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#!/bin/sh
# the next line restarts using wish \
exec wish "$0" "$@"

# ixset --
# A nice interface to "xset" to change X server settings
#
# History :
#   91/11/23 : pda@masi.ibp.fr, jt@ratp.fr : design
#   92/08/01 : pda@masi.ibp.fr : cleaning
#
# SCCS: @(#) ixset 1.7 96/02/16 10:49:19

#
# Button actions
#

proc quit {} {
    destroy .
}

proc ok {} {
    writesettings
    quit
}

proc cancel {} {
    readsettings
    dispsettings
}

# apply is just "writesettings"


#
# Read current settings
#

proc readsettings {} {
    global kbdrep ;     set kbdrep      "on"
    global kbdcli ;     set kbdcli      0
    global bellvol ;    set bellvol     100
    global bellpit ;    set bellpit     440
    global belldur ;    set belldur     100
    global mouseacc ;   set mouseacc    "3/1"
    global mousethr ;   set mousethr    4
    global screenbla ;  set screenbla   "blank"
    global screentim ;  set screentim   600
    global screencyc ;  set screencyc   600

    set xfd [open "|xset q" r]
    while {[gets $xfd line] > -1} {
        set kw [lindex $line 0]

        case $kw in {
            {auto}
                {
                    set rpt [lindex $line 1]
                    if {[expr "{$rpt} == {repeat:}"]} then {
                        set kbdrep [lindex $line 2]
                        set kbdcli [lindex $line 6]
                    }
                }
            {bell}
                {
                    set bellvol [lindex $line 2]
                    set bellpit [lindex $line 5]
                    set belldur [lindex $line 8]
                }
            {acceleration:}
                {
                    set mouseacc [lindex $line 1]
                    set mousethr [lindex $line 3]
                }
            {prefer}
                {
                    set bla [lindex $line 2]
                    set screenbla [expr "{$bla} == {yes} ? {blank} : {noblank}"]
                }
            {timeout:}
                {
                    set screentim [lindex $line 1]
                    set screencyc [lindex $line 3]
                }
        }
    }
    close $xfd

    # puts stdout [format "Key REPEAT = %s\n" $kbdrep]
    # puts stdout [format "Key CLICK  = %s\n" $kbdcli]
    # puts stdout [format "Bell VOLUME = %s\n" $bellvol]
    # puts stdout [format "Bell PITCH = %s\n" $bellpit]
    # puts stdout [format "Bell DURATION = %s\n" $belldur]
    # puts stdout [format "Mouse ACCELERATION = %s\n" $mouseacc]
    # puts stdout [format "Mouse THRESHOLD = %s\n" $mousethr]
    # puts stdout [format "Screen BLANCK = %s\n" $screenbla]
    # puts stdout [format "Screen TIMEOUT = %s\n" $screentim]
    # puts stdout [format "Screen CYCLE = %s\n" $screencyc]
}


#
# Write settings into the X server
#

proc writesettings {} {
    global kbdrep kbdcli  bellvol bellpit belldur
    global mouseacc mousethr  screenbla screentim screencyc

    set bellvol         [.bell.vol get]
    set bellpit         [.bell.val.pit.entry get]
    set belldur         [.bell.val.dur.entry get]

    if {[expr "{$kbdrep} == {on}"]} then {
        set kbdcli      [.kbd.val.cli get]
    } else {
        set kbdcli      "off"
    }

    set mouseacc        [.mouse.hor.acc.entry get]
    set mousethr        [.mouse.hor.thr.entry get]

    set screentim       [.screen.val.le.tim.entry get]
    set screencyc       [.screen.val.le.cyc.entry get]

    exec xset \
        b $bellvol $bellpit $belldur \
        c $kbdcli \
        r $kbdrep \
        m $mouseacc $mousethr \
        s $screentim $screencyc \
        s $screenbla
}


#
# Sends all settings to the window
#

proc dispsettings {} {
    global kbdrep kbdcli  bellvol bellpit belldur
    global mouseacc mousethr  screenbla screentim screencyc

    .bell.vol set $bellvol
    .bell.val.pit.entry delete 0 end
    .bell.val.pit.entry insert 0 $bellpit
    .bell.val.dur.entry delete 0 end
    .bell.val.dur.entry insert 0 $belldur

    .kbd.val.onoff [expr "{$kbdrep} == {on} ? {select} : {deselect}"]
    .kbd.val.cli set $kbdcli

