Version 27 of ALM

Updated 2003-10-24 01:42:35

Alexander Mueller, Homepage: http://virtuelle.gefil.de/~dondy


some improvements to the BClock :)

  • new mail notification
  • starting a programm on button press
 set radius 10
 set maildir [expr {([catch {file exists $env(MAIL)}] == "0")? \
        "$env(MAIL)" : "/var/spool/mail/$env(USER)"}]

 wm title    . "BClock, initializing..."
 wm aspect   . 6 4 6000 4000
 wm geometry . [expr $radius * 6 + 1]x[expr $radius * 4 + 1]

 proc create_resize_ovals {value radius} {
        foreach col {0 1 2 3 4 5} {
                foreach row {0 1 2 3} {
                        set x1 [expr $col * $radius]
                        set y1 [expr $radius * 3 - $row * $radius]
                        set x2 [expr $x1 + $radius]
                        set y2 [expr $y1 + $radius]
                        if { $value == 0 } {
                                .b create oval $x1 $y1 $x2 $y2 -tag $col,$row
                        } elseif { $value == 1 } {
                                .b coords $col,$row $x1 $y1 $x2 $y2
                        } else {
                                exit 1
                        }
                }
        }
 }

 proc resize_canvas_ovals {width height} {
        global radius
        set radius [expr ($width / 6 + $height / 4) / 2]
        .b configure -width [expr $radius * 6] -height [expr $radius * 4]
        create_resize_ovals 1 $radius
 }

 proc every {ms body} {
        eval $body
        after $ms [info level 0]
 }

 . configure -bd 0 -highlightthickness 0
 pack [canvas .b -background Black -highlightthickness 0 -bd 0]
 create_resize_ovals 0 $radius

 bind . <Configure> { resize_canvas_ovals %w %h }

 # just for some extra functionality :D
 bind . <ButtonPress-1> { exec -- xterm -fg white -bg black -e mutt & }
 bind . <ButtonPress-2> { exec -- xterm -fg white -bg black & }
 bind . <ButtonPress-3> { exec -- xterm -fg white -bg black -e vim & }

 every 1000 {
        global maildir
        set mtime [file mtime $maildir]
        set atime [file atime $maildir]

        # if we have mail...
        if { $mtime > $atime } {
                # first approach to show the user we have mail
                .b configure -background LimeGreen
                . configure -bg LimeGreen
                set led0 "DarkBlue"
                set led1 "LightBlue"
                # have audible notofication too :)
                bell
        } else {
                .b configure -background Black
                . configure -bg Black
                set led0 "DarkRed"
                set led1 "IndianRed1"
        }

        set time [ clock format [ clock sec ] -format "%T" ]
        regexp {([0-2])([0-9]):([0-5])([0-9]):([0-5])([0-9])} \
                $time -> h1 h2 m1 m2 s1 s2

        wm title . "BClock, $time"

        set values [list $h1 $h2 $m1 $m2 $s1 $s2]
        foreach col {0 1 2 3 4 5} value $values {
                foreach bit {0 1 2 3} {
                        set color [expr {$value & (1 << $bit)? "$led1" : "$led0" }]
                    .b itemconfigure $col,$bit -fill $color
                }
        }
 }

  • telnet.tcl, my version of the telnet client found at Telnet
 proc quit {fd_sock} {
        close $fd_sock
        set ::closed($fd_sock) 1
 }

 proc input {fd_sock} {
        set data x
        while {[string length $data]} {
                set data [read $fd_sock 4096]
                if {[eof $fd_sock]} {
                        quit $fd_sock
                } else {
                        puts -nonewline stdout $data
                }
        }
 }

 proc output {fd_sock} {
        if {[gets stdin data] >= 0} {
                puts $fd_sock $data
        } else {
                quit $fd_sock
        }
 }

 set fd_sock [socket 130.149.19.20 7680]

 fconfigure $fd_sock -buffering none -blocking 0
 fconfigure stdout -buffering none

 fileevent $fd_sock readable [list input $fd_sock]
 fileevent stdin readable [list output $fd_sock]

 vwait closed($fd_sock)
 exit

GCCs output on compilation of terminal.c see: Unix Terminal Extension

almu@mozart:4% gcc -I/usr/include/tcl8.3 -I/usr/include/linux -shared terminal.c -o terminal.so In file included from /usr/include/sys/types.h:215,

                 from /usr/include/stdlib.h:390,
                 from terminal.c:2:

/usr/include/sys/select.h:58: warning: __NFDBITS' redefined /usr/include/linux/posix_types.h:22: warning: this is the location of the previous definition /usr/include/sys/select.h:60: warning: __FDMASK' redefined /usr/include/linux/posix_types.h:34: warning: this is the location of the previous definition /usr/include/sys/select.h:89: warning: FD_SET' redefined /usr/include/linux/time.h:106: warning: this is the location of the previous definition /usr/include/sys/select.h:90: warning: FD_CLR' redefined /usr/include/linux/time.h:107: warning: this is the location of the previous definition /usr/include/sys/select.h:91: warning: FD_ISSET' redefined /usr/include/linux/time.h:108: warning: this is the location of the previous definition /usr/include/sys/select.h:92: warning: FD_ZERO' redefined /usr/include/linux/time.h:109: warning: this is the location of the previous definition In file included from /usr/include/bits/types.h:143,

                 from /usr/include/stdio.h:36,
                 from terminal.c:1:

/usr/include/bits/pthreadtypes.h:50: parse error before size_t' /usr/include/bits/pthreadtypes.h:50: warning: no semicolon at end of struct or union /usr/include/bits/pthreadtypes.h:53: parse error before __stacksize' /usr/include/bits/pthreadtypes.h:53: warning: data definition has no type or storage class /usr/include/bits/pthreadtypes.h:54: warning: data definition has no type or storage class In file included from /usr/include/_G_config.h:44,

                 from /usr/include/libio.h:32,
                 from /usr/include/stdio.h:65,
                 from terminal.c:1:

/usr/include/gconv.h:72: parse error before size_t' /usr/include/gconv.h:85: parse error before size_t' /usr/include/gconv.h:94: parse error before size_t' /usr/include/gconv.h:170: parse error before size_t' /usr/include/gconv.h:170: warning: no semicolon at end of struct or union /usr/include/gconv.h:173: parse error before `}' /usr/include/gconv.h:173: warning: data definition has no type or storage class In file included from /usr/include/libio.h:32,

                 from /usr/include/stdio.h:65,
                 from terminal.c:1:

/usr/include/_G_config.h:47: field __cd' has incomplete type /usr/include/_G_config.h:50: field __cd' has incomplete type In file included from /usr/include/stdio.h:65,

                 from terminal.c:1:

/usr/include/libio.h:344: parse error before size_t' /usr/include/libio.h:353: parse error before size_t' /usr/include/libio.h:461: parse error before _IO_sgetn' /usr/include/libio.h:461: parse error before size_t' /usr/include/libio.h:461: warning: data definition has no type or storage class In file included from terminal.c:1: /usr/include/stdio.h:259: parse error before size_t' /usr/include/stdio.h:265: parse error before size_t' /usr/include/stdio.h:293: parse error before size_t' /usr/include/stdio.h:297: parse error before size_t' /usr/include/stdio.h:459: parse error before fread' /usr/include/stdio.h:459: parse error before size_t'

/usr/include/stdio.h:460: warning: data definition has no type or storage class /usr/include/stdio.h:462: parse error before fwrite' /usr/include/stdio.h:462: parse error before size_t' /usr/include/stdio.h:463: warning: data definition has no type or storage class /usr/include/stdio.h:467: parse error before fread_unlocked' /usr/include/stdio.h:467: parse error before size_t' /usr/include/stdio.h:468: warning: data definition has no type or storage class /usr/include/stdio.h:469: parse error before fwrite_unlocked' /usr/include/stdio.h:469: parse error before size_t' /usr/include/stdio.h:470: warning: data definition has no type or storage class In file included from terminal.c:2: /usr/include/stdlib.h:133: parse error before `__ctype_get_mb_cur_max' /usr/include/stdlib.h:133: warning: data definition has no type or storage class In file included from /usr/include/sys/types.h:132,

                 from /usr/include/stdlib.h:390,
                 from terminal.c:2:

/usr/include/linux/time.h:10: parse error before time_t' /usr/include/linux/time.h:10: warning: no semicolon at end of struct or union /usr/include/linux/time.h:12: parse error before }' /usr/include/linux/time.h:89: parse error before time_t' /usr/include/linux/time.h:89: warning: no semicolon at end of struct or union /usr/include/linux/time.h:90: warning: data definition has no type or storage class /usr/include/linux/time.h:120: field it_interval' has incomplete type /usr/include/linux/time.h:121: field it_value' has incomplete type /usr/include/linux/time.h:125: field it_interval' has incomplete type /usr/include/linux/time.h:126: field it_value' has incomplete type In file included from terminal.c:2: /usr/include/stdlib.h:407: parse error before size_t' /usr/include/stdlib.h:436: parse error before size_t' /usr/include/stdlib.h:527: parse error before __size' /usr/include/stdlib.h:529: parse error before __nmemb' /usr/include/stdlib.h:536: parse error before size_t' In file included from /usr/include/stdlib.h:546,

                 from terminal.c:2:

/usr/include/alloca.h:33: parse error before __size' In file included from terminal.c:2: /usr/include/stdlib.h:551: parse error before __size' /usr/include/stdlib.h:690: parse error before size_t' /usr/include/stdlib.h:694: parse error before size_t' /usr/include/stdlib.h:756: parse error before size_t' /usr/include/stdlib.h:759: parse error before size_t' /usr/include/stdlib.h:763: parse error before size_t' /usr/include/stdlib.h:766: parse error before size_t' /usr/include/stdlib.h:773: parse error before size_t' /usr/include/stdlib.h:776: parse error before *' /usr/include/stdlib.h:780: parse error before wchar_t' /usr/include/stdlib.h:784: parse error before mbstowcs' /usr/include/stdlib.h:784: parse error before *' /usr/include/stdlib.h:785: warning: data definition has no type or storage class /usr/include/stdlib.h:787: parse error before wcstombs' /usr/include/stdlib.h:788: parse error before `*' /usr/include/stdlib.h:789: warning: data definition has no type or storage class


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