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Get system dark mode state asynchronously on Linux

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This commit is contained in:
Ilya Fedin 2021-05-27 23:54:57 +04:00 • committed by John Preston
parent c6dcc57c5e
commit b964c681f8
1 changed files with 123 additions and 115 deletions
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238
Telegram/SourceFiles/platform/linux/specific_linux.cpp
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@ -421,6 +421,125 @@ void SetGtkScaleFactor() {
cSetScreenScale(style::CheckScale(scaleFactor * 100)); cSetScreenScale(style::CheckScale(scaleFactor * 100));
} }
void SetDarkMode() {
static const auto Inited = [] {
QObject::connect(
qGuiApp,
&QGuiApplication::paletteChanged,
SetDarkMode);
#ifndef DESKTOP_APP_DISABLE_DBUS_INTEGRATION
using XDPSettingWatcher = base::Platform::XDP::SettingWatcher;
static const XDPSettingWatcher KdeColorSchemeWatcher(
[=](
const Glib::ustring &group,
const Glib::ustring &key,
const Glib::VariantBase &value) {
if (group == "org.kde.kdeglobals.General"
&& key == "ColorScheme") {
SetDarkMode();
}
});
#endif // !DESKTOP_APP_DISABLE_DBUS_INTEGRATION
const auto integration = BaseGtkIntegration::Instance();
if (integration) {
integration->connectToSetting(
"gtk-theme-name",
SetDarkMode);
if (integration->checkVersion(3, 0, 0)) {
integration->connectToSetting(
"gtk-application-prefer-dark-theme",
SetDarkMode);
}
}
return true;
}();
std::optional<bool> result;
const auto setter = gsl::finally([&] {
crl::on_main([=] {
Core::App().settings().setSystemDarkMode(result);
});
});
const auto styleName = QApplication::style()->metaObject()->className();
if (styleName != qstr("QFusionStyle")
&& styleName != qstr("QWindowsStyle")) {
result = false;
const auto paletteBackgroundGray = qGray(
QPalette().color(QPalette::Window).rgb());
if (paletteBackgroundGray < kDarkColorLimit) {
result = true;
return;
}
}
#ifndef DESKTOP_APP_DISABLE_DBUS_INTEGRATION
try {
using namespace base::Platform::XDP;
const auto kdeBackgroundColorOptional = ReadSetting(
"org.kde.kdeglobals.Colors:Window",
"BackgroundNormal");
if (kdeBackgroundColorOptional.has_value()) {
const auto kdeBackgroundColorList = QString::fromStdString(
base::Platform::GlibVariantCast<Glib::ustring>(
*kdeBackgroundColorOptional)).split(',');
if (kdeBackgroundColorList.size() >= 3) {
result = false;
const auto kdeBackgroundGray = qGray(
kdeBackgroundColorList[0].toInt(),
kdeBackgroundColorList[1].toInt(),
kdeBackgroundColorList[2].toInt());
if (kdeBackgroundGray < kDarkColorLimit) {
result = true;
return;
}
}
}
} catch (...) {
}
#endif // !DESKTOP_APP_DISABLE_DBUS_INTEGRATION
const auto integration = BaseGtkIntegration::Instance();
if (integration) {
if (integration->checkVersion(3, 0, 0)) {
const auto preferDarkTheme = integration->getBoolSetting(
qsl("gtk-application-prefer-dark-theme"));
if (preferDarkTheme.has_value()) {
result = false;
if (*preferDarkTheme) {
result = true;
return;
}
}
}
const auto themeName = integration->getStringSetting(
qsl("gtk-theme-name"));
if (themeName.has_value()) {
result = false;
if (themeName->contains(qsl("-dark"), Qt::CaseInsensitive)) {
result = true;
return;
}
}
}
}
} // namespace } // namespace
void SetWatchingMediaKeys(bool watching) { void SetWatchingMediaKeys(bool watching) {
@ -514,119 +633,7 @@ QImage GetImageFromClipboard() {
} }
std::optional<bool> IsDarkMode() { std::optional<bool> IsDarkMode() {
