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| #include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#define NB_ENTRY 2
gboolean key_press (GtkWidget *widget, GdkEventKey *event, gpointer user_data)
{
if (event->keyval == GDK_Return)
{
gtk_widget_grab_focus (user_data);
}
return TRUE;
}
int main (int argc, char **argv)
{
gint i;
GtkWidget *window = NULL;
GtkWidget *vbox = NULL;
GtkWidget *entry_group[NB_ENTRY] = { NULL };
gtk_init (&argc, &argv);
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
g_signal_connect (G_OBJECT(window), "destroy", gtk_main_quit, NULL);
vbox = gtk_vbox_new (TRUE, 0);
gtk_container_add (GTK_CONTAINER (window), vbox);
for (i = 0; i < NB_ENTRY; i++)
{
entry_group[i] = gtk_entry_new ();
gtk_box_pack_start (GTK_BOX (vbox), entry_group[i], TRUE, TRUE, 0);
}
for (i = 0; i < NB_ENTRY; i++)
{
g_signal_connect
(
G_OBJECT(entry_group[i]),
"key-release-event",
G_CALLBACK (key_press),
entry_group[(i+1)%NB_ENTRY]
);
}
gtk_widget_show_all (window);
gtk_main ();
return 0;
} |
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