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godot/scene/gui/text_edit.cpp

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/*************************************************************************/
/* text_edit.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "text_edit.h"
#include "core/config/project_settings.h"
#include "core/input/input.h"
#include "core/input/input_map.h"
#include "core/object/message_queue.h"
#include "core/object/script_language.h"
#include "core/os/keyboard.h"
#include "core/os/os.h"
#include "core/string/string_builder.h"
#include "core/string/translation.h"
#include "label.h"
#include "scene/main/window.h"
static bool _is_text_char(char32_t c) {
return !is_symbol(c);
}
static bool _is_whitespace(char32_t c) {
return c == '\t' || c == ' ';
}
static bool _is_char(char32_t c) {
return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_';
}
///////////////////////////////////////////////////////////////////////////////
/// TEXT ///
///////////////////////////////////////////////////////////////////////////////
void TextEdit::Text::set_font(const Ref<Font> &p_font) {
if (font == p_font) {
return;
}
font = p_font;
is_dirty = true;
}
void TextEdit::Text::set_font_size(int p_font_size) {
if (font_size == p_font_size) {
return;
}
font_size = p_font_size;
is_dirty = true;
}
void TextEdit::Text::set_tab_size(int p_tab_size) {
if (tab_size == p_tab_size) {
return;
}
tab_size = p_tab_size;
tab_size_dirty = true;
}
int TextEdit::Text::get_tab_size() const {
return tab_size;
}
void TextEdit::Text::set_font_features(const Dictionary &p_features) {
if (opentype_features.hash() == p_features.hash()) {
return;
}
opentype_features = p_features;
is_dirty = true;
}
void TextEdit::Text::set_direction_and_language(TextServer::Direction p_direction, const String &p_language) {
if (direction == p_direction && language == p_language) {
return;
}
direction = p_direction;
language = p_language;
is_dirty = true;
}
void TextEdit::Text::set_draw_control_chars(bool p_enabled) {
if (draw_control_chars == p_enabled) {
return;
}
draw_control_chars = p_enabled;
is_dirty = true;
}
int TextEdit::Text::get_line_width(int p_line, int p_wrap_index) const {
ERR_FAIL_INDEX_V(p_line, text.size(), 0);
if (p_wrap_index != -1) {
return text[p_line].data_buf->get_line_width(p_wrap_index);
}
return text[p_line].data_buf->get_size().x;
}
int TextEdit::Text::get_line_height() const {
return line_height;
}
void TextEdit::Text::set_width(float p_width) {
width = p_width;
}
int TextEdit::Text::get_line_wrap_amount(int p_line) const {
ERR_FAIL_INDEX_V(p_line, text.size(), 0);
return text[p_line].data_buf->get_line_count() - 1;
}
Vector<Vector2i> TextEdit::Text::get_line_wrap_ranges(int p_line) const {
Vector<Vector2i> ret;
ERR_FAIL_INDEX_V(p_line, text.size(), ret);
for (int i = 0; i < text[p_line].data_buf->get_line_count(); i++) {
ret.push_back(text[p_line].data_buf->get_line_range(i));
}
return ret;
}
const Ref<TextParagraph> TextEdit::Text::get_line_data(int p_line) const {
ERR_FAIL_INDEX_V(p_line, text.size(), Ref<TextParagraph>());
return text[p_line].data_buf;
}
_FORCE_INLINE_ const String &TextEdit::Text::operator[](int p_line) const {
return text[p_line].data;
}
void TextEdit::Text::_calculate_line_height() {
int height = 0;
for (int i = 0; i < text.size(); i++) {
// Found another line with the same height...nothing to update.
if (text[i].height == line_height) {
height = line_height;
break;
}
height = MAX(height, text[i].height);
}
line_height = height;
}
void TextEdit::Text::_calculate_max_line_width() {
int width = 0;
for (int i = 0; i < text.size(); i++) {
if (is_hidden(i)) {
continue;
}
// Found another line with the same width...nothing to update.
if (text[i].width == max_width) {
width = max_width;
break;
}
width = MAX(width, text[i].width);
}
max_width = width;
}
void TextEdit::Text::invalidate_cache(int p_line, int p_column, const String &p_ime_text, const Array &p_bidi_override) {
ERR_FAIL_INDEX(p_line, text.size());
if (font.is_null() || font_size <= 0) {
return; // Not in tree?
}
text.write[p_line].data_buf->clear();
text.write[p_line].data_buf->set_width(width);
text.write[p_line].data_buf->set_direction((TextServer::Direction)direction);
text.write[p_line].data_buf->set_preserve_control(draw_control_chars);
if (p_ime_text.length() > 0) {
text.write[p_line].data_buf->add_string(p_ime_text, font, font_size, opentype_features, language);
if (!p_bidi_override.is_empty()) {
TS->shaped_text_set_bidi_override(text.write[p_line].data_buf->get_rid(), p_bidi_override);
}
} else {
text.write[p_line].data_buf->add_string(text[p_line].data, font, font_size, opentype_features, language);
if (!text[p_line].bidi_override.is_empty()) {
TS->shaped_text_set_bidi_override(text.write[p_line].data_buf->get_rid(), text[p_line].bidi_override);
}
}
// Apply tab align.
if (tab_size > 0) {
Vector<float> tabs;
tabs.push_back(font->get_char_size(' ', 0, font_size).width * tab_size);
text.write[p_line].data_buf->tab_align(tabs);
}
// Update height.
const int old_height = text.write[p_line].height;
const int wrap_amount = get_line_wrap_amount(p_line);
int height = font->get_height(font_size);
for (int i = 0; i <= wrap_amount; i++) {
height = MAX(height, text[p_line].data_buf->get_line_size(i).y);
}
text.write[p_line].height = height;
// If this line has shrunk, this may no longer the the tallest line.
if (old_height == line_height && height < line_height) {
_calculate_line_height();
} else {
line_height = MAX(height, line_height);
}
// Update width.
const int old_width = text.write[p_line].width;
int width = get_line_width(p_line);
text.write[p_line].width = width;
// If this line has shrunk, this may no longer the the longest line.
if (old_width == max_width && width < max_width) {
_calculate_max_line_width();
} else if (!is_hidden(p_line)) {
max_width = MAX(width, max_width);
}
}
void TextEdit::Text::invalidate_all_lines() {
for (int i = 0; i < text.size(); i++) {
text.write[i].data_buf->set_width(width);
if (tab_size_dirty) {
if (tab_size > 0) {
Vector<float> tabs;
tabs.push_back(font->get_char_size(' ', 0, font_size).width * tab_size);
text.write[i].data_buf->tab_align(tabs);
}
// Tabs have changes, force width update.
text.write[i].width = get_line_width(i);
}
}
if (tab_size_dirty) {
_calculate_max_line_width();
tab_size_dirty = false;
}
}
void TextEdit::Text::invalidate_all() {
if (!is_dirty) {
return;
}
for (int i = 0; i < text.size(); i++) {
invalidate_cache(i);
}
is_dirty = false;
}
void TextEdit::Text::clear() {
text.clear();
insert(0, "", Array());
}
int TextEdit::Text::get_max_width() const {
return max_width;
}
void TextEdit::Text::set(int p_line, const String &p_text, const Array &p_bidi_override) {
ERR_FAIL_INDEX(p_line, text.size());
text.write[p_line].data = p_text;
text.write[p_line].bidi_override = p_bidi_override;
invalidate_cache(p_line);
}
void TextEdit::Text::insert(int p_at, const String &p_text, const Array &p_bidi_override) {
Line line;
line.gutters.resize(gutter_count);
line.hidden = false;
line.data = p_text;
line.bidi_override = p_bidi_override;
text.insert(p_at, line);
invalidate_cache(p_at);
}
void TextEdit::Text::remove_at(int p_index) {
int height = text[p_index].height;
int width = text[p_index].width;
text.remove_at(p_index);
// If this is the tallest line, we need to get the next tallest.
if (height == line_height) {
_calculate_line_height();
}
// If this is the longest line, we need to get the next longest.
if (width == max_width) {
_calculate_max_line_width();
}
}
void TextEdit::Text::add_gutter(int p_at) {
for (int i = 0; i < text.size(); i++) {
if (p_at < 0 || p_at > gutter_count) {
text.write[i].gutters.push_back(Gutter());
} else {
text.write[i].gutters.insert(p_at, Gutter());
}
}
gutter_count++;
}
void TextEdit::Text::remove_gutter(int p_gutter) {
for (int i = 0; i < text.size(); i++) {
text.write[i].gutters.remove_at(p_gutter);
}
gutter_count--;
}
void TextEdit::Text::move_gutters(int p_from_line, int p_to_line) {
text.write[p_to_line].gutters = text[p_from_line].gutters;
text.write[p_from_line].gutters.clear();
text.write[p_from_line].gutters.resize(gutter_count);
}
///////////////////////////////////////////////////////////////////////////////
/// TEXT EDIT ///
///////////////////////////////////////////////////////////////////////////////
void TextEdit::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
_update_caches();
if (caret_pos_dirty) {
MessageQueue::get_singleton()->push_call(this, "_emit_caret_changed");
}
if (text_changed_dirty) {
MessageQueue::get_singleton()->push_call(this, "_text_changed_emit");
}
_update_wrap_at_column(true);
} break;
case NOTIFICATION_RESIZED: {
_update_scrollbars();
_update_wrap_at_column();
} break;
case NOTIFICATION_VISIBILITY_CHANGED: {
if (is_visible()) {
call_deferred(SNAME("_update_scrollbars"));
call_deferred(SNAME("_update_wrap_at_column"));
}
} break;
case NOTIFICATION_LAYOUT_DIRECTION_CHANGED:
case NOTIFICATION_TRANSLATION_CHANGED:
case NOTIFICATION_THEME_CHANGED: {
_update_caches();
_update_wrap_at_column(true);
} break;
case NOTIFICATION_WM_WINDOW_FOCUS_IN: {
window_has_focus = true;
draw_caret = true;
update();
} break;
case NOTIFICATION_WM_WINDOW_FOCUS_OUT: {
window_has_focus = false;
draw_caret = false;
update();
} break;
case NOTIFICATION_INTERNAL_PHYSICS_PROCESS: {
if (scrolling && get_v_scroll() != target_v_scroll) {
double target_y = target_v_scroll - get_v_scroll();
double dist = sqrt(target_y * target_y);
// To ensure minimap is responsive override the speed setting.
double vel = ((target_y / dist) * ((minimap_clicked) ? 3000 : v_scroll_speed)) * get_physics_process_delta_time();
if (Math::abs(vel) >= dist) {
set_v_scroll(target_v_scroll);
scrolling = false;
minimap_clicked = false;
set_physics_process_internal(false);
} else {
set_v_scroll(get_v_scroll() + vel);
}
} else {
scrolling = false;
minimap_clicked = false;
set_physics_process_internal(false);
}
} break;
case NOTIFICATION_DRAW: {
if (first_draw) {
// Size may not be the final one, so attempts to ensure caret was visible may have failed.
adjust_viewport_to_caret();
first_draw = false;
}
/* Prevent the resource getting lost between the editor and game. */
if (Engine::get_singleton()->is_editor_hint()) {
if (syntax_highlighter.is_valid() && syntax_highlighter->get_text_edit() != this) {
syntax_highlighter->set_text_edit(this);
}
}
Size2 size = get_size();
bool rtl = is_layout_rtl();
if ((!has_focus() && !(menu && menu->has_focus())) || !window_has_focus) {
draw_caret = false;
}
_update_scrollbars();
RID ci = get_canvas_item();
RenderingServer::get_singleton()->canvas_item_set_clip(get_canvas_item(), true);
int xmargin_beg = style_normal->get_margin(SIDE_LEFT) + gutters_width + gutter_padding;
int xmargin_end = size.width - style_normal->get_margin(SIDE_RIGHT);
if (draw_minimap) {
xmargin_end -= minimap_width;
}
// Let's do it easy for now.
style_normal->draw(ci, Rect2(Point2(), size));
if (!editable) {
style_readonly->draw(ci, Rect2(Point2(), size));
draw_caret = false;
}
if (has_focus()) {
style_focus->draw(ci, Rect2(Point2(), size));
}
int visible_rows = get_visible_line_count() + 1;
Color color = !editable ? font_readonly_color : font_color;
if (background_color.a > 0.01) {
RenderingServer::get_singleton()->canvas_item_add_rect(ci, Rect2(Point2i(), get_size()), background_color);
}
int brace_open_match_line = -1;
int brace_open_match_column = -1;
bool brace_open_matching = false;
bool brace_open_mismatch = false;
int brace_close_match_line = -1;
int brace_close_match_column = -1;
bool brace_close_matching = false;
bool brace_close_mismatch = false;
if (highlight_matching_braces_enabled && caret.line >= 0 && caret.line < text.size() && caret.column >= 0) {
if (caret.column < text[caret.line].length()) {
// Check for open.
char32_t c = text[caret.line][caret.column];
char32_t closec = 0;
if (c == '[') {
closec = ']';
} else if (c == '{') {
closec = '}';
} else if (c == '(') {
closec = ')';
}
if (closec != 0) {
int stack = 1;
for (int i = caret.line; i < text.size(); i++) {
int from = i == caret.line ? caret.column + 1 : 0;
for (int j = from; j < text[i].length(); j++) {
char32_t cc = text[i][j];
// Ignore any brackets inside a string.
if (cc == '"' || cc == '\'') {
char32_t quotation = cc;
do {
j++;
if (!(j < text[i].length())) {
break;
}
cc = text[i][j];
// Skip over escaped quotation marks inside strings.
if (cc == '\\') {
bool escaped = true;
while (j + 1 < text[i].length() && text[i][j + 1] == '\\') {
escaped = !escaped;
j++;
}
if (escaped) {
j++;
continue;
}
}
} while (cc != quotation);
} else if (cc == c) {
stack++;
} else if (cc == closec) {
stack--;
}
if (stack == 0) {
brace_open_match_line = i;
brace_open_match_column = j;
brace_open_matching = true;
break;
}
}
if (brace_open_match_line != -1) {
break;
}
}
if (!brace_open_matching) {
brace_open_mismatch = true;
}
}
}
if (caret.column > 0) {
char32_t c = text[caret.line][caret.column - 1];
char32_t closec = 0;
if (c == ']') {
closec = '[';
} else if (c == '}') {
closec = '{';
} else if (c == ')') {
closec = '(';
}
if (closec != 0) {
int stack = 1;
for (int i = caret.line; i >= 0; i--) {
int from = i == caret.line ? caret.column - 2 : text[i].length() - 1;
for (int j = from; j >= 0; j--) {
char32_t cc = text[i][j];
// Ignore any brackets inside a string.
if (cc == '"' || cc == '\'') {
char32_t quotation = cc;
do {
j--;
if (!(j >= 0)) {
break;
}
cc = text[i][j];
// Skip over escaped quotation marks inside strings.
if (cc == quotation) {
bool escaped = false;
while (j - 1 >= 0 && text[i][j - 1] == '\\') {
escaped = !escaped;
j--;
}
if (escaped) {
cc = '\\';
continue;
}
}
} while (cc != quotation);
} else if (cc == c) {
stack++;
} else if (cc == closec) {
stack--;
}
if (stack == 0) {
brace_close_match_line = i;
brace_close_match_column = j;
brace_close_matching = true;
break;
}
}
if (brace_close_match_line != -1) {
break;
}
}
if (!brace_close_matching) {
brace_close_mismatch = true;
}
}
}
}
// Get the highlighted words.
String highlighted_text = get_selected_text();
// Check if highlighted words contain only whitespaces (tabs or spaces).
bool only_whitespaces_highlighted = highlighted_text.strip_edges() == String();
const int caret_wrap_index = get_caret_wrap_index();
int first_visible_line = get_first_visible_line() - 1;
int draw_amount = visible_rows + (smooth_scroll_enabled ? 1 : 0);
draw_amount += get_line_wrap_count(first_visible_line + 1);
// Draw minimap.
if (draw_minimap) {
int minimap_visible_lines = get_minimap_visible_lines();
int minimap_line_height = (minimap_char_size.y + minimap_line_spacing);
int minimap_tab_size = minimap_char_size.x * text.get_tab_size();
// calculate viewport size and y offset
int viewport_height = (draw_amount - 1) * minimap_line_height;
int control_height = _get_control_height() - viewport_height;
int viewport_offset_y = round(get_scroll_pos_for_line(first_visible_line + 1) * control_height) / ((v_scroll->get_max() <= minimap_visible_lines) ? (minimap_visible_lines - draw_amount) : (v_scroll->get_max() - draw_amount));
// calculate the first line.
int num_lines_before = round((viewport_offset_y) / minimap_line_height);
int minimap_line = (v_scroll->get_max() <= minimap_visible_lines) ? -1 : first_visible_line;
if (minimap_line >= 0) {
minimap_line -= get_next_visible_line_index_offset_from(first_visible_line, 0, -num_lines_before).x;
minimap_line -= (minimap_line > 0 && smooth_scroll_enabled ? 1 : 0);
}
int minimap_draw_amount = minimap_visible_lines + get_line_wrap_count(minimap_line + 1);
// Draw the minimap.
// Add visual feedback when dragging or hovering the the visible area rectangle.
float viewport_alpha;
if (dragging_minimap) {
viewport_alpha = 0.25;
} else if (hovering_minimap) {
viewport_alpha = 0.175;
} else {
viewport_alpha = 0.1;
}
const Color viewport_color = (background_color.get_v() < 0.5) ? Color(1, 1, 1, viewport_alpha) : Color(0, 0, 0, viewport_alpha);
if (rtl) {
RenderingServer::get_singleton()->canvas_item_add_rect(ci, Rect2(size.width - (xmargin_end + 2) - minimap_width, viewport_offset_y, minimap_width, viewport_height), viewport_color);
} else {
RenderingServer::get_singleton()->canvas_item_add_rect(ci, Rect2((xmargin_end + 2), viewport_offset_y, minimap_width, viewport_height), viewport_color);
}
for (int i = 0; i < minimap_draw_amount; i++) {
minimap_line++;
if (minimap_line < 0 || minimap_line >= (int)text.size()) {
break;
}
while (_is_line_hidden(minimap_line)) {
minimap_line++;
if (minimap_line < 0 || minimap_line >= (int)text.size()) {
break;
}
}
if (minimap_line < 0 || minimap_line >= (int)text.size()) {
break;
}
Dictionary color_map = _get_line_syntax_highlighting(minimap_line);
Color line_background_color = text.get_line_background_color(minimap_line);
line_background_color.a *= 0.6;
Color current_color = font_color;
if (!editable) {
current_color = font_readonly_color;
}
Vector<String> wrap_rows = get_line_wrapped_text(minimap_line);
int line_wrap_amount = get_line_wrap_count(minimap_line);
int last_wrap_column = 0;
for (int line_wrap_index = 0; line_wrap_index < line_wrap_amount + 1; line_wrap_index++) {
if (line_wrap_index != 0) {
i++;
if (i >= minimap_draw_amount) {
break;
}
}
const String &str = wrap_rows[line_wrap_index];
int indent_px = line_wrap_index != 0 ? get_indent_level(minimap_line) : 0;
if (indent_px >= wrap_at_column) {
indent_px = 0;
}
indent_px = minimap_char_size.x * indent_px;
if (line_wrap_index > 0) {
last_wrap_column += wrap_rows[line_wrap_index - 1].length();
}
if (minimap_line == caret.line && caret_wrap_index == line_wrap_index && highlight_current_line) {
if (rtl) {
RenderingServer::get_singleton()->canvas_item_add_rect(ci, Rect2(size.width - (xmargin_end + 2) - minimap_width, i * 3, minimap_width, 2), current_line_color);
} else {
RenderingServer::get_singleton()->canvas_item_add_rect(ci, Rect2((xmargin_end + 2), i * 3, minimap_width, 2), current_line_color);
}
} else if (line_background_color != Color(0, 0, 0, 0)) {
if (rtl) {
RenderingServer::get_singleton()->canvas_item_add_rect(ci, Rect2(size.width - (xmargin_end + 2) - minimap_width, i * 3, minimap_width, 2), line_background_color);
} else {
RenderingServer::get_singleton()->canvas_item_add_rect(ci, Rect2((xmargin_end + 2), i * 3, minimap_width, 2), line_background_color);
}
}
Color previous_color;
int characters = 0;
int tabs = 0;
for (int j = 0; j < str.length(); j++) {
const Variant *color_data = color_map.getptr(last_wrap_column + j);
if (color_data != nullptr) {
current_color = (color_data->operator Dictionary()).get("color", font_color);
if (!editable) {
current_color.a = font_readonly_color.a;
}
}
color = current_color;
if (j == 0) {
previous_color = color;
}
int xpos = indent_px + ((xmargin_end + minimap_char_size.x) + (minimap_char_size.x * j)) + tabs;
bool out_of_bounds = (xpos >= xmargin_end + minimap_width);
bool is_whitespace = _is_whitespace(str[j]);
if (!is_whitespace) {
characters++;
if (j < str.length() - 1 && color == previous_color && !out_of_bounds) {
continue;
}
// If we've changed colour we are at the start of a new section, therefore we need to go back to the end
// of the previous section to draw it, we'll also add the character back on.
if (color != previous_color) {
characters--;
j--;
if (str[j] == '\t') {
tabs -= minimap_tab_size;
}
}
}
if (characters > 0) {
previous_color.a *= 0.6;
// take one for zero indexing, and if we hit whitespace / the end of a word.
int chars = MAX(0, (j - (characters - 1)) - (is_whitespace ? 1 : 0)) + 1;
int char_x_ofs = indent_px + ((xmargin_end + minimap_char_size.x) + (minimap_char_size.x * chars)) + tabs;
if (rtl) {
RenderingServer::get_singleton()->canvas_item_add_rect(ci, Rect2(Point2(size.width - char_x_ofs - minimap_char_size.x * characters, minimap_line_height * i), Point2(minimap_char_size.x * characters, minimap_char_size.y)), previous_color);
} else {
RenderingServer::get_singleton()->canvas_item_add_rect(ci, Rect2(Point2(char_x_ofs, minimap_line_height * i), Point2(minimap_char_size.x * characters, minimap_char_size.y)), previous_color);
}
}
if (out_of_bounds) {
break;
}
if (str[j] == '\t') {
tabs += minimap_tab_size;
}
previous_color = color;
characters = 0;
}
}
}
}
int top_limit_y = 0;
int bottom_limit_y = get_size().height;
if (!editable) {
top_limit_y += style_readonly->get_margin(SIDE_TOP);
bottom_limit_y -= style_readonly->get_margin(SIDE_BOTTOM);
} else {
top_limit_y += style_normal->get_margin(SIDE_TOP);
bottom_limit_y -= style_normal->get_margin(SIDE_BOTTOM);
}
// Draw main text.
caret.visible = false;
line_drawing_cache.clear();
int row_height = get_line_height();
int line = first_visible_line;
for (int i = 0; i < draw_amount; i++) {
line++;
if (line < 0 || line >= (int)text.size()) {
continue;
}
while (_is_line_hidden(line)) {
line++;
if (line < 0 || line >= (int)text.size()) {
break;
}
}
if (line < 0 || line >= (int)text.size()) {
continue;
}
LineDrawingCache cache_entry;
Dictionary color_map = _get_line_syntax_highlighting(line);
// Ensure we at least use the font color.
Color current_color = !editable ? font_readonly_color : font_color;
const Ref<TextParagraph> ldata = text.get_line_data(line);
Vector<String> wrap_rows = get_line_wrapped_text(line);
int line_wrap_amount = get_line_wrap_count(line);
for (int line_wrap_index = 0; line_wrap_index <= line_wrap_amount; line_wrap_index++) {
if (line_wrap_index != 0) {
i++;
if (i >= draw_amount) {
break;
}
}
const String &str = wrap_rows[line_wrap_index];
int char_margin = xmargin_beg - caret.x_ofs;
int ofs_x = 0;
int ofs_y = 0;
if (!editable) {
ofs_x = style_readonly->get_offset().x / 2;
ofs_x -= style_normal->get_offset().x / 2;
ofs_y = style_readonly->get_offset().y / 2;
} else {
ofs_y = style_normal->get_offset().y / 2;
}
ofs_y += i * row_height + line_spacing / 2;
ofs_y -= caret.wrap_ofs * row_height;
ofs_y -= _get_v_scroll_offset() * row_height;
bool clipped = false;
if (ofs_y + row_height < top_limit_y) {
// Line is outside the top margin, clip current line.
