--- /dev/null
+# tkfbox.tcl --
+#
+# Implements the "TK" standard file selection dialog box. This
+# dialog box is used on the Unix platforms whenever the tk_strictMotif
+# flag is not set.
+#
+# The "TK" standard file selection dialog box is similar to the
+# file selection dialog box on Win95(TM). The user can navigate
+# the directories by clicking on the folder icons or by
+# selecting the "Directory" option menu. The user can select
+# files by clicking on the file icons or by entering a filename
+# in the "Filename:" entry.
+#
+# RCS: @(#) $Id$
+#
+# Copyright (c) 1994-1998 Sun Microsystems, Inc.
+#
+# See the file "license.terms" for information on usage and redistribution
+# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
+#
+
+#----------------------------------------------------------------------
+#
+# I C O N L I S T
+#
+# This is a pseudo-widget that implements the icon list inside the
+# ::tk::dialog::file:: dialog box.
+#
+#----------------------------------------------------------------------
+
+# ::tk::IconList --
+#
+# Creates an IconList widget.
+#
+proc ::tk::IconList {w args} {
+ IconList_Config $w $args
+ IconList_Create $w
+}
+
+proc ::tk::IconList_Index {w i} {
+ upvar #0 ::tk::$w data
+ upvar #0 ::tk::$w:itemList itemList
+ if {![info exists data(list)]} {set data(list) {}}
+ switch -regexp -- $i {
+ "^-?[0-9]+$" {
+ if { $i < 0 } {
+ set i 0
+ }
+ if { $i >= [llength $data(list)] } {
+ set i [expr {[llength $data(list)] - 1}]
+ }
+ return $i
+ }
+ "^active$" {
+ return $data(index,active)
+ }
+ "^anchor$" {
+ return $data(index,anchor)
+ }
+ "^end$" {
+ return [llength $data(list)]
+ }
+ "@-?[0-9]+,-?[0-9]+" {
+ foreach {x y} [scan $i "@%d,%d"] {
+ break
+ }
+ set item [$data(canvas) find closest $x $y]
+ return [lindex [$data(canvas) itemcget $item -tags] 1]
+ }
+ }
+}
+
+proc ::tk::IconList_Selection {w op args} {
+ upvar ::tk::$w data
+ switch -exact -- $op {
+ "anchor" {
+ if { [llength $args] == 1 } {
+ set data(index,anchor) [tk::IconList_Index $w [lindex $args 0]]
+ } else {
+ return $data(index,anchor)
+ }
+ }
+ "clear" {
+ if { [llength $args] == 2 } {
+ foreach {first last} $args {
+ break
+ }
+ } elseif { [llength $args] == 1 } {
+ set first [set last [lindex $args 0]]
+ } else {
+ error "wrong # args: should be [lindex [info level 0] 0] path\
+ clear first ?last?"
+ }
+ set first [IconList_Index $w $first]
+ set last [IconList_Index $w $last]
+ if { $first > $last } {
+ set tmp $first
+ set first $last
+ set last $tmp
+ }
+ set ind 0
+ foreach item $data(selection) {
+ if { $item >= $first } {
+ set first $ind
+ break
+ }
+ }
+ set ind [expr {[llength $data(selection)] - 1}]
+ for {} {$ind >= 0} {incr ind -1} {
+ set item [lindex $data(selection) $ind]
+ if { $item <= $last } {
+ set last $ind
+ break
+ }
+ }
+
+ if { $first > $last } {
+ return
+ }
+ set data(selection) [lreplace $data(selection) $first $last]
+ event generate $w <<ListboxSelect>>
+ IconList_DrawSelection $w
+ }
+ "includes" {
+ set index [lsearch -exact $data(selection) [lindex $args 0]]
+ return [expr {$index != -1}]
+ }
+ "set" {
+ if { [llength $args] == 2 } {
+ foreach {first last} $args {
+ break
+ }
+ } elseif { [llength $args] == 1 } {
+ set last [set first [lindex $args 0]]
+ } else {
+ error "wrong # args: should be [lindex [info level 0] 0] path\
+ set first ?last?"
+ }
+
+ set first [IconList_Index $w $first]
+ set last [IconList_Index $w $last]
+ if { $first > $last } {
+ set tmp $first
+ set first $last
+ set last $tmp
+ }
+ for {set i $first} {$i <= $last} {incr i} {
+ lappend data(selection) $i
+ }
+ set data(selection) [lsort -integer -unique $data(selection)]
+ event generate $w <<ListboxSelect>>
+ IconList_DrawSelection $w
+ }
+ }
+}
+
+proc ::tk::IconList_Curselection {w} {
+ upvar ::tk::$w data
+ return $data(selection)
+}
+
+proc ::tk::IconList_DrawSelection {w} {
+ upvar ::tk::$w data
+ upvar ::tk::$w:itemList itemList
+
+ $data(canvas) delete selection
+ foreach item $data(selection) {
+ set rTag [lindex [lindex $data(list) $item] 2]
+ foreach {iTag tTag text serial} $itemList($rTag) {
+ break
+ }
+
+ set bbox [$data(canvas) bbox $tTag]
+ $data(canvas) create rect $bbox -fill \#a0a0ff -outline \#a0a0ff \
+ -tags selection
+ }
+ $data(canvas) lower selection
+ return
+}
+
+proc ::tk::IconList_Get {w item} {
+ upvar ::tk::$w data
+ upvar ::tk::$w:itemList itemList
+ set rTag [lindex [lindex $data(list) $item] 2]
+ foreach {iTag tTag text serial} $itemList($rTag) {
+ break
+ }
+ return $text
+}
+
+# ::tk::IconList_Config --
+#
+# Configure the widget variables of IconList, according to the command
+# line arguments.
+#
+proc ::tk::IconList_Config {w argList} {
+
+ # 1: the configuration specs
+ #
+ set specs {
+ {-command "" "" ""}
+ {-multiple "" "" "0"}
+ }
+
+ # 2: parse the arguments
+ #
+ tclParseConfigSpec ::tk::$w $specs "" $argList
+}
+
+# ::tk::IconList_Create --
+#
+# Creates an IconList widget by assembling a canvas widget and a
+# scrollbar widget. Sets all the bindings necessary for the IconList's
+# operations.
+#
+proc ::tk::IconList_Create {w} {
+ upvar ::tk::$w data
+
+ frame $w
+ set data(sbar) [scrollbar $w.sbar -orient horizontal \
+ -highlightthickness 0 -takefocus 0]
+ set data(canvas) [canvas $w.canvas -bd 2 -relief sunken \
+ -width 400 -height 120 -takefocus 1]
+ pack $data(sbar) -side bottom -fill x -padx 2
+ pack $data(canvas) -expand yes -fill both
+
+ $data(sbar) config -command [list $data(canvas) xview]
+ $data(canvas) config -xscrollcommand [list $data(sbar) set]
+
+ # Initializes the max icon/text width and height and other variables
+ #
+ set data(maxIW) 1
+ set data(maxIH) 1
+ set data(maxTW) 1
+ set data(maxTH) 1
+ set data(numItems) 0
+ set data(curItem) {}
+ set data(noScroll) 1
+ set data(selection) {}
+ set data(index,anchor) ""
+
+ # Creates the event bindings.
