[PD-dev] Text box keybinding silent failure

[Hans-Christoph Steiner]

Hm, this might point to what Ctrl-A isn't going to Home on Mac OS X.

Basically, this bind command replaces any binding:
       $tkcanvas bind $mytag <Control-a> "$tkcanvas icursor $mytag 0"
 
Adding a + to the beginning of the bind function makes it append to the
existing list of bindings
       $tkcanvas bind $mytag <Control-a> "+$tkcanvas icursor $mytag 0"

.hc

On Fri, 2011-09-30 at 09:07 -0700, Marvin Humphrey wrote:
> Greets,
> 
> The emacs keybindings don't seem to be engaging on OS X.  If I modify the
> following line in pdtk_text.tcl, I see the debug print output when I press
> <Control-a>, confirming that the binding fires -- but the cursor does not move.
> 
>      if {$::windowingsystem eq "aqua"} { # emacs bindings for Mac OS X
> -        $tkcanvas bind $mytag <Control-a> "$tkcanvas icursor $mytag 0"
> +        $tkcanvas bind $mytag <Control-a> "puts {Checkpoint 1 secured.}; $tkcanvas icursor $mytag 0"
>          $tkcanvas bind $mytag <Control-e> "$tkcanvas icursor $mytag end"
>      }
> 
> 
> I suspect this problem is related to why I'm having trouble getting a binding
> for <Return> to function correctly.
> 
> Any ideas on why either $tkcanvas or $mytag would be causing silent failures
> of these bound scripts?
> 
> Marvin Humphrey
> 
> 
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