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godot/scene/gui/line_edit.cpp
Rémi Verschelde 01afc442c7 Signals: Port connect calls to use callable_mp 
Remove now unnecessary bindings of signal callbacks in the public API.
There might be some false positives that need rebinding if they were
meant to be public.

No regular expressions were harmed in the making of this commit.
(Nah, just kidding.)
2020-02-28 14:24:09 +01:00

1905 lines
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/*************************************************************************/
/* line_edit.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "line_edit.h"
#include "core/message_queue.h"
#include "core/os/keyboard.h"
#include "core/os/os.h"
#include "core/print_string.h"
#include "core/translation.h"
#include "label.h"
#ifdef TOOLS_ENABLED
#include "editor/editor_scale.h"
#include "editor/editor_settings.h"
#endif
static bool _is_text_char(CharType c) {
return !is_symbol(c);
}
void LineEdit::_gui_input(Ref<InputEvent> p_event) {
Ref<InputEventMouseButton> b = p_event;
if (b.is_valid()) {
if (b->is_pressed() && b->get_button_index() == BUTTON_RIGHT && context_menu_enabled) {
menu->set_position(get_global_transform().xform(get_local_mouse_position()));
menu->set_size(Vector2(1, 1));
menu->set_scale(get_global_transform().get_scale());
menu->popup();
grab_focus();
accept_event();
return;
}
if (b->get_button_index() != BUTTON_LEFT)
return;
_reset_caret_blink_timer();
if (b->is_pressed()) {
accept_event(); //don't pass event further when clicked on text field
if (!text.empty() && is_editable() && _is_over_clear_button(b->get_position())) {
clear_button_status.press_attempt = true;
clear_button_status.pressing_inside = true;
return;
}
shift_selection_check_pre(b->get_shift());
set_cursor_at_pixel_pos(b->get_position().x);
if (b->get_shift()) {
selection_fill_at_cursor();
selection.creating = true;
} else {
if (b->is_doubleclick() && selecting_enabled) {
selection.enabled = true;
selection.begin = 0;
selection.end = text.length();
selection.doubleclick = true;
}
selection.drag_attempt = false;
if ((cursor_pos < selection.begin) || (cursor_pos > selection.end) || !selection.enabled) {
deselect();
selection.cursor_start = cursor_pos;
selection.creating = true;
} else if (selection.enabled) {
selection.drag_attempt = true;
}
}
update();
} else {
if (!text.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.doubleclick)) {
deselect();
}
selection.creating = false;
selection.doubleclick = false;
if (OS::get_singleton()->has_virtual_keyboard())
OS::get_singleton()->show_virtual_keyboard(text, get_global_rect(), max_length);
}
update();
}
Ref<InputEventMouseMotion> m = p_event;
if (m.is_valid()) {
if (!text.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) {
update();
}
}
if (m->get_button_mask() & BUTTON_LEFT) {
if (selection.creating) {
set_cursor_at_pixel_pos(m->get_position().x);
selection_fill_at_cursor();
}
}
}
Ref<InputEventKey> k = p_event;
if (k.is_valid()) {
if (!k->is_pressed())
return;
#ifdef APPLE_STYLE_KEYS
if (k->get_control() && !k->get_shift() && !k->get_alt() && !k->get_command()) {
uint32_t remap_key = KEY_UNKNOWN;
switch (k->get_scancode()) {
case KEY_F: {
remap_key = KEY_RIGHT;
} break;
case KEY_B: {
remap_key = KEY_LEFT;
} break;
case KEY_P: {
remap_key = KEY_UP;
} break;
case KEY_N: {
remap_key = KEY_DOWN;
} break;
case KEY_D: {
remap_key = KEY_DELETE;
} break;
case KEY_H: {
remap_key = KEY_BACKSPACE;
} break;
case KEY_A: {
remap_key = KEY_HOME;
} break;
case KEY_E: {
remap_key = KEY_END;
} break;
}
if (remap_key != KEY_UNKNOWN) {
k->set_scancode(remap_key);
k->set_control(false);
}
}
#endif
unsigned int code = k->get_scancode();
if (k->get_command() && is_shortcut_keys_enabled()) {
bool handled = true;
switch (code) {
case (KEY_X): { // CUT.
if (editable) {
cut_text();
}
} break;
case (KEY_C): { // COPY.
copy_text();
} break;
case (KEY_V): { // PASTE.
if (editable) {
paste_text();
}
} break;
case (KEY_Z): { // Undo/redo.
if (editable) {
if (k->get_shift()) {
redo();
} else {
undo();
}
}
} break;
case (KEY_U): { // Delete from start to cursor.
if (editable) {
deselect();
text = text.substr(cursor_pos, text.length() - cursor_pos);
update_cached_width();
set_cursor_position(0);
_text_changed();
}
} break;
case (KEY_Y): { // PASTE (Yank for unix users).
if (editable) {
paste_text();
}
} break;
case (KEY_K): { // Delete from cursor_pos to end.
if (editable) {
deselect();
text = text.substr(0, cursor_pos);
_text_changed();
}
} break;
case (KEY_A): { // Select all.
select();
} break;
#ifdef APPLE_STYLE_KEYS
case (KEY_LEFT): { // Go to start of text - like HOME key.
set_cursor_position(0);
} break;
case (KEY_RIGHT): { // Go to end of text - like END key.
