Re: Touch panel keyboard in GNUstep app

[Fred Kiefer]

Hi Andreas,

in NSButton you find this code:


- (BOOL) acceptsFirstMouse: (NSEvent *)theEvent
{
  return YES;
}


You will need to write a subclass to handle this different.

Cheers,
Fred

> Am 25.03.2020 um 18:56 schrieb Andreas Höschler <ahoesch@smartsoft.de>:
> 
> Hi all,
> 
> I am just trying to add a touch panel keyboard feature to some GNUstep app, 
> meaning that I have added a bunch of NSButtons with titles "A", "B", "C",... 
> to the GUI of my app. My plan is to generate and send some key-event whenever 
> a user clicks (actually presses with his finger on a touch screen) on one of 
> the on-screen keyboard buttons. 
> 
> However, for this to work I need to make sure that the keyboard buttons never 
> get first responder but that e.g. an NSTextField in the GUI (first responder 
> before clicking on a key button) stays first responder and receives the 
> programmatically generated key-event. 
> 
> I have run
> 
>       [button setRefusesFirstResponder:YES];
> 
> on the keyboard buttons but this did not do the trick. The NSTextField that 
> is first responder before clicking on one of the key board buttons resigns 
> first responder before the action of the button is executed. :-(
> 
> Any idea how to correctly set this up?
> 
> Thanks a lot in advance!!
> 
> Best, 
> 
>   Andreas
> 
>