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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [scripts/] [header.tk] - Rev 1765

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# FILE: header.tk
# This file is boilerplate TCL/TK function definitions for 'make xconfig'.
#
# CHANGES
# =======
#
# 8 January 1999, Michael Elizabeth Chastain, <mec@shout.net>
# - Remove unused do_cmd function (part of the 2.0 sound support).
# - Arrange buttons in three columns for better screen fitting.
# - Add CONSTANT_Y, CONSTANT_M, CONSTANT_N for commands like:
#     dep_tristate 'foo' CONFIG_FOO m
#
# 23 January 1999, Michael Elizabeth Chastain, <mec@shout.net>
# - Shut vfix the hell up.
#
# 24 January 1999, Michael Elizabeth Chastain, <mec@shout.net>
# - Improve the exit message (Jeff Ronne).

#
# This is a handy replacement for ".widget cget" that requires neither tk4
# nor additional source code uglification.
#
proc cget { w option } {
        return "[lindex [$w configure $option] 4]"
}

#
# Function to compensate for broken config.in scripts like the sound driver,
# which make dependencies on variables that are never even conditionally
# defined.
#
proc vfix { var } {
        global $var
        if [ catch {eval concat $$var} ] {
                set $var 4
        }
}

#
# Constant values used by certain dep_tristate commands.
#
set CONSTANT_Y 1
set CONSTANT_M 2
set CONSTANT_N 0
set CONSTANT_E 4

#
# Create a "reference" object to steal colors from.
#
button .ref

#
# On monochrome displays, -disabledforeground is blank by default; that's
# bad.  Fill it with -foreground instead.
#
if { [cget .ref -disabledforeground] == "" } {
        .ref configure -disabledforeground [cget .ref -foreground]
}


#
# Define some macros we will need to parse the config.in file.
#

proc mainmenu_name { text } {
        wm title . "$text"
}

proc menu_option { w menu_num text } {
        global menus_per_column
        global processed_top_level
        set processed_top_level [expr $processed_top_level + 1]
        if { $processed_top_level <= $menus_per_column } then {
            set myframe left
        } elseif { $processed_top_level <= [expr 2 * $menus_per_column] } then {
            set myframe middle
        } else {
            set myframe right
        } 
        button .f0.x$menu_num -anchor w -text "$text" \
            -command "$w .$w \"$text\""
        pack .f0.x$menu_num -pady 0 -side top -fill x -in .f0.$myframe
}

proc load_configfile { w title func } {
        catch {destroy $w}
        toplevel $w -class Dialog
        global loadfile
        frame $w.x
        label $w.bm -bitmap questhead
        pack  $w.bm -pady 10 -side top -padx 10
        label $w.x.l -text "Enter filename:" -relief raised
        entry $w.x.x -width 35 -relief sunken -borderwidth 2 \
                -textvariable loadfile
        pack $w.x.l $w.x.x -anchor w -side left
        pack $w.x -side top -pady 10
        wm title $w "$title" 

        set oldFocus [focus]
        frame $w.f
        button $w.f.back -text "OK" -width 20 \
                -command "destroy $w; focus $oldFocus;$func .fileio"
        button $w.f.canc -text "Cancel" \
                -width 20 -command "destroy $w; focus $oldFocus"
        pack $w.f.back $w.f.canc -side left -pady 10 -padx 45
        pack $w.f -pady 10 -side bottom -padx 10 -anchor w
        focus $w
        global winx; global winy
        set winx [expr [winfo x .]+30]; set winy [expr [winfo y .]+30]
        wm geometry $w +$winx+$winy
}

bind all <Alt-q> {maybe_exit .maybe}

proc maybe_exit { w } {
        catch {destroy $w}
        toplevel $w -class Dialog
        label $w.bm -bitmap questhead
        pack  $w.bm -pady 10 -side top -padx 10
        message $w.m -width 400 -aspect 300 \
                -text "Changes will be lost.  Are you sure?" -relief flat
        pack  $w.m -pady 10 -side top -padx 10
        wm title $w "Are you sure?" 

