| # ---------------------------------------------------------------------- |
| # 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" |
