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LibGUI: Allow GlyphMapWidget to highlight modified glyphs

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This makes modifications in FontEditor more visible, both so you know
what you've changed, and for taking a handy "here's what's changed"
screenshot for a font PR. :^)

The background color for new glyphs is green, modified glyphs is blue,
and deleted glyphs is red. The changes persist until you load a new
font file, so you can continue saving your work as you go and still be
able to take a convenient screenshot at the end.

I didn't feel like this one use was enough to add 3 new color roles to
themes, so to make this look decent on dark themes, it detects if the
theme is marked as dark, and uses darker colors for the highlights
which look nice with a light text color.
This commit is contained in:
Sam Atkins 2022-07-27 16:46:21 +01:00 • committed by Sam Atkins
parent bddbb49923
commit 014d825472
2 changed files with 67 additions and 3 deletions
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61
Userland/Libraries/LibGUI/GlyphMapWidget.cpp
View file

@ -113,6 +113,7 @@ Gfx::IntRect GlyphMapWidget::get_outer_rect(int glyph) const
void GlyphMapWidget::update_glyph(int glyph)
{
set_glyph_modified(glyph, true);
update(get_outer_rect(glyph));
}
@ -146,13 +147,38 @@ void GlyphMapWidget::paint_event(PaintEvent& event)
else if (auto* emoji = Gfx::Emoji::emoji_for_code_point(glyph))
painter.draw_emoji(inner_rect.location(), *emoji, font());
} else if (font().contains_glyph(glyph)) {
painter.fill_rect(outer_rect, palette().base());
if (m_highlight_modifications && m_modified_glyphs.contains(glyph)) {
if (m_original_font->contains_glyph(glyph)) {
// Modified
if (palette().is_dark())
painter.fill_rect(outer_rect, Gfx::Color { 0, 65, 159 });
else
painter.fill_rect(outer_rect, Gfx::Color { 138, 185, 252 });
} else {
// Newly created
if (palette().is_dark())
painter.fill_rect(outer_rect, Gfx::Color { 8, 127, 0 });
else
painter.fill_rect(outer_rect, Gfx::Color { 133, 251, 116 });
}
} else {
painter.fill_rect(outer_rect, palette().base());
}
painter.draw_glyph(inner_rect.location(), glyph, palette().base_text());
} else if (auto* emoji = Gfx::Emoji::emoji_for_code_point(glyph)) {
painter.fill_rect(outer_rect, Gfx::Color { 255, 150, 150 });
painter.draw_emoji(inner_rect.location(), *emoji, font());
} else
painter.fill_rect(outer_rect, palette().window());
} else {
if (m_highlight_modifications && m_original_font->contains_glyph(glyph)) {
// Deleted
if (palette().is_dark())
painter.fill_rect(outer_rect, Gfx::Color { 127, 0, 0 });
else
painter.fill_rect(outer_rect, Gfx::Color { 255, 150, 150 });
} else {
painter.fill_rect(outer_rect, palette().window());
}
}
}
painter.draw_focus_rect(get_outer_rect(m_active_glyph), palette().focus_outline());
}
@ -401,4 +427,33 @@ void GlyphMapWidget::set_active_range(Unicode::CodePointRange range)
update();
}
void GlyphMapWidget::set_highlight_modifications(bool highlight_modifications)
{
if (m_highlight_modifications == highlight_modifications)
return;
m_highlight_modifications = highlight_modifications;
update();
}
void GlyphMapWidget::set_glyph_modified(u32 glyph, bool modified)
{
if (modified)
m_modified_glyphs.set(glyph);
else
m_modified_glyphs.remove(glyph);
}
bool GlyphMapWidget::glyph_is_modified(u32 glyph)
{
return m_modified_glyphs.contains(glyph);
}
void GlyphMapWidget::set_font(Gfx::Font const& font)
{
AbstractScrollableWidget::set_font(font);
m_original_font = font.clone();
m_modified_glyphs.clear();
}
}