#include <orbit/orbit.h>
#include <atk/atk.h>
#include <atk/atkobject.h>
+#include <atk/atknoopobject.h>
#include <libspi/Accessibility.h>
#include "accessible.h"
#include "application.h"
+/* #define SPI_BRIDGE_DEBUG 1 */
+
+#define APP_STATIC_BUFF_SZ 64
+
typedef struct _ArgStruct ArgStruct;
struct _ArgStruct {
static CORBA_Environment ev;
static Accessibility_Registry registry;
+static SpiApplication *this_app;
static gboolean bridge_register_app (gpointer p);
static void bridge_focus_tracker (AtkObject *object);
+static void bridge_exit_func(void);
+static gboolean bridge_register_event_listener ();
+static void register_atk_event_listeners();
+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 gint bridge_key_listener (AtkKeyEventStruct *event,
+ gpointer data);
int
-gtk_module_init(gint argc, char* argv[])
+gtk_module_init(gint *argc, gchar **argv[])
{
ArgStruct *args = (ArgStruct *) g_new0(ArgStruct, 1);
- args->c = argc;
- args->v = argv;
- g_idle_add (bridge_register_app, args);
+ args->c = *argc;
+ args->v = *argv;
+ bridge_register_app (args);
+ g_atexit (bridge_exit_func);
}
static gboolean
CORBA_Object oclient;
AtkObject *atko;
char *obj_id;
- char sbuf[30];
ArgStruct *args = (ArgStruct *)gp;
- Application *app;
-
CORBA_exception_init(&ev);
if (!bonobo_init (&(args->c), args->v))
}
/* Create the accesssible application server object */
- app = application_new(atk_get_root ());
+ this_app = spi_application_new(atk_get_root ());
obj_id = "OAFIID:Accessibility_Registry:proto0.1";
("Accessibility app error: exception during registry activation from id: %s\n"),
CORBA_exception_id(&ev));
CORBA_exception_free(&ev);
- exit(-1);
}
if (CORBA_Object_is_nil (oclient, &ev))
fprintf(stderr, "About to register application\n");
+ Accessibility_Registry_ref (registry, &ev);
+
bonobo_activate ();
- /* Register for focus event notifications, and register app with central registry */
- atk_add_focus_tracker (bridge_focus_tracker);
-
Accessibility_Registry_registerApplication (registry,
- bonobo_object_corba_objref (bonobo_object (app)),
+ CORBA_Object_duplicate (BONOBO_OBJREF (this_app), &ev),
&ev);
+
+ register_atk_event_listeners ();
+
return FALSE;
}
+static void
+register_atk_event_listeners ()
+{
+ GType t;
+
+ /*
+ * kludge to make sure the Atk interface types are registered, otherwise
+ * the AtkText signal handlers below won't get registered
+ */
+
+ AtkObject *o = atk_no_op_object_new (g_object_new (ATK_TYPE_OBJECT, NULL));
+
+ /* 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);
+}
+
+static void bridge_exit_func()
+{
+ fprintf (stderr, "exiting bridge\n");
+ Accessibility_Registry_deregisterApplication (registry,
+ CORBA_Object_duplicate (BONOBO_OBJREF (this_app), &ev),
+ &ev);
+ Accessibility_Registry_unref (registry, &ev);
+
+ fprintf (stderr, "bridge exit func complete.\n");
+}
+
static void bridge_focus_tracker (AtkObject *object)
{
- Accessibility_Event *e = g_new0(Accessibility_Event, 1);
+ Accessibility_Event *e = Accessibility_Event__alloc();
e->type = CORBA_string_dup ("focus:");
- e->target = bonobo_object_corba_objref (bonobo_object (accessible_new (object)));
+ e->source = CORBA_Object_duplicate (BONOBO_OBJREF (spi_accessible_new (object)), &ev);
+ e->detail1 = 0;
+ e->detail2 = 0;
+ Accessibility_Registry_notifyEvent (registry, e, &ev);
+}
+
+static gboolean
+bridge_property_event_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data)
+{
+ Accessibility_Event *e = Accessibility_Event__alloc();
+ Bonobo_Unknown source = NULL;
+ AtkObject *aobject;
+ AtkPropertyValues *values;
+ GObject *gobject;
+ GSignalQuery signal_query;
+ gchar *name;
+ char sbuf[APP_STATIC_BUFF_SZ];
+
+ g_signal_query (signal_hint->signal_id, &signal_query);
+ name = signal_query.signal_name;
+#ifdef SPI_BRIDGE_DEBUG
+ fprintf (stderr, "Received (property) signal %s:%s\n",
+ g_type_name (signal_query.itype), name);
+#endif
+ gobject = g_value_get_object (param_values + 0);
+ values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
+
+ /* notify the actual listeners */
+ if (ATK_IS_IMPLEMENTOR (gobject))
+ {
+ aobject = atk_implementor_ref_accessible (ATK_IMPLEMENTOR (gobject));
+ source = CORBA_Object_duplicate (BONOBO_OBJREF (spi_accessible_new (aobject)), &ev);
+ g_object_unref (G_OBJECT(aobject));
+ }
+ else if (ATK_IS_OBJECT (gobject))
+ {
+ aobject = ATK_OBJECT (gobject);
+ source = CORBA_Object_duplicate (BONOBO_OBJREF (spi_accessible_new (aobject)), &ev);
+ }
+ else
