-/*
- * AT-SPI - Assistive Technology Service Provider Interface
+/* AT-SPI - Assistive Technology Service Provider Interface
+ *
* (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
*
- * Copyright 2001 Sun Microsystems Inc.
+ * Copyright 2001, 2002 Sun Microsystems Inc.,
+ * Copyright 2001, 2002 Ximian, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* Boston, MA 02111-1307, USA.
*/
-/* deviceeventcontroler.c: implement the DeviceEventController interface */
+/* deviceeventcontroller.c: implement the DeviceEventController interface */
#include <config.h>
-#undef SPI_DEBUG
+#undef SPI_XKB_DEBUG
+#undef SPI_DEBUG
+#undef SPI_KEYEVENT_DEBUG
-#ifdef SPI_DEBUG
-# include <stdio.h>
-#endif
+#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
#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 int spi_error_code = 0;
+static GdkPoint last_mouse_pos_static = {0, 0};
+static GdkPoint *last_mouse_pos = &last_mouse_pos_static;
+static unsigned int mouse_mask_state = 0;
+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;
-static gboolean kbd_registered = FALSE;
+static GQuark spi_dec_private_quark = 0;
-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;
+ Accessibility_EventTypeSeq *typeseq;
+} DEControllerListener;
-struct _DEControllerKeyListener {
+typedef struct {
DEControllerListener listener;
- Accessibility_KeySet *keys;
+
+ Accessibility_KeySet *keys;
Accessibility_ControllerEventMask mask;
- Accessibility_KeyEventTypeSeq *typeseq;
- Accessibility_EventListenerMode *mode;
-};
+ Accessibility_EventListenerMode *mode;
+} DEControllerKeyListener;
+
+typedef struct {
+ unsigned int last_press_keycode;
+ unsigned int last_release_keycode;
+ struct timeval last_press_time;
+ struct timeval last_release_time;
+ int have_xkb;
+ int xkb_major_extension_opcode;
+ int xkb_base_event_code;
+ int xkb_base_error_code;
+ unsigned int xkb_latch_mask;
+ unsigned int pending_xkb_mod_relatch_mask;
+ XkbDescPtr xkb_desc;
+} DEControllerPrivateData;
+
+static void spi_controller_register_with_devices (SpiDEController *controller);
+static gboolean spi_controller_update_key_grabs (SpiDEController *controller,
+ Accessibility_DeviceEvent *recv);
+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,
+ const XEvent *event);
+static void spi_deregister_controller_device_listener (SpiDEController *controller,
+ DEControllerListener *listener,
+ CORBA_Environment *ev);
+static void spi_deregister_controller_key_listener (SpiDEController *controller,
+ DEControllerKeyListener *key_listener,
+ CORBA_Environment *ev);
+static gboolean spi_controller_notify_mouselisteners (SpiDEController *controller,
+ const Accessibility_DeviceEvent *event,
+ CORBA_Environment *ev);
+
+static gboolean spi_eventtype_seq_contains_event (Accessibility_EventTypeSeq *type_seq,
+ const Accessibility_DeviceEvent *event);
+static gboolean spi_clear_error_state (void);
+static gboolean spi_dec_poll_mouse_moved (gpointer data);
+static gboolean spi_dec_poll_mouse_moving (gpointer data);
+static gboolean spi_dec_poll_mouse_idle (gpointer data);
+
+#define spi_get_display() GDK_DISPLAY()
+
+/* Private methods */
+
+static KeyCode
+keycode_for_keysym (long keysym)
+{
+ return XKeysymToKeycode (spi_get_display (), (KeySym) keysym);
+}
-typedef struct _DEControllerKeyListener DEControllerKeyListener;
+static DEControllerGrabMask *
+spi_grab_mask_clone (DEControllerGrabMask *grab_mask)
+{
+ DEControllerGrabMask *clone = g_new (DEControllerGrabMask, 1);
-static gboolean spi_controller_register_with_devices (SpiDeviceEventController *controller);
-static gboolean spi_controller_grab_keyboard (SpiDeviceEventController *controller);
+ memcpy (clone, grab_mask, sizeof (DEControllerGrabMask));
-static void spi_controller_register_device_listener (SpiDeviceEventController *controller,
- DEControllerListener *l,
- CORBA_Environment *ev);
+ clone->ref_count = 1;
+ clone->pending_add = TRUE;
+ clone->pending_remove = FALSE;
-/*
- * Private methods
- */
+ return clone;
+}
-static Display *
-spi_get_display (void )
+static void
+spi_grab_mask_free (DEControllerGrabMask *grab_mask)
+{
+ g_free (grab_mask);
+}
+
+static gint
+spi_grab_mask_compare_values (gconstpointer p1, gconstpointer p2)
+{
+ DEControllerGrabMask *l1 = (DEControllerGrabMask *) p1;
+ DEControllerGrabMask *l2 = (DEControllerGrabMask *) p2;
+
+ if (p1 == p2)
+ {
+ return 0;
+ }
+ else
+ {
+ return ((l1->mod_mask != l2->mod_mask) || (l1->key_val != l2->key_val));
+ }
+}
+
+static void
+spi_dec_set_unlatch_pending (SpiDEController *controller, unsigned mask)
{
- 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.
- */
+ 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);
+#endif
+ priv->pending_xkb_mod_relatch_mask |= priv->xkb_latch_mask;
+}
- if (!display)
- {
- display = XOpenDisplay (g_getenv ("DISPLAY"));
- }
- return display;
+static gboolean
+spi_dec_button_update_and_emit (SpiDEController *controller,
+ guint mask_return)
+{
+ CORBA_Environment ev;
+ Accessibility_Event e;
+ Accessibility_DeviceEvent mouse_e;
+ gchar event_name[24];
+ gboolean is_consumed = FALSE;
+
+ if ((mask_return & mouse_button_mask) !=
+ (mouse_mask_state & mouse_button_mask))
+ {
+ int button_number = 0;
+ gboolean is_down = False;
+
+ if (!(mask_return & Button1Mask) &&
+ (mouse_mask_state & Button1Mask))
+ {
+ mouse_mask_state &= ~Button1Mask;
+ button_number = 1;
+ }
+ else if ((mask_return & Button1Mask) &&
+ !(mouse_mask_state & Button1Mask))
+ {
+ mouse_mask_state |= Button1Mask;
+ button_number = 1;
+ is_down = True;
+ }
+ else if (!(mask_return & Button2Mask) &&
+ (mouse_mask_state & Button2Mask))
+ {
+ mouse_mask_state &= ~Button2Mask;
+ button_number = 2;
+ }
+ else if ((mask_return & Button2Mask) &&
+ !(mouse_mask_state & Button2Mask))
+ {
+ mouse_mask_state |= Button2Mask;
+ button_number = 2;
+ is_down = True;
+ }
+ else if (!(mask_return & Button3Mask) &&
+ (mouse_mask_state & Button3Mask))
+ {
+ mouse_mask_state &= ~Button3Mask;
+ button_number = 3;
+ }
+ else if ((mask_return & Button3Mask) &&
+ !(mouse_mask_state & Button3Mask))
+ {
+ mouse_mask_state |= Button3Mask;
+ button_number = 3;
+ is_down = True;
+ }
+ else if (!(mask_return & Button4Mask) &&
+ (mouse_mask_state & Button4Mask))
+ {
+ mouse_mask_state &= ~Button4Mask;
+ button_number = 4;
+ }
+ else if ((mask_return & Button4Mask) &&
+ !(mouse_mask_state & Button4Mask))
+ {
+ mouse_mask_state |= Button4Mask;
+ button_number = 4;
+ is_down = True;
+ }
+ else if (!(mask_return & Button5Mask) &&
+ (mouse_mask_state & Button5Mask))
+ {
+ mouse_mask_state &= ~Button5Mask;
+ button_number = 5;
+ }
+ else if ((mask_return & Button5Mask) &&
+ !(mouse_mask_state & Button5Mask))
+ {
+ mouse_mask_state |= Button5Mask;
+ button_number = 5;
+ is_down = True;
+ }
+ if (button_number) {
+#ifdef SPI_DEBUG
+ fprintf (stderr, "Button %d %s\n",
+ button_number, (is_down) ? "Pressed" : "Released");
+#endif
+ snprintf (event_name, 22, "mouse:button:%d%c", button_number,
+ (is_down) ? 'p' : 'r');
+ /* TODO: distinguish between physical and
+ * logical buttons
+ */
+ mouse_e.type = (is_down) ?
