Introduction
Below you will find how IAccessible2 roles are mapped to Gecko roles. Since IAccessible2 is a superset of MSAA, the IAccessible2 roles are used in conjunction with the MSAA roles.
Role List
| Role | Description | Gecko Role |
|---|---|---|
| IA2_ROLE_UNKNOWN | Unknown role. The object contains some Accessible information, but its role is not known. | ROLE_NOTHING |
| IA2_ROLE_CANVAS | An object that can be drawn into and to manage events from the objects drawn into it. | ROLE_CANVAS |
| IA2_ROLE_CAPTION | A caption describing another object. | ROLE_CAPTION |
| IA2_ROLE_CHECK_MENU_ITEM | Used for check buttons that are menu items. | ROLE_CHECK_MENU_ITEM |
| IA2_ROLE_COLOR_CHOOSER | A specialized dialog that lets the user choose a color. | ROLE_COLOR_CHOOSER |
| IA2_ROLE_DATE_EDITOR | A date editor. | ROLE_DATE_EDITOR |
| IA2_ROLE_DESKTOP_ICON | An iconified internal frame in an ::IA2_ROLE_DESKTOP_PANE. | ROLE_DESKTOP_ICON |
| IA2_ROLE_DESKTOP_PANE | A desktop pane. A pane that supports internal frames and iconified versions of those internal frames. | ROLE_DESKTOP_FRAME |
| IA2_ROLE_DIRECTORY_PANE | A directory pane. A pane that allows the user to navigate through and select the contents of a directory. May be used by a file chooser. | ROLE_DIRECTORY_PANE |
| IA2_ROLE_EDITBAR | An editable text object in a toolbar. | ROLE_EDITBAR |
| IA2_ROLE_EMBEDDED_OBJECT | Embeded (OLE) object. | no |
| IA2_ROLE_ENDNOTE | Text that is used as an endnote (footnote at the end of a chapter or section). | no |
| IA2_ROLE_FILE_CHOOSER | A file chooser. A specialized dialog that displays the files in the directory and lets the user select a file, browse a different directory, or specify a filename. May use the directory pane to show the contents of a directory. | ROLE_FILE_CHOOSER |
| IA2_ROLE_FONT_CHOOSER | A font chooser. A font chooser is a component that lets the user pick various attributes for fonts. | ROLE_FONT_CHOOSER |
| IA2_ROLE_FOOTER | Footer of a document page. | ROLE_FOOTER |
| IA2_ROLE_FOOTNOTE | Text that is used as a footnote. | no |
| IA2_ROLE_FORM | A container of form controls. An example of the use of this role is to represent an HTML FORM tag. | ROLE_FORM |
| IA2_ROLE_FRAME | Frame role. A top level window with a title bar, border, menu bar, etc. It is often used as the primary window for an application. | ROLE_CHROME_WINDOW |
| IA2_ROLE_GLASS_PANE | A glass pane. A pane that is guaranteed to be painted on top of all panes beneath it. | ROLE_GLASS_PANE |
| IA2_ROLE_HEADER | Header of a document page. | ROLE_HEADER |
| IA2_ROLE_HEADING | Heading. | ROLE_HEADING |
| IA2_ROLE_ICON | A small fixed size picture, typically used to decorate components. | ROLE_ICON |
| IA2_ROLE_IMAGE_MAP | An image map object. Usually a graphic with multiple hotspots, where each hotspot can be activated resulting in the loading of another document or section of a document. | no |
| IA2_ROLE_INPUT_METHOD_WINDOW | An object which is used to allow input of characters not found on a keyboard, such as the input of Chinese characters on a Western keyboard. | ROLE_IME |
| IA2_ROLE_INTERNAL_FRAME | An internal frame. A frame-like object that is clipped by a desktop pane. The desktop pane, internal frame, and desktop icon objects are often used to create multiple document interfaces within an application. | ROLE_INTERNAL_FRAME |
| IA2_ROLE_LABEL | An object used to present an icon or short string in an interface. | ROLE_LABEL |
| IA2_ROLE_LAYERED_PANE | A layered pane. | ROLE_LAYERED_PANE |
| IA2_ROLE_NOTE | An embedded note which is not visible until activated. | no |
| IA2_ROLE_OPTION_PANE | A specialized pane whose primary use is inside a dialog. | ROLE_OPTION_PANE |
| IA2_ROLE_PAGE | An object representing a page of document content. | ROLE_PAGE |
| IA2_ROLE_PARAGRAPH | A paragraph of text. | ROLE_PARAGRAPH |
| IA2_ROLE_RADIO_MENU_ITEM | A radio button that is a menu item. | ROLE_RADIO_MENU_ITEM |
| IA2_ROLE_REDUNDANT_OBJECT | An object which is redundant with another object in the accessible hierarchy. | ROLE_REDUNDANT_OBJECT |
| IA2_ROLE_ROOT_PANE | A root pane. A specialized pane that has a glass pane and a layered pane as its children. | ROLE_ROOT_PANE |
| IA2_ROLE_RULER | A ruler such as those used in word processors. | ROLE_RULER |
| IA2_ROLE_SCROLL_PANE | A scroll pane. An object that allows a user to incrementally view a large amount of information. | ROLE_SCROLL_PANE |
| IA2_ROLE_SECTION | A section may be used as a region. A region is a group of elements that together form a perceivable unit. A region does not necessarily follow the logical structure of the content, but follows the perceivable structure of the page. A region may have an attribute in the set of IAccessible2::attributes which indicates that it is "live". A live region is content that is likely to change in response to a timed change, a user event, or some other programmed logic or event. | ROLE_SECTION |
| IA2_ROLE_SHAPE | Object with graphical representation used to represent content on draw pages. | no |
| IA2_ROLE_SPLIT_PANE | A split pane. A specialized panel that presents two other panels at the same time. Between the two panels is a divider the user can manipulate to make one panel larger and the other panel smaller. | ROLE_SPLIT_PANE |
| IA2_ROLE_TEAR_OFF_MENU | An object that forms part of a menu system but which can be "undocked" from or "torn off" the menu system to exist as a separate window. | ROLE_TEAR_OFF_MENU_ITEM |
| IA2_ROLE_TERMINAL | An object used as a terminal emulator. | ROLE_TERMINAL |
| IA2_ROLE_TEXT_FRAME | Collection of objects that constitute a logical text entity. | ROLE_TEXT_CONTAINER |
| IA2_ROLE_TOGGLE_BUTTON | A toggle button. A specialized push button that can be checked or unchecked, but does not provide a separate indicator for the current state. | ROLE_TOGGLE_BUTTON |
| IA2_ROLE_VIEW_PORT | A viewport. An object usually used in a scroll pane. It represents the portion of the entire data that the user can see. As the user manipulates the scroll bars, the contents of the viewport can change. | ROLE_VIEWPORT |
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