Re: Require Qt5 for the upcoming 6.1 release?

[Daniel J Sebald]

On 11/1/19 4:01 PM, John W. Eaton wrote:
> I just wasted WAY more time than I would like to admit debugging a 
> signal/slot connection because of a stupid ONE-CHARACTER TYPO.  Instead of
>
>    connect (p, SIGNAL (settings_changed (const gui_settings *)),
>             this, SLOT (handle_settings (const gui_settings *)));
>
> I wrote
>
>    connect (p, SIGNAL (settings_changed (const gui_ettings *)),
>             this, SLOT (handle_settings (const gui_settings *)));
>
> It seems obvious now, but of course there was no warning and I simply 
> could not spot the error among all the other changes I had made.  Gah.

That is kind of annoying sometimes.  Launched from the command line Qt 
should dump a runtime warning displayed in the console when such a 
connection is attempted.  I've never used the QDebug window much, but 
the message probably shows up there as well.

Dan