#define wxTR_FULL_ROW_HIGHLIGHT 0x2000 // highlight full horz space
-#ifdef __WXGTK20__
-#define wxTR_DEFAULT_STYLE (wxTR_HAS_BUTTONS | wxTR_NO_LINES)
+// make the default control appearance look more native-like depending on the
+// platform
+#if defined(__WXGTK20__)
+ #define wxTR_DEFAULT_STYLE (wxTR_HAS_BUTTONS | wxTR_NO_LINES)
+#elif defined(__WXMAC__)
+ #define wxTR_DEFAULT_STYLE \
+ (wxTR_HAS_BUTTONS | wxTR_NO_LINES | wxTR_FULL_ROW_HIGHLIGHT)
#else
-#define wxTR_DEFAULT_STYLE (wxTR_HAS_BUTTONS | wxTR_LINES_AT_ROOT)
+ #define wxTR_DEFAULT_STYLE (wxTR_HAS_BUTTONS | wxTR_LINES_AT_ROOT)
#endif
#if WXWIN_COMPATIBILITY_2_6