Added buttons for navigating the move history

widgets/gogame.py

@@ -83,6 +83,25 @@ class GoGame(gtk.HBox):
         self.pack_start(self.board_area, expand=False)
         self.pack_end(info_box, expand=False)
 
+        
+        nav_row = gtk.HBox()
+        fwd_button = gtk.Button(stock=gtk.STOCK_GO_FORWARD)
+        back_button = gtk.Button(stock=gtk.STOCK_GO_BACK)
+        first_button = gtk.Button(stock=gtk.STOCK_GOTO_FIRST)
+        last_button = gtk.Button(stock=gtk.STOCK_GOTO_LAST)
+
+        nav_row.pack_start(first_button)
+        nav_row.pack_start(back_button)
+        nav_row.pack_start(fwd_button)
+        nav_row.pack_start(last_button)
+
+        first_button.connect('clicked', self.do_first_move)
+        back_button.connect('clicked', self.do_back_move)
+        fwd_button.connect('clicked', self.do_forward_move)
+        last_button.connect('clicked', self.do_last_move)
+
+        info_box.pack_start(nav_row, expand=False)
+
         self.update_info()
 
 
@@ -122,6 +141,26 @@ class GoGame(gtk.HBox):
         self.update(changed)
 
 
+    def do_back_move(self, widget):
+        self.goban.play_to_move_n(self.goban.move - 1)
+        self.update()
+
+
+    def do_forward_move(self, widget):
+        self.goban.play_to_move_n(self.goban.move + 1)
+        self.update()
+
+
+    def do_first_move(self, widget):
+        self.goban.soft_reset()
+        self.update()
+
+
+    def do_last_move(self, widget):
+        self.goban.play_to_move_n()
+        self.update()
+
+
     def do_board_configure(self, widget, event):
         gc = widget.get_style().fg_gc[gtk.STATE_NORMAL]
         x,y,width,height = widget.get_allocation()