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[Fonts] Restore the startup font when a config has no InterfaceDefault

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- Capture the untouched application font next to the default palette and use
  it in previewFonts' else branch, so a config without InterfaceDefault
  restores the startup font instead of leaving the last preview applied.
- Drop the unpolish/polish loop from previewFonts: QApplication::setFont
  already notifies every widget, and the loop ran on every editor auto-apply.
This commit is contained in:
Lukas Brübach 2026-11-01 13:53:21 +01:00
parent 58ee72543a
commit c63a359c3d
2 changed files with 13 additions and 10 deletions
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19
cockatrice/src/interface/theme_manager.cpp
View file

@ -127,8 +127,10 @@ static QString usableDefaultStyle(const QString &style)
ThemeManager::ThemeManager(QObject *parent) : QObject(parent)
{
defaultStyleName = usableDefaultStyle(qApp->style()->objectName());
// Capture the untouched application palette before any theme is applied.
// Capture the untouched application palette and font before any theme is
// applied.
defaultPalette = qApp->palette();
defaultFont = qApp->font();
ensureThemeDirectoryExists();
#if (QT_VERSION >= QT_VERSION_CHECK(6, 5, 0))
connect(QGuiApplication::styleHints(), &QStyleHints::colorSchemeChanged, this, [this] {
@ -520,18 +522,15 @@ void ThemeManager::previewFonts(const FontConfig &cfg)
{
currentFonts = cfg;
// QApplication::setFont already sends a font change to every widget, so a
// repolish pass is not needed for fonts (unlike the palette path).
const auto it = cfg.fonts.constFind(AppFont::InterfaceDefault);
if (it != cfg.fonts.constEnd()) {
qApp->setFont(it.value());
// Repolish every widget immediately so the preview applies without
// waiting for natural expose events, mirroring applyStyleAndPalette.
QStyle *style = qApp->style();
for (QWidget *widget : qApp->allWidgets()) {
style->unpolish(widget);
style->polish(widget);
widget->update();
}
} else {
// A config without InterfaceDefault means "no override": restore the
// startup font instead of leaving the last preview applied.
qApp->setFont(defaultFont);
}
emit fontsChanged();

4
cockatrice/src/interface/theme_manager.h
View file

@ -48,6 +48,10 @@ private:
// palette is applied. Used as the base when a theme supplies no palette, so
// switching away from a custom palette restores the original colours.
QPalette defaultPalette;
// Pristine application font captured at startup, before any theme font is
// applied. Restored when a theme (or a preview) supplies no InterfaceDefault
// font, so switching away from a themed font cannot leave it behind.
QFont defaultFont;
QString currentThemePath;
std::array<QBrush, Role::MaxRole + 1> brushes;
QStringMap availableThemes;