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namespace eval selectionwindow {
variable selectionvalue
variable selectionwindow
}
proc selectionwindow::selectfromlist { window title selectionlist args } {
variable selectionvalue
variable selectionwindow
if { [winfo exists $window] } {
raise $window;
return [lindex $selectionlist 0]
}
set selectionwindow $window
toplevel $selectionwindow
wm geometry $selectionwindow +200+200
focus -force $selectionwindow
wm title $selectionwindow $title
set maxstrlength [expr [string length $title]+12]
if { [llength $selectionlist]==0 } { destroy $selectionwindow; return {} }
foreach elem $selectionlist {
if { [string length $elem]>$maxstrlength } {
set maxstrlength [string length $elem]
}
}
scrollbar $selectionwindow.scroll -command "$selectionwindow.listbox yview"
eval "listbox $selectionwindow.listbox -yscroll \"$selectionwindow.scroll set\" \
-width $maxstrlength -height 10 -setgrid 1 $args"
pack $selectionwindow.listbox $selectionwindow.scroll -side left -fill y -expand 1
foreach elem $selectionlist {
$selectionwindow.listbox insert end $elem
}
bind $selectionwindow.listbox <Double-1> {
namespace eval selectionwindow {
set selectionvalue [selection get]
destroy $selectionwindow
}
}
tkwait window $selectionwindow
if { [info exists selectionvalue] } {
return $selectionvalue
} else {
if { [llength $selectionlist] != 0 } {
return [lindex $selectionlist 0]
} else {
return ""
}
}
}
# puts [selectionwindow::selectfromlist .demo "Wähle Frucht" { Apfel Birne Zitrone dsfsdfdsfdsfdsfsdfds}]
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