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markom |
#!/usr/local/bin/expectk --
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# Name: tkterm - terminal emulator using Expect and Tk text widget, v1.0
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# Author: Don Libes, July '94
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# This is primarily for regression testing character-graphic applications.
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# You can certainly use it as a terminal emulator - however many features
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# in a real terminal emulator are not supported (although I'll probably
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# add some of them later).
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###############################
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# Quick overview of this emulator
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###############################
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# Very good attributes:
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# Understands both termcap and terminfo
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# Understands meta-key (zsh, emacs, etc work)
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# Is fast
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# Understands X selections
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# Looks best with fixed-width font but doesn't require it
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# Good-enough-for-starters attributes:
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# Understands one kind of standout mode (reverse video)
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# Should-be-fixed-soon attributes:
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# Does not support scrollbar or resize
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# Probably-wont-be-fixed-soon attributes:
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# Assumes only one terminal exists
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###############################################
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# To try out this package, just run it. Using it in
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# your scripts is simple. Here are directions:
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###############################################
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# 0) make sure Expect is linked into your Tk-based program (or vice versa)
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# 1) modify the variables/procedures below these comments appropriately
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# 2) source this file
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# 3) pack the text widget ($term) if you have so configured it (see
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# "term_alone" below). As distributed, it packs into . automatically.
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#############################################
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# Variables that must be initialized before using this:
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#############################################
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set rows 24 ;# number of rows in term
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set cols 80 ;# number of columns in term
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set term .t ;# name of text widget used by term
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set term_alone 1 ;# if 1, directly pack term into .
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;# else you must pack
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set termcap 1 ;# if your applications use termcap
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set terminfo 1 ;# if your applications use terminfo
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;# (you can use both, but note that
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;# starting terminfo is slow)
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set term_shell $env(SHELL) ;# program to run in term
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#############################################
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# Readable variables of interest
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#############################################
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# cur_row ;# current row where insert marker is
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# cur_col ;# current col where insert marker is
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# term_spawn_id ;# spawn id of term
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#############################################
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# Procs you may want to initialize before using this:
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#############################################
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# term_exit is called if the spawned process exits
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proc term_exit {} {
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exit
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}
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# term_chars_changed is called after every change to the displayed chars
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# You can use if you want matches to occur in the background (a la bind)
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# If you want to test synchronously, then just do so - you don't need to
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# redefine this procedure.
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proc term_chars_changed {} {
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}
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# term_cursor_changed is called after the cursor is moved
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proc term_cursor_changed {} {
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}
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# Example tests you can make
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#
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# Test if cursor is at some specific location
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# if {$cur_row == 1 && $cur_col == 0} ...
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#
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# Test if "foo" exists anywhere in line 4
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# if {[string match *foo* [$term get 4.0 4.end]]}
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#
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# Test if "foo" exists at line 4 col 7
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# if {[string match foo* [$term get 4.7 4.end]]}
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#
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# Test if a specific character at row 4 col 5 is in standout
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# if {-1 != [lsearch [$term tag names 4.5] standout]} ...
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#
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# Return contents of screen
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# $term get 1.0 end
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#
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# Return indices of first string on lines 4 to 6 that is in standout mode
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# $term tag nextrange standout 4.0 6.end
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#
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# Replace all occurrences of "foo" with "bar" on screen
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# for {set i 1} {$i<=$rows} {incr i} {
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# regsub -all "foo" [$term get $i.0 $i.end] "bar" x
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# $term delete $i.0 $i.end
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# $term insert $i.0 $x
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# }
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#############################################
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# End of things of interest
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#############################################
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unset env(DISPLAY)
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set env(LINES) $rows
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set env(COLUMNS) $cols
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set env(TERM) "tt"
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if $termcap {
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set env(TERMCAP) {tt:
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:cm=\E[%d;%dH:
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:up=\E[A:
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:nd=\E[C:
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:cl=\E[H\E[J:
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:do=^J:
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:so=\E[7m:
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:se=\E[m:
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:k1=\EOP:
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:k2=\EOQ:
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:k3=\EOR:
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:k4=\EOS:
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:k5=\EOT:
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:k6=\EOU:
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:k7=\EOV:
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:k8=\EOW:
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:k9=\EOX:
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}
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}
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if $terminfo {
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set env(TERMINFO) /tmp
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set ttsrc "/tmp/tt.src"
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set file [open $ttsrc w]
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puts $file {tt|textterm|Don Libes' tk text widget terminal emulator,
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cup=\E[%p1%d;%p2%dH,
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cuu1=\E[A,
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cuf1=\E[C,
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clear=\E[H\E[J,
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ind=\n,
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cr=\r,
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smso=\E[7m,
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rmso=\E[m,
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kf1=\EOP,
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kf2=\EOQ,
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kf3=\EOR,
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kf4=\EOS,
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kf5=\EOT,
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kf6=\EOU,
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kf7=\EOV,
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kf8=\EOW,
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kf9=\EOX,
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}
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close $file
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set oldpath $env(PATH)
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set env(PATH) "/usr/5bin:/usr/lib/terminfo"
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if 1==[catch {exec tic $ttsrc} msg] {
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puts "WARNING: tic failed - if you don't have terminfo support on"
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puts "your system, change \"set terminfo 1\" to \"set terminfo 0\"."
