#include <config.h>
-#undef SPI_DEBUG
+#define SPI_DEBUG
-#ifdef SPI_DEBUG
-# include <stdio.h>
-#endif
+#include <string.h>
+#include <ctype.h>
+#include <stdio.h>
+#include <bonobo/bonobo-exception.h>
#include <X11/Xlib.h>
#include <X11/extensions/XTest.h>
#define XK_MISCELLANY
#include <X11/keysymdef.h>
+#include <gdk/gdk.h>
#include <gdk/gdkx.h> /* TODO: hide dependency (wrap in single porting file) */
+#include <gdk/gdkkeysyms.h>
#include <gdk/gdkwindow.h>
+#include "../libspi/spi-private.h"
#include "deviceeventcontroller.h"
/* Our parent Gtk object type */
/* 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;
+int (*x_default_error_handler) (Display *display, XErrorEvent *error_event);
typedef enum {
SPI_DEVICE_TYPE_KBD,
SPI_DEVICE_TYPE_LAST_DEFINED
} SpiDeviceTypeCategory;
-struct _DEControllerGrabMask {
- Accessibility_ControllerEventMask modmask;
- CORBA_unsigned_long keyval;
- unsigned int refcount;
-};
+typedef struct {
+ guint ref_count : 30;
+ guint pending_add : 1;
+ guint pending_remove : 1;
-typedef struct _DEControllerGrabMask DEControllerGrabMask;
+ Accessibility_ControllerEventMask mod_mask;
+ CORBA_unsigned_long key_val; /* KeyCode */
+} DEControllerGrabMask;
-struct _DEControllerListener {
+typedef struct {
CORBA_Object object;
SpiDeviceTypeCategory type;
-};
-
-typedef struct _DEControllerListener DEControllerListener;
+} DEControllerListener;
-struct _DEControllerKeyListener {
+typedef struct {
DEControllerListener listener;
- Accessibility_KeySet *keys;
- Accessibility_ControllerEventMask mask;
- Accessibility_KeyEventTypeSeq *typeseq;
- gboolean is_system_global;
-};
-typedef struct _DEControllerKeyListener DEControllerKeyListener;
+ Accessibility_KeySet *keys;
+ Accessibility_ControllerEventMask mask;
+ Accessibility_KeyEventTypeSeq *typeseq;
+ Accessibility_EventListenerMode *mode;
+} DEControllerKeyListener;
-static gboolean spi_controller_register_with_devices (SpiDeviceEventController *controller);
-static gboolean spi_controller_grab_keyboard (SpiDeviceEventController *controller);
+static void spi_controller_register_with_devices (SpiDEController *controller);
+static gboolean spi_controller_update_key_grabs (SpiDEController *controller,
+ Accessibility_DeviceEvent *recv);
+static void spi_controller_register_device_listener (SpiDEController *controller,
+ DEControllerListener *l,
+ CORBA_Environment *ev);
+static void spi_device_event_controller_forward_key_event (SpiDEController *controller,
+ const XEvent *event);
-static void spi_controller_register_device_listener (SpiDeviceEventController *controller,
- DEControllerListener *l,
- CORBA_Environment *ev);
+#define spi_get_display() GDK_DISPLAY()
-/*
- * Private methods
- */
+/* Private methods */
-static DEControllerGrabMask *
-spi_grabmask_clone (DEControllerGrabMask *grabmask)
+static KeyCode
+keycode_for_keysym (long keysym)
{
- DEControllerGrabMask *clone = g_new0 (DEControllerGrabMask, 1);
- memcpy (clone, grabmask, sizeof (DEControllerGrabMask));
- return clone;
+ return XKeysymToKeycode (spi_get_display (), (KeySym) keysym);
}
-static gint
-spi_compare_corba_objects (gconstpointer p1, gconstpointer p2)
+static DEControllerGrabMask *
+spi_grab_mask_clone (DEControllerGrabMask *grab_mask)
{
- CORBA_Environment ev;
- gint retval;
- retval = !CORBA_Object_is_equivalent ((CORBA_Object) p1, (CORBA_Object) p2, &ev);
+ DEControllerGrabMask *clone = g_new (DEControllerGrabMask, 1);
-#ifdef SPI_DEBUG
- fprintf (stderr, "comparing %p to %p; result %d\n",
- p1, p2,
- retval);
-#endif
- return retval;
+ memcpy (clone, grab_mask, sizeof (DEControllerGrabMask));
+
+ clone->ref_count = 1;
+ clone->pending_add = TRUE;
+ clone->pending_remove = FALSE;
+
+ return clone;
}
-static gint
-spi_compare_listeners (gconstpointer p1, gconstpointer p2)
+static void
+spi_grab_mask_free (DEControllerGrabMask *grab_mask)
{
- DEControllerListener *l1 = (DEControllerListener *) p1;
- DEControllerListener *l2 = (DEControllerListener *) p2;
- return spi_compare_corba_objects (l1->object, l2->object);
+ g_free (grab_mask);
}
static gint
