X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/283ed244ade1cf6faa11022f7240323fe15aa58e..5c2ddebecd17d3b10957178ba30f2873c0ec4611:/src/os2/toplevel.cpp

diff --git a/src/os2/toplevel.cpp b/src/os2/toplevel.cpp
index 6dd52d2bd3..c3bea8a366 100644
--- a/src/os2/toplevel.cpp
+++ b/src/os2/toplevel.cpp
@@ -581,7 +581,7 @@ bool wxTopLevelWindowOS2::Create(
 , wxWindowID                        vId
 , const wxString&                   rsTitle
 , const wxPoint&                    rPos
-, const wxSize&                     rSize
+, const wxSize&                     rSizeOrig
 , long                              lStyle
 , const wxString&                   rsName
 )
@@ -593,6 +593,19 @@ bool wxTopLevelWindowOS2::Create(
     m_windowStyle = lStyle;
     SetName(rsName);
     m_windowId = vId == -1 ? NewControlId() : vId;
+
+    // always create a frame of some reasonable, even if arbitrary, size (at
+    // least for MSW compatibility)
+    wxSize rSize = rSizeOrig;
+    if ( rSize.x == -1 || rSize.y == -1 )
+    {
+        wxSize sizeDpy = wxGetDisplaySize();
+        if ( rSize.x == -1 )
+            rSize.x = sizeDpy.x / 3;
+        if ( rSize.y == -1 )
+            rSize.y = sizeDpy.y / 5;
+    }
+
     wxTopLevelWindows.Append(this);
     if (pParent)
         pParent->AddChild(this);