Re: newbie question

[christophe barbé <christophe barbe lineo fr>]

Thanks a lot.
It works perfect.

Christophe

Le jeu, 30 aoû 2001 12:38:04, Thomas Mailund a écrit :
> On Thu, 2001-08-30 at 20:45, christophe barbé wrote:
> > I would like to attach a function to a click on a gtk pixmap or a gtk
> vbox.
> > I've tried various code and finally my conclusion is that it's
> impossible.
> > This seem's to be because these widgets don't own a (X) window. In my
> > (limited) understanding these are drawn directly on there parent
> window.
> 
> to get events without an X window you use GtkEventBox.  I've attached an
> example.  (In the example I use gdkpixbuf, 'cause I had some code lying
> around, but you can use whatever you need).
> 
> 	/mailund
> 
> -- 
> If an animal is caught in a trap it will chew its leg off to
> escape. If a human is caught in a trap it will wait and kill the
> trapper and eliminate a threat to its kind.
>                                              -- Frank Herbert
> 
> 
> 
> #include <gtk/gtk.h>
> #include <gdk-pixbuf/gdk-pixbuf.h>
> 
> void
> clicked (void)
> {
>   g_print ("clicked\n");
> }
> 
> int
> main (int argc, char *argv[])
> {
>   GtkWidget *win;
> 
>   GdkPixbuf *img;
>   GdkPixmap *pixmap;
>   GdkBitmap *mask;
>   GtkWidget *image;
> 
>   GtkWidget *event_box;
> 
>   gtk_init (&argc, &argv);
> 
>   win = gtk_window_new (GTK_WINDOW_TOPLEVEL);
> 
>   img = gdk_pixbuf_new_from_file ("./pr0n.jpg");
>   gdk_pixbuf_render_pixmap_and_mask (img, &pixmap, &mask, 0);
>   image = gtk_pixmap_new (pixmap, mask);
> 
>   event_box = gtk_event_box_new ();
> 
>   gtk_container_add (GTK_CONTAINER (win), event_box);
>   gtk_container_add (GTK_CONTAINER (event_box), image);
> 
>   gtk_signal_connect(GTK_OBJECT(event_box), "button_press_event",
> 		     GTK_SIGNAL_FUNC (clicked), NULL);
>   gtk_widget_add_events(event_box, GDK_BUTTON_PRESS_MASK);
> 
>   gtk_widget_show_all (win);
> 
> 
>   gtk_main ();
> 
>   return 0;
> }
> 
-- 
Christophe Barbé
Software Engineer - christophe.barbe@lineo.fr
Lineo France - Lineo High Availability Group
42-46, rue Médéric - 92110 Clichy - France
phone (33).1.41.40.02.12 - fax (33).1.41.40.02.01
http://www.lineo.com