[Qt-interest] Signal Slot not working

[Mandeep Sandhu]

On Mon, Jun 21, 2010 at 2:39 AM, Matthias Pospiech
<matthias.pospiech at gmx.de> wrote:
> I have a dll emitting error messages:
>
> void QMicosPolluxController::Error(const char * errorMessage)
> {
>    emit errorOccurred(toQString(errorMessage));
> }
>
>
> which is handled in the gui (using the dll)
> void DialogMicosController::connectSignalSlots()
> {
>    connect(controller, SIGNAL(errorOccurred(QString)), this,
> SLOT(OnControllerError()));

This line seems to be the problem. You don't have any slot
OnControllerError() ! :)

You'll need to add the QString param here.

HTH,
-mandeep


> }
> void DialogMicosController::OnControllerError(QString error)
> {
>    ui->labelError->setText(error);
> }
>
> However the function OnControllerError is never called.
> If I copy all classes to the gui project (thus no dll), the effect is
> exactly the same.
> The SLOT is never called.
>
> Matthias
>
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