[Qt-interest] line edit focus problem

[Yuvaraj R]

Hi All

 I override the MainWindow event filte function..

By

bool Con_Main ::eventFilter(QObject *o,QEvent *e)

{

if(e->type == QEvent::KeyPress)

{

e->ignore}

}

. it is giving  conflicting errors.errors..

what mistake i have done here..

please suggest me


Thanks

Yuvaraj R





On Thu, Jul 16, 2009 at 5:41 PM, Tony Rietwyk <tony.rietwyk at rightsoft.com.au
> wrote:

>
>
>  -----Original Message-----
> Hi All
>
> I have set the line edit text  as default by "Dial number"
>
> When i pressing the keys in keyboard ,then  i am clearing the  lineedit
> text and inserting the pressed key value in line edit..
>
> if i set lineEdit in setfocusby default..
>
> that time any key events is not uptating ..
>
> if diable the forucs for line edit.. key event are updating..
>
> Sample code..
>
> ui.lineEdit.setText("Dial Number")
>
> void MainWindow::keyPressEvent(QKeyEvent *e)
> {
>    switch(e->key)
>      {
>         case Key_0 :
>                              if(ui.lineEdit.Text == "Dial Number")
>                               {
>                                ui.lineEdit.clear }
>           ui.lineEdit.insert("0");
>            break;
>       case Key_1 :                               if(ui.lineEdit.Text ==
> "Dial Number")
>                               {
>                                ui.lineEdit.clear }
>           ui.lineEdit.insert("1");
> }
> }
>
> Please help , what's wrong with me
>
>
> Thanks
>
> Yuvaraj R
>
>
> There is nothing wrong!
>
> You are listening to the events on the main window, and it only gets the
> key strokes when the edit doesn't have focus.
>
> I suggest to either:
>
> - use the same code, but subclass from QLineEdit,
> - or use
>
>     ui.lineEdit->installEventFilter( this );
>
> and override the eventFilter method in MainWindow.
>
> I normally take the second option.
>
> Tony.
>
>
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>
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