This file is indexed.

/usr/share/tcltk/tcl8.5/Tix8.4.3/EFileBox.tcl is in tix 8.4.3-4ubuntu1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
# -*- mode: TCL; fill-column: 75; tab-width: 8; coding: iso-latin-1-unix -*-
#
#	$Id: EFileBox.tcl,v 1.5 2004/03/28 02:44:57 hobbs Exp $
#
# EFileBox.tcl --
#
#	Implements the Extended File Selection Box widget.
#
# Copyright (c) 1993-1999 Ioi Kim Lam.
# Copyright (c) 2000-2001 Tix Project Group.
# Copyright (c) 2004 ActiveState
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#


#
# ToDo
#   (1)	If user has entered an invalid directory, give an error dialog
#

tixWidgetClass tixExFileSelectBox {
    -classname TixExFileSelectBox
    -superclass tixPrimitive
    -method {
	filter invoke
    }
    -flag {
	-browsecmd -command -dialog -dir -dircmd -directory 
	-disablecallback -filetypes -pattern -selection -showhidden -value
    }
    -forcecall {
	-filetypes
    }
    -configspec {
	{-browsecmd browseCmd BrowseCmd ""}
	{-command command Command ""}
	{-dialog dialog Dialog ""}
	{-dircmd dirCmd DirCmd ""}
	{-directory directory Directory ""}
	{-disablecallback disableCallback DisableCallback 0 tixVerifyBoolean}
	{-filetypes fileTypes FileTypes ""}
	{-pattern pattern Pattern *}
	{-showhidden showHidden ShowHidden 0 tixVerifyBoolean}
	{-value value Value ""}
    }
    -alias {
	{-dir -directory}
	{-selection -value}
    }

    -default {
	{*dir.label 			{Directories:}}
	{*dir.editable 			true}
	{*dir.history 			true}
	{*dir*listbox.height 		5}
	{*file.label  			Files:}
	{*file.editable 		true}
	{*file.history 			false}
	{*file*listbox.height 		5}
	{*types.label 			{List Files of Type:}}
	{*types*listbox.height 		3}
	{*TixComboBox.labelSide 	top}
	{*TixComboBox*Label.anchor 	w}
	{*dir.label.underline 		0}
	{*file.label.underline		0}
	{*types.label.underline 	14}
	{*TixComboBox.anchor 		e}
	{*TixHList.height 		7}
	{*filelist*listbox.height 	7}
	{*hidden.wrapLength 		3c}
	{*hidden.justify 		left}
    }
}

proc tixExFileSelectBox:InitWidgetRec {w} {
    upvar #0 $w data
    global env

    tixChainMethod $w InitWidgetRec

    if {$data(-directory) eq ""} {
	set data(-directory) [pwd]
    }
    set data(oldDir)    ""
    set data(flag)      0
}


#----------------------------------------------------------------------
#		Construct widget
#----------------------------------------------------------------------
proc tixExFileSelectBox:ConstructWidget {w} {
    upvar #0 $w data

    tixChainMethod $w ConstructWidget

    # listbox frame
    set lf [frame $w.lf]

    # The pane that contains the two listboxes
    #
    set pane  [tixPanedWindow $lf.pane -orientation horizontal]
    set dpane [$pane add 1 -size 160]
    set fpane [$pane add 2 -size 160]

    $dpane config -relief flat
    $fpane config -relief flat

    # The File List Pane
    #
    set data(w:file)  [tixComboBox $fpane.file\
			   -command [list tixExFileSelectBox:Cmd-FileCombo $w]\
			   -prunehistory true \
			   -options {
			       label.anchor w
			   }]
    set data(w:filelist) \
	[tixScrolledListBox $fpane.filelist \
	     -command   [list tixExFileSelectBox:Cmd-FileList $w 1] \
	     -browsecmd [list tixExFileSelectBox:Cmd-FileList $w 0]]
    pack $data(w:file)  -padx 8 -pady 4 -side top -fill x
    pack $data(w:filelist) -padx 8 -pady 4 -side top -fill both -expand yes

    # The Directory Pane
    #
    set data(w:dir)   [tixComboBox $dpane.dir \
			   -command [list tixExFileSelectBox:Cmd-DirCombo $w]\
			   -prunehistory true \
			   -options {
			       label.anchor w
			   }]
    set data(w:dirlist) \
	[tixDirList  $dpane.dirlist \
	     -command   [list tixExFileSelectBox:Cmd-DirList $w]\
	     -browsecmd [list tixExFileSelectBox:Browse-DirList $w]]
    pack $data(w:dir)   -padx 8 -pady 4 -side top -fill x
    pack $data(w:dirlist) -padx 8 -pady 4 -side top -fill both -expand yes

    # The file types listbox
    #
    set data(w:types) [tixComboBox $lf.types\
			   -command [list tixExFileSelectBox:Cmd-TypeCombo $w]\
			   -options {
			       label.anchor w
			   }]

    pack $data(w:types)  -padx 12 -pady 4 -side bottom -fill x -anchor w
    pack $pane -side top -padx 4 -pady 4 -expand yes -fill both

    # Buttons to the right
    #
    set bf [frame $w.bf]
    set data(w:ok)     [button $bf.ok -text Ok -width 6 \
	-underline 0 -command [list tixExFileSelectBox:Ok $w]]
    set data(w:cancel) [button $bf.cancel -text Cancel -width 6 \
	-underline 0 -command [list tixExFileSelectBox:Cancel $w]]
    set data(w:hidden) [checkbutton $bf.hidden -text "Show Hidden Files"\
	-underline 0\
       	-variable [format %s(-showhidden) $w] -onvalue 1 -offvalue 0\
	-command [list tixExFileSelectBox:SetShowHidden $w]]

    pack $data(w:ok) $data(w:cancel) $data(w:hidden)\
	-side top -fill x -padx 6 -pady 3

    pack $bf -side right -fill y -pady 6
    pack $lf -side left -expand yes -fill both

    tixDoWhenMapped $w [list tixExFileSelectBox:Map $w]

    if {$data(-filetypes) == ""} {
	$data(w:types) config -state disabled
    }
}


#----------------------------------------------------------------------
# Configuration
#----------------------------------------------------------------------
proc tixExFileSelectBox:config-showhidden {w value} {
    upvar #0 $w data

    set data(-showhidden) $value
    tixExFileSelectBox:SetShowHidden $w
}

# Update both DirList and {file list and dir combo}
#
proc tixExFileSelectBox:config-directory {w value} {
    upvar #0 $w data

    set data(-directory) [tixFSNormalize $value]
    tixSetSilent $data(w:dirlist) $data(-directory)
    tixSetSilent $data(w:dir) $data(-directory)
    tixWidgetDoWhenIdle tixExFileSelectBox:LoadFiles $w reload

    return $data(-directory)
}

proc tixExFileSelectBox:config-filetypes {w value} {
    upvar #0 $w data

    $data(w:types) subwidget listbox delete 0 end

    foreach name [array names data] {
	if {[string match type,* $name]} {
	    catch {unset data($name)}
	}
    }

    if {$value == ""} {
	$data(w:types) config -state disabled
    } else {
	$data(w:types) config -state normal

	foreach type $value {
	    $data(w:types) insert end [lindex $type 1]
	    set data(type,[lindex $type 1]) [lindex $type 0]
	}
	tixSetSilent $data(w:types) ""
    }
}

#----------------------------------------------------------------------
# MISC Methods
#----------------------------------------------------------------------
proc tixExFileSelectBox:SetShowHidden {w} {
    upvar #0 $w data

    $data(w:dirlist) config -showhidden $data(-showhidden)

    tixWidgetDoWhenIdle tixExFileSelectBox:LoadFiles $w reload
}

# User activates the dir combobox
#
#
proc tixExFileSelectBox:Cmd-DirCombo {w args} {
    upvar #0 $w data

    set dir [tixEvent flag V]
    set dir [tixFSExternal $dir]
    if {![file isdirectory $dir]} {
	return
    }
    set dir [tixFSNormalize $dir]

    $data(w:dirlist) config -value $dir
    set data(-directory) $dir
}

# User activates the dir list
#
#
proc tixExFileSelectBox:Cmd-DirList {w args} {
    upvar #0 $w data

    set dir $data(-directory)
    catch {set dir [tixEvent flag V]}
    set dir [tixFSNormalize [tixFSExternal $dir]]

    tixSetSilent $data(w:dir) $dir
    set data(-directory) $dir

    tixWidgetDoWhenIdle tixExFileSelectBox:LoadFiles $w noreload
}

# User activates the dir list
#
#
proc tixExFileSelectBox:Browse-DirList {w args} {
    upvar #0 $w data

    set dir [tixEvent flag V]
    set dir [tixFSNormalize [tixFSExternal $dir]]
    tixExFileSelectBox:Cmd-DirList $w $dir
}

proc tixExFileSelectBox:IsPattern {w string} {
    return [regexp "\[\[\\\{\\*\\?\]" $string]
}

proc tixExFileSelectBox:Cmd-FileCombo {w value} {
    upvar #0 $w data

    if {[tixEvent type] eq "<Return>"} {
	tixExFileSelectBox:Ok $w
    }
}

proc tixExFileSelectBox:Ok {w} {
    upvar #0 $w data

    set value [string trim [$data(w:file) subwidget entry get]]
    if {$value == ""} {
	set value $data(-pattern)
    }
    tixSetSilent $data(w:file) $value

    if {[tixExFileSelectBox:IsPattern $w $value]} {
	set data(-pattern) $value
	tixWidgetDoWhenIdle tixExFileSelectBox:LoadFiles $w reload
    } else {
	# ensure absolute path
	set value [file join $data(-directory) $value]; # native
	set data(-value) [tixFSNativeNorm $value]
	tixExFileSelectBox:Invoke $w
    }
}

proc tixExFileSelectBox:Cancel {w} {
    upvar #0 $w data

    if {$data(-dialog) != ""} {
	eval $data(-dialog) popdown
    }
}

proc tixExFileSelectBox:Invoke {w} {
    upvar #0 $w data

    # Save some old history
    #
    $data(w:dir)  addhistory [$data(w:dir) cget -value]
    $data(w:file) addhistory $data(-pattern)
    $data(w:file) addhistory $data(-value)
    if {$data(-dialog) != ""} {
	eval $data(-dialog) popdown
    }
    if {$data(-command) != "" && !$data(-disablecallback)} {
	set bind(specs) "%V"
	set bind(%V) $data(-value)
	tixEvalCmdBinding $w $data(-command) bind $data(-value)
    }
}

proc tixExFileSelectBox:Cmd-FileList {w invoke args} {
    upvar #0 $w data

    set index [lindex [$data(w:filelist) subwidget listbox curselection] 0]
    if {$index == ""} {
	set index 0
    }

    set file [$data(w:filelist) subwidget listbox get $index]
    tixSetSilent $data(w:file) $file

    set value [file join $data(-directory) $file]
    set data(-value) [tixFSNativeNorm $value]

    if {$invoke == 1} {
	tixExFileSelectBox:Invoke $w
    } elseif {$data(-browsecmd) != ""} {
	tixEvalCmdBinding $w $data(-browsecmd) "" $data(-value)
    }
}

proc tixExFileSelectBox:Cmd-TypeCombo {w args} {
    upvar #0 $w data

    set value [tixEvent flag V]

    if {[info exists data(type,$value)]} {
	set data(-pattern) $data(type,$value)
	tixSetSilent $data(w:file) $data(-pattern)
	tixWidgetDoWhenIdle tixExFileSelectBox:LoadFiles $w reload
    }
}

proc tixExFileSelectBox:LoadFiles {w flag} {
    upvar #0 $w data

    if {$flag ne "reload" && $data(-directory) eq $data(oldDir)} {
	return
    }

    if {![winfo ismapped [winfo toplevel $w]]} {
	tixDoWhenMapped [winfo toplevel $w] \
	    [list tixExFileSelectBox:LoadFiles $w $flag]
	return
    }

    set listbox [$data(w:filelist) subwidget listbox]
    $listbox delete 0 end

    set data(-value) ""

    tixBusy $w on [$data(w:dirlist) subwidget hlist]

    # wrap in a catch so you can't get stuck in a Busy state
    if {[catch {
	foreach name [tixFSListDir $data(-directory) 0 1 0 \
			  $data(-showhidden) $data(-pattern)] {
	    $listbox insert end $name
	}

	if {$data(oldDir) ne $data(-directory)} {
	    # Otherwise if the user has already selected a file and then
	    # presses "show hidden", the selection won't be wiped out.
	    tixSetSilent $data(w:file) $data(-pattern)
	}
    } err]} {
	tixDebug "tixExFileSelectBox:LoadFiles error for $w\n$err"
    }
    set data(oldDir) $data(-directory)

    tixWidgetDoWhenIdle tixBusy $w off [$data(w:dirlist) subwidget hlist]
}

#
# Called when thd listbox is first mapped
proc tixExFileSelectBox:Map {w} {
    if {![winfo exists $w]} {
	return
    }
    upvar #0 $w data

    set bind(specs) "%V"
    set bind(%V) $data(-value)
    tixEvalCmdBinding $w bind \
	[list tixExFileSelectBox:Cmd-DirList $w] $data(-directory)
}

#----------------------------------------------------------------------
# Public commands
#
#----------------------------------------------------------------------
proc tixExFileSelectBox:invoke {w} {
    tixExFileSelectBox:Invoke $w
}

proc tixExFileSelectBox:filter {w} {
    tixExFileSelectBox:LoadFiles $w reload
}