Files in this directory

        Wimp.Colours            ; mode-independent bits
        Wimp.Desktop            ; how the Desktop module works
        Wimp.Drag
        Wimp.Errors
        Wimp.Guidelines
        Wimp.IconBar
        Wimp.Icons
        Wimp.Install            ; how to install an application
        Wimp.Menus
        Wimp.Messages
        Wimp.Misc
        Wimp.Pointer            ; programming the mouse pointer
        Wimp.Sprites
        Wimp.Switcher
        Wimp.Text               ; plus keyboard handling & escape

Wimp.Colours

        Wimp_SetMode
        Wimp_SetPalette
        Wimp_ReadPalette
        Wimp_ReadPixTrans
        Wimp_SetCaretPosition
        Wimp_SetColour
        Wimp_TextColour
        Wimp_SetFontColours
        Wimp_PlotIcon

        *Configure WimpMode <number>
        *WimpPalette <filename>

Wimp.Desktop

        Wimp_Initialise
        Wimp_CloseDown
        Service_WimpCloseDown
        Wimp_StartTask

        *Desktop
        Service_StartWimp
        Service_StartedWimp
        Wimp_Poll: reason code 18 (message) action 0 (global closedown)

Wimp.Drag

        Wimp_DragBox            (new reason codes)

        *Configure WimpFlags <number>

Wimp.Errors

        Wimp_ReportError

        UpCall handling
        Service_WimpReportError

Wimp.Guidelines

        Miscellaneous advice
        SWI calls in wrong context
        Invalid access to other tasks' windows

Wimp.IconBar

        Wimp_CreateIcon        (window handle = -1 or -2)
        Wimp_DeleteIcon
        Wimp_SetIconState
        Wimp_GetIconState
        Wimp_GetPointerInfo
        Wimp_Poll: reason code 6 (Mouse_Click)

Wimp.Icons

        system icons
        scrollable icons
        validation strings
        sprite + text icons
        button type 9
        button type 11
        inverting sprites

Wimp.Install

        *WimpSlot

Wimp.Menus

        Wimp_CreateMenu
        Wimp_CreateSubMenu
        Wimp_Poll:  reason code 9  (Menu_Selection)
        Wimp_Poll:  reason code 17 (Menu_Warning message)

Wimp.Messages

        Wimp_SendMessage
        Wimp_Poll:  reason codes 17,18,19
        Wimp_TransferBlock

Wimp.Misc

        Wimp_BlockCopy
        Wimp_GetWindowOutline
        Wimp_PollIdle
        Wimp_CommandWindow
        Wimp_ReadSysInfo

        window flags bit 10 ==> don't use colour translation table
        window flags bit 11 ==> don't open any other windows below this one
        window flags bit 12 ==> grab 'hot keys' (see Wimp_ProcessKey)
        window areaCBptr =1 ==> use common sprite area
        window bounds           changed to cover whole screen
                                window min x,y can be supplied
        Service_MouseTrap       provided for mouse-exec utilities

Wimp.Pointer

        *Pointer
        Wimp_SetPointerShape
        Wimp_SpriteOp (36 = SetPointerShape)

Wimp.Sprites

        Wimp_SpriteOp
        Wimp_BaseOfSprites

        *IconSprites <filename>
        window areaCBptr = 1 ==> use common sprite area
          icon areaCBptr = 1 ==> use common sprite area

Wimp.Switcher

        memory management
        Wimp_SlotSize
        interactive slot resizing
        Wimp_ClaimFreeMemory

Wimp.Text

        Wimp_ProcessKey
        Wimp_Poll:  reason code 11  (Lose_Caret)
        Wimp_Poll:  reason code 12  (Gain_Caret)
        Wimp_SetCaretPosition

        system font size
        escape handling