+ Accessibility_BUTTON_PRESSED_EVENT :
+ Accessibility_BUTTON_RELEASED_EVENT;
+ mouse_e.id = button_number;
+ mouse_e.hw_code = button_number;
+ mouse_e.modifiers = (CORBA_unsigned_short) mouse_mask_state;
+ mouse_e.timestamp = 0;
+ mouse_e.event_string = "";
+ mouse_e.is_text = CORBA_FALSE;
+ is_consumed =
+ spi_controller_notify_mouselisteners (controller,
+ &mouse_e,
+ &ev);
+ e.type = event_name;
+ 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);
+ CORBA_exception_init (&ev);
+ if (!is_consumed)
+ {
+ Accessibility_Registry_notifyEvent (BONOBO_OBJREF (controller->registry),
+ &e,
+ &ev);
+ }
+ else
+ spi_dec_set_unlatch_pending (controller, mask_return);
+ }
+ return TRUE;
+ }
+ else
+ {
+ return FALSE;
+ }
}
-static DEControllerGrabMask *
-spi_grabmask_clone (DEControllerGrabMask *grabmask)
+
+static guint
+spi_dec_mouse_check (SpiDEController *controller,
+ int *x, int *y, gboolean *moved)
{
- DEControllerGrabMask *clone = g_new0 (DEControllerGrabMask, 1);
- memcpy (clone, grabmask, sizeof (DEControllerGrabMask));
- return clone;
+ Accessibility_Event e;
+ CORBA_Environment ev;
+ int win_x_return,win_y_return;
+ unsigned int mask_return;
+ Window root_return, child_return;
+ Display *display = spi_get_display ();
+
+ if (display != NULL)
+ XQueryPointer(display, DefaultRootWindow (display),
+ &root_return, &child_return,
+ x, y,
+ &win_x_return, &win_y_return, &mask_return);
+ /*
+ * Since many clients grab the pointer, and X goes an automatic
+ * pointer grab on mouse-down, we often must detect mouse button events
+ * by polling rather than via a button grab.
+ * The while loop (rather than if) is used since it's possible that
+ * multiple buttons have changed state since we last checked.
+ */
+ if (mask_return != mouse_mask_state)
+ {
+ while (spi_dec_button_update_and_emit (controller, mask_return));
+ }
+
+ 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);
+ CORBA_exception_init (&ev);
+ Accessibility_Registry_notifyEvent (BONOBO_OBJREF (controller->registry),
+ &e,
+ &ev);
+ 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);
+ CORBA_exception_init (&ev);
+ last_mouse_pos->x = *x;
+ last_mouse_pos->y = *y;
+ Accessibility_Registry_notifyEvent (BONOBO_OBJREF (controller->registry),
+ &e,
+ &ev);
+ *moved = True;
+ }
+ else
+ {
+ *moved = False;
+ }
+
+ return mask_return;
}
-static gint
-spi_compare_corba_objects (gconstpointer p1, gconstpointer p2)
+static void
+spi_dec_emit_modifier_event (SpiDEController *controller, guint prev_mask,
+ guint current_mask)
{
+ Accessibility_Event e;
CORBA_Environment ev;
- gint retval;
- retval = !CORBA_Object_is_equivalent ((CORBA_Object) p1, (CORBA_Object) p2, &ev);
-#ifdef SPI_DEBUG
- fprintf (stderr, "comparing %p to %p; result %d\n",
- p1, p2,
- retval);
+#ifdef SPI_XKB_DEBUG
+ fprintf (stderr, "MODIFIER CHANGE EVENT! %x to %x\n",
+ prev_mask, current_mask);
#endif
- return retval;
+ 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);
+ CORBA_exception_init (&ev);
+ Accessibility_Registry_notifyEvent (BONOBO_OBJREF (controller->registry),
+ &e,
+ &ev);
}
-static gint
-spi_compare_listeners (gconstpointer p1, gconstpointer p2)
+static gboolean
+spi_dec_poll_mouse_moved (gpointer data)
{
- DEControllerListener *l1 = (DEControllerListener *) p1;
- DEControllerListener *l2 = (DEControllerListener *) p2;
- return spi_compare_corba_objects (l1->object, l2->object);
+ SpiRegistry *registry = SPI_REGISTRY (data);
+ SpiDEController *controller = registry->de_controller;
+ int x, y;
+ gboolean moved;
+ guint mask_return;
+
+ mask_return = spi_dec_mouse_check (controller, &x, &y, &moved);
+
+ if ((mask_return & key_modifier_mask) !=
+ (mouse_mask_state & key_modifier_mask))
+ {
+ spi_dec_emit_modifier_event (controller, mouse_mask_state, mask_return);
+ mouse_mask_state = mask_return;
+ }
+
+ return moved;
}
-static gint
-spi_grabmask_compare_values (gconstpointer p1, gconstpointer p2)
+static gboolean
+spi_dec_poll_mouse_idle (gpointer data)
{
- DEControllerGrabMask *l1;
- DEControllerGrabMask *l2;
- if (p1 == p2)
+ if (! spi_dec_poll_mouse_moved (data))
+ return TRUE;
+ else
{
- return 0;
+ g_timeout_add (20, spi_dec_poll_mouse_moving, data);
+ return FALSE;
}
+}
+
+static gboolean
+spi_dec_poll_mouse_moving (gpointer data)
+{
+ if (spi_dec_poll_mouse_moved (data))
+ return TRUE;
else
- {
- l1 = (DEControllerGrabMask *) p1;
- l2 = (DEControllerGrabMask *) p2;
- return ((l1->modmask != l2->modmask) || (l1->keyval != l2->keyval));
+ {
+ g_timeout_add (100, spi_dec_poll_mouse_idle, data);
+ return FALSE;
+ }
+}
+
+static int
+spi_dec_ungrab_mouse (gpointer data)
+{
+ Display *display = spi_get_display ();
+ if (display)
+ {
+ XUngrabButton (spi_get_display (), AnyButton, AnyModifier,
+ XDefaultRootWindow (spi_get_display ()));
+ }
+ return FALSE;
+}
+
+static void
+spi_dec_init_mouse_listener (SpiRegistry *registry)
