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#
# Timeentry
# ----------------------------------------------------------------------
# Implements a quicken style time entry field with a popup clock
# by combining the timefield and watch widgets together. This
# allows a user to enter the time via the keyboard or by using the
# mouse by selecting the watch icon which brings up a popup clock.
# ----------------------------------------------------------------------
# AUTHOR: Mark L. Ulferts E-mail: mulferts@austin.dsccc.com
#
# @(#) $Id: timeentry.itk,v 1.4 2001/08/17 19:05:08 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, UPTIMES, 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.
# ======================================================================
#
# Usual options.
#
itk::usual Timeentry {
keep -background -borderwidth -cursor -foreground -highlightcolor \
-highlightthickness -labelfont -textbackground -textfont
}
# ------------------------------------------------------------------
# TIMEENTRY
# ------------------------------------------------------------------
itcl::class iwidgets::Timeentry {
inherit iwidgets::Timefield
constructor {args} {}
itk_option define -grab grab Grab "global"
itk_option define -icon icon Icon {}
itk_option define -state state State normal
itk_option define -closetext closeText Text Close
#
# The watch widget isn't created until needed, yet we need
# its options to be available upon creation of a timeentry widget.
# So, we'll define them in these class now so they can just be
# propagated onto the watch later.
#
itk_option define -hourradius hourRadius Radius .50
itk_option define -hourcolor hourColor Color red
itk_option define -minuteradius minuteRadius Radius .80
itk_option define -minutecolor minuteColor Color yellow
itk_option define -pivotradius pivotRadius Radius .10
itk_option define -pivotcolor pivotColor Color white
itk_option define -secondradius secondRadius Radius .90
itk_option define -secondcolor secondColor Color black
itk_option define -clockcolor clockColor Color white
itk_option define -clockstipple clockStipple ClockStipple {}
itk_option define -tickcolor tickColor Color black
itk_option define -watchheight watchHeight Height 175
itk_option define -watchwidth watchWidth Width 155
protected {
method _getPopupTime {}
method _releaseGrab {}
method _popup {}
method _getDefaultIcon {}
common _defaultIcon ""
}
}
#
# Provide a lowercased access method for the timeentry class.
#
proc ::iwidgets::timeentry {pathName args} {
uplevel ::iwidgets::Timeentry $pathName $args
}
#
# Use option database to override default resources of base classes.
#
option add *Timeentry.watchWidth 155 widgetDefault
option add *Timeentry.watchHeight 175 widgetDefault
# ------------------------------------------------------------------
# CONSTRUCTOR
# ------------------------------------------------------------------
itcl::body iwidgets::Timeentry::constructor {args} {
#
# Create an icon label to act as a button to bring up the
# watch popup.
#
itk_component add iconbutton {
label $itk_interior.iconbutton -relief raised
} {
keep -borderwidth -cursor -foreground
}
grid $itk_component(iconbutton) -row 0 -column 0 -sticky ns
#
# Initialize the widget based on the command line options.
#
eval itk_initialize $args
}
# ------------------------------------------------------------------
# OPTIONS
# ------------------------------------------------------------------
# ------------------------------------------------------------------
# OPTION: -icon
#
# Specifies the clock icon image to be used in the time entry.
# Should one not be provided, then a default pixmap will be used
# if possible, bitmap otherwise.
# ------------------------------------------------------------------
itcl::configbody iwidgets::Timeentry::icon {
if {$itk_option(-icon) == {}} {
$itk_component(iconbutton) configure -image [_getDefaultIcon]
} else {
if {[lsearch [image names] $itk_option(-icon)] == -1} {
error "bad icon option \"$itk_option(-icon)\":\
should be an existing image"
} else {
$itk_component(iconbutton) configure -image $itk_option(-icon)
}
}
}
# ------------------------------------------------------------------
# OPTION: -grab
#
# Specifies the grab level, local or global, to be obtained when
# bringing up the popup watch. The default is global.
# ------------------------------------------------------------------
itcl::configbody iwidgets::Timeentry::grab {
switch -- $itk_option(-grab) {
"local" - "global" {}
default {
error "bad grab option \"$itk_option(-grab)\":\
should be local or global"
}
}
}
# ------------------------------------------------------------------
# OPTION: -state
#
# Specifies the state of the widget which may be disabled or
# normal. A disabled state prevents selection of the time field
# or time icon button.
# ------------------------------------------------------------------
itcl::configbody iwidgets::Timeentry::state {
switch -- $itk_option(-state) {
normal {
bind $itk_component(iconbutton) <Button-1> [itcl::code $this _popup]