-spi_grabmask_compare_values (gconstpointer p1, gconstpointer p2)
+spi_grab_mask_compare_values (gconstpointer p1, gconstpointer p2)
{
- DEControllerGrabMask *l1;
- DEControllerGrabMask *l2;
+ DEControllerGrabMask *l1 = (DEControllerGrabMask *) p1;
+ DEControllerGrabMask *l2 = (DEControllerGrabMask *) p2;
+
if (p1 == p2)
{
return 0;
}
else
{
- l1 = (DEControllerGrabMask *) p1;
- l2 = (DEControllerGrabMask *) p2;
- return ((l1->modmask != l2->modmask) || (l1->keyval != l2->keyval));
+ return ((l1->mod_mask != l2->mod_mask) || (l1->key_val != l2->key_val));
}
}
static DEControllerKeyListener *
-spi_dec_key_listener_new (CORBA_Object l,
- const Accessibility_KeySet *keys,
+spi_dec_key_listener_new (CORBA_Object l,
+ const Accessibility_KeySet *keys,
const Accessibility_ControllerEventMask mask,
- const Accessibility_KeyEventTypeSeq *typeseq,
- const CORBA_boolean is_system_global,
- CORBA_Environment *ev)
+ const Accessibility_KeyEventTypeSeq *typeseq,
+ const Accessibility_EventListenerMode *mode,
+ CORBA_Environment *ev)
{
DEControllerKeyListener *key_listener = g_new0 (DEControllerKeyListener, 1);
key_listener->listener.object = bonobo_object_dup_ref (l, ev);
key_listener->keys = ORBit_copy_value (keys, TC_Accessibility_KeySet);
key_listener->mask = mask;
key_listener->typeseq = ORBit_copy_value (typeseq, TC_Accessibility_KeyEventTypeSeq);
- key_listener->is_system_global = is_system_global;
+ 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",
+ g_print ("new listener, with mask %x, is_global %d, keys %p (%d)\n",
(unsigned int) key_listener->mask,
- (int) key_listener->is_system_global,
- (void *) key_listener->keys);
+ (int) (mode ? mode->global : 0),
+ (void *) key_listener->keys,
+ (int) (key_listener->keys ? key_listener->keys->_length : 0));
#endif
+
return key_listener;
}
static void
-spi_dec_key_listener_free (DEControllerKeyListener *key_listener, CORBA_Environment *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);
}
static void
-spi_controller_deregister_global_keygrabs (SpiDeviceEventController *controller,
- DEControllerKeyListener *key_listener)
+_register_keygrab (SpiDEController *controller,
+ DEControllerGrabMask *grab_mask)
{
- GList *list_ptr;
- DEControllerGrabMask *mask_ptr;
- /* TODO: implement this! Also remember to release any keygrabs still held */
- ;
+ GList *l;
+
+ l = g_list_find_custom (controller->keygrabs_list, grab_mask,
+ spi_grab_mask_compare_values);
+ if (l)
+ {
+ DEControllerGrabMask *cur_mask = l->data;
+
+ cur_mask->ref_count++;
+ if (cur_mask->pending_remove)
+ {
+ cur_mask->pending_remove = FALSE;
+ }
+ }
+ else
+ {
+ controller->keygrabs_list =
+ g_list_prepend (controller->keygrabs_list,
+ spi_grab_mask_clone (grab_mask));
+ }
}
static void
-spi_controller_register_global_keygrabs (SpiDeviceEventController *controller,
- DEControllerKeyListener *key_listener)
+_deregister_keygrab (SpiDEController *controller,
+ DEControllerGrabMask *grab_mask)
{
- DEControllerGrabMask grabmask, *grabmask_ptr;
- GList *list_ptr;
- gint i;
- /* TODO: deregistration version of this function */
-
- grabmask.modmask = key_listener->mask;
- if (key_listener->keys->_length == 0) /* special case means AnyKey/AllKeys */
+ GList *l;
+
+ l = g_list_find_custom (controller->keygrabs_list, grab_mask,
+ spi_grab_mask_compare_values);
+
+ if (l)
{
- grabmask.keyval = AnyKey;
- 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
+ DEControllerGrabMask *cur_mask = l->data;
+
+ cur_mask->ref_count--;
+ if (cur_mask->ref_count <= 0)
{
- controller->keygrabs_list =
- g_list_prepend (controller->keygrabs_list,
- spi_grabmask_clone (&grabmask));
- }
+ cur_mask->pending_remove = TRUE;
+ }
}
else
{
+ g_warning ("De-registering non-existant grab");
+ }
+}
+
+static void
+handle_keygrab (SpiDEController *controller,
+ DEControllerKeyListener *key_listener,
+ void (*process_cb) (SpiDEController *controller,
+ DEControllerGrabMask *grab_mask))
+{
+ DEControllerGrabMask grab_mask = { 0 };
+
+ grab_mask.mod_mask = key_listener->mask;
+ if (key_listener->keys->_length == 0) /* special case means AnyKey/AllKeys */
+ {