set_cursor_position(text.length());
} break;
#endif
default: {
handled = false;
}
}
if (handled) {
accept_event();
return;
}
}
_reset_caret_blink_timer();
if (!k->get_metakey()) {
bool handled = true;
switch (code) {
case KEY_KP_ENTER:
case KEY_ENTER: {
emit_signal("text_entered", text);
if (OS::get_singleton()->has_virtual_keyboard())
OS::get_singleton()->hide_virtual_keyboard();
return;
} break;
case KEY_BACKSPACE: {
if (!editable)
break;
if (selection.enabled) {
selection_delete();
break;
}
#ifdef APPLE_STYLE_KEYS
if (k->get_alt()) {
#else
if (k->get_alt()) {
handled = false;
break;
} else if (k->get_command()) {
#endif
int cc = cursor_pos;
bool prev_char = false;
while (cc > 0) {
bool ischar = _is_text_char(text[cc - 1]);
if (prev_char && !ischar)
break;
prev_char = ischar;
cc--;
}
delete_text(cc, cursor_pos);
set_cursor_position(cc);
} else {
delete_char();
}
} break;
case KEY_KP_4: {
if (k->get_unicode() != 0) {
handled = false;
break;
}
[[fallthrough]];
}
case KEY_LEFT: {
#ifndef APPLE_STYLE_KEYS
if (!k->get_alt()) {
#endif
if (selection.enabled && !k->get_shift()) {
set_cursor_position(selection.begin);
deselect();
handled = true;
break;
}
shift_selection_check_pre(k->get_shift());
#ifndef APPLE_STYLE_KEYS
}
#endif
#ifdef APPLE_STYLE_KEYS
if (k->get_command()) {
set_cursor_position(0);
} else if (k->get_alt()) {
#else
if (k->get_alt()) {
handled = false;
break;
} else if (k->get_command()) {
#endif
bool prev_char = false;
int cc = cursor_pos;
while (cc > 0) {
bool ischar = _is_text_char(text[cc - 1]);
if (prev_char && !ischar)
break;
prev_char = ischar;
cc--;
}
set_cursor_position(cc);
} else {
set_cursor_position(get_cursor_position() - 1);
}
shift_selection_check_post(k->get_shift());
} break;
case KEY_KP_6: {
if (k->get_unicode() != 0) {
handled = false;
break;
}
[[fallthrough]];
}
case KEY_RIGHT: {
#ifndef APPLE_STYLE_KEYS
if (!k->get_alt()) {
#endif
if (selection.enabled && !k->get_shift()) {
set_cursor_position(selection.end);
deselect();
handled = true;
break;
}
shift_selection_check_pre(k->get_shift());
#ifndef APPLE_STYLE_KEYS
}
#endif
#ifdef APPLE_STYLE_KEYS
if (k->get_command()) {
set_cursor_position(text.length());
} else if (k->get_alt()) {
#else
if (k->get_alt()) {
handled = false;
break;
} else if (k->get_command()) {
#endif
bool prev_char = false;
int cc = cursor_pos;
while (cc < text.length()) {
bool ischar = _is_text_char(text[cc]);
if (prev_char && !ischar)
break;
prev_char = ischar;
cc++;
}
set_cursor_position(cc);
} else {
set_cursor_position(get_cursor_position() + 1);
}
shift_selection_check_post(k->get_shift());
} break;
case KEY_UP: {
shift_selection_check_pre(k->get_shift());
if (get_cursor_position() == 0) handled = false;
set_cursor_position(0);
shift_selection_check_post(k->get_shift());
} break;
case KEY_DOWN: {
shift_selection_check_pre(k->get_shift());
if (get_cursor_position() == text.length()) handled = false;
set_cursor_position(text.length());
shift_selection_check_post(k->get_shift());
} break;
case KEY_DELETE: {
if (!editable)
break;
if (k->get_shift() && !k->get_command() && !k->get_alt()) {
cut_text();
break;
}
if (selection.enabled) {
selection_delete();
break;
}
int text_len = text.length();
if (cursor_pos == text_len)
break; // Nothing to do.