}
disabled {
bind $itk_component(iconbutton) <Button-1> {}
}
}
}
# ------------------------------------------------------------------
# METHODS
# ------------------------------------------------------------------
# ------------------------------------------------------------------
# PROTECTED METHOD: _getDefaultIcon
#
# This method is invoked uto retrieve the name of the default icon
# image displayed in the icon button.
# ------------------------------------------------------------------
itcl::body iwidgets::Timeentry::_getDefaultIcon {} {
if {[lsearch [image types] pixmap] != -1} {
set _defaultIcon [image create pixmap -data {
/* XPM */
static char *watch1a[] = {
/* width height num_colors chars_per_pixel */
" 20 20 8 1",
/* colors */
". c #000000",
"# c #000099",
"a c #009999",
"b c #999999",
"c c #cccccc",
"d c #ffff00",
"e c #d9d9d9",
"f c #ffffff",
/* pixels */
"eeeeebbbcccccbbbeeee",
"eeeee...#####..beeee",
"eeeee#aacccccaabeeee",
"eeee#accccccccc##eee",
"eee#ccc#cc#ccdcff#ee",
"ee#accccccccccfcca#e",
"eeaccccccc.cccfcccae",
"eeac#cccfc.cccc##cae",
"e#cccccffc.cccccccc#",
"e#ccccfffc.cccccccc#",
"e#cc#ffcc......c#cc#",
"e#ccfffccc.cccccccc#",
"e#cffccfcc.cccccccc#",
"eeafdccfcccccccd#cae",
"eeafcffcccccccccccae",
"eee#fcc#cccccdccc#ee",
"eee#fcc#cc#cc#ccc#ee",
"eeee#accccccccc##eee",
"eeeee#aacccccaabeeee",
"eeeee...#####..beeee"
};
}]
} else {
set _defaultIcon [image create bitmap -data {
#define watch1a_width 20
#define watch1a_height 20
static char watch1a_bits[] = {
0x40,0x40,0xf0,0xe0,0x7f,0xf0,0xe0,0xe0,0xf0,0x30,
0x80,0xf1,0x88,0x04,0xf2,0x0c,0x00,0xf6,0x04,0x04,
0xf4,0x94,0x84,0xf5,0x02,0x06,0xf8,0x02,0x0c,0xf8,
0x12,0x7e,0xf9,0x02,0x04,0xf8,0x02,0x24,0xf8,0x04,
0x00,0xf5,0x04,0x00,0xf4,0x88,0x02,0xf2,0x88,0x64,
0xf2,0x30,0x80,0xf1,0xe0,0x60,0xf0,0xe0,0xff,0xf0};
}]
}
#
# Since this image will only need to be created once, we redefine
# this method to just return the image name for subsequent calls.
#
itcl::body ::iwidgets::Timeentry::_getDefaultIcon {} {
return $_defaultIcon
}
return $_defaultIcon
}
# ------------------------------------------------------------------
# PROTECTED METHOD: _popup
#
# This method is invoked upon selection of the icon button. It
# creates a watch widget within a toplevel popup, calculates
# the position at which to display the watch, performs a grab
# and displays the watch.
# ------------------------------------------------------------------
itcl::body iwidgets::Timeentry::_popup {} {
#
# First, let's nullify the icon binding so that any another
# selections are ignored until were done with this one. Next,
# change the relief of the icon.
#
bind $itk_component(iconbutton) <Button-1> {}
$itk_component(iconbutton) configure -relief sunken
#
# Create a withdrawn toplevel widget and remove the window
# decoration via override redirect.
#
itk_component add -private popup {
toplevel $itk_interior.popup
}
$itk_component(popup) configure -borderwidth 2 -background black
wm withdraw $itk_component(popup)
wm overrideredirect $itk_component(popup) 1
#
# Add a binding to for Escape to always release the grab.
#
bind $itk_component(popup) <KeyPress-Escape> [itcl::code $this _releaseGrab]
#
# Create the watch widget.
#
itk_component add watch {
iwidgets::Watch $itk_component(popup).watch
} {
usual
rename -width -watchwidth watchWidth Width
rename -height -watchheight watchHeight Height
keep -hourradius -minuteradius -minutecolor -pivotradius -pivotcolor \
-secondradius -secondcolor -clockcolor -clockstipple -tickcolor
}
grid $itk_component(watch) -row 0 -column 0
$itk_component(watch) configure -cursor top_left_arrow
#
# Create a button widget so the user can say they are done.
#
itk_component add close {
button $itk_component(popup).close -command [itcl::code $this _getPopupTime]
} {
usual
rename -text -closetext closeText Text
}
grid $itk_component(close) -row 1 -column 0 -sticky ew
$itk_component(close) configure -cursor top_left_arrow
#
# The icon button will be used as the basis for the position of the
# popup on the screen. We'll always attempt to locate the popup
# off the lower right corner of the button. If that would put
# the popup off the screen, then we'll put above the upper left.
#
set rootx [winfo rootx $itk_component(iconbutton)]
set rooty [winfo rooty $itk_component(iconbutton)]
set popupwidth [cget -watchwidth]
set popupheight [expr {[cget -watchheight] + \
[winfo reqheight $itk_component(close)]}]
set popupx [expr {$rootx + 3 + \
[winfo width $itk_component(iconbutton)]}]
set popupy [expr {$rooty + 3 + \
[winfo height $itk_component(iconbutton)]}]
if {(($popupx + $popupwidth) > [winfo screenwidth .]) || \
(($popupy + $popupheight) > [winfo screenheight .])} {
set popupx [expr {$rootx - 3 - $popupwidth}]
set popupy [expr {$rooty - 3 - $popupheight}]
}
#
# Get the current time from the timefield widget and both
# show and select it on the watch.
#
$itk_component(watch) show [get]
#
# Display the popup at the calculated position.
#
wm geometry $itk_component(popup) +$popupx+$popupy
wm deiconify $itk_component(popup)
tkwait visibility $itk_component(popup)
#
# Perform either a local or global grab based on the -grab option.
#
if {$itk_option(-grab) == "local"} {
grab $itk_component(popup)
} else {
grab -global $itk_component(popup)
}
#
# Make sure the widget is above all others and give it focus.
#
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]
}