Accessibility/IA2ToGecko
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Note
This page is obsolete by AT APIs Supported Features where you will find map of IA2 to Gecko A11y API.
IAccessible2
| IA2 | Description | Gecko | Status | Bug |
|---|---|---|---|---|
| nRelations | Returns the number of accessible relations for this object | nsIAccessible:: relationsCount | implemented | 381312 |
| relation | Returns one accessible relation for this object by index | nsIAccessible:: getRelation() | implemented | 381312 |
| relations | Returns multiple accessible relations for this object | nsIAccessible:: getRelations() | implemented | 381312 |
| role | Returns the role of an IAccessible2 object. | nsIAccessible::role | implemented | 373364 |
| scrollTo | Makes an object visible on screen | nsIAccessNode::scrollTo | implemented | 371593 |
| scrollPointTo | Moves the top left of an object to a specified location. | nsIAccessNode::scrollPointTo | implemented | 377302 |
| groupPosition | Returns grouping information | nsIAccessible::groupPosition | implemented | 371594 |
| states | Returns the bit strip containing any IAccessible2 states | nsIAccessible::finalState | implemented | 373531 |
| extendedRole | Returns the extended role | not supported by Gecko, no way to expose | not implemented | 369082 |
| localizedExtendedRole | Returns the localized extended role | not supported by Gecko, no way to expose | not implemented | 369082 |
| nExtendedStates | Returns the number of extended states | not supported by Gecko, no way to expose | not implemented | 369082 |
| extendedStates | Returns the extended states (array of strings) | not supported by Gecko, no way to expose | not implemented | 369082 |
| localizedExtendedStates | Returns the localized extended states (array of strings) | not supported by Gecko, no way to expose | not implemented | 369082 |
| uniqueID | Returns the unique ID | nsIAccessNode::uniqueID | implemented | 372708 |
| windowHandle | Returns the window handle for the parent window which contains this object | nsIAccessNode::ownerWindow | implemented | 372708 |
| indexInParent | Returns the index of this object in its parent object | nsIAccessible::indexInParent | implemented | 372708 |
| locale | Returns the IA2Locale of the accessible object | nsIAccessNode ::language | implemented | 405747 |
| attributes | Returns the attributes specific to this IAccessible2 object, such as a cell's formula | nsIAccessible::attributes | implemented | 377294 |
IAccessibleAction
| IA2 | Description | Gecko | Status | Bug |
|---|---|---|---|---|
| nActions | Returns the number of accessible actions available in this object | nsIAccessible::numActions | implemented | 370790 |
| doAction | Performs the specified Action on the object | nsIAccessible::doAction() | implemented | 370790 |
| description | Returns a description of the specified action of the object | nsIAccessible::getActionDescription() | implemented | 369777, 370790 |
| keyBinding | Returns an array of BSTRs describing one or more key bindings, if there are any, associated with the specified action | nsIAccessible::keyBindings() | implemented | 371750, 370790 |
| name | Returns the non-localized name of specified action | nsIAccessible::getActionName() | implemented | 370790 |
| localizedName | Returns the localized name of specified action | not supported by Gecko, no way to expose | not implemented | 369082 |
IAccessibleApplication
| IA2 | Description | Gecko | Status | Bug |
|---|---|---|---|---|
| appName | Returns the application name | nsIXULAppInfo::name | implemented | bug 383095 |
| appVersion | Returns the application version | nsIXULAppInfo::version | implemented | bug 383095 |
| toolkitName | Returns the toolkit/bridge name | "Gecko" | implemented | bug 383095 |
| toolkitVersion | Returns the toolkit/bridge version | nsIXULAppInfo::version | implemented | bug 383095 |
IAccessibleComponent
| IA2 | Description | Gecko | Status | Bug |
|---|---|---|---|---|
