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Overview
Comment:Tweak libs for Windows support
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1:8d57bbfd5f61207738115c3df8f26d13da369f8d
User & Date: admin 2015-09-16 10:44:37
Context
2015-09-20
02:09
tweak softwareupdate check-in: 2dd7444328 user: admin tags: trunk
2015-09-16
10:44
Tweak libs for Windows support check-in: 8d57bbfd5f user: admin tags: trunk
10:43
Tweak xplat for Windows support check-in: 9b9159ddfe user: admin tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Added regproc/pkgIndex.tcl.























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# Tcl package index file, version 1.1
# This file is generated by the "pkg_mkIndex" command
# and sourced either when an application starts up or
# by a "package unknown" script.  It invokes the
# "package ifneeded" command to set up package-related
# information so that packages will be loaded automatically
# in response to "package require" commands.  When this
# script is sourced, the variable $dir must contain the
# full path name of this file's directory.

package ifneeded regproc 1.4 [list source [file join $dir regproc.tcl]]

Added regproc/regproc.tcl.





























































































































































































































































































































































































































































































































































































































































































































































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#regproc.tcl  routines to register serial numbers

#Copyright 2015 WordTech Communications LLC

#MIT license

package provide regproc 1.4
package require http
package require xplat

image create photo _unlock -data  {
    R0lGODlhGAAgAIABAAAAAP///yH+GkNyZWF0ZWQgd2l0aCBHSU1QIG9uIGEgTWFj
    ACH5BAEKAAEALAAAAAAYACAAAAJRjI+gq+jO4npQWmqsBvQenzBYVE1YQH7imWbm
    ib5xA89cPcp4uPX+DwwKh7SdbWXUGF2S5VHn6oBURWrL+lBmb6UrTpucfsE14u85
    tKZ5wkMBADs=
}

image create photo _check -data {
    R0lGODlhIAAaAIABAAQHB////yH+GkNyZWF0ZWQgd2l0aCBHSU1QIG9uIGEgTWFj
    ACH5BAEKAAEALAAAAAAgABoAAAJMjI+pCeuvgIR0yVtzuFxDDnoWGIoHWZobikUV
    2zLTA89yfLNjetY7iag1Ir4VzCFMfpI6ChOYeeJeTxVTZRBie6htEOrl2sJcsmVb
    AAA7
}


namespace eval regproc {

    if {![info exists library]} {
	variable library [file dirname [info script]]
    }
    variable datadir
    variable expired
    set expired 0


    #set the 30-day clock for application/version
    proc setClock {} {
	variable datadir 
	variable appname
	variable appversion
	variable appstore
	puts "datadir is $datadir"

	set launchTime [clock seconds]
	set saveTime [open $datadir/$appname$appversion.dat w]
	puts $saveTime $launchTime
	close $saveTime
    }

    #read the time set
    proc readClock {} {
	variable datadir 
	variable appstatus 
	variable expstatus 
	variable appname
	variable appversion
	variable appstore
	variable expired

	set curTime [clock seconds]
	set oldTime [read [open $datadir/$appname$appversion.dat r]]
	set expDate [clock scan "30 days" -base $oldTime]
	if {$curTime < $expDate } {
	    set expired 0
	    regproc::makePitch	
	} else {
	    set expired 1
	    regproc::expiredPitch
	}
    }
    
    #check to see if a time has been set
    proc checkClock {} {
	variable datadir 
	variable appname
	variable appversion
	variable appstore
	variable expired

	if {[file exists $datadir/.$appname$appversion.rc]} {
	    
	    catch "file rename $datadir/.$appname$appversion.rc $datadir/$appname$appversion.dat"
	    regproc::readClock
	    return
	}

	if  {![file exists  $datadir/$appname$appversion.dat]} {
	    regproc::setClock 
	    regproc::readClock
	} else {
	    regproc::readClock
	}
    }

    #dialog before demo has expired
    proc makePitch {} {
	variable version 
	variable appname
	variable appstore

	toplevel .purchase
	wm title .purchase "Purchase $appname"
	wm resizable .purchase 0 0

	wm withdraw .purchase
	wm transient .purchase .