#ifdef APPLE_STYLE_KEYS
if (k->get_alt()) {
#else
if (k->get_alt()) {
handled = false;
break;
} else if (k->get_command()) {
#endif
int cc = cursor_pos;
bool prev_char = false;
while (cc < text.length()) {
bool ischar = _is_text_char(text[cc]);
if (prev_char && !ischar)
break;
prev_char = ischar;
cc++;
}
delete_text(cursor_pos, cc);
} else {
set_cursor_position(cursor_pos + 1);
delete_char();
}
} break;
case KEY_KP_7: {
if (k->get_unicode() != 0) {
handled = false;
break;
}
[[fallthrough]];
}
case KEY_HOME: {
shift_selection_check_pre(k->get_shift());
set_cursor_position(0);
shift_selection_check_post(k->get_shift());
} break;
case KEY_KP_1: {
if (k->get_unicode() != 0) {
handled = false;
break;
}
[[fallthrough]];
}
case KEY_END: {
shift_selection_check_pre(k->get_shift());
set_cursor_position(text.length());
shift_selection_check_post(k->get_shift());
} break;
case KEY_MENU: {
if (context_menu_enabled) {
Point2 pos = Point2(get_cursor_pixel_pos(), (get_size().y + get_font("font")->get_height()) / 2);
menu->set_position(get_global_transform().xform(pos));
menu->set_size(Vector2(1, 1));
menu->set_scale(get_global_transform().get_scale());
menu->popup();
menu->grab_focus();
}
} break;
default: {
handled = false;
} break;
}
if (handled) {
accept_event();
} else if (!k->get_command()) {
if (k->get_unicode() >= 32 && k->get_scancode() != KEY_DELETE) {
if (editable) {
selection_delete();
CharType ucodestr[2] = { (CharType)k->get_unicode(), 0 };
int prev_len = text.length();
append_at_cursor(ucodestr);
if (text.length() != prev_len) {
_text_changed();
}
accept_event();
}
} else {
return;
}
}
update();
}
return;
}
}
void LineEdit::set_align(Align p_align) {
ERR_FAIL_INDEX((int)p_align, 4);
align = p_align;
update();
}
LineEdit::Align LineEdit::get_align() const {
return align;
}
Variant LineEdit::get_drag_data(const Point2 &p_point) {
if (selection.drag_attempt && selection.enabled) {
String t = text.substr(selection.begin, selection.end - selection.begin);
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 {
return p_data.get_type() == Variant::STRING;
}
void LineEdit::drop_data(const Point2 &p_point, const Variant &p_data) {
if (p_data.get_type() == Variant::STRING) {
set_cursor_at_pixel_pos(p_point.x);
int selected = selection.end - selection.begin;
Ref<Font> font = get_font("font");
if (font != NULL) {
for (int i = selection.begin; i < selection.end; i++)
cached_width -= font->get_char_size(text[i]).width;
}
text.erase(selection.begin, selected);
append_at_cursor(p_data);
selection.begin = cursor_pos - selected;
selection.end = cursor_pos;
}
}
Control::CursorShape LineEdit::get_cursor_shape(const Point2 &p_pos) const {
if (!text.empty() && is_editable() && _is_over_clear_button(p_pos)) {
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 = Control::get_icon("clear");
int x_ofs = get_stylebox("normal")->get_offset().x;
return p_pos.x > get_size().width - icon->get_width() - x_ofs;
}
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)) {
cursor_set_blink_enabled(EDITOR_DEF("text_editor/cursor/caret_blink", false));
cursor_set_blink_speed(EDITOR_DEF("text_editor/cursor/caret_blink_speed", 0.65));
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: {
window_pos = 0;
set_cursor_position(get_cursor_position());
} break;
case NOTIFICATION_TRANSLATION_CHANGED: {
placeholder_translated = tr(placeholder);
update_placeholder_width();
update();
} break;
case MainLoop::NOTIFICATION_WM_FOCUS_IN: {
window_has_focus = true;
draw_caret = true;
update();
} break;
case MainLoop::NOTIFICATION_WM_FOCUS_OUT: {
window_has_focus = false;
draw_caret = false;
update();
} break;
case NOTIFICATION_DRAW: {
if ((!has_focus() && !menu->has_focus()) || !window_has_focus) {
draw_caret = false;
}
int width, height;
Size2 size = get_size();
width = size.width;
height = size.height;
RID ci = get_canvas_item();
Ref<StyleBox> style = get_stylebox("normal");
if (!is_editable()) {
style = get_stylebox("read_only");
draw_caret = false;
}
Ref<Font> font = get_font("font");
style->draw(ci, Rect2(Point2(), size));
if (has_focus()) {
get_stylebox("focus")->draw(ci, Rect2(Point2(), size));
}
int x_ofs = 0;
bool using_placeholder = text.empty() && ime_text.empty();
int cached_text_width = using_placeholder ? cached_placeholder_width : cached_width;
switch (align) {
case ALIGN_FILL:
case ALIGN_LEFT: {
x_ofs = style->get_offset().x;
} break;
case ALIGN_CENTER: {
if (window_pos != 0)
x_ofs = style->get_offset().x;
else
x_ofs = MAX(style->get_margin(MARGIN_LEFT), int(size.width - (cached_text_width)) / 2);
} break;
case ALIGN_RIGHT: {
x_ofs = MAX(style->get_margin(MARGIN_LEFT), int(size.width - style->get_margin(MARGIN_RIGHT) - (cached_text_width)));
} break;
}
int ofs_max = width - style->get_margin(MARGIN_RIGHT);
int char_ofs = window_pos;
int y_area = height - style->get_minimum_size().height;
int y_ofs = style->get_offset().y + (y_area - font->get_height()) / 2;
int font_ascent = font->get_ascent();
Color selection_color = get_color("selection_color");
Color font_color = is_editable() ? get_color("font_color") : get_color("font_color_uneditable");
Color font_color_selected = get_color("font_color_selected");
Color cursor_color = get_color("cursor_color");
const String &t = using_placeholder ? placeholder_translated : text;
// Draw placeholder color.
if (using_placeholder)
font_color.a *= placeholder_alpha;
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 ? Control::get_icon("clear") : 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 = get_color("clear_button_color_pressed");
} else {
color_icon = get_color("clear_button_color");
}
}
r_icon->draw(ci, Point2(width - r_icon->get_width() - style->get_margin(MARGIN_RIGHT), height / 2 - r_icon->get_height() / 2), color_icon);
if (align == ALIGN_CENTER) {
if (window_pos == 0) {
x_ofs = MAX(style->get_margin(MARGIN_LEFT), int(size.width - cached_text_width - r_icon->get_width() - style->get_margin(MARGIN_RIGHT) * 2) / 2);
}
} else {
x_ofs = MAX(style->get_margin(MARGIN_LEFT), x_ofs - r_icon->get_width() - style->get_margin(MARGIN_RIGHT));
}
ofs_max -= r_icon->get_width();
}
int caret_height = font->get_height() > y_area ? y_area : font->get_height();
FontDrawer drawer(font, Color(1, 1, 1));
while (true) {
// End of string, break.
