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935 lines
26 KiB
Tcl
935 lines
26 KiB
Tcl
# console.tcl --
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#
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# This code constructs the console window for an application. It
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# can be used by non-unix systems that do not have built-in support
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# for shells.
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#
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# RCS: @(#) $Id: console.tcl,v 1.21 2002/08/31 06:12:28 das Exp $
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#
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# Copyright (c) 1995-1997 Sun Microsystems, Inc.
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# Copyright (c) 1998-2000 Ajuba Solutions.
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#
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# See the file "license.terms" for information on usage and redistribution
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# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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#
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# TODO: history - remember partially written command
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namespace eval ::tk::console {
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variable blinkTime 500 ; # msecs to blink braced range for
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variable blinkRange 1 ; # enable blinking of the entire braced range
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variable magicKeys 1 ; # enable brace matching and proc/var recognition
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variable maxLines 600 ; # maximum # of lines buffered in console
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variable showMatches 1 ; # show multiple expand matches
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variable inPlugin [info exists embed_args]
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variable defaultPrompt ; # default prompt if tcl_prompt1 isn't used
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if {$inPlugin} {
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set defaultPrompt {subst {[history nextid] % }}
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} else {
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set defaultPrompt {subst {([file tail [pwd]]) [history nextid] % }}
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}
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}
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# simple compat function for tkcon code added for this console
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interp alias {} EvalAttached {} consoleinterp eval
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# ::tk::ConsoleInit --
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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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proc ::tk::ConsoleInit {} {
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global tcl_platform
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if {![consoleinterp eval {set tcl_interactive}]} {
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wm withdraw .
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}
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if {[string equal $tcl_platform(platform) "macintosh"]
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|| [string equal [tk windowingsystem] "aqua"]} {
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set mod "Cmd"
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} else {
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set mod "Ctrl"
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}
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if {[catch {menu .menubar} err]} { bgerror "INIT: $err" }
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.menubar add cascade -label File -menu .menubar.file -underline 0
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.menubar add cascade -label Edit -menu .menubar.edit -underline 0
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menu .menubar.file -tearoff 0
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.menubar.file add command -label [mc "Source..."] \
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-underline 0 -command tk::ConsoleSource
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.menubar.file add command -label [mc "Hide Console"] \
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-underline 0 -command {wm withdraw .}
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.menubar.file add command -label [mc "Clear Console"] \
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-underline 0 -command {.console delete 1.0 "promptEnd linestart"}
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if {[string equal $tcl_platform(platform) "macintosh"]
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|| [string equal [tk windowingsystem] "aqua"]} {
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.menubar.file add command -label [mc "Quit"] \
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-command exit -accel Cmd-Q
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} else {
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.menubar.file add command -label [mc "Exit"] \
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-underline 1 -command exit
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}
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menu .menubar.edit -tearoff 0
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.menubar.edit add command -label [mc "Cut"] -underline 2 \
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-command { event generate .console <<Cut>> } -accel "$mod+X"
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.menubar.edit add command -label [mc "Copy"] -underline 0 \
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-command { event generate .console <<Copy>> } -accel "$mod+C"
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.menubar.edit add command -label [mc "Paste"] -underline 1 \
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-command { event generate .console <<Paste>> } -accel "$mod+V"
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if {[string compare $tcl_platform(platform) "windows"]} {
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.menubar.edit add command -label [mc "Clear"] -underline 2 \
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-command { event generate .console <<Clear>> }
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} else {
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.menubar.edit add command -label [mc "Delete"] -underline 0 \
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-command { event generate .console <<Clear>> } -accel "Del"
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.menubar add cascade -label Help -menu .menubar.help -underline 0
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menu .menubar.help -tearoff 0
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.menubar.help add command -label [mc "About..."] \
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-underline 0 -command tk::ConsoleAbout
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}
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. configure -menu .menubar
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set con [text .console -yscrollcommand [list .sb set] -setgrid true]
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scrollbar .sb -command [list $con yview]
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pack .sb -side right -fill both
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pack $con -fill both -expand 1 -side left
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switch -exact $tcl_platform(platform) {
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"macintosh" {
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$con configure -font {Monaco 9 normal} -highlightthickness 0
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}
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"windows" {
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$con configure -font systemfixed
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}
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"unix" {
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if {[string equal [tk windowingsystem] "aqua"]} {
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$con configure -font {Monaco 9 normal} -highlightthickness 0
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}
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}
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}
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ConsoleBind $con
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$con tag configure stderr -foreground red
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$con tag configure stdin -foreground blue
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$con tag configure prompt -foreground \#8F4433
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$con tag configure proc -foreground \#008800
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$con tag configure var -background \#FFC0D0
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$con tag raise sel
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$con tag configure blink -background \#FFFF00
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$con tag configure find -background \#FFFF00
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focus $con
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wm protocol . WM_DELETE_WINDOW { wm withdraw . }
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wm title . [mc "Console"]
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flush stdout
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$con mark set output [$con index "end - 1 char"]
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tk::TextSetCursor $con end
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$con mark set promptEnd insert
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$con mark gravity promptEnd left
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}
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# ::tk::ConsoleSource --
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#
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# Prompts the user for a file to source in the main interpreter.