std::optional<bool> failResult; return Core::App().settings().systemDarkMode();
if (static auto Once = false; !std::exchange(Once, true)) {
const auto onChanged = [] {
Core::Sandbox::Instance().customEnterFromEventLoop([] {
Core::App().settings().setSystemDarkMode(IsDarkMode());
});
};
QObject::connect(
qGuiApp,
&QGuiApplication::paletteChanged,
onChanged);
#ifndef DESKTOP_APP_DISABLE_DBUS_INTEGRATION
using XDPSettingWatcher = base::Platform::XDP::SettingWatcher;
static const XDPSettingWatcher KdeColorSchemeWatcher(
[=](
const Glib::ustring &group,
const Glib::ustring &key,
const Glib::VariantBase &value) {
if (group == "org.kde.kdeglobals.General"
&& key == "ColorScheme") {
onChanged();
}
});
#endif // !DESKTOP_APP_DISABLE_DBUS_INTEGRATION
const auto integration = BaseGtkIntegration::Instance();
if (integration) {
integration->connectToSetting(
"gtk-theme-name",
onChanged);
if (integration->checkVersion(3, 0, 0)) {
integration->connectToSetting(
"gtk-application-prefer-dark-theme",
onChanged);
}
}
}
const auto styleName = QApplication::style()->metaObject()->className();
if (styleName != qstr("QFusionStyle")
&& styleName != qstr("QWindowsStyle")) {
failResult = false;
const auto paletteBackgroundGray = qGray(
QPalette().color(QPalette::Window).rgb());
if (paletteBackgroundGray < kDarkColorLimit) {
return true;
}
}
#ifndef DESKTOP_APP_DISABLE_DBUS_INTEGRATION
try {
using namespace base::Platform::XDP;
const auto kdeBackgroundColorOptional = ReadSetting(
"org.kde.kdeglobals.Colors:Window",
"BackgroundNormal");
if (kdeBackgroundColorOptional.has_value()) {
const auto kdeBackgroundColorList = QString::fromStdString(
base::Platform::GlibVariantCast<Glib::ustring>(
*kdeBackgroundColorOptional)).split(',');
if (kdeBackgroundColorList.size() >= 3) {
failResult = false;
const auto kdeBackgroundGray = qGray(
kdeBackgroundColorList[0].toInt(),
kdeBackgroundColorList[1].toInt(),
kdeBackgroundColorList[2].toInt());
if (kdeBackgroundGray < kDarkColorLimit) {
return true;
}
}
}
} catch (...) {
}
#endif // !DESKTOP_APP_DISABLE_DBUS_INTEGRATION
const auto integration = BaseGtkIntegration::Instance();
if (integration) {
if (integration->checkVersion(3, 0, 0)) {
const auto preferDarkTheme = integration->getBoolSetting(
qsl("gtk-application-prefer-dark-theme"));
if (preferDarkTheme.has_value()) {
failResult = false;
if (*preferDarkTheme) {
return true;
}
}
}
const auto themeName = integration->getStringSetting(
qsl("gtk-theme-name"));
if (themeName.has_value()) {
failResult = false;
if (themeName->contains(qsl("-dark"), Qt::CaseInsensitive)) {
return true;
}
}
}
return failResult;
} }
bool AutostartSupported() { bool AutostartSupported() {
@ -966,13 +973,14 @@ void start() {
integration->load(); integration->load();
} }
SetGtkScaleFactor();
// wait for interface announce to know if native window frame is supported // wait for interface announce to know if native window frame is supported
if (const auto integration = WaylandIntegration::Instance()) { if (const auto integration = WaylandIntegration::Instance()) {
integration->waitForInterfaceAnnounce(); integration->waitForInterfaceAnnounce();
} }
SetGtkScaleFactor();
crl::async(SetDarkMode);
#ifndef DESKTOP_APP_DISABLE_DBUS_INTEGRATION #ifndef DESKTOP_APP_DISABLE_DBUS_INTEGRATION
NSWInstance = std::make_unique<internal::NotificationServiceWatcher>(); NSWInstance = std::make_unique<internal::NotificationServiceWatcher>();
FileDialog::XDP::Start(); FileDialog::XDP::Start();