// Still need to go through the process to prepare color changes for next lines.
clipped = true;
}
if (ofs_y > bottom_limit_y) {
// Line is outside the bottom margin, clip any remaining text.
i = draw_amount;
break;
}
if (text.get_line_background_color(line) != Color(0, 0, 0, 0)) {
if (rtl) {
RenderingServer::get_singleton()->canvas_item_add_rect(ci, Rect2(size.width - ofs_x - xmargin_end, ofs_y, xmargin_end - xmargin_beg, row_height), text.get_line_background_color(line));
} else {
RenderingServer::get_singleton()->canvas_item_add_rect(ci, Rect2(xmargin_beg + ofs_x, ofs_y, xmargin_end - xmargin_beg, row_height), text.get_line_background_color(line));
}
}
if (str.length() == 0) {
// Draw line background if empty as we won't loop at all.
if (line == caret.line && caret_wrap_index == line_wrap_index && highlight_current_line) {
if (rtl) {
RenderingServer::get_singleton()->canvas_item_add_rect(ci, Rect2(size.width - ofs_x - xmargin_end, ofs_y, xmargin_end, row_height), current_line_color);
} else {
RenderingServer::get_singleton()->canvas_item_add_rect(ci, Rect2(ofs_x, ofs_y, xmargin_end, row_height), current_line_color);
}
}
// Give visual indication of empty selected line.
if (selection.active && line >= selection.from_line && line <= selection.to_line && char_margin >= xmargin_beg) {
int char_w = font->get_char_size(' ', 0, font_size).width;
if (rtl) {
RenderingServer::get_singleton()->canvas_item_add_rect(ci, Rect2(size.width - xmargin_beg - ofs_x - char_w, ofs_y, char_w, row_height), selection_color);
} else {
RenderingServer::get_singleton()->canvas_item_add_rect(ci, Rect2(xmargin_beg + ofs_x, ofs_y, char_w, row_height), selection_color);
}
}
} else {
// If it has text, then draw current line marker in the margin, as line number etc will draw over it, draw the rest of line marker later.
if (line == caret.line && caret_wrap_index == line_wrap_index && highlight_current_line) {
if (rtl) {
RenderingServer::get_singleton()->canvas_item_add_rect(ci, Rect2(size.width - ofs_x - xmargin_end, ofs_y, xmargin_end, row_height), current_line_color);
} else {
RenderingServer::get_singleton()->canvas_item_add_rect(ci, Rect2(ofs_x, ofs_y, xmargin_end, row_height), current_line_color);
}
}
}
if (line_wrap_index == 0) {
// Only do these if we are on the first wrapped part of a line.
cache_entry.y_offset = ofs_y;
int gutter_offset = style_normal->get_margin(SIDE_LEFT);
for (int g = 0; g < gutters.size(); g++) {
const GutterInfo gutter = gutters[g];
if (!gutter.draw || gutter.width <= 0) {
continue;
}
switch (gutter.type) {
case GUTTER_TYPE_STRING: {
const String &text = get_line_gutter_text(line, g);
if (text == "") {
break;
}
Ref<TextLine> tl;
tl.instantiate();
tl->add_string(text, font, font_size);
int yofs = ofs_y + (row_height - tl->get_size().y) / 2;
if (outline_size > 0 && outline_color.a > 0) {
tl->draw_outline(ci, Point2(gutter_offset + ofs_x, yofs), outline_size, outline_color);
}
tl->draw(ci, Point2(gutter_offset + ofs_x, yofs), get_line_gutter_item_color(line, g));
} break;
case GUTTER_TYPE_ICON: {
const Ref<Texture2D> icon = get_line_gutter_icon(line, g);
if (icon.is_null()) {
break;
}
Rect2 gutter_rect = Rect2(Point2i(gutter_offset, ofs_y), Size2i(gutter.width, row_height));
int horizontal_padding = gutter_rect.size.x / 6;
int vertical_padding = gutter_rect.size.y / 6;
gutter_rect.position += Point2(horizontal_padding, vertical_padding);
gutter_rect.size -= Point2(horizontal_padding, vertical_padding) * 2;
// Correct icon aspect ratio.
float icon_ratio = icon->get_width() / icon->get_height();
float gutter_ratio = gutter_rect.size.x / gutter_rect.size.y;
if (gutter_ratio > icon_ratio) {
gutter_rect.size.x = floor(icon->get_width() * (gutter_rect.size.y / icon->get_height()));
} else {
gutter_rect.size.y = floor(icon->get_height() * (gutter_rect.size.x / icon->get_width()));
}
if (rtl) {
gutter_rect.position.x = size.width - gutter_rect.position.x - gutter_rect.size.x;
}
icon->draw_rect(ci, gutter_rect, false, get_line_gutter_item_color(line, g));
} break;
case GUTTER_TYPE_CUSTOM: {
if (gutter.custom_draw_obj.is_valid()) {
Object *cdo = ObjectDB::get_instance(gutter.custom_draw_obj);
if (cdo) {
Rect2i gutter_rect = Rect2i(Point2i(gutter_offset, ofs_y), Size2i(gutter.width, row_height));
if (rtl) {
gutter_rect.position.x = size.width - gutter_rect.position.x - gutter_rect.size.x;
}
cdo->call(gutter.custom_draw_callback, line, g, Rect2(gutter_rect));
}
}
} break;
}
gutter_offset += gutter.width;
}
}
// Draw line.
RID rid = ldata->get_line_rid(line_wrap_index);
float text_height = TS->shaped_text_get_size(rid).y + font->get_spacing(TextServer::SPACING_TOP) + font->get_spacing(TextServer::SPACING_BOTTOM);
if (rtl) {
char_margin = size.width - char_margin - TS->shaped_text_get_size(rid).x;
}
if (!clipped && selection.active && line >= selection.from_line && line <= selection.to_line) { // Selection
int sel_from = (line > selection.from_line) ? TS->shaped_text_get_range(rid).x : selection.from_column;
int sel_to = (line < selection.to_line) ? TS->shaped_text_get_range(rid).y : selection.to_column;
Vector<Vector2> sel = TS->shaped_text_get_selection(rid, sel_from, sel_to);
for (int j = 0; j < sel.size(); j++) {
Rect2 rect = Rect2(sel[j].x + char_margin + ofs_x, ofs_y, sel[j].y - sel[j].x, row_height);
if (rect.position.x + rect.size.x <= xmargin_beg || rect.position.x > xmargin_end) {
continue;
}
if (rect.position.x < xmargin_beg) {
rect.size.x -= (xmargin_beg - rect.position.x);
rect.position.x = xmargin_beg;
}
if (rect.position.x + rect.size.x > xmargin_end) {
rect.size.x = xmargin_end - rect.position.x;
}
draw_rect(rect, selection_color, true);
}
}
int start = TS->shaped_text_get_range(rid).x;
if (!clipped && !search_text.is_empty()) { // Search highhlight
int search_text_col = _get_column_pos_of_word(search_text, str, search_flags, 0);
while (search_text_col != -1) {
Vector<Vector2> sel = TS->shaped_text_get_selection(rid, search_text_col + start, search_text_col + search_text.length() + start);
for (int j = 0; j < sel.size(); j++) {
Rect2 rect = Rect2(sel[j].x + char_margin + ofs_x, ofs_y, sel[j].y - sel[j].x, row_height);
if (rect.position.x + rect.size.x <= xmargin_beg || rect.position.x > xmargin_end) {
continue;
}
if (rect.position.x < xmargin_beg) {
rect.size.x -= (xmargin_beg - rect.position.x);
rect.position.x = xmargin_beg;
} else if (rect.position.x + rect.size.x > xmargin_end) {
rect.size.x = xmargin_end - rect.position.x;
}
draw_rect(rect, search_result_color, true);
draw_rect(rect, search_result_border_color, false);
}
search_text_col = _get_column_pos_of_word(search_text, str, search_flags, search_text_col + 1);
}
}
if (!clipped && highlight_all_occurrences && !only_whitespaces_highlighted && !highlighted_text.is_empty()) { // Highlight
int highlighted_text_col = _get_column_pos_of_word(highlighted_text, str, SEARCH_MATCH_CASE | SEARCH_WHOLE_WORDS, 0);
while (highlighted_text_col != -1) {
Vector<Vector2> sel = TS->shaped_text_get_selection(rid, highlighted_text_col + start, highlighted_text_col + highlighted_text.length() + start);
for (int j = 0; j < sel.size(); j++) {
Rect2 rect = Rect2(sel[j].x + char_margin + ofs_x, ofs_y, sel[j].y - sel[j].x, row_height);
if (rect.position.x + rect.size.x <= xmargin_beg || rect.position.x > xmargin_end) {
continue;
}
if (rect.position.x < xmargin_beg) {
rect.size.x -= (xmargin_beg - rect.position.x);
rect.position.x = xmargin_beg;
} else if (rect.position.x + rect.size.x > xmargin_end) {
rect.size.x = xmargin_end - rect.position.x;
}
draw_rect(rect, word_highlighted_color);
}
highlighted_text_col = _get_column_pos_of_word(highlighted_text, str, SEARCH_MATCH_CASE | SEARCH_WHOLE_WORDS, highlighted_text_col + 1);
}
}
if (!clipped && lookup_symbol_word.length() != 0) { // Highlight word
if (_is_char(lookup_symbol_word[0]) || lookup_symbol_word[0] == '.') {
int highlighted_word_col = _get_column_pos_of_word(lookup_symbol_word, str, SEARCH_MATCH_CASE | SEARCH_WHOLE_WORDS, 0);
while (highlighted_word_col != -1) {
Vector<Vector2> sel = TS->shaped_text_get_selection(rid, highlighted_word_col + start, highlighted_word_col + lookup_symbol_word.length() + start);
for (int j = 0; j < sel.size(); j++) {
Rect2 rect = Rect2(sel[j].x + char_margin + ofs_x, ofs_y, sel[j].y - sel[j].x, row_height);
if (rect.position.x + rect.size.x <= xmargin_beg || rect.position.x > xmargin_end) {
continue;
}
if (rect.position.x < xmargin_beg) {
rect.size.x -= (xmargin_beg - rect.position.x);
rect.position.x = xmargin_beg;
} else if (rect.position.x + rect.size.x > xmargin_end) {
rect.size.x = xmargin_end - rect.position.x;
}
rect.position.y = TS->shaped_text_get_ascent(rid) + font->get_underline_position(font_size);
rect.size.y = font->get_underline_thickness(font_size);
draw_rect(rect, font_selected_color);
}
highlighted_word_col = _get_column_pos_of_word(lookup_symbol_word, str, SEARCH_MATCH_CASE | SEARCH_WHOLE_WORDS, highlighted_word_col + 1);
}
}
}
ofs_y += (row_height - text_height) / 2;
const Glyph *glyphs = TS->shaped_text_get_glyphs(rid);
int gl_size = TS->shaped_text_get_glyph_count(rid);
ofs_y += ldata->get_line_ascent(line_wrap_index);
int first_visible_char = TS->shaped_text_get_range(rid).y;
int last_visible_char = TS->shaped_text_get_range(rid).x;
int char_ofs = 0;
if (outline_size > 0 && outline_color.a > 0) {
for (int j = 0; j < gl_size; j++) {
for (int k = 0; k < glyphs[j].repeat; k++) {
if ((char_ofs + char_margin) >= xmargin_beg && (char_ofs + glyphs[j].advance + char_margin) <= xmargin_end) {
if (glyphs[j].font_rid != RID()) {
TS->font_draw_glyph_outline(glyphs[j].font_rid, ci, glyphs[j].font_size, outline_size, Vector2(char_margin + char_ofs + ofs_x + glyphs[j].x_off, ofs_y + glyphs[j].y_off), glyphs[j].index, outline_color);
}
}
char_ofs += glyphs[j].advance;
}
if ((char_ofs + char_margin) >= xmargin_end) {
break;
}
}
char_ofs = 0;
}
for (int j = 0; j < gl_size; j++) {
const Variant *color_data = color_map.getptr(glyphs[j].start);
if (color_data != nullptr) {
current_color = (color_data->operator Dictionary()).get("color", font_color);
if (!editable && current_color.a > font_readonly_color.a) {
current_color.a = font_readonly_color.a;
}
}
if (selection.active && line >= selection.from_line && line <= selection.to_line) { // Selection
int sel_from = (line > selection.from_line) ? TS->shaped_text_get_range(rid).x : selection.from_column;
int sel_to = (line < selection.to_line) ? TS->shaped_text_get_range(rid).y : selection.to_column;
if (glyphs[j].start >= sel_from && glyphs[j].end <= sel_to && override_selected_font_color) {
current_color = font_selected_color;
}
}
int char_pos = char_ofs + char_margin + ofs_x;
if (char_pos >= xmargin_beg) {
if (highlight_matching_braces_enabled) {
if ((brace_open_match_line == line && brace_open_match_column == glyphs[j].start) ||
(caret.column == glyphs[j].start && caret.line == line && caret_wrap_index == line_wrap_index && (brace_open_matching || brace_open_mismatch))) {
if (brace_open_mismatch) {
current_color = brace_mismatch_color;
}
Rect2 rect = Rect2(char_pos, ofs_y + font->get_underline_position(font_size), glyphs[j].advance * glyphs[j].repeat, font->get_underline_thickness(font_size));
draw_rect(rect, current_color);
}
if ((brace_close_match_line == line && brace_close_match_column == glyphs[j].start) ||
(caret.column == glyphs[j].start + 1 && caret.line == line && caret_wrap_index == line_wrap_index && (brace_close_matching || brace_close_mismatch))) {
if (brace_close_mismatch) {
current_color = brace_mismatch_color;
}
Rect2 rect = Rect2(char_pos, ofs_y + font->get_underline_position(font_size), glyphs[j].advance * glyphs[j].repeat, font->get_underline_thickness(font_size));
draw_rect(rect, current_color);
}
}
if (draw_tabs && ((glyphs[j].flags & TextServer::GRAPHEME_IS_TAB) == TextServer::GRAPHEME_IS_TAB)) {
int yofs = (text_height - tab_icon->get_height()) / 2 - ldata->get_line_ascent(line_wrap_index);
tab_icon->draw(ci, Point2(char_pos, ofs_y + yofs), current_color);
} else if (draw_spaces && ((glyphs[j].flags & TextServer::GRAPHEME_IS_SPACE) == TextServer::GRAPHEME_IS_SPACE)) {
int yofs = (text_height - space_icon->get_height()) / 2 - ldata->get_line_ascent(line_wrap_index);
int xofs = (glyphs[j].advance * glyphs[j].repeat - space_icon->get_width()) / 2;
space_icon->draw(ci, Point2(char_pos + xofs, ofs_y + yofs), current_color);
}
}
bool had_glyphs_drawn = false;
for (int k = 0; k < glyphs[j].repeat; k++) {
if (!clipped && (char_ofs + char_margin) >= xmargin_beg && (char_ofs + glyphs[j].advance + char_margin) <= xmargin_end) {
if (glyphs[j].font_rid != RID()) {
TS->font_draw_glyph(glyphs[j].font_rid, ci, glyphs[j].font_size, Vector2(char_margin + char_ofs + ofs_x + glyphs[j].x_off, ofs_y + glyphs[j].y_off), glyphs[j].index, current_color);
had_glyphs_drawn = true;
} else if ((glyphs[j].flags & TextServer::GRAPHEME_IS_VIRTUAL) != TextServer::GRAPHEME_IS_VIRTUAL) {
TS->draw_hex_code_box(ci, glyphs[j].font_size, Vector2(char_margin + char_ofs + ofs_x + glyphs[j].x_off, ofs_y + glyphs[j].y_off), glyphs[j].index, current_color);
had_glyphs_drawn = true;
}
}
char_ofs += glyphs[j].advance;
}
if (had_glyphs_drawn) {
if (first_visible_char > glyphs[j].start) {
first_visible_char = glyphs[j].start;
} else if (last_visible_char < glyphs[j].end) {
last_visible_char = glyphs[j].end;
}
}
if ((char_ofs + char_margin) >= xmargin_end) {
break;
}
}
cache_entry.first_visible_chars.push_back(first_visible_char);
cache_entry.last_visible_chars.push_back(last_visible_char);
// is_line_folded
if (line_wrap_index == line_wrap_amount && line < text.size() - 1 && _is_line_hidden(line + 1)) {
int xofs = char_ofs + char_margin + ofs_x + (folded_eol_icon->get_width() / 2);
if (xofs >= xmargin_beg && xofs < xmargin_end) {
int yofs = (text_height - folded_eol_icon->get_height()) / 2 - ldata->get_line_ascent(line_wrap_index);
Color eol_color = code_folding_color;
eol_color.a = 1;
folded_eol_icon->draw(ci, Point2(xofs, ofs_y + yofs), eol_color);
}
}
// Carets.
int caret_width = Math::round(1 * get_theme_default_base_scale());
if (!clipped && caret.line == line && line_wrap_index == caret_wrap_index) {
caret.draw_pos.y = ofs_y + ldata->get_line_descent(line_wrap_index);
if (ime_text.length() == 0) {
CaretInfo ts_caret;
if (str.length() != 0) {
// Get carets.
ts_caret = TS->shaped_text_get_carets(rid, caret.column);
} else {
// No carets, add one at the start.
int h = font->get_height(font_size);
if (rtl) {
ts_caret.l_dir = TextServer::DIRECTION_RTL;
ts_caret.l_caret = Rect2(Vector2(xmargin_end - char_margin + ofs_x, -h / 2), Size2(caret_width * 4, h));
} else {
ts_caret.l_dir = TextServer::DIRECTION_LTR;
ts_caret.l_caret = Rect2(Vector2(char_ofs, -h / 2), Size2(caret_width * 4, h));
}
}
if ((ts_caret.l_caret != Rect2() && (ts_caret.l_dir == TextServer::DIRECTION_AUTO || ts_caret.l_dir == (TextServer::Direction)input_direction)) || (ts_caret.t_caret == Rect2())) {
caret.draw_pos.x = char_margin + ofs_x + ts_caret.l_caret.position.x;
} else {
caret.draw_pos.x = char_margin + ofs_x + ts_caret.t_caret.position.x;
}
if (caret.draw_pos.x >= xmargin_beg && caret.draw_pos.x < xmargin_end) {
caret.visible = true;
if (draw_caret || drag_caret_force_displayed) {
if (caret_type == CaretType::CARET_TYPE_BLOCK || overtype_mode) {
//Block or underline caret, draw trailing carets at full height.
int h = font->get_height(font_size);
if (ts_caret.t_caret != Rect2()) {
if (overtype_mode) {
ts_caret.t_caret.position.y = TS->shaped_text_get_descent(rid);
ts_caret.t_caret.size.y = caret_width;
} else {
ts_caret.t_caret.position.y = -TS->shaped_text_get_ascent(rid);
ts_caret.t_caret.size.y = h;
}
ts_caret.t_caret.position += Vector2(char_margin + ofs_x, ofs_y);
draw_rect(ts_caret.t_caret, caret_color, overtype_mode);
if (ts_caret.l_caret != Rect2() && ts_caret.l_dir != ts_caret.t_dir) {
ts_caret.l_caret.position += Vector2(char_margin + ofs_x, ofs_y);
ts_caret.l_caret.size.x = caret_width;
draw_rect(ts_caret.l_caret, caret_color * Color(1, 1, 1, 0.5));
}
} else { // End of the line.
if (gl_size > 0) {
// Adjust for actual line dimensions.
if (overtype_mode) {
ts_caret.l_caret.position.y = TS->shaped_text_get_descent(rid);
ts_caret.l_caret.size.y = caret_width;
} else {
ts_caret.l_caret.position.y = -TS->shaped_text_get_ascent(rid);
ts_caret.l_caret.size.y = h;
}
} else if (overtype_mode) {
ts_caret.l_caret.position.y += ts_caret.l_caret.size.y;
ts_caret.l_caret.size.y = caret_width;
}
if (ts_caret.l_caret.position.x >= TS->shaped_text_get_size(rid).x) {
ts_caret.l_caret.size.x = font->get_char_size('m', 0, font_size).x;
} else {
ts_caret.l_caret.size.x = 3 * caret_width;
}
ts_caret.l_caret.position += Vector2(char_margin + ofs_x, ofs_y);
if (ts_caret.l_dir == TextServer::DIRECTION_RTL) {
ts_caret.l_caret.position.x -= ts_caret.l_caret.size.x;
}
draw_rect(ts_caret.l_caret, caret_color, overtype_mode);
}
} else {
// Normal caret.
if (ts_caret.l_caret != Rect2() && ts_caret.l_dir == TextServer::DIRECTION_AUTO) {
// Draw extra marker on top of mid caret.
Rect2 trect = Rect2(ts_caret.l_caret.position.x - 3 * caret_width, ts_caret.l_caret.position.y, 6 * caret_width, caret_width);
trect.position += Vector2(char_margin + ofs_x, ofs_y);
RenderingServer::get_singleton()->canvas_item_add_rect(ci, trect, caret_color);
}
ts_caret.l_caret.position += Vector2(char_margin + ofs_x, ofs_y);
ts_caret.l_caret.size.x = caret_width;
draw_rect(ts_caret.l_caret, caret_color);
ts_caret.t_caret.position += Vector2(char_margin + ofs_x, ofs_y);
ts_caret.t_caret.size.x = caret_width;
draw_rect(ts_caret.t_caret, caret_color);
}
}
}
} else {
{
// IME Intermediate text range.
Vector<Vector2> sel = TS->shaped_text_get_selection(rid, caret.column, caret.column + ime_text.length());
for (int j = 0; j < sel.size(); j++) {
Rect2 rect = Rect2(sel[j].x + char_margin + ofs_x, ofs_y, sel[j].y - sel[j].x, text_height);
if (rect.position.x + rect.size.x <= xmargin_beg || rect.position.x > xmargin_end) {
continue;
}
if (rect.position.x < xmargin_beg) {
rect.size.x -= (xmargin_beg - rect.position.x);
rect.position.x = xmargin_beg;
} else if (rect.position.x + rect.size.x > xmargin_end) {
rect.size.x = xmargin_end - rect.position.x;
}
rect.size.y = caret_width;
draw_rect(rect, caret_color);
caret.draw_pos.x = rect.position.x;
}
}
{
// IME caret.
Vector<Vector2> sel = TS->shaped_text_get_selection(rid, caret.column + ime_selection.x, caret.column + ime_selection.x + ime_selection.y);
for (int j = 0; j < sel.size(); j++) {
Rect2 rect = Rect2(sel[j].x + char_margin + ofs_x, ofs_y, sel[j].y - sel[j].x, text_height);
if (rect.position.x + rect.size.x <= xmargin_beg || rect.position.x > xmargin_end) {
continue;
}
if (rect.position.x < xmargin_beg) {
rect.size.x -= (xmargin_beg - rect.position.x);
rect.position.x = xmargin_beg;
} else if (rect.position.x + rect.size.x > xmargin_end) {
rect.size.x = xmargin_end - rect.position.x;
}
rect.size.y = caret_width * 3;
draw_rect(rect, caret_color);
caret.draw_pos.x = rect.position.x;
}
}
}
}
}
line_drawing_cache[line] = cache_entry;
}
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());
DisplayServer::get_singleton()->window_set_ime_position(get_global_position() + caret.draw_pos, get_viewport()->get_window_id());
}
}
} break;
case NOTIFICATION_FOCUS_ENTER: {
if (caret_blink_enabled) {
caret_blink_timer->start();
} else {
draw_caret = true;
}
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());
DisplayServer::get_singleton()->window_set_ime_position(get_global_position() + get_caret_draw_pos(), get_viewport()->get_window_id());
}
if (DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_VIRTUAL_KEYBOARD) && virtual_keyboard_enabled) {
int caret_start = -1;
int caret_end = -1;
if (!selection.active) {
String full_text = _base_get_text(0, 0, caret.line, caret.column);
caret_start = full_text.length();
} else {
String pre_text = _base_get_text(0, 0, selection.from_line, selection.from_column);
String post_text = get_selected_text();
caret_start = pre_text.length();
caret_end = caret_start + post_text.length();
}
DisplayServer::get_singleton()->virtual_keyboard_show(get_text(), get_global_rect(), true, -1, caret_start, caret_end);
}
} break;
case NOTIFICATION_FOCUS_EXIT: {
if (caret_blink_enabled) {
caret_blink_timer->stop();
}
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();
text.invalidate_cache(caret.line, caret.column, ime_text);
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();
String t;
if (caret.column >= 0) {
t = text[caret.line].substr(0, caret.column) + ime_text + text[caret.line].substr(caret.column, text[caret.line].length());
} else {
t = ime_text;
}
text.invalidate_cache(caret.line, caret.column, t, structured_text_parser(st_parser, st_args, t));
update();
}
} break;
case Control::NOTIFICATION_DRAG_BEGIN: {
selection.selecting_mode = SelectionMode::SELECTION_MODE_NONE;
drag_action = true;
dragging_minimap = false;
dragging_selection = false;
can_drag_minimap = false;
click_select_held->stop();
} break;
case Control::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)) {
delete_selection();
} else if (deselect_on_focus_loss_enabled) {
deselect();
}
}
} else {
selection.drag_attempt = false;
}
drag_action = false;
drag_caret_force_displayed = false;
} break;
}
}
void TextEdit::gui_input(const Ref<InputEvent> &p_gui_input) {
ERR_FAIL_COND(p_gui_input.is_null());
double prev_v_scroll = v_scroll->get_value();
double prev_h_scroll = h_scroll->get_value();
Ref<InputEventMouseButton> mb = p_gui_input;
if (mb.is_valid()) {
Vector2i mpos = mb->get_position();
if (is_layout_rtl()) {
mpos.x = get_size().x - mpos.x;
}
if (ime_text.length() != 0) {
// Ignore mouse clicks in IME input mode.
return;
}
if (mb->is_pressed()) {
if (mb->get_button_index() == MouseButton::WHEEL_UP && !mb->is_command_pressed()) {
if (mb->is_shift_pressed()) {
h_scroll->set_value(h_scroll->get_value() - (100 * mb->get_factor()));
} else if (mb->is_alt_pressed()) {
// Scroll 5 times as fast as normal (like in Visual Studio Code).
_scroll_up(15 * mb->get_factor());
} else if (v_scroll->is_visible()) {
// Scroll 3 lines.
_scroll_up(3 * mb->get_factor());
}
}
if (mb->get_button_index() == MouseButton::WHEEL_DOWN && !mb->is_command_pressed()) {
if (mb->is_shift_pressed()) {
h_scroll->set_value(h_scroll->get_value() + (100 * mb->get_factor()));
} else if (mb->is_alt_pressed()) {
// Scroll 5 times as fast as normal (like in Visual Studio Code).
_scroll_down(15 * mb->get_factor());
} else if (v_scroll->is_visible()) {
// Scroll 3 lines.