+ grab_mask.key_val = AnyKey;
+ process_cb (controller, &grab_mask);
+ }
+ else
+ {
+ int i;
+
for (i = 0; i < key_listener->keys->_length; ++i)
{
- long int keyval = key_listener->keys->_buffer[i];
+ long int key_val = key_listener->keys->_buffer[i];
/* X Grabs require keycodes, not keysyms */
- if (keyval >= 0)
+ if (key_val >= 0)
{
- keyval = XKeysymToKeycode(display, (KeySym) keyval);
+ key_val = XKeysymToKeycode (spi_get_display (), (KeySym) key_val);
}
- 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);
- }
- }
+ grab_mask.key_val = key_val;
+
+ process_cb (controller, &grab_mask);
+ }
}
}
static void
-spi_controller_register_device_listener (SpiDeviceEventController *controller,
+spi_controller_register_global_keygrabs (SpiDEController *controller,
+ DEControllerKeyListener *key_listener)
+{
+ handle_keygrab (controller, key_listener, _register_keygrab);
+ spi_controller_update_key_grabs (controller, NULL);
+}
+
+static void
+spi_controller_deregister_global_keygrabs (SpiDEController *controller,
+ DEControllerKeyListener *key_listener)
+{
+ handle_keygrab (controller, key_listener, _deregister_keygrab);
+ spi_controller_update_key_grabs (controller, NULL);
+}
+
+static void
+spi_controller_register_device_listener (SpiDEController *controller,
DEControllerListener *listener,
- CORBA_Environment *ev)
+ 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->is_system_global)
+ 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 SPI_DEVICE_TYPE_MOUSE:
-/* controller->mouse_listeners = g_list_append (controller->mouse_listeners,
- CORBA_Object_duplicate (l, ev));*/
-
-/* this interface should only be used for mouse motion events, not mouse clicks events */
+ default:
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 GdkFilterReturn
+global_filter_fn (GdkXEvent *gdk_xevent, GdkEvent *event, gpointer data)
+{
+ XEvent *xevent = gdk_xevent;
+ SpiDEController *controller;
+
+ if (xevent->type != KeyPress && xevent->type != KeyRelease)
+ {
+ return GDK_FILTER_CONTINUE;
}
+
+ controller = SPI_DEVICE_EVENT_CONTROLLER (data);
+
+ spi_device_event_controller_forward_key_event (controller, xevent);
+
+ /* FIXME: is this right ? */
+ return GDK_FILTER_CONTINUE;
}
-static gboolean
-spi_controller_register_with_devices (SpiDeviceEventController *controller)
+int
+_spi_controller_device_error_handler (Display *display, XErrorEvent *error)
{
- gboolean retval = FALSE;
+ if (error->error_code == BadAccess)
+ {
+ g_message ("Could not complete key grab: grab already in use.\n");
+ return 0;
+ }
+ else
+ {
+ return (*x_default_error_handler) (display, error);
+ }
+}
+static void
+spi_controller_register_with_devices (SpiDEController *controller)
+{
/* 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 %p\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 (g_getenv ("DISPLAY"));
- root_window = DefaultRootWindow (display);
- XSelectInput (display,
- root_window,
- KeyPressMask | KeyReleaseMask);
- /* register with: mouse hardware device handler? */
- /* register with: mouse event handler */
- return retval;
+
+ gdk_window_add_filter (NULL, global_filter_fn, controller);
+
+ gdk_window_set_events (gdk_get_default_root_window (),
+ GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK);
+
+ x_default_error_handler = XSetErrorHandler (_spi_controller_device_error_handler);
}
static gboolean
-spi_key_set_contains_key (Accessibility_KeySet *key_set, const Accessibility_DeviceEvent *key_event)
+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; }
+ if (!key_set)
+ {
+ g_print ("null key set!");
+ return TRUE;
+ }
len = key_set->_length;
return TRUE;
}
- for (i=0; i<len; ++i)
+ 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);
+ 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;
+ 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)
+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; }
+
+ if (!type_seq)
+ {
+ g_print ("null type seq!");
+ return TRUE;
+ }
len = type_seq->_length;
return TRUE;
}
- for (i=0; i<len; ++i)
+ 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);
+ 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;
