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A handbook of the 10th revision of the International Statistical Classification of Diseases and Related Health Problems (ICD).
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tMKB10/lib/bwidget/color.tcl

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namespace eval SelectColor {
Widget::define SelectColor color Dialog
Widget::declare SelectColor {
{-title String "Select a color" 0}
{-parent String "" 0}
{-color TkResource "" 0 {label -background}}
{-type Enum "dialog" 1 {dialog popup}}
{-placement String "center" 1}
}
variable _baseColors {
\#0000ff \#00ff00 \#00ffff \#ff0000 \#ff00ff \#ffff00
\#000099 \#009900 \#009999 \#990000 \#990099 \#999900
\#000000 \#333333 \#666666 \#999999 \#cccccc \#ffffff
}
variable _userColors {
\#ffffff \#ffffff \#ffffff \#ffffff \#ffffff \#ffffff
\#ffffff \#ffffff \#ffffff \#ffffff \#ffffff
}
if {[string equal $::tcl_platform(platform) "unix"]} {
set useTkDialogue 0
} else {
set useTkDialogue 1
}
variable _selectype
variable _selection
variable _wcolor
variable _image
variable _hsv
}
proc SelectColor::create { path args } {
Widget::init SelectColor $path $args
set type [Widget::cget $path -type]
switch -- [Widget::cget $path -type] {
"dialog" {
return [eval [list SelectColor::dialog $path] $args]
}
"popup" {
set list [list at center left right above below]
set placement [Widget::cget $path -placement]
set where [lindex $placement 0]
if {[lsearch $list $where] < 0} {
return -code error \
[BWidget::badOptionString placement $placement $list]
}
## If they specified a parent and didn't pass a second argument
## in the placement, set the placement relative to the parent.
set parent [Widget::cget $path -parent]
if {[string length $parent]} {
if {[llength $placement] == 1} { lappend placement $parent }
}
return [eval [list SelectColor::menu $path $placement] $args]
}
}
}
proc SelectColor::menu {path placement args} {
variable _baseColors
variable _userColors
variable _wcolor
variable _selectype
variable _selection
Widget::init SelectColor $path $args
set top [toplevel $path]
set parent [winfo toplevel [winfo parent $top]]
wm withdraw $top
wm transient $top $parent
wm overrideredirect $top 1
catch { wm attributes $top -topmost 1 }
set frame [frame $top.frame \
-highlightthickness 0 \
-relief raised -borderwidth 2]
set col 0
set row 0
set count 0
set colors [concat $_baseColors $_userColors]
foreach color $colors {
set f [frame $frame.c$count \
-highlightthickness 2 \
-highlightcolor white \
-relief solid -borderwidth 1 \
-width 16 -height 16 -background $color]
bind $f <1> "set SelectColor::_selection $count; break"
bind $f <Enter> {focus %W}
grid $f -column $col -row $row
incr count
if {[incr col] == 6 } {
set col 0
incr row
}
}
set f [label $frame.c$count \
-highlightthickness 2 \
-highlightcolor white \
-relief flat -borderwidth 0 \
-width 16 -height 16 -image [Bitmap::get palette]]
grid $f -column $col -row $row
bind $f <1> "set SelectColor::_selection $count; break"
bind $f <Enter> {focus %W}
pack $frame
bind $top <1> {set SelectColor::_selection -1}
bind $top <Escape> {set SelectColor::_selection -2}
bind $top <FocusOut> [subst {if {"%W" == "$top"} \
{set SelectColor::_selection -2}}]
eval [list BWidget::place $top 0 0] $placement
wm deiconify $top
raise $top
if {$::tcl_platform(platform) == "unix"} {
tkwait visibility $top
update
}
BWidget::SetFocusGrab $top $frame.c0
vwait SelectColor::_selection
BWidget::RestoreFocusGrab $top $frame.c0 destroy
Widget::destroy $top
if {$_selection == $count} {
array set opts {
-parent -parent
-title -title
-color -initialcolor
}
if {[Widget::theme]} {
set native 1
set nativecmd [list tk_chooseColor -parent $parent]
foreach {key val} $args {
if {![info exists opts($key)]} {
set native 0
break
}
lappend nativecmd $opts($key) $val
}
if {$native} {
return [eval $nativecmd]
}
}
return [eval [list dialog $path] $args]
} else {
return [lindex $colors $_selection]
}
}
proc SelectColor::dialog {path args} {
variable _baseColors
variable _userColors
variable _widget
variable _selection
variable _image
variable _hsv
Widget::init SelectColor $path:SelectColor $args