_scroll_down(3 * mb->get_factor());
}
}
if (mb->get_button_index() == MouseButton::WHEEL_LEFT) {
h_scroll->set_value(h_scroll->get_value() - (100 * mb->get_factor()));
}
if (mb->get_button_index() == MouseButton::WHEEL_RIGHT) {
h_scroll->set_value(h_scroll->get_value() + (100 * mb->get_factor()));
}
if (mb->get_button_index() == MouseButton::LEFT) {
_reset_caret_blink_timer();
Point2i pos = get_line_column_at_pos(mpos);
int row = pos.y;
int col = pos.x;
int left_margin = style_normal->get_margin(SIDE_LEFT);
for (int i = 0; i < gutters.size(); i++) {
if (!gutters[i].draw || gutters[i].width <= 0) {
continue;
}
if (mpos.x > left_margin && mpos.x <= (left_margin + gutters[i].width) - 3) {
emit_signal(SNAME("gutter_clicked"), row, i);
return;
}
left_margin += gutters[i].width;
}
// minimap
if (draw_minimap) {
_update_minimap_click();
if (dragging_minimap) {
return;
}
}
int prev_col = caret.column;
int prev_line = caret.line;
set_caret_line(row, false, false);
set_caret_column(col);
selection.drag_attempt = false;
if (mb->is_shift_pressed() && (caret.column != prev_col || caret.line != prev_line)) {
if (!selection.active) {
selection.active = true;
selection.selecting_mode = SelectionMode::SELECTION_MODE_POINTER;
selection.from_column = prev_col;
selection.from_line = prev_line;
selection.to_column = caret.column;
selection.to_line = caret.line;
if (selection.from_line > selection.to_line || (selection.from_line == selection.to_line && selection.from_column > selection.to_column)) {
SWAP(selection.from_column, selection.to_column);
SWAP(selection.from_line, selection.to_line);
selection.shiftclick_left = false;
} else {
selection.shiftclick_left = true;
}
selection.selecting_line = prev_line;
selection.selecting_column = prev_col;
update();
} else {
if (caret.line < selection.selecting_line || (caret.line == selection.selecting_line && caret.column < selection.selecting_column)) {
if (selection.shiftclick_left) {
selection.shiftclick_left = !selection.shiftclick_left;
}
selection.from_column = caret.column;
selection.from_line = caret.line;
} else if (caret.line > selection.selecting_line || (caret.line == selection.selecting_line && caret.column > selection.selecting_column)) {
if (!selection.shiftclick_left) {
SWAP(selection.from_column, selection.to_column);
SWAP(selection.from_line, selection.to_line);
selection.shiftclick_left = !selection.shiftclick_left;
}
selection.to_column = caret.column;
selection.to_line = caret.line;
} else {
selection.active = false;
}
update();
}
} else if (is_mouse_over_selection()) {
selection.selecting_mode = SelectionMode::SELECTION_MODE_NONE;
selection.drag_attempt = true;
} else {
selection.active = false;
selection.selecting_mode = SelectionMode::SELECTION_MODE_POINTER;
selection.selecting_line = row;
selection.selecting_column = col;
}
const int triple_click_timeout = 600;
const int triple_click_tolerance = 5;
if (!mb->is_double_click() && (OS::get_singleton()->get_ticks_msec() - last_dblclk) < triple_click_timeout && mb->get_position().distance_to(last_dblclk_pos) < triple_click_tolerance) {
// Triple-click select line.
selection.selecting_mode = SelectionMode::SELECTION_MODE_LINE;
selection.drag_attempt = false;
_update_selection_mode_line();
last_dblclk = 0;
} else if (mb->is_double_click() && text[caret.line].length()) {
// Double-click select word.
selection.selecting_mode = SelectionMode::SELECTION_MODE_WORD;
_update_selection_mode_word();
last_dblclk = OS::get_singleton()->get_ticks_msec();
last_dblclk_pos = mb->get_position();
}
update();
}
if (is_middle_mouse_paste_enabled() && mb->get_button_index() == MouseButton::MIDDLE && DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_CLIPBOARD_PRIMARY)) {
paste_primary_clipboard();
}
if (mb->get_button_index() == MouseButton::RIGHT && context_menu_enabled) {
_reset_caret_blink_timer();
Point2i pos = get_line_column_at_pos(mpos);
int row = pos.y;
int col = pos.x;
if (is_move_caret_on_right_click_enabled()) {
if (has_selection()) {
int from_line = get_selection_from_line();
int to_line = get_selection_to_line();
int from_column = get_selection_from_column();
int to_column = get_selection_to_column();
if (row < from_line || row > to_line || (row == from_line && col < from_column) || (row == to_line && col > to_column)) {
// Right click is outside the selected text.
deselect();
}
}
if (!has_selection()) {
set_caret_line(row, true, false);
set_caret_column(col);
}
}
_generate_context_menu();
menu->set_position(get_screen_transform().xform(mpos));
menu->reset_size();
menu->popup();
grab_focus();
}
} else {
if (mb->get_button_index() == MouseButton::LEFT) {
if (selection.drag_attempt && is_mouse_over_selection()) {
selection.active = false;
}
dragging_minimap = false;
dragging_selection = false;
can_drag_minimap = false;
click_select_held->stop();
if (!drag_action) {
selection.drag_attempt = false;
}
if (DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_CLIPBOARD_PRIMARY)) {
DisplayServer::get_singleton()->clipboard_set_primary(get_selected_text());
}
}
// Notify to show soft keyboard.
notification(NOTIFICATION_FOCUS_ENTER);
}
}
const Ref<InputEventPanGesture> pan_gesture = p_gui_input;
if (pan_gesture.is_valid()) {
const real_t delta = pan_gesture->get_delta().y;
if (delta < 0) {
_scroll_up(-delta);
} else {
_scroll_down(delta);
}
h_scroll->set_value(h_scroll->get_value() + pan_gesture->get_delta().x * 100);
if (v_scroll->get_value() != prev_v_scroll || h_scroll->get_value() != prev_h_scroll) {
accept_event(); // Accept event if scroll changed.
}
return;
}
Ref<InputEventMouseMotion> mm = p_gui_input;
if (mm.is_valid()) {
Vector2i mpos = mm->get_position();
if (is_layout_rtl()) {
mpos.x = get_size().x - mpos.x;
}
if ((mm->get_button_mask() & MouseButton::MASK_LEFT) != MouseButton::NONE && get_viewport()->gui_get_drag_data() == Variant()) { // Ignore if dragging.
_reset_caret_blink_timer();
if (draw_minimap && !dragging_selection) {
_update_minimap_drag();
}
if (!dragging_minimap) {
switch (selection.selecting_mode) {
case SelectionMode::SELECTION_MODE_POINTER: {
_update_selection_mode_pointer();
} break;
case SelectionMode::SELECTION_MODE_WORD: {
_update_selection_mode_word();
} break;
case SelectionMode::SELECTION_MODE_LINE: {
_update_selection_mode_line();
} break;
default: {
break;
}
}
}
}
// Check if user is hovering a different gutter, and update if yes.
Vector2i current_hovered_gutter = Vector2i(-1, -1);
int left_margin = style_normal->get_margin(SIDE_LEFT);
if (mpos.x <= left_margin + gutters_width + gutter_padding) {
int hovered_row = get_line_column_at_pos(mpos).y;
for (int i = 0; i < gutters.size(); i++) {
if (!gutters[i].draw || gutters[i].width <= 0) {
continue;
}
if (mpos.x > left_margin && mpos.x <= (left_margin + gutters[i].width) - 3) {
// We are in this gutter i's horizontal area.
current_hovered_gutter = Vector2i(i, hovered_row);
break;
}
left_margin += gutters[i].width;
}
}
if (current_hovered_gutter != hovered_gutter) {
hovered_gutter = current_hovered_gutter;
update();
}
if (drag_action && can_drop_data(mpos, get_viewport()->gui_get_drag_data())) {
drag_caret_force_displayed = true;
Point2i pos = get_line_column_at_pos(get_local_mouse_pos());
set_caret_line(pos.y, false);
set_caret_column(pos.x);
dragging_selection = true;
}
}
if (draw_minimap && !dragging_selection) {
_update_minimap_hover();
}
if (v_scroll->get_value() != prev_v_scroll || h_scroll->get_value() != prev_h_scroll) {
accept_event(); // Accept event if scroll changed.
}
Ref<InputEventKey> k = p_gui_input;
if (k.is_valid()) {
if (!k->is_pressed()) {
return;
}
// If a modifier has been pressed, and nothing else, return.
if (k->get_keycode() == Key::CTRL || k->get_keycode() == Key::ALT || k->get_keycode() == Key::SHIFT || k->get_keycode() == Key::META) {
return;
}
_reset_caret_blink_timer();
// Allow unicode handling if:
// * No Modifiers are pressed (except shift)
bool allow_unicode_handling = !(k->is_command_pressed() || k->is_ctrl_pressed() || k->is_alt_pressed() || k->is_meta_pressed());
selection.selecting_text = false;
// Check and handle all built in shortcuts.
// NEWLINES.
if (k->is_action("ui_text_newline_above", true)) {
_new_line(false, true);
accept_event();
return;
}
if (k->is_action("ui_text_newline_blank", true)) {
_new_line(false);
accept_event();
return;
}
if (k->is_action("ui_text_newline", true)) {
_new_line();
accept_event();
return;
}
// BACKSPACE AND DELETE.
if (k->is_action("ui_text_backspace_all_to_left", true)) {
_do_backspace(false, true);
accept_event();
return;
}
if (k->is_action("ui_text_backspace_word", true)) {
_do_backspace(true);
accept_event();
return;
}
if (k->is_action("ui_text_backspace", true)) {
_do_backspace();
accept_event();
return;
}
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;
}
// SCROLLING.
if (k->is_action("ui_text_scroll_up", true)) {
_scroll_lines_up();
accept_event();
return;
}
if (k->is_action("ui_text_scroll_down", true)) {
_scroll_lines_down();
accept_event();
return;
}
// SELECT ALL, SELECT WORD UNDER CARET, CUT, COPY, PASTE.
if (k->is_action("ui_text_select_all", true)) {
select_all();
accept_event();
return;
}
if (k->is_action("ui_text_select_word_under_caret", true)) {
select_word_under_caret();
accept_event();
return;
}
if (k->is_action("ui_cut", true)) {
cut();
accept_event();
return;
}
if (k->is_action("ui_copy", true)) {
copy();
accept_event();
return;
}
if (k->is_action("ui_paste", true)) {
paste();
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;
}
// MISC.
if (k->is_action("ui_menu", true)) {
if (context_menu_enabled) {
_generate_context_menu();
adjust_viewport_to_caret();
menu->set_position(get_screen_transform().xform(get_caret_draw_pos()));
menu->reset_size();
menu->popup();
menu->grab_focus();
}
accept_event();
return;
}
if (k->is_action("ui_text_toggle_insert_mode", true)) {
set_overtype_mode_enabled(!overtype_mode);
accept_event();
return;
}
if (k->is_action("ui_swap_input_direction", true)) {
_swap_current_input_direction();
accept_event();
return;
}
// CARET 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);
// CARET MOVEMENT - LEFT, RIGHT.
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, false);
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;
}
// CARET MOVEMENT - UP, DOWN.
if (k->is_action("ui_text_caret_up", true)) {
_move_caret_up(shift_pressed);
accept_event();
return;
}
if (k->is_action("ui_text_caret_down", true)) {
_move_caret_down(shift_pressed);
accept_event();
return;
}
// CARET MOVEMENT - DOCUMENT START/END.
if (k->is_action("ui_text_caret_document_start", true)) { // && shift_pressed) {
_move_caret_document_start(shift_pressed);
accept_event();
return;
}
if (k->is_action("ui_text_caret_document_end", true)) { // && shift_pressed) {
_move_caret_document_end(shift_pressed);
accept_event();
return;
}
// CARET MOVEMENT - LINE START/END.
if (k->is_action("ui_text_caret_line_start", true)) {
_move_caret_to_line_start(shift_pressed);
accept_event();
return;
}
if (k->is_action("ui_text_caret_line_end", true)) {
_move_caret_to_line_end(shift_pressed);
accept_event();
return;
}
// CARET MOVEMENT - PAGE UP/DOWN.
if (k->is_action("ui_text_caret_page_up", true)) {
_move_caret_page_up(shift_pressed);
accept_event();
return;
}
if (k->is_action("ui_text_caret_page_down", true)) {
_move_caret_page_down(shift_pressed);
accept_event();
return;
}
// Handle Unicode (if no modifiers active). Tab has a value of 0x09.
if (allow_unicode_handling && editable && (k->get_unicode() >= 32 || k->get_keycode() == Key::TAB)) {
handle_unicode_input(k->get_unicode());
accept_event();
return;
}
}
}
/* Input actions. */
void TextEdit::_swap_current_input_direction() {
if (input_direction == TEXT_DIRECTION_LTR) {
input_direction = TEXT_DIRECTION_RTL;
} else {
input_direction = TEXT_DIRECTION_LTR;
}
set_caret_column(caret.column);
update();
}
void TextEdit::_new_line(bool p_split_current_line, bool p_above) {
if (!editable) {
return;
}
begin_complex_operation();
bool first_line = false;
if (!p_split_current_line) {
if (p_above) {
if (caret.line > 0) {
set_caret_line(caret.line - 1, false);
set_caret_column(text[caret.line].length());
} else {
set_caret_column(0);
first_line = true;
}
} else {
set_caret_column(text[caret.line].length());
}
}
insert_text_at_caret("\n");
if (first_line) {
set_caret_line(0);
}
end_complex_operation();
}
void TextEdit::_move_caret_left(bool p_select, bool p_move_by_word) {
// Handle selection
if (p_select) {
_pre_shift_selection();
} else if (selection.active && !p_move_by_word) {
// If a selection is active, move caret to start of selection
set_caret_line(selection.from_line);
set_caret_column(selection.from_column);
deselect();
return;
} else {
deselect();
}
if (p_move_by_word) {
int cc = caret.column;
if (cc == 0 && caret.line > 0) {
set_caret_line(caret.line - 1);
set_caret_column(text[caret.line].length());
} else {
PackedInt32Array words = TS->shaped_text_get_word_breaks(text.get_line_data(caret.line)->get_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 the caret is at the start of the line, and not on the first line, move it up to the end of the previous line.
if (caret.column == 0) {
if (caret.line > 0) {
set_caret_line(caret.line - get_next_visible_line_offset_from(CLAMP(caret.line - 1, 0, text.size() - 1), -1));
set_caret_column(text[caret.line].length());
}
} else {
if (caret_mid_grapheme_enabled) {
set_caret_column(get_caret_column() - 1);
} else {
set_caret_column(TS->shaped_text_prev_grapheme_pos(text.get_line_data(caret.line)->get_rid(), get_caret_column()));
}
}
}
if (p_select) {
_post_shift_selection();
}
}
void TextEdit::_move_caret_right(bool p_select, bool p_move_by_word) {
// Handle selection
if (p_select) {
_pre_shift_selection();
} else if (selection.active && !p_move_by_word) {
// If a selection is active, move caret to end of selection
set_caret_line(selection.to_line);
set_caret_column(selection.to_column);
deselect();
return;
} else {
deselect();
}
if (p_move_by_word) {
int cc = caret.column;
if (cc == text[caret.line].length() && caret.line < text.size() - 1) {
set_caret_line(caret.line + 1);
set_caret_column(0);
} else {
PackedInt32Array words = TS->shaped_text_get_word_breaks(text.get_line_data(caret.line)->get_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 we are at the end of the line, move the caret to the next line down.
if (caret.column == text[caret.line].length()) {
if (caret.line < text.size() - 1) {
set_caret_line(get_caret_line() + get_next_visible_line_offset_from(CLAMP(caret.line + 1, 0, text.size() - 1), 1), true, false);
set_caret_column(0);
}
} else {
if (caret_mid_grapheme_enabled) {
set_caret_column(get_caret_column() + 1);
} else {
set_caret_column(TS->shaped_text_next_grapheme_pos(text.get_line_data(caret.line)->get_rid(), get_caret_column()));
}
}
}
if (p_select) {
_post_shift_selection();
}
}
void TextEdit::_move_caret_up(bool p_select) {
if (p_select) {
_pre_shift_selection();
} else {
deselect();
}
int cur_wrap_index = get_caret_wrap_index();
if (cur_wrap_index > 0) {
set_caret_line(caret.line, true, false, cur_wrap_index - 1);
} else if (caret.line == 0) {
set_caret_column(0);
} else {
int new_line = caret.line - get_next_visible_line_offset_from(caret.line - 1, -1);
if (is_line_wrapped(new_line)) {
set_caret_line(new_line, true, false, get_line_wrap_count(new_line));
} else {
set_caret_line(new_line, true, false);
}
}
if (p_select) {
_post_shift_selection();
}
}
void TextEdit::_move_caret_down(bool p_select) {
if (p_select) {
_pre_shift_selection();
} else {
deselect();
}
int cur_wrap_index = get_caret_wrap_index();
if (cur_wrap_index < get_line_wrap_count(caret.line)) {
set_caret_line(caret.line, true, false, cur_wrap_index + 1);
} else if (caret.line == get_last_unhidden_line()) {
set_caret_column(text[caret.line].length());
} else {
int new_line = caret.line + get_next_visible_line_offset_from(CLAMP(caret.line + 1, 0, text.size() - 1), 1);
set_caret_line(new_line, true, false, 0);
}
if (p_select) {
_post_shift_selection();
}
}
void TextEdit::_move_caret_to_line_start(bool p_select) {
if (p_select) {
_pre_shift_selection();
} else {
deselect();
}
// Move caret column to start of wrapped row and then to start of text.
Vector<String> rows = get_line_wrapped_text(caret.line);
int wi = get_caret_wrap_index();
int row_start_col = 0;
for (int i = 0; i < wi; i++) {
row_start_col += rows[i].length();
}
if (caret.column == row_start_col || wi == 0) {
// Compute whitespace symbols sequence length.
int current_line_whitespace_len = 0;
while (current_line_whitespace_len < text[caret.line].length()) {
char32_t c = text[caret.line][current_line_whitespace_len];
if (c != '\t' && c != ' ') {
break;
}
current_line_whitespace_len++;
}
if (get_caret_column() == current_line_whitespace_len) {
set_caret_column(0);
} else {
set_caret_column(current_line_whitespace_len);
}
} else {
set_caret_column(row_start_col);
}
if (p_select) {
_post_shift_selection();
}
}
void TextEdit::_move_caret_to_line_end(bool p_select) {
if (p_select) {
_pre_shift_selection();
} else {
deselect();
}
// Move caret column to end of wrapped row and then to end of text.
Vector<String> rows = get_line_wrapped_text(caret.line);
int wi = get_caret_wrap_index();
int row_end_col = -1;
for (int i = 0; i < wi + 1; i++) {
row_end_col += rows[i].length();
}
if (wi == rows.size() - 1 || caret.column == row_end_col) {
set_caret_column(text[caret.line].length());
} else {
set_caret_column(row_end_col);
}
if (p_select) {
_post_shift_selection();
}
}
void TextEdit::_move_caret_page_up(bool p_select) {
if (p_select) {
_pre_shift_selection();
} else {
deselect();
}
Point2i next_line = get_next_visible_line_index_offset_from(caret.line, get_caret_wrap_index(), -get_visible_line_count());
int n_line = caret.line - next_line.x + 1;
set_caret_line(n_line, true, false, next_line.y);
if (p_select) {
_post_shift_selection();
}
}
void TextEdit::_move_caret_page_down(bool p_select) {
if (p_select) {
_pre_shift_selection();
} else {
deselect();
}
Point2i next_line = get_next_visible_line_index_offset_from(caret.line, get_caret_wrap_index(), get_visible_line_count());
int n_line = caret.line + next_line.x - 1;
set_caret_line(n_line, true, false, next_line.y);
if (p_select) {
_post_shift_selection();
}
}
void TextEdit::_do_backspace(bool p_word, bool p_all_to_left) {
if (!editable) {
return;
}
if (has_selection() || (!p_all_to_left && !p_word)) {
backspace();
return;
}
if (p_all_to_left) {
int caret_current_column = caret.column;
caret.column = 0;
_remove_text(caret.line, 0, caret.line, caret_current_column);
return;
}
if (p_word) {
int line = caret.line;
int column = caret.column;
PackedInt32Array words = TS->shaped_text_get_word_breaks(text.get_line_data(line)->get_rid());
for (int i = words.size() - 2; i >= 0; i = i - 2) {
if (words[i] < column) {
column = words[i];
break;
}
}
_remove_text(line, column, caret.line, caret.column);
set_caret_line(line, false);
set_caret_column(column);
return;
}
}
void TextEdit::_delete(bool p_word, bool p_all_to_right) {
if (!editable) {
return;
}
if (has_selection()) {
delete_selection();
return;
}
int curline_len = text[caret.line].length();
if (caret.line == text.size() - 1 && caret.column == curline_len) {
return; // Last line, last column: Nothing to do.
}
int next_line = caret.column < curline_len ? caret.line : caret.line + 1;
int next_column;
if (p_all_to_right) {
// Delete everything to right of caret
next_column = curline_len;
next_line = caret.line;
} else if (p_word && caret.column < curline_len - 1) {
// Delete next word to right of caret
int line = caret.line;
int column = caret.column;
PackedInt32Array words = TS->shaped_text_get_word_breaks(text.get_line_data(line)->get_rid());
for (int i = 1; i < words.size(); i = i + 2) {
if (words[i] > column) {
column = words[i];
break;
}
}
next_line = line;
next_column = column;
} else {
// Delete one character
if (caret_mid_grapheme_enabled) {
next_column = caret.column < curline_len ? (caret.column + 1) : 0;
} else {
next_column = caret.column < curline_len ? TS->shaped_text_next_grapheme_pos(text.get_line_data(caret.line)->get_rid(), (caret.column)) : 0;
}
}
_remove_text(caret.line, caret.column, next_line, next_column);
update();
}
void TextEdit::_move_caret_document_start(bool p_select) {
if (p_select) {
_pre_shift_selection();
} else {
deselect();
}
set_caret_line(0);
set_caret_column(0);
if (p_select) {
_post_shift_selection();
}
}
void TextEdit::_move_caret_document_end(bool p_select) {
if (p_select) {
_pre_shift_selection();
} else {
deselect();
}
set_caret_line(get_last_unhidden_line(), true, false, 9999);
set_caret_column(text[caret.line].length());
if (p_select) {
_post_shift_selection();
}
}
void TextEdit::_update_caches() {
/* Internal API for CodeEdit. */
brace_mismatch_color = get_theme_color(SNAME("brace_mismatch_color"), SNAME("CodeEdit"));
code_folding_color = get_theme_color(SNAME("code_folding_color"), SNAME("CodeEdit"));
folded_eol_icon = get_theme_icon(SNAME("folded_eol_icon"), SNAME("CodeEdit"));
/* Search */
search_result_color = get_theme_color(SNAME("search_result_color"));
search_result_border_color = get_theme_color(SNAME("search_result_border_color"));
/* Caret */
caret_color = get_theme_color(SNAME("caret_color"));
caret_background_color = get_theme_color(SNAME("caret_background_color"));
/* Selection */
font_selected_color = get_theme_color(SNAME("font_selected_color"));
selection_color = get_theme_color(SNAME("selection_color"));
/* Visual. */
style_normal = get_theme_stylebox(SNAME("normal"));
style_focus = get_theme_stylebox(SNAME("focus"));
style_readonly = get_theme_stylebox(SNAME("read_only"));
tab_icon = get_theme_icon(SNAME("tab"));
space_icon = get_theme_icon(SNAME("space"));
font = get_theme_font(SNAME("font"));
font_size = get_theme_font_size(SNAME("font_size"));
font_color = get_theme_color(SNAME("font_color"));
font_readonly_color = get_theme_color(SNAME("font_readonly_color"));
outline_size = get_theme_constant(SNAME("outline_size"));
outline_color = get_theme_color(SNAME("font_outline_color"));
line_spacing = get_theme_constant(SNAME("line_spacing"));
background_color = get_theme_color(SNAME("background_color"));
current_line_color = get_theme_color(SNAME("current_line_color"));
word_highlighted_color = get_theme_color(SNAME("word_highlighted_color"));
/* Text properties. */
TextServer::Direction dir;
if (text_direction == Control::TEXT_DIRECTION_INHERITED) {
dir = is_layout_rtl() ? TextServer::DIRECTION_RTL : TextServer::DIRECTION_LTR;
} else {
dir = (TextServer::Direction)text_direction;
}
text.set_direction_and_language(dir, (language != "") ? language : TranslationServer::get_singleton()->get_tool_locale());
text.set_font_features(opentype_features);
text.set_draw_control_chars(draw_control_chars);
text.set_font(font);
text.set_font_size(font_size);
text.invalidate_all();
/* Syntax highlighting. */
if (syntax_highlighter.is_valid()) {
syntax_highlighter->set_text_edit(this);
}
}
/* General overrides. */
Size2 TextEdit::get_minimum_size() const {
return style_normal->get_minimum_size();
}
bool TextEdit::is_text_field() const {
return true;
}
Variant TextEdit::get_drag_data(const Point2 &p_point) {
if (selection.active && selection.drag_attempt) {
String t = get_selected_text();
Label *l = memnew(Label);
l->set_text(t);
set_drag_preview(l);
return t;
}
return Variant();
}
bool TextEdit::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 TextEdit::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()) {
Point2i pos = get_line_column_at_pos(get_local_mouse_pos());
int caret_row_tmp = pos.y;
int caret_column_tmp = pos.x;
if (selection.drag_attempt) {
selection.drag_attempt = false;
if (!is_mouse_over_selection(!Input::get_singleton()->is_key_pressed(Key::CTRL))) {
begin_complex_operation();
if (!Input::get_singleton()->is_key_pressed(Key::CTRL)) {
if (caret_row_tmp > selection.to_line) {
caret_row_tmp = caret_row_tmp - (selection.to_line - selection.from_line);
} else if (caret_row_tmp == selection.to_line && caret_column_tmp >= selection.to_column) {
caret_column_tmp = caret_column_tmp - (selection.to_column - selection.from_column);
}
delete_selection();
} else {
deselect();
}
set_caret_line(caret_row_tmp, true, false);
set_caret_column(caret_column_tmp);
insert_text_at_caret(p_data);
end_complex_operation();
}
} else if (is_mouse_over_selection()) {
caret_row_tmp = selection.from_line;
caret_column_tmp = selection.from_column;
set_caret_line(caret_row_tmp, true, false);
set_caret_column(caret_column_tmp);
insert_text_at_caret(p_data);
grab_focus();
} else {
deselect();
set_caret_line(caret_row_tmp, true, false);
set_caret_column(caret_column_tmp);
insert_text_at_caret(p_data);
grab_focus();
}
if (caret_row_tmp != caret.line || caret_column_tmp != caret.column) {
select(caret_row_tmp, caret_column_tmp, caret.line, caret.column);
}
}
}
Control::CursorShape TextEdit::get_cursor_shape(const Point2 &p_pos) const {
Point2i pos = get_line_column_at_pos(p_pos);
int row = pos.y;
int left_margin = style_normal->get_margin(SIDE_LEFT);
int gutter = left_margin + gutters_width;
if (p_pos.x < gutter) {
for (int i = 0; i < gutters.size(); i++) {
if (!gutters[i].draw) {
continue;
}
if (p_pos.x > left_margin && p_pos.x <= (left_margin + gutters[i].width) - 3) {
if (gutters[i].clickable || is_line_gutter_clickable(row, i)) {
return CURSOR_POINTING_HAND;
}
}
left_margin += gutters[i].width;
}
return CURSOR_ARROW;
}
int xmargin_end = get_size().width - style_normal->get_margin(SIDE_RIGHT);
if (draw_minimap && p_pos.x > xmargin_end - minimap_width && p_pos.x <= xmargin_end) {
return CURSOR_ARROW;
}
return get_default_cursor_shape();
}
String TextEdit::get_tooltip(const Point2 &p_pos) const {
Object *tooltip_obj = ObjectDB::get_instance(tooltip_obj_id);
if (!tooltip_obj) {
return Control::get_tooltip(p_pos);
}
Point2i pos = get_line_column_at_pos(p_pos);
int row = pos.y;
int col = pos.x;
String s = text[row];
if (s.length() == 0) {
return Control::get_tooltip(p_pos);
}
int beg, end;
if (select_word(s, col, beg, end)) {
String tt = tooltip_obj->call(tooltip_func, s.substr(beg, end - beg), tooltip_ud);
return tt;
}
return Control::get_tooltip(p_pos);
}
void TextEdit::set_tooltip_request_func(Object *p_obj, const StringName &p_function, const Variant &p_udata) {
ERR_FAIL_NULL(p_obj);
tooltip_obj_id = p_obj->get_instance_id();
tooltip_func = p_function;
tooltip_ud = p_udata;
}
/* Text */
// Text properties.
