* 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
#include <ctype.h>
#include <unistd.h>
#include <sys/socket.h>
+#include <netinet/in.h>
#include <sys/un.h>
-#include "../util/mag_client.h"
+#undef MAGNIFIER_ENABLED
#include "../cspi/spi-private.h" /* A hack for now */
+#define PRINT_TREE
+
static void report_focus_event (const AccessibleEvent *event, void *user_data);
static void report_generic_event (const AccessibleEvent *event, void *user_data);
+static void report_window_event (const AccessibleEvent *event, void *user_data);
+static void report_text_event (const AccessibleEvent *event, void *user_data);
static void report_button_press (const AccessibleEvent *event, void *user_data);
static void check_property_change (const AccessibleEvent *event, void *user_data);
static SPIBoolean report_command_key_event (const AccessibleKeystroke *stroke, void *user_data);
static void _festival_say (const char *text, const char *voice, SPIBoolean shutup);
static void _festival_write (const char *buff, int fd);
+#ifdef PRINT_TREE
+static void print_accessible_tree (Accessible *accessible, char *prefix);
+#endif
+
+#ifdef MAGNIFIER_ENABLED
static SPIBoolean use_magnifier = FALSE;
+#endif
+
static SPIBoolean use_festival = FALSE;
static SPIBoolean festival_chatty = FALSE;
+static SPIBoolean name_changed = FALSE;
static AccessibleEventListener *focus_listener;
static AccessibleEventListener *property_listener;
static AccessibleEventListener *generic_listener;
+static AccessibleEventListener *window_listener;
static AccessibleEventListener *button_listener;
+static AccessibleEventListener *text_listener;
static AccessibleKeystrokeListener *command_key_listener;
static AccessibleKeystrokeListener *ordinary_key_listener;
static AccessibleKeySet *command_keyset;
modules = g_getenv ("GTK_MODULES");
if (!modules || modules [0] == '\0')
{
- putenv ("GTK_MODULES=gail:atk-bridge");
+ putenv ("GTK_MODULES=");
}
modules = NULL;
focus_listener = SPI_createAccessibleEventListener (report_focus_event, NULL);
property_listener = SPI_createAccessibleEventListener (check_property_change, NULL);
generic_listener = SPI_createAccessibleEventListener (report_generic_event, NULL);
+ window_listener = SPI_createAccessibleEventListener (report_window_event, NULL);
+ text_listener = SPI_createAccessibleEventListener (report_text_event, NULL);
button_listener = SPI_createAccessibleEventListener (report_button_press, NULL);
SPI_registerGlobalEventListener (focus_listener, "focus:");
- SPI_registerGlobalEventListener (property_listener, "object:property-change:accessible-selection");
+ SPI_registerGlobalEventListener (property_listener, "object:property-change");
+/* :accessible-selection"); */
+ SPI_registerGlobalEventListener (property_listener, "object:property-change:accessible-name");
SPI_registerGlobalEventListener (generic_listener, "object:selection-changed");
SPI_registerGlobalEventListener (generic_listener, "object:children-changed");
SPI_registerGlobalEventListener (generic_listener, "object:visible-data-changed");
SPI_registerGlobalEventListener (generic_listener, "object:text-selection-changed");
- SPI_registerGlobalEventListener (generic_listener, "object:text-caret-moved");
- SPI_registerGlobalEventListener (generic_listener, "object:text-changed");
+ SPI_registerGlobalEventListener (text_listener, "object:text-caret-moved");
