This file is indexed.

/usr/share/tcltk/tk8.6/console.tcl is in libtk8.6 8.6.6-1+b1.

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
 436
 437
 438
 439
 440
 441
 442
 443
 444
 445
 446
 447
 448
 449
 450
 451
 452
 453
 454
 455
 456
 457
 458
 459
 460
 461
 462
 463
 464
 465
 466
 467
 468
 469
 470
 471
 472
 473
 474
 475
 476
 477
 478
 479
 480
 481
 482
 483
 484
 485
 486
 487
 488
 489
 490
 491
 492
 493
 494
 495
 496
 497
 498
 499
 500
 501
 502
 503
 504
 505
 506
 507
 508
 509
 510
 511
 512
 513
 514
 515
 516
 517
 518
 519
 520
 521
 522
 523
 524
 525
 526
 527
 528
 529
 530
 531
 532
 533
 534
 535
 536
 537
 538
 539
 540
 541
 542
 543
 544
 545
 546
 547
 548
 549
 550
 551
 552
 553
 554
 555
 556
 557
 558
 559
 560
 561
 562
 563
 564
 565
 566
 567
 568
 569
 570
 571
 572
 573
 574
 575
 576
 577
 578
 579
 580
 581
 582
 583
 584
 585
 586
 587
 588
 589
 590
 591
 592
 593
 594
 595
 596
 597
 598
 599
 600
 601
 602
 603
 604
 605
 606
 607
 608
 609
 610
 611
 612
 613
 614
 615
 616
 617
 618
 619
 620
 621
 622
 623
 624
 625
 626
 627
 628
 629
 630
 631
 632
 633
 634
 635
 636
 637
 638
 639
 640
 641
 642
 643
 644
 645
 646
 647
 648
 649
 650
 651
 652
 653
 654
 655
 656
 657
 658
 659
 660
 661
 662
 663
 664
 665
 666
 667
 668
 669
 670
 671
 672
 673
 674
 675
 676
 677
 678
 679
 680
 681
 682
 683
 684
 685
 686
 687
 688
 689
 690
 691
 692
 693
 694
 695
 696
 697
 698
 699
 700
 701
 702
 703
 704
 705
 706
 707
 708
 709
 710
 711
 712
 713
 714
 715
 716
 717
 718
 719
 720
 721
 722
 723
 724
 725
 726
 727
 728
 729
 730
 731
 732
 733
 734
 735
 736
 737
 738
 739
 740
 741
 742
 743
 744
 745
 746
 747
 748
 749
 750
 751
 752
 753
 754
 755
 756
 757
 758
 759
 760
 761
 762
 763
 764
 765
 766
 767
 768
 769
 770
 771
 772
 773
 774
 775
 776
 777
 778
 779
 780
 781
 782
 783
 784
 785
 786
 787
 788
 789
 790
 791
 792
 793
 794
 795
 796
 797
 798
 799
 800
 801
 802
 803
 804
 805
 806
 807
 808
 809
 810
 811
 812
 813
 814
 815
 816
 817
 818
 819
 820
 821
 822
 823
 824
 825
 826
 827
 828
 829
 830
 831
 832
 833
 834
 835
 836
 837
 838
 839
 840
 841
 842
 843
 844
 845
 846
 847
 848
 849
 850
 851
 852
 853
 854
 855
 856
 857
 858
 859
 860
 861
 862
 863
 864
 865
 866
 867
 868
 869
 870
 871
 872
 873
 874
 875
 876
 877
 878
 879
 880
 881
 882
 883
 884
 885
 886
 887
 888
 889
 890
 891
 892
 893
 894
 895
 896
 897
 898
 899
 900
 901
 902
 903
 904
 905
 906
 907
 908
 909
 910
 911
 912
 913
 914
 915
 916
 917
 918
 919
 920
 921
 922
 923
 924
 925
 926
 927
 928
 929
 930
 931
 932
 933
 934
 935
 936
 937
 938
 939
 940
 941
 942
 943
 944
 945
 946
 947
 948
 949
 950
 951
 952
 953
 954
 955
 956
 957
 958
 959
 960
 961
 962
 963
 964
 965
 966
 967
 968
 969
 970
 971
 972
 973
 974
 975
 976
 977
 978
 979
 980
 981
 982
 983
 984
 985
 986
 987
 988
 989
 990
 991
 992
 993
 994
 995
 996
 997
 998
 999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
# console.tcl --
#
# This code constructs the console window for an application.  It
# can be used by non-unix systems that do not have built-in support
# for shells.
#
# Copyright (c) 1995-1997 Sun Microsystems, Inc.
# Copyright (c) 1998-2000 Ajuba Solutions.
# Copyright (c) 2007-2008 Daniel A. Steffen <das@users.sourceforge.net>
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#

# TODO: history - remember partially written command

namespace eval ::tk::console {
    variable blinkTime   500 ; # msecs to blink braced range for
    variable blinkRange  1   ; # enable blinking of the entire braced range
    variable magicKeys   1   ; # enable brace matching and proc/var recognition
    variable maxLines    600 ; # maximum # of lines buffered in console
    variable showMatches 1   ; # show multiple expand matches
    variable useFontchooser [llength [info command ::tk::fontchooser]]
    variable inPlugin [info exists embed_args]
    variable defaultPrompt   ; # default prompt if tcl_prompt1 isn't used

    if {$inPlugin} {
	set defaultPrompt {subst {[history nextid] % }}
    } else {
	set defaultPrompt {subst {([file tail [pwd]]) [history nextid] % }}
    }
}

