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399 lines
14 KiB
Plaintext
399 lines
14 KiB
Plaintext
15 years ago
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#
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# Timeentry
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# ----------------------------------------------------------------------
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# Implements a quicken style time entry field with a popup clock
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# by combining the timefield and watch widgets together. This
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# allows a user to enter the time via the keyboard or by using the
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# mouse by selecting the watch icon which brings up a popup clock.
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# ----------------------------------------------------------------------
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# AUTHOR: Mark L. Ulferts E-mail: mulferts@austin.dsccc.com
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#
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# @(#) $Id: timeentry.itk,v 1.4 2001/08/17 19:05:08 smithc Exp $
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# ----------------------------------------------------------------------
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# Copyright (c) 1997 DSC Technologies Corporation
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# ======================================================================
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# Permission to use, copy, modify, distribute and license this software
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# and its documentation for any purpose, and without fee or written
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# agreement with DSC, is hereby granted, provided that the above copyright
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# notice appears in all copies and that both the copyright notice and
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# warranty disclaimer below appear in supporting documentation, and that
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# the names of DSC Technologies Corporation or DSC Communications
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# Corporation not be used in advertising or publicity pertaining to the
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# software without specific, written prior permission.
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#
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# DSC DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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# ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, AND NON-
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# INFRINGEMENT. THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, AND THE
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# AUTHORS AND DISTRIBUTORS HAVE NO OBLIGATION TO PROVIDE MAINTENANCE,
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# SUPPORT, UPTIMES, ENHANCEMENTS, OR MODIFICATIONS. IN NO EVENT SHALL
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# DSC BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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# ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTUOUS ACTION,
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# ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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# SOFTWARE.
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# ======================================================================
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#
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# Usual options.
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#
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itk::usual Timeentry {
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keep -background -borderwidth -cursor -foreground -highlightcolor \
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-highlightthickness -labelfont -textbackground -textfont
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}
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# ------------------------------------------------------------------
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# TIMEENTRY
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# ------------------------------------------------------------------
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itcl::class iwidgets::Timeentry {
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inherit iwidgets::Timefield
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constructor {args} {}
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itk_option define -grab grab Grab "global"
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itk_option define -icon icon Icon {}
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itk_option define -state state State normal
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itk_option define -closetext closeText Text Close
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#
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# The watch widget isn't created until needed, yet we need
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# its options to be available upon creation of a timeentry widget.
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# So, we'll define them in these class now so they can just be
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# propagated onto the watch later.
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#
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itk_option define -hourradius hourRadius Radius .50
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itk_option define -hourcolor hourColor Color red
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itk_option define -minuteradius minuteRadius Radius .80
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itk_option define -minutecolor minuteColor Color yellow
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itk_option define -pivotradius pivotRadius Radius .10
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itk_option define -pivotcolor pivotColor Color white
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itk_option define -secondradius secondRadius Radius .90
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itk_option define -secondcolor secondColor Color black
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itk_option define -clockcolor clockColor Color white
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itk_option define -clockstipple clockStipple ClockStipple {}
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itk_option define -tickcolor tickColor Color black
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itk_option define -watchheight watchHeight Height 175
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itk_option define -watchwidth watchWidth Width 155
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protected {
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method _getPopupTime {}
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method _releaseGrab {}
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method _popup {}
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method _getDefaultIcon {}
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common _defaultIcon ""
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}
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}
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#
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# Provide a lowercased access method for the timeentry class.
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#
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proc ::iwidgets::timeentry {pathName args} {
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uplevel ::iwidgets::Timeentry $pathName $args
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}
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#
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# Use option database to override default resources of base classes.
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#
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option add *Timeentry.watchWidth 155 widgetDefault
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option add *Timeentry.watchHeight 175 widgetDefault
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# ------------------------------------------------------------------
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# CONSTRUCTOR
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# ------------------------------------------------------------------
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itcl::body iwidgets::Timeentry::constructor {args} {
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#
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# Create an icon label to act as a button to bring up the
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# watch popup.
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#
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itk_component add iconbutton {
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label $itk_interior.iconbutton -relief raised
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} {
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keep -borderwidth -cursor -foreground
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}
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grid $itk_component(iconbutton) -row 0 -column 0 -sticky ns
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#
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# Initialize the widget based on the command line options.
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#
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eval itk_initialize $args
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}
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# ------------------------------------------------------------------
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# OPTIONS
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# ------------------------------------------------------------------
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# ------------------------------------------------------------------
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# OPTION: -icon
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#
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# Specifies the clock icon image to be used in the time entry.
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# Should one not be provided, then a default pixmap will be used
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# if possible, bitmap otherwise.
