Merge branch 'master' 6.4.12 into DRTVWR-510

1 files changed, 31 insertions, 16 deletions

diff --git a/indra/llwindow/llwindowwin32.cpp b/indra/llwindow/llwindowwin32.cpp
index e5a4766f4f..8ec85976c3 100644
--- a/indra/llwindow/llwindowwin32.cpp
+++ b/indra/llwindow/llwindowwin32.cpp
@@ -815,9 +815,6 @@ void LLWindowWin32::close()
 		resetDisplayResolution();
 	}
 
-	// Don't process events in our mainWindowProc any longer.
-	SetWindowLongPtr(mWindowHandle, GWLP_USERDATA, NULL);
-
 	// Make sure cursor is visible and we haven't mangled the clipping state.
 	showCursor();
 	setMouseClipping(FALSE);
@@ -863,16 +860,24 @@ void LLWindowWin32::close()
 
 	LL_DEBUGS("Window") << "Destroying Window" << LL_ENDL;
 
-	// Make sure we don't leave a blank toolbar button.
-	ShowWindow(mWindowHandle, SW_HIDE);
+    if (IsWindow(mWindowHandle))
+    {
+        // Make sure we don't leave a blank toolbar button.
+        ShowWindow(mWindowHandle, SW_HIDE);
 
-	// This causes WM_DESTROY to be sent *immediately*
-	if (!destroy_window_handler(mWindowHandle))
-	{
-		OSMessageBox(mCallbacks->translateString("MBDestroyWinFailed"),
-			mCallbacks->translateString("MBShutdownErr"),
-			OSMB_OK);
-	}
+        // This causes WM_DESTROY to be sent *immediately*
+        if (!destroy_window_handler(mWindowHandle))
+        {
+            OSMessageBox(mCallbacks->translateString("MBDestroyWinFailed"),
+                mCallbacks->translateString("MBShutdownErr"),
+                OSMB_OK);
+        }
+    }
+    else
+    {
+        // Something killed the window while we were busy destroying gl or handle somehow got broken
+        LL_WARNS("Window") << "Failed to destroy Window, invalid handle!" << LL_ENDL;
+    }
 
 	mWindowHandle = NULL;
 }
@@ -1164,7 +1169,10 @@ BOOL LLWindowWin32::switchContext(BOOL fullscreen, const LLCoordScreen &size, BO
         << " Height: " << (window_rect.bottom - window_rect.top)
         << " Fullscreen: " << mFullscreen
         << LL_ENDL;
-	DestroyWindow(mWindowHandle);
+    if (!destroy_window_handler(mWindowHandle))
+    {
+        LL_WARNS("Window") << "Failed to properly close window before recreating it!" << LL_ENDL;
+    }	
 	mWindowHandle = CreateWindowEx(dw_ex_style,
 		mWindowClassName,
 		mWindowTitle,
@@ -1484,8 +1492,12 @@ BOOL LLWindowWin32::switchContext(BOOL fullscreen, const LLCoordScreen &size, BO
 			ReleaseDC (mWindowHandle, mhDC);						// Release The Device Context
 			mhDC = 0;											// Zero The Device Context
 		}
-		DestroyWindow (mWindowHandle);									// Destroy The Window
-		
+
+        // Destroy The Window
+        if (!destroy_window_handler(mWindowHandle))
+        {
+            LL_WARNS("Window") << "Failed to properly close window!" << LL_ENDL;
+        }		
 
 		mWindowHandle = CreateWindowEx(dw_ex_style,
 			mWindowClassName,
@@ -3428,7 +3440,10 @@ void LLSplashScreenWin32::hideImpl()
 {
 	if (mWindow)
 	{
-		DestroyWindow(mWindow);
+        if (!destroy_window_handler(mWindow))
+        {
+            LL_WARNS("Window") << "Failed to properly close splash screen window!" << LL_ENDL;
+        }
 		mWindow = NULL; 
 	}
 }