*
* (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
*
- * Copyright 2001, 2002 Sun Microsystems Inc.,
+ * Copyright 2001, 2003 Sun Microsystems Inc.,
* Copyright 2001, 2002 Ximian, Inc.
*
* This library is free software; you can redistribute it and/or
#include <string.h>
#include <ctype.h>
#include <stdio.h>
+#include <sys/time.h>
#include <bonobo/bonobo-exception.h>
#include <X11/Xlib.h>
#include <X11/extensions/XTest.h>
#include <X11/XKBlib.h>
#define XK_MISCELLANY
+#define XK_LATIN1
#include <X11/keysymdef.h>
+
+#ifdef HAVE_XEVIE
+#include <X11/Xproto.h>
+#include <X11/X.h>
+#include <X11/extensions/Xevie.h>
+#endif /* HAVE_XEVIE */
+
#include <gdk/gdk.h>
#include <gdk/gdkx.h> /* TODO: hide dependency (wrap in single porting file) */
#include <gdk/gdkkeysyms.h>
#include "../libspi/spi-private.h"
#include "deviceeventcontroller.h"
+KeySym ucs2keysym (long ucs);
+long keysym2ucs(KeySym keysym);
+
+#define CHECK_RELEASE_DELAY 20
+#define BIT(c, x) (c[x/8]&(1<<(x%8)))
+static guint check_release_handler = 0;
+static Accessibility_DeviceEvent pressed_event;
+static SpiDEController *saved_controller;
+static void wait_for_release_event (XEvent *event, SpiDEController *controller);
+
/* Our parent Gtk object type */
#define PARENT_TYPE BONOBO_TYPE_OBJECT
static unsigned int mouse_button_mask =
Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask;
static unsigned int key_modifier_mask =
- Mod1Mask | Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask | ShiftMask | LockMask | ControlMask;
+ Mod1Mask | Mod2Mask | Mod3Mask | Mod4Mask | Mod5Mask | ShiftMask | LockMask | ControlMask | SPI_KEYMASK_NUMLOCK;
+static unsigned int _numlock_physical_mask = Mod2Mask; /* a guess, will be reset */
static GQuark spi_dec_private_quark = 0;
-int (*x_default_error_handler) (Display *display, XErrorEvent *error_event);
+static int (*x_default_error_handler) (Display *display, XErrorEvent *error_event);
typedef enum {
SPI_DEVICE_TYPE_KBD,
unsigned int xkb_latch_mask;
unsigned int pending_xkb_mod_relatch_mask;
XkbDescPtr xkb_desc;
+ KeyCode reserved_keycode;
+ KeySym reserved_keysym;
+ guint reserved_reset_timeout;
} DEControllerPrivateData;
static void spi_controller_register_with_devices (SpiDEController *controller);
static gboolean spi_controller_register_device_listener (SpiDEController *controller,
DEControllerListener *l,
CORBA_Environment *ev);
-static void spi_device_event_controller_forward_key_event (SpiDEController *controller,
+static gboolean spi_device_event_controller_forward_key_event (SpiDEController *controller,
const XEvent *event);
static void spi_deregister_controller_device_listener (SpiDEController *controller,
DEControllerListener *listener,
/* Private methods */
+static unsigned int
+keysym_mod_mask (KeySym keysym, KeyCode keycode)
+{
+ /* we really should use XKB and look directly at the keymap */
+ /* this is very inelegant */
+ Display *display = spi_get_display ();
+ unsigned int mods_rtn = 0;
+ unsigned int retval = 0;
+ KeySym sym_rtn;
+
+ if (XkbLookupKeySym (display, keycode, 0, &mods_rtn, &sym_rtn) &&
+ (sym_rtn == keysym)) {
+ retval = 0;
+ }
+ else if (XkbLookupKeySym (display, keycode, ShiftMask, &mods_rtn, &sym_rtn) &&
+ (sym_rtn == keysym)) {
+ retval = ShiftMask;
+ }
+ else if (XkbLookupKeySym (display, keycode, Mod2Mask, &mods_rtn, &sym_rtn) &&
+ (sym_rtn == keysym)) {
+ retval = Mod2Mask;
+ }
+ else if (XkbLookupKeySym (display, keycode, Mod3Mask, &mods_rtn, &sym_rtn) &&
+ (sym_rtn == keysym)) {
+ retval = Mod3Mask;
+ }
+ else if (XkbLookupKeySym (display, keycode,
+ ShiftMask | Mod2Mask, &mods_rtn, &sym_rtn) &&
+ (sym_rtn == keysym)) {
+ retval = (Mod2Mask | ShiftMask);
+ }
+ else if (XkbLookupKeySym (display, keycode,
+ ShiftMask | Mod3Mask, &mods_rtn, &sym_rtn) &&
+ (sym_rtn == keysym)) {
+ retval = (Mod3Mask | ShiftMask);
+ }
+ else if (XkbLookupKeySym (display, keycode,
+ ShiftMask | Mod4Mask, &mods_rtn, &sym_rtn) &&
+ (sym_rtn == keysym)) {
+ retval = (Mod4Mask | ShiftMask);
+ }
+ else
+ retval = 0xFFFF;
+ return retval;
+}
+
+static gboolean
+spi_dec_replace_map_keysym (DEControllerPrivateData *priv, KeyCode keycode, KeySym keysym)
+{
+#ifdef HAVE_XKB
+ Display *dpy = spi_get_display ();
+ XkbDescPtr desc;
+ if (!(desc = XkbGetMap (dpy, XkbAllMapComponentsMask, XkbUseCoreKbd)))
+ {
+ fprintf (stderr, "ERROR getting map\n");
+ }
+ XFlush (dpy);
+ XSync (dpy, False);
+ if (desc && desc->map)
+ {
+ gint offset = desc->map->key_sym_map[keycode].offset;
+ desc->map->syms[offset] = keysym;
+ }
+ else
+ {
+ fprintf (stderr, "Error changing key map: empty server structure\n");
+ }
+ XkbSetMap (dpy, XkbAllMapComponentsMask, desc);
+ /**
+ * FIXME: the use of XkbChangeMap, and the reuse of the priv->xkb_desc structure,
+ * would be far preferable.
