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# -*- mode: TCL; fill-column: 75; tab-width: 8; coding: iso-latin-1-unix -*-
#
# $Id: LabWidg.tcl,v 1.3 2001/12/09 05:04:02 idiscovery Exp $
#
# LabWidg.tcl --
#
# TixLabelWidget: Virtual base class. Do not instantiate
#
# This widget class is the base class for all widgets that has a
# label. Most Tix compound widgets will have a label so that
# the app programmer doesn't need to add labels themselvel.
#
#
# Copyright (c) 1993-1999 Ioi Kim Lam.
# Copyright (c) 2000-2001 Tix Project Group.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
# LabelSide : top, left, right, bottom, none, acrosstop
#
# public widgets:
# frame, label
#
tixWidgetClass tixLabelWidget {
-superclass tixPrimitive
-classname TixLabelWidget
-flag {
-label -labelside -padx -pady
}
-static {-labelside}
-configspec {
{-label label Label ""}
{-labelside labelSide LabelSide left}
{-padx padX Pad 0}
{-pady padY Pad 0}
}
}
proc tixLabelWidget:ConstructWidget {w} {
upvar #0 $w data
tixChainMethod $w ConstructWidget
if {$data(-labelside) != "acrosstop"} {
set data(w:frame) [frame $w.frame]
} else {
set data(pw:border) [frame $w.border]
set data(pw:pad) [frame $w.border.pad]
set data(w:frame) [frame $w.border.frame]
}
if {$data(-labelside) != "none"} {
set data(w:label) [label $w.label -text $data(-label)]
}
tixLabelWidget:Pack $w
tixCallMethod $w ConstructFramedWidget $data(w:frame)
}
proc tixLabelWidget:ConstructFramedWidget {w frame} {
# Do nothing
}
proc tixLabelWidget:Pack {w} {
upvar #0 $w data
if {[catch {tixLabelWidget:Pack-$data(-labelside) $w}]} {
error "unknown -labelside option \"$data(-labelside)\""
}
}
proc tixLabelWidget:Pack-acrosstop {w} {
upvar #0 $w data
set labHalfHeight [expr [winfo reqheight $data(w:label)] / 2]
set padHeight [expr $labHalfHeight - [$data(pw:border) cget -bd]]
if {$padHeight < 0} {
set padHeight 0
}
tixForm $data(w:label) -top 0 -left 4\
-padx [expr $data(-padx) +4] -pady $data(-pady)
tixForm $data(pw:border) -top $labHalfHeight -bottom -1 \
-left 0 -right -1 -padx $data(-padx) -pady $data(-pady)
tixForm $data(pw:pad) -left 0 -right -1 \
-top 0 -bottom $padHeight
tixForm $data(w:frame) -top $data(pw:pad) -bottom -1 \
-left 0 -right -1
}
proc tixLabelWidget:Pack-top {w} {
upvar #0 $w data
pack $data(w:label) -side top \
-padx $data(-padx) -pady $data(-pady) \
-fill x
pack $data(w:frame) -side top \
-padx $data(-padx) -pady $data(-pady) \
-expand yes -fill both
}
proc tixLabelWidget:Pack-bottom {w} {
upvar #0 $w data
pack $data(w:label) -side bottom \
-padx $data(-padx) -pady $data(-pady) \
-fill x
pack $data(w:frame) -side bottom \
-padx $data(-padx) -pady $data(-pady) \
-expand yes -fill both
}
proc tixLabelWidget:Pack-left {w} {
upvar #0 $w data
pack $data(w:label) -side left \
-padx $data(-padx) -pady $data(-pady) \
-fill y
pack $data(w:frame) -side left \
-padx $data(-padx) -pady $data(-pady) \
-expand yes -fill both
}
proc tixLabelWidget:Pack-right {w} {
upvar #0 $w data
pack $data(w:label) -side right \
-padx $data(-padx) -pady $data(-pady) \
-fill x
pack $data(w:frame) -side right \
-padx $data(-padx) -pady $data(-pady) \
-expand yes -fill both
}
proc tixLabelWidget:Pack-none {w} {
upvar #0 $w data
pack $data(w:frame)\
-padx $data(-padx) -pady $data(-pady) \
-expand yes -fill both
}
#----------------------------------------------------------------------
# CONFIG OPTIONS
#----------------------------------------------------------------------
proc tixLabelWidget:config-label {w value} {
upvar #0 $w data
$data(w:label) config -text $value
if {$data(-labelside) == "acrosstop"} {
tixLabelWidget:Pack-acrosstop $w
}
}
........