set top [Dialog::create $path \
-title [Widget::cget $path:SelectColor -title] \
-parent [Widget::cget $path:SelectColor -parent] \
-separator 1 -default 0 -cancel 1 -anchor e]
wm resizable $top 0 0
set dlgf [$top getframe]
set fg [frame $dlgf.fg]
set desc [list \
base _baseColors "Base colors" \
user _userColors "User colors"]
set count 0
foreach {type varcol defTitle} $desc {
set col 0
set lin 0
set title [lindex [BWidget::getname "${type}Colors"] 0]
if {![string length $title]} {
set title $defTitle
}
set titf [TitleFrame $fg.$type -text $title]
set subf [$titf getframe]
foreach color [set $varcol] {
set fround [frame $fg.round$count \
-highlightthickness 1 \
-relief sunken -borderwidth 2]
set fcolor [frame $fg.color$count -width 16 -height 12 \
-highlightthickness 0 \
-relief flat -borderwidth 0 \
-background $color]
pack $fcolor -in $fround
grid $fround -in $subf -row $lin -column $col -padx 1 -pady 1
bind $fround <ButtonPress-1> [list SelectColor::_select_rgb $count]
bind $fcolor <ButtonPress-1> [list SelectColor::_select_rgb $count]
bind $fround <Double-1> \
"SelectColor::_select_rgb [list $count]; [list $top] invoke 0"
bind $fcolor <Double-1> \
"SelectColor::_select_rgb [list $count]; [list $top] invoke 0"
incr count
if {[incr col] == 6} {
incr lin
set col 0
}
}
pack $titf -anchor w -pady 2
}
set fround [frame $fg.round \
-highlightthickness 0 \
-relief sunken -borderwidth 2]
set fcolor [frame $fg.color \
-width 50 \
-highlightthickness 0 \
-relief flat -borderwidth 0]
pack $fcolor -in $fround -fill y -expand yes
pack $fround -anchor e -pady 2 -fill y -expand yes
set fd [frame $dlgf.fd]
set f1 [frame $fd.f1 -relief sunken -borderwidth 2]
set f2 [frame $fd.f2 -relief sunken -borderwidth 2]
set c1 [canvas $f1.c -width 200 -height 200 -bd 0 -highlightthickness 0]
set c2 [canvas $f2.c -width 15 -height 200 -bd 0 -highlightthickness 0]
for {set val 0} {$val < 40} {incr val} {
$c2 create rectangle 0 [expr {5*$val}] 15 [expr {5*$val+5}] -tags val[expr {39-$val}]
}
$c2 create polygon 0 0 10 5 0 10 -fill black -outline white -tags target
pack $c1 $c2
pack $f1 $f2 -side left -padx 10 -anchor n
pack $fg $fd -side left -anchor n -fill y
bind $c1 <ButtonPress-1> [list SelectColor::_select_hue_sat %x %y]
bind $c1 <B1-Motion> [list SelectColor::_select_hue_sat %x %y]
bind $c2 <ButtonPress-1> [list SelectColor::_select_value %x %y]
bind $c2 <B1-Motion> [list SelectColor::_select_value %x %y]
if {![info exists _image] || [catch {image type $_image}]} {
set _image [image create photo -width 200 -height 200]
for {set x 0} {$x < 200} {incr x 4} {
for {set y 0} {$y < 200} {incr y 4} {
$_image put \
[eval [list format "\#%04x%04x%04x"] \
[hsvToRgb [expr {$x/196.0}] [expr {(196-$y)/196.0}] 0.85]] \
-to $x $y [expr {$x+4}] [expr {$y+4}]
}
}
}
$c1 create image 0 0 -anchor nw -image $_image
$c1 create bitmap 0 0 \
-bitmap @[file join $::BWIDGET::LIBRARY "images" "target.xbm"] \
-anchor nw -tags target
set _selection -1
set _widget(fcolor) $fg
set _widget(chs) $c1
set _widget(cv) $c2
set rgb [winfo rgb $path [Widget::cget $path:SelectColor -color]]
set _hsv [eval rgbToHsv $rgb]
_set_rgb [eval [list format "\#%04x%04x%04x"] $rgb]
_set_hue_sat [lindex $_hsv 0] [lindex $_hsv 1]
_set_value [lindex $_hsv 2]
$top add -name ok
$top add -name cancel
set res [$top draw]
if {$res == 0} {
set color [$fg.color cget -background]
} else {
set color ""
}
destroy $top
return $color
}
proc SelectColor::setcolor { idx color } {
variable _userColors
set _userColors [lreplace $_userColors $idx $idx $color]
}
proc SelectColor::_select_rgb {count} {
variable _baseColors
variable _userColors
variable _selection
variable _widget
variable _hsv
set frame $_widget(fcolor)
if {$_selection >= 0} {
$frame.round$_selection configure \
-relief sunken -highlightthickness 1 -borderwidth 2
}
$frame.round$count configure \
-relief flat -highlightthickness 2 -borderwidth 1
focus $frame.round$count
set _selection $count
set bg [$frame.color$count cget -background]
set user [expr {$_selection-[llength $_baseColors]}]
if {$user >= 0 &&
[string equal \
[winfo rgb $frame.color$_selection $bg] \
[winfo rgb $frame.color$_selection white]]} {
