* Boston, MA 02111-1307, USA.
*/
-/*
- * listener.c: test for accessibility implementation
- *
- */
+/* deviceeventcontroler.c: implement the DeviceEventController interface */
+
+#include <config.h>
+
+#undef SPI_DEBUG
#ifdef SPI_DEBUG
-#include <stdio.h>
+# include <stdio.h>
#endif
-#include <stdlib.h> /* for getenv() */
#include <X11/Xlib.h>
#include <X11/extensions/XTest.h>
-#include <config.h>
+#define XK_MISCELLANY
+#include <X11/keysymdef.h>
#include <gdk/gdkx.h> /* TODO: hide dependency (wrap in single porting file) */
#include <gdk/gdkwindow.h>
-#include <bonobo/Bonobo.h>
-#include <libspi/Accessibility.h>
-/*
- * This pulls the definition for the BonoboObject (GType)
- */
#include "deviceeventcontroller.h"
-/*
- * Our parent Gtk object type
- */
-#define PARENT_TYPE BONOBO_OBJECT_TYPE
+/* Our parent Gtk object type */
+#define PARENT_TYPE BONOBO_TYPE_OBJECT
-/*
- * A pointer to our parent object class
- */
+/* A pointer to our parent object class */
static GObjectClass *spi_device_event_controller_parent_class;
static gboolean kbd_registered = FALSE;
-static Display *display;
-
static Window root_window;
typedef enum {
- DEVICE_TYPE_KBD,
- DEVICE_TYPE_MOUSE,
- DEVICE_TYPE_LAST_DEFINED
-} DeviceTypeCategory;
+ SPI_DEVICE_TYPE_KBD,
+ SPI_DEVICE_TYPE_MOUSE,
+ SPI_DEVICE_TYPE_LAST_DEFINED
+} SpiDeviceTypeCategory;
+
+struct _DEControllerGrabMask {
+ Accessibility_ControllerEventMask modmask;
+ CORBA_unsigned_long keyval;
+ unsigned int refcount;
+};
+
+typedef struct _DEControllerGrabMask DEControllerGrabMask;
+
+struct _DEControllerListener {
+ CORBA_Object object;
+ SpiDeviceTypeCategory type;
+};
-static gboolean _controller_register_with_devices (SpiDeviceEventController *controller);
-static gboolean _controller_grab_keyboard (SpiDeviceEventController *controller);
+typedef struct _DEControllerListener DEControllerListener;
-static void _controller_register_device_listener (SpiDeviceEventController *controller,
- const CORBA_Object l,
- DeviceTypeCategory type,
- const Accessibility_KeySet *keys,
- const Accessibility_ControllerEventMask *mask,
- CORBA_Environment *ev);
+struct _DEControllerKeyListener {
+ DEControllerListener listener;
+ Accessibility_KeySet *keys;
+ Accessibility_ControllerEventMask mask;
+ Accessibility_KeyEventTypeSeq *typeseq;
+ Accessibility_EventListenerMode *mode;
+};
+
+typedef struct _DEControllerKeyListener DEControllerKeyListener;
+
+static gboolean spi_controller_register_with_devices (SpiDeviceEventController *controller);
+static gboolean spi_controller_grab_keyboard (SpiDeviceEventController *controller);
+
+static void spi_controller_register_device_listener (SpiDeviceEventController *controller,
+ DEControllerListener *l,
+ CORBA_Environment *ev);
/*
* Private methods
*/
+static Display *
+spi_get_display (void )
+{
+ static Display *display = NULL;
+ /* We must open a new connection to the server to avoid clashing with the GDK event loop */
+ /*
+ * TODO: fixme, this makes the foolish assumption that registryd uses
+ * the same display as the apps, and the the DISPLAY environment variable is set.