+ 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)
+ DEControllerKeyListener *listener,
+ CORBA_boolean is_system_global)
{
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->is_system_global))
+ (is_system_global == listener->mode->global))
{
return TRUE;
}
else
- return FALSE;
+ {
+ return FALSE;
+ }
}
static gboolean
-spi_notify_keylisteners (GList *key_listeners,
+spi_notify_keylisteners (GList **key_listeners,
const Accessibility_DeviceEvent *key_event,
- CORBA_boolean is_system_global,
- CORBA_Environment *ev)
+ CORBA_boolean is_system_global,
+ CORBA_Environment *ev)
{
- int i, n_listeners = g_list_length (key_listeners);
- gboolean is_consumed = FALSE;
+ GList *l;
+ GSList *notify = NULL, *l2;
+ gboolean is_consumed;
- for (i=0; i<n_listeners && !is_consumed; ++i)
+ if (!key_listeners)
{
- 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
- {
+ return FALSE;
+ }
+
+ for (l = *key_listeners; l; l = l->next)
+ {
+ DEControllerKeyListener *key_listener = l->data;
+
+ if (spi_key_event_matches_listener (key_event, key_listener, is_system_global))
+ {
+ Accessibility_DeviceEventListener ls = key_listener->listener.object;
+
+ if (ls != CORBA_OBJECT_NIL)
+ {
+ notify = g_slist_prepend (notify, CORBA_Object_duplicate (ls, ev));
+ }
+ }
+ }
+
#ifdef SPI_KEYEVENT_DEBUG
- g_print ("no match for listener %d\n", i);
+ if (!notify)
+ {
+ g_print ("no match for listener %d\n", i);
+ }
#endif
- ;
- }
+
+ is_consumed = FALSE;
+ for (l2 = notify; l2 && !is_consumed; l2 = l2->next)
+ {
+ Accessibility_DeviceEventListener ls = l2->data;
+
+ is_consumed = Accessibility_DeviceEventListener_notifyEvent (ls, key_event, ev);
+
+ if (BONOBO_EX (ev))
+ {
+ is_consumed = FALSE;
+ CORBA_exception_free (ev);
+ }
+
+ CORBA_Object_release (ls, ev);
+ }
+
+ for (; l2; l2 = l2->next)
+ {
+ CORBA_Object_release (l2->data, ev);
}
+
+ g_slist_free (notify);
+
+#ifdef SPI_DEBUG
+ if (is_consumed) g_message ("consumed\n");
+#endif
return is_consumed;
}
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 ' ':
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
{
return key_event;
}
-
static gboolean
-spi_check_key_event (SpiDeviceEventController *controller)
-{
- static gboolean initialized = FALSE;
- XEvent *x_event = g_new0 (XEvent, 1);
- XKeyEvent *x_key_event;
- gboolean is_consumed = FALSE;
- Accessibility_DeviceEvent key_event;
- static CORBA_Environment ev;
-
- if (!initialized)
- {
- initialized = TRUE;
- CORBA_exception_init (&ev);
- }
+spi_controller_update_key_grabs (SpiDEController *controller,
+ Accessibility_DeviceEvent *recv)
+{
+ GList *l, *next;
+
+ g_return_val_if_fail (controller != NULL, FALSE);
+
+ /*
+ * masks known to work with default RH 7.1+:
+ * 0 (no mods), LockMask, Mod1Mask, Mod2Mask, ShiftMask,
+ * ShiftMask|LockMask, Mod1Mask|LockMask, Mod2Mask|LockMask,
+ * ShiftMask|Mod1Mask, ShiftMask|Mod2Mask, Mod1Mask|Mod2Mask,
+ * ShiftMask|LockMask|Mod1Mask, ShiftMask|LockMask|Mod2Mask,
+ *
+ * ControlMask grabs are broken, must be in use already
+ */
+ for (l = controller->keygrabs_list; l; l = next)
+ {
+ gboolean do_remove;
+ gboolean re_issue_grab;
+ DEControllerGrabMask *grab_mask = l->data;
- while (XPending(display))
- {
- XNextEvent (display, x_event);
- if (XFilterEvent (x_event, None)) continue;
- if (x_event->type == KeyPress || x_event->type == KeyRelease)
- {
- 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);
-#endif
- }
+ next = l->next;
- if (is_consumed)
- {
- XAllowEvents (display, AsyncKeyboard, CurrentTime);
- }
- else
- {
- XAllowEvents (display, ReplayKeyboard, CurrentTime);
- }
- }
- XUngrabKey (display, AnyKey, AnyModifier, root_window);
+ re_issue_grab = recv &&
+/* (recv->type == Accessibility_KEY_RELEASED) && - (?) */
+ (recv->modifiers & grab_mask->mod_mask) &&
+ (grab_mask->key_val == keycode_for_keysym (recv->id));
- return spi_controller_grab_keyboard (controller);
-}
+#ifdef SPI_DEBUG
+ fprintf (stderr, "mask=%lx %lx (%c%c) %s\n",
+ (long int) grab_mask->key_val,
+ (long int) grab_mask->mod_mask,
+ grab_mask->pending_add ? '+' : '.',