bool TextEdit::has_ime_text() const {
return !ime_text.is_empty();
}
void TextEdit::set_editable(const bool p_editable) {
if (editable == p_editable) {
return;
}
editable = p_editable;
update();
}
bool TextEdit::is_editable() const {
return editable;
}
void TextEdit::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;
}
TextServer::Direction dir;
if (text_direction == Control::TEXT_DIRECTION_INHERITED) {
dir = is_layout_rtl() ? TextServer::DIRECTION_RTL : TextServer::DIRECTION_LTR;
} else {
dir = (TextServer::Direction)text_direction;
}
text.set_direction_and_language(dir, (language != "") ? language : TranslationServer::get_singleton()->get_tool_locale());
text.invalidate_all();
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);
}
update();
}
}
Control::TextDirection TextEdit::get_text_direction() const {
return text_direction;
}
void TextEdit::set_opentype_feature(const String &p_name, int p_value) {
int32_t tag = TS->name_to_tag(p_name);
if (!opentype_features.has(tag) || (int)opentype_features[tag] != p_value) {
opentype_features[tag] = p_value;
text.set_font_features(opentype_features);
text.invalidate_all();
update();
}
}
int TextEdit::get_opentype_feature(const String &p_name) const {
int32_t tag = TS->name_to_tag(p_name);
if (!opentype_features.has(tag)) {
return -1;
}
return opentype_features[tag];
}
void TextEdit::clear_opentype_features() {
opentype_features.clear();
text.set_font_features(opentype_features);
text.invalidate_all();
update();
}
void TextEdit::set_language(const String &p_language) {
if (language != p_language) {
language = p_language;
TextServer::Direction dir;
if (text_direction == Control::TEXT_DIRECTION_INHERITED) {
dir = is_layout_rtl() ? TextServer::DIRECTION_RTL : TextServer::DIRECTION_LTR;
} else {
dir = (TextServer::Direction)text_direction;
}
text.set_direction_and_language(dir, (language != "") ? language : TranslationServer::get_singleton()->get_tool_locale());
text.invalidate_all();
update();
}
}
String TextEdit::get_language() const {
return language;
}
void TextEdit::set_structured_text_bidi_override(Control::StructuredTextParser p_parser) {
if (st_parser != p_parser) {
st_parser = p_parser;
for (int i = 0; i < text.size(); i++) {
text.set(i, text[i], structured_text_parser(st_parser, st_args, text[i]));
}
update();
}
}
Control::StructuredTextParser TextEdit::get_structured_text_bidi_override() const {
return st_parser;
}
void TextEdit::set_structured_text_bidi_override_options(Array p_args) {
st_args = p_args;
for (int i = 0; i < text.size(); i++) {
text.set(i, text[i], structured_text_parser(st_parser, st_args, text[i]));
}
update();
}
Array TextEdit::get_structured_text_bidi_override_options() const {
return st_args;
}
void TextEdit::set_tab_size(const int p_size) {
ERR_FAIL_COND_MSG(p_size <= 0, "Tab size must be greater than 0.");
if (p_size == text.get_tab_size()) {
return;
}
text.set_tab_size(p_size);
text.invalidate_all_lines();
update();
}
int TextEdit::get_tab_size() const {
return text.get_tab_size();
}
// User controls
void TextEdit::set_overtype_mode_enabled(const bool p_enabled) {
overtype_mode = p_enabled;
update();
}
bool TextEdit::is_overtype_mode_enabled() const {
return overtype_mode;
}
void TextEdit::set_context_menu_enabled(bool p_enabled) {
context_menu_enabled = p_enabled;
}
bool TextEdit::is_context_menu_enabled() const {
return context_menu_enabled;
}
void TextEdit::set_shortcut_keys_enabled(bool p_enabled) {
shortcut_keys_enabled = p_enabled;
}
bool TextEdit::is_shortcut_keys_enabled() const {
return shortcut_keys_enabled;
}
void TextEdit::set_virtual_keyboard_enabled(bool p_enabled) {
virtual_keyboard_enabled = p_enabled;
}
bool TextEdit::is_virtual_keyboard_enabled() const {
return virtual_keyboard_enabled;
}
void TextEdit::set_middle_mouse_paste_enabled(bool p_enabled) {
middle_mouse_paste_enabled = p_enabled;
}
bool TextEdit::is_middle_mouse_paste_enabled() const {
return middle_mouse_paste_enabled;
}
// Text manipulation
void TextEdit::clear() {
setting_text = true;
_clear();
setting_text = false;
emit_signal(SNAME("text_set"));
}
void TextEdit::_clear() {
clear_undo_history();
text.clear();
caret.column = 0;
caret.line = 0;
caret.x_ofs = 0;
caret.line_ofs = 0;
caret.wrap_ofs = 0;
caret.last_fit_x = 0;
selection.active = false;
}
void TextEdit::set_text(const String &p_text) {
setting_text = true;
if (!undo_enabled) {
_clear();
insert_text_at_caret(p_text);
}
if (undo_enabled) {
set_caret_line(0);
set_caret_column(0);
begin_complex_operation();
deselect();
_remove_text(0, 0, MAX(0, get_line_count() - 1), MAX(get_line(MAX(get_line_count() - 1, 0)).size() - 1, 0));
insert_text_at_caret(p_text);
end_complex_operation();
}
set_caret_line(0);
set_caret_column(0);
update();
setting_text = false;
emit_signal(SNAME("text_set"));
}
String TextEdit::get_text() const {
StringBuilder ret_text;
const int text_size = text.size();
for (int i = 0; i < text_size; i++) {
ret_text += text[i];
if (i != text_size - 1) {
ret_text += "\n";
}
}
return ret_text.as_string();
}
int TextEdit::get_line_count() const {
return text.size();
}
void TextEdit::set_line(int p_line, const String &p_new_text) {
if (p_line < 0 || p_line >= text.size()) {
return;
}
_remove_text(p_line, 0, p_line, text[p_line].length());
_insert_text(p_line, 0, p_new_text);
if (caret.line == p_line) {
caret.column = MIN(caret.column, p_new_text.length());
}
if (has_selection() && p_line == selection.to_line && selection.to_column > text[p_line].length()) {
selection.to_column = text[p_line].length();
}
}
String TextEdit::get_line(int p_line) const {
if (p_line < 0 || p_line >= text.size()) {
return "";
}
return text[p_line];
}
int TextEdit::get_line_width(int p_line, int p_wrap_index) const {
ERR_FAIL_INDEX_V(p_line, text.size(), 0);
ERR_FAIL_COND_V(p_wrap_index > get_line_wrap_count(p_line), 0);
return text.get_line_width(p_line, p_wrap_index);
}
int TextEdit::get_line_height() const {
return text.get_line_height() + line_spacing;
}
int TextEdit::get_indent_level(int p_line) const {
ERR_FAIL_INDEX_V(p_line, text.size(), 0);
int tab_count = 0;
int whitespace_count = 0;
int line_length = text[p_line].size();
for (int i = 0; i < line_length - 1; i++) {
if (text[p_line][i] == '\t') {
tab_count++;
} else if (text[p_line][i] == ' ') {
whitespace_count++;
} else {
break;
}
}
return tab_count * text.get_tab_size() + whitespace_count;
}
int TextEdit::get_first_non_whitespace_column(int p_line) const {
ERR_FAIL_INDEX_V(p_line, text.size(), 0);
int col = 0;
while (col < text[p_line].length() && _is_whitespace(text[p_line][col])) {
col++;
}
return col;
}
void TextEdit::swap_lines(int p_from_line, int p_to_line) {
ERR_FAIL_INDEX(p_from_line, text.size());
ERR_FAIL_INDEX(p_to_line, text.size());
String tmp = get_line(p_from_line);
String tmp2 = get_line(p_to_line);
set_line(p_to_line, tmp);
set_line(p_from_line, tmp2);
}
void TextEdit::insert_line_at(int p_at, const String &p_text) {
ERR_FAIL_INDEX(p_at, text.size());
_insert_text(p_at, 0, p_text + "\n");
if (caret.line >= p_at) {
// offset caret when located after inserted line
++caret.line;
}
if (has_selection()) {
if (selection.from_line >= p_at) {
// offset selection when located after inserted line
++selection.from_line;
++selection.to_line;
} else if (selection.to_line >= p_at) {
// extend selection that includes inserted line
++selection.to_line;
}
}
}
void TextEdit::insert_text_at_caret(const String &p_text) {
bool had_selection = has_selection();
if (had_selection) {
begin_complex_operation();
}
delete_selection();
int new_column, new_line;
_insert_text(caret.line, caret.column, p_text, &new_line, &new_column);
_update_scrollbars();
set_caret_line(new_line, false);
set_caret_column(new_column);
update();
if (had_selection) {
end_complex_operation();
}
}
void TextEdit::remove_text(int p_from_line, int p_from_column, int p_to_line, int p_to_column) {
ERR_FAIL_INDEX(p_from_line, text.size());
ERR_FAIL_INDEX(p_from_column, text[p_from_line].length() + 1);
ERR_FAIL_INDEX(p_to_line, text.size());
ERR_FAIL_INDEX(p_to_column, text[p_to_line].length() + 1);
ERR_FAIL_COND(p_to_line < p_from_line);
ERR_FAIL_COND(p_to_line == p_from_line && p_to_column < p_from_column);
_remove_text(p_from_line, p_from_column, p_to_line, p_to_column);
}
int TextEdit::get_last_unhidden_line() const {
// Returns the last line in the text that is not hidden.
if (!_is_hiding_enabled()) {
return text.size() - 1;
}
int last_line;
for (last_line = text.size() - 1; last_line > 0; last_line--) {
if (!_is_line_hidden(last_line)) {
break;
}
}
return last_line;
}
int TextEdit::get_next_visible_line_offset_from(int p_line_from, int p_visible_amount) const {
// Returns the number of lines (hidden and unhidden) from p_line_from to (p_line_from + visible_amount of unhidden lines).
ERR_FAIL_INDEX_V(p_line_from, text.size(), ABS(p_visible_amount));
if (!_is_hiding_enabled()) {
return ABS(p_visible_amount);
}
int num_visible = 0;
int num_total = 0;
if (p_visible_amount >= 0) {
for (int i = p_line_from; i < text.size(); i++) {
num_total++;
if (!_is_line_hidden(i)) {
num_visible++;
}
if (num_visible >= p_visible_amount) {
break;
}
}
} else {
p_visible_amount = ABS(p_visible_amount);
for (int i = p_line_from; i >= 0; i--) {
num_total++;
if (!_is_line_hidden(i)) {
num_visible++;
}
if (num_visible >= p_visible_amount) {
break;
}
}
}
return num_total;
}
Point2i TextEdit::get_next_visible_line_index_offset_from(int p_line_from, int p_wrap_index_from, int p_visible_amount) const {
// Returns the number of lines (hidden and unhidden) from (p_line_from + p_wrap_index_from) row to (p_line_from + visible_amount of unhidden and wrapped rows).
// Wrap index is set to the wrap index of the last line.
int wrap_index = 0;
ERR_FAIL_INDEX_V(p_line_from, text.size(), Point2i(ABS(p_visible_amount), 0));
if (!_is_hiding_enabled() && get_line_wrapping_mode() == LineWrappingMode::LINE_WRAPPING_NONE) {
return Point2i(ABS(p_visible_amount), 0);
}
int num_visible = 0;
int num_total = 0;
if (p_visible_amount == 0) {
num_total = 0;
wrap_index = 0;
} else if (p_visible_amount > 0) {
int i;
num_visible -= p_wrap_index_from;
for (i = p_line_from; i < text.size(); i++) {
num_total++;
if (!_is_line_hidden(i)) {
num_visible++;
num_visible += get_line_wrap_count(i);
}
if (num_visible >= p_visible_amount) {
break;
}
}
wrap_index = get_line_wrap_count(MIN(i, text.size() - 1)) - MAX(0, num_visible - p_visible_amount);
// If we are a hidden line, then we are the last line as we cannot reach "p_visible_amount".
// This means we need to backtrack to get last visible line.
// Currently, line 0 cannot be hidden so this should always be valid.
int line = (p_line_from + num_total) - 1;
if (_is_line_hidden(line)) {
Point2i backtrack = get_next_visible_line_index_offset_from(line, 0, -1);
num_total = num_total - (backtrack.x - 1);
wrap_index = backtrack.y;
}
} else {
p_visible_amount = ABS(p_visible_amount);
int i;
num_visible -= get_line_wrap_count(p_line_from) - p_wrap_index_from;
for (i = p_line_from; i >= 0; i--) {
num_total++;
if (!_is_line_hidden(i)) {
num_visible++;
num_visible += get_line_wrap_count(i);
}
if (num_visible >= p_visible_amount) {
break;
}
}
wrap_index = MAX(0, num_visible - p_visible_amount);
}
wrap_index = MAX(wrap_index, 0);
return Point2i(num_total, wrap_index);
}
// Overridable actions
void TextEdit::handle_unicode_input(const uint32_t p_unicode) {
if (GDVIRTUAL_CALL(_handle_unicode_input, p_unicode)) {
return;
}
_handle_unicode_input_internal(p_unicode);
}
void TextEdit::backspace() {
if (GDVIRTUAL_CALL(_backspace)) {
return;
}
_backspace_internal();
}
void TextEdit::cut() {
if (GDVIRTUAL_CALL(_cut)) {
return;
}
_cut_internal();
}
void TextEdit::copy() {
if (GDVIRTUAL_CALL(_copy)) {
return;
}
_copy_internal();
}
void TextEdit::paste() {
if (GDVIRTUAL_CALL(_paste)) {
return;
}
_paste_internal();
}
void TextEdit::paste_primary_clipboard() {
if (GDVIRTUAL_CALL(_paste_primary_clipboard)) {
return;
}
_paste_primary_clipboard_internal();
}
// Context menu.
PopupMenu *TextEdit::get_menu() const {
const_cast<TextEdit *>(this)->_generate_context_menu();
return menu;
}
bool TextEdit::is_menu_visible() const {
return menu && menu->is_visible();
}
void TextEdit::menu_option(int p_option) {
switch (p_option) {
case MENU_CUT: {
cut();
} break;
case MENU_COPY: {
copy();
} break;
case MENU_PASTE: {
paste();
} break;
case MENU_CLEAR: {
if (editable) {
clear();
}
} break;
case MENU_SELECT_ALL: {
select_all();
} break;
case MENU_UNDO: {
undo();
} break;
case MENU_REDO: {
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));
}
}
}
}
/* Versioning */
void TextEdit::begin_complex_operation() {
_push_current_op();
if (complex_operation_count == 0) {
next_operation_is_complex = true;
}
complex_operation_count++;
}
void TextEdit::end_complex_operation() {
_push_current_op();
ERR_FAIL_COND(undo_stack.size() == 0);
complex_operation_count = MAX(complex_operation_count - 1, 0);
if (complex_operation_count > 0) {
return;
}
if (undo_stack.back()->get().chain_forward) {
undo_stack.back()->get().chain_forward = false;
return;
}
undo_stack.back()->get().chain_backward = true;
}
bool TextEdit::has_undo() const {
if (undo_stack_pos == nullptr) {
int pending = current_op.type == TextOperation::TYPE_NONE ? 0 : 1;
return undo_stack.size() + pending > 0;
}
return undo_stack_pos != undo_stack.front();
}
bool TextEdit::has_redo() const {
return undo_stack_pos != nullptr;
}
void TextEdit::undo() {
if (!editable) {
return;
}
_push_current_op();
if (undo_stack_pos == nullptr) {
if (!undo_stack.size()) {
return; // Nothing to undo.
}
undo_stack_pos = undo_stack.back();
} else if (undo_stack_pos == undo_stack.front()) {
return; // At the bottom of the undo stack.
} else {
undo_stack_pos = undo_stack_pos->prev();
}
deselect();
TextOperation op = undo_stack_pos->get();
_do_text_op(op, true);
if (op.type != TextOperation::TYPE_INSERT && (op.from_line != op.to_line || op.to_column != op.from_column + 1)) {
select(op.from_line, op.from_column, op.to_line, op.to_column);
}
current_op.version = op.prev_version;
if (undo_stack_pos->get().chain_backward) {
while (true) {
ERR_BREAK(!undo_stack_pos->prev());
undo_stack_pos = undo_stack_pos->prev();
op = undo_stack_pos->get();
_do_text_op(op, true);
current_op.version = op.prev_version;
if (undo_stack_pos->get().chain_forward) {
break;
}
}
}
_update_scrollbars();
if (undo_stack_pos->get().type == TextOperation::TYPE_REMOVE) {
set_caret_line(undo_stack_pos->get().to_line, false);
set_caret_column(undo_stack_pos->get().to_column);
} else {
set_caret_line(undo_stack_pos->get().from_line, false);
set_caret_column(undo_stack_pos->get().from_column);
}
update();
}
void TextEdit::redo() {
if (!editable) {
return;
}
_push_current_op();
if (undo_stack_pos == nullptr) {
return; // Nothing to do.
}
deselect();
TextOperation op = undo_stack_pos->get();
_do_text_op(op, false);
current_op.version = op.version;
if (undo_stack_pos->get().chain_forward) {
while (true) {
ERR_BREAK(!undo_stack_pos->next());
undo_stack_pos = undo_stack_pos->next();
op = undo_stack_pos->get();
_do_text_op(op, false);
current_op.version = op.version;
if (undo_stack_pos->get().chain_backward) {
break;
}
}
}
_update_scrollbars();
set_caret_line(undo_stack_pos->get().to_line, false);
set_caret_column(undo_stack_pos->get().to_column);
undo_stack_pos = undo_stack_pos->next();
update();
}
void TextEdit::clear_undo_history() {
saved_version = 0;
current_op.type = TextOperation::TYPE_NONE;
undo_stack_pos = nullptr;
undo_stack.clear();
}
bool TextEdit::is_insert_text_operation() const {
return (current_op.type == TextOperation::TYPE_INSERT);
}
void TextEdit::tag_saved_version() {
saved_version = get_version();
}
uint32_t TextEdit::get_version() const {
return current_op.version;
}
uint32_t TextEdit::get_saved_version() const {
return saved_version;
}
/* Search */
void TextEdit::set_search_text(const String &p_search_text) {
search_text = p_search_text;
}
void TextEdit::set_search_flags(uint32_t p_flags) {
search_flags = p_flags;
}
Point2i TextEdit::search(const String &p_key, uint32_t p_search_flags, int p_from_line, int p_from_column) const {
if (p_key.length() == 0) {
return Point2(-1, -1);
}
ERR_FAIL_INDEX_V(p_from_line, text.size(), Point2i(-1, -1));
ERR_FAIL_INDEX_V(p_from_column, text[p_from_line].length() + 1, Point2i(-1, -1));
// Search through the whole document, but start by current line.
int line = p_from_line;
int pos = -1;
for (int i = 0; i < text.size() + 1; i++) {
if (line < 0) {
line = text.size() - 1;
}
if (line == text.size()) {
line = 0;
}
String text_line = text[line];
int from_column = 0;
if (line == p_from_line) {
if (i == text.size()) {
// Wrapped.
if (p_search_flags & SEARCH_BACKWARDS) {
from_column = text_line.length();
} else {
from_column = 0;
}
} else {
from_column = p_from_column;
}
} else {
if (p_search_flags & SEARCH_BACKWARDS) {
from_column = text_line.length() - 1;
} else {
from_column = 0;
}
}
pos = -1;
int pos_from = (p_search_flags & SEARCH_BACKWARDS) ? text_line.length() : 0;
int last_pos = -1;
while (true) {
if (p_search_flags & SEARCH_BACKWARDS) {
while ((last_pos = (p_search_flags & SEARCH_MATCH_CASE) ? text_line.rfind(p_key, pos_from) : text_line.rfindn(p_key, pos_from)) != -1) {
if (last_pos <= from_column) {
pos = last_pos;
break;
}
pos_from = last_pos - p_key.length();
if (pos_from < 0) {
break;
}
}
} else {
while ((last_pos = (p_search_flags & SEARCH_MATCH_CASE) ? text_line.find(p_key, pos_from) : text_line.findn(p_key, pos_from)) != -1) {
if (last_pos >= from_column) {
pos = last_pos;
break;
}
pos_from = last_pos + p_key.length();
}
}
bool is_match = true;
if (pos != -1 && (p_search_flags & SEARCH_WHOLE_WORDS)) {
// Validate for whole words.
if (pos > 0 && _is_text_char(text_line[pos - 1])) {
is_match = false;
} else if (pos + p_key.length() < text_line.length() && _is_text_char(text_line[pos + p_key.length()])) {
is_match = false;
}
}
if (pos_from == -1) {
pos = -1;
}
if (is_match || last_pos == -1 || pos == -1) {
break;
}
pos_from = (p_search_flags & SEARCH_BACKWARDS) ? pos - 1 : pos + 1;
pos = -1;
}
if (pos != -1) {
break;
}
if (p_search_flags & SEARCH_BACKWARDS) {
line--;
} else {
line++;
}
}
return (pos == -1) ? Point2i(-1, -1) : Point2i(pos, line);
}
/* Mouse */
Point2 TextEdit::get_local_mouse_pos() const {
Point2 mp = get_local_mouse_position();
if (is_layout_rtl()) {
mp.x = get_size().width - mp.x;
}
return mp;
}
String TextEdit::get_word_at_pos(const Vector2 &p_pos) const {
Point2i pos = get_line_column_at_pos(p_pos);
int row = pos.y;
int col = pos.x;
String s = text[row];
if (s.length() == 0) {
return "";
}
int beg, end;
if (select_word(s, col, beg, end)) {
bool inside_quotes = false;
char32_t selected_quote = '\0';
int qbegin = 0, qend = 0;
for (int i = 0; i < s.length(); i++) {
if (s[i] == '"' || s[i] == '\'') {
if (i == 0 || s[i - 1] != '\\') {
if (inside_quotes && selected_quote == s[i]) {
qend = i;
inside_quotes = false;
selected_quote = '\0';
if (col >= qbegin && col <= qend) {
return s.substr(qbegin, qend - qbegin);
}
} else if (!inside_quotes) {
qbegin = i + 1;
inside_quotes = true;
selected_quote = s[i];
}
}
}
}
return s.substr(beg, end - beg);
}
return String();
}
Point2i TextEdit::get_line_column_at_pos(const Point2i &p_pos, bool p_allow_out_of_bounds) const {
float rows = p_pos.y;
rows -= style_normal->get_margin(SIDE_TOP);
rows /= get_line_height();
rows += _get_v_scroll_offset();
int first_vis_line = get_first_visible_line();
int row = first_vis_line + Math::floor(rows);
int wrap_index = 0;
if (get_line_wrapping_mode() != LineWrappingMode::LINE_WRAPPING_NONE || _is_hiding_enabled()) {
Point2i f_ofs = get_next_visible_line_index_offset_from(first_vis_line, caret.wrap_ofs, rows + (1 * SIGN(rows)));
wrap_index = f_ofs.y;
if (rows < 0) {
row = first_vis_line - (f_ofs.x - 1);
} else {
row = first_vis_line + (f_ofs.x - 1);
}
}
if (row < 0) {
row = 0;
}
if (row >= text.size()) {
row = text.size() - 1;
}
int visible_lines = get_visible_line_count_in_range(first_vis_line, row);
if (rows > visible_lines) {
if (!p_allow_out_of_bounds) {
return Point2i(-1, -1);
}
return Point2i(text[row].size(), row);
}
int col = 0;
int colx = p_pos.x - (style_normal->get_margin(SIDE_LEFT) + gutters_width + gutter_padding);
colx += caret.x_ofs;
col = _get_char_pos_for_line(colx, row, wrap_index);
if (get_line_wrapping_mode() != LineWrappingMode::LINE_WRAPPING_NONE && wrap_index < get_line_wrap_count(row)) {
// Move back one if we are at the end of the row.