+ * HOWEVER it does not seem to work using XFree 4.3.
+ **/
+ /* XkbChangeMap (dpy, priv->xkb_desc, priv->changes); */
+ XFlush (dpy);
+ XSync (dpy, False);
+ XkbFreeKeyboard (desc, 0, TRUE);
+
+ return TRUE;
+#else
+ return FALSE;
+#endif
+}
+
+static gboolean
+spi_dec_reset_reserved (gpointer data)
+{
+ DEControllerPrivateData *priv = data;
+ spi_dec_replace_map_keysym (priv, priv->reserved_keycode, priv->reserved_keysym);
+ priv->reserved_reset_timeout = 0;
+ return FALSE;
+}
+
static KeyCode
-keycode_for_keysym (long keysym)
+keycode_for_keysym (SpiDEController *controller, long keysym, unsigned int *modmask)
{
- return XKeysymToKeycode (spi_get_display (), (KeySym) keysym);
+ KeyCode keycode = 0;
+ keycode = XKeysymToKeycode (spi_get_display (), (KeySym) keysym);
+ if (!keycode)
+ {
+ DEControllerPrivateData *priv = (DEControllerPrivateData *)
+ g_object_get_qdata (G_OBJECT (controller), spi_dec_private_quark);
+ /* if there's no keycode available, fix it */
+ if (spi_dec_replace_map_keysym (priv, priv->reserved_keycode, keysym))
+ {
+ keycode = priv->reserved_keycode;
+ /*
+ * queue a timer to restore the old keycode. Ugly, but required
+ * due to races / asynchronous X delivery.
+ * Long-term fix is to extend the X keymap here instead of replace entries.
+ */
+ priv->reserved_reset_timeout = g_timeout_add (500, spi_dec_reset_reserved, priv);
+ }
+ *modmask = 0;
+ return keycode;
+ }
+ if (modmask)
+ *modmask = keysym_mod_mask (keysym, keycode);
+ return keycode;
}
static DEControllerGrabMask *
DEControllerPrivateData *priv =
g_object_get_qdata (G_OBJECT (controller), spi_dec_private_quark);
#ifdef SPI_XKB_DEBUG
- if (priv->xkb_latch_mask) fprintf (stderr, "unlatch pending! %x\n", mask);
+ if (priv->xkb_latch_mask) fprintf (stderr, "unlatch pending! %x\n",
+ priv->xkb_latch_mask);
#endif
priv->pending_xkb_mod_relatch_mask |= priv->xkb_latch_mask;
}
-static gint poll_count = 0;
-
+static void
+spi_dec_clear_unlatch_pending (SpiDEController *controller)
+{
+ DEControllerPrivateData *priv =
+ g_object_get_qdata (G_OBJECT (controller), spi_dec_private_quark);
+ priv->xkb_latch_mask = 0;
+}
+
static gboolean
spi_dec_button_update_and_emit (SpiDEController *controller,
guint mask_return)
#endif
snprintf (event_name, 22, "mouse:button:%d%c", button_number,
(is_down) ? 'p' : 'r');
- /* TODO: distinguish between physical and
+ /* TODO: FIXME distinguish between physical and
* logical buttons
*/
mouse_e.type = (is_down) ?
