| 1 | unit VA508AccessibilityConst;
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| 2 |
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| 3 | interface
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| 4 |
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| 5 | uses
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| 6 | Windows, SysUtils;
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| 7 |
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| 8 | // When a component receives focus, the screen reader needs to request data about the
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| 9 | // component. The Call Back proc is called, and the VA app then supplies the info by
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| 10 | // returning the requested values
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| 11 |
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| 12 | const
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| 13 | JAWS_REQUIRED_VERSION = '7.10.500';
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| 14 | JAWS_APPLICATION_FILENAME = 'jfw.exe';
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| 15 |
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| 16 | // flags sent to and from the screen reader
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| 17 | // if data is not sent from the app, then the screen reader should use it's default mechanism to
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| 18 | // read the data.
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| 19 | DATA_ALL_BITS = $FFFFFF;
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| 20 |
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| 21 | DATA_NONE = $000000; // No flags set
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| 22 |
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| 23 | DATA_CAPTION = $000001; // Sent both ways indicating data requested / sent
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| 24 | DATA_VALUE = $000002; // Sent both ways indicating data requested / sent
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| 25 | DATA_CONTROL_TYPE = $000004; // Sent both ways indicating data requested / sent
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| 26 | DATA_STATE = $000008; // Sent both ways indicating data requested / sent
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| 27 | DATA_INSTRUCTIONS = $000010; // Sent both ways indicating data requested / sent
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| 28 | DATA_ITEM_INSTRUCTIONS = $000020; // Sent both ways indicating data requested / sent
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| 29 | DATA_DATA = $000040; // Sent both ways indicating data requested / sent
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| 30 | DATA_MASK_DATA = DATA_ALL_BITS - DATA_DATA;
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| 31 |
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| 32 | DATA_CHANGE_EVENT = $001000; // Sent by app indicating am item or state change event
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| 33 | DATA_MASK_CHANGE_EVENT = DATA_ALL_BITS - DATA_CHANGE_EVENT;
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| 34 |
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| 35 | DATA_ITEM_CHANGED = $002000; // in a change event, indicates a child item has changed
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| 36 |
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| 37 | DATA_CUSTOM_KEY_COMMAND = $100000; // custom key command
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| 38 | DATA_CUSTOM_KEY_COMMAND_MASK = DATA_ALL_BITS - $100000;
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| 39 |
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| 40 | DATA_ERROR = $800000; // component not found
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| 41 |
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| 42 | const
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| 43 | BEHAVIOR_ADD_DICTIONARY_CHANGE = $0001; // pronounce a word differently
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| 44 | BEHAVIOR_ADD_COMPONENT_CLASS = $0002; // add assignment to treat a custom component class as a standard component class
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| 45 | BEHAVIOR_REMOVE_COMPONENT_CLASS = $0003; // remove assignment treat a custom component class as a standard component class
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| 46 | BEHAVIOR_ADD_COMPONENT_MSAA = $0004; // add assignment to use MSAA for class information
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| 47 | BEHAVIOR_REMOVE_COMPONENT_MSAA = $0005; // remove assignment to use MSAA for class information
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| 48 | BEHAVIOR_ADD_CUSTOM_KEY_MAPPING = $0006; // assign a custom key mapping
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| 49 | BEHAVIOR_ADD_CUSTOM_KEY_DESCRIPTION = $0007; // assign a custom key mapping Description
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| 50 | BEHAVIOR_PURGE_UNREGISTERED_KEY_MAPPINGS = $0008; // purge custom key mappings that were not assigned using BEHAVIOR_ADD_CUSTOM_KEY_MAPPING
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| 51 |
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| 52 | const
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| 53 | CLASS_BEHAVIOR_BUTTON = 'Button';
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| 54 | CLASS_BEHAVIOR_CHECK_BOX = 'CheckBox';
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| 55 | CLASS_BEHAVIOR_COMBO_BOX = 'ComboBox';
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| 56 | CLASS_BEHAVIOR_DIALOG = 'Dialog';
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| 57 | CLASS_BEHAVIOR_EDIT = 'Edit';
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| 58 | CLASS_BEHAVIOR_EDIT_COMBO = 'EditCombo';
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| 59 | CLASS_BEHAVIOR_GROUP_BOX = 'GroupBox';
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| 60 | CLASS_BEHAVIOR_LIST_VIEW = 'ListView';
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| 61 | CLASS_BEHAVIOR_LIST_BOX = 'ListBox';
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| 62 | CLASS_BEHAVIOR_TREE_VIEW = 'TreeView';
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| 63 | CLASS_BEHAVIOR_STATIC_TEXT = 'StaticText';
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| 64 |
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| 65 | const
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| 66 | CRLF = #13#10;
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| 67 | ERROR_INTRO =
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| 68 | 'In an effort to more fully comply with Section 508 of the Rehabilitation' + CRLF +
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| 69 | 'Act, the software development team has created a special Accessibility' + CRLF +
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| 70 | 'Framework that directly communicates with screen reader applications.' + CRLF + CRLF;
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| 71 |
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| 72 | type
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| 73 | TConfigReloadProc = procedure of object;
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| 74 | TComponentDataRequestProc = procedure(WindowHandle: HWND; DataRequest: LongInt); stdcall;
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| 75 | TVA508QueryProc = procedure(Sender: TObject; var Text: string);
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| 76 | TVA508ListQueryProc = procedure(Sender: TObject; ItemIndex: integer; var Text: string);
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| 77 | TVA508Exception = Exception;
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| 78 |
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| 79 | implementation
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| 80 |
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| 81 | end.
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