[PD] error on canvas while writing in object : tcl error: wrong # args: should be "pdtk_canvas_sendkey name state key iso shift"
danomatika at gmail.com
Mon Jan 13 01:19:25 CET 2014
It's not possible to overload the function? aka 1 that takes 5 args and another that takes 7? From what I can tell, the usual style within the pd core has been to add new args to the end so that backwards compatibility isn't sacrificed. Then again, I don't know the details in this case ...
With libpd, so far, we've avoid trying to make any large, incompatible changes to the core. Mainly, at least IMO, because we do not want to end up diverging to the point to where we'll never be able to get said changes upstream. At this point, I'd love to sit down with a bunch of you and work out a proposed roadmap to separating gui & pd core so that libpd could become the standard core between flavors. I haven't delved into the core enough to know if that is a foolish idea, but it really seems like a great idea to standardize some of the functionality ...
On Jan 12, 2014, at 5:55 PM, pd-list-request at iem.at wrote:
> From: Jonathan Wilkes <jancsika at yahoo.com>
> Subject: Re: [PD] error on canvas while writing in object : tcl error: wrong # args: should be "pdtk_canvas_sendkey name state key iso shift"
> Date: January 12, 2014 at 5:54:49 PM EST
> To: pd-list at iem.at
> On 01/12/2014 10:55 AM, Ivica Ico Bukvic wrote:
>> This is because pd-l2ork has recently introduced a way of filtering autorepeat keys so that [key], [keyup], and [keyname] objects only report real key presses (as they should) while other forms of key input (e.g. writing into an object box) still obey the autorepeat. This had to be done in a way that breaks pdtk_canvas_send_key by adding an additional variable and hence library like gridflow that hasn't kept up with pd-l2ork's updates is no longer functioning as it should. Adapting this to pd-l2ork should not take much of an effort--it is just a question of time and who will do it.
> But notice the error tells the user that the proc expects five args, and not seven args like your revision of pdtk_canvas_sendkey. This is because matju told Gridflow to steal the pdtk_canvas_sendkey proc and renamed it to pdtk_canvas_sendqui (which is pretty funny in itself), and then it sends tcl a brand new pdtk_canvas_sendkey proc with 5 args and code that presumably has to do with unicode support. I say that because you can find it in the Gridflow source file named "unicorn.cxx" (which is also funny in itself).
> So if you can figure out what it's doing, you can try to merging it into Pd-l2ork or at least make it compatible with it. But there are probably several other places where matju drilled into Pd's walls from the outside, and they probably conflict with Pd-l2ork's renovations. (Probably the widgetbehavior struct and comment struct conflict.)
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