        set oldFocus [focus]
        frame $w.f
        button $w.f.back -text "OK" -width 20 \
                -command "exit"
        button $w.f.canc -text "Cancel" \
                -width 20 -command "destroy $w; focus $oldFocus"
        pack $w.f.back $w.f.canc -side left -pady 10 -padx 45
        pack $w.f -pady 10 -side bottom -padx 10 -anchor w
        bind $w <Return> "exit"
        bind $w <Escape> "destroy $w; focus $oldFocus"
        focus $w
        global winx; global winy
        set winx [expr [winfo x .]+30]; set winy [expr [winfo y .]+30]
        wm geometry $w +$winx+$winy
}

proc read_config_file { w } {
        global loadfile
        if { [string length $loadfile] != 0 && [file readable $loadfile] == 1 } then {
                read_config $loadfile
        } else {
                catch {destroy $w}
                toplevel $w -class Dialog
                message $w.m -width 400 -aspect 300 -text \
                        "Unable to read file $loadfile" \
                         -relief raised 
                label $w.bm -bitmap error
                pack $w.bm $w.m -pady 10 -side top -padx 10
                wm title $w "Xconfig Internal Error" 

                set oldFocus [focus]
                frame $w.f
                button $w.f.back -text "Bummer" \
                        -width 10 -command "destroy $w; focus $oldFocus"
                pack $w.f.back -side bottom -pady 10 -anchor s
                pack $w.f -pady 10 -side top -padx 10 -anchor s
                focus $w
                global winx; global winy
                set winx [expr [winfo x .]+30]; set winy [expr [winfo y .]+30]
                wm geometry $w +$winx+$winy
        }
}

proc write_config_file  { w } {
        global loadfile
        if { [string length $loadfile] != 0 
                && ([file writable $loadfile] == 1 || ([file exists $loadfile] == 0 && [file writable [file dirname $loadfile]] == 1)) } then {
                writeconfig $loadfile /dev/null
        } else {
                catch {destroy $w}
                toplevel $w -class Dialog
                message $w.m -width 400 -aspect 300 -text \
                        "Unable to write file $loadfile" \
                         -relief raised 
                label $w.bm -bitmap error
                pack $w.bm $w.m -pady 10 -side top -padx 10
                wm title $w "Xconfig Internal Error" 

                set oldFocus [focus]
                frame $w.f
                button $w.f.back -text "OK" \
                        -width 10 -command "destroy $w; focus $oldFocus"
                pack $w.f.back -side bottom -pady 10 -anchor s
                pack $w.f -pady 10 -side top -padx 10 -anchor s
                focus $w
                global winx; global winy
                set winx [expr [winfo x .]+30]; set winy [expr [winfo y .]+30]
                wm geometry $w +$winx+$winy
        }
}

proc read_config { filename } {
        set file1 [open $filename r]
        clear_choices
        while { [gets $file1 line] >= 0} {
                if [regexp {([0-9A-Za-z_]+)=([ynm])} $line foo var value] {
                        if { $value == "y" } then { set cmd "global $var; set $var 1" }
                        if { $value == "n" } then { set cmd "global $var; set $var 0" }
                        if { $value == "m" } then { set cmd "global $var; set $var 2" }
                        eval $cmd
                }
                if [regexp {# ([0-9A-Za-z_]+) is not set} $line foo var] {
                        set cmd "global $var; set $var 0"
                        eval $cmd
                }
                if [regexp {([0-9A-Za-z_]+)=([0-9A-Fa-f]+)} $line foo var value] {
                        set cmd "global $var; set $var $value"
                        eval $cmd
                }
                if [regexp {([0-9A-Za-z_]+)="([^"]*)"} $line foo var value] {
                        set cmd "global $var; set $var \"$value\""
                        eval $cmd
                }
        }
        close $file1
        update_choices
        update_mainmenu
}
proc write_comment { file1 file2 text } {
        puts $file1 ""
        puts $file1 "#"
        puts $file1 "# $text"
        puts $file1 "#"
        puts $file2 "/*"
        puts $file2 " * $text"
        puts $file2 " */"
}

proc effective_dep { deplist } {
        global CONFIG_MODULES
        set depend 1
        foreach i $deplist {
                if {$i == 0} then {set depend 0}
                if {$i == 2 && $depend == 1} then {set depend 2}
        }
        if {$depend == 2 && $CONFIG_MODULES == 0} then {set depend 0}
        return $depend
}

proc sync_tristate { var dep } {
        global CONFIG_MODULES
        if {$dep == 0 && ($var == 1 || $var == 2)} then {
                set var 0
        } elseif {$dep == 2 && $var == 1} then {
                set var 2
        } elseif {$var == 2 && $CONFIG_MODULES == 0} then {
                if {$dep == 1} then {set var 1} else {set var 0}
        }
        return $var
}

proc sync_bool { var dep modset } {
        set var [sync_tristate $var $dep]
        if {$dep == 2 && $var == 2} then {
                set var $modset
        }
        return $var
}