e.source = BONOBO_OBJREF (controller->registry->desktop);
e.detail1 = last_mouse_pos->x;
e.detail2 = last_mouse_pos->y;
- spi_init_any_nil (&e.any_data);
+ spi_init_any_nil (&e.any_data,
+ spi_accessible_new_return (atk_get_root (), FALSE, NULL),
+ Accessibility_ROLE_UNKNOWN,
+ "");
CORBA_exception_init (&ev);
if (!is_consumed)
{
}
else
spi_dec_set_unlatch_pending (controller, mask_return);
+
+ CORBA_free (e.any_data._value);
}
return TRUE;
}
int *x, int *y, gboolean *moved)
{
Accessibility_Event e;
+ Accessibility_EventDetails *details;
CORBA_Environment ev;
int win_x_return,win_y_return;
- int poll_count_modulus = 10;
unsigned int mask_return;
Window root_return, child_return;
Display *display = spi_get_display ();
while (spi_dec_button_update_and_emit (controller, mask_return));
}
- if (poll_count++ == poll_count_modulus) {
- poll_count = 0;
- e.type = "mouse:abs";
- e.source = BONOBO_OBJREF (controller->registry->desktop);
- e.detail1 = *x;
- e.detail2 = *y;
- spi_init_any_nil (&e.any_data);
- CORBA_exception_init (&ev);
- Accessibility_Registry_notifyEvent (BONOBO_OBJREF (controller->registry),
- &e,
- &ev);
- }
if (*x != last_mouse_pos->x || *y != last_mouse_pos->y)
{
+ e.type = "mouse:abs";
+ e.source = BONOBO_OBJREF (controller->registry->desktop);
+ e.detail1 = *x;
+ e.detail2 = *y;
+ spi_init_any_nil (&e.any_data,
+ spi_accessible_new_return (atk_get_root (), FALSE, NULL),
+ Accessibility_ROLE_UNKNOWN,
+ "");
+ CORBA_exception_init (&ev);
+ Accessibility_Registry_notifyEvent (BONOBO_OBJREF (controller->registry),
+ &e,
+ &ev);
+ details = e.any_data._value;
+ CORBA_free (details);
e.type = "mouse:rel";
e.source = BONOBO_OBJREF (controller->registry->desktop);
e.detail1 = *x - last_mouse_pos->x;
e.detail2 = *y - last_mouse_pos->y;
- spi_init_any_nil (&e.any_data);
+ spi_init_any_nil (&e.any_data,
+ spi_accessible_new_return (atk_get_root (), FALSE, NULL),
+ Accessibility_ROLE_UNKNOWN,
+ "");
CORBA_exception_init (&ev);
last_mouse_pos->x = *x;
last_mouse_pos->y = *y;
Accessibility_Registry_notifyEvent (BONOBO_OBJREF (controller->registry),
&e,
&ev);
+ details = e.any_data._value;
+ CORBA_free (details);
*moved = True;
}
else
fprintf (stderr, "MODIFIER CHANGE EVENT! %x to %x\n",
prev_mask, current_mask);
#endif
+
+ /* set bits for the virtual modifiers like NUMLOCK */
+ if (prev_mask & _numlock_physical_mask)
+ prev_mask |= SPI_KEYMASK_NUMLOCK;
+ if (current_mask & _numlock_physical_mask)
+ current_mask |= SPI_KEYMASK_NUMLOCK;
+
e.type = "keyboard:modifiers";
e.source = BONOBO_OBJREF (controller->registry->desktop);
e.detail1 = prev_mask & key_modifier_mask;
e.detail2 = current_mask & key_modifier_mask;
- spi_init_any_nil (&e.any_data);
+ spi_init_any_nil (&e.any_data,
+ spi_accessible_new_return (atk_get_root (), FALSE, NULL),
+ Accessibility_ROLE_UNKNOWN,
+ "");
CORBA_exception_init (&ev);
Accessibility_Registry_notifyEvent (BONOBO_OBJREF (controller->registry),
&e,
&ev);
+ CORBA_free (e.any_data._value);
}
static gboolean
}
}
+#ifdef WE_NEED_UGRAB_MOUSE
static int
spi_dec_ungrab_mouse (gpointer data)
{
}
return FALSE;
}
+#endif
static void
spi_dec_init_mouse_listener (SpiRegistry *registry)
{
+#ifdef GRAB_BUTTON
Display *display = spi_get_display ();
+#endif
g_timeout_add (100, spi_dec_poll_mouse_idle, registry);
+#ifdef GRAB_BUTTON
if (display)
{
- XGrabButton (display, AnyButton, AnyModifier,
- gdk_x11_get_default_root_xwindow (),
- True, ButtonPressMask | ButtonReleaseMask,
- GrabModeSync, GrabModeAsync, None, None);
+ if (XGrabButton (display, AnyButton, AnyModifier,
+ gdk_x11_get_default_root_xwindow (),
+ True, ButtonPressMask | ButtonReleaseMask,
+ GrabModeSync, GrabModeAsync, None, None) != Success) {
+#ifdef SPI_DEBUG
+ fprintf (stderr, "WARNING: could not grab mouse buttons!\n");
+#endif
+ ;
+ }
XSync (display, False);
#ifdef SPI_DEBUG
fprintf (stderr, "mouse buttons grabbed\n");
#endif
}
+#endif
+}
+
+/**
+ * Eventually we can use this to make the marshalling of mask types
+ * more sane, but for now we just use this to detect
+ * the use of 'virtual' masks such as numlock and convert them to
+ * system-specific mask values (i.e. ModMask).
+ *
+ **/
+static Accessibility_ControllerEventMask
+spi_dec_translate_mask (Accessibility_ControllerEventMask mask)
+{
+ Accessibility_ControllerEventMask tmp_mask;
+ gboolean has_numlock;
+
+ has_numlock = (mask & SPI_KEYMASK_NUMLOCK);
+ tmp_mask = mask;
+ if (has_numlock)
+ {
+ tmp_mask = mask ^ SPI_KEYMASK_NUMLOCK;
+ tmp_mask |= _numlock_physical_mask;
+ }
+
+ return tmp_mask;
}
static DEControllerKeyListener *
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->mask = spi_dec_translate_mask (mask);
key_listener->listener.typeseq = ORBit_copy_value (typeseq, TC_Accessibility_EventTypeSeq);
if (mode)
key_listener->mode = ORBit_copy_value (mode, TC_Accessibility_EventListenerMode);
DEControllerKeyListener *key_listener)
{
handle_keygrab (controller, key_listener, _register_keygrab);
- return spi_controller_update_key_grabs (controller, NULL);
+ if (controller->xevie_display == NULL)
+ return spi_controller_update_key_grabs (controller, NULL);
+ else
+ return TRUE;
}
static void
DEControllerKeyListener *key_listener)
{
handle_keygrab (controller, key_listener, _deregister_keygrab);
- spi_controller_update_key_grabs (controller, NULL);
+ if (controller->xevie_display == NULL)
+ spi_controller_update_key_grabs (controller, NULL);
}
static gboolean
GSList *notify = NULL, *l2;
GList **listeners = &controller->mouse_listeners;
gboolean is_consumed;
-
+#ifdef SPI_KEYEVENT_DEBUG
+ gboolean found = FALSE;
+#endif
if (!listeners)
{
return FALSE;
/* we clone (don't dup) the listener, to avoid refcount inc. */
notify = g_slist_prepend (notify,
spi_listener_clone (listener, ev));
+#ifdef SPI_KEYEVENT_DEBUG
+ found = TRUE;
+#endif
}
}
}
#ifdef SPI_KEYEVENT_DEBUG
- if (!notify)
+ if (!found)
{
g_print ("no match for event\n");
}
int button = xbutton_event->button;
unsigned int mouse_button_state = xbutton_event->state;
-
+
switch (button)
{
case 1:
snprintf (event_name, 22, "mouse:button:%d%c", button,
(xevent->type == ButtonPress) ? 'p' : 'r');
- /* TODO: distinguish between physical and logical buttons */
+ /* TODO: FIXME distinguish between physical and logical buttons */
mouse_e.type = (xevent->type == ButtonPress) ?