+ #
+ bind $data(canvas) <Configure> [list tk::IconList_Arrange $w]
+
+ bind $data(canvas) <1> [list tk::IconList_Btn1 $w %x %y]
+ bind $data(canvas) <B1-Motion> [list tk::IconList_Motion1 $w %x %y]
+ bind $data(canvas) <B1-Leave> [list tk::IconList_Leave1 $w %x %y]
+ bind $data(canvas) <Control-1> [list tk::IconList_CtrlBtn1 $w %x %y]
+ bind $data(canvas) <Shift-1> [list tk::IconList_ShiftBtn1 $w %x %y]
+ bind $data(canvas) <B1-Enter> [list tk::CancelRepeat]
+ bind $data(canvas) <ButtonRelease-1> [list tk::CancelRepeat]
+ bind $data(canvas) <Double-ButtonRelease-1> \
+ [list tk::IconList_Double1 $w %x %y]
+
+ bind $data(canvas) <Up> [list tk::IconList_UpDown $w -1]
+ bind $data(canvas) <Down> [list tk::IconList_UpDown $w 1]
+ bind $data(canvas) <Left> [list tk::IconList_LeftRight $w -1]
+ bind $data(canvas) <Right> [list tk::IconList_LeftRight $w 1]
+ bind $data(canvas) <Return> [list tk::IconList_ReturnKey $w]
+ bind $data(canvas) <KeyPress> [list tk::IconList_KeyPress $w %A]
+ bind $data(canvas) <Control-KeyPress> ";"
+ bind $data(canvas) <Alt-KeyPress> ";"
+
+ bind $data(canvas) <FocusIn> [list tk::IconList_FocusIn $w]
+ bind $data(canvas) <FocusOut> [list tk::IconList_FocusOut $w]
+
+ return $w
+}
+
+# ::tk::IconList_AutoScan --
+#
+# This procedure is invoked when the mouse leaves an entry window
+# with button 1 down. It scrolls the window up, down, left, or
+# right, depending on where the mouse left the window, and reschedules
+# itself as an "after" command so that the window continues to scroll until
+# the mouse moves back into the window or the mouse button is released.
+#
+# Arguments:
+# w - The IconList window.
+#
+proc ::tk::IconList_AutoScan {w} {
+ upvar ::tk::$w data
+ variable ::tk::Priv
+
+ if {![winfo exists $w]} return
+ set x $Priv(x)
+ set y $Priv(y)
+
+ if {$data(noScroll)} {
+ return
+ }
+ if {$x >= [winfo width $data(canvas)]} {
+ $data(canvas) xview scroll 1 units
+ } elseif {$x < 0} {
+ $data(canvas) xview scroll -1 units
+ } elseif {$y >= [winfo height $data(canvas)]} {
+ # do nothing
+ } elseif {$y < 0} {
+ # do nothing
+ } else {
+ return
+ }
+
+ IconList_Motion1 $w $x $y
+ set Priv(afterId) [after 50 [list tk::IconList_AutoScan $w]]
+}
+
+# Deletes all the items inside the canvas subwidget and reset the IconList's
+# state.
+#
+proc ::tk::IconList_DeleteAll {w} {
+ upvar ::tk::$w data
+ upvar ::tk::$w:itemList itemList
+
+ $data(canvas) delete all
+ catch {unset data(selected)}
+ catch {unset data(rect)}
+ catch {unset data(list)}
+ catch {unset itemList}
+ set data(maxIW) 1
+ set data(maxIH) 1
+ set data(maxTW) 1
+ set data(maxTH) 1
+ set data(numItems) 0
+ set data(curItem) {}
+ set data(noScroll) 1
+ set data(selection) {}
+ set data(index,anchor) ""
+ $data(sbar) set 0.0 1.0
+ $data(canvas) xview moveto 0
+}
+
+# Adds an icon into the IconList with the designated image and text
+#
+proc ::tk::IconList_Add {w image items} {
+ upvar ::tk::$w data
+ upvar ::tk::$w:itemList itemList
+ upvar ::tk::$w:textList textList
+
+ foreach text $items {
+ set iTag [$data(canvas) create image 0 0 -image $image -anchor nw \
+ -tags [list icon $data(numItems) item$data(numItems)]]
+ set tTag [$data(canvas) create text 0 0 -text $text -anchor nw \
+ -font $data(font) \
+ -tags [list text $data(numItems) item$data(numItems)]]
+ set rTag [$data(canvas) create rect 0 0 0 0 -fill "" -outline "" \
+ -tags [list rect $data(numItems) item$data(numItems)]]
+
+ foreach {x1 y1 x2 y2} [$data(canvas) bbox $iTag] {
+ break
+ }
+ set iW [expr {$x2 - $x1}]
+ set iH [expr {$y2 - $y1}]
+ if {$data(maxIW) < $iW} {
+ set data(maxIW) $iW
+ }
+ if {$data(maxIH) < $iH} {
+ set data(maxIH) $iH
+ }
+
+ foreach {x1 y1 x2 y2} [$data(canvas) bbox $tTag] {
+ break
+ }
+ set tW [expr {$x2 - $x1}]
+ set tH [expr {$y2 - $y1}]
+ if {$data(maxTW) < $tW} {
+ set data(maxTW) $tW
+ }
+ if {$data(maxTH) < $tH} {
+ set data(maxTH) $tH
+ }
+
+ lappend data(list) [list $iTag $tTag $rTag $iW $iH $tW \
+ $tH $data(numItems)]
+ set itemList($rTag) [list $iTag $tTag $text $data(numItems)]
+ set textList($data(numItems)) [string tolower $text]
+ incr data(numItems)
+ }
+}
+
+# Places the icons in a column-major arrangement.
+#
+proc ::tk::IconList_Arrange {w} {
+ upvar ::tk::$w data
+
+ if {![info exists data(list)]} {
+ if {[info exists data(canvas)] && [winfo exists $data(canvas)]} {
+ set data(noScroll) 1
+ $data(sbar) config -command ""
+ }
+ return
+ }
+
+ set W [winfo width $data(canvas)]
+ set H [winfo height $data(canvas)]
+ set pad [expr {[$data(canvas) cget -highlightthickness] + \
+ [$data(canvas) cget -bd]}]
+ if {$pad < 2} {
+ set pad 2
+ }
+
+ incr W -[expr {$pad*2}]
+ incr H -[expr {$pad*2}]
+
+ set dx [expr {$data(maxIW) + $data(maxTW) + 8}]
+ if {$data(maxTH) > $data(maxIH)} {
+ set dy $data(maxTH)
+ } else {
+ set dy $data(maxIH)
+ }
+ incr dy 2
+ set shift [expr {$data(maxIW) + 4}]
+
+ set x [expr {$pad * 2}]
+ set y [expr {$pad * 1}] ; # Why * 1 ?
+ set usedColumn 0
+ foreach sublist $data(list) {
+ set usedColumn 1
+ foreach {iTag tTag rTag iW iH tW tH} $sublist {
+ break
+ }
+
+ set i_dy [expr {($dy - $iH)/2}]
+ set t_dy [expr {($dy - $tH)/2}]
+
+ $data(canvas) coords $iTag $x [expr {$y + $i_dy}]
+ $data(canvas) coords $tTag [expr {$x + $shift}] [expr {$y + $t_dy}]
+ $data(canvas) coords $rTag $x $y [expr {$x+$dx}] [expr {$y+$dy}]
+
+ incr y $dy
+ if {($y + $dy) > $H} {
+ set y [expr {$pad * 1}] ; # *1 ?
+ incr x $dx
+ set usedColumn 0
+ }
+ }
+
+ if {$usedColumn} {
+ set sW [expr {$x + $dx}]
+ } else {
+ set sW $x
+ }
+
+ if {$sW < $W} {
+ $data(canvas) config -scrollregion [list $pad $pad $sW $H]
+ $data(sbar) config -command ""
+ $data(canvas) xview moveto 0
+ set data(noScroll) 1
+ } else {
+ $data(canvas) config -scrollregion [list $pad $pad $sW $H]
+ $data(sbar) config -command [list $data(canvas) xview]
+ set data(noScroll) 0
+ }
+
+ set data(itemsPerColumn) [expr {($H-$pad)/$dy}]
+ if {$data(itemsPerColumn) < 1} {
+ set data(itemsPerColumn) 1
+ }
+
+ if {$data(curItem) != ""} {
+ IconList_Select $w [lindex [lindex $data(list) $data(curItem)] 2] 0
+ }
+}
+
+# Gets called when the user invokes the IconList (usually by double-clicking
+# or pressing the Return key).