+ */
+
+ if (!display)
+ {
+ display = XOpenDisplay (g_getenv ("DISPLAY"));
+ }
+ return display;
+}
+
+static DEControllerGrabMask *
+spi_grabmask_clone (DEControllerGrabMask *grabmask)
+{
+ DEControllerGrabMask *clone = g_new0 (DEControllerGrabMask, 1);
+ memcpy (clone, grabmask, sizeof (DEControllerGrabMask));
+ return clone;
+}
+
static gint
-_compare_corba_objects (gconstpointer p1, gconstpointer p2)
+spi_compare_corba_objects (gconstpointer p1, gconstpointer p2)
{
CORBA_Environment ev;
gint retval;
}
static gint
-_eventmask_compare_value (gconstpointer p1, gconstpointer p2)
+spi_compare_listeners (gconstpointer p1, gconstpointer p2)
+{
+ DEControllerListener *l1 = (DEControllerListener *) p1;
+ DEControllerListener *l2 = (DEControllerListener *) p2;
+ return spi_compare_corba_objects (l1->object, l2->object);
+}
+
+static gint
+spi_grabmask_compare_values (gconstpointer p1, gconstpointer p2)
+{
+ DEControllerGrabMask *l1;
+ DEControllerGrabMask *l2;
+ if (p1 == p2)
+ {
+ return 0;
+ }
+ else
+ {
+ l1 = (DEControllerGrabMask *) p1;
+ l2 = (DEControllerGrabMask *) p2;
+ return ((l1->modmask != l2->modmask) || (l1->keyval != l2->keyval));
+ }
+}
+
+static DEControllerKeyListener *
+spi_dec_key_listener_new (CORBA_Object l,
+ const Accessibility_KeySet *keys,
+ const Accessibility_ControllerEventMask mask,
+ const Accessibility_KeyEventTypeSeq *typeseq,
+ const Accessibility_EventListenerMode *mode,
+ CORBA_Environment *ev)
{
- long d;
- if (!p1 || !p2)
- return (gint) (p1?1:(p2?-1:0));
- else
- d = ((long)((Accessibility_ControllerEventMask*)p2)->value) -
- ((long)((Accessibility_ControllerEventMask*)p1)->value);
- return (gint) d;
+ DEControllerKeyListener *key_listener = g_new0 (DEControllerKeyListener, 1);
+ key_listener->listener.object = bonobo_object_dup_ref (l, ev);
+ key_listener->listener.type = SPI_DEVICE_TYPE_KBD;
+ key_listener->keys = ORBit_copy_value (keys, TC_Accessibility_KeySet);
+ key_listener->mask = mask;
+ key_listener->typeseq = ORBit_copy_value (typeseq, TC_Accessibility_KeyEventTypeSeq);
+ if (mode)
+ key_listener->mode = ORBit_copy_value (mode, TC_Accessibility_EventListenerMode);
+ else
+ key_listener->mode = NULL;
+
+#ifdef SPI_DEBUG
+ g_print ("new listener, with mask %x, is_global %d, keys %p\n",
+ (unsigned int) key_listener->mask,
+ (int) mode->global,
+ (void *) key_listener->keys);
+#endif
+ return key_listener;
}
static void
-_controller_register_device_listener (SpiDeviceEventController *controller,
- const CORBA_Object l,
- DeviceTypeCategory type,
- const Accessibility_KeySet *keys,
- const Accessibility_ControllerEventMask *mask,
- CORBA_Environment *ev)
-{
- Accessibility_ControllerEventMask *mask_ptr = NULL;
-
- switch (type) {
- case DEVICE_TYPE_KBD:
- controller->key_listeners = g_list_append (controller->key_listeners,
- CORBA_Object_duplicate (l, ev));
-
- mask_ptr = (Accessibility_ControllerEventMask *)
- g_list_find_custom (controller->keymask_list, (gpointer) mask,
- _eventmask_compare_value);
- if (mask_ptr)
- ++(mask_ptr->refcount);
- else
- {
- if (mask->refcount != (CORBA_unsigned_short) 1)
- fprintf (stderr, "mask initial refcount is not 1!\n");
- if (mask->value > (CORBA_unsigned_long) 2048)
- fprintf (stderr, "mask value looks invalid (%lu)\n",
- (unsigned long) mask->value);
- else
- fprintf (stderr, "appending mask with val=%lu\n",
- (unsigned long) mask->value);
- mask_ptr = Accessibility_ControllerEventMask__alloc();
- mask_ptr->value = mask->value;
- mask_ptr->refcount = (CORBA_unsigned_short) 1;
- controller->keymask_list = g_list_append (controller->keymask_list,
- (gpointer) mask_ptr);
- }
- break;
- case DEVICE_TYPE_MOUSE:
-/* controller->mouse_listeners = g_list_append (controller->mouse_listeners,
- CORBA_Object_duplicate (l, ev));*/
+spi_dec_key_listener_free (DEControllerKeyListener *key_listener, CORBA_Environment *ev)
+{
+ bonobo_object_release_unref (key_listener->listener.object, ev);
+ CORBA_free (key_listener->typeseq);
+ CORBA_free (key_listener->keys);
+ g_free (key_listener);
+}
-/* possibly this interface should NOT be used for mouse events ? */
- break;
- }
+static void
+spi_controller_deregister_global_keygrabs (SpiDeviceEventController *controller,
+ DEControllerKeyListener *key_listener)
+{
+ GList *list_ptr;
+ DEControllerGrabMask *mask_ptr;
+ /* TODO: implement this! Also remember to release any keygrabs still held */
+ ;
}
static void
-_controller_deregister_device_listener (SpiDeviceEventController *controller,
- const CORBA_Object l,
- const Accessibility_ControllerEventMask *mask,
- DeviceTypeCategory type,
- CORBA_Environment *ev)
+spi_controller_register_global_keygrabs (SpiDeviceEventController *controller,