	wm protocol .purchase WM_DELETE_WINDOW {}

	ttk::frame .purchase.top -padding 10
	pack .purchase.top -side top -fill both -expand yes
	ttk::label .purchase.top.label -text "You are currently using a demo of $appname. This version will give you the chance to try \n$appname free of charge for 30 days. Would you like to buy $appname now?" -image _unlock -compound left -anchor n 

	pack .purchase.top.label  -side top -fill x -expand yes

	ttk::frame .purchase.bottom -padding 5
	pack .purchase.bottom -side bottom -fill both -expand yes

	ttk::frame .purchase.bottom.upper
	pack .purchase.bottom.upper -side top -fill both -expand no


	ttk::frame .purchase.bottom.lower -padding 5
	pack .purchase.bottom.lower -side bottom -fill both -expand no

	ttk::button .purchase.bottom.lower.install -text "Purchase" -default active -command "xplat::launch  http://www.codebykevin.com/$appname.html; regproc::getReg; destroy .purchase"
	ttk::button .purchase.bottom.lower.cancel -text "Cancel" -command " destroy .purchase; raise ."
	pack  .purchase.bottom.lower.install .purchase.bottom.lower.cancel  -side right -fill both -expand no
	
	::tk::PlaceWindow .purchase widget .

	wm deiconify .purchase
	focus .purchase.bottom.lower.install

	if {[tk windowingsystem] eq "aqua"} {
	    after idle [list after 0 wm attributes .purchase -notify 1]

	    bind all <FocusIn> [list add [list  wm attributes . -notify 0]]
	}

    }

    #dialog after demo has expired
    proc expiredPitch {} {
	variable version 
	variable appname
	variable appstore
	variable expired

	toplevel .expired
	wm title .expired "Purchase $appname"
	wm resizable .expired 0 0

	wm withdraw .expired
	wm transient .expired .

	wm protocol .expired WM_DELETE_WINDOW {}

	ttk::frame .expired.top -padding 10
	pack .expired.top -side top -fill both -expand yes
	ttk::label .expired.top.label -text "This demo of $appname is now expired. Would you like to buy $appname now?" -image _unlock -compound left -anchor n 

	pack .expired.top.label  -side top -fill x -expand yes

	ttk::frame .expired.bottom -padding 5
	pack .expired.bottom -side bottom -fill both -expand yes

	ttk::frame .expired.bottom.upper
	pack .expired.bottom.upper -side top -fill both -expand no


	ttk::frame .expired.bottom.lower -padding 5
	pack .expired.bottom.lower -side bottom -fill both -expand no

	ttk::button .expired.bottom.lower.install -text "Purchase" -default active -command "xplat::launch http://www.codebykevin.com/$appname.html; regproc::getReg; destroy .expired"
	ttk::button .expired.bottom.lower.cancel -text "Cancel" -command " destroy .expired; exit"
	pack  .expired.bottom.lower.install .expired.bottom.lower.cancel  -side right -fill both -expand no
	
	::tk::PlaceWindow .expired widget .

	wm deiconify .expired
	focus .expired.bottom.lower.install

	if {[tk windowingsystem] eq "aqua"} {
	    after idle [list after 0 wm attributes .expired -notify 1]

	    bind all <FocusIn> [list add [list  wm attributes . -notify 0]]
	}
    }

    #check for license, validate if found, set demo pitch if not found
    proc readLic {application version} {

	variable serial 
	variable datadir
	variable appname
	variable appversion
	variable appstore

	set appname $application
	set appversion $version

	set datadir [xplat::appconfig $appname]

	if {[file exists $datadir/.lic] } {
	    file rename $datadir/.lic $datadir/lic.dat
	}

	if {[file exists $datadir/lic.dat]} {
	    
	    set licnum [open $datadir/lic.dat r]
	    set serial [read $licnum]
	    close $licnum
	    return
	} else {
	    set serial "Demo"
	    regproc::checkClock
	    
	}
    }


    #write license to file
    proc setLic {} {
	variable serial
	variable serialbase
	variable datadir
	variable appname
	variable regwindow
	variable appstore

	if {$serial == ""} {
	    tk_messageBox -icon warning -title "Incorrect Serial Number" -message "Incorrect Serial Number" -detail "Incorrect serial number. The application will exit now." -parent .number
	    exit
	}

	set count 20000

	for {set i 1} {$i < $count} {incr i 1} {

	    lappend serialbase [string toupper $appname]-[expr $i * 5]-[expr $i/11]-[expr $i - 1]-[string toupper [string trim [string range $appname 0 1]]]
	}
	

	set output [lsearch  -inline $serialbase $serial]
	puts $serial
	puts $output
	
	if {$output >= 0} {
	    cd $datadir
	    set lic [open $datadir/lic.dat w]
	    puts $lic "$serial"
	    close $lic
	    tk_messageBox -icon info -title "Thank You" -message "Thank You" -detail "Thank you for registering $appname." -parent .number
	    destroy .number
	    #display window that was hidden
	    catch {wm deiconify .}