+{
+ Display *display = spi_get_display ();
+ g_timeout_add (100, spi_dec_poll_mouse_idle, registry);
+
+ if (display)
+ {
+ XGrabButton (display, AnyButton, AnyModifier,
+ gdk_x11_get_default_root_xwindow (),
+ True, ButtonPressMask | ButtonReleaseMask,
+ GrabModeSync, GrabModeAsync, None, None);
+ XSync (display, False);
+#ifdef SPI_DEBUG
+ fprintf (stderr, "mouse buttons grabbed\n");
+#endif
}
}
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 Accessibility_EventListenerMode *mode,
- CORBA_Environment *ev)
+ const Accessibility_EventTypeSeq *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->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);
+ key_listener->listener.typeseq = ORBit_copy_value (typeseq, TC_Accessibility_EventTypeSeq);
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) mode->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 DEControllerListener *
+spi_dec_listener_new (CORBA_Object l,
+ const Accessibility_EventTypeSeq *typeseq,
+ CORBA_Environment *ev)
+{
+ DEControllerListener *listener = g_new0 (DEControllerListener, 1);
+ listener->object = bonobo_object_dup_ref (l, ev);
+ listener->type = SPI_DEVICE_TYPE_MOUSE;
+ listener->typeseq = ORBit_copy_value (typeseq, TC_Accessibility_EventTypeSeq);
+ return listener;
+}
+
+static DEControllerListener *
+spi_listener_clone (DEControllerListener *listener, CORBA_Environment *ev)
+{
+ DEControllerListener *clone = g_new0 (DEControllerListener, 1);
+ clone->object =
+ CORBA_Object_duplicate (listener->object, ev);
+ clone->type = listener->type;
+ clone->typeseq = ORBit_copy_value (listener->typeseq, TC_Accessibility_EventTypeSeq);
+ return clone;
+}
+
+static DEControllerKeyListener *
+spi_key_listener_clone (DEControllerKeyListener *key_listener, CORBA_Environment *ev)
+{
+ DEControllerKeyListener *clone = g_new0 (DEControllerKeyListener, 1);
+ clone->listener.object =
+ CORBA_Object_duplicate (key_listener->listener.object, ev);
+ clone->listener.type = SPI_DEVICE_TYPE_KBD;
+ clone->keys = ORBit_copy_value (key_listener->keys, TC_Accessibility_KeySet);
+ clone->mask = key_listener->mask;
+ clone->listener.typeseq = ORBit_copy_value (key_listener->listener.typeseq, TC_Accessibility_EventTypeSeq);
+ if (key_listener->mode)
+ clone->mode = ORBit_copy_value (key_listener->mode, TC_Accessibility_EventListenerMode);
+ else
+ clone->mode = NULL;
+ return clone;
+}
+
static void
-spi_dec_key_listener_free (DEControllerKeyListener *key_listener, CORBA_Environment *ev)
+spi_key_listener_data_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->listener.typeseq);
CORBA_free (key_listener->keys);
g_free (key_listener);
}
static void
-spi_controller_deregister_global_keygrabs (SpiDeviceEventController *controller,
- DEControllerKeyListener *key_listener)
+spi_key_listener_clone_free (DEControllerKeyListener *clone, CORBA_Environment *ev)
{
- GList *list_ptr;
- DEControllerGrabMask *mask_ptr;
- /* TODO: implement this! Also remember to release any keygrabs still held */
- ;
+ CORBA_Object_release (clone->listener.object, ev);
+ spi_key_listener_data_free (clone, ev);
}
static void
-spi_controller_register_global_keygrabs (SpiDeviceEventController *controller,
- DEControllerKeyListener *key_listener)
+spi_listener_clone_free (DEControllerListener *clone, CORBA_Environment *ev)
{
- 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 */
+ CORBA_Object_release (clone->object, ev);
+ CORBA_free (clone->typeseq);
+ g_free (clone);
+}
+
+static void
+spi_dec_listener_free (DEControllerListener *listener,
+ CORBA_Environment *ev)
+{
+ bonobo_object_release_unref (listener->object, ev);
+ if (listener->type == SPI_DEVICE_TYPE_KBD)
+ spi_key_listener_data_free ((DEControllerKeyListener *) listener, ev);
+}
+
+static void
+_register_keygrab (SpiDEController *controller,
+ DEControllerGrabMask *grab_mask)
+{
+ 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)
+ DEControllerGrabMask *cur_mask = l->data;
+
+ cur_mask->ref_count++;
+ if (cur_mask->pending_remove)
{
- grabmask_ptr = (DEControllerGrabMask *) list_ptr->data;
- grabmask_ptr->refcount++;
- }
- else
+ cur_mask->pending_remove = FALSE;
+ }
+ }
+ else
+ {
+ controller->keygrabs_list =
+ g_list_prepend (controller->keygrabs_list,
+ spi_grab_mask_clone (grab_mask));
+ }
+}
+
+static void
+_deregister_keygrab (SpiDEController *controller,
+ DEControllerGrabMask *grab_mask)
+{
+ 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->ref_count <= 0)
{
- controller->keygrabs_list =
- g_list_prepend (controller->keygrabs_list,
- spi_grabmask_clone (&grabmask));
- }
+ cur_mask->pending_remove = TRUE;
+ }
}
else
{
+ DBG (1, 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;
+#ifdef SPI_DEBUG
+ fprintf (stderr, "AnyKey grab!");
+#endif
+ 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];
+ Accessibility_KeyDefinition keydef = key_listener->keys->_buffer[i];
