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- # Console.tcl --
- #
- # This code constructs the console window for an application.
- # It can be used by non-unix systems that do not have built-in
- # support for shells.
- #
- # This file was distributed as a part of Tk 4.1 by Sun
- # Microsystems, Inc. and subsequently modified by Expert
- # Interface Techonoligies and included as a part of Tix.
- #
- # Some of the functions in this file have been renamed from
- # using a "tk" prefix to a "tix" prefix to avoid namespace
- # conflict with the original file.
- #
- # Copyright (c) 1995-1996 Sun Microsystems, Inc.
- # Copyright (c) 1996 Expert Interface Technologies.
- #
- # See the file "docs/license.tcltk" for information on usage and
- # redistribution of the original file "console.tcl". These license
- # terms do NOT apply to other files in the Tix distribution.
- #
- # See the file "license.terms" for information on usage and
- # redistribution * of this file, and for a DISCLAIMER OF ALL
- # WARRANTIES.
-
- # tixConsoleInit --
- # This procedure constructs and configures the console windows.
- #
- # Arguments:
- # None.
-
- proc tixConsoleInit {} {
- global tcl_platform
-
- uplevel #0 set tixConsoleTextFont Courier
- uplevel #0 set tixConsoleTextSize 14
-
- set f [frame .f]
- set fontcb [tixComboBox $f.size -label "" -command "tixConsoleSetFont" \
- -variable tixConsoleTextFont \
- -options {
- entry.width 15
- listbox.height 5
- }]
- set sizecb [tixComboBox $f.font -label "" -command "tixConsoleSetFont" \
- -variable tixConsoleTextSize \
- -options {
- entry.width 4
- listbox.width 6
- listbox.height 5
- }]
- pack $fontcb $sizecb -side left
- pack $f -side top -fill x -padx 2 -pady 2
- foreach font {
- "Courier New"
- "Courier"
- "Helvetica"
- "Lucida"
- "Lucida Typewriter"
- "MS LineDraw"
- "System"
- "Times Roman"
- } {
- $fontcb subwidget listbox insert end $font
- }
-
- for {set s 6} {$s < 25} {incr s} {
- $sizecb subwidget listbox insert end $s
- }
-
- bind [$fontcb subwidget entry] <Escape> "focus .console"
- bind [$sizecb subwidget entry] <Escape> "focus .console"
-
- text .console -yscrollcommand ".sb set" -setgrid true \
- -highlightcolor [. cget -bg] -highlightbackground [. cget -bg] \
- -cursor left_ptr
- scrollbar .sb -command ".console yview" -highlightcolor [. cget -bg] \
- -highlightbackground [. cget -bg]
- pack .sb -side right -fill both
- pack .console -fill both -expand 1 -side left
-
- tixConsoleBind .console
-
- .console tag configure stderr -foreground red
- .console tag configure stdin -foreground blue
-
- focus .console
-
- wm protocol . WM_DELETE_WINDOW { wm withdraw . }
- wm title . "Console"
- flush stdout
- .console mark set output [.console index "end - 1 char"]
- tkTextSetCursor .console end
- .console mark set promptEnd insert
- .console mark gravity promptEnd left
-
- tixConsoleSetFont
- }
-
- proc tixConsoleSetFont {args} {
- if ![winfo exists .console] tixConsoleInit
-
- global tixConsoleTextFont tixConsoleTextSize
-
- set font -*-$tixConsoleTextFont-medium-r-normal-*-$tixConsoleTextSize-*-*-*-*-*-*-*
- .console config -font $font
- }
-
- # tixConsoleInvoke --
- # Processes the command line input. If the command is complete it
- # is evaled in the main interpreter. Otherwise, the continuation
- # prompt is added and more input may be added.
- #
- # Arguments:
- # None.
-
- proc tixConsoleInvoke {args} {
- if ![winfo exists .console] tixConsoleInit
-
- if {[.console dlineinfo insert] != {}} {
- set setend 1
- } else {
- set setend 0
- }
- set ranges [.console tag ranges input]
- set cmd ""
- if {$ranges != ""} {
- set pos 0
- while {[lindex $ranges $pos] != ""} {
- set start [lindex $ranges $pos]
- set end [lindex $ranges [incr pos]]
- append cmd [.console get $start $end]
- incr pos
- }
- }
- if {$cmd == ""} {
- tixConsolePrompt
- } elseif [info complete $cmd] {
- .console mark set output end
- .console tag delete input
- set err [catch {
- set result [interp record $cmd]
- } result]
-
- if {$result != ""} {
- if {$err} {
- .console insert insert "$result\n" stderr
- } else {
- .console insert insert "$result\n"
- }
- }
- tixConsoleHistory reset
- tixConsolePrompt
- } else {
- tixConsolePrompt partial
- }
- if {$setend} {
- .console yview -pickplace insert
- }
- }
-
- # tixConsoleHistory --
- # This procedure implements command line history for the
- # console. In general is evals the history command in the
- # main interpreter to obtain the history. The global variable
- # histNum is used to store the current location in the history.
