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- # spinbox.tcl --
- #
- # BWidget SpinBox implementation.
- #
- # Copyright (c) 1999 by Unifix
- # Copyright (c) 2000 by Ajuba Solutions
- # All rights reserved.
- #
- # RCS: @(#) $Id: spinbox.tcl,v 1.10 2000/05/30 23:44:46 ericm Exp $
- # -----------------------------------------------------------------------------
- # Index of commands:
- # - SpinBox::create
- # - SpinBox::configure
- # - SpinBox::cget
- # - SpinBox::setvalue
- # - SpinBox::_destroy
- # - SpinBox::_modify_value
- # - SpinBox::_test_options
- # -----------------------------------------------------------------------------
-
- namespace eval SpinBox {
- ArrowButton::use
- Entry::use
-
- Widget::tkinclude SpinBox frame :cmd \
- include {-background -borderwidth -bg -bd -relief} \
- initialize {-relief sunken -borderwidth 2}
-
- Widget::bwinclude SpinBox Entry .e \
- remove {-relief -bd -borderwidth -fg -bg} \
- rename {-foreground -entryfg -background -entrybg}
-
- Widget::declare SpinBox {
- {-range String "" 0}
- {-values String "" 0}
- {-modifycmd String "" 0}
- {-repeatdelay Int 400 0 {%d >= 0}}
- {-repeatinterval Int 100 0 {%d >= 0}}
- {-foreground TkResource black 0 {button}}
- }
-
- Widget::addmap SpinBox "" :cmd {-background {}}
- Widget::addmap SpinBox ArrowButton .arrup {
- -foreground {} -background {} -disabledforeground {} -state {} \
- -repeatinterval {} -repeatdelay {}
- }
- Widget::addmap SpinBox ArrowButton .arrdn {
- -foreground {} -background {} -disabledforeground {} -state {} \
- -repeatinterval {} -repeatdelay {}
- }
-
- ::bind SpinBox <FocusIn> [list after idle {BWidget::refocus %W %W.e}]
- ::bind SpinBox <Destroy> {SpinBox::_destroy %W}
-
- interp alias {} ::SpinBox {} ::SpinBox::create
- proc use {} {}
-
- variable _widget
- }
-
-
- # -----------------------------------------------------------------------------
- # Command SpinBox::create
- # -----------------------------------------------------------------------------
- proc SpinBox::create { path args } {
- array set maps [list SpinBox {} :cmd {} .e {} .arrup {} .arrdn {}]
- array set maps [Widget::parseArgs SpinBox $args]
- eval frame $path $maps(:cmd) -highlightthickness 0 \
- -takefocus 0 -class SpinBox
- Widget::initFromODB SpinBox $path $maps(SpinBox)
-
- set entry [eval Entry::create $path.e $maps(.e) -relief flat -bd 0]
- bindtags $path.e [linsert [bindtags $path.e] 1 SpinBoxEntry]
-
- set farr [frame $path.farr -relief flat -bd 0 -highlightthickness 0]
- set height [expr {[winfo reqheight $path.e]/2-2}]
- set width 11
- set arrup [eval ArrowButton::create $path.arrup -dir top \
- $maps(.arrup) \
- -highlightthickness 0 -borderwidth 1 -takefocus 0 \
- -type button \
- -width $width -height $height \
- -armcommand [list "SpinBox::_modify_value $path next arm"] \
- -disarmcommand [list "SpinBox::_modify_value $path next disarm"]]
- set arrdn [eval ArrowButton::create $path.arrdn -dir bottom \
- $maps(.arrdn) \
- -highlightthickness 0 -borderwidth 1 -takefocus 0 \
- -type button \
- -width $width -height $height \
- -armcommand [list "SpinBox::_modify_value $path previous arm"] \
- -disarmcommand [list "SpinBox::_modify_value $path previous disarm"]]
-
- # --- update SpinBox value ---
- _test_options $path
- set val [Entry::cget $path.e -text]
- if { [string equal $val ""] } {
- Entry::configure $path.e -text $::SpinBox::_widget($path,curval)
- } else {
- set ::SpinBox::_widget($path,curval) $val
- }
-
- grid $arrup -in $farr -column 0 -row 0 -sticky nsew
- grid $arrdn -in $farr -column 0 -row 2 -sticky nsew
- grid rowconfigure $farr 0 -weight 1
- grid rowconfigure $farr 2 -weight 1
-
- pack $farr -side right -fill y
- pack $entry -side left -fill both -expand yes
-
- ::bind $entry <Key-Up> "SpinBox::_modify_value $path next activate"
- ::bind $entry <Key-Down> "SpinBox::_modify_value $path previous activate"
- ::bind $entry <Key-Prior> "SpinBox::_modify_value $path last activate"
- ::bind $entry <Key-Next> "SpinBox::_modify_value $path first activate"
-
- ::bind $farr <Configure> {grid rowconfigure %W 1 -minsize [expr {%h%%2}]}
-
- rename $path ::$path:cmd
- proc ::$path { cmd args } "return \[eval SpinBox::\$cmd $path \$args\]"
-
- return $path
- }
-
- # -----------------------------------------------------------------------------
- # Command SpinBox::configure
- # -----------------------------------------------------------------------------
- proc SpinBox::configure { path args } {
- set res [Widget::configure $path $args]
- if { [Widget::hasChangedX $path -values] ||
- [Widget::hasChangedX $path -range] } {
- _test_options $path
- }
- return $res
- }
-
-
- # -----------------------------------------------------------------------------
- # Command SpinBox::cget
- # -----------------------------------------------------------------------------
- proc SpinBox::cget { path option } {
- return [Widget::cget $path $option]
- }
-
-
- # -----------------------------------------------------------------------------
- # Command SpinBox::setvalue
- # -----------------------------------------------------------------------------
- proc SpinBox::setvalue { path index } {
- variable _widget
-
- set values [Widget::getMegawidgetOption $path -values]
- set value [Entry::cget $path.e -text]
-
- if { [llength $values] } {
- # --- -values SpinBox ---
- switch -- $index {
- next {
- if { [set idx [lsearch $values $value]] != -1 } {
- incr idx
- } elseif { [set idx [lsearch $values "$value*"]] == -1 } {
- set idx [lsearch $values $_widget($path,curval)]
- }
- }
- previous {
- if { [set idx [lsearch $values $value]] != -1 } {
- incr idx -1
- } elseif { [set idx [lsearch $values "$value*"]] == -1 } {
- set idx [lsearch $values $_widget($path,curval)]
- }
- }
- first {
- set idx 0
- }
- last {
- set idx [expr {[llength $values]-1}]
- }
- default {
- if { [string index $index 0] == "@" } {
- set idx [string range $index 1 end]
- if { [catch {string compare [expr {int($idx)}] $idx} res] || $res != 0 } {
- return -code error "bad index \"$index\""
- }
- } else {
- return -code error "bad index \"$index\""
- }
- }
- }
- if { $idx >= 0 && $idx < [llength $values] } {
- set newval [lindex $values $idx]
- } else {
- return 0
- }
- } else {
- # --- -range SpinBox ---
- foreach {vmin vmax incr} [Widget::getMegawidgetOption $path -range] {
- break
- }
- # Allow zero padding on the value; strip it out for calculation by
- # scanning the value into a floating point number.
- scan $value %f value
- switch -- $index {
- next {
- if { [catch {expr {double($value-$vmin)/$incr}} idx] } {
- set newval $_widget($path,curval)
- } else {
- set newval [expr {$vmin+(round($idx)+1)*$incr}]
- if { $newval < $vmin } {
- set newval $vmin
- } elseif { $newval > $vmax } {
- set newval $vmax
- }
- }
- }
- previous {
- if { [catch {expr {double($value-$vmin)/$incr}} idx] } {
- set newval $_widget($path,curval)
- } else {
- set newval [expr {$vmin+(round($idx)-1)*$incr}]
- if { $newval < $vmin } {
- set newval $vmin
- } elseif { $newval > $vmax } {
- set newval $vmax
- }
- }
- }
- first {
- set newval $vmin
- }
- last {
- set newval $vmax
- }
- default {
- if { [string index $index 0] == "@" } {
- set idx [string range $index 1 end]
- if { [catch {string compare [expr {int($idx)}] $idx} res] || $res != 0 } {
- return -code error "bad index \"$index\""
- }
- set newval [expr {$vmin+int($idx)*$incr}]
- if { $newval < $vmin || $newval > $vmax } {
- return 0
- }
- } else {
- return -code error "bad index \"$index\""
- }
- }
- }
- }
- set _widget($path,curval) $newval
- Entry::configure $path.e -text $newval
- return 1
- }
-
-
- # -----------------------------------------------------------------------------
- # Command SpinBox::getvalue
- # -----------------------------------------------------------------------------
- proc SpinBox::getvalue { path } {
- variable _widget
-
- set values [Widget::getMegawidgetOption $path -values]
- set value [Entry::cget $path.e -text]
-
- if { [llength $values] } {
- # --- -values SpinBox ---
- return [lsearch $values $value]
- } else {
- foreach {vmin vmax incr} [Widget::getMegawidgetOption $path -range] {
- break
- }
- if { ![catch {expr {double($value-$vmin)/$incr}} idx] &&
- $idx == int($idx) } {
- return [expr {int($idx)}]
- }
- return -1
- }
- }
-
-
- # -----------------------------------------------------------------------------
- # Command SpinBox::bind
- # -----------------------------------------------------------------------------
- proc SpinBox::bind { path args } {
- return [eval ::bind $path.e $args]
- }
-
-
- # -----------------------------------------------------------------------------
- # Command SpinBox::_destroy
- # -----------------------------------------------------------------------------
- proc SpinBox::_destroy { path } {
- variable _widget
-
- unset _widget($path,curval)
- Widget::destroy $path
- rename $path {}
- }
-
-
- # -----------------------------------------------------------------------------
- # Command SpinBox::_modify_value
- # -----------------------------------------------------------------------------
- proc SpinBox::_modify_value { path direction reason } {
- if { $reason == "arm" || $reason == "activate" } {
- SpinBox::setvalue $path $direction
- }
- if { ($reason == "disarm" || $reason == "activate") &&
- [set cmd [Widget::getMegawidgetOption $path -modifycmd]] != "" } {
- uplevel \#0 $cmd
- }
- }
-
- # -----------------------------------------------------------------------------
- # Command SpinBox::_test_options
- # -----------------------------------------------------------------------------
- proc SpinBox::_test_options { path } {
- set values [Widget::getMegawidgetOption $path -values]
- if { [llength $values] } {
- set ::SpinBox::_widget($path,curval) [lindex $values 0]
- } else {
- foreach {vmin vmax incr} [Widget::getMegawidgetOption $path -range] {
- break
- }
- set update 0
- if { [catch {expr {int($vmin)}}] } {
- set vmin 0
- set update 1
- }
- if { [catch {expr {$vmax<$vmin}} res] || $res } {
- set vmax $vmin
- set update 1
- }
- if { [catch {expr {$incr<0}} res] || $res } {
- set incr 1
- set update 1
- }
- # Only do the set back (which is expensive) if we changed a value
- if { $update } {
- Widget::setMegawidgetOption $path -range [list $vmin $vmax $incr]
- }
- set ::SpinBox::_widget($path,curval) $vmin
- }
- }
-
-