# simple compat function for tkcon code added for this console
interp alias {} EvalAttached {} consoleinterp eval

# ::tk::ConsoleInit --
# This procedure constructs and configures the console windows.
#
# Arguments:
# 	None.

proc ::tk::ConsoleInit {} {
    if {![consoleinterp eval {set tcl_interactive}]} {
	wm withdraw .
    }

    if {[tk windowingsystem] eq "aqua"} {
	set mod "Cmd"
    } else {
	set mod "Ctrl"
    }

    if {[catch {menu .menubar} err]} {
	bgerror "INIT: $err"
    }
    AmpMenuArgs .menubar add cascade -label [mc &File] -menu .menubar.file
    AmpMenuArgs .menubar add cascade -label [mc &Edit] -menu .menubar.edit

    menu .menubar.file -tearoff 0
    AmpMenuArgs .menubar.file add command -label [mc "&Source..."] \
	    -command {tk::ConsoleSource}
    AmpMenuArgs .menubar.file add command -label [mc "&Hide Console"] \
	    -command {wm withdraw .}
    AmpMenuArgs .menubar.file add command -label [mc "&Clear Console"] \
	    -command {.console delete 1.0 "promptEnd linestart"}
    if {[tk windowingsystem] ne "aqua"} {
	AmpMenuArgs .menubar.file add command -label [mc E&xit] -command {exit}
    }

    menu .menubar.edit -tearoff 0
    AmpMenuArgs	.menubar.edit add command -label [mc Cu&t]   -accel "$mod+X"\
	    -command {event generate .console <<Cut>>}
    AmpMenuArgs	.menubar.edit add command -label [mc &Copy]  -accel "$mod+C"\
	    -command {event generate .console <<Copy>>}
    AmpMenuArgs	.menubar.edit add command -label [mc P&aste] -accel "$mod+V"\
	    -command {event generate .console <<Paste>>}

    if {[tk windowingsystem] ne "win32"} {
	AmpMenuArgs .menubar.edit add command -label [mc Cl&ear] \
		-command {event generate .console <<Clear>>}
    } else {
	AmpMenuArgs .menubar.edit add command -label [mc &Delete] \
		-command {event generate .console <<Clear>>} -accel "Del"

	AmpMenuArgs .menubar add cascade -label [mc &Help] -menu .menubar.help
	menu .menubar.help -tearoff 0
	AmpMenuArgs .menubar.help add command -label [mc &About...] \
		-command tk::ConsoleAbout
    }

    AmpMenuArgs .menubar.edit add separator
    if {$::tk::console::useFontchooser} {
        if {[tk windowingsystem] eq "aqua"} {
            .menubar.edit add command -label tk_choose_font_marker
            set index [.menubar.edit index tk_choose_font_marker]
            .menubar.edit entryconfigure $index \
                -label [mc "Show Fonts"]\
                -accelerator "$mod-T"\
                -command [list ::tk::console::FontchooserToggle]
            bind Console <<TkFontchooserVisibility>> \
                [list ::tk::console::FontchooserVisibility $index]
	    ::tk::console::FontchooserVisibility $index
        } else {
            AmpMenuArgs .menubar.edit add command -label [mc "&Font..."] \
                -command [list ::tk::console::FontchooserToggle]
        }
	bind Console <FocusIn>  [list ::tk::console::FontchooserFocus %W 1]
	bind Console <FocusOut> [list ::tk::console::FontchooserFocus %W 0]
    }
    AmpMenuArgs .menubar.edit add command -label [mc "&Increase Font Size"] \
        -accel "$mod++" -command {event generate .console <<Console_FontSizeIncr>>}
    AmpMenuArgs .menubar.edit add command -label [mc "&Decrease Font Size"] \
        -accel "$mod+-" -command {event generate .console <<Console_FontSizeDecr>>}
    AmpMenuArgs .menubar.edit add command -label [mc "Fit To Screen Width"] \
        -command {event generate .console <<Console_FitScreenWidth>>}

    if {[tk windowingsystem] eq "aqua"} {
	.menubar add cascade -label [mc Window] -menu [menu .menubar.window]
	.menubar add cascade -label [mc Help] -menu [menu .menubar.help]
    }

    . configure -menu .menubar

    # See if we can find a better font than the TkFixedFont
    catch {font create TkConsoleFont {*}[font configure TkFixedFont]}
    set families [font families]
    switch -exact -- [tk windowingsystem] {
        aqua { set preferred {Monaco 10} }
        win32 { set preferred {ProFontWindows 8 Consolas 8} }
        default { set preferred {} }
    }
    foreach {family size} $preferred {
        if {[lsearch -exact $families $family] != -1} {
            font configure TkConsoleFont -family $family -size $size
            break
        }
    }

    # Provide the right border for the text widget (platform dependent).
    ::ttk::style layout ConsoleFrame {
        Entry.field -sticky news -border 1 -children {
            ConsoleFrame.padding -sticky news
        }
    }
    ::ttk::frame .consoleframe -style ConsoleFrame

    set con [text .console -yscrollcommand [list .sb set] -setgrid true \
                 -borderwidth 0 -highlightthickness 0 -font TkConsoleFont]
    if {[tk windowingsystem] eq "aqua"} {
        scrollbar .sb -command [list $con yview]
    } else {
        ::ttk::scrollbar .sb -command [list $con yview]
    }
    pack .sb  -in .consoleframe -fill both -side right -padx 1 -pady 1
    pack $con -in .consoleframe -fill both -expand 1 -side left -padx 1 -pady 1
    pack .consoleframe -fill both -expand 1 -side left

    ConsoleBind $con

    $con tag configure stderr	-foreground red
    $con tag configure stdin	-foreground blue
    $con tag configure prompt	-foreground \#8F4433
    $con tag configure proc	-foreground \#008800
    $con tag configure var	-background \#FFC0D0
    $con tag raise sel
    $con tag configure blink	-background \#FFFF00
    $con tag configure find	-background \#FFFF00

    focus $con

    # Avoid listing this console in [winfo interps]
    if {[info command ::send] eq "::send"} {rename ::send {}}

    wm protocol . WM_DELETE_WINDOW { wm withdraw . }
    wm title . [mc "Console"]
    flush stdout
    $con mark set output [$con index "end - 1 char"]
    tk::TextSetCursor $con end
    $con mark set promptEnd insert
    $con mark gravity promptEnd left

    # A variant of ConsolePrompt to avoid a 'puts' call
    set w $con
    set temp [$w index "end - 1 char"]
    $w mark set output end
    if {![consoleinterp eval "info exists tcl_prompt1"]} {
	set string [EvalAttached $::tk::console::defaultPrompt]
	$w insert output $string stdout
    }
    $w mark set output $temp
    ::tk::TextSetCursor $w end
    $w mark set promptEnd insert
    $w mark gravity promptEnd left

    if {[tk windowingsystem] ne "aqua"} {
	# Subtle work-around to erase the '% ' that tclMain.c prints out
	after idle [subst -nocommand {
	    if {[$con get 1.0 output] eq "% "} { $con delete 1.0 output }
	}]
    }
}

# ::tk::ConsoleSource --
#
# Prompts the user for a file to source in the main interpreter.
#
# Arguments:
# None.

proc ::tk::ConsoleSource {} {
    set filename [tk_getOpenFile -defaultextension .tcl -parent . \
	    -title [mc "Select a file to source"] \
	    -filetypes [list \
	    [list [mc "Tcl Scripts"] .tcl] \
	    [list [mc "All Files"] *]]]
    if {$filename ne ""} {
    	set cmd [list source $filename]
	if {[catch {consoleinterp eval $cmd} result]} {
	    ConsoleOutput stderr "$result\n"
	}
    }
}

# ::tk::ConsoleInvoke --
# Processes the command line input.  If the command is complete it
# is evaled in the main interpreter.  Otherwise, the continuation
# prompt is added and more input may be added.
#
# Arguments:
# None.

proc ::tk::ConsoleInvoke {args} {
    set ranges [.console tag ranges input]
    set cmd ""
    if {[llength $ranges]} {
	set pos 0
	while {[lindex $ranges $pos] ne ""} {
	    set start [lindex $ranges $pos]
	    set end [lindex $ranges [incr pos]]
	    append cmd [.console get $start $end]
	    incr pos
	}
    }
    if {$cmd eq ""} {
	ConsolePrompt
    } elseif {[info complete $cmd]} {
	.console mark set output end
	.console tag delete input
	set result [consoleinterp record $cmd]
	if {$result ne ""} {
	    puts $result
	}
	ConsoleHistory reset
	ConsolePrompt
    } else {
	ConsolePrompt partial
    }
    .console yview -pickplace insert
}

# ::tk::ConsoleHistory --
# This procedure implements command line history for the
# console.  In general is evals the history command in the
# main interpreter to obtain the history.  The variable
# ::tk::HistNum is used to store the current location in the history.
#
# Arguments:
# cmd -	Which action to take: prev, next, reset.

set ::tk::HistNum 1
proc ::tk::ConsoleHistory {cmd} {
    variable HistNum

    switch $cmd {
    	prev {
	    incr HistNum -1
	    if {$HistNum == 0} {
		set cmd {history event [expr {[history nextid] -1}]}
	    } else {
		set cmd "history event $HistNum"
	    }
    	    if {[catch {consoleinterp eval $cmd} cmd]} {
    	    	incr HistNum
    	    	return
    	    }
	    .console delete promptEnd end
    	    .console insert promptEnd $cmd {input stdin}
    	}
    	next {
	    incr HistNum
	    if {$HistNum == 0} {
		set cmd {history event [expr {[history nextid] -1}]}
	    } elseif {$HistNum > 0} {
		set cmd ""
		set HistNum 1
	    } else {
		set cmd "history event $HistNum"
	    }
	    if {$cmd ne ""} {
		catch {consoleinterp eval $cmd} cmd
	    }
	    .console delete promptEnd end
	    .console insert promptEnd $cmd {input stdin}
    	}
    	reset {
    	    set HistNum 1
    	}
    }
}

# ::tk::ConsolePrompt --
# This procedure draws the prompt.  If tcl_prompt1 or tcl_prompt2
# exists in the main interpreter it will be called to generate the
# prompt.  Otherwise, a hard coded default prompt is printed.
#
# Arguments:
# partial -	Flag to specify which prompt to print.

proc ::tk::ConsolePrompt {{partial normal}} {
    set w .console
    if {$partial eq "normal"} {
	set temp [$w index "end - 1 char"]
	$w mark set output end
    	if {[consoleinterp eval "info exists tcl_prompt1"]} {
    	    consoleinterp eval "eval \[set tcl_prompt1\]"
    	} else {
    	    puts -nonewline [EvalAttached $::tk::console::defaultPrompt]
    	}
    } else {
	set temp [$w index output]
	$w mark set output end
    	if {[consoleinterp eval "info exists tcl_prompt2"]} {
    	    consoleinterp eval "eval \[set tcl_prompt2\]"
    	} else {
	    puts -nonewline "> "
    	}
    }
    flush stdout
    $w mark set output $temp
    ::tk::TextSetCursor $w end
    $w mark set promptEnd insert
    $w mark gravity promptEnd left
    ::tk::console::ConstrainBuffer $w $::tk::console::maxLines
    $w see end
}

# Copy selected text from the console
proc ::tk::console::Copy {w} {
    if {![catch {set data [$w get sel.first sel.last]}]} {
        clipboard clear -displayof $w
        clipboard append -displayof $w $data
    }
}
# Copies selected text. If the selection is within the current active edit
# region then it will be cut, if not it is only copied.
proc ::tk::console::Cut {w} {
    if {![catch {set data [$w get sel.first sel.last]}]} {
        clipboard clear -displayof $w
        clipboard append -displayof $w $data
        if {[$w compare sel.first >= output]} {
            $w delete sel.first sel.last
	}
    }
}
# Paste text from the clipboard
proc ::tk::console::Paste {w} {
    catch {
        set clip [::tk::GetSelection $w CLIPBOARD]
        set list [split $clip \n\r]
        tk::ConsoleInsert $w [lindex $list 0]
        foreach x [lrange $list 1 end] {
            $w mark set insert {end - 1c}
            tk::ConsoleInsert $w "\n"
            tk::ConsoleInvoke
            tk::ConsoleInsert $w $x
        }
    }
}

# Fit TkConsoleFont to window width
proc ::tk::console::FitScreenWidth {w} {
    set width [winfo screenwidth $w]
    set cwidth [$w cget -width]
    set s -50
    set fit 0
    array set fi [font configure TkConsoleFont]
    while {$s < 0} {
        set fi(-size) $s
        set f [font create {*}[array get fi]]
        set c [font measure $f "eM"]
        font delete $f
        if {$c * $cwidth < 1.667 * $width} {
            font configure TkConsoleFont -size $s
            break
        }
	incr s 2
    }
}

# ::tk::ConsoleBind --
# This procedure first ensures that the default bindings for the Text
# class have been defined.  Then certain bindings are overridden for
# the class.
#
# Arguments:
# None.

proc ::tk::ConsoleBind {w} {
    bindtags $w [list $w Console PostConsole [winfo toplevel $w] all]

    ## Get all Text bindings into Console
    foreach ev [bind Text] {
	bind Console $ev [bind Text $ev]
    }
    ## We really didn't want the newline insertion...
    bind Console <Control-Key-o> {}
    ## ...or any Control-v binding (would block <<Paste>>)
    bind Console <Control-Key-v> {}

    # For the moment, transpose isn't enabled until the console
    # gets and overhaul of how it handles input -- hobbs
    bind Console <Control-Key-t> {}

    # Ignore all Alt, Meta, and Control keypresses unless explicitly bound.
    # Otherwise, if a widget binding for one of these is defined, the
    # <Keypress> class binding will also fire and insert the character
    # which is wrong.

    bind Console <Alt-KeyPress> {# nothing }
    bind Console <Meta-KeyPress> {# nothing}
    bind Console <Control-KeyPress> {# nothing}

    foreach {ev key} {
	<<Console_NextImmediate>>	<Control-Key-n>
	<<Console_PrevImmediate>>	<Control-Key-p>
	<<Console_PrevSearch>>		<Control-Key-r>
	<<Console_NextSearch>>		<Control-Key-s>

	<<Console_Expand>>		<Key-Tab>
	<<Console_Expand>>		<Key-Escape>
	<<Console_ExpandFile>>		<Control-Shift-Key-F>
	<<Console_ExpandProc>>		<Control-Shift-Key-P>
	<<Console_ExpandVar>>		<Control-Shift-Key-V>
	<<Console_Tab>>			<Control-Key-i>
	<<Console_Tab>>			<Meta-Key-i>
	<<Console_Eval>>		<Key-Return>
	<<Console_Eval>>		<Key-KP_Enter>

	<<Console_Clear>>		<Control-Key-l>
	<<Console_KillLine>>		<Control-Key-k>
	<<Console_Transpose>>		<Control-Key-t>
	<<Console_ClearLine>>		<Control-Key-u>
	<<Console_SaveCommand>>		<Control-Key-z>
        <<Console_FontSizeIncr>>	<Control-Key-plus>
        <<Console_FontSizeDecr>>	<Control-Key-minus>
    } {
	event add $ev $key
	bind Console $key {}
    }
    if {[tk windowingsystem] eq "aqua"} {
	foreach {ev key} {
	    <<Console_FontSizeIncr>>	<Command-Key-plus>
	    <<Console_FontSizeDecr>>	<Command-Key-minus>
	} {
	    event add $ev $key
	    bind Console $key {}
	}
	if {$::tk::console::useFontchooser} {
	    bind Console <Command-Key-t> [list ::tk::console::FontchooserToggle]
	}
    }
    bind Console <<Console_Expand>> {
	if {[%W compare insert > promptEnd]} {
	    ::tk::console::Expand %W
	}
    }
    bind Console <<Console_ExpandFile>> {
	if {[%W compare insert > promptEnd]} {
	    ::tk::console::Expand %W path
	}
    }
    bind Console <<Console_ExpandProc>> {
	if {[%W compare insert > promptEnd]} {
	    ::tk::console::Expand %W proc
	}
    }
    bind Console <<Console_ExpandVar>> {
	if {[%W compare insert > promptEnd]} {
	    ::tk::console::Expand %W var
	}
    }
    bind Console <<Console_Eval>> {
	%W mark set insert {end - 1c}
	tk::ConsoleInsert %W "\n"
	tk::ConsoleInvoke
	break
    }
    bind Console <Delete> {
	if {{} ne [%W tag nextrange sel 1.0 end] \
		&& [%W compare sel.first >= promptEnd]} {
	    %W delete sel.first sel.last
	} elseif {[%W compare insert >= promptEnd]} {
	    %W delete insert
	    %W see insert
	}
    }
    bind Console <BackSpace> {
	if {{} ne [%W tag nextrange sel 1.0 end] \
		&& [%W compare sel.first >= promptEnd]} {
	    %W delete sel.first sel.last
	} elseif {[%W compare insert != 1.0] && \
		[%W compare insert > promptEnd]} {
	    %W delete insert-1c
	    %W see insert
	}
    }
    bind Console <Control-h> [bind Console <BackSpace>]

    bind Console <<LineStart>> {
	if {[%W compare insert < promptEnd]} {
	    tk::TextSetCursor %W {insert linestart}
	} else {
	    tk::TextSetCursor %W promptEnd
	}
    }
    bind Console <<LineEnd>> {
	tk::TextSetCursor %W {insert lineend}
    }
    bind Console <Control-d> {
	if {[%W compare insert < promptEnd]} {
	    break
	}
	%W delete insert
    }
    bind Console <<Console_KillLine>> {
	if {[%W compare insert < promptEnd]} {
	    break
	}
	if {[%W compare insert == {insert lineend}]} {
	    %W delete insert
	} else {
	    %W delete insert {insert lineend}
	}
    }
    bind Console <<Console_Clear>> {
	## Clear console display
	%W delete 1.0 "promptEnd linestart"
    }
    bind Console <<Console_ClearLine>> {
	## Clear command line (Unix shell staple)
	%W delete promptEnd end
    }
    bind Console <Meta-d> {
	if {[%W compare insert >= promptEnd]} {
	    %W delete insert {insert wordend}
	}
    }
    bind Console <Meta-BackSpace> {
	if {[%W compare {insert -1c wordstart} >= promptEnd]} {
	    %W delete {insert -1c wordstart} insert
	}
    }
    bind Console <Meta-d> {
	if {[%W compare insert >= promptEnd]} {
	    %W delete insert {insert wordend}
	}
    }
    bind Console <Meta-BackSpace> {
	if {[%W compare {insert -1c wordstart} >= promptEnd]} {
	    %W delete {insert -1c wordstart} insert
	}
    }
    bind Console <Meta-Delete> {
	if {[%W compare insert >= promptEnd]} {
	    %W delete insert {insert wordend}
	}
    }
    bind Console <<PrevLine>> {
	tk::ConsoleHistory prev
    }
    bind Console <<NextLine>> {
	tk::ConsoleHistory next
    }
    bind Console <Insert> {
	catch {tk::ConsoleInsert %W [::tk::GetSelection %W PRIMARY]}
    }
    bind Console <KeyPress> {
	tk::ConsoleInsert %W %A
    }
    bind Console <F9> {
	eval destroy [winfo child .]
	source [file join $tk_library console.tcl]
    }
    if {[tk windowingsystem] eq "aqua"} {
	bind Console <Command-q> {
	    exit
	}
    }
    bind Console <<Cut>> { ::tk::console::Cut %W }
    bind Console <<Copy>> { ::tk::console::Copy %W }
    bind Console <<Paste>> { ::tk::console::Paste %W }

    bind Console <<Console_FontSizeIncr>> {
        set size [font configure TkConsoleFont -size]
        if {$size < 0} {set sign -1} else {set sign 1}
        set size [expr {(abs($size) + 1) * $sign}]
        font configure TkConsoleFont -size $size
	if {$::tk::console::useFontchooser} {
	    tk fontchooser configure -font TkConsoleFont
	}
    }
    bind Console <<Console_FontSizeDecr>> {
        set size [font configure TkConsoleFont -size]
        if {abs($size) < 2} { return }
        if {$size < 0} {set sign -1} else {set sign 1}
        set size [expr {(abs($size) - 1) * $sign}]
        font configure TkConsoleFont -size $size
	if {$::tk::console::useFontchooser} {
	    tk fontchooser configure -font TkConsoleFont
	}
    }
    bind Console <<Console_FitScreenWidth>> {
	::tk::console::FitScreenWidth %W
    }

    ##
    ## Bindings for doing special things based on certain keys
    ##
    bind PostConsole <Key-parenright> {
	if {"\\" ne [%W get insert-2c]} {
	    ::tk::console::MatchPair %W \( \) promptEnd
	}
    }
    bind PostConsole <Key-bracketright> {
	if {"\\" ne [%W get insert-2c]} {
	    ::tk::console::MatchPair %W \[ \] promptEnd
	}
    }
    bind PostConsole <Key-braceright> {
	if {"\\" ne [%W get insert-2c]} {
	    ::tk::console::MatchPair %W \{ \} promptEnd
	}
    }
    bind PostConsole <Key-quotedbl> {
	if {"\\" ne [%W get insert-2c]} {
	    ::tk::console::MatchQuote %W promptEnd
	}
    }

    bind PostConsole <KeyPress> {
	if {"%A" ne ""} {
	    ::tk::console::TagProc %W
	}
    }
}

# ::tk::ConsoleInsert --
# Insert a string into a text at the point of the insertion cursor.
# If there is a selection in the text, and it covers the point of the
# insertion cursor, then delete the selection before inserting.  Insertion
# is restricted to the prompt area.
#
# Arguments:
# w -		The text window in which to insert the string
# s -		The string to insert (usually just a single character)

proc ::tk::ConsoleInsert {w s} {
    if {$s eq ""} {
	return
    }
    catch {
	if {[$w compare sel.first <= insert] \
		&& [$w compare sel.last >= insert]} {
	    $w tag remove sel sel.first promptEnd
	    $w delete sel.first sel.last
	}
    }
    if {[$w compare insert < promptEnd]} {
	$w mark set insert end
    }
    $w insert insert $s {input stdin}
    $w see insert
}

# ::tk::ConsoleOutput --
#
# This routine is called directly by ConsolePutsCmd to cause a string
# to be displayed in the console.
#
# Arguments:
# dest -	The output tag to be used: either "stderr" or "stdout".
# string -	The string to be displayed.

proc ::tk::ConsoleOutput {dest string} {
    set w .console
    $w insert output $string $dest
    ::tk::console::ConstrainBuffer $w $::tk::console::maxLines
    $w see insert
}

# ::tk::ConsoleExit --
#
# This routine is called by ConsoleEventProc when the main window of
# the application is destroyed.  Don't call exit - that probably already
# happened.  Just delete our window.
#
# Arguments:
# None.

proc ::tk::ConsoleExit {} {
    destroy .
}

# ::tk::ConsoleAbout --
#
# This routine displays an About box to show Tcl/Tk version info.
#
# Arguments:
# None.

proc ::tk::ConsoleAbout {} {
    tk_messageBox -type ok -message "[mc {Tcl for Windows}]

Tcl $::tcl_patchLevel
Tk $::tk_patchLevel"
}

# ::tk::console::Fontchooser* --
# 	Let the user select the console font (TIP 324).

proc ::tk::console::FontchooserToggle {} {
    if {[tk fontchooser configure -visible]} {
	tk fontchooser hide
    } else {
	tk fontchooser show
    }
}
proc ::tk::console::FontchooserVisibility {index} {
    if {[tk fontchooser configure -visible]} {
	.menubar.edit entryconfigure $index -label [msgcat::mc "Hide Fonts"]
    } else {
	.menubar.edit entryconfigure $index -label [msgcat::mc "Show Fonts"]
    }
}
proc ::tk::console::FontchooserFocus {w isFocusIn} {
    if {$isFocusIn} {
	tk fontchooser configure -parent $w -font TkConsoleFont \
		-command [namespace code [list FontchooserApply]]
    } else {
	tk fontchooser configure -parent $w -font {} -command {}
    }
}
proc ::tk::console::FontchooserApply {font args} {
    catch {font configure TkConsoleFont {*}[font actual $font]}
}

# ::tk::console::TagProc --
#
# Tags a procedure in the console if it's recognized
# This procedure is not perfect.  However, making it perfect wastes
# too much CPU time...
#
# Arguments:
#	w	- console text widget

proc ::tk::console::TagProc w {
    if {!$::tk::console::magicKeys} {
	return
    }
    set exp "\[^\\\\\]\[\[ \t\n\r\;{}\"\$\]"
    set i [$w search -backwards -regexp $exp insert-1c promptEnd-1c]
    if {$i eq ""} {
	set i promptEnd
    } else {
	append i +2c
    }
    regsub -all "\[\[\\\\\\?\\*\]" [$w get $i "insert-1c wordend"] {\\\0} c
    if {[llength [EvalAttached [list info commands $c]]]} {
	$w tag add proc $i "insert-1c wordend"
    } else {
	$w tag remove proc $i "insert-1c wordend"
    }
    if {[llength [EvalAttached [list info vars $c]]]} {
	$w tag add var $i "insert-1c wordend"
    } else {
	$w tag remove var $i "insert-1c wordend"
    }
}

# ::tk::console::MatchPair --
#
# Blinks a matching pair of characters
# c2 is assumed to be at the text index 'insert'.
# This proc is really loopy and took me an hour to figure out given
# all possible combinations with escaping except for escaped \'s.
# It doesn't take into account possible commenting... Oh well.  If
# anyone has something better, I'd like to see/use it.  This is really
# only efficient for small contexts.
#
# Arguments:
#	w	- console text widget
# 	c1	- first char of pair
# 	c2	- second char of pair
#
# Calls:	::tk::console::Blink

proc ::tk::console::MatchPair {w c1 c2 {lim 1.0}} {
    if {!$::tk::console::magicKeys} {
	return
    }
    if {{} ne [set ix [$w search -back $c1 insert $lim]]} {
	while {
	    [string match {\\} [$w get $ix-1c]] &&
	    [set ix [$w search -back $c1 $ix-1c $lim]] ne {}
	} {}
	set i1 insert-1c
	while {$ix ne {}} {
	    set i0 $ix
	    set j 0
	    while {[set i0 [$w search $c2 $i0 $i1]] ne {}} {
		append i0 +1c
		if {[string match {\\} [$w get $i0-2c]]} {
		    continue
		}
		incr j
	    }
	    if {!$j} {
		break
	    }
	    set i1 $ix
	    while {$j && [set ix [$w search -back $c1 $ix $lim]] ne {}} {
		if {[string match {\\} [$w get $ix-1c]]} {
		    continue
		}
		incr j -1
	    }
	}
	if {[string match {} $ix]} {
	    set ix [$w index $lim]
	}
    } else {
	set ix [$w index $lim]
    }
    if {$::tk::console::blinkRange} {
	Blink $w $ix [$w index insert]
    } else {
	Blink $w $ix $ix+1c [$w index insert-1c] [$w index insert]
    }
}

# ::tk::console::MatchQuote --
#
# Blinks between matching quotes.
# Blinks just the quote if it's unmatched, otherwise blinks quoted string
# The quote to match is assumed to be at the text index 'insert'.
#
# Arguments:
#	w	- console text widget
#
# Calls:	::tk::console::Blink

proc ::tk::console::MatchQuote {w {lim 1.0}} {
    if {!$::tk::console::magicKeys} {
	return
    }
    set i insert-1c
    set j 0
    while {[set i [$w search -back \" $i $lim]] ne {}} {
	if {[string match {\\} [$w get $i-1c]]} {
	    continue
	}
	if {!$j} {
	    set i0 $i
	}
	incr j
    }
    if {$j&1} {
	if {$::tk::console::blinkRange} {
	    Blink $w $i0 [$w index insert]
	} else {
	    Blink $w $i0 $i0+1c [$w index insert-1c] [$w index insert]
	}
    } else {
	Blink $w [$w index insert-1c] [$w index insert]
    }
}

# ::tk::console::Blink --
#
# Blinks between n index pairs for a specified duration.
#
# Arguments:
#	w	- console text widget
# 	i1	- start index to blink region
# 	i2	- end index of blink region
# 	dur	- duration in usecs to blink for
#
# Outputs:
#	blinks selected characters in $w

proc ::tk::console::Blink {w args} {
    eval [list $w tag add blink] $args
    after $::tk::console::blinkTime [list $w] tag remove blink $args
}

# ::tk::console::ConstrainBuffer --
#
# This limits the amount of data in the text widget
# Called by Prompt and ConsoleOutput
#
# Arguments:
#	w	- console text widget
#	size	- # of lines to constrain to
#
# Outputs:
#	may delete data in console widget

proc ::tk::console::ConstrainBuffer {w size} {
    if {[$w index end] > $size} {
	$w delete 1.0 [expr {int([$w index end])-$size}].0
    }
}

# ::tk::console::Expand --
#
# Arguments:
# ARGS:	w	- text widget in which to expand str
# 	type	- type of expansion (path / proc / variable)
#
# Calls:	::tk::console::Expand(Pathname|Procname|Variable)
#
# Outputs:	The string to match is expanded to the longest possible match.
#		If ::tk::console::showMatches is non-zero and the longest match
#		equaled the string to expand, then all possible matches are
#		output to stdout.  Triggers bell if no matches are found.
#
# Returns:	number of matches found

proc ::tk::console::Expand {w {type ""}} {
    set exp "\[^\\\\\]\[\[ \t\n\r\\\{\"\\\\\$\]"
    set tmp [$w search -backwards -regexp $exp insert-1c promptEnd-1c]
    if {$tmp eq ""} {
	set tmp promptEnd
    } else {
	append tmp +2c
    }
    if {[$w compare $tmp >= insert]} {
	return
    }
    set str [$w get $tmp insert]
    switch -glob $type {
	path* {
	    set res [ExpandPathname $str]
	}
	proc* {
	    set res [ExpandProcname $str]
	}
	var* {
	    set res [ExpandVariable $str]
	}
	default {
	    set res {}
	    foreach t {Pathname Procname Variable} {
		if {![catch {Expand$t $str} res] && ($res ne "")} {
		    break
		}
	    }
	}
    }
    set len [llength $res]
    if {$len} {
	set repl [lindex $res 0]
	$w delete $tmp insert
	$w insert $tmp $repl {input stdin}
	if {($len > 1) && ($::tk::console::showMatches) && ($repl eq $str)} {
	    puts stdout [lsort [lreplace $res 0 0]]
	}
    } else {
	bell
    }
    return [incr len -1]
}

# ::tk::console::ExpandPathname --
#
# Expand a file pathname based on $str
# This is based on UNIX file name conventions
#
# Arguments:
#	str	- partial file pathname to expand
#
# Calls:	::tk::console::ExpandBestMatch
#
# Returns:	list containing longest unique match followed by all the
#		possible further matches

proc ::tk::console::ExpandPathname str {
    set pwd [EvalAttached pwd]
    if {[catch {EvalAttached [list cd [file dirname $str]]} err opt]} {
	return -options $opt $err
    }
    set dir [file tail $str]
    ## Check to see if it was known to be a directory and keep the trailing
    ## slash if so (file tail cuts it off)
    if {[string match */ $str]} {
	append dir /
    }
    if {[catch {lsort [EvalAttached [list glob $dir*]]} m]} {
	set match {}
    } else {
	if {[llength $m] > 1} {
	    if { $::tcl_platform(platform) eq "windows" } {
		## Windows is screwy because it's case insensitive
		set tmp [ExpandBestMatch [string tolower $m] \
			[string tolower $dir]]
		## Don't change case if we haven't changed the word
		if {[string length $dir]==[string length $tmp]} {
		    set tmp $dir
		}
	    } else {
		set tmp [ExpandBestMatch $m $dir]
	    }
	    if {[string match ?*/* $str]} {
		set tmp [file dirname $str]/$tmp
	    } elseif {[string match /* $str]} {
		set tmp /$tmp
	    }
	    regsub -all { } $tmp {\\ } tmp
	    set match [linsert $m 0 $tmp]
	} else {
	    ## This may look goofy, but it handles spaces in path names
	    eval append match $m
	    if {[file isdir $match]} {
		append match /
	    }
	    if {[string match ?*/* $str]} {
		set match [file dirname $str]/$match
	    } elseif {[string match /* $str]} {
		set match /$match
	    }
	    regsub -all { } $match {\\ } match
	    ## Why is this one needed and the ones below aren't!!
	    set match [list $match]
	}
    }
    EvalAttached [list cd $pwd]
    return $match
}

# ::tk::console::ExpandProcname --
#
# Expand a tcl proc name based on $str
#
# Arguments:
#	str	- partial proc name to expand
#
# Calls:	::tk::console::ExpandBestMatch
#
# Returns:	list containing longest unique match followed by all the
#		possible further matches

proc ::tk::console::ExpandProcname str {
    set match [EvalAttached [list info commands $str*]]
    if {[llength $match] == 0} {
	set ns [EvalAttached \
		"namespace children \[namespace current\] [list $str*]"]
	if {[llength $ns]==1} {
	    set match [EvalAttached [list info commands ${ns}::*]]
	} else {
	    set match $ns
	}
    }
    if {[llength $match] > 1} {
	regsub -all { } [ExpandBestMatch $match $str] {\\ } str
	set match [linsert $match 0 $str]
    } else {
	regsub -all { } $match {\\ } match
    }
    return $match
}

# ::tk::console::ExpandVariable --
#
# Expand a tcl variable name based on $str
#
# Arguments:
#	str	- partial tcl var name to expand
#
# Calls:	::tk::console::ExpandBestMatch
#
# Returns:	list containing longest unique match followed by all the
#		possible further matches

proc ::tk::console::ExpandVariable str {
    if {[regexp {([^\(]*)\((.*)} $str -> ary str]} {
	## Looks like they're trying to expand an array.
	set match [EvalAttached [list array names $ary $str*]]
	if {[llength $match] > 1} {
	    set vars $ary\([ExpandBestMatch $match $str]
	    foreach var $match {
		lappend vars $ary\($var\)
	    }
	    return $vars
	} elseif {[llength $match] == 1} {
	    set match $ary\($match\)
	}
	## Space transformation avoided for array names.
    } else {
	set match [EvalAttached [list info vars $str*]]
	if {[llength $match] > 1} {
	    regsub -all { } [ExpandBestMatch $match $str] {\\ } str
	    set match [linsert $match 0 $str]
	} else {
	    regsub -all { } $match {\\ } match
	}
    }
    return $match
}

# ::tk::console::ExpandBestMatch --
#
# Finds the best unique match in a list of names.
# The extra $e in this argument allows us to limit the innermost loop a little
# further.  This improves speed as $l becomes large or $e becomes long.
#
# Arguments:
#	l	- list to find best unique match in
# 	e	- currently best known unique match
#
# Returns:	longest unique match in the list

proc ::tk::console::ExpandBestMatch {l {e {}}} {
    set ec [lindex $l 0]
    if {[llength $l]>1} {
	set e [expr {[string length $e] - 1}]
	set ei [expr {[string length $ec] - 1}]
	foreach l $l {
	    while {$ei>=$e && [string first $ec $l]} {
		set ec [string range $ec 0 [incr ei -1]]
	    }
	}
    }
    return $ec
}

# now initialize the console
::tk::ConsoleInit