How to connect signal to signal in QWidget correctly

[Mint87]

Hi everyone!

I am having trouble with conneting two signals.
I have WindowsMenu and there is PlotBackgroundMenuinside.
BackgroundColorChanged(CPlotBackgroundMenu::Backgr oundColor color) signal is emited in PlotColorMenu (Color is enum) when one of the menu's actions is trigged.

I did following in WindowMenu:

void CWindowsMenu::makeConnections()
{
	connect(PlotBackgroundMenu,SIGNAL(BackgroundColorChanged(CPlotBackgroundMenu::BackgroundColor)),
    this,SIGNAL(BackColorChanged(CPlotBackgroundMenu::BackgroundColor)));
}

void CWindowsMenu::makeConnections()
{
	connect(PlotBackgroundMenu,SIGNAL(BackgroundColorChanged(CPlotBackgroundMenu::BackgroundColor)),
    this,SIGNAL(BackColorChanged(CPlotBackgroundMenu::BackgroundColor)));
}

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and I called makeConnections() in WindowMenu constractor.


Then I used the signal BackColorChanged in MainWindow to connect it with the slot to actually change the color.

It didn't work.

What am I missing?

P.S. I read QWidget references and searched for examples, still don't get it

Thank you!

[Santosh Reddy]

Check for any error in Application output

[d_stranz]

It didn't work.

What didn't work?

The MainWindow slot didn't get invoked?

The background color didn't change?

The WindowMenu signal wasn't emitted in the first place?

You've shown us 5 lines of code out of what is obviously a multi-step signal / slot handling sequence. Why do you assume that something is wrong with the connect statement? The error could be anywhere in the code you aren't showing us.

Post a minimal example that demonstrates the problem, and we might be able to help you find what is wrong.