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+# tk.tcl --
+#
+# Initialization script normally executed in the interpreter for each Tk-based
+# application. Arranges class bindings for widgets.
+#
+# Copyright (c) 1992-1994 The Regents of the University of California.
+# Copyright (c) 1994-1996 Sun Microsystems, Inc.
+# Copyright (c) 1998-2000 Ajuba Solutions.
+#
+# See the file "license.terms" for information on usage and redistribution of
+# this file, and for a DISCLAIMER OF ALL WARRANTIES.
+
+# Verify that we have Tk binary and script components from the same release
+package require -exact Tk 8.6.10
+
+# Create a ::tk namespace
+namespace eval ::tk {
+ # Set up the msgcat commands
+ namespace eval msgcat {
+ namespace export mc mcmax
+ if {[interp issafe] || [catch {package require msgcat}]} {
+ # The msgcat package is not available. Supply our own
+ # minimal replacement.
+ proc mc {src args} {
+ return [format $src {*}$args]
+ }
+ proc mcmax {args} {
+ set max 0
+ foreach string $args {
+ set len [string length $string]
+ if {$len>$max} {
+ set max $len
+ }
+ }
+ return $max
+ }
+ } else {
+ # Get the commands from the msgcat package that Tk uses.
+ namespace import ::msgcat::mc
+ namespace import ::msgcat::mcmax
+ ::msgcat::mcload [file join $::tk_library msgs]
+ }
+ }
+ namespace import ::tk::msgcat::*
+}
+# and a ::ttk namespace
+namespace eval ::ttk {
+ if {$::tk_library ne ""} {
+ # avoid file join to work in safe interps, but this is also x-plat ok
+ variable library $::tk_library/ttk
+ }
+}
+
+# Add Ttk & Tk's directory to the end of the auto-load search path, if it
+# isn't already on the path:
+
+if {[info exists ::auto_path] && ($::tk_library ne "")
+ && ($::tk_library ni $::auto_path)
+} then {
+ lappend ::auto_path $::tk_library $::ttk::library
+}
+
+# Turn off strict Motif look and feel as a default.
+
+set ::tk_strictMotif 0
+
+# Turn on useinputmethods (X Input Methods) by default.
+# We catch this because safe interpreters may not allow the call.
+
+catch {tk useinputmethods 1}
+
+# ::tk::PlaceWindow --
+# place a toplevel at a particular position
+# Arguments:
+# toplevel name of toplevel window
+# ?placement? pointer ?center? ; places $w centered on the pointer
+# widget widgetPath ; centers $w over widget_name
+# defaults to placing toplevel in the middle of the screen
+# ?anchor? center or widgetPath
+# Results:
+# Returns nothing
+#
+proc ::tk::PlaceWindow {w {place ""} {anchor ""}} {
+ wm withdraw $w
+ update idletasks
+ set checkBounds 1
+ if {$place eq ""} {
+ set x [expr {([winfo screenwidth $w]-[winfo reqwidth $w])/2}]
+ set y [expr {([winfo screenheight $w]-[winfo reqheight $w])/2}]
+ set checkBounds 0
+ } elseif {[string equal -length [string length $place] $place "pointer"]} {
+ ## place at POINTER (centered if $anchor == center)
+ if {[string equal -length [string length $anchor] $anchor "center"]} {
+ set x [expr {[winfo pointerx $w]-[winfo reqwidth $w]/2}]
+ set y [expr {[winfo pointery $w]-[winfo reqheight $w]/2}]
+ } else {
+ set x [winfo pointerx $w]
+ set y [winfo pointery $w]
+ }
+ } elseif {[string equal -length [string length $place] $place "widget"] && \
+ [winfo exists $anchor] && [winfo ismapped $anchor]} {
+ ## center about WIDGET $anchor, widget must be mapped
+ set x [expr {[winfo rootx $anchor] + \
+ ([winfo width $anchor]-[winfo reqwidth $w])/2}]
+ set y [expr {[winfo rooty $anchor] + \
+ ([winfo height $anchor]-[winfo reqheight $w])/2}]
+ } else {
+ set x [expr {([winfo screenwidth $w]-[winfo reqwidth $w])/2}]
+ set y [expr {([winfo screenheight $w]-[winfo reqheight $w])/2}]
+ set checkBounds 0
+ }
+ if {$checkBounds} {
+ if {$x < [winfo vrootx $w]} {
+ set x [winfo vrootx $w]
+ } elseif {$x > ([winfo vrootx $w]+[winfo vrootwidth $w]-[winfo reqwidth $w])} {
+ set x [expr {[winfo vrootx $w]+[winfo vrootwidth $w]-[winfo reqwidth $w]}]
+ }
+ if {$y < [winfo vrooty $w]} {
+ set y [winfo vrooty $w]
+ } elseif {$y > ([winfo vrooty $w]+[winfo vrootheight $w]-[winfo reqheight $w])} {
+ set y [expr {[winfo vrooty $w]+[winfo vrootheight $w]-[winfo reqheight $w]}]
+ }
+ if {[tk windowingsystem] eq "aqua"} {
+ # Avoid the native menu bar which sits on top of everything.
+ if {$y < 22} {
+ set y 22
+ }
+ }
+ }
+ wm maxsize $w [winfo vrootwidth $w] [winfo vrootheight $w]
+ wm geometry $w +$x+$y
+ wm deiconify $w
+}
+
+# ::tk::SetFocusGrab --
+# swap out current focus and grab temporarily (for dialogs)
+# Arguments:
+# grab new window to grab
+# focus window to give focus to
+# Results:
+# Returns nothing
+#
+proc ::tk::SetFocusGrab {grab {focus {}}} {
+ set index "$grab,$focus"
+ upvar ::tk::FocusGrab($index) data
+
+ lappend data [focus]
+ set oldGrab [grab current $grab]
+ lappend data $oldGrab
+ if {[winfo exists $oldGrab]} {
+ lappend data [grab status $oldGrab]
+ }
+ # The "grab" command will fail if another application
+ # already holds the grab. So catch it.
+ catch {grab $grab}
+ if {[winfo exists $focus]} {
+ focus $focus
+ }
+}
+
+# ::tk::RestoreFocusGrab --
+# restore old focus and grab (for dialogs)
+# Arguments:
+# grab window that had taken grab
+# focus window that had taken focus
+# destroy destroy|withdraw - how to handle the old grabbed window
+# Results:
+# Returns nothing
+#
+proc ::tk::RestoreFocusGrab {grab focus {destroy destroy}} {
+ set index "$grab,$focus"
+ if {[info exists ::tk::FocusGrab($index)]} {
+ foreach {oldFocus oldGrab oldStatus} $::tk::FocusGrab($index) { break }
+ unset ::tk::FocusGrab($index)
+ } else {
+ set oldGrab ""
+ }
+
+ catch {focus $oldFocus}
+ grab release $grab
+ if {$destroy eq "withdraw"} {
+ wm withdraw $grab
+ } else {
+ destroy $grab
+ }
+ if {[winfo exists $oldGrab] && [winfo ismapped $oldGrab]} {
+ if {$oldStatus eq "global"} {
+ grab -global $oldGrab
+ } else {
+ grab $oldGrab
+ }
+ }
+}
+
+# ::tk::GetSelection --
+# This tries to obtain the default selection. On Unix, we first try
+# and get a UTF8_STRING, a type supported by modern Unix apps for
+# passing Unicode data safely. We fall back on the default STRING
+# type otherwise. On Windows, only the STRING type is necessary.
+# Arguments:
+# w The widget for which the selection will be retrieved.
+# Important for the -displayof property.
+# sel The source of the selection (PRIMARY or CLIPBOARD)
+# Results:
+# Returns the selection, or an error if none could be found
+#
+if {[tk windowingsystem] ne "win32"} {
+ proc ::tk::GetSelection {w {sel PRIMARY}} {
+ if {[catch {
+ selection get -displayof $w -selection $sel -type UTF8_STRING
+ } txt] && [catch {
+ selection get -displayof $w -selection $sel
+ } txt]} then {
+ return -code error -errorcode {TK SELECTION NONE} \
+ "could not find default selection"
+ } else {
+ return $txt
+ }
+ }
+} else {
+ proc ::tk::GetSelection {w {sel PRIMARY}} {
+ if {[catch {
+ selection get -displayof $w -selection $sel
+ } txt]} then {
+ return -code error -errorcode {TK SELECTION NONE} \
+ "could not find default selection"
+ } else {
+ return $txt
+ }
+ }
+}
+
+# ::tk::ScreenChanged --
+# This procedure is invoked by the binding mechanism whenever the
+# "current" screen is changing. The procedure does two things.