proc write_tristate { file1 file2 varname variable deplist modset } {
        set variable [sync_tristate $variable [effective_dep $deplist]]
        if { $variable == 2 } \
                then { set variable $modset }
        if { $variable == 1 } \
                then { puts $file1 "$varname=y"; \
                       puts $file2 "#define $varname 1" } \
        elseif { $variable == 2 } \
                then { puts $file1 "$varname=m"; \
                       puts $file2 "#undef  $varname"; \
                       puts $file2 "#define ${varname}_MODULE 1" } \
        elseif { $variable == 0 } \
                then { puts $file1 "# $varname is not set"; \
                       puts $file2 "#undef  $varname"} \
        else { \
            puts stdout "ERROR - Attempting to write value for unconfigured variable ($varname)." \
        }
}

proc write_int { file1 file2 varname variable dep } {
        if { $dep == 0 } \
                then { puts $file1 "# $varname is not set"; \
                       puts $file2 "#undef  $varname"} \
        else {
                puts $file1 "$varname=$variable"; \
                puts $file2 "#define $varname ($variable)"; \
        }
}

proc write_hex { file1 file2 varname variable dep } {
        if { $dep == 0 } \
                then { puts $file1 "# $varname is not set"; \
                       puts $file2 "#undef  $varname"} \
        else {
                puts $file1 "$varname=$variable"; \
                puts -nonewline $file2 "#define $varname 0x"; \
                puts $file2 [exec echo $variable | sed s/^0\[xX\]//]; \
        }
}

proc write_string { file1 file2 varname variable dep } {
        if { $dep == 0 } \
                then { puts $file1 "# $varname is not set"; \
                       puts $file2 "#undef  $varname"} \
        else {
                puts $file1 "$varname=\"$variable\""; \
                puts $file2 "#define $varname \"$variable\""; \
        }
}

proc option_name {w mnum line text helpidx} {
        button $w.x$line.l -text "$text" -relief groove -anchor w
        $w.x$line.l configure -activefore [cget $w.x$line.l -fg] \
                                -activeback [cget $w.x$line.l -bg]
        button $w.x$line.help -text "Help" -relief raised \
                -command "dohelp .dohelp $helpidx .menu$mnum"
        pack $w.x$line.help -side right -fill y
        pack $w.x$line.l -side right -fill both -expand on
}

proc toggle_switch2 {w mnum line text variable} {
        frame $w.x$line -relief sunken
        radiobutton $w.x$line.y -text "y" -variable $variable -value 1 \
                -relief groove -width 2 -command "update_active"
        radiobutton $w.x$line.m -text "-"  -variable $variable -value 2 \
                -relief groove -width 2 -command "update_active"
        radiobutton $w.x$line.n -text "n"  -variable $variable -value 0 \
                -relief groove -width 2 -command "update_active"

        option_name $w $mnum $line $text $variable

        pack $w.x$line.n $w.x$line.m $w.x$line.y -side right -fill y
}

proc toggle_switch3 {w mnum line text variable} {
        frame $w.x$line -relief sunken
        radiobutton $w.x$line.y -text "y" -variable $variable -value 1 \
                -relief groove -width 2 -command "update_active"
        radiobutton $w.x$line.m -text "m"  -variable $variable -value 2 \
                -relief groove -width 2 -command "update_active"
        radiobutton $w.x$line.n -text "n"  -variable $variable -value 0 \
                -relief groove -width 2 -command "update_active"

        option_name $w $mnum $line $text $variable

        global CONFIG_MODULES
        if {($CONFIG_MODULES == 0)} then {
                $w.x$line.m configure -state disabled
        }
        pack $w.x$line.n $w.x$line.m $w.x$line.y -side right -fill y
}

proc bool {w mnum line text variable} {
        toggle_switch2 $w $mnum $line $text $variable
        $w.x$line.m configure -state disabled
        pack $w.x$line -anchor w -fill both -expand on
}

proc tristate {w mnum line text variable } {
        toggle_switch3 $w $mnum $line $text $variable
        pack $w.x$line -anchor w -fill both -expand on
}

proc dep_tristate {w mnum line text variable } {
        tristate $w $mnum $line $text $variable
}

proc dep_bool {w mnum line text variable } {
        bool $w $mnum $line $text $variable
}

proc int { w mnum line text variable } {
        frame $w.x$line
        entry $w.x$line.x -width 18 -relief sunken -borderwidth 2 \
                -textvariable $variable
        option_name $w $mnum $line $text $variable
        pack $w.x$line.x -anchor w -side right -fill y
        pack $w.x$line -anchor w -fill both -expand on
}

proc hex { w mnum line text variable } {
        int $w $mnum $line $text $variable
}

