return NULL (and not invalid) iterator from compatibility_iterator::GetPrevious(...

[wxWidgets.git] / include / wx / gdicmn.h

diff --git a/include/wx/gdicmn.h b/include/wx/gdicmn.h
index 5018eece642fb1a86409545215e9ec4b49d55368..b6faf8900d20448dea9e64ee4375a89102db7605 100644 (file)
--- a/include/wx/gdicmn.h
+++ b/include/wx/gdicmn.h
@@ -21,6 +21,7 @@
 #include "wx/string.h"
 #include "wx/fontenc.h"
 #include "wx/hashmap.h"
+#include "wx/math.h"
 
 // ---------------------------------------------------------------------------
 // forward declarations
@@ -269,10 +270,14 @@ public:
     wxRealPoint operator+(const wxRealPoint& pt) const { return wxRealPoint(x + pt.x, y + pt.y); }
     wxRealPoint operator-(const wxRealPoint& pt) const { return wxRealPoint(x - pt.x, y - pt.y); }
 
-    bool operator==(const wxRealPoint& pt) const { return x == pt.x && y == pt.y; }
-    bool operator!=(const wxRealPoint& pt) const { return x != pt.x || y != pt.y; }
+    bool operator==(const wxRealPoint& pt) const
+    {
+        return wxIsSameDouble(x, pt.x) && wxIsSameDouble(y, pt.y);
+    }
+    bool operator!=(const wxRealPoint& pt) const { return !(*this == pt); }
 };
 
+
 class WXDLLEXPORT wxPoint
 {
 public:
@@ -423,6 +428,20 @@ public:
     }
 
 
+    // centre this rectangle in the given (usually, but not necessarily,
+    // larger) one
+    wxRect CentreIn(const wxRect& r, int dir = wxBOTH) const
+    {
+        return wxRect(dir & wxHORIZONTAL ? r.x + (r.width - width)/2 : x,
+                      dir & wxVERTICAL ? r.y + (r.height - height)/2 : y,
+                      width, height);
+    }
+
+    wxRect CenterIn(const wxRect& r, int dir = wxBOTH) const
+    {
+        return CentreIn(r, dir);
+    }
+
 public:
     int x, y, width, height;
 };
@@ -585,7 +604,7 @@ extern WXDLLEXPORT_DATA(wxCursor*)    wxCROSS_CURSOR;
 
 extern WXDLLEXPORT_DATA(wxColourDatabase*)  wxTheColourDatabase;
 
-extern WXDLLEXPORT_DATA(const wxChar*) wxPanelNameStr;
+extern WXDLLEXPORT_DATA(const wxChar) wxPanelNameStr[];
 
 extern WXDLLEXPORT_DATA(const wxSize) wxDefaultSize;
 extern WXDLLEXPORT_DATA(const wxPoint) wxDefaultPosition;