option add *MessageInfo.title "Notice" widgetDefault

class MessageInfo {

    inherit itk::Toplevel

    constructor {args} {

        itk_component add dismiss {

            button $itk_interior.dismiss -text "Dismiss" -command "destroy $itk_component(hull)"

        }

        pack $itk_component(dismiss) -side bottom -pady 4

        itk_component add separator {

            frame $itk_interior.sep -height 2 -borderwidth 1 -relief sunken

        }

        pack $itk_component(separator) -side bottom -fill x -padx 4

        itk_component add icon {

            label $itk_interior.icon -bitmap info

        }

        pack $itk_component(icon) -side left -padx 8 -pady 8

        itk_component add infoFrame {

            frame $itk_interior.info

        }

        pack $itk_component(infoFrame) -side left -expand yes \

            -fill both -padx 4 -pady 4

        itk_component add message {

            label $itk_interior.mesg -width 20

        } {

            usual

            rename -text -message message Text

        }

        pack $itk_component(message) -expand yes -fill both

        eval itk_initialize $args

        after idle [code $this centerOnScreen]

    }

    protected method centerOnScreen {} {

        update idletasks

        set wd [winfo reqwidth $itk_component(hull)]

        set ht [winfo reqheight $itk_component(hull)]

        set x [expr ([winfo screenwidth $itk_component(hull)]-$wd)/2]

        set y [expr ([winfo screenheight $itk_component(hull)]-$ht)/2]

        wm geometry $itk_component(hull) +$x+$y

    }

}

usual MessageInfo {

    keep -background -cursor -foreground -font

    keep -activebackground -activeforeground -disabledforeground

    keep -highlightcolor -highlightthickness

}

#

# EXAMPLE:  Create a notice window:

#

MessageInfo .m -message "File not found:n/usr/local/bin/foo"