#ifdef SPI_DEBUG
# include <stdio.h>
#endif
+#include <libspi/listener.h>
#include <libspi/keystrokelistener.h>
/* Our parent Gtk object type */
#define PARENT_TYPE BONOBO_TYPE_OBJECT
-/* A pointer to our parent object class */
-static GObjectClass *keystroke_listener_parent_class;
+enum {
+ KEY_EVENT,
+ LAST_SIGNAL
+};
+static guint signals [LAST_SIGNAL];
/*
- * Implemented GObject::finalize
+ * CORBA Accessibility::KeystrokeListener::keyEvent method implementation
*/
-static void
-keystroke_listener_object_finalize (GObject *object)
+static CORBA_boolean
+impl_key_event (PortableServer_Servant servant,
+ const Accessibility_KeyStroke *key,
+ CORBA_Environment *ev)
{
+ gboolean was_consumed = FALSE;
+ SpiKeystrokeListener *listener = SPI_KEYSTROKE_LISTENER (
+ bonobo_object_from_servant (servant));
-#ifdef SPI_DEBUG
- fprintf(stderr, "keystroke_listener_object_finalize called\n");
-#endif
- keystroke_listener_parent_class->finalize (object);
-}
+ g_signal_emit (G_OBJECT (listener), signals [KEY_EVENT], 0, key, &was_consumed);
-void spi_keystroke_listener_add_callback (SpiKeystrokeListener *listener,
- BooleanKeystrokeListenerCB callback)
-{
- listener->callbacks = g_list_append (listener->callbacks, callback);
-#ifdef SPI_DEBUG
- fprintf(stderr, "keystroke_listener_add_callback (%p) called\n",
- (gpointer) callback);
-#endif
+ return was_consumed;
}
-void keystroke_listener_remove_callback (SpiKeystrokeListener *listener,
- BooleanKeystrokeListenerCB callback)
+static gboolean
+boolean_handled_accumulator (GSignalInvocationHint *ihint,
+ GValue *return_accu,
+ const GValue *handler_return,
+ gpointer dummy)
{
- listener->callbacks = g_list_remove (listener->callbacks, callback);
+ gboolean continue_emission;
+ gboolean signal_handled;
+
+ signal_handled = g_value_get_boolean (handler_return);
+ g_value_set_boolean (return_accu, signal_handled);
+ continue_emission = !signal_handled;
+
+ return continue_emission;
}
-/*
- * CORBA Accessibility::KeystrokeListener::keyEvent method implementation
- */
-static CORBA_boolean
-impl_key_event (PortableServer_Servant servant,
- const Accessibility_KeyStroke *key,
- CORBA_Environment *ev)
+void
+marshal_BOOLEAN__POINTER (GClosure *closure,
+ GValue *return_value,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer invocation_hint,
+ gpointer marshal_data)
{
- SpiKeystrokeListener *listener = SPI_KEYSTROKE_LISTENER (bonobo_object_from_servant (servant));
- GList *callbacks = listener->callbacks;
- gboolean was_consumed = FALSE;
-#ifdef SPI_KEYEVENT_DEBUG
- if (ev->_major != CORBA_NO_EXCEPTION) {
- fprintf(stderr,
- ("Accessibility app error: exception during keystroke notification: %s\n"),
- CORBA_exception_id(ev));
- exit(-1);
- }
- else {
- fprintf(stderr, "%s%c",
- (key->modifiers & SPI_KEYMASK_ALT)?"Alt-":"",
- ((key->modifiers & SPI_KEYMASK_SHIFT)^(key->modifiers & SPI_KEYMASK_SHIFTLOCK))?
- (char) toupper((int) key->keyID) : (char) tolower((int) key->keyID));
- }
-#endif
- while (callbacks)
- {
- BooleanKeystrokeListenerCB cb = (BooleanKeystrokeListenerCB) callbacks->data;
- was_consumed = (*cb) (key) || was_consumed;
- callbacks = g_list_next (callbacks);
- }
- return was_consumed;
+ typedef gboolean (*GMarshalFunc_BOOLEAN__POINTER) (gpointer data1,
+ gpointer arg_1,
+ gpointer data2);
+ register GMarshalFunc_BOOLEAN__POINTER callback;
+ register GCClosure *cc = (GCClosure*) closure;
+ register gpointer data1, data2;
+ gboolean v_return;
+
+ g_return_if_fail (return_value != NULL);
+ g_return_if_fail (n_param_values == 2);
+
+ if (G_CCLOSURE_SWAP_DATA (closure))
+ {
+ data1 = closure->data;
+ data2 = g_value_peek_pointer (param_values + 0);
+ }
+ else
+ {
+ data1 = g_value_peek_pointer (param_values + 0);
+ data2 = closure->data;
+ }
+ callback = (GMarshalFunc_BOOLEAN__POINTER) (marshal_data ? marshal_data : cc->callback);
+
+ v_return = callback (data1,
+ g_value_get_pointer (param_values + 1),
+ data2);
+
+ g_value_set_boolean (return_value, v_return);
}
static void
spi_keystroke_listener_class_init (SpiKeystrokeListenerClass *klass)
{
- GObjectClass * object_class = (GObjectClass *) klass;
- POA_Accessibility_KeystrokeListener__epv *epv = &klass->epv;
- keystroke_listener_parent_class = g_type_class_peek_parent (klass);
-
- object_class->finalize = keystroke_listener_object_finalize;
-
- epv->keyEvent = impl_key_event;
+ POA_Accessibility_KeystrokeListener__epv *epv = &klass->epv;
+
+ signals [KEY_EVENT] = g_signal_new (
+ "key_event",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (SpiKeystrokeListenerClass, key_event),
+ boolean_handled_accumulator, NULL,
+ marshal_BOOLEAN__POINTER,
+ G_TYPE_BOOLEAN, 1, G_TYPE_POINTER);
+
+ epv->keyEvent = impl_key_event;
}
static void
spi_keystroke_listener_init (SpiKeystrokeListener *keystroke_listener)
{
- keystroke_listener->callbacks = NULL;
}
BONOBO_TYPE_FUNC_FULL (SpiKeystrokeListener,
SpiKeystrokeListener *
spi_keystroke_listener_new (void)
{
- SpiKeystrokeListener *retval =
- SPI_KEYSTROKE_LISTENER (g_object_new (spi_keystroke_listener_get_type (), NULL));
+ SpiKeystrokeListener *retval = g_object_new (
+ SPI_KEYSTROKE_LISTENER_TYPE, NULL);
return retval;
}