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613 lines
15 KiB
613 lines
15 KiB
# -*- mode: TCL; fill-column: 75; tab-width: 8; coding: iso-latin-1-unix -*-
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#
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# $Id: Console.tcl,v 1.5 2008/02/27 22:17:28 hobbs Exp $
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#
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# Console.tcl --
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#
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# This code constructs the console window for an application.
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# It can be used by non-unix systems that do not have built-in
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# support for shells.
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#
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# This file was distributed as a part of Tk 4.1 by Sun
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# Microsystems, Inc. and subsequently modified by Expert
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# Interface Techonoligies and included as a part of Tix.
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#
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# Some of the functions in this file have been renamed from
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# using a "tk" prefix to a "tix" prefix to avoid namespace
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# conflict with the original file.
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#
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# Copyright (c) 1995-1996 Sun Microsystems, Inc.
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# Copyright (c) 1993-1999 Ioi Kim Lam.
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# Copyright (c) 2000-2001 Tix Project Group.
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#
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# See the file "docs/license.tcltk" for information on usage and
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# redistribution of the original file "console.tcl". These license
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# terms do NOT apply to other files in the Tix distribution.
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#
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# See the file "license.terms" for information on usage and
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# redistribution * of this file, and for a DISCLAIMER OF ALL
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# WARRANTIES.
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# tixConsoleInit --
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# This procedure constructs and configures the console windows.
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#
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# Arguments:
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# None.
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foreach fun {tkTextSetCursor} {
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if {![llength [info commands $fun]]} {
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tk::unsupported::ExposePrivateCommand $fun
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}
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}
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unset fun
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proc tixConsoleInit {} {
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global tcl_platform
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uplevel #0 set tixConsoleTextFont Courier
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uplevel #0 set tixConsoleTextSize 14
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set f [frame .f]
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set fontcb [tixComboBox $f.size -label "" -command "tixConsoleSetFont" \
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-variable tixConsoleTextFont \
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-options {
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entry.width 15
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listbox.height 5
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}]
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set sizecb [tixComboBox $f.font -label "" -command "tixConsoleSetFont" \
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-variable tixConsoleTextSize \
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-options {
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entry.width 4
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listbox.width 6
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listbox.height 5
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}]
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pack $fontcb $sizecb -side left
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pack $f -side top -fill x -padx 2 -pady 2
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foreach font {
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"Courier New"
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"Courier"
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"Helvetica"
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"Lucida"
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"Lucida Typewriter"
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"MS LineDraw"
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"System"
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"Times Roman"
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} {
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$fontcb subwidget listbox insert end $font
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}
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for {set s 6} {$s < 25} {incr s} {
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$sizecb subwidget listbox insert end $s
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}
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bind [$fontcb subwidget entry] <Escape> "focus .console"
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bind [$sizecb subwidget entry] <Escape> "focus .console"
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text .console -yscrollcommand ".sb set" -setgrid true \
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-highlightcolor [. cget -bg] -highlightbackground [. cget -bg]
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scrollbar .sb -command ".console yview" -highlightcolor [. cget -bg] \
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-highlightbackground [. cget -bg]
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pack .sb -side right -fill both
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pack .console -fill both -expand 1 -side left
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tixConsoleBind .console
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.console tag configure stderr -foreground red
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.console tag configure stdin -foreground blue
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focus .console
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wm protocol . WM_DELETE_WINDOW { wm withdraw . }
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wm title . "Console"
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flush stdout
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.console mark set output [.console index "end - 1 char"]
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tkTextSetCursor .console end
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.console mark set promptEnd insert
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.console mark gravity promptEnd left
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tixConsoleSetFont
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}
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proc tixConsoleSetFont {args} {
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if ![winfo exists .console] tixConsoleInit
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global tixConsoleTextFont tixConsoleTextSize
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set font -*-$tixConsoleTextFont-medium-r-normal-*-$tixConsoleTextSize-*-*-*-*-*-*-*
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.console config -font $font
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}
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# tixConsoleInvoke --
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# Processes the command line input. If the command is complete it
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# is evaled in the main interpreter. Otherwise, the continuation
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# prompt is added and more input may be added.
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#
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# Arguments:
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# None.
