7 files changed, 64 insertions, 9 deletions
diff --git a/indra/llwindow/llopenglview-objc.h b/indra/llwindow/llopenglview-objc.h
index 1e0e47cd02..f1fab3b2c6 100644
--- a/indra/llwindow/llopenglview-objc.h
+++ b/indra/llwindow/llopenglview-objc.h
@@ -42,6 +42,7 @@
 	unsigned int mMarkedTextLength;
     bool mMarkedTextAllowed;
     bool mSimulatedRightClick;
+    bool mOldResize;
 }
 - (id) initWithSamples:(NSUInteger)samples;
 - (id) initWithSamples:(NSUInteger)samples andVsync:(BOOL)vsync;
@@ -49,6 +50,8 @@
 
 - (void)commitCurrentPreedit;
 
+- (void) setOldResize:(bool)oldresize;
+
 // rebuildContext
 // Destroys and recreates a context with the view's internal format set via setPixelFormat;
 // Use this in event of needing to rebuild a context for whatever reason, without needing to assign a new pixel format.
diff --git a/indra/llwindow/llopenglview-objc.mm b/indra/llwindow/llopenglview-objc.mm
index b393a3796d..017ea3769c 100644
--- a/indra/llwindow/llopenglview-objc.mm
+++ b/indra/llwindow/llopenglview-objc.mm
@@ -94,8 +94,11 @@ attributedStringInfo getSegments(NSAttributedString *str)
 // Force a high quality update after live resizing
 - (void) viewDidEndLiveResize
 {
-    NSSize size = [self frame].size;
-    callResize(size.width, size.height);
+    if (mOldResize)  //Maint-3135
+    {
+        NSSize size = [self frame].size;
+        callResize(size.width, size.height);
+    }
 }
 
 - (unsigned long)getVramSize
@@ -124,10 +127,18 @@ attributedStringInfo getSegments(NSAttributedString *str)
 											   object:[self window]];
 }
 
+- (void)setOldResize:(bool)oldresize
+{
+    mOldResize = oldresize;
+}
+
 - (void)windowResized:(NSNotification *)notification;
 {
-	//NSSize size = [self frame].size;
-	//callResize(size.width, size.height);
+    if (!mOldResize)  //Maint-3288
+    {
+        NSSize size = [self frame].size;
+        callResize(size.width, size.height);
+    }
 }
 
 - (void)dealloc
@@ -204,6 +215,8 @@ attributedStringInfo getSegments(NSAttributedString *str)
 		[glContext setValues:(const GLint*)0 forParameter:NSOpenGLCPSwapInterval];
 	}
 	
+    mOldResize = false;
+    
 	return self;
 }
 
diff --git a/indra/llwindow/llwindow.h b/indra/llwindow/llwindow.h
index 78186004b8..50ea614634 100755
--- a/indra/llwindow/llwindow.h
+++ b/indra/llwindow/llwindow.h
@@ -123,7 +123,7 @@ public:
 	virtual void swapBuffers() = 0;
 	virtual void bringToFront() = 0;
 	virtual void focusClient() { };		// this may not have meaning or be required on other platforms, therefore, it's not abstract
-	
+	virtual void setOldResize(bool oldresize) { };
 	// handy coordinate space conversion routines
 	// NB: screen to window and vice verse won't work on width/height coordinate pairs,
 	// as the conversion must take into account left AND right border widths, etc.
diff --git a/indra/llwindow/llwindowmacosx-objc.h b/indra/llwindow/llwindowmacosx-objc.h
index 81b25601a9..d64525fbdd 100755
--- a/indra/llwindow/llwindowmacosx-objc.h
+++ b/indra/llwindow/llwindowmacosx-objc.h
@@ -74,6 +74,7 @@ void showNSCursor();
 void hideNSCursorTillMove(bool hide);
 void requestUserAttention();
 long showAlert(std::string title, std::string text, int type);
+void setResizeMode(bool oldresize, void* glview);
 
 NSWindowRef createNSWindow(int x, int y, int width, int height);
 
diff --git a/indra/llwindow/llwindowmacosx-objc.mm b/indra/llwindow/llwindowmacosx-objc.mm
index 0768d0352e..1a21bf8430 100755
--- a/indra/llwindow/llwindowmacosx-objc.mm
+++ b/indra/llwindow/llwindowmacosx-objc.mm
@@ -91,7 +91,7 @@ const unsigned short *copyFromPBoard()
 		NSArray *objToPaste = [pboard readObjectsForClasses:classArray options:[NSDictionary dictionary]];
 		str = [objToPaste objectAtIndex:0];
 	}
-	unichar* temp = (unichar*)calloc([str length], sizeof(unichar));
+	unichar* temp = (unichar*)calloc([str length]+1, sizeof(unichar));
 	[str getCharacters:temp];
 	[pool release];
 	return temp;
@@ -222,6 +222,11 @@ GLViewRef createOpenGLView(NSWindowRef window, unsigned int samples, bool vsync)
 	return glview;
 }
 
