* ext/tk/lib/tk.rb (_callback_entry_class?): add for checking whether

  a class is available for a callback entry.
* ext/tk/lib/tk.rb (after_cancel): add Tk.after_cancel(afterID) method.
* ext/tk/lib/tk.rb (array2tk_list): change from private module method
  of TkComm to public module method.
* ext/tk/lib/tk.rb (cget): add check that slot argument is not empty string.
* ext/tk/lib/tk.rb (configinfo): ditto.
* ext/tk/lib/tk/itemconfig.rb (itemcget): add check that slot argument
  is not empty string.
* ext/tk/lib/tk/itemconfig.rb (itemconfiginfo): ditto.
* ext/tk/lib/tk/entry.rb: add TkEntry#icursor and icursor= (alias of
  cursor and cursor= method).
* ext/tk/lib/tk/font.rb: improve font treatment when the font name is
  empty string.
* ext/tk/lib/tk/variable.rb: add :variable, :window and :procedure type.
* ext/tk/lib/tk/variable.rb: improve treatment of array-type tkvariable.
* ext/tk/lib/tkextlib/blt.rb: add commands for zooming.
* ext/tk/lib/tkextlib/blt/*: bug fix.
* ext/tk/lib/tkextlib/treectrl/tktreectrl.rb: bug fix and add methods
  to call TreeCtrl commands for bindings.
* ext/tk/sample/tkextlib/blt/*: new sample scritps.
* ext/tk/sample/tkextlib/treectrl/*: ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@8195 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 41 insertions, 0 deletions

diff --git a/ext/tk/lib/tkextlib/blt.rb b/ext/tk/lib/tkextlib/blt.rb
index 965886762e..60ed39a0cf 100644
--- a/ext/tk/lib/tkextlib/blt.rb
+++ b/ext/tk/lib/tkextlib/blt.rb
@@ -105,6 +105,47 @@ module Tk
 
     ####################################################
 
+    def self.active_legend(graph)
+      tk_call_without_enc('Blt_ActiveLegend', graph)
+    end
+    def self.crosshairs(graph)
+      tk_call_without_enc('Blt_Crosshairs', graph)
+    end
+    def self.zoom_stack(graph)
+      tk_call_without_enc('Blt_ZoomStack', graph)
+    end
+    def self.print_key(graph)
+      tk_call_without_enc('Blt_PrintKey', graph)
+    end
+    def self.closest_point(graph)
+      tk_call_without_enc('Blt_ClosestPoint', graph)
+    end
+
+    module GraphCommand
+      def active_legend
+        tk_call_without_enc('Blt_ActiveLegend', @path)
+        self
+      end
+      def crosshairs
+        tk_call_without_enc('Blt_Crosshairs', @path)
+        self
+      end
+      def zoom_stack
+        tk_call_without_enc('Blt_ZoomStack', @path)
+        self
+      end
+      def print_key
+        tk_call_without_enc('Blt_PrintKey', @path)
+        self
+      end
+      def closest_point
+        tk_call_without_enc('Blt_ClosestPoint', @path)
+        self
+      end
+    end
+
+    ####################################################
+
     autoload :PlotComponent,'tkextlib/blt/component.rb'
 
     autoload :Barchart,     'tkextlib/blt/barchart.rb'