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proc tixConsoleInvoke {args} {
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if ![winfo exists .console] tixConsoleInit
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if {[.console dlineinfo insert] != {}} {
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set setend 1
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} else {
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set setend 0
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}
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set ranges [.console tag ranges input]
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set cmd ""
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if {$ranges != ""} {
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set pos 0
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while {[lindex $ranges $pos] != ""} {
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set start [lindex $ranges $pos]
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set end [lindex $ranges [incr pos]]
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append cmd [.console get $start $end]
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incr pos
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}
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}
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if {$cmd == ""} {
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tixConsolePrompt
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} elseif {[info complete $cmd]} {
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.console mark set output end
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.console tag delete input
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set err [catch {
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set result [interp record $cmd]
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} result]
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if {$result != ""} {
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if {$err} {
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.console insert insert "$result\n" stderr
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} else {
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.console insert insert "$result\n"
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}
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}
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tixConsoleHistory reset
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tixConsolePrompt
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} else {
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tixConsolePrompt partial
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}
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if {$setend} {
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.console yview -pickplace insert
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}
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}
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# tixConsoleHistory --
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# This procedure implements command line history for the
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# console. In general is evals the history command in the
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# main interpreter to obtain the history. The global variable
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# histNum is used to store the current location in the history.
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#
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# Arguments:
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# cmd - Which action to take: prev, next, reset.
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set histNum 1
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proc tixConsoleHistory {cmd} {
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if ![winfo exists .console] tixConsoleInit
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global histNum
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switch $cmd {
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prev {
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incr histNum -1
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if {$histNum == 0} {
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set cmd {history event [expr [history nextid] -1]}
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} else {
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set cmd "history event $histNum"
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}
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if {[catch {interp eval $cmd} cmd]} {
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incr histNum
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return
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}
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.console delete promptEnd end
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.console insert promptEnd $cmd {input stdin}
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}
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next {
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incr histNum
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if {$histNum == 0} {
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set cmd {history event [expr [history nextid] -1]}
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} elseif {$histNum > 0} {
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set cmd ""
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set histNum 1
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} else {
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set cmd "history event $histNum"
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}
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if {$cmd != ""} {
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catch {interp eval $cmd} cmd
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}
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.console delete promptEnd end
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.console insert promptEnd $cmd {input stdin}
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}
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reset {
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set histNum 1
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}
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}
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}
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# tixConsolePrompt --
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# This procedure draws the prompt. If tcl_prompt1 or tcl_prompt2
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# exists in the main interpreter it will be called to generate the
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# prompt. Otherwise, a hard coded default prompt is printed.
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#
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# Arguments:
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# partial - Flag to specify which prompt to print.
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proc tixConsolePrompt {{partial normal}} {
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if ![winfo exists .console] tixConsoleInit
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if {$partial == "normal"} {
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set temp [.console index "end - 1 char"]
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.console mark set output end
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if {[interp eval "info exists tcl_prompt1"]} {
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interp eval "eval \[set tcl_prompt1\]"
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} else {
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puts -nonewline "% "
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}
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} else {
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set temp [.console index output]
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.console mark set output end
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if {[interp eval "info exists tcl_prompt2"]} {
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interp eval "eval \[set tcl_prompt2\]"
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} else {
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puts -nonewline "> "
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}
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}
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flush stdout
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.console mark set output $temp
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tkTextSetCursor .console end
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.console mark set promptEnd insert
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.console mark gravity promptEnd left
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}
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# tixConsoleBind --
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# This procedure first ensures that the default bindings for the Text
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# class have been defined. Then certain bindings are overridden for
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# the class.
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#
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# Arguments:
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# None.
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proc tixConsoleBind {win} {
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if ![winfo exists .console] tixConsoleInit
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bindtags $win "$win Text . all"
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# Ignore all Alt, Meta, and Control keypresses unless explicitly bound.
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# Otherwise, if a widget binding for one of these is defined, the
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# <KeyPress> class binding will also fire and insert the character,
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# which is wrong. Ditto for <Escape>.