Accessibility_BUTTON_PRESSED_EVENT :
Accessibility_BUTTON_RELEASED_EVENT;
e.source = BONOBO_OBJREF (controller->registry->desktop);
e.detail1 = last_mouse_pos->x;
e.detail2 = last_mouse_pos->y;
- spi_init_any_nil (&e.any_data);
+ spi_init_any_nil (&e.any_data,
+ spi_accessible_new_return (atk_get_root (), FALSE, NULL),
+ Accessibility_ROLE_UNKNOWN,
+ "");
CORBA_exception_init (&ev);
Accessibility_Registry_notifyEvent (BONOBO_OBJREF (controller->registry),
&e,
&ev);
+ CORBA_free (e.any_data._value);
}
xkb_mod_unlatch_occurred = (xevent->type == ButtonPress ||
/* if client wants to consume this event, and XKB latch state was
* unset by this button event, we reset it
*/
- if (is_consumed && (xkb_mod_unlatch_occurred))
+ if (is_consumed && xkb_mod_unlatch_occurred)
spi_dec_set_unlatch_pending (controller, mouse_mask_state);
XAllowEvents (spi_get_display (),
if (xevent->type == KeyPress || xevent->type == KeyRelease)
{
- spi_device_event_controller_forward_key_event (controller, xevent);
+ if (controller->xevie_display == NULL)
+ {
+ gboolean is_consumed;
+
+ is_consumed =
+ spi_device_event_controller_forward_key_event (controller, xevent);
+
+ if (is_consumed)
+ {
+ int n_events;
+ int i;
+ XEvent next_event;
+ n_events = XPending (display);
+
+#ifdef SPI_KEYEVENT_DEBUG
+ g_print ("Number of events pending: %d\n", n_events);
+#endif
+ for (i = 0; i < n_events; i++)
+ {
+ XNextEvent (display, &next_event);
+ if (next_event.type != KeyPress &&
+ next_event.type != KeyRelease)
+ g_warning ("Unexpected event type %d in queue", next_event.type);
+ }
+
+ XAllowEvents (display, AsyncKeyboard, CurrentTime);
+ if (n_events)
+ XUngrabKeyboard (display, CurrentTime);
+ }
+ else
+ {
+ if (xevent->type == KeyPress)
+ wait_for_release_event (xevent, controller);
+ XAllowEvents (display, ReplayKeyboard, CurrentTime);
+ }
+ }
+
return GDK_FILTER_CONTINUE;
}
if (xevent->type == ButtonPress || xevent->type == ButtonRelease)
{
XkbAnyEvent * xkb_ev = (XkbAnyEvent *) xevent;
/* ugly but probably necessary...*/
- XSynchronize (spi_get_display (), TRUE);
+ XSynchronize (display, TRUE);
if (xkb_ev->xkb_type == XkbStateNotify)
{
&= ~(XkbAX_StickyKeysFBMask);
XkbChangeControls (display, priv->xkb_desc, &changes);
}
+ /* TODO: account for lock as well as latch */
XkbLatchModifiers (display,
XkbUseCoreKbd,
priv->pending_xkb_mod_relatch_mask,
}
else
DBG (2, g_warning ("XKB event %d\n", xkb_ev->xkb_type));
- XSynchronize (spi_get_display (), FALSE);
+ XSynchronize (display, FALSE);
}
return GDK_FILTER_CONTINUE;
}
-int
+static int
_spi_controller_device_error_handler (Display *display, XErrorEvent *error)
{
if (error->error_code == BadAccess)
g_object_get_qdata (G_OBJECT (controller), spi_dec_private_quark);
/* FIXME: should check for extension first! */
XTestGrabControl (spi_get_display (), True);
- priv->xkb_desc = XkbGetMap (spi_get_display (), 0, XkbUseCoreKbd);
/* calls to device-specific implementations and routines go here */
/* register with: keyboard hardware code handler */
&priv->xkb_base_error_code, NULL, NULL);
if (priv->have_xkb)
{
+ gint i;
+ guint64 reserved = 0;
+ priv->xkb_desc = XkbGetMap (spi_get_display (), XkbKeySymsMask, XkbUseCoreKbd);
XkbSelectEvents (spi_get_display (),
XkbUseCoreKbd,
XkbStateNotifyMask, XkbStateNotifyMask);
+ _numlock_physical_mask = XkbKeysymToModifiers (spi_get_display (),
+ XK_Num_Lock);
+ for (i = priv->xkb_desc->max_key_code; i >= priv->xkb_desc->min_key_code; --i)
+ {
+ if (priv->xkb_desc->map->key_sym_map[i].kt_index[0] == XkbOneLevelIndex)
+ {
+ if (XKeycodeToKeysym (spi_get_display (), i, 0) != 0)
+ {
+ /* don't use this one if there's a grab client! */
+ gdk_error_trap_push ();
+ XGrabKey (spi_get_display (), i, 0,
+ gdk_x11_get_default_root_xwindow (),
+ TRUE,
+ GrabModeSync, GrabModeSync);
+ XSync (spi_get_display (), TRUE);
+ XUngrabKey (spi_get_display (), i, 0,
+ gdk_x11_get_default_root_xwindow ());
+ if (!gdk_error_trap_pop ())
+ {
+ reserved = i;
+ break;
+ }
+ }
+ }
+ }
+ if (reserved)
+ {
+ priv->reserved_keycode = reserved;
+ priv->reserved_keysym = XKeycodeToKeysym (spi_get_display (), reserved, 0);
+ }
+ else
+ {
+ priv->reserved_keycode = XKeysymToKeycode (spi_get_display (), XK_numbersign);
+ priv->reserved_keysym = XK_numbersign;
+ }
+#ifdef SPI_RESERVED_DEBUG
+ unsigned sym = 0;
+ sym = XKeycodeToKeysym (spi_get_display (), reserved, 0);
+ fprintf (stderr, "%x\n", sym);
