connecting entry to button

[Yucehan Kutlu <yucehan gmail com>]

Hi

when press okay the title on the entry will be write on console but i 
cannot connect enter function to okay button program compile normaly but 
hiting okay it gives this error

(iler:5219): GLib-GObject-WARNING **: invalid cast from `GParamBoolean' 
to `GtkEntry'

(iler:5219): Gtk-CRITICAL **: file gtkentry.c: line 3797 
(gtk_entry_get_text): assertion `GTK_IS_ENTRY (entry)' failed
(null)


#include<gtk/gtk.h>

gint eventDelete(GtkWidget *widget,GdkEvent *event,gpointer data)
{
 gtk_main_quit();
 return 0;
}

static void enter(GtkWidget *widget,GdkEvent *event,GtkEntry *edit)
{
 const gchar *input;
 input=gtk_entry_get_text(GTK_ENTRY(edit));
 g_print("%s\n",input);
}

gint main(int argc,gchar *argv[])
{
 GtkWidget *window;
 GtkWidget *edit;
 GtkWidget *label;
 GtkWidget *label2;
 GtkWidget *table;
 GtkWidget *button1;
 GtkWidget *button2;

 gtk_init(&argc,&argv);

 button1=gtk_button_new_with_label("Cancel");
 button2=gtk_button_new_with_label("Okay");

 table=gtk_table_new(3,2,TRUE);

 label=gtk_label_new("Example ");
 label2=gtk_label_new("Name :");

 window=gtk_window_new(GTK_WINDOW_TOPLEVEL);

 edit=gtk_entry_new();

 gtk_misc_set_alignment(GTK_MISC(label2), 0.0f, 0.5f);

 gtk_container_set_border_width(GTK_CONTAINER(window),10);

 edit=gtk_entry_new_with_max_length(40);

 gtk_entry_set_text(GTK_ENTRY(edit),"Write here");

 gtk_table_attach_defaults(GTK_TABLE(table),label,0,1,0,1);
 gtk_table_attach_defaults(GTK_TABLE(table),edit,1,2,1,2);
 gtk_table_attach_defaults(GTK_TABLE(table),label2,0,1,1,2);
 gtk_table_attach_defaults(GTK_TABLE(table),button1,0,1,2,3);
 gtk_table_attach_defaults(GTK_TABLE(table),button2,1,2,2,3);

 gtk_container_add(GTK_CONTAINER(window),table);

 
gtk_signal_connect(GTK_OBJECT(window),"delete_event",GTK_SIGNAL_FUNC(eventDelete),NULL);

 
gtk_signal_connect(GTK_OBJECT(button2),"clicked",GTK_SIGNAL_FUNC(enter),(gpointer)edit);

 gtk_widget_show_all(window);

 gtk_main();
 return 0;

}