/usr/share/tcltk/iwidgets4.1.0/scripts/spindate.itk is in iwidgets4 4.1.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# ----------------------------------------------------------------------
# Implements a Date spinner widget. A date spinner contains three
# Spinner widgets: one Spinner for months, one SpinInt for days,
# and one SpinInt for years. Months can be specified as abbreviated
# strings, integers or a user-defined list. Options exist to manage to
# behavior, appearance, and format of each component spinner.
#
# ----------------------------------------------------------------------
# AUTHOR: Sue Yockey EMAIL: yockey@actc.com
# Mark L. Ulferts mulferts@austin.dsccc.com
#
# @(#) $Id: spindate.itk,v 1.5 2001/08/22 15:51:13 smithc Exp $
# ----------------------------------------------------------------------
# Copyright (c) 1997 DSC Technologies Corporation
# ======================================================================
# Permission to use, copy, modify, distribute and license this software
# and its documentation for any purpose, and without fee or written
# agreement with DSC, is hereby granted, provided that the above copyright
# notice appears in all copies and that both the copyright notice and
# warranty disclaimer below appear in supporting documentation, and that
# the names of DSC Technologies Corporation or DSC Communications
# Corporation not be used in advertising or publicity pertaining to the
# software without specific, written prior permission.
#
# DSC DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
# ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, AND NON-
# INFRINGEMENT. THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, AND THE
# AUTHORS AND DISTRIBUTORS HAVE NO OBLIGATION TO PROVIDE MAINTENANCE,
# SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. IN NO EVENT SHALL
# DSC BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
# ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTUOUS ACTION,
# ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
# SOFTWARE.
# ======================================================================
#
# Default resources.
#
option add *Spindate.monthLabel "Month" widgetDefault
option add *Spindate.dayLabel "Day" widgetDefault
option add *Spindate.yearLabel "Year" widgetDefault
option add *Spindate.monthWidth 4 widgetDefault
option add *Spindate.dayWidth 4 widgetDefault
option add *Spindate.yearWidth 4 widgetDefault
#
# Usual options.
#
itk::usual Spindate {
keep -background -cursor -foreground -labelfont -textbackground -textfont
}
# ------------------------------------------------------------------
# SPINDATE
# ------------------------------------------------------------------
itcl::class iwidgets::Spindate {
inherit itk::Widget
constructor {args} {}
destructor {}
itk_option define -labelpos labelPos Position w
itk_option define -orient orient Orient vertical
itk_option define -monthon monthOn MonthOn true
itk_option define -dayon dayOn DayOn true
itk_option define -yearon yearOn YearOn true
itk_option define -datemargin dateMargin Margin 1
itk_option define -yeardigits yearDigits YearDigits 4
itk_option define -monthformat monthFormat MonthFormat integer
public {
method get {{format "-string"}}
method show {{date now}}
}
protected {
method _packDate {{when later}}
variable _repack {} ;# Reconfiguration flag.
}
private {
method _lastDay {month year}
method _spinMonth {direction}
method _spinDay {direction}
variable _monthFormatStr "%m"
variable _yearFormatStr "%Y"
variable _interior
}
}
#
# Provide a lowercased access method for the Spindate class.
#
proc ::iwidgets::spindate {pathName args} {
uplevel ::iwidgets::Spindate $pathName $args
}
# ------------------------------------------------------------------
# CONSTRUCTOR
# ------------------------------------------------------------------
itcl::body iwidgets::Spindate::constructor {args} {
set _interior $itk_interior
set clicks [clock seconds]
#
# Create Month Spinner
#
itk_component add month {
iwidgets::Spinner $itk_interior.month -fixed 2 -justify right \
-decrement [itcl::code $this _spinMonth -1] \
-increment [itcl::code $this _spinMonth 1]
