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 Sun Microsystems Inc. |
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6 | * |
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7 | * This library is free software; you can redistribute it and/or |
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8 | * modify it under the terms of the GNU Library General Public |
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9 | * License as published by the Free Software Foundation; either |
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10 | * version 2 of the License, or (at your option) any later version. |
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11 | * |
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12 | * This library is distributed in the hope that it will be useful, |
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 | * Library General Public License for more details. |
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16 | * |
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17 | * You should have received a copy of the GNU Library General Public |
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18 | * License along with this library; if not, write to the |
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19 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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20 | * Boston, MA 02111-1307, USA. |
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21 | */ |
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22 | |
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23 | #include <Bonobo_Unknown.idl> |
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24 | #include <Accessibility_Event.idl> |
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25 | #include <Accessibility_Application.idl> |
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26 | #include <Accessibility_Desktop.idl> |
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27 | |
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28 | #ifndef _ACCESSIBILITY_REGISTRY_IDL_ |
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29 | #define _ACCESSIBILITY_REGISTRY_IDL_ |
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30 | |
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31 | module Accessibility { |
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32 | |
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33 | typedef sequence<Desktop> DesktopSeq; |
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34 | |
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35 | interface DeviceEventController; |
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36 | |
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37 | interface Registry : EventListener { |
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38 | |
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39 | /** |
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40 | * registerApplication: |
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41 | * @application: a reference to the requesting @Application |
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42 | * |
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43 | * Register a new application with the accessibility broker. |
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44 | * |
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45 | **/ |
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46 | oneway void registerApplication (in Application application); |
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47 | |
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48 | /** |
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49 | * deregisterApplication: |
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50 | * @application: a reference to the @Application |
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51 | * to be deregistered. |
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52 | * |
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53 | * De-register an application previously registered with the broker. |
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54 | * |
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55 | **/ |
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56 | void deregisterApplication (in Application application); |
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57 | |
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58 | /** |
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59 | * registerGlobalEventListener: |
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60 | * @listener: a reference to the requesting @EventListener. |
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61 | * @eventName: a string which indicates the type of events about |
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62 | * which the client desires notification. |
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63 | * |
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64 | * Register a client's interest in (all) application events of |
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65 | * a certain type. |
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66 | * |
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67 | **/ |
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68 | void registerGlobalEventListener (in EventListener listener, |
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69 | in string eventName); |
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70 | |
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71 | /** |
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72 | * deregisterGlobalEventListener: |
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73 | * @listener: the requesting @EventListener |
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74 | * @eventName: a string indicating the type of events |
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75 | * |
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76 | * Request that a previously registered client stop receiving |
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77 | * global notifications for events of a certain type. |
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78 | * |
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79 | **/ |
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80 | |
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81 | void deregisterGlobalEventListenerAll (in EventListener listener); |
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82 | /** |
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83 | * deregisterGlobalEventListener: |
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84 | * @listener: the requesting @EventListener |
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85 | * @eventName: a string indicating the type of events |
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86 | * |
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87 | * Request that a previously registered client stop receiving |
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88 | * global notifications for events of a certain type. |
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89 | * |
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90 | **/ |
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91 | |
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92 | void deregisterGlobalEventListener (in EventListener listener, |
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93 | in string event_name); |
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94 | /** |
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95 | * event types: "Window" "Desktop" |
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96 | * "Window:Create" "Window:Destroy" |
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97 | * "Window:Iconify" "Window:Restore" |
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98 | * "Window:Fullscreen" "Window:Resize" |
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99 | * "Desktop:Create" "Desktop:Destroy" |
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100 | * "Desktop:Focus" "Desktop:Defocus" |
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101 | * "Desktop:Reorder" |
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102 | * "Focus" |
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103 | * "GtkWidget:show" |
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104 | * "GObject:notify:<propertyname>" |
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105 | * |
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106 | * ( not sure we should allow these last 2 forms, |
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107 | * since they are toolkit-specific, but they're powerful ) |
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108 | * |
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109 | **/ |
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110 | |
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111 | /** |
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112 | * getDesktopCount: |
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113 | * |
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114 | * Get the current number of desktops. |
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115 | * Returns: a short integer indicating the current number of |
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116 | * @Desktops. |
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117 | **/ |
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118 | short getDesktopCount (); |
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119 | |
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120 | /** |
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121 | * getDesktop: |
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122 | * @n: the index of the requested @Desktop. |
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123 | * |
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124 | * Get the nth accessible desktop. |
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125 | * |
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126 | * Returns: a reference to the requested @Desktop. |
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127 | **/ |
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128 | Desktop getDesktop (in short n); |
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129 | |
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130 | /** |
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131 | * getDesktopList: |
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132 | * |
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133 | * Get a list of accessible desktops. |
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134 | * |
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135 | * Returns: a sequence containing references to |
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136 | * the @Desktops. |
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137 | **/ |
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138 | DesktopSeq getDesktopList (); |
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139 | |
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140 | /** |
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141 | * getDeviceEventController: |
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142 | * |
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143 | * Returns: an object implementing DeviceEventController |
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144 | **/ |
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145 | DeviceEventController getDeviceEventController (); |
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146 | |
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147 | /** |
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148 | * unImplemented: |
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149 | * |
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150 | * placeholders for future expansion. |
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151 | */ |
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152 | void unImplemented (); |
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153 | void unImplemented2 (); |
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154 | }; |
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155 | |
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156 | enum KeyEventType { |
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157 | KEY_PRESSED, |
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158 | KEY_RELEASED |
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159 | }; |
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160 | |
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161 | enum EventType { |
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162 | KEY_PRESSED_EVENT, |
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163 | KEY_RELEASED_EVENT |
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164 | }; |
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165 | |
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166 | enum KeySynthType { |
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167 | KEY_PRESS, |
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168 | KEY_RELEASE, |
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169 | KEY_PRESSRELEASE, |
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170 | KEY_SYM, |
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171 | KEY_STRING |
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172 | }; |
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173 | |
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174 | enum ModifierType { |
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175 | MODIFIER_SHIFT, |
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176 | MODIFIER_ALT, |
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177 | MODIFIER_CONTROL, |
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178 | MODIFIER_META, |
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179 | MODIFIER_META2, |
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180 | MODIFIER_META3, |
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181 | MODIFIER_SHIFTLOCK, |
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182 | MODIFIER_NUMLOCK |
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183 | }; |
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184 | |
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185 | struct EventListenerMode { |
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186 | boolean synchronous; |
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187 | boolean preemptive; |
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188 | boolean global; |
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189 | }; |
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190 | |
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191 | typedef unsigned long ControllerEventMask; |
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192 | |
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193 | struct DeviceEvent { |
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194 | EventType type; |
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195 | long id; |
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196 | short hw_code; |
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197 | unsigned short modifiers; |
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198 | unsigned long timestamp; |
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199 | string event_string; |
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200 | boolean is_text; |
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201 | }; |
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202 | |
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203 | struct KeyDefinition { |
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204 | long keycode; |
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205 | long keysym; |
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206 | string keystring; |
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207 | long unused; |
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208 | }; |
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209 | |
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210 | typedef sequence< KeyDefinition > KeySet; |
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211 | typedef sequence< KeyEventType > KeyEventTypeSeq; |
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212 | |
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213 | interface DeviceEventListener : Bonobo::Unknown { |
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214 | boolean notifyEvent (in DeviceEvent event); |
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215 | }; |
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216 | |
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217 | interface DeviceEventController : Bonobo::Unknown { |
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218 | |
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219 | /** |
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220 | * registerKeystrokeListener: |
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221 | * @listener: a @DeviceEventListener which will intercept key events. |
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222 | * @keys: a @KeySet indicating which keys to intercept, or KEYSET_ALL_KEYS. |
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223 | * @mask: a @ControllerEventMask filtering the intercepted key events. |
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224 | * @type: an @EventType mask that may created by ORing event types together. |
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225 | * @is_synchronous: a @boolean indicating whether the listener should |
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226 | * receive the events synchronously, potentially consuming them, |
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227 | * or just be notified asynchronously of those events that have |
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228 | * been generated. |
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229 | * Returns: %true if successful, %false if not |
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230 | * |
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231 | * Register to intercept keyboard events, and either pass them on or |
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232 | * consume them. |
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233 | * |
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234 | **/ |
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235 | boolean registerKeystrokeListener (in DeviceEventListener listener, |
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236 | in KeySet keys, |
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237 | in ControllerEventMask mask, |
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238 | in KeyEventTypeSeq type, |
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239 | in EventListenerMode mode); |
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240 | |
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241 | /** |
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242 | * deregisterKeystrokeListener: |
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243 | * @listener: a @DeviceEventListener which will intercept key events. |
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244 | * @keys: a @KeySet indicating which keys to intercept, or KEYSET_ALL_KEYS. |
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245 | * @mask: a @ControllerEventMask filtering the intercepted key events. |
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246 | * @type: an @EventType mask that may created by ORing event types together. |
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247 | * |
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248 | * Returns: void |
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249 | * |
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250 | * De-register a previously registered keyboard eventlistener. |
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251 | * |
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252 | **/ |
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253 | void deregisterKeystrokeListener (in DeviceEventListener listener, |
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254 | in KeySet keys, |
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255 | in ControllerEventMask mask, |
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256 | in KeyEventTypeSeq type); |
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257 | |
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258 | boolean notifyListenersSync (in DeviceEvent event); |
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259 | |
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260 | oneway void notifyListenersAsync (in DeviceEvent event); |
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261 | |
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262 | /** |
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263 | * generateKeyboardEvent: |
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264 | * @keycode: a long integer indicating the keycode of |
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265 | * the keypress to be synthesized. |
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266 | * @keystring: an optional UTF-8 string indicating a complex |
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267 | * keyboard input event. |
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268 | * @type: a #KeySynthType indicating the type of event(s) to be |
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269 | * synthesized: a key press, release, press-release pair, |
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270 | * or a complex input string (for instance from an |
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271 | * internationalized or complex text input method, or |
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272 | * a composed character). |
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273 | * |
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274 | * Note that @keycode may be truncated before being |
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275 | * processed, as keycode length may be platform-dependent |
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276 | * and keycode ranges are generally much smaller than |
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277 | * CORBA_long. |
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278 | * One or the other of @keycode or @keystring are generally NULL, |
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279 | * (but not both), depending on the value of @type. |
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280 | * |
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281 | * Returns: void |
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282 | * |
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283 | * Synthesize a keyboard event. |
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284 | * |
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285 | **/ |
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286 | void generateKeyboardEvent (in long keycode, |
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287 | in string keystring, |
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288 | in KeySynthType type); |
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289 | |
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290 | /** |
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291 | * generateMouseEvent: |
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292 | * @x: a long integer indicating the screen x coord for the mouse event. |
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293 | * @y: a long integer indicating the screen y coord for the mouse event. |
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294 | * @eventName: a string indicating the type of mouse event, e.g. "button1up" |
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295 | * Returns: void |
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296 | * |
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297 | * Synthesize a mouse event. |
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298 | * |
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299 | **/ |
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300 | void generateMouseEvent (in long x, in long y, in string eventName); |
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301 | |
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302 | /** |
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303 | * unImplemented: |
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304 | * |
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305 | * placeholders for future expansion. |
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306 | */ |
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307 | void unImplemented (); |
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308 | void unImplemented2 (); |
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309 | }; |
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310 | }; |
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311 | |
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312 | #endif |
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