How to minimize frameless QWidget ?

[anupamgee]

Hi All,
I am using Qt4.5 .I am having a problem in minimizing frameless window while working on linux platform
I used the following code

#include "widget.h"
#include "ui_widget.h"
#include <QPushButton>
#include <QWidget>
Widget::Widget(QWidget *parent): QWidget(parent), ui(new Ui::WidgetClass)
{   
    ui->setupUi(this);
    setFixedSize(293, 711);
   setWindowFlags ( Qt::FramelessWindowHint ) ;
   QPushButton *b=new QPushButton("hello",this);
    b->setGeometry(20,20,120,30);
    connect(b,SIGNAL(clicked()),this,SLOT(showMinimized()));
}

#include "widget.h"
#include "ui_widget.h"
#include <QPushButton>
#include <QWidget>
Widget::Widget(QWidget *parent): QWidget(parent), ui(new Ui::WidgetClass)
{   
    ui->setupUi(this);
    setFixedSize(293, 711);
   setWindowFlags ( Qt::FramelessWindowHint ) ;
   QPushButton *b=new QPushButton("hello",this);
    b->setGeometry(20,20,120,30);
    connect(b,SIGNAL(clicked()),this,SLOT(showMinimized()));
}

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if i run the same code on Windows platform & MAC operating System it works....
What is the alternative to minimize the frameless window on click on button in linux ?
Reply soon
Thanx