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Man Pages


Manual Reference Pages  -  IWIDGETS_CHECKBOX (n)

NAME

iwidgets::checkbox - Create and manipulate a checkbox widget

CONTENTS

Synopsis
Description
Example
Author
Keywords

SYNOPSIS

iwidgets::checkbox pathName ?options?

INHERITANCE

itk::Widget <- iwidgets::Labeledframe <- iwidgets::Checkbox

STANDARD OPTIONS


background  borderWidthcursordisabledForeground
foreground  reliefselectColor

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

INHERITED OPTIONS


labelBitmap labelFontlabelImagelabelMargin
labelPos    labelTextlabelVariable

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

WIDGET-SPECIFIC OPTIONS

Name:   command
Class:  Command
Command-Line Switch:    -command

Specifies a Tcl command procedure to be evaluated following a change in the current check box selection.
Name:   orient
Class:  Orient
Command-Line Switch:    -orient
Default Value:  vertical

Specifies the orientation of the checkbuttons within the checkbox. Valid values are either "horizontal" or "vertical".

   








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DESCRIPTION

The iwidgets::checkbox command creates a check button box widget capable of adding, inserting, deleting, selecting, and configuring checkbuttons as well as obtaining the currently selected button.

METHODS

The iwidgets::checkbox 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.

Many of the widget commands for the checkbox take as one argument an indicator of which checkbutton of the checkbox to operate on. These indicators are called indexes and allow reference and manipulation of checkbuttons. Checkbox indexes may be specified in any of the following forms:
number Specifies the checkbutton numerically, where 0 corresponds to the top checkbutton of the checkbox.
end Indicates the last checkbutton of the checkbox.
pattern If the index doesn’t satisfy one of the above forms then this form is used. Pattern is pattern-matched against the tag of each checkbutton in the checkbox, in order from top to bottom, until a matching entry is found. The rules of Tcl_StringMatch are used.

WIDGET-SPECIFIC METHODS

pathName add tag ?option value option value?
  Adds a new checkbutton to the checkbuttond window on the bottom. The command takes additional options which are passed on to the checkbutton as construction arguments. These include the standard Tk checkbutton options. The tag is returned.
pathName buttonconfigure index ?options?
  This command is similar to the configure command, except that it applies to the options for an individual checkbutton, whereas configureapplies to the options for the checkbox as a whole. Options may have any of the values accepted by the add widget command. If options are specified, options are modified as indicated in the command and the command returns an empty string. If no options are specified, returns a list describing the current options for entry index (see Tk_ConfigureInfo for information on the format of this list).
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::checkbox 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::checkbox command.
pathName delete index
  Deletes a specified checkbutton given an index.
pathName deselect index
  Deselects a specified checkbutton given an index.
pathName flash index
  Flashes a specified checkbutton given an index.
pathName get ?index?
  Returns the tags of the currently selected checkbuttons or the selection status of specific checkbutton when given an index.
pathName index index
  Returns the numerical index corresponding to index.
pathName insert index tag ?option value option value ...?
  Same as the add command except that it inserts the new checkbutton just before the one given by index, instead of appending to the end of the checkbox. The option, and value arguments have the same interpretation as for the add widget command.
pathName select index
  Selects a specified checkbutton given an index.

EXAMPLE


package require Iwidgets 4.0 iwidgets::checkbox .cb -labeltext Styles .cb add bold -text Bold .cb add italic -text Italic .cb add underline -text Underline .cb select underline

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

AUTHOR

John A. Tucker

KEYWORDS

checkbox, widget
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