| locationInParent | Returns the location of the upper left corner of the object's bounding box relative to the parent | nsIAccessible::getBounds() | implemented | 380524 |
| foreground | Returns the foreground color of this object | nsIAccessNode:: getComputedStyleCSSValue() | implemented | 380524 |
| background | Returns the background color of this object | nsIAccessNode:: getComputedStyleCSSValue() | implemented | 380524 |
IAccessibleEditableText
| IA2 | Description | Gecko | Status | Bug |
|---|---|---|---|---|
| copyText | Copies the text range into the clipboard | nsIAccessibleEditableText:: copyText | implemented | 378038 |
| deleteText | Deletes a range of text | nsIAccessibleEditableText:: deleteText | implemented | 378038 |
| insertText | Inserts text at the specified position | nsIAccessibleEditableText:: insertText | implemented | 378038 |
| cutText | Deletes a range of text and copies it to the clipboard | nsIAccessibleEditableText:: cutText | implemented | 378038 |
| pasteText | Pastes text from the clipboard | nsIAccessibleEditableText:: pasteText | implemented | 378038 |
| replaceText | Replaces text | deleteText + insertText | implemented | 378038 |
| setAttributes | Replaces the attributes of a text range by the given set of attributes | nsIAccessibleEditableText:: setAttributes |
IAccessibleHyperlink
| IA2 | Description | Gecko | Status | Bug |
|---|---|---|---|---|
| anchor | Returns an object that represents the link anchor, as appropriate for the link at the specified index | nsIAccessibleHyperLink::getObject() | implemented | 380508 |
| anchorTarget | Returns an object representing the target of the link, as appropriate for the link at the specified index | nsIAccessibleHyperLink::getURI() | implemented | 380508 |
| startIndex | Returns the index at which the textual representation of the hyperlink starts | nsIAccessibleHyperLink::startIndex | implemented | 380508 |
| endIndex | Returns the index at which the textual rerpesentation of the hyperlink ends | nsIAccessibleHyperLink::endIndex | implemented | 380508 |
| valid | Returns whether the target object referenced by this link is still valid | nsIAccessibleHyperLink::isValid() | implemented | 380508 |
IAccessibleHypertext
| IA2 | Description | Gecko | Status | Bug |
|---|---|---|---|---|
| nHyperlinks | Returns the number of links and link groups contained within this hypertext paragraph | nsIAccessibleHyperText:: links | implemented | 379579 |
| hyperlink | Returns the specified link | nsIAccessibleHyperText:: getLink() | implemented | 379579 |
| hyperlinkIndex | Returns the index of the hyperlink that is associated with this character index | nsIAccessibleHyperText:: getLinkIndex | implemented | 379579 |
IAccessibleImage
| IA2 | Description | Gecko | Status | Bug |
|---|---|---|---|---|
| description | Returns the localized description of the image | nsIAccessible::name | implemented | 380022 |
| imagePosition | Returns the coordinates of the image | nsIAccessibleImage:: getImagePosition() | implemented | 380022 |
| imageSize | Returns the size of the image in units specified by parent's coordinate system | nsIAccessibleImage:: getImageSize() | implemented | 380022 |
IAccessibleRelation
Implement IAccessibleRelation analogue in Gecko (see bug 345780).
| IA2 | Description | Gecko | Status | Bug |
|---|---|---|---|---|
| relationType | Returns the type of the relation | nsIAccessibleRelation:: relationType | implemented | 381312 |
| localizedRelationType | Returns a localized version of the relation type | not supported by Gecko, no way to expose | not implemented | 369082 |
| nTargets | Returns the number of targets for this relation | nsIAccessibleRelation:: targetsCount | implemented | 381312 |
| target | Returns one accessible relation target | nsIAccessibleRelation:: getTarget | implemented | 381312 |
| targets | Returns multiple accessible relation targets | nsIAccessibleRelation:: getTargets | implemented | 381312 |
IAccessibleTable
Missed Gecko methods should be appended from atk part. Related problem xul:tree doesn't support nsIAccessibleTable bug 367905.
