On Tue, 2008-06-17 at 19:59 +0100, Sam Liddicott wrote:
> I've grep'd all my vapi files and can't find any timer classes that
> provide callbacks, can anyone help?
> I've seen the example at: http://live.gnome.org/Vala/Tutorial
> but O'm just running Gtk.main, not making a loop, so I don't have
> anything to time.attach to.
Gtk.main uses a mainloop, so you can use something as follows:
Timeout.add (interval, callback);
> I've also modified the vala glade demo to make connect_signals more
> reasonable:
>
> if (!module.symbol ("glade_phone_ui_" + handler_name, out sym)
> && !module.symbol (handler_name, out sym)) {
>
> Of course "glade_phone_ui" is my namespace hierachy, but is there a
> magical preprocessor token to pull out the current namespace hierachy
> prefix to save me hard wiring it? That would be a reasonable change to
> the glade example.
No, that's not possible at the moment. It would be nice if we find a
convenient solution for this - I'd focus on GtkBuilder instead of Glade,
though.
> Finally, (cos I'm an old Delphi nut) I want to extend the
> connect_signals stuff to connect more than signals, but also widget
> names, so I'll be pulling back all widget names, and then looking for
> exported symbols in a similar manner; however I guess I should be doing
> some RTTI stuff to make sure the symbol I'm about to populate is of the
> right types. Any clues?? I'll do it typeless for now.
>
>
> I'm annoyed that this C syntax isn't supported:
> if (this.module = Module.open (null, ModuleFlags.BIND_LAZY)) {
That's by design, if expects a boolean condition and this.module is
certainly not a boolean.
> However this doesn't work either:
> if ((this.module = Module.open (null,
> ModuleFlags.BIND_LAZY))!=NULL) {
>
> I've not managed to find the equivalent for NULL checking yet. (This was
> to save re-opening module for every attached signal).
`NULL' in C is `null' in Vala
Jürg
--
Jürg Billeter <[EMAIL PROTECTED]>
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