From 95666236517f28f8e8d698fcab904fae4b772312 Mon Sep 17 00:00:00 2001
From: Martchus <martchus@gmx.net>
Date: Sun, 26 Mar 2023 21:32:53 +0200
Subject: [PATCH] Apply Qt settings during runtime

It is no longer required to restart the application to change settings like
the widget style and palette.
---
 README.md                 | 5 +++--
 tray/application/main.cpp | 1 +
 tray/gui/traywidget.cpp   | 1 +
 3 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 79aaa2e..3f1950f 100644
--- a/README.md
+++ b/README.md
@@ -571,8 +571,9 @@ tweaking:
   WindowsArguments = darkmode=1
   ```
 
-After changing these settings, restart Syncthing Tray. It is not sufficient to
-close the last Windows; the process needs to be restarted.
+When using Syncthing Tray 1.3.x or older, you need to restart Syncthing Tray for
+these changes to have any effect. It is not sufficient to close the last window;
+the process needs to be restarted.
 
 Note that one can alternatively also enable Windows' "High contrast" setting which
 seems to bring back the traditional theming/coloring (which has normally been
diff --git a/tray/application/main.cpp b/tray/application/main.cpp
index e174ac9..b63d840 100644
--- a/tray/application/main.cpp
+++ b/tray/application/main.cpp
@@ -220,6 +220,7 @@ int runApplication(int argc, const char *const *argv)
         QObject::connect(&singleInstance, &SingleInstance::newInstance, &runApplication);
         Settings::restore();
         auto &settings = Settings::values();
+        settings.qt.disableNotices();
         settings.qt.apply();
         qtConfigArgs.applySettings(true);
         if (assumeFirstLaunchArg.isPresent()) {
diff --git a/tray/gui/traywidget.cpp b/tray/gui/traywidget.cpp
index f3d290a..7e0d41a 100644
--- a/tray/gui/traywidget.cpp
+++ b/tray/gui/traywidget.cpp
@@ -631,6 +631,7 @@ bool TrayWidget::event(QEvent *event)
 
 void TrayWidget::applySettingsOnAllInstances()
 {
+    Settings::values().qt.apply();
     for (TrayWidget *instance : s_instances) {
         instance->applySettings();
     }