} {
keep -background -cursor -arroworient -foreground \
-labelfont -labelmargin -relief -textbackground \
-textfont -repeatdelay -repeatinterval
rename -labeltext -monthlabel monthLabel Text
rename -width -monthwidth monthWidth Width
}
#
# Take off the default bindings for selction and motion.
#
bind [$itk_component(month) component entry] <1> {break}
bind [$itk_component(month) component entry] <Button1-Motion> {break}
#
# Create Day Spinner
#
itk_component add day {
iwidgets::Spinint $itk_interior.day -fixed 2 -justify right \
-decrement [itcl::code $this _spinDay -1] \
-increment [itcl::code $this _spinDay 1]
} {
keep -background -cursor -arroworient -foreground \
-labelfont -labelmargin -relief -textbackground \
-textfont -repeatdelay -repeatinterval
rename -labeltext -daylabel dayLabel Text
rename -width -daywidth dayWidth Width
}
#
# Take off the default bindings for selction and motion.
#
bind [$itk_component(day) component entry] <1> {break}
bind [$itk_component(day) component entry] <Button1-Motion> {break}
#
# Create Year Spinner
#
itk_component add year {
iwidgets::Spinint $itk_interior.year -fixed 2 -justify right \
-range {1900 3000}
} {
keep -background -cursor -arroworient -foreground \
-labelfont -labelmargin -relief -textbackground \
-textfont -repeatdelay -repeatinterval
rename -labeltext -yearlabel yearLabel Text
rename -width -yearwidth yearWidth Width
}
#
# Take off the default bindings for selction and motion.
#
bind [$itk_component(year) component entry] <1> {break}
bind [$itk_component(year) component entry] <Button1-Motion> {break}
#
# Initialize the widget based on the command line options.
#
eval itk_initialize $args
#
# Show the current date.
#
show now
}
# ------------------------------------------------------------------
# DESTRUCTOR
# ------------------------------------------------------------------
itcl::body iwidgets::Spindate::destructor {} {
if {$_repack != ""} {after cancel $_repack}
}
# ------------------------------------------------------------------
# OPTIONS
# ------------------------------------------------------------------
# ------------------------------------------------------------------
# OPTION: -labelpos
#
# Specifies the location of all 3 spinners' labels.
# ------------------------------------------------------------------
itcl::configbody iwidgets::Spindate::labelpos {
switch $itk_option(-labelpos) {
n {
$itk_component(month) configure -labelpos n
$itk_component(day) configure -labelpos n
$itk_component(year) configure -labelpos n
#
# Un-align labels
#
$itk_component(month) configure -labelmargin 1
$itk_component(day) configure -labelmargin 1
$itk_component(year) configure -labelmargin 1
}
s {
$itk_component(month) configure -labelpos s
$itk_component(day) configure -labelpos s
$itk_component(year) configure -labelpos s
#
# Un-align labels
#
$itk_component(month) configure -labelmargin 1
$itk_component(day) configure -labelmargin 1
$itk_component(year) configure -labelmargin 1
}
w {
$itk_component(month) configure -labelpos w
$itk_component(day) configure -labelpos w
$itk_component(year) configure -labelpos w
}
e {
$itk_component(month) configure -labelpos e
$itk_component(day) configure -labelpos e
$itk_component(year) configure -labelpos e
#
# Un-align labels
#
$itk_component(month) configure -labelmargin 1
$itk_component(day) configure -labelmargin 1
$itk_component(year) configure -labelmargin 1
}
default {
error "bad labelpos option \"$itk_option(-labelpos)\",\
should be n, s, w or e"
