/usr/share/amsn/utils/BWidget-1.9.0/button.tcl is in amsn-data 0.98.9-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# button.tcl
# This file is part of Unifix BWidget Toolkit
# ----------------------------------------------------------------------------
# Index of commands:
# Public commands
# - Button::create
# - Button::configure
# - Button::cget
# - Button::invoke
# Private commands (event bindings)
# - Button::_destroy
# - Button::_enter
# - Button::_leave
# - Button::_press
# - Button::_release
# - Button::_repeat
# ----------------------------------------------------------------------------
namespace eval Button {
Widget::define Button button DynamicHelp
set remove [list -command -relief -text -textvariable -underline -state]
if {[info tclversion] > 8.3} {
lappend remove -repeatdelay -repeatinterval
}
Widget::tkinclude Button button :cmd remove $remove
Widget::declare Button {
{-name String "" 0}
{-text String "" 0}
{-textvariable String "" 0}
{-underline Int -1 0 "%d >= -1"}
{-armcommand String "" 0}
{-disarmcommand String "" 0}
{-command String "" 0}
{-state TkResource "" 0 button}
{-repeatdelay Int 0 0 "%d >= 0"}
{-repeatinterval Int 0 0 "%d >= 0"}
{-relief Enum raised 0 {raised sunken flat ridge solid groove link}}
}
DynamicHelp::include Button balloon
Widget::syncoptions Button "" :cmd {-text {} -underline {}}
variable _current ""
variable _pressed ""
bind BwButton <Enter> {Button::_enter %W}
bind BwButton <Leave> {Button::_leave %W}
bind BwButton <ButtonPress-1> {Button::_press %W}
bind BwButton <ButtonRelease-1> {Button::_release %W}
bind BwButton <Key-space> {Button::invoke %W; break}
bind BwButton <Return> {Button::invoke %W; break}
bind BwButton <Destroy> {Widget::destroy %W}
}
# ----------------------------------------------------------------------------
# Command Button::create
# ----------------------------------------------------------------------------
proc Button::create { path args } {
array set maps [list Button {} :cmd {}]
array set maps [Widget::parseArgs Button $args]
eval [concat [list button $path] $maps(:cmd)]
Widget::initFromODB Button $path $maps(Button)
# Do some extra configuration on the button
set relief [Widget::getMegawidgetOption $path -relief]
if { [string equal $relief "link"] } {
set relief "flat"
}
set var [Widget::getMegawidgetOption $path -textvariable]
set st [Widget::getMegawidgetOption $path -state]
if { ![string length $var] } {
set desc [BWidget::getname [Widget::getMegawidgetOption $path -name]]
if { [llength $desc] } {
set text [lindex $desc 0]
set under [lindex $desc 1]
Widget::configure $path [list -text $text]
Widget::configure $path [list -underline $under]
} else {
set text [Widget::getMegawidgetOption $path -text]
set under [Widget::getMegawidgetOption $path -underline]
}
} else {
set under -1
set text ""
Widget::configure $path [list -underline $under]
}
$path configure -relief $relief -text $text -underline $under \
-textvariable $var -state $st
bindtags $path [list $path BwButton [winfo toplevel $path] all]
set accel1 [string tolower [string index $text $under]]
set accel2 [string toupper $accel1]
if { $accel1 != "" } {
bind [winfo toplevel $path] <Alt-$accel1> [list Button::invoke $path]
bind [winfo toplevel $path] <Alt-$accel2> [list Button::invoke $path]
}
DynamicHelp::sethelp $path $path 1
return [Widget::create Button $path]
}
# ----------------------------------------------------------------------------
# Command Button::configure
# ----------------------------------------------------------------------------
proc Button::configure { path args } {
set oldunder [$path:cmd cget -underline]
if { $oldunder != -1 } {
set oldaccel1 [string tolower [string index [$path:cmd cget -text] $oldunder]]
set oldaccel2 [string toupper $oldaccel1]
} else {
set oldaccel1 ""
set oldaccel2 ""
}
set res [Widget::configure $path $args]
# Extract all the modified bits we're interested in
foreach {cr cs cv cn ct cu} [Widget::hasChangedX $path \
-relief -state -textvariable -name -text -underline] break
if { $cr || $cs } {
set relief [Widget::cget $path -relief]
set state [Widget::cget $path -state]
if { [string equal $relief "link"] } {
if { [string equal $state "active"] } {
set relief "raised"
} else {
set relief "flat"
}
}
$path:cmd configure -relief $relief -state $state
}
if { $cv || $cn || $ct || $cu } {
set var [Widget::cget $path -textvariable]
set text [Widget::cget $path -text]
set under [Widget::cget $path -underline]
if { ![string length $var] } {
set desc [BWidget::getname [Widget::cget $path -name]]
if { [llength $desc] } {
set text [lindex $desc 0]
set under [lindex $desc 1]
}
} else {
set under -1
set text ""
}
set top [winfo toplevel $path]
if { $oldaccel1 != "" } {
bind $top <Alt-$oldaccel1> {}
bind $top <Alt-$oldaccel2> {}