+ long int key_val = keydef.keysym;
/* X Grabs require keycodes, not keysyms */
- if (keyval >= 0)
+ if (keydef.keystring && keydef.keystring[0])
{
- keyval = XKeysymToKeycode(spi_get_display (), (KeySym) keyval);
+ key_val = XStringToKeysym(keydef.keystring);
}
- 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);
- }
- }
+ if (key_val > 0)
+ {
+ key_val = XKeysymToKeycode (spi_get_display (), (KeySym) key_val);
+ }
+ else
+ {
+ key_val = keydef.keycode;
+ }
+ grab_mask.key_val = key_val;
+ process_cb (controller, &grab_mask);
+ }
}
}
+static gboolean
+spi_controller_register_global_keygrabs (SpiDEController *controller,
+ DEControllerKeyListener *key_listener)
+{
+ handle_keygrab (controller, key_listener, _register_keygrab);
+ return spi_controller_update_key_grabs (controller, NULL);
+}
+
static void
-spi_controller_register_device_listener (SpiDeviceEventController *controller,
+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 gboolean
+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);
+ 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);
+ return spi_controller_register_global_keygrabs (controller, key_listener);
}
+ else
+ return TRUE;
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 */
+ controller->mouse_listeners = g_list_prepend (controller->mouse_listeners, listener);
+ break;
+ default:
+ DBG (1, g_warning ("listener registration for unknown device type.\n"));
break;
}
+ return FALSE;
+}
+
+static gboolean
+spi_controller_notify_mouselisteners (SpiDEController *controller,
+ const Accessibility_DeviceEvent *event,
+ CORBA_Environment *ev)
+{
+ GList *l;
+ GSList *notify = NULL, *l2;
+ GList **listeners = &controller->mouse_listeners;
+ gboolean is_consumed;
+
+ if (!listeners)
+ {
+ return FALSE;
+ }
+
+ for (l = *listeners; l; l = l->next)
+ {
+ DEControllerListener *listener = l->data;
+
+ if (spi_eventtype_seq_contains_event (listener->typeseq, event))
+ {
+ Accessibility_DeviceEventListener ls = listener->object;
+
+ if (ls != CORBA_OBJECT_NIL)
+ {
+ /* 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
+ if (!notify)
+ {
+ g_print ("no match for event\n");
+ }
+#endif
+
+ is_consumed = FALSE;
+ for (l2 = notify; l2 && !is_consumed; l2 = l2->next)
+ {
+ DEControllerListener *listener = l2->data;
+ Accessibility_DeviceEventListener ls = listener->object;
+
+ CORBA_exception_init (ev);
+ is_consumed = Accessibility_DeviceEventListener_notifyEvent (ls, event, ev);
+ if (BONOBO_EX (ev))
+ {
+ is_consumed = FALSE;
+ DBG (2, g_warning ("error notifying listener, removing it\n"));
+ spi_deregister_controller_device_listener (controller, listener,
+ ev);
+ CORBA_exception_free (ev);
+ }
+
+ spi_listener_clone_free ((DEControllerListener *) l2->data, ev);
+ }
+
+ for (; l2; l2 = l2->next)
+ {
+ DEControllerListener *listener = l2->data;
+ spi_listener_clone_free (listener, ev);
+ /* clone doesn't have its own ref, so don't use spi_device_listener_free */
+ }
+
+ g_slist_free (notify);
+
+#ifdef SPI_DEBUG
+ if (is_consumed) g_message ("consumed\n");
+#endif
+ return is_consumed;
}
static void
-spi_controller_deregister_device_listener (SpiDeviceEventController *controller,
- DEControllerListener *listener,
- CORBA_Environment *ev)
+spi_device_event_controller_forward_mouse_event (SpiDEController *controller,
+ XEvent *xevent)
{
- Accessibility_ControllerEventMask *mask_ptr;
- DEControllerListener *dec_listener;
- GList *list_ptr;
- switch (listener->type)
+ Accessibility_Event e;
+ Accessibility_DeviceEvent mouse_e;
+ CORBA_Environment ev;
+ gchar event_name[24];
+ gboolean is_consumed = FALSE;
+ gboolean xkb_mod_unlatch_occurred;
+ XButtonEvent *xbutton_event = (XButtonEvent *) xevent;
+
+ int button = xbutton_event->button;
+
+ unsigned int mouse_button_state = xbutton_event->state;
+
+ switch (button)
{
- case SPI_DEVICE_TYPE_KBD:
- spi_controller_deregister_global_keygrabs (controller,
- (DEControllerKeyListener *) listener);
+ case 1:
+ mouse_button_state |= Button1Mask;
+ break;
+ case 2:
+ mouse_button_state |= Button2Mask;
+ break;
+ case 3:
+ mouse_button_state |= Button3Mask;
+ break;
+ case 4:
+ mouse_button_state |= Button4Mask;
+ break;
+ case 5:
+ mouse_button_state |= Button5Mask;
+ break;
+ }
- /* 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);
+ last_mouse_pos->x = ((XButtonEvent *) xevent)->x_root;
+ last_mouse_pos->y = ((XButtonEvent *) xevent)->y_root;
+
+#ifdef SPI_DEBUG
+ fprintf (stderr, "mouse button %d %s (%x)\n",
+ xbutton_event->button,
+ (xevent->type == ButtonPress) ? "Press" : "Release",
+ mouse_button_state);
#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;
+ snprintf (event_name, 22, "mouse:button:%d%c", button,
+ (xevent->type == ButtonPress) ? 'p' : 'r');
+
+ /* TODO: distinguish between physical and logical buttons */
+ mouse_e.type = (xevent->type == ButtonPress) ?