+#
+proc ::tk::IconList_Invoke {w} {
+ upvar ::tk::$w data
+
+ if {$data(-command) != "" && [llength $data(selection)]} {
+ uplevel #0 $data(-command)
+ }
+}
+
+# ::tk::IconList_See --
+#
+# If the item is not (completely) visible, scroll the canvas so that
+# it becomes visible.
+proc ::tk::IconList_See {w rTag} {
+ upvar ::tk::$w data
+ upvar ::tk::$w:itemList itemList
+
+ if {$data(noScroll)} {
+ return
+ }
+ set sRegion [$data(canvas) cget -scrollregion]
+ if {[string equal $sRegion {}]} {
+ return
+ }
+
+ if { $rTag < 0 || $rTag >= [llength $data(list)] } {
+ return
+ }
+
+ set bbox [$data(canvas) bbox item$rTag]
+ set pad [expr {[$data(canvas) cget -highlightthickness] + \
+ [$data(canvas) cget -bd]}]
+
+ set x1 [lindex $bbox 0]
+ set x2 [lindex $bbox 2]
+ incr x1 -[expr {$pad * 2}]
+ incr x2 -[expr {$pad * 1}] ; # *1 ?
+
+ set cW [expr {[winfo width $data(canvas)] - $pad*2}]
+
+ set scrollW [expr {[lindex $sRegion 2]-[lindex $sRegion 0]+1}]
+ set dispX [expr {int([lindex [$data(canvas) xview] 0]*$scrollW)}]
+ set oldDispX $dispX
+
+ # check if out of the right edge
+ #
+ if {($x2 - $dispX) >= $cW} {
+ set dispX [expr {$x2 - $cW}]
+ }
+ # check if out of the left edge
+ #
+ if {($x1 - $dispX) < 0} {
+ set dispX $x1
+ }
+
+ if {$oldDispX != $dispX} {
+ set fraction [expr {double($dispX)/double($scrollW)}]
+ $data(canvas) xview moveto $fraction
+ }
+}
+
+proc ::tk::IconList_Btn1 {w x y} {
+ upvar ::tk::$w data
+
+ focus $data(canvas)
+ set x [expr {int([$data(canvas) canvasx $x])}]
+ set y [expr {int([$data(canvas) canvasy $y])}]
+ set i [IconList_Index $w @${x},${y}]
+ if {$i==""} return
+ IconList_Selection $w clear 0 end
+ IconList_Selection $w set $i
+ IconList_Selection $w anchor $i
+}
+
+proc ::tk::IconList_CtrlBtn1 {w x y} {
+ upvar ::tk::$w data
+
+ if { $data(-multiple) } {
+ focus $data(canvas)
+ set x [expr {int([$data(canvas) canvasx $x])}]
+ set y [expr {int([$data(canvas) canvasy $y])}]
+ set i [IconList_Index $w @${x},${y}]
+ if {$i==""} return
+ if { [IconList_Selection $w includes $i] } {
+ IconList_Selection $w clear $i
+ } else {
+ IconList_Selection $w set $i
+ IconList_Selection $w anchor $i
+ }
+ }
+}
+
+proc ::tk::IconList_ShiftBtn1 {w x y} {
+ upvar ::tk::$w data
+
+ if { $data(-multiple) } {
+ focus $data(canvas)
+ set x [expr {int([$data(canvas) canvasx $x])}]
+ set y [expr {int([$data(canvas) canvasy $y])}]
+ set i [IconList_Index $w @${x},${y}]
+ if {$i==""} return
+ set a [IconList_Index $w anchor]
+ if { [string equal $a ""] } {
+ set a $i
+ }
+ IconList_Selection $w clear 0 end
+ IconList_Selection $w set $a $i
+ }
+}
+
+# Gets called on button-1 motions
+#
+proc ::tk::IconList_Motion1 {w x y} {
+ upvar ::tk::$w data
+ variable ::tk::Priv
+ set Priv(x) $x
+ set Priv(y) $y
+ set x [expr {int([$data(canvas) canvasx $x])}]
+ set y [expr {int([$data(canvas) canvasy $y])}]
+ set i [IconList_Index $w @${x},${y}]
+ if {$i==""} return
+ IconList_Selection $w clear 0 end
+ IconList_Selection $w set $i
+}
+
+proc ::tk::IconList_Double1 {w x y} {
+ upvar ::tk::$w data
+
+ if {[llength $data(selection)]} {
+ IconList_Invoke $w
+ }
+}
+
+proc ::tk::IconList_ReturnKey {w} {
+ IconList_Invoke $w
+}
+
+proc ::tk::IconList_Leave1 {w x y} {
+ variable ::tk::Priv
+
+ set Priv(x) $x
+ set Priv(y) $y
+ IconList_AutoScan $w
+}
+
+proc ::tk::IconList_FocusIn {w} {
+ upvar ::tk::$w data
+
+ if {![info exists data(list)]} {
+ return
+ }
+
+ if {[llength $data(selection)]} {
+ IconList_DrawSelection $w
+ }
+}
+
+proc ::tk::IconList_FocusOut {w} {
+ IconList_Selection $w clear 0 end
+}
+
+# ::tk::IconList_UpDown --
+#
+# Moves the active element up or down by one element
+#
+# Arguments:
+# w - The IconList widget.
+# amount - +1 to move down one item, -1 to move back one item.
+#
+proc ::tk::IconList_UpDown {w amount} {
+ upvar ::tk::$w data
+
+ if {![info exists data(list)]} {
+ return
+ }
+
+ set curr [tk::IconList_Curselection $w]
+ if { [llength $curr] == 0 } {
+ set i 0
+ } else {
+ set i [tk::IconList_Index $w anchor]
+ if {$i==""} return
+ incr i $amount
+ }
+ IconList_Selection $w clear 0 end
+ IconList_Selection $w set $i
+ IconList_Selection $w anchor $i
+ IconList_See $w $i
+}
+
+# ::tk::IconList_LeftRight --
+#
+# Moves the active element left or right by one column
+#
+# Arguments:
+# w - The IconList widget.
+# amount - +1 to move right one column, -1 to move left one column.
+#
+proc ::tk::IconList_LeftRight {w amount} {
+ upvar ::tk::$w data
+
+ if {![info exists data(list)]} {
+ return
+ }
+
+ set curr [IconList_Curselection $w]
+ if { [llength $curr] == 0 } {
+ set i 0
+ } else {
+ set i [IconList_Index $w anchor]
+ if {$i==""} return
+ incr i [expr {$amount*$data(itemsPerColumn)}]
+ }
+ IconList_Selection $w clear 0 end
+ IconList_Selection $w set $i
+ IconList_Selection $w anchor $i
+ IconList_See $w $i
+}
+
+#----------------------------------------------------------------------
+# Accelerator key bindings
+#----------------------------------------------------------------------
+
+# ::tk::IconList_KeyPress --
+#
+# Gets called when user enters an arbitrary key in the listbox.
