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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 8.6.12 | |
| # 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-Button-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-Button-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 https://support.apple.com/en-us/HT201236 | |
| event add <<SelectAll>> <Command-Key-a> | |
| 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-Button-1> | |
| } | |
| } | |
| # ---------------------------------------------------------------------- | |
| # Read in files that define all of the class bindings. | |
| # ---------------------------------------------------------------------- | |
| if {$::tk_library ne ""} { | |
| proc ::tk::SourceLibFile {file} { | |
| namespace eval :: [list source -encoding utf-8 [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} { | |
| uplevel #0 $file | |
| source -encoding utf-8 $file | |
| } | |
| proc ::tk::mac::DoScriptText {script} { | |
| uplevel #0 $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 -encoding utf-8 $::ttk::library/ttk.tcl] | |
| } | |
| # Local Variables: | |
| # mode: tcl | |
| # fill-column: 78 | |
| # End: | |