fix: fix the dock sometimes can not show for bug 23580

23580 【桌面专业版】【曙光】【Hygon C86 3185】【W330-H35】【uos 20 20200327 x86_64】屏幕多次锁屏打开后任务栏消失

frame/util/docksettings.cpp

@@ -424,6 +424,12 @@ void DockSettings::primaryScreenChanged()
     m_screenRawHeight = m_displayInter->screenRawHeight();
     m_screenRawWidth = m_displayInter->screenRawWidth();
 
+    //为了防止当后端发送错误值，然后发送正确值时，任务栏没有移动在相应的位置
+    //当ｑｔ没有获取到屏幕资源时候，move函数会失效。可以直接return
+    if (m_screenRawHeight == 0 || m_screenRawWidth == 0){
+        return;
+    }
+
     updateForbidPostions();
     emit dataChanged();
     calculateWindowConfig();

frame/window/mainwindow.cpp

@@ -613,6 +613,13 @@ void MainWindow::updatePosition()
 void MainWindow::updateGeometry()
 {
     // DockDisplayMode and DockPosition MUST be set before invoke setFixedSize method of MainPanel
+
+    //为了防止当后端发送错误值，然后发送正确值时，任务栏没有移动在相应的位置
+    //当ｑｔ没有获取到屏幕资源时候，move函数会失效。可以直接return
+    if(m_settings->primaryRect().width() ==0 || m_settings->primaryRect().height() == 0){
+        return;
+    }
+
     setStrutPartial();
 
     m_mainPanel->setDisplayMode(m_settings->displayMode());