itcl/iwidgets/demos/entryfield


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# ----------------------------------------------------------------------
#  DEMO: entryfield in [incr Widgets]
# ----------------------------------------------------------------------
package require Iwidgets 4.0

option add *textBackground seashell
. configure -background white

iwidgets::entryfield .login -labeltext "Login:" -labelpos nw \
    -command { focus [.passwd component entry] }
pack .login -padx 4 -pady 4

iwidgets::entryfield .passwd -labeltext "Password:" -labelpos nw -show "\267" \
    -command { focus [.phone component entry] }
pack .passwd -padx 4 -pady 4

iwidgets::entryfield .phone -labeltext "Phone:" -labelpos nw \
    -command { focus [.login component entry] } \
    -validate {check_phonenum %W "%c"}
pack .phone -padx 4 -pady 4

proc check_phonenum {entry char} {
    set current [$entry get]
    set len [string length $current]
    if {$len == 3 || $len == 7} {
        $entry delete 0 end
        $entry insert 0 "$current-"
    }
    if {$len < 12 && [string match {[0-9]} $char]} {
        return 1
    }
    return 0
}