1 files changed, 12 insertions, 0 deletions

diff --git a/linden/indra/llwindow/llwindowwin32.cpp b/linden/indra/llwindow/llwindowwin32.cpp
index 0b3cdd4..3a41d01 100644
--- a/linden/indra/llwindow/llwindowwin32.cpp
+++ b/linden/indra/llwindow/llwindowwin32.cpp
@@ -1585,6 +1585,11 @@ void LLWindowWin32::moveWindow( const LLCoordScreen& position, const LLCoordScre
                 }
         }
 
+        // if the window was already maximized, MoveWindow seems to still set the maximized flag even if
+        // the window is smaller than maximized.
+        // So we're going to do a restore first (which is a ShowWindow call) (SL-44655).
+        ShowWindow(mWindowHandle, SW_RESTORE);
+        // NOW we can call MoveWindow
         MoveWindow(mWindowHandle, position.mX, position.mY, size.mX, size.mY, TRUE);
 }
 
@@ -2289,6 +2294,13 @@ LRESULT CALLBACK LLWindowWin32::mainWindowProc(HWND h_wnd, UINT u_msg, WPARAM w_
                                                 << llendl;
                                 }
 
+                                // There's an odd behavior with WM_SIZE that I would call a bug. If 
+                                // the window is maximized, and you call MoveWindow() with a size smaller
+                                // than a maximized window, it ends up sending WM_SIZE with w_param set 
+                                // to SIZE_MAXIMIZED -- which isn't true. So the logic below doesn't work.
+                                // (SL-44655). Fixed it by calling ShowWindow(SW_RESTORE) first (see 
+                                // LLWindowWin32::moveWindow in this file). 
+
                                 // If we are now restored, but we weren't before, this
                                 // means that the window was un-minimized.
                                 if (w_param == SIZE_RESTORED && window_imp->mLastSizeWParam != SIZE_RESTORED)