1 files changed, 59 insertions, 59 deletions

diff --git a/ext/tk/lib/tkextlib/tkDND/tkdnd.rb b/ext/tk/lib/tkextlib/tkDND/tkdnd.rb
index d0895c2afd..78381f8df0 100644
--- a/ext/tk/lib/tkextlib/tkDND/tkdnd.rb
+++ b/ext/tk/lib/tkextlib/tkDND/tkdnd.rb
@@ -17,39 +17,39 @@ module Tk
   module TkDND
     def self.package_version
       begin
-	TkPackage.require('tkdnd')
+        TkPackage.require('tkdnd')
       rescue
-	''
+        ''
       end
     end
 
     class DND_Subst < TkUtil::CallbackSubst
       KEY_TBL = [
-	[ ?a, ?l, :actions ], 
-	[ ?A, ?s, :action ], 
-	[ ?b, ?L, :codes ], 
-	[ ?c, ?s, :code ], 
-	[ ?d, ?l, :descriptions ], 
-	[ ?D, ?l, :data ], 
-	[ ?L, ?l, :source_types ], 
-	[ ?m, ?l, :modifiers ], 
-	[ ?t, ?l, :types ], 
-	[ ?T, ?s, :type ], 
-	[ ?W, ?w, :widget ], 
-	[ ?x, ?n, :x ], 
-	[ ?X, ?n, :x_root ], 
-	[ ?y, ?n, :y ], 
-	[ ?Y, ?n, :y_root ], 
-	nil
+        [ ?a, ?l, :actions ], 
+        [ ?A, ?s, :action ], 
+        [ ?b, ?L, :codes ], 
+        [ ?c, ?s, :code ], 
+        [ ?d, ?l, :descriptions ], 
+        [ ?D, ?l, :data ], 
+        [ ?L, ?l, :source_types ], 
+        [ ?m, ?l, :modifiers ], 
+        [ ?t, ?l, :types ], 
+        [ ?T, ?s, :type ], 
+        [ ?W, ?w, :widget ], 
+        [ ?x, ?n, :x ], 
+        [ ?X, ?n, :x_root ], 
+        [ ?y, ?n, :y ], 
+        [ ?Y, ?n, :y_root ], 
+        nil
       ]
 
       PROC_TBL = [
-	[ ?n, TkComm.method(:num_or_str) ], 
-	[ ?s, TkComm.method(:string) ], 
-	[ ?l, TkComm.method(:list) ], 
-	[ ?L, TkComm.method(:simplelist) ], 
-	[ ?w, TkComm.method(:window) ], 
-	nil
+        [ ?n, TkComm.method(:num_or_str) ], 
+        [ ?s, TkComm.method(:string) ], 
+        [ ?l, TkComm.method(:list) ], 
+        [ ?L, TkComm.method(:simplelist) ], 
+        [ ?w, TkComm.method(:window) ], 
+        nil
       ]
 
       # setup tables
@@ -58,62 +58,62 @@ module Tk
 
     module DND
       def self.version
-	begin
-	  TkPackage.require('tkdnd')
-	rescue
-	  ''
-	end
+        begin
+          TkPackage.require('tkdnd')
+        rescue
+          ''
+        end
       end
 
       def dnd_bindtarget_info(type=nil, event=nil)
-	if event
-	  procedure(tk_call('dnd', 'bindtarget', @path, type, event))
-	elsif type
-	  procedure(tk_call('dnd', 'bindtarget', @path, type))
-	else
-	  simplelist(tk_call('dnd', 'bindtarget', @path))
-	end
+        if event
+          procedure(tk_call('dnd', 'bindtarget', @path, type, event))
+        elsif type
+          procedure(tk_call('dnd', 'bindtarget', @path, type))
+        else
+          simplelist(tk_call('dnd', 'bindtarget', @path))
+        end
       end
 
       def dnd_bindtarget(type, event, cmd=Proc.new, prior=50, *args)
-	event = tk_event_sequence(event)
-	if prior.kind_of?(Numeric)
-	  tk_call('dnd', 'bindtarget', @path, type, event, 
-		  install_bind_for_event_class(DND_Subst, cmd, *args), 
-		  prior)
-	else
-	  tk_call('dnd', 'bindtarget', @path, type, event, 
-		  install_bind_for_event_class(DND_Subst, cmd, prior, *args))
-	end
-	self
+        event = tk_event_sequence(event)
+        if prior.kind_of?(Numeric)
+          tk_call('dnd', 'bindtarget', @path, type, event, 
+                  install_bind_for_event_class(DND_Subst, cmd, *args), 
+                  prior)
+        else
+          tk_call('dnd', 'bindtarget', @path, type, event, 
+                  install_bind_for_event_class(DND_Subst, cmd, prior, *args))
+        end
+        self
       end
 
       def dnd_cleartarget
-	tk_call('dnd', 'cleartarget', @path)
-	self
+        tk_call('dnd', 'cleartarget', @path)
+        self
       end
 
       def dnd_bindsource_info(type=nil)
-	if type
-	  procedure(tk_call('dnd', 'bindsource', @path, type))
-	else
-	  simplelist(tk_call('dnd', 'bindsource', @path))
-	end
+        if type
+          procedure(tk_call('dnd', 'bindsource', @path, type))
+        else
+          simplelist(tk_call('dnd', 'bindsource', @path))
+        end
       end
 
       def dnd_bindsource(type, cmd=Proc.new, prior=None)
-	tk_call('dnd', 'bindsource', @path, type, cmd, prior)
-	self
+        tk_call('dnd', 'bindsource', @path, type, cmd, prior)
+        self
       end
 
       def dnd_clearsource()
-	tk_call('dnd', 'clearsource', @path)
-	self
+        tk_call('dnd', 'clearsource', @path)
+        self
       end
 
       def dnd_drag(keys=nil)
-	tk_call('dnd', 'drag', @path, *hash_kv(keys))
-	self
+        tk_call('dnd', 'drag', @path, *hash_kv(keys))
+        self
       end
     end
   end