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puts "Here is the original error from running tic:"
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puts $msg
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}
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set env(PATH) $oldpath
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exec rm $ttsrc
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}
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set term_standout 0 ;# if in standout mode or not
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log_user 0
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# start a shell and text widget for its output
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set stty_init "-tabs"
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eval spawn $term_shell
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stty rows $rows columns $cols < $spawn_out(slave,name)
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set term_spawn_id $spawn_id
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# this shouldn't be needed if Ousterhout fixes text bug
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text $term -relief sunken -bd 1 -width $cols -height $rows -wrap none
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if {$term_alone} {
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pack $term
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}
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$term tag configure standout -background black -foreground white
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proc term_clear {} {
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global term
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$term delete 1.0 end
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term_init
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}
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proc term_init {} {
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global rows cols cur_row cur_col term
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# initialize it with blanks to make insertions later more easily
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set blankline [format %*s $cols ""]\n
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for {set i 1} {$i <= $rows} {incr i} {
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$term insert $i.0 $blankline
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}
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set cur_row 1
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set cur_col 0
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$term mark set insert $cur_row.$cur_col
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}
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proc term_down {} {
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global cur_row rows cols term
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if {$cur_row < $rows} {
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incr cur_row
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} else {
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# already at last line of term, so scroll screen up
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$term delete 1.0 "1.end + 1 chars"
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# recreate line at end
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$term insert end [format %*s $cols ""]\n
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}
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}
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proc term_insert {s} {
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global cols cur_col cur_row
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global term term_standout
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set chars_rem_to_write [string length $s]
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set space_rem_on_line [expr $cols - $cur_col]
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if {$term_standout} {
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set tag_action "add"
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} else {
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set tag_action "remove"
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}
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##################
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# write first line
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##################
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if {$chars_rem_to_write > $space_rem_on_line} {
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set chars_to_write $space_rem_on_line
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set newline 1
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} else {
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set chars_to_write $chars_rem_to_write
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set newline 0
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}
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$term delete $cur_row.$cur_col $cur_row.[expr $cur_col + $chars_to_write]
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$term insert $cur_row.$cur_col [
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string range $s 0 [expr $space_rem_on_line-1]
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]
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$term tag $tag_action standout $cur_row.$cur_col $cur_row.[expr $cur_col + $chars_to_write]
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# discard first line already written
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incr chars_rem_to_write -$chars_to_write
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set s [string range $s $chars_to_write end]
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# update cur_col
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incr cur_col $chars_to_write
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# update cur_row
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if $newline {
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term_down
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}
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##################
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# write full lines
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##################
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while {$chars_rem_to_write >= $cols} {
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$term delete $cur_row.0 $cur_row.end
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$term insert $cur_row.0 [string range $s 0 [expr $cols-1]]
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$term tag $tag_action standout $cur_row.0 $cur_row.end
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# discard line from buffer
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set s [string range $s $cols end]
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incr chars_rem_to_write -$cols
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set cur_col 0
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term_down
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}
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#################
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# write last line
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#################
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if {$chars_rem_to_write} {
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$term delete $cur_row.0 $cur_row.$chars_rem_to_write
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$term insert $cur_row.0 $s
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$term tag $tag_action standout $cur_row.0 $cur_row.$chars_rem_to_write
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set cur_col $chars_rem_to_write
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}
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term_chars_changed
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}
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proc term_update_cursor {} {
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global cur_row cur_col term
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$term mark set insert $cur_row.$cur_col
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term_cursor_changed
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}
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term_init
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expect_background {
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-i $term_spawn_id
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-re "^\[^\x01-\x1f]+" {
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# Text
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term_insert $expect_out(0,string)
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term_update_cursor
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} "^\r" {
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# (cr,) Go to beginning of line
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set cur_col 0
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term_update_cursor
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} "^\n" {
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# (ind,do) Move cursor down one line
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| 326 |
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term_down
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term_update_cursor
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} "^\b" {
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# Backspace nondestructively
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incr cur_col -1
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term_update_cursor
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} "^\a" {
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bell
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} "^\t" {
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# Tab, shouldn't happen
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send_error "got a tab!?"
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} eof {
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| 338 |
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term_exit
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| 339 |
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} "^\x1b\\\[A" {
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| 340 |
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# (cuu1,up) Move cursor up one line
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| 341 |
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incr cur_row -1
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| 342 |
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term_update_cursor
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} "^\x1b\\\[C" {
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| 344 |
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# (cuf1,nd) Non-destructive space
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| 345 |
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incr cur_col
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term_update_cursor
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} -re "^\x1b\\\[(\[0-9]*);(\[0-9]*)H" {
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# (cup,cm) Move to row y col x
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| 349 |
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set cur_row [expr $expect_out(1,string)+1]
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set cur_col $expect_out(2,string)
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term_update_cursor
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} "^\x1b\\\[H\x1b\\\[J" {
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# (clear,cl) Clear screen
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| 354 |
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term_clear
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| 355 |
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term_update_cursor
|
| 356 |
|
|
} "^\x1b\\\[7m" {
|
| 357 |
|
|
# (smso,so) Begin standout mode
|
| 358 |
|
|
set term_standout 1
|
| 359 |
|
|
} "^\x1b\\\[m" {
|
| 360 |
|
|
# (rmso,se) End standout mode
|
| 361 |
|
|
set term_standout 0
|
| 362 |
|
|
}
|
| 363 |
|
|
}
|
| 364 |
|
|
|
| 365 |
|
|
bind $term {
|
| 366 |
|
|
focus %W
|
| 367 |
|
|
}
|
| 368 |
|
|
bind $term {
|
| 369 |
|
|
if {"%A" != ""} {
|
| 370 |
|
|
exp_send -i $term_spawn_id "\033%A"
|
| 371 |
|
|
}
|
| 372 |
|
|
}
|
| 373 |
|
|
bind $term {
|
| 374 |
|
|
exp_send -i $term_spawn_id -- %A
|
| 375 |
|
|
break
|
| 376 |
|
|
}
|
| 377 |
|
|
|
| 378 |
|
|
bind $term {exp_send -null}
|
| 379 |
|
|
bind $term {exp_send -null}
|
| 380 |
|
|
|
| 381 |
|
|
bind $term {exp_send -i $term_spawn_id "\033OP"}
|
| 382 |
|
|
bind $term {exp_send -i $term_spawn_id "\033OQ"}
|
| 383 |
|
|
bind $term {exp_send -i $term_spawn_id "\033OR"}
|
| 384 |
|
|
bind $term {exp_send -i $term_spawn_id "\033OS"}
|
| 385 |
|
|
bind $term {exp_send -i $term_spawn_id "\033OT"}
|
| 386 |
|
|
bind $term {exp_send -i $term_spawn_id "\033OU"}
|
| 387 |
|
|
bind $term {exp_send -i $term_spawn_id "\033OV"}
|
| 388 |
|
|
bind $term {exp_send -i $term_spawn_id "\033OW"}
|
| 389 |
|
|
bind $term {exp_send -i $term_spawn_id "\033OX"}
|
| 390 |
|
|
|
| 391 |
|
|