- #
- # Arguments:
- # cmd - Which action to take: prev, next, reset.
-
- set histNum 1
- proc tixConsoleHistory {cmd} {
- if ![winfo exists .console] tixConsoleInit
-
- global histNum
-
- switch $cmd {
- prev {
- incr histNum -1
- if {$histNum == 0} {
- set cmd {history event [expr [history nextid] -1]}
- } else {
- set cmd "history event $histNum"
- }
- if {[catch {interp eval $cmd} cmd]} {
- incr histNum
- return
- }
- .console delete promptEnd end
- .console insert promptEnd $cmd {input stdin}
- }
- next {
- incr histNum
- if {$histNum == 0} {
- set cmd {history event [expr [history nextid] -1]}
- } elseif {$histNum > 0} {
- set cmd ""
- set histNum 1
- } else {
- set cmd "history event $histNum"
- }
- if {$cmd != ""} {
- catch {interp eval $cmd} cmd
- }
- .console delete promptEnd end
- .console insert promptEnd $cmd {input stdin}
- }
- reset {
- set histNum 1
- }
- }
- }
-
- # tixConsolePrompt --
- # This procedure draws the prompt. If tcl_prompt1 or tcl_prompt2
- # exists in the main interpreter it will be called to generate the
- # prompt. Otherwise, a hard coded default prompt is printed.
- #
- # Arguments:
- # partial - Flag to specify which prompt to print.
-
- proc tixConsolePrompt {{partial normal}} {
- if ![winfo exists .console] tixConsoleInit
-
- if {$partial == "normal"} {
- set temp [.console index "end - 1 char"]
- .console mark set output end
- if [interp eval "info exists tcl_prompt1"] {
- interp eval "eval \[set tcl_prompt1\]"
- } else {
- puts -nonewline "% "
- }
- } else {
- set temp [.console index output]
- .console mark set output end
- if [interp eval "info exists tcl_prompt2"] {
- interp eval "eval \[set tcl_prompt2\]"
- } else {
- puts -nonewline "> "
- }
- }
-
- flush stdout
- .console mark set output $temp
- tkTextSetCursor .console end
- .console mark set promptEnd insert
- .console mark gravity promptEnd left
- }
-
- # tixConsoleBind --
- # This procedure first ensures that the default bindings for the Text
- # class have been defined. Then certain bindings are overridden for
- # the class.
- #
- # Arguments:
- # None.
-
- proc tixConsoleBind {win} {
- if ![winfo exists .console] tixConsoleInit
-
- bindtags $win "$win Text . all"
-
- # Ignore all Alt, Meta, and Control keypresses unless explicitly bound.
- # Otherwise, if a widget binding for one of these is defined, the
- # <KeyPress> class binding will also fire and insert the character,
- # which is wrong. Ditto for <Escape>.
