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Ethereal-dev: Re: [Ethereal-dev] Help with a scoping problem

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From: "thomas palmer" <tpalmer1@xxxxxxxxxxxxx>
Date: Fri, 10 Sep 2004 12:00:26 -0000

> Palmer Thomas J Civ HQ SSG/ENEP wrote:
> 
> > Hi List,
> >
> >
> > I am trying to implement a pick list for the capture filter 
> > (capture_dlg.c) and I've run into a problem.
> >
> What is a pick list?
GTK calls it a combo box

> 
> > 1) I have the following functions that exist in a new file within the 
> > gtk directory (both are linked into libui.lib):
> >
> > extern void  cfilter_combo_remove_from_list(gchar *s);
> > extern gboolean cfilter_combo_add_recent(gchar *s);
> >
> > 2) I add the capture filter to a GList within capture_prep_ok_cb() by 
> > calling  cfilter_combo_add_recent()
> > 3) If the filter syntax is incorrect, which is determined within 
> > capture.c, I want to call 
> > cfilter_combo_remove_from_list(cfile.cfilter)  to remove the incorrect 
> > entry from the list
> >
> > 4) When I call cfilter_combo_remove_from_list(cfile.cfilter) from 
> > capture.c, I get the following GTK assertions:
> >
> > (ethereal-capture:772): GLib-GObject-CRITICAL **: file gobject.c: line 
> > 1642 (g_o
> > bject_get_data): assertion `G_IS_OBJECT (object)' failed
> >
> > (ethereal-capture:772): GLib-GObject-CRITICAL **: file gobject.c: line 
> > 1642 (g_o
> > bject_get_data): assertion `G_IS_OBJECT (object)' failed
> >
> > (ethereal-capture:772): GLib-GObject-CRITICAL **: file gobject.c: line 
> > 1655 (g_o
> > bject_set_data): assertion `G_IS_OBJECT (object)' failed
> >
> > (ethereal-capture:772): GLib-GObject-CRITICAL **: file gobject.c: line 
> > 1642 (g_o
> > bject_get_data): assertion `G_IS_OBJECT (object)' failed
> >
> > When calling cfilter_combo_remove_from_list(cfile.cfilter) from 
> > capture_dlg.c, which gets linked into libui.lib, it works fine.
> >
> > The diff of the GTK directory and the new files are attached for 
> > reference. Any advice will be appreciated.
> >
> > <<picklist.diff>> <<cfilter_combo_utils.c>> <<cfilter_combo_utils.h>>
> >                                                 tjp
> >
> Sorry, no time right now and two patches and a bug still on the to do 
> list...
> 
> Regards, ULFL
> 
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