[pure-data:bugs] #1304 Bad window path name error on dynamic patching - Pd-dev

15 Aug 2017


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** [bugs:#1304] Bad window path name error on dynamic patching**
**Status:** open
**Group:** v0.47
**Labels:** bug dynamic patching 
**Created:** Tue Aug 15, 2017 01:23 AM UTC by Zack Lee
**Last Updated:** Tue Aug 15, 2017 01:23 AM UTC
**Owner:** nobody
Hi, I created a simple patch that creates & destroys objects by dynamic patching.
But when I send the message "vis 1, editmode 1, mouse 0 0 0 0, cut, vis 0" to a sub patch, suddenly, an error message pops up saying "Error: bad window path name ".x10031fa80.c"
And if I hit 'details' button, it shows the following log.
bad window path name ".x1020113e0.c"
bad window path name ".x1020113e0.c"
    while executing
"winfo toplevel $tkcanvas"
    (procedure "::pdtk_canvas::pdtk_canvas_getscroll" line 2)
    invoked from within
"::pdtk_canvas::pdtk_canvas_getscroll .x1020113e0.c"
    ("after" script)
I tested this with both Pd-0.47-1 and Pd-0.48-0 on Mac OS X 10.11.6.
This works fine on Pd-extended so maybe it works fine on older versions of Pd vanilla.
And here's a patch content for anyone who wants to test this error.
~~~
#N canvas 654 290 585 488 10;
#N canvas 0 23 450 300 sub 0;
#X restore 101 395 pd sub;
#X obj 224 398 s pd-sub;
#X msg 318 332 undo;
#X obj 187 15 bng 15 250 50 0 empty empty empty 17 7 0 10 -262144 -1
-1;
#X obj 187 108 sel 0 1 2 3;
#X msg 375 333 clear;
#X msg 74 189 obj 0 0 osc~ 440 , obj 0 20 *~ 0.1 , connect 0 0 1
0 , obj 0 40 dac~ , connect 1 0 2 0 , connect 1 0 2 1;
#X msg 230 270 vis 1 , editmode 1 , mouse 0 0 0 0 , cut , vis 0
;
#X obj 187 43 f;
#X obj 220 44 + 1;
#X obj 187 65 % 4;
#X floatatom 187 87 5 0 0 0 - - -, f 5;
#X connect 2 0 1 0;
#X connect 3 0 8 0;
#X connect 4 0 6 0;
#X connect 4 1 7 0;
#X connect 4 2 2 0;
#X connect 4 3 5 0;
#X connect 5 0 1 0;
#X connect 6 0 1 0;
#X connect 7 0 1 0;
#X connect 8 0 9 0;
#X connect 8 0 10 0;
#X connect 9 0 8 1;
#X connect 10 0 11 0;
#X connect 11 0 4 0;
~~~
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