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#
# Panedwindow
# ----------------------------------------------------------------------
# Implements a multiple paned window widget capable of orienting the panes
# either vertically or horizontally. Each pane is itself a frame acting
# as a child site for other widgets. The border separating each pane
# contains a sash which allows user positioning of the panes relative to
# one another.
#
# ----------------------------------------------------------------------
# AUTHOR: Mark L. Ulferts EMAIL: mulferts@austin.dsccc.com
#
# @(#) $Id: panedwindow.itk,v 1.1.1.1 2002-01-16 10:24:50 markom Exp $
# ----------------------------------------------------------------------
# Copyright (c) 1995 DSC Technologies Corporation
# ======================================================================
# Permission to use, copy, modify, distribute and license this software
# and its documentation for any purpose, and without fee or written
# agreement with DSC, is hereby granted, provided that the above copyright
# notice appears in all copies and that both the copyright notice and
# warranty disclaimer below appear in supporting documentation, and that
# the names of DSC Technologies Corporation or DSC Communications
# Corporation not be used in advertising or publicity pertaining to the
# software without specific, written prior permission.
#
# DSC DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
# ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, AND NON-
# INFRINGEMENT. THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, AND THE
# AUTHORS AND DISTRIBUTORS HAVE NO OBLIGATION TO PROVIDE MAINTENANCE,
# SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. IN NO EVENT SHALL
# DSC BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
# ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTUOUS ACTION,
# ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
# SOFTWARE.
# ======================================================================
#
# Usual options.
#
itk::usual Panedwindow {
keep -background -cursor -sashcursor
}
# ------------------------------------------------------------------
# PANEDWINDOW
# ------------------------------------------------------------------
class iwidgets::Panedwindow {
inherit itk::Widget
constructor {args} {}
itk_option define -orient orient Orient horizontal
itk_option define -sashborderwidth sashBorderWidth SashBorderWidth 2
itk_option define -sashcursor sashCursor SashCursor crosshair
itk_option define -sashwidth sashWidth SashWidth 10
itk_option define -sashheight sashHeight SashHeight 10
itk_option define -thickness thickness Thickness 3
itk_option define -sashindent sashIndent SashIndent -10
public method index {index}
public method childsite {args}
public method fraction {percentage1 percentage2 args}
public method add {tag args}
public method insert {index tag args}
public method delete {index}
public method hide {index}
public method show {index}
public method paneconfigure {index args}
public method reset {}
protected method _pwConfigureEventHandler {width height}
protected method _startGrip {where num}
protected method _endGrip {where num}
protected method _configGrip {where num}
protected method _handleGrip {where num}
protected method _moveSash {where num}
private method _setFracArray {}
private method _setActivePanes {}
private method _calcFraction {where num}
private method _makeSashes {}
private method _placeSash {i}
private method _placePanes {{start 0} {end end}}
private variable _initialized 0 ;# Denotes initialized state.
private variable _panes {} ;# List of panes.
private variable _activePanes {} ;# List of active panes.
private variable _sashes {} ;# List of sashes.
private variable _separators {} ;# List of separators.
private variable _frac ;# Array of fraction percentages.
private variable _lowerlimit ;# Margin distance above/left of sash.
private variable _upperlimit ;# Margin distance below/right of sash.
private variable _dimension ;# Width/Height at start of drag.
private variable _sashloc ;# Array of dist of sash from above/left.
private variable _pixels ;# Array of dist of sash from above/left.
private variable _minheight ;# Array of min heights for panes.
private variable _minsashmoved ;# Lowest sash moved during dragging.
private variable _maxsashmoved ;# Highest sash moved during dragging.
private variable _dragging 0 ;# Boolean for dragging enabled.
private variable _movecount 0 ;# Kludge counter to get sashes to
;# display without calling update
;# idletasks too often.
private variable _width 0 ;# hull's width.
private variable _height 0 ;# hull's height.
private variable _unique -1 ;# Unique number for pane names.