set bg [$frame.color cget -bg]
$frame.color$_selection configure -background $bg
set _userColors [lreplace $_userColors $user $user $bg]
} else {
set _hsv [eval rgbToHsv [winfo rgb $frame.color$count $bg]]
_set_hue_sat [lindex $_hsv 0] [lindex $_hsv 1]
_set_value [lindex $_hsv 2]
$frame.color configure -background $bg
}
}
proc SelectColor::_set_rgb {rgb} {
variable _selection
variable _baseColors
variable _userColors
variable _widget
set frame $_widget(fcolor)
$frame.color configure -background $rgb
set user [expr {$_selection-[llength $_baseColors]}]
if {$user >= 0} {
$frame.color$_selection configure -background $rgb
set _userColors [lreplace $_userColors $user $user $rgb]
}
}
proc SelectColor::_select_hue_sat {x y} {
variable _widget
variable _hsv
if {$x < 0} {
set x 0
} elseif {$x > 200} {
set x 200
}
if {$y < 0 } {
set y 0
} elseif {$y > 200} {
set y 200
}
set hue [expr {$x/200.0}]
set sat [expr {(200-$y)/200.0}]
set _hsv [lreplace $_hsv 0 1 $hue $sat]
$_widget(chs) coords target [expr {$x-9}] [expr {$y-9}]
_draw_values $hue $sat
_set_rgb [eval [list format "\#%04x%04x%04x"] [eval [list hsvToRgb] $_hsv]]
}
proc SelectColor::_set_hue_sat {hue sat} {
variable _widget
set x [expr {$hue*200-9}]
set y [expr {(1-$sat)*200-9}]
$_widget(chs) coords target $x $y
_draw_values $hue $sat
}
proc SelectColor::_select_value {x y} {
variable _widget
variable _hsv
if {$y < 0} {
set y 0
} elseif {$y > 200} {
set y 200
}
$_widget(cv) coords target 0 [expr {$y-5}] 10 $y 0 [expr {$y+5}]
set _hsv [lreplace $_hsv 2 2 [expr {(200-$y)/200.0}]]
_set_rgb [eval [list format "\#%04x%04x%04x"] [eval [list hsvToRgb] $_hsv]]
}
proc SelectColor::_draw_values {hue sat} {
variable _widget
for {set val 0} {$val < 40} {incr val} {
set l [hsvToRgb $hue $sat [expr {$val/39.0}]]
set col [eval [list format "\#%04x%04x%04x"] $l]
$_widget(cv) itemconfigure val$val -fill $col -outline $col
}
}
proc SelectColor::_set_value {value} {
variable _widget
set y [expr {int((1-$value)*200)}]
$_widget(cv) coords target 0 [expr {$y-5}] 10 $y 0 [expr {$y+5}]
}
# --
# Taken from tk8.0/demos/tcolor.tcl
# --
# The procedure below converts an HSB value to RGB. It takes hue, saturation,
# and value components (floating-point, 0-1.0) as arguments, and returns a
# list containing RGB components (integers, 0-65535) as result. The code
# here is a copy of the code on page 616 of "Fundamentals of Interactive
# Computer Graphics" by Foley and Van Dam.
proc SelectColor::hsvToRgb {hue sat val} {
set v [expr {round(65535.0*$val)}]
if {$sat == 0} {
return [list $v $v $v]
} else {
set hue [expr {$hue*6.0}]
if {$hue >= 6.0} {
set hue 0.0
}
set i [expr {int($hue)}]
set f [expr {$hue-$i}]
set p [expr {round(65535.0*$val*(1 - $sat))}]
set q [expr {round(65535.0*$val*(1 - ($sat*$f)))}]
set t [expr {round(65535.0*$val*(1 - ($sat*(1 - $f))))}]
switch $i {
0 {return [list $v $t $p]}
1 {return [list $q $v $p]}
2 {return [list $p $v $t]}
3 {return [list $p $q $v]}
4 {return [list $t $p $v]}
5 {return [list $v $p $q]}
}
}
}
# --
# Taken from tk8.0/demos/tcolor.tcl
# --
# The procedure below converts an RGB value to HSB. It takes red, green,
# and blue components (0-65535) as arguments, and returns a list containing
# HSB components (floating-point, 0-1) as result. The code here is a copy
# of the code on page 615 of "Fundamentals of Interactive Computer Graphics"
# by Foley and Van Dam.
proc SelectColor::rgbToHsv {red green blue} {
if {$red > $green} {
set max $red.0
set min $green.0
} else {
set max $green.0
set min $red.0
}
if {$blue > $max} {
set max $blue.0
} else {
if {$blue < $min} {
set min $blue.0
}
}
set range [expr {$max-$min}]
if {$max == 0} {
set sat 0
} else {
set sat [expr {($max-$min)/$max}]
}
if {$sat == 0} {
set hue 0
} else {
set rc [expr {($max - $red)/$range}]
set gc [expr {($max - $green)/$range}]
set bc [expr {($max - $blue)/$range}]
if {$red == $max} {
set hue [expr {.166667*($bc - $gc)}]
} else {
if {$green == $max} {
set hue [expr {.166667*(2 + $rc - $bc)}]
} else {
set hue [expr {.166667*(4 + $gc - $rc)}]
}
}
if {$hue < 0.0} {
set hue [expr {$hue + 1.0}]
}
}
return [list $hue $sat [expr {$max/65535}]]
}