if (char_ofs >= t.length())
break;
if (char_ofs == cursor_pos) {
if (ime_text.length() > 0) {
int ofs = 0;
while (true) {
if (ofs >= ime_text.length())
break;
CharType cchar = (pass && !text.empty()) ? secret_character[0] : ime_text[ofs];
CharType next = (pass && !text.empty()) ? secret_character[0] : ime_text[ofs + 1];
int im_char_width = font->get_char_size(cchar, next).width;
if ((x_ofs + im_char_width) > ofs_max)
break;
bool selected = ofs >= ime_selection.x && ofs < ime_selection.x + ime_selection.y;
if (selected) {
VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(Point2(x_ofs, y_ofs + caret_height), Size2(im_char_width, 3)), font_color);
} else {
VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(Point2(x_ofs, y_ofs + caret_height), Size2(im_char_width, 1)), font_color);
}
drawer.draw_char(ci, Point2(x_ofs, y_ofs + font_ascent), cchar, next, font_color);
x_ofs += im_char_width;
ofs++;
}
}
}
CharType cchar = (pass && !text.empty()) ? secret_character[0] : t[char_ofs];
CharType next = (pass && !text.empty()) ? secret_character[0] : t[char_ofs + 1];
int char_width = font->get_char_size(cchar, next).width;
// End of widget, break.
if ((x_ofs + char_width) > ofs_max)
break;
bool selected = selection.enabled && char_ofs >= selection.begin && char_ofs < selection.end;
if (selected)
VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(Point2(x_ofs, y_ofs), Size2(char_width, caret_height)), selection_color);
int yofs = y_ofs + (caret_height - font->get_height()) / 2;
drawer.draw_char(ci, Point2(x_ofs, yofs + font_ascent), cchar, next, selected ? font_color_selected : font_color);
if (char_ofs == cursor_pos && draw_caret && !using_placeholder) {
if (ime_text.length() == 0) {
#ifdef TOOLS_ENABLED
VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(Point2(x_ofs, y_ofs), Size2(Math::round(EDSCALE), caret_height)), cursor_color);
#else
VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(Point2(x_ofs, y_ofs), Size2(1, caret_height)), cursor_color);
#endif
}
}
x_ofs += char_width;
char_ofs++;
}
if (char_ofs == cursor_pos) {
if (ime_text.length() > 0) {
int ofs = 0;
while (true) {
if (ofs >= ime_text.length())
break;
CharType cchar = (pass && !text.empty()) ? secret_character[0] : ime_text[ofs];
CharType next = (pass && !text.empty()) ? secret_character[0] : ime_text[ofs + 1];
int im_char_width = font->get_char_size(cchar, next).width;
if ((x_ofs + im_char_width) > ofs_max)
break;
bool selected = ofs >= ime_selection.x && ofs < ime_selection.x + ime_selection.y;
if (selected) {
VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(Point2(x_ofs, y_ofs + caret_height), Size2(im_char_width, 3)), font_color);
} else {
VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(Point2(x_ofs, y_ofs + caret_height), Size2(im_char_width, 1)), font_color);
}
drawer.draw_char(ci, Point2(x_ofs, y_ofs + font_ascent), cchar, next, font_color);
x_ofs += im_char_width;
ofs++;
}
}
}
if ((char_ofs == cursor_pos || using_placeholder) && draw_caret) { // May be at the end, or placeholder.
if (ime_text.length() == 0) {
int caret_x_ofs = x_ofs;
if (using_placeholder) {
switch (align) {
case ALIGN_LEFT:
case ALIGN_FILL: {
caret_x_ofs = style->get_offset().x;
} break;
case ALIGN_CENTER: {
caret_x_ofs = ofs_max / 2;
} break;
case ALIGN_RIGHT: {
caret_x_ofs = ofs_max;
} break;
}
}
#ifdef TOOLS_ENABLED
VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(Point2(caret_x_ofs, y_ofs), Size2(Math::round(EDSCALE), caret_height)), cursor_color);
#else
VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(Point2(caret_x_ofs, y_ofs), Size2(1, caret_height)), cursor_color);
#endif
}
}
if (has_focus()) {
OS::get_singleton()->set_ime_active(true);
OS::get_singleton()->set_ime_position(get_global_position() + Point2(using_placeholder ? 0 : x_ofs, y_ofs + caret_height));
}
} break;
case NOTIFICATION_FOCUS_ENTER: {
if (caret_blink_enabled) {
caret_blink_timer->start();
} else {
draw_caret = true;
}
OS::get_singleton()->set_ime_active(true);
Point2 cursor_pos = Point2(get_cursor_position(), 1) * get_minimum_size().height;
OS::get_singleton()->set_ime_position(get_global_position() + cursor_pos);
if (OS::get_singleton()->has_virtual_keyboard())
OS::get_singleton()->show_virtual_keyboard(text, get_global_rect(), max_length);
} break;
case NOTIFICATION_FOCUS_EXIT: {
if (caret_blink_enabled) {
caret_blink_timer->stop();
}
OS::get_singleton()->set_ime_position(Point2());
OS::get_singleton()->set_ime_active(false);
ime_text = "";
ime_selection = Point2();
if (OS::get_singleton()->has_virtual_keyboard())
OS::get_singleton()->hide_virtual_keyboard();
} break;
case MainLoop::NOTIFICATION_OS_IME_UPDATE: {
if (has_focus()) {
ime_text = OS::get_singleton()->get_ime_text();
ime_selection = OS::get_singleton()->get_ime_selection();
update();
}
} break;
}
}
void LineEdit::copy_text() {
if (selection.enabled && !pass) {
OS::get_singleton()->set_clipboard(text.substr(selection.begin, selection.end - selection.begin));
}
}
void LineEdit::cut_text() {
if (selection.enabled && !pass) {
OS::get_singleton()->set_clipboard(text.substr(selection.begin, selection.end - selection.begin));
selection_delete();
}
}
void LineEdit::paste_text() {
// Strip escape characters like \n and \t as they can't be displayed on LineEdit.
