1 | /* |
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2 | * AT-SPI - Assistive Technology Service Provider Interface |
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3 | * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap) |
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4 | * |
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5 | * Copyright 2001, 2002 Sun Microsystems Inc., |
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6 | * Copyright 2001, 2002 Ximian, Inc. |
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7 | * |
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8 | * This library is free software; you can redistribute it and/or |
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9 | * modify it under the terms of the GNU Library General Public |
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10 | * License as published by the Free Software Foundation; either |
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11 | * version 2 of the License, or (at your option) any later version. |
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12 | * |
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13 | * This library is distributed in the hope that it will be useful, |
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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16 | * Library General Public License for more details. |
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17 | * |
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18 | * You should have received a copy of the GNU Library General Public |
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19 | * License along with this library; if not, write to the |
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20 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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21 | * Boston, MA 02111-1307, USA. |
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22 | */ |
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23 | |
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24 | #ifndef _SPI_LISTENER_H_ |
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25 | #define _SPI_LISTENER_H_ |
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26 | |
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27 | #include <cspi/spi-impl.h> |
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28 | |
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29 | #ifdef __cplusplus |
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30 | extern "C" { |
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31 | #endif |
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32 | |
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33 | /* |
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34 | * Structure used to encapsulate event information |
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35 | */ |
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36 | typedef struct { |
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37 | const char *type; |
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38 | Accessible *source; |
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39 | long detail1; |
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40 | long detail2; |
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41 | } AccessibleEvent; |
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42 | |
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43 | typedef enum { |
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44 | SPI_KEY_PRESSED = 1<<0, |
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45 | SPI_KEY_RELEASED = 1<<1, |
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46 | SPI_BUTTON_PRESSED = 1<<2, |
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47 | SPI_BUTTON_RELEASED = 1<<3 |
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48 | } AccessibleDeviceEventType; |
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49 | |
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50 | typedef AccessibleDeviceEventType AccessibleKeyEventType; |
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51 | |
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52 | typedef struct { |
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53 | long keyID; |
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54 | short keycode; |
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55 | char * keystring; |
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56 | long timestamp; |
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57 | AccessibleDeviceEventType type; |
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58 | unsigned short modifiers; |
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59 | SPIBoolean is_text; |
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60 | } AccessibleDeviceEvent; |
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61 | |
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62 | typedef AccessibleDeviceEvent AccessibleKeystroke; |
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63 | |
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64 | /* |
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65 | * Function prototype typedefs for Event Listener Callbacks. |
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66 | * (see libspi/accessibleeventlistener.h for definition of SpiVoidEventListenerCB). |
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67 | * |
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68 | * usage: signatures should be |
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69 | * void (*AccessibleEventListenerCB) (AccessibleEvent *event); |
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70 | * |
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71 | * SPIBoolean (*AccessibleKeystrokeListenerCB) (AccessibleKeystrokeEvent *Event); |
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72 | */ |
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73 | typedef void (*AccessibleEventListenerCB) (const AccessibleEvent *event, |
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74 | void *user_data); |
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75 | typedef SPIBoolean (*AccessibleKeystrokeListenerCB) (const AccessibleKeystroke *stroke, |
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76 | void *user_data); |
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77 | typedef SPIBoolean (*AccessibleDeviceListenerCB) (const AccessibleDeviceEvent *stroke, |
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78 | void *user_data); |
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79 | |
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80 | #ifdef __cplusplus |
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81 | } |
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82 | #endif |
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83 | |
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84 | #endif |
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