+ Accessibility_BUTTON_PRESSED_EVENT :
+ Accessibility_BUTTON_RELEASED_EVENT;
+ mouse_e.id = button;
+ mouse_e.hw_code = button;
+ mouse_e.modifiers = (CORBA_unsigned_short) xbutton_event->state;
+ mouse_e.timestamp = (CORBA_unsigned_long) xbutton_event->time;
+ mouse_e.event_string = "";
+ mouse_e.is_text = CORBA_FALSE;
+ if ((mouse_button_state & mouse_button_mask) !=
+ (mouse_mask_state & mouse_button_mask))
+ {
+ if ((mouse_mask_state & key_modifier_mask) !=
+ (mouse_button_state & key_modifier_mask))
+ spi_dec_emit_modifier_event (controller,
+ mouse_mask_state, mouse_button_state);
+ mouse_mask_state = mouse_button_state;
+ is_consumed =
+ spi_controller_notify_mouselisteners (controller, &mouse_e, &ev);
+ e.type = CORBA_string_dup (event_name);
+ 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);
+ CORBA_exception_init (&ev);
+
+ Accessibility_Registry_notifyEvent (BONOBO_OBJREF (controller->registry),
+ &e,
+ &ev);
}
+
+ xkb_mod_unlatch_occurred = (xevent->type == ButtonPress ||
+ xevent->type == ButtonRelease);
+
+ /* 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))
+ spi_dec_set_unlatch_pending (controller, mouse_mask_state);
+
+ XAllowEvents (spi_get_display (),
+ (is_consumed) ? SyncPointer : ReplayPointer,
+ CurrentTime);
}
-static gboolean
-spi_controller_register_with_devices (SpiDeviceEventController *controller)
+static GdkFilterReturn
+global_filter_fn (GdkXEvent *gdk_xevent, GdkEvent *event, gpointer data)
+{
+ XEvent *xevent = gdk_xevent;
+ SpiDEController *controller;
+ DEControllerPrivateData *priv;
+ Display *display = spi_get_display ();
+ controller = SPI_DEVICE_EVENT_CONTROLLER (data);
+ priv = (DEControllerPrivateData *)
+ g_object_get_qdata (G_OBJECT (controller), spi_dec_private_quark);
+
+ if (xevent->type == KeyPress || xevent->type == KeyRelease)
+ {
+ spi_device_event_controller_forward_key_event (controller, xevent);
+ return GDK_FILTER_CONTINUE;
+ }
+ if (xevent->type == ButtonPress || xevent->type == ButtonRelease)
+ {
+ spi_device_event_controller_forward_mouse_event (controller, xevent);
+ }
+ if (xevent->type == priv->xkb_base_event_code)
+ {
+ XkbAnyEvent * xkb_ev = (XkbAnyEvent *) xevent;
+ /* ugly but probably necessary...*/
+ XSynchronize (spi_get_display (), TRUE);
+
+ if (xkb_ev->xkb_type == XkbStateNotify)
+ {
+ XkbStateNotifyEvent *xkb_snev =
+ (XkbStateNotifyEvent *) xkb_ev;
+ /* check the mouse, to catch mouse events grabbed by
+ * another client; in case we should revert this XKB delatch
+ */
+ if (!priv->pending_xkb_mod_relatch_mask)
+ {
+ int x, y;
+ gboolean moved;
+ spi_dec_mouse_check (controller, &x, &y, &moved);
+ }
+ /* we check again, since the previous call may have
+ changed this flag */
+ if (priv->pending_xkb_mod_relatch_mask)
+ {
+ unsigned int feedback_mask;
+#ifdef SPI_XKB_DEBUG
+ fprintf (stderr, "relatching %x\n",
+ priv->pending_xkb_mod_relatch_mask);
+#endif
+ /* temporarily turn off the latch bell, if it's on */
+ XkbGetControls (display,
+ XkbAccessXFeedbackMask,
+ priv->xkb_desc);
+ feedback_mask = priv->xkb_desc->ctrls->ax_options;
+ if (feedback_mask & XkbAX_StickyKeysFBMask)
+ {
+ XkbControlsChangesRec changes = {XkbAccessXFeedbackMask,
+ 0, False};
+ priv->xkb_desc->ctrls->ax_options
+ &= ~(XkbAX_StickyKeysFBMask);
+ XkbChangeControls (display, priv->xkb_desc, &changes);
+ }
+ XkbLatchModifiers (display,
+ XkbUseCoreKbd,
+ priv->pending_xkb_mod_relatch_mask,
+ priv->pending_xkb_mod_relatch_mask);
+ if (feedback_mask & XkbAX_StickyKeysFBMask)
+ {
+ XkbControlsChangesRec changes = {XkbAccessXFeedbackMask,
+ 0, False};
+ priv->xkb_desc->ctrls->ax_options = feedback_mask;
+ XkbChangeControls (display, priv->xkb_desc, &changes);
+ }
+#ifdef SPI_XKB_DEBUG
+ fprintf (stderr, "relatched %x\n",
+ priv->pending_xkb_mod_relatch_mask);
+#endif
+ priv->pending_xkb_mod_relatch_mask = 0;
+ }
+ else
+ {
+ priv->xkb_latch_mask = xkb_snev->latched_mods;
+ }
+ }
+ else
+ DBG (2, g_warning ("XKB event %d\n", xkb_ev->xkb_type));
+ XSynchronize (spi_get_display (), FALSE);
+ }
+
+ return GDK_FILTER_CONTINUE;
+}
+
+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");
+ spi_error_code = BadAccess;
+ return 0;
+ }
+ else
+ {
+ return (*x_default_error_handler) (display, error);
+ }
+}
+
+static void
+spi_controller_register_with_devices (SpiDEController *controller)
+{
+ DEControllerPrivateData *priv = (DEControllerPrivateData *)
+ 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 */
/* register with: (translated) keystroke handler */
- /* We must open a new connection to the server to avoid clashing with the GDK event loop */
- root_window = DefaultRootWindow (spi_get_display ());
- XSelectInput (spi_get_display (),
- root_window,
- KeyPressMask | KeyReleaseMask);
- /* register with: mouse hardware device handler? */
- /* register with: mouse event handler */
- return retval;
+ priv->have_xkb = XkbQueryExtension (spi_get_display (),
+ &priv->xkb_major_extension_opcode,
+ &priv->xkb_base_event_code,
+ &priv->xkb_base_error_code, NULL, NULL);
+ if (priv->have_xkb)
+ {
+ XkbSelectEvents (spi_get_display (),
+ XkbUseCoreKbd,
+ XkbStateNotifyMask, XkbStateNotifyMask);
+ }
+ 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);
+ 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);
#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].keysym == (CORBA_long) key_event->id)
+ {
+ return TRUE;
+ }
+ if (key_set->_buffer[i].keycode == (CORBA_long) key_event->hw_code)
+ {
+ return TRUE;
+ }
+ if (key_event->event_string && key_event->event_string[0] &&
+ !strcmp (key_set->_buffer[i].keystring, key_event->event_string))
+ {
+ return TRUE;
+ }
}
return FALSE;
}
static gboolean
-spi_key_eventtype_seq_contains_event (Accessibility_KeyEventTypeSeq *type_seq,
- const Accessibility_DeviceEvent *key_event)
+spi_eventtype_seq_contains_event (Accessibility_EventTypeSeq *type_seq,
+ const Accessibility_DeviceEvent *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; event type = %d\n", i,
+ (int) type_seq->_buffer[i], (int) event->type);
#endif
- if (type_seq->_buffer[i] == (CORBA_long) key_event->type) return TRUE;
+ if (type_seq->_buffer[i] == (CORBA_long) 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)
{
- 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) &&
