From 92d8c740d414f8a55d2676379383e1dda6fc8ca3 Mon Sep 17 00:00:00 2001
From: KamFretoZ <14798312+kamfretoz@users.noreply.github.com>
Date: Sun, 18 Aug 2024 23:09:16 +0700
Subject: [PATCH]  Qt: Fix a couple of theme switching glitches

Backport from: https://github.com/stenzek/duckstation/commit/6f9e8efee54e25a57cc17d41bc9ccc10aff6a001
---
 pcsx2-qt/Themes.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pcsx2-qt/Themes.cpp b/pcsx2-qt/Themes.cpp
index bc7e788636..69448b90b8 100644
--- a/pcsx2-qt/Themes.cpp
+++ b/pcsx2-qt/Themes.cpp
@@ -20,6 +20,7 @@ namespace QtHost
 } // namespace QtHost
 
 static QString s_unthemed_style_name;
+static QPalette s_unthemed_palette;
 static bool s_unthemed_style_name_set;
 
 const char* QtHost::GetDefaultThemeName()
@@ -37,6 +38,7 @@ void QtHost::UpdateApplicationTheme()
 	{
 		s_unthemed_style_name_set = true;
 		s_unthemed_style_name = QApplication::style()->objectName();
+		s_unthemed_palette = QApplication::palette();
 	}
 
 	SetStyleFromSettings();
@@ -49,7 +51,7 @@ void QtHost::SetStyleFromSettings()
 
 	// setPalette() shouldn't be necessary, as the documentation claims that setStyle() resets the palette, but it
 	// is here, to work around a bug in 6.4.x and 6.5.x where the palette doesn't restore after changing themes.
-	qApp->setPalette(QPalette());
+	qApp->setPalette(QPalette(s_unthemed_palette));
 
 	if (theme == "fusion")
 	{