+#
+proc ::tk::IconList_KeyPress {w key} {
+ variable ::tk::Priv
+
+ append Priv(ILAccel,$w) $key
+ IconList_Goto $w $Priv(ILAccel,$w)
+ catch {
+ after cancel $Priv(ILAccel,$w,afterId)
+ }
+ set Priv(ILAccel,$w,afterId) [after 500 [list tk::IconList_Reset $w]]
+}
+
+proc ::tk::IconList_Goto {w text} {
+ upvar ::tk::$w data
+ upvar ::tk::$w:textList textList
+
+ if {![info exists data(list)]} {
+ return
+ }
+
+ if {[string equal {} $text]} {
+ return
+ }
+
+ if {$data(curItem) == "" || $data(curItem) == 0} {
+ set start 0
+ } else {
+ set start $data(curItem)
+ }
+
+ set text [string tolower $text]
+ set theIndex -1
+ set less 0
+ set len [string length $text]
+ set len0 [expr {$len-1}]
+ set i $start
+
+ # Search forward until we find a filename whose prefix is an exact match
+ # with $text
+ while {1} {
+ set sub [string range $textList($i) 0 $len0]
+ if {[string equal $text $sub]} {
+ set theIndex $i
+ break
+ }
+ incr i
+ if {$i == $data(numItems)} {
+ set i 0
+ }
+ if {$i == $start} {
+ break
+ }
+ }
+
+ if {$theIndex > -1} {
+ IconList_Selection $w clear 0 end
+ IconList_Selection $w set $theIndex
+ IconList_Selection $w anchor $theIndex
+ IconList_See $w $theIndex
+ }
+}
+
+proc ::tk::IconList_Reset {w} {
+ variable ::tk::Priv
+
+ catch {unset Priv(ILAccel,$w)}
+}
+
+#----------------------------------------------------------------------
+#
+# F I L E D I A L O G
+#
+#----------------------------------------------------------------------
+
+namespace eval ::tk::dialog {}
+namespace eval ::tk::dialog::file {
+ namespace import ::tk::msgcat::*
+}
+
+# ::tk::dialog::file:: --
+#
+# Implements the TK file selection dialog. This dialog is used when
+# the tk_strictMotif flag is set to false. This procedure shouldn't
+# be called directly. Call tk_getOpenFile or tk_getSaveFile instead.
+#
+# Arguments:
+# type "open" or "save"
+# args Options parsed by the procedure.
+#
+
+proc ::tk::dialog::file:: {type args} {
+ variable ::tk::Priv
+ set dataName __tk_filedialog
+ upvar ::tk::dialog::file::$dataName data
+
+ ::tk::dialog::file::Config $dataName $type $args
+
+ if {[string equal $data(-parent) .]} {
+ set w .$dataName
+ } else {
+ set w $data(-parent).$dataName
+ }
+
+ # (re)create the dialog box if necessary
+ #
+ if {![winfo exists $w]} {
+ ::tk::dialog::file::Create $w TkFDialog
+ } elseif {[string compare [winfo class $w] TkFDialog]} {
+ destroy $w
+ ::tk::dialog::file::Create $w TkFDialog
+ } else {
+ set data(dirMenuBtn) $w.f1.menu
+ set data(dirMenu) $w.f1.menu.menu
+ set data(upBtn) $w.f1.up
+ set data(icons) $w.icons
+ set data(ent) $w.f2.ent
+ set data(typeMenuLab) $w.f3.lab
+ set data(typeMenuBtn) $w.f3.menu
+ set data(typeMenu) $data(typeMenuBtn).m
+ set data(okBtn) $w.f2.ok
+ set data(cancelBtn) $w.f3.cancel
+ ::tk::dialog::file::SetSelectMode $w $data(-multiple)
+ }
+
+ # Dialog boxes should be transient with respect to their parent,
+ # so that they will always stay on top of their parent window. However,
+ # some window managers will create the window as withdrawn if the parent
+ # window is withdrawn or iconified. Combined with the grab we put on the
+ # window, this can hang the entire application. Therefore we only make
+ # the dialog transient if the parent is viewable.
+
+ if {[winfo viewable [winfo toplevel $data(-parent)]] } {
+ wm transient $w $data(-parent)
+ }
+
+ # Add traces on the selectPath variable
+ #
+
+ trace variable data(selectPath) w "::tk::dialog::file::SetPath $w"
+ $data(dirMenuBtn) configure \
+ -textvariable ::tk::dialog::file::${dataName}(selectPath)
+
+ # Initialize the file types menu
+ #
+ if {[llength $data(-filetypes)]} {
+ $data(typeMenu) delete 0 end
+ foreach type $data(-filetypes) {
+ set title [lindex $type 0]
+ set filter [lindex $type 1]
+ $data(typeMenu) add command -label $title \
+ -command [list ::tk::dialog::file::SetFilter $w $type]
+ }
+ ::tk::dialog::file::SetFilter $w [lindex $data(-filetypes) 0]
+ $data(typeMenuBtn) config -state normal
+ $data(typeMenuLab) config -state normal
+ } else {
+ set data(filter) "*"
+ $data(typeMenuBtn) config -state disabled -takefocus 0
+ $data(typeMenuLab) config -state disabled
+ }
+ ::tk::dialog::file::UpdateWhenIdle $w
+
+ # Withdraw the window, then update all the geometry information
+ # so we know how big it wants to be, then center the window in the
+ # display and de-iconify it.
+
+ ::tk::PlaceWindow $w widget $data(-parent)
+ wm title $w $data(-title)
+
+ # Set a grab and claim the focus too.
+
+ ::tk::SetFocusGrab $w $data(ent)
+ $data(ent) delete 0 end
+ $data(ent) insert 0 $data(selectFile)
+ $data(ent) selection range 0 end
+ $data(ent) icursor end
+
+ # Wait for the user to respond, then restore the focus and
+ # return the index of the selected button. Restore the focus
+ # before deleting the window, since otherwise the window manager
+ # may take the focus away so we can't redirect it. Finally,
+ # restore any grab that was in effect.
+
+ vwait ::tk::Priv(selectFilePath)
+
+ ::tk::RestoreFocusGrab $w $data(ent) withdraw
+
+ # Cleanup traces on selectPath variable
+ #
+
+ foreach trace [trace vinfo data(selectPath)] {
+ trace vdelete data(selectPath) [lindex $trace 0] [lindex $trace 1]
+ }
+ $data(dirMenuBtn) configure -textvariable {}
+
+ return $Priv(selectFilePath)
+}
+
+# ::tk::dialog::file::Config --
+#
+# Configures the TK filedialog according to the argument list
+#
+proc ::tk::dialog::file::Config {dataName type argList} {
+ upvar ::tk::dialog::file::$dataName data
+
+ set data(type) $type
+
+ # 0: Delete all variable that were set on data(selectPath) the
+ # last time the file dialog is used. The traces may cause troubles
+ # if the dialog is now used with a different -parent option.
+
+ foreach trace [trace vinfo data(selectPath)] {
+ trace vdelete data(selectPath) [lindex $trace 0] [lindex $trace 1]
+ }
+
+ # 1: the configuration specs
+ #
+ set specs {
+ {-defaultextension "" "" ""}
+ {-filetypes "" "" ""}
+ {-initialdir "" "" ""}
+ {-initialfile "" "" ""}
+ {-parent "" "" "."}
+ {-title "" "" ""}
+ }
+
+ # The "-multiple" option is only available for the "open" file dialog.
+ #
+ if { [string equal $type "open"] } {
+ lappend specs {-multiple "" "" "0"}
+ }
+
+ # 2: default values depending on the type of the dialog
+ #
+ if {![info exists data(selectPath)]} {
+ # first time the dialog has been popped up
+ set data(selectPath) [pwd]
+ set data(selectFile) ""
+ }
+
+ # 3: parse the arguments
+ #
+ tclParseConfigSpec ::tk::dialog::file::$dataName $specs "" $argList
+
+ if {$data(-title) == ""} {
+ if {[string equal $type "open"]} {
+ set data(-title) "[mc "Open"]"
+ } else {
+ set data(-title) "[mc "Save As"]"
+ }
+ }
+
+ # 4: set the default directory and selection according to the -initial
+ # settings
+ #
+ if {$data(-initialdir) != ""} {
+ # Ensure that initialdir is an absolute path name.
