X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Fmswin%2Ffg_state_mswin.c;h=91256a39ba9f106f6586b476b28d8746a9767ea8;hb=6a9540715abb6477b2a55e0a54246bfea66dfb95;hp=d5f441997f084a1209202020a66fbf7ba4159065;hpb=094c263eff25a3f7f9cf806661f89caf01d70026;p=freeglut

diff --git a/src/mswin/fg_state_mswin.c b/src/mswin/fg_state_mswin.c
index d5f4419..91256a3 100644
--- a/src/mswin/fg_state_mswin.c
+++ b/src/mswin/fg_state_mswin.c
@@ -183,6 +183,19 @@ int fgPlatformGlutGet ( GLenum eWhat )
         GetWindowRect( fgStructure.CurrentWindow->Window.Handle, &winRect );
 #else
         winRect = fghGetClientArea(fgStructure.CurrentWindow, FALSE);
+        if (fgStructure.CurrentWindow->Parent && (eWhat==GLUT_WINDOW_X || eWhat==GLUT_WINDOW_Y))
+        {
+            /* For child window, we should return relative to upper-left
+             *  of parent's client area.
+             */
+            POINT topleft;
+            topleft.x = winRect.left;
+            topleft.y = winRect.top;
+
+            ScreenToClient(fgStructure.CurrentWindow->Parent->Window.Handle,&topleft);
+            winRect.left = topleft.x;
+            winRect.top  = topleft.y;
+        }
 #endif /* defined(_WIN32_WCE) */
 
         switch( eWhat )