[Qt-interest] signal emitted eveytime the dialog closes, in QT internally

[Andre Somers]

Hi,

First of all, the cancel button of a dialog (at least, of a QDialog) has
the same function as the X (close) button at the top. Then, QDialog has a
signal finished(), which seems to do exactly what you need: it is send on
any way the dialog is "finished".

André



On Tue, June 28, 2011 8:37 am, Sahana Bhaskar wrote:
> Thanks for your suggestion, but my question is this "if I close a dialog (
> could be due to various events, not a single event), then is there a
> single signal that can be sent on all of those..
>
> Let me explain it further:
>
> Say I have a file open dialog with 3 buttons
> 1)open
> 2)cancel
> 3) 'X' on the top
>
> Now my dialog on open opens the file on a different window and the open
> diaog closes, cancel : cancels the operation in turn closing the dialog,
> and 'X' of course would close it too..
>
> Now my question is this : irrespective of which event closes the dialog I
> want to send a signal saying the dialog was closed. I don't want to go to
> the event handlers of each of the buttons and do it.
>
> Thanks,
> Sahana
>
> -----Original Message-----
> From: qt-interest-bounces+sahana_bhaskar=infosys.com at qt.nokia.com
> [mailto:qt-interest-bounces+sahana_bhaskar=infosys.com at qt.nokia.com] On
> Behalf Of Malyushytsky, Alex
> Sent: Tuesday, June 28, 2011 4:32 AM
> To: qt-interest at qt.nokia.com
> Subject: Re: [Qt-interest] signal emitted eveytime the dialog closes, in
> QT internally
>
> I advise you to check concept of signals/slots again.
>
> Once you understand that one object (not class) emits signal and all
> objects (not classes) will have (all) connected to this signal slots
> called, you basically will get answer to your question.
>
> I am not sure I understand second question enough to answer it.
> Anyway, it is a good idea to have 1 question per thread if they are
> unrelated.
>
> Regards,
>    Alex
>
>
>
> -----Original Message-----
> From: qt-interest-bounces+alex=wai.com at qt.nokia.com
> [mailto:qt-interest-bounces+alex=wai.com at qt.nokia.com] On Behalf Of Sahana
> Bhaskar
> Sent: Monday, June 27, 2011 6:08 AM
> To: qt-interest at qt.nokia.com
> Subject: [Qt-interest] signal emitted eveytime the dialog closes, in QT
> internally
>
>
> Hi all ,
>
> I have a dialog that can close under 2 scenario's
>  1) I press some buttons on it say ok ,cancel..
> 2) press the 'x' button on the top of the dialog
>
> Now I want to signal some class that the dialog was opened and closed by
> itself. Is it possible?  I.e. I want the dialog to tell the other classes
> that it was closed(so opened of course!)  by itself basically send a
> signal internally.
>
> And also I have another question. When a URL is added/removed  to/from
> the sidebar  in a dialog can we capture this event?
>
> Thanks,
> Sahana Bhaskar
>
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