}
#
# Provide a lowercased access method for the Panedwindow class.
#
proc ::iwidgets::panedwindow {pathName args} {
uplevel ::iwidgets::Panedwindow $pathName $args
}
#
# Use option database to override default resources of base classes.
#
option add *Panedwindow.width 10 widgetDefault
option add *Panedwindow.height 10 widgetDefault
# ------------------------------------------------------------------
# CONSTRUCTOR
# ------------------------------------------------------------------
body iwidgets::Panedwindow::constructor {args} {
itk_option add hull.width hull.height
pack propagate $itk_component(hull) no
#
# Add binding for the configure event.
#
bind pw-config-$this <Configure> [code $this _pwConfigureEventHandler %w %h]
bindtags $itk_component(hull) \
[linsert [bindtags $itk_component(hull)] 0 pw-config-$this]
eval itk_initialize $args
}
# ------------------------------------------------------------------
# OPTIONS
# ------------------------------------------------------------------
# ------------------------------------------------------------------
# OPTION: -orient
#
# Specifies the orientation of the sashes. Once the paned window
# has been mapped, set the sash bindings and place the panes.
# ------------------------------------------------------------------
configbody iwidgets::Panedwindow::orient {
if {$_initialized} {
switch $itk_option(-orient) {
vertical {
for {set i 1} {$i < [llength $_panes]} {incr i} {
bind $itk_component(sash$i) <Button-1> \
[code $this _startGrip %x $i]
bind $itk_component(sash$i) <B1-Motion> \
[code $this _handleGrip %x $i]
bind $itk_component(sash$i) <B1-ButtonRelease-1> \
[code $this _endGrip %x $i]
bind $itk_component(sash$i) <Configure> \
[code $this _configGrip %x $i]
}
_setFracArray
_makeSashes
_placePanes
}
horizontal {
for {set i 1} {$i < [llength $_panes]} {incr i} {
bind $itk_component(sash$i) <Button-1> \
[code $this _startGrip %y $i]
bind $itk_component(sash$i) <B1-Motion> \
[code $this _handleGrip %y $i]
bind $itk_component(sash$i) <B1-ButtonRelease-1> \
[code $this _endGrip %y $i]
bind $itk_component(sash$i) <Configure> \
[code $this _configGrip %y $i]
}
_setFracArray
_makeSashes
_placePanes
}
default {
error "bad orientation option \"$itk_option(-orient)\":\
should be horizontal or vertical"
}
}
}
}
# ------------------------------------------------------------------
# OPTION: -sashborderwidth
#
# Specifies a non-negative value indicating the width of the 3-D
# border to draw around the outside of the sash.
# ------------------------------------------------------------------
configbody iwidgets::Panedwindow::sashborderwidth {
set pixels [winfo pixels $itk_component(hull) \
$itk_option(-sashborderwidth)]
set itk_option(-sashborderwidth) $pixels
if {$_initialized} {
for {set i 1} {$i < [llength $_panes]} {incr i} {
$itk_component(sash$i) configure \
-borderwidth $itk_option(-sashborderwidth)
}
}
}
# ------------------------------------------------------------------
# OPTION: -sashcursor
#
# Specifies the type of cursor to be used when over the sash.
# ------------------------------------------------------------------
configbody iwidgets::Panedwindow::sashcursor {
if {$_initialized} {
for {set i 1} {$i < [llength $_panes]} {incr i} {
$itk_component(sash$i) configure \
-cursor $itk_option(-sashcursor)
}
}
}
# ------------------------------------------------------------------
# OPTION: -sashwidth
#
# Specifies the width of the sash.
# ------------------------------------------------------------------
configbody iwidgets::Panedwindow::sashwidth {
set pixels [winfo pixels $itk_component(hull) \
$itk_option(-sashwidth)]
set itk_option(-sashwidth) $pixels
if {$_initialized} {
for {set i 1} {$i < [llength $_panes]} {incr i} {
$itk_component(sash$i) configure \
-width $itk_option(-sashwidth)
}
}
}
# ------------------------------------------------------------------
# OPTION: -sashheight
#
# Specifies the height of the sash,
# ------------------------------------------------------------------
configbody iwidgets::Panedwindow::sashheight {
set pixels [winfo pixels $itk_component(hull) \
$itk_option(-sashheight)]
set itk_option(-sashheight) $pixels
if {$_initialized} {
for {set i 1} {$i < [llength $_panes]} {incr i} {
$itk_component(sash$i) configure \
-height $itk_option(-sashheight)
