1 files changed, 115 insertions, 0 deletions
diff --git a/ruby_1_8_5/ext/tk/sample/safe-tk.rb b/ruby_1_8_5/ext/tk/sample/safe-tk.rb
new file mode 100644
index 0000000000..e2289697e0
--- /dev/null
+++ b/ruby_1_8_5/ext/tk/sample/safe-tk.rb
@@ -0,0 +1,115 @@
+#!/usr/bin/env ruby
+# This script is a sample of MultiTkIp class
+
+require "multi-tk"
+
+###############################
+
+TkLabel.new(:text=>'This is the Default Master Ipnterpreter').pack(:padx=>5, :pady=>3)
+TkButton.new(:text=>'QUIT', :command=>proc{exit}).pack(:pady=>3)
+TkFrame.new(:borderwidth=>2, :height=>3, 
+            :relief=>:sunken).pack(:fill=>:x, :expand=>true,
+                                   :padx=>10, :pady=>7)
+
+###############################
+
+puts "---- create a safe slave IP with Ruby's safe-level == 1 ----------"
+ip = MultiTkIp.new_safe_slave(1)
+
+puts "\n---- create procs ----------"
+puts 'x = proc{p [\'proc x\', "$SAFE==#{$SAFE}"]; exit}'
+x = proc{p ['proc x', "$SAFE==#{$SAFE}"]; exit}
+TkLabel.new(:text=>'x = proc{p [\'proc x\', "$SAFE==#{$SAFE}"]; exit}', 
+            :anchor=>:w).pack(:fill=>:x)
+
+puts 'y = proc{|label| p [\'proc y\', "$SAFE==#{$SAFE}", label]; label.text($SAFE)}'
+y = proc{|label| p ['proc y', "$SAFE==#{$SAFE}", label]; label.text($SAFE)}
+TkLabel.new(:text=>'y = proc{|label| p [\'proc y\', "$SAFE==#{$SAFE}", label]; label.text($SAFE)}', 
+            :anchor=>:w).pack(:fill=>:x)
+
+puts 'z = proc{p [\'proc z\', "$SAFE==#{$SAFE}"]; exit}'
+z = proc{p ['proc z', "$SAFE==#{$SAFE}"]; exit}
+TkLabel.new(:text=>'z = proc{p [\'proc z\', "$SAFE==#{$SAFE}"]; exit}', 
+            :anchor=>:w).pack(:fill=>:x)
+
+puts "\n---- call 1st eval_proc ----------"
+print 'lbl = '
+p lbl = ip.eval_proc{
+  TkLabel.new(:text=>"1st eval_proc : $SAFE == #{$SAFE}").pack
+
+  f = TkFrame.new.pack
+  TkLabel.new(f, :text=>"$SAFE == ").pack(:side=>:left)
+  # TkLabel.new(f, :text=>" (<-- 'lbl' widget is here)").pack(:side=>:right)
+  l = TkLabel.new(f).pack(:side=>:right)
+
+  TkButton.new(:text=>':command=>proc{l.text($SAFE)}', 
+               :command=>proc{l.text($SAFE)}).pack(:fill=>:x, :padx=>5)
+  TkButton.new(:text=>':command=>x', :command=>x).pack(:fill=>:x, :padx=>5)
+  TkButton.new(:text=>':command=>proc{exit}', 
+               :command=>proc{exit}).pack(:fill=>:x, :padx=>5)
+  TkFrame.new(:borderwidth=>2, :height=>3, 
+              :relief=>:sunken).pack(:fill=>:x, :expand=>true,
+                                     :padx=>10, :pady=>7)
+  l # return the label widget
+}
+
+puts "\n---- change the safe slave IP's safe-level ==> 3 ----------"
+ip.safe_level = 3
+
+puts "\n---- call 2nd eval_proc ----------"
+p ip.eval_proc(proc{
+                 TkLabel.new(:text=>"2nd eval_proc : $SAFE == #{$SAFE}").pack
+                 f = TkFrame.new.pack
+                 TkLabel.new(f, :text=>"$SAFE == ").pack(:side=>:left)
+                 l = TkLabel.new(f, :text=>$SAFE).pack(:side=>:right)
+                 TkButton.new(:text=>':command=>proc{l.text($SAFE)}', 
+                              :command=>proc{l.text($SAFE)}).pack(:fill=>:x, 
+                                                                  :padx=>5)
+                 TkButton.new(:text=>':command=>proc{y.call(l)}', 
+                              :command=>proc{y.call(l)}).pack(:fill=>:x, 
+                                                              :padx=>5)
+                 TkButton.new(:text=>':command=>proc{Thread.new(l, &y).value}',
+                              :command=>proc{
+                                Thread.new(l, &y).value
+                              }).pack(:fill=>:x, :padx=>5)
+                 TkButton.new(:text=>':command=>proc{z.call}', 
+                              :command=>proc{z.call}).pack(:fill=>:x, :padx=>5)
+                 TkFrame.new(:borderwidth=>2, :height=>3, 
+                             :relief=>:sunken).pack(:fill=>:x, :expand=>true,
+                                                    :padx=>10, :pady=>7)
+               })
+
+puts "\n---- call 1st and 2nd eval_str ----------"
+p bind = ip.eval_str('
+  TkLabel.new(:text=>"1st and 2nd eval_str : $SAFE == #{$SAFE}").pack
+  f = TkFrame.new.pack
+  TkLabel.new(f, :text=>"$SAFE == ").pack(:side=>:left)
+  l = TkLabel.new(f, :text=>$SAFE).pack(:side=>:right)
+  TkButton.new(:text=>":command=>proc{y.call(l)}", 
+               :command=>proc{y.call(l)}).pack(:fill=>:x, :padx=>5)
+  binding
+', binding)
+
+p ip.eval_str("
+  TkButton.new(:text=>':command=>proc{ l.text = $SAFE }', 
+               :command=>proc{ l.text = $SAFE }).pack(:fill=>:x, :padx=>5)
+  TkFrame.new(:borderwidth=>2, :height=>3, 
+              :relief=>:sunken).pack(:fill=>:x, :expand=>true,
+                                     :padx=>10, :pady=>7)
+", bind)
+
+puts "\n---- change the safe slave IP's safe-level ==> 4 ----------"
+ip.safe_level = 4
+
+puts "\n---- call 3rd and 4th eval_proc ----------"
+p ip.eval_proc{
+  TkLabel.new(:text=>"3rd and 4th eval_proc : $SAFE == #{$SAFE}").pack
+}
+p ip.eval_proc{
+  TkButton.new(:text=>':command=>proc{ lbl.text = $SAFE }', 
+               :command=>proc{ lbl.text = $SAFE }).pack(:fill=>:x, :padx=>5)
+}
+
+puts "\n---- start event-loop ( current $SAFE == #{$SAFE} ) ----------"
+
+Tk.mainloop