Moved the check for page scrolling with the wheel into wxMouseEvent so

it wouldn't have to be duplicated everywhere.

Also fixed wxSTC so it can handle wheel page scrolling too.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16218 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/event.h

@@ -741,6 +741,9 @@ public:
     // wheel action.  Defaults to one.
     int GetLinesPerAction() const { return m_linesPerAction; }
 
+    // Is the system set to do page scrolling?
+    bool IsPageScroll() const { return m_linesPerAction == UINT_MAX; }
+
     virtual wxEvent *Clone() const { return new wxMouseEvent(*this); }
 
 public:
@@ -1492,7 +1495,7 @@ public:
         m_checked =
         m_enabled =
         m_setEnabled =
-        m_setText = 
+        m_setText =
         m_setChecked = FALSE;
     }
     wxUpdateUIEvent(const wxUpdateUIEvent & event)