+ DEControllerKeyListener *key_listener)
{
- Accessibility_ControllerEventMask *mask_ptr;
+ DEControllerGrabMask grabmask, *grabmask_ptr;
GList *list_ptr;
- switch (type) {
- case DEVICE_TYPE_KBD:
- list_ptr = g_list_find_custom (controller->key_listeners, l, _compare_corba_objects);
- if (list_ptr)
- controller->key_listeners = g_list_remove (controller->key_listeners, list_ptr);
- list_ptr = (GList *)
- g_list_find_custom (controller->keymask_list, (gpointer) mask,
- _eventmask_compare_value);
+ gint i;
+ /* TODO: deregistration version of this function */
+
+ grabmask.modmask = key_listener->mask;
+ if (key_listener->keys->_length == 0) /* special case means AnyKey/AllKeys */
+ {
+ grabmask.keyval = AnyKey;
+ list_ptr = g_list_find_custom (controller->keygrabs_list, &grabmask,
+ spi_grabmask_compare_values);
if (list_ptr)
{
- mask_ptr = (Accessibility_ControllerEventMask *) list_ptr->data;
- if (mask_ptr)
- --mask_ptr->refcount;
- if (!mask_ptr->refcount)
- {
- controller->keymask_list =
- g_list_remove (controller->keymask_list, mask_ptr);
- ; /* TODO: release any key grabs that are in place for this key mask */
+ grabmask_ptr = (DEControllerGrabMask *) list_ptr->data;
+ grabmask_ptr->refcount++;
+ }
+ else
+ {
+ controller->keygrabs_list =
+ g_list_prepend (controller->keygrabs_list,
+ spi_grabmask_clone (&grabmask));
+ }
+ }
+ else
+ {
+ for (i = 0; i < key_listener->keys->_length; ++i)
+ {
+ long int keyval = key_listener->keys->_buffer[i];
+ /* X Grabs require keycodes, not keysyms */
+ if (keyval >= 0)
+ {
+ keyval = XKeysymToKeycode(spi_get_display (), (KeySym) keyval);
}
+ grabmask.keyval = keyval;
+ list_ptr = g_list_find_custom (controller->keygrabs_list, &grabmask,
+ spi_grabmask_compare_values);
+ if (list_ptr)
+ {
+ grabmask_ptr = (DEControllerGrabMask *) list_ptr->data;
+ grabmask_ptr->refcount++;
+ }
+ else
+ {
+ controller->keygrabs_list =
+ g_list_prepend (controller->keygrabs_list,
+ spi_grabmask_clone (&grabmask));
+ fprintf (stderr, "appending mask with val=%lu\n",
+ (unsigned long) grabmask.modmask);
+ }
+ }
+ }
+}
+
+static void
+spi_controller_register_device_listener (SpiDeviceEventController *controller,
+ DEControllerListener *listener,
+ CORBA_Environment *ev)
+{
+ DEControllerKeyListener *key_listener;
+
+ switch (listener->type) {
+ case SPI_DEVICE_TYPE_KBD:
+ key_listener = (DEControllerKeyListener *) listener;
+ controller->key_listeners = g_list_prepend (controller->key_listeners, key_listener);
+ if (key_listener->mode->global)
+ {
+ spi_controller_register_global_keygrabs (controller, key_listener);
}
break;
- case DEVICE_TYPE_MOUSE:
+ case SPI_DEVICE_TYPE_MOUSE:
/* controller->mouse_listeners = g_list_append (controller->mouse_listeners,
CORBA_Object_duplicate (l, ev));*/
-/* possibly this interface should NOT be used for mouse events ? */
+/* this interface should only be used for mouse motion events, not mouse clicks events */
break;
}
}
+static void
+spi_controller_deregister_device_listener (SpiDeviceEventController *controller,
+ DEControllerListener *listener,
+ CORBA_Environment *ev)
+{
+ Accessibility_ControllerEventMask *mask_ptr;
+ DEControllerListener *dec_listener;
+ GList *list_ptr;
+ switch (listener->type)
+ {
+ case SPI_DEVICE_TYPE_KBD:
+ spi_controller_deregister_global_keygrabs (controller,
+ (DEControllerKeyListener *) listener);
+
+ /* now, remove this listener from the keylistener list */
+ list_ptr = g_list_find_custom (controller->key_listeners, listener, spi_compare_listeners);
+ if (list_ptr)
+ {
+ dec_listener = (DEControllerListener *) list_ptr->data;
+#ifdef SPI_DEBUG
+ g_print ("removing keylistener %p\n", dec_listener->object);
+#endif
+ controller->key_listeners = g_list_remove_link (controller->key_listeners,
+ list_ptr);
+ spi_dec_key_listener_free ((DEControllerKeyListener *) dec_listener, ev);
+ }
+ break;
+ case SPI_DEVICE_TYPE_MOUSE: /* TODO: implement */
+ break;
+ }
+}
+
static gboolean
-_controller_register_with_devices (SpiDeviceEventController *controller)
+spi_controller_register_with_devices (SpiDeviceEventController *controller)
{
gboolean retval = FALSE;
/* calls to device-specific implementations and routines go here */
/* register with: keyboard hardware code handler */
/* register with: (translated) keystroke handler */
-#ifdef SPI_DEBUG
- fprintf (stderr, "About to request events on window %ld of display %x\n",
- (unsigned long) GDK_ROOT_WINDOW(), GDK_DISPLAY());
-#endif
+
/* We must open a new connection to the server to avoid clashing with the GDK event loop */
- display = XOpenDisplay (getenv ("DISPLAY"));
- root_window = DefaultRootWindow (display);
- XSelectInput (display,
+ root_window = DefaultRootWindow (spi_get_display ());
