updated the (quite outdated) examples to use canonical signal names as

2008-08-11  Sven Neumann  <sven@gimp.org>

	* examples/*: updated the (quite outdated) examples to use
	canonical signal names as well. Removed some unneeded casts and
	trailing whitespace while I was on it...


svn path=/trunk/; revision=21071

1 files changed, 20 insertions, 20 deletions

diff --git a/examples/helloworld/helloworld.c b/examples/helloworld/helloworld.c
index ffc19cb31b..8a9b0cb3b2 100644
--- a/examples/helloworld/helloworld.c
+++ b/examples/helloworld/helloworld.c
@@ -40,60 +40,60 @@ int main( int   argc,
     /* GtkWidget is the storage type for widgets */
     GtkWidget *window;
     GtkWidget *button;
-    
+
     /* This is called in all GTK applications. Arguments are parsed
      * from the command line and are returned to the application. */
     gtk_init (&argc, &argv);
-    
+
     /* create a new window */
     window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
-    
-    /* When the window is given the "delete_event" signal (this is given
+
+    /* When the window is given the "delete-event" signal (this is given
      * by the window manager, usually by the "close" option, or on the
      * titlebar), we ask it to call the delete_event () function
      * as defined above. The data passed to the callback
      * function is NULL and is ignored in the callback function. */
-    g_signal_connect (G_OBJECT (window), "delete_event",
+    g_signal_connect (window, "delete-event",
 		      G_CALLBACK (delete_event), NULL);
-    
-    /* Here we connect the "destroy" event to a signal handler.  
+
+    /* Here we connect the "destroy" event to a signal handler.
      * This event occurs when we call gtk_widget_destroy() on the window,
      * or if we return FALSE in the "delete_event" callback. */
-    g_signal_connect (G_OBJECT (window), "destroy",
+    g_signal_connect (window, "destroy",
 		      G_CALLBACK (destroy), NULL);
-    
+
     /* Sets the border width of the window. */
     gtk_container_set_border_width (GTK_CONTAINER (window), 10);
-    
+
     /* Creates a new button with the label "Hello World". */
     button = gtk_button_new_with_label ("Hello World");
-    
+
     /* When the button receives the "clicked" signal, it will call the
      * function hello() passing it NULL as its argument.  The hello()
      * function is defined above. */
-    g_signal_connect (G_OBJECT (button), "clicked",
+    g_signal_connect (button, "clicked",
 		      G_CALLBACK (hello), NULL);
-    
+
     /* This will cause the window to be destroyed by calling
      * gtk_widget_destroy(window) when "clicked".  Again, the destroy
      * signal could come from here, or the window manager. */
-    g_signal_connect_swapped (G_OBJECT (button), "clicked",
+    g_signal_connect_swapped (button, "clicked",
 			      G_CALLBACK (gtk_widget_destroy),
-                              G_OBJECT (window));
-    
+                              window);
+
     /* This packs the button into the window (a gtk container). */
     gtk_container_add (GTK_CONTAINER (window), button);
-    
+
     /* The final step is to display this newly created widget. */
     gtk_widget_show (button);
-    
+
     /* and the window */
     gtk_widget_show (window);
-    
+
     /* All GTK applications must have a gtk_main(). Control ends here
      * and waits for an event to occur (like a key press or
      * mouse event). */
     gtk_main ();
-    
+
     return 0;
 }