}
set accel1 [string tolower [string index $text $under]]
set accel2 [string toupper $accel1]
if { $accel1 != "" } {
bind $top <Alt-$accel1> [list Button::invoke $path]
bind $top <Alt-$accel2> [list Button::invoke $path]
}
$path:cmd configure -text $text -underline $under -textvariable $var
}
DynamicHelp::sethelp $path $path
set res
}
# ----------------------------------------------------------------------------
# Command Button::cget
# ----------------------------------------------------------------------------
proc Button::cget { path option } {
Widget::cget $path $option
}
# ----------------------------------------------------------------------------
# Command Button::invoke
# ----------------------------------------------------------------------------
proc Button::invoke { path } {
if { ![string equal [$path:cmd cget -state] "disabled"] } {
$path:cmd configure -state active -relief sunken
update idletasks
set cmd [Widget::getMegawidgetOption $path -armcommand]
if { $cmd != "" } {
uplevel \#0 $cmd
}
after 100
set relief [Widget::getMegawidgetOption $path -relief]
if { [string equal $relief "link"] } {
set relief flat
}
$path:cmd configure \
-state [Widget::getMegawidgetOption $path -state] \
-relief $relief
set cmd [Widget::getMegawidgetOption $path -disarmcommand]
if { $cmd != "" } {
uplevel \#0 $cmd
}
set cmd [Widget::getMegawidgetOption $path -command]
if { $cmd != "" } {
uplevel \#0 $cmd
}
}
}
# ----------------------------------------------------------------------------
# Command Button::_enter
# ----------------------------------------------------------------------------
proc Button::_enter { path } {
variable _current
variable _pressed
set _current $path
if { ![string equal [$path:cmd cget -state] "disabled"] } {
$path:cmd configure -state active
if { $_pressed == $path } {
$path:cmd configure -relief sunken
} elseif { [string equal [Widget::cget $path -relief] "link"] } {
$path:cmd configure -relief raised
}
}
}
# ----------------------------------------------------------------------------
# Command Button::_leave
# ----------------------------------------------------------------------------
proc Button::_leave { path } {
variable _current
variable _pressed
set _current ""
if { ![string equal [$path:cmd cget -state] "disabled"] } {
$path:cmd configure -state [Widget::cget $path -state]
set relief [Widget::cget $path -relief]
if { $_pressed == $path } {
if { [string equal $relief "link"] } {
set relief raised
}
$path:cmd configure -relief $relief
} elseif { [string equal $relief "link"] } {
$path:cmd configure -relief flat
}
}
}
# ----------------------------------------------------------------------------
# Command Button::_press
# ----------------------------------------------------------------------------
proc Button::_press { path } {
variable _pressed
if { ![string equal [$path:cmd cget -state] "disabled"] } {
set _pressed $path
$path:cmd configure -relief sunken
set cmd [Widget::getMegawidgetOption $path -armcommand]
if { $cmd != "" } {
uplevel \#0 $cmd
set repeatdelay [Widget::getMegawidgetOption $path -repeatdelay]
set repeatint [Widget::getMegawidgetOption $path -repeatinterval]
if { $repeatdelay > 0 } {
after $repeatdelay "Button::_repeat $path"
} elseif { $repeatint > 0 } {
after $repeatint "Button::_repeat $path"
}
}
}
}
# ----------------------------------------------------------------------------
# Command Button::_release
# ----------------------------------------------------------------------------
proc Button::_release { path } {
variable _current
variable _pressed
if { $_pressed == $path } {
set _pressed ""
set relief [Widget::getMegawidgetOption $path -relief]
after cancel "Button::_repeat $path"
if { [string equal $relief "link"] } {
set relief raised
}
$path:cmd configure -relief $relief
set cmd [Widget::getMegawidgetOption $path -disarmcommand]
if { $cmd != "" } {
uplevel \#0 $cmd
}
if { $_current == $path &&
![string equal [$path:cmd cget -state] "disabled"] && \
[set cmd [Widget::getMegawidgetOption $path -command]] != "" } {
uplevel \#0 $cmd
}
}
}
# ----------------------------------------------------------------------------
# Command Button::_repeat
# ----------------------------------------------------------------------------
proc Button::_repeat { path } {
variable _current
variable _pressed
if { $_current == $path && $_pressed == $path &&
![string equal [$path:cmd cget -state] "disabled"] &&
[set cmd [Widget::getMegawidgetOption $path -armcommand]] != "" } {
uplevel \#0 $cmd
}
if { $_pressed == $path &&
([set delay [Widget::getMegawidgetOption $path -repeatinterval]] >0 ||
[set delay [Widget::getMegawidgetOption $path -repeatdelay]] > 0) } {
after $delay "Button::_repeat $path"
}
}
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