#include "accessible.h"
#include "application.h"
+#include <bonobo-activation/bonobo-activation-register.h>
+
#undef SPI_BRIDGE_DEBUG
static CORBA_Environment ev;
static Accessibility_Registry registry;
static SpiApplication *this_app = NULL;
-static gboolean bridge_idle_init (gpointer user_data);
-static void bridge_focus_tracker (AtkObject *object);
-static void bridge_exit_func (void);
-static void register_atk_event_listeners (void);
-static gboolean bridge_property_event_listener (GSignalInvocationHint *signal_hint,
- guint n_param_values,
- const GValue *param_values,
- gpointer data);
-static gboolean bridge_state_event_listener (GSignalInvocationHint *signal_hint,
- guint n_param_values,
- const GValue *param_values,
- gpointer data);
-static gboolean bridge_signal_listener (GSignalInvocationHint *signal_hint,
- guint n_param_values,
- const GValue *param_values,
- gpointer data);
+static void spi_atk_bridge_exit_func (void);
+static void spi_atk_register_event_listeners (void);
+static void spi_atk_bridge_focus_tracker (AtkObject *object);
+static gboolean spi_atk_bridge_property_event_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data);
+static gboolean
+spi_atk_bridge_window_event_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data);
+static gboolean
+spi_atk_bridge_state_event_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data);
+static gboolean spi_atk_bridge_signal_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data);
+static gint spi_atk_bridge_key_listener (AtkKeyEventStruct *event,
+ gpointer data);
+
+/* For automatic libgnome init */
+extern void gnome_accessibility_module_init (void);
+extern void gnome_accessibility_module_shutdown (void);
+
+static int atk_bridge_initialized = FALSE;
+static guint atk_bridge_focus_tracker_id = 0;
+static guint atk_bridge_key_event_listener_id = 0;
+static GArray *listener_ids = NULL;
-static gint bridge_key_listener (AtkKeyEventStruct *event,
- gpointer data);
+/*
+ * These exported symbols are hooked by gnome-program
+ * to provide automatic module initialization and shutdown.
+ */
+extern void gnome_accessibility_module_init (void);
+extern void gnome_accessibility_module_shutdown (void);
-int
-gtk_module_init (gint *argc, gchar **argv[])
+static int
+atk_bridge_init (gint *argc, gchar **argv[])
{
CORBA_Environment ev;
- if (!bonobo_init (argc, *argv))
+ if (atk_bridge_initialized)
+ {
+ return 0;
+ }
+ atk_bridge_initialized = TRUE;
+
+ if (!bonobo_init (argc, argv ? *argv : NULL))
{
g_error ("Could not initialize Bonobo");
}
+ /*
+ * We only want to enable the bridge for top level
+ * applications, we detect bonobo components by seeing
+ * if they were activated with the intention of extracting
+ * an impl. by IID - very solid.
+ */
+ if (bonobo_activation_iid_get ())
+ return 0;
+
CORBA_exception_init(&ev);
registry = bonobo_activation_activate_from_id (
- "OAFIID:Accessibility_Registry:proto0.1", 0, NULL, &ev);
+ "OAFIID:Accessibility_Registry:1.0", 0, NULL, &ev);
if (ev._major != CORBA_NO_EXCEPTION)
{
CORBA_exception_free (&ev);
}
- if (CORBA_Object_is_nil (registry, &ev))
+ if (registry == CORBA_OBJECT_NIL)
{
g_error ("Could not locate registry");
}
BONOBO_OBJREF (this_app),
&ev);
- g_atexit (bridge_exit_func);
+ g_atexit (spi_atk_bridge_exit_func);
- g_idle_add (bridge_idle_init, NULL);
+ spi_atk_register_event_listeners ();
+
+ fprintf (stderr, "Application registered & listening\n");
return 0;
}
-static gboolean
-bridge_idle_init (gpointer user_data)
+int
+gtk_module_init (gint *argc, gchar **argv[])
{
- register_atk_event_listeners ();
+ return atk_bridge_init (argc, argv);
+}
- fprintf (stderr, "Application registered & listening\n");
+static void
+add_signal_listener (const char *signal_name)
+{
+ guint id;
- return FALSE;
+ id = atk_add_global_event_listener (
+ spi_atk_bridge_signal_listener, signal_name);
+
+ g_array_append_val (listener_ids, id);
}
static void
-register_atk_event_listeners (void)
+spi_atk_register_event_listeners (void)
{
/*
* kludge to make sure the Atk interface types are registered, otherwise
* the AtkText signal handlers below won't get registered
*/
+ guint id;
GObject *ao = g_object_new (ATK_TYPE_OBJECT, NULL);
