From f1df592c96f36724a5f18665b480bb82840b67ac Mon Sep 17 00:00:00 2001
From: Kai Uwe Broulik <kde@privat.broulik.de>
Date: Thu, 4 Jan 2024 21:02:33 +0100
Subject: [PATCH] QWaylandWindow: Update decoration when application
 palette/font changes

Ensures the decoration can redraw to adjust for the new colors/font.

Pick-to: 6.7 6.6 6.5
Change-Id: Ib46acde1d14baafda49f379f8279c396bc976bdc
Reviewed-by: David Edmundson <davidedmundson@kde.org>
---
 src/plugins/platforms/wayland/qwaylandwindow.cpp | 11 +++++++++++
 src/plugins/platforms/wayland/qwaylandwindow_p.h |  2 ++
 2 files changed, 13 insertions(+)

diff --git a/src/plugins/platforms/wayland/qwaylandwindow.cpp b/src/plugins/platforms/wayland/qwaylandwindow.cpp
index a6c0b97b797..b34e448b67a 100644
--- a/src/plugins/platforms/wayland/qwaylandwindow.cpp
+++ b/src/plugins/platforms/wayland/qwaylandwindow.cpp
@@ -1788,6 +1788,17 @@ void QWaylandWindow::reinit()
     }
 }
 
+bool QWaylandWindow::windowEvent(QEvent *event)
+{
+    if (event->type() == QEvent::ApplicationPaletteChange
+        || event->type() == QEvent::ApplicationFontChange) {
+        if (mWindowDecorationEnabled && window()->isVisible())
+            mWindowDecoration->update();
+    }
+
+    return QPlatformWindow::windowEvent(event);
+}
+
 }
 
 QT_END_NAMESPACE
diff --git a/src/plugins/platforms/wayland/qwaylandwindow_p.h b/src/plugins/platforms/wayland/qwaylandwindow_p.h
index 2f6d2921bba..c2815cb8e55 100644
--- a/src/plugins/platforms/wayland/qwaylandwindow_p.h
+++ b/src/plugins/platforms/wayland/qwaylandwindow_p.h
@@ -238,6 +238,8 @@ public:
     virtual void reinit();
     void reset();
 
+    bool windowEvent(QEvent *event) override;
+
 public Q_SLOTS:
     void applyConfigure();