+ SPI_registerGlobalEventListener (text_listener, "object:text-changed");
SPI_registerGlobalEventListener (button_listener, "Gtk:GtkWidget:button-press-event");
+ SPI_registerGlobalEventListener (window_listener, "window:minimize");
n_desktops = SPI_getDesktopCount ();
for (i=0; i<n_desktops; ++i)
application = Accessible_getChildAtIndex (desktop, j);
s = Accessible_getName (application);
fprintf (stderr, "app %d name: %s\n", j, s);
+#ifdef PRINT_TREE
+ print_accessible_tree (application, "*");
+#endif
SPI_freeString (s);
Accessible_unref (application);
}
festival_chatty = TRUE;
}
}
+#ifdef MAGNIFIER_ENABLED
if (g_getenv ("MAGNIFIER"))
{
fprintf (stderr, "Using magnifier\n");
{
fprintf (stderr, "Not using magnifier\n");
}
+#endif
if (!use_festival)
{
}
}
+#ifdef PRINT_TREE
+static void
+print_accessible_tree (Accessible *accessible, char *prefix)
+{
+ int n_children;
+ int i;
+ char *name;
+ char *role_name;
+ char *parent_name = NULL;
+ char *parent_role = NULL;
+ char child_prefix[100];
+ Accessible *child;
+ Accessible *parent;
+
+ strncpy (child_prefix, prefix, 98);
+ strcat (child_prefix, "*");
+ parent = Accessible_getParent (accessible);
+ if (parent)
+ {
+ parent_name = Accessible_getName (parent);
+ parent_role = Accessible_getRoleName (parent);
+ Accessible_unref (parent);
+ }
+ name = Accessible_getName (accessible);
+ role_name = Accessible_getRoleName (accessible);
+ fprintf (stdout, "%sAccessible [%s] \"%s\"; parent [%s] %s.\n",
+ prefix, role_name, name, parent_role, parent_name);
+ SPI_freeString (name);
+ SPI_freeString (role_name);
+ SPI_freeString (parent_name);
+ SPI_freeString (parent_role);
+ n_children = Accessible_getChildCount (accessible);
+ for (i = 0; i < n_children; ++i)
+ {
+ child = Accessible_getChildAtIndex (accessible, i);
+ print_accessible_tree (child, child_prefix);
+ Accessible_unref (child);
+ }
+}
+#endif
+
void
report_focussed_accessible (Accessible *obj, SPIBoolean shutup_previous_speech)
{
char *s;
int len;
+ long x, y, width, height;
+ /* hack for GUADEC demo, to make sure name changes are spoken */
+ shutup_previous_speech = (shutup_previous_speech && !name_changed);
if (use_festival)
{
if (Accessible_isComponent (obj))
{
- long x, y, width, height;
AccessibleComponent *component = Accessible_getComponent (obj);
AccessibleComponent_getExtents (component, &x, &y, &width, &height,
SPI_COORD_TYPE_SCREEN);
fprintf (stderr, "Bounding box: (%ld, %ld) ; (%ld, %ld)\n",
x, y, x+width, y+height);
+ if (Accessible_isText (obj))
+ {
+ long x0, y0, xN, yN, w0, h0, wN, hN, nchars;
+ AccessibleText *text = Accessible_getText (obj);
+ nchars = AccessibleText_getCharacterCount (text);
+ if (nchars > 0)
+ {
+ AccessibleText_getCharacterExtents (text, 0, &x0, &y0, &w0, &h0,
+ SPI_COORD_TYPE_SCREEN);
+ AccessibleText_getCharacterExtents (text, nchars-1, &xN, &yN, &wN, &hN,
+ SPI_COORD_TYPE_SCREEN);
+ x = MIN (x0, xN);
+ width = MAX (x0 + w0, xN + wN) - x;
+ fprintf (stderr, "Text bounding box: (%ld, %ld) ; (%ld, %ld)\n",
+ x, y, x+width, y+height);
+ }
+ }
+#ifdef MAGNIFIER_ENABLED
if (use_magnifier) {
- magnifier_set_roi ((short) 0, x, y, width, height);
+ magnifier_set_roi ((short) 0, x, y, width, height);
}
+#endif
}
+
if (Accessible_isValue (obj))
{
AccessibleValue *value = Accessible_getValue (obj);
text_interface = Accessible_getText (obj);
first_sentence = AccessibleText_getTextAtOffset (
text_interface, (long) 0, SPI_TEXT_BOUNDARY_SENTENCE_START, &start_offset, &end_offset);
- if (first_sentence)
+ if (first_sentence && use_festival)
{
_festival_say(first_sentence, "voice_don_diphone", FALSE);
SPI_freeString (first_sentence);
char *s;
g_return_if_fail (event->source != NULL);
-
s = Accessible_getName (event->source);
if (s)
{
report_focussed_accessible (event->source, TRUE);
}
Accessible_getParent (event->source);
+ name_changed = FALSE;
}
void
}
void
+report_window_event (const AccessibleEvent *event, void *user_data)
+{
+ fprintf (stderr, "%s event received\n", event->type);
+}
+
+void
+report_text_event (const AccessibleEvent *event, void *user_data)
+{
+ AccessibleText *text = Accessible_getText (event->source);
+ fprintf (stderr, "%s event received\n", event->type);
+#ifdef MAGNIFIER_ENABLED
+ if (use_magnifier && strcmp (event->type, "object:text-changed"))
+ {
+ long offset = AccessibleText_getCaretOffset (text);
+ long x, y, w, h;
+ fprintf (stderr, "offset %d\n", (int) offset);
+ AccessibleText_getCharacterExtents (text, offset, &x, &y, &w, &h,
+ SPI_COORD_TYPE_SCREEN);
+ fprintf (stderr, "new roi %d %d %d %d\n", (int) x, (int) y, (int) w, (int) h);
+ magnifier_set_roi ((short) 0, x, y, w, h);
+ }
+#endif
+ if (!strcmp (event->type, "object:text-changed"))
+ {
+ long start, end;
+ char *new_text = AccessibleText_getTextAtOffset (text, (long) event->detail1, SPI_TEXT_BOUNDARY_WORD_START, &start, &end);
+ _festival_say (new_text, "voice_kal_diphone", FALSE);
+ fprintf (stderr, "text changed: %s", new_text ? new_text : "");
+ SPI_freeString (new_text);
+ }
+ else
+ {
+ long start, end;
+ char *word_text = AccessibleText_getTextAtOffset (text, (long) event->detail1, SPI_TEXT_BOUNDARY_WORD_START, &start, &end);
+ char *sentence_text = AccessibleText_getTextAtOffset (text, (long) event->detail1, SPI_TEXT_BOUNDARY_SENTENCE_START, &start, &end);
+ fprintf (stderr, "text changed: word %s; sentence %s at %d",
+ (word_text ? word_text : ""),
+ (sentence_text ? sentence_text : ""),
+ event->detail1);
+ if (word_text) SPI_freeString (word_text);
+ if (sentence_text) SPI_freeString (sentence_text);
+ }
+}
+
+void
report_button_press (const AccessibleEvent *event, void *user_data)
{
char *s;
int n_selections;
int i;
char *s;
+ fprintf (stderr, "property change event!\n");
if (selection)
{
n_selections = (int) AccessibleSelection_getNSelectedChildren (selection);
report_focussed_accessible (obj, i==0);
}
}
+ else if (!strcmp (event->type, "object:property-change:accessible-name"))
+ {
+ name_changed = TRUE;
+ report_focussed_accessible (event->source, TRUE);
+ }
+ else
+ {
+ fprintf (stderr, "Property change %s received\n", event->type);
+ }
}
static void
SPI_deregisterGlobalEventListenerAll (generic_listener);
AccessibleEventListener_unref (generic_listener);
+ SPI_deregisterGlobalEventListenerAll (text_listener);
+ AccessibleEventListener_unref (text_listener);
+
SPI_deregisterGlobalEventListenerAll (button_listener);
AccessibleEventListener_unref (button_listener);
case 'q':
simple_at_exit();
return TRUE; /* not reached */
+#ifdef MAGNIFIER_ENABLED
case 'M':
case 'm':
use_magnifier = ! use_magnifier;
fprintf (stderr, "%ssing magnifier\n", use_magnifier ? "U" : "Not u");
return TRUE;
+#endif
case 'F':
case 'f':
use_festival = ! use_festival;