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# ----------------------------------------------------------------------
# EXAMPLE: info dialog box (Toplevel widget)
# ----------------------------------------------------------------------
# COURSE: Object-Oriented Programming with [incr Tcl]
# AUTHOR: Michael J. McLennan, Bell Labs Innovations
# ======================================================================
# Copyright (c) 1996 Lucent Technologies
# ======================================================================
option add *Info.title "Info" widgetDefault
class Info {
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
set itk_interior $itk_component(infoFrame)
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 Info {
keep -background -cursor -foreground -font
keep -activebackground -activeforeground -disabledforeground
keep -highlightcolor -highlightthickness
}
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