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# Spintime
# ----------------------------------------------------------------------
# Implements a Time spinner widget. A time spinner contains three
# integer spinners: one for hours, one for minutes and one for
# seconds. 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: spintime.itk,v 1.3 2001/08/17 19:04:45 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 *Spintime.hourLabel "Hour" widgetDefault
option add *Spintime.minuteLabel "Minute" widgetDefault
option add *Spintime.secondLabel "Second" widgetDefault
option add *Spintime.hourWidth 3 widgetDefault
option add *Spintime.minuteWidth 3 widgetDefault
option add *Spintime.secondWidth 3 widgetDefault
#
# Usual options.
#
itk::usual Spintime {
keep -background -cursor -foreground -labelfont -textbackground -textfont
}
# ------------------------------------------------------------------
# SPINTIME
# ------------------------------------------------------------------
itcl::class iwidgets::Spintime {
inherit itk::Widget
constructor {args} {}
destructor {}
itk_option define -orient orient Orient vertical
itk_option define -labelpos labelPos Position w
itk_option define -houron hourOn HourOn true
itk_option define -minuteon minuteOn MinuteOn true
itk_option define -secondon secondOn SecondOn true
itk_option define -timemargin timeMargin Margin 1
itk_option define -militaryon militaryOn MilitaryOn true
public {
method get {{format "-string"}}
method show {{date now}}
}
protected {
method _packTime {{when later}}
method _down60 {comp}
variable _repack {} ;# Reconfiguration flag.
variable _interior
}
}
#
# Provide a lowercased access method for the Spintime class.
#
proc ::iwidgets::spintime {pathName args} {
uplevel ::iwidgets::Spintime $pathName $args
}
# ------------------------------------------------------------------
# CONSTRUCTOR
# ------------------------------------------------------------------
itcl::body iwidgets::Spintime::constructor {args} {
set _interior $itk_interior
set clicks [clock seconds]
