font->get_spacing(TextServer::SpacingType(i)));
}
TS->shaped_text_set_bidi_override(text_rid, structured_text_parser(st_parser, st_args, t));
full_width = TS->shaped_text_get_size(text_rid).x;
_fit_to_width();
Size2 size = TS->shaped_text_get_size(text_rid);
if ((expand_to_text_length && old_size.x != size.x) || (old_size.y != size.y)) {
update_minimum_size();
}
}
void LineEdit::_fit_to_width() {
if (alignment == HORIZONTAL_ALIGNMENT_FILL) {
Ref<StyleBox> style = theme_cache.normal;
int t_width = get_size().width - style->get_margin(SIDE_RIGHT) - style->get_margin(SIDE_LEFT);
bool using_placeholder = text.is_empty() && ime_text.is_empty();
bool display_clear_icon = !using_placeholder && is_editable() && clear_button_enabled;
if (right_icon.is_valid() || display_clear_icon) {
Ref<Texture2D> r_icon = display_clear_icon ? theme_cache.clear_icon : right_icon;
t_width -= r_icon->get_width();
}
TS->shaped_text_fit_to_width(text_rid, MAX(t_width, full_width));
}
}
void LineEdit::_clear_redo() {
_create_undo_state();
if (undo_stack_pos == nullptr) {
return;
}
undo_stack_pos = undo_stack_pos->next();
while (undo_stack_pos) {
List<TextOperation>::Element *elem = undo_stack_pos;
undo_stack_pos = undo_stack_pos->next();
undo_stack.erase(elem);
}
_create_undo_state();
}
void LineEdit::_clear_undo_stack() {
undo_stack.clear();
undo_stack_pos = nullptr;
_create_undo_state();
}
void LineEdit::_create_undo_state() {
TextOperation op;
op.text = text;
op.caret_column = caret_column;
op.scroll_offset = scroll_offset;
undo_stack.push_back(op);
}
Key LineEdit::_get_menu_action_accelerator(const String &p_action) {
const List<Ref<InputEvent>> *events = InputMap::get_singleton()->action_get_events(p_action);
if (!events) {
return Key::NONE;
}
// Use first event in the list for the accelerator.
const List<Ref<InputEvent>>::Element *first_event = events->front();
if (!first_event) {
return Key::NONE;
}
const Ref<InputEventKey> event = first_event->get();
if (event.is_null()) {
return Key::NONE;
}
// Use physical keycode if non-zero
if (event->get_physical_keycode() != Key::NONE) {
return event->get_physical_keycode_with_modifiers();
} else {
return event->get_keycode_with_modifiers();
}
}
void LineEdit::_generate_context_menu() {
menu = memnew(PopupMenu);
add_child(menu, false, INTERNAL_MODE_FRONT);
menu_dir = memnew(PopupMenu);
menu_dir->set_name("DirMenu");
menu_dir->add_radio_check_item(RTR("Same as Layout Direction"), MENU_DIR_INHERITED);
menu_dir->add_radio_check_item(RTR("Auto-Detect Direction"), MENU_DIR_AUTO);
menu_dir->add_radio_check_item(RTR("Left-to-Right"), MENU_DIR_LTR);
menu_dir->add_radio_check_item(RTR("Right-to-Left"), MENU_DIR_RTL);
menu->add_child(menu_dir, false, INTERNAL_MODE_FRONT);
menu_ctl = memnew(PopupMenu);
menu_ctl->set_name("CTLMenu");
menu_ctl->add_item(RTR("Left-to-Right Mark (LRM)"), MENU_INSERT_LRM);
menu_ctl->add_item(RTR("Right-to-Left Mark (RLM)"), MENU_INSERT_RLM);
