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# xmfbox.tcl --
#
# Implements the "Motif" style file selection dialog for the
# Unix platform. This implementation is used only if the
# "::tk_strictMotif" flag is set.
#
# RCS: @(#) $Id: xmfbox.tcl,v 1.25.2.3 2006/03/17 10:50:11 patthoyts Exp $
#
# Copyright (c) 1996 Sun Microsystems, Inc.
# Copyright (c) 1998-2000 Scriptics Corporation
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
namespace eval ::tk::dialog {}
namespace eval ::tk::dialog::file {}
# ::tk::MotifFDialog --
#
# Implements a file dialog similar to the standard Motif file
# selection box.
#
# Arguments:
# type "open" or "save"
# args Options parsed by the procedure.
#
# Results:
# When -multiple is set to 0, this returns the absolute pathname
# of the selected file. (NOTE: This is not the same as a single
# element list.)
#
# When -multiple is set to > 0, this returns a Tcl list of absolute
# pathnames. The argument for -multiple is ignored, but for consistency
# with Windows it defines the maximum amount of memory to allocate for
# the returned filenames.
proc ::tk::MotifFDialog {type args} {
variable ::tk::Priv
set dataName __tk_filedialog
upvar ::tk::dialog::file::$dataName data
set w [MotifFDialog_Create $dataName $type $args]
# Set a grab and claim the focus too.
::tk::SetFocusGrab $w $data(sEnt)
$data(sEnt) selection range 0 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)
set result $Priv(selectFilePath)
::tk::RestoreFocusGrab $w $data(sEnt) withdraw
return $result
}
# ::tk::MotifFDialog_Create --
#
# Creates the Motif file dialog (if it doesn't exist yet) and
# initialize the internal data structure associated with the
# dialog.
#
# This procedure is used by ::tk::MotifFDialog to create the
# dialog. It's also used by the test suite to test the Motif
# file dialog implementation. User code shouldn't call this
# procedure directly.
#
# Arguments:
# dataName Name of the global "data" array for the file dialog.
# type "Save" or "Open"
# argList Options parsed by the procedure.
#
# Results:
# Pathname of the file dialog.
proc ::tk::MotifFDialog_Create {dataName type argList} {
upvar ::tk::dialog::file::$dataName data
MotifFDialog_Config $dataName $type $argList
if {$data(-parent) eq "."} {
set w .$dataName
} else {
set w $data(-parent).$dataName
}
# (re)create the dialog box if necessary
#
if {![winfo exists $w]} {
MotifFDialog_BuildUI $w
} elseif {[winfo class $w] ne "TkMotifFDialog"} {
destroy $w
MotifFDialog_BuildUI $w
} else {
set data(fEnt) $w.top.f1.ent
set data(dList) $w.top.f2.a.l
set data(fList) $w.top.f2.b.l
set data(sEnt) $w.top.f3.ent
set data(okBtn) $w.bot.ok
set data(filterBtn) $w.bot.filter
set data(cancelBtn) $w.bot.cancel
}
MotifFDialog_SetListMode $w
# 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)
}
MotifFDialog_FileTypes $w
MotifFDialog_Update $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 (Motif style) and de-iconify it.
::tk::PlaceWindow $w
wm title $w $data(-title)
return $w
}
# ::tk::MotifFDialog_FileTypes --
#
# Checks the -filetypes option. If present this adds a list of radio-
# buttons to pick the file types from.
#
# Arguments:
# w Pathname of the tk_get*File dialogue.
#
# Results:
# none
proc ::tk::MotifFDialog_FileTypes {w} {
upvar ::tk::dialog::file::[winfo name $w] data
set f $w.top.f3.types
destroy $f
# No file types: use "*" as the filter and display no radio-buttons
if {$data(-filetypes) eq ""} {
set data(filter) *
return
}
# The filetypes radiobuttons
# set data(fileType) $data(-defaulttype)
set data(fileType) 0
MotifFDialog_SetFilter $w [lindex $data(-filetypes) $data(fileType)]
#don't produce radiobuttons for only one filetype
if {[llength $data(-filetypes)] == 1} {
return
}
frame $f
set cnt 0
if {$data(-filetypes) ne ""} {
foreach type $data(-filetypes) {
set title [lindex [lindex $type 0] 0]
set filter [lindex $type 1]
radiobutton $f.b$cnt \
-text $title \
-variable ::tk::dialog::file::[winfo name $w](fileType) \
-value $cnt \
-command "[list tk::MotifFDialog_SetFilter $w $type]"
pack $f.b$cnt -side left
incr cnt
}
}
$f.b$data(fileType) invoke
pack $f -side bottom -fill both
return
}
# This proc gets called whenever data(filter) is set
#
proc ::tk::MotifFDialog_SetFilter {w type} {
upvar ::tk::dialog::file::[winfo name $w] data
variable ::tk::Priv
set data(filter) [lindex $type 1]
set Priv(selectFileType) [lindex [lindex $type 0] 0]
MotifFDialog_Update $w
}
# ::tk::MotifFDialog_Config --
#
# Iterates over the optional arguments to determine the option
# values for the Motif file dialog; gives default values to
# unspecified options.
#
# Arguments:
# dataName The name of the global variable in which
# data for the file dialog is stored.
# type "Save" or "Open"
# argList Options parsed by the procedure.
proc ::tk::MotifFDialog_Config {dataName type argList} {
upvar ::tk::dialog::file::$dataName data
set data(type) $type
# 1: the configuration specs
#
set specs {
{-defaultextension "" "" ""}
{-filetypes "" "" ""}
{-initialdir "" "" ""}
{-initialfile "" "" ""}
{-parent "" "" "."}
{-title "" "" ""}
}
if { $type eq "open" } {
lappend specs {-multiple "" "" "0"}
}
set data(-multiple) 0
# 2: default values depending on the type of the dialog
#
if {![info exists data(selectPath)]} {
# first time the dialog has been popped up
set data(selectPath) [pwd]
set data(selectFile) ""
}
# 3: parse the arguments
#
tclParseConfigSpec ::tk::dialog::file::$dataName $specs "" $argList
if {$data(-title) eq ""} {
if {$type eq "open"} {
if {$data(-multiple) != 0} {
set data(-title) "[mc {Open Multiple Files}]"
} else {
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) ne ""} {
if {[file isdirectory $data(-initialdir)]} {
set data(selectPath) [lindex [glob $data(-initialdir)] 0]
} else {
set data(selectPath) [pwd]
}
# Convert the initialdir to an absolute path name.
set old [pwd]
cd $data(selectPath)
set data(selectPath) [pwd]
cd $old
}
set data(selectFile) $data(-initialfile)
# 5. Parse the -filetypes option. It is not used by the motif
# file dialog, but we check for validity of the value to make sure
# the application code also runs fine with the TK file dialog.
#
set data(-filetypes) [::tk::FDGetFileTypes $data(-filetypes)]
if {![info exists data(filter)]} {
set data(filter) *
}
if {![winfo exists $data(-parent)]} {
error "bad window path name \"$data(-parent)\""
}
}
# ::tk::MotifFDialog_BuildUI --
#
# Builds the UI components of the Motif file dialog.
#
# Arguments:
# w Pathname of the dialog to build.
#
# Results:
# None.
proc ::tk::MotifFDialog_BuildUI {w} {
set dataName [lindex [split $w .] end]
upvar ::tk::dialog::file::$dataName data
# Create the dialog toplevel and internal frames.
#
toplevel $w -class TkMotifFDialog
set top [frame $w.top -relief raised -bd 1]
set bot [frame $w.bot -relief raised -bd 1]
pack $w.bot -side bottom -fill x
pack $w.top -side top -expand yes -fill both
set f1 [frame $top.f1]
set f2 [frame $top.f2]
set f3 [frame $top.f3]
pack $f1 -side top -fill x
pack $f3 -side bottom -fill x
pack $f2 -expand yes -fill both
set f2a [frame $f2.a]
set f2b [frame $f2.b]
grid $f2a -row 0 -column 0 -rowspan 1 -columnspan 1 -padx 4 -pady 4 \
-sticky news
grid $f2b -row 0 -column 1 -rowspan 1 -columnspan 1 -padx 4 -pady 4 \
-sticky news
grid rowconfigure $f2 0 -minsize 0 -weight 1
grid columnconfigure $f2 0 -minsize 0 -weight 1
grid columnconfigure $f2 1 -minsize 150 -weight 2
# The Filter box
#
bind [::tk::AmpWidget label $f1.lab -text [mc "Fil&ter:"] -anchor w] \
<<AltUnderlined>> [list focus $f1.ent]
entry $f1.ent
pack $f1.lab -side top -fill x -padx 6 -pady 4
pack $f1.ent -side top -fill x -padx 4 -pady 0
set data(fEnt) $f1.ent
# The file and directory lists
#
set data(dList) [MotifFDialog_MakeSList $w $f2a \
[mc "&Directory:"] DList]
set data(fList) [MotifFDialog_MakeSList $w $f2b \
[mc "Fi&les:"] FList]
# The Selection box
#
bind [::tk::AmpWidget label $f3.lab -text [mc "&Selection:"] -anchor w] \
<<AltUnderlined>> [list focus $f3.ent]
entry $f3.ent
pack $f3.lab -side top -fill x -padx 6 -pady 0
pack $f3.ent -side top -fill x -padx 4 -pady 4
set data(sEnt) $f3.ent
# The buttons
#
set maxWidth [::tk::mcmaxamp &OK &Filter &Cancel]
set maxWidth [expr {$maxWidth<6?6:$maxWidth}]
set data(okBtn) [::tk::AmpWidget button $bot.ok -text [mc "&OK"] \
-width $maxWidth \
-command [list tk::MotifFDialog_OkCmd $w]]
set data(filterBtn) [::tk::AmpWidget button $bot.filter -text [mc "&Filter"] \
-width $maxWidth \
-command [list tk::MotifFDialog_FilterCmd $w]]
set data(cancelBtn) [::tk::AmpWidget button $bot.cancel -text [mc "&Cancel"] \
-width $maxWidth \
-command [list tk::MotifFDialog_CancelCmd $w]]
pack $bot.ok $bot.filter $bot.cancel -padx 10 -pady 10 -expand yes \
-side left
# Create the bindings:
#
bind $w <Alt-Key> [list ::tk::AltKeyInDialog $w %A]
bind $data(fEnt) <Return> [list tk::MotifFDialog_ActivateFEnt $w]
bind $data(sEnt) <Return> [list tk::MotifFDialog_ActivateSEnt $w]
bind $w <Escape> [list tk::MotifFDialog_CancelCmd $w]
bind $w.bot <Destroy> {set ::tk::Priv(selectFilePath) {}}
wm protocol $w WM_DELETE_WINDOW [list tk::MotifFDialog_CancelCmd $w]
}
proc ::tk::MotifFDialog_SetListMode {w} {
upvar ::tk::dialog::file::[winfo name $w] data
if {$data(-multiple) != 0} {
set selectmode extended
} else {
set selectmode browse
}
set f $w.top.f2.b
$f.l configure -selectmode $selectmode
}
# ::tk::MotifFDialog_MakeSList --
#
# Create a scrolled-listbox and set the keyboard accelerator
# bindings so that the list selection follows what the user
# types.
#
# Arguments:
# w Pathname of the dialog box.
# f Frame widget inside which to create the scrolled
# listbox. This frame widget already exists.
# label The string to display on top of the listbox.
# under Sets the -under option of the label.
# cmdPrefix Specifies procedures to call when the listbox is
# browsed or activated.
proc ::tk::MotifFDialog_MakeSList {w f label cmdPrefix} {
bind [::tk::AmpWidget label $f.lab -text $label -anchor w] \
<<AltUnderlined>> [list focus $f.l]
listbox $f.l -width 12 -height 5 -exportselection 0\
-xscrollcommand [list $f.h set] -yscrollcommand [list $f.v set]
scrollbar $f.v -orient vertical -takefocus 0 -command [list $f.l yview]
scrollbar $f.h -orient horizontal -takefocus 0 -command [list $f.l xview]
grid $f.lab -row 0 -column 0 -sticky news -rowspan 1 -columnspan 2 \
-padx 2 -pady 2
grid $f.l -row 1 -column 0 -rowspan 1 -columnspan 1 -sticky news
grid $f.v -row 1 -column 1 -rowspan 1 -columnspan 1 -sticky news
grid $f.h -row 2 -column 0 -rowspan 1 -columnspan 1 -sticky news
grid rowconfigure $f 0 -weight 0 -minsize 0
grid rowconfigure $f 1 -weight 1 -minsize 0
grid columnconfigure $f 0 -weight 1 -minsize 0
# bindings for the listboxes
#
set list $f.l
bind $list <<ListboxSelect>> [list tk::MotifFDialog_Browse$cmdPrefix $w]
bind $list <Double-ButtonRelease-1> \
[list tk::MotifFDialog_Activate$cmdPrefix $w]
bind $list <Return> "tk::MotifFDialog_Browse$cmdPrefix [list $w]; \
tk::MotifFDialog_Activate$cmdPrefix [list $w]"
bindtags $list [list Listbox $list [winfo toplevel $list] all]
ListBoxKeyAccel_Set $list
return $f.l
}
# ::tk::MotifFDialog_InterpFilter --
#
# Interpret the string in the filter entry into two components:
# the directory and the pattern. If the string is a relative
# pathname, give a warning to the user and restore the pattern
# to original.
#
# Arguments:
# w pathname of the dialog box.
#
# Results:
# A list of two elements. The first element is the directory
# specified # by the filter. The second element is the filter
# pattern itself.
proc ::tk::MotifFDialog_InterpFilter {w} {
upvar ::tk::dialog::file::[winfo name $w] data
set text [string trim [$data(fEnt) get]]
# Perform tilde substitution
#
set badTilde 0
if {[string index $text 0] eq "~"} {
set list [file split $text]
set tilde [lindex $list 0]
if {[catch {set tilde [glob $tilde]}]} {
set badTilde 1
} else {
set text [eval file join [concat $tilde [lrange $list 1 end]]]
}
}
# If the string is a relative pathname, combine it
# with the current selectPath.
set relative 0
if {[file pathtype $text] eq "relative"} {
set relative 1
} elseif {$badTilde} {
set relative 1
}
if {$relative} {
tk_messageBox -icon warning -type ok \
-message "\"$text\" must be an absolute pathname"
$data(fEnt) delete 0 end
$data(fEnt) insert 0 [::tk::dialog::file::JoinFile $data(selectPath) \
$data(filter)]
return [list $data(selectPath) $data(filter)]
}
set resolved [::tk::dialog::file::JoinFile [file dirname $text] [file tail $text]]
if {[file isdirectory $resolved]} {
set dir $resolved
set fil $data(filter)
} else {
set dir [file dirname $resolved]
set fil [file tail $resolved]
}
return [list $dir $fil]
}
# ::tk::MotifFDialog_Update
#
# Load the files and synchronize the "filter" and "selection" fields
# boxes.
#
# Arguments:
# w pathname of the dialog box.
#
# Results:
# None.
proc ::tk::MotifFDialog_Update {w} {
upvar ::tk::dialog::file::[winfo name $w] data
$data(fEnt) delete 0 end
$data(fEnt) insert 0 \
[::tk::dialog::file::JoinFile $data(selectPath) $data(filter)]
$data(sEnt) delete 0 end
$data(sEnt) insert 0 [::tk::dialog::file::JoinFile $data(selectPath) \
$data(selectFile)]
MotifFDialog_LoadFiles $w
}
# ::tk::MotifFDialog_LoadFiles --
#
# Loads the files and directories into the two listboxes according
# to the filter setting.
#
# Arguments:
# w pathname of the dialog box.
#
# Results:
# None.
proc ::tk::MotifFDialog_LoadFiles {w} {
upvar ::tk::dialog::file::[winfo name $w] data
$data(dList) delete 0 end
$data(fList) delete 0 end
set appPWD [pwd]
if {[catch {cd $data(selectPath)}]} {
cd $appPWD
$data(dList) insert end ".."
return
}
# Make the dir and file lists
#
# For speed we only have one glob, which reduces the file system
# calls (good for slow NFS networks).
#
# We also do two smaller sorts (files + dirs) instead of one large sort,
# which gives a small speed increase.
#
set top 0
set dlist ""
set flist ""
foreach f [glob -nocomplain .* *] {
if {[file isdir ./$f]} {
lappend dlist $f
} else {
foreach pat $data(filter) {
if {[string match $pat $f]} {
if {[string match .* $f]} {
incr top
}
lappend flist $f
break
}
}
}
}
eval [list $data(dList) insert end] [lsort -dictionary $dlist]
eval [list $data(fList) insert end] [lsort -dictionary $flist]
