X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5767e836997b965b9d936f1d65244bb886c39025..8919bc42e491ba94f685a42b2330ced15136af18:/src/common/gdicmn.cpp

diff --git a/src/common/gdicmn.cpp b/src/common/gdicmn.cpp
index 6cbe1a5d9e..5de95ee422 100644
--- a/src/common/gdicmn.cpp
+++ b/src/common/gdicmn.cpp
@@ -42,7 +42,7 @@
 #include "wx/log.h"
 #include <string.h>
 
-#if defined(__WXMSW__) && !defined(__PALMOS__)
+#if defined(__WXMSW__)
 #include "wx/msw/wrapwin.h"
 #endif
 
@@ -138,8 +138,13 @@ wxRect wxRect::operator+(const wxRect& rect) const
 
 wxRect& wxRect::Union(const wxRect& rect)
 {
-    // ignore empty rectangles
-    if ( rect.width && rect.height )
+    // ignore empty rectangles: union with an empty rectangle shouldn't extend
+    // this one to (0, 0)
+    if ( !width || !height )
+    {
+        *this = rect;
+    }
+    else if ( rect.width && rect.height )
     {
         int x1 = wxMin(x, rect.x);
         int y1 = wxMin(y, rect.y);
@@ -151,6 +156,7 @@ wxRect& wxRect::Union(const wxRect& rect)
         width = x2 - x1;
         height = y2 - y1;
     }
+    //else: we're not empty and rect is empty
 
     return *this;
 }