Vector<String> rows2 = get_line_wrapped_text(row);
int row_end_col = 0;
for (int i = 0; i < wrap_index + 1; i++) {
row_end_col += rows2[i].length();
}
if (col >= row_end_col) {
col -= 1;
}
}
RID text_rid = text.get_line_data(row)->get_line_rid(wrap_index);
if (is_layout_rtl()) {
colx = TS->shaped_text_get_size(text_rid).x - colx;
}
col = TS->shaped_text_hit_test_position(text_rid, colx);
return Point2i(col, row);
}
Point2i TextEdit::get_pos_at_line_column(int p_line, int p_column) const {
Rect2i rect = get_rect_at_line_column(p_line, p_column);
return rect.position + Vector2i(0, get_line_height());
}
Rect2i TextEdit::get_rect_at_line_column(int p_line, int p_column) const {
ERR_FAIL_INDEX_V(p_line, text.size(), Rect2i(-1, -1, 0, 0));
ERR_FAIL_COND_V(p_column < 0, Rect2i(-1, -1, 0, 0));
ERR_FAIL_COND_V(p_column > text[p_line].length(), Rect2i(-1, -1, 0, 0));
if (line_drawing_cache.size() == 0 || !line_drawing_cache.has(p_line)) {
// Line is not in the cache, which means it's outside of the viewing area.
return Rect2i(-1, -1, 0, 0);
}
LineDrawingCache cache_entry = line_drawing_cache[p_line];
int wrap_index = get_line_wrap_index_at_column(p_line, p_column);
if (wrap_index >= cache_entry.first_visible_chars.size()) {
// Line seems to be wrapped beyond the viewable area.
return Rect2i(-1, -1, 0, 0);
}
int first_visible_char = cache_entry.first_visible_chars[wrap_index];
int last_visible_char = cache_entry.last_visible_chars[wrap_index];
if (p_column < first_visible_char || p_column > last_visible_char) {
// Character is outside of the viewing area, no point calculating its position.
return Rect2i(-1, -1, 0, 0);
}
Point2i pos, size;
pos.y = cache_entry.y_offset + get_line_height() * wrap_index;
pos.x = get_total_gutter_width() + style_normal->get_margin(SIDE_LEFT) - get_h_scroll();
RID text_rid = text.get_line_data(p_line)->get_line_rid(wrap_index);
Vector2 col_bounds = TS->shaped_text_get_grapheme_bounds(text_rid, p_column);
pos.x += col_bounds.x;
size.x = col_bounds.y - col_bounds.x;
size.y = get_line_height();
return Rect2i(pos, size);
}
int TextEdit::get_minimap_line_at_pos(const Point2i &p_pos) const {
float rows = p_pos.y;
rows -= style_normal->get_margin(SIDE_TOP);
rows /= (minimap_char_size.y + minimap_line_spacing);
rows += _get_v_scroll_offset();
// calculate visible lines
int minimap_visible_lines = get_minimap_visible_lines();
int visible_rows = get_visible_line_count() + 1;
int first_visible_line = get_first_visible_line() - 1;
int draw_amount = visible_rows + (smooth_scroll_enabled ? 1 : 0);
draw_amount += get_line_wrap_count(first_visible_line + 1);
int minimap_line_height = (minimap_char_size.y + minimap_line_spacing);
// calculate viewport size and y offset
int viewport_height = (draw_amount - 1) * minimap_line_height;
int control_height = _get_control_height() - viewport_height;
int viewport_offset_y = round(get_scroll_pos_for_line(first_visible_line + 1) * control_height) / ((v_scroll->get_max() <= minimap_visible_lines) ? (minimap_visible_lines - draw_amount) : (v_scroll->get_max() - draw_amount));
// calculate the first line.
int num_lines_before = round((viewport_offset_y) / minimap_line_height);
int minimap_line = (v_scroll->get_max() <= minimap_visible_lines) ? -1 : first_visible_line;
if (first_visible_line > 0 && minimap_line >= 0) {
minimap_line -= get_next_visible_line_index_offset_from(first_visible_line, 0, -num_lines_before).x;
minimap_line -= (minimap_line > 0 && smooth_scroll_enabled ? 1 : 0);
} else {
minimap_line = 0;
}
int row = minimap_line + Math::floor(rows);
if (get_line_wrapping_mode() != LineWrappingMode::LINE_WRAPPING_NONE || _is_hiding_enabled()) {
int f_ofs = get_next_visible_line_index_offset_from(minimap_line, caret.wrap_ofs, rows + (1 * SIGN(rows))).x - 1;
if (rows < 0) {
row = minimap_line - f_ofs;
} else {
row = minimap_line + f_ofs;
}
}
if (row < 0) {
row = 0;
}
if (row >= text.size()) {
row = text.size() - 1;
}
return row;
}
bool TextEdit::is_dragging_cursor() const {
return dragging_selection || dragging_minimap;
}
bool TextEdit::is_mouse_over_selection(bool p_edges) const {
if (!has_selection()) {
return false;
}
Point2i pos = get_line_column_at_pos(get_local_mouse_pos());
int row = pos.y;
int col = pos.x;
if (p_edges) {
if ((row == selection.from_line && col == selection.from_column) || (row == selection.to_line && col == selection.to_column)) {
return true;
}
}
return (row >= selection.from_line && row <= selection.to_line && (row > selection.from_line || col > selection.from_column) && (row < selection.to_line || col < selection.to_column));
}
/* Caret */
void TextEdit::set_caret_type(CaretType p_type) {
caret_type = p_type;
update();
}
TextEdit::CaretType TextEdit::get_caret_type() const {
return caret_type;
}
void TextEdit::set_caret_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;
}
bool TextEdit::is_caret_blink_enabled() const {
return caret_blink_enabled;
}
float TextEdit::get_caret_blink_speed() const {
return caret_blink_timer->get_wait_time();
}
void TextEdit::set_caret_blink_speed(const float p_speed) {
ERR_FAIL_COND(p_speed <= 0);
caret_blink_timer->set_wait_time(p_speed);
}
void TextEdit::set_move_caret_on_right_click_enabled(const bool p_enabled) {
move_caret_on_right_click = p_enabled;
}
bool TextEdit::is_move_caret_on_right_click_enabled() const {
return move_caret_on_right_click;
}
void TextEdit::set_caret_mid_grapheme_enabled(const bool p_enabled) {
caret_mid_grapheme_enabled = p_enabled;
}
bool TextEdit::is_caret_mid_grapheme_enabled() const {
return caret_mid_grapheme_enabled;
}
bool TextEdit::is_caret_visible() const {
return caret.visible;
}
Point2 TextEdit::get_caret_draw_pos() const {
return caret.draw_pos;
}
void TextEdit::set_caret_line(int p_line, bool p_adjust_viewport, bool p_can_be_hidden, int p_wrap_index) {
if (setting_caret_line) {
return;
}
setting_caret_line = true;
if (p_line < 0) {
p_line = 0;
}
if (p_line >= text.size()) {
p_line = text.size() - 1;
}
if (!p_can_be_hidden) {
if (_is_line_hidden(CLAMP(p_line, 0, text.size() - 1))) {
int move_down = get_next_visible_line_offset_from(p_line, 1) - 1;
if (p_line + move_down <= text.size() - 1 && !_is_line_hidden(p_line + move_down)) {
p_line += move_down;
} else {
int move_up = get_next_visible_line_offset_from(p_line, -1) - 1;
if (p_line - move_up > 0 && !_is_line_hidden(p_line - move_up)) {
p_line -= move_up;
} else {
WARN_PRINT(("Caret set to hidden line " + itos(p_line) + " and there are no nonhidden lines."));
}
}
}
}
caret.line = p_line;
int n_col = _get_char_pos_for_line(caret.last_fit_x, p_line, p_wrap_index);
if (n_col != 0 && get_line_wrapping_mode() != LineWrappingMode::LINE_WRAPPING_NONE && p_wrap_index < get_line_wrap_count(p_line)) {
Vector<String> rows = get_line_wrapped_text(p_line);
int row_end_col = 0;
for (int i = 0; i < p_wrap_index + 1; i++) {
row_end_col += rows[i].length();
}
if (n_col >= row_end_col) {
n_col -= 1;
}
}
caret.column = n_col;
if (p_adjust_viewport) {
adjust_viewport_to_caret();
}
setting_caret_line = false;
if (!caret_pos_dirty) {
if (is_inside_tree()) {
MessageQueue::get_singleton()->push_call(this, "_emit_caret_changed");
}
caret_pos_dirty = true;
}
}
int TextEdit::get_caret_line() const {
return caret.line;
}
void TextEdit::set_caret_column(int p_col, bool p_adjust_viewport) {
if (p_col < 0) {
p_col = 0;
}
caret.column = p_col;
if (caret.column > get_line(caret.line).length()) {
caret.column = get_line(caret.line).length();
}
caret.last_fit_x = _get_column_x_offset_for_line(caret.column, caret.line);
if (p_adjust_viewport) {
adjust_viewport_to_caret();
}
if (!caret_pos_dirty) {
if (is_inside_tree()) {
MessageQueue::get_singleton()->push_call(this, "_emit_caret_changed");
}
caret_pos_dirty = true;
}
}
int TextEdit::get_caret_column() const {
return caret.column;
}
int TextEdit::get_caret_wrap_index() const {
return get_line_wrap_index_at_column(caret.line, caret.column);
}
String TextEdit::get_word_under_caret() const {
ERR_FAIL_INDEX_V(caret.line, text.size(), "");
ERR_FAIL_INDEX_V(caret.column, text[caret.line].length() + 1, "");
PackedInt32Array words = TS->shaped_text_get_word_breaks(text.get_line_data(caret.line)->get_rid());
for (int i = 0; i < words.size(); i = i + 2) {
if (words[i] <= caret.column && words[i + 1] > caret.column) {
return text[caret.line].substr(words[i], words[i + 1] - words[i]);
}
}
return "";
}
/* Selection. */
void TextEdit::set_selecting_enabled(const bool p_enabled) {
selecting_enabled = p_enabled;
if (!selecting_enabled) {
deselect();
}
}
bool TextEdit::is_selecting_enabled() const {
return selecting_enabled;
}
void TextEdit::set_deselect_on_focus_loss_enabled(const bool p_enabled) {
deselect_on_focus_loss_enabled = p_enabled;
if (p_enabled && selection.active && !has_focus()) {
deselect();
}
}
bool TextEdit::is_deselect_on_focus_loss_enabled() const {
return deselect_on_focus_loss_enabled;
}
void TextEdit::set_override_selected_font_color(bool p_override_selected_font_color) {
override_selected_font_color = p_override_selected_font_color;
}
bool TextEdit::is_overriding_selected_font_color() const {
return override_selected_font_color;
}
void TextEdit::set_selection_mode(SelectionMode p_mode, int p_line, int p_column) {
selection.selecting_mode = p_mode;
if (p_line >= 0) {
ERR_FAIL_INDEX(p_line, text.size());
selection.selecting_line = p_line;
selection.selecting_column = CLAMP(selection.selecting_column, 0, text[selection.selecting_line].length());
}
if (p_column >= 0) {
ERR_FAIL_INDEX(selection.selecting_line, text.size());
ERR_FAIL_INDEX(p_column, text[selection.selecting_line].length());
selection.selecting_column = p_column;
}
}
TextEdit::SelectionMode TextEdit::get_selection_mode() const {
return selection.selecting_mode;
}
void TextEdit::select_all() {
if (!selecting_enabled) {
return;
}
if (text.size() == 1 && text[0].length() == 0) {
return;
}
selection.active = true;
selection.from_line = 0;
selection.from_column = 0;
selection.selecting_line = 0;
selection.selecting_column = 0;
selection.to_line = text.size() - 1;
selection.to_column = text[selection.to_line].length();
selection.selecting_mode = SelectionMode::SELECTION_MODE_SHIFT;
selection.shiftclick_left = true;
set_caret_line(selection.to_line, false);
set_caret_column(selection.to_column, false);
update();
}
void TextEdit::select_word_under_caret() {
if (!selecting_enabled) {
return;
}
if (text.size() == 1 && text[0].length() == 0) {
return;
}
if (selection.active) {
/* Allow toggling selection by pressing the shortcut a second time. */
/* This is also usable as a general-purpose "deselect" shortcut after */
/* selecting anything. */
deselect();
return;
}
int begin = 0;
int end = 0;
const PackedInt32Array words = TS->shaped_text_get_word_breaks(text.get_line_data(caret.line)->get_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])) {
begin = words[i];
end = words[i + 1];
break;
}
}
select(caret.line, begin, caret.line, end);
/* Move the caret to the end of the word for easier editing. */
set_caret_column(end, false);
}
void TextEdit::select(int p_from_line, int p_from_column, int p_to_line, int p_to_column) {
if (!selecting_enabled) {
return;
}
if (p_from_line < 0) {
p_from_line = 0;
} else if (p_from_line >= text.size()) {
p_from_line = text.size() - 1;
}
if (p_from_column >= text[p_from_line].length()) {
p_from_column = text[p_from_line].length();
}
if (p_from_column < 0) {
p_from_column = 0;
}
if (p_to_line < 0) {
p_to_line = 0;
} else if (p_to_line >= text.size()) {
p_to_line = text.size() - 1;
}
if (p_to_column >= text[p_to_line].length()) {
p_to_column = text[p_to_line].length();
}
if (p_to_column < 0) {
p_to_column = 0;
}
selection.from_line = p_from_line;
selection.from_column = p_from_column;
selection.to_line = p_to_line;
selection.to_column = p_to_column;
selection.active = true;
if (selection.from_line == selection.to_line) {
if (selection.from_column == selection.to_column) {
selection.active = false;
} else if (selection.from_column > selection.to_column) {
selection.shiftclick_left = false;
SWAP(selection.from_column, selection.to_column);
} else {
selection.shiftclick_left = true;
}
} else if (selection.from_line > selection.to_line) {
selection.shiftclick_left = false;
SWAP(selection.from_line, selection.to_line);
SWAP(selection.from_column, selection.to_column);
} else {
selection.shiftclick_left = true;
}
update();
}
bool TextEdit::has_selection() const {
return selection.active;
}
String TextEdit::get_selected_text() const {
if (!selection.active) {
return "";
}
return _base_get_text(selection.from_line, selection.from_column, selection.to_line, selection.to_column);
}
int TextEdit::get_selection_line() const {
return selection.selecting_line;
}
int TextEdit::get_selection_column() const {
return selection.selecting_column;
}
int TextEdit::get_selection_from_line() const {
ERR_FAIL_COND_V(!selection.active, -1);
return selection.from_line;
}
int TextEdit::get_selection_from_column() const {
ERR_FAIL_COND_V(!selection.active, -1);
return selection.from_column;
}
int TextEdit::get_selection_to_line() const {
ERR_FAIL_COND_V(!selection.active, -1);
return selection.to_line;
}
int TextEdit::get_selection_to_column() const {
ERR_FAIL_COND_V(!selection.active, -1);
return selection.to_column;
}
void TextEdit::deselect() {
selection.active = false;
update();
}
void TextEdit::delete_selection() {
if (!has_selection()) {
return;
}
selection.active = false;
selection.selecting_mode = SelectionMode::SELECTION_MODE_NONE;
_remove_text(selection.from_line, selection.from_column, selection.to_line, selection.to_column);
set_caret_line(selection.from_line, false, false);
set_caret_column(selection.from_column);
update();
}
/* Line wrapping. */
void TextEdit::set_line_wrapping_mode(LineWrappingMode p_wrapping_mode) {
if (line_wrapping_mode != p_wrapping_mode) {
line_wrapping_mode = p_wrapping_mode;
_update_wrap_at_column(true);
}
}
TextEdit::LineWrappingMode TextEdit::get_line_wrapping_mode() const {
return line_wrapping_mode;
}
bool TextEdit::is_line_wrapped(int p_line) const {
ERR_FAIL_INDEX_V(p_line, text.size(), 0);
if (get_line_wrapping_mode() == LineWrappingMode::LINE_WRAPPING_NONE) {
return false;
}
return text.get_line_wrap_amount(p_line) > 0;
}
int TextEdit::get_line_wrap_count(int p_line) const {
ERR_FAIL_INDEX_V(p_line, text.size(), 0);
if (!is_line_wrapped(p_line)) {
return 0;
}
return text.get_line_wrap_amount(p_line);
}
int TextEdit::get_line_wrap_index_at_column(int p_line, int p_column) const {
ERR_FAIL_INDEX_V(p_line, text.size(), 0);
ERR_FAIL_COND_V(p_column < 0, 0);
ERR_FAIL_COND_V(p_column > text[p_line].length(), 0);
if (!is_line_wrapped(p_line)) {
return 0;
}
/* Loop through wraps in the line text until we get to the column. */
int wrap_index = 0;
int col = 0;
Vector<String> lines = get_line_wrapped_text(p_line);
for (int i = 0; i < lines.size(); i++) {
wrap_index = i;
String s = lines[wrap_index];
col += s.length();
if (col > p_column) {
break;
}
}
return wrap_index;
}
Vector<String> TextEdit::get_line_wrapped_text(int p_line) const {
ERR_FAIL_INDEX_V(p_line, text.size(), Vector<String>());
Vector<String> lines;
if (!is_line_wrapped(p_line)) {
lines.push_back(text[p_line]);
return lines;
}
const String &line_text = text[p_line];
Vector<Vector2i> line_ranges = text.get_line_wrap_ranges(p_line);
for (int i = 0; i < line_ranges.size(); i++) {
lines.push_back(line_text.substr(line_ranges[i].x, line_ranges[i].y - line_ranges[i].x));
}
return lines;
}
/* Viewport */
// Scrolling.
void TextEdit::set_smooth_scroll_enabled(const bool p_enabled) {
v_scroll->set_smooth_scroll_enabled(p_enabled);
smooth_scroll_enabled = p_enabled;
}
bool TextEdit::is_smooth_scroll_enabled() const {
return smooth_scroll_enabled;
}
void TextEdit::set_scroll_past_end_of_file_enabled(const bool p_enabled) {
scroll_past_end_of_file_enabled = p_enabled;
update();
}
bool TextEdit::is_scroll_past_end_of_file_enabled() const {
return scroll_past_end_of_file_enabled;
}
void TextEdit::set_v_scroll(double p_scroll) {
v_scroll->set_value(p_scroll);
int max_v_scroll = v_scroll->get_max() - v_scroll->get_page();
if (p_scroll >= max_v_scroll - 1.0) {
_scroll_moved(v_scroll->get_value());
}
}
double TextEdit::get_v_scroll() const {
return v_scroll->get_value();
}
void TextEdit::set_h_scroll(int p_scroll) {
if (p_scroll < 0) {
p_scroll = 0;
}
h_scroll->set_value(p_scroll);
}
int TextEdit::get_h_scroll() const {
return h_scroll->get_value();
}
void TextEdit::set_v_scroll_speed(float p_speed) {
v_scroll_speed = p_speed;
}
float TextEdit::get_v_scroll_speed() const {
return v_scroll_speed;
}
double TextEdit::get_scroll_pos_for_line(int p_line, int p_wrap_index) const {
ERR_FAIL_INDEX_V(p_line, text.size(), 0);
ERR_FAIL_COND_V(p_wrap_index < 0, 0);
ERR_FAIL_COND_V(p_wrap_index > get_line_wrap_count(p_line), 0);
if (get_line_wrapping_mode() == LineWrappingMode::LINE_WRAPPING_NONE && !_is_hiding_enabled()) {
return p_line;
}
double new_line_scroll_pos = get_visible_line_count_in_range(0, CLAMP(p_line, 0, text.size() - 1));
new_line_scroll_pos += p_wrap_index;
return new_line_scroll_pos;
}
// Visible lines.
void TextEdit::set_line_as_first_visible(int p_line, int p_wrap_index) {
ERR_FAIL_INDEX(p_line, text.size());
ERR_FAIL_COND(p_wrap_index < 0);
ERR_FAIL_COND(p_wrap_index > get_line_wrap_count(p_line));
set_v_scroll(get_scroll_pos_for_line(p_line, p_wrap_index));
}
int TextEdit::get_first_visible_line() const {
return CLAMP(caret.line_ofs, 0, text.size() - 1);
}
void TextEdit::set_line_as_center_visible(int p_line, int p_wrap_index) {
ERR_FAIL_INDEX(p_line, text.size());
ERR_FAIL_COND(p_wrap_index < 0);
ERR_FAIL_COND(p_wrap_index > get_line_wrap_count(p_line));
int visible_rows = get_visible_line_count();
Point2i next_line = get_next_visible_line_index_offset_from(p_line, p_wrap_index, -visible_rows / 2);
int first_line = p_line - next_line.x + 1;
set_v_scroll(get_scroll_pos_for_line(first_line, next_line.y));
}
void TextEdit::set_line_as_last_visible(int p_line, int p_wrap_index) {
ERR_FAIL_INDEX(p_line, text.size());
ERR_FAIL_COND(p_wrap_index < 0);
ERR_FAIL_COND(p_wrap_index > get_line_wrap_count(p_line));
Point2i next_line = get_next_visible_line_index_offset_from(p_line, p_wrap_index, -get_visible_line_count() - 1);
int first_line = p_line - next_line.x + 1;
set_v_scroll(get_scroll_pos_for_line(first_line, next_line.y) + _get_visible_lines_offset());
}
int TextEdit::get_last_full_visible_line() const {
int first_vis_line = get_first_visible_line();
int last_vis_line = 0;
last_vis_line = first_vis_line + get_next_visible_line_index_offset_from(first_vis_line, caret.wrap_ofs, get_visible_line_count()).x - 1;
last_vis_line = CLAMP(last_vis_line, 0, text.size() - 1);
return last_vis_line;
}
int TextEdit::get_last_full_visible_line_wrap_index() const {
int first_vis_line = get_first_visible_line();
return get_next_visible_line_index_offset_from(first_vis_line, caret.wrap_ofs, get_visible_line_count()).y;
}
int TextEdit::get_visible_line_count() const {
return _get_control_height() / get_line_height();
}
int TextEdit::get_visible_line_count_in_range(int p_from_line, int p_to_line) const {
ERR_FAIL_INDEX_V(p_from_line, text.size(), 0);
ERR_FAIL_INDEX_V(p_to_line, text.size(), 0);
ERR_FAIL_COND_V(p_from_line > p_to_line, 0);
/* Returns the total number of (lines + wrapped - hidden). */
if (!_is_hiding_enabled() && get_line_wrapping_mode() == LineWrappingMode::LINE_WRAPPING_NONE) {
return p_to_line - p_from_line;
}
int total_rows = 0;
for (int i = p_from_line; i <= p_to_line; i++) {
if (!text.is_hidden(i)) {
total_rows++;
total_rows += get_line_wrap_count(i);
}
}
return total_rows;
}
int TextEdit::get_total_visible_line_count() const {
return get_visible_line_count_in_range(0, text.size() - 1);
}
// Auto adjust
void TextEdit::adjust_viewport_to_caret() {
// Make sure Caret is visible on the screen.
scrolling = false;
minimap_clicked = false;
int cur_line = caret.line;
int cur_wrap = get_caret_wrap_index();
int first_vis_line = get_first_visible_line();
int first_vis_wrap = caret.wrap_ofs;
int last_vis_line = get_last_full_visible_line();
int last_vis_wrap = get_last_full_visible_line_wrap_index();
if (cur_line < first_vis_line || (cur_line == first_vis_line && cur_wrap < first_vis_wrap)) {
// Caret is above screen.
set_line_as_first_visible(cur_line, cur_wrap);
} else if (cur_line > last_vis_line || (cur_line == last_vis_line && cur_wrap > last_vis_wrap)) {
// Caret is below screen.
set_line_as_last_visible(cur_line, cur_wrap);
}
int visible_width = get_size().width - style_normal->get_minimum_size().width - gutters_width - gutter_padding;
if (draw_minimap) {
visible_width -= minimap_width;
}
if (v_scroll->is_visible_in_tree()) {
visible_width -= v_scroll->get_combined_minimum_size().width;
}
visible_width -= 20; // Give it a little more space.
if (get_line_wrapping_mode() == LineWrappingMode::LINE_WRAPPING_NONE) {
// Adjust x offset.
Vector2i caret_pos;
// Get position of the start of caret.
if (ime_text.length() != 0 && ime_selection.x != 0) {
caret_pos.x = _get_column_x_offset_for_line(caret.column + ime_selection.x, caret.line);
} else {
caret_pos.x = _get_column_x_offset_for_line(caret.column, caret.line);
}
// Get position of the end of caret.
if (ime_text.length() != 0) {
if (ime_selection.y != 0) {
caret_pos.y = _get_column_x_offset_for_line(caret.column + ime_selection.x + ime_selection.y, caret.line);
} else {
caret_pos.y = _get_column_x_offset_for_line(caret.column + ime_text.size(), caret.line);
}
} else {
caret_pos.y = caret_pos.x;
}
if (MAX(caret_pos.x, caret_pos.y) > (caret.x_ofs + visible_width)) {
caret.x_ofs = MAX(caret_pos.x, caret_pos.y) - visible_width + 1;
}
if (MIN(caret_pos.x, caret_pos.y) < caret.x_ofs) {
caret.x_ofs = MIN(caret_pos.x, caret_pos.y);
}
} else {
caret.x_ofs = 0;
}
h_scroll->set_value(caret.x_ofs);
update();
}
void TextEdit::center_viewport_to_caret() {
// Move viewport so the caret is in the center of the screen.
scrolling = false;
minimap_clicked = false;
set_line_as_center_visible(caret.line, get_caret_wrap_index());
int visible_width = get_size().width - style_normal->get_minimum_size().width - gutters_width - gutter_padding;
if (draw_minimap) {
visible_width -= minimap_width;
}
if (v_scroll->is_visible_in_tree()) {
visible_width -= v_scroll->get_combined_minimum_size().width;
}
visible_width -= 20; // Give it a little more space.
if (get_line_wrapping_mode() != LineWrappingMode::LINE_WRAPPING_NONE) {
// Center x offset.
