Re:press on hold does not work

 >I would like to use the stylus press on hold feature to emulate a 
right-button event.
 >I use the QPEApplication::setStylusOperation on the App, on the view, on the
 >widget... no success. Can someone give a hint how to do it right ?
 >Thank you
 >Eggert Ehmke

Hi Eggert,
I also tried the QPEApplication::setStylusOperation, but I could not get it to
work. I eventually used a timer to get it working, see the snippet of code
below. My example uses a listview, but it should work with most QT windows.

class CmyListView : public QListView
{
Q_OBJECT
public:
   CmyListView (QWidget *parent=0);
   ~CmyListView();
private:
   QTimer *m_dblClickTimer;
   QListViewItem *m_clickedItem;
   int m_clickedCol;
public slots:
   void slotLeftButtonClicked(QListViewItem *item,const QPoint &point,int col);
   void slotLeftButtonPressed(QListViewItem *item,const QPoint &point,int col);
   void slotDblClickTimedOut(void);
};

CmyListView::~CmyListView ()
{
    //I can never remember with QT, what I am supposed to delete
    //and what QT deletes. It would have been so much simpler
    //if they had of left all deletion to the application developer.

     if(m_dblClickTimer!=NULL)
       delete m_dblClickTimer;
}


CmyListView::CmyListView(QWidget *parent)
                    :QListView(parent)
{
   m_dblClickTimer=new QTimer(this);          //create the  timer
   m_clickedItem=NULL;                             //the listview item that 
is pressed and held
   m_clickedCol=-1;                                    //the selected 
column in the listview.
   connect(this,SIGNAL(pressed(QListViewItem *,const QPoint &,int)),
               this,SLOT(slotLeftButtonPressed(QListViewItem *,const QPoint 
&,int)));
   connect(this,SIGNAL(clicked(QListViewItem *,const QPoint &,int)),
                this,SLOT(slotLeftButtonClicked(QListViewItem *,const 
QPoint &,int)));
   connect(m_dblClickTimer,SIGNAL(timeout()),
                this,SLOT(slotDblClickTimedOut()));
}

void CmyListView::slotLeftButtonPressed(QListViewItem *item, const QPoint 
&, int col)
{
   m_clickedItem=item;
   m_clickedCol=col;
   m_dblClickTimer->start(750);  //750 mSeconds this timeout seems to work well
}


void  CmyListView::slotLeftButtonClicked(QListViewItem *,const QPoint &,int)
{
   m_clickedItem=NULL;
   m_clickedCol=-1;
   m_dblClickTimer->stop();
}

void CmyListView::slotDblClickTimedOut(void)
{
   m_dblClickTimer->stop();
//This is where you get after the press and hold.
//because I used a list view, m_clickedItem should now contain
//a pointer to the listviewitem that was pressed and held.
//m_clickedCol should contain the column number
}


I hope that helps,
Regards,
Clive



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  http://www.bundu.com
Custom hardware & software design and development.
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