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Code Issues Projects Releases Packages Wiki Activity Actions 9

LibWeb/Painting: Use GlyphRun font for measuring selection rectangle

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We incorrectly used the first available font to measure this before,
which may or may not be the correct font for this text.
This commit is contained in:
Sam Atkins 2024-12-05 17:54:05 +00:00 • committed by Alexander Kalenik
parent 7a0c675f45
commit e457252c97
Notes: github-actions[bot] 2024-12-06 01:58:40 +00:00
4 changed files with 10 additions and 9 deletions
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3
Libraries/LibWeb/DOM/Range.cpp
View file

@ -1199,9 +1199,8 @@ GC::Ref<Geometry::DOMRectList> Range::get_client_rects()
if (is<Painting::PaintableWithLines>(*containing_block)) {
auto const& paintable_lines = static_cast<Painting::PaintableWithLines const&>(*containing_block);
auto fragments = paintable_lines.fragments();
auto const& font = paintable->layout_node().first_available_font();
for (auto frag = fragments.begin(); frag != fragments.end(); frag++) {
auto rect = frag->range_rect(font, start_offset(), end_offset());
auto rect = frag->range_rect(start_offset(), end_offset());
if (rect.is_empty())
continue;
rects.append(Geometry::DOMRect::create(realm(),

2
Libraries/LibWeb/Painting/PaintableBox.cpp
View file

@ -681,7 +681,7 @@ void paint_text_fragment(PaintContext& context, TextPaintable const& paintable,
auto scale = context.device_pixels_per_css_pixel();
painter.draw_text_run(baseline_start.to_type<int>(), *glyph_run, paintable.computed_values().webkit_text_fill_color(), fragment_absolute_device_rect.to_type<int>(), scale, fragment.orientation());
auto selection_rect = context.enclosing_device_rect(fragment.selection_rect(paintable.layout_node().first_available_font())).to_type<int>();
auto selection_rect = context.enclosing_device_rect(fragment.selection_rect()).to_type<int>();
if (!selection_rect.is_empty()) {
painter.fill_rect(selection_rect, CSS::SystemColor::highlight());
DisplayListRecorderStateSaver saver(painter);

10
Libraries/LibWeb/Painting/PaintableFragment.cpp
View file

@ -70,7 +70,8 @@ int PaintableFragment::text_index_at(CSSPixelPoint position) const
return m_start + m_length;
}
CSSPixelRect PaintableFragment::range_rect(Gfx::Font const& font, size_t start_offset, size_t end_offset) const
CSSPixelRect PaintableFragment::range_rect(size_t start_offset, size_t end_offset) const
{
if (paintable().selection_state() == Paintable::SelectionState::None)
return {};
@ -82,6 +83,7 @@ CSSPixelRect PaintableFragment::range_rect(Gfx::Font const& font, size_t start_o
auto const start_index = static_cast<unsigned>(m_start);
auto const end_index = static_cast<unsigned>(m_start) + static_cast<unsigned>(m_length);
auto const& font = glyph_run() ? glyph_run()->font() : layout_node().first_available_font();
auto text = string_view();
if (paintable().selection_state() == Paintable::SelectionState::StartAndEnd) {
@ -185,7 +187,7 @@ Gfx::Orientation PaintableFragment::orientation() const
}
}
CSSPixelRect PaintableFragment::selection_rect(Gfx::Font const& font) const
CSSPixelRect PaintableFragment::selection_rect() const
{
if (auto const* focused_element = paintable().document().focused_element(); focused_element && is<HTML::FormAssociatedTextControlElement>(*focused_element)) {
HTML::FormAssociatedTextControlElement const* text_control_element = nullptr;
@ -200,7 +202,7 @@ CSSPixelRect PaintableFragment::selection_rect(Gfx::Font const& font) const
auto selection_end = text_control_element->selection_end();
if (!selection_start.has_value() || !selection_end.has_value())
return {};
return range_rect(font, selection_start.value(), selection_end.value());
return range_rect(selection_start.value(), selection_end.value());
}
auto selection = paintable().document().get_selection();
if (!selection)
@ -209,7 +211,7 @@ CSSPixelRect PaintableFragment::selection_rect(Gfx::Font const& font) const
if (!range)
return {};
return range_rect(font, range->start_offset(), range->end_offset());
return range_rect(range->start_offset(), range->end_offset());
}
StringView PaintableFragment::string_view() const

4
Libraries/LibWeb/Painting/PaintableFragment.h
View file

@ -39,8 +39,8 @@ public:
RefPtr<Gfx::GlyphRun> glyph_run() const { return m_glyph_run; }
Gfx::Orientation orientation() const;
CSSPixelRect selection_rect(Gfx::Font const&) const;
CSSPixelRect range_rect(Gfx::Font const&, size_t start_offset, size_t end_offset) const;
CSSPixelRect selection_rect() const;
CSSPixelRect range_rect(size_t start_offset, size_t end_offset) const;
CSSPixels width() const { return m_size.width(); }
CSSPixels height() const { return m_size.height(); }