set term_counter 0
|
| 392 |
|
|
proc term_expect {args} {
|
| 393 |
|
|
upvar timeout localTimeout
|
| 394 |
|
|
upvar #0 timeout globalTimeout
|
| 395 |
|
|
set timeout 10
|
| 396 |
|
|
catch {set timeout $globalTimeout}
|
| 397 |
|
|
catch {set timeout $localTimeout}
|
| 398 |
|
|
|
| 399 |
|
|
global term_counter
|
| 400 |
|
|
incr term_counter
|
| 401 |
|
|
global [set strobe _data_[set term_counter]]
|
| 402 |
|
|
global [set tstrobe _timer_[set term_counter]]
|
| 403 |
|
|
|
| 404 |
|
|
proc term_chars_changed {} "uplevel #0 set $strobe 1"
|
| 405 |
|
|
|
| 406 |
|
|
set $strobe 1
|
| 407 |
|
|
set $tstrobe 0
|
| 408 |
|
|
|
| 409 |
|
|
if {$timeout >= 0} {
|
| 410 |
|
|
set mstimeout [expr 1000*$timeout]
|
| 411 |
|
|
after $mstimeout "set $strobe 1; set $tstrobe 1"
|
| 412 |
|
|
set timeout_act {}
|
| 413 |
|
|
}
|
| 414 |
|
|
|
| 415 |
|
|
set argc [llength $args]
|
| 416 |
|
|
if {$argc%2 == 1} {
|
| 417 |
|
|
lappend args {}
|
| 418 |
|
|
incr argc
|
| 419 |
|
|
}
|
| 420 |
|
|
|
| 421 |
|
|
for {set i 0} {$i<$argc} {incr i 2} {
|
| 422 |
|
|
set act_index [expr $i+1]
|
| 423 |
|
|
if {[string compare timeout [lindex $args $i]] == 0} {
|
| 424 |
|
|
set timeout_act [lindex $args $act_index]
|
| 425 |
|
|
set args [lreplace $args $i $act_index]
|
| 426 |
|
|
incr argc -2
|
| 427 |
|
|
break
|
| 428 |
|
|
}
|
| 429 |
|
|
}
|
| 430 |
|
|
|
| 431 |
|
|
while {![info exists act]} {
|
| 432 |
|
|
if {![set $strobe]} {
|
| 433 |
|
|
tkwait var $strobe
|
| 434 |
|
|
}
|
| 435 |
|
|
set $strobe 0
|
| 436 |
|
|
|
| 437 |
|
|
if {[set $tstrobe]} {
|
| 438 |
|
|
set act $timeout_act
|
| 439 |
|
|
} else {
|
| 440 |
|
|
for {set i 0} {$i<$argc} {incr i 2} {
|
| 441 |
|
|
if {[uplevel [lindex $args $i]]} {
|
| 442 |
|
|
set act [lindex $args [incr i]]
|
| 443 |
|
|
break
|
| 444 |
|
|
}
|
| 445 |
|
|
}
|
| 446 |
|
|
}
|
| 447 |
|
|
}
|
| 448 |
|
|
|
| 449 |
|
|
proc term_chars_changed {} {}
|
| 450 |
|
|
|
| 451 |
|
|
if {$timeout >= 0} {
|
| 452 |
|
|
after $mstimeout unset $strobe $tstrobe
|
| 453 |
|
|
} else {
|
| 454 |
|
|
unset $strobe $tstrobe
|
| 455 |
|
|
}
|
| 456 |
|
|
|
| 457 |
|
|
set code [catch {uplevel $act} string]
|
| 458 |
|
|
if {$code > 4} {return -code $code $string}
|
| 459 |
|
|
if {$code == 4} {return -code continue}
|
| 460 |
|
|
if {$code == 3} {return -code break}
|
| 461 |
|
|
if {$code == 2} {return -code return}
|
| 462 |
|
|
if {$code == 1} {return -code error -errorinfo $errorInfo \
|
| 463 |
|
|
-errorcode $errorCode $string}
|
| 464 |
|
|
return $string
|
| 465 |
|
|
}
|
| 466 |
|
|
|
| 467 |
|
|
##################################################
|
| 468 |
|
|
# user-supplied code goes below here
|
| 469 |
|
|
##################################################
|
| 470 |
|
|
|
| 471 |
|
|
set timeout 200
|
| 472 |
|
|
|
| 473 |
|
|
# for example, wait for a shell prompt
|
| 474 |
|
|
term_expect {regexp "%" [$term get 1.0 3.end]}
|
| 475 |
|
|
|
| 476 |
|
|
# invoke game of rogue
|
| 477 |
|
|
exp_send "myrogue\r"
|
| 478 |
|
|
|
| 479 |
|
|
# wait for strength of 18
|
| 480 |
|
|
term_expect \
|
| 481 |
|
|
{regexp "Str: 18" [$term get 24.0 24.end]} {
|
| 482 |
|
|
# do something
|
| 483 |
|
|
} {timeout} {
|
| 484 |
|
|
puts "ulp...timed out!"
|
| 485 |
|
|
} {regexp "Str: 16" [$term get 24.0 24.end]}
|
| 486 |
|
|
|
| 487 |
|
|
# and so on...
|
| 488 |
|
|
|