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#
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# Arguments:
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# None.
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proc ::tk::ConsoleSource {} {
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set filename [tk_getOpenFile -defaultextension .tcl -parent . \
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-title [mc "Select a file to source"] \
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-filetypes [list \
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[list [mc "Tcl Scripts"] .tcl] \
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[list [mc "All Files"] *]]]
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if {[string compare $filename ""]} {
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set cmd [list source $filename]
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if {[catch {consoleinterp eval $cmd} result]} {
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ConsoleOutput stderr "$result\n"
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}
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}
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}
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# ::tk::ConsoleInvoke --
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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 ::tk::ConsoleInvoke {args} {
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set ranges [.console tag ranges input]
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set cmd ""
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if {[llength $ranges]} {
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set pos 0
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while {[string compare [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 {[string equal $cmd ""]} {
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ConsolePrompt
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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 result [consoleinterp record $cmd]
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if {[string compare $result ""]} {
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puts $result
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}
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ConsoleHistory reset
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ConsolePrompt
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} else {
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ConsolePrompt partial
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}
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.console yview -pickplace insert
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}
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# ::tk::ConsoleHistory --
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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 variable
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# ::tk::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 ::tk::HistNum 1
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proc ::tk::ConsoleHistory {cmd} {
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variable 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 {consoleinterp 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 {[string compare $cmd ""]} {
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catch {consoleinterp 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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# ::tk::ConsolePrompt --
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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 ::tk::ConsolePrompt {{partial normal}} {
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set w .console
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if {[string equal $partial "normal"]} {
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set temp [$w index "end - 1 char"]
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$w mark set output end
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if {[consoleinterp eval "info exists tcl_prompt1"]} {
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consoleinterp eval "eval \[set tcl_prompt1\]"
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} else {
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puts -nonewline [EvalAttached $::tk::console::defaultPrompt]
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}
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} else {
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set temp [$w index output]
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$w mark set output end
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if {[consoleinterp eval "info exists tcl_prompt2"]} {
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consoleinterp 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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$w mark set output $temp
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::tk::TextSetCursor $w end
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$w mark set promptEnd insert
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$w mark gravity promptEnd left
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::tk::console::ConstrainBuffer $w $::tk::console::maxLines
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$w see end
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}
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# ::tk::ConsoleBind --
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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 ::tk::ConsoleBind {w} {
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bindtags $w [list $w Console PostConsole [winfo toplevel $w] all]
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## Get all Text bindings into Console
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foreach ev [bind Text] { bind Console $ev [bind Text $ev] }
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## We really didn't want the newline insertion...