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# ------------------------------------------------------------------
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itcl::configbody iwidgets::Timeentry::icon {
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if {$itk_option(-icon) == {}} {
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$itk_component(iconbutton) configure -image [_getDefaultIcon]
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} else {
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if {[lsearch [image names] $itk_option(-icon)] == -1} {
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error "bad icon option \"$itk_option(-icon)\":\
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should be an existing image"
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} else {
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$itk_component(iconbutton) configure -image $itk_option(-icon)
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}
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}
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}
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# ------------------------------------------------------------------
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# OPTION: -grab
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#
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# Specifies the grab level, local or global, to be obtained when
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# bringing up the popup watch. The default is global.
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# ------------------------------------------------------------------
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itcl::configbody iwidgets::Timeentry::grab {
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switch -- $itk_option(-grab) {
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"local" - "global" {}
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default {
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error "bad grab option \"$itk_option(-grab)\":\
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should be local or global"
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}
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}
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}
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# ------------------------------------------------------------------
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# OPTION: -state
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#
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# Specifies the state of the widget which may be disabled or
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# normal. A disabled state prevents selection of the time field
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# or time icon button.
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# ------------------------------------------------------------------
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itcl::configbody iwidgets::Timeentry::state {
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switch -- $itk_option(-state) {
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normal {
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bind $itk_component(iconbutton) <Button-1> [itcl::code $this _popup]
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}
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disabled {
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bind $itk_component(iconbutton) <Button-1> {}
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}
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}
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}
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# ------------------------------------------------------------------
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# METHODS
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# ------------------------------------------------------------------
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# ------------------------------------------------------------------
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# PROTECTED METHOD: _getDefaultIcon
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#
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# This method is invoked uto retrieve the name of the default icon
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# image displayed in the icon button.
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# ------------------------------------------------------------------
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itcl::body iwidgets::Timeentry::_getDefaultIcon {} {
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if {[lsearch [image types] pixmap] != -1} {
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set _defaultIcon [image create pixmap -data {
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/* XPM */
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static char *watch1a[] = {
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/* width height num_colors chars_per_pixel */
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" 20 20 8 1",
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/* colors */
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". c #000000",
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"# c #000099",
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"a c #009999",
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"b c #999999",
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"c c #cccccc",
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"d c #ffff00",
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"e c #d9d9d9",
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"f c #ffffff",
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/* pixels */
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"eeeeebbbcccccbbbeeee",
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"eeeee...#####..beeee",
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"eeeee#aacccccaabeeee",
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"eeee#accccccccc##eee",
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"eee#ccc#cc#ccdcff#ee",
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"ee#accccccccccfcca#e",
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"eeaccccccc.cccfcccae",
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"eeac#cccfc.cccc##cae",
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"e#cccccffc.cccccccc#",
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"e#ccccfffc.cccccccc#",
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"e#cc#ffcc......c#cc#",
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"e#ccfffccc.cccccccc#",
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"e#cffccfcc.cccccccc#",
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"eeafdccfcccccccd#cae",
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"eeafcffcccccccccccae",
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"eee#fcc#cccccdccc#ee",
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"eee#fcc#cc#cc#ccc#ee",
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"eeee#accccccccc##eee",
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"eeeee#aacccccaabeeee",
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"eeeee...#####..beeee"
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};
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}]
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} else {
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set _defaultIcon [image create bitmap -data {
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#define watch1a_width 20
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#define watch1a_height 20
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static char watch1a_bits[] = {
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0x40,0x40,0xf0,0xe0,0x7f,0xf0,0xe0,0xe0,0xf0,0x30,
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0x80,0xf1,0x88,0x04,0xf2,0x0c,0x00,0xf6,0x04,0x04,
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0xf4,0x94,0x84,0xf5,0x02,0x06,0xf8,0x02,0x0c,0xf8,
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0x12,0x7e,0xf9,0x02,0x04,0xf8,0x02,0x24,0xf8,0x04,
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0x00,0xf5,0x04,0x00,0xf4,0x88,0x02,0xf2,0x88,0x64,
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0xf2,0x30,0x80,0xf1,0xe0,0x60,0xf0,0xe0,0xff,0xf0};
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}]
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}
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#
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# Since this image will only need to be created once, we redefine
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# this method to just return the image name for subsequent calls.
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#
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itcl::body ::iwidgets::Timeentry::_getDefaultIcon {} {
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return $_defaultIcon
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}
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return $_defaultIcon
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}
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# ------------------------------------------------------------------
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# PROTECTED METHOD: _popup
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#
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# This method is invoked upon selection of the icon button. It
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# creates a watch widget within a toplevel popup, calculates
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# the position at which to display the watch, performs a grab
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# and displays the watch.
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# ------------------------------------------------------------------
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itcl::body iwidgets::Timeentry::_popup {} {
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#
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# First, let's nullify the icon binding so that any another
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# selections are ignored until were done with this one. Next,
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# change the relief of the icon.
