Re: Distinguish column header from normal button

On Wed, 2005-09-14 at 09:29 +0200, Richard Stellingwerff wrote:
> On 9/14/05, Federico Mena Quintero <federico ximian com> wrote:
> > On Tue, 2005-09-13 at 23:45 +0200, Richard Stellingwerff wrote:
> > 
> > > To distinguish Column headers from normal buttons, I check if its
> > > parent is a GtkTreeView or a GtkCList. A horrible way, but afaik the
> > > only way.
> > > In order to properly distinguish a column header from a normal button,
> > > I was thinking about setting a name on the column header button, using
> > > gtk_widget_set_name. Perhaps something like "Header:First",
> > > "Header:Middle", and "Header:Last".
> > 
> > The right way to do it is to add a private API to GtkButton, so that the
> > tree view can tell the button which hint to pass to the gtk_paint_*()
> > functions.  The theme engine will then use this hint to draw the proper
> > box type for the tree column's buttons.
> By "hint," do you actually mean the 'detail' parameter that gets
> passed on to gtk_paint_*()? Simply changing that would break a lot of
> themes that currently don't know how to handle the new 'detail'.

Themes that can't handle unkown details are already broken, just like
themes that can't handle widget being NULL...

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