+ spi_eventtype_seq_contains_event (listener->listener.typeseq, key_event) &&
(is_system_global == listener->mode->global))
{
return TRUE;
}
else
- return FALSE;
+ {
+ return FALSE;
+ }
}
static gboolean
-spi_notify_keylisteners (GList *key_listeners,
- const Accessibility_DeviceEvent *key_event,
- CORBA_boolean is_system_global,
- CORBA_Environment *ev)
+spi_controller_notify_keylisteners (SpiDEController *controller,
+ 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;
+ GList *l;
+ GSList *notify = NULL, *l2;
+ GList **key_listeners = &controller->key_listeners;
+ 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)
+ {
+ /* we clone (don't dup) the listener, to avoid refcount inc. */
+ notify = g_slist_prepend (notify,
+ spi_key_listener_clone (key_listener, ev));
+ }
+ }
+ }
+
#ifdef SPI_KEYEVENT_DEBUG
- g_print ("no match for listener %d\n", i);
+ if (!notify)
+ {
+ g_print ("no match for event\n");
+ }
#endif
- ;
- }
+
+ is_consumed = FALSE;
+ for (l2 = notify; l2 && !is_consumed; l2 = l2->next)
+ {
+ DEControllerKeyListener *key_listener = l2->data;
+ Accessibility_DeviceEventListener ls = key_listener->listener.object;
+
+ is_consumed = Accessibility_DeviceEventListener_notifyEvent (ls, key_event, ev);
+
+ if (BONOBO_EX (ev))
+ {
+ is_consumed = FALSE;
+ spi_deregister_controller_key_listener (controller, key_listener,
+ ev);
+ CORBA_exception_free (ev);
+ }
+
+ spi_key_listener_clone_free (key_listener, ev);
+ }
+
+ for (; l2; l2 = l2->next)
+ {
+ DEControllerKeyListener *key_listener = l2->data;
+ spi_key_listener_clone_free (key_listener, ev);
+ /* clone doesn't have its own ref, so don't use spi_dec_listener_free */
}
+
+ g_slist_free (notify);
+
+#ifdef SPI_DEBUG
+ if (is_consumed) g_message ("consumed\n");
+#endif
return is_consumed;
}
+static gboolean
+spi_clear_error_state ()
+{
+ gboolean retval = spi_error_code != 0;
+ spi_error_code = 0;
+ return retval;
+}
+
static Accessibility_DeviceEvent
spi_keystroke_from_x_key_event (XKeyEvent *x_key_event)
{
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:
case XK_Return:
key_event.event_string = CORBA_string_dup ("Return");
break;
+ case XK_Home:
+ key_event.event_string = CORBA_string_dup ("Home");
+ break;
+ case XK_Page_Down:
+ key_event.event_string = CORBA_string_dup ("Page_Down");
+ break;
+ case XK_Page_Up:
+ key_event.event_string = CORBA_string_dup ("Page_Up");
+ break;
+ case XK_F1:
+ key_event.event_string = CORBA_string_dup ("F1");
+ break;
+ case XK_F2:
+ key_event.event_string = CORBA_string_dup ("F2");
+ break;
+ case XK_F3:
+ key_event.event_string = CORBA_string_dup ("F3");
+ break;
+ case XK_F4:
+ key_event.event_string = CORBA_string_dup ("F4");
+ break;
+ case XK_F5:
+ key_event.event_string = CORBA_string_dup ("F5");
+ break;
+ case XK_F6:
+ key_event.event_string = CORBA_string_dup ("F6");
+ break;
+ case XK_F7:
+ key_event.event_string = CORBA_string_dup ("F7");
+ break;
+ case XK_F8:
+ key_event.event_string = CORBA_string_dup ("F8");
+ break;
+ case XK_F9:
+ key_event.event_string = CORBA_string_dup ("F9");
+ break;
+ case XK_F10:
+ key_event.event_string = CORBA_string_dup ("F10");
+ break;
+ case XK_F11:
+ key_event.event_string = CORBA_string_dup ("F11");
+ break;
+ case XK_F12:
+ key_event.event_string = CORBA_string_dup ("F12");
+ break;
+ case XK_End:
+ key_event.event_string = CORBA_string_dup ("End");
+ break;
+ case XK_Escape:
+ key_event.event_string = CORBA_string_dup ("Escape");
+ break;
+ case XK_Up:
+ key_event.event_string = CORBA_string_dup ("Up");
+ break;
+ case XK_Down:
+ key_event.event_string = CORBA_string_dup ("Down");
+ break;
+ case XK_Left:
+ key_event.event_string = CORBA_string_dup ("Left");
+ break;
+ case XK_Right:
+ key_event.event_string = CORBA_string_dup ("Right");
+ break;
default:
if (XLookupString (x_key_event, cbuf, cbuf_bytes, &keysym, NULL) > 0)
{
return key_event;
}
-
static gboolean
-spi_check_key_event (SpiDeviceEventController *controller)
+spi_controller_update_key_grabs (SpiDEController *controller,
+ Accessibility_DeviceEvent *recv)
{
- 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;
+ GList *l, *next;
+ gboolean update_failed = FALSE;
+
+ g_return_val_if_fail (controller != NULL, FALSE);
- if (!initialized)
- {
- initialized = TRUE;
- CORBA_exception_init (&ev);
- }
+ /*
+ * 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(spi_get_display ()))
- {
- XNextEvent (spi_get_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 (spi_get_display (), AsyncKeyboard, CurrentTime);
- }
- else
- {
- XAllowEvents (spi_get_display (), ReplayKeyboard, CurrentTime);
- }
- }
- XUngrabKey (spi_get_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);
-#endif
- XGrabKey (spi_get_display (),
- keyVal,
- maskVal,
- root_window,
- True,
- GrabModeAsync,
- GrabModeAsync);
- /* TODO: check call for errors and return FALSE if error occurs */
+ fprintf (stderr, "grab %d with mask %x\n", grab_mask->key_val, grab_mask->mod_mask);
+#endif
+ XGrabKey (spi_get_display (),
+ grab_mask->key_val,
+ grab_mask->mod_mask,
+ gdk_x11_get_default_root_xwindow (),
+ True,
+ GrabModeSync,
+ GrabModeSync);
+ XSync (spi_get_display (), False);
+ update_failed = spi_clear_error_state ();
+ if (update_failed) {
+ while (grab_mask->ref_count > 0) --grab_mask->ref_count;
+ do_remove = TRUE;
+ }
+ }
+
+ grab_mask->pending_add = FALSE;
+ grab_mask->pending_remove = FALSE;
+
+ if (do_remove)
+ {
+ g_assert (grab_mask->ref_count <= 0);
+
+ controller->keygrabs_list = g_list_delete_link (
+ controller->keygrabs_list, l);
+
+ spi_grab_mask_free (grab_mask);
+ }
+
}
- return TRUE;
+
+ return ! update_failed;
}
/*
static void
spi_device_event_controller_object_finalize (GObject *object)
{
+ SpiDEController *controller;
+ DEControllerPrivateData *private;
+ controller = SPI_DEVICE_EVENT_CONTROLLER (object);
#ifdef SPI_DEBUG
fprintf(stderr, "spi_device_event_controller_object_finalize called\n");
#endif
/* disconnect any special listeners, get rid of outstanding keygrabs */
-
+ XUngrabKey (spi_get_display (), AnyKey, AnyModifier, DefaultRootWindow (spi_get_display ()));
+
+ private = g_object_get_data (G_OBJECT (controller), "spi-dec-private");
+ if (private->xkb_desc)