}
}
}
# ------------------------------------------------------------------
# OPTION: -thickness
#
# Specifies the thickness of the separators. It sets the width and
# height of the separator to the thickness value and the borderwidth
# to half the thickness.
# ------------------------------------------------------------------
configbody iwidgets::Panedwindow::thickness {
set pixels [winfo pixels $itk_component(hull) \
$itk_option(-thickness)]
set itk_option(-thickness) $pixels
if {$_initialized} {
for {set i 1} {$i < [llength $_panes]} {incr i} {
$itk_component(separator$i) configure \
-height $itk_option(-thickness)
$itk_component(separator$i) configure \
-width $itk_option(-thickness)
$itk_component(separator$i) configure \
-borderwidth [expr $itk_option(-thickness) / 2]
}
for {set i 1} {$i < [llength $_panes]} {incr i} {
_placeSash $i
}
}
}
# ------------------------------------------------------------------
# OPTION: -sashindent
#
# Specifies the placement of the sash along the panes. A positive
# value causes the sash to be offset from the near (left/top) side
# of the pane, and a negative value causes the sash to be offset from
# the far (right/bottom) side. If the offset is greater than the
# width, then the sash is placed flush against the side.
# ------------------------------------------------------------------
configbody iwidgets::Panedwindow::sashindent {
set pixels [winfo pixels $itk_component(hull) \
$itk_option(-sashindent)]
set itk_option(-sashindent) $pixels
if {$_initialized} {
for {set i 1} {$i < [llength $_panes]} {incr i} {
_placeSash $i
}
}
}
# ------------------------------------------------------------------
# METHODS
# ------------------------------------------------------------------
# ------------------------------------------------------------------
# METHOD: index index
#
# Searches the panes in the paned window for the one with the
# requested tag, numerical index, or keyword "end". Returns the pane's
# numerical index if found, otherwise error.
# ------------------------------------------------------------------
body iwidgets::Panedwindow::index {index} {
if {[llength $_panes] > 0} {
if {[regexp {(^[0-9]+$)} $index]} {
if {$index < [llength $_panes]} {
return $index
} else {
error "Panedwindow index \"$index\" is out of range"
}
} elseif {$index == "end"} {
return [expr [llength $_panes] - 1]
} else {
if {[set idx [lsearch $_panes $index]] != -1} {
return $idx
}
error "bad Panedwindow index \"$index\": must be number, end,\
or pattern"
}
} else {
error "Panedwindow \"$itk_component(hull)\" has no panes"
}
}
# ------------------------------------------------------------------
# METHOD: childsite ?index?
#
# Given an index return the specifc childsite path name. Invoked
# without an index return a list of all the child site panes. The
# list is ordered from the near side (left/top).
# ------------------------------------------------------------------
body iwidgets::Panedwindow::childsite {args} {
if {! $_initialized} {
set _initialized 1
reset
}
if {[llength $args] == 0} {
set children {}
foreach pane $_panes {
lappend children [$itk_component($pane) childSite]
}
return $children
} else {
set index [index [lindex $args 0]]
return [$itk_component([lindex $_panes $index]) childSite]
}
}
# ------------------------------------------------------------------
# METHOD: fraction percentage percentage ?percentage ...?
#
# Sets the visible percentage of the panes. Specifies a list of
# percentages which are applied to the currently visible panes from
# the near side (left/top). The number of percentages must be equal
# to the current number of visible (mapped) panes and add up to 100.
# ------------------------------------------------------------------
body iwidgets::Panedwindow::fraction {percentage1 percentage2 args} {
set args [linsert $args 0 $percentage1 $percentage2]
if {[llength $args] == [llength $_activePanes]} {
set sum 0
for {set i 0} {$i < [llength $args]} {incr i} {
set sum [expr $sum + [lindex $args $i]]
}
if {$sum == 100} {
set perc 0.0
for {set i 0} {$i < [llength $_activePanes]} {incr i} {
set _frac($i) $perc
set perc [expr $perc + [expr [lindex $args $i] / 100.0]]
}
set _frac($i) 1.0
if {[winfo ismapped $itk_component(hull)]} {
_placePanes
}
} else {
error "bad fraction arguments \"$args\": they should add\
up to 100"
}
} else {
error "wrong # args: should be \"$itk_component(hull)\
fraction percentage percentage ?percentage ...?\",\
where the number of percentages is\
[llength $_activePanes] and equal 100"