+# First, it uses "upvar" to make variable "::tk::Priv" point at an
+# array variable that holds state for the current display. Second,
+# it initializes the array if it didn't already exist.
+#
+# Arguments:
+# screen - The name of the new screen.
+
+proc ::tk::ScreenChanged screen {
+ # Extract the display name.
+ set disp [string range $screen 0 [string last . $screen]-1]
+
+ # Ensure that namespace separators never occur in the display name (as
+ # they cause problems in variable names). Double-colons exist in some VNC
+ # display names. [Bug 2912473]
+ set disp [string map {:: _doublecolon_} $disp]
+
+ uplevel #0 [list upvar #0 ::tk::Priv.$disp ::tk::Priv]
+ variable ::tk::Priv
+
+ if {[info exists Priv]} {
+ set Priv(screen) $screen
+ return
+ }
+ array set Priv {
+ activeMenu {}
+ activeItem {}
+ afterId {}
+ buttons 0
+ buttonWindow {}
+ dragging 0
+ focus {}
+ grab {}
+ initPos {}
+ inMenubutton {}
+ listboxPrev {}
+ menuBar {}
+ mouseMoved 0
+ oldGrab {}
+ popup {}
+ postedMb {}
+ pressX 0
+ pressY 0
+ prevPos 0
+ selectMode char
+ }
+ set Priv(screen) $screen
+ set Priv(tearoff) [string equal [tk windowingsystem] "x11"]
+ set Priv(window) {}
+}
+
+# Do initial setup for Priv, so that it is always bound to something
+# (otherwise, if someone references it, it may get set to a non-upvar-ed
+# value, which will cause trouble later).
+
+tk::ScreenChanged [winfo screen .]
+
+# ::tk::EventMotifBindings --
+# This procedure is invoked as a trace whenever ::tk_strictMotif is
+# changed. It is used to turn on or turn off the motif virtual
+# bindings.
+#
+# Arguments:
+# n1 - the name of the variable being changed ("::tk_strictMotif").
+
+proc ::tk::EventMotifBindings {n1 dummy dummy} {
+ upvar $n1 name
+
+ if {$name} {
+ set op delete
+ } else {
+ set op add
+ }
+
+ event $op <<Cut>> <Control-Key-w> <Control-Lock-Key-W> <Shift-Key-Delete>
+ event $op <<Copy>> <Meta-Key-w> <Meta-Lock-Key-W> <Control-Key-Insert>
+ event $op <<Paste>> <Control-Key-y> <Control-Lock-Key-Y> <Shift-Key-Insert>
+ event $op <<PrevChar>> <Control-Key-b> <Control-Lock-Key-B>
+ event $op <<NextChar>> <Control-Key-f> <Control-Lock-Key-F>
+ event $op <<PrevLine>> <Control-Key-p> <Control-Lock-Key-P>
+ event $op <<NextLine>> <Control-Key-n> <Control-Lock-Key-N>
+ event $op <<LineStart>> <Control-Key-a> <Control-Lock-Key-A>
+ event $op <<LineEnd>> <Control-Key-e> <Control-Lock-Key-E>
+ event $op <<SelectPrevChar>> <Control-Key-B> <Control-Lock-Key-b>
+ event $op <<SelectNextChar>> <Control-Key-F> <Control-Lock-Key-f>
+ event $op <<SelectPrevLine>> <Control-Key-P> <Control-Lock-Key-p>
+ event $op <<SelectNextLine>> <Control-Key-N> <Control-Lock-Key-n>
+ event $op <<SelectLineStart>> <Control-Key-A> <Control-Lock-Key-a>
+ event $op <<SelectLineEnd>> <Control-Key-E> <Control-Lock-Key-e>
+}
+
+#----------------------------------------------------------------------
+# Define common dialogs on platforms where they are not implemented
+# using compiled code.
