Re: The correct way to gtk_draw?

[Havoc Pennington <hp redhat com>]

Boris_Shingarov OTI COM writes:
> I am trying to gtk_draw_check on a pixmap.  Like this:
>
>     GtkToggleButton *toggle;
>     GtkStyle *style;
>     GdkPixmap *pixmap; 
>
> toggle = gtk_toggle_button_new();
> style = GTK_WIDGET(toggle)->style;
> pixmap = gdk_pixmap_new (0, 12,12, 24);
> gtk_draw_check (style,
>                 pixmap,
>                 GTK_STATE_NORMAL,
>                 GTK_SHADOW_NONE,
>                 0,0,
>                 12,12);
>
> This dumps warnings about GC being NULL.  The weird thing is that it only 
> happens on some machines and with only some theme engines.
> I also tried using gtk_paint_box, to the same outcome.
> What a I doing wrong?

You probably want to read the "scribble" example in the GTK tutorial,
one of the later chapters, if you haven't.

Regarding the NULL GC specifically, I would guess the problem is that
your toggle button is not realized (to be realized it needs to be in a
toplevel window).

Havoc