}
}
# ------------------------------------------------------------------
# METHOD: add tag ?option value option value ...?
#
# Add a new pane to the paned window to the far (right/bottom) side.
# The method takes additional options which are passed on to the
# pane constructor. These include -margin, and -minimum. The path
# of the pane is returned.
# ------------------------------------------------------------------
body iwidgets::Panedwindow::add {tag args} {
#
# Create panes.
#
itk_component add $tag {
eval iwidgets::Pane $itk_interior.pane[incr _unique] $args
} {
keep -background -cursor
}
lappend _panes $tag
lappend _activePanes $tag
reset
return $itk_component($tag)
}
# ------------------------------------------------------------------
# METHOD: insert index tag ?option value option value ...?
#
# Insert the specified pane in the paned window just before the one
# given by index. Any additional options which are passed on to the
# pane constructor. These include -margin, -minimum. The path of
# the pane is returned.
# ------------------------------------------------------------------
body iwidgets::Panedwindow::insert {index tag args} {
#
# Create panes.
#
itk_component add $tag {
eval iwidgets::Pane $itk_interior.pane[incr _unique] $args
} {
keep -background -cursor
}
set index [index $index]
set _panes [linsert $_panes $index $tag]
lappend _activePanes $tag
reset
return $itk_component($tag)
}
# ------------------------------------------------------------------
# METHOD: delete index
#
# Delete the specified pane.
# ------------------------------------------------------------------
body iwidgets::Panedwindow::delete {index} {
set index [index $index]
set tag [lindex $_panes $index]
destroy $itk_component($tag)
set _panes [lreplace $_panes $index $index]
reset
}
# ------------------------------------------------------------------
# METHOD: hide index
#
# Remove the specified pane from the paned window.
# ------------------------------------------------------------------
body iwidgets::Panedwindow::hide {index} {
set index [index $index]
set tag [lindex $_panes $index]
if {[set idx [lsearch -exact $_activePanes $tag]] != -1} {
set _activePanes [lreplace $_activePanes $idx $idx]
}
reset
}
# ------------------------------------------------------------------
# METHOD: show index
#
# Display the specified pane in the paned window.
# ------------------------------------------------------------------
body iwidgets::Panedwindow::show {index} {
set index [index $index]
set tag [lindex $_panes $index]
if {[lsearch -exact $_activePanes $tag] == -1} {
lappend _activePanes $tag
}
reset
}
# ------------------------------------------------------------------
# METHOD: paneconfigure index ?option? ?value option value ...?
#
# Configure a specified pane. This method allows configuration of
# panes from the Panedwindow level. The options may have any of the
# values accepted by the add method.
# ------------------------------------------------------------------
body iwidgets::Panedwindow::paneconfigure {index args} {
set index [index $index]
set tag [lindex $_panes $index]
return [uplevel $itk_component($tag) configure $args]
}
# ------------------------------------------------------------------
# METHOD: reset
#
# Redisplay the panes based on the default percentages of the panes.
# ------------------------------------------------------------------
body iwidgets::Panedwindow::reset {} {
if {$_initialized && [llength $_panes]} {
_setActivePanes
_setFracArray
_makeSashes
_placePanes
}
}
# ------------------------------------------------------------------
# PROTECTED METHOD: _pwConfigureEventHandler
#
# Performs operations necessary following a configure event. This
# includes placing the panes.
# ------------------------------------------------------------------
body iwidgets::Panedwindow::_pwConfigureEventHandler {width height} {
set _width $width
set _height $height
if {$_initialized} {
_placePanes
} else {
set _initialized 1
reset
}
}
# ------------------------------------------------------------------
# PROTECTED METHOD: _startGrip where num
#
# Starts the sash drag and drop operation. At the start of the drag
# operation all the information is known as for the upper and lower
# limits for sash movement. The calculation is made at this time and
# stored in protected variables for later access during the drag
# handling routines.
# ------------------------------------------------------------------
body iwidgets::Panedwindow::_startGrip {where num} {
if {$itk_option(-orient) == "horizontal"} {
set _dimension $_height
} else {
set _dimension $_width
}
set _minsashmoved $num
set _maxsashmoved $num
set totMinHeight 0
set cnt [llength $_activePanes]
set _sashloc(0) 0
set _pixels($cnt) [expr int($_dimension)]
for {set i 0} {$i < $cnt} {incr i} {
set _pixels($i) [expr int($_frac($i) * $_dimension)]
set margaft [$itk_component([lindex $_activePanes $i]) cget -margin]
set minaft [$itk_component([lindex $_activePanes $i]) cget -minimum]
set _minheight($i) [expr $minaft + (2 * $margaft)]
incr totMinHeight $_minheight($i)
}
set _dragging [expr $_dimension > $totMinHeight]
grab $itk_component(sash$num)
raise $itk_component(separator$num)
raise $itk_component(sash$num)