+ XkbFreeKeyboard (private->xkb_desc, 0, True);
+ g_free (private);
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,
+static CORBA_boolean
+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 Accessibility_EventListenerMode *mode,
- CORBA_Environment *ev)
+ const Accessibility_EventTypeSeq *type,
+ const Accessibility_EventListenerMode *mode,
+ CORBA_Environment *ev)
{
- SpiDeviceEventController *controller = SPI_DEVICE_EVENT_CONTROLLER (
+ SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER (
bonobo_object_from_servant (servant));
DEControllerKeyListener *dec_listener;
#ifdef SPI_DEBUG
(void *) l, (unsigned long) mask);
#endif
dec_listener = spi_dec_key_listener_new (l, keys, mask, type, mode, ev);
- spi_controller_register_device_listener (controller, (DEControllerListener *) dec_listener, ev);
+ return spi_controller_register_device_listener (
+ controller, (DEControllerListener *) dec_listener, ev);
+}
+
+
+/*
+ * CORBA Accessibility::DEController::registerDeviceEventListener
+ * method implementation
+ */
+static CORBA_boolean
+impl_register_device_listener (PortableServer_Servant servant,
+ const Accessibility_DeviceEventListener l,
+ const Accessibility_EventTypeSeq *event_types,
+ CORBA_Environment *ev)
+{
+ SpiDEController *controller = SPI_DEVICE_EVENT_CONTROLLER (
+ bonobo_object_from_servant (servant));
+ DEControllerListener *dec_listener;
+
+ dec_listener = spi_dec_listener_new (l, event_types, ev);
+ return spi_controller_register_device_listener (
+ controller, (DEControllerListener *) dec_listener, ev);
+}
+
+typedef struct {
+ CORBA_Environment *ev;
+ DEControllerListener *listener;
+} RemoveListenerClosure;
+
+static SpiReEntrantContinue
+remove_listener_cb (GList * const *list,
+ gpointer user_data)
+{
+ DEControllerListener *listener = (*list)->data;
+ RemoveListenerClosure *ctx = user_data;
+
+ if (CORBA_Object_is_equivalent (ctx->listener->object,
+ listener->object, ctx->ev))
+ {
+ spi_re_entrant_list_delete_link (list);
+ spi_dec_listener_free (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;
+ RemoveListenerClosure *ctx = user_data;
+
+ if (CORBA_Object_is_equivalent (ctx->listener->object,
+ key_listener->listener.object, ctx->ev))
+ {
+ /* TODO: FIXME aggregate keys in case the listener is registered twice */
+ DEControllerKeyListener *ctx_key_listener =
+ (DEControllerKeyListener *) ctx->listener;
+ CORBA_free (ctx_key_listener->keys);
+ ctx_key_listener->keys = ORBit_copy_value (key_listener->keys, TC_Accessibility_KeySet);
+ }
+
+ return SPI_RE_ENTRANT_CONTINUE;
+}
+
+static void
+spi_deregister_controller_device_listener (SpiDEController *controller,
+ DEControllerListener *listener,
+ CORBA_Environment *ev)
+{
+ RemoveListenerClosure ctx;
+
+ ctx.ev = ev;
+ ctx.listener = listener;
+
+ spi_re_entrant_list_foreach (&controller->mouse_listeners,
+ remove_listener_cb, &ctx);
+}
+
+static void
+spi_deregister_controller_key_listener (SpiDEController *controller,
+ DEControllerKeyListener *key_listener,
+ CORBA_Environment *ev)
+{
+ RemoveListenerClosure ctx;
+
+ ctx.ev = ev;
+ ctx.listener = (DEControllerListener *) key_listener;
+
+ /* special case, copy keyset from existing controller list entry */
+ if (key_listener->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_listener_cb, &ctx);
+
}
/*
- * 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,
- 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,
- NULL,
- ev);
+ const Accessibility_EventTypeSeq *type,
+ CORBA_Environment *ev)
+{
+ DEControllerKeyListener *key_listener;
+ 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);
+
+ spi_deregister_controller_key_listener (controller, key_listener, ev);
+
+ spi_dec_listener_free ((DEControllerListener *) key_listener, ev);
}
/*
- * CORBA Accessibility::DeviceEventController::registerMouseListener
+ * CORBA Accessibility::DEController::deregisterDeviceEventListener
* method implementation
*/
-/*
static void
-impl_register_mouse_listener (PortableServer_Servant servant,
- const Accessibility_MouseListener *l,
- CORBA_Environment *ev)
+impl_deregister_device_listener (PortableServer_Servant servant,
+ const Accessibility_DeviceEventListener l,
+ const Accessibility_EventTypeSeq *event_types,
+ 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);
+ SpiDEController *controller;
+ DEControllerListener *listener =
+ spi_dec_listener_new (l, event_types, ev);
+
+ controller = SPI_DEVICE_EVENT_CONTROLLER (bonobo_object (servant));
+
+ spi_deregister_controller_device_listener (controller, listener, ev);
+
+ spi_dec_listener_free (listener, ev);
+}
+
+static unsigned int dec_xkb_get_slowkeys_delay (SpiDEController *controller)
+{
+ unsigned int retval = 0;
+ DEControllerPrivateData *priv = (DEControllerPrivateData *)
+ g_object_get_qdata (G_OBJECT (controller), spi_dec_private_quark);
+#ifdef HAVE_XKB
+#ifdef XKB_HAS_GET_SLOW_KEYS_DELAY
+ retval = XkbGetSlowKeysDelay (spi_get_display (),
+ XkbUseCoreKbd, &bounce_delay);
+#else
+ if (!(priv->xkb_desc == (XkbDescPtr) BadAlloc || priv->xkb_desc == NULL))
+ {
+ Status s = XkbGetControls (spi_get_display (),
+ XkbAllControlsMask, priv->xkb_desc);
+ if (s == Success)
+ {
+ if (priv->xkb_desc->ctrls->enabled_ctrls & XkbSlowKeysMask)
+ retval = priv->xkb_desc->ctrls->slow_keys_delay;
+ }
+ }
+#endif
#endif
- spi_controller_register_device_listener(controller, DEVICE_TYPE_MOUSE, l, keys, mask, ev);
+#ifdef SPI_XKB_DEBUG
+ fprintf (stderr, "SlowKeys delay: %d\n", (int) retval);
+#endif
+ return retval;
}
-*/
-static KeyCode
-keycode_for_keysym (long keysym)
+static unsigned int dec_xkb_get_bouncekeys_delay (SpiDEController *controller)
{
- return XKeysymToKeycode (spi_get_display (), (KeySym) keysym);
+ unsigned int retval = 0;
+ DEControllerPrivateData *priv = (DEControllerPrivateData *)
+ g_object_get_qdata (G_OBJECT (controller), spi_dec_private_quark);
+#ifdef HAVE_XKB
+#ifdef XKB_HAS_GET_BOUNCE_KEYS_DELAY
+ retval = XkbGetBounceKeysDelay (spi_get_display (),
+ XkbUseCoreKbd, &bounce_delay);
+#else
+ if (!(priv->xkb_desc == (XkbDescPtr) BadAlloc || priv->xkb_desc == NULL))
+ {
+ Status s = XkbGetControls (spi_get_display (),
+ XkbAllControlsMask, priv->xkb_desc);
+ if (s == Success)
+ {
+ if (priv->xkb_desc->ctrls->enabled_ctrls & XkbBounceKeysMask)