-
- bind $win <Alt-KeyPress> {# nothing }
- bind $win <Meta-KeyPress> {# nothing}
- bind $win <Control-KeyPress> {# nothing}
- bind $win <Escape> {# nothing}
- bind $win <KP_Enter> {# nothing}
-
- bind $win <Tab> {
- tixConsoleInsert %W \t
- focus %W
- break
- }
- bind $win <Return> {
- %W mark set insert {end - 1c}
- tixConsoleInsert %W "\n"
- tixConsoleInvoke
- break
- }
- bind $win <Delete> {
- if {[%W tag nextrange sel 1.0 end] != ""} {
- %W tag remove sel sel.first promptEnd
- } else {
- if [%W compare insert < promptEnd] {
- break
- }
- }
- }
- bind $win <BackSpace> {
- if {[%W tag nextrange sel 1.0 end] != ""} {
- %W tag remove sel sel.first promptEnd
- } else {
- if [%W compare insert <= promptEnd] {
- break
- }
- }
- }
- foreach left {Control-a Home} {
- bind $win <$left> {
- if [%W compare insert < promptEnd] {
- tkTextSetCursor %W {insert linestart}
- } else {
- tkTextSetCursor %W promptEnd
- }
- break
- }
- }
- foreach right {Control-e End} {
- bind $win <$right> {
- tkTextSetCursor %W {insert lineend}
- break
- }
- }
- bind $win <Control-d> {
- if [%W compare insert < promptEnd] {
- break
- }
- }
- bind $win <Control-k> {
- if [%W compare insert < promptEnd] {
- %W mark set insert promptEnd
- }
- }
- bind $win <Control-t> {
- if [%W compare insert < promptEnd] {
- break
- }
- }
- bind $win <Meta-d> {
- if [%W compare insert < promptEnd] {
- break
- }
- }
- bind $win <Meta-BackSpace> {
- if [%W compare insert <= promptEnd] {
- break
- }
- }
- bind $win <Control-h> {
- if [%W compare insert <= promptEnd] {
- break
- }
- }
- foreach prev {Control-p Up} {
- bind $win <$prev> {
- tixConsoleHistory prev
- break
- }
- }
- foreach prev {Control-n Down} {
- bind $win <$prev> {
- tixConsoleHistory next
- break
- }
- }
- bind $win <Control-v> {
- if [%W compare insert > promptEnd] {
- catch {
- %W insert insert [selection get -displayof %W] {input stdin}
- %W see insert
- }
- }
- break
- }
- bind $win <Insert> {
- catch {tixConsoleInsert %W [selection get -displayof %W]}
- break
- }
- bind $win <KeyPress> {
- tixConsoleInsert %W %A
- break
- }
- foreach left {Control-b Left} {
- bind $win <$left> {
- if [%W compare insert == promptEnd] {
- break
- }
- tkTextSetCursor %W insert-1c
- break
- }
- }
- foreach right {Control-f Right} {
- bind $win <$right> {
- tkTextSetCursor %W insert+1c
- break
- }
- }
- bind $win <Control-Up> {
- %W yview scroll -1 unit
- break;
- }
- bind $win <Control-Down> {
- %W yview scroll 1 unit
- break;
- }
- bind $win <Prior> {
- %W yview scroll -1 pages
- }
- bind $win <Next> {
- %W yview scroll 1 pages
- }
- bind $win <F9> {
- eval destroy [winfo child .]
- source $tix_library/Console.tcl
- }
- foreach copy {F16 Meta-w Control-i} {
- bind $win <$copy> {
- if {[selection own -displayof %W] == "%W"} {
- clipboard clear -displayof %W
- catch {
- clipboard append -displayof %W [selection get -displayof %W]
- }
- }
- break
- }
- }
- foreach paste {F18 Control-y} {
- bind $win <$paste> {
- catch {
- set clip [selection get -displayof %W -selection CLIPBOARD]
- set list [split $clip \n\r]
- tixConsoleInsert %W [lindex $list 0]
- foreach x [lrange $list 1 end] {
- %W mark set insert {end - 1c}
- tixConsoleInsert %W "\n"
- tixConsoleInvoke
- tixConsoleInsert %W $x
- }
- }
- break
- }
- }
- }
-
- # tixConsoleInsert --
- # Insert a string into a text at the point of the insertion cursor.
- # If there is a selection in the text, and it covers the point of the
- # insertion cursor, then delete the selection before inserting. Insertion
- # is restricted to the prompt area.
- #
- # Arguments:
- # w - The text window in which to insert the string
- # s - The string to insert (usually just a single character)
-
- proc tixConsoleInsert {w s} {
- if ![winfo exists .console] tixConsoleInit
-
- if {[.console dlineinfo insert] != {}} {
- set setend 1
- } else {
- set setend 0
- }
- if {$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}
- if $setend {
- .console see insert
- }
- }
-
-
-
- # tixConsoleOutput --
- #
- # 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 tixConsoleOutput {dest string} {
- if ![winfo exists .console] tixConsoleInit
-
- if {[.console dlineinfo insert] != {}} {
- set setend 1
- } else {
- set setend 0
- }
- .console insert output $string $dest
- if $setend {
- .console see insert
- }
- }
-
- # tixConsoleExit --
- #
- # This routine is called by ConsoleEventProc when the main window of
- # the application is destroyed.
- #
- # Arguments:
- # None.
-
- proc tixConsoleExit {} {
- if ![winfo exists .console] tixConsoleInit
-
- exit
- }
-
-