$itk_component(sash$num) configure -relief sunken
}
# ------------------------------------------------------------------
# PROTECTED METHOD: _endGrip where num
#
# Ends the sash drag and drop operation.
# ------------------------------------------------------------------
body iwidgets::Panedwindow::_endGrip {where num} {
$itk_component(sash$num) configure -relief raised
grab release $itk_component(sash$num)
if {$_dragging} {
_calcFraction [expr $_sashloc($num) + $where] $num
_placePanes [expr $_minsashmoved - 1] $_maxsashmoved
set _dragging 0
}
}
# ------------------------------------------------------------------
# PROTECTED METHOD: _configGrip where num
#
# Configure action for sash.
# ------------------------------------------------------------------
body iwidgets::Panedwindow::_configGrip {where num} {
set _sashloc($num) $where
}
# ------------------------------------------------------------------
# PROTECTED METHOD: _handleGrip where num
#
# Motion action for sash.
# ------------------------------------------------------------------
body iwidgets::Panedwindow::_handleGrip {where num} {
if {$_dragging} {
_moveSash [expr $where + $_sashloc($num)] $num
incr _movecount
if {$_movecount>4} {
set _movecount 0
update idletasks
}
}
}
# ------------------------------------------------------------------
# PROTECTED METHOD: _moveSash where num
#
# Move the sash to the absolute pixel location
# ------------------------------------------------------------------
body iwidgets::Panedwindow::_moveSash {where num} {
set _minsashmoved [expr ($_minsashmoved<$num)?$_minsashmoved:$num]
set _maxsashmoved [expr ($_maxsashmoved>$num)?$_maxsashmoved:$num]
set oldfrac $_frac($num)
_calcFraction $where $num
if {$_frac($num)!=$oldfrac} { _placeSash $num }
}
# ------------------------------------------------------------------
# PRIVATE METHOD: _setFracArray
#
# Calculates the percentages for the fraction array which lists the
# percentages for each pane.
# ------------------------------------------------------------------
body iwidgets::Panedwindow::_setFracArray {} {
set perc 0.0
if {[llength $_activePanes] != 0} {
set percIncr [expr 1.0 / [llength $_activePanes]]
}
for {set i 0} {$i < [llength $_activePanes]} {incr i} {
set _frac($i) $perc
set perc [expr $perc + $percIncr]
}
set _frac($i) 1.0
}
# ------------------------------------------------------------------
# PRIVATE METHOD: _setActivePanes
#
# Resets the active pane list.
# ------------------------------------------------------------------
body iwidgets::Panedwindow::_setActivePanes {} {
set _prevActivePanes $_activePanes
set _activePanes {}
foreach pane $_panes {
if {[lsearch -exact $_prevActivePanes $pane] != -1} {
lappend _activePanes $pane
}
}
}
# ------------------------------------------------------------------
# PRIVATE METHOD: _calcFraction where num
#
# Determines the fraction for the sash. Make sure the fraction does
# not go past the minimum for the pane on each side of the separator.
# ------------------------------------------------------------------
body iwidgets::Panedwindow::_calcFraction {where num} {
set _lowerlimit \
[expr $_pixels([expr $num - 1]) + $_minheight([expr $num - 1])]
set _upperlimit \
[expr $_pixels([expr $num + 1]) - $_minheight($num)]
set dir [expr $where - $_pixels($num)]
if {$where < $_lowerlimit && $dir <= 0} {
if {$num == 1} {
set _pixels($num) $_lowerlimit
} {
_moveSash [expr $where - $_minheight([expr $num - 1])] [expr $num -1]
set _pixels($num) \
[expr $_pixels([expr $num - 1]) + $_minheight([expr $num - 1])]
}
} elseif {$where > $_upperlimit && $dir >= 0} {
if {[expr $num + 1] == [llength $_activePanes]} {
set _pixels($num) $_upperlimit
} {
_moveSash [expr $where + $_minheight($num)] [expr $num +1]
set _pixels($num) \
[expr $_pixels([expr $num + 1]) - $_minheight($num)]
}
} else {
set _pixels($num) $where
}
set _frac($num) [expr $_pixels($num).0 / $_dimension]