+ grab_mask->pending_remove ? '-' : '.',
+ re_issue_grab ? "re-issue": "");
+#endif
-static gboolean
-spi_controller_grab_keyboard (SpiDeviceEventController *controller)
-{
- GList *maskList = controller->keygrabs_list;
- int i;
- int last_mask;
- last_mask = g_list_length (maskList);
+ do_remove = FALSE;
-/*
- * masks known to work with default RH 7.1:
- * 0 (no mods), LockMask, Mod1Mask, Mod2Mask, ShiftMask,
- * ShiftMask|LockMask, Mod1Mask|LockMask, Mod2Mask|LockMask,
- * ShiftMask|Mod1Mask, ShiftMask|Mod2Mask, Mod1Mask|Mod2Mask,
- * ShiftMask|LockMask|Mod1Mask, ShiftMask|LockMask|Mod2Mask,
- *
- * ControlMask grabs are broken, must be in use already
- */
-
- 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)
+ if (grab_mask->pending_add && grab_mask->pending_remove)
{
- maskVal = (unsigned long) grab_mask->modmask;
- keyVal = grab_mask->keyval;
- }
+ do_remove = TRUE;
+ }
+ else if (grab_mask->pending_remove)
+ {
+#ifdef SPI_DEBUG
+ fprintf (stderr, "ungrabbing, mask=%x\n", grab_mask->mod_mask);
+#endif
+ XUngrabKey (spi_get_display (),
+ grab_mask->key_val,
+ grab_mask->mod_mask,
+ gdk_x11_get_default_root_xwindow ());
+
+ do_remove = TRUE;
+ }
+ else if (grab_mask->pending_add || re_issue_grab)
+ {
+
#ifdef SPI_DEBUG
- fprintf (stderr, "mask=%lx\n", maskVal);
+ fprintf (stderr, "grab with mask %x\n", grab_mask->mod_mask);
#endif
- if (!(maskVal & ControlMask))
- {
- XGrabKey (display,
- keyVal,
- maskVal,
- root_window,
+ XGrabKey (spi_get_display (),
+ grab_mask->key_val,
+ grab_mask->mod_mask,
+ gdk_x11_get_default_root_xwindow (),
True,
GrabModeAsync,
GrabModeAsync);
- /* TODO: check call for errors and return FALSE if error occurs */
}
- else
+
+ grab_mask->pending_add = FALSE;
+ grab_mask->pending_remove = FALSE;
+
+ if (do_remove)
{
- return FALSE; /* can't do control key yet */
- }
- }
+ g_assert (grab_mask->ref_count <= 0);
+
+ controller->keygrabs_list = g_list_delete_link (
+ controller->keygrabs_list, l);
+
+ spi_grab_mask_free (grab_mask);
+ }
+
+ /* TODO: check calls for errors and return FALSE if error occurs */
+ }
+
return TRUE;
}
static void
spi_device_event_controller_object_finalize (GObject *object)
{
+ SpiDEController *controller;
+
+ controller = SPI_DEVICE_EVENT_CONTROLLER (object);
#ifdef SPI_DEBUG
- fprintf(stderr, "spi_device_event_controller_object_finalize called\n");
+ fprintf(stderr, "spi_device_event_controller_object_finalize called\n");
#endif
- /* disconnect any special listeners, get rid of outstanding keygrabs */
+ /* disconnect any special listeners, get rid of outstanding keygrabs */
+ XUngrabKey (spi_get_display (), AnyKey, AnyModifier, DefaultRootWindow (spi_get_display ()));
- spi_device_event_controller_parent_class->finalize (object);
+ spi_device_event_controller_parent_class->finalize (object);
}
/*
- * CORBA Accessibility::DeviceEventController::registerKeystrokeListener
+ * CORBA Accessibility::DEController::registerKeystrokeListener
* method implementation
*/
static void
-impl_register_keystroke_listener (PortableServer_Servant servant,
+impl_register_keystroke_listener (PortableServer_Servant servant,
const Accessibility_DeviceEventListener l,
- const Accessibility_KeySet *keys,
+ const Accessibility_KeySet *keys,
const Accessibility_ControllerEventMask mask,
- const Accessibility_KeyEventTypeSeq *type,
- const CORBA_boolean is_system_global,
- CORBA_Environment *ev)
+ const Accessibility_KeyEventTypeSeq *type,
+ const Accessibility_EventListenerMode *mode,
+ CORBA_Environment *ev)
{
- SpiDeviceEventController *controller = SPI_DEVICE_EVENT_CONTROLLER (
- bonobo_object_from_servant (servant));
- DEControllerKeyListener *dec_listener;
+ SpiDEController *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);
+ fprintf (stderr, "registering keystroke listener %p with maskVal %lu\n",
+ (void *) l, (unsigned long) mask);
#endif
- dec_listener = spi_dec_key_listener_new (l, keys, mask, type, is_system_global, ev);
- spi_controller_register_device_listener (controller, (DEControllerListener *) dec_listener, ev);
+ dec_listener = spi_dec_key_listener_new (l, keys, mask, type, mode, ev);
