X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/319fefa9109ef95cab9f6dcbd46e3f3edbcff8c9..e4d18e7f60f1278d132b02e2b589c487f41b3770:/src/common/wincmn.cpp

diff --git a/src/common/wincmn.cpp b/src/common/wincmn.cpp
index 2665e8d0ec..71028dc3ac 100644
--- a/src/common/wincmn.cpp
+++ b/src/common/wincmn.cpp
@@ -1250,9 +1250,11 @@ wxPoint wxWindowBase::ConvertPixelsToDialog(const wxPoint& pt)
 {
     int charWidth = GetCharWidth();
     int charHeight = GetCharHeight();
-    wxPoint pt2;
-    pt2.x = (int) ((pt.x * 4) / charWidth) ;
-    pt2.y = (int) ((pt.y * 8) / charHeight) ;
+    wxPoint pt2(-1, -1);
+    if (pt.x != -1)
+        pt2.x = (int) ((pt.x * 4) / charWidth) ;
+    if (pt.y != -1)
+        pt2.y = (int) ((pt.y * 8) / charHeight) ;
 
     return pt2;
 }
@@ -1261,9 +1263,11 @@ wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt)
 {
     int charWidth = GetCharWidth();
     int charHeight = GetCharHeight();
-    wxPoint pt2;
-    pt2.x = (int) ((pt.x * charWidth) / 4) ;
-    pt2.y = (int) ((pt.y * charHeight) / 8) ;
+    wxPoint pt2(-1, -1);
+    if (pt.x != -1)
+        pt2.x = (int) ((pt.x * charWidth) / 4) ;
+    if (pt.y != -1)
+        pt2.y = (int) ((pt.y * charHeight) / 8) ;
 
     return pt2;
 }