menu_ctl->add_item(RTR("Start of Left-to-Right Embedding (LRE)"), MENU_INSERT_LRE);
menu_ctl->add_item(RTR("Start of Right-to-Left Embedding (RLE)"), MENU_INSERT_RLE);
menu_ctl->add_item(RTR("Start of Left-to-Right Override (LRO)"), MENU_INSERT_LRO);
menu_ctl->add_item(RTR("Start of Right-to-Left Override (RLO)"), MENU_INSERT_RLO);
menu_ctl->add_item(RTR("Pop Direction Formatting (PDF)"), MENU_INSERT_PDF);
menu_ctl->add_separator();
menu_ctl->add_item(RTR("Arabic Letter Mark (ALM)"), MENU_INSERT_ALM);
menu_ctl->add_item(RTR("Left-to-Right Isolate (LRI)"), MENU_INSERT_LRI);
menu_ctl->add_item(RTR("Right-to-Left Isolate (RLI)"), MENU_INSERT_RLI);
menu_ctl->add_item(RTR("First Strong Isolate (FSI)"), MENU_INSERT_FSI);
menu_ctl->add_item(RTR("Pop Direction Isolate (PDI)"), MENU_INSERT_PDI);
menu_ctl->add_separator();
menu_ctl->add_item(RTR("Zero-Width Joiner (ZWJ)"), MENU_INSERT_ZWJ);
menu_ctl->add_item(RTR("Zero-Width Non-Joiner (ZWNJ)"), MENU_INSERT_ZWNJ);
menu_ctl->add_item(RTR("Word Joiner (WJ)"), MENU_INSERT_WJ);
menu_ctl->add_item(RTR("Soft Hyphen (SHY)"), MENU_INSERT_SHY);
menu->add_child(menu_ctl, false, INTERNAL_MODE_FRONT);
menu->add_item(RTR("Cut"), MENU_CUT);
menu->add_item(RTR("Copy"), MENU_COPY);
menu->add_item(RTR("Paste"), MENU_PASTE);
menu->add_separator();
menu->add_item(RTR("Select All"), MENU_SELECT_ALL);
menu->add_item(RTR("Clear"), MENU_CLEAR);
menu->add_separator();
menu->add_item(RTR("Undo"), MENU_UNDO);
menu->add_item(RTR("Redo"), MENU_REDO);
menu->add_separator();
menu->add_submenu_item(RTR("Text Writing Direction"), "DirMenu", MENU_SUBMENU_TEXT_DIR);
menu->add_separator();
menu->add_check_item(RTR("Display Control Characters"), MENU_DISPLAY_UCC);
menu->add_submenu_item(RTR("Insert Control Character"), "CTLMenu", MENU_SUBMENU_INSERT_UCC);
menu->connect("id_pressed", callable_mp(this, &LineEdit::menu_option));
menu_dir->connect("id_pressed", callable_mp(this, &LineEdit::menu_option));
menu_ctl->connect("id_pressed", callable_mp(this, &LineEdit::menu_option));
menu->connect(SNAME("focus_entered"), callable_mp(this, &LineEdit::_validate_caret_can_draw));
menu->connect(SNAME("focus_exited"), callable_mp(this, &LineEdit::_validate_caret_can_draw));
}
void LineEdit::_update_context_menu() {
if (!menu) {
_generate_context_menu();
}
int idx = -1;
#define MENU_ITEM_ACTION_DISABLED(m_menu, m_id, m_action, m_disabled) \
idx = m_menu->get_item_index(m_id); \
if (idx >= 0) { \
m_menu->set_item_accelerator(idx, shortcut_keys_enabled ? _get_menu_action_accelerator(m_action) : Key::NONE); \
m_menu->set_item_disabled(idx, m_disabled); \
}
#define MENU_ITEM_ACTION(m_menu, m_id, m_action) \
idx = m_menu->get_item_index(m_id); \
if (idx >= 0) { \
m_menu->set_item_accelerator(idx, shortcut_keys_enabled ? _get_menu_action_accelerator(m_action) : Key::NONE); \
}
#define MENU_ITEM_DISABLED(m_menu, m_id, m_disabled) \
idx = m_menu->get_item_index(m_id); \
if (idx >= 0) { \
m_menu->set_item_disabled(idx, m_disabled); \