+ XSelectInput (spi_get_display (),
root_window,
KeyPressMask | KeyReleaseMask);
/* register with: mouse hardware device handler? */
}
static gboolean
-_check_key_event (SpiDeviceEventController *controller)
+spi_key_set_contains_key (Accessibility_KeySet *key_set, const Accessibility_DeviceEvent *key_event)
+{
+ gint i;
+ gint len;
+
+ /* g_assert (key_set); */
+ if (!key_set) { g_print ("null key set!"); return TRUE; }
+
+ len = key_set->_length;
+
+ if (len == 0) /* special case, means "all keys/any key" */
+ {
+ g_print ("anykey\n");
+ return TRUE;
+ }
+
+ for (i=0; i<len; ++i)
+ {
+#ifdef SPI_KEYEVENT_DEBUG
+ g_print ("key_set[%d] = %d; key_event %d, code %d\n",
+ i,
+ (int) key_set->_buffer[i],
+ (int) key_event->id,
+ (int) key_event->hw_code);
+#endif
+ if (key_set->_buffer[i] == (CORBA_long) key_event->id) return TRUE;
+ if (key_set->_buffer[i] == (CORBA_long) -key_event->hw_code) return TRUE;
+ }
+
+ return FALSE;
+}
+
+static gboolean
+spi_key_eventtype_seq_contains_event (Accessibility_KeyEventTypeSeq *type_seq,
+ const Accessibility_DeviceEvent *key_event)
+{
+ gint i;
+ gint len;
+
+ /* g_assert (type_seq); */
+ if (!type_seq) { g_print ("null type seq!"); return TRUE; }
+
+ len = type_seq->_length;
+
+ if (len == 0) /* special case, means "all events/any event" */
+ {
+ return TRUE;
+ }
+
+ for (i=0; i<len; ++i)
+ {
+#ifdef SPI_DEBUG
+ g_print ("type_seq[%d] = %d; key event type = %d\n", i, (int) type_seq->_buffer[i],
+ (int) key_event->type);
+#endif
+ if (type_seq->_buffer[i] == (CORBA_long) key_event->type) return TRUE;
+ }
+
+ return FALSE;
+}
+
+static gboolean
+spi_key_event_matches_listener (const Accessibility_DeviceEvent *key_event,
+ DEControllerKeyListener *listener,
+ CORBA_boolean is_system_global)
+{
+ g_print ("checking keycode %d\n", (int) key_event->hw_code);
+ if ((key_event->modifiers == (CORBA_unsigned_short) (listener->mask & 0xFFFF)) &&
+ spi_key_set_contains_key (listener->keys, key_event) &&
+ spi_key_eventtype_seq_contains_event (listener->typeseq, key_event) &&
+ (is_system_global == listener->mode->global))
+ {
+ return TRUE;
+ }
+ else
+ return FALSE;
+}
+
+static gboolean
+spi_notify_keylisteners (GList *key_listeners,
+ const Accessibility_DeviceEvent *key_event,
+ CORBA_boolean is_system_global,
+ CORBA_Environment *ev)
+{
+ int i, n_listeners = g_list_length (key_listeners);
+ gboolean is_consumed = FALSE;
+
+ for (i=0; i<n_listeners && !is_consumed; ++i)
+ {
+ Accessibility_DeviceEventListener ls;
+ DEControllerKeyListener *key_listener = (DEControllerKeyListener *)
+ g_list_nth_data (key_listeners, i);
+ ls = (Accessibility_DeviceEventListener) key_listener->listener.object;
+ if (spi_key_event_matches_listener (key_event, key_listener, is_system_global))
+ {
+ if (!CORBA_Object_is_nil(ls, ev))
+ {
+ is_consumed = Accessibility_DeviceEventListener_notifyEvent (ls, key_event, ev);
+ }
+ }
+ else
+ {
+#ifdef SPI_KEYEVENT_DEBUG
+ g_print ("no match for listener %d\n", i);
+#endif
+ ;
+ }
+ }
+ return is_consumed;
+}
+
+static Accessibility_DeviceEvent
+spi_keystroke_from_x_key_event (XKeyEvent *x_key_event)
+{
+ Accessibility_DeviceEvent key_event;
+ KeySym keysym;
+ const int cbuf_bytes = 20;
+ char cbuf [cbuf_bytes];
+
+ keysym = XLookupKeysym (x_key_event, 0);
+ key_event.id = (CORBA_long)(keysym);
+ key_event.hw_code = (CORBA_short) x_key_event->keycode;
+ if (((XEvent *) x_key_event)->type == KeyPress)
+ {
+ key_event.type = Accessibility_KEY_PRESSED;
+ }
+ else
+ {
+ key_event.type = Accessibility_KEY_RELEASED;
+ }
+ key_event.modifiers = (CORBA_unsigned_short)(x_key_event->state);
+ key_event.is_text = CORBA_FALSE;
+ switch (keysym)
+ {
+ case ' ':
+ key_event.event_string = CORBA_string_dup ("space");
+ break;
+ case XK_Tab:
+ key_event.event_string = CORBA_string_dup ("Tab");
+ break;
+ case XK_BackSpace:
+ key_event.event_string = CORBA_string_dup ("Backspace");
+ break;
+ case XK_Return:
+ key_event.event_string = CORBA_string_dup ("Return");
+ break;
+ default:
+ if (XLookupString (x_key_event, cbuf, cbuf_bytes, &keysym, NULL) > 0)
+ {
+ key_event.event_string = CORBA_string_dup (cbuf);
+ if (isgraph (keysym))
+ {
+ key_event.is_text = CORBA_TRUE; /* FIXME: incorrect for some composed chars? */
+ }
+ }
+ else
+ {
+ key_event.event_string = CORBA_string_dup ("");
+ }
+ }
+
+ key_event.timestamp = (CORBA_unsigned_long) x_key_event->time;
+#ifdef SPI_KEYEVENT_DEBUG
+ fprintf (stderr,
+ "Key %lu pressed (%c), modifiers %d\n",
+ (unsigned long) keysym,
+ keysym ? (int) keysym : '*',
+ (int) x_key_event->state);
+#endif
+#ifdef SPI_DEBUG
+ fprintf (stderr, "%s%c",
+ (x_key_event->state & Mod1Mask)?"Alt-":"",
+ ((x_key_event->state & ShiftMask)^(x_key_event->state & LockMask))?
