NAME
scrolledcanvas - Create and manipulate scrolled canvas
widgets
SYNOPSIS
scrolledcanvas pathName ?options?
INHERITANCE
itk::Widget <- Labeledwidget <- Scrolledwidget <-
Scrolledcanvas
STANDARD OPTIONS
activeBackground background borderWidthcursor
exportSelection font foreground highlightColor
highlightThickness insertBorderWidthinsertOffTimeinsertOnTime
insertWidth relief selectBackgroundselectBorderWidth
selectForeground
See the "options" manual entry for details on the standard
options.
ASSOCIATED OPTIONS
closeEnough confine scrollRegion xScrollIncrement
yScrollIncrement
See the "canvas" widget manual entry for details on the
above associated options.
activeRelief elementBorderWidth jumptroughColor
See the "scrollbar" widget manual entry for details on the
above associated options.
INHERITED OPTIONS
disabledForeground labelBitmap labelFontlabelImage
labelMargin labelPos labelText labelVariable
state
See the "labeledwidget" class manual entry for details on
the inherited options.
WIDGET-SPECIFIC OPTIONS
Name: autoMargin
Class: AutoMargin
Command-Line Switch: -automargin
Specifies the autoresize extra margin to reserve.
This option is only effective with autoresize
turned on. The default is 10.
Name: autoResize
Class: AutoResize
Automatically adjusts the scrolled region to be the
bounding box covering all the items in the canvas
following the execution of any method which creates
or destroys items. Thus, as new items are added,
the scrollbars adjust accordingly.
Name: height
Class: Height
Command-Line Switch: -height
Specifies the height of the scrolled canvas widget
in any of the forms acceptable to Tk_GetPixels.
The default height is 30 pixels.
Name: hscrollMode
Class: ScrollMode
Command-Line Switch: -hscrollmode
Specifies the the display mode to be used for the
horizontal scrollbar: static, dynamic, or none. In
static mode, the scroll bar is displayed at all
times. Dynamic mode displays the scroll bar as
required, and none disables the scroll bar display.
The default is static.
Name: sbWidth
Class: Width
Command-Line Switch: -sbwidth
Specifies the width of the scrollbar in any of the
forms acceptable to Tk_GetPixels. The default
width is 15 pixels..
Name: scrollMargin
Class: ScrollMargin
Command-Line Switch: -scrollmargin
Specifies the distance between the canvas and
scrollbar in any of the forms acceptable to Tk_Get
Pixels. The default is 3 pixels.
Name: textBackground
Class: Background
Command-Line Switch -textbackground
Specifies the background color for the canvas.
This allows the background within the canvas to be
different from the normal background color.
Name: vscrollMode
Class: ScrollMode
Command-Line Switch: -vscrollmode
vertical scrollbar: static, dynamic, or none. In
static mode, the scroll bar is displayed at all
times. Dynamic mode displays the scroll bar as
required, and none disables the scroll bar display.
The default is static.
Name: width
Class: Width
Command-Line Switch: -width
Specifies the width of the scrolled canvas widget
in any of the forms acceptable to Tk_GetPixels.
The default height is 30 pixels.
_________________________________________________________________
DESCRIPTION
The scrolledcanvas command creates a scrolled canvas with
additional options to manage horizontal and vertical
scrollbars. This includes options to control which
scrollbars are displayed and the method, i.e. statically
or dynamically.
METHODS
The scrolledcanvas command creates a new Tcl command whose
name is pathName. This command may be used to invoke var
ious operations on the widget. It has the following gen
eral form:
pathName option ?arg arg ...?
Option and the args determine the exact behavior of the
command. The following commands are possible for
scrolledcanvas widgets:
ASSOCIATED METHODS
addtag bbox bind canvasx
canvasy coords create dchars
delete dtag find focus
gettags icursor index insert
itemconfigure lower move postscript
raise scale scan select
type xview yview
See the "canvas" manual entry for details on the associ
ated methods.
WIDGET-SPECIFIC METHODS
pathName cget option
Returns the current value of the configuration
option given by option. Option may have any of the
pathName childsite
Returns the child site widget path name.
pathName configure ?option? ?value option value ...?
Query or modify the configuration options of the
widget. If no option is specified, returns a list
describing all of the available options for path
Name (see Tk_ConfigureInfo for information on the
format of this list). If option is specified with
no value, then the command returns a list describ
ing the one named option (this list will be identi
cal to the corresponding sublist of the value
returned if no option is specified). If one or
more option-value pairs are specified, then the
command modifies the given widget option(s) to have
the given value(s); in this case the command
returns an empty string. Option may have any of
the values accepted by the scrolledcanvas command.
pathName justify direction
Justifies the canvas contents via the scroll bars
in one of four directions: left, right, top, or
bottom.
COMPONENTS
Name: canvas
Class: Canvas
The canvas component is the canvas widget. See the
"canvas" widget manual entry for details on the
canvas component item.
Name: horizsb
Class: Scrollbar
The horizsb component is the horizontal scroll bar.
See the "ScrollBar" widget manual entry for details
on the horizsb component item.
Name: vertsb
Class: Scrollbar
The vertsb component is the vertical scroll bar.
See the "ScrollBar" widget manual entry for details
on the vertsb component item.
EXAMPLE
scrolledcanvas .sc
.sc create rectangle 100 100 400 400 -fill red
.sc create rectangle 200 200 500 500 -fill blue
pack .sc -padx 10 -pady 10 -fill both -expand yes
AUTHOR
Mark L. Ulferts
KEYWORDS
scrolledcanvas, canvas, widget
Man(1) output converted with
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