}
#define MENU_ITEM_CHECKED(m_menu, m_id, m_checked) \
idx = m_menu->get_item_index(m_id); \
if (idx >= 0) { \
m_menu->set_item_checked(idx, m_checked); \
}
MENU_ITEM_ACTION_DISABLED(menu, MENU_CUT, "ui_cut", !editable)
MENU_ITEM_ACTION(menu, MENU_COPY, "ui_copy")
MENU_ITEM_ACTION_DISABLED(menu, MENU_PASTE, "ui_paste", !editable)
MENU_ITEM_ACTION_DISABLED(menu, MENU_SELECT_ALL, "ui_text_select_all", !selecting_enabled)
MENU_ITEM_DISABLED(menu, MENU_CLEAR, !editable)
MENU_ITEM_ACTION_DISABLED(menu, MENU_UNDO, "ui_undo", !editable || !has_undo())
MENU_ITEM_ACTION_DISABLED(menu, MENU_REDO, "ui_redo", !editable || !has_redo())
MENU_ITEM_CHECKED(menu_dir, MENU_DIR_INHERITED, text_direction == TEXT_DIRECTION_INHERITED)
MENU_ITEM_CHECKED(menu_dir, MENU_DIR_AUTO, text_direction == TEXT_DIRECTION_AUTO)
MENU_ITEM_CHECKED(menu_dir, MENU_DIR_LTR, text_direction == TEXT_DIRECTION_LTR)
MENU_ITEM_CHECKED(menu_dir, MENU_DIR_RTL, text_direction == TEXT_DIRECTION_RTL)
MENU_ITEM_CHECKED(menu, MENU_DISPLAY_UCC, draw_control_chars)
MENU_ITEM_DISABLED(menu, MENU_SUBMENU_INSERT_UCC, !editable)
#undef MENU_ITEM_ACTION_DISABLED
#undef MENU_ITEM_ACTION
#undef MENU_ITEM_DISABLED
#undef MENU_ITEM_CHECKED
}
void LineEdit::_validate_property(PropertyInfo &p_property) const {
if (!caret_blink_enabled && p_property.name == "caret_blink_interval") {
p_property.usage = PROPERTY_USAGE_NO_EDITOR;
}
}
void LineEdit::_bind_methods() {
ClassDB::bind_method(D_METHOD("_text_changed"), &LineEdit::_text_changed);
ClassDB::bind_method(D_METHOD("set_horizontal_alignment", "alignment"), &LineEdit::set_horizontal_alignment);
ClassDB::bind_method(D_METHOD("get_horizontal_alignment"), &LineEdit::get_horizontal_alignment);
ClassDB::bind_method(D_METHOD("clear"), &LineEdit::clear);
ClassDB::bind_method(D_METHOD("select", "from", "to"), &LineEdit::select, DEFVAL(0), DEFVAL(-1));
ClassDB::bind_method(D_METHOD("select_all"), &LineEdit::select_all);
ClassDB::bind_method(D_METHOD("deselect"), &LineEdit::deselect);
ClassDB::bind_method(D_METHOD("has_selection"), &LineEdit::has_selection);
ClassDB::bind_method(D_METHOD("get_selected_text"), &LineEdit::get_selected_text);
ClassDB::bind_method(D_METHOD("get_selection_from_column"), &LineEdit::get_selection_from_column);
ClassDB::bind_method(D_METHOD("get_selection_to_column"), &LineEdit::get_selection_to_column);
ClassDB::bind_method(D_METHOD("set_text", "text"), &LineEdit::set_text);
ClassDB::bind_method(D_METHOD("get_text"), &LineEdit::get_text);
ClassDB::bind_method(D_METHOD("get_draw_control_chars"), &LineEdit::get_draw_control_chars);
ClassDB::bind_method(D_METHOD("set_draw_control_chars", "enable"), &LineEdit::set_draw_control_chars);
ClassDB::bind_method(D_METHOD("set_text_direction", "direction"), &LineEdit::set_text_direction);
ClassDB::bind_method(D_METHOD("get_text_direction"), &LineEdit::get_text_direction);
ClassDB::bind_method(D_METHOD("set_language", "language"), &LineEdit::set_language);
