Refactor screen size handling in mainwindow.cpp

Author: KangLin

App/Client/mainwindow.cpp

@@ -95,17 +95,17 @@ MainWindow::MainWindow(QWidget *parent)
     setWindowIcon(QIcon(":/images/app"));
 #endif
 
-    int widthScreen = 0;
+    QSize ScreenSize;
     if(QApplication::primaryScreen()) {
-        widthScreen = QApplication::primaryScreen()->availableGeometry().width();
+        ScreenSize = QApplication::primaryScreen()->availableSize();
         //TODO: 当支持多屏幕时，修改此处
-        //widthScreen = QApplication::primaryScreen()->availableVirtualGeometry().width();
+        //ScreenSize = QApplication::primaryScreen()->availableVirtualSize();
     }
-    if(widthScreen)
-        setMaximumWidth(widthScreen);
+    
+        setMaximumSize(ScreenSize);
 
-    m_StatusBarMessage.setSizePolicy(QSizePolicy::Policy::Expanding,
-                                  QSizePolicy::Policy::Fixed);
+    //m_StatusBarMessage.setSizePolicy(QSizePolicy::Policy::Expanding,
+    //                              QSizePolicy::Policy::Fixed);
     //m_StatusBarMessage.setWordWrap(true);
     this->statusBar()->addWidget(&m_StatusBarMessage);