+ retval = priv->xkb_desc->ctrls->debounce_delay;
+ }
+ }
+#endif
+#endif
+#ifdef SPI_XKB_DEBUG
+ fprintf (stderr, "BounceKeys delay: %d\n", (int) retval);
+#endif
+ return retval;
+}
+
+static gboolean
+dec_synth_keycode_press (SpiDEController *controller,
+ unsigned int keycode)
+{
+ unsigned int time = CurrentTime;
+ unsigned int bounce_delay;
+ unsigned int elapsed_msec;
+ struct timeval tv;
+ DEControllerPrivateData *priv =
+ (DEControllerPrivateData *) g_object_get_qdata (G_OBJECT (controller),
+ spi_dec_private_quark);
+ if (keycode == priv->last_release_keycode)
+ {
+ bounce_delay = dec_xkb_get_bouncekeys_delay (controller);
+ if (bounce_delay)
+ {
+ gettimeofday (&tv, NULL);
+ elapsed_msec =
+ (tv.tv_sec - priv->last_release_time.tv_sec) * 1000
+ + (tv.tv_usec - priv->last_release_time.tv_usec) / 1000;
+#ifdef SPI_XKB_DEBUG
+ fprintf (stderr, "%d ms elapsed (%ld usec)\n", elapsed_msec,
+ (long) (tv.tv_usec - priv->last_release_time.tv_usec));
+#endif
+#ifdef THIS_IS_BROKEN
+ if (elapsed_msec < bounce_delay)
+ time = bounce_delay - elapsed_msec + 1;
+#else
+ time = bounce_delay + 10;
+ /* fudge for broken XTest */
+#endif
+#ifdef SPI_XKB_DEBUG
+ fprintf (stderr, "waiting %d ms\n", time);
+#endif
+ }
+ }
+ XTestFakeKeyEvent (spi_get_display (), keycode, True, time);
+ priv->last_press_keycode = keycode;
+ XSync (spi_get_display (), False);
+ gettimeofday (&priv->last_press_time, NULL);
+ return TRUE;
}
-#define SPI_DEBUG
+static gboolean
+dec_synth_keycode_release (SpiDEController *controller,
+ unsigned int keycode)
+{
+ unsigned int time = CurrentTime;
+ unsigned int slow_delay;
+ unsigned int elapsed_msec;
+ struct timeval tv;
+ DEControllerPrivateData *priv =
+ (DEControllerPrivateData *) g_object_get_qdata (G_OBJECT (controller),
+ spi_dec_private_quark);
+ if (keycode == priv->last_press_keycode)
+ {
+ slow_delay = dec_xkb_get_slowkeys_delay (controller);
+ if (slow_delay)
+ {
+ gettimeofday (&tv, NULL);
+ elapsed_msec =
+ (tv.tv_sec - priv->last_press_time.tv_sec) * 1000
+ + (tv.tv_usec - priv->last_press_time.tv_usec) / 1000;
+#ifdef SPI_XKB_DEBUG
+ fprintf (stderr, "%d ms elapsed (%ld usec)\n", elapsed_msec,
+ (long) (tv.tv_usec - priv->last_press_time.tv_usec));
+#endif
+#ifdef THIS_IS_BROKEN_DUNNO_WHY
+ if (elapsed_msec < slow_delay)
+ time = slow_delay - elapsed_msec + 1;
+#else
+ time = slow_delay + 10;
+ /* our XTest seems broken, we have to add slop as above */
+#endif
+#ifdef SPI_XKB_DEBUG
+ fprintf (stderr, "waiting %d ms\n", time);
+#endif
+ }
+ }
+ XTestFakeKeyEvent (spi_get_display (), keycode, False, time);
+ priv->last_release_keycode = keycode;
+ XSync (spi_get_display (), False);
+ gettimeofday (&priv->last_release_time, NULL);
+ return TRUE;
+}
/*
- * CORBA Accessibility::DeviceEventController::registerKeystrokeListener
+ * CORBA Accessibility::DEController::registerKeystrokeListener
* method implementation
*/
static void
-impl_generate_keyboard_event (PortableServer_Servant servant,
- const CORBA_long keycode,
- const CORBA_char *keystring,
+impl_generate_keyboard_event (PortableServer_Servant servant,
+ const CORBA_long keycode,
+ const CORBA_char *keystring,
const Accessibility_KeySynthType synth_type,
- CORBA_Environment *ev)
+ CORBA_Environment *ev)
{
+ 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;
+
#ifdef SPI_DEBUG
- fprintf (stderr, "synthesizing keystroke %ld, type %d\n", (long) keycode, (int) synth_type);
+ fprintf (stderr, "synthesizing keystroke %ld, type %d\n",
+ (long) keycode, (int) synth_type);
#endif
/* 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: implement keystring mode also */
-
+ gdk_error_trap_push ();
+ key_synth_code = keycode;
+
switch (synth_type)
{
case Accessibility_KEY_PRESS:
- XTestFakeKeyEvent (spi_get_display (), (unsigned int) keycode, True, CurrentTime);
- break;
+ dec_synth_keycode_press (controller, keycode);
+ break;
case Accessibility_KEY_PRESSRELEASE:
- XTestFakeKeyEvent (spi_get_display (), (unsigned int) keycode, True, CurrentTime);
+ dec_synth_keycode_press (controller, keycode);
case Accessibility_KEY_RELEASE:
- XTestFakeKeyEvent (spi_get_display (), (unsigned int) keycode, False, CurrentTime);
- break;
+ dec_synth_keycode_release (controller, keycode);
+ 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;
- }
+#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);
+ break;
+ case Accessibility_KEY_STRING:
+ fprintf (stderr, "Not yet implemented\n");
+ break;
+ }
+ if (gdk_error_trap_pop ())
+ {
+ DBG (-1, 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
+ 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_controller_notify_keylisteners (controller, 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_controller_notify_keylisteners (controller, 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);
+ GObjectClass * object_class = (GObjectClass *) klass;
+ POA_Accessibility_DeviceEventController__epv *epv = &klass->epv;
- 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->generateKeyboardEvent = impl_generate_keyboard_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->registerDeviceEventListener = impl_register_device_listener;
+ epv->deregisterDeviceEventListener = impl_deregister_device_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;
+
+ if (!spi_dec_private_quark)
+ spi_dec_private_quark = g_quark_from_static_string ("spi-dec-private");
}
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;
+ DEControllerPrivateData *private;
+ 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;
+
+ private = g_new0 (DEControllerPrivateData, 1);
+ gettimeofday (&private->last_press_time, NULL);
+ gettimeofday (&private->last_release_time, NULL);
+ g_object_set_qdata (G_OBJECT (device_event_controller),
+ spi_dec_private_quark,
+ private);
+ 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_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);
+ }
}
-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);
+ DEControllerPrivateData *private;
+
+ retval->registry = SPI_REGISTRY (bonobo_object_ref (
+ BONOBO_OBJECT (registry)));
+
+ spi_dec_init_mouse_listener (registry);
+ /* TODO: kill mouse listener on finalize */
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