+ spi_controller_register_device_listener (
+ controller, (DEControllerListener *) dec_listener, ev);
+}
+
+
+typedef struct {
+ CORBA_Environment *ev;
+ DEControllerKeyListener *key_listener;
+} RemoveKeyListenerClosure;
+
+static SpiReEntrantContinue
+remove_key_listener_cb (GList * const *list,
+ gpointer user_data)
+{
+ DEControllerKeyListener *key_listener = (*list)->data;
+ RemoveKeyListenerClosure *ctx = user_data;
+
+ if (CORBA_Object_is_equivalent (ctx->key_listener->listener.object,
+ key_listener->listener.object, ctx->ev))
+ {
+ spi_re_entrant_list_delete_link (list);
+ spi_dec_key_listener_free (key_listener, ctx->ev);
+ }
+
+ return SPI_RE_ENTRANT_CONTINUE;
+}
+
+static SpiReEntrantContinue
+copy_key_listener_cb (GList * const *list,
+ gpointer user_data)
+{
+ DEControllerKeyListener *key_listener = (*list)->data;
+ RemoveKeyListenerClosure *ctx = user_data;
+
+ if (CORBA_Object_is_equivalent (ctx->key_listener->listener.object,
+ key_listener->listener.object, ctx->ev))
+ {
+ /* TODO: FIXME aggregate keys in case the listener is registered twice */
+ CORBA_free (ctx->key_listener->keys);
+ ctx->key_listener->keys = ORBit_copy_value (key_listener->keys, TC_Accessibility_KeySet);
+ }
+
+ return SPI_RE_ENTRANT_CONTINUE;
}
/*
- * CORBA Accessibility::DeviceEventController::deregisterKeystrokeListener
+ * CORBA Accessibility::DEController::deregisterKeystrokeListener
* method implementation
*/
static void
-impl_deregister_keystroke_listener (PortableServer_Servant servant,
+impl_deregister_keystroke_listener (PortableServer_Servant servant,
const Accessibility_DeviceEventListener l,
- const Accessibility_KeySet *keys,
+ const Accessibility_KeySet *keys,
const Accessibility_ControllerEventMask mask,
- const Accessibility_KeyEventTypeSeq *type,
- const CORBA_boolean is_system_global,
- CORBA_Environment *ev)
-{
- SpiDeviceEventController *controller = SPI_DEVICE_EVENT_CONTROLLER (
- bonobo_object_from_servant (servant));
- DEControllerKeyListener *key_listener = spi_dec_key_listener_new (l,
- keys,
- mask,
- type,
- is_system_global,
- ev);
+ const Accessibility_KeyEventTypeSeq *type,
+ CORBA_Environment *ev)
+{
+ DEControllerKeyListener *key_listener;
+ RemoveKeyListenerClosure ctx;
+ SpiDEController *controller;
+
+ controller = SPI_DEVICE_EVENT_CONTROLLER (bonobo_object (servant));
+
+ 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);
+ fprintf (stderr, "deregistering keystroke listener %p with maskVal %lu\n",
+ (void *) l, (unsigned long) mask->value);
#endif
- spi_controller_deregister_device_listener(controller,
- (DEControllerListener *) key_listener,
- ev);
- spi_dec_key_listener_free (key_listener, ev);
-}
-/*
- * CORBA Accessibility::DeviceEventController::registerMouseListener
- * method implementation
- */
-/*
-static void
-impl_register_mouse_listener (PortableServer_Servant servant,
- const Accessibility_MouseListener *l,
- CORBA_Environment *ev)
-{
- SpiDeviceEventController *controller = SPI_DEVICE_EVENT_CONTROLLER (
- bonobo_object_from_servant (servant));
-#ifdef SPI_DEBUG
- fprintf (stderr, "registering mouse listener %p\n", l);
-#endif
- spi_controller_register_device_listener(controller, DEVICE_TYPE_MOUSE, l, keys, mask, ev);
-}
-*/
+ ctx.ev = ev;
+ ctx.key_listener = key_listener;
-static KeyCode
-keycode_for_keysym (long keysym)
-{
- return XKeysymToKeycode (display, (KeySym) keysym);
+ /* special case, copy keyset from existing controller list entry */
+ if (keys->_length == 0)
+ {
+ spi_re_entrant_list_foreach (&controller->key_listeners,
+ copy_key_listener_cb, &ctx);
+ }
+
+ spi_controller_deregister_global_keygrabs (controller, key_listener);
+
+ spi_re_entrant_list_foreach (&controller->key_listeners,
+ remove_key_listener_cb, &ctx);
+
+ spi_dec_key_listener_free (key_listener, ev);
}
/*
- * CORBA Accessibility::DeviceEventController::registerKeystrokeListener
+ * CORBA Accessibility::DEController::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: when initializing, query for XTest extension before using,
- * and fall back to XSendEvent() if XTest is not available.
