Re: Catching key press events

[zentara <zentara1 sbcglobal net>]

On Wed, 19 Sep 2007 21:21:19 -0700
Arthur Barlow <arthurbarlow earthlink net> wrote:


>So, my question is simple.  What is the best way for the main form to  
>catch a key press event?  Any snippets of code would be appreciated.

I'm a Perl guy, so excuse any c sloppiness. 


/* cc -g `pkg-config --cflags --libs gtk+-2.0` -o keywatch keywatch.c */

#include <gtk/gtk.h>
#include <stdlib.h>
#include <gdk/gdkkeysyms.h>


gboolean on_key_press (GtkWidget * window,
			  GdkEventKey*	pKey,
			  gpointer userdata){
			  
   if (pKey->type == GDK_KEY_PRESS){
         
        g_print("%i\n", pKey->keyval);

          switch (pKey->keyval)
		{
			case GDK_Escape :
				gtk_main_quit ();
			break;
		}
	}

	return FALSE;
}


int
main (int argc,
      char *argv[])
{
        GtkWidget * window;

        /* Gtk2->init; */
        gtk_init (&argc, &argv);

        /* my $window = new Gtk2::Window; */
        window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

        g_signal_connect (window, "destroy",
                          G_CALLBACK (gtk_main_quit), NULL);

	g_signal_connect (window,
			 "key-press-event",
			  G_CALLBACK (on_key_press),
			  NULL);


        /* $window->show_all(); */
        gtk_widget_show_all (window);

        /* Gtk2->main; */
        gtk_main ();

        return 0;
}


zentara

-- 
I'm not really a human, but I play one on earth.
http://zentara.net/japh.html