+#----------------------------------------------------------------------
+
+if {![llength [info commands tk_chooseColor]]} {
+ proc ::tk_chooseColor {args} {
+ return [::tk::dialog::color:: {*}$args]
+ }
+}
+if {![llength [info commands tk_getOpenFile]]} {
+ proc ::tk_getOpenFile {args} {
+ if {$::tk_strictMotif} {
+ return [::tk::MotifFDialog open {*}$args]
+ } else {
+ return [::tk::dialog::file:: open {*}$args]
+ }
+ }
+}
+if {![llength [info commands tk_getSaveFile]]} {
+ proc ::tk_getSaveFile {args} {
+ if {$::tk_strictMotif} {
+ return [::tk::MotifFDialog save {*}$args]
+ } else {
+ return [::tk::dialog::file:: save {*}$args]
+ }
+ }
+}
+if {![llength [info commands tk_messageBox]]} {
+ proc ::tk_messageBox {args} {
+ return [::tk::MessageBox {*}$args]
+ }
+}
+if {![llength [info command tk_chooseDirectory]]} {
+ proc ::tk_chooseDirectory {args} {
+ return [::tk::dialog::file::chooseDir:: {*}$args]
+ }
+}
+
+#----------------------------------------------------------------------
+# Define the set of common virtual events.
+#----------------------------------------------------------------------
+
+switch -exact -- [tk windowingsystem] {
+ "x11" {
+ event add <<Cut>> <Control-Key-x> <Key-F20> <Control-Lock-Key-X>
+ event add <<Copy>> <Control-Key-c> <Key-F16> <Control-Lock-Key-C>
+ event add <<Paste>> <Control-Key-v> <Key-F18> <Control-Lock-Key-V>
+ event add <<PasteSelection>> <ButtonRelease-2>
+ event add <<Undo>> <Control-Key-z> <Control-Lock-Key-Z>
+ event add <<Redo>> <Control-Key-Z> <Control-Lock-Key-z>
+ event add <<ContextMenu>> <Button-3>
+ # On Darwin/Aqua, buttons from left to right are 1,3,2. On Darwin/X11 with recent
+ # XQuartz as the X server, they are 1,2,3; other X servers may differ.
+
+ event add <<SelectAll>> <Control-Key-slash>
+ event add <<SelectNone>> <Control-Key-backslash>
+ event add <<NextChar>> <Right>
+ event add <<SelectNextChar>> <Shift-Right>
+ event add <<PrevChar>> <Left>
+ event add <<SelectPrevChar>> <Shift-Left>
+ event add <<NextWord>> <Control-Right>
+ event add <<SelectNextWord>> <Control-Shift-Right>
+ event add <<PrevWord>> <Control-Left>
+ event add <<SelectPrevWord>> <Control-Shift-Left>
+ event add <<LineStart>> <Home>
+ event add <<SelectLineStart>> <Shift-Home>
+ event add <<LineEnd>> <End>
+ event add <<SelectLineEnd>> <Shift-End>
+ event add <<PrevLine>> <Up>
+ event add <<NextLine>> <Down>
+ event add <<SelectPrevLine>> <Shift-Up>
+ event add <<SelectNextLine>> <Shift-Down>
+ event add <<PrevPara>> <Control-Up>
+ event add <<NextPara>> <Control-Down>
+ event add <<SelectPrevPara>> <Control-Shift-Up>
+ event add <<SelectNextPara>> <Control-Shift-Down>
+ event add <<ToggleSelection>> <Control-ButtonPress-1>
+
+ # Some OS's define a goofy (as in, not <Shift-Tab>) keysym that is
+ # returned when the user presses <Shift-Tab>. In order for tab
+ # traversal to work, we have to add these keysyms to the PrevWindow
+ # event. We use catch just in case the keysym isn't recognized.
+
+ # This is needed for XFree86 systems
+ catch { event add <<PrevWindow>> <ISO_Left_Tab> }
+ # This seems to be correct on *some* HP systems.