ClassDB::bind_method(D_METHOD("get_language"), &LineEdit::get_language);
ClassDB::bind_method(D_METHOD("set_structured_text_bidi_override", "parser"), &LineEdit::set_structured_text_bidi_override);
ClassDB::bind_method(D_METHOD("get_structured_text_bidi_override"), &LineEdit::get_structured_text_bidi_override);
ClassDB::bind_method(D_METHOD("set_structured_text_bidi_override_options", "args"), &LineEdit::set_structured_text_bidi_override_options);
ClassDB::bind_method(D_METHOD("get_structured_text_bidi_override_options"), &LineEdit::get_structured_text_bidi_override_options);
ClassDB::bind_method(D_METHOD("set_placeholder", "text"), &LineEdit::set_placeholder);
ClassDB::bind_method(D_METHOD("get_placeholder"), &LineEdit::get_placeholder);
ClassDB::bind_method(D_METHOD("set_caret_column", "position"), &LineEdit::set_caret_column);
ClassDB::bind_method(D_METHOD("get_caret_column"), &LineEdit::get_caret_column);
ClassDB::bind_method(D_METHOD("get_scroll_offset"), &LineEdit::get_scroll_offset);
ClassDB::bind_method(D_METHOD("set_expand_to_text_length_enabled", "enabled"), &LineEdit::set_expand_to_text_length_enabled);
ClassDB::bind_method(D_METHOD("is_expand_to_text_length_enabled"), &LineEdit::is_expand_to_text_length_enabled);
ClassDB::bind_method(D_METHOD("set_caret_blink_enabled", "enabled"), &LineEdit::set_caret_blink_enabled);
ClassDB::bind_method(D_METHOD("is_caret_blink_enabled"), &LineEdit::is_caret_blink_enabled);
ClassDB::bind_method(D_METHOD("set_caret_mid_grapheme_enabled", "enabled"), &LineEdit::set_caret_mid_grapheme_enabled);
ClassDB::bind_method(D_METHOD("is_caret_mid_grapheme_enabled"), &LineEdit::is_caret_mid_grapheme_enabled);
ClassDB::bind_method(D_METHOD("set_caret_force_displayed", "enabled"), &LineEdit::set_caret_force_displayed);
ClassDB::bind_method(D_METHOD("is_caret_force_displayed"), &LineEdit::is_caret_force_displayed);
ClassDB::bind_method(D_METHOD("set_caret_blink_interval", "interval"), &LineEdit::set_caret_blink_interval);
ClassDB::bind_method(D_METHOD("get_caret_blink_interval"), &LineEdit::get_caret_blink_interval);
ClassDB::bind_method(D_METHOD("set_max_length", "chars"), &LineEdit::set_max_length);
ClassDB::bind_method(D_METHOD("get_max_length"), &LineEdit::get_max_length);
ClassDB::bind_method(D_METHOD("insert_text_at_caret", "text"), &LineEdit::insert_text_at_caret);
ClassDB::bind_method(D_METHOD("delete_char_at_caret"), &LineEdit::delete_char);
ClassDB::bind_method(D_METHOD("delete_text", "from_column", "to_column"), &LineEdit::delete_text);
ClassDB::bind_method(D_METHOD("set_editable", "enabled"), &LineEdit::set_editable);
ClassDB::bind_method(D_METHOD("is_editable"), &LineEdit::is_editable);
ClassDB::bind_method(D_METHOD("set_secret", "enabled"), &LineEdit::set_secret);
ClassDB::bind_method(D_METHOD("is_secret"), &LineEdit::is_secret);
ClassDB::bind_method(D_METHOD("set_secret_character", "character"), &LineEdit::set_secret_character);
