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Man Pages


Manual Reference Pages  -  IWIDGETS_SCROLLEDTEXT (n)

NAME

iwidgets::scrolledtext - Create and manipulate a scrolled text widget

CONTENTS

Synopsis
Description
Example
Author
Keywords

SYNOPSIS

iwidgets::scrolledtext pathName ?options?

INHERITANCE

itk::Widget <- iwidgets::Labeledwidget <- iwidgets::Scrolledwidget <- iwidgets::Scrolledtext

STANDARD OPTIONS


activeBackgroundbackgroundborderWidthcursor
exportSelectionforegroundhighlightColor
highlightThicknessinsertBackground
insertBorderWidthinsertOffTimeinsertOnTime
insertWidth padXpadY
relief      selectBackground
selectBorderWidthselectForeground
setGrid

See the "options" manual entry for details on the standard options.

ASSOCIATED OPTIONS


activeReliefelementBorderWidthjumptroughColor

See the "scrollbar" widget manual entry for details on the above associated options.


spacing1    spacing2spacing3state
tabs    wrap

See the "text" widget manual entry for details on the above associated options.

INHERITED OPTIONS


disabledForegroundlabelBitmaplabelFontlabelImage
labelMargin labelPoslabelTextlabelVariable
state   sticky

See the "labeledwidget" class manual entry for details on the inherited options.

WIDGET-SPECIFIC OPTIONS

Name:   height
Class:  Height
Command-Line Switch:-height

Specifies the height of the scrolled text as an entire unit. The value may be specified in any of the forms acceptable to Tk_GetPixels. Any additional space needed to display the other components such as labels, margins, and scrollbars force the text to be compressed. A value of zero along with the same value for the width causes the value given for the visibleitems option to be applied which administers geometry constraints in a different manner. The default height is zero.
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.
Name:   scrollMargin
Class:  Margin
Command-Line Switch:-scrollmargin

Specifies the distance between the text area and scrollbar in any of the forms acceptable to Tk_GetPixels. The default is 3 pixels.
Name:   textBackground
Class:  Background
Command-Line Switch:-textbackground

Specifies the background color for the text area in any of the forms acceptable to Tk_GetColor.
Name:   textFont
Class:  Font
Command-Line Switch:-textfont

Specifies the font to be used in the scrolled text area.
Name:   visibleitems
Class:  VisibleItems
Command-Line Switch:-visibleitems

Specifies the widthxheight in characters and lines for the text. This option is only administered if the width and height options are both set to zero, otherwise they take precedence. The default value is 80x24. With the visibleitems option engaged, geometry constraints are maintained only on the text. The size of the other components such as labels, margins, and scroll bars, are additive and independent, effecting the overall size of the scrolled text. In contrast, should the width and height options have non zero values, they are applied to the scrolled text as a whole. The text is compressed or expanded to maintain the geometry constraints.
Name:   vscrollMode
Class:  ScrollMode
Command-Line Switch:-vscrollmode

Specifies the the display mode to be used for the 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 text as an entire unit. The value may be specified in any of the forms acceptable to Tk_GetPixels. Any additional space needed to display the other components such as labels, margins, and scrollbars force the text to be compressed. A value of zero along with the same value for the height causes the value given for the visibleitems option to be applied which administers geometry constraints in a different manner. The default width is zero.

   








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DESCRIPTION

The iwidgets::scrolledtext command creates a scrolled text widget with additional options to manage the scrollbars. This includes options to control the method in which the scrollbars are displayed, i.e. statically or dynamically. Options also exist for adding a label to the scrolled text area and controlling its position. Import/export of methods are provided for file I/O.

METHODS

The iwidgets::scrolledtext command creates a new Tcl command whose name is pathName. This command may be used to invoke various operations on the widget. It has the following general form:


pathName option ?arg arg ...?

Option and the args determine the exact behavior of the command. The following commands are possible for scrolledtext widgets:

ASSOCIATED METHODS


bbox    comparedebugdelete
dlineinfo   getimageindex
insert  markscansearch
see tag windowxview
yview

See the "text" manual entry for details on the standard methods.

WIDGET-SPECIFIC METHODS

pathName cget option
  Returns the current value of the configuration option given by option. Option may have any of the values accepted by the iwidgets::scrolledtext command.
pathName childsite
  Returns the child site widget path name.
pathName clear
  Clear the text area of all characters.
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 pathName (see Tk_ConfigureInfo for information on the format of this list). If option is specified with no value, then the command returns a list describing the one named option (this list will be identical 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 iwidgets::scrolledtext command.
pathName import filename ?index?
  Load the text from a file into the text area at the index. The filename must exist.
pathName export filename
  Write text to a file. If filename exists then contents are replaced with text widget contents.

COMPONENTS

Name:   text
Class:  Text

The text component is the text widget. See the "text" widget manual entry for details on the text 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


package require Iwidgets 4.0 option add *textBackground white

iwidgets::scrolledtext .st -hscrollmode dynamic -labeltext "Password File"

pack .st -padx 10 -pady 10 -fill both -expand yes

.st import /etc/passwd

AUTHOR

Mark L. Ulferts

KEYWORDS

scrolledtext, text, widget
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