fixed update icon windows

client/platforms/windows/windowsutils.cpp

@@ -100,6 +100,7 @@ bool WindowsUtils::isDarkTheme() {
   QSettings settings(
           QStringLiteral("HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize"),
           QSettings::NativeFormat);
+    settings.sync();
 
   if (settings.contains(QStringLiteral("SystemUsesLightTheme"))) {
       return registryUsesDarkTheme(settings, QStringLiteral("SystemUsesLightTheme"));

client/platforms/windows/wintrayiconbackend.cpp

@@ -6,6 +6,15 @@
 
 WinTrayIconBackend::WinTrayIconBackend(QObject *parent) : m_trayIcon(parent)
 {
+    m_reapplyTimerShort.setSingleShot(true);
+    m_reapplyTimerLong.setSingleShot(true);
+    QObject::connect(&m_reapplyTimerShort, &QTimer::timeout, &m_trayIcon, [this]() { reapplyLastVisual(); });
+    QObject::connect(&m_reapplyTimerLong, &QTimer::timeout, &m_trayIcon, [this]() { reapplyLastVisual(); });
+}
+
+void WinTrayIconBackend::reapplyLastVisual()
+{
+    WinTrayIcon::applyTo(m_trayIcon, m_lastVisual.connectionState, m_lastVisual.darkTheme);
 }
 
 void WinTrayIconBackend::setMenu(QMenu *menu)
@@ -25,7 +34,11 @@ void WinTrayIconBackend::show()
 
 void WinTrayIconBackend::applyVisual(const TrayIconVisual &visual)
 {
+    m_lastVisual = visual;
     WinTrayIcon::applyTo(m_trayIcon, visual.connectionState, visual.darkTheme);
+
+    m_reapplyTimerShort.start(250);
+    m_reapplyTimerLong.start(1200);
 }
 
 void WinTrayIconBackend::showMessage(const QString &title, const QString &message, const TrayIconVisual &visual,

client/platforms/windows/wintrayiconbackend.h

@@ -6,6 +6,7 @@
 #include <QColor>
 #include <QIcon>
 #include <QSystemTrayIcon>
+#include <QTimer>
 
 class WinTrayIconBackend final : public TrayIconBackend
 {
@@ -21,7 +22,12 @@ public:
     void setActivatedHandler(std::function<void(QSystemTrayIcon::ActivationReason)> handler) override;
 
 private:
+    void reapplyLastVisual();
+
     QSystemTrayIcon m_trayIcon;
+    TrayIconVisual m_lastVisual;
+    QTimer m_reapplyTimerShort;
+    QTimer m_reapplyTimerLong;
 };
 
 #endif // WINTRAYICONBACKEND_H

client/platforms/windows/wintraytheme.cpp

@@ -7,6 +7,7 @@
 #include <QGuiApplication>
 #include <QObject>
 #include <QStyleHints>
+#include <QTimer>
 
 void WinTrayTheme::installThemeObserver(const std::function<void()> &onThemeChanged, QObject *parent)
 {
@@ -14,15 +15,18 @@ void WinTrayTheme::installThemeObserver(const std::function<void()> &onThemeChan
         return;
     }
 
+    auto *debounce = new QTimer(parent);
+    debounce->setSingleShot(true);
+    QObject::connect(debounce, &QTimer::timeout, parent, [onThemeChanged]() { onThemeChanged(); });
+
+    const auto schedule = [debounce]() { debounce->start(150); };
+
     if (QStyleHints *styleHints = QGuiApplication::styleHints()) {
-        QObject::connect(styleHints, &QStyleHints::colorSchemeChanged, parent, [onThemeChanged]() {
+        QObject::connect(styleHints, &QStyleHints::colorSchemeChanged, parent,
-            onThemeChanged();
+                         [schedule](Qt::ColorScheme) { schedule(); });
-        });
     }
 
-    qApp->installEventFilter(new TrayThemeChangeFilter([onThemeChanged]() {
+    qApp->installEventFilter(new TrayThemeChangeFilter([schedule]() { schedule(); }, parent));
-        onThemeChanged();
-    }, parent));
 
-    WindowsUtils::installThemeChangeObserver(onThemeChanged);
+    WindowsUtils::installThemeChangeObserver([schedule]() { schedule(); });
 }

client/ui/utils/systemTrayNotificationHandler.cpp

@@ -105,9 +105,6 @@ void SystemTrayNotificationHandler::updateTrayIcon()
     }
 
     m_trayIcon->applyVisual(currentTrayVisual());
-#if defined(Q_OS_WIN)
-    qDebug() << "Windows tray: setIcon darkTheme=" << m_isDarkTheme << "state=" << static_cast<int>(m_trayState);
-#endif
 }
 
 void SystemTrayNotificationHandler::onTrayActivated(QSystemTrayIcon::ActivationReason reason)