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https://github.com/RGBCube/serenity
synced 2025-07-23 05:07:34 +00:00
LibGUI: Create TextAttributes for unspanned text once, not repeatedly
Also, stop unnecessarily creating a RefPtr for the unspanned font - just use `font()`, which returns a reference.
This commit is contained in:
parent
e8b7bdbd57
commit
b5e1babc26
1 changed files with 15 additions and 16 deletions
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@ -420,6 +420,13 @@ void TextEditor::paint_event(PaintEvent& event)
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painter.add_clip_rect(event.rect());
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painter.add_clip_rect(event.rect());
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painter.fill_rect(event.rect(), widget_background_color);
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painter.fill_rect(event.rect(), widget_background_color);
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Gfx::TextAttributes unspanned_text_attributes;
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if (is_displayonly() && is_focused()) {
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unspanned_text_attributes.color = palette().color(is_enabled() ? Gfx::ColorRole::SelectionText : Gfx::ColorRole::DisabledText);
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} else {
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unspanned_text_attributes.color = palette().color(is_enabled() ? foreground_role() : Gfx::ColorRole::DisabledText);
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}
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// NOTE: This lambda and TextEditor::text_width_for_font() are used to substitute all glyphs with m_substitution_code_point if necessary.
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// NOTE: This lambda and TextEditor::text_width_for_font() are used to substitute all glyphs with m_substitution_code_point if necessary.
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// Painter::draw_text() and Gfx::Font::width() should not be called directly, but using this lambda and TextEditor::text_width_for_font().
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// Painter::draw_text() and Gfx::Font::width() should not be called directly, but using this lambda and TextEditor::text_width_for_font().
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auto draw_text = [&](Gfx::IntRect const& rect, auto const& raw_text, Gfx::Font const& font, Gfx::TextAlignment alignment, Gfx::TextAttributes attributes, bool substitute = true) {
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auto draw_text = [&](Gfx::IntRect const& rect, auto const& raw_text, Gfx::Font const& font, Gfx::TextAlignment alignment, Gfx::TextAttributes attributes, bool substitute = true) {
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@ -558,29 +565,21 @@ void TextEditor::paint_event(PaintEvent& event)
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draw_text(line_rect, placeholder(), font(), m_text_alignment, { palette().color(Gfx::ColorRole::PlaceholderText) }, false);
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draw_text(line_rect, placeholder(), font(), m_text_alignment, { palette().color(Gfx::ColorRole::PlaceholderText) }, false);
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} else if (!document().has_spans()) {
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} else if (!document().has_spans()) {
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// Fast-path for plain text
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// Fast-path for plain text
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auto color = palette().color(is_enabled() ? foreground_role() : Gfx::ColorRole::DisabledText);
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draw_text(visual_line_rect, visual_line_text, font(), m_text_alignment, unspanned_text_attributes);
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if (is_displayonly() && is_focused())
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color = palette().color(is_enabled() ? Gfx::ColorRole::SelectionText : Gfx::ColorRole::DisabledText);
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draw_text(visual_line_rect, visual_line_text, font(), m_text_alignment, { color });
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} else {
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} else {
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auto unspanned_color = palette().color(is_enabled() ? foreground_role() : Gfx::ColorRole::DisabledText);
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if (is_displayonly() && is_focused())
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unspanned_color = palette().color(is_enabled() ? Gfx::ColorRole::SelectionText : Gfx::ColorRole::DisabledText);
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RefPtr<Gfx::Font const> unspanned_font = this->font();
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size_t next_column = 0;
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size_t next_column = 0;
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Gfx::IntRect span_rect = { visual_line_rect.location(), { 0, line_height() } };
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Gfx::IntRect span_rect = { visual_line_rect.location(), { 0, line_height() } };
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auto draw_text_helper = [&](size_t start, size_t end, RefPtr<Gfx::Font const>& font, Gfx::TextAttributes text_attributes) {
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auto draw_text_helper = [&](size_t start, size_t end, Gfx::Font const& font, Gfx::TextAttributes text_attributes) {
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size_t length = end - start;
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size_t length = end - start;
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if (length == 0)
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if (length == 0)
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return;
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return;
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auto text = visual_line_text.substring_view(start, length);
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auto text = visual_line_text.substring_view(start, length);
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span_rect.set_width(font->width(text) + font->glyph_spacing());
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span_rect.set_width(font.width(text) + font.glyph_spacing());
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if (text_attributes.background_color.has_value()) {
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if (text_attributes.background_color.has_value()) {
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painter.fill_rect(span_rect, text_attributes.background_color.value());
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painter.fill_rect(span_rect, text_attributes.background_color.value());
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}
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}
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draw_text(span_rect, text, *font, m_text_alignment, text_attributes);
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draw_text(span_rect, text, font, m_text_alignment, text_attributes);
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span_rect.translate_by(span_rect.width(), 0);
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span_rect.translate_by(span_rect.width(), 0);
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};
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};
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while (span_index < document().spans().size()) {
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while (span_index < document().spans().size()) {
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@ -612,10 +611,10 @@ void TextEditor::paint_event(PaintEvent& event)
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if (span_start != next_column) {
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if (span_start != next_column) {
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// draw unspanned text between spans
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// draw unspanned text between spans
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draw_text_helper(next_column, span_start, unspanned_font, { unspanned_color });
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draw_text_helper(next_column, span_start, font(), unspanned_text_attributes);
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}
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}
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auto font = span.attributes.bold ? unspanned_font->bold_variant() : unspanned_font;
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auto& span_font = span.attributes.bold ? font().bold_variant() : font();
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draw_text_helper(span_start, span_end, font, span.attributes);
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draw_text_helper(span_start, span_end, span_font, span.attributes);
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next_column = span_end;
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next_column = span_end;
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if (!span_consumed) {
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if (!span_consumed) {
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// continue with same span on next line
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// continue with same span on next line
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@ -626,7 +625,7 @@ void TextEditor::paint_event(PaintEvent& event)
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}
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}
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// draw unspanned text after last span
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// draw unspanned text after last span
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if (next_column < visual_line_text.length()) {
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if (next_column < visual_line_text.length()) {
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draw_text_helper(next_column, visual_line_text.length(), unspanned_font, { unspanned_color });
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draw_text_helper(next_column, visual_line_text.length(), font(), unspanned_text_attributes);
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}
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}
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}
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}
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