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-rw-r--r--ext/tk/sample/tkbiff.rb149
1 files changed, 149 insertions, 0 deletions
diff --git a/ext/tk/sample/tkbiff.rb b/ext/tk/sample/tkbiff.rb
new file mode 100644
index 0000000000..d2d7bf7beb
--- /dev/null
+++ b/ext/tk/sample/tkbiff.rb
@@ -0,0 +1,149 @@
+#! /usr/local/bin/ruby
+
+if ARGV[0] != '-d'
+ unless $DEBUG
+ exit if fork
+ end
+else
+ ARGV.shift
+end
+
+if ARGV.length == 0
+ if ENV['MAIL']
+ $spool = ENV['MAIL']
+ else
+ $spool = '/usr/spool/mail/' + ENV['USER']
+ end
+else
+ $spool = ARGV[0]
+end
+
+require "parsedate"
+require "base64"
+
+include ParseDate
+
+class Mail
+ def Mail.new(f)
+ if !f.kind_of?(IO)
+ f = open(f, "r")
+ me = super
+ f.close
+ else
+ me = super
+ end
+ return me
+ end
+
+ def initialize(f)
+ @header = {}
+ @body = []
+ while f.gets()
+ $_.chop!
+ next if /^From / # skip From-line
+ break if /^$/ # end of header
+ if /^(\S+):\s*(.*)/
+ @header[attr = $1.capitalize] = $2
+ elsif attr
+ sub(/^\s*/, '')
+ @header[attr] += "\n" + $_
+ end
+ end
+
+ return if ! $_
+
+ while f.gets()
+ break if /^From /
+ @body.push($_)
+ end
+ end
+
+ def header
+ return @header
+ end
+
+ def body
+ return @body
+ end
+
+end
+
+require "tkscrollbox"
+
+$top = TkRoot.new
+$top.withdraw
+$list = TkScrollbox.new($top) {
+ relief 'raised'
+ width 80
+ height 8
+ setgrid 'yes'
+ pack
+}
+TkButton.new($top) {
+ text 'Dismiss'
+ command proc {$top.withdraw}
+ pack('fill'=>'both','expand'=>'yes')
+}
+$top.bind "Control-c", proc{exit}
+$top.bind "Control-q", proc{exit}
+$top.bind "space", proc{exit}
+
+$spool_size = 0
+$check_time = Time.now
+
+def check
+ $check_time = Time.now
+ size = File.size($spool)
+ if size and size != $spool_size
+ $spool_size = size
+ pop_up if size > 0
+ end
+ Tk.after 5000, proc{check}
+end
+
+if defined? Thread
+ Thread.start do
+ loop do
+ sleep 600
+ if Time.now - $check_time > 200
+ Tk.after 5000, proc{check}
+ end
+ end
+ end
+end
+
+def pop_up
+ outcount = 0;
+ $list.delete 0, 'end'
+ f = open($spool, "r")
+ while !f.eof?
+ mail = Mail.new(f)
+ date, from, subj = mail.header['Date'], mail.header['From'], mail.header['Subject']
+ next if !date
+ y = m = d = 0
+ y, m, d = parsedate(date) if date
+ from = "sombody@somewhere" if ! from
+ subj = "(nil)" if ! subj
+ from = decode_b(from)
+ subj = decode_b(subj)
+ $list.insert 'end', format('%-02d/%02d/%02d [%-28.28s] %s',y,m,d,from,subj)
+ outcount += 1
+ end
+ f.close
+ if outcount == 0
+ $list.insert 'end', "You have no mail."
+ else
+ $list.see 'end'
+ end
+ $top.deiconify
+ Tk.after 2000, proc{$top.withdraw}
+end
+
+$list.insert 'end', "You have no mail."
+check
+Tk.after 2000, proc{$top.withdraw}
+begin
+ Tk.mainloop
+rescue
+ `echo #$! > /tmp/tkbiff`
+end