neingeist
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arduinisten
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# ----------------------------------------------------------------------
# DEMO: spinner in [incr Widgets]
# ----------------------------------------------------------------------
package require Iwidgets 4.0
option add *textBackground seashell
proc spinMonth {win step} {
set months {
January February March April
May June July August September
October November December
}
set index [expr [lsearch $months [$win get]] + $step]
if {$index < 0} {set index 11}
if {$index > 11} {set index 0}
$win delete 0 end
$win insert 0 [lindex $months $index]
}
iwidgets::spinner .sm -labeltext "Month:" -width 10 -fixed 10 \
-decrement {spinMonth .sm -1} -increment {spinMonth .sm 1}
pack .sm
.sm insert 0 "January"