}
}
_packDate
}
# ------------------------------------------------------------------
# OPTION: -orient
#
# Specifies the orientation of the 3 spinners for Month, Day
# and year.
# ------------------------------------------------------------------
itcl::configbody iwidgets::Spindate::orient {
_packDate
}
# ------------------------------------------------------------------
# OPTION: -monthon
#
# Specifies whether or not to display the month spinner.
# ------------------------------------------------------------------
itcl::configbody iwidgets::Spindate::monthon {
_packDate
}
# ------------------------------------------------------------------
# OPTION: -dayon
#
# Specifies whether or not to display the day spinner.
# ------------------------------------------------------------------
itcl::configbody iwidgets::Spindate::dayon {
_packDate
}
# ------------------------------------------------------------------
# OPTION: -yearon
#
# Specifies whether or not to display the year spinner.
# ------------------------------------------------------------------
itcl::configbody iwidgets::Spindate::yearon {
_packDate
}
# ------------------------------------------------------------------
# OPTION: -datemargin
#
# Specifies the margin space between the month and day spinners
# and the day and year spinners.
# ------------------------------------------------------------------
itcl::configbody iwidgets::Spindate::datemargin {
_packDate
}
# ------------------------------------------------------------------
# OPTION: -yeardigits
#
# Number of digits for year display, 2 or 4
# ------------------------------------------------------------------
itcl::configbody iwidgets::Spindate::yeardigits {
set clicks [clock seconds]
switch $itk_option(-yeardigits) {
"2" {
$itk_component(year) configure -width 2 -fixed 2
$itk_component(year) clear
$itk_component(year) insert 0 [clock format $clicks -format "%y"]
set _yearFormatStr "%y"
}
"4" {
$itk_component(year) configure -width 4 -fixed 4
$itk_component(year) clear
$itk_component(year) insert 0 [clock format $clicks -format "%Y"]
set _yearFormatStr "%Y"
}
default {
error "bad yeardigits option \"$itk_option(-yeardigits)\",\
should be 2 or 4"
}
}
}
# ------------------------------------------------------------------
# OPTION: -monthformat
#
# Format of month display, integers (1-12) or brief strings (Jan -
# Dec), or full strings (January - December).
# ------------------------------------------------------------------
itcl::configbody iwidgets::Spindate::monthformat {
set clicks [clock seconds]
if {$itk_option(-monthformat) == "brief"} {
$itk_component(month) configure -width 3 -fixed 3
$itk_component(month) delete 0 end
$itk_component(month) insert 0 [clock format $clicks -format "%b"]
set _monthFormatStr "%b"
} elseif {$itk_option(-monthformat) == "full"} {
$itk_component(month) configure -width 9 -fixed 9
$itk_component(month) delete 0 end
$itk_component(month) insert 0 [clock format $clicks -format "%B"]
set _monthFormatStr "%B"
} elseif {$itk_option(-monthformat) == "integer"} {
$itk_component(month) configure -width 2 -fixed 2
$itk_component(month) delete 0 end
$itk_component(month) insert 0 [clock format $clicks -format "%m"]
set _monthFormatStr "%m"
} else {
error "bad monthformat option\
\"$itk_option(-monthformat)\", should be\
\"integer\", \"brief\" or \"full\""
}
}
# ------------------------------------------------------------------
# METHODS
# ------------------------------------------------------------------
# ------------------------------------------------------------------
# METHOD: get ?format?
#
# Return the current contents of the spindate widget in one of
# two formats string or as an integer clock value using the -string
# and -clicks options respectively. The default is by string.
# Reference the clock command for more information on obtaining dates
# and their formats.
# ------------------------------------------------------------------
itcl::body iwidgets::Spindate::get {{format "-string"}} {
set month [$itk_component(month) get]
set day [$itk_component(day) get]
set year [$itk_component(year) get]
if {[regexp {[0-9]+} $month]} {
set datestr "$month/$day/$year"
} else {
set datestr "$day $month $year"
}
switch -- $format {
"-string" {
return $datestr
}
"-clicks" {
return [clock scan $datestr]
}
default {
error "bad format option \"$format\":\
should be -string or -clicks"
