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| 24 | <font color="#004faf">Main Classes</font></a>
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| 31 | </td>
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| 32 | <td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qaccessible.h</h1>
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| 33 |
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| 34 | <p>This is the verbatim text of the qaccessible.h include file. It is provided only for illustration; the copyright remains with Trolltech.
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| 35 | <hr>
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| 36 | <pre>
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| 37 | /****************************************************************************
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| 38 | ** $Id: qaccessible-h.html 2051 2007-02-21 10:04:20Z chehrlic $
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| 39 | **
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| 40 | ** Definition of QAccessible and QAccessibleObject classes
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| 41 | **
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| 42 | ** Copyright (C) 2000-2007 Trolltech ASA. All rights reserved.
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| 43 | **
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| 44 | ** This file is part of the kernel module of the Qt GUI Toolkit.
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| 45 | **
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| 46 | ** This file may be distributed under the terms of the Q Public License
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| 47 | ** as defined by Trolltech ASA of Norway and appearing in the file
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| 48 | ** LICENSE.QPL included in the packaging of this file.
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| 49 | **
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| 50 | ** This file may be distributed and/or modified under the terms of the
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| 51 | ** GNU General Public License version 2 as published by the Free Software
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| 52 | ** Foundation and appearing in the file LICENSE.GPL included in the
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| 53 | ** packaging of this file.
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| 54 | **
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| 55 | ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
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| 56 | ** licenses may use this file in accordance with the Qt Commercial License
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| 57 | ** Agreement provided with the Software.
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| 58 | **
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| 59 | ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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| 60 | ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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| 61 | **
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| 62 | ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
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| 63 | ** information about Qt Commercial License Agreements.
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| 64 | ** See http://www.trolltech.com/qpl/ for QPL licensing information.
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| 65 | ** See http://www.trolltech.com/gpl/ for GPL licensing information.
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| 66 | **
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| 67 | ** Contact info@trolltech.com if any conditions of this licensing are
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| 68 | ** not clear to you.
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| 69 | **
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| 70 | **********************************************************************/
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| 71 |
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| 72 | #ifndef QACCESSIBLE_H
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| 73 | #define QACCESSIBLE_H
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| 74 |
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| 75 | #ifndef QT_H
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| 76 | #include "qobject.h"
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| 77 | #include <private/qcom_p.h>
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| 78 | #include "qrect.h"
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| 79 | #include "qguardedptr.h"
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| 80 | #include "qmemarray.h"
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| 81 | #endif // QT_H
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| 82 |
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| 83 | #if defined(QT_ACCESSIBILITY_SUPPORT)
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| 84 |
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| 85 | struct QAccessibleInterface;
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| 86 |
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| 87 | class Q_EXPORT QAccessible
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| 88 | {
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| 89 | private:
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| 90 | #ifdef Q_WS_MAC
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| 91 | static QMAC_PASCAL OSStatus globalEventProcessor(EventHandlerCallRef, EventRef, void *);
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| 92 | static QObject *queryAccessibleObject(QAccessibleInterface *);
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| 93 | #endif
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| 94 | public:
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| 95 | enum Event {
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| 96 | SoundPlayed = 0x0001,
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| 97 | Alert = 0x0002,
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| 98 | ForegroundChanged = 0x0003,
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| 99 | MenuStart = 0x0004,
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| 100 | MenuEnd = 0x0005,
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| 101 | PopupMenuStart = 0x0006,
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| 102 | PopupMenuEnd = 0x0007,
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| 103 | ContextHelpStart = 0x000C,
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| 104 | ContextHelpEnd = 0x000D,
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| 105 | DragDropStart = 0x000E,
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| 106 | DragDropEnd = 0x000F,
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| 107 | DialogStart = 0x0010,
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| 108 | DialogEnd = 0x0011,
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| 109 | ScrollingStart = 0x0012,
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| 110 | ScrollingEnd = 0x0013,
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| 111 |
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| 112 | MenuCommand = 0x0018,
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| 113 |
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| 114 | ObjectCreated = 0x8000,
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| 115 | ObjectDestroyed = 0x8001,
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| 116 | ObjectShow = 0x8002,
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| 117 | ObjectHide = 0x8003,
