1 files changed, 138 insertions, 0 deletions
diff --git a/trunk/ext/tk/lib/tk/bindtag.rb b/trunk/ext/tk/lib/tk/bindtag.rb
new file mode 100644
index 0000000000..88c8367a88
--- /dev/null
+++ b/trunk/ext/tk/lib/tk/bindtag.rb
@@ -0,0 +1,138 @@
+#
+# tk/bind.rb : control event binding
+#
+require 'tk'
+
+class TkBindTag
+  include TkBindCore
+
+  #BTagID_TBL = {}
+  BTagID_TBL = TkCore::INTERP.create_table
+
+  (Tk_BINDTAG_ID = ["btag".freeze, "00000".taint]).instance_eval{
+    @mutex = Mutex.new
+    def mutex; @mutex; end
+    freeze
+  }
+
+  TkCore::INTERP.init_ip_env{
+    BTagID_TBL.mutex.synchronize{ BTagID_TBL.clear }
+  }
+
+  def TkBindTag.id2obj(id)
+    BTagID_TBL.mutex.synchronize{
+      (BTagID_TBL[id])? BTagID_TBL[id]: id
+    }
+  end
+
+=begin
+  def TkBindTag.new_by_name(name, *args, &b)
+    BTagID_TBL.mutex.synchronize{
+      return BTagID_TBL[name] if BTagID_TBL[name]
+    }
+
+    self.new.instance_eval{
+      BTagID_TBL.mutex.synchronize{
+        BTagID_TBL.delete @id
+        @id = name
+        BTagID_TBL[@id] = self
+      }
+      bind(*args, &b) if args != []
+      self
+    }
+  end
+=end
+  def TkBindTag.new_by_name(name, *args, &b)
+    obj = nil
+    BTagID_TBL.mutex.synchronize{
+      if BTagID_TBL[name]
+        obj = BTagID_TBL[name]
+      else
+        (obj = BTagID_TBL[name] = self.allocate).instance_eval{
+          @id = name
+        }
+      end
+    }
+    bind(*args, &b) if obj && args != []
+    obj
+  end
+
+  def initialize(*args, &b)
+    Tk_BINDTAG_ID.mutex.synchronize{
+      # @id = Tk_BINDTAG_ID.join('')
+      @id = Tk_BINDTAG_ID.join(TkCore::INTERP._ip_id_)
+      Tk_BINDTAG_ID[1].succ!
+    }
+    BTagID_TBL.mutex.synchronize{
+      BTagID_TBL[@id] = self
+    }
+    bind(*args, &b) if args != []
+  end
+
+  ALL = self.new_by_name('all')
+
+  def name
+    @id
+  end
+
+  def to_eval
+    @id
+  end
+
+  def inspect
+    #Kernel.format "#<TkBindTag: %s>", @id
+    '#<TkBindTag: ' + @id + '>'
+  end
+end
+
+
+class TkBindTagAll<TkBindTag
+  def TkBindTagAll.new(*args, &b)
+    $stderr.puts "Warning: TkBindTagALL is obsolete. Use TkBindTag::ALL\n"
+
+    TkBindTag::ALL.bind(*args, &b) if args != []
+    TkBindTag::ALL
+  end
+end
+
+
+class TkDatabaseClass<TkBindTag
+=begin
+  def self.new(name, *args, &b)
+    BTagID_TBL.mutex.synchronize{
+      return BTagID_TBL[name] if BTagID_TBL[name]
+    }
+    super(name, *args, &b)
+  end
+
+  def initialize(name, *args, &b)
+    @id = name
+    BTagID_TBL.mutex.synchronize{
+      BTagID_TBL[@id] = self
+    }
+    bind(*args, &b) if args != []
+  end
+=end
+  def self.new(name, *args, &b)
+    BTagID_TBL.mutex.synchronize{
+      if BTagID_TBL[name]
+        BTagID_TBL[name]
+      else
+        BTagID_TBL[name] = self.allocate.instance_eval{
+          initialize(name, *args, &b)
+          self
+        }
+      end
+    }
+  end
+
+  def initialize(name, *args, &b)
+    @id = name
+    bind(*args, &b) if args != []
+  end
+
+  def inspect
+    #Kernel.format "#<TkDatabaseClass: %s>", @id
+    '#<TkDatabaseClass: ' + @id + '>'
+  end
+end