}
}
}
# ------------------------------------------------------------------
# PUBLIC METHOD: show date
#
# Changes the currently displayed date to be that of the date
# argument. The date may be specified either as a string or an
# integer clock value. Reference the clock command for more
# information on obtaining dates and their formats.
# ------------------------------------------------------------------
itcl::body iwidgets::Spindate::show {{date "now"}} {
#
# Convert the date to a clock clicks value.
#
if {$date == "now"} {
set seconds [clock seconds]
} else {
if {[catch {clock format $date}] == 0} {
set seconds $date
} elseif {[catch {set seconds [clock scan $date]}] != 0} {
error "bad date: \"$date\", must be a valid date\
string, clock clicks value or the keyword now"
}
}
#
# Display the month based on the -monthformat option.
#
switch $itk_option(-monthformat) {
"brief" {
$itk_component(month) delete 0 end
$itk_component(month) insert 0 [clock format $seconds -format "%b"]
}
"full" {
$itk_component(month) delete 0 end
$itk_component(month) insert 0 [clock format $seconds -format "%B"]
}
"integer" {
$itk_component(month) delete 0 end
$itk_component(month) insert 0 [clock format $seconds -format "%m"]
}
}
#
# Display the day.
#
$itk_component(day) delete 0 end
$itk_component(day) insert end [clock format $seconds -format "%d"]
#
# Display the year based on the -yeardigits option.
#
switch $itk_option(-yeardigits) {
"2" {
$itk_component(year) delete 0 end
$itk_component(year) insert 0 [clock format $seconds -format "%y"]
}
"4" {
$itk_component(year) delete 0 end
$itk_component(year) insert 0 [clock format $seconds -format "%Y"]
}
}
return
}
# ----------------------------------------------------------------
# PRIVATE METHOD: _spinMonth direction
#
# Increment or decrement month value. We need to get the values
# for all three fields so we can make sure the day agrees with
# the month. Should the current day be greater than the day for
# the spun month, then the day is set to the last day for the
# new month.
# ----------------------------------------------------------------
itcl::body iwidgets::Spindate::_spinMonth {direction} {
set month [$itk_component(month) get]
set day [$itk_component(day) get]
set year [$itk_component(year) get]
#
# There appears to be a bug in the Tcl clock command in that it
# can't scan a date like "12/31/1999 1 month" or any other date with
# a year above 2000, but it has no problem scanning "07/01/1998 1 month".
# So, we're going to play a game and increment by days until this
# is fixed in Tcl.
#
if {$direction == 1} {
set incrdays 32
set day 01
} else {
set incrdays -28
set day 28
}
if {[regexp {[0-9]+} $month]} {
set clicks [clock scan "$month/$day/$year $incrdays day"]
} else {
set clicks [clock scan "$day $month $year $incrdays day"]
}
$itk_component(month) clear
$itk_component(month) insert 0 \
[clock format $clicks -format $_monthFormatStr]
set currday [$itk_component(day) get]
set lastday [_lastDay [$itk_component(month) get] $year]
if {$currday > $lastday} {
$itk_component(day) clear
$itk_component(day) insert end $lastday
}
}
# ----------------------------------------------------------------
# PRIVATE METHOD: _spinDay direction
#
# Increment or decrement day value. If the previous day was the
# first, then set the new day to the last day for the current
# month. If it was the last day of the month, change it to the
# first. Otherwise, spin it to the next day.
# ----------------------------------------------------------------
itcl::body iwidgets::Spindate::_spinDay {direction} {
set month [$itk_component(month) get]
set day [$itk_component(day) get]
set year [$itk_component(year) get]
set lastday [_lastDay $month $year]
set currclicks [get -clicks]
$itk_component(day) delete 0 end
if {(($day == "01") || ($day == "1")) && ($direction == -1)} {
$itk_component(day) insert 0 $lastday
return
}
if {($day == $lastday) && ($direction == 1)} {
$itk_component(day) insert 0 "01"
return
}
set clicks [clock scan "$direction day" -base $currclicks]
$itk_component(day) insert 0 [clock format $clicks -format "%d"]