	} else {
	    if {$expired == 1} {
		tk_messageBox -icon warning -title "Incorrect Serial Number" -message "Incorrect Serial Number" -detail "Incorrect serial number. The application will exit now." -parent .number
		exit
	    }
	    
	    tk_messageBox -icon warning -title "Incorrect Serial Number" -message "Incorrect Serial Number" -detail "Incorrect serial number. Please try again." -parent .number
	    regproc::getReg
	}
    }



    #generate license numbers
    proc genList {application} {

	variable appname
	variable regwindow
	variable appstore

	set appname $application

	set count 20000

	for {set i 1} {$i < $count} {incr i 1} {

	    lappend serialbase [string toupper $appname]-[expr $i * 5]-[expr $i/11]-[expr $i - 1]-[string toupper [string trim [string range $appname 0 1]]]
	}


	if [file exists  $::env(HOME)/[list $appname]-list] {
	    file delete  $::env(HOME)/[list $appname]-list
	}

	foreach item $serialbase {
	    split $item\n
	    set keylist [open $::env(HOME)/[list $appname]-list a]
	    puts $keylist $item
	    close $keylist
	}
    }

    #dialog to input registration number from demo prompt
    proc getReg {} {


	variable serial
	variable regwindow
	variable appstore
	variable expired
	variable appname

	toplevel .number
	wm title .number "License"
	wm resizable .number 0 0

	wm withdraw .number
	wm transient .number .

	wm protocol .number WM_DELETE_WINDOW {}

	ttk::frame .number.top -padding 10
	pack .number.top -side top -fill both -expand yes

	
	ttk::label .number.top.label -text "Please enter your serial number for $appname\nin the field below:" -image _check -compound left -anchor n -padding 10
	pack .number.top.label -side top -fill both -expand yes

	ttk::entry .number.top.entry -textvariable [namespace current]::serial
	pack .number.top.entry -side bottom -fill both -expand yes

	ttk::frame .number.bottom -padding 5
	pack .number.bottom -side bottom -fill both -expand yes

	ttk::frame .number.bottom.upper
	pack .number.bottom.upper -side top -fill both -expand no


	ttk::frame .number.bottom.lower -padding 5
	pack .number.bottom.lower -side bottom -fill both -expand no

	bind .number <Return> {regproc::setLic; destroy .number; raise .}
	ttk::button .number.bottom.lower.install -text "Register" -default active -command {regproc::setLic; destroy .number; raise .}
	ttk::button .number.bottom.lower.cancel -text "Cancel" -command "regproc::exitIfExpired; destroy .number; raise ."
	pack  .number.bottom.lower.install .number.bottom.lower.cancel  -side right -fill both -expand no
	
	::tk::PlaceWindow .number widget .

	wm deiconify .number
	focus .number.bottom.lower.install
	if {[tk windowingsystem] eq "aqua"} {
	    after idle [list after 0 wm attributes .number -notify 1]
	    bind all <FocusIn>  [list  wm attributes . -notify 0]
	}
    }

    proc exitIfExpired {} {

	variable expired
	if {$expired == 1} {
	    exit
	} 

    }

    namespace export *
}

Added softwareupdate/pkgIndex.tcl.























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# Tcl package index file, version 1.1
# This file is generated by the "pkg_mkIndex" command
# and sourced either when an application starts up or
# by a "package unknown" script.  It invokes the
# "package ifneeded" command to set up package-related
# information so that packages will be loaded automatically
# in response to "package require" commands.  When this
# script is sourced, the variable $dir must contain the
# full path name of this file's directory.

package ifneeded softwareupdate 1.4 [list source [file join $dir softwareupdate.tcl]]

Added softwareupdate/softwareupdate.tcl.



























































































































































































































































































































































































































































































































































































































































































































































































































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#softwareupdate.tcl  routines to manage spoftware updates

#  Copyright (C) 2014  WordTech Communications LLC

#MIT license

package provide softwareupdate 1.4
package require http
package require tdom

namespace eval softwareupdate {

    if {![info exists library]} {
	variable library [file dirname [info script]]
    }


    variable icon
	variable appname
    variable tmpdir
    variable currentinstall
    
    switch [tk windowingsystem] {
	"aqua" {
	    set tmpdir $::env(TMPDIR)