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bind $win <Alt-KeyPress> {# nothing }
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bind $win <Meta-KeyPress> {# nothing}
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bind $win <Control-KeyPress> {# nothing}
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bind $win <Escape> {# nothing}
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bind $win <KP_Enter> {# nothing}
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bind $win <Tab> {
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tixConsoleInsert %W \t
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focus %W
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break
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}
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bind $win <Return> {
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%W mark set insert {end - 1c}
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tixConsoleInsert %W "\n"
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tixConsoleInvoke
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break
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}
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bind $win <Delete> {
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if {[%W tag nextrange sel 1.0 end] != ""} {
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%W tag remove sel sel.first promptEnd
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} else {
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if {[%W compare insert < promptEnd]} {
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break
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}
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}
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}
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bind $win <BackSpace> {
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if {[%W tag nextrange sel 1.0 end] != ""} {
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%W tag remove sel sel.first promptEnd
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} else {
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if {[%W compare insert <= promptEnd]} {
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break
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}
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}
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}
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foreach left {Control-a Home} {
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bind $win <$left> {
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if {[%W compare insert < promptEnd]} {
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tkTextSetCursor %W {insert linestart}
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} else {
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tkTextSetCursor %W promptEnd
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}
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break
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}
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}
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foreach right {Control-e End} {
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bind $win <$right> {
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tkTextSetCursor %W {insert lineend}
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break
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}
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}
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bind $win <Control-d> {
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if {[%W compare insert < promptEnd]} {
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break
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}
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}
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bind $win <Control-k> {
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if {[%W compare insert < promptEnd]} {
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%W mark set insert promptEnd
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}
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}
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bind $win <Control-t> {
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if {[%W compare insert < promptEnd]} {
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break
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}
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}
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bind $win <Meta-d> {
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if {[%W compare insert < promptEnd]} {
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break
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}
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}
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bind $win <Meta-BackSpace> {
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if {[%W compare insert <= promptEnd]} {
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break
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}
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}
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bind $win <Control-h> {
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if {[%W compare insert <= promptEnd]} {
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break
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}
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}
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foreach prev {Control-p Up} {
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bind $win <$prev> {
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tixConsoleHistory prev
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break
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}
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}
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foreach prev {Control-n Down} {
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bind $win <$prev> {
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tixConsoleHistory next
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break
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}
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}
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bind $win <Control-v> {
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if {[%W compare insert > promptEnd]} {
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catch {
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%W insert insert [selection get -displayof %W] {input stdin}
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%W see insert
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}
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}
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break
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}
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bind $win <Insert> {
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catch {tixConsoleInsert %W [selection get -displayof %W]}
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break
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}
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bind $win <KeyPress> {
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tixConsoleInsert %W %A
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break
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}
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foreach left {Control-b Left} {
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bind $win <$left> {
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if {[%W compare insert == promptEnd]} {
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break
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}
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tkTextSetCursor %W insert-1c
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break
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}
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}
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foreach right {Control-f Right} {
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bind $win <$right> {
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tkTextSetCursor %W insert+1c
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break
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}
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}
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bind $win <Control-Up> {
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%W yview scroll -1 unit
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break;
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}
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bind $win <Control-Down> {
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%W yview scroll 1 unit
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break;
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}
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bind $win <Prior> {
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%W yview scroll -1 pages
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}
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bind $win <Next> {
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%W yview scroll 1 pages
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}
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bind $win <F9> {
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eval destroy [winfo child .]
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source $tix_library/Console.tcl
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}
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foreach copy {F16 Meta-w Control-i} {
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bind $win <$copy> {
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if {[selection own -displayof %W] == "%W"} {
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clipboard clear -displayof %W
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catch {
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clipboard append -displayof %W [selection get -displayof %W]
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}
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}
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break
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}
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}
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foreach paste {F18 Control-y} {
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bind $win <$paste> {
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catch {
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set clip [selection get -displayof %W -selection CLIPBOARD]
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set list [split $clip \n\r]
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tixConsoleInsert %W [lindex $list 0]
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foreach x [lrange $list 1 end] {
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%W mark set insert {end - 1c}
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tixConsoleInsert %W "\n"
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tixConsoleInvoke
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tixConsoleInsert %W $x
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}
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}
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break
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}
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}
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}
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# tixConsoleInsert --
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# Insert a string into a text at the point of the insertion cursor.
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# If there is a selection in the text, and it covers the point of the
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# insertion cursor, then delete the selection before inserting. Insertion
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# is restricted to the prompt area.
