Hi,
last time i programmed in vala is quite long time but i think, you have to
invoke Gtk.init(ref args); as first line in your main-function. Because Gtk
has to run some initialisation first.
Greets
Günther
Quoting Walter Valenti (2016-01-14 15:23:36)
> Hi,
> i'm trying Vala/Gtk.
>
> I've written a simple code for a splash screen:
>
> using Gtk;
>
> public class Splash : Gtk.Window{
> /* Costruttore */
> public Splash() {
> new Gtk.Window();
> Grid maingrid = new Gtk.Grid();
> this.add(maingrid);
> maingrid.set_border_width(80);
> Label label = new Gtk.Label("Firefox !!!");
> maingrid.attach(label, 0, 0, 1, 1);
> }
> }
>
> public int main(string[] args){
> var win = new Splash();
> win.set_decorated(false);
> win.set_resizable(false);
> win.set_position(Gtk.WindowPosition.CENTER);
> win.show_all();
> Gtk.main();
> return 0;
> }
>
> Where I try to execute:
> (process:7087): Gtk-CRITICAL **: gtk_settings_get_for_screen: assertion
> 'GDK_IS_SCREEN (screen)' failed
>
> (process:7087): GLib-GObject-CRITICAL **: g_object_get_qdata: assertion
> 'G_IS_OBJECT (object)' failed
>
> Any idea?
>
> Thanks
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