+void setResizeMode(bool oldresize, void* glview)
+{
+    [(LLOpenGLView *)glview setOldResize:oldresize];
+}
+
 void glSwapBuffers(void* context)
 {
 	[(NSOpenGLContext*)context flushBuffer];
diff --git a/indra/llwindow/llwindowmacosx.h b/indra/llwindow/llwindowmacosx.h
index 6a6b39e674..825fd05c5f 100755
--- a/indra/llwindow/llwindowmacosx.h
+++ b/indra/llwindow/llwindowmacosx.h
@@ -152,7 +152,10 @@ protected:
 	BOOL	resetDisplayResolution();
 
 	BOOL	shouldPostQuit() { return mPostQuit; }
-
+    
+    //Satisfy MAINT-3135 and MAINT-3288 with a flag.
+    /*virtual */ void setOldResize(bool oldresize) {setResizeMode(oldresize, mGLView); }
+ 
 
 protected:
 	//
diff --git a/indra/llwindow/llwindowwin32.cpp b/indra/llwindow/llwindowwin32.cpp
index 30f5526500..5106da09b2 100755
--- a/indra/llwindow/llwindowwin32.cpp
+++ b/indra/llwindow/llwindowwin32.cpp
@@ -85,6 +85,18 @@ void show_window_creation_error(const std::string& title)
 	LL_WARNS("Window") << title << LL_ENDL;
 }
 
+HGLRC SafeCreateContext(HDC hdc)
+{
+	__try 
+	{
+		return wglCreateContext(hdc);
+	}
+	__except(EXCEPTION_EXECUTE_HANDLER)
+	{ 
+		return NULL;
+	}
+}
+
 //static
 BOOL LLWindowWin32::sIsClassRegistered = FALSE;
 
@@ -1166,14 +1178,15 @@ BOOL LLWindowWin32::switchContext(BOOL fullscreen, const LLCoordScreen &size, BO
 		return FALSE;
 	}
 
-	if (!(mhRC = wglCreateContext(mhDC)))
+
+	if (!(mhRC = SafeCreateContext(mhDC)))
 	{
 		close();
 		OSMessageBox(mCallbacks->translateString("MBGLContextErr"),
 			mCallbacks->translateString("MBError"), OSMB_OK);
 		return FALSE;
 	}
-
+		
 	if (!wglMakeCurrent(mhDC, mhRC))
 	{
 		close();
@@ -1831,6 +1844,10 @@ LRESULT CALLBACK LLWindowWin32::mainWindowProc(HWND h_wnd, UINT u_msg, WPARAM w_
 	// This helps prevent avatar walking after maximizing the window by double-clicking the title bar.
 	static bool sHandleLeftMouseUp = true;
 
+	// Ignore the double click received right after activating app.
+	// This is to avoid triggering double click teleport after returning focus (see MAINT-3786).
+	static bool sHandleDoubleClick = true;
+
 	LLWindowWin32 *window_imp = (LLWindowWin32 *)GetWindowLong(h_wnd, GWL_USERDATA);
 
 
@@ -1958,6 +1975,11 @@ LRESULT CALLBACK LLWindowWin32::mainWindowProc(HWND h_wnd, UINT u_msg, WPARAM w_
 					}
 				}
 
+				if (!activating)
+				{
+					sHandleDoubleClick = false;
+				}
+
 				window_imp->mCallbacks->handleActivateApp(window_imp, activating);
 
 				break;
@@ -2182,6 +2204,7 @@ LRESULT CALLBACK LLWindowWin32::mainWindowProc(HWND h_wnd, UINT u_msg, WPARAM w_
 				window_imp->mCallbacks->handlePingWatchdog(window_imp, "Main:WM_NCLBUTTONDOWN");
 				// A click in a non-client area, e.g. title bar or window border.
 				sHandleLeftMouseUp = false;
+				sHandleDoubleClick = true;
 			}
 			break;
 
@@ -2226,6 +2249,13 @@ LRESULT CALLBACK LLWindowWin32::mainWindowProc(HWND h_wnd, UINT u_msg, WPARAM w_
 		//case WM_RBUTTONDBLCLK:
 			{
 				window_imp->mCallbacks->handlePingWatchdog(window_imp, "Main:WM_LBUTTONDBLCLK");
+
+				if (!sHandleDoubleClick)
+				{
+					sHandleDoubleClick = true;
+					break;
+				}
+
 				// Because we move the cursor position in the app, we need to query
 				// to find out where the cursor at the time the event is handled.
 				// If we don't do this, many clicks could get buffered up, and if the