	}
	
	"win32" {
	    set tmpdir $::env(TMP)
	}
	
	"x11" {
	    set tmpdir $::env(TMP)
	}
    }
    
   proc setIcon {appicon} {
	
	variable icon
	set icon $appicon
	return $icon
    }

    proc setAppName {name} {

	variable appname
	set appname $name
	return $appname

    }
    

    #check version of installed software
    proc checkVersion {app version} {
	variable appversion
	variable appname
	variable currentversion
	variable versionnumber
	variable appcast
	variable sparkledata
	variable changedata


	set appname $app


	softwareupdate::checkingForUpdates

	set appcast http://www.codebykevin.com/[string tolower $appname].xml
	http::config -useragent "$appname Update Check"

	set xml [http::data [http::geturl $appcast]]

	if [catch {http::geturl $appcast} msg] {
	    puts "error: $msg"
	    tk_messageBox -icon info -title "" -message "Update Error!" -detail "An error occurred in retrieving update information.\nPlease try again later."
	    return
	} 

	dom parse $xml sparkledata
	set versionnumber [string trim [$sparkledata selectNodes -namespaces [list x "http://www.andymatuschak.org/xml-namespaces/sparkle"] {string(//enclosure/@x:version)}] .0]

	set changedata [$sparkledata selectNodes {string(//description/text())}]

	set minOS [$sparkledata selectNodes -namespaces [list x "http://www.andymatuschak.org/xml-namespaces/sparkle"] {string(//x:minimumSystemVersion)}]

	set hostOS [exec sw_vers -productVersion]

	if {![package vsatisfies $hostOS $minOS]} {
	    tk_messageBox -icon warning -message "Error!" -detail "$appname is not supported on Mac OS X $hostOS. The minimum supported OS version is $minOS." 
	    return
	}
	
	if {[expr $currentversion < $versionnumber]} {
	    softwareupdate::updatePitch
	} else {
	    softwareupdate::upToDate
	}
    }
    
    #define the current version of the software
    proc setVersion {app number} {
	variable currentversion
	variable appname
	set currentversion $number
	set appname $app
	
    }
    

   #get the current installation path
    proc findCurrentInstallation {} {
	variable currentinstall
	variable appname 
	switch [tk windowingsystem] {

	    "aqua" {
		set approot [info nameofexecutable]
		set apppath [split $approot /]
		set currentinstall [join [lrange $apppath 0 [lsearch $apppath "*.app"]] / ]
	    }
	    
	    "win32" {
		set currentinstall [file join $::env(APPDATA)  CodebyKevin $appname]
		
	    }
	    
	    "x11" {
		return
	    }
	}
	
	return $currentinstall

    }

    #prompt user to update
    proc updatePitch {} {
	variable appname
	variable icon
	variable changedata
	variable currentversion
	variable versionnumber

	catch {destroy .updateprogress}

	catch {destroy .update}
	

	toplevel .update
	wm title .update "Software Update"

	wm withdraw .update

	frame .update.f -bg gray95
	pack .update.f -fill both -expand yes

	frame .update.f.top -bg gray95
	pack .update.f.top -fill both -expand yes

	label .update.f.top.i -image $icon -bg gray95 -relief flat -highlightthickness 0
	pack .update.f.top.i -side left -fill both -expand yes

	frame .update.f.top.r -bg gray95
	pack .update.f.top.r -side right -fill both -expand yes

	label .update.f.top.r.title -text "A new version of $appname is available!" -font {-weight bold} -bg gray95 -relief flat -highlightthickness 0
	pack .update.f.top.r.title -fill both -expand yes -side top

	label .update.f.top.r.msg -text "$appname $versionnumber is available--you have $currentversion. Would you like to download it now?" -font {-size 10} -bg gray95 -relief flat -highlightthickness 0
	pack .update.f.top.r.msg -fill both -expand yes -side top

	label .update.f.top.r.release -text "Release Notes:" -font {-size 10 -weight bold} -relief flat -highlightthickness 0 -bg gray95 
	pack .update.f.top.r.release -side top -fill both -expand yes

	text .update.f.top.r.text -font TkDefaultFont
	pack .update.f.top.r.text -side top -fill both -expand yes

	ttk::frame .update.f.top.r.bottom -padding 5
	pack .update.f.top.r.bottom -side bottom -fill both -expand yes

	ttk::button .update.f.top.r.bottom.skip -text "Skip This Version" -command {destroy .update}

	ttk::button .update.f.top.r.bottom.install -text "Install Update" -default active -command softwareupdate::installUpdate
	
	pack .update.f.top.r.bottom.install .update.f.top.r.bottom.skip  -side right  -fill both -expand yes

        .update.f.top.r.text insert end $changedata

	.update.f.top.r.text configure -state disabled

	wm resizable .update 0 0
	wm deiconify .update
	raise .update
	wm transient .update .

    }


    #"busy" dialog
    proc checkingForUpdates {} {

	variable appname
	variable icon

	catch {destroy .updateprogress}

	toplevel .updateprogress 
	wm title .updateprogress "Updating $appname"

	wm withdraw .updateprogress
	update idletasks

	ttk::frame .updateprogress.f -padding 5
	pack .updateprogress.f -fill both -expand yes

	label .updateprogress.f.l -bg gray95 -image $icon -bd 0 -relief flat -highlightthickness 0
	pack .updateprogress.f.l -side left -fill both -expand yes

	frame .updateprogress.f.r -bg gray95 -bd 0 -highlightcolor gray95
	pack .updateprogress.f.r -side right -fill both -expand yes
	
	
	ttk::label .updateprogress.f.r.t -text "Checking for updates..." -padding 5
	pack .updateprogress.f.r.t -side top -fill both -expand yes

	ttk::frame .updateprogress.f.r.f -padding 5
	pack .updateprogress.f.r.f -side top -fill both -expand yes
	
	ttk::progressbar .updateprogress.f.r.f.progress -mode indeterminate -orient horizontal
	pack .updateprogress.f.r.f.progress -fill both -expand yes -side top

	.updateprogress.f.r.f.progress start

	ttk::button .updateprogress.f.r.f.b -text "Cancel" -command {destroy .updateprogress}

	pack .updateprogress.f.r.f.b -side bottom -fill both -expand no

	wm geometry .updateprogress 400x100
	wm resizable .updateprogress 0 0

	wm deiconify .updateprogress
	raise .updateprogress

	wm transient .updateprogress .

    }
    
    #dialog if current version is installed
    proc upToDate {} {
	variable appname
	variable versionnumber

	catch {destroy .updateprogress}

	tk_messageBox  -icon info -message "You're up to date!" -detail "$appname $versionnumber is the currently the newest version available."

    }

    #show progress of installation
    proc progressDialog {} {

	variable appname
	variable status

	catch {destroy .downloadprogress}

	toplevel .downloadprogress
	wm title .downloadprogress "Updating $appname"

	wm transient .downloadprogress .

	label .downloadprogress.label -bitmap myicon   -anchor w -bg gray95 -highlightthickness 0

	pack .downloadprogress.label -side left -fill both -expand yes


	ttk::frame .downloadprogress.frame -padding 5
	pack .downloadprogress.frame -side right -fill both -expand yes

	ttk::label .downloadprogress.frame.l -textvariable softwareupdate::status -width 40 -text ""
	pack .downloadprogress.frame.l -side top -fill both -expand yes

	ttk::progressbar .downloadprogress.frame.bar -mode indeterminate -orient horizontal  -maximum 100
	pack .downloadprogress.frame.bar -side top -fill both -expand yes

	.downloadprogress.frame.bar start
	update

	ttk::button .downloadprogress.frame.b -text "Cancel" -command {destroy .updateprogress}
	pack .downloadprogress.frame.b -side right -fill both -expand no

	wm geometry .downloadprogress 400x100
        wm resizable .downloadprogress 0 0
	
    }

    #download and install the update
    proc installUpdate {} {
	variable currentinstall
	variable status
	variable appname
	variable tmpdir

	catch {destroy .update}

	softwareupdate::findCurrentInstallation

	softwareupdate::progressDialog
	set status "Downloading update for $appname"
	
	switch [tk windowingsystem] {

	    "aqua" {
		http::geturl http://www.codebykevin.com/updates/[list $appname].tgz -channel [open $tmpdir/[list $appname].tgz w] 
		update
		after 1000
		cd $tmpdir
		set status "Unpacking update for $appname"
		update
		after 1000
		catch {exec tar xvfz [list $appname].tgz}
	    }
	    
	    "win32" {
		
		http::geturl http://www.codebykevin.com/updates/[list $appname].exe -channel [open $tmpdir/[list $appname].exe w] 

	    }
	    
	    "x11" {
		tk_messageBox -icon info -parent . -message "Please ask the maintainer of $appname on your platform to prepare a release of the latest version."
		return
	    }
	}
	
	
	set status "Ready to install"
	.downloadprogress.frame.bar configure -mode determinate
	.downloadprogress.frame.bar configure -value 100
	.downloadprogress.frame.bar stop
	destroy .downloadprogress.frame.b 
	pack [ttk::button .downloadprogress.frame.b -text "Install and Relaunch" -command softwareupdate::launchUpdate] -side right -fill both -expand no
	return
    }


    #launch the update
    proc launchUpdate {}  {

	variable currentinstall
	variable appname
	variable tmpdir
	
	switch [tk windowingsystem] {

	    "aqua" {
		if {[catch {exec codesign -v $tmpdir/$appname.app} msg]} {
		    bgerror $msg
		    tk_messageBox -icon warning -message "Error!" -detail "An error occurred in the installation of $appname. Please try again later."
		    return
		} else {

		    file rename -force $currentinstall [file join /Users [exec whoami] .Trash [file tail $currentinstall]]

		    file rename -force /tmp/$appname.app $currentinstall

		    exec $currentinstall/Contents/MacOS/$appname &

		    exit
		}
	    }
	    
	    "win32" {
		
		file rename -force $currentinstall/[list $appname].exe $tmpdir/[list $appname].exe~
		file copy $tmpdir/[list $appname].exe $currentinstall/[list $appname.exe]
		exec $currentinstall/[list $appname].exe &
		exit
	    }
	    
	    "x11" {
		tk_messageBox -icon info -parent . -message "Please ask the maintainer of $appname on your platform to prepare a release of the latest version."
		return
	    }
	}

	catch {destroy .downloadprogress}

	

    }

    namespace export *

}

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# Tcl package index file, version 1.1
# This file is generated by the "pkg_mkIndex" command
# and sourced either when an application starts up or
# by a "package unknown" script.  It invokes the
# "package ifneeded" command to set up package-related
# information so that packages will be loaded automatically
# in response to "package require" commands.  When this
# script is sourced, the variable $dir must contain the
# full path name of this file's directory.

package ifneeded xplat 1.0 [list source [file join $dir xplat.tcl]]

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#xplat.tcl: utility shell routines for cross-platform applications. Execute appropriate platform-specific shell command for specified call.

#(c) 2015 Kevin Walzer/WordTech Communications LLC. License: standard Tcl license, http://www.tcl.tk/software/tcltk/license.html

package provide xplat 1.0

namespace eval xplat {

    #print text files: HTML and image files not supported
    proc print {filename} {

	switch [tk windowingsystem] {

	    "x11" {
		exec lpr [list $filename]
	    }
	    "win32" {
		auto_execok start  /min notepad /p [list $filename]
	    }
	    
	    "aqua" {
		package require cocoaprint
		cocoaprint::cocoaprint [list $filename] .
	    }
	}
    }


    #launch file with system default application
    proc launch {filename} {
	switch [tk windowingsystem] {

	    "x11" {
		exec xdg-open [list $filename]
	    }
	    "win32" {
		auto_execok start {} [list $filename]
	    }
	    
	    "aqua" {
		exec open $filename
	    }
	}
    }

    #keyboard accelerator key
    proc controlkey {} {
	
	switch [tk windowingsystem] {

	    "x11" {
		return "Control"
	    }
	    "win32" {
		return "Control"
	    }
	    
	    "aqua" {
		return "Command"
	    }   
	}
    }

    #system location for storing app data
    proc appconfig {appname} {
	switch [tk windowingsystem] {

	    "x11" {
		return [file join $::env(HOME) "." [string tolower  "$appname"]]
	    }
	    "win32" {
		return [file join $::env(APPDATA) "CodebyKevin" "$appname"_config]
	    } 
	    
	    "aqua" {
		return [file join $::env(HOME) "Library" "Application Support" "$appname" "Preferences"]
	    }   
	}
    }

    #manipulate appeareance of app icon
    proc seticon {win imgpath} {
	switch [tk windowingsystem] {

	    "x11" {
		return [wm iconphoto $win $imgpath]
	    }
	    "win32" {
		return [wm iconphoto $win $imgpath]
	    }
	    
	    "aqua" {
		package require tkdock
		tkdock::switchIcon $imgpath
	    }   
	}
    }
    

    namespace export *

}