| IA2 | Description | Gecko | Status | Bug |
|---|---|---|---|---|
| accessibleAt | Returns the IAccessible2 object at the specified row and column in the table | nsIAccessibleTable:: cellRefAt() | implemented | 379585 |
| caption | Returns the caption for the table | nsIAccessibleTable:: caption | implemented | 379585 |
| childIndex | Translates the given row and column indices into the corresponding child index | nsIAccessibleTable:: getIndexAt() | implemented | 379585 |
| columnDescription | Returns the description text of the specified column in the table | nsIAccessibleTable:: getColumnDescription() | implemented | 379585 |
| columnExtentAt | Returns the number of columns occupied by the accessible object at the specified row and column in the table | nsIAccessibleTable:: getColumnExtentAt() | implemented | 379585 |
| columnHeader | Returns the column headers as an IAccessibleTable object | nsIAccessibleTable:: columnHeader | implemented | 379585 |
| columnIndex | Translates the given child index into the corresponding column index | nsIAccessibleTable:: getColumnAtIndex | implemented | 379585 |
| nColumns | Returns the total number of columns in table | nsIAccessibleTable:: columns | implemented | 379585 |
| nRows | Returns the total number of rows in table | nsIAccessibleTable:: rows | implemented | 379585 |
| nSelectedChildren | Returns the total number of selected children | nsIAccessibleTable:: selectedCellsCount | implemented | bug 385573 |
| nSelectedColumns | Returns the total number of selected columns | nsIAccessibleTable:: selectedColumnsCount | implemented | bug 385573 |
| nSelectedRows | Returns the total number of selected rows | nsIAccessibleTable:: selectedRowsCount | implemented | bug 385573 |
| rowDescription | Returns the description text of the specified row in the table | nsIAccessibleTable:: getRowDescription() | implemented | 379585 |
| rowExtentAt | Returns the number of rows occupied by the accessible oject at the specified row and column in the table | nsIAccessibleTable:: getRowExtentAt() | implemented | 379585 |
| rowHeader | Returns the row headers as an IAccessibleTable object | nsIAccessibleTable:: rowHeader | implemented | 379585 |
| rowIndex | Translates the given child index into a row index. | nsIAccessibleTable:: getRowIndex() | implemented | 379585 |
| selectedChildren | Returns a list of child indexes currently selected (0-based). | nsIAccessibleTable:: getSelectedCells() | implemented | bug 385573 |
| selectedRows | Returns a list of row indexes currently selected (0-based) | nsIAccessibleTable:: getSelectedRows() | implemented | bug 385573 |
| selectedColumns | Returns a list of column indexes currently selected (0-based) | nsIAccessibleTable:: getSelectedColumns() | implemented | bug 385573 |
| summary | Returns the summary description of the table. The returned object could be an IAccessible or an IAccessible2. | no way to expose in Gecko | in progress | 407589 |
| isColumnSelected | Returns a boolean value indicating whether the specified column is completely selected | nsIAccessibleTable:: isColumnSelected | implemented | 379585 |
| isRowSelected | Returns a boolean value indicating whether the specified row is completely selected | nsIAccessibleTable:: isRowSelected | implemented | 379585 |
| isSelected | Returns a boolean value indicating whether the specified cell is selected | nsIAccessibleTable:: isCellSelected | implemented | 379585 |
| selectRow | Selects a row and unselects all previously selected rows | nsIAccessibleTable::selectRow | implemented | 380038 |
| selectColumn | Selects a column and unselects all previously selected columns | nsIAccessibleTable::selectColumn | implemented | 380038 |
| unselectRow | Unselects one row, leaving other selected rows selected (if any) | nsIAccessibleTable::unselectRow | implemented | 380038 |
| unselectColumn | Unselects one column, leaving other selected columns selected (if any) | nsIAccessibleTable::unselectColumn | implemented | 380038 |