ClassDB::bind_method(D_METHOD("get_secret_character"), &LineEdit::get_secret_character);
ClassDB::bind_method(D_METHOD("menu_option", "option"), &LineEdit::menu_option);
ClassDB::bind_method(D_METHOD("get_menu"), &LineEdit::get_menu);
ClassDB::bind_method(D_METHOD("is_menu_visible"), &LineEdit::is_menu_visible);
ClassDB::bind_method(D_METHOD("set_context_menu_enabled", "enable"), &LineEdit::set_context_menu_enabled);
ClassDB::bind_method(D_METHOD("is_context_menu_enabled"), &LineEdit::is_context_menu_enabled);
ClassDB::bind_method(D_METHOD("set_virtual_keyboard_enabled", "enable"), &LineEdit::set_virtual_keyboard_enabled);
ClassDB::bind_method(D_METHOD("is_virtual_keyboard_enabled"), &LineEdit::is_virtual_keyboard_enabled);
ClassDB::bind_method(D_METHOD("set_virtual_keyboard_type", "type"), &LineEdit::set_virtual_keyboard_type);
ClassDB::bind_method(D_METHOD("get_virtual_keyboard_type"), &LineEdit::get_virtual_keyboard_type);
ClassDB::bind_method(D_METHOD("set_clear_button_enabled", "enable"), &LineEdit::set_clear_button_enabled);
ClassDB::bind_method(D_METHOD("is_clear_button_enabled"), &LineEdit::is_clear_button_enabled);
ClassDB::bind_method(D_METHOD("set_shortcut_keys_enabled", "enable"), &LineEdit::set_shortcut_keys_enabled);
ClassDB::bind_method(D_METHOD("is_shortcut_keys_enabled"), &LineEdit::is_shortcut_keys_enabled);
ClassDB::bind_method(D_METHOD("set_middle_mouse_paste_enabled", "enable"), &LineEdit::set_middle_mouse_paste_enabled);
ClassDB::bind_method(D_METHOD("is_middle_mouse_paste_enabled"), &LineEdit::is_middle_mouse_paste_enabled);
ClassDB::bind_method(D_METHOD("set_selecting_enabled", "enable"), &LineEdit::set_selecting_enabled);
ClassDB::bind_method(D_METHOD("is_selecting_enabled"), &LineEdit::is_selecting_enabled);
ClassDB::bind_method(D_METHOD("set_deselect_on_focus_loss_enabled", "enable"), &LineEdit::set_deselect_on_focus_loss_enabled);
ClassDB::bind_method(D_METHOD("is_deselect_on_focus_loss_enabled"), &LineEdit::is_deselect_on_focus_loss_enabled);
ClassDB::bind_method(D_METHOD("set_right_icon", "icon"), &LineEdit::set_right_icon);
ClassDB::bind_method(D_METHOD("get_right_icon"), &LineEdit::get_right_icon);
ClassDB::bind_method(D_METHOD("set_flat", "enabled"), &LineEdit::set_flat);
ClassDB::bind_method(D_METHOD("is_flat"), &LineEdit::is_flat);
ClassDB::bind_method(D_METHOD("set_select_all_on_focus", "enabled"), &LineEdit::set_select_all_on_focus);
ClassDB::bind_method(D_METHOD("is_select_all_on_focus"), &LineEdit::is_select_all_on_focus);
ADD_SIGNAL(MethodInfo("text_changed", PropertyInfo(Variant::STRING, "new_text")));
ADD_SIGNAL(MethodInfo("text_change_rejected", PropertyInfo(Variant::STRING, "rejected_substring")));
ADD_SIGNAL(MethodInfo("text_submitted", PropertyInfo(Variant::STRING, "new_text")));
BIND_ENUM_CONSTANT(MENU_CUT);
BIND_ENUM_CONSTANT(MENU_COPY);
BIND_ENUM_CONSTANT(MENU_PASTE);
BIND_ENUM_CONSTANT(MENU_CLEAR);
BIND_ENUM_CONSTANT(MENU_SELECT_ALL);