+ catch { event add <<PrevWindow>> <hpBackTab> }
+
+ trace add variable ::tk_strictMotif write ::tk::EventMotifBindings
+ set ::tk_strictMotif $::tk_strictMotif
+ # On unix, we want to always display entry/text selection,
+ # regardless of which window has focus
+ set ::tk::AlwaysShowSelection 1
+ }
+ "win32" {
+ event add <<Cut>> <Control-Key-x> <Shift-Key-Delete> <Control-Lock-Key-X>
+ event add <<Copy>> <Control-Key-c> <Control-Key-Insert> <Control-Lock-Key-C>
+ event add <<Paste>> <Control-Key-v> <Shift-Key-Insert> <Control-Lock-Key-V>
+ event add <<PasteSelection>> <ButtonRelease-2>
+ event add <<Undo>> <Control-Key-z> <Control-Lock-Key-Z>
+ event add <<Redo>> <Control-Key-y> <Control-Lock-Key-Y>
+ event add <<ContextMenu>> <Button-3>
+
+ event add <<SelectAll>> <Control-Key-slash> <Control-Key-a> <Control-Lock-Key-A>
+ event add <<SelectNone>> <Control-Key-backslash>
+ event add <<NextChar>> <Right>
+ event add <<SelectNextChar>> <Shift-Right>
+ event add <<PrevChar>> <Left>
+ event add <<SelectPrevChar>> <Shift-Left>
+ event add <<NextWord>> <Control-Right>
+ event add <<SelectNextWord>> <Control-Shift-Right>
+ event add <<PrevWord>> <Control-Left>
+ event add <<SelectPrevWord>> <Control-Shift-Left>
+ event add <<LineStart>> <Home>
+ event add <<SelectLineStart>> <Shift-Home>
+ event add <<LineEnd>> <End>
+ event add <<SelectLineEnd>> <Shift-End>
+ event add <<PrevLine>> <Up>
+ event add <<NextLine>> <Down>
+ event add <<SelectPrevLine>> <Shift-Up>
+ event add <<SelectNextLine>> <Shift-Down>
+ event add <<PrevPara>> <Control-Up>
+ event add <<NextPara>> <Control-Down>
+ event add <<SelectPrevPara>> <Control-Shift-Up>
+ event add <<SelectNextPara>> <Control-Shift-Down>
+ event add <<ToggleSelection>> <Control-ButtonPress-1>
+ }
+ "aqua" {
+ event add <<Cut>> <Command-Key-x> <Key-F2> <Command-Lock-Key-X>
+ event add <<Copy>> <Command-Key-c> <Key-F3> <Command-Lock-Key-C>
+ event add <<Paste>> <Command-Key-v> <Key-F4> <Command-Lock-Key-V>
+ event add <<PasteSelection>> <ButtonRelease-3>
+ event add <<Clear>> <Clear>
+ event add <<ContextMenu>> <Button-2>
+
+ # Official bindings
+ # See http://support.apple.com/kb/HT1343
+ event add <<SelectAll>> <Command-Key-a>
+ #Attach function keys not otherwise assigned to this event so they no-op - workaround for bug 0e6930dfe7
+ event add <<SelectNone>> <Option-Command-Key-a> <Key-F5> <Key-F1> <Key-F5> <Key-F6> <Key-F7> <Key-F8> <Key-F9> <Key-F10> <Key-F11> <Key-F12>
+ event add <<Undo>> <Command-Key-z> <Command-Lock-Key-Z>
+ event add <<Redo>> <Shift-Command-Key-z> <Shift-Command-Lock-Key-z>
+ event add <<NextChar>> <Right> <Control-Key-f> <Control-Lock-Key-F>
+ event add <<SelectNextChar>> <Shift-Right> <Shift-Control-Key-F> <Shift-Control-Lock-Key-F>
+ event add <<PrevChar>> <Left> <Control-Key-b> <Control-Lock-Key-B>
+ event add <<SelectPrevChar>> <Shift-Left> <Shift-Control-Key-B> <Shift-Control-Lock-Key-B>
+ event add <<NextWord>> <Option-Right>
+ event add <<SelectNextWord>> <Shift-Option-Right>
+ event add <<PrevWord>> <Option-Left>
+ event add <<SelectPrevWord>> <Shift-Option-Left>
+ event add <<LineStart>> <Home> <Command-Left> <Control-Key-a> <Control-Lock-Key-A>
+ event add <<SelectLineStart>> <Shift-Home> <Shift-Command-Left> <Shift-Control-Key-A> <Shift-Control-Lock-Key-A>
+ event add <<LineEnd>> <End> <Command-Right> <Control-Key-e> <Control-Lock-Key-E>
+ event add <<SelectLineEnd>> <Shift-End> <Shift-Command-Right> <Shift-Control-Key-E> <Shift-Control-Lock-Key-E>
+ event add <<PrevLine>> <Up> <Control-Key-p> <Control-Lock-Key-P>
+ event add <<SelectPrevLine>> <Shift-Up> <Shift-Control-Key-P> <Shift-Control-Lock-Key-P>
+ event add <<NextLine>> <Down> <Control-Key-n> <Control-Lock-Key-N>
+ event add <<SelectNextLine>> <Shift-Down> <Shift-Control-Key-N> <Shift-Control-Lock-Key-N>
+ # Not official, but logical extensions of above. Also derived from
+ # bindings present in MS Word on OSX.