| rowColumnExtentsAtIndex | Given a child index, gets the row and column indexes and extents of a cell and whether or not it is selected | implemented | 387857 | |
| modelChange | Returns the type and extents describing how a table changed | ?? | 385317 |
IAccessibleText
| IA2 | Description | Gecko | Status | Bug |
|---|---|---|---|---|
| addSelection | Adds a text selection | nsIAccessibleText:: addSelection() | implemented | 378038 |
| attributes | Returns text attributes | nsIAccessibleText:: getTextAttributes | in progress | 345759, see supported attributes list |
| caretOffset | Returns the position of the caret | nsIAccessibleText:: caretOffset | implemented | 378038 |
| characterExtents | Returns the bounding box of the specified position | nsIAccessibleText:: getCharacterExtents() | implemented | 378038 |
| nSelections | Returns the number of active non-contiguous selections | nsIAccessibleText:: selectionCount | implemented | 378038 |
| offsetAtPoint | Returns the text position for the specified screen position | nsIAccessibleText:: getOffsetAtPoint() | implemented | 378038 |
| selection | Returns the character offsets of N-th active text selection | nsIAccessibleText:: getSelectionBounds() | implemented | 378038 |
| text | Returns the substring between the two given indices | nsIAccessibleText:: getText() | implemented | 378038 |
| textBeforeOffset | Returns a text portion before the given position | nsIAccessibleText:: getTextBeforeOffset() | implemented | 378038, correct implementation? |
| textAfterOffset | Returns a text portion after the given position | nsIAccessibleText:: getTextAfterOffset() | implemented | 378038, correct implementation? |
| textAtOffset | Returns a text portion that spans the given position | nsIAccessibleText:: getTextAtOffset() | implemented | 378038, correct implementation? |
| removeSelection | Unselects a range of text | nsIAccessibleText:: removeSelection() | implemented | 378038 |
| setCaretOffset | Sets the position of the caret | nsIAccessibleText:: caretOffset | implmented | 378038 |
| setSelection | Changes the bounds of an existing selection | nsIAccessibleText:: setSelectionBounds() | implemented | 378038 |
| nCharacters | Returns total number of characters | nsIAccessibleText:: characterCount | implemented | 378038 |
| scrollSubstringTo | Makes a specific part of string visible on screen | nsIAccessibleText:: scrollSubstringTo | implemented | 378038, bug 371680 |
| scrollSubstringToPoint | Moves the top left of a substring to a specified location | nsIAccessibleText:: scrollSubstringToPoint | implemented | 378038, bug 371680 |
| newText | Returns any inserted text | refer to nsIAccessibleTextChangeEvent | implemented | 378038 |
| oldText | Returns any removed text | refer to nsIAccessibleTextChangeEvent | implemented | 378038 |
IAccessibleValue
| IA2 | Description | Gecko | Status | Bug |
|---|---|---|---|---|
| currentValue | Returns the value of this object as a number | nsIAccessibleValue:: currentValue | implemented | 380021 |
| setCurrentValue | Sets the value of this object to the given number | nsIAccessibleValue:: currentValue | implemented | 380021 |
| maximumValue | Returns the maximal value that can be represented by this object | nsIAccessibleValue:: maximumValue | implemented | 380021 |
| minimumValue | Returns the minimal value that can be represented by this object | nsIAccessibleValue:: minimumValue | implemented | 380021 |
Events
MSAA Events
| MSAA Event | Description | Gecko Event | Is supported |
|---|---|---|---|
| EVENT_SYSTEM_SOUND | A sound has been played. | No | No |
| EVENT_SYSTEM_ALERT | An alert has been generated. Server applications send this event when a user needs to know that a user interface element has changed. | EVENT_ALERT | No |
| EVENT_SYSTEM_FOREGROUND | The foreground window has changed | EVENT_FOREGROUND | No |
| EVENT_SYSTEM_MENUSTART | A menu item on the menu bar has been selected. | EVENT_MENU_START | Yes |