+ g_ascii_toupper (keysym) : g_ascii_tolower (keysym));
+#endif /* SPI_DEBUG */
+ return key_event;
+}
+
+
+static gboolean
+spi_check_key_event (SpiDeviceEventController *controller)
{
static gboolean initialized = FALSE;
- static gboolean is_active = FALSE;
XEvent *x_event = g_new0 (XEvent, 1);
XKeyEvent *x_key_event;
- KeySym keysym;
gboolean is_consumed = FALSE;
- char key_name[16];
- int i;
- int n_listeners = g_list_length (controller->key_listeners);
- Accessibility_KeyStroke key_event;
+ Accessibility_DeviceEvent key_event;
static CORBA_Environment ev;
if (!initialized)
CORBA_exception_init (&ev);
}
- while (XPending(display))
+ while (XPending(spi_get_display ()))
{
- XNextEvent (display, x_event);
+ XNextEvent (spi_get_display (), x_event);
if (XFilterEvent (x_event, None)) continue;
- if (x_event->type == KeyPress)
+ if (x_event->type == KeyPress || x_event->type == KeyRelease)
{
- x_key_event = (XKeyEvent *)x_event;
- keysym = XLookupKeysym (x_key_event, 0);
- key_event.keyID = (CORBA_long)(keysym);
- key_event.keycode = (CORBA_short) x_key_event->keycode;
- key_event.type = Accessibility_KEY_PRESSED;
- key_event.modifiers = (CORBA_unsigned_short)(x_key_event->state);
-#ifdef SPI_KEYEVENT_DEBUG
- fprintf (stderr,
- "Key %lu pressed (%c), modifiers %d\n",
- (unsigned long) keysym,
- keysym ? (int) keysym : '*',
- (int) x_key_event->state);
-#endif
-#ifdef SPI_DEBUG
- fprintf(stderr, "%s%c",
- (x_key_event->state & Mod1Mask)?"Alt-":"",
- ((x_key_event->state & ShiftMask)^(x_key_event->state & LockMask))?
- (char) toupper((int) keysym) : (char) tolower((int)keysym));
-#endif /* SPI_DEBUG */
+ key_event = spi_keystroke_from_x_key_event ((XKeyEvent *) x_event);
+ /* relay to listeners, and decide whether to consume it or not */
+ is_consumed = spi_notify_keylisteners (controller->key_listeners, &key_event, CORBA_TRUE, &ev);
}
else
- {
+ {
#ifdef SPI_KEYEVENT_DEBUG
- fprintf (stderr, "other event, type %d\n", (int) x_event->type);
+ fprintf (stderr, "other event, type %d\n", (int) x_event->type);
#endif
- }
- /* relay to listeners, and decide whether to consume it or not */
- for (i=0; i<n_listeners && !is_consumed; ++i)
- {
- Accessibility_KeystrokeListener ls;
- ls = (Accessibility_KeystrokeListener)
- g_list_nth_data (controller->key_listeners, i);
- if (!CORBA_Object_is_nil(ls, &ev))
- {
- is_consumed = Accessibility_KeystrokeListener_keyEvent (ls, &key_event, &ev);
- }
- }
+ }
+
if (is_consumed)
- {
- XAllowEvents (display, SyncKeyboard, CurrentTime);
- }
+ {
+ XAllowEvents (spi_get_display (), AsyncKeyboard, CurrentTime);
+ }
else
- {
- XAllowEvents (display, ReplayKeyboard, CurrentTime);
- }
+ {
+ XAllowEvents (spi_get_display (), ReplayKeyboard, CurrentTime);
+ }
}
- XUngrabKey (display, AnyKey, AnyModifier, root_window);
- return _controller_grab_keyboard (controller);
+ XUngrabKey (spi_get_display (), AnyKey, AnyModifier, root_window);
+
+ return spi_controller_grab_keyboard (controller);
}
static gboolean
-_controller_grab_keyboard (SpiDeviceEventController *controller)
+spi_controller_grab_keyboard (SpiDeviceEventController *controller)
{
- GList *maskList = controller->keymask_list;
- int i;
- int last_mask;
- last_mask = g_list_length (maskList);
+ GList *maskList = controller->keygrabs_list;
+ int i;
+ int last_mask;
+ last_mask = g_list_length (maskList);
/*
* masks known to work with default RH 7.1:
* ControlMask grabs are broken, must be in use already
*/
- for (i=0; i < last_mask; ++i)
- {
- Accessibility_ControllerEventMask *mask
- = (Accessibility_ControllerEventMask *)g_list_nth_data (maskList, i);
- unsigned long maskVal = 0xFFFFFFFF;
- if (mask) maskVal = (unsigned long) mask->value;
-#ifdef SPI_KEYEVENT_DEBUG
- fprintf (stderr, "mask=%lx\n", maskVal);
+ for (i=0; i < last_mask; ++i)
+ {
+ DEControllerGrabMask * grab_mask
+ = (DEControllerGrabMask *) g_list_nth_data (maskList, i);
