WinCanvas

This structure provides the view of canvases and particular configuration options for canvases.

Signature of WinCanvas

List of Import References :
See BOOL
See BTUnion
See Char
See Com
See DENOTATION
See Int
See Nat
See Option
See Real
See Seq
See Set
See String
See Void
See WinConfig
See WinInternal
See WinTclTk

SIGNATURE WinCanvas

$Date: 2010-09-30 18:24:17 +0200 (Do, 30. Sep 2010) $ ($Revision: 616 $)

IMPORT  Real            ONLY    real:SORT

IMPORT  WinInternal     ONLY    view:SORT config:SORT
        WinConfig       ONLY    point:SORT

The constant canvas represents a canvas-view:

FUN canvas      :  view

A canvas is controlled by a canvas editor (see WinCanvasEditor).

The following standard configurations are sensitive:

Graphical Appearence

anchor background borderWidth 
highlightColor highlightBackground highlightThickness
insertBackground insertBorderWidth insertWidth relief
selectBackground selectForeground selectBorderWidth 
takeFocus scrollBar width height size

Dynamic Behaviour

bind regulate sync

The following specific configurations are defined:

FUN closeEnough         : real                  -> config
FUN confine             : bool                  -> config
FUN scrollRegion        : point ** point        -> config
FUN xScrollIncrement    : real                  -> config
FUN yScrollIncrement    : real                  -> config

next node: WinEvent,
prev node: WinConfig,
up to node: Subsystem Opal Windows