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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 1.1.4.4 1998/12/08 02:06:39 stanton Exp $
#
# Copyright (c) 1996 Sun Microsystems, Inc.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
# tkMotifFDialog --
#
# Implements a file dialog similar to the standard Motif file
# selection box.
#
# Arguments:
# type "open" or "save"
# args Options parsed by the procedure.
#
# Results:
# A list of two members. The first member is the absolute
# pathname of the selected file or "" if user hits cancel. The
# second member is the name of the selected file type, or ""
# which stands for "default file type"
proc tkMotifFDialog {type args} {
global tkPriv
set dataName __tk_filedialog
upvar #0 $dataName data
set w [tkMotifFDialog_Create $dataName $type $args]
# Set a grab and claim the focus too.
set oldFocus [focus]
set oldGrab [grab current $w]
if {$oldGrab != ""} {
set grabStatus [grab status $oldGrab]
}
grab $w
focus $data(sEnt)
$data(sEnt) select from 0
$data(sEnt) select to 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.
tkwait variable tkPriv(selectFilePath)
catch {focus $oldFocus}
grab release $w
wm withdraw $w
if {$oldGrab != ""} {
if {$grabStatus == "global"} {
grab -global $oldGrab
} else {
grab $oldGrab
}
}
return $tkPriv(selectFilePath)
}
# tkMotifFDialog_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 tkMotifFDialog 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 tkMotifFDialog_Create {dataName type argList} {
global tkPriv
upvar #0 $dataName data
tkMotifFDialog_Config $dataName $type $argList
if {![string compare $data(-parent) .]} {
set w .$dataName
} else {
set w $data(-parent).$dataName
}
# (re)create the dialog box if necessary
#
if {![winfo exists $w]} {
tkMotifFDialog_BuildUI $w
} elseif {[string compare [winfo class $w] TkMotifFDialog]} {
destroy $w
tkMotifFDialog_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
}
wm transient $w $data(-parent)
tkMotifFDialog_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 and de-iconify it.
wm withdraw $w
update idletasks
set x [expr [winfo screenwidth $w]/2 - [winfo reqwidth $w]/2 \
- [winfo vrootx [winfo parent $w]]]
set y [expr [winfo screenheight $w]/2 - [winfo reqheight $w]/2 \
- [winfo vrooty [winfo parent $w]]]
wm geom $w +$x+$y
wm deiconify $w
wm title $w $data(-title)
return $w
}
# tkMotifFDialog_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 tkMotifFDialog_Config {dataName type argList} {
upvar #0 $dataName data
set data(type) $type
# 1: the configuration specs
#
set specs {
{-defaultextension "" "" ""}
{-filetypes "" "" ""}
{-initialdir "" "" ""}
{-initialfile "" "" ""}
{-parent "" "" "."}
{-title "" "" ""}
}
# 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 $dataName $specs "" $argList
if {![string compare $data(-title) ""]} {
if {![string compare $type "open"]} {
set data(-title) "Open"
} else {
set data(-title) "Save As"
}
}
# 4: set the default directory and selection according to the -initial
# settings
#
if {[string compare $data(-initialdir) ""]} {
if {[file isdirectory $data(-initialdir)]} {
set data(selectPath) [glob $data(-initialdir)]
} 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) [tkFDGetFileTypes $data(-filetypes)]
if {![info exists data(filter)]} {
set data(filter) *
}
if {![winfo exists $data(-parent)]} {
error "bad window path name \"$data(-parent)\""
}
}
# tkMotifFDialog_BuildUI --
#
# Builds the UI components of the Motif file dialog.
#
# Arguments:
# w Pathname of the dialog to build.
#
# Results:
# None.
proc tkMotifFDialog_BuildUI {w} {
set dataName [lindex [split $w .] end]
upvar #0 $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 rowconfig $f2 0 -minsize 0 -weight 1
grid columnconfig $f2 0 -minsize 0 -weight 1
grid columnconfig $f2 1 -minsize 150 -weight 2
# The Filter box
#
label $f1.lab -text "Filter:" -under 3 -anchor w
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) [tkMotifFDialog_MakeSList $w $f2a Directory: 0 DList]
set data(fList) [tkMotifFDialog_MakeSList $w $f2b Files: 2 FList]
# The Selection box
#
label $f3.lab -text "Selection:" -under 0 -anchor w
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 data(okBtn) [button $bot.ok -text OK -width 6 -under 0 \
-command "tkMotifFDialog_OkCmd $w"]
set data(filterBtn) [button $bot.filter -text Filter -width 6 -under 0 \
-command "tkMotifFDialog_FilterCmd $w"]
set data(cancelBtn) [button $bot.cancel -text Cancel -width 6 -under 0 \
-command "tkMotifFDialog_CancelCmd $w"]
pack $bot.ok $bot.filter $bot.cancel -padx 10 -pady 10 -expand yes \
-side left
# Create the bindings:
#
bind $w <Alt-t> "focus $data(fEnt)"
bind $w <Alt-d> "focus $data(dList)"
bind $w <Alt-l> "focus $data(fList)"
bind $w <Alt-s> "focus $data(sEnt)"
bind $w <Alt-o> "tkButtonInvoke $bot.ok "
bind $w <Alt-f> "tkButtonInvoke $bot.filter"
bind $w <Alt-c> "tkButtonInvoke $bot.cancel"
bind $data(fEnt) <Return> "tkMotifFDialog_ActivateFEnt $w"
bind $data(sEnt) <Return> "tkMotifFDialog_ActivateSEnt $w"
wm protocol $w WM_DELETE_WINDOW "tkMotifFDialog_CancelCmd $w"
}
# tkMotifFDialog_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 tkMotifFDialog_MakeSList {w f label under cmdPrefix} {
label $f.lab -text $label -under $under -anchor w
listbox $f.l -width 12 -height 5 -selectmode browse -exportselection 0\
-xscrollcommand "$f.h set" \
-yscrollcommand "$f.v set"
scrollbar $f.v -orient vertical -takefocus 0 \
-command "$f.l yview"
scrollbar $f.h -orient horizontal -takefocus 0 \
-command "$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 rowconfig $f 0 -weight 0 -minsize 0
grid rowconfig $f 1 -weight 1 -minsize 0
grid columnconfig $f 0 -weight 1 -minsize 0
# bindings for the listboxes
#
set list $f.l
bind $list <Up> "tkMotifFDialog_Browse$cmdPrefix $w"
bind $list <Down> "tkMotifFDialog_Browse$cmdPrefix $w"
bind $list <space> "tkMotifFDialog_Browse$cmdPrefix $w"
bind $list <1> "tkMotifFDialog_Browse$cmdPrefix $w"
bind $list <B1-Motion> "tkMotifFDialog_Browse$cmdPrefix $w"
bind $list <Double-ButtonRelease-1> "tkMotifFDialog_Activate$cmdPrefix $w"
bind $list <Return> "tkMotifFDialog_Browse$cmdPrefix $w; \
tkMotifFDialog_Activate$cmdPrefix $w"
bindtags $list "Listbox $list [winfo toplevel $list] all"
tkListBoxKeyAccel_Set $list
return $f.l
}
# tkMotifFDialog_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 tkMotifFDialog_InterpFilter {w} {
upvar #0 [winfo name $w] data
set text [string trim [$data(fEnt) get]]
# Perform tilde substitution
#
set badTilde 0
if {[string compare [string index $text 0] ~] == 0} {
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 $text] == "relative"} {
set relative 1
} elseif {$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 [tkFDialog_JoinFile $data(selectPath) \
$data(filter)]
return [list $data(selectPath) $data(filter)]
}
set resolved [tkFDialog_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]
}
# tkMotifFDialog_Update
#
# Load the files and synchronize the "filter" and "selection" fields
# boxes.
#
# Arguments:
# w pathname of the dialog box.
#
# Results:
# None.
proc tkMotifFDialog_Update {w} {
upvar #0 [winfo name $w] data
$data(fEnt) delete 0 end
$data(fEnt) insert 0 [tkFDialog_JoinFile $data(selectPath) $data(filter)]
$data(sEnt) delete 0 end
$data(sEnt) insert 0 [tkFDialog_JoinFile $data(selectPath) \
$data(selectFile)]
tkMotifFDialog_LoadFiles $w
}
# tkMotifFDialog_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 tkMotifFDialog_LoadFiles {w} {
upvar #0 [winfo name $w] data
$data(dList) delete 0 end
$data(fList) delete 0 end
set appPWD [pwd]
if [catch {
cd $data(selectPath)
}] {
cd $appPWD
$data(dList) insert end ".."
return
}
# Make the dir list
#
foreach f [lsort -dictionary [glob -nocomplain .* *]] {
if [file isdir ./$f] {
$data(dList) insert end $f
}
}
# Make the file list
#
if ![string compare $data(filter) *] {
set files [lsort -dictionary [glob -nocomplain .* *]]
} else {
set files [lsort -dictionary \
[glob -nocomplain $data(filter)]]
}
set top 0
foreach f $files {
if ![file isdir ./$f] {
regsub {^[.]/} $f "" f
$data(fList) insert end $f
if [string match .* $f] {
incr top
}
}
}
# 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
}
# tkMotifFDialog_BrowseFList --
#
# 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 tkMotifFDialog_BrowseDList {w} {
upvar #0 [winfo name $w] data
focus $data(dList)
if {![string compare [$data(dList) curselection] ""]} {
return
}
set subdir [$data(dList) get [$data(dList) curselection]]
if {![string compare $subdir ""]} {
return
}
$data(fList) selection clear 0 end
set list [tkMotifFDialog_InterpFilter $w]
set data(filter) [lindex $list 1]
switch -- $subdir {
. {
set newSpec [tkFDialog_JoinFile $data(selectPath) $data(filter)]
}
.. {
set newSpec [tkFDialog_JoinFile [file dirname $data(selectPath)] \
$data(filter)]
}
default {
set newSpec [tkFDialog_JoinFile [tkFDialog_JoinFile \
$data(selectPath) $subdir] $data(filter)]
}
}
$data(fEnt) delete 0 end
$data(fEnt) insert 0 $newSpec
}
# tkMotifFDialog_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 tkMotifFDialog_ActivateDList {w} {
upvar #0 [winfo name $w] data
if {![string compare [$data(dList) curselection] ""]} {
return
}
set subdir [$data(dList) get [$data(dList) curselection]]
if {![string compare $subdir ""]} {
return
}
$data(fList) selection clear 0 end
switch -- $subdir {
. {
set newDir $data(selectPath)
}
.. {
set newDir [file dirname $data(selectPath)]
}
default {
set newDir [tkFDialog_JoinFile $data(selectPath) $subdir]
}
}
set data(selectPath) $newDir
tkMotifFDialog_Update $w
if {[string compare $subdir ..]} {
$data(dList) selection set 0
$data(dList) activate 0
} else {
$data(dList) selection set 1
$data(dList) activate 1
}
}
# tkMotifFDialog_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 tkMotifFDialog_BrowseFList {w} {
upvar #0 [winfo name $w] data
focus $data(fList)
if {![string compare [$data(fList) curselection] ""]} {
return
}
set data(selectFile) [$data(fList) get [$data(fList) curselection]]
if {![string compare $data(selectFile) ""]} {
return
}
$data(dList) selection clear 0 end
$data(fEnt) delete 0 end
$data(fEnt) insert 0 [tkFDialog_JoinFile $data(selectPath) $data(filter)]
$data(fEnt) xview end
$data(sEnt) delete 0 end
$data(sEnt) insert 0 [tkFDialog_JoinFile $data(selectPath) \
$data(selectFile)]
$data(sEnt) xview end
}
# tkMotifFDialog_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 tkMotifFDialog_ActivateFList {w} {
upvar #0 [winfo name $w] data
if {![string compare [$data(fList) curselection] ""]} {
return
}
set data(selectFile) [$data(fList) get [$data(fList) curselection]]
if {![string compare $data(selectFile) ""]} {
return
} else {
tkMotifFDialog_ActivateSEnt $w
}
}
# tkMotifFDialog_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 tkMotifFDialog_ActivateFEnt {w} {
upvar #0 [winfo name $w] data
set list [tkMotifFDialog_InterpFilter $w]
set data(selectPath) [lindex $list 0]
set data(filter) [lindex $list 1]
tkMotifFDialog_Update $w
}
# tkMotifFDialog_ActivateSEnt --
#
# This procedure is called when the user presses Return inside
# the "selection" entry. It sets the tkPriv(selectFilePath) global
# variable so that the vwait loop in tkMotifFDialog will be
# terminated.
#
# Arguments:
# w The pathname of the dialog box.
#
# Results:
# None.
proc tkMotifFDialog_ActivateSEnt {w} {
global tkPriv
upvar #0 [winfo name $w] data
set selectFilePath [string trim [$data(sEnt) get]]
set selectFile [file tail $selectFilePath]
set selectPath [file dirname $selectFilePath]
if {![string compare $selectFilePath ""]} {
tkMotifFDialog_FilterCmd $w
return
}
if {[file isdirectory $selectFilePath]} {
set data(selectPath) [glob $selectFilePath]
set data(selectFile) ""
tkMotifFDialog_Update $w
return
}
if {[string compare [file pathtype $selectFilePath] "absolute"]} {
tk_messageBox -icon warning -type ok \
-message "\"$selectFilePath\" must be an absolute pathname"
return
}
if {![file exists $selectPath]} {
tk_messageBox -icon warning -type ok \
-message "Directory \"$selectPath\" does not exist."
return
}
if {![file exists $selectFilePath]} {
if {![string compare $data(type) open]} {
tk_messageBox -icon warning -type ok \
-message "File \"$selectFilePath\" does not exist."
return
}
} else {
if {![string compare $data(type) save]} {
set message [format %s%s \
"File \"$selectFilePath\" already exists.\n\n" \
"Replace existing file?"]
set answer [tk_messageBox -icon warning -type yesno \
-message $message]
if {![string compare $answer "no"]} {
return
}
}
}
set tkPriv(selectFilePath) $selectFilePath
set tkPriv(selectFile) $selectFile
set tkPriv(selectPath) $selectPath
}
proc tkMotifFDialog_OkCmd {w} {
upvar #0 [winfo name $w] data
tkMotifFDialog_ActivateSEnt $w
}
proc tkMotifFDialog_FilterCmd {w} {
upvar #0 [winfo name $w] data
tkMotifFDialog_ActivateFEnt $w
}
proc tkMotifFDialog_CancelCmd {w} {
global tkPriv
set tkPriv(selectFilePath) ""
set tkPriv(selectFile) ""
set tkPriv(selectPath) ""
}
proc tkListBoxKeyAccel_Set {w} {
bind Listbox <Any-KeyPress> ""
bind $w <Destroy> "tkListBoxKeyAccel_Unset $w"
bind $w <Any-KeyPress> "tkListBoxKeyAccel_Key $w %A"
}
proc tkListBoxKeyAccel_Unset {w} {
global tkPriv
catch {after cancel $tkPriv(lbAccel,$w,afterId)}
catch {unset tkPriv(lbAccel,$w)}
catch {unset tkPriv(lbAccel,$w,afterId)}
}
# tkListBoxKeyAccel_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 tkListBoxKeyAccel_Key {w key} {
global tkPriv
append tkPriv(lbAccel,$w) $key
tkListBoxKeyAccel_Goto $w $tkPriv(lbAccel,$w)
catch {
after cancel $tkPriv(lbAccel,$w,afterId)
}
set tkPriv(lbAccel,$w,afterId) [after 500 tkListBoxKeyAccel_Reset $w]
}
proc tkListBoxKeyAccel_Goto {w string} {
global tkPriv
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 $theIndex
}
}
proc tkListBoxKeyAccel_Reset {w} {
global tkPriv
catch {unset tkPriv(lbAccel,$w)}
}
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