String paste_buffer = OS::get_singleton()->get_clipboard().strip_escapes();
if (paste_buffer != "") {
int prev_len = text.length();
if (selection.enabled) selection_delete();
append_at_cursor(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;
}
}
}
void LineEdit::undo() {
if (undo_stack_pos == NULL) {
if (undo_stack.size() <= 1) {
return;
}
undo_stack_pos = undo_stack.back();
} else if (undo_stack_pos == undo_stack.front()) {
return;
}
undo_stack_pos = undo_stack_pos->prev();
TextOperation op = undo_stack_pos->get();
text = op.text;
cached_width = op.cached_width;
window_pos = op.window_pos;
set_cursor_position(op.cursor_pos);
if (expand_to_text_length)
minimum_size_changed();
_emit_text_change();
}
void LineEdit::redo() {
if (undo_stack_pos == NULL) {
return;
}
if (undo_stack_pos == undo_stack.back()) {
return;
}
undo_stack_pos = undo_stack_pos->next();
TextOperation op = undo_stack_pos->get();
text = op.text;
cached_width = op.cached_width;
window_pos = op.window_pos;
set_cursor_position(op.cursor_pos);
if (expand_to_text_length)
minimum_size_changed();
_emit_text_change();
}
void LineEdit::shift_selection_check_pre(bool p_shift) {
if (!selection.enabled && p_shift) {
selection.cursor_start = cursor_pos;
}
if (!p_shift)
deselect();
}
void LineEdit::shift_selection_check_post(bool p_shift) {
if (p_shift)
selection_fill_at_cursor();
}
void LineEdit::set_cursor_at_pixel_pos(int p_x) {
Ref<Font> font = get_font("font");
int ofs = window_pos;
Ref<StyleBox> style = get_stylebox("normal");
int pixel_ofs = 0;
Size2 size = get_size();
bool display_clear_icon = !text.empty() && is_editable() && clear_button_enabled;
int r_icon_width = Control::get_icon("clear")->get_width();
switch (align) {
case ALIGN_FILL:
case ALIGN_LEFT: {
pixel_ofs = int(style->get_offset().x);
} break;
case ALIGN_CENTER: {
if (window_pos != 0)
pixel_ofs = int(style->get_offset().x);
else
pixel_ofs = int(size.width - (cached_width)) / 2;
if (display_clear_icon)
pixel_ofs -= int(r_icon_width / 2 + style->get_margin(MARGIN_RIGHT));
} break;
case ALIGN_RIGHT: {
pixel_ofs = int(size.width - style->get_margin(MARGIN_RIGHT) - (cached_width));
if (display_clear_icon)
pixel_ofs -= int(r_icon_width + style->get_margin(MARGIN_RIGHT));
} break;
}
while (ofs < text.length()) {
int char_w = 0;
if (font != NULL) {
char_w = font->get_char_size(text[ofs]).width;
}
pixel_ofs += char_w;
if (pixel_ofs > p_x) { // Found what we look for.
break;
}
ofs++;
}
set_cursor_position(ofs);
}
int LineEdit::get_cursor_pixel_pos() {
Ref<Font> font = get_font("font");
int ofs = window_pos;
Ref<StyleBox> style = get_stylebox("normal");
int pixel_ofs = 0;
Size2 size = get_size();
bool display_clear_icon = !text.empty() && is_editable() && clear_button_enabled;
int r_icon_width = Control::get_icon("clear")->get_width();
switch (align) {
case ALIGN_FILL:
case ALIGN_LEFT: {
pixel_ofs = int(style->get_offset().x);
} break;
case ALIGN_CENTER: {
if (window_pos != 0)
pixel_ofs = int(style->get_offset().x);
else
pixel_ofs = int(size.width - (cached_width)) / 2;
if (display_clear_icon)
pixel_ofs -= int(r_icon_width / 2 + style->get_margin(MARGIN_RIGHT));
} break;
case ALIGN_RIGHT: {
pixel_ofs = int(size.width - style->get_margin(MARGIN_RIGHT) - (cached_width));
if (display_clear_icon)
pixel_ofs -= int(r_icon_width + style->get_margin(MARGIN_RIGHT));
} break;
}
while (ofs < cursor_pos) {
if (font != NULL) {
pixel_ofs += font->get_char_size(text[ofs]).width;
}
ofs++;
}
return pixel_ofs;
}
bool LineEdit::cursor_get_blink_enabled() const {
return caret_blink_enabled;
}
void LineEdit::cursor_set_blink_enabled(const bool p_enabled) {
caret_blink_enabled = p_enabled;
if (has_focus()) {
if (p_enabled) {
caret_blink_timer->start();
} else {
caret_blink_timer->stop();
}
}
draw_caret = true;
}
float LineEdit::cursor_get_blink_speed() const {
return caret_blink_timer->get_wait_time();
}
void LineEdit::cursor_set_blink_speed(const float p_speed) {
ERR_FAIL_COND(p_speed <= 0);
caret_blink_timer->set_wait_time(p_speed);
}
void LineEdit::_reset_caret_blink_timer() {
if (caret_blink_enabled) {
draw_caret = true;
if (has_focus()) {
caret_blink_timer->stop();
caret_blink_timer->start();
update();
}
}
}
void LineEdit::_toggle_draw_caret() {
draw_caret = !draw_caret;
if (is_visible_in_tree() && has_focus() && window_has_focus) {
update();
}
}
void LineEdit::delete_char() {