+ unsigned long maskVal = 0xFFFFFFFF;
+ int keyVal = AnyKey;
+ if (grab_mask)
+ {
+ maskVal = (unsigned long) grab_mask->modmask;
+ keyVal = grab_mask->keyval;
+ }
+#ifdef SPI_DEBUG
+ fprintf (stderr, "mask=%lx\n", maskVal);
#endif
- if (!(maskVal & ControlMask))
- {
- XGrabKey (display,
- AnyKey,
- maskVal,
- root_window,
- True,
- GrabModeAsync,
- GrabModeSync);
- /* TODO: check call for errors and return FALSE if error occurs */
- } else {
- return FALSE; /* can't do control key yet */
- }
- }
- return TRUE;
+ XGrabKey (spi_get_display (),
+ keyVal,
+ maskVal,
+ root_window,
+ True,
+ GrabModeAsync,
+ GrabModeAsync);
+ /* TODO: check call for errors and return FALSE if error occurs */
+ }
+ return TRUE;
}
/*
{
#ifdef SPI_DEBUG
- fprintf(stderr, "spi_device_event_controller_object_finalize called\n");
+ fprintf(stderr, "spi_device_event_controller_object_finalize called\n");
#endif
- spi_device_event_controller_parent_class->finalize (object);
+ /* disconnect any special listeners, get rid of outstanding keygrabs */
+
+ spi_device_event_controller_parent_class->finalize (object);
}
/*
*/
static void
impl_register_keystroke_listener (PortableServer_Servant servant,
- const Accessibility_KeystrokeListener l,
+ const Accessibility_DeviceEventListener l,
const Accessibility_KeySet *keys,
- const Accessibility_ControllerEventMask *mask,
+ const Accessibility_ControllerEventMask mask,
const Accessibility_KeyEventTypeSeq *type,
- const CORBA_boolean is_system_global,
+ const Accessibility_EventListenerMode *mode,
CORBA_Environment *ev)
{
- SpiDeviceEventController *controller = SPI_DEVICE_EVENT_CONTROLLER (
- bonobo_object_from_servant (servant));
+ SpiDeviceEventController *controller = SPI_DEVICE_EVENT_CONTROLLER (
+ bonobo_object_from_servant (servant));
+ DEControllerKeyListener *dec_listener;
#ifdef SPI_DEBUG
- fprintf (stderr, "registering keystroke listener %p with maskVal %lu\n",
- (void *) l, (unsigned long) mask->value);
+ fprintf (stderr, "registering keystroke listener %p with maskVal %lu\n",
+ (void *) l, (unsigned long) mask);
#endif
- /* TODO: change this to an enum, indicating if event is caught at OS level */
- if (is_system_global)
- _controller_register_device_listener(controller, l, DEVICE_TYPE_KBD, keys, mask, ev);
- else
- ; /* register with toolkit instead */
+ dec_listener = spi_dec_key_listener_new (l, keys, mask, type, mode, ev);
+ spi_controller_register_device_listener (controller, (DEControllerListener *) dec_listener, ev);
}
/*
*/
static void
impl_deregister_keystroke_listener (PortableServer_Servant servant,
- const Accessibility_KeystrokeListener l,
+ const Accessibility_DeviceEventListener l,
const Accessibility_KeySet *keys,
- const Accessibility_ControllerEventMask *mask,
+ const Accessibility_ControllerEventMask mask,
const Accessibility_KeyEventTypeSeq *type,
- const CORBA_boolean is_synchronous,
CORBA_Environment *ev)
{
SpiDeviceEventController *controller = SPI_DEVICE_EVENT_CONTROLLER (
bonobo_object_from_servant (servant));
-#ifdef SPI_DEBUG
+ DEControllerKeyListener *key_listener = spi_dec_key_listener_new (l,
+ keys,
+ mask,
+ type,
+ NULL,
+ ev);
+#ifdef SPI_DEREGISTER_DEBUG
fprintf (stderr, "deregistering keystroke listener %p with maskVal %lu\n",
(void *) l, (unsigned long) mask->value);
#endif
- _controller_deregister_device_listener(controller, l, mask, DEVICE_TYPE_KBD, ev);
+ spi_controller_deregister_device_listener(controller,
+ (DEControllerListener *) key_listener,
+ ev);
+ spi_dec_key_listener_free (key_listener, ev);
}
/*
#ifdef SPI_DEBUG
fprintf (stderr, "registering mouse listener %p\n", l);
#endif
- _controller_register_device_listener(controller, DEVICE_TYPE_MOUSE, l, keys, mask, ev);
+ spi_controller_register_device_listener(controller, DEVICE_TYPE_MOUSE, l, keys, mask, ev);
}
*/
static KeyCode
keycode_for_keysym (long keysym)
{
- return XKeysymToKeycode (display, (KeySym) keysym);