| EVENT_SYSTEM_MENUEND | A menu from the menu bar has been closed. | EVENT_MENU_END | Yes |
| EVENT_SYSTEM_MENUPOPUPSTART | A pop-up menu has been displayed. | EVENT_MENUPOPUP_START | Yes |
| EVENT_SYSTEM_MENUPOPUPEND | A pop-up menu has been closed. | EVENT_MENUPOPUP_END | Yes |
| EVENT_SYSTEM_CAPTURESTART | A window has received mouse capture. | EVENT_CAPTURE_START | No |
| EVENT_SYSTEM_CAPTUREEND | A window has lost mouse capture. | EVENT_CAPTURE_END | No |
| EVENT_SYSTEM_MOVESIZESTART | A window is being moved or resized. | EVENT_MOVESIZE_START | No |
| EVENT_SYSTEM_MOVESIZEEND | The movement or resizing of a window has finished. | EVENT_MOVESIZE_END | No |
| EVENT_SYSTEM_CONTEXTHELPSTART | A window has entered context-sensitive Help mode. | EVENT_CONTEXTHELP_START | No |
| EVENT_SYSTEM_CONTEXTHELPEND | A window has exited context-sensitive Help mode. | EVENT_CONTEXTHELP_END | No |
| EVENT_SYSTEM_DRAGDROPSTART | An application is about to enter drag-and-drop mode. | EVENT_DRAGDROP_START | No |
| EVENT_SYSTEM_DRAGDROPEND | An application is about to exit drag-and-drop mode. | EVENT_DRAGDROP_END | No |
| EVENT_SYSTEM_DIALOGSTART | A dialog box has been displayed. | EVENT_DIALOG_START | No |
| EVENT_SYSTEM_DIALOGEND | A dialog box has been closed. | EVENT_DIALOG_END | No |
| EVENT_SYSTEM_SCROLLINGSTART | Scrolling has started on a scroll bar. | EVENT_SCROLLING_START | Yes |
| EVENT_SYSTEM_SCROLLINGEND | Scrolling has ended on a scroll bar. | EVENT_SCROLLING_END | Yes |
| EVENT_OBJECT_CREATE | An object has been created. | EVENT_CREATE | No |
| EVENT_OBJECT_DESTROY | An object has been destroyed. | EVENT_DESTROY | No |
| EVENT_OBJECT_SHOW | A hidden object is shown. | EVENT_SHOW | Yes |
| EVENT_OBJECT_HIDE | An object is hidden. | EVENT_HIDE | Yes |
| EVENT_OBJECT_REORDER | A container object has added, removed, or reordered its children. | EVENT_REORDER | Yes |
| EVENT_OBJECT_INVOKED | An object has been invoked; for example, the user has clicked a button. | No | No |
| EVENT_OBJECT_FOCUS | An object has received the keyboard focus. | EVENT_FOCUS | Yes |
| EVENT_OBJECT_SELECTION | The selection within a container object has changed. | EVENT_SELECTION | Yes |
| EVENT_OBJECT_SELECTIONADD | An item within a container object has been added to the selection. | EVENT_SELECTION_ADD | Yes |
| EVENT_OBJECT_SELECTIONREMOVE | An item within a container object has been removed from the selection. | EVENT_SELECTION_REMOVE | Yes |
| EVENT_OBJECT_SELECTIONWITHIN | Numerous selection changes have occurred within a container object. | EVENT_SELECTION_WITHIN | Yes |
| EVENT_OBJECT_TEXTSELECTIONCHANGED | An object's text selection has changed. | EVENT_TEXT_SELECTION_CHANGED | Yes (Not mapped) |
| EVENT_OBJECT_CONTENTSCROLLED | A window object's scrolling has ended. | No | No |
| EVENT_OBJECT_STATECHANGE | An object's state has changed. | EVENT_STATE_CHANGE | Yes |
| EVENT_OBJECT_LOCATIONCHANGE | An object has changed location, shape, or size. | EVENT_LOCATION_CHANGE | Yes |
| EVENT_OBJECT_NAMECHANGE | An object's Name property has changed. | EVENT_NAME_CHANGE | Yes |
| EVENT_OBJECT_DESCRIPTIONCHANGE | An object's Description property has changed. | EVENT_DESCRIPTION_CHANGE | Yes |
| EVENT_OBJECT_VALUECHANGE | An object's Value property has changed. | EVENT_VALUE_CHANGE | Yes |
| EVENT_OBJECT_PARENTCHANGE | An object has a new parent object | EVENT_VALUE_CHANGE | No |
| EVENT_OBJECT_HELPCHANGE | An object's Help property has changed. | EVENT_HELP_CHANGE | No |
| EVENT_OBJECT_DEFACTIONCHANGE | An object's DefaultAction property has changed. | EVENT_DEFACTION_CHANGE | No |
| EVENT_OBJECT_ACCELERATORCHANGE | An object's KeyboardShortcut property has changed. | EVENT_ACCELERATOR_CHANGE | No |
IA2 Events
| IA2 Event ('IA2_EVENT_' prefix is omitted) | Description | Gecko Event ('EVENT_' prefix is omitted) | Is supported |
|---|---|---|---|
| ACTION_CHANGED | The change of the number or attributes of actions of an accessible object is signaled by events of this type. | ACTION_CHANGE | No |
