Qt Code: 
  1. QDesktopWidget *desktop = QApplication::desktop();
  2.     screenWidth1 = desktop->width();
  3.     screenHeight1 = desktop->height();
  4.     x1 = screenWidth1-400;
  5.     y1 = screenHeight1-675;
  6. QTimer *cursor_Pos = new QTimer(this);
  7.     connect(cursor_Pos, SIGNAL(timeout()), this, SLOT(updatePos()));
  8.     cursor_Pos->setInterval(250);
  9.     cursor_Pos->start();
  10.  
  11. void RightSideBar::updatePos()
  12. {
  13.     dr = QApplication::desktop()->rect();
  14.     QPoint mp = QCursor::pos();
  15.     int cursor_check;
  16.     cursor_check=QApplication::desktop()->width()-this->width();
  17.    if( mp.x() > dr.right() - 10&&this->isVisible()&&cursorRight==true)
  18.     {
  19.         qDebug()<<"Cursor on Right Edge of desktop!!!";
  20.         cursorRight=false;
  21.         cursorLeft=true;
  22.         widgetRight=true;
  23.  
  24.         this->setGeometry(x1+52,y1,340,screenHeight1-200);
  25.  
  26.     }
  27.    if(this->width()+this->x()>dr.right() - 10&&this->isVisible()&&widgetRight==true)
  28.    {
  29.        qDebug()<<"Widget on Right Edge of desktop!!!";
  30.        widgetRight=false;
  31.        cursorRight=true;
  32.        this->setGeometry(this->width()+this->x()*2,this->y(),340,screenHeight1-200);
  33.  
  34.  
  35.    }
  36.     if(cursor_check>mp.x()&&this->isVisible()&&cursorLeft==true)
  37.    {
  38.        qDebug()<<"Cursor Position is less then Widget Position";
  39.        cursorLeft=false;
  40.        cursorRight=true;
  41.        this->setGeometry(this->width()+this->x()*2,this->y(),340,screenHeight1-200);
  42.  
  43.    }
  44.  
  45. }
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First and third conditions are working fine in our application.In this code second condition is not working properly.How can we rectify the issues?