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| 118 | ObjectReorder = 0x8004,
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| 119 | Focus = 0x8005,
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| 120 | Selection = 0x8006,
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| 121 | SelectionAdd = 0x8007,
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| 122 | SelectionRemove = 0x8008,
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| 123 | SelectionWithin = 0x8009,
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| 124 | StateChanged = 0x800A,
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| 125 | LocationChanged = 0x800B,
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| 126 | NameChanged = 0x800C,
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| 127 | DescriptionChanged = 0x800D,
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| 128 | ValueChanged = 0x800E,
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| 129 | ParentChanged = 0x800F,
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| 130 | HelpChanged = 0x80A0,
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| 131 | DefaultActionChanged= 0x80B0,
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| 132 | AcceleratorChanged = 0x80C0
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| 133 | };
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| 134 |
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| 135 | enum State {
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| 136 | Normal = 0x00000000,
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| 137 | Unavailable = 0x00000001,
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| 138 | Selected = 0x00000002,
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| 139 | Focused = 0x00000004,
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| 140 | Pressed = 0x00000008,
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| 141 | Checked = 0x00000010,
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| 142 | Mixed = 0x00000020,
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| 143 | ReadOnly = 0x00000040,
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| 144 | HotTracked = 0x00000080,
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| 145 | Default = 0x00000100,
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| 146 | Expanded = 0x00000200,
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| 147 | Collapsed = 0x00000400,
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| 148 | Busy = 0x00000800,
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| 149 | Floating = 0x00001000,
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| 150 | Marqueed = 0x00002000,
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| 151 | Animated = 0x00004000,
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| 152 | Invisible = 0x00008000,
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| 153 | Offscreen = 0x00010000,
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| 154 | Sizeable = 0x00020000,
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| 155 | Moveable = 0x00040000,
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| 156 | SelfVoicing = 0x00080000,
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| 157 | Focusable = 0x00100000,
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| 158 | Selectable = 0x00200000,
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| 159 | Linked = 0x00400000,
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| 160 | Traversed = 0x00800000,
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| 161 | MultiSelectable = 0x01000000,
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| 162 | ExtSelectable = 0x02000000,
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| 163 | AlertLow = 0x04000000,
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| 164 | AlertMedium = 0x08000000,
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| 165 | AlertHigh = 0x10000000,
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| 166 | Protected = 0x20000000,
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| 167 | Valid = 0x3fffffff
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| 168 | };
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| 169 |
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| 170 | enum Role {
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| 171 | NoRole = 0x00000000,
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| 172 | TitleBar = 0x00000001,
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| 173 | MenuBar = 0x00000002,
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| 174 | ScrollBar = 0x00000003,
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| 175 | Grip = 0x00000004,
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| 176 | Sound = 0x00000005,
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| 177 | Cursor = 0x00000006,
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| 178 | Caret = 0x00000007,
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| 179 | AlertMessage = 0x00000008,
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| 180 | Window = 0x00000009,
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| 181 | Client = 0x0000000A,
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| 182 | PopupMenu = 0x0000000B,
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| 183 | MenuItem = 0x0000000C,
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| 184 | ToolTip = 0x0000000D,
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| 185 | Application = 0x0000000E,
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| 186 | Document = 0x0000000F,
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| 187 | Pane = 0x00000010,
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| 188 | Chart = 0x00000011,
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| 189 | Dialog = 0x00000012,
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| 190 | Border = 0x00000013,
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| 191 | Grouping = 0x00000014,
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| 192 | Separator = 0x00000015,
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| 193 | ToolBar = 0x00000016,
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| 194 | StatusBar = 0x00000017,
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| 195 | Table = 0x00000018,
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| 196 | ColumnHeader = 0x00000019,
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| 197 | RowHeader = 0x0000001A,
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| 198 | Column = 0x0000001B,
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| 199 | Row = 0x0000001C,
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| 200 | Cell = 0x0000001D,
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| 201 | Link = 0x0000001E,
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| 202 | HelpBalloon = 0x0000001F,
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| 203 | Character = 0x00000020,
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| 204 | List = 0x00000021,
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| 205 | ListItem = 0x00000022,
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| 206 | Outline = 0x00000023,
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| 207 | OutlineItem = 0x00000024,
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| 208 | PageTab = 0x00000025,
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| 209 | PropertyPage = 0x00000026,
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| 210 | Indicator = 0x00000027,
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| 211 | Graphic = 0x00000028,
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| 212 | StaticText = 0x00000029,
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| 213 | EditableText = 0x0000002A, // Editable, selectable, etc.