    .mouse.hor.acc.entry delete 0 end
    .mouse.hor.acc.entry insert 0 $mouseacc
    .mouse.hor.thr.entry delete 0 end
    .mouse.hor.thr.entry insert 0 $mousethr

    .screen.val.rb.blank [expr "{$screenbla}=={blank} ? {select} : {deselect}"]
    .screen.val.rb.pat   [expr "{$screenbla}!={blank} ? {select} : {deselect}"]
    .screen.val.le.tim.entry delete 0 end
    .screen.val.le.tim.entry insert 0 $screentim
    .screen.val.le.cyc.entry delete 0 end
    .screen.val.le.cyc.entry insert 0 $screencyc
}


#
# Create all windows, and pack them
#

proc labelentry {path text length} {
    frame $path
    label $path.label -text $text
    entry $path.entry -width $length -relief sunken
    pack $path.label -side left -expand y
    pack $path.entry -side right -expand y
}

proc createwindows {} {
    #
    # Buttons
    #

    frame .buttons
    button .buttons.ok          -command "ok"                   -text "Ok"
    button .buttons.apply       -command "writesettings"        -text "Apply"
    button .buttons.cancel      -command "cancel"               -text "Cancel"
    button .buttons.quit        -command "quit"                 -text "Quit"

    pack .buttons.ok .buttons.apply .buttons.cancel .buttons.quit \
            -side left -expand yes -pady 5

    #
    # Bell settings
    #

    frame .bell -relief raised -borderwidth 2
    label .bell.label   -text "Bell Settings"
    scale .bell.vol \
            -from 0 -to 100 -length 200 -tickinterval 20 \
            -label "Volume (%)" -orient horizontal

    frame .bell.val
    labelentry .bell.val.pit "Pitch (Hz)"    6
    labelentry .bell.val.dur "Duration (ms)" 6
    pack .bell.val.pit -side left -padx 5
    pack .bell.val.dur -side right -padx 5
    pack .bell.label .bell.vol .bell.val -side top -expand yes

    #
    # Keyboard settings
    #

    frame .kbd -relief raised -borderwidth 2

    label .kbd.label -text "Keyboard Repeat Settings"

    frame .kbd.val
    checkbutton .kbd.val.onoff \
            -text "On" \
            -onvalue "on" -offvalue "off" -variable kbdrep \
            -relief flat
    scale .kbd.val.cli \
            -from 0 -to 100 -length 200 -tickinterval 20 \
            -label "Click Volume (%)" -orient horizontal
    pack .kbd.val.onoff -side left -expand yes -fill both
    pack .kbd.val.cli -side left -expand yes

    pack .kbd.label -side top -expand yes
    pack .kbd.val -side top -expand yes -pady 2 -fill x

    #
    # Mouse settings
    #

    frame .mouse -relief raised -borderwidth 2

    label .mouse.label -text "Mouse Settings"
    frame .mouse.hor
    labelentry .mouse.hor.acc "Acceleration" 3
    labelentry .mouse.hor.thr "Threshold (pixels)" 3

    pack .mouse.hor.acc -side left
    pack .mouse.hor.thr -side right

    pack .mouse.label -side top
    pack .mouse.hor -side top -expand yes

    #
    # Screen Saver settings
    #

    frame .screen -relief raised -borderwidth 2

    label .screen.label -text "Screen-saver Settings"
    frame .screen.val

    frame .screen.val.rb
    radiobutton .screen.val.rb.blank \
            -variable screenblank -text "Blank" -relief flat \
            -value "blank" -variable screenbla
    radiobutton .screen.val.rb.pat \
            -variable screenblank -text "Pattern" -relief flat \
            -value "noblank" -variable screenbla
    pack .screen.val.rb.blank .screen.val.rb.pat -side top -pady 2 -anchor w
    frame .screen.val.le
    labelentry .screen.val.le.tim "Timeout (s)" 5
    labelentry .screen.val.le.cyc "Cycle (s)" 5
    pack .screen.val.le.tim .screen.val.le.cyc -side top -pady 2 -anchor e

    pack .screen.val.rb .screen.val.le -side left

    pack .screen.label -side top
    pack .screen.val -side top -expand y

    #
    # Main window
    #

    pack .buttons -side top -fill both
    pack .bell .kbd .mouse .screen -side top -fill both -ipady 5 -expand yes

    #
    # Let the user resize our window
    #
    wm minsize . 10 10
}

##############################################################################
# Main program

#
# Listen what "xset" tells us...
#

readsettings

#
# Create all windows
#

createwindows

#
# Write xset parameters
#

dispsettings

#
# Now, wait for user actions...
#