From: Stephan Witt <switt@lyx.org>
Date: Wed, 5 Jan 2022 07:26:18 +0000 (+0100)
Subject: #12451 Adjust color cache on change of dark/light mode
X-Git-Url: https://git.lyx.org/gitweb/?a=commitdiff_plain;h=d9b9307d14ea5cdf6e6e17d2ccba15048407a3cb;p=features.git

#12451 Adjust color cache on change of dark/light mode
---

diff --git a/src/frontends/qt/GuiApplication.cpp b/src/frontends/qt/GuiApplication.cpp
index 5cd8f290d4..b44f2c56b2 100644
--- a/src/frontends/qt/GuiApplication.cpp
+++ b/src/frontends/qt/GuiApplication.cpp
@@ -2322,6 +2322,12 @@ void GuiApplication::onLocaleChanged()
 }
 
 
+void GuiApplication::onPaletteChanged()
+{
+	colorCache().setPalette(palette());
+}
+
+
 void GuiApplication::handleKeyFunc(FuncCode action)
 {
 	char_type c = 0;
@@ -2977,6 +2983,11 @@ bool GuiApplication::event(QEvent * e)
 		e->accept();
 		return true;
 #endif
+	case QEvent::ApplicationPaletteChange: {
+		// runtime switch from/to dark mode
+		onPaletteChanged();
+		return QApplication::event(e);
+	}
 	default:
 		return QApplication::event(e);
 	}
diff --git a/src/frontends/qt/GuiApplication.h b/src/frontends/qt/GuiApplication.h
index f0c3e1ea75..e40815e8be 100644
--- a/src/frontends/qt/GuiApplication.h
+++ b/src/frontends/qt/GuiApplication.h
@@ -230,6 +230,8 @@ private Q_SLOTS:
 	///
 	void onLocaleChanged();
 	///
+	void onPaletteChanged();
+	///
 	void slotProcessFuncRequestQueue() { processFuncRequestQueue(); }
 	///
 #if (QT_VERSION >= 0x050100)