Just for testing I used a GtkButton and substituted signal enter-notify-event
for signal clicked (clicked works). A warning appears: "enter-notify-event is
invalid for instance" after g_signal_connect is executed. The callback handler
is not called.
Simplified:
[code]
GtkWidget * b = gtk_new_button ();
....
g_signal_connect (b, "enter-notify-event",
G_CALLBACK (enterleave), myuserdata) ;
...
[/code]
with callback handler
[code]
static gboolean enterleave ( GtkWidget * w,
GdkEventCrossing * event,
char * data )
{
printf ( "Now in enterleave callback\n" ) ;
....
return false;
}
[/code]
I also tried:
[code]
gtk_widget_set_events ( b, _ENTER_NOTIFY_MASK );
g_signal_connect (b , "enter-notify-event",
G_CALLBACK (enterleave), myuserdata) ;
[/code]
and also signal "enter" (deprecated), but result was same.
Cannot see what is wrong, so help would be most appreciated.
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