[Kde-games-devel] Problem with signals and slots

[Zeng Huan]

Hi,

you did not create your m_gameTheme before you make connection to it, just
put setupGame() before m_gameTheme can fix your problem. line23:24 in
MainWindow.cpp

On Sun, Jul 12, 2009 at 10:17 AM, ahmmahfuz rubel <65mahfuz90 at gmail.com>wrote:

> I am having some problem when I tried to connect signals and slots of
> different classes. It was not a problem when I connected signals and slots
> within the same class(I even don't included the moc file!).
>
> This is what I have done to connect two different classes:
>
> I have a signal declared in MainWindow(inheritx kxmlGuiWindow) class named
> signalLoadTheme()
> and a slot in ThemeManager class(inherits QSvgRenderer) named
> slotLoadTheme().
>
> I created a instance of ThemeManager in MainWindow name m_gameTheme(
> ThemeManager* m_Theme)
> and connected them in MainWindow using:
>
> *connect(this, SIGNAL( signalLoadTheme()), m_gameTheme, SLOT(
> slotLoadTheme() ));*
>
>
> I used Q_OBJECT in both of the classes at first (tried also including moc
> files).
>
>
> But, this is not working, my program is crashing.
>
> *mahfuz at mahfuz-desktop:/usr/local/bin$ ./TestSignalSlot
> KCrash: Application 'TestSignalSlot' crashing...
> sock_file=/home/mahfuz/.kde/socket-mahfuz-desktop/kdeinit4__0
> Warning: connect() failed: : No such file or directory
> KCrash cannot reach kdeinit, launching directly.
>
> *
> The necessary parts of my program is attached here(Not full, it is big).
>
> Please Help. Also, let me know, when and why including the moc file is
> must.
>
> Thanks in advance.
> Mahfuz
>
>
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>
>


-- 
Cheers,
Zeng Huan
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