[Sugar-devel] XML markup capability for a gtk.Button label (PyGTK)?

[Tomeu Vizoso]

On Thu, Aug 6, 2009 at 19:13, Art Hunkins<abhunkin at uncg.edu> wrote:
> Thanks for the code suggestion, Tomeu.
>
> The entire method (into which your suggestion was inserted, and which
> otherwise is from Victor's csndsugui) was this:
>
>   def cbbutton(self,box,callback,title=""):
>      """Creates a callbackbutton
>         box: parent box
>         callback: click callback
>         title: if given, the button name
>         returns the widget instance"""
>      self.cbbutts = self.cbbutts + 1
>      label = gtk.Label()
>      label.set_markup(title)
>      butt = gtk.Button()
>      butt.child = label
>      label.show()
>      box.pack_start(butt, False, False, 5)
>      self.cbbuttons.append([butt,label,0])
>      butt.connect("clicked", callback)
>      butt.show()
>      return butt
>
> Unfortunately, the above code fails with this Log (I probably confounded
> something in this larger setting):
>
> /usr/lib/python2.6/site-packages/sugar/util.py:25: DeprecationWarning: the
> sha module is deprecated; use the hashlib module instead
>
> import sha
>
> 1249577334.063648 WARNING root: No gtk.AccelGroup in the top level window.
>
> 1249577334.066473 WARNING root: No gtk.AccelGroup in the top level window.
>
> /usr/lib/python2.6/site-packages/sugar/activity/main.py:35: GtkWarning:
> gtk_widget_realize: assertion `GTK_WIDGET_ANCHORED (widget) ||
> GTK_IS_INVISIBLE (widget)' failed
>
> activity.show()
>
> **
>
> Gtk:ERROR:gtkwidget.c:7967:gtk_widget_real_map: assertion failed:
> (GTK_WIDGET_REALIZED (widget))
>
>
>
> I have tried positioning the two .show() lines at different points to no
> avail.
>
> Do you (or anyone else) have further ideas?

May this help?

http://lists-archives.org/gtk/08302-gtk_widget_anchored-assertion-failure.html

The toplevel widget in your case is the Activity class.

Please keep posting about these issues in the Sugar lists, but you may
also consider involving bigger communities like Python, CSound and
PyGtk.

Regards,

Tomeu

> Art Hunkins
>
> ----- Original Message ----- From: "Tomeu Vizoso" <tomeu at sugarlabs.org>
> To: "Art Hunkins" <abhunkin at uncg.edu>
> Cc: <michael.gogins at gmail.com>; <Victor.Lazzarini at nuim.ie>;
> <sugar-devel at lists.sugarlabs.org>
> Sent: Thursday, August 06, 2009 3:59 AM
> Subject: Re: [Sugar-devel] XML markup capability for a gtk.Button label
> (PyGTK)?
>
>
> On Thu, Aug 6, 2009 at 03:43, Art Hunkins<abhunkin at uncg.edu> wrote:
>>
>> Hello, Victor and Mike (et al.),
>>
>> In reference to Victor's csndsugui.py (PyGTK):
>>
>> With gtk.Label and gtk.Frame, I've been able to use the set_use_markup()
>> property to get larger fonts, bold, italics, etc - by including XML markup
>> in my text strings.
>>
>> However, this property does not exist for gtk.Button, and I've got
>> callback
>> buttons that need these features too.
>>
>> Here is the relevent portion of a callback button that works fine (but no
>> markup capability) - from csndsugui.py:
>>
>> def cbbutton(self,box,callback,title=""):
>> butt = gtk.Button(" %s " % title)
>>
>> I tried unsuccessfully to add markup capability to this title by modifying
>> the code thus:
>>
>> def cbbutton(self,box,callback,title=""):
>> label = gtk.Label(title)
>> label.set_use_markup(True)
>> butt = gtk.Button(" %s " % label)
>>
>> Can this be made to work? (Sorry my PyGTK chops are so rudimentary.)
>
> Can you try with this?
>
> label = gtk.Label()
> label.set_markup(title)
> butt = gtk.Button()
> butt.child = label
> label.show()
>
> Thanks,
>
> Tomeu
>
>> Art Hunkins
>>
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>> Sugar-devel at lists.sugarlabs.org
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>>
>
>