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[TextEdit] Update syntax highlighting when IME composition string is updated.

This commit is contained in:
Pāvels Nadtočajevs 2025-02-05 18:37:53 +02:00
parent 06acfccf89
commit 7da0767f35
5 changed files with 66 additions and 29 deletions
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7
doc/classes/TextEdit.xml
View File

@ -419,6 +419,13 @@
Returns the width in pixels of the [param wrap_index] on [param line].
</description>
</method>
<method name="get_line_with_ime" qualifiers="const">
<return type="String" />
<param index="0" name="line" type="int" />
<description>
Returns line text as it is currently displayed, including IME composition string.
</description>
</method>
<method name="get_line_wrap_count" qualifiers="const">
<return type="int" />
<param index="0" name="line" type="int" />

2
modules/gdscript/editor/gdscript_highlighter.cpp
View File

@ -94,7 +94,7 @@ Dictionary GDScriptSyntaxHighlighter::_get_line_syntax_highlighting_impl(int p_l
in_region = color_region_cache[p_line - 1];
}
const String &str = text_edit->get_line(p_line);
const String &str = text_edit->get_line_with_ime(p_line);
const int line_length = str.length();
Color prev_color;

76
scene/gui/text_edit.cpp
View File

@ -186,7 +186,15 @@ _FORCE_INLINE_ String TextEdit::Text::operator[](int p_line) const {
return text[p_line].data;
}
void TextEdit::Text::invalidate_cache(int p_line, int p_column, bool p_text_changed, const String &p_ime_text, const Array &p_bidi_override) {
_FORCE_INLINE_ const String &TextEdit::Text::get_text_with_ime(int p_line) const {
if (!text[p_line].ime_data.is_empty()) {
return text[p_line].ime_data;
} else {
return text[p_line].data;
}
}
void TextEdit::Text::invalidate_cache(int p_line, bool p_text_changed) {
ERR_FAIL_INDEX(p_line, text.size());
if (font.is_null()) {
@ -209,20 +217,14 @@ void TextEdit::Text::invalidate_cache(int p_line, int p_column, bool p_text_chan
text_line.data_buf->set_preserve_control(draw_control_chars);
text_line.data_buf->set_custom_punctuation(get_enabled_word_separators());
if (p_ime_text.length() > 0) {
if (p_text_changed) {
text_line.data_buf->add_string(p_ime_text, font, font_size, language);
}
if (!p_bidi_override.is_empty()) {
TS->shaped_text_set_bidi_override(text_line.data_buf->get_rid(), p_bidi_override);
}
} else {
if (p_text_changed) {
text_line.data_buf->add_string(text_line.data, font, font_size, language);
}
if (!text_line.bidi_override.is_empty()) {
TS->shaped_text_set_bidi_override(text_line.data_buf->get_rid(), text_line.bidi_override);
}
const String &text_with_ime = (!text_line.ime_data.is_empty()) ? text_line.ime_data : text_line.data;
const Array &bidi_override_with_ime = (!text_line.ime_data.is_empty()) ? text_line.ime_bidi_override : text_line.bidi_override;
if (p_text_changed) {
text_line.data_buf->add_string(text_with_ime, font, font_size, language);
}
if (bidi_override_with_ime.is_empty()) {
TS->shaped_text_set_bidi_override(text_line.data_buf->get_rid(), bidi_override_with_ime);
}
if (!p_text_changed) {
@ -286,7 +288,7 @@ void TextEdit::Text::invalidate_all_lines() {
text[i].data_buf->tab_align(tabs);
}
}
invalidate_cache(i, -1, false);
invalidate_cache(i, false);
}
tab_size_dirty = false;
}
@ -304,7 +306,7 @@ void TextEdit::Text::invalidate_font() {
}
for (int i = 0; i < text.size(); i++) {
invalidate_cache(i, -1, false);
invalidate_cache(i, false);
}
is_dirty = false;
}
@ -322,7 +324,7 @@ void TextEdit::Text::invalidate_all() {
}
for (int i = 0; i < text.size(); i++) {
invalidate_cache(i, -1, true);
invalidate_cache(i, true);
}
is_dirty = false;
}
@ -336,9 +338,8 @@ void TextEdit::Text::clear() {
Line line;
line.gutters.resize(gutter_count);
line.data = "";
text.insert(0, line);
invalidate_cache(0, -1, true);
invalidate_cache(0, true);
}
int TextEdit::Text::get_total_visible_line_count() const {
@ -349,8 +350,18 @@ void TextEdit::Text::set(int p_line, const String &p_text, const Array &p_bidi_o
ERR_FAIL_INDEX(p_line, text.size());
text.write[p_line].data = p_text;
text.write[p_line].ime_data = String();
text.write[p_line].bidi_override = p_bidi_override;
invalidate_cache(p_line, -1, true);
text.write[p_line].ime_bidi_override.clear();
invalidate_cache(p_line, true);
}
void TextEdit::Text::set_ime(int p_line, const String &p_text, const Array &p_bidi_override) {
ERR_FAIL_INDEX(p_line, text.size());
text.write[p_line].ime_data = p_text;
text.write[p_line].ime_bidi_override = p_bidi_override;
invalidate_cache(p_line, true);
}
void TextEdit::Text::set_hidden(int p_line, bool p_hidden) {
@ -405,7 +416,7 @@ void TextEdit::Text::insert(int p_at, const Vector<String> &p_text, const Vector
line.data = p_text[i];
line.bidi_override = p_bidi_override[i];
text.write[p_at + i] = line;
invalidate_cache(p_at + i, -1, true);
invalidate_cache(p_at + i, true);
}
}
@ -2967,15 +2978,20 @@ void TextEdit::_update_ime_text() {
if (has_ime_text()) {
// Update text to visually include IME text.
for (int i = 0; i < get_caret_count(); i++) {
String text_with_ime = text[get_caret_line(i)].substr(0, get_caret_column(i)) + ime_text + text[get_caret_line(i)].substr(get_caret_column(i), text[get_caret_line(i)].length());
text.invalidate_cache(get_caret_line(i), get_caret_column(i), true, text_with_ime, structured_text_parser(st_parser, st_args, text_with_ime));
int l = get_caret_line(i);
String text_with_ime = text[l].substr(0, get_caret_column(i)) + ime_text + text[l].substr(get_caret_column(i));
text.set_ime(l, text_with_ime, structured_text_parser(st_parser, st_args, text_with_ime));
emit_signal(SNAME("lines_edited_from"), l, l);
}
} else {
// Reset text.
for (int i = 0; i < get_caret_count(); i++) {
text.invalidate_cache(get_caret_line(i), get_caret_column(i), true);
int l = get_caret_line(i);
text.set_ime(l, String(), Array());
emit_signal(SNAME("lines_edited_from"), l, l);
}
}
_clear_syntax_highlighting_cache();
queue_redraw();
}
@ -3513,11 +3529,18 @@ void TextEdit::set_line(int p_line, const String &p_new_text) {
String TextEdit::get_line(int p_line) const {
if (p_line < 0 || p_line >= text.size()) {
return "";
return String();
}
return text[p_line];
}
String TextEdit::get_line_with_ime(int p_line) const {
if (p_line < 0 || p_line >= text.size()) {
return String();
}
return text.get_text_with_ime(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);
@ -6540,6 +6563,7 @@ void TextEdit::_bind_methods() {
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_with_ime", "line"), &TextEdit::get_line_with_ime);
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);

