Re: Canvas and tooltips

[Lauris Kaplinski <lauris ariman ee>]

Unfortunately (or fortunately - as otherwise canvas would be 
bloat'o'bloats) canvas items are not GtkWidgets, although canvas itself
is.

Lauris

On Wed, 29 Mar 2000, Juan Toledo wrote:

> Is it possible to set tooltips to canvas items?
> Up until now I've been doing my own tooltips (which don't look really
> nice), when I realized that you could supposedly use GtkTooltips on any
> widget. But when I tried
> 
>  409    gtk_tooltips_set_tip (canvas_node->tooltips,
>  410                          GTK_WIDGET(canvas_node->node_item),
>  411                          str->str,
>  412                          NULL);
> 
> I got
> 
> Gtk-CRITICAL **: file gtkwidget.c: line 4864 (gtk_widget_ref): assertion
> 
> `GTK_IS_WIDGET (widget)' failed.
> 
> Gtk-WARNING **: gtk_signal_connect(): could not find signal "unmap" in
> the `GnomeCanvasEllipse' class ancestry
> 
> Gtk-WARNING **: gtk_signal_connect(): could not find signal "unrealize"
> in the `GnomeCanvasEllipse' class ancestry
> (gdb)
>