[Gimp-developer] PDB Procedures for External Progress Bars

[C. Jason. B.]

List,

I am tasked with creating (python using GTK) a plugin which will
utilize a great many other scripts and plugins within GIMP.  The file
which is being written runs in full screen mode most of the time so the
progress bars in The GIMP are obscured, which leads to the use of an
external progress bar.  But a snag has been encountered.  While trying
to register a temporary function from within python, it balks at the
number of parameters, and the parameter it is refusing is the callback
function.  A perusal of the source code lead me to gimpmodule.c in the
pygimp directory (line 642).

I am not a c programmer, so I am attempting to translate this via my
knowledge of Python.

It looks, at first glance, as if this function does not allow for a
callback function to be passed in.  If so, how would one register a
temporary function from python?

On an additional note, the PDB function gimp_progress_init indicates
that a '-1' is passed to instruct it to use an external window for a
progress bar, but it chokes on that value with an error (either as
a string or an int).

I have found the functions which (in Python) are accessed via
gimp.progress_install, so I know that these can be used instead.  What
I am trying to find out is if the PDB variants of this are implemented,
or am I using them in the wrong way?  If I am using them wrong, would
someone be kind enough to explain how they should be used?

Sincerely,
C. Jason B.
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Re: [Gimp-developer] PDB Procedures for External Progress Bars

[C. Jason. B.]

On Thu, 27 Aug 2015 11:02:09 -0300
Joao S. O. Bueno gwid...@gmail.com wrote:

 It should allow for the callback - and the behavior you describe is a
 bug in the gimp=python.
 
 As for any calls that require -1 as a parameter for nothing or
 cancel , they should take in
 a Python's None  when used from Python.
 
 On 27 August 2015 at 09:59, C. Jason. B. c.jaso...@gmail.com wrote:
  List,
 
  I am tasked with creating (python using GTK) a plugin which will
  utilize a great many other scripts and plugins within GIMP.  The
  file which is being written runs in full screen mode most of the
  time so the progress bars in The GIMP are obscured, which leads to
  the use of an external progress bar.  But a snag has been
  encountered.  While trying to register a temporary function from
  within python, it balks at the number of parameters, and the
  parameter it is refusing is the callback function.  A perusal of
  the source code lead me to gimpmodule.c in the pygimp directory
  (line 642).
 
  I am not a c programmer, so I am attempting to translate this via my
  knowledge of Python.
 
  It looks, at first glance, as if this function does not allow for a
  callback function to be passed in.  If so, how would one register a
  temporary function from python?
 
  On an additional note, the PDB function gimp_progress_init indicates
  that a '-1' is passed to instruct it to use an external window for a
  progress bar, but it chokes on that value with an error (either as
  a string or an int).
 
  I have found the functions which (in Python) are accessed via
  gimp.progress_install, so I know that these can be used instead.
  What I am trying to find out is if the PDB variants of this are
  implemented, or am I using them in the wrong way?  If I am using
  them wrong, would someone be kind enough to explain how they should
  be used?
 
  Sincerely,
  C. Jason B.
  ___
  gimp-developer-list mailing list
  List address:gimp-developer-list@gnome.org
  List membership:
  https://mail.gnome.org/mailman/listinfo/gimp-developer-list List
  archives:   https://mail.gnome.org/archives/gimp-developer-list

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