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[TextServer] Add function to change font, font size, and OpenType features without invalidating line break points, justification points, or recreating shaped text buffer.

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bruvzg 2022-01-20 09:30:42 +02:00
parent 050908626f
commit 215bede6ff
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GPG key ID: 7960FCF39844EC38
22 changed files with 705 additions and 491 deletions
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73
scene/gui/text_edit.cpp
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@ -187,29 +187,44 @@ void TextEdit::Text::_calculate_max_line_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) {
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) {
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();
if (p_text_changed) {
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_text_changed) {
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 (p_text_changed) {
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);
}
}
if (!p_text_changed) {
RID r = text.write[p_line].data_buf->get_rid();
int spans = TS->shaped_get_span_count(r);
for (int i = 0; i < spans; i++) {
TS->shaped_set_span_update_font(r, i, font->get_rids(), font_size, opentype_features);
}
}
// Apply tab align.
if (tab_size > 0) {
Vector<float> tabs;
@ -266,6 +281,24 @@ void TextEdit::Text::invalidate_all_lines() {
}
}
void TextEdit::Text::invalidate_font() {
if (!is_dirty) {
return;
}
max_width = -1;
line_height = -1;
if (!font.is_null() && font_size > 0) {
font_height = font->get_height(font_size);
}
for (int i = 0; i < text.size(); i++) {
invalidate_cache(i, -1, false);
}
is_dirty = false;
}
void TextEdit::Text::invalidate_all() {
if (!is_dirty) {
return;
@ -279,7 +312,7 @@ void TextEdit::Text::invalidate_all() {
}
for (int i = 0; i < text.size(); i++) {
invalidate_cache(i);
invalidate_cache(i, -1, true);
}
is_dirty = false;
}
@ -294,7 +327,7 @@ void TextEdit::Text::clear() {
line.gutters.resize(gutter_count);
line.data = "";
text.insert(0, line);
invalidate_cache(0);
invalidate_cache(0, -1, true);
}
int TextEdit::Text::get_max_width() const {
@ -306,7 +339,7 @@ void TextEdit::Text::set(int p_line, const String &p_text, const Array &p_bidi_o
text.write[p_line].data = p_text;
text.write[p_line].bidi_override = p_bidi_override;
invalidate_cache(p_line);
invalidate_cache(p_line, -1, true);
}
void TextEdit::Text::insert(int p_at, const Vector<String> &p_text, const Vector<Array> &p_bidi_override) {
@ -331,7 +364,7 @@ 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);
invalidate_cache(p_at + i, -1, true);
}
}
@ -1446,9 +1479,11 @@ void TextEdit::_notification(int p_what) {
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 (!ime_text.is_empty()) {
ime_text = "";
ime_selection = Point2();
text.invalidate_cache(caret.line, caret.column, true, ime_text);
}
if (DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_VIRTUAL_KEYBOARD) && virtual_keyboard_enabled) {
DisplayServer::get_singleton()->virtual_keyboard_hide();
@ -1470,7 +1505,7 @@ void TextEdit::_notification(int p_what) {
t = ime_text;
}
text.invalidate_cache(caret.line, caret.column, t, structured_text_parser(st_parser, st_args, t));
text.invalidate_cache(caret.line, caret.column, true, t, structured_text_parser(st_parser, st_args, t));
update();
}
} break;
@ -2538,7 +2573,7 @@ void TextEdit::_update_caches() {
text.set_draw_control_chars(draw_control_chars);
text.set_font(font);
text.set_font_size(font_size);
text.invalidate_all();
text.invalidate_font();
_update_placeholder();
/* Syntax highlighting. */
@ -2718,7 +2753,7 @@ void TextEdit::set_text_direction(Control::TextDirection p_text_direction) {
dir = (TextServer::Direction)text_direction;
}
text.set_direction_and_language(dir, (!language.is_empty()) ? language : TranslationServer::get_singleton()->get_tool_locale());
text.invalidate_all();
text.invalidate_font();
_update_placeholder();
if (menu_dir) {
@ -2740,7 +2775,7 @@ void TextEdit::set_opentype_feature(const String &p_name, int p_value) {
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();
text.invalidate_font();
_update_placeholder();
update();
}
@ -2757,7 +2792,7 @@ int TextEdit::get_opentype_feature(const String &p_name) const {
void TextEdit::clear_opentype_features() {
opentype_features.clear();
text.set_font_features(opentype_features);
text.invalidate_all();
text.invalidate_font();
_update_placeholder();
update();
}
@ -4852,7 +4887,7 @@ void TextEdit::set_draw_control_chars(bool p_enabled) {
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();
text.invalidate_font();
_update_placeholder();
update();
}
@ -5319,7 +5354,7 @@ bool TextEdit::_set(const StringName &p_name, const Variant &p_value) {
if (opentype_features.has(tag)) {
opentype_features.erase(tag);
text.set_font_features(opentype_features);
text.invalidate_all();
text.invalidate_font();
_update_placeholder();
update();
}
@ -5327,7 +5362,7 @@ bool TextEdit::_set(const StringName &p_name, const Variant &p_value) {
if (!opentype_features.has(tag) || (int)opentype_features[tag] != value) {
opentype_features[tag] = value;
text.set_font_features(opentype_features);
text.invalidate_all();
text.invalidate_font();
_update_placeholder();
update();
}