From 691df80a79bef96eeb4cbc5f74db40265e295b17 Mon Sep 17 00:00:00 2001
From: reionwong <reionwong@gmail.com>
Date: Tue, 29 Mar 2022 22:39:02 +0800
Subject: [PATCH] fix: Multi screen adaptation

---
 src/backgroundhelper.cpp | 10 ++++++++++
 src/backgroundhelper.h   |  1 +
 2 files changed, 11 insertions(+)

diff --git a/src/backgroundhelper.cpp b/src/backgroundhelper.cpp
index 1e7eb7b..2a2b5b9 100644
--- a/src/backgroundhelper.cpp
+++ b/src/backgroundhelper.cpp
@@ -31,6 +31,8 @@ BackgroundHelper::BackgroundHelper(QObject *parent)
     , m_statusBarHeight(25 / qApp->devicePixelRatio())
     , m_type(0)
 {
+    onPrimaryScreenChanged();
+    connect(qApp, &QApplication::primaryScreenChanged, this, &BackgroundHelper::onPrimaryScreenChanged);
 }
 
 void BackgroundHelper::setColor(QColor c)
@@ -80,6 +82,14 @@ void BackgroundHelper::setBackgound(const QString &fileName)
     QPixmapCache::clear();
 }
 
+void BackgroundHelper::onPrimaryScreenChanged()
+{
+    disconnect(qApp->primaryScreen());
+
+    connect(qApp->primaryScreen(), &QScreen::geometryChanged, this, &BackgroundHelper::onChanged);
+    connect(qApp->primaryScreen(), &QScreen::virtualGeometryChanged, this, &BackgroundHelper::onChanged);
+}
+
 void BackgroundHelper::onChanged()
 {
     switch (m_type) {
diff --git a/src/backgroundhelper.h b/src/backgroundhelper.h
index bb0344c..52e2967 100644
--- a/src/backgroundhelper.h
+++ b/src/backgroundhelper.h
@@ -34,6 +34,7 @@ public:
     Q_INVOKABLE void setBackgound(const QString &fileName);
 
 private slots:
+    void onPrimaryScreenChanged();
     void onChanged();
 
 signals: