19 files changed, 542 insertions, 580 deletions
diff --git a/indra/llwindow/CMakeLists.txt b/indra/llwindow/CMakeLists.txt
index 3d89867bc1..341bddfffd 100644
--- a/indra/llwindow/CMakeLists.txt
+++ b/indra/llwindow/CMakeLists.txt
@@ -38,7 +38,6 @@ set(llwindow_SOURCE_FILES
     llkeyboardheadless.cpp
     llwindowheadless.cpp
     llwindowcallbacks.cpp
-    llwindowlistener.cpp
     )
 
 set(llwindow_HEADER_FILES
@@ -48,7 +47,6 @@ set(llwindow_HEADER_FILES
     llkeyboardheadless.h
     llwindowheadless.h
     llwindowcallbacks.h
-    llwindowlistener.h
     )
 
 set(viewer_SOURCE_FILES
diff --git a/indra/llwindow/GL/glh_extensions.h b/indra/llwindow/GL/glh_extensions.h
index b936b5d307..d89d85930b 100644
--- a/indra/llwindow/GL/glh_extensions.h
+++ b/indra/llwindow/GL/glh_extensions.h
@@ -1,5 +1,7 @@
 /*
  *  glh_extensions.h
+ * $LicenseInfo:firstyear=2006&license=mit$ (mit used here to satisfy validity checker)
+ * Copyright (C) 2006, NVIDIA
  *  From nVidia Corporation, downloaded 2006-12-18 from:
  *  http://developer.nvidia.com/attach/8196
  *  ("NVParse Library with Source (.zip) (2390 KB)")
@@ -8,6 +10,8 @@
  *  "The files bison.exe, bison.simple, and flex.exe are covered by
  *  the GPL.  All other files in this distribution can be used however
  *  you want."
+ * $/LicenseInfo$
+
  */
 
 #ifndef GLH_EXTENSIONS
diff --git a/indra/llwindow/GL/glh_genext.h b/indra/llwindow/GL/glh_genext.h
index 8d42025198..cd5d1604a8 100644
--- a/indra/llwindow/GL/glh_genext.h
+++ b/indra/llwindow/GL/glh_genext.h
@@ -1,5 +1,7 @@
 /*
  *  glh_genext.h
+ * $LicenseInfo:firstyear=2008&license=mit$ (mit used here to satisfy validity checker)
+ * Copyright (C) 2008, NVIDIA
  *  From nVidia Corporation, downloaded 2006-12-18 from:
  *  http://developer.nvidia.com/attach/8196
  *  ("NVParse Library with Source (.zip) (2390 KB)")
@@ -8,6 +10,7 @@
  *  "The files bison.exe, bison.simple, and flex.exe are covered by
  *  the GPL.  All other files in this distribution can be used however
  *  you want."
+ * $/LicenseInfo$
  */
 
 /* File generated by extgen.cpp -- do not modify */
diff --git a/indra/llwindow/lldragdropwin32.cpp b/indra/llwindow/lldragdropwin32.cpp
index d4d444eb28..15acddd987 100644
--- a/indra/llwindow/lldragdropwin32.cpp
+++ b/indra/llwindow/lldragdropwin32.cpp
@@ -124,10 +124,9 @@ class LLDragDropWin32Target:
 						ScreenToClient( mAppWindowHandle, &pt2 );
 
 						LLCoordWindow cursor_coord_window( pt2.x, pt2.y );
-						window_imp->convertCoords(cursor_coord_window, &gl_coord);
 						MASK mask = gKeyboard->currentMask(TRUE);
 
-						LLWindowCallbacks::DragNDropResult result = window_imp->completeDragNDropRequest( gl_coord, mask, 
+						LLWindowCallbacks::DragNDropResult result = window_imp->completeDragNDropRequest( cursor_coord_window.convert(), mask, 
 							LLWindowCallbacks::DNDA_START_TRACKING, mDropUrl );
 
 						switch (result)
@@ -180,10 +179,9 @@ class LLDragDropWin32Target:
 					ScreenToClient( mAppWindowHandle, &pt2 );
 
 					LLCoordWindow cursor_coord_window( pt2.x, pt2.y );
-					window_imp->convertCoords(cursor_coord_window, &gl_coord);
 					MASK mask = gKeyboard->currentMask(TRUE);
 
-					LLWindowCallbacks::DragNDropResult result = window_imp->completeDragNDropRequest( gl_coord, mask, 
+					LLWindowCallbacks::DragNDropResult result = window_imp->completeDragNDropRequest( cursor_coord_window.convert(), mask, 
 						LLWindowCallbacks::DNDA_TRACK, mDropUrl );
 					
 					switch (result)
@@ -237,15 +235,13 @@ class LLDragDropWin32Target:
 				LLWindowWin32 *window_imp = (LLWindowWin32 *)GetWindowLong( mAppWindowHandle, GWL_USERDATA );
 				if ( NULL != window_imp )
 				{
-					LLCoordGL gl_coord( 0, 0 );
-
 					POINT pt_client;
 					pt_client.x = pt.x;
 					pt_client.y = pt.y;
 					ScreenToClient( mAppWindowHandle, &pt_client );
 