+ return XKeysymToKeycode (spi_get_display (), (KeySym) keysym);
}
+#define SPI_DEBUG
+
/*
* CORBA Accessibility::DeviceEventController::registerKeystrokeListener
* method implementation
*/
static void
-impl_generate_key_event (PortableServer_Servant servant,
- const CORBA_long keycode,
- const Accessibility_KeySynthType synth_type,
- CORBA_Environment *ev)
+impl_generate_keyboard_event (PortableServer_Servant servant,
+ const CORBA_long keycode,
+ const CORBA_char *keystring,
+ const Accessibility_KeySynthType synth_type,
+ CORBA_Environment *ev)
{
- long key_synth_code;
+ long key_synth_code;
#ifdef SPI_DEBUG
- fprintf (stderr, "synthesizing keystroke %ld\n", (long) keycode);
+ fprintf (stderr, "synthesizing keystroke %ld, type %d\n", (long) keycode, (int) synth_type);
#endif
- /* TODO: hide/wrap/remove X dependency */
+ /* TODO: hide/wrap/remove X dependency */
- /* TODO: be accessX-savvy so that keyrelease occurs after sufficient timeout */
+ /* TODO: be accessX-savvy so that keyrelease occurs after sufficient timeout */
- /*
- * TODO: when initializing, query for XTest extension before using,
- * and fall back to XSendEvent() if XTest is not available.
- */
+ /*
+ * TODO: when initializing, query for XTest extension before using,
+ * and fall back to XSendEvent() if XTest is not available.
+ */
+
+ /* TODO: implement keystring mode also */
- switch (synth_type)
- {
- case Accessibility_KEY_PRESS:
- XTestFakeKeyEvent (GDK_DISPLAY(), (unsigned int) keycode, True, CurrentTime);
- break;
- case Accessibility_KEY_PRESSRELEASE:
- XTestFakeKeyEvent (GDK_DISPLAY(), (unsigned int) keycode, True, CurrentTime);
- case Accessibility_KEY_RELEASE:
- XTestFakeKeyEvent (GDK_DISPLAY(), (unsigned int) keycode, False, CurrentTime);
- break;
- case Accessibility_KEY_SYM:
- key_synth_code = keycode_for_keysym (keycode);
- XTestFakeKeyEvent (GDK_DISPLAY(), (unsigned int) key_synth_code, True, CurrentTime);
- XTestFakeKeyEvent (GDK_DISPLAY(), (unsigned int) key_synth_code, False, CurrentTime);
- break;
- }
+ switch (synth_type)
+ {
+ case Accessibility_KEY_PRESS:
+ XTestFakeKeyEvent (spi_get_display (), (unsigned int) keycode, True, CurrentTime);
+ break;
+ case Accessibility_KEY_PRESSRELEASE:
+ XTestFakeKeyEvent (spi_get_display (), (unsigned int) keycode, True, CurrentTime);
+ case Accessibility_KEY_RELEASE:
+ XTestFakeKeyEvent (spi_get_display (), (unsigned int) keycode, False, CurrentTime);
+ break;
+ case Accessibility_KEY_SYM:
+ key_synth_code = keycode_for_keysym (keycode);
+ XTestFakeKeyEvent (spi_get_display (), (unsigned int) key_synth_code, True, CurrentTime);
+ XTestFakeKeyEvent (spi_get_display (), (unsigned int) key_synth_code, False, CurrentTime);
+ break;
+ }
}
-/*
- * CORBA Accessibility::DeviceEventController::generateMouseEvent
- * method implementation
- */
+/* Accessibility::DeviceEventController::generateMouseEvent */
static void
-impl_generate_mouse_event (PortableServer_Servant servant,
- const CORBA_long x,
- const CORBA_long y,
- const CORBA_char * eventName,
+impl_generate_mouse_event (PortableServer_Servant servant,
+ const CORBA_long x,
+ const CORBA_long y,
+ const CORBA_char *eventName,
+ CORBA_Environment *ev)
+{
+#ifdef SPI_DEBUG
+ fprintf (stderr, "generating mouse %s event at %ld, %ld\n", eventName, x, y);
+#endif
+}
+
+/* Accessibility::DeviceEventController::notifyListenersSync */
+static CORBA_boolean
+impl_notify_listeners_sync(PortableServer_Servant servant,
+ const Accessibility_DeviceEvent *event,
CORBA_Environment *ev)
{
+ SpiDeviceEventController *controller = SPI_DEVICE_EVENT_CONTROLLER (
+ bonobo_object_from_servant (servant));
+#ifdef SPI_DEBUG
+ g_print ("notifylistening listeners synchronously: controller %x, event id %d\n",
+ (void *) controller, (int) event->id);
+#endif
+ return (spi_notify_keylisteners (controller->key_listeners, event, CORBA_FALSE, ev) ?