if ((text.length() <= 0) || (cursor_pos == 0)) return;
Ref<Font> font = get_font("font");
if (font != NULL) {
cached_width -= font->get_char_size(text[cursor_pos - 1]).width;
}
text.erase(cursor_pos - 1, 1);
set_cursor_position(get_cursor_position() - 1);
if (align == ALIGN_CENTER || align == ALIGN_RIGHT) {
window_pos = CLAMP(window_pos - 1, 0, MAX(text.length() - 1, 0));
}
_text_changed();
}
void LineEdit::delete_text(int p_from_column, int p_to_column) {
if (text.size() > 0) {
Ref<Font> font = get_font("font");
if (font != NULL) {
for (int i = p_from_column; i < p_to_column; i++)
cached_width -= font->get_char_size(text[i]).width;
}
} else {
cached_width = 0;
}
text.erase(p_from_column, p_to_column - p_from_column);
cursor_pos -= CLAMP(cursor_pos - p_from_column, 0, p_to_column - p_from_column);
if (cursor_pos >= text.length()) {
cursor_pos = text.length();
}
if (window_pos > cursor_pos) {
window_pos = cursor_pos;
}
if (align == ALIGN_CENTER || align == ALIGN_RIGHT) {
window_pos = CLAMP(window_pos - (p_to_column - p_from_column), 0, MAX(text.length() - 1, 0));
}
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();
append_at_cursor(p_text);
if (expand_to_text_length) {
minimum_size_changed();
}
update();
cursor_pos = 0;
window_pos = 0;
}
void LineEdit::clear() {
clear_internal();
_text_changed();
}
String LineEdit::get_text() const {
return text;
}
void LineEdit::set_placeholder(String p_text) {
placeholder = p_text;
placeholder_translated = tr(placeholder);
update_placeholder_width();
update();
}
String LineEdit::get_placeholder() const {
return placeholder;
}
void LineEdit::set_placeholder_alpha(float p_alpha) {
placeholder_alpha = p_alpha;
update();
}
float LineEdit::get_placeholder_alpha() const {
return placeholder_alpha;
}
void LineEdit::set_cursor_position(int p_pos) {
if (p_pos > (int)text.length())
p_pos = text.length();
if (p_pos < 0)
p_pos = 0;
cursor_pos = p_pos;
if (!is_inside_tree()) {
window_pos = cursor_pos;
return;
}
Ref<StyleBox> style = get_stylebox("normal");
Ref<Font> font = get_font("font");
if (cursor_pos <= window_pos) {
// Adjust window if cursor goes too much to the left.
set_window_pos(MAX(0, cursor_pos - 1));
} else {
// Adjust window if cursor goes too much to the right.
int window_width = get_size().width - style->get_minimum_size().width;
bool display_clear_icon = !text.empty() && is_editable() && clear_button_enabled;
if (right_icon.is_valid() || display_clear_icon) {
Ref<Texture2D> r_icon = display_clear_icon ? Control::get_icon("clear") : right_icon;
window_width -= r_icon->get_width();
}
if (window_width < 0)
return;
int wp = window_pos;
if (font.is_valid()) {
int accum_width = 0;
for (int i = cursor_pos; i >= window_pos; i--) {
if (i >= text.length()) {
// Do not do this, because if the cursor is at the end, its just fine that it takes no space.
// accum_width = font->get_char_size(' ').width;
} else {
accum_width += font->get_char_size(text[i], i + 1 < text.length() ? text[i + 1] : 0).width; // Anything should do.
}
if (accum_width > window_width)
break;
wp = i;
}
}
if (wp != window_pos)
set_window_pos(wp);
}
update();
}
int LineEdit::get_cursor_position() const {
return cursor_pos;
}
void LineEdit::set_window_pos(int p_pos) {
window_pos = p_pos;
if (window_pos < 0) window_pos = 0;
}
void LineEdit::append_at_cursor(String p_text) {
if ((max_length <= 0) || (text.length() + p_text.length() <= max_length)) {
String pre = text.substr(0, cursor_pos);
String post = text.substr(cursor_pos, text.length() - cursor_pos);
text = pre + p_text + post;
update_cached_width();
set_cursor_position(cursor_pos + p_text.length());
} else {
emit_signal("text_change_rejected");
}
}
void LineEdit::clear_internal() {
deselect();
_clear_undo_stack();
cached_width = 0;
cursor_pos = 0;
window_pos = 0;
undo_text = "";
text = "";
update();
}
Size2 LineEdit::get_minimum_size() const {
Ref<StyleBox> style = get_stylebox("normal");
Ref<Font> font = get_font("font");
Size2 min_size;
// Minimum size of text.
int space_size = font->get_char_size(' ').x;
min_size.width = get_constant("minimum_spaces") * space_size;
if (expand_to_text_length) {
// Add a space because some fonts are too exact, and because cursor needs a bit more when at the end.
min_size.width = MAX(min_size.width, font->get_string_size(text).x + space_size);
}
min_size.height = font->get_height();
// Take icons into account.
