Re: tab stops in different positions on different lines with GtkSourceView (or GtkTextView)

[Adam Tertial <adamtertial yahoo co uk>]

--- Stéphan Kochen <stephan kochen nl> wrote:
> Adam Tertial schreef:
> > --- Paolo Borelli <pborelli katamail com> wrote:
> >> On mar, 2007-01-09 at 22:37 +0000, Adam Tertial
> >> wrote:
> >>> Hi
> >>>
> >>> I want to do something a little unusual with
> >>> GtkSourceView (or failing that GtkTextView) -
> have
> >> tab
> >>> stops in different positions on different lines
> >>> ("paragraphs"). An example might be to have the
> >> first
> >>> line have tab stops at 4, 7, 13, 16 while the
> >> second
> >>> line has tab stops at 5, 10, 14, 17.
> >>>
> >>> Is this possible in any way? - I can't see
> >> anything
> >>> apart from gtk_source_view_set_tabs_width(), and
> >> that
> >>> only takes a pointer to the control and one
> guint.
> >>> gtk_text_view_set_tabs ()
> >> >From the API docs of GtkTextView:
> >>
> >> "void        gtk_text_view_set_tabs         
> >> (GtkTextView *text_view,
> >>                                             
> >> PangoTabArray *tabs);
> >>
> >> Sets the default tab stops for paragraphs in
> >> text_view. Tags in the
> >> buffer may override the default."
> >>
> >> So it seems to imply that it is possible to do
> what
> >> you want with
> >> tags... dunno the details though :)
> > 
> > Yeah, I saw that, but can this be applied to a
> > GtkSourceView control somehow?
> 
> I believe GtkSourceView is a subclass of
> GtkTextView. So it'd simply be:
> gtk_text_view_set_tabs (GTK_TEXT_VIEW
> (yoursourceview), yourtabs);

Perfect! :)

> However, this only sets the default tabs.

What do you mean by "default tabs" and why would that
be a problem?

> According to the documentation, you can create a
> tag, and set the "tabs"
> and "tabs-set" properties on it:
>
http://developer.gnome.org/doc/API/2.0/gtk/GtkTextTag.html#GtkTextTag--tabs
> 
> Then just apply it to a region in the buffer.

Ahh, good stuff - thanks for the info!



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