[Backport release-9.x] Use default palette on all system themes (#3585)

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Seth Flynn 2025-04-06 15:57:45 -04:00 committed by GitHub
commit ce0a730531
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4 changed files with 22 additions and 10 deletions

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@ -40,20 +40,29 @@
#include "HintOverrideProxyStyle.h"
#include "ThemeManager.h"
SystemTheme::SystemTheme(const QString& styleName, bool isDefaultTheme)
// See https://github.com/MultiMC/Launcher/issues/1790
// or https://github.com/PrismLauncher/PrismLauncher/issues/490
static const QStringList S_NATIVE_STYLES{ "windows11", "windowsvista", "macos", "system", "windows" };
SystemTheme::SystemTheme(const QString& styleName, const QPalette& defaultPalette, bool isDefaultTheme)
{
m_themeName = isDefaultTheme ? "system" : styleName;
m_widgetTheme = styleName;
auto style = QStyleFactory::create(styleName);
m_colorPalette = style->standardPalette();
delete style;
// NOTE: SystemTheme is reconstructed on page refresh. We can't accurately determine the system palette here
// See also S_NATIVE_STYLES comment
if (S_NATIVE_STYLES.contains(m_themeName)) {
m_colorPalette = defaultPalette;
} else {
auto style = QStyleFactory::create(styleName);
m_colorPalette = style->standardPalette();
delete style;
}
}
void SystemTheme::apply(bool initial)
{
// See https://github.com/MultiMC/Launcher/issues/1790
// or https://github.com/PrismLauncher/PrismLauncher/issues/490
if (initial && m_themeName == "system") {
// See S_NATIVE_STYLES comment
if (initial && S_NATIVE_STYLES.contains(m_themeName)) {
QApplication::setStyle(new HintOverrideProxyStyle(QStyleFactory::create(qtTheme())));
return;
}

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@ -38,7 +38,7 @@
class SystemTheme : public ITheme {
public:
SystemTheme(const QString& styleName, bool isDefaultTheme);
SystemTheme(const QString& styleName, const QPalette& defaultPalette, bool isDefaultTheme);
virtual ~SystemTheme() {}
void apply(bool initial) override;

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@ -44,6 +44,8 @@ ThemeManager::ThemeManager()
m_defaultStyle = style->objectName();
themeDebugLog() << "System theme seems to be:" << m_defaultStyle;
m_defaultPalette = QApplication::palette();
initializeThemes();
initializeCatPacks();
}
@ -126,7 +128,7 @@ void ThemeManager::initializeIcons()
void ThemeManager::initializeWidgets()
{
themeDebugLog() << "<> Initializing Widget Themes";
themeDebugLog() << "Loading Built-in Theme:" << addTheme(std::make_unique<SystemTheme>(m_defaultStyle, true));
themeDebugLog() << "Loading Built-in Theme:" << addTheme(std::make_unique<SystemTheme>(m_defaultStyle, m_defaultPalette, true));
auto darkThemeId = addTheme(std::make_unique<DarkTheme>());
themeDebugLog() << "Loading Built-in Theme:" << darkThemeId;
themeDebugLog() << "Loading Built-in Theme:" << addTheme(std::make_unique<BrightTheme>());
@ -139,7 +141,7 @@ void ThemeManager::initializeWidgets()
continue;
}
#endif
themeDebugLog() << "Loading System Theme:" << addTheme(std::make_unique<SystemTheme>(st, false));
themeDebugLog() << "Loading System Theme:" << addTheme(std::make_unique<SystemTheme>(st, m_defaultPalette, false));
}
// TODO: need some way to differentiate same name themes in different subdirectories

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@ -68,6 +68,7 @@ class ThemeManager {
QDir m_applicationThemeFolder{ "themes" };
QDir m_catPacksFolder{ "catpacks" };
std::map<QString, std::unique_ptr<CatPack>> m_catPacks;
QPalette m_defaultPalette;
QString m_defaultStyle;
LogColors m_logColors;