#
# Create Hour Spinner
#
itk_component add hour {
iwidgets::Spinint $itk_interior.hour -fixed 2 -range {0 23} -justify right
} {
keep -background -cursor -arroworient -foreground \
-labelfont -labelmargin -relief -textbackground \
-textfont -repeatdelay -repeatinterval
rename -labeltext -hourlabel hourLabel Text
rename -width -hourwidth hourWidth Width
}
#
# Take off the default bindings for selction and motion.
#
bind [$itk_component(hour) component entry] <1> {break}
bind [$itk_component(hour) component entry] <Button1-Motion> {break}
#
# Create Minute Spinner
#
itk_component add minute {
iwidgets::Spinint $itk_interior.minute \
-decrement [itcl::code $this _down60 minute] \
-fixed 2 -range {0 59} -justify right
} {
keep -background -cursor -arroworient -foreground \
-labelfont -labelmargin -relief -textbackground \
-textfont -repeatdelay -repeatinterval
rename -labeltext -minutelabel minuteLabel Text
rename -width -minutewidth minuteWidth Width
}
#
# Take off the default bindings for selction and motion.
#
bind [$itk_component(minute) component entry] <1> {break}
bind [$itk_component(minute) component entry] <Button1-Motion> {break}
#
# Create Second Spinner
#
itk_component add second {
iwidgets::Spinint $itk_interior.second \
-decrement [itcl::code $this _down60 second] \
-fixed 2 -range {0 59} -justify right
} {
keep -background -cursor -arroworient -foreground \
-labelfont -labelmargin -relief -textbackground \
-textfont -repeatdelay -repeatinterval
rename -labeltext -secondlabel secondLabel Text
rename -width -secondwidth secondWidth Width
}
#
# Take off the default bindings for selction and motion.
#
bind [$itk_component(second) component entry] <1> {break}
bind [$itk_component(second) component entry] <Button1-Motion> {break}
#
# Initialize the widget based on the command line options.
#
eval itk_initialize $args
#
# Show the current time.
#
show now
}
# ------------------------------------------------------------------
# DESTRUCTOR
# ------------------------------------------------------------------
itcl::body iwidgets::Spintime::destructor {} {
if {$_repack != ""} {after cancel $_repack}
}
# ------------------------------------------------------------------
# OPTIONS
# ------------------------------------------------------------------
# ------------------------------------------------------------------
# OPTION: -orient
#
# Specifies the orientation of the 3 spinners for Hour, Minute
# and second.
# ------------------------------------------------------------------
itcl::configbody iwidgets::Spintime::orient {
_packTime
}
# ------------------------------------------------------------------
# OPTION: -labelpos
#
# Specifies the location of all 3 spinners' labels.
# Overloaded
# ------------------------------------------------------------------
itcl::configbody iwidgets::Spintime::labelpos {
switch $itk_option(-labelpos) {
n {
$itk_component(hour) configure -labelpos n
$itk_component(minute) configure -labelpos n
$itk_component(second) configure -labelpos n
#
# Un-align labels
#
$itk_component(hour) configure -labelmargin 1
$itk_component(minute) configure -labelmargin 1
$itk_component(second) configure -labelmargin 1
}
s {
$itk_component(hour) configure -labelpos s
$itk_component(minute) configure -labelpos s
$itk_component(second) configure -labelpos s
#
# Un-align labels
#
$itk_component(hour) configure -labelmargin 1
$itk_component(minute) configure -labelmargin 1
$itk_component(second) configure -labelmargin 1
}
w {
$itk_component(hour) configure -labelpos w
$itk_component(minute) configure -labelpos w
$itk_component(second) configure -labelpos w
}
e {
$itk_component(hour) configure -labelpos e
$itk_component(minute) configure -labelpos e
$itk_component(second) configure -labelpos e
#
# Un-align labels
#
$itk_component(hour) configure -labelmargin 1
$itk_component(minute) configure -labelmargin 1
$itk_component(second) configure -labelmargin 1
}
default {
error "bad labelpos option \"$itk_option(-labelpos)\",\
should be n, s, w or e"
}
}
_packTime
}
# ------------------------------------------------------------------
# OPTION: -houron
#
# Specifies whether or not to display the hour spinner.
# ------------------------------------------------------------------
itcl::configbody iwidgets::Spintime::houron {
_packTime
}
# ------------------------------------------------------------------
# OPTION: -minuteon
#
# Specifies whether or not to display the minute spinner.
# ------------------------------------------------------------------
itcl::configbody iwidgets::Spintime::minuteon {
_packTime
}
# ------------------------------------------------------------------
# OPTION: -secondon
#
# Specifies whether or not to display the second spinner.
# ------------------------------------------------------------------
itcl::configbody iwidgets::Spintime::secondon {
_packTime
}
# ------------------------------------------------------------------
# OPTION: -timemargin
#
# Specifies the margin space between the hour and minute spinners
# and the minute and second spinners.
# ------------------------------------------------------------------
itcl::configbody iwidgets::Spintime::timemargin {
_packTime
}
# ------------------------------------------------------------------
# OPTION: -militaryon
#
# Specifies 24-hour clock or 12-hour.
# ------------------------------------------------------------------
itcl::configbody iwidgets::Spintime::militaryon {
set clicks [clock seconds]
if {$itk_option(-militaryon)} {
$itk_component(hour) configure -range {0 23}
$itk_component(hour) delete 0 end
$itk_component(hour) insert end [clock format $clicks -format "%H"]
} else {
$itk_component(hour) configure -range {1 12}
$itk_component(hour) delete 0 end
$itk_component(hour) insert end [clock format $clicks -format "%I"]
}
}
# ------------------------------------------------------------------
# METHODS
# ------------------------------------------------------------------
# ------------------------------------------------------------------
# METHOD: get ?format?
#
# Get the value of the time spinner in one of two formats string or
# as an integer clock value using the -string and -clicks options
# respectively. The default is by string. Reference the clock
# command for more information on obtaining time and its formats.
# ------------------------------------------------------------------
itcl::body iwidgets::Spintime::get {{format "-string"}} {
set hour [$itk_component(hour) get]
set minute [$itk_component(minute) get]
set second [$itk_component(second) get]
switch -- $format {
"-string" {
return "$hour:$minute:$second"
}
"-clicks" {
return [clock scan "$hour:$minute:$second"]
}
default {
error "bad format option \"$format\":\
should be -string or -clicks"