if (!text.empty() && is_editable() && clear_button_enabled) {
min_size.width = MAX(min_size.width, Control::get_icon("clear")->get_width());
min_size.height = MAX(min_size.height, Control::get_icon("clear")->get_height());
}
if (right_icon.is_valid()) {
min_size.width = MAX(min_size.width, right_icon->get_width());
min_size.height = MAX(min_size.height, right_icon->get_height());
}
return style->get_minimum_size() + min_size;
}
void LineEdit::deselect() {
selection.begin = 0;
selection.end = 0;
selection.cursor_start = 0;
selection.enabled = false;
selection.creating = false;
selection.doubleclick = false;
update();
}
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_cursor() {
if (!selecting_enabled)
return;
selection.begin = cursor_pos;
selection.end = selection.cursor_start;
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;
update();
}
void LineEdit::set_editable(bool p_editable) {
if (editable == p_editable)
return;
editable = p_editable;
_generate_context_menu();
minimum_size_changed();
update();
}
bool LineEdit::is_editable() const {
return editable;
}
void LineEdit::set_secret(bool p_secret) {
pass = p_secret;
update_cached_width();
update();
}
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).");
secret_character = p_string;
update_cached_width();
update();
}
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.doubleclick = false;
update();
}
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();
}
}
}
}
void LineEdit::set_context_menu_enabled(bool p_enable) {
context_menu_enabled = p_enable;
}
bool LineEdit::is_context_menu_enabled() {
return context_menu_enabled;
}
PopupMenu *LineEdit::get_menu() const {
return menu;
}
void LineEdit::_editor_settings_changed() {
#ifdef TOOLS_ENABLED
cursor_set_blink_enabled(EDITOR_DEF("text_editor/cursor/caret_blink", false));
cursor_set_blink_speed(EDITOR_DEF("text_editor/cursor/caret_blink_speed", 0.65));
#endif
}
void LineEdit::set_expand_to_text_length(bool p_enabled) {
expand_to_text_length = p_enabled;
minimum_size_changed();
set_window_pos(0);
}
bool LineEdit::get_expand_to_text_length() 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;
minimum_size_changed();
update();
}
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;
_generate_context_menu();
}
bool LineEdit::is_shortcut_keys_enabled() const {
return shortcut_keys_enabled;
}
void LineEdit::set_selecting_enabled(bool p_enabled) {
selecting_enabled = p_enabled;
if (!selecting_enabled)
deselect();
_generate_context_menu();
}
bool LineEdit::is_selecting_enabled() const {
return selecting_enabled;
}
void LineEdit::set_right_icon(const Ref<Texture2D> &p_icon) {
if (right_icon == p_icon) {
return;
}
right_icon = p_icon;
minimum_size_changed();
update();
}
Ref<Texture2D> LineEdit::get_right_icon() {
return right_icon;
}
void LineEdit::_text_changed() {
if (expand_to_text_length)
minimum_size_changed();
_emit_text_change();
_clear_redo();
}
void LineEdit::_emit_text_change() {
emit_signal("text_changed", text);
_change_notify("text");
text_changed_dirty = false;
}
void LineEdit::update_cached_width() {
Ref<Font> font = get_font("font");
cached_width = 0;
if (font != NULL) {
String text = get_text();
for (int i = 0; i < text.length(); i++) {
cached_width += font->get_char_size(pass ? secret_character[0] : text[i]).width;
}
}
}
void LineEdit::update_placeholder_width() {
if ((max_length <= 0) || (placeholder_translated.length() <= max_length)) {
Ref<Font> font = get_font("font");
cached_placeholder_width = 0;
if (font != NULL) {
for (int i = 0; i < placeholder_translated.length(); i++) {
cached_placeholder_width += font->get_char_size(placeholder_translated[i]).width;
}
}
}
}
void LineEdit::_clear_redo() {
_create_undo_state();
if (undo_stack_pos == NULL) {
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 = NULL;
_create_undo_state();
}
void LineEdit::_create_undo_state() {
TextOperation op;
op.text = text;
op.cached_width = cached_width;
op.cursor_pos = cursor_pos;
op.window_pos = window_pos;
undo_stack.push_back(op);
}
void LineEdit::_generate_context_menu() {
// Reorganize context menu.
