Re: Terminal input in the GUI vs. Qt keyboard shortcuts

[Daniel J Sebald]

On 05/15/2013 05:49 PM, Daniel J Sebald wrote:
> On 05/15/2013 05:39 PM, John W. Eaton wrote:
> > I've been unable to find a way to avoid conflicts between Qt keyboard
> > shortcuts and the terminal input that readline is handling. I'm
> > wondering if this is a fundamental problem that can't be solved if we
> > are hooking readline directly to stdin for the process.
> >
> > Can anyone shed some light on this? I'd really like to know whether the
> > way we are embedding the terminal widget has a chance of working, or
> > whether there is a fatal flaw here that we aren't going to be able to
> > work around no matter what we do.
> >
> > Comments?
>
> I haven't looked at this. Have you tried to get at the level where the
> shortcuts are handled? It seems to me that maybe a better way is instead
> of trying to use linux OS level communication is to override the
> keyboard handling element of Qt with a function that first checks if the
> terminal window is the window in focus and then pass that onto readline
> somehow. Or the control-keys could generally be passed onto the
> terminal, depending upon on how one wants to treat it.

And what about 
libgui/qterminal/libqterminal/unix/KeyboardTranslator.cpp.  What is 
KeyboardTranslator.cpp meant for?  I'm guessing it isn't used in this 
case, i.e., no translations present...although it looks as though 
someone could define such in a file called "kb-layouts/" + name + ".keytab".

Having looked at the code a bit, it does seem like there isn't much that 
can be done beyond what I suggested last time.  You might be able to 
leave the readline/stdin of QUnixTerminalImpl::connectToPty() as is. 
The only thing needed is a way to stop the messages/events going to Qt 
app and redirect them to the terminal window.

This discussion:

http://qt-project.org/forums/viewthread/2223

seems to do just that, but it looks like it only applies to the window. 
 That is, one could put similar code inside terminal-dock-widget.h but 
then Cntrl-C (for example) would only be redirected when it is typed 
inside the terminal window.  I don't have any problem with that for a start.

Dan