+ event add <<PrevPara>> <Option-Up>
+ event add <<NextPara>> <Option-Down>
+ event add <<SelectPrevPara>> <Shift-Option-Up>
+ event add <<SelectNextPara>> <Shift-Option-Down>
+ event add <<ToggleSelection>> <Command-ButtonPress-1>
+ }
+}
+
+# ----------------------------------------------------------------------
+# Read in files that define all of the class bindings.
+# ----------------------------------------------------------------------
+
+if {$::tk_library ne ""} {
+ proc ::tk::SourceLibFile {file} {
+ namespace eval :: [list source [file join $::tk_library $file.tcl]]
+ }
+ namespace eval ::tk {
+ SourceLibFile icons
+ SourceLibFile button
+ SourceLibFile entry
+ SourceLibFile listbox
+ SourceLibFile menu
+ SourceLibFile panedwindow
+ SourceLibFile scale
+ SourceLibFile scrlbar
+ SourceLibFile spinbox
+ SourceLibFile text
+ }
+}
+
+# ----------------------------------------------------------------------
+# Default bindings for keyboard traversal.
+# ----------------------------------------------------------------------
+
+event add <<PrevWindow>> <Shift-Tab>
+event add <<NextWindow>> <Tab>
+bind all <<NextWindow>> {tk::TabToWindow [tk_focusNext %W]}
+bind all <<PrevWindow>> {tk::TabToWindow [tk_focusPrev %W]}
+
+# ::tk::CancelRepeat --
+# This procedure is invoked to cancel an auto-repeat action described
+# by ::tk::Priv(afterId). It's used by several widgets to auto-scroll
+# the widget when the mouse is dragged out of the widget with a
+# button pressed.
+#
+# Arguments:
+# None.
+
+proc ::tk::CancelRepeat {} {
+ variable ::tk::Priv
+ after cancel $Priv(afterId)
+ set Priv(afterId) {}
+}
+
+# ::tk::TabToWindow --
+# This procedure moves the focus to the given widget.
+# It sends a <<TraverseOut>> virtual event to the previous focus window,
+# if any, before changing the focus, and a <<TraverseIn>> event
+# to the new focus window afterwards.
+#
+# Arguments:
+# w - Window to which focus should be set.
+
+proc ::tk::TabToWindow {w} {
+ set focus [focus]
+ if {$focus ne ""} {
+ event generate $focus <<TraverseOut>>
+ }
+ focus $w
+ event generate $w <<TraverseIn>>
+}
+
+# ::tk::UnderlineAmpersand --
+# This procedure takes some text with ampersand and returns text w/o
+# ampersand and position of the ampersand. Double ampersands are
+# converted to single ones. Position returned is -1 when there is no
+# ampersand.
+#
+proc ::tk::UnderlineAmpersand {text} {
+ set s [string map {&& & & \ufeff} $text]
+ set idx [string first \ufeff $s]
+ return [list [string map {\ufeff {}} $s] $idx]
+}
+
+# ::tk::SetAmpText --
+# Given widget path and text with "magic ampersands", sets -text and
+# -underline options for the widget
+#
+proc ::tk::SetAmpText {widget text} {
+ lassign [UnderlineAmpersand $text] newtext under
+ $widget configure -text $newtext -underline $under
+}
+
+# ::tk::AmpWidget --
+# Creates new widget, turning -text option into -text and -underline
+# options, returned by ::tk::UnderlineAmpersand.