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bind Console <Control-Key-o> {}
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## ...or any Control-v binding (would block <<Paste>>)
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bind Console <Control-Key-v> {}
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# For the moment, transpose isn't enabled until the console
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# gets and overhaul of how it handles input -- hobbs
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bind Console <Control-Key-t> {}
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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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bind Console <Alt-KeyPress> {# nothing }
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bind Console <Meta-KeyPress> {# nothing}
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bind Console <Control-KeyPress> {# nothing}
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foreach {ev key} {
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<<Console_Prev>> <Key-Up>
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<<Console_Next>> <Key-Down>
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<<Console_NextImmediate>> <Control-Key-n>
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<<Console_PrevImmediate>> <Control-Key-p>
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<<Console_PrevSearch>> <Control-Key-r>
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<<Console_NextSearch>> <Control-Key-s>
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<<Console_Expand>> <Key-Tab>
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<<Console_Expand>> <Key-Escape>
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<<Console_ExpandFile>> <Control-Shift-Key-F>
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<<Console_ExpandProc>> <Control-Shift-Key-P>
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<<Console_ExpandVar>> <Control-Shift-Key-V>
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<<Console_Tab>> <Control-Key-i>
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<<Console_Tab>> <Meta-Key-i>
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<<Console_Eval>> <Key-Return>
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<<Console_Eval>> <Key-KP_Enter>
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<<Console_Clear>> <Control-Key-l>
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<<Console_KillLine>> <Control-Key-k>
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<<Console_Transpose>> <Control-Key-t>
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<<Console_ClearLine>> <Control-Key-u>
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<<Console_SaveCommand>> <Control-Key-z>
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} {
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event add $ev $key
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bind Console $key {}
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}
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bind Console <<Console_Expand>> {
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if {[%W compare insert > promptEnd]} {::tk::console::Expand %W}
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}
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bind Console <<Console_ExpandFile>> {
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if {[%W compare insert > promptEnd]} {::tk::console::Expand %W path}
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}
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bind Console <<Console_ExpandProc>> {
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if {[%W compare insert > promptEnd]} {::tk::console::Expand %W proc}
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}
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bind Console <<Console_ExpandVar>> {
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if {[%W compare insert > promptEnd]} {::tk::console::Expand %W var}
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}
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bind Console <<Console_Eval>> {
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%W mark set insert {end - 1c}
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tk::ConsoleInsert %W "\n"
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tk::ConsoleInvoke
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break
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}
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bind Console <Delete> {
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if {[string compare {} [%W tag nextrange sel 1.0 end]] \
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&& [%W compare sel.first >= promptEnd]} {
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%W delete sel.first sel.last
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} elseif {[%W compare insert >= promptEnd]} {
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%W delete insert
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%W see insert
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}
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}
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bind Console <BackSpace> {
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if {[string compare {} [%W tag nextrange sel 1.0 end]] \
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&& [%W compare sel.first >= promptEnd]} {
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%W delete sel.first sel.last
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} elseif {[%W compare insert != 1.0] && \
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[%W compare insert > promptEnd]} {
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%W delete insert-1c
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%W see insert
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}
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}
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bind Console <Control-h> [bind Console <BackSpace>]
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bind Console <Home> {
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if {[%W compare insert < promptEnd]} {
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tk::TextSetCursor %W {insert linestart}
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} else {
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tk::TextSetCursor %W promptEnd
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}
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}
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bind Console <Control-a> [bind Console <Home>]
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bind Console <End> {
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tk::TextSetCursor %W {insert lineend}
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}
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bind Console <Control-e> [bind Console <End>]
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bind Console <Control-d> {
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if {[%W compare insert < promptEnd]} break
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%W delete insert
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}
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bind Console <<Console_KillLine>> {
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if {[%W compare insert < promptEnd]} break
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if {[%W compare insert == {insert lineend}]} {
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%W delete insert
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} else {
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%W delete insert {insert lineend}
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}
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}
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bind Console <<Console_Clear>> {
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## Clear console display
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%W delete 1.0 "promptEnd linestart"
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}
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bind Console <<Console_ClearLine>> {
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## Clear command line (Unix shell staple)
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%W delete promptEnd end
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}
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bind Console <Meta-d> {
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if {[%W compare insert >= promptEnd]} {
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%W delete insert {insert wordend}
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}
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}
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bind Console <Meta-BackSpace> {
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if {[%W compare {insert -1c wordstart} >= promptEnd]} {
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%W delete {insert -1c wordstart} insert
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}
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}
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bind Console <Meta-d> {
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if {[%W compare insert >= promptEnd]} {
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%W delete insert {insert wordend}
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}
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}
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bind Console <Meta-BackSpace> {
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if {[%W compare {insert -1c wordstart} >= promptEnd]} {
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%W delete {insert -1c wordstart} insert
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}
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}
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bind Console <Meta-Delete> {
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if {[%W compare insert >= promptEnd]} {
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%W delete insert {insert wordend}
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}
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}
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bind Console <<Console_Prev>> {
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tk::ConsoleHistory prev
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}
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bind Console <<Console_Next>> {
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tk::ConsoleHistory next
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}
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bind Console <Insert> {
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catch {tk::ConsoleInsert %W [::tk::GetSelection %W PRIMARY]}
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}
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bind Console <KeyPress> {
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tk::ConsoleInsert %W %A
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}
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bind Console <F9> {
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eval destroy [winfo child .]
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if {[string equal $tcl_platform(platform) "macintosh"]} {
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if {[catch {source [file join $tk_library console.tcl]}]} {source -rsrc console}
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} else {
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source [file join $tk_library console.tcl]
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}
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}
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bind Console <<Cut>> {
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# Same as the copy event
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if {![catch {set data [%W get sel.first sel.last]}]} {
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clipboard clear -displayof %W
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clipboard append -displayof %W $data
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}
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}
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bind Console <<Copy>> {
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if {![catch {set data [%W get sel.first sel.last]}]} {
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clipboard clear -displayof %W
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clipboard append -displayof %W $data
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}
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}
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bind Console <<Paste>> {
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catch {
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set clip [::tk::GetSelection %W CLIPBOARD]
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set list [split $clip \n\r]
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tk::ConsoleInsert %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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tk::ConsoleInsert %W "\n"
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tk::ConsoleInvoke
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tk::ConsoleInsert %W $x
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}
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}
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}
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|
##
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|
## Bindings for doing special things based on certain keys
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##
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bind PostConsole <Key-parenright> {
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if {[string compare \\ [%W get insert-2c]]} {
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::tk::console::MatchPair %W \( \) promptEnd
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}
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}
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bind PostConsole <Key-bracketright> {
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if {[string compare \\ [%W get insert-2c]]} {
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::tk::console::MatchPair %W \[ \] promptEnd
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}
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}
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bind PostConsole <Key-braceright> {
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if {[string compare \\ [%W get insert-2c]]} {
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::tk::console::MatchPair %W \{ \} promptEnd
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}
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}
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bind PostConsole <Key-quotedbl> {
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if {[string compare \\ [%W get insert-2c]]} {
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::tk::console::MatchQuote %W promptEnd
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}
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}
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bind PostConsole <KeyPress> {
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if {"%A" != ""} {
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::tk::console::TagProc %W
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}
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break
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}
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}
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# ::tk::ConsoleInsert --
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# 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 {[string equal $s ""]} {
|
|
return
|
|
}
|
|
catch {
|
|
if {[$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 $::tk_patchLevel"
|
|
}
|
|
|
|
# ::tk::console::TagProc --
|
|
#
|
|
# Tags a procedure in the console if it's recognized
|
|
# This procedure is not perfect. However, making it perfect wastes
|
|
# too much CPU time...
|
|
#
|
|
# Arguments:
|
|
# w - console text widget
|
|
|
|
proc ::tk::console::TagProc w {
|
|
if {!$::tk::console::magicKeys} { return }
|
|
set exp "\[^\\\\\]\[\[ \t\n\r\;{}\"\$\]"
|
|
set i [$w search -backwards -regexp $exp insert-1c promptEnd-1c]
|
|
if {$i == ""} {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 {[string compare {} [set ix [$w search -back $c1 insert $lim]]]} {
|
|
while {
|
|
[string match {\\} [$w get $ix-1c]] &&
|
|
[string compare {} [set ix [$w search -back $c1 $ix-1c $lim]]]
|
|
} {}
|
|
set i1 insert-1c
|
|
while {[string compare {} $ix]} {
|
|
set i0 $ix
|
|
set j 0
|
|
while {[string compare {} [set i0 [$w search $c2 $i0 $i1]]]} {
|
|
append i0 +1c
|
|
if {[string match {\\} [$w get $i0-2c]]} continue
|
|
incr j
|
|
}
|
|
if {!$j} break
|
|
set i1 $ix
|
|
while {$j && [string compare {} \
|
|
[set ix [$w search -back $c1 $ix $lim]]]} {
|
|
if {[string match {\\} [$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 {[string compare [set i [$w search -back \" $i $lim]] {}]} {
|
|
if {[string match {\\} [$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 == ""} {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 != "")} { 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 \
|
|
&& [string equal $repl $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]} {
|
|
return -code error $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} {
|
|
global tcl_platform
|
|
if {[string match windows $tcl_platform(platform)]} {
|
|
## 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 junk 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
|
|
} else {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 [string length $e]; incr e -1
|
|
set ei [string length $ec]; incr ei -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
|