| ACTIVE_DECENDENT_CHANGED | The active descendant of a component has changed. The active descendant is used in objects with transient children | ACTIVE_DECENDENT_CHANGED | No |
| DOCUMENT_ATTRIBUTE_CHANGED | The document wide attributes of the document object have changed. | DOCUMENT_ATTRIBUTES_CHANGED | No |
| DOCUMENT_LOAD_COMPLETE | The loading of the document has completed. | DOCUMENT_LOAD_COMPLETE | Yes |
| DOCUMENT_LOAD_STOPPED | The loading of the document was interrupted. | DOCUMENT_LOAD_STOPPED | Yes |
| DOCUMENT_RELOAD | The document contents are being reloaded. | DOCUMENT_RELOAD | Yes |
| HYPERLINK_END_INDEX_CHANGED | The ending index of this link within the containing string has changed. | HYPERLINK_END_INDEX_CHANGED | No |
| HYPERLINK_NUMBER_OF_ANCHORS_CHANGED | The number of anchors assoicated with this hyperlink object has changed. | HYPERLINK_NUMBER_OF_ANCHORS_CHANGED | No |
| HYPERLINK_SELECTED_LINK_CHANGED | The hyperlink selected state changed from selected to unselected or from unselected to selected. | HYPERLINK_SELECTED_LINK_CHANGED | No |
| HYPERTEXT_LINK_ACTIVATED | One of the links associated with the hypertext object has been activated. | HYPERTEXT_LINK_ACTIVATED | No |
| HYPERTEXT_LINK_SELECTED | One of the links associated with the hypertext object has been selected. | HYPERTEXT_LINK_SELECTED | Yes |
| HYPERLINK_START_INDEX_CHANGED | The starting index of this link within the containing string has changed. | HYPERLINK_START_INDEX_CHANGED | No |
| HYPERTEXT_CHANGED | Focus has changed from one hypertext object to another, or focus moved from a non-hypertext object to a hypertext object, or focus moved from a hypertext object to a non-hypertext object. | HYPERTEXT_CHANGED | No |
| HYPERTEXT_NLINKS_CHANGED | The number of hyperlinks associated with a hypertext object changed. | HYPERTEXT_NLINKS_CHANGED | No |
| OBJECT_ATTRIBUTE_CHANGED | An object's attributes changed. | OBJECT_ATTRIBUTE_CHANGED | No |
| PAGE_CHANGED | A slide changed in a presentation document or a page boundary was crossed in a word processing document. | PAGE_CHANGED | No |
| ROLE_CHANGED | An object's role changed. | ROLE_CHANGED | No |
| TABLE_CAPTION_CHANGED | A table caption changed. | TABLE_CAPTION_CHANGED | No |
| TABLE_COLUMN_DESCRIPTION_CHANGED | A table's column description changed. | TABLE_COLUMN_DESCRIPTION_CHANGED | No |
| TABLE_COLUMN_DESCRIPTION_CHANGED | A table's column description changed. | TABLE_COLUMN_DESCRIPTION_CHANGED | No |
| TABLE_COLUMN_HEADER_CHANGED | A table's column header changed. | TABLE_COLUMN_HEADER_CHANGED | No |
| TABLE_MODEL_CHANGED | A table's data changed. | TABLE_MODEL_CHANGED | Yes |
| TABLE_ROW_DESCRIPTION_CHANGED | A table's row description changed. | TABLE_ROW_DESCRIPTION_CHANGED | No |
| TABLE_ROW_HEADER_CHANGED | A table's row header changed. | TABLE_ROW_HEADER_CHANGED | No |
| TABLE_SUMMARY_CHANGED | A table's summary changed. | TABLE_SUMMARY_CHANGED | No |
| TEXT_ATTRIBUTE_CHANGED | A text object's attributes changed. | TEXT_ATTRIBUTE_CHANGED | No |
| TEXT_CARET_MOVED | The caret has moved to a new position. | TEXT_CARET_MOVED | Yes |
| TEXT_CHANGED | This event indicates general text changes, i.e. changes to text that is exposed through the IAccessibleText and IAccessibleEditableText interfaces. | TEXT_CHANGED | Yes |
| TEXT_INSERTED | Text was inserted. | TEXT_INSERTED | No |
| TEXT_REMOVED | Text was removed. | TEXT_REMOVED | No |
| TEXT_UPDATED | Text was updated. | TEXT_UPDATED | No |
| TEXT_SELECTION_CHANGED | The text selection changed. | TEXT_SELECTION_CHANGED | Yes |
| VISIBLE_DATA_CHANGED | A visibile data event indicates the change of the visual appearance of an accessible object. This includes for example most of the attributes available via the IAccessibleComponent interface. | VISIBLE_DATA_CHANGED | No |
| COLUMN_CHANGED | The caret moved from one column to the next. | COLUMN_CHANGED | No |
| SECTION_CHANGED | The caret moved from one section to the next. | SECTION_CHANGED | No |