[Gtk-sharp-list] [PATCH] TreeView support for GTK#

Kristian Rietveld kris@gtk.org
09 Aug 2002 22:28:50 +0200
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Hello,

I spent a few hours hacking on TreeView support in GTK# and this is the
result. The attached patch gets the core working. There are some more
things to figure out before the support is complete.

To apply the patch:
* untar the tarball (doh)
* put the files in the sample/ and gtk/ subdirectories in the correct
directories in the gtk-sharp source tree
* apply treeviewstuff.diff
* run the parser and generator and finally recompile the assemblies.
* if everything turned out well, you should be able to compile and run
the treeviewdemo in samples/

As mentioned above, there are some issues left. The generator does not
generate source code for properties which return an interface. As a
temporarily solution, I put the Model property of TreeView in
TreeView.custom. I think this can be fixed in the generator, but I'm not
sure.

The TreeView is (in?)famous for it's exotic vararg-using methods. These
need some special handling in the parse/generation process. Or we just
ditch those methods and create much nicer C#-style methods. A list of
known exotic vararg-using methods:
Gtk.ListStore.Set / Gtk.ListStore.SetValist
Gtk.TreeStore.Set / Gtk.TreeStore.SetValist
Gtk.TreeModel.Get / Gtk.TreeModel.GetValist
Gtk.TreeViewColumn.NewWithAttributes
Gtk.TreeViewColumn.SetAttributes
Gtk.TreeView.InsertColumnWithAttributes

TreeView's signal emitting methods were renamed to names like InsertRow,
ChangeRow, etc. This isn't really correct, because those methods do not
actually insert or change a row. They only emit the row_inserted and
row_changed signals. These methods are only used by GtkTreeModels
implemented outside of gtk+. Therefore I renamed those methods to
EmitRowInserted, EmitRowChanged, etc. The names RowInserted/RowChanged
aren't possible because of the defined events in Gtk.TreeModel.

My TreeView demo is an incredibly quick and dirty hack. At least it
shows how to use TreeStore/TreeView and it's a bit cooler than just
having integers and "foo" or "lalala" (:. Duncan mentioned on IRC that
it would be cool to write an ildasm clone. I'll try to look into that as
a fun side project. Maybe somebody wants to volunteer to draw icons? The
stock icons in gtk won't do I think.

That's all for now. Please try it out and send some feedback.


thanks,


	Kris

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