+#
+proc ::tk::AmpWidget {class path args} {
+ set options {}
+ foreach {opt val} $args {
+ if {$opt eq "-text"} {
+ lassign [UnderlineAmpersand $val] newtext under
+ lappend options -text $newtext -underline $under
+ } else {
+ lappend options $opt $val
+ }
+ }
+ set result [$class $path {*}$options]
+ if {[string match "*button" $class]} {
+ bind $path <<AltUnderlined>> [list $path invoke]
+ }
+ return $result
+}
+
+# ::tk::AmpMenuArgs --
+# Processes arguments for a menu entry, turning -label option into
+# -label and -underline options, returned by ::tk::UnderlineAmpersand.
+# The cmd argument is supposed to be either "add" or "entryconfigure"
+#
+proc ::tk::AmpMenuArgs {widget cmd type args} {
+ set options {}
+ foreach {opt val} $args {
+ if {$opt eq "-label"} {
+ lassign [UnderlineAmpersand $val] newlabel under
+ lappend options -label $newlabel -underline $under
+ } else {
+ lappend options $opt $val
+ }
+ }
+ $widget $cmd $type {*}$options
+}
+
+# ::tk::FindAltKeyTarget --
+# Search recursively through the hierarchy of visible widgets to find
+# button or label which has $char as underlined character.
+#
+proc ::tk::FindAltKeyTarget {path char} {
+ set class [winfo class $path]
+ if {$class in {
+ Button Checkbutton Label Radiobutton
+ TButton TCheckbutton TLabel TRadiobutton
+ } && [string equal -nocase $char \
+ [string index [$path cget -text] [$path cget -underline]]]} {
+ return $path
+ }
+ set subwins [concat [grid slaves $path] [pack slaves $path] \
+ [place slaves $path]]
+ if {$class eq "Canvas"} {
+ foreach item [$path find all] {
+ if {[$path type $item] eq "window"} {
+ set w [$path itemcget $item -window]
+ if {$w ne ""} {lappend subwins $w}
+ }
+ }
+ } elseif {$class eq "Text"} {
+ lappend subwins {*}[$path window names]
+ }
+ foreach child $subwins {
+ set target [FindAltKeyTarget $child $char]
+ if {$target ne ""} {
+ return $target
+ }
+ }
+}
+
+# ::tk::AltKeyInDialog --
+# <Alt-Key> event handler for standard dialogs. Sends <<AltUnderlined>>
+# to button or label which has appropriate underlined character.
+#
+proc ::tk::AltKeyInDialog {path key} {
+ set target [FindAltKeyTarget $path $key]
+ if {$target ne ""} {
+ event generate $target <<AltUnderlined>>
+ }
+}
+
+# ::tk::mcmaxamp --
+# Replacement for mcmax, used for texts with "magic ampersand" in it.
+#
+
+proc ::tk::mcmaxamp {args} {
+ set maxlen 0
+ foreach arg $args {
+ # Should we run [mc] in caller's namespace?
+ lassign [UnderlineAmpersand [mc $arg]] msg
+ set length [string length $msg]
+ if {$length > $maxlen} {
+ set maxlen $length
+ }
+ }
+ return $maxlen
+}
+
+# For now, turn off the custom mdef proc for the Mac:
+
+if {[tk windowingsystem] eq "aqua"} {
+ namespace eval ::tk::mac {
+ set useCustomMDEF 0
+ }
+}
+
+
+if {[tk windowingsystem] eq "aqua"} {
+ #stub procedures to respond to "do script" Apple Events
+ proc ::tk::mac::DoScriptFile {file} {
+ source $file
+ }
+ proc ::tk::mac::DoScriptText {script} {
+ eval $script
+ }
+}
+
+# Create a dictionary to store the starting index of the IME marked
+# text in an Entry or Text widget.
+
+set ::tk::Priv(IMETextMark) [dict create]
+
+# Run the Ttk themed widget set initialization
+if {$::ttk::library ne ""} {
+ uplevel \#0 [list source $::ttk::library/ttk.tcl]
+}
+
+# Local Variables:
+# mode: tcl
+# fill-column: 78
+# End: