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Man Pages


Manual Reference Pages  -  IWIDGETS_FEEDBACK (n)

NAME

iwidgets::feedback - Create and manipulate a feedback widget to display feedback on the current status of an ongoing operation to the user.

CONTENTS

Synopsis
Description
Example
Acknowledgements
Author
Keywords

SYNOPSIS

iwidgets::feedback pathName ?options?

INHERITANCE

itk::Widget <- iwidgets::Labeledwidget <- iwidgets::Feedback

STANDARD OPTIONS


background  cursor foregroundhighlightColor
highlightThickness

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

INHERITED OPTIONS


labelBitmap labelFontlabelImagelabelMargin
labelPos    labelTextlabelVariable sticky

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

WIDGET-SPECIFIC OPTIONS

Name:   barcolor
Class:  BarColor
Command-Line Switch:-barcolor

Specifies the color of the status bar, in any of the forms acceptable to Tk_GetColor. The default is DodgerBlue.
Name:   barheight
Class:  BarHeight
Command-Line Switch:-barheight

Specifies the height of the status bar, in any of the forms acceptable to Tk_GetPixels. The default is 20.
Name:   troughColor
Class:  TroughColor
Command-Line Switch:-troughcolor

Specifies the color of the frame in which the status bar sits, in any of the forms acceptable to Tk_GetColor. The default is white.
Name:   steps
Class:  Steps
Command-Line Switch:-steps

Specifies the total number of steps for the status bar. The default is 10.

DESCRIPTION

The iwidgets::feedback command creates a widget to display feedback on the current status of an ongoing operation to the user. Display is given as a percentage and as a thermometer type bar. Options exist for adding a label and controlling its position.

METHODS

The iwidgets::feedback 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:

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 scrolledhtml command.
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::feedback command.
pathName reset
  Reset the current number of steps completed to 0, and configures the percentage complete label text to 0%
pathName step ?inc?
  Increase the current number of steps completed by the amount specified by inc. Inc defaults to 1.

EXAMPLE


package require Iwidgets 4.0 iwidgets::feedback .fb -labeltext "Status" -steps 20 pack .fb -padx 10 -pady 10 -fill both -expand yes

for {set i 0} {$i < 20} {incr i} { .fb step after 500 }

ACKNOWLEDGEMENTS

Sam Shen
This code is based largely on his feedback.tcl code from tk inspect. The original feedback code is copyright 1995 Lawrence Berkeley Laboratory.

AUTHOR

Kris Raney

KEYWORDS

feedback, widget
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