- */
+ /* TODO: be accessX-savvy so that keyrelease occurs after sufficient timeout */
- 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;
- }
+ /*
+ * TODO: when initializing, query for XTest extension before using,
+ * and fall back to XSendEvent() if XTest is not available.
+ */
+
+ /* TODO: implement keystring mode also */
+ gdk_error_trap_push ();
+
+ 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;
+ case Accessibility_KEY_STRING:
+ fprintf (stderr, "Not yet implemented\n");
+ break;
+ }
+ if (gdk_error_trap_pop ())
+ {
+ g_warning ("Error emitting keystroke");
+ }
}
-/* Accessibility::DeviceEventController::generateMouseEvent */
+/* Accessibility::DEController::generateMouseEvent */
static void
impl_generate_mouse_event (PortableServer_Servant servant,
const CORBA_long x,
const CORBA_char *eventName,
CORBA_Environment *ev)
{
+ int button;
+ gboolean error = FALSE;
+ Display *display = spi_get_display ();
#ifdef SPI_DEBUG
- fprintf (stderr, "generating mouse %s event at %ld, %ld\n", eventName, x, y);
+ fprintf (stderr, "generating mouse %s event at %ld, %ld\n",
+ eventName, (long int) x, (long int) y);
#endif
+ g_message ("mouse event synthesis\n");
+ switch (eventName[0])
+ {
+ case 'b':
+ switch (eventName[1])
+ {
+ /* TODO: check number of buttons before parsing */
+ case '1':
+ button = 1;
+ break;
+ case '2':
+ button = 2;
+ break;
+ case '3':
+ button = 3;
+ break;
+ default:
+ error = TRUE;
+ }
+ if (!error)
+ {
+ if (x != -1 && y != -1)
+ {
+ XTestFakeMotionEvent (display, DefaultScreen (display),
+ x, y, 0);
+ }
+ XTestFakeButtonEvent (display, button, !(eventName[2] == 'r'), 0);
+ if (eventName[2] == 'c')
+ XTestFakeButtonEvent (display, button, FALSE, 1);
+ else if (eventName[2] == 'd')
+ {
+ XTestFakeButtonEvent (display, button, FALSE, 1);
+ XTestFakeButtonEvent (display, button, TRUE, 2);
+ XTestFakeButtonEvent (display, button, FALSE, 3);
+ }
+ }
+ break;
+ case 'r': /* relative motion */
+ XTestFakeRelativeMotionEvent (display, x, y, 0);
+ break;
+ case 'a': /* absolute motion */
+ XTestFakeMotionEvent (display, DefaultScreen (display),
+ x, y, 0);
+ break;
+ }
}
-/* Accessibility::DeviceEventController::notifyListenersSync */
+/* Accessibility::DEController::notifyListenersSync */
static CORBA_boolean
-impl_notify_listeners_sync(PortableServer_Servant servant,
- const Accessibility_DeviceEvent *event,
- CORBA_Environment *ev)
+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));
+ SpiDEController *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);
+ g_print ("notifylistening listeners synchronously: controller %p, event id %d\n",
+ controller, (int) event->id);
#endif
- return (spi_notify_keylisteners (controller->key_listeners, event, CORBA_FALSE, ev) ?
- CORBA_TRUE : CORBA_FALSE);
+ return spi_notify_keylisteners (&controller->key_listeners, event, CORBA_FALSE, ev) ?