+ if {[file isdirectory $data(-initialdir)]} {
+ set old [pwd]
+ cd $data(-initialdir)
+ set data(selectPath) [pwd]
+ cd $old
+ } else {
+ set data(selectPath) [pwd]
+ }
+ }
+ set data(selectFile) $data(-initialfile)
+
+ # 5. Parse the -filetypes option
+ #
+ set data(-filetypes) [::tk::FDGetFileTypes $data(-filetypes)]
+
+ if {![winfo exists $data(-parent)]} {
+ error "bad window path name \"$data(-parent)\""
+ }
+
+ # Set -multiple to a one or zero value (not other boolean types
+ # like "yes") so we can use it in tests more easily.
+ if {![string compare $type save]} {
+ set data(-multiple) 0
+ } elseif {$data(-multiple)} {
+ set data(-multiple) 1
+ } else {
+ set data(-multiple) 0
+ }
+}
+
+proc ::tk::dialog::file::Create {w class} {
+ set dataName [lindex [split $w .] end]
+ upvar ::tk::dialog::file::$dataName data
+ variable ::tk::Priv
+ global tk_library
+
+ toplevel $w -class $class
+
+ # f1: the frame with the directory option menu
+ #
+ set f1 [frame $w.f1]
+ bind [::tk::AmpWidget label $f1.lab -text "[mc "&Directory:"]" ] \
+ <<AltUnderlined>> [list focus $f1.menu]
+
+ set data(dirMenuBtn) $f1.menu
+ set data(dirMenu) [tk_optionMenu $f1.menu [format %s(selectPath) ::tk::dialog::file::$dataName] ""]
+ set data(upBtn) [button $f1.up]
+ if {![info exists Priv(updirImage)]} {
+ set Priv(updirImage) [image create bitmap -data {
+#define updir_width 28
+#define updir_height 16
+static char updir_bits[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x80, 0x1f, 0x00, 0x00, 0x40, 0x20, 0x00, 0x00,
+ 0x20, 0x40, 0x00, 0x00, 0xf0, 0xff, 0xff, 0x01, 0x10, 0x00, 0x00, 0x01,
+ 0x10, 0x02, 0x00, 0x01, 0x10, 0x07, 0x00, 0x01, 0x90, 0x0f, 0x00, 0x01,
+ 0x10, 0x02, 0x00, 0x01, 0x10, 0x02, 0x00, 0x01, 0x10, 0x02, 0x00, 0x01,
+ 0x10, 0xfe, 0x07, 0x01, 0x10, 0x00, 0x00, 0x01, 0x10, 0x00, 0x00, 0x01,
+ 0xf0, 0xff, 0xff, 0x01};}]
+ }
+ $data(upBtn) config -image $Priv(updirImage)
+
+ $f1.menu config -takefocus 1 -highlightthickness 2
+
+ pack $data(upBtn) -side right -padx 4 -fill both
+ pack $f1.lab -side left -padx 4 -fill both
+ pack $f1.menu -expand yes -fill both -padx 4
+
+ # data(icons): the IconList that list the files and directories.
+ #
+ if { [string equal $class TkFDialog] } {
+ if { $data(-multiple) } {
+ set fNameCaption "[mc {File &names:}]"
+ } else {
+ set fNameCaption "[mc {File &name:}]"
+ }
+ set fTypeCaption [mc "Files of &type:"]
+ set fCaptionWidth [::tk::mcmaxamp $fNameCaption $fTypeCaption]
+ set fCaptionWidth [expr {$fCaptionWidth<14?14:$fCaptionWidth}]
+ set iconListCommand [list ::tk::dialog::file::OkCmd $w]
+ } else {
+ set fNameCaption [mc "&Selection:"]
+ set fCaptionWidth [string length $fNameCaption]
+ set iconListCommand [list ::tk::dialog::file::chooseDir::DblClick $w]
+ }
+ set data(icons) [::tk::IconList $w.icons \
+ -command $iconListCommand \
+ -multiple $data(-multiple)]
+ bind $data(icons) <<ListboxSelect>> \
+ [list ::tk::dialog::file::ListBrowse $w]
+
+ # f2: the frame with the OK button and the "file name" field
+ #
+ set f2 [frame $w.f2 -bd 0]
+ bind [::tk::AmpWidget label $f2.lab -text $fNameCaption -anchor e -width $fCaptionWidth \
+ -pady 0] <<AltUnderlined>> [list focus $f2.ent]
+ set data(ent) [entry $f2.ent]
+
+ # The font to use for the icons. The default Canvas font on Unix
+ # is just deviant.
+ set ::tk::$w.icons(font) [$data(ent) cget -font]
+
+ # f3: the frame with the cancel button and the file types field
+ #
+ set f3 [frame $w.f3 -bd 0]
+
+ # Make the file types bits only if this is a File Dialog
+ if { [string equal $class TkFDialog] } {
+ # The "File of types:" label needs to be grayed-out when
+ # -filetypes are not specified. The label widget does not support
+ # grayed-out text on monochrome displays. Therefore, we have to
+ # use a button widget to emulate a label widget (by setting its
+ # bindtags)
+
+ set data(typeMenuLab) [::tk::AmpWidget button $f3.lab -text $fTypeCaption \
+ -anchor e -width $fCaptionWidth \
+ -bd [$f2.lab cget -bd] \
+ -highlightthickness [$f2.lab cget -highlightthickness] \
+ -relief [$f2.lab cget -relief] \
+ -padx [$f2.lab cget -padx] \
+ -pady [$f2.lab cget -pady]]
+ bindtags $data(typeMenuLab) [list $data(typeMenuLab) Label \
+ [winfo toplevel $data(typeMenuLab)] all]
+ set data(typeMenuBtn) [menubutton $f3.menu -indicatoron 1 \
+ -menu $f3.menu.m]
+ set data(typeMenu) [menu $data(typeMenuBtn).m -tearoff 0]
+ $data(typeMenuBtn) config -takefocus 1 -highlightthickness 2 \
+ -relief raised -bd 2 -anchor w
+ bind $data(typeMenuLab) <<AltUnderlined>> [list focus \
+ $data(typeMenuBtn)]
+ }
+
+ # the okBtn is created after the typeMenu so that the keyboard traversal
+ # is in the right order
+ set maxWidth [::tk::mcmaxamp &OK &Cancel]
+ set maxWidth [expr {$maxWidth<6?6:$maxWidth}]
+ set data(okBtn) [::tk::AmpWidget button $f2.ok -text "[mc "&OK"]" \
+ -width $maxWidth -default active -pady 3]
+ set data(cancelBtn) [::tk::AmpWidget button $f3.cancel -text "[mc "&Cancel"]" \
+ -width $maxWidth -default normal -pady 3]
+
+ # pack the widgets in f2 and f3
+ #
+ pack $data(okBtn) -side right -padx 4 -anchor e
+ pack $f2.lab -side left -padx 4
+ pack $f2.ent -expand yes -fill x -padx 2 -pady 0
+
+ pack $data(cancelBtn) -side right -padx 4 -anchor w
+ if { [string equal $class TkFDialog] } {
+ pack $data(typeMenuLab) -side left -padx 4
+ pack $data(typeMenuBtn) -expand yes -fill x -side right
+ }
+
+ # Pack all the frames together. We are done with widget construction.