}
# ------------------------------------------------------------------
# PRIVATE METHOD: _packDate when
#
# Pack the components of the date spinner. If "when" is "now", the
# change is applied immediately. If it is "later" or it is not
# specified, then the change is applied later, when the application
# is idle.
# ------------------------------------------------------------------
itcl::body iwidgets::Spindate::_packDate {{when later}} {
if {$when == "later"} {
if {$_repack == ""} {
set _repack [after idle [itcl::code $this _packDate now]]
}
return
} elseif {$when != "now"} {
error "bad option \"$when\": should be now or later"
}
#
# Turn off the minsizes for all the rows and columns.
#
for {set i 0} {$i < 5} {incr i} {
grid rowconfigure $_interior $i -minsize 0
grid columnconfigure $_interior $i -minsize 0
}
set _repack ""
#
# Based on the orientation, use the grid to place the components into
# the proper rows and columns.
#
switch $itk_option(-orient) {
vertical {
set row -1
if {$itk_option(-monthon)} {
grid $itk_component(month) -row [incr row] -column 0 \
-sticky nsew
} else {
grid forget $itk_component(month)
}
if {$itk_option(-dayon)} {
if {$itk_option(-dayon)} {
grid rowconfigure $_interior [incr row] \
-minsize $itk_option(-datemargin)
}
grid $itk_component(day) -row [incr row] -column 0 \
-sticky nsew
} else {
grid forget $itk_component(day)
}
if {$itk_option(-yearon)} {
if {$itk_option(-monthon) || $itk_option(-dayon)} {
grid rowconfigure $_interior [incr row] \
-minsize $itk_option(-datemargin)
}
grid $itk_component(year) -row [incr row] -column 0 \
-sticky nsew
} else {
grid forget $itk_component(year)
}
if {$itk_option(-labelpos) == "w"} {
iwidgets::Labeledwidget::alignlabels $itk_component(month) \
$itk_component(day) $itk_component(year)
}
}
horizontal {
set column -1
if {$itk_option(-monthon)} {
grid $itk_component(month) -row 0 -column [incr column] \
-sticky nsew
} else {
grid forget $itk_component(month)
}
if {$itk_option(-dayon)} {
if {$itk_option(-monthon)} {
grid columnconfigure $_interior [incr column] \
-minsize $itk_option(-datemargin)
}
grid $itk_component(day) -row 0 -column [incr column] \
-sticky nsew
} else {
grid forget $itk_component(day)
}
if {$itk_option(-yearon)} {
if {$itk_option(-monthon) || $itk_option(-dayon)} {
grid columnconfigure $_interior [incr column] \
-minsize $itk_option(-datemargin)
}
grid $itk_component(year) -row 0 -column [incr column] \
-sticky nsew
} else {
grid forget $itk_component(year)
}
#
# Un-align labels.
#
$itk_component(month) configure -labelmargin 1
$itk_component(day) configure -labelmargin 1
$itk_component(year) configure -labelmargin 1
}
default {
error "bad orient option \"$itk_option(-orient)\", should\
be \"vertical\" or \"horizontal\""
}
}
}
# ------------------------------------------------------------------
# PRIVATE METHOD: _lastDay month year
#
# Internal method which determines the last day of the month for
# the given month and year. We start at 28 and go forward till
# we fail. Crude but effective.
# ------------------------------------------------------------------
itcl::body iwidgets::Spindate::_lastDay {month year} {
set lastone 28
for {set lastone 28} {$lastone < 32} {incr lastone} {
if {[regexp {[0-9]+} $month]} {
if {[catch {clock scan "$month/[expr {$lastone + 1}]/$year"}] != 0} {
return $lastone
}
} else {
if {[catch {clock scan "[expr {$lastone + 1}] $month $year"}] != 0} {
return $lastone
}
}
}
}
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