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#
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# Arguments:
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# w - The text window in which to insert the string
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# s - The string to insert (usually just a single character)
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proc tixConsoleInsert {w s} {
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if ![winfo exists .console] tixConsoleInit
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if {[.console dlineinfo insert] != {}} {
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set setend 1
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} else {
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set setend 0
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}
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if {$s == ""} {
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return
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}
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catch {
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if {[$w compare sel.first <= insert]
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&& [$w compare sel.last >= insert]} {
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$w tag remove sel sel.first promptEnd
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$w delete sel.first sel.last
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}
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}
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if {[$w compare insert < promptEnd]} {
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$w mark set insert end
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}
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$w insert insert $s {input stdin}
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if $setend {
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.console see insert
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}
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}
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# tixConsoleOutput --
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#
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# This routine is called directly by ConsolePutsCmd to cause a string
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# to be displayed in the console.
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#
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# Arguments:
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# dest - The output tag to be used: either "stderr" or "stdout".
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# string - The string to be displayed.
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proc tixConsoleOutput {dest string} {
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if ![winfo exists .console] tixConsoleInit
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if {[.console dlineinfo insert] != {}} {
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set setend 1
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} else {
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set setend 0
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}
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.console insert output $string $dest
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if $setend {
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.console see insert
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}
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}
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# tixConsoleExit --
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#
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# This routine is called by ConsoleEventProc when the main window of
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# the application is destroyed.
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#
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# Arguments:
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# None.
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proc tixConsoleExit {} {
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if ![winfo exists .console] tixConsoleInit
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exit
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}
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# Configure the default Tk console
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proc tixConsoleEvalAppend {inter} {
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global tixOption
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# A slave like the console interp has no global variables set!
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if {!$inter} {
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console hide
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# Change the menubar to Close the console instead of exiting
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# Your code must provide a way for the user to do a "console show"
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console eval {
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if {[winfo exists .menubar.file]} {
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.menubar.file entryconfigure "Hide Console" \
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-underline 0 \
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-label Close \
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-command [list wm withdraw .]
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.menubar.file entryconfigure Exit -state disabled
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}
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}
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}
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console eval ".option configure -font \{$tixOption(fixed_font)\}"
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console eval {
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if {[winfo exists .menubar.edit]} {
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.menubar.edit add sep
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.menubar.edit add command \
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-accelerator 'Ctrl+l' \
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-underline 0 \
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-label Clear \
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-command [list .console delete 1.0 end]
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bind .console <Control-Key-l> [list .console delete 1.0 end]
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}
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if {![winfo exists .menubar.font]} {
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set m .menubar.font
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menu $m -tearoff 0
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.menubar add cascade -menu .menubar.font \
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-underline 0 -label Options
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global _TixConsole
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set font [font actual [.console cget -font]]
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set pos [lsearch $font -family]
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set _TixConsole(font) [lindex $font [incr pos]]
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set pos [lsearch $font -size]
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set _TixConsole(size) [lindex $font [incr pos]]
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set pos [lsearch $font -weight]
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set _TixConsole(weight) [lindex $font [incr pos]]
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set allowed {System Fixedsys Terminal {MS Serif}
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{MS Sans Serif} Courier {Lucida Console} Tahoma
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Arial {Courier New} {Times New Roman}
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{Arial Black} Verdana Garamond {Arial Narrow}}
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.menubar.font add cascade -label Font -menu $m.font
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menu $m.font -tearoff 0
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foreach font [lsort [font families]] {
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if {[lsearch $allowed $font] < 0} {continue}
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$m.font add radiobutton -label $font \
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-variable _TixConsole(font) \
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-value $font \
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-command \
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".console configure -font \"\{$font\} \$_TixConsole(size) \$_TixConsole(weight)\""
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}
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.menubar.font add cascade -label Size -menu $m.size
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menu $m.size -tearoff 0
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foreach size {8 9 10 12 14 16 18} {
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$m.size add radiobutton -label $size \
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-variable _TixConsole(size) \
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-value $size \
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-command \
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".console configure -font \"\{\$_TixConsole(font)\} $size \$_TixConsole(weight)\""
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}
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.menubar.font add cascade -label Weight -menu $m.weight
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menu $m.weight -tearoff 0
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foreach weight {normal bold} {
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$m.weight add radiobutton -label [string totit $weight] \
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-variable _TixConsole(weight) \
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-value $weight \
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-command \
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".console configure -font \"\{\$_TixConsole(font)\} \$_TixConsole(size) $weight\""
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}
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}
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}
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}
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