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спецификации, руководства, описания, API
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спецификации, руководства, описания, API
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iwidgets::messagebox(1)                        [incr Widgets]                        iwidgets::messagebox(1)



____________________________________________________________________________________________________________

NAME
       iwidgets::messagebox - Create and manipulate a messagebox text widget

SYNOPSIS
       iwidgets::messagebox pathName ?options?

INHERITANCE
       itk::Widget <- iwidgets::Labeledwidget <- iwidgets::Scrolledwidget <- iwidgets::Messagebox

STANDARD OPTIONS
       activeBackground  activeForeground    background  borderWidth
       cursor            exportSelection     font        foreground
       highlightColor    highlightThickness  padX        padY
       relief            setGrid

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

ASSOCIATED OPTIONS
       labelBitmap     labelFont      labelImage      labelMargin
       labelPos        labelText      labelVariable

       See the "labeledwidget" class 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.

       height          hscrollMode    sbWidth         scrollMargin
       textBackground  visibleItems   vscrollMode     width

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

       spacing1        spacing2       spacing3

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


WIDGET-SPECIFIC OPTIONS
       Name:           fileName
       Class:          FileName
       Command-Line Switch:           -filename

              Specifies  the  filename to be displayed in the file selection dialog when it pops up during a
              save of the messagebox contents operation.

       Name:           maxLines
       Class:          MaxLines
       Command-Line Switch:           -maxlines

              Specifies the maximum number of lines allowed in the text area of the  messagebox.  When  this
              limit  is reached, the oldest line will be deleted such that the total number of lines remains
              maxlines.

       Name:           saveDir
       Class:          SaveDir
       Command-Line Switch:           -savedir

              Specifies the default directory to display when the file selection dialog  pops  up  during  a
              save  of the messagebox contents operation. If this parameter is not specified, then the files
              in the current working directory are displayed.

____________________________________________________________________________________________________________


DESCRIPTION
       The iwidgets::messagebox command creates a scrolled information messages area widget.  Message  types
       can  be  user  defined and configured.  Their options include foreground, background, font, bell, and
       their display mode of on or off.  This allows message types to defined as  needed,  removed  when  no
       longer so, and modified when necessary.  An export method is provided for file I/O.


       The number of lines displayed may be limited with the default being 1000. When this limit is reached,
       the oldest line is removed.  A popup menu which appears when the right mouse button has been  pressed
       in  the message area has been predefined.  The contents of the popup menu by default support clearing
       the area and saving its contents to a file.  Additional operations may be defined or existing  opera-
       tions removed by using the component command to access the popup menu.


MESSAGE TYPES
       The  display  characteristics of messages issued to the messagebox vary with the message type.  Types
       are defined by the user and they may be added, removed, and configured.  The options of  the  message
       type control the display include the following:

       -background color
              Color  specifies  the background color to use for characters associated with the message type.
              It may have any of the forms accepted by Tk_GetColor.

       -bell boolean
              Specifies whether or not to ring the bell whenenver a message of this type is issued.  Boolean
              may have any of the forms accepted by Tk_GetBoolean.  The default is 0.

       -font fontName
              FontName  is  the  name of a font to use for drawing characters.  It may have any of the forms
              accepted by Tk_GetFontStruct.

       -foreground color
              Color specifies the foreground color to use for characters associated with the  message  type.
              It may have any of the forms accepted by Tk_GetColor.

       -show boolean
              Specifies  whether  of  not to display this message type when issued.  Boolean may have any of
              the forms accepted by Tk_GetBoolean.  The default is 1.


METHODS
       The iwidgets::messagebox 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 messagebox 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 iwidgets::messagebox command.

       pathName clear
              Clear the messagebox of all messages.

       pathName export filename
              Write  text  to  a  file.  If filename exists then contents are replaced with text widget con-tents. contents.
              tents.

       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 informa-tion information
              tion 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 correspond-ing corresponding
              ing 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  val-ues values
              ues accepted by the iwidgets::messagebox command.

       pathName type option msgtype ?arg arg ...?
              This   command   is  used to manipulate message types.  The behavior of the command depends on
              the option argument that follows the type keyword.  The following forms  of  the  command  are
              supported:


              pathName type add msgtype ?option value ...?
                     Adds  a  new  message  type  given by msgtype with the display properties
                     defined by the option value pairs.  See MESSAGE TYPES for information  on
                     the options that are supported.

              pathName type cget msgtype option
                     Returns  the value of a configuration option for a message type.  Msgtype
                     identifies the message type, and option specifies a particular configura-tion configuration
                     tion  option, which must be one of the ones listed in the section MESSAGE
                     TYPES.

              pathName type configure msgtype ?option value ...?
                     Query or modify the configuration options for  a  message  type.   If  no
                     option  is  specified,  returns  a  list  describing all of the available
                     options for the message type msgtype.  If option  is  specified  with  no
                     value,  then  the command returns a list describing the one named option.
                     If one or more option-value pairs are specified, then the  command  modi-fies modifies
                     fies  the  given  option(s) to have the given value(s);  in this case the
                     command returns an empty string.  See MESSAGE TYPES  for  information  on
                     the  options that are supported.  pathName type remove msgtype Removes an
                     existing message type given by msgtype.

       pathName issue string ?level? ?tags?
              Print a string to the text area at the given level and with any additional  tags
              specified.


COMPONENTS
       Name:           itemMenu
       Class:          Menu

              This is the popup menu that gets displayed when you right-click in the text area
              of the messagebox.  Its contents may be modified via the component command.

       Name:           text
       Class:          Scrolledtext

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


EXAMPLE
               package require Iwidgets 4.0
               iwidgets::messagebox .mb -hscrollmode dynamic \
                  -labeltext "Messages" -labelpos n \
                  -height 120 -width 550 -savedir "/tmp" -textbackground #d9d9d9

               pack .mb -padx 5 -pady 5 -fill both -expand yes

               .mb type add ERROR -background red -foreground white -bell 1
               .mb type add WARNING -background yellow -foreground black
               .mb type add INFO -background white -foreground black

               .mb issue "This is an error message in red with a beep" ERROR
               .mb issue "This warning message in yellow" WARNING
               .mb issue "This is an informational message" INFO


AUTHOR
       Alfredo Jahn V

       Mark L. Ulferts


KEYWORDS
       messagebox, scrolledtext, text, widget




Tk                                                                                   iwidgets::messagebox(1)

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