Removed extra line

Made PowerpontController class compatible with Linux

openlp/core/ui/slidecontroller.py

@@ -1037,7 +1037,6 @@ class SlideController(DisplayController):
         Registry().execute('%s_next' % self.service_item.name.lower(), [self.service_item, self.is_live])
         if self.service_item.is_command() and self.is_live:
             self.update_preview()
-
         else:
             row = self.preview_widget.current_slide_number() + 1
             if row == self.preview_widget.slide_count():

openlp/plugins/presentations/lib/powerpointcontroller.py

@@ -32,13 +32,14 @@ This modul is for controlling powerpiont. PPT API documentation:
 """
 import os
 import logging
+
 if os.name == 'nt':
     from win32com.client import Dispatch
-    from .ppt import *
     import win32com
     import winreg
     import win32ui
     import pywintypes
+    from .ppt import constants
 
 from openlp.core.lib import ScreenList, Registry
 from .presentationcontroller import PresentationController, PresentationDocument
@@ -356,19 +357,32 @@ def _get_text_from_shapes(shapes):
             text += shape.TextFrame.TextRange.Text + '\n'
     return text
 
+if os.name == "nt":
     ppE = win32com.client.getevents("PowerPoint.Application")
 
     class PowerpointEvents(ppE):
         def OnSlideShowBegin(self, hwnd ):
-        print("SS Begin")
+            #print("SS Begin")
+            return
+
         def OnSlideShowEnd(self, pres):
-        print("SS End")
+            #print("SS End")
+            return
 
         def OnSlideShowNextSlide( self, hwnd ):
             Registry().execute('slidecontroller_live_change', hwnd.View.CurrentShowPosition - 1)
-        print('Slide change:',hwnd.View.CurrentShowPosition)
-    def OnSlideShowOnNext(self, hwnd ):
-        print("SS Advance")
-    def OnSlideShowOnPrevious(self, hwnd):
-        print("SS GoBack")
+            #print('Slide change:',hwnd.View.CurrentShowPosition)
+            return
+
+        def OnSlideShowOnNext(self, hwnd ):
+            #print("SS Advance")
+            return
+
+        def OnSlideShowOnPrevious(self, hwnd):
+            #print("SS GoBack")
+            return
+
+else:
+    class constants():
+        ppPlaceholderBody = 2