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- # ------------------------------------------------------------------------------
- # buttonbox.tcl
- # This file is part of Unifix BWidget Toolkit
- # ------------------------------------------------------------------------------
- # Index of commands:
- # - ButtonBox::create
- # - ButtonBox::configure
- # - ButtonBox::cget
- # - ButtonBox::add
- # - ButtonBox::itemconfigure
- # - ButtonBox::itemcget
- # - ButtonBox::setfocus
- # - ButtonBox::invoke
- # - ButtonBox::index
- # - ButtonBox::_destroy
- # ------------------------------------------------------------------------------
-
- namespace eval ButtonBox {
- Button::use
-
- Widget::declare ButtonBox {
- {-background TkResource "" 0 frame}
- {-orient Enum horizontal 1 {horizontal vertical}}
- {-homogeneous Boolean 1 1}
- {-spacing Int 10 0 "%d >= 0"}
- {-padx TkResource "" 0 button}
- {-pady TkResource "" 0 button}
- {-default Int -1 0 "%d >= -1"}
- {-bg Synonym -background}
- }
-
- Widget::addmap ButtonBox "" :cmd {-background {}}
-
- proc ::ButtonBox { path args } { return [eval ButtonBox::create $path $args] }
- proc use {} {}
- }
-
-
- # ------------------------------------------------------------------------------
- # Command ButtonBox::create
- # ------------------------------------------------------------------------------
- proc ButtonBox::create { path args } {
- Widget::init ButtonBox $path $args
-
- variable $path
- upvar 0 $path data
-
- eval frame $path [Widget::subcget $path :cmd] -takefocus 0 -highlightthickness 0
-
- set data(default) [Widget::getoption $path -default]
- set data(nbuttons) 0
- set data(max) 0
-
- bind $path <Destroy> "ButtonBox::_destroy $path"
-
- rename $path ::$path:cmd
- proc ::$path { cmd args } "return \[eval ButtonBox::\$cmd $path \$args\]"
-
- return $path
- }
-
-
- # ------------------------------------------------------------------------------
- # Command ButtonBox::configure
- # ------------------------------------------------------------------------------
- proc ButtonBox::configure { path args } {
- variable $path
- upvar 0 $path data
-
- set res [Widget::configure $path $args]
-
- if { [Widget::hasChanged $path -default val] } {
- if { $data(default) != -1 && $val != -1 } {
- set but $path.b$data(default)
- if { [winfo exists $but] } {
- $but configure -default normal
- }
- set but $path.b$val
- if { [winfo exists $but] } {
- $but configure -default active
- }
- set data(default) $val
- } else {
- Widget::setoption $path -default $data(default)
- }
- }
-
- return $res
- }
-
-
- # ------------------------------------------------------------------------------
- # Command ButtonBox::cget
- # ------------------------------------------------------------------------------
- proc ButtonBox::cget { path option } {
- return [Widget::cget $path $option]
- }
-
-
- # ------------------------------------------------------------------------------
- # Command ButtonBox::add
- # ------------------------------------------------------------------------------
- proc ButtonBox::add { path args } {
- variable $path
- upvar 0 $path data
-
- set but $path.b$data(nbuttons)
- set spacing [Widget::getoption $path -spacing]
-
- if { $data(nbuttons) == $data(default) } {
- set style active
- } elseif { $data(default) == -1 } {
- set style disabled
- } else {
- set style normal
- }
-
- array set flags $args
- set tags ""
- if { [info exists flags(-tags)] } {
- set tags $flags(-tags)
- unset flags(-tags)
- set args [array get flags]
- }
-
- eval Button::create $but \
- -background [Widget::getoption $path -background]\
- -padx [Widget::getoption $path -padx] \
- -pady [Widget::getoption $path -pady] \
- $args \
- -default $style
-
- # ericm@scriptics.com: set up tags, just like the menu items
- foreach tag $tags {
- lappend data(tags,$tag) $but
- if { ![info exists data(tagstate,$tag)] } {
- set data(tagstate,$tag) 0
- }
- }
- set data(buttontags,$but) $tags
- # ericm@scriptics.com
-
- set idx [expr {2*$data(nbuttons)}]
- if { ![string compare [Widget::getoption $path -orient] "horizontal"] } {
- grid $but -column $idx -row 0 -sticky nsew
- if { [Widget::getoption $path -homogeneous] } {
- set req [winfo reqwidth $but]
- if { $req > $data(max) } {
- for {set i 0} {$i < $data(nbuttons)} {incr i} {
- grid columnconfigure $path [expr {2*$i}] -minsize $req
- }
- set data(max) $req
- }
- grid columnconfigure $path $idx -minsize $data(max) -weight 1
- } else {
- grid columnconfigure $path $idx -weight 0
- }
- if { $data(nbuttons) > 0 } {
- grid columnconfigure $path [expr {$idx-1}] -minsize $spacing
- }
- } else {
- grid $but -column 0 -row $idx -sticky nsew
- grid rowconfigure $path $idx -weight 0
- if { $data(nbuttons) > 0 } {
- grid rowconfigure $path [expr {$idx-1}] -minsize $spacing
- }
- }
-
- incr data(nbuttons)
-
- return $but
- }
-
- # ::ButtonBox::setbuttonstate --
- #
- # Set the state of a given button tag. If this makes any buttons
- # enable-able (ie, all of their tags are TRUE), enable them.
- #
- # Arguments:
- # path the button box widget name
- # tag the tag to modify
- # state the new state of $tag (0 or 1)
- #
- # Results:
- # None.
-
- proc ::ButtonBox::setbuttonstate {path tag state} {
- variable $path
- upvar 0 $path data
- # First see if this is a real tag
- if { [info exists data(tagstate,$tag)] } {
- set data(tagstate,$tag) $state
- foreach but $data(tags,$tag) {
- set expression "1"
- foreach buttontag $data(buttontags,$but) {
- append expression " && $data(tagstate,$buttontag)"
- }
- if { [expr $expression] } {
- set state normal
- } else {
- set state disabled
- }
- $but configure -state $state
- }
- }
- return
- }
-
- # ::ButtonBox::getbuttonstate --
- #
- # Retrieve the state of a given button tag.
- #
- # Arguments:
- # path the button box widget name
- # tag the tag to modify
- #
- # Results:
- # None.
-
- proc ::ButtonBox::getbuttonstate {path tag} {
- variable $path
- upvar 0 $path data
- # First see if this is a real tag
- if { [info exists data(tagstate,$tag)] } {
- return $data(tagstate,$tag)
- } else {
- error "unknown tag $tag"
- }
- }
-
- # ------------------------------------------------------------------------------
- # Command ButtonBox::itemconfigure
- # ------------------------------------------------------------------------------
- proc ButtonBox::itemconfigure { path index args } {
- if { [set idx [lsearch $args -default]] != -1 } {
- set args [lreplace $args $idx [expr {$idx+1}]]
- }
- return [eval Button::configure $path.b[index $path $index] $args]
- }
-
-
- # ------------------------------------------------------------------------------
- # Command ButtonBox::itemcget
- # ------------------------------------------------------------------------------
- proc ButtonBox::itemcget { path index option } {
- return [Button::cget $path.b[index $path $index] $option]
- }
-
-
- # ------------------------------------------------------------------------------
- # Command ButtonBox::setfocus
- # ------------------------------------------------------------------------------
- proc ButtonBox::setfocus { path index } {
- set but $path.b[index $path $index]
- if { [winfo exists $but] } {
- focus $but
- }
- }
-
-
- # ------------------------------------------------------------------------------
- # Command ButtonBox::invoke
- # ------------------------------------------------------------------------------
- proc ButtonBox::invoke { path index } {
- set but $path.b[index $path $index]
- if { [winfo exists $but] } {
- Button::invoke $but
- }
- }
-
-
- # ------------------------------------------------------------------------------
- # Command ButtonBox::index
- # ------------------------------------------------------------------------------
- proc ButtonBox::index { path index } {
- if { ![string compare $index "default"] } {
- set res [Widget::getoption $path -default]
- } elseif { ![string compare $index "end"] || ![string compare $index "last"] } {
- variable $path
- upvar 0 $path data
-
- set res [expr {$data(nbuttons)-1}]
- } else {
- set res $index
- }
- return $res
- }
-
-
- # ------------------------------------------------------------------------------
- # Command ButtonBox::_destroy
- # ------------------------------------------------------------------------------
- proc ButtonBox::_destroy { path } {
- variable $path
- upvar 0 $path data
-
- Widget::destroy $path
- unset data
- rename $path {}
- }
-
- # ::ButtonBox::gettags --
- #
- # Return a list of all the tags on all the buttons in a buttonbox.
- #
- # Arguments:
- # path the buttonbox to query.
- #
- # Results:
- # taglist a list of tags on the buttons in the buttonbox
-
- proc ::ButtonBox::gettags {path} {
- upvar ::ButtonBox::$path data
- set taglist {}
- foreach tag [array names data "tags,*"] {
- lappend taglist [string range $tag 5 end]
- }
- return $taglist
- }
-
-