X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2596e9fb2c6f7c999cdf1ffaa62b043e1bb4ce1e..1146983c7be03c3b0d617b983625b11f693cefdb:/src/msw/mdi.cpp

diff --git a/src/msw/mdi.cpp b/src/msw/mdi.cpp
index 3d2ac43e30..d3ed9137f9 100644
--- a/src/msw/mdi.cpp
+++ b/src/msw/mdi.cpp
@@ -384,10 +384,14 @@ void wxMDIParentFrame::Cascade()
     ::SendMessage(GetWinHwnd(GetClientWindow()), WM_MDICASCADE, 0, 0);
 }
 
-// TODO: add a direction argument (hor/vert)
-void wxMDIParentFrame::Tile()
+void wxMDIParentFrame::Tile(wxOrientation orient)
 {
-    ::SendMessage(GetWinHwnd(GetClientWindow()), WM_MDITILE, MDITILE_HORIZONTAL, 0);
+    wxASSERT_MSG( orient == wxHORIZONTAL || orient == wxVERTICAL,
+                  _T("invalid orientation value") );
+
+    ::SendMessage(GetWinHwnd(GetClientWindow()), WM_MDITILE,
+                  orient == wxHORIZONTAL ? MDITILE_HORIZONTAL
+                                         : MDITILE_VERTICAL, 0);
 }
 
 void wxMDIParentFrame::ArrangeIcons()
@@ -486,9 +490,8 @@ WXLRESULT wxMDIParentFrame::MSWWindowProc(WXUINT message,
             break;
 
         case WM_SIZE:
-            // as we don't (usually) resize the MDI client to exactly fit the
-            // client area (we put it below the toolbar, above statusbar &c),
-            // we should not pass this one to DefFrameProc
+            // though we don't (usually) resize the MDI client to exactly fit the
+            // client area we need to pass this one to DefFrameProc to allow the children to show
             break;
     }
 
@@ -817,7 +820,8 @@ void wxMDIChildFrame::DoSetClientSize(int width, int height)
 
   MoveWindow(hWnd, point.x, point.y, actual_width, actual_height, (BOOL)true);
 
-  wxSizeEvent event(wxSize(width, height), m_windowId);
+  wxSize size(width, height);
+  wxSizeEvent event(size, m_windowId);
   event.SetEventObject( this );
   GetEventHandler()->ProcessEvent(event);
 }
@@ -835,8 +839,10 @@ void wxMDIChildFrame::DoGetPosition(int *x, int *y) const
   wxMDIParentFrame *mdiParent = (wxMDIParentFrame *)GetParent();
   ::ScreenToClient((HWND) mdiParent->GetClientWindow()->GetHWND(), &point);
 
-  *x = point.x;
-  *y = point.y;
+  if (x)
+      *x = point.x;
+  if (y)
+      *y = point.y;
 }
 
 void wxMDIChildFrame::InternalSetMenuBar()
@@ -1318,7 +1324,7 @@ void wxMDIChildFrame::OnIdle(wxIdleEvent& event)
     {
         Show(true);
     }
-    
+
     // MDI child frames get their WM_SIZE when they're constructed but at this
     // moment they don't have any children yet so all child windows will be
     // positioned incorrectly when they are added later - to fix this, we