menu->clear();
if (editable)
menu->add_item(RTR("Cut"), MENU_CUT, is_shortcut_keys_enabled() ? KEY_MASK_CMD | KEY_X : 0);
menu->add_item(RTR("Copy"), MENU_COPY, is_shortcut_keys_enabled() ? KEY_MASK_CMD | KEY_C : 0);
if (editable)
menu->add_item(RTR("Paste"), MENU_PASTE, is_shortcut_keys_enabled() ? KEY_MASK_CMD | KEY_V : 0);
menu->add_separator();
if (is_selecting_enabled())
menu->add_item(RTR("Select All"), MENU_SELECT_ALL, is_shortcut_keys_enabled() ? KEY_MASK_CMD | KEY_A : 0);
if (editable) {
menu->add_item(RTR("Clear"), MENU_CLEAR);
menu->add_separator();
menu->add_item(RTR("Undo"), MENU_UNDO, is_shortcut_keys_enabled() ? KEY_MASK_CMD | KEY_Z : 0);
menu->add_item(RTR("Redo"), MENU_REDO, is_shortcut_keys_enabled() ? KEY_MASK_CMD | KEY_MASK_SHIFT | KEY_Z : 0);
}
}
void LineEdit::_bind_methods() {
ClassDB::bind_method(D_METHOD("_text_changed"), &LineEdit::_text_changed);
ClassDB::bind_method(D_METHOD("set_align", "align"), &LineEdit::set_align);
ClassDB::bind_method(D_METHOD("get_align"), &LineEdit::get_align);
ClassDB::bind_method(D_METHOD("_gui_input"), &LineEdit::_gui_input);
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("set_text", "text"), &LineEdit::set_text);
ClassDB::bind_method(D_METHOD("get_text"), &LineEdit::get_text);
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_placeholder_alpha", "alpha"), &LineEdit::set_placeholder_alpha);
ClassDB::bind_method(D_METHOD("get_placeholder_alpha"), &LineEdit::get_placeholder_alpha);
ClassDB::bind_method(D_METHOD("set_cursor_position", "position"), &LineEdit::set_cursor_position);
ClassDB::bind_method(D_METHOD("get_cursor_position"), &LineEdit::get_cursor_position);
ClassDB::bind_method(D_METHOD("set_expand_to_text_length", "enabled"), &LineEdit::set_expand_to_text_length);
ClassDB::bind_method(D_METHOD("get_expand_to_text_length"), &LineEdit::get_expand_to_text_length);
ClassDB::bind_method(D_METHOD("cursor_set_blink_enabled", "enabled"), &LineEdit::cursor_set_blink_enabled);
ClassDB::bind_method(D_METHOD("cursor_get_blink_enabled"), &LineEdit::cursor_get_blink_enabled);
ClassDB::bind_method(D_METHOD("cursor_set_blink_speed", "blink_speed"), &LineEdit::cursor_set_blink_speed);
ClassDB::bind_method(D_METHOD("cursor_get_blink_speed"), &LineEdit::cursor_get_blink_speed);
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("append_at_cursor", "text"), &LineEdit::append_at_cursor);
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("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_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_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_right_icon", "icon"), &LineEdit::set_right_icon);
ClassDB::bind_method(D_METHOD("get_right_icon"), &LineEdit::get_right_icon);
ADD_SIGNAL(MethodInfo("text_changed", PropertyInfo(Variant::STRING, "new_text")));
ADD_SIGNAL(MethodInfo("text_change_rejected"));
ADD_SIGNAL(MethodInfo("text_entered", PropertyInfo(Variant::STRING, "new_text")));
BIND_ENUM_CONSTANT(ALIGN_LEFT);
BIND_ENUM_CONSTANT(ALIGN_CENTER);
BIND_ENUM_CONSTANT(ALIGN_RIGHT);
BIND_ENUM_CONSTANT(ALIGN_FILL);
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_MAX);
ADD_PROPERTY(PropertyInfo(Variant::STRING, "text"), "set_text", "get_text");
ADD_PROPERTY(PropertyInfo(Variant::INT, "align", PROPERTY_HINT_ENUM, "Left,Center,Right,Fill"), "set_align", "get_align");
ADD_PROPERTY(PropertyInfo(Variant::INT, "max_length"), "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", "get_expand_to_text_length");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "context_menu_enabled"), "set_context_menu_enabled", "is_context_menu_enabled");
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, "selecting_enabled"), "set_selecting_enabled", "is_selecting_enabled");
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "right_icon", PROPERTY_HINT_RESOURCE_TYPE, "Texture"), "set_right_icon", "get_right_icon");
ADD_GROUP("Placeholder", "placeholder_");
ADD_PROPERTY(PropertyInfo(Variant::STRING, "placeholder_text"), "set_placeholder", "get_placeholder");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "placeholder_alpha", PROPERTY_HINT_RANGE, "0,1,0.001"), "set_placeholder_alpha", "get_placeholder_alpha");
ADD_GROUP("Caret", "caret_");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "caret_blink"), "cursor_set_blink_enabled", "cursor_get_blink_enabled");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "caret_blink_speed", PROPERTY_HINT_RANGE, "0.1,10,0.01"), "cursor_set_blink_speed", "cursor_get_blink_speed");
ADD_PROPERTY(PropertyInfo(Variant::INT, "caret_position"), "set_cursor_position", "get_cursor_position");
}
LineEdit::LineEdit() {
undo_stack_pos = NULL;
_create_undo_state();
align = ALIGN_LEFT;
cached_width = 0;
cached_placeholder_width = 0;
cursor_pos = 0;
window_pos = 0;
window_has_focus = true;
max_length = 0;
pass = false;
secret_character = "*";
text_changed_dirty = false;
placeholder_alpha = 0.6;
clear_button_enabled = false;
clear_button_status.press_attempt = false;
clear_button_status.pressing_inside = false;
shortcut_keys_enabled = true;
selecting_enabled = true;
deselect();
set_focus_mode(FOCUS_ALL);
set_default_cursor_shape(CURSOR_IBEAM);
set_mouse_filter(MOUSE_FILTER_STOP);
draw_caret = true;
caret_blink_enabled = false;
caret_blink_timer = memnew(Timer);
add_child(caret_blink_timer);
caret_blink_timer->set_wait_time(0.65);
caret_blink_timer->connect("timeout", callable_mp(this, &LineEdit::_toggle_draw_caret));
cursor_set_blink_enabled(false);
context_menu_enabled = true;
menu = memnew(PopupMenu);
add_child(menu);
editable = false; // Initialise to opposite first, so we get past the early-out in set_editable.
set_editable(true);
menu->connect("id_pressed", callable_mp(this, &LineEdit::menu_option));
expand_to_text_length = false;
}
LineEdit::~LineEdit() {
}
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