+ CORBA_TRUE : CORBA_FALSE);
+}
+
+/* Accessibility::DeviceEventController::notifyListenersAsync */
+static void
+impl_notify_listeners_async (PortableServer_Servant servant,
+ const Accessibility_DeviceEvent *event,
+ CORBA_Environment *ev)
+{
+ SpiDeviceEventController *controller = SPI_DEVICE_EVENT_CONTROLLER(
+ bonobo_object_from_servant (servant));
#ifdef SPI_DEBUG
- fprintf (stderr, "generating mouse %s event at %ld, %ld\n", eventName, x, y);
+ fprintf (stderr, "notifying listeners asynchronously\n");
#endif
+ spi_notify_keylisteners (controller->key_listeners, event, CORBA_FALSE, ev);
}
static void
{
GObjectClass * object_class = (GObjectClass *) klass;
POA_Accessibility_DeviceEventController__epv *epv = &klass->epv;
- spi_device_event_controller_parent_class = g_type_class_ref (BONOBO_OBJECT_TYPE);
+ spi_device_event_controller_parent_class = g_type_class_peek_parent (klass);
object_class->finalize = spi_device_event_controller_object_finalize;
epv->registerKeystrokeListener = impl_register_keystroke_listener;
epv->deregisterKeystrokeListener = impl_deregister_keystroke_listener;
/* epv->registerMouseListener = impl_register_mouse_listener; */
- epv->generateKeyEvent = impl_generate_key_event;
+ epv->generateKeyboardEvent = impl_generate_keyboard_event;
epv->generateMouseEvent = impl_generate_mouse_event;
- klass->check_key_event = _check_key_event;
+ epv->notifyListenersSync = impl_notify_listeners_sync;
+ epv->notifyListenersAsync = impl_notify_listeners_async;
+ klass->check_key_event = spi_check_key_event;
}
static void
{
device_event_controller->key_listeners = NULL;
device_event_controller->mouse_listeners = NULL;
- device_event_controller->keymask_list = NULL;
- kbd_registered = _controller_register_with_devices (device_event_controller);
+ device_event_controller->keygrabs_list = NULL;
+ kbd_registered = spi_controller_register_with_devices (device_event_controller);
}
-gboolean spi_device_event_controller_check_key_event (SpiDeviceEventController *controller)
+gboolean
+spi_device_event_controller_check_key_event (SpiDeviceEventController *controller)
{
- SpiDeviceEventControllerClass *klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
- if (klass->check_key_event)
- return (klass->check_key_event) (controller);
+ SpiDeviceEventControllerClass *klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
+ if (klass->check_key_event)
+ return (klass->check_key_event) (controller);
+ return FALSE;
}
SpiDeviceEventController *
spi_device_event_controller_new (void *registryp)
{
- SpiRegistry *registry = SPI_REGISTRY (registryp);
- SpiDeviceEventController *retval =
- SPI_DEVICE_EVENT_CONTROLLER (g_object_new (SPI_DEVICE_EVENT_CONTROLLER_TYPE, NULL));
+ BonoboObject *registry = (BonoboObject *) registryp;
+ SpiDeviceEventController *retval = g_object_new (
+ SPI_DEVICE_EVENT_CONTROLLER_TYPE, NULL);
retval->registry = registry;
bonobo_object_ref (registry);
return retval;
}
-GType
-spi_device_event_controller_get_type (void)
-{
- static GType type = 0;
-
- if (!type) {
- static const GTypeInfo tinfo = {
- sizeof (SpiDeviceEventControllerClass),
- (GBaseInitFunc) NULL,
- (GBaseFinalizeFunc) NULL,
- (GClassInitFunc) spi_device_event_controller_class_init,
- (GClassFinalizeFunc) NULL,
- NULL, /* class data */
- sizeof (SpiDeviceEventController),
- 0, /* n preallocs */
- (GInstanceInitFunc) spi_device_event_controller_init,
- NULL /* value table */
- };
- /*
- * Here we use bonobo_type_unique instead of
- * gtk_type_unique, this auto-generates a load of
- * CORBA structures for us. All derived types must
- * use bonobo_type_unique.
- */
- type = bonobo_type_unique (
- PARENT_TYPE,
- POA_Accessibility_DeviceEventController__init,
- NULL,
- G_STRUCT_OFFSET (SpiDeviceEventControllerClass, epv),
- &tinfo,
- "SpiDeviceEventController");
- }
-
- return type;
-}
+BONOBO_TYPE_FUNC_FULL (SpiDeviceEventController,
+ Accessibility_DeviceEventController,
+ PARENT_TYPE,
+ spi_device_event_controller);