+ #
+ pack $f1 -side top -fill x -pady 4
+ pack $f3 -side bottom -fill x
+ pack $f2 -side bottom -fill x
+ pack $data(icons) -expand yes -fill both -padx 4 -pady 1
+
+ # Set up the event handlers that are common to Directory and File Dialogs
+ #
+
+ wm protocol $w WM_DELETE_WINDOW [list ::tk::dialog::file::CancelCmd $w]
+ $data(upBtn) config -command [list ::tk::dialog::file::UpDirCmd $w]
+ $data(cancelBtn) config -command [list ::tk::dialog::file::CancelCmd $w]
+ bind $w <KeyPress-Escape> [list tk::ButtonInvoke $data(cancelBtn)]
+ bind $w <Alt-Key> [list tk::AltKeyInDialog $w %A]
+ # Set up event handlers specific to File or Directory Dialogs
+ #
+
+ if { [string equal $class TkFDialog] } {
+ bind $data(ent) <Return> [list ::tk::dialog::file::ActivateEnt $w]
+ $data(okBtn) config -command [list ::tk::dialog::file::OkCmd $w]
+ bind $w <Alt-t> [format {
+ if {[string equal [%s cget -state] "normal"]} {
+ focus %s
+ }
+ } $data(typeMenuBtn) $data(typeMenuBtn)]
+ } else {
+ set okCmd [list ::tk::dialog::file::chooseDir::OkCmd $w]
+ bind $data(ent) <Return> $okCmd
+ $data(okBtn) config -command $okCmd
+ bind $w <Alt-s> [list focus $data(ent)]
+ bind $w <Alt-o> [list tk::ButtonInvoke $data(okBtn)]
+ }
+
+ # Build the focus group for all the entries
+ #
+ ::tk::FocusGroup_Create $w
+ ::tk::FocusGroup_BindIn $w $data(ent) [list ::tk::dialog::file::EntFocusIn $w]
+ ::tk::FocusGroup_BindOut $w $data(ent) [list ::tk::dialog::file::EntFocusOut $w]
+}
+
+# ::tk::dialog::file::SetSelectMode --
+#
+# Set the select mode of the dialog to single select or multi-select.
+#
+# Arguments:
+# w The dialog path.
+# multi 1 if the dialog is multi-select; 0 otherwise.
+#
+# Results:
+# None.
+
+proc ::tk::dialog::file::SetSelectMode {w multi} {
+ set dataName __tk_filedialog
+ upvar ::tk::dialog::file::$dataName data
+ if { $multi } {
+ set fNameCaption "[mc {File &names:}]"
+ } else {
+ set fNameCaption "[mc {File &name:}]"
+ }
+ set iconListCommand [list ::tk::dialog::file::OkCmd $w]
+ ::tk::SetAmpText $w.f2.lab $fNameCaption
+ ::tk::IconList_Config $data(icons) \
+ [list -multiple $multi -command $iconListCommand]
+ return
+}
+
+# ::tk::dialog::file::UpdateWhenIdle --
+#
+# Creates an idle event handler which updates the dialog in idle
+# time. This is important because loading the directory may take a long
+# time and we don't want to load the same directory for multiple times
+# due to multiple concurrent events.
+#
+proc ::tk::dialog::file::UpdateWhenIdle {w} {
+ upvar ::tk::dialog::file::[winfo name $w] data
+
+ if {[info exists data(updateId)]} {
+ return
+ } else {
+ set data(updateId) [after idle [list ::tk::dialog::file::Update $w]]
+ }
+}
+
+# ::tk::dialog::file::Update --
+#
+# Loads the files and directories into the IconList widget. Also
+# sets up the directory option menu for quick access to parent
+# directories.
+#
+proc ::tk::dialog::file::Update {w} {
+
+ # This proc may be called within an idle handler. Make sure that the
+ # window has not been destroyed before this proc is called
+ if {![winfo exists $w]} {
+ return
+ }
+ set class [winfo class $w]
+ if { [string compare $class TkFDialog] && \
+ [string compare $class TkChooseDir] } {
+ return
+ }
+
+ set dataName [winfo name $w]
+ upvar ::tk::dialog::file::$dataName data
+ variable ::tk::Priv
+ global tk_library
+ catch {unset data(updateId)}
+
+ if {![info exists Priv(folderImage)]} {
+ set Priv(folderImage) [image create photo -data {
+R0lGODlhEAAMAKEAAAD//wAAAPD/gAAAACH5BAEAAAAALAAAAAAQAAwAAAIghINhyycvVFsB
+QtmS3rjaH1Hg141WaT5ouprt2HHcUgAAOw==}]
+ set Priv(fileImage) [image create photo -data {
+R0lGODlhDAAMAKEAALLA3AAAAP//8wAAACH5BAEAAAAALAAAAAAMAAwAAAIgRI4Ha+IfWHsO
+rSASvJTGhnhcV3EJlo3kh53ltF5nAhQAOw==}]
+ }
+ set folder $Priv(folderImage)
+ set file $Priv(fileImage)
+
+ set appPWD [pwd]
+ if {[catch {
+ cd $data(selectPath)
+ }]} {
+ # We cannot change directory to $data(selectPath). $data(selectPath)
+ # should have been checked before ::tk::dialog::file::Update is called, so
+ # we normally won't come to here. Anyways, give an error and abort
+ # action.
+ tk_messageBox -type ok -parent $w -message \
+ "[mc "Cannot change to the directory \"%1\$s\".\nPermission denied." $data(selectPath)]"\
+ -icon warning
+ cd $appPWD
+ return
+ }
+
+ # Turn on the busy cursor. BUG?? We haven't disabled X events, though,
+ # so the user may still click and cause havoc ...
+ #
+ set entCursor [$data(ent) cget -cursor]
+ set dlgCursor [$w cget -cursor]
+ $data(ent) config -cursor watch
+ $w config -cursor watch
+ update idletasks
+
+ ::tk::IconList_DeleteAll $data(icons)
+
+ # Make the dir list
+ #
+ set completeFileList [lsort -dictionary -unique [glob -nocomplain .* *]]
+ set dirList {}
+ foreach f $completeFileList {
+ if {[string equal $f .]} {
+ continue
+ }
+ if {[string equal $f ..]} {
+ continue
+ }
+ if {[file isdir ./$f]} {
+ lappend dirList $f
+ }
+ }
+ ::tk::IconList_Add $data(icons) $folder $dirList
+ if { [string equal $class TkFDialog] } {
+ # Make the file list if this is a File Dialog
+ #
+ if {[string equal $data(filter) *]} {
+ set files $completeFileList
+ } else {
+ set files {}
+ foreach f $completeFileList {
+ foreach pat $data(filter) {
+ if { [string match $pat $f] } {
+ lappend files $f
+ break
+ }
+ }
+ }
+ }
+ set fileList {}
+ foreach f $files {
+ if {![file isdir ./$f]} {
+ lappend fileList $f
+ }
+ }
+ ::tk::IconList_Add $data(icons) $file $fileList
+ }
+
+ ::tk::IconList_Arrange $data(icons)
+
+ # Update the Directory: option menu
+ #
+ set list ""
+ set dir ""
+ foreach subdir [file split $data(selectPath)] {
+ set dir [file join $dir $subdir]
+ lappend list $dir
+ }
+
+ $data(dirMenu) delete 0 end
+ set var [format %s(selectPath) ::tk::dialog::file::$dataName]
+ foreach path $list {
+ $data(dirMenu) add command -label $path -command [list set $var $path]
+ }
+
+ # Restore the PWD to the application's PWD
+ #
+ cd $appPWD
+
+ if { [string equal $class TkFDialog] } {
+ # Restore the Open/Save Button if this is a File Dialog
+ #
+ if {[string equal $data(type) open]} {
+ ::tk::SetAmpText $data(okBtn) [mc "&Open"]
+ set maxWidth [::tk::mcmaxamp [mc "&Open"]]
+ if {$maxWidth>[$data(okBtn) cget -width]} {
+ $data(okBtn) config -width $maxWidth
+ $data(cancelBtn) config -width $maxWidth
+ }
+ } else {
+ ::tk::SetAmpText $data(okBtn) [mc "&Save"]
+ set maxWidth [::tk::mcmaxamp [mc "&Save"]]
+ if {$maxWidth>[$data(okBtn) cget -width]} {
+ $data(okBtn) config -width $maxWidth
+ $data(cancelBtn) config -width $maxWidth
+ }
+ }
+ }
+
+ # turn off the busy cursor.
