moved wxNotebook::HitTest() to the base book control class; implemented it for wxList/Treebook

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@39339 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/bookctrl.h

@@ -119,14 +119,8 @@ public:
     virtual wxSize CalcSizeFromPage(const wxSize& sizePage) const = 0;
 
     // get/set size of area between book control area and page area
-    inline unsigned int GetInternalBorder() const
-    {
-        return m_internalBorder;
-    }
-    void SetInternalBorder(unsigned int internalBorder)
-    {
-        m_internalBorder = internalBorder;
-    }
+    unsigned int GetInternalBorder() const { return m_internalBorder; }
+    void SetInternalBorder(unsigned int border) { m_internalBorder = border; }
 
     // Sets/gets the margin around the controller
     void SetControlMargin(int margin) { m_controlMargin = margin; }
@@ -198,6 +192,13 @@ public:
         }
     }
 
+    // hit test: returns which page is hit and, optionally, where (icon, label)
+    virtual int HitTest(const wxPoint& WXUNUSED(pt),
+                        long * WXUNUSED(flags) = NULL) const
+    {
+        return wxNOT_FOUND;
+    }
+
 protected:
     // Should we accept NULL page pointers in Add/InsertPage()?
     //