+ fprintf (stderr, "setting the reserved keycode to %d (%s)\n",
+ reserved,
+ XKeysymToString (XKeycodeToKeysym (spi_get_display (),
+ reserved, 0)));
+#endif
}
+
gdk_window_add_filter (NULL, global_filter_fn, controller);
gdk_window_set_events (gdk_get_default_root_window (),
for (i = 0; i < len; ++i)
{
#ifdef SPI_KEYEVENT_DEBUG
- g_print ("key_set[%d] = %d; key_event %d, code %d, string %s\n",
- i, (int) key_set->_buffer[i].keycode,
- (int) key_event->id, (int) key_event->hw_code,
- key_event->event_string);
+ g_print ("key_set[%d] event = %d, code = %d; key_event %d, code %d, string %s\n",
+ i,
+ (int)key_set->_buffer[i].keysym,
+ (int) key_set->_buffer[i].keycode,
+ (int) key_event->id,
+ (int) key_event->hw_code,
+ key_event->event_string);
#endif
if (key_set->_buffer[i].keysym == (CORBA_long) key_event->id)
{
return TRUE;
}
}
-
+
return FALSE;
}
DEControllerKeyListener *listener,
CORBA_boolean is_system_global)
{
- if ((key_event->modifiers == (CORBA_unsigned_short) (listener->mask & 0xFFFF)) &&
+ if (((key_event->modifiers & 0xFF) == (CORBA_unsigned_short) (listener->mask & 0xFF)) &&
spi_key_set_contains_key (listener->keys, key_event) &&
spi_eventtype_seq_contains_event (listener->listener.typeseq, key_event) &&
(is_system_global == listener->mode->global))
static gboolean
spi_controller_notify_keylisteners (SpiDEController *controller,
- const Accessibility_DeviceEvent *key_event,
+ Accessibility_DeviceEvent *key_event,
CORBA_boolean is_system_global,
CORBA_Environment *ev)
{
return FALSE;
}
+ /* set the NUMLOCK event mask bit if appropriate: see bug #143702 */
+ if (key_event->modifiers & _numlock_physical_mask)
+ key_event->modifiers |= SPI_KEYMASK_NUMLOCK;
+
for (l = *key_listeners; l; l = l->next)
{
DEControllerKeyListener *key_listener = l->data;
DEControllerKeyListener *key_listener = l2->data;
Accessibility_DeviceEventListener ls = key_listener->listener.object;
- is_consumed = Accessibility_DeviceEventListener_notifyEvent (ls, key_event, ev);
+ is_consumed = Accessibility_DeviceEventListener_notifyEvent (ls, key_event, ev) &&
+ key_listener->mode->preemptive;
if (BONOBO_EX (ev))
{
}
static gboolean
-spi_clear_error_state ()
+spi_clear_error_state (void)
{
gboolean retval = spi_error_code != 0;
spi_error_code = 0;
Accessibility_DeviceEvent key_event;
KeySym keysym;
const int cbuf_bytes = 20;
- char cbuf [cbuf_bytes];
-
- keysym = XLookupKeysym (x_key_event, 0);
+ char cbuf [21];
+ int nbytes;
+
+ nbytes = XLookupString (x_key_event, cbuf, cbuf_bytes, &keysym, NULL);
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;
+ key_event.type = Accessibility_KEY_PRESSED_EVENT;
}
else
{
- key_event.type = Accessibility_KEY_RELEASED;
+ key_event.type = Accessibility_KEY_RELEASED_EVENT;
}
key_event.modifiers = (CORBA_unsigned_short)(x_key_event->state);
key_event.is_text = CORBA_FALSE;
key_event.event_string = CORBA_string_dup ("space");
break;
case XK_Tab:
-#ifdef SPI_KEYEVENT_DEBUG
- fprintf(stderr, "Tab\n");
-#endif
key_event.event_string = CORBA_string_dup ("Tab");
break;
case XK_BackSpace:
key_event.event_string = CORBA_string_dup ("Right");
break;
default:
- if (XLookupString (x_key_event, cbuf, cbuf_bytes, &keysym, NULL) > 0)
+ if (nbytes > 0)
{
+ gunichar c;
+ cbuf[nbytes] = '\0'; /* OK since length is cbuf_bytes+1 */
key_event.event_string = CORBA_string_dup (cbuf);
- if (isgraph (keysym))
+ c = keysym2ucs (keysym);
+ if (c > 0 && !g_unichar_iscntrl (c))
{
- key_event.is_text = CORBA_TRUE; /* FIXME: incorrect for some composed chars? */
+ key_event.is_text = CORBA_TRUE;
+ /* incorrect for some composed chars? */
}
}
else
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);
+ {
+ char *pressed_str = "pressed";
+ char *released_str = "released";
+ char *state_ptr;
+
+ if (key_event.type == Accessibility_KEY_PRESSED_EVENT)
+ state_ptr = pressed_str;
+ else
+ state_ptr = released_str;
+
+ fprintf (stderr,
+ "Key %lu %s (%c), modifiers %d; string=%s [%x] %s\n",
+ (unsigned long) keysym,
+ state_ptr,
+ keysym ? (int) keysym : '*',
+ (int) x_key_event->state,
+ key_event.event_string,
+ key_event.event_string[0],
+ (key_event.is_text == CORBA_TRUE) ? "(text)" : "(not text)");
+ }
#endif
#ifdef SPI_DEBUG
- fprintf (stderr, "%s%c",
+ fprintf (stderr, "%s%c\n",
(x_key_event->state & Mod1Mask)?"Alt-":"",
((x_key_event->state & ShiftMask)^(x_key_event->state & LockMask))?
