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Manual Reference Pages  -  IWIDGETS_ENTRYFIELD (n)


iwidgets::entryfield - Create and manipulate a entry field widget




iwidgets::entryfield pathName ?options?


itk::Widget <- iwidgets::LabeledWidget <- iwidgets::Entryfield


background         borderWidth     cursor              exportSelection
foreground         highlightColor  highlightThickness  insertBackground
insertBorderWidth  insertOffTime   insertOnTime        insertWidth
justify            relief          selectBackground    selectBorderWidth
selectForeground   textVariable    width

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


show    state

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


labelMargin labelPoslabelTextlabelVariable
state   sticky

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


Name:   childSitePos
Class:  Position
Command-Line Switch:-childsitepos

Specifies the position of the child site in the entry field: n, s, e, or w. The default is e.
Name:   command
Class:  Command
Command-Line Switch:-command

Specifies a Tcl command to be executed upon detection of a Return key press event.
Name:   fixed
Class:  Fixed
Command-Line Switch:-fixed

Restrict entry to the specified number of chars. A value of 0, which is the default, denotes no limit. The value is the maximum number of chars the user may type into the field, regardles of field width. For example, if the field width is set to 20 and the fixed value is 10, the user will only be able to type 10 characters into the field which is 20 characters long.
Name:   focusCommand
Class:  Command
Command-Line Switch:-focuscommand

Specifies a Tcl command to be executed upon reception of focus.
Name:   invalid
Class:  Command
Command-Line Switch:-invalid

Specifies a Tcl command to be executed upon determination of invalid input. The default is bell.
Name:   textBackground
Class:  Background
Command-Line Switch:-textbackground

Background color for inside textual portion of the entry field. The value may be given in any of the forms acceptable to Tk_GetColor.
Name:   textFont
Class:  Font
Command-Line Switch:-textfont

Name of font to use for display of text in entryfield. The value may be given in any of the forms acceptable to Tk_GetFont.
Name:   pasting
Class:  Behavior
Command-Line Switch:-pasting

Option to enable/disable pasting into the entry component of the entryfield. Valid values are 0 (disabled) or 1 (enabled). Defaults to 1.
Name:   validate
Class:  Command
Command-Line Switch:-validate

The validate option allows specification of a validation mechanism. Standard character validation such as numeric, alphabetic, integer, hexidecimal, real, and alphanumeric can be handled through the use of keywords. Should more extensive validation be necessary, the value may contain the name of a command script. The script should return a boolean value. True for valid, false for invalid. If false is returned, then the procedure associated with the invalid option will be invoked. If the validation script contains any % characters, then the script will not be executed directly. Instead, a new script will be generated by replacing each %, and the character following it, with information from the entryfield. The replacement depends on the character following the %, as defined in the list below.
%c Replaced with the current input character.
%P Replaced with the contents of the entryfield modified to include the latest keystoke. This is equivalent to peeking at the future contents, enabling rejection prior to the update.
%S Replaced with the current contents of the entryfield prior to the latest keystroke being added.
%W Replaced with the entryfield widget pathname.





The iwidgets::entryfield command creates an enhanced text entry widget with an optional associated label. Addtional options support validation and establishing a upper limit on the number of characters which may be entered in the field.


The iwidgets::entryfield 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 entryfield widgets:


delete  get icursorindex
insert  scanselectionxview

See the "entry" manual entry for details on the associated 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::entryfield command.
pathName childsite
  Returns the path name of the child site.
pathName clear
  Clear entry widget
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::entryfield command.


Name:   efchildsite
Class:  frame

The efchildsite component is the user child site for the entry field. See the "frame" widget manual entry for details on the efchildsite component item.
Name:   entry
Class:  entry

The entry component provides the entry field for user text input and display. See the "entry" widget manual entry for details on the entry component item.


package require Iwidgets 4.0 option add *textBackground white

proc returnCmd {} { puts stdout "Return Pressed" }

proc invalidCmd {} { puts stdout "Alphabetic contents invalid" }

iwidgets::entryfield .ef -command returnCmd

iwidgets::entryfield .fef -labeltext "Fixed:" -fixed 10 -width 12

iwidgets::entryfield .nef -labeltext "Numeric:" -validate numeric -width 12

iwidgets::entryfield .aef -labeltext "Alphabetic:" \ -validate alphabetic -width 12 -invalid invalidCmd

iwidgets::entryfield .pef -labeltext "Password:" \ -show \267 -width 12 -command returnCmd

iwidgets::Labeledwidget::alignlabels .ef .fef .nef .aef .pef

pack .ef -fill x -expand yes -padx 10 -pady 5 pack .fef -fill x -expand yes -padx 10 -pady 5 pack .nef -fill x -expand yes -padx 10 -pady 5 pack .aef -fill x -expand yes -padx 10 -pady 5 pack .pef -fill x -expand yes -padx 10 -pady 5


Sue Yockey

Mark L. Ulferts


entryfield, widget
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