Use CmdDown in mouse events instead of ControlDown so Mac users can

multi-select with shift and cmd like they are used to.  Other
platforms are not affected.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@38631 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/grid.h

@@ -1980,6 +1980,14 @@ public:
     bool        MetaDown() { return m_meta; }
     bool        ShiftDown() { return m_shift; }
     bool        AltDown() { return m_alt; }
+    bool        CmdDown() 
+    {
+#if defined(__WXMAC__) || defined(__WXCOCOA__)
+        return MetaDown();
+#else
+        return ControlDown();
+#endif
+    }
 
 protected:
     int         m_row;
@@ -2014,6 +2022,14 @@ public:
     bool        MetaDown() { return m_meta; }
     bool        ShiftDown() { return m_shift; }
     bool        AltDown() { return m_alt; }
+    bool        CmdDown() 
+    {
+#if defined(__WXMAC__) || defined(__WXCOCOA__)
+        return MetaDown();
+#else
+        return ControlDown();
+#endif
+    }
 
 protected:
     int         m_rowOrCol;
@@ -2061,6 +2077,14 @@ public:
     bool        MetaDown()     { return m_meta; }
     bool        ShiftDown()    { return m_shift; }
     bool        AltDown()      { return m_alt; }
+    bool        CmdDown() 
+    {
+#if defined(__WXMAC__) || defined(__WXCOCOA__)
+        return MetaDown();
+#else
+        return ControlDown();
+#endif
+    }
 
 protected:
     wxGridCellCoords  m_topLeft;