This interface declares a type for each component in the language. A client wishing to subclass the VBT used by a component should be sure that the VBT returned by the overrideVBT method is a subtype of type listed here.
INTERFACEFVTypes ; IMPORT AudioVBT, AnchorSplit, AnchorHelpSplit, BooleanVBT, BorderedVBT, ChoiceVBT, FileBrowserVBT, Filter, FlexVBT, Font, FormsVBT, GuardedBtnVBT, HVSplit, HighlightVBT, ListVBT, MenuSwitchVBT, NumericVBT, PackSplit, PaintOp, PixmapVBT, ProperSplit, ReactivityVBT, ScaleFilter, ScrollerVBT, Shadow, ShadowedVBT, ShadowedBarVBT, SourceVBT, SplitterVBT, StableVBT, SwitchVBT, TSplit, TextEditVBT, TextPort, TextureVBT, TextVBT, TrillSwitchVBT, TypeinVBT, TypescriptVBT, VBT, VideoVBT, ViewportVBT, ZChassisVBT, ZGrowVBT, ZMoveVBT, ZChildVBT, ZTilps; IMPORT StubImageVBT AS ImageVBT; TYPE FVAny = VBT.Leaf; (* just an alias *) FVAnyFilter = Filter.T; (* just an alias *) FVAnySplit = ProperSplit.T; (* just an alias *) FVAudio = AudioVBT.T BRANDED OBJECT END; FVBar = FlexVBT.T BRANDED OBJECT END; FVBoolean <: BooleanVBT.T; FVBorder = BorderedVBT.T BRANDED OBJECT END; FVBrowser = ListVBT.T BRANDED OBJECT END; (* requires a UniSelector *) FVButton <: SwitchVBT.T; FVChisel = ShadowedBarVBT.T BRANDED OBJECT END; FVChoice <: ChoiceVBT.T; FVCloseButton <: PublicCloseButton; FVDirMenu = FileBrowserVBT.DirMenu BRANDED OBJECT END; FVFileBrowser <: FileBrowserVBT.T; FVFill = FlexVBT.T BRANDED OBJECT END; FVFilter = ReactivityVBT.T BRANDED OBJECT END; FVFrame = ShadowedVBT.T BRANDED OBJECT END; FVGeneric = FlexVBT.T BRANDED OBJECT END; FVGlue = FlexVBT.T BRANDED OBJECT END; FVGuard <: GuardedBtnVBT.T; FVHBox <: HVSplit.T; FVHPackSplit = PackSplit.T; FVHTile <: SplitterVBT.T; FVHelp <: AnchorHelpSplit.T; FVHelper = FileBrowserVBT.Helper BRANDED OBJECT END; FVImage <: ImageVBT.T; FVIntApply <: IntApplyPublic; FVLinkButton <: SwitchVBT.T; FVLinkMButton <: MenuSwitchVBT.T; FVMButton <: MenuSwitchVBT.T; FVMenu <: AnchorSplit.T; FVMultiBrowser = ListVBT.T BRANDED OBJECT END; (* requires a MultiSelector *) FVNumeric <: NumericVBT.T; FVPageButton <: PublicPageButton; FVPageMButton <: PublicPageMButton; FVPixmap = PixmapVBT.T BRANDED OBJECT END; FVPopButton <: SwitchVBT.T; FVPopMButton <: MenuSwitchVBT.T; FVRadio = PublicRadio; FVRidge = ShadowedBarVBT.T BRANDED OBJECT END; FVRim = BorderedVBT.T BRANDED OBJECT END; FVScale = ScaleFilter.T BRANDED OBJECT END; FVScroller <: ScrollerVBT.T; FVShape = FlexVBT.T BRANDED OBJECT END; FVSource <: SourceVBT.T; FVStable = StableVBT.T BRANDED OBJECT END; FVTSplit = PublicTSplit; FVTarget = Filter.T BRANDED OBJECT END; FVText = TextVBT.T BRANDED OBJECT END; FVTextEdit = TextEditVBT.T BRANDED OBJECT END; (* requires a Port *) FVTexture = TextureVBT.T BRANDED OBJECT END; FVTrillButton <: TrillSwitchVBT.T; FVTypeIn <: TypeinVBT.T; FVTypescript = TypescriptVBT.T BRANDED OBJECT END; FVVBox <: HVSplit.T; FVVTile <: SplitterVBT.T; FVVideo = VideoVBT.T BRANDED OBJECT END; FVViewport = ViewportVBT.T BRANDED OBJECT END; FVZBackground = HighlightVBT.T BRANDED OBJECT END; FVZChassis <: ZChassisVBT.T; FVZChild = ZChildVBT.T BRANDED OBJECT END; FVZGrow = ZGrowVBT.T BRANDED OBJECT END; FVZMove = ZMoveVBT.T BRANDED OBJECT END; FVZSplit = ZTilps.T BRANDED OBJECT END; TYPE UniSelector <: ListVBT.UniSelector;
If you create a subtype ofFVBrowser, its.selectorfield must beNILor a subtype ofFVTypes.UniSelector.
TYPE MultiSelector <: ListVBT.MultiSelector;
If you create a subtype ofFVBrowser, its.selectorfield must beNILor a subtype ofFVTypes.MultiSelector.
TYPE
Port <: PublicPort;
PublicPort =
TextPort.T OBJECT
METHODS
init (textedit : FVTextEdit;
reportKeys : BOOLEAN;
font : Font.T;
colorScheme : PaintOp.ColorScheme;
wrap, readOnly: BOOLEAN;
turnMargin : REAL ): Port;
END;
If you create a subtype ofFVTextEdit, its.tpfield must beNILor a subtype ofFVTypes.Port.
TYPE
PublicCloseButton =
SwitchVBT.T OBJECT
METHODS
init (ch: VBT.T; shadow: Shadow.T): FVCloseButton
END;
PublicPageButton = SwitchVBT.T OBJECT
METHODS
init (ch : VBT.T;
shadow : Shadow.T;
backwards: BOOLEAN;
tsplit : FVTSplit ): FVPageButton
END;
PublicPageMButton =
MenuSwitchVBT.T OBJECT
METHODS
init (ch : VBT.T;
shadow : Shadow.T;
backwards: BOOLEAN;
tsplit : FVTSplit ): FVPageMButton
END;
PublicRadio = Filter.T OBJECT radio: ChoiceVBT.Group END;
PublicTSplit = TSplit.T OBJECT circular := FALSE END;
IntApplyPublic =
Filter.T OBJECT
METHODS
init (fv : VBT.T;
ch : VBT.T;
name : TEXT;
property: TEXT := NIL): FVIntApply
RAISES {FormsVBT.Error};
(* raises an error if NOT ISTYPE(fv, FormsVBT.T) OR
NOT(ISTYPE(ch, FVNumeric) OR ISTYPE(ch, FVScroller)) *)
END;
END FVTypes.