BIND_ENUM_CONSTANT(MENU_UNDO);
BIND_ENUM_CONSTANT(MENU_REDO);
BIND_ENUM_CONSTANT(MENU_SUBMENU_TEXT_DIR);
BIND_ENUM_CONSTANT(MENU_DIR_INHERITED);
BIND_ENUM_CONSTANT(MENU_DIR_AUTO);
BIND_ENUM_CONSTANT(MENU_DIR_LTR);
BIND_ENUM_CONSTANT(MENU_DIR_RTL);
BIND_ENUM_CONSTANT(MENU_DISPLAY_UCC);
BIND_ENUM_CONSTANT(MENU_SUBMENU_INSERT_UCC);
BIND_ENUM_CONSTANT(MENU_INSERT_LRM);
BIND_ENUM_CONSTANT(MENU_INSERT_RLM);
BIND_ENUM_CONSTANT(MENU_INSERT_LRE);
BIND_ENUM_CONSTANT(MENU_INSERT_RLE);
BIND_ENUM_CONSTANT(MENU_INSERT_LRO);
BIND_ENUM_CONSTANT(MENU_INSERT_RLO);
BIND_ENUM_CONSTANT(MENU_INSERT_PDF);
BIND_ENUM_CONSTANT(MENU_INSERT_ALM);
BIND_ENUM_CONSTANT(MENU_INSERT_LRI);
BIND_ENUM_CONSTANT(MENU_INSERT_RLI);
BIND_ENUM_CONSTANT(MENU_INSERT_FSI);
BIND_ENUM_CONSTANT(MENU_INSERT_PDI);
BIND_ENUM_CONSTANT(MENU_INSERT_ZWJ);
BIND_ENUM_CONSTANT(MENU_INSERT_ZWNJ);
BIND_ENUM_CONSTANT(MENU_INSERT_WJ);
BIND_ENUM_CONSTANT(MENU_INSERT_SHY);
BIND_ENUM_CONSTANT(MENU_MAX);
BIND_ENUM_CONSTANT(KEYBOARD_TYPE_DEFAULT);
BIND_ENUM_CONSTANT(KEYBOARD_TYPE_MULTILINE);
BIND_ENUM_CONSTANT(KEYBOARD_TYPE_NUMBER);
BIND_ENUM_CONSTANT(KEYBOARD_TYPE_NUMBER_DECIMAL);
BIND_ENUM_CONSTANT(KEYBOARD_TYPE_PHONE);
BIND_ENUM_CONSTANT(KEYBOARD_TYPE_EMAIL_ADDRESS);
BIND_ENUM_CONSTANT(KEYBOARD_TYPE_PASSWORD);
BIND_ENUM_CONSTANT(KEYBOARD_TYPE_URL);
ADD_PROPERTY(PropertyInfo(Variant::STRING, "text"), "set_text", "get_text");
ADD_PROPERTY(PropertyInfo(Variant::STRING, "placeholder_text"), "set_placeholder", "get_placeholder");
ADD_PROPERTY(PropertyInfo(Variant::INT, "alignment", PROPERTY_HINT_ENUM, "Left,Center,Right,Fill"), "set_horizontal_alignment", "get_horizontal_alignment");
ADD_PROPERTY(PropertyInfo(Variant::INT, "max_length", PROPERTY_HINT_RANGE, "0,1000,1,or_greater"), "set_max_length", "get_max_length");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "editable"), "set_editable", "is_editable");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "secret"), "set_secret", "is_secret");
ADD_PROPERTY(PropertyInfo(Variant::STRING, "secret_character"), "set_secret_character", "get_secret_character");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "expand_to_text_length"), "set_expand_to_text_length_enabled", "is_expand_to_text_length_enabled");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "context_menu_enabled"), "set_context_menu_enabled", "is_context_menu_enabled");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "virtual_keyboard_enabled"), "set_virtual_keyboard_enabled", "is_virtual_keyboard_enabled");
ADD_PROPERTY(PropertyInfo(Variant::INT, "virtual_keyboard_type", PROPERTY_HINT_ENUM, "Default,Multiline,Number,Decimal,Phone,Email,Password,URL"), "set_virtual_keyboard_type", "get_virtual_keyboard_type");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "clear_button_enabled"), "set_clear_button_enabled", "is_clear_button_enabled");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "shortcut_keys_enabled"), "set_shortcut_keys_enabled