#include #include /* Our callback. * The data passed to this function is printed to stdout */ void callback( GtkWidget *widget, gpointer data ) { g_print ("Hello again - %s was pressed\n", (char *) data); } /* This callback quits the program */ gint delete_event( GtkWidget *widget, GdkEvent *event, gpointer data ) { gtk_main_quit (); return FALSE; } int main( int argc, char *argv[] ) { GtkWidget *window; GtkWidget *button; GtkWidget *table; gtk_init (&argc, &argv); /* Create a new window */ window = gtk_window_new (GTK_WINDOW_TOPLEVEL); /* Set the window title */ gtk_window_set_title (GTK_WINDOW (window), "Table"); /* Set a handler for delete_event that immediately * exits GTK. */ g_signal_connect (G_OBJECT (window), "delete_event", G_CALLBACK (delete_event), NULL); /* Sets the border width of the window. */ gtk_container_set_border_width (GTK_CONTAINER (window), 20); /* Create a 2x2 table */ table = gtk_table_new (2, 2, TRUE); /* Put the table in the main window */ gtk_container_add (GTK_CONTAINER (window), table); /* Create first button */ button = gtk_button_new_with_label ("button 1"); /* When the button is clicked, we call the "callback" function * with a pointer to "button 1" as its argument */ g_signal_connect (G_OBJECT (button), "clicked", G_CALLBACK (callback), (gpointer) "button 1"); /* Insert button 1 into the upper left quadrant of the table */ gtk_table_attach_defaults (GTK_TABLE (table), button, 0, 1, 0, 1); gtk_widget_show (button); /* Create second button */ button = gtk_button_new_with_label ("button 2"); /* When the button is clicked, we call the "callback" function * with a pointer to "button 2" as its argument */ g_signal_connect (G_OBJECT (button), "clicked", G_CALLBACK (callback), (gpointer) "button 2"); /* Insert button 2 into the upper right quadrant of the table */ gtk_table_attach_defaults (GTK_TABLE (table), button, 1, 2, 0, 1); gtk_widget_show (button); /* Create "Quit" button */ button = gtk_button_new_with_label ("Quit"); /* When the button is clicked, we call the "delete_event" function * and the program exits */ g_signal_connect (G_OBJECT (button), "clicked", G_CALLBACK (delete_event), NULL); /* Insert the quit button into the both * lower quadrants of the table */ gtk_table_attach_defaults (GTK_TABLE (table), button, 0, 2, 1, 2); gtk_widget_show (button); gtk_widget_show (table); gtk_widget_show (window); gtk_main (); return 0; }