# The user probably doesn't want to see the . files. We adjust the view
# so that the listbox displays all the non-dot files
$data(fList) yview $top
cd $appPWD
}
# ::tk::MotifFDialog_BrowseDList --
#
# This procedure is called when the directory list is browsed
# (clicked-over) by the user.
#
# Arguments:
# w The pathname of the dialog box.
#
# Results:
# None.
proc ::tk::MotifFDialog_BrowseDList {w} {
upvar ::tk::dialog::file::[winfo name $w] data
focus $data(dList)
if {[$data(dList) curselection] eq ""} {
return
}
set subdir [$data(dList) get [$data(dList) curselection]]
if {$subdir eq ""} {
return
}
$data(fList) selection clear 0 end
set list [MotifFDialog_InterpFilter $w]
set data(filter) [lindex $list 1]
switch -- $subdir {
. {
set newSpec [::tk::dialog::file::JoinFile $data(selectPath) $data(filter)]
}
.. {
set newSpec [::tk::dialog::file::JoinFile [file dirname $data(selectPath)] \
$data(filter)]
}
default {
set newSpec [::tk::dialog::file::JoinFile [::tk::dialog::file::JoinFile \
$data(selectPath) $subdir] $data(filter)]
}
}
$data(fEnt) delete 0 end
$data(fEnt) insert 0 $newSpec
}
# ::tk::MotifFDialog_ActivateDList --
#
# This procedure is called when the directory list is activated
# (double-clicked) by the user.
#
# Arguments:
# w The pathname of the dialog box.
#
# Results:
# None.
proc ::tk::MotifFDialog_ActivateDList {w} {
upvar ::tk::dialog::file::[winfo name $w] data
if {[$data(dList) curselection] eq ""} {
return
}
set subdir [$data(dList) get [$data(dList) curselection]]
if {$subdir eq ""} {
return
}
$data(fList) selection clear 0 end
switch -- $subdir {
. {
set newDir $data(selectPath)
}
.. {
set newDir [file dirname $data(selectPath)]
}
default {
set newDir [::tk::dialog::file::JoinFile $data(selectPath) $subdir]
}
}
set data(selectPath) $newDir
MotifFDialog_Update $w
if {$subdir ne ".."} {
$data(dList) selection set 0
$data(dList) activate 0
} else {
$data(dList) selection set 1
$data(dList) activate 1
}
}
# ::tk::MotifFDialog_BrowseFList --
#
# This procedure is called when the file list is browsed
# (clicked-over) by the user.
#
# Arguments:
# w The pathname of the dialog box.
#
# Results:
# None.
proc ::tk::MotifFDialog_BrowseFList {w} {
upvar ::tk::dialog::file::[winfo name $w] data
focus $data(fList)
set data(selectFile) ""
foreach item [$data(fList) curselection] {
lappend data(selectFile) [$data(fList) get $item]
}
if {[llength $data(selectFile)] == 0} {
return
}
$data(dList) selection clear 0 end
$data(fEnt) delete 0 end
$data(fEnt) insert 0 [::tk::dialog::file::JoinFile $data(selectPath) \
$data(filter)]
$data(fEnt) xview end
# if it's a multiple selection box, just put in the filenames
# otherwise put in the full path as usual
$data(sEnt) delete 0 end
if {$data(-multiple) != 0} {
$data(sEnt) insert 0 $data(selectFile)
} else {
$data(sEnt) insert 0 [::tk::dialog::file::JoinFile $data(selectPath) \
[lindex $data(selectFile) 0]]
}
$data(sEnt) xview end
}
# ::tk::MotifFDialog_ActivateFList --
#
# This procedure is called when the file list is activated
# (double-clicked) by the user.
#
# Arguments:
# w The pathname of the dialog box.
#
# Results:
# None.
proc ::tk::MotifFDialog_ActivateFList {w} {
upvar ::tk::dialog::file::[winfo name $w] data
if {[$data(fList) curselection] eq ""} {
return
}
set data(selectFile) [$data(fList) get [$data(fList) curselection]]
if {$data(selectFile) eq ""} {
return
} else {
MotifFDialog_ActivateSEnt $w
}
}
# ::tk::MotifFDialog_ActivateFEnt --
#
# This procedure is called when the user presses Return inside
# the "filter" entry. It updates the dialog according to the
# text inside the filter entry.
#
# Arguments:
# w The pathname of the dialog box.
#
# Results:
# None.
proc ::tk::MotifFDialog_ActivateFEnt {w} {
upvar ::tk::dialog::file::[winfo name $w] data
set list [MotifFDialog_InterpFilter $w]
set data(selectPath) [lindex $list 0]
set data(filter) [lindex $list 1]