g_ascii_toupper (keysym) : g_ascii_tolower (keysym));
+ fprintf (stderr, "serial: %x Time: %x\n", x_key_event->serial, x_key_event->time);
#endif /* SPI_DEBUG */
return key_event;
}
{
GList *l, *next;
gboolean update_failed = FALSE;
+ KeyCode keycode = 0;
g_return_val_if_fail (controller != NULL, FALSE);
*
* ControlMask grabs are broken, must be in use already
*/
+ if (recv)
+ keycode = keycode_for_keysym (controller, recv->id, NULL);
for (l = controller->keygrabs_list; l; l = next)
{
gboolean do_remove;
next = l->next;
re_issue_grab = recv &&
-/* (recv->type == Accessibility_KEY_RELEASED) && - (?) */
(recv->modifiers & grab_mask->mod_mask) &&
- (grab_mask->key_val == keycode_for_keysym (recv->id));
+ (grab_mask->key_val == keycode);
#ifdef SPI_DEBUG
fprintf (stderr, "mask=%lx %lx (%c%c) %s\n",
/* disconnect any special listeners, get rid of outstanding keygrabs */
XUngrabKey (spi_get_display (), AnyKey, AnyModifier, DefaultRootWindow (spi_get_display ()));
+#ifdef HAVE_XEVIE
+ if (controller->xevie_display != NULL)
+ {
+ XevieEnd(controller->xevie_display);
+#ifdef SPI_KEYEVENT_DEBUG
+ printf("XevieEnd(dpy) finished \n");
+#endif
+ }
+#endif
+
private = g_object_get_data (G_OBJECT (controller), "spi-dec-private");
if (private->xkb_desc)
XkbFreeKeyboard (private->xkb_desc, 0, True);
}
XTestFakeKeyEvent (spi_get_display (), keycode, True, time);
priv->last_press_keycode = keycode;
+ XFlush (spi_get_display ());
XSync (spi_get_display (), False);
gettimeofday (&priv->last_press_time, NULL);
return TRUE;
return TRUE;
}
+static unsigned
+dec_get_modifier_state (SpiDEController *controller)
+{
+ return mouse_mask_state;
+}
+
+static gboolean
+dec_lock_modifiers (SpiDEController *controller, unsigned modifiers)
+{
+ return XkbLockModifiers (spi_get_display (), XkbUseCoreKbd,
+ modifiers, modifiers);
+}
+
+static gboolean
+dec_unlock_modifiers (SpiDEController *controller, unsigned modifiers)
+{
+ return XkbLockModifiers (spi_get_display (), XkbUseCoreKbd,
+ modifiers, 0);
+}
+
+static KeySym
+dec_keysym_for_unichar (SpiDEController *controller, gunichar unichar)
+{
+ return ucs2keysym ((long) unichar);
+}
+
+static gboolean
+dec_synth_keysym (SpiDEController *controller, KeySym keysym)
+{
+ KeyCode key_synth_code;
+ unsigned int modifiers, synth_mods, lock_mods;
+
+ key_synth_code = keycode_for_keysym (controller, keysym, &synth_mods);
+
+ if ((key_synth_code == 0) || (synth_mods == 0xFF)) return FALSE;
+
+ /* TODO: set the modifiers accordingly! */
+ modifiers = dec_get_modifier_state (controller);
+ /* side-effect; we may unset mousebutton modifiers here! */
+
+ lock_mods = 0;
+ if (synth_mods != modifiers) {
+ lock_mods = synth_mods & ~modifiers;
+ dec_lock_modifiers (controller, lock_mods);
+ }
+ dec_synth_keycode_press (controller, key_synth_code);
+ dec_synth_keycode_release (controller, key_synth_code);
+
+ if (synth_mods != modifiers)
+ dec_unlock_modifiers (controller, lock_mods);
+ return TRUE;
+}
+
+
+static gboolean
+dec_synth_keystring (SpiDEController *controller, const CORBA_char *keystring)
+{
+ /* probably we need to create and inject an XIM handler eventually. */
+ /* for now, try to match the string to existing
+ * keycode+modifier states.
