Mercurial Repositories > eric / file diff

--- a/eric7/HelpViewer/HelpViewerImpl.py	Sat Oct 16 20:37:32 2021 +0200
+++ b/eric7/HelpViewer/HelpViewerImpl.py	Sat Oct 16 20:38:23 2021 +0200
@@ -123,6 +123,26 @@
         """
         raise RuntimeError("Not implemented")
     
+    def isBackwardAvailable(self):
+        """
+        Public method to check, if stepping backward through the history is
+        available.
+        
+        @exception RuntimeError raised when not implemented
+        """
+        raise RuntimeError("Not implemented")
+        return False
+    
+    def isForwardAvailable(self):
+        """
+        Public method to check, if stepping forward through the history is
+        available.
+        
+        @exception RuntimeError raised when not implemented
+        """
+        raise RuntimeError("Not implemented")
+        return False
+    
     def scaleUp(self):
         """
         Public method to zoom in.
@@ -139,6 +159,16 @@
         """
         raise RuntimeError("Not implemented")
     
+    def setScale(self, scale):
+        """
+        Public method to set the zoom level.
+        
+        @param scale zoom level to set
+        @type int
+        @exception RuntimeError raised when not implemented
+        """
+        raise RuntimeError("Not implemented")
+    
     def resetScale(self):
         """
         Public method to reset the zoom level.