", "is_shortcut_keys_enabled");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "middle_mouse_paste_enabled"), "set_middle_mouse_paste_enabled", "is_middle_mouse_paste_enabled");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "selecting_enabled"), "set_selecting_enabled", "is_selecting_enabled");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "deselect_on_focus_loss_enabled"), "set_deselect_on_focus_loss_enabled", "is_deselect_on_focus_loss_enabled");
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "right_icon", PROPERTY_HINT_RESOURCE_TYPE, "Texture"), "set_right_icon", "get_right_icon");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "flat"), "set_flat", "is_flat");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "draw_control_chars"), "set_draw_control_chars", "get_draw_control_chars");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "select_all_on_focus"), "set_select_all_on_focus", "is_select_all_on_focus");
ADD_GROUP("Caret", "caret_");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "caret_blink"), "set_caret_blink_enabled", "is_caret_blink_enabled");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "caret_blink_interval", PROPERTY_HINT_RANGE, "0.1,10,0.01"), "set_caret_blink_interval", "get_caret_blink_interval");
ADD_PROPERTY(PropertyInfo(Variant::INT, "caret_column", PROPERTY_HINT_RANGE, "0,1000,1,or_greater"), "set_caret_column", "get_caret_column");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "caret_force_displayed"), "set_caret_force_displayed", "is_caret_force_displayed");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "caret_mid_grapheme"), "set_caret_mid_grapheme_enabled", "is_caret_mid_grapheme_enabled");
ADD_GROUP("BiDi", "");
ADD_PROPERTY(PropertyInfo(Variant::INT, "text_direction", PROPERTY_HINT_ENUM, "Auto,Left-to-Right,Right-to-Left,Inherited"), "set_text_direction", "get_text_direction");
ADD_PROPERTY(PropertyInfo(Variant::STRING, "language", PROPERTY_HINT_LOCALE_ID, ""), "set_language", "get_language");
ADD_PROPERTY(PropertyInfo(Variant::INT, "structured_text_bidi_override", PROPERTY_HINT_ENUM, "Default,URI,File,Email,List,None,Custom"), "set_structured_text_bidi_override", "get_structured_text_bidi_override");
ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "structured_text_bidi_override_options"), "set_structured_text_bidi_override_options", "get_structured_text_bidi_override_options");
}
LineEdit::LineEdit(const String &p_placeholder) {
text_rid = TS->create_shaped_text();
_create_undo_state();
deselect();
set_focus_mode(FOCUS_ALL);
set_default_cursor_shape(CURSOR_IBEAM);
set_mouse_filter(MOUSE_FILTER_STOP);
set_process_unhandled_key_input(true);
set_caret_blink_enabled(false);
set_placeholder(p_placeholder);
set_editable(true); // Initialize to opposite first, so we get past the early-out in set_editable.
}
LineEdit::~LineEdit() {
TS->free_rid(text_rid);
}
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