+ */
+ KeySym *keysyms;
+ gint maxlen = 0;
+ gunichar unichar = 0;
+ gint i = 0;
+ gboolean retval = TRUE;
+ const gchar *c;
+
+ maxlen = strlen (keystring);
+ keysyms = g_new0 (KeySym, maxlen);
+ if (!(keystring && *keystring && g_utf8_validate (keystring, -1, &c))) {
+ retval = FALSE;
+ }
+ else {
+#ifdef SPI_DEBUG
+ fprintf (stderr, "[keystring synthesis attempted on %s]\n", keystring);
+#endif
+ while (keystring && (unichar = g_utf8_get_char (keystring))) {
+ KeySym keysym;
+ char bytes[6];
+ gint mbytes;
+
+ mbytes = g_unichar_to_utf8 (unichar, bytes);
+ bytes[mbytes] = '\0';
+#ifdef SPI_DEBUG
+ fprintf (stderr, "[unichar %s]", bytes);
+#endif
+ keysym = dec_keysym_for_unichar (controller, unichar);
+ if (keysym == NoSymbol) {
+#ifdef SPI_DEBUG
+ fprintf (stderr, "no keysym for %s", bytes);
+#endif
+ retval = FALSE;
+ break;
+ }
+ keysyms[i++] = keysym;
+ keystring = g_utf8_next_char (keystring);
+ }
+ keysyms[i++] = 0;
+ XSynchronize (spi_get_display (), TRUE);
+ for (i = 0; keysyms[i]; ++i) {
+ if (!dec_synth_keysym (controller, keysyms[i])) {
+#ifdef SPI_DEBUG
+ fprintf (stderr, "could not synthesize %c\n",
+ (int) keysyms[i]);
+#endif
+ retval = FALSE;
+ break;
+ }
+ }
+ XSynchronize (spi_get_display (), FALSE);
+ }
+ g_free (keysyms);
+
+ return retval;
+}
+
+
/*
* CORBA Accessibility::DEController::registerKeystrokeListener
* method implementation
{
SpiDEController *controller =
SPI_DEVICE_EVENT_CONTROLLER (bonobo_object (servant));
- DEControllerPrivateData *priv;
- long key_synth_code;
- unsigned int slow_keys_delay;
- unsigned int press_time;
- unsigned int release_time;
+ gint err;
+ KeySym keysym;
#ifdef SPI_DEBUG
fprintf (stderr, "synthesizing keystroke %ld, type %d\n",
* and fall back to XSendEvent() if XTest is not available.
*/
- /* TODO: implement keystring mode also */
gdk_error_trap_push ();
- key_synth_code = keycode;
switch (synth_type)
{
#ifdef SPI_XKB_DEBUG
fprintf (stderr, "KeySym synthesis\n");
#endif
- key_synth_code = keycode_for_keysym (keycode);
- dec_synth_keycode_press (controller, key_synth_code);
- dec_synth_keycode_release (controller, key_synth_code);
+ /*
+ * note: we are using long for 'keycode'
+ * in our arg list; it can contain either
+ * a keycode or a keysym.
+ */
+ dec_synth_keysym (controller, (KeySym) keycode);
break;
case Accessibility_KEY_STRING:
- fprintf (stderr, "Not yet implemented\n");
+ if (!dec_synth_keystring (controller, keystring))
+ fprintf (stderr, "Keystring synthesis failure, string=%s\n",
+ keystring);
break;
}
- if (gdk_error_trap_pop ())
+ if ((err = gdk_error_trap_pop ()))
{
- DBG (-1, g_warning ("Error emitting keystroke"));
+ DBG (-1, g_warning ("Error [%d] emitting keystroke", err));
+ }
+ if (synth_type == Accessibility_KEY_SYM) {
+ keysym = keycode;
+ }
+ else {
+ keysym = XkbKeycodeToKeysym (spi_get_display (), keycode, 0, 0);
+ }
+ if (XkbKeysymToModifiers (spi_get_display (), keysym) == 0)
+ {
+ spi_dec_clear_unlatch_pending (controller);
}
}
const CORBA_char *eventName,
CORBA_Environment *ev)
{
- int button;
+ int button = 0;
gboolean error = FALSE;
Display *display = spi_get_display ();
#ifdef SPI_DEBUG
case '3':
button = 3;
break;
+ case '4':
+ button = 4;
+ break;
+ case '5':
+ button = 5;
+ break;
default:
error = TRUE;
}
g_print ("notifylistening listeners synchronously: controller %p, event id %d\n",
controller, (int) event->id);
#endif
- return spi_controller_notify_keylisteners (controller, event, CORBA_FALSE, ev) ?
+ return spi_controller_notify_keylisteners (controller,
+ (Accessibility_DeviceEvent *)
+ event, CORBA_FALSE, ev) ?