 					LLCoordWindow cursor_coord_window( pt_client.x, pt_client.y );
-					window_imp->convertCoords(cursor_coord_window, &gl_coord);
+					LLCoordGL gl_coord(cursor_coord_window.convert());
 					llinfos << "### (Drop) URL is: " << mDropUrl << llendl;
 					llinfos << "###        raw coords are: " << pt.x << " x " << pt.y << llendl;
 					llinfos << "###	    client coords are: " << pt_client.x << " x " << pt_client.y << llendl;
diff --git a/indra/llwindow/llmousehandler.h b/indra/llwindow/llmousehandler.h
index bbbc3d4406..d825a3424c 100644
--- a/indra/llwindow/llmousehandler.h
+++ b/indra/llwindow/llmousehandler.h
@@ -65,7 +65,7 @@ public:
 	virtual BOOL	handleHover(S32 x, S32 y, MASK mask) = 0;
 	virtual BOOL	handleScrollWheel(S32 x, S32 y, S32 clicks) = 0;
 	virtual BOOL	handleToolTip(S32 x, S32 y, MASK mask) = 0;
-	virtual std::string getName() const = 0;
+	virtual const std::string& getName() const = 0;
 
 	virtual void	onMouseCaptureLost() = 0;
 
diff --git a/indra/llwindow/llwindow.cpp b/indra/llwindow/llwindow.cpp
index 71a5df910d..5b7424acbb 100644
--- a/indra/llwindow/llwindow.cpp
+++ b/indra/llwindow/llwindow.cpp
@@ -41,8 +41,6 @@
 #include "llkeyboard.h"
 #include "linked_lists.h"
 #include "llwindowcallbacks.h"
-#include "llwindowlistener.h"
-#include <boost/lambda/core.hpp>
 
 
 //
@@ -110,25 +108,21 @@ LLWindow::LLWindow(LLWindowCallbacks* callbacks, BOOL fullscreen, U32 flags)
 	  mSupportedResolutions(NULL),
 	  mNumSupportedResolutions(0),
 	  mCurrentCursor(UI_CURSOR_ARROW),
+	  mNextCursor(UI_CURSOR_ARROW),
 	  mCursorHidden(FALSE),
 	  mBusyCount(0),
 	  mIsMouseClipping(FALSE),
+	  mMinWindowWidth(0),
+	  mMinWindowHeight(0),
 	  mSwapMethod(SWAP_METHOD_UNDEFINED),
 	  mHideCursorPermanent(FALSE),
 	  mFlags(flags),
 	  mHighSurrogate(0)
 {
-	// gKeyboard is still NULL, so it doesn't do LLWindowListener any good to
-	// pass its value right now. Instead, pass it a nullary function that
-	// will, when we later need it, return the value of gKeyboard.
-	// boost::lambda::var() constructs such a functor on the fly.
-	mListener = new LLWindowListener(callbacks, boost::lambda::var(gKeyboard));
 }
 
 LLWindow::~LLWindow()
 {
-	delete mListener;
-	mListener = NULL;
 }
 
 //virtual
@@ -188,6 +182,51 @@ void *LLWindow::getMediaWindow()
 	return getPlatformWindow();
 }
 
+BOOL LLWindow::setSize(LLCoordScreen size)
+{
+	if (!getMaximized())
+	{
+		size.mX = llmax(size.mX, mMinWindowWidth);
+		size.mY = llmax(size.mY, mMinWindowHeight);
+	}
+	return setSizeImpl(size);
+}
+
+BOOL LLWindow::setSize(LLCoordWindow size)
+{
+	//HACK: we are inconsistently using minimum window dimensions
+	// in this case, we are constraining the inner "client" rect and other times
+	// we constrain the outer "window" rect
+	// There doesn't seem to be a good way to do this consistently without a bunch of platform
+	// specific code
+	if (!getMaximized())
+	{
+		size.mX = llmax(size.mX, mMinWindowWidth);
+		size.mY = llmax(size.mY, mMinWindowHeight);
+	}
+	return setSizeImpl(size);
+}
+
+
+// virtual
+void LLWindow::setMinSize(U32 min_width, U32 min_height, bool enforce_immediately)
+{
+	mMinWindowWidth = min_width;
+	mMinWindowHeight = min_height;
+
+	if (enforce_immediately)
+	{
+		LLCoordScreen cur_size;
+		if (!getMaximized() && getSize(&cur_size))
+		{
+			if (cur_size.mX < mMinWindowWidth || cur_size.mY < mMinWindowHeight)
+			{
+				setSizeImpl(LLCoordScreen(llmin(cur_size.mX, mMinWindowWidth), llmin(cur_size.mY, mMinWindowHeight)));
+			}
+		}
+	}
+}
+
 //virtual
 void LLWindow::processMiscNativeEvents()
 {
@@ -412,3 +451,42 @@ BOOL LLWindowManager::isWindowValid(LLWindow *window)
 {
 	return sWindowList.find(window) != sWindowList.end();
 }
+
+//coordinate conversion utility funcs that forward to llwindow
+LLCoordCommon LL_COORD_TYPE_WINDOW::convertToCommon() const
+{
+	const LLCoordWindow& self = LLCoordWindow::getTypedCoords(*this);
+
+	LLWindow* windowp = &(*LLWindow::beginInstances());
+	LLCoordGL out;
+	windowp->convertCoords(self, &out);
+	return out.convert();
+}
+
+void LL_COORD_TYPE_WINDOW::convertFromCommon(const LLCoordCommon& from)
+{
+	LLCoordWindow& self = LLCoordWindow::getTypedCoords(*this);
+
+	LLWindow* windowp = &(*LLWindow::beginInstances());
+	LLCoordGL from_gl(from);
+	windowp->convertCoords(from_gl, &self);
+}
+
+LLCoordCommon LL_COORD_TYPE_SCREEN::convertToCommon() const
+{
+	const LLCoordScreen& self = LLCoordScreen::getTypedCoords(*this);
+
+	LLWindow* windowp = &(*LLWindow::beginInstances());
+	LLCoordGL out;
+	windowp->convertCoords(self, &out);
+	return out.convert();
+}
+
+void LL_COORD_TYPE_SCREEN::convertFromCommon(const LLCoordCommon& from)
+{
+	LLCoordScreen& self = LLCoordScreen::getTypedCoords(*this);
+
+	LLWindow* windowp = &(*