+ #
+ $data(ent) config -cursor $entCursor
+ $w config -cursor $dlgCursor
+}
+
+# ::tk::dialog::file::SetPathSilently --
+#
+# Sets data(selectPath) without invoking the trace procedure
+#
+proc ::tk::dialog::file::SetPathSilently {w path} {
+ upvar ::tk::dialog::file::[winfo name $w] data
+
+ trace vdelete data(selectPath) w [list ::tk::dialog::file::SetPath $w]
+ set data(selectPath) $path
+ trace variable data(selectPath) w [list ::tk::dialog::file::SetPath $w]
+}
+
+
+# This proc gets called whenever data(selectPath) is set
+#
+proc ::tk::dialog::file::SetPath {w name1 name2 op} {
+ if {[winfo exists $w]} {
+ upvar ::tk::dialog::file::[winfo name $w] data
+ ::tk::dialog::file::UpdateWhenIdle $w
+ # On directory dialogs, we keep the entry in sync with the currentdir.
+ if { [string equal [winfo class $w] TkChooseDir] } {
+ $data(ent) delete 0 end
+ $data(ent) insert end $data(selectPath)
+ }
+ }
+}
+
+# This proc gets called whenever data(filter) is set
+#
+proc ::tk::dialog::file::SetFilter {w type} {
+ upvar ::tk::dialog::file::[winfo name $w] data
+ upvar ::tk::$data(icons) icons
+
+ set data(filter) [lindex $type 1]
+ $data(typeMenuBtn) config -text [lindex $type 0] -indicatoron 1
+
+ # If we aren't using a default extension, use the one suppled
+ # by the filter.
+ if {![info exists data(extUsed)]} {
+ if {[string length $data(-defaultextension)]} {
+ set data(extUsed) 1
+ } else {
+ set data(extUsed) 0
+ }
+ }
+
+ if {!$data(extUsed)} {
+ # Get the first extension in the list that matches {^\*\.\w+$}
+ # and remove all * from the filter.
+ set index [lsearch -regexp $data(filter) {^\*\.\w+$}]
+ if {$index >= 0} {
+ set data(-defaultextension) \
+ [string trimleft [lindex $data(filter) $index] "*"]
+ } else {
+ # Couldn't find anything! Reset to a safe default...
+ set data(-defaultextension) ""
+ }
+ }
+
+ $icons(sbar) set 0.0 0.0
+
+ ::tk::dialog::file::UpdateWhenIdle $w
+}
+
+# tk::dialog::file::ResolveFile --
+#
+# Interpret the user's text input in a file selection dialog.
+# Performs:
+#
+# (1) ~ substitution
+# (2) resolve all instances of . and ..
+# (3) check for non-existent files/directories
+# (4) check for chdir permissions
+#
+# Arguments:
+# context: the current directory you are in
+# text: the text entered by the user
+# defaultext: the default extension to add to files with no extension
+#
+# Return vaue:
+# [list $flag $directory $file]
+#
+# flag = OK : valid input
+# = PATTERN : valid directory/pattern
+# = PATH : the directory does not exist
+# = FILE : the directory exists by the file doesn't
+# exist
+# = CHDIR : Cannot change to the directory
+# = ERROR : Invalid entry
+#
+# directory : valid only if flag = OK or PATTERN or FILE
+# file : valid only if flag = OK or PATTERN
+#
+# directory may not be the same as context, because text may contain
+# a subdirectory name
+#
+proc ::tk::dialog::file::ResolveFile {context text defaultext} {
+
+ set appPWD [pwd]
+
+ set path [::tk::dialog::file::JoinFile $context $text]
+
+ # If the file has no extension, append the default. Be careful not
+ # to do this for directories, otherwise typing a dirname in the box
+ # will give back "dirname.extension" instead of trying to change dir.
+ if {![file isdirectory $path] && [string equal [file ext $path] ""]} {
+ set path "$path$defaultext"
+ }
+
+
+ if {[catch {file exists $path}]} {
+ # This "if" block can be safely removed if the following code
+ # stop generating errors.
+ #
+ # file exists ~nonsuchuser
+ #
+ return [list ERROR $path ""]
+ }
+
+ if {[file exists $path]} {
+ if {[file isdirectory $path]} {
+ if {[catch {cd $path}]} {
+ return [list CHDIR $path ""]
+ }
+ set directory [pwd]
+ set file ""
+ set flag OK
+ cd $appPWD
+ } else {
+ if {[catch {cd [file dirname $path]}]} {
+ return [list CHDIR [file dirname $path] ""]
+ }
+ set directory [pwd]
+ set file [file tail $path]
+ set flag OK
+ cd $appPWD
+ }
+ } else {
+ set dirname [file dirname $path]
+ if {[file exists $dirname]} {
+ if {[catch {cd $dirname}]} {
+ return [list CHDIR $dirname ""]
+ }
+ set directory [pwd]
+ set file [file tail $path]
+ if {[regexp {[*]|[?]} $file]} {
+ set flag PATTERN
+ } else {
+ set flag FILE
+ }
+ cd $appPWD
+ } else {
+ set directory $dirname
+ set file [file tail $path]
+ set flag PATH
+ }
+ }
+
+ return [list $flag $directory $file]
+}
+
+
+# Gets called when the entry box gets keyboard focus. We clear the selection
+# from the icon list . This way the user can be certain that the input in the
+# entry box is the selection.
+#
+proc ::tk::dialog::file::EntFocusIn {w} {
+ upvar ::tk::dialog::file::[winfo name $w] data
+
+ if {[string compare [$data(ent) get] ""]} {
+ $data(ent) selection range 0 end
+ $data(ent) icursor end
+ } else {
+ $data(ent) selection clear
+ }
+
+ if { [string equal [winfo class $w] TkFDialog] } {
+ # If this is a File Dialog, make sure the buttons are labeled right.
+ if {[string equal $data(type) open]} {
+ ::tk::SetAmpText $data(okBtn) [mc "&Open"]
+ } else {
+ ::tk::SetAmpText $data(okBtn) [mc "&Save"]
+ }
+ }
+}
+
+proc ::tk::dialog::file::EntFocusOut {w} {
+ upvar ::tk::dialog::file::[winfo name $w] data
+
+ $data(ent) selection clear
+}
+
+
+# Gets called when user presses Return in the "File name" entry.
+#
+proc ::tk::dialog::file::ActivateEnt {w} {
+ upvar ::tk::dialog::file::[winfo name $w] data
+
+ set text [$data(ent) get]
+ if {$data(-multiple)} {
+ # For the multiple case we have to be careful to get the file
+ # names as a true list, watching out for a single file with a
+ # space in the name. Thus we query the IconList directly.
