2 * AT-SPI - Assistive Technology Service Provider Interface
3 * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
5 * Copyright 2001, 2002 Sun Microsystems Inc.,
6 * Copyright 2001, 2002 Ximian, Inc.
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
18 * You should have received a copy of the GNU Library General Public
19 * License along with this library; if not, write to the
20 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 * Boston, MA 02111-1307, USA.
24 #ifndef _SPI_LISTENER_H_
25 #define _SPI_LISTENER_H_
27 #include <cspi/spi-impl.h>
34 * Structure used to encapsulate event information
44 *AccessibleDeviceEventType:
48 *@SPI_BUTTON_RELEASED:
50 *The type of an AccessibleDeviceEvent.
53 SPI_KEY_PRESSED = 1<<0,
54 SPI_KEY_RELEASED = 1<<1,
55 SPI_BUTTON_PRESSED = 1<<2,
56 SPI_BUTTON_RELEASED = 1<<3
57 } AccessibleDeviceEventType;
60 *AccessibleKeyEventType:
62 *This is a synonym for AccessibleDeviceEventType
64 typedef AccessibleDeviceEventType AccessibleKeyEventType;
71 AccessibleDeviceEventType type;
72 unsigned short modifiers;
74 } AccessibleDeviceEvent;
76 typedef AccessibleDeviceEvent AccessibleKeystroke;
79 * Function prototype typedefs for Event Listener Callbacks.
80 * (see libspi/accessibleeventlistener.h for definition of SpiVoidEventListenerCB).
82 * usage: signatures should be
83 * void (*AccessibleEventListenerCB) (AccessibleEvent *event);
85 * SPIBoolean (*AccessibleKeystrokeListenerCB) (AccessibleKeystrokeEvent *Event);
86 * Note that AccessibleKeystrokeListeners may consume the event received
87 * if one of their callbacks returns TRUE (see SPI_registerAccessibleKeystrokeListener)
89 typedef void (*AccessibleEventListenerCB) (const AccessibleEvent *event,
91 typedef SPIBoolean (*AccessibleKeystrokeListenerCB) (const AccessibleKeystroke *stroke,
93 typedef SPIBoolean (*AccessibleDeviceListenerCB) (const AccessibleDeviceEvent *stroke,