CORBA_TRUE : CORBA_FALSE;
}
#ifdef SPI_DEBUG
fprintf (stderr, "notifying listeners asynchronously\n");
#endif
- spi_controller_notify_keylisteners (controller, event, CORBA_FALSE, ev);
+ spi_controller_notify_keylisteners (controller, (Accessibility_DeviceEvent *)
+ event, CORBA_FALSE, ev);
}
static void
spi_dec_private_quark = g_quark_from_static_string ("spi-dec-private");
}
+#ifdef HAVE_XEVIE
+static Bool isEvent(Display *dpy, XEvent *event, char *arg)
+{
+ return TRUE;
+}
+
+static gboolean
+handle_io (GIOChannel *source,
+ GIOCondition condition,
+ gpointer data)
+{
+ SpiDEController *controller = (SpiDEController *) data;
+ gboolean is_consumed = FALSE;
+ XEvent ev;
+
+ while (XCheckIfEvent(controller->xevie_display, &ev, isEvent, NULL))
+ {
+ if (ev.type == KeyPress || ev.type == KeyRelease)
+ is_consumed = spi_device_event_controller_forward_key_event (controller, &ev);
+
+ if (! is_consumed)
+ XevieSendEvent(controller->xevie_display, &ev, XEVIE_UNMODIFIED);
+ }
+
+ return TRUE;
+}
+#endif /* HAVE_XEVIE */
+
static void
spi_device_event_controller_init (SpiDEController *device_event_controller)
{
+#ifdef HAVE_XEVIE
+ GIOChannel *ioc;
+ int fd;
+#endif /* HAVE_XEVIE */
+
DEControllerPrivateData *private;
device_event_controller->key_listeners = NULL;
device_event_controller->mouse_listeners = NULL;
device_event_controller->keygrabs_list = NULL;
+ device_event_controller->xevie_display = NULL;
+
+#ifdef HAVE_XEVIE
+ device_event_controller->xevie_display = XOpenDisplay(NULL);
+
+ if (XevieStart(device_event_controller->xevie_display) == TRUE)
+ {
+#ifdef SPI_KEYEVENT_DEBUG
+ fprintf (stderr, "XevieStart() success \n");
+#endif
+ XevieSelectInput(device_event_controller->xevie_display, KeyPressMask | KeyReleaseMask);
+
+ fd = ConnectionNumber(device_event_controller->xevie_display);
+ ioc = g_io_channel_unix_new (fd);
+ g_io_add_watch (ioc, G_IO_IN | G_IO_HUP, handle_io, device_event_controller);
+ g_io_channel_unref (ioc);
+ }
+ else
+ {
+ device_event_controller->xevie_display = NULL;
+#ifdef SPI_KEYEVENT_DEBUG
+ fprintf (stderr, "XevieStart() failed, only one client is allowed to do event int exception\n");
+#endif
+ }
+#endif /* HAVE_XEVIE */
- /*
- * 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);
-
private = g_new0 (DEControllerPrivateData, 1);
gettimeofday (&private->last_press_time, NULL);
gettimeofday (&private->last_release_time, NULL);
spi_controller_register_with_devices (device_event_controller);
}
-static void
+static gboolean
spi_device_event_controller_forward_key_event (SpiDEController *controller,
const XEvent *event)
{
- gboolean is_consumed = FALSE;
CORBA_Environment ev;
Accessibility_DeviceEvent key_event;
+ gboolean ret;
g_assert (event->type == KeyPress || event->type == KeyRelease);
key_event = spi_keystroke_from_x_key_event ((XKeyEvent *) event);
- spi_controller_update_key_grabs (controller, &key_event);
+ if (controller->xevie_display == NULL)
+ spi_controller_update_key_grabs (controller, &key_event);
/* relay to listeners, and decide whether to consume it or not */
- is_consumed = spi_controller_notify_keylisteners (
- controller, &key_event, CORBA_TRUE, &ev);
-
- if (is_consumed)
- {
- XAllowEvents (spi_get_display (), AsyncKeyboard, CurrentTime);
- }
- else
- {
- XAllowEvents (spi_get_display (), ReplayKeyboard, CurrentTime);
- }
+ ret = spi_controller_notify_keylisteners (controller, &key_event, CORBA_TRUE, &ev);
+ CORBA_free(key_event.event_string);
+ return ret;
}
SpiDEController *
{
SpiDEController *retval = g_object_new (
SPI_DEVICE_EVENT_CONTROLLER_TYPE, NULL);
- DEControllerPrivateData *private;
retval->registry = SPI_REGISTRY (bonobo_object_ref (
BONOBO_OBJECT (registry)));
return retval;
}
+static gboolean
+is_key_released (KeyCode code)
+{
+ char keys[32];
+ int down;
+
+ XQueryKeymap (spi_get_display (), keys);
+ down = BIT (keys, code);
+ return (down == 0);
+}
+
+static gboolean
+check_release (gpointer data)
+{
+ gboolean released;
+ Accessibility_DeviceEvent *event = (Accessibility_DeviceEvent *)data;
+ KeyCode code = event->hw_code;
+ CORBA_Environment ev;
+
+ released = is_key_released (code);
+
+ if (released)
+ {
+ check_release_handler = 0;
+ event->type = Accessibility_KEY_RELEASED_EVENT;
+ ev._major = CORBA_NO_EXCEPTION;
+ spi_controller_notify_keylisteners (saved_controller, event, CORBA_TRUE, &ev);
+ }
+ return (released == 0);
+}
+
+static void wait_for_release_event (XEvent *event,
+ SpiDEController *controller)
+{
+ pressed_event = spi_keystroke_from_x_key_event ((XKeyEvent *) event);
+ saved_controller = controller;
+ check_release_handler = g_timeout_add (CHECK_RELEASE_DELAY, check_release, &pressed_event);
+}
+
BONOBO_TYPE_FUNC_FULL (SpiDEController,
Accessibility_DeviceEventController,
PARENT_TYPE,
- spi_device_event_controller);
+ spi_device_event_controller)
projects / platform / core / uifw / at-spi2-atk.git / blobdiff