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Add a way to get dark mode state on KDE

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This commit is contained in:
Ilya Fedin 2021-03-24 08:59:04 +04:00 • committed by John Preston
parent 822c1cafd2
commit 81d052adfc
1 changed files with 92 additions and 23 deletions
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115
Telegram/SourceFiles/platform/linux/specific_linux.cpp
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@ -26,6 +26,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
#ifndef DESKTOP_APP_DISABLE_DBUS_INTEGRATION
#include "base/platform/linux/base_linux_dbus_utilities.h"
#include "base/platform/linux/base_linux_xdp_utilities.h"
#include "platform/linux/linux_notification_service_watcher.h"
#include "platform/linux/linux_mpris_support.h"
#include "platform/linux/linux_gsd_media_keys.h"
@ -36,6 +37,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
#endif // !DESKTOP_APP_DISABLE_X11_INTEGRATION
#include <QtWidgets/QApplication>
#include <QtWidgets/QStyle>
#include <QtWidgets/QDesktopWidget>
#include <QtCore/QStandardPaths>
#include <QtCore/QProcess>
@ -67,6 +69,7 @@ namespace {
constexpr auto kDesktopFile = ":/misc/telegramdesktop.desktop"_cs;
constexpr auto kIconName = "telegram"_cs;
constexpr auto kHandlerTypeName = "x-scheme-handler/tg"_cs;
constexpr auto kDarkColorLimit = 192;
constexpr auto kXDGDesktopPortalService = "org.freedesktop.portal.Desktop"_cs;
constexpr auto kXDGDesktopPortalObjectPath = "/org/freedesktop/portal/desktop"_cs;
@ -503,15 +506,36 @@ QImage GetImageFromClipboard() {
}
std::optional<bool> IsDarkMode() {
std::optional<bool> failResult;
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) {
const auto onChanged = [] {
Core::Sandbox::Instance().customEnterFromEventLoop([] {
Core::App().settings().setSystemDarkMode(IsDarkMode());
});
};
integration->connectToSetting(
"gtk-theme-name",
onChanged);
@ -524,32 +548,77 @@ std::optional<bool> IsDarkMode() {
}
}
const auto integration = BaseGtkIntegration::Instance();
if (!integration) {
return std::nullopt;
}
const auto styleName = QApplication::style()->metaObject()->className();
if (styleName != qstr("QFusionStyle")
&& styleName != qstr("QWindowsStyle")) {
failResult = false;
if (integration->checkVersion(3, 0, 0)) {
const auto preferDarkTheme = integration->getBoolSetting(
qsl("gtk-application-prefer-dark-theme"));
const auto paletteBackgroundGray = qGray(
QPalette().color(QPalette::Window).rgb());
if (!preferDarkTheme.has_value()) {
return std::nullopt;
} else if (*preferDarkTheme) {
if (paletteBackgroundGray < kDarkColorLimit) {
return true;
}
}
const auto themeName = integration->getStringSetting(
qsl("gtk-theme-name"));
#ifndef DESKTOP_APP_DISABLE_DBUS_INTEGRATION
try {
using namespace base::Platform::XDP;
if (!themeName.has_value()) {
return std::nullopt;
} else if (themeName->contains(qsl("-dark"), Qt::CaseInsensitive)) {
return true;
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 false;
return failResult;
}
bool AutostartSupported() {