MotifFDialog_Update $w
}
# ::tk::MotifFDialog_ActivateSEnt --
#
# This procedure is called when the user presses Return inside
# the "selection" entry. It sets the ::tk::Priv(selectFilePath)
# variable so that the vwait loop in tk::MotifFDialog will be
# terminated.
#
# Arguments:
# w The pathname of the dialog box.
#
# Results:
# None.
proc ::tk::MotifFDialog_ActivateSEnt {w} {
variable ::tk::Priv
upvar ::tk::dialog::file::[winfo name $w] data
set selectFilePath [string trim [$data(sEnt) get]]
if {$selectFilePath eq ""} {
MotifFDialog_FilterCmd $w
return
}
if {$data(-multiple) == 0} {
set selectFilePath [list $selectFilePath]
}
if {[file isdirectory [lindex $selectFilePath 0]]} {
set data(selectPath) [lindex [glob $selectFilePath] 0]
set data(selectFile) ""
MotifFDialog_Update $w
return
}
set newFileList ""
foreach item $selectFilePath {
if {[file pathtype $item] ne "absolute"} {
set item [file join $data(selectPath) $item]
} elseif {![file exists [file dirname $item]]} {
tk_messageBox -icon warning -type ok \
-message [mc {Directory "%1$s" does not exist.} \
[file dirname $item]]
return
}
if {![file exists $item]} {
if {$data(type) eq "open"} {
tk_messageBox -icon warning -type ok \
-message [mc {File "%1$s" does not exist.} $item]
return
}
} else {
if {$data(type) eq "save"} {
set message [format %s%s \
[mc "File \"%1\$s\" already exists.\n\n" \
$selectFilePath] \
[mc {Replace existing file?}]]
set answer [tk_messageBox -icon warning -type yesno \
-message $message]
if {$answer eq "no"} {
return
}
}
}
lappend newFileList $item
}
if {$data(-multiple) != 0} {
set Priv(selectFilePath) $newFileList
} else {
set Priv(selectFilePath) [lindex $newFileList 0]
}
# Set selectFile and selectPath to first item in list
set Priv(selectFile) [file tail [lindex $newFileList 0]]
set Priv(selectPath) [file dirname [lindex $newFileList 0]]
}
proc ::tk::MotifFDialog_OkCmd {w} {
upvar ::tk::dialog::file::[winfo name $w] data
MotifFDialog_ActivateSEnt $w
}
proc ::tk::MotifFDialog_FilterCmd {w} {
upvar ::tk::dialog::file::[winfo name $w] data
MotifFDialog_ActivateFEnt $w
}
proc ::tk::MotifFDialog_CancelCmd {w} {
variable ::tk::Priv
set Priv(selectFilePath) ""
set Priv(selectFile) ""
set Priv(selectPath) ""
}
proc ::tk::ListBoxKeyAccel_Set {w} {
bind Listbox <Any-KeyPress> ""
bind $w <Destroy> [list tk::ListBoxKeyAccel_Unset $w]
bind $w <Any-KeyPress> [list tk::ListBoxKeyAccel_Key $w %A]
}
proc ::tk::ListBoxKeyAccel_Unset {w} {
variable ::tk::Priv
catch {after cancel $Priv(lbAccel,$w,afterId)}
unset -nocomplain Priv(lbAccel,$w) Priv(lbAccel,$w,afterId)
}
# ::tk::ListBoxKeyAccel_Key--
#
# This procedure maintains a list of recently entered keystrokes
# over a listbox widget. It arranges an idle event to move the
# selection of the listbox to the entry that begins with the
# keystrokes.
#
# Arguments:
# w The pathname of the listbox.
# key The key which the user just pressed.
#
# Results:
# None.
proc ::tk::ListBoxKeyAccel_Key {w key} {
variable ::tk::Priv
if { $key eq "" } {
return
}
append Priv(lbAccel,$w) $key
ListBoxKeyAccel_Goto $w $Priv(lbAccel,$w)
catch {
after cancel $Priv(lbAccel,$w,afterId)
}
set Priv(lbAccel,$w,afterId) [after 500 \
[list tk::ListBoxKeyAccel_Reset $w]]
}
proc ::tk::ListBoxKeyAccel_Goto {w string} {
variable ::tk::Priv
set string [string tolower $string]
set end [$w index end]
set theIndex -1
for {set i 0} {$i < $end} {incr i} {
set item [string tolower [$w get $i]]
if {[string compare $string $item] >= 0} {
set theIndex $i
}
if {[string compare $string $item] <= 0} {
set theIndex $i
break
}
}
if {$theIndex >= 0} {
$w selection clear 0 end
$w selection set $theIndex $theIndex
$w activate $theIndex
$w see $theIndex
event generate $w <<ListboxSelect>>
}
}
proc ::tk::ListBoxKeyAccel_Reset {w} {
variable ::tk::Priv
unset -nocomplain Priv(lbAccel,$w)
}
proc ::tk_getFileType {} {
variable ::tk::Priv
return $Priv(selectFileType)
}
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