+
+ set data(selectFile) ""
+ foreach item [::tk::IconList_Curselection $data(icons)] {
+ ::tk::dialog::file::VerifyFileName $w \
+ [::tk::IconList_Get $data(icons) $item]
+ }
+ } else {
+ ::tk::dialog::file::VerifyFileName $w $text
+ }
+}
+
+# Verification procedure
+#
+proc ::tk::dialog::file::VerifyFileName {w filename} {
+ upvar ::tk::dialog::file::[winfo name $w] data
+
+ set list [::tk::dialog::file::ResolveFile $data(selectPath) $filename \
+ $data(-defaultextension)]
+ foreach {flag path file} $list {
+ break
+ }
+
+ switch -- $flag {
+ OK {
+ if {[string equal $file ""]} {
+ # user has entered an existing (sub)directory
+ set data(selectPath) $path
+ $data(ent) delete 0 end
+ } else {
+ ::tk::dialog::file::SetPathSilently $w $path
+ if {$data(-multiple)} {
+ lappend data(selectFile) $file
+ } else {
+ set data(selectFile) $file
+ }
+ ::tk::dialog::file::Done $w
+ }
+ }
+ PATTERN {
+ set data(selectPath) $path
+ set data(filter) $file
+ }
+ FILE {
+ if {[string equal $data(type) open]} {
+ tk_messageBox -icon warning -type ok -parent $w \
+ -message "[mc "File \"%1\$s\" does not exist." [file join $path $file]]"
+ $data(ent) selection range 0 end
+ $data(ent) icursor end
+ } else {
+ ::tk::dialog::file::SetPathSilently $w $path
+ if {$data(-multiple)} {
+ lappend data(selectFile) $file
+ } else {
+ set data(selectFile) $file
+ }
+ ::tk::dialog::file::Done $w
+ }
+ }
+ PATH {
+ tk_messageBox -icon warning -type ok -parent $w \
+ -message "[mc "Directory \"%1\$s\" does not exist." $path]"
+ $data(ent) selection range 0 end
+ $data(ent) icursor end
+ }
+ CHDIR {
+ tk_messageBox -type ok -parent $w -message \
+ "[mc "Cannot change to the directory \"%1\$s\".\nPermission denied." $path]"\
+ -icon warning
+ $data(ent) selection range 0 end
+ $data(ent) icursor end
+ }
+ ERROR {
+ tk_messageBox -type ok -parent $w -message \
+ "[mc "Invalid file name \"%1\$s\"." $path]"\
+ -icon warning
+ $data(ent) selection range 0 end
+ $data(ent) icursor end
+ }
+ }
+}
+
+# Gets called when user presses the Alt-s or Alt-o keys.
+#
+proc ::tk::dialog::file::InvokeBtn {w key} {
+ upvar ::tk::dialog::file::[winfo name $w] data
+
+ if {[string equal [$data(okBtn) cget -text] $key]} {
+ ::tk::ButtonInvoke $data(okBtn)
+ }
+}
+
+# Gets called when user presses the "parent directory" button
+#
+proc ::tk::dialog::file::UpDirCmd {w} {
+ upvar ::tk::dialog::file::[winfo name $w] data
+
+ if {[string compare $data(selectPath) "/"]} {
+ set data(selectPath) [file dirname $data(selectPath)]
+ }
+}
+
+# Join a file name to a path name. The "file join" command will break
+# if the filename begins with ~
+#
+proc ::tk::dialog::file::JoinFile {path file} {
+ if {[string match {~*} $file] && [file exists $path/$file]} {
+ return [file join $path ./$file]
+ } else {
+ return [file join $path $file]
+ }
+}
+
+# Gets called when user presses the "OK" button
+#
+proc ::tk::dialog::file::OkCmd {w} {
+ upvar ::tk::dialog::file::[winfo name $w] data
+
+ set filenames {}
+ foreach item [::tk::IconList_Curselection $data(icons)] {
+ lappend filenames [::tk::IconList_Get $data(icons) $item]
+ }
+
+ if {([llength $filenames] && !$data(-multiple)) || \
+ ($data(-multiple) && ([llength $filenames] == 1))} {
+ set filename [lindex $filenames 0]
+ set file [::tk::dialog::file::JoinFile $data(selectPath) $filename]
+ if {[file isdirectory $file]} {
+ ::tk::dialog::file::ListInvoke $w [list $filename]
+ return
+ }
+ }
+
+ ::tk::dialog::file::ActivateEnt $w
+}
+
+# Gets called when user presses the "Cancel" button
+#
+proc ::tk::dialog::file::CancelCmd {w} {
+ upvar ::tk::dialog::file::[winfo name $w] data
+ variable ::tk::Priv
+
+ set Priv(selectFilePath) ""
+}
+
+# Gets called when user browses the IconList widget (dragging mouse, arrow
+# keys, etc)
+#
+proc ::tk::dialog::file::ListBrowse {w} {
+ upvar ::tk::dialog::file::[winfo name $w] data
+
+ set text {}
+ foreach item [::tk::IconList_Curselection $data(icons)] {
+ lappend text [::tk::IconList_Get $data(icons) $item]
+ }
+ if {[llength $text] == 0} {
+ return
+ }
+ if { [llength $text] > 1 } {
+ set newtext {}
+ foreach file $text {
+ set fullfile [::tk::dialog::file::JoinFile $data(selectPath) $file]
+ if { ![file isdirectory $fullfile] } {
+ lappend newtext $file
+ }
+ }
+ set text $newtext
+ set isDir 0
+ } else {
+ set text [lindex $text 0]
+ set file [::tk::dialog::file::JoinFile $data(selectPath) $text]
+ set isDir [file isdirectory $file]
+ }
+ if {!$isDir} {
+ $data(ent) delete 0 end
+ $data(ent) insert 0 $text
+
+ if { [string equal [winfo class $w] TkFDialog] } {
+ if {[string equal $data(type) open]} {
+ ::tk::SetAmpText $data(okBtn) [mc "&Open"]
+ } else {
+ ::tk::SetAmpText $data(okBtn) [mc "&Save"]
+ }
+ }
+ } else {
+ if { [string equal [winfo class $w] TkFDialog] } {
+ ::tk::SetAmpText $data(okBtn) [mc "&Open"]
+ }
+ }
+}
+
+# Gets called when user invokes the IconList widget (double-click,
+# Return key, etc)
+#
+proc ::tk::dialog::file::ListInvoke {w filenames} {
+ upvar ::tk::dialog::file::[winfo name $w] data
+
+ if {[llength $filenames] == 0} {
+ return
+ }
+
+ set file [::tk::dialog::file::JoinFile $data(selectPath) \
+ [lindex $filenames 0]]
+
+ set class [winfo class $w]
+ if {[string equal $class TkChooseDir] || [file isdirectory $file]} {
+ set appPWD [pwd]
+ if {[catch {cd $file}]} {
+ tk_messageBox -type ok -parent $w -message \
+ "[mc "Cannot change to the directory \"%1\$s\".\nPermission denied." $file]"\
+ -icon warning
+ } else {
+ cd $appPWD
+ set data(selectPath) $file
+ }
+ } else {
+ if {$data(-multiple)} {
+ set data(selectFile) $filenames
+ } else {
+ set data(selectFile) $file
+ }
+ ::tk::dialog::file::Done $w
+ }
+}
+
+# ::tk::dialog::file::Done --
+#
+# Gets called when user has input a valid filename. Pops up a
+# dialog box to confirm selection when necessary. Sets the
+# tk::Priv(selectFilePath) variable, which will break the "vwait"
+# loop in ::tk::dialog::file:: and return the selected filename to the
+# script that calls tk_getOpenFile or tk_getSaveFile
+#
+proc ::tk::dialog::file::Done {w {selectFilePath ""}} {
+ upvar ::tk::dialog::file::[winfo name $w] data
+ variable ::tk::Priv
+
+ if {[string equal $selectFilePath ""]} {
+ if {$data(-multiple)} {
+ set selectFilePath {}
+ foreach f $data(selectFile) {
+ lappend selectFilePath [::tk::dialog::file::JoinFile \
+ $data(selectPath) $f]
+ }
+ } else {
+ set selectFilePath [::tk::dialog::file::JoinFile \
+ $data(selectPath) $data(selectFile)]
+ }
+
+ set Priv(selectFile) $data(selectFile)
+ set Priv(selectPath) $data(selectPath)
+
+ if {[string equal $data(type) save]} {
+ if {[file exists $selectFilePath]} {
+ set reply [tk_messageBox -icon warning -type yesno\
+ -parent $w -message \
+ "[mc "File \"%1\$s\" already exists.\nDo you want to overwrite it?" $selectFilePath]"]
+ if {[string equal $reply "no"]} {
+ return
+ }
+ }
+ }
+ }
+ set Priv(selectFilePath) $selectFilePath
+}