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| 214 | PushButton = 0x0000002B,
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| 215 | CheckBox = 0x0000002C,
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| 216 | RadioButton = 0x0000002D,
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| 217 | ComboBox = 0x0000002E,
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| 218 | DropLest = 0x0000002F,
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| 219 | ProgressBar = 0x00000030,
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| 220 | Dial = 0x00000031,
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| 221 | HotkeyField = 0x00000032,
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| 222 | Slider = 0x00000033,
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| 223 | SpinBox = 0x00000034,
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| 224 | Diagram = 0x00000035,
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| 225 | Animation = 0x00000036,
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| 226 | Equation = 0x00000037,
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| 227 | ButtonDropDown = 0x00000038,
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| 228 | ButtonMenu = 0x00000039,
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| 229 | ButtonDropGrid = 0x0000003A,
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| 230 | Whitespace = 0x0000003B,
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| 231 | PageTabList = 0x0000003C,
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| 232 | Clock = 0x0000003D
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| 233 | };
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| 234 |
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| 235 | enum NavDirection {
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| 236 | NavUp = 0x00000001,
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| 237 | NavDown = 0x00000002,
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| 238 | NavLeft = 0x00000003,
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| 239 | NavRight = 0x00000004,
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| 240 | NavNext = 0x00000005,
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| 241 | NavPrevious = 0x00000006,
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| 242 | NavFirstChild = 0x00000007,
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| 243 | NavLastChild = 0x00000008,
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| 244 | NavFocusChild = 0x00000009
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| 245 | };
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| 246 |
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| 247 | enum Text {
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| 248 | Name = 0,
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| 249 | Description,
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| 250 | Value,
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| 251 | Help,
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| 252 | Accelerator,
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| 253 | DefaultAction
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| 254 | };
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| 255 |
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| 256 | static QRESULT queryAccessibleInterface( QObject *, QAccessibleInterface ** );
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| 257 | static void updateAccessibility( QObject *, int who, Event reason );
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| 258 | static bool isActive();
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| 259 |
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| 260 | static void initialize();
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| 261 | static void cleanup();
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| 262 | };
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| 263 |
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| 264 | // {EC86CB9C-5DA0-4c43-A739-13EBDF1C6B14}
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| 265 | #define IID_QAccessible QUuid( 0xec86cb9c, 0x5da0, 0x4c43, 0xa7, 0x39, 0x13, 0xeb, 0xdf, 0x1c, 0x6b, 0x14 )
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| 266 |
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| 267 | struct Q_EXPORT QAccessibleInterface : public QAccessible, public QUnknownInterface
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| 268 | {
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| 269 | // check for valid pointers
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| 270 | virtual bool isValid() const = 0;
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| 271 |
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| 272 | // hierarchy
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| 273 | virtual int childCount() const = 0;
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| 274 | virtual QRESULT queryChild( int control, QAccessibleInterface** ) const = 0;
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| 275 | virtual QRESULT queryParent( QAccessibleInterface** ) const = 0;
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| 276 |
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| 277 | // navigation
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| 278 | virtual int controlAt( int x, int y ) const = 0;
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| 279 | virtual QRect rect( int control ) const = 0;
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| 280 | virtual int navigate( NavDirection direction, int startControl ) const = 0;
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| 281 |
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| 282 | // properties and state
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| 283 | virtual QString text( Text t, int control ) const = 0;
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| 284 | virtual void setText( Text t, int control, const QString &text ) = 0;
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| 285 | virtual Role role( int control ) const = 0;
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| 286 | virtual State state( int control ) const = 0;
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| 287 | virtual QMemArray<int> selection() const = 0;
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| 288 |
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| 289 | // methods
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| 290 | virtual bool doDefaultAction( int control ) = 0;
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| 291 | virtual bool setFocus( int control ) = 0;
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| 292 | virtual bool setSelected( int control, bool on, bool extend ) = 0;
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| 293 | virtual void clearSelection() = 0;
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| 294 | };
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| 295 |
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| 296 | // {49F4C6A7-412F-41DE-9E24-648843421FD3}
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| 297 | #ifndef IID_QAccessibleFactory
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| 298 | #define IID_QAccessibleFactory QUuid( 0x49f4c6a7, 0x412f, 0x41de, 0x9e, 0x24, 0x64, 0x88, 0x43, 0x42, 0x1f, 0xd3 )
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| 299 | #endif
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| 300 |
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| 301 | struct Q_EXPORT QAccessibleFactoryInterface : public QAccessible, public QFeatureListInterface
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| 302 | {
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| 303 | virtual QRESULT createAccessibleInterface( const QString &, QObject *, QAccessibleInterface** ) = 0;
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| 304 | };
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| 305 |
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| 306 | class Q_EXPORT QAccessibleObject : public QObject, public QAccessibleInterface
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| 307 | {
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| 308 | public:
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| 309 | QAccessibleObject( QObject *object );
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| 310 | virtual ~QAccessibleObject();
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| 311 |
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| 312 | QRESULT queryInterface( const QUuid &, QUnknownInterface** );
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| 313 | Q_REFCOUNT
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| 314 |
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| 315 | bool isValid() const;
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| 316 |
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| 317 | protected:
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| 318 | QObject *object() const;
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| 319 |
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| 320 | private:
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| 321 | QGuardedPtr<QObject> object_;
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| 322 | };
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| 323 |
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| 324 | #define Q_DEFINED_QACCESSIBLE_OBJECT
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| 325 | #include "qwinexport.h"
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| 326 | #endif //QT_ACCESSIBILITY_SUPPORT
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| 327 |
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| 328 | #endif //QACCESSIBLE_H
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| 329 | </pre>
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| 330 | <!-- eof -->
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| 331 | <p><address><hr><div align=center>
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| 332 | <table width=100% cellspacing=0 border=0><tr>
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| 333 | <td>Copyright © 2007
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| 334 | <a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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| 335 | <td align=right><div align=right>Qt 3.3.8</div>
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| 336 | </table></div></address></body>
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| 337 | </html>
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