Vector2i caret_pos;
// Get position of the start of caret.
if (ime_text.length() != 0 && ime_selection.x != 0) {
caret_pos.x = _get_column_x_offset_for_line(caret.column + ime_selection.x, caret.line);
} else {
caret_pos.x = _get_column_x_offset_for_line(caret.column, caret.line);
}
// Get position of the end of caret.
if (ime_text.length() != 0) {
if (ime_selection.y != 0) {
caret_pos.y = _get_column_x_offset_for_line(caret.column + ime_selection.x + ime_selection.y, caret.line);
} else {
caret_pos.y = _get_column_x_offset_for_line(caret.column + ime_text.size(), caret.line);
}
} else {
caret_pos.y = caret_pos.x;
}
if (MAX(caret_pos.x, caret_pos.y) > (caret.x_ofs + visible_width)) {
caret.x_ofs = MAX(caret_pos.x, caret_pos.y) - visible_width + 1;
}
if (MIN(caret_pos.x, caret_pos.y) < caret.x_ofs) {
caret.x_ofs = MIN(caret_pos.x, caret_pos.y);
}
} else {
caret.x_ofs = 0;
}
h_scroll->set_value(caret.x_ofs);
update();
}
/* Minimap */
void TextEdit::set_draw_minimap(bool p_enabled) {
if (draw_minimap != p_enabled) {
draw_minimap = p_enabled;
_update_wrap_at_column();
}
update();
}
bool TextEdit::is_drawing_minimap() const {
return draw_minimap;
}
void TextEdit::set_minimap_width(int p_minimap_width) {
if (minimap_width != p_minimap_width) {
minimap_width = p_minimap_width;
_update_wrap_at_column();
}
update();
}
int TextEdit::get_minimap_width() const {
return minimap_width;
}
int TextEdit::get_minimap_visible_lines() const {
return _get_control_height() / (minimap_char_size.y + minimap_line_spacing);
}
/* Gutters. */
void TextEdit::add_gutter(int p_at) {
if (p_at < 0 || p_at > gutters.size()) {
gutters.push_back(GutterInfo());
} else {
gutters.insert(p_at, GutterInfo());
}
for (int i = 0; i < text.size() + 1; i++) {
text.add_gutter(p_at);
}
emit_signal(SNAME("gutter_added"));
update();
}
void TextEdit::remove_gutter(int p_gutter) {
ERR_FAIL_INDEX(p_gutter, gutters.size());
gutters.remove_at(p_gutter);
for (int i = 0; i < text.size() + 1; i++) {
text.remove_gutter(p_gutter);
}
emit_signal(SNAME("gutter_removed"));
update();
}
int TextEdit::get_gutter_count() const {
return gutters.size();
}
void TextEdit::set_gutter_name(int p_gutter, const String &p_name) {
ERR_FAIL_INDEX(p_gutter, gutters.size());
gutters.write[p_gutter].name = p_name;
}
String TextEdit::get_gutter_name(int p_gutter) const {
ERR_FAIL_INDEX_V(p_gutter, gutters.size(), "");
return gutters[p_gutter].name;
}
void TextEdit::set_gutter_type(int p_gutter, GutterType p_type) {
ERR_FAIL_INDEX(p_gutter, gutters.size());
gutters.write[p_gutter].type = p_type;
update();
}
TextEdit::GutterType TextEdit::get_gutter_type(int p_gutter) const {
ERR_FAIL_INDEX_V(p_gutter, gutters.size(), GUTTER_TYPE_STRING);
return gutters[p_gutter].type;
}
void TextEdit::set_gutter_width(int p_gutter, int p_width) {
ERR_FAIL_INDEX(p_gutter, gutters.size());
if (gutters[p_gutter].width == p_width) {
return;
}
gutters.write[p_gutter].width = p_width;
_update_gutter_width();
}
int TextEdit::get_gutter_width(int p_gutter) const {
ERR_FAIL_INDEX_V(p_gutter, gutters.size(), -1);
return gutters[p_gutter].width;
}
int TextEdit::get_total_gutter_width() const {
return gutters_width + gutter_padding;
}
void TextEdit::set_gutter_draw(int p_gutter, bool p_draw) {
ERR_FAIL_INDEX(p_gutter, gutters.size());
if (gutters[p_gutter].draw == p_draw) {
return;
}
gutters.write[p_gutter].draw = p_draw;
_update_gutter_width();
}
bool TextEdit::is_gutter_drawn(int p_gutter) const {
ERR_FAIL_INDEX_V(p_gutter, gutters.size(), false);
return gutters[p_gutter].draw;
}
void TextEdit::set_gutter_clickable(int p_gutter, bool p_clickable) {
ERR_FAIL_INDEX(p_gutter, gutters.size());
gutters.write[p_gutter].clickable = p_clickable;
update();
}
bool TextEdit::is_gutter_clickable(int p_gutter) const {
ERR_FAIL_INDEX_V(p_gutter, gutters.size(), false);
return gutters[p_gutter].clickable;
}
void TextEdit::set_gutter_overwritable(int p_gutter, bool p_overwritable) {
ERR_FAIL_INDEX(p_gutter, gutters.size());
gutters.write[p_gutter].overwritable = p_overwritable;
}
bool TextEdit::is_gutter_overwritable(int p_gutter) const {
ERR_FAIL_INDEX_V(p_gutter, gutters.size(), false);
return gutters[p_gutter].overwritable;
}
void TextEdit::merge_gutters(int p_from_line, int p_to_line) {
ERR_FAIL_INDEX(p_from_line, text.size());
ERR_FAIL_INDEX(p_to_line, text.size());
if (p_from_line == p_to_line) {
return;
}
for (int i = 0; i < gutters.size(); i++) {
if (!gutters[i].overwritable) {
continue;
}
if (text.get_line_gutter_text(p_from_line, i) != "") {
text.set_line_gutter_text(p_to_line, i, text.get_line_gutter_text(p_from_line, i));
text.set_line_gutter_item_color(p_to_line, i, text.get_line_gutter_item_color(p_from_line, i));
}
if (text.get_line_gutter_icon(p_from_line, i).is_valid()) {
text.set_line_gutter_icon(p_to_line, i, text.get_line_gutter_icon(p_from_line, i));
text.set_line_gutter_item_color(p_to_line, i, text.get_line_gutter_item_color(p_from_line, i));
}
if (text.get_line_gutter_metadata(p_from_line, i) != "") {
text.set_line_gutter_metadata(p_to_line, i, text.get_line_gutter_metadata(p_from_line, i));
}
if (text.is_line_gutter_clickable(p_from_line, i)) {
text.set_line_gutter_clickable(p_to_line, i, true);
}
}
update();
}
void TextEdit::set_gutter_custom_draw(int p_gutter, Object *p_object, const StringName &p_callback) {
ERR_FAIL_INDEX(p_gutter, gutters.size());
ERR_FAIL_NULL(p_object);
gutters.write[p_gutter].custom_draw_obj = p_object->get_instance_id();
gutters.write[p_gutter].custom_draw_callback = p_callback;
update();
}
// Line gutters.
void TextEdit::set_line_gutter_metadata(int p_line, int p_gutter, const Variant &p_metadata) {
ERR_FAIL_INDEX(p_line, text.size());
ERR_FAIL_INDEX(p_gutter, gutters.size());
text.set_line_gutter_metadata(p_line, p_gutter, p_metadata);
}
Variant TextEdit::get_line_gutter_metadata(int p_line, int p_gutter) const {
ERR_FAIL_INDEX_V(p_line, text.size(), "");
ERR_FAIL_INDEX_V(p_gutter, gutters.size(), "");
return text.get_line_gutter_metadata(p_line, p_gutter);
}
void TextEdit::set_line_gutter_text(int p_line, int p_gutter, const String &p_text) {
ERR_FAIL_INDEX(p_line, text.size());
ERR_FAIL_INDEX(p_gutter, gutters.size());
text.set_line_gutter_text(p_line, p_gutter, p_text);
update();
}
String TextEdit::get_line_gutter_text(int p_line, int p_gutter) const {
ERR_FAIL_INDEX_V(p_line, text.size(), "");
ERR_FAIL_INDEX_V(p_gutter, gutters.size(), "");
return text.get_line_gutter_text(p_line, p_gutter);
}
void TextEdit::set_line_gutter_icon(int p_line, int p_gutter, const Ref<Texture2D> &p_icon) {
ERR_FAIL_INDEX(p_line, text.size());
ERR_FAIL_INDEX(p_gutter, gutters.size());
text.set_line_gutter_icon(p_line, p_gutter, p_icon);
update();
}
Ref<Texture2D> TextEdit::get_line_gutter_icon(int p_line, int p_gutter) const {
ERR_FAIL_INDEX_V(p_line, text.size(), Ref<Texture2D>());
ERR_FAIL_INDEX_V(p_gutter, gutters.size(), Ref<Texture2D>());
return text.get_line_gutter_icon(p_line, p_gutter);
}
void TextEdit::set_line_gutter_item_color(int p_line, int p_gutter, const Color &p_color) {
ERR_FAIL_INDEX(p_line, text.size());
ERR_FAIL_INDEX(p_gutter, gutters.size());
text.set_line_gutter_item_color(p_line, p_gutter, p_color);
update();
}
Color TextEdit::get_line_gutter_item_color(int p_line, int p_gutter) const {
ERR_FAIL_INDEX_V(p_line, text.size(), Color());
ERR_FAIL_INDEX_V(p_gutter, gutters.size(), Color());
return text.get_line_gutter_item_color(p_line, p_gutter);
}
void TextEdit::set_line_gutter_clickable(int p_line, int p_gutter, bool p_clickable) {
ERR_FAIL_INDEX(p_line, text.size());
ERR_FAIL_INDEX(p_gutter, gutters.size());
text.set_line_gutter_clickable(p_line, p_gutter, p_clickable);
}
bool TextEdit::is_line_gutter_clickable(int p_line, int p_gutter) const {
ERR_FAIL_INDEX_V(p_line, text.size(), false);
ERR_FAIL_INDEX_V(p_gutter, gutters.size(), false);
return text.is_line_gutter_clickable(p_line, p_gutter);
}
// Line style
void TextEdit::set_line_background_color(int p_line, const Color &p_color) {
ERR_FAIL_INDEX(p_line, text.size());
text.set_line_background_color(p_line, p_color);
update();
}
Color TextEdit::get_line_background_color(int p_line) const {
ERR_FAIL_INDEX_V(p_line, text.size(), Color());
return text.get_line_background_color(p_line);
}
/* Syntax Highlighting. */
void TextEdit::set_syntax_highlighter(Ref<SyntaxHighlighter> p_syntax_highlighter) {
syntax_highlighter = p_syntax_highlighter;
if (syntax_highlighter.is_valid()) {
syntax_highlighter->set_text_edit(this);
}
update();
}
Ref<SyntaxHighlighter> TextEdit::get_syntax_highlighter() const {
return syntax_highlighter;
}
/* Visual. */
void TextEdit::set_highlight_current_line(bool p_enabled) {
highlight_current_line = p_enabled;
update();
}
bool TextEdit::is_highlight_current_line_enabled() const {
return highlight_current_line;
}
void TextEdit::set_highlight_all_occurrences(const bool p_enabled) {
highlight_all_occurrences = p_enabled;
update();
}
bool TextEdit::is_highlight_all_occurrences_enabled() const {
return highlight_all_occurrences;
}
void TextEdit::set_draw_control_chars(bool p_enabled) {
if (draw_control_chars != p_enabled) {
draw_control_chars = p_enabled;
if (menu) {
menu->set_item_checked(menu->get_item_index(MENU_DISPLAY_UCC), draw_control_chars);
}
text.set_draw_control_chars(draw_control_chars);
text.invalidate_all();
update();
}
}
bool TextEdit::get_draw_control_chars() const {
return draw_control_chars;
}
void TextEdit::set_draw_tabs(bool p_enabled) {
draw_tabs = p_enabled;
update();
}
bool TextEdit::is_drawing_tabs() const {
return draw_tabs;
}
void TextEdit::set_draw_spaces(bool p_enabled) {
draw_spaces = p_enabled;
update();
}
bool TextEdit::is_drawing_spaces() const {
return draw_spaces;
}
void TextEdit::_bind_methods() {
/*Internal. */
ClassDB::bind_method(D_METHOD("_text_changed_emit"), &TextEdit::_text_changed_emit);
/* Text */
// Text properties
ClassDB::bind_method(D_METHOD("has_ime_text"), &TextEdit::has_ime_text);
ClassDB::bind_method(D_METHOD("set_editable", "enabled"), &TextEdit::set_editable);
ClassDB::bind_method(D_METHOD("is_editable"), &TextEdit::is_editable);
ClassDB::bind_method(D_METHOD("set_text_direction", "direction"), &TextEdit::set_text_direction);
ClassDB::bind_method(D_METHOD("get_text_direction"), &TextEdit::get_text_direction);
ClassDB::bind_method(D_METHOD("set_opentype_feature", "tag", "value"), &TextEdit::set_opentype_feature);
ClassDB::bind_method(D_METHOD("get_opentype_feature", "tag"), &TextEdit::get_opentype_feature);
ClassDB::bind_method(D_METHOD("clear_opentype_features"), &TextEdit::clear_opentype_features);
ClassDB::bind_method(D_METHOD("set_language", "language"), &TextEdit::set_language);
ClassDB::bind_method(D_METHOD("get_language"), &TextEdit::get_language);
ClassDB::bind_method(D_METHOD("set_structured_text_bidi_override", "parser"), &TextEdit::set_structured_text_bidi_override);
ClassDB::bind_method(D_METHOD("get_structured_text_bidi_override"), &TextEdit::get_structured_text_bidi_override);
ClassDB::bind_method(D_METHOD("set_structured_text_bidi_override_options", "args"), &TextEdit::set_structured_text_bidi_override_options);
ClassDB::bind_method(D_METHOD("get_structured_text_bidi_override_options"), &TextEdit::get_structured_text_bidi_override_options);
ClassDB::bind_method(D_METHOD("set_tab_size", "size"), &TextEdit::set_tab_size);
ClassDB::bind_method(D_METHOD("get_tab_size"), &TextEdit::get_tab_size);
// User controls
ClassDB::bind_method(D_METHOD("set_overtype_mode_enabled", "enabled"), &TextEdit::set_overtype_mode_enabled);
ClassDB::bind_method(D_METHOD("is_overtype_mode_enabled"), &TextEdit::is_overtype_mode_enabled);
ClassDB::bind_method(D_METHOD("set_context_menu_enabled", "enabled"), &TextEdit::set_context_menu_enabled);
ClassDB::bind_method(D_METHOD("is_context_menu_enabled"), &TextEdit::is_context_menu_enabled);
ClassDB::bind_method(D_METHOD("set_shortcut_keys_enabled", "enabled"), &TextEdit::set_shortcut_keys_enabled);
ClassDB::bind_method(D_METHOD("is_shortcut_keys_enabled"), &TextEdit::is_shortcut_keys_enabled);
ClassDB::bind_method(D_METHOD("set_virtual_keyboard_enabled", "enabled"), &TextEdit::set_virtual_keyboard_enabled);
ClassDB::bind_method(D_METHOD("is_virtual_keyboard_enabled"), &TextEdit::is_virtual_keyboard_enabled);
ClassDB::bind_method(D_METHOD("set_middle_mouse_paste_enabled", "enabled"), &TextEdit::set_middle_mouse_paste_enabled);
ClassDB::bind_method(D_METHOD("is_middle_mouse_paste_enabled"), &TextEdit::is_middle_mouse_paste_enabled);
// Text manipulation
ClassDB::bind_method(D_METHOD("clear"), &TextEdit::clear);
ClassDB::bind_method(D_METHOD("set_text", "text"), &TextEdit::set_text);
ClassDB::bind_method(D_METHOD("get_text"), &TextEdit::get_text);
ClassDB::bind_method(D_METHOD("get_line_count"), &TextEdit::get_line_count);
ClassDB::bind_method(D_METHOD("set_line", "line", "new_text"), &TextEdit::set_line);
ClassDB::bind_method(D_METHOD("get_line", "line"), &TextEdit::get_line);
ClassDB::bind_method(D_METHOD("get_line_width", "line", "wrap_index"), &TextEdit::get_line_width, DEFVAL(-1));
ClassDB::bind_method(D_METHOD("get_line_height"), &TextEdit::get_line_height);
ClassDB::bind_method(D_METHOD("get_indent_level", "line"), &TextEdit::get_indent_level);
ClassDB::bind_method(D_METHOD("get_first_non_whitespace_column", "line"), &TextEdit::get_first_non_whitespace_column);
ClassDB::bind_method(D_METHOD("swap_lines", "from_line", "to_line"), &TextEdit::swap_lines);
ClassDB::bind_method(D_METHOD("insert_line_at", "line", "text"), &TextEdit::insert_line_at);
ClassDB::bind_method(D_METHOD("insert_text_at_caret", "text"), &TextEdit::insert_text_at_caret);
ClassDB::bind_method(D_METHOD("remove_text", "from_line", "from_column", "to_line", "to_column"), &TextEdit::remove_text);
ClassDB::bind_method(D_METHOD("get_last_unhidden_line"), &TextEdit::get_last_unhidden_line);
ClassDB::bind_method(D_METHOD("get_next_visible_line_offset_from", "line", "visible_amount"), &TextEdit::get_next_visible_line_offset_from);
ClassDB::bind_method(D_METHOD("get_next_visible_line_index_offset_from", "line", "wrap_index", "visible_amount"), &TextEdit::get_next_visible_line_index_offset_from);
// Overridable actions
ClassDB::bind_method(D_METHOD("backspace"), &TextEdit::backspace);
ClassDB::bind_method(D_METHOD("cut"), &TextEdit::cut);
ClassDB::bind_method(D_METHOD("copy"), &TextEdit::copy);
ClassDB::bind_method(D_METHOD("paste"), &TextEdit::paste);
GDVIRTUAL_BIND(_handle_unicode_input, "unicode_char")
GDVIRTUAL_BIND(_backspace)
GDVIRTUAL_BIND(_cut)
GDVIRTUAL_BIND(_copy)
GDVIRTUAL_BIND(_paste)
GDVIRTUAL_BIND(_paste_primary_clipboard)
// Context Menu
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_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_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);
/* Versioning */
ClassDB::bind_method(D_METHOD("begin_complex_operation"), &TextEdit::begin_complex_operation);
ClassDB::bind_method(D_METHOD("end_complex_operation"), &TextEdit::end_complex_operation);
ClassDB::bind_method(D_METHOD("has_undo"), &TextEdit::has_undo);
ClassDB::bind_method(D_METHOD("has_redo"), &TextEdit::has_redo);
ClassDB::bind_method(D_METHOD("undo"), &TextEdit::undo);
ClassDB::bind_method(D_METHOD("redo"), &TextEdit::redo);
ClassDB::bind_method(D_METHOD("clear_undo_history"), &TextEdit::clear_undo_history);
ClassDB::bind_method(D_METHOD("tag_saved_version"), &TextEdit::tag_saved_version);
ClassDB::bind_method(D_METHOD("get_version"), &TextEdit::get_version);
ClassDB::bind_method(D_METHOD("get_saved_version"), &TextEdit::get_saved_version);
/* Search */
BIND_ENUM_CONSTANT(SEARCH_MATCH_CASE);
BIND_ENUM_CONSTANT(SEARCH_WHOLE_WORDS);
BIND_ENUM_CONSTANT(SEARCH_BACKWARDS);
ClassDB::bind_method(D_METHOD("set_search_text", "search_text"), &TextEdit::set_search_text);
ClassDB::bind_method(D_METHOD("set_search_flags", "flags"), &TextEdit::set_search_flags);
ClassDB::bind_method(D_METHOD("search", "text", "flags", "from_line", "from_colum"), &TextEdit::search);
/* Tooltip */
ClassDB::bind_method(D_METHOD("set_tooltip_request_func", "object", "callback", "data"), &TextEdit::set_tooltip_request_func);
/* Mouse */
ClassDB::bind_method(D_METHOD("get_local_mouse_pos"), &TextEdit::get_local_mouse_pos);
ClassDB::bind_method(D_METHOD("get_word_at_pos", "position"), &TextEdit::get_word_at_pos);
ClassDB::bind_method(D_METHOD("get_line_column_at_pos", "position", "allow_out_of_bounds"), &TextEdit::get_line_column_at_pos, DEFVAL(true));
ClassDB::bind_method(D_METHOD("get_pos_at_line_column", "line", "column"), &TextEdit::get_pos_at_line_column);
ClassDB::bind_method(D_METHOD("get_rect_at_line_column", "line", "column"), &TextEdit::get_rect_at_line_column);
ClassDB::bind_method(D_METHOD("get_minimap_line_at_pos", "position"), &TextEdit::get_minimap_line_at_pos);
ClassDB::bind_method(D_METHOD("is_dragging_cursor"), &TextEdit::is_dragging_cursor);
ClassDB::bind_method(D_METHOD("is_mouse_over_selection", "edges"), &TextEdit::is_mouse_over_selection);
/* Caret. */
BIND_ENUM_CONSTANT(CARET_TYPE_LINE);
BIND_ENUM_CONSTANT(CARET_TYPE_BLOCK);
// internal.
ClassDB::bind_method(D_METHOD("_emit_caret_changed"), &TextEdit::_emit_caret_changed);
ClassDB::bind_method(D_METHOD("set_caret_type", "type"), &TextEdit::set_caret_type);
ClassDB::bind_method(D_METHOD("get_caret_type"), &TextEdit::get_caret_type);
ClassDB::bind_method(D_METHOD("set_caret_blink_enabled", "enable"), &TextEdit::set_caret_blink_enabled);
ClassDB::bind_method(D_METHOD("is_caret_blink_enabled"), &TextEdit::is_caret_blink_enabled);
ClassDB::bind_method(D_METHOD("set_caret_blink_speed", "blink_speed"), &TextEdit::set_caret_blink_speed);
ClassDB::bind_method(D_METHOD("get_caret_blink_speed"), &TextEdit::get_caret_blink_speed);
ClassDB::bind_method(D_METHOD("set_move_caret_on_right_click_enabled", "enable"), &TextEdit::set_move_caret_on_right_click_enabled);
ClassDB::bind_method(D_METHOD("is_move_caret_on_right_click_enabled"), &TextEdit::is_move_caret_on_right_click_enabled);
ClassDB::bind_method(D_METHOD("set_caret_mid_grapheme_enabled", "enabled"), &TextEdit::set_caret_mid_grapheme_enabled);
ClassDB::bind_method(D_METHOD("is_caret_mid_grapheme_enabled"), &TextEdit::is_caret_mid_grapheme_enabled);
ClassDB::bind_method(D_METHOD("is_caret_visible"), &TextEdit::is_caret_visible);
ClassDB::bind_method(D_METHOD("get_caret_draw_pos"), &TextEdit::get_caret_draw_pos);
ClassDB::bind_method(D_METHOD("set_caret_line", "line", "adjust_viewport", "can_be_hidden", "wrap_index"), &TextEdit::set_caret_line, DEFVAL(true), DEFVAL(true), DEFVAL(0));
ClassDB::bind_method(D_METHOD("get_caret_line"), &TextEdit::get_caret_line);
ClassDB::bind_method(D_METHOD("set_caret_column", "column", "adjust_viewport"), &TextEdit::set_caret_column, DEFVAL(true));
ClassDB::bind_method(D_METHOD("get_caret_column"), &TextEdit::get_caret_column);
ClassDB::bind_method(D_METHOD("get_caret_wrap_index"), &TextEdit::get_caret_wrap_index);
ClassDB::bind_method(D_METHOD("get_word_under_caret"), &TextEdit::get_word_under_caret);
/* Selection. */
BIND_ENUM_CONSTANT(SELECTION_MODE_NONE);
BIND_ENUM_CONSTANT(SELECTION_MODE_SHIFT);
BIND_ENUM_CONSTANT(SELECTION_MODE_POINTER);
BIND_ENUM_CONSTANT(SELECTION_MODE_WORD);
BIND_ENUM_CONSTANT(SELECTION_MODE_LINE);
ClassDB::bind_method(D_METHOD("set_selecting_enabled", "enable"), &TextEdit::set_selecting_enabled);
ClassDB::bind_method(D_METHOD("is_selecting_enabled"), &TextEdit::is_selecting_enabled);
ClassDB::bind_method(D_METHOD("set_deselect_on_focus_loss_enabled", "enable"), &TextEdit::set_deselect_on_focus_loss_enabled);
ClassDB::bind_method(D_METHOD("is_deselect_on_focus_loss_enabled"), &TextEdit::is_deselect_on_focus_loss_enabled);
ClassDB::bind_method(D_METHOD("set_override_selected_font_color", "override"), &TextEdit::set_override_selected_font_color);
ClassDB::bind_method(D_METHOD("is_overriding_selected_font_color"), &TextEdit::is_overriding_selected_font_color);
ClassDB::bind_method(D_METHOD("set_selection_mode", "mode", "line", "column"), &TextEdit::set_selection_mode, DEFVAL(-1), DEFVAL(-1));
ClassDB::bind_method(D_METHOD("get_selection_mode"), &TextEdit::get_selection_mode);
ClassDB::bind_method(D_METHOD("select_all"), &TextEdit::select_all);
ClassDB::bind_method(D_METHOD("select_word_under_caret"), &TextEdit::select_word_under_caret);
ClassDB::bind_method(D_METHOD("select", "from_line", "from_column", "to_line", "to_column"), &TextEdit::select);
ClassDB::bind_method(D_METHOD("has_selection"), &TextEdit::has_selection);
ClassDB::bind_method(D_METHOD("get_selected_text"), &TextEdit::get_selected_text);
ClassDB::bind_method(D_METHOD("get_selection_line"), &TextEdit::get_selection_line);
ClassDB::bind_method(D_METHOD("get_selection_column"), &TextEdit::get_selection_column);
ClassDB::bind_method(D_METHOD("get_selection_from_line"), &TextEdit::get_selection_from_line);
ClassDB::bind_method(D_METHOD("get_selection_from_column"), &TextEdit::get_selection_from_column);
ClassDB::bind_method(D_METHOD("get_selection_to_line"), &TextEdit::get_selection_to_line);
ClassDB::bind_method(D_METHOD("get_selection_to_column"), &TextEdit::get_selection_to_column);
ClassDB::bind_method(D_METHOD("deselect"), &TextEdit::deselect);
ClassDB::bind_method(D_METHOD("delete_selection"), &TextEdit::delete_selection);
/* Line wrapping. */
BIND_ENUM_CONSTANT(LINE_WRAPPING_NONE);
BIND_ENUM_CONSTANT(LINE_WRAPPING_BOUNDARY);
// internal.