proc istring { w mnum line text variable } {
        frame $w.x$line
        entry $w.x$line.x -width 18 -relief sunken -borderwidth 2 \
                -textvariable $variable
        option_name $w $mnum $line $text $variable
        pack $w.x$line.x -anchor w -side right -fill y
        pack $w.x$line -anchor w -fill both -expand on
}

proc minimenu { w mnum line text variable helpidx } {
        frame $w.x$line
        menubutton $w.x$line.x -textvariable $variable -menu \
                $w.x$line.x.menu -relief raised \
                -anchor w
        option_name $w $mnum $line $text $helpidx
        pack $w.x$line.x -anchor w -side right -fill y
        pack $w.x$line -anchor w -fill both -expand on
}

proc menusplit {w m n} {
        if { $n > 2 } then {
                update idletasks
                set menuoptsize [expr [$m yposition 2] - [$m yposition 1]]   
                set maxsize [winfo screenheight $w]
                set splitpoint [expr $maxsize * 4 / 5 / $menuoptsize - 1]
                for {set i [expr $splitpoint + 1]} {$i <= $n} {incr i $splitpoint} {
                        $m entryconfigure $i -columnbreak 1
                }
        }
}

proc menutitle {text menu w} {
        wm title $w "$text"
}

proc submenu { w mnum line text subnum } {
        frame $w.x$line
        button $w.x$line.l -text "" -width 15 -relief groove
        $w.x$line.l configure -activefore [cget $w.x$line.l -fg] \
                -activeback [cget $w.x$line.l -bg] -state disabled
        button $w.x$line.m -text "$text" -relief raised -anchor w \
                -command "catch {destroy .menu$subnum}; menu$subnum .menu$subnum \"$text\""
        pack $w.x$line.l -side left -fill both
        pack $w.x$line.m -anchor w -side right -fill both -expand on
        pack $w.x$line -anchor w -fill both -expand on
}

proc comment {w mnum line text } {
        frame $w.x$line
        button $w.x$line.l -text "" -width 15 -relief groove
        $w.x$line.l configure -activefore [cget $w.x$line.l -fg] \
                -activeback [cget $w.x$line.l -bg] -state disabled
        button $w.x$line.m -text "$text" -relief groove -anchor w
        $w.x$line.m configure -activefore [cget $w.x$line.m -fg] \
                -activeback [cget $w.x$line.m -bg]
        pack $w.x$line.l -side left -fill both
        pack $w.x$line.m -anchor w -side right -fill both -expand on
        pack $w.x$line -anchor w -fill both -expand on
}

proc dohelp {w var parent}  {
        catch {destroy $w}
        toplevel $w -class Dialog

        set filefound 0
        set found 0
        set lineno 0

        if { [file readable Documentation/Configure.help] == 1} then {
                set filefound 1
                # First escape sed regexp special characters in var:
                set var [exec echo "$var" | sed s/\[\]\[\/.^$*\]/\\\\&/g]
                # Now pick out right help text:
                set message [exec sed -n "
                        /^$var\[        \]*\$/,\${
                                /^$var\[        \]*\$/c\\
${var}:\\

                                /^#/b
                                /^\[^   \]/q
                                s/^  //
                                /<file:\\(\[^>\]*\\)>/s//\\1/g
                                p
                        }
                        " Documentation/Configure.help]
                set found [expr [string length "$message"] > 0]
        }

        frame $w.f1
        pack $w.f1 -fill both -expand on

        # Do the OK button
        #
        set oldFocus [focus]
        frame $w.f2
        button $w.f2.ok -text "OK" \
                -width 10 -command "destroy $w; catch {focus $oldFocus}"
        pack $w.f2.ok -side bottom -pady 6 -anchor n
        pack $w.f2 -side bottom -padx 10 -anchor s

        scrollbar $w.f1.vscroll -command "$w.f1.canvas yview"
        pack $w.f1.vscroll -side right -fill y

        canvas $w.f1.canvas -relief flat -borderwidth 0 \
                -yscrollcommand "$w.f1.vscroll set"
        frame $w.f1.f
        pack $w.f1.canvas -side right -fill y -expand on

        if { $found == 0 } then {
                if { $filefound == 0 } then {
                message $w.f1.f.m -width 750 -aspect 300 -relief flat -text \
                        "No help available - unable to open file Documentation/Configure.help.  This file should have come with your kernel."
                } else {
                message $w.f1.f.m -width 400 -aspect 300 -relief flat -text \
                        "No help available for $var"
                }
                label $w.f1.bm -bitmap error
                wm title $w "RTFM"
        } else {
                text $w.f1.f.m -width 73 -relief flat -wrap word
                $w.f1.f.m insert 0.0 $message
                $w.f1.f.m conf -state disabled -height [$w.f1.f.m index end]

                label $w.f1.bm -bitmap info
                wm title $w "Configuration help" 
        }
        pack $w.f1.f.m -side left
        pack $w.f1.bm $w.f1.f -side left -padx 10

        focus $w
        set winx [expr [winfo x $parent]+20]
        set winy [expr [winfo y $parent]+20]
        wm geometry $w +$winx+$winy
        set sizok [expr [winfo reqheight $w.f2.ok] + 12]
        set maxy [expr [winfo screenheight .] * 3 / 4]
        set canvtotal [winfo reqheight $w.f1.f.m]
        if [expr $sizok + $canvtotal < $maxy] {
                set sizy $canvtotal
        } else {
                set sizy [expr $maxy - $sizok]
        }
        $w.f1.canvas configure -height $sizy -width [winfo reqwidth $w.f1.f.m] \
                -scrollregion "0 0 [winfo reqwidth $w.f1.f.m] \
                        [winfo reqheight $w.f1.f.m]"
        $w.f1.canvas create window 0 0 -anchor nw -window $w.f1.f
        update idletasks

        set maxy [winfo screenheight .]
        if [expr $sizok + $canvtotal < $maxy] {
                set sizy [expr $sizok + $canvtotal]
        } else {
                set sizy $maxy
        }
        wm maxsize $w [winfo width $w] $sizy
}

bind all <Alt-s> { catch {exec cp -f .config .config.old}; \
                writeconfig .config include/linux/autoconf.h; wrapup .wrap }

proc wrapup {w }  {
        catch {destroy $w}
        toplevel $w -class Dialog

        global CONFIG_MODVERSIONS; vfix CONFIG_MODVERSIONS
        if { ([file exists .hdepend] != 1) || ($CONFIG_MODVERSIONS == 1) } then {
            message $w.m -width 400 -aspect 300 -relief raised -text \
                "End of Linux kernel configuration.  Check the top-level Makefile for additional configuration.  Next, you must run 'make dep'."
        } else {
            message $w.m -width 400 -aspect 300 -relief raised -text \
                "End of Linux kernel configuration.  Check the top-level Makefile for additional configuration.  Next, you may 'make bzImage', 'make bzdisk', or 'make bzlilo.'"
        }
        label $w.bm -bitmap info
        pack $w.bm $w.m -pady 10 -side top -padx 10
        wm title $w "Kernel build instructions" 

        set oldFocus [focus]
        frame $w.f
        button $w.f.back -text "OK" \
                -width 10 -command "exit"
        pack $w.f.back -side bottom -pady 10 -anchor s
        pack $w.f -pady 10 -side top -padx 10 -anchor s
        focus $w
        bind $w <Return> "exit"
        global winx; global winy
        set winx [expr [winfo x .]+30]; set winy [expr [winfo y .]+30]
        wm geometry $w +$winx+$winy

}

proc unregister_active {num} {
        global active_menus
        set index [lsearch -exact $active_menus $num]
        if {$index != -1} then {set active_menus [lreplace $active_menus $index $index]}
}

proc update_active {} {
        global active_menus total_menus
        set max 0
        if {[llength $active_menus] > 0} then {
                set max [lindex $active_menus end]
                update_define [toplevel_menu [lindex $active_menus 0]] $max 0
        }
        foreach i $active_menus {
                if {[winfo exists .menu$i] == 0} then {
                        unregister_active $i
                } else {
                        update_menu$i
                }
        }
        update_define [expr $max + 1] $total_menus 1
        update_mainmenu
}

proc configure_entry {w option items} {
        foreach i $items {
                $w.$i configure -state $option
        }
}

proc validate_int {name val default} {
        if {([exec echo $val | sed s/^-//g | tr -d \[:digit:\] ] != "")} then {
                global $name; set $name $default
        }
}

proc validate_hex {name val default} {
        if {([exec echo $val | tr -d \[:xdigit:\] ] != "")} then {
                global $name; set $name $default
        }
}

proc update_define {first last allow_update} {
        for {set i $first} {$i <= $last} {incr i} {
                update_define_menu$i
                if {$allow_update == 1} then update
        }
}

#
# Next set up the particulars for the top level menu, and define a few
# buttons which we will stick down at the bottom.
#

frame .f0 
frame .f0.left
frame .f0.middle
frame .f0.right

set active_menus [list]
set processed_top_level 0

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