}
}
}
# ------------------------------------------------------------------
# PUBLIC METHOD: show time
#
# Changes the currently displayed time to be that of the time
# argument. The time may be specified either as a string or an
# integer clock value. Reference the clock command for more
# information on obtaining time and its format.
# ------------------------------------------------------------------
itcl::body iwidgets::Spintime::show {{time "now"}} {
if {$time == "now"} {
set seconds [clock seconds]
} else {
if {[catch {clock format $time}] == 0} {
set seconds $time
} elseif {[catch {set seconds [clock scan $time]}] != 0} {
error "bad time: \"$time\", must be a valid time\
string, clock clicks value or the keyword now"
}
}
$itk_component(hour) delete 0 end
if {$itk_option(-militaryon)} {
scan [clock format $seconds -format "%H"] "%d" hour
} else {
scan hour [clock format $seconds -format "%I"] "%d" hour
}
$itk_component(hour) insert end $hour
$itk_component(minute) delete 0 end
scan [clock format $seconds -format "%M"] "%d" minute
$itk_component(minute) insert end $minute
$itk_component(second) delete 0 end
scan [clock format $seconds -format "%S"] "%d" seconds
$itk_component(second) insert end $seconds
return
}
# ------------------------------------------------------------------
# PROTECTED METHOD: _packTime ?when?
#
# Pack components of time spinner. If "when" is "now", the change
# is applied immediately. If it is "later" or it is not specified,
# then the change is applied later, when the application is idle.
# ------------------------------------------------------------------
itcl::body iwidgets::Spintime::_packTime {{when later}} {
if {$when == "later"} {
if {$_repack == ""} {
set _repack [after idle [itcl::code $this _packTime now]]
}
return
} elseif {$when != "now"} {
error "bad option \"$when\": should be now or later"
}
for {set i 0} {$i < 5} {incr i} {
grid rowconfigure $_interior $i -minsize 0
grid columnconfigure $_interior $i -minsize 0
}
if {$itk_option(-minuteon)} {
set minuteon 1
} else {
set minuteon 0
}
if {$itk_option(-secondon)} {
set secondon 1
} else {
set secondon 0
}
set _repack ""
switch $itk_option(-orient) {
vertical {
set row -1
if {$itk_option(-houron)} {
grid $itk_component(hour) -row [incr row] -column 0 \
-sticky nsew
} else {
grid forget $itk_component(hour)
}
if {$itk_option(-minuteon)} {
if {$itk_option(-houron)} {
grid rowconfigure $_interior [incr row] \
-minsize $itk_option(-timemargin)
}
grid $itk_component(minute) -row [incr row] -column 0 \
-sticky nsew
} else {
grid forget $itk_component(minute)
}
if {$itk_option(-secondon)} {
if {$minuteon || $secondon} {
grid rowconfigure $_interior [incr row] \
-minsize $itk_option(-timemargin)
}
grid $itk_component(second) -row [incr row] -column 0 \
-sticky nsew
} else {
grid forget $itk_component(second)
}
if {$itk_option(-labelpos) == "w"} {
iwidgets::Labeledwidget::alignlabels $itk_component(hour) \
$itk_component(minute) $itk_component(second)
}
}
horizontal {
set column -1
if {$itk_option(-houron)} {
grid $itk_component(hour) -row 0 -column [incr column] \
-sticky nsew
} else {
grid forget $itk_component(hour)
}
if {$itk_option(-minuteon)} {
if {$itk_option(-houron)} {
grid columnconfigure $_interior [incr column] \
-minsize $itk_option(-timemargin)
}
grid $itk_component(minute) -row 0 -column [incr column] \
-sticky nsew
} else {
grid forget $itk_component(minute)
}
if {$itk_option(-secondon)} {
if {$minuteon || $secondon} {
grid columnconfigure $_interior [incr column] \
-minsize $itk_option(-timemargin)
}
grid $itk_component(second) -row 0 -column [incr column] \
-sticky nsew
} else {
grid forget $itk_component(second)
}
#
# Un-align labels
#
$itk_component(hour) configure -labelmargin 1
$itk_component(minute) configure -labelmargin 1
$itk_component(second) configure -labelmargin 1
}
default {
error "bad orient option \"$itk_option(-orient)\", should\
be \"vertical\" or \"horizontal\""
}
}
}
# ------------------------------------------------------------------
# METHOD: down60
#
# Down arrow button press event. Decrement value in the minute
# or second entry.
# ------------------------------------------------------------------
itcl::body iwidgets::Spintime::_down60 {comp} {
set step [$itk_component($comp) cget -step]
set val [$itk_component($comp) get]
incr val -$step
if {$val < 0} {
set val [expr {60-$step}]
}
$itk_component($comp) delete 0 end
$itk_component($comp) insert 0 $val
}