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#
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bind $itk_component(iconbutton) <Button-1> {}
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$itk_component(iconbutton) configure -relief sunken
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#
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# Create a withdrawn toplevel widget and remove the window
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# decoration via override redirect.
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#
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itk_component add -private popup {
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toplevel $itk_interior.popup
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}
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$itk_component(popup) configure -borderwidth 2 -background black
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wm withdraw $itk_component(popup)
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wm overrideredirect $itk_component(popup) 1
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#
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# Add a binding to for Escape to always release the grab.
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#
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bind $itk_component(popup) <KeyPress-Escape> [itcl::code $this _releaseGrab]
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#
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# Create the watch widget.
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#
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itk_component add watch {
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iwidgets::Watch $itk_component(popup).watch
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} {
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usual
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rename -width -watchwidth watchWidth Width
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rename -height -watchheight watchHeight Height
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keep -hourradius -minuteradius -minutecolor -pivotradius -pivotcolor \
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-secondradius -secondcolor -clockcolor -clockstipple -tickcolor
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}
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grid $itk_component(watch) -row 0 -column 0
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$itk_component(watch) configure -cursor top_left_arrow
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#
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# Create a button widget so the user can say they are done.
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#
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itk_component add close {
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button $itk_component(popup).close -command [itcl::code $this _getPopupTime]
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} {
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usual
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rename -text -closetext closeText Text
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}
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grid $itk_component(close) -row 1 -column 0 -sticky ew
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$itk_component(close) configure -cursor top_left_arrow
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#
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# The icon button will be used as the basis for the position of the
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# popup on the screen. We'll always attempt to locate the popup
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# off the lower right corner of the button. If that would put
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# the popup off the screen, then we'll put above the upper left.
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#
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set rootx [winfo rootx $itk_component(iconbutton)]
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set rooty [winfo rooty $itk_component(iconbutton)]
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set popupwidth [cget -watchwidth]
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set popupheight [expr {[cget -watchheight] + \
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[winfo reqheight $itk_component(close)]}]
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set popupx [expr {$rootx + 3 + \
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[winfo width $itk_component(iconbutton)]}]
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set popupy [expr {$rooty + 3 + \
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[winfo height $itk_component(iconbutton)]}]
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if {(($popupx + $popupwidth) > [winfo screenwidth .]) || \
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(($popupy + $popupheight) > [winfo screenheight .])} {
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set popupx [expr {$rootx - 3 - $popupwidth}]
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set popupy [expr {$rooty - 3 - $popupheight}]
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}
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#
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# Get the current time from the timefield widget and both
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# show and select it on the watch.
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#
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$itk_component(watch) show [get]
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#
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# Display the popup at the calculated position.
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#
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wm geometry $itk_component(popup) +$popupx+$popupy
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wm deiconify $itk_component(popup)
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tkwait visibility $itk_component(popup)
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#
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# Perform either a local or global grab based on the -grab option.
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#
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if {$itk_option(-grab) == "local"} {
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grab $itk_component(popup)
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} else {
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grab -global $itk_component(popup)
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}
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#
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# Make sure the widget is above all others and give it focus.
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||
|
|
#
|
||
|
|
raise $itk_component(popup)
|
||
|
|
focus $itk_component(watch)
|
||
|
|
}
|
||
|
|
|
||
|
|
# ------------------------------------------------------------------
|
||
|
|
# PROTECTED METHOD: _popupGetTime
|
||
|
|
#
|
||
|
|
# This method is the callback for selection of a time on the
|
||
|
|
# watch. It releases the grab and sets the time in the
|
||
|
|
# timefield widget.
|
||
|
|
# ------------------------------------------------------------------
|
||
|
|
itcl::body iwidgets::Timeentry::_getPopupTime {} {
|
||
|
|
show [$itk_component(watch) get -clicks]
|
||
|
|
_releaseGrab
|
||
|
|
}
|
||
|
|
|
||
|
|
# ------------------------------------------------------------------
|
||
|
|
# PROTECTED METHOD: _releaseGrab
|
||
|
|
#
|
||
|
|
# This method releases the grab, destroys the popup, changes the
|
||
|
|
# relief of the button back to raised and reapplies the binding
|
||
|
|
# to the icon button that engages the popup action.
|
||
|
|
# ------------------------------------------------------------------
|
||
|
|
itcl::body iwidgets::Timeentry::_releaseGrab {} {
|
||
|
|
grab release $itk_component(popup)
|
||
|
|
$itk_component(iconbutton) configure -relief raised
|
||
|
|
destroy $itk_component(popup)
|
||
|
|
bind $itk_component(iconbutton) <Button-1> [itcl::code $this _popup]
|
||
|
|
}
|