Index: softwareupdate/pkgIndex.tcl
==================================================================
--- softwareupdate/pkgIndex.tcl
+++ softwareupdate/pkgIndex.tcl
@@ -6,6 +6,6 @@
 # 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]]
+package ifneeded softwareupdate 1.5 [list source [file join $dir softwareupdate.tcl]]

Index: softwareupdate/softwareupdate.tcl
==================================================================
--- softwareupdate/softwareupdate.tcl
+++ softwareupdate/softwareupdate.tcl
@@ -1,14 +1,14 @@
 #softwareupdate.tcl  routines to manage spoftware updates
 
-#  Copyright (C) 2014  WordTech Communications LLC
+#  Copyright (C) 2015  WordTech Communications LLC
 
 #Proprietary to WordTech Communications LLC. Redistribution prohibited.
 
-package provide softwareupdate 1.4
+package provide softwareupdate 1.5
 package require http
-package require tdom
+
 
 namespace eval softwareupdate {
 
     if {![info exists library]} {
 	variable library [file dirname [info script]]
@@ -15,17 +15,35 @@
     }
 
 
     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 {app} {
+    proc setIcon {appicon} {
 	
-	set iconfile [file join [softwareupdate::findCurrentInstallation] "Contents" "Resources" $app.icns]
-
-	tk::mac::iconBitmap myicon 64 64 -imageFile $iconfile
+	variable icon
+	set icon $appicon
+	return $icon
     }
 
     proc setAppName {name} {
 
 	variable appname
@@ -39,51 +57,39 @@
     proc checkVersion {app version} {
 	variable appversion
 	variable appname
 	variable currentversion
 	variable versionnumber
-	variable appcast
-	variable sparkledata
-	variable changedata
 
-	softwareupdate::setIcon $app
-	softwareupdate::checkingForUpdates
+	set appname $app
 
-	set appcast http://www.codebykevin.com/[string tolower $appname].xml
+	set versionurl http://www.codebykevin.com/version.tcl
 	http::config -useragent "$appname Update Check"
 
-	set xml [http::data [http::geturl $appcast]]
-
-	puts $xml
-
-	if [catch {http::geturl $appcast} msg] {
+	if [catch {http::geturl $versionurl} msg] {
 	    puts "error: $msg"
-	    tk_messageBox -icon info -title "" -message "Update Error!" -detail "An error occurred in retrieving update information.\nPlease try again later."
+	    tk_messageBox -icon warning -title "Unable to Connect to Server" -message "Unable to Connect to Server" -detail "Unable to connect to www.codebykevin.com to check for updates. Please make sure you are connected to the Internet." -parent .
 	    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]} {
+	array set appversion [http::data [http::geturl $versionurl]]
+	set versionnumber $appversion([string tolower $appname])
+	if {$currentversion < $versionnumber} {
 	    softwareupdate::updatePitch
 	} else {
-	    softwareupdate::upToDate $appname $currentversion
+	    softwareupdate::upToDate
 	}
     }
-
+    
+    #define the current version of the software
+    proc setVersion {app number} {
+	variable currentversion
+	variable appname
+	set currentversion $number
+	set appname $app
+	
+    }
 
     #define the current version of the software
     proc setVersion {app number} {
 	variable currentversion
 	variable appname
@@ -94,154 +100,67 @@
 
 
     #get the current installation path
     proc findCurrentInstallation {} {
 	variable currentinstall
-	set approot [info nameofexecutable]
-	set apppath [split $approot /]
-	set currentinstall [join [lrange $apppath 0 [lsearch $apppath "*.app"]] / ]
+	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 C {Program Files} $appname]
+		
+	    }
+	    
+	    "x11" {
+		return
+	    }
+	}
+	
 	return $currentinstall
 
     }
 
-    #prompt user to update: for Perl, which chokes on XML parsing from Tcl
-    proc updatePitchPerl {apptitle appnumber currentapp changelog} {
-	variable appname
-	variable myicon
-	variable changedata
-	variable currentversion
-	variable versionnumber
-	variable changelist
 