}
# ------------------------------------------------------------------
# PRIVATE METHOD: _makeSashes
#
# Removes any previous sashes and separators and creates new one.
# ------------------------------------------------------------------
body iwidgets::Panedwindow::_makeSashes {} {
#
# Remove any existing sashes and separators.
#
foreach sash $_sashes {
destroy $itk_component($sash)
}
foreach separator $_separators {
destroy $itk_component($separator)
}
set _sashes {}
set _separators {}
#
# Create one less separator and sash than the number of panes.
#
for {set id 1} {$id < [llength $_activePanes]} {incr id} {
itk_component add sash$id {
frame $itk_interior.sash$id -relief raised \
-borderwidth $itk_option(-sashborderwidth) \
-cursor $itk_option(-sashcursor) \
-width $itk_option(-sashwidth) \
-height $itk_option(-sashheight)
} {
keep -background
}
lappend _sashes sash$id
switch $itk_option(-orient) {
vertical {
bind $itk_component(sash$id) <Button-1> \
[code $this _startGrip %x $id]
bind $itk_component(sash$id) <B1-Motion> \
[code $this _handleGrip %x $id]
bind $itk_component(sash$id) <B1-ButtonRelease-1> \
[code $this _endGrip %x $id]
bind $itk_component(sash$id) <Configure> \
[code $this _configGrip %x $id]
}
horizontal {
bind $itk_component(sash$id) <Button-1> \
[code $this _startGrip %y $id]
bind $itk_component(sash$id) <B1-Motion> \
[code $this _handleGrip %y $id]
bind $itk_component(sash$id) <B1-ButtonRelease-1> \
[code $this _endGrip %y $id]
bind $itk_component(sash$id) <Configure> \
[code $this _configGrip %y $id]
}
}
itk_component add separator$id {
frame $itk_interior.separator$id -relief sunken \
-height $itk_option(-thickness) \
-width $itk_option(-thickness) \
-borderwidth [expr $itk_option(-thickness) / 2]
} {
keep -background -cursor
}
lappend _separators separator$id
}
}
# ------------------------------------------------------------------
# PRIVATE METHOD: _placeSash i
#
# Places the position of the sash and separator.
# ------------------------------------------------------------------
body iwidgets::Panedwindow::_placeSash {i} {
if {$itk_option(-orient) == "horizontal"} {
place $itk_component(separator$i) -in $itk_component(hull) \
-x 0 -relwidth 1 -rely $_frac($i) -anchor w \
-height $itk_option(-thickness)
if {$itk_option(-sashindent) < 0} {
set sashPos [expr $_width + $itk_option(-sashindent)]
set sashAnchor e
} else {
set sashPos $itk_option(-sashindent)
set sashAnchor w
}
place $itk_component(sash$i) -in $itk_component(hull) \
-x $sashPos -rely $_frac($i) -anchor $sashAnchor
} else {
place $itk_component(separator$i) -in $itk_component(hull) \
-y 0 -relheight 1 -relx $_frac($i) -anchor n \
-width $itk_option(-thickness)
if {$itk_option(-sashindent) < 0} {
set sashPos [expr $_height + $itk_option(-sashindent)]
set sashAnchor s
} else {
set sashPos $itk_option(-sashindent)
set sashAnchor n
}
place $itk_component(sash$i) -in $itk_component(hull) \
-y $sashPos -relx $_frac($i) -anchor $sashAnchor
}
}
# ------------------------------------------------------------------
# PRIVATE METHOD: _placePanes
#
# Resets the panes of the window following movement of the sash.
# ------------------------------------------------------------------
body iwidgets::Panedwindow::_placePanes {{start 0} {end end}} {
if {$end=="end"} { set end [expr [llength $_activePanes] - 1] }
set _updatePanes [lrange $_activePanes $start $end]
if {$_updatePanes == $_activePanes} {
set _forgetPanes $_panes
} {
set _forgetPanes $_updatePanes
}
foreach pane $_forgetPanes {
place forget $itk_component($pane)
}
if {$itk_option(-orient) == "horizontal"} {
set i $start
foreach pane $_updatePanes {
place $itk_component($pane) -in $itk_component(hull) \
-x 0 -rely $_frac($i) -relwidth 1 \
-relheight [expr $_frac([expr $i + 1]) - $_frac($i)]
incr i
}
} else {
set i $start
foreach pane $_updatePanes {
place $itk_component($pane) -in $itk_component(hull) \
-y 0 -relx $_frac($i) -relheight 1 \
-relwidth [expr $_frac([expr $i + 1]) - $_frac($i)]
incr i
}
}
for {set i [expr $start+1]} {$i <= $end} {incr i} {
if {[array names itk_component separator$i] != ""} {
_placeSash $i
raise $itk_component(separator$i)
raise $itk_component(sash$i)
}
}
}