+ CORBA_TRUE : CORBA_FALSE;
}
-/* Accessibility::DeviceEventController::notifyListenersAsync */
+/* Accessibility::DEController::notifyListenersAsync */
static void
-impl_notify_listeners_async (PortableServer_Servant servant,
+impl_notify_listeners_async (PortableServer_Servant servant,
const Accessibility_DeviceEvent *event,
- CORBA_Environment *ev)
+ CORBA_Environment *ev)
{
- SpiDeviceEventController *controller = SPI_DEVICE_EVENT_CONTROLLER(
- bonobo_object_from_servant (servant));
+ SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER (
+ bonobo_object_from_servant (servant));
#ifdef SPI_DEBUG
fprintf (stderr, "notifying listeners asynchronously\n");
#endif
- spi_notify_keylisteners (controller->key_listeners, event, CORBA_FALSE, ev);
+ spi_notify_keylisteners (&controller->key_listeners, event, CORBA_FALSE, ev);
}
static void
-spi_device_event_controller_class_init (SpiDeviceEventControllerClass *klass)
+spi_device_event_controller_class_init (SpiDEControllerClass *klass)
{
- GObjectClass * object_class = (GObjectClass *) klass;
- POA_Accessibility_DeviceEventController__epv *epv = &klass->epv;
- spi_device_event_controller_parent_class = g_type_class_peek_parent (klass);
-
- object_class->finalize = spi_device_event_controller_object_finalize;
+ GObjectClass * object_class = (GObjectClass *) klass;
+ POA_Accessibility_DeviceEventController__epv *epv = &klass->epv;
- 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->generateMouseEvent = impl_generate_mouse_event;
- epv->notifyListenersSync = impl_notify_listeners_sync;
- epv->notifyListenersAsync = impl_notify_listeners_async;
- klass->check_key_event = spi_check_key_event;
+ 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->generateKeyboardEvent = impl_generate_keyboard_event;
+ epv->generateMouseEvent = impl_generate_mouse_event;
+ epv->notifyListenersSync = impl_notify_listeners_sync;
+ epv->notifyListenersAsync = impl_notify_listeners_async;
}
static void
-spi_device_event_controller_init (SpiDeviceEventController *device_event_controller)
+spi_device_event_controller_init (SpiDEController *device_event_controller)
{
- device_event_controller->key_listeners = NULL;
+ device_event_controller->key_listeners = NULL;
device_event_controller->mouse_listeners = NULL;
- device_event_controller->keygrabs_list = NULL;
- kbd_registered = spi_controller_register_with_devices (device_event_controller);
+ device_event_controller->keygrabs_list = NULL;
+
+ /*
+ * TODO: fixme, this module makes the foolish assumptions that
+ * registryd uses the same display as the apps, and that the
+ * DISPLAY environment variable is set.
+ */
+ gdk_init (NULL, NULL);
+
+ spi_controller_register_with_devices (device_event_controller);
}
-gboolean
-spi_device_event_controller_check_key_event (SpiDeviceEventController *controller)
+static void
+spi_device_event_controller_forward_key_event (SpiDEController *controller,
+ const XEvent *event)
{
- SpiDeviceEventControllerClass *klass = SPI_DEVICE_EVENT_CONTROLLER_GET_CLASS (controller);
- if (klass->check_key_event)
- return (klass->check_key_event) (controller);
- return FALSE;
+ gboolean is_consumed = FALSE;
+ CORBA_Environment ev;
+ Accessibility_DeviceEvent key_event;
+
+ g_assert (event->type == KeyPress || event->type == KeyRelease);
+
+ CORBA_exception_init (&ev);
+
+ key_event = spi_keystroke_from_x_key_event ((XKeyEvent *) event);
+
+ spi_controller_update_key_grabs (controller, &key_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);
+
+ CORBA_exception_free (&ev);
+
+ if (is_consumed)
+ {
+ XAllowEvents (spi_get_display (), AsyncKeyboard, CurrentTime);
+ }
+ else
+ {
+ XAllowEvents (spi_get_display (), ReplayKeyboard, CurrentTime);
+ }
}
-SpiDeviceEventController *
-spi_device_event_controller_new (void *registryp)
+SpiDEController *
+spi_device_event_controller_new (SpiRegistry *registry)
{
- BonoboObject *registry = (BonoboObject *) registryp;
- SpiDeviceEventController *retval = g_object_new (
- SPI_DEVICE_EVENT_CONTROLLER_TYPE, NULL);
- retval->registry = registry;
- bonobo_object_ref (registry);
+ SpiDEController *retval = g_object_new (
+ SPI_DEVICE_EVENT_CONTROLLER_TYPE, NULL);
+
+ retval->registry = SPI_REGISTRY (bonobo_object_ref (
+ BONOBO_OBJECT (registry)));
+
return retval;
}
-BONOBO_TYPE_FUNC_FULL (SpiDeviceEventController,
+BONOBO_TYPE_FUNC_FULL (SpiDEController,
Accessibility_DeviceEventController,
PARENT_TYPE,
spi_device_event_controller);
-
projects / platform / core / uifw / at-spi2-atk.git / blobdiff