section 3U · Library functions 📚

A

• align(3U)commands for aligning interactors to each other and to a grid✨

B

• BasicDialog(3U)an assortment of useful dialog boxes✨
• BrushCmd(3U)command for setting components' brush attribute✨

C

• Catalog(3U)stores and retrieves named objects✨
• catcmds(3U)catalog-oriented commands✨
• CGlue(3U)connector glue✨
• classes(3U)unique identifiers for catalog-managed objects and component views✨
• Clipboard(3U)manages a list of graphical component subjects✨
• ColorCmd(3U)command for setting components' color attributes✨
• Command(3U)base class for command objects✨
• Component(3U)base class for objects that model domain-specific elements✨
• ComponentView(3U)base class for views of objects that model domain- specific elements✨
• Connector(3U)base classes for connector subjects and views✨
• ConnectTool(3U)tool for connecting connectors✨
• ControlInfo(3U)object for storing control-related information✨
• Creator(3U)recreates catalog-managed objects from disk and instantiates component views from their class identifiers✨
• CSolver(3U)enforces connector semantics✨

D

• Damage(3U)repairs damaged graphics✨
• Data(3U)object containing undo information for storage in a command✨
• datas(3U)Data subclasses for storing common undo information✨

E

• edit(3U)editing commands✨
• Editor(3U)base class for top-level windows in an application✨
• EditorInfo(3U)stores information about an editor's contents✨
• EllipseComp(3U)ellipse component subject, view, and PostScript external representation✨
• ellipses(3U)abstract base class and predefined subclasses for elliptical structured graphics✨
• ExternView(3U)base class for external representation objects and subclasses for common traversals✨

F

• FontCmd(3U)command for setting components' font attribute✨

G

• geomobjs(3U)helper classes that manage geometric information for structured graphics✨
• globals(3U)Unidraw global constants, types, instances, and functions.✨
• Graphic(3U)structured graphic abstract base class and subclass that stores a complete set of graphics state attributes✨
• GraphicBlock(3U)interactor that displays a graphic✨
• GraphicComp(3U)base classes for graphical component subjects✨
• GraphicCompTool(3U)tool for instantiating graphical components✨
• GraphicView(3U)base classes for graphical component views✨
• Grid(3U)displays a grid in a viewer and constrains points to lie on it✨
• GVUpdater(3U)updates GraphicViews structure to match its subject✨

I

• ImportCmd(3U)import a graphical component✨
• Iterator(3U)marks a position in a data structure✨

K

• KeyMap(3U)activates controls given their keyboard equivalents✨
• kybd(3U)predefined keyboard equivalents✨

L

• LineComp(3U)line and multiline component subject, view, and PostScript external representation✨
• lines(3U)structured graphics classes for points, lines, and open polygons✨
• LinkComp(3U)component subject, view, and PostScript external representation for lines with connectable endpoints✨

M

• MacroCmd(3U)a command that composes other commands✨
• MagnifyTool(3U)tool for magnifying a portion of the GraphicView displayed in a viewer✨
• manips(3U)Manipulator subclasses for defining common direct-manipulation semantics✨
• Manipulator(3U)base class for defining direct-manipulation semantics✨
• MoveTool(3U)tool for translating components✨

N

• NOPCmd(3U)do-nothing command✨

P

• PadComp(3U)pad connector subject, view, structured graphic, and PostScript external representation✨
• Page(3U)defines and displays a visual boundary for a viewer✨
• Path(3U)record of connectors visited during dataflow✨
• PatternCmd(3U)command for setting components' pattern attribute✨
• Picture(3U)composite structured graphic✨
• PinComp(3U)pin connector subject, view, structured graphic, and PostScript external representation SlidingPin, FixedPin - rubberbands used in pin manipulation✨
• PolygonComp(3U)polygon component subject, view, and PostScript external representation✨
• polygons(3U)structured graphics classes for rectangles and polygons✨
• PostScriptView(3U)base classes for external representation objects that generate PostScript code✨
• pspaint(3U)graphics state objects with added PostScript information✨

R

• RasterComp(3U)raster component subject, view, and PostScript external representation✨
• RasterRect(3U)structured graphic displaying a raster image✨
• RectComp(3U)rectangle component subject, view, and PostScript external representation✨
• ReshapeTool(3U)tool for reshaping or otherwise altering components' structures✨
• RotateTool(3U)tool for rotating components✨

S

• ScaleTool(3U)tool for rotating components✨
• Selection(3U)maintains a list of selected graphical component views✨
• SelectTool(3U)tool for modifying an editor's current selection✨
• SlotComp(3U)abstract base class and subclasses for slot connector subject and view; and structured graphic and PostScript external representation classes for slots✨
• SplineComp(3U)open and closed spline component subjects, views, and PostScript external representations✨
• splines(3U)structured graphics classes for open and closed B-splines✨
• StateVar(3U)state variable subject base class✨
• statevars(3U)state variable subject subclasses✨
• StateVarView(3U)state variable view base class✨
• stateviews(3U)various state variable view subclasses✨
• StencilComp(3U)bitmap component subject, view, and PostScript external representation✨
• StretchTool(3U)tool for rotating components✨
• struct(3U)commands for modifying components structurally✨

T

• TextComp(3U)multiline text component subject, view, structured graphic, and PostScript external representation✨
• Tool(3U)base class for tool objects✨
• TransferFunct(3U)transfer function base class✨
• transfns(3U)transfer function subclasses✨
• transforms(3U)coordinate transformation commands✨

U

• UArray(3U)dynamic array class✨
• UControl(3U)base classes for menu and button interfaces that work with ControlInfo objects✨
• uctrls(3U)predefined UControl and UControlInteractor subclasses for common controls✨
• UHashTable(3U)hash table classes✨
• ULabel(3U)structured graphic displaying one line of text✨
• UList(3U)circular, doubly-linked list class✨
• UMap(3U)maintains a mapping between two sets of pointers✨
• Unidraw(3U)one-of-a-kind object for coordinating and controlling a Unidraw application✨
• UnidrawIntro(3U)Unidraw library for graphical object editor development✨
• UStencil(3U)structured graphic displaying a bitmap✨

V

• Vertices(3U)abstract base class for graphics defined by a set of coordinate pairs✨
• VerticesComp(3U)abstract base classes for vertexed graphical component subjects and their views and PostScript external representations✨
• viewcmds(3U)commands for modifying editor attributes✨
• Viewer(3U)displays a graphical component view hierarchy✨