8
scene/gui/text_edit.h
View File

@ -152,6 +152,9 @@ private:
Array bidi_override;
Ref<TextParagraph> data_buf;
String ime_data;
Array ime_bidi_override;
Color background_color = Color(0, 0, 0, 0);
bool hidden = false;
int line_count = 0;
@ -228,6 +231,7 @@ private:
const Ref<TextParagraph> get_line_data(int p_line) const;
void set(int p_line, const String &p_text, const Array &p_bidi_override);
void set_ime(int p_line, const String &p_text, const Array &p_bidi_override);
void set_hidden(int p_line, bool p_hidden);
bool is_hidden(int p_line) const;
void insert(int p_at, const Vector<String> &p_text, const Vector<Array> &p_bidi_override);
@ -235,12 +239,13 @@ private:
int size() const { return text.size(); }
void clear();
void invalidate_cache(int p_line, int p_column = -1, bool p_text_changed = false, const String &p_ime_text = String(), const Array &p_bidi_override = Array());
void invalidate_cache(int p_line, bool p_text_changed = false);
void invalidate_font();
void invalidate_all();
void invalidate_all_lines();
_FORCE_INLINE_ String operator[](int p_line) const;
_FORCE_INLINE_ const String &get_text_with_ime(int p_line) const;
/* Gutters. */
void add_gutter(int p_at);
@ -794,6 +799,7 @@ public:
void set_line(int p_line, const String &p_new_text);
String get_line(int p_line) const;
String get_line_with_ime(int p_line) const;
int get_line_width(int p_line, int p_wrap_index = -1) const;
int get_line_height() const;

2
scene/resources/syntax_highlighter.cpp
View File

@ -144,7 +144,7 @@ Dictionary CodeHighlighter::_get_line_syntax_highlighting_impl(int p_line) {
in_region = color_region_cache[p_line - 1];
}
const String &str = text_edit->get_line(p_line);
const String &str = text_edit->get_line_with_ime(p_line);
const int line_length = str.length();
Color prev_color;