ClassDB::bind_method(D_METHOD("_update_wrap_at_column", "force"), &TextEdit::_update_wrap_at_column, DEFVAL(false));
ClassDB::bind_method(D_METHOD("set_line_wrapping_mode", "mode"), &TextEdit::set_line_wrapping_mode);
ClassDB::bind_method(D_METHOD("get_line_wrapping_mode"), &TextEdit::get_line_wrapping_mode);
ClassDB::bind_method(D_METHOD("is_line_wrapped", "line"), &TextEdit::is_line_wrapped);
ClassDB::bind_method(D_METHOD("get_line_wrap_count", "line"), &TextEdit::get_line_wrap_count);
ClassDB::bind_method(D_METHOD("get_line_wrap_index_at_column", "line", "column"), &TextEdit::get_line_wrap_index_at_column);
ClassDB::bind_method(D_METHOD("get_line_wrapped_text", "line"), &TextEdit::get_line_wrapped_text);
/* Viewport. */
// Scolling.
ClassDB::bind_method(D_METHOD("set_smooth_scroll_enable", "enable"), &TextEdit::set_smooth_scroll_enabled);
ClassDB::bind_method(D_METHOD("is_smooth_scroll_enabled"), &TextEdit::is_smooth_scroll_enabled);
ClassDB::bind_method(D_METHOD("set_v_scroll", "value"), &TextEdit::set_v_scroll);
ClassDB::bind_method(D_METHOD("get_v_scroll"), &TextEdit::get_v_scroll);
ClassDB::bind_method(D_METHOD("set_h_scroll", "value"), &TextEdit::set_h_scroll);
ClassDB::bind_method(D_METHOD("get_h_scroll"), &TextEdit::get_h_scroll);
ClassDB::bind_method(D_METHOD("set_scroll_past_end_of_file_enabled", "enable"), &TextEdit::set_scroll_past_end_of_file_enabled);
ClassDB::bind_method(D_METHOD("is_scroll_past_end_of_file_enabled"), &TextEdit::is_scroll_past_end_of_file_enabled);
ClassDB::bind_method(D_METHOD("set_v_scroll_speed", "speed"), &TextEdit::set_v_scroll_speed);
ClassDB::bind_method(D_METHOD("get_v_scroll_speed"), &TextEdit::get_v_scroll_speed);
ClassDB::bind_method(D_METHOD("get_scroll_pos_for_line", "line", "wrap_index"), &TextEdit::get_scroll_pos_for_line, DEFVAL(0));
// Visible lines.
ClassDB::bind_method(D_METHOD("set_line_as_first_visible", "line", "wrap_index"), &TextEdit::set_line_as_first_visible, DEFVAL(0));
ClassDB::bind_method(D_METHOD("get_first_visible_line"), &TextEdit::get_first_visible_line);
ClassDB::bind_method(D_METHOD("set_line_as_center_visible", "line", "wrap_index"), &TextEdit::set_line_as_center_visible, DEFVAL(0));
ClassDB::bind_method(D_METHOD("set_line_as_last_visible", "line", "wrap_index"), &TextEdit::set_line_as_last_visible, DEFVAL(0));
ClassDB::bind_method(D_METHOD("get_last_full_visible_line"), &TextEdit::get_last_full_visible_line);
ClassDB::bind_method(D_METHOD("get_last_full_visible_line_wrap_index"), &TextEdit::get_last_full_visible_line_wrap_index);
ClassDB::bind_method(D_METHOD("get_visible_line_count"), &TextEdit::get_visible_line_count);
ClassDB::bind_method(D_METHOD("get_visible_line_count_in_range", "from_line", "to_line"), &TextEdit::get_visible_line_count_in_range);
ClassDB::bind_method(D_METHOD("get_total_visible_line_count"), &TextEdit::get_total_visible_line_count);
// Auto adjust
ClassDB::bind_method(D_METHOD("adjust_viewport_to_caret"), &TextEdit::adjust_viewport_to_caret);
ClassDB::bind_method(D_METHOD("center_viewport_to_caret"), &TextEdit::center_viewport_to_caret);
// Minimap
ClassDB::bind_method(D_METHOD("set_draw_minimap", "enabled"), &TextEdit::set_draw_minimap);
ClassDB::bind_method(D_METHOD("is_drawing_minimap"), &TextEdit::is_drawing_minimap);
ClassDB::bind_method(D_METHOD("set_minimap_width", "width"), &TextEdit::set_minimap_width);
ClassDB::bind_method(D_METHOD("get_minimap_width"), &TextEdit::get_minimap_width);
ClassDB::bind_method(D_METHOD("get_minimap_visible_lines"), &TextEdit::get_minimap_visible_lines);
/* Gutters. */
BIND_ENUM_CONSTANT(GUTTER_TYPE_STRING);
BIND_ENUM_CONSTANT(GUTTER_TYPE_ICON);
BIND_ENUM_CONSTANT(GUTTER_TYPE_CUSTOM);
ClassDB::bind_method(D_METHOD("add_gutter", "at"), &TextEdit::add_gutter, DEFVAL(-1));
ClassDB::bind_method(D_METHOD("remove_gutter", "gutter"), &TextEdit::remove_gutter);
ClassDB::bind_method(D_METHOD("get_gutter_count"), &TextEdit::get_gutter_count);
ClassDB::bind_method(D_METHOD("set_gutter_name", "gutter", "name"), &TextEdit::set_gutter_name);
ClassDB::bind_method(D_METHOD("get_gutter_name", "gutter"), &TextEdit::get_gutter_name);
ClassDB::bind_method(D_METHOD("set_gutter_type", "gutter", "type"), &TextEdit::set_gutter_type);
ClassDB::bind_method(D_METHOD("get_gutter_type", "gutter"), &TextEdit::get_gutter_type);
ClassDB::bind_method(D_METHOD("set_gutter_width", "gutter", "width"), &TextEdit::set_gutter_width);
ClassDB::bind_method(D_METHOD("get_gutter_width", "gutter"), &TextEdit::get_gutter_width);
ClassDB::bind_method(D_METHOD("set_gutter_draw", "gutter", "draw"), &TextEdit::set_gutter_draw);
ClassDB::bind_method(D_METHOD("is_gutter_drawn", "gutter"), &TextEdit::is_gutter_drawn);
ClassDB::bind_method(D_METHOD("set_gutter_clickable", "gutter", "clickable"), &TextEdit::set_gutter_clickable);
ClassDB::bind_method(D_METHOD("is_gutter_clickable", "gutter"), &TextEdit::is_gutter_clickable);
ClassDB::bind_method(D_METHOD("set_gutter_overwritable", "gutter", "overwritable"), &TextEdit::set_gutter_overwritable);
ClassDB::bind_method(D_METHOD("is_gutter_overwritable", "gutter"), &TextEdit::is_gutter_overwritable);
ClassDB::bind_method(D_METHOD("merge_gutters", "from_line", "to_line"), &TextEdit::merge_gutters);
ClassDB::bind_method(D_METHOD("set_gutter_custom_draw", "column", "object", "callback"), &TextEdit::set_gutter_custom_draw);
ClassDB::bind_method(D_METHOD("get_total_gutter_width"), &TextEdit::get_total_gutter_width);
// Line gutters.
ClassDB::bind_method(D_METHOD("set_line_gutter_metadata", "line", "gutter", "metadata"), &TextEdit::set_line_gutter_metadata);
ClassDB::bind_method(D_METHOD("get_line_gutter_metadata", "line", "gutter"), &TextEdit::get_line_gutter_metadata);
ClassDB::bind_method(D_METHOD("set_line_gutter_text", "line", "gutter", "text"), &TextEdit::set_line_gutter_text);
ClassDB::bind_method(D_METHOD("get_line_gutter_text", "line", "gutter"), &TextEdit::get_line_gutter_text);
ClassDB::bind_method(D_METHOD("set_line_gutter_icon", "line", "gutter", "icon"), &TextEdit::set_line_gutter_icon);
ClassDB::bind_method(D_METHOD("get_line_gutter_icon", "line", "gutter"), &TextEdit::get_line_gutter_icon);
ClassDB::bind_method(D_METHOD("set_line_gutter_item_color", "line", "gutter", "color"), &TextEdit::set_line_gutter_item_color);
ClassDB::bind_method(D_METHOD("get_line_gutter_item_color", "line", "gutter"), &TextEdit::get_line_gutter_item_color);
ClassDB::bind_method(D_METHOD("set_line_gutter_clickable", "line", "gutter", "clickable"), &TextEdit::set_line_gutter_clickable);
ClassDB::bind_method(D_METHOD("is_line_gutter_clickable", "line", "gutter"), &TextEdit::is_line_gutter_clickable);
// Line style
ClassDB::bind_method(D_METHOD("set_line_background_color", "line", "color"), &TextEdit::set_line_background_color);
ClassDB::bind_method(D_METHOD("get_line_background_color", "line"), &TextEdit::get_line_background_color);
/* Syntax Highlighting. */
ClassDB::bind_method(D_METHOD("set_syntax_highlighter", "syntax_highlighter"), &TextEdit::set_syntax_highlighter);
ClassDB::bind_method(D_METHOD("get_syntax_highlighter"), &TextEdit::get_syntax_highlighter);
/* Visual. */
ClassDB::bind_method(D_METHOD("set_highlight_current_line", "enabled"), &TextEdit::set_highlight_current_line);
ClassDB::bind_method(D_METHOD("is_highlight_current_line_enabled"), &TextEdit::is_highlight_current_line_enabled);
ClassDB::bind_method(D_METHOD("set_highlight_all_occurrences", "enabled"), &TextEdit::set_highlight_all_occurrences);
ClassDB::bind_method(D_METHOD("is_highlight_all_occurrences_enabled"), &TextEdit::is_highlight_all_occurrences_enabled);
ClassDB::bind_method(D_METHOD("get_draw_control_chars"), &TextEdit::get_draw_control_chars);
ClassDB::bind_method(D_METHOD("set_draw_control_chars", "enabled"), &TextEdit::set_draw_control_chars);
ClassDB::bind_method(D_METHOD("set_draw_tabs", "enabled"), &TextEdit::set_draw_tabs);
ClassDB::bind_method(D_METHOD("is_drawing_tabs"), &TextEdit::is_drawing_tabs);
ClassDB::bind_method(D_METHOD("set_draw_spaces", "enabled"), &TextEdit::set_draw_spaces);
ClassDB::bind_method(D_METHOD("is_drawing_spaces"), &TextEdit::is_drawing_spaces);
ClassDB::bind_method(D_METHOD("get_menu"), &TextEdit::get_menu);
ClassDB::bind_method(D_METHOD("is_menu_visible"), &TextEdit::is_menu_visible);
ClassDB::bind_method(D_METHOD("menu_option", "option"), &TextEdit::menu_option);
/* Inspector */
ADD_PROPERTY(PropertyInfo(Variant::STRING, "text", PROPERTY_HINT_MULTILINE_TEXT), "set_text", "get_text");
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"), "set_language", "get_language");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "editable"), "set_editable", "is_editable");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "context_menu_enabled"), "set_context_menu_enabled", "is_context_menu_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::BOOL, "deselect_on_focus_loss_enabled"), "set_deselect_on_focus_loss_enabled", "is_deselect_on_focus_loss_enabled");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "virtual_keyboard_enabled"), "set_virtual_keyboard_enabled", "is_virtual_keyboard_enabled");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "middle_mouse_paste_enabled"), "set_middle_mouse_paste_enabled", "is_middle_mouse_paste_enabled");
ADD_PROPERTY(PropertyInfo(Variant::INT, "wrap_mode", PROPERTY_HINT_ENUM, "None,Boundary"), "set_line_wrapping_mode", "get_line_wrapping_mode");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "override_selected_font_color"), "set_override_selected_font_color", "is_overriding_selected_font_color");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "highlight_all_occurrences"), "set_highlight_all_occurrences", "is_highlight_all_occurrences_enabled");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "highlight_current_line"), "set_highlight_current_line", "is_highlight_current_line_enabled");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "draw_control_chars"), "set_draw_control_chars", "get_draw_control_chars");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "draw_tabs"), "set_draw_tabs", "is_drawing_tabs");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "draw_spaces"), "set_draw_spaces", "is_drawing_spaces");
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "syntax_highlighter", PROPERTY_HINT_RESOURCE_TYPE, "SyntaxHighlighter", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_DO_NOT_SHARE_ON_DUPLICATE), "set_syntax_highlighter", "get_syntax_highlighter");
ADD_GROUP("Scroll", "scroll_");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "scroll_smooth"), "set_smooth_scroll_enable", "is_smooth_scroll_enabled");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "scroll_v_scroll_speed"), "set_v_scroll_speed", "get_v_scroll_speed");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "scroll_past_end_of_file"), "set_scroll_past_end_of_file_enabled", "is_scroll_past_end_of_file_enabled");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "scroll_vertical"), "set_v_scroll", "get_v_scroll");
ADD_PROPERTY(PropertyInfo(Variant::INT, "scroll_horizontal"), "set_h_scroll", "get_h_scroll");
ADD_GROUP("Minimap", "minimap_");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "minimap_draw"), "set_draw_minimap", "is_drawing_minimap");
ADD_PROPERTY(PropertyInfo(Variant::INT, "minimap_width"), "set_minimap_width", "get_minimap_width");
ADD_GROUP("Caret", "caret_");
ADD_PROPERTY(PropertyInfo(Variant::INT, "caret_type", PROPERTY_HINT_ENUM, "Line,Block"), "set_caret_type", "get_caret_type");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "caret_blink"), "set_caret_blink_enabled", "is_caret_blink_enabled");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "caret_blink_speed", PROPERTY_HINT_RANGE, "0.1,10,0.01"), "set_caret_blink_speed", "get_caret_blink_speed");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "caret_move_on_right_click"), "set_move_caret_on_right_click_enabled", "is_move_caret_on_right_click_enabled");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "caret_mid_grapheme"), "set_caret_mid_grapheme_enabled", "is_caret_mid_grapheme_enabled");
ADD_GROUP("Structured Text", "structured_text_");
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");
/* Signals */
/* Core. */
ADD_SIGNAL(MethodInfo("text_set"));
ADD_SIGNAL(MethodInfo("text_changed"));
ADD_SIGNAL(MethodInfo("lines_edited_from", PropertyInfo(Variant::INT, "from_line"), PropertyInfo(Variant::INT, "to_line")));
/* Caret. */
ADD_SIGNAL(MethodInfo("caret_changed"));
/* Gutters. */
ADD_SIGNAL(MethodInfo("gutter_clicked", PropertyInfo(Variant::INT, "line"), PropertyInfo(Variant::INT, "gutter")));
ADD_SIGNAL(MethodInfo("gutter_added"));
ADD_SIGNAL(MethodInfo("gutter_removed"));
/* Settings. */
GLOBAL_DEF("gui/timers/text_edit_idle_detect_sec", 3);
ProjectSettings::get_singleton()->set_custom_property_info("gui/timers/text_edit_idle_detect_sec", PropertyInfo(Variant::FLOAT, "gui/timers/text_edit_idle_detect_sec", PROPERTY_HINT_RANGE, "0,10,0.01,or_greater")); // No negative numbers.
GLOBAL_DEF("gui/common/text_edit_undo_stack_max_size", 1024);
ProjectSettings::get_singleton()->set_custom_property_info("gui/common/text_edit_undo_stack_max_size", PropertyInfo(Variant::INT, "gui/common/text_edit_undo_stack_max_size", PROPERTY_HINT_RANGE, "0,10000,1,or_greater")); // No negative numbers.
}
bool TextEdit::_set(const StringName &p_name, const Variant &p_value) {
String str = p_name;
if (str.begins_with("opentype_features/")) {
String name = str.get_slicec('/', 1);
int32_t tag = TS->name_to_tag(name);
double value = p_value;
if (value == -1) {
if (opentype_features.has(tag)) {
opentype_features.erase(tag);
text.set_font_features(opentype_features);
text.invalidate_all();
update();
}
} else {
if ((double)opentype_features[tag] != value) {
opentype_features[tag] = value;
text.set_font_features(opentype_features);
text.invalidate_all();
update();
}
}
notify_property_list_changed();
return true;
}
return false;
}
bool TextEdit::_get(const StringName &p_name, Variant &r_ret) const {
String str = p_name;
if (str.begins_with("opentype_features/")) {
String name = str.get_slicec('/', 1);
int32_t tag = TS->name_to_tag(name);
if (opentype_features.has(tag)) {
r_ret = opentype_features[tag];
return true;
} else {
r_ret = -1;
return true;
}
}
return false;
}
void TextEdit::_get_property_list(List<PropertyInfo> *p_list) const {
for (const Variant *ftr = opentype_features.next(nullptr); ftr != nullptr; ftr = opentype_features.next(ftr)) {
String name = TS->tag_to_name(*ftr);
p_list->push_back(PropertyInfo(Variant::FLOAT, "opentype_features/" + name));
}
p_list->push_back(PropertyInfo(Variant::NIL, "opentype_features/_new", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_EDITOR));
}
/* Internal API for CodeEdit. */
// Line hiding.
void TextEdit::_set_hiding_enabled(bool p_enabled) {
if (!p_enabled) {
_unhide_all_lines();
}
hiding_enabled = p_enabled;
update();
}
bool TextEdit::_is_hiding_enabled() const {
return hiding_enabled;
}
bool TextEdit::_is_line_hidden(int p_line) const {
ERR_FAIL_INDEX_V(p_line, text.size(), false);
return text.is_hidden(p_line);
}
void TextEdit::_unhide_all_lines() {
for (int i = 0; i < text.size(); i++) {
text.set_hidden(i, false);
}
_update_scrollbars();
update();
}
void TextEdit::_set_line_as_hidden(int p_line, bool p_hidden) {
ERR_FAIL_INDEX(p_line, text.size());
if (_is_hiding_enabled() || !p_hidden) {
text.set_hidden(p_line, p_hidden);
}
update();
}
// Symbol lookup.
void TextEdit::_set_symbol_lookup_word(const String &p_symbol) {
lookup_symbol_word = p_symbol;
update();
}
/* Text manipulation */
// Overridable actions
void TextEdit::_handle_unicode_input_internal(const uint32_t p_unicode) {
if (!editable) {
return;
}
bool had_selection = has_selection();
if (had_selection) {
begin_complex_operation();
delete_selection();
}
/* Remove the old character if in insert mode and no selection. */
if (overtype_mode && !had_selection) {
begin_complex_operation();
/* Make sure we don't try and remove empty space. */
int cl = get_caret_line();
int cc = get_caret_column();
if (cc < get_line(cl).length()) {
_remove_text(cl, cc, cl, cc + 1);
}
}
const char32_t chr[2] = { (char32_t)p_unicode, 0 };
insert_text_at_caret(chr);
if ((overtype_mode && !had_selection) || (had_selection)) {
end_complex_operation();
}
}
void TextEdit::_backspace_internal() {
if (!editable) {
return;
}
if (has_selection()) {
delete_selection();
return;
}
int cc = get_caret_column();
int cl = get_caret_line();
if (cc == 0 && cl == 0) {
return;
}
int prev_line = cc ? cl : cl - 1;
int prev_column = cc ? (cc - 1) : (text[cl - 1].length());
merge_gutters(prev_line, cl);
if (_is_line_hidden(cl)) {
_set_line_as_hidden(prev_line, true);
}
_remove_text(prev_line, prev_column, cl, cc);
set_caret_line(prev_line, false, true);
set_caret_column(prev_column);
}
void TextEdit::_cut_internal() {
if (!editable) {
return;
}
if (has_selection()) {
DisplayServer::get_singleton()->clipboard_set(get_selected_text());
delete_selection();
cut_copy_line = "";
return;
}
int cl = get_caret_line();
int cc = get_caret_column();
int indent_level = get_indent_level(cl);
double hscroll = get_h_scroll();
String clipboard = text[cl];
DisplayServer::get_singleton()->clipboard_set(clipboard);
set_caret_column(0);
if (cl == 0 && get_line_count() > 1) {
_remove_text(cl, 0, cl + 1, 0);
} else {
_remove_text(cl, 0, cl, text[cl].length());
backspace();
set_caret_line(get_caret_line() + 1);
}
// Correct the visualy perceived caret column taking care of identation level of the lines.
int diff_indent = indent_level - get_indent_level(get_caret_line());
cc += diff_indent;
if (diff_indent != 0) {
cc += diff_indent > 0 ? -1 : 1;
}
// Restore horizontal scroll and caret column modified by the backspace() call.
set_h_scroll(hscroll);
set_caret_column(cc);
cut_copy_line = clipboard;
}
void TextEdit::_copy_internal() {
if (has_selection()) {
DisplayServer::get_singleton()->clipboard_set(get_selected_text());
cut_copy_line = "";
return;
}
int cl = get_caret_line();
if (text[cl].length() != 0) {
String clipboard = _base_get_text(cl, 0, cl, text[cl].length());
DisplayServer::get_singleton()->clipboard_set(clipboard);
cut_copy_line = clipboard;
}
}
void TextEdit::_paste_internal() {
if (!editable) {
return;
}
String clipboard = DisplayServer::get_singleton()->clipboard_get();
begin_complex_operation();
if (has_selection()) {
delete_selection();
} else if (!cut_copy_line.is_empty() && cut_copy_line == clipboard) {
set_caret_column(0);
String ins = "\n";
clipboard += ins;
}
insert_text_at_caret(clipboard);
end_complex_operation();
}
void TextEdit::_paste_primary_clipboard_internal() {
if (!is_editable() || !DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_CLIPBOARD_PRIMARY)) {
return;
}
String paste_buffer = DisplayServer::get_singleton()->clipboard_get_primary();
Point2i pos = get_line_column_at_pos(get_local_mouse_pos());
deselect();
set_caret_line(pos.y, true, false);
set_caret_column(pos.x);
if (!paste_buffer.is_empty()) {
insert_text_at_caret(paste_buffer);
}
grab_focus();
}
/* Text. */
// Context menu.
void TextEdit::_generate_context_menu() {
if (!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->connect("id_pressed", callable_mp(this, &TextEdit::menu_option));
menu_dir->connect("id_pressed", callable_mp(this, &TextEdit::menu_option));
menu_ctl->connect("id_pressed", callable_mp(this, &TextEdit::menu_option));
}
// Reorganize context menu.
menu->clear();
if (editable) {
menu->add_item(RTR("Cut"), MENU_CUT, is_shortcut_keys_enabled() ? _get_menu_action_accelerator("ui_cut") : Key::NONE);
}
menu->add_item(RTR("Copy"), MENU_COPY, is_shortcut_keys_enabled() ? _get_menu_action_accelerator("ui_copy") : Key::NONE);
if (editable) {
menu->add_item(RTR("Paste"), MENU_PASTE, is_shortcut_keys_enabled() ? _get_menu_action_accelerator("ui_paste") : Key::NONE);
}
menu->add_separator();
if (is_selecting_enabled()) {
menu->add_item(RTR("Select All"), MENU_SELECT_ALL, is_shortcut_keys_enabled() ? _get_menu_action_accelerator("ui_text_select_all") : Key::NONE);
}
if (editable) {
menu->add_item(RTR("Clear"), MENU_CLEAR);
menu->add_separator();
menu->add_item(RTR("Undo"), MENU_UNDO, is_shortcut_keys_enabled() ? _get_menu_action_accelerator("ui_undo") : Key::NONE);
menu->add_item(RTR("Redo"), MENU_REDO, is_shortcut_keys_enabled() ? _get_menu_action_accelerator("ui_redo") : Key::NONE);
}
menu->add_separator();
menu->add_submenu_item(RTR("Text Writing Direction"), "DirMenu");
menu->add_separator();
menu->add_check_item(RTR("Display Control Characters"), MENU_DISPLAY_UCC);
menu->set_item_checked(menu->get_item_index(MENU_DISPLAY_UCC), draw_control_chars);
if (editable) {
menu->add_submenu_item(RTR("Insert Control Character"), "CTLMenu");
}
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);
if (editable) {
menu->set_item_disabled(menu->get_item_index(MENU_UNDO), !has_undo());
menu->set_item_disabled(menu->get_item_index(MENU_REDO), !has_redo());
}
}
Key TextEdit::_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();
}
}
/* Versioning */
void TextEdit::_push_current_op() {
if (current_op.type == TextOperation::TYPE_NONE) {
return; // Nothing to do.
}
if (next_operation_is_complex) {
current_op.chain_forward = true;
next_operation_is_complex = false;
}
undo_stack.push_back(current_op);
current_op.type = TextOperation::TYPE_NONE;
current_op.text = "";
current_op.chain_forward = false;
if (undo_stack.size() > undo_stack_max_size) {
undo_stack.pop_front();
}
}
void TextEdit::_do_text_op(const TextOperation &p_op, bool p_reverse) {
ERR_FAIL_COND(p_op.type == TextOperation::TYPE_NONE);
bool insert = p_op.type == TextOperation::TYPE_INSERT;
if (p_reverse) {
insert = !insert;
}
if (insert) {
int check_line;
int check_column;
_base_insert_text(p_op.from_line, p_op.from_column, p_op.text, check_line, check_column);
ERR_FAIL_COND(check_line != p_op.to_line); // BUG.
ERR_FAIL_COND(check_column != p_op.to_column); // BUG.
} else {
_base_remove_text(p_op.from_line, p_op.from_column, p_op.to_line, p_op.to_column);
}
}
void TextEdit::_clear_redo() {
if (undo_stack_pos == nullptr) {
return; // Nothing to clear.
}
_push_current_op();
while (undo_stack_pos) {
List<TextOperation>::Element *elem = undo_stack_pos;
undo_stack_pos = undo_stack_pos->next();
undo_stack.erase(elem);
}
}
/* Search */
int TextEdit::_get_column_pos_of_word(const String &p_key, const String &p_search, uint32_t p_search_flags, int p_from_column) const {
int col = -1;
if (p_key.length() > 0 && p_search.length() > 0) {
if (p_from_column < 0 || p_from_column > p_search.length()) {
p_from_column = 0;
}
while (col == -1 && p_from_column <= p_search.length()) {
if (p_search_flags & SEARCH_MATCH_CASE) {
col = p_search.find(p_key, p_from_column);
} else {
col = p_search.findn(p_key, p_from_column);
}
// Whole words only.
if (col != -1 && p_search_flags & SEARCH_WHOLE_WORDS) {
p_from_column = col;
if (col > 0 && _is_text_char(p_search[col - 1])) {
col = -1;
} else if ((col + p_key.length()) < p_search.length() && _is_text_char(p_search[col + p_key.length()])) {
col = -1;
}
}
p_from_column += 1;
}
}
return col;
}
/* Mouse */
int TextEdit::_get_char_pos_for_line(int p_px, int p_line, int p_wrap_index) const {
ERR_FAIL_INDEX_V(p_line, text.size(), 0);
p_wrap_index = MIN(p_wrap_index, text.get_line_data(p_line)->get_line_count() - 1);
RID text_rid = text.get_line_data(p_line)->get_line_rid(p_wrap_index);
if (is_layout_rtl()) {
p_px = TS->shaped_text_get_size(text_rid).x - p_px;
}
return TS->shaped_text_hit_test_position(text_rid, p_px);
}
/* Caret */
void TextEdit::_emit_caret_changed() {
emit_signal(SNAME("caret_changed"));
caret_pos_dirty = false;
}
void TextEdit::_reset_caret_blink_timer() {
if (!caret_blink_enabled) {
return;
}
draw_caret = true;
if (has_focus()) {
caret_blink_timer->stop();
caret_blink_timer->start();
update();
}
}
void TextEdit::_toggle_draw_caret() {
draw_caret = !draw_caret;
if (is_visible_in_tree() && has_focus() && window_has_focus) {
update();
}
}
int TextEdit::_get_column_x_offset_for_line(int p_char, int p_line) const {
ERR_FAIL_INDEX_V(p_line, text.size(), 0);
int row = 0;
Vector<Vector2i> rows2 = text.get_line_wrap_ranges(p_line);
for (int i = 0; i < rows2.size(); i++) {
if ((p_char >= rows2[i].x) && (p_char < rows2[i].y)) {
row = i;
break;
}
}
RID text_rid = text.get_line_data(p_line)->get_line_rid(row);
CaretInfo ts_caret = TS->shaped_text_get_carets(text_rid, caret.column);
if ((ts_caret.l_caret != Rect2() && (ts_caret.l_dir == TextServer::DIRECTION_AUTO || ts_caret.l_dir == (TextServer::Direction)input_direction)) || (ts_caret.t_caret == Rect2())) {
return ts_caret.l_caret.position.x;
} else {
return ts_caret.t_caret.position.x;
}
}
/* Selection */
void TextEdit::_click_selection_held() {
// Warning: is_mouse_button_pressed(MouseButton::LEFT) returns false for double+ clicks, so this doesn't work for MODE_WORD
// and MODE_LINE. However, moving the mouse triggers _gui_input, which calls these functions too, so that's not a huge problem.
// I'm unsure if there's an actual fix that doesn't have a ton of side effects.
if (Input::get_singleton()->is_mouse_button_pressed(MouseButton::LEFT) && selection.selecting_mode != SelectionMode::SELECTION_MODE_NONE) {
switch (selection.selecting_mode) {
case SelectionMode::SELECTION_MODE_POINTER: {
_update_selection_mode_pointer();
} break;
case SelectionMode::SELECTION_MODE_WORD: {
_update_selection_mode_word();
} break;
case SelectionMode::SELECTION_MODE_LINE: {
_update_selection_mode_line();
} break;
default: {
break;
}
}
} else {
click_select_held->stop();
}
}
void TextEdit::_update_selection_mode_pointer() {
dragging_selection = true;
Point2 mp = get_local_mouse_pos();
Point2i pos = get_line_column_at_pos(mp);
int line = pos.y;
int col = pos.x;
select(selection.selecting_line, selection.selecting_column, line, col);
set_caret_line(line, false);
set_caret_column(col);
update();
click_select_held->start();
}
void TextEdit::_update_selection_mode_word() {
dragging_selection = true;
Point2 mp = get_local_mouse_pos();
Point2i pos = get_line_column_at_pos(mp);
int line = pos.y;
int col = pos.x;
int caret_pos = CLAMP(col, 0, text[line].length());
int beg = caret_pos;
int end = beg;
PackedInt32Array words = TS->shaped_text_get_word_breaks(text.get_line_data(line)->get_rid());
for (int i = 0; i < words.size(); i = i + 2) {
if ((words[i] < caret_pos && words[i + 1] > caret_pos) || (i == words.size() - 2 && caret_pos == words[i + 1])) {
beg = words[i];
end = words[i + 1];
break;
}
}
/* Initial selection. */
if (!selection.active) {
select(line, beg, line, end);
selection.selecting_column = beg;
selection.selected_word_beg = beg;
selection.selected_word_end = end;
selection.selected_word_origin = beg;
set_caret_line(selection.to_line, false);
set_caret_column(selection.to_column);
} else {
if ((col <= selection.selected_word_origin && line == selection.selecting_line) || line < selection.selecting_line) {
selection.selecting_column = selection.selected_word_end;
select(line, beg, selection.selecting_line, selection.selected_word_end);
set_caret_line(selection.from_line, false);
set_caret_column(selection.from_column);
} else {
selection.selecting_column = selection.selected_word_beg;
select(selection.selecting_line, selection.selected_word_beg, line, end);
set_caret_line(selection.to_line, false);
set_caret_column(selection.to_column);
}
}
if (DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_CLIPBOARD_PRIMARY)) {
DisplayServer::get_singleton()->clipboard_set_primary(get_selected_text());
}
update();
click_select_held->start();
}
void TextEdit::_update_selection_mode_line() {
dragging_selection = true;
Point2 mp = get_local_mouse_pos();
Point2i pos = get_line_column_at_pos(mp);
int line = pos.y;
int col = pos.x;
col = 0;
if (line < selection.selecting_line) {
/* Caret is above us. */
set_caret_line(line - 1, false);
selection.selecting_column = text[selection.selecting_line].length();
} else {
/* Caret is below us. */
set_caret_line(line + 1, false);
selection.selecting_column = 0;
col = text[line].length();
}
set_caret_column(0);
select(selection.selecting_line, selection.selecting_column, line, col);
if (DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_CLIPBOARD_PRIMARY)) {
DisplayServer::get_singleton()->clipboard_set_primary(get_selected_text());
}
update();
click_select_held->start();
}
void TextEdit::_pre_shift_selection() {
if (!selection.active || selection.selecting_mode == SelectionMode::SELECTION_MODE_NONE) {
selection.selecting_line = caret.line;
selection.selecting_column = caret.column;
selection.active = true;
}
selection.selecting_mode = SelectionMode::SELECTION_MODE_SHIFT;
}
void TextEdit::_post_shift_selection() {
if (selection.active && selection.selecting_mode == SelectionMode::SELECTION_MODE_SHIFT) {
select(selection.selecting_line, selection.selecting_column, caret.line, caret.column);
update();
}
selection.selecting_text = true;
}
/* Line Wrapping */
void TextEdit::_update_wrap_at_column(bool p_force) {
int new_wrap_at = get_size().width - style_normal->get_minimum_size().width - gutters_width - gutter_padding;
if (draw_minimap) {
new_wrap_at -= minimap_width;
}
if (v_scroll->is_visible_in_tree()) {
new_wrap_at -= v_scroll->get_combined_minimum_size().width;
}
/* Give it a little more space. */
new_wrap_at -= wrap_right_offset;
if ((wrap_at_column != new_wrap_at) || p_force) {
wrap_at_column = new_wrap_at;
if (line_wrapping_mode) {
text.set_width(wrap_at_column);
} else {
text.set_width(-1);
}
text.invalidate_all_lines();
}
_update_caret_wrap_offset();
}
void TextEdit::_update_caret_wrap_offset() {
int first_vis_line = get_first_visible_line();
if (is_line_wrapped(first_vis_line)) {
caret.wrap_ofs = MIN(caret.wrap_ofs, get_line_wrap_count(first_vis_line));
} else {
caret.wrap_ofs = 0;
}
set_line_as_first_visible(caret.line_ofs, caret.wrap_ofs);
}
/* Viewport. */
void TextEdit::_update_scrollbars() {
Size2 size = get_size();
Size2 hmin = h_scroll->get_combined_minimum_size();
Size2 vmin = v_scroll->get_combined_minimum_size();
v_scroll->set_begin(Point2(size.width - vmin.width, style_normal->get_margin(SIDE_TOP)));
v_scroll->set_end(Point2(size.width, size.height - style_normal->get_margin(SIDE_TOP) - style_normal->get_margin(SIDE_BOTTOM)));
h_scroll->set_begin(Point2(0, size.height - hmin.height));
h_scroll->set_end(Point2(size.width - vmin.width, size.height));
int visible_rows = get_visible_line_count();
int total_rows = get_total_visible_line_count();
if (scroll_past_end_of_file_enabled) {
total_rows += visible_rows - 1;
}
int visible_width = size.width - style_normal->get_minimum_size().width;
int total_width = text.get_max_width() + vmin.x + gutters_width + gutter_padding;
if (draw_minimap) {
total_width += minimap_width;
}
updating_scrolls = true;
if (total_rows > visible_rows) {
v_scroll->show();
v_scroll->set_max(total_rows + _get_visible_lines_offset());
v_scroll->set_page(visible_rows + _get_visible_lines_offset());
if (smooth_scroll_enabled) {
v_scroll->set_step(0.25);
} else {
v_scroll->set_step(1);
}
set_v_scroll(get_v_scroll());
} else {
caret.line_ofs = 0;
caret.wrap_ofs = 0;
v_scroll->set_value(0);
v_scroll->hide();
}
if (total_width > visible_width && get_line_wrapping_mode() == LineWrappingMode::LINE_WRAPPING_NONE) {
h_scroll->show();
h_scroll->set_max(total_width);
h_scroll->set_page(visible_width);
if (caret.x_ofs > (total_width - visible_width)) {
caret.x_ofs = (total_width - visible_width);
}
if (fabs(h_scroll->get_value() - (double)caret.x_ofs) >= 1) {
h_scroll->set_value(caret.x_ofs);
}
} else {
caret.x_ofs = 0;
h_scroll->set_value(0);
h_scroll->hide();
}
updating_scrolls = false;
}
int TextEdit::_get_control_height() const {
int control_height = get_size().height;
control_height -= style_normal->get_minimum_size().height;
if (h_scroll->is_visible_in_tree()) {
control_height -= h_scroll->get_size().height;
}
return control_height;
}
void TextEdit::_v_scroll_input() {
scrolling = false;
minimap_clicked = false;
}
void TextEdit::_scroll_moved(double p_to_val) {
if (updating_scrolls) {
return;
}
if (h_scroll->is_visible_in_tree()) {
caret.x_ofs = h_scroll->get_value();
}
if (v_scroll->is_visible_in_tree()) {
// Set line ofs and wrap ofs.
int v_scroll_i = floor(get_v_scroll());
int sc = 0;
int n_line;
for (n_line = 0; n_line < text.size(); n_line++) {
if (!_is_line_hidden(n_line)) {
sc++;
sc += get_line_wrap_count(n_line);
if (sc > v_scroll_i) {
break;
}
}
}
n_line = MIN(n_line, text.size() - 1);
int line_wrap_amount = get_line_wrap_count(n_line);
int wi = line_wrap_amount - (sc - v_scroll_i - 1);
wi = CLAMP(wi, 0, line_wrap_amount);
caret.line_ofs = n_line;
caret.wrap_ofs = wi;
}
update();
}
double TextEdit::_get_visible_lines_offset() const {
double total = _get_control_height();
total /= (double)get_line_height();
total = total - floor(total);
total = -CLAMP(total, 0.001, 1) + 1;
return total;
}
double TextEdit::_get_v_scroll_offset() const {
double val = get_v_scroll() - floor(get_v_scroll());
return CLAMP(val, 0, 1);
}
void TextEdit::_scroll_up(real_t p_delta) {
if (scrolling && smooth_scroll_enabled && SIGN(target_v_scroll - v_scroll->get_value()) != SIGN(-p_delta)) {
scrolling = false;
minimap_clicked = false;
}
if (scrolling) {
target_v_scroll = (target_v_scroll - p_delta);
} else {
target_v_scroll = (get_v_scroll() - p_delta);
}
if (smooth_scroll_enabled) {
if (target_v_scroll <= 0) {
target_v_scroll = 0;
}
if (Math::abs(target_v_scroll - v_scroll->get_value()) < 1.0) {
v_scroll->set_value(target_v_scroll);
} else {
scrolling = true;
set_physics_process_internal(true);
}
} else {
set_v_scroll(target_v_scroll);
}
}
void TextEdit::_scroll_down(real_t p_delta) {
if (scrolling && smooth_scroll_enabled && SIGN(target_v_scroll - v_scroll->get_value()) != SIGN(p_delta)) {
scrolling = false;
minimap_clicked = false;
}
if (scrolling) {
target_v_scroll = (target_v_scroll + p_delta);
} else {
target_v_scroll = (get_v_scroll() + p_delta);
}
if (smooth_scroll_enabled) {
int max_v_scroll = round(v_scroll->get_max() - v_scroll->get_page());
if (target_v_scroll > max_v_scroll) {
target_v_scroll = max_v_scroll;
}
if (Math::abs(target_v_scroll - v_scroll->get_value()) < 1.0) {
v_scroll->set_value(target_v_scroll);
} else {
scrolling = true;
set_physics_process_internal(true);
}
} else {
set_v_scroll(target_v_scroll);
}
}
void TextEdit::_scroll_lines_up() {
scrolling = false;
minimap_clicked = false;
// Adjust the vertical scroll.
set_v_scroll(get_v_scroll() - 1);
// Adjust the caret to viewport.
if (!selection.active) {
int cur_line = caret.line;
int cur_wrap = get_caret_wrap_index();
int last_vis_line = get_last_full_visible_line();
int last_vis_wrap = get_last_full_visible_line_wrap_index();
if (cur_line > last_vis_line || (cur_line == last_vis_line && cur_wrap > last_vis_wrap)) {
set_caret_line(last_vis_line, false, false, last_vis_wrap);
}
}
}
void TextEdit::_scroll_lines_down() {
scrolling = false;
minimap_clicked = false;
// Adjust the vertical scroll.
set_v_scroll(get_v_scroll() + 1);
// Adjust the caret to viewport.
if (!selection.active) {
int cur_line = caret.line;
int cur_wrap = get_caret_wrap_index();
int first_vis_line = get_first_visible_line();
int first_vis_wrap = caret.wrap_ofs;
if (cur_line < first_vis_line || (cur_line == first_vis_line && cur_wrap < first_vis_wrap)) {
set_caret_line(first_vis_line, false, false, first_vis_wrap);
}
}
}
// Minimap
void TextEdit::_update_minimap_hover() {
const Point2 mp = get_local_mouse_pos();
const int xmargin_end = get_size().width - style_normal->get_margin(SIDE_RIGHT);
const bool hovering_sidebar = mp.x > xmargin_end - minimap_width && mp.x < xmargin_end;
if (!hovering_sidebar) {
if (hovering_minimap) {
// Only redraw if the hovering status changed.
hovering_minimap = false;
update();
}
// Return early to avoid running the operations below when not needed.
return;
}
const int row = get_minimap_line_at_pos(mp);
const bool new_hovering_minimap = row >= get_first_visible_line() && row <= get_last_full_visible_line();
if (new_hovering_minimap != hovering_minimap) {
// Only redraw if the hovering status changed.
hovering_minimap = new_hovering_minimap;
update();
}
}
void TextEdit::_update_minimap_click() {
Point2 mp = get_local_mouse_pos();
int xmargin_end = get_size().width - style_normal->get_margin(SIDE_RIGHT);
if (!dragging_minimap && (mp.x < xmargin_end - minimap_width || mp.y > xmargin_end)) {
minimap_clicked = false;
return;
}
minimap_clicked = true;
dragging_minimap = true;
int row = get_minimap_line_at_pos(mp);
if (row >= get_first_visible_line() && (row < get_last_full_visible_line() || row >= (text.size() - 1))) {
minimap_scroll_ratio = v_scroll->get_as_ratio();
minimap_scroll_click_pos = mp.y;
can_drag_minimap = true;
return;
}
Point2i next_line = get_next_visible_line_index_offset_from(row, 0, -get_visible_line_count() / 2);
int first_line = row - next_line.x + 1;
double delta = get_scroll_pos_for_line(first_line, next_line.y) - get_v_scroll();
if (delta < 0) {
_scroll_up(-delta);
} else {
_scroll_down(delta);
}
}
void TextEdit::_update_minimap_drag() {
if (!can_drag_minimap) {
return;
}
int control_height = _get_control_height();
int scroll_height = v_scroll->get_max() * (minimap_char_size.y + minimap_line_spacing);
if (control_height > scroll_height) {
control_height = scroll_height;
}
Point2 mp = get_local_mouse_pos();
double diff = (mp.y - minimap_scroll_click_pos) / control_height;
v_scroll->set_as_ratio(minimap_scroll_ratio + diff);
}
/* Gutters. */
void TextEdit::_update_gutter_width() {
gutters_width = 0;
for (int i = 0; i < gutters.size(); i++) {
if (gutters[i].draw) {
gutters_width += gutters[i].width;
}
}
if (gutters_width > 0) {
gutter_padding = 2;
}
update();
}
/* Syntax highlighting. */
Dictionary TextEdit::_get_line_syntax_highlighting(int p_line) {
return syntax_highlighter.is_null() && !setting_text ? Dictionary() : syntax_highlighter->get_line_syntax_highlighting(p_line);
}
/*** Super internal Core API. Everything builds on it. ***/
void TextEdit::_text_changed_emit() {
emit_signal(SNAME("text_changed"));
text_changed_dirty = false;
}
void TextEdit::_insert_text(int p_line, int p_char, const String &p_text, int *r_end_line, int *r_end_char) {
if (!setting_text && idle_detect->is_inside_tree()) {
idle_detect->start();
}
if (undo_enabled) {
_clear_redo();
}
int retline, retchar;
_base_insert_text(p_line, p_char, p_text, retline, retchar);
if (r_end_line) {
*r_end_line = retline;
}
if (r_end_char) {
*r_end_char = retchar;
}
if (!undo_enabled) {
return;
}
/* UNDO!! */
TextOperation op;
op.type = TextOperation::TYPE_INSERT;
op.from_line = p_line;
op.from_column = p_char;
op.to_line = retline;
op.to_column = retchar;
op.text = p_text;
op.version = ++version;
op.chain_forward = false;
op.chain_backward = false;
// See if it should just be set as current op.
if (current_op.type != op.type) {
op.prev_version = get_version();
_push_current_op();
current_op = op;
return; // Set as current op, return.
}
// See if it can be merged.
if (current_op.to_line != p_line || current_op.to_column != p_char) {
op.prev_version = get_version();
_push_current_op();
current_op = op;
return; // Set as current op, return.
}
// Merge current op.
current_op.text += p_text;
current_op.to_column = retchar;
current_op.to_line = retline;
current_op.version = op.version;
}
void TextEdit::_remove_text(int p_from_line, int p_from_column, int p_to_line, int p_to_column) {
if (!setting_text && idle_detect->is_inside_tree()) {
idle_detect->start();
}
String text;
if (undo_enabled) {
_clear_redo();
text = _base_get_text(p_from_line, p_from_column, p_to_line, p_to_column);
}
_base_remove_text(p_from_line, p_from_column, p_to_line, p_to_column);
if (!undo_enabled) {
return;
}
/* UNDO! */
TextOperation op;
op.type = TextOperation::TYPE_REMOVE;
op.from_line = p_from_line;
op.from_column = p_from_column;
op.to_line = p_to_line;
op.to_column = p_to_column;
op.text = text;
op.version = ++version;
op.chain_forward = false;
op.chain_backward = false;
// See if it should just be set as current op.
if (current_op.type != op.type) {
op.prev_version = get_version();
_push_current_op();
current_op = op;
return; // Set as current op, return.
}
// See if it can be merged.
if (current_op.from_line == p_to_line && current_op.from_column == p_to_column) {
// Backspace or similar.
current_op.text = text + current_op.text;
current_op.from_line = p_from_line;
current_op.from_column = p_from_column;
return; // Update current op.
}
op.prev_version = get_version();
_push_current_op();
current_op = op;
}
void TextEdit::_base_insert_text(int p_line, int p_char, const String &p_text, int &r_end_line, int &r_end_column) {
// Save for undo.
ERR_FAIL_INDEX(p_line, text.size());
ERR_FAIL_COND(p_char < 0);
/* STEP 1: Remove \r from source text and separate in substrings. */
Vector<String> substrings = p_text.replace("\r", "").split("\n");
// Is this just a new empty line?
bool shift_first_line = p_char == 0 && p_text.replace("\r", "") == "\n";
/* STEP 2: Add spaces if the char is greater than the end of the line. */
while (p_char > text[p_line].length()) {
text.set(p_line, text[p_line] + String::chr(' '), structured_text_parser(st_parser, st_args, text[p_line] + String::chr(' ')));
}
/* STEP 3: Separate dest string in pre and post text. */
String preinsert_text = text[p_line].substr(0, p_char);
String postinsert_text = text[p_line].substr(p_char, text[p_line].size());
for (int j = 0; j < substrings.size(); j++) {
// Insert the substrings.
if (j == 0) {
text.set(p_line, preinsert_text + substrings[j], structured_text_parser(st_parser, st_args, preinsert_text + substrings[j]));
} else {
text.insert(p_line + j, substrings[j], structured_text_parser(st_parser, st_args, substrings[j]));
}
if (j == substrings.size() - 1) {
text.set(p_line + j, text[p_line + j] + postinsert_text, structured_text_parser(st_parser, st_args, text[p_line + j] + postinsert_text));
}
}
if (shift_first_line) {
text.move_gutters(p_line, p_line + 1);
text.set_hidden(p_line + 1, text.is_hidden(p_line));
text.set_hidden(p_line, false);
}
r_end_line = p_line + substrings.size() - 1;
r_end_column = text[r_end_line].length() - postinsert_text.length();
TextServer::Direction dir = TS->shaped_text_get_dominant_direction_in_range(text.get_line_data(r_end_line)->get_rid(), (r_end_line == p_line) ? caret.column : 0, r_end_column);
if (dir != TextServer::DIRECTION_AUTO) {
input_direction = (TextDirection)dir;
}
if (!text_changed_dirty && !setting_text) {
if (is_inside_tree()) {
MessageQueue::get_singleton()->push_call(this, "_text_changed_emit");
}
text_changed_dirty = true;
}
emit_signal(SNAME("lines_edited_from"), p_line, r_end_line);
}
String TextEdit::_base_get_text(int p_from_line, int p_from_column, int p_to_line, int p_to_column) const {
ERR_FAIL_INDEX_V(p_from_line, text.size(), String());
ERR_FAIL_INDEX_V(p_from_column, text[p_from_line].length() + 1, String());
ERR_FAIL_INDEX_V(p_to_line, text.size(), String());
ERR_FAIL_INDEX_V(p_to_column, text[p_to_line].length() + 1, String());
ERR_FAIL_COND_V(p_to_line < p_from_line, String()); // 'from > to'.
ERR_FAIL_COND_V(p_to_line == p_from_line && p_to_column < p_from_column, String()); // 'from > to'.
String ret;
for (int i = p_from_line; i <= p_to_line; i++) {
int begin = (i == p_from_line) ? p_from_column : 0;
int end = (i == p_to_line) ? p_to_column : text[i].length();
if (i > p_from_line) {
ret += "\n";
}
ret += text[i].substr(begin, end - begin);
}
return ret;
}
void TextEdit::_base_remove_text(int p_from_line, int p_from_column, int p_to_line, int p_to_column) {
ERR_FAIL_INDEX(p_from_line, text.size());
ERR_FAIL_INDEX(p_from_column, text[p_from_line].length() + 1);
ERR_FAIL_INDEX(p_to_line, text.size());
ERR_FAIL_INDEX(p_to_column, text[p_to_line].length() + 1);
ERR_FAIL_COND(p_to_line < p_from_line); // 'from > to'.
ERR_FAIL_COND(p_to_line == p_from_line && p_to_column < p_from_column); // 'from > to'.
String pre_text = text[p_from_line].substr(0, p_from_column);
String post_text = text[p_to_line].substr(p_to_column, text[p_to_line].length());
for (int i = p_from_line; i < p_to_line; i++) {
text.remove_at(p_from_line + 1);
}
text.set(p_from_line, pre_text + post_text, structured_text_parser(st_parser, st_args, pre_text + post_text));
if (!text_changed_dirty && !setting_text) {
if (is_inside_tree()) {
MessageQueue::get_singleton()->push_call(this, "_text_changed_emit");
}
text_changed_dirty = true;
}
emit_signal(SNAME("lines_edited_from"), p_to_line, p_from_line);
}
TextEdit::TextEdit() {
clear();
set_focus_mode(FOCUS_ALL);
_update_caches();
set_default_cursor_shape(CURSOR_IBEAM);
text.set_tab_size(text.get_tab_size());
h_scroll = memnew(HScrollBar);
v_scroll = memnew(VScrollBar);
add_child(h_scroll, false, INTERNAL_MODE_FRONT);
add_child(v_scroll, false, INTERNAL_MODE_FRONT);
h_scroll->connect("value_changed", callable_mp(this, &TextEdit::_scroll_moved));
v_scroll->connect("value_changed", callable_mp(this, &TextEdit::_scroll_moved));
v_scroll->connect("scrolling", callable_mp(this, &TextEdit::_v_scroll_input));
/* Caret. */
caret_blink_timer = memnew(Timer);
add_child(caret_blink_timer, false, INTERNAL_MODE_FRONT);
caret_blink_timer->set_wait_time(0.65);
caret_blink_timer->connect("timeout", callable_mp(this, &TextEdit::_toggle_draw_caret));
set_caret_blink_enabled(false);
/* Selection. */
click_select_held = memnew(Timer);
add_child(click_select_held, false, INTERNAL_MODE_FRONT);
click_select_held->set_wait_time(0.05);
click_select_held->connect("timeout", callable_mp(this, &TextEdit::_click_selection_held));
idle_detect = memnew(Timer);
add_child(idle_detect, false, INTERNAL_MODE_FRONT);
idle_detect->set_one_shot(true);
idle_detect->set_wait_time(GLOBAL_GET("gui/timers/text_edit_idle_detect_sec"));
idle_detect->connect("timeout", callable_mp(this, &TextEdit::_push_current_op));
undo_stack_max_size = GLOBAL_GET("gui/common/text_edit_undo_stack_max_size");
set_editable(true);
}
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