From 6e43f08b51d0d7e53c328f6dc18b5046f7e1991a Mon Sep 17 00:00:00 2001
From: YeShanShan <yeshanshan@uniontech.com>
Date: Fri, 5 Jan 2024 18:15:53 +0800
Subject: [PATCH] fix: can't update palette when switching theme

  `updateChildrenPalettes` will emit QQuickPalette's changed signal
instead of QQuickItem's paletteChanged in qt6.

Issue: https://github.com/linuxdeepin/developer-center/issues/6724
---
 src/private/dquickcontrolpalette.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/private/dquickcontrolpalette.cpp b/src/private/dquickcontrolpalette.cpp
index 31c10908c..3ec5da3a1 100644
--- a/src/private/dquickcontrolpalette.cpp
+++ b/src/private/dquickcontrolpalette.cpp
@@ -11,6 +11,9 @@
 #include <QQuickItem>
 #include <QQuickWindow>
 #include <QDebug>
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+#include <private/qquickpalette_p.h>
+#endif
 
 #include <private/qqmlopenmetaobject_p.h>
 #include <private/qqmlglobal_p.h>
@@ -427,6 +430,10 @@ void DQuickControlColorSelector::setControl(QQuickItem *newControl)
     m_control = newControl;
 
     if (m_control) {
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+        auto palette = m_control->property("palette").value<QQuickPalette*>();
+        connect(palette, &QQuickPalette::changed, this, &DQuickControlColorSelector::updateControlTheme);
+#endif
         connect(m_control, SIGNAL(paletteChanged()), this, SLOT(updateControlTheme()));
         connect(m_control, SIGNAL(hoveredChanged()), this, SLOT(updateControlState()));
         if (m_control->metaObject()->indexOfSignal("pressedChanged()") != -1) {