+ {
+ g_error("received property-change event from non-AtkImplementor");
+ }
+
+ snprintf(sbuf, APP_STATIC_BUFF_SZ, "object:property-change:%s", values->property_name);
+ e->type = CORBA_string_dup (sbuf);
+ e->source = source;
+ e->detail1 = 0;
+ e->detail2 = 0;
+ if (source)
+ Accessibility_Registry_notifyEvent (registry, e, &ev);
+ return TRUE;
+}
+
+static gboolean
+bridge_state_event_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data)
+{
+ Accessibility_Event *e = Accessibility_Event__alloc();
+ Bonobo_Unknown source = NULL;
+ AtkObject *aobject;
+ AtkPropertyValues *values;
+ GObject *gobject;
+ GSignalQuery signal_query;
+ gchar *name;
+ char sbuf[APP_STATIC_BUFF_SZ];
+
+ g_signal_query (signal_hint->signal_id, &signal_query);
+ name = signal_query.signal_name;
+#ifdef SPI_BRIDGE_DEBUG
+ fprintf (stderr, "Received (state) signal %s:%s\n",
+ g_type_name (signal_query.itype), name);
+#endif
+ gobject = g_value_get_object (param_values + 0);
+ values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
+
+ /* notify the actual listeners */
+ if (ATK_IS_IMPLEMENTOR (gobject))
+ {
+ aobject = atk_implementor_ref_accessible (ATK_IMPLEMENTOR (gobject));
+ source = CORBA_Object_duplicate (BONOBO_OBJREF (spi_accessible_new (aobject)), &ev);
+ g_object_unref (G_OBJECT(aobject));
+ }
+ else if (ATK_IS_OBJECT (gobject))
+ {
+ aobject = ATK_OBJECT (gobject);
+ source = CORBA_Object_duplicate (BONOBO_OBJREF (spi_accessible_new (aobject)), &ev);
+ }
+ else
+ {
+ g_error("received property-change event from non-AtkImplementor");
+ }
+
+ snprintf(sbuf, APP_STATIC_BUFF_SZ, "object:%s:%s", values->property_name, "?");
+ e->type = CORBA_string_dup (sbuf);
+ e->source = source;
+ e->detail1 = (unsigned long) values->old_value.data[0].v_ulong;
+ e->detail2 = (unsigned long) values->new_value.data[0].v_ulong;
+ if (source)
+ Accessibility_Registry_notifyEvent (registry, e, &ev);
+ return TRUE;
+}
+
+static Accessibility_KeyStroke *
+accessibility_keystroke_from_atk_key_event (AtkKeyEventStruct *event)
+{
+ Accessibility_KeyStroke *keystroke;
+ keystroke = Accessibility_KeyStroke__alloc ();
+
+#ifdef SPI_DEBUG
+ if (event) g_print ("event %c (%d)\n", (int) event->keyval, (int) event->keycode);
+ else
+#endif
+ if (!event) g_print ("WARNING: NULL key event!");
+
+ keystroke->keyID = (CORBA_long) event->keyval;
+ keystroke->keycode = (CORBA_short) event->keycode;
+ keystroke->timestamp = (CORBA_unsigned_long) event->timestamp;
+ keystroke->modifiers = (CORBA_unsigned_short) (event->state & 0xFFFF);
+
+ switch (event->type)
+ {
+ case (ATK_KEY_EVENT_PRESS):
+ keystroke->type = Accessibility_KEY_PRESSED;
+ break;
+ case (ATK_KEY_EVENT_RELEASE):
+ keystroke->type = Accessibility_KEY_RELEASED;
+ break;
+ default:
+ }
+
+ return keystroke;
+}
+
+static gint
+bridge_key_listener (AtkKeyEventStruct *event, gpointer data)
+{
+ Accessibility_KeyStroke *key_event = accessibility_keystroke_from_atk_key_event (event);
+ CORBA_boolean result;
+ Accessibility_DeviceEventController controller =
+ Accessibility_Registry_getDeviceEventController (registry, &ev);
+ result = Accessibility_DeviceEventController_notifyListenersSync (controller,
+ (Accessibility_DeviceEvent *) key_event,
+ &ev);
+}
+
+static gboolean
+bridge_signal_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data)
+{
+ Accessibility_Event *e = g_new0(Accessibility_Event, 1);
+ AtkObject *aobject;
+ Bonobo_Unknown source;
+ AtkPropertyValues *values;
+ GObject *gobject;
+ GSignalQuery signal_query;
+ gchar *name;
+ char sbuf[APP_STATIC_BUFF_SZ];
+
+ 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);
+#endif
+ gobject = g_value_get_object (param_values + 0);
+
+ /* notify the actual listeners */
+ if (ATK_IS_IMPLEMENTOR (gobject))
+ {
+ aobject = atk_implementor_ref_accessible (ATK_IMPLEMENTOR (gobject));
+ }
+ else if (ATK_IS_OBJECT (gobject))
+ {
+ aobject = ATK_OBJECT (gobject);
+ g_object_ref (aobject);
+ }
+ else
+ {
+ g_error("received property-change event from non-AtkImplementor");
+ }
+
+ snprintf(sbuf, APP_STATIC_BUFF_SZ, "%s:%s", name, g_type_name (signal_query.itype));
+ source = CORBA_Object_duplicate (BONOBO_OBJREF (spi_accessible_new (aobject)), &ev);
+ e->type = CORBA_string_dup (sbuf);
+ e->source = source;
e->detail1 = 0;
e->detail2 = 0;
Accessibility_Registry_notifyEvent (registry, e, &ev);
+ g_object_unref (aobject);
+ return TRUE;
+}
+
+static Accessibility_Registry bridge_get_registry ()
+{
+ return registry;
}