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List:       kde-devel
Subject:    Re: Hiding a KMainWindow
From:       Michael Pyne <pynm0001 () comcast ! net>
Date:       2003-12-02 19:18:28
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On Tuesday 02 December 2003 05:42, Waldo Bastian wrote:
> On Tue December 02 2003 07:23, Michael Pyne wrote:
> > Hi all,
> >
> > Question: Does hiding a KMainWindow destroy (e.g. unmap) the window, or
> > just actually hide it?
>
> It depends whether the window is hidden (with hide()) or closed (with
> close()).
>
> If the window is closed it will also be deleted if the "WDestructiveClose"
> flag is set.
>
> By default KMainWindow has the WDestructiveClose flag set. See also the
> KMainWindow constructors and qt.html#WidgetFlags-enum in the Qt
> documentation.
>
> Cheers,
> Waldo

Well, according to the source (kdelibs/kdeui/ksystemtray.cpp), it looks like 
it's closed.

    if (parentWidget())
    {
        connect(quitAction, SIGNAL(activated()), parentWidget(), 
                    SLOT(close()));
        new KAction(i18n("Minimize"), KShortcut(),
                    this, SLOT( minimizeRestoreAction() ),
                    d->actionCollection, "minimizeRestore");

Setting the KMainWindow to not have the flag didn't really help matters, 
though.  Plus it wouldn't fix the case where the user clicks on the "X" 
button and then restores the application using the system tray.

I'll keep hacking on it, I suppose. *sigh*

 - Michael Pyne
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