AtkObject *bo = atk_no_op_object_new (ao);
/* Register for focus event notifications, and register app with central registry */
- atk_add_focus_tracker (bridge_focus_tracker);
- atk_add_global_event_listener (bridge_property_event_listener, "Gtk:AtkObject:property-change");
- atk_add_global_event_listener (bridge_signal_listener, "Gtk:AtkObject:children-changed");
- atk_add_global_event_listener (bridge_signal_listener, "Gtk:AtkObject:visible-data-changed");
- atk_add_global_event_listener (bridge_signal_listener, "Gtk:AtkSelection:selection-changed");
- atk_add_global_event_listener (bridge_signal_listener, "Gtk:AtkText:text-selection-changed");
- atk_add_global_event_listener (bridge_signal_listener, "Gtk:AtkText:text-changed");
- atk_add_global_event_listener (bridge_signal_listener, "Gtk:AtkText:text-caret-moved");
- atk_add_global_event_listener (bridge_signal_listener, "Gtk:AtkTable:row-inserted");
- atk_add_global_event_listener (bridge_signal_listener, "Gtk:AtkTable:row-reordered");
- atk_add_global_event_listener (bridge_signal_listener, "Gtk:AtkTable:row-deleted");
- atk_add_global_event_listener (bridge_signal_listener, "Gtk:AtkTable:column-inserted");
- atk_add_global_event_listener (bridge_signal_listener, "Gtk:AtkTable:column-reordered");
- atk_add_global_event_listener (bridge_signal_listener, "Gtk:AtkTable:column-deleted");
- atk_add_global_event_listener (bridge_signal_listener, "Gtk:AtkTable:model-changed");
- atk_add_key_event_listener (bridge_key_listener, NULL);
-
+ listener_ids = g_array_sized_new (FALSE, TRUE, sizeof (guint), 16);
+
+ atk_bridge_focus_tracker_id = atk_add_focus_tracker (spi_atk_bridge_focus_tracker);
+
+ id = atk_add_global_event_listener (spi_atk_bridge_property_event_listener,
+ "Gtk:AtkObject:property-change");
+ g_array_append_val (listener_ids, id);
+ id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
+ "window:create");
+ g_array_append_val (listener_ids, id);
+ id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
+ "window:destroy");
+ g_array_append_val (listener_ids, id);
+ id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
+ "window:minimize");
+ g_array_append_val (listener_ids, id);
+ id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
+ "window:maximize");
+ g_array_append_val (listener_ids, id);
+ id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
+ "window:restore");
+ g_array_append_val (listener_ids, id);
+ id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
+ "window:activate");
+ g_array_append_val (listener_ids, id);
+ id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
+ "window:deactivate");
+ g_array_append_val (listener_ids, id);
+ id = atk_add_global_event_listener (spi_atk_bridge_state_event_listener,
+ "Gtk:AtkObject:state-change");
+ g_array_append_val (listener_ids, id);
+
+ add_signal_listener ("Gtk:AtkObject:children-changed");
+ add_signal_listener ("Gtk:AtkObject:visible-data-changed");
+ add_signal_listener ("Gtk:AtkSelection:selection-changed");
+ add_signal_listener ("Gtk:AtkText:text-selection-changed");
+ add_signal_listener ("Gtk:AtkText:text-changed");
+ add_signal_listener ("Gtk:AtkText:text-caret-moved");
+ add_signal_listener ("Gtk:AtkTable:row-inserted");
+ add_signal_listener ("Gtk:AtkTable:row-reordered");
+ add_signal_listener ("Gtk:AtkTable:row-deleted");
+ add_signal_listener ("Gtk:AtkTable:column-inserted");
+ add_signal_listener ("Gtk:AtkTable:column-reordered");
+ add_signal_listener ("Gtk:AtkTable:column-deleted");
+ add_signal_listener ("Gtk:AtkTable:model-changed");
+/*
+ * May add the following listeners to implement preemptive key listening for GTK+
+ *
+ * atk_add_global_event_listener (spi_atk_bridge_widgetkey_listener, "Gtk:GtkWidget:key-press-event");
+ * atk_add_global_event_listener (spi_atk_bridge_widgetkey_listener, "Gtk:GtkWidget:key-release-event");
+ */
+ atk_bridge_key_event_listener_id = atk_add_key_event_listener (
+ spi_atk_bridge_key_listener, NULL);
+
g_object_unref (G_OBJECT (bo));
g_object_unref (ao);
}
static void
-bridge_exit_func (void)
+deregister_application (BonoboObject *app)
+{
+ Accessibility_Registry_deregisterApplication (
+ registry, BONOBO_OBJREF (app), &ev);
+
+ registry = bonobo_object_release_unref (registry, &ev);
+
+ app = bonobo_object_unref (app);
+}
+
+static void
+spi_atk_bridge_exit_func (void)
{
BonoboObject *app = (BonoboObject *) this_app;
g_assert (bonobo_activate ());
}
- Accessibility_Registry_deregisterApplication (
- registry, BONOBO_OBJREF (app), &ev);
+ deregister_application (app);
- bonobo_object_release_unref (registry, &ev);
-
- bonobo_object_unref (app);
-
fprintf (stderr, "bridge exit func complete.\n");
if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
}
}
+void
+gnome_accessibility_module_init (void)
+{
+ atk_bridge_init (NULL, NULL);
+
+ g_print("Atk Accessibilty bridge initialized\n");
+}
+
+void
+gnome_accessibility_module_shutdown (void)
+{
+ BonoboObject *app = (BonoboObject *) this_app;
+ int i;
+ GArray *ids = listener_ids;
+
+ if (!atk_bridge_initialized)
+ {
+ return;
+ }
+ atk_bridge_initialized = FALSE;
+ this_app = NULL;
+
+ g_print("Atk Accessibilty bridge shutdown\n");
+
+ listener_ids = NULL;
+ atk_remove_focus_tracker (atk_bridge_focus_tracker_id);
+
+ for (i = 0; ids && i < ids->len; i++)
+ {
+ atk_remove_global_event_listener (g_array_index (ids, guint, i));
+ }
+
+ atk_remove_key_event_listener (atk_bridge_key_event_listener_id);
+
+ deregister_application (app);
+}
+
static void
-bridge_focus_tracker (AtkObject *object)
+spi_atk_bridge_focus_tracker (AtkObject *object)
{
SpiAccessible *source;
Accessibility_Event e;
}
static void
-emit_eventv (GObject *gobject,
- unsigned long detail1,
- unsigned long detail2,
- const char *format, ...)
+spi_atk_emit_eventv (GObject *gobject,
+ unsigned long detail1,
+ unsigned long detail2,
+ const char *format, ...)
{
va_list args;
Accessibility_Event e;
}
static gboolean
-bridge_property_event_listener (GSignalInvocationHint *signal_hint,
- guint n_param_values,
- const GValue *param_values,
- gpointer data)
+spi_atk_bridge_property_event_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data)
{
AtkPropertyValues *values;
GObject *gobject;
#ifdef SPI_BRIDGE_DEBUG
GSignalQuery signal_query;
const gchar *name;
- gchar *s;
+ const gchar *s, *s2;
g_signal_query (signal_hint->signal_id, &signal_query);
name = signal_query.signal_name;
+ s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
- fprintf (stderr, "Received (property) signal %s:%s from object %s\n",
- g_type_name (signal_query.itype), name, s);
+ values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
+ fprintf (stderr, "Received (property) signal %s:%s:%s from object %s (gail %s)\n",
+ g_type_name (signal_query.itype), name, values->property_name, s, s2);
+
#endif
gobject = g_value_get_object (param_values + 0);
values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
- emit_eventv (gobject, 0, 0, "object:property-change:%s", values->property_name);
+ spi_atk_emit_eventv (gobject, 0, 0, "object:property-change:%s", values->property_name);
return TRUE;
}
static gboolean
-bridge_state_event_listener (GSignalInvocationHint *signal_hint,
- guint n_param_values,
- const GValue *param_values,
- gpointer data)
+spi_atk_bridge_state_event_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data)
{
GObject *gobject;
- AtkPropertyValues *values;
+ gchar *property_name;
+ gchar *type;
+ unsigned long detail1;
#ifdef SPI_BRIDGE_DEBUG
GSignalQuery signal_query;
const gchar *name;
#endif
gobject = g_value_get_object (param_values + 0);
- values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
-
- emit_eventv (gobject,
- (unsigned long) values->old_value.data[0].v_ulong,
- (unsigned long) values->new_value.data[0].v_ulong,
- "object:%s:?", values->property_name);
-
+ property_name = g_strdup (g_value_get_string (param_values + 1));
+ detail1 = (g_value_get_boolean (param_values + 2))
+ ? 1 : 0;
+ type = g_strdup_printf ("object:state-changed:%s", property_name);
+ spi_atk_emit_eventv (gobject,
+ detail1,
+ 0,
+ type);
+ g_free (property_name);
+ g_free (type);
return TRUE;
}
+
static void
-accessibility_init_keystroke_from_atk_key_event (Accessibility_KeyStroke *keystroke,
- AtkKeyEventStruct *event)
+spi_init_keystroke_from_atk_key_event (Accessibility_DeviceEvent *keystroke,
+ AtkKeyEventStruct *event)
{
#ifdef SPI_DEBUG
if (event)
g_print ("WARNING: NULL key event!");
}
- keystroke->keyID = (CORBA_long) event->keyval;
- keystroke->keycode = (CORBA_short) event->keycode;
+ keystroke->id = (CORBA_long) event->keyval;
+ keystroke->hw_code = (CORBA_short) event->keycode;
keystroke->timestamp = (CORBA_unsigned_long) event->timestamp;
keystroke->modifiers = (CORBA_unsigned_short) (event->state & 0xFFFF);
-
+ if (event->string)
+ {
+ keystroke->event_string = CORBA_string_dup (event->string);
+ keystroke->is_text = CORBA_TRUE;
+ }
+ else
+ {
+ keystroke->event_string = CORBA_string_dup ("");
+ keystroke->is_text = CORBA_FALSE;
+ }
switch (event->type)
{
case (ATK_KEY_EVENT_PRESS):
- keystroke->type = Accessibility_KEY_PRESSED;
+ keystroke->type = Accessibility_KEY_PRESSED_EVENT;
break;
case (ATK_KEY_EVENT_RELEASE):
- keystroke->type = Accessibility_KEY_RELEASED;
+ keystroke->type = Accessibility_KEY_RELEASED_EVENT;
break;
default:
keystroke->type = 0;
break;
}
+#if 0
+ g_print ("key_event type %d; val=%d code=%d modifiers=%x name=%s is_text=%d, time=%lx\n",
+ (int) keystroke->type, (int) keystroke->id, (int) keystroke->hw_code,
+ (int) keystroke->modifiers,
+ keystroke->event_string, (int) keystroke->is_text, (unsigned long) keystroke->timestamp);
+#endif
}
static gint
-bridge_key_listener (AtkKeyEventStruct *event, gpointer data)
+spi_atk_bridge_key_listener (AtkKeyEventStruct *event, gpointer data)
{
- CORBA_boolean result;
- Accessibility_KeyStroke key_event;
- Accessibility_DeviceEventController controller =
+ CORBA_boolean result;
+ Accessibility_DeviceEvent key_event;
+ Accessibility_DeviceEventController controller;
+
+ if (BONOBO_EX (&ev))
+ g_warning ("failure: pre-listener get dec\n");
+
+ controller =
Accessibility_Registry_getDeviceEventController (registry, &ev);
if (BONOBO_EX (&ev))
{
+ g_warning ("failure: no deviceeventcontroller found\n");
CORBA_exception_free (&ev);
result = FALSE;
}
else
{
- accessibility_init_keystroke_from_atk_key_event (&key_event, event);
+ spi_init_keystroke_from_atk_key_event (&key_event, event);
- /* FIXME: this casting is just totaly bogus */
result = Accessibility_DeviceEventController_notifyListenersSync (
- controller, (Accessibility_DeviceEvent *) &key_event, &ev);
+ controller, &key_event, &ev);
CORBA_exception_free (&ev);
}
}
static gboolean
-bridge_signal_listener (GSignalInvocationHint *signal_hint,
- guint n_param_values,
- const GValue *param_values,
- gpointer data)
+spi_atk_bridge_signal_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data)
{
GObject *gobject;
GSignalQuery signal_query;
const gchar *name;
+ gint detail1 = 0, detail2 = 0;
+#ifdef SPI_BRIDGE_DEBUG
+ const gchar *s, *s2;
+#endif
g_signal_query (signal_hint->signal_id, &signal_query);
name = signal_query.signal_name;
#ifdef SPI_BRIDGE_DEBUG
- fprintf (stderr, "Received signal %s:%s\n",
- g_type_name (signal_query.itype), name);
+ s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
+ s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
+ fprintf (stderr, "Received signal %s:%s from object %s (gail %s)\n",
+ g_type_name (signal_query.itype), name, s ? s : "<NULL>" , s2);
#endif
gobject = g_value_get_object (param_values + 0);
+ if (G_VALUE_TYPE (param_values + 1) == G_TYPE_INT)
+ detail1 = g_value_get_int (param_values + 1);
+ if (G_VALUE_TYPE (param_values + 2) == G_TYPE_INT)
+ detail2 = g_value_get_int (param_values + 2);
+
+ spi_atk_emit_eventv (gobject, detail1, detail2, "object:%s", name);
+
+ return TRUE;
+}
+
- emit_eventv (gobject, 0, 0, "object:%s", name);
+
+static gboolean
+spi_atk_bridge_window_event_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data)
+{
+ GObject *gobject;
+ GSignalQuery signal_query;
+ const gchar *name;
+#ifdef SPI_BRIDGE_DEBUG
+ const gchar *s, *s2;
+#endif
+
+ g_signal_query (signal_hint->signal_id, &signal_query);
+
+ name = signal_query.signal_name;
+
+#ifdef SPI_BRIDGE_DEBUG
+ s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
+ s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
+ fprintf (stderr, "Received signal %s:%s from object %s (gail %s)\n",
+ g_type_name (signal_query.itype), name, s ? s : "<NULL>" , s2);
+#endif
+
+ gobject = g_value_get_object (param_values + 0);
+ spi_atk_emit_eventv (gobject, 0, 0, "window:%s", name);
return TRUE;
}