-	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 -bitmap myicon -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 $apptitle is available!" -font {-weight bold} -bg gray95 -relief flat -highlightthickness 0
-	pack .update.f.top.r.title -fill both -expand yes -side top
-
-	label .update.f.top.r.msg -text "$apptitle $appnumber is available--you have $currentapp. Would you like to download it now?" -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 {-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
-
-	set changetext [split $changelog *]
-
-	set changetext [lrange $changetext 1 end]
-
-	foreach item $changetext {
-	    
-	    .update.f.top.r.text insert end "* $item\n"
-
-	}
-
-	.update.f.top.r.text configure -state disabled
-
-	wm resizable .update 0 0
-	wm deiconify .update
-	raise .update
-	wm transient .update .
-
-    }
-
-    #prompt user to update
     proc updatePitch {} {
 	variable appname
-	variable myicon
-	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 -bitmap myicon -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 $changedata
-
-	.update.f.top.r.text configure -state disabled
-
-	wm resizable .update 0 0
-	wm deiconify .update
-	raise .update
-	wm transient .update .
-
+
+	set changeurl http://www.codebykevin.com/$appname-changes.tcl
+
+        if [catch {http::geturl $changeurl} msg] {
+	    puts "error: $msg"
+	    tk_messageBox -icon warning -title "Unable to Connect to Server" -message "Unable to Connect to Server" -detail "Unable to connect to www.codebykevin.com to check for updates. Please make sure you are connected to the Internet." -parent .
+	    return
+	} 
+
+
+	set changelist [http::data [http::geturl $changeurl]]
+
+	set updateanswer [tk_messageBox -title "Update" -icon info -message "Update Available" -detail "A new version ($softwareupdate::versionnumber) of $appname is available.\n\nThis new version features the following updates and changes:\n\n$changelist\n\nWould you like to install it? " -type yesno -parent .]
+	switch -- $updateanswer {
+	    yes {
+		softwareupdate::installUpdate
+	    }
+	    no {
+		destroy $updateanswer
+		return
+	    }
+	    
+	}
     }
 
 
     #"busy" dialog
     proc checkingForUpdates {} {
 
 	variable appname
+	variable icon
 
 	catch {destroy .updateprogress}
 
 	toplevel .updateprogress 
 	wm title .updateprogress "Updating $appname"
@@ -250,14 +169,14 @@
 	update idletasks
 
 	ttk::frame .updateprogress.f -padding 5
 	pack .updateprogress.f -fill both -expand yes
 
-	label .updateprogress.f.l -bg gray95 -bitmap myicon -bd 0 -relief flat -highlightthickness 0
+	ttk::label .updateprogress.f.l -bg gray95 -image $icon 
 	pack .updateprogress.f.l -side left -fill both -expand yes
 
-	frame .updateprogress.f.r -bg gray95 -bd 0 -highlightcolor gray95
+	ttk::frame .updateprogress.f.r 
 	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
@@ -297,19 +216,20 @@
     #show progress of installation
     proc progressDialog {} {
 
 	variable appname
 	variable status
+	variable icon
 
 	catch {destroy .downloadprogress}
 
 	toplevel .downloadprogress
 	wm title .downloadprogress "Updating $appname"
 
 	wm transient .downloadprogress .
 
-	label .downloadprogress.label -bitmap myicon   -anchor w -bg gray95 -highlightthickness 0
+	ttk::label .downloadprogress.label -image $icon   -anchor w 
 
 	pack .downloadprogress.label -side left -fill both -expand yes
 
 
 	ttk::frame .downloadprogress.frame -padding 5
@@ -335,30 +255,45 @@
     #download and install the update
     proc installUpdate {} {
 	variable currentinstall
 	variable status
 	variable appname
+	variable tmpdir
 
 	catch {destroy .update}
 
 	softwareupdate::findCurrentInstallation
-
-	variable appname
-	variable status
-
 
 	softwareupdate::progressDialog
 	set status "Downloading update for $appname"
-	#use curl because http module seems broken especially when called from Perl; also use /tmp because Perl doesn't like env(TMPDIR)
-	catch {exec curl http://www.codebykevin.com/updates/[list $appname].tgz >/tmp/$appname.tgz}
-	update
-	after 1000
-	cd /tmp
-	set status "Unpacking update for $appname"
-	update
-	after 1000
-	catch {exec tar xvfz [list $appname].tgz}
+	
+	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 
@@ -370,28 +305,49 @@
     #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 $currentinstall/[list $appname].exe~
+		file copy $tmpdir/[list $appname].exe $currentinstall/[list $appname.exe]
+		exec $currentinstall/[list $appname].exe &
+	    }
+	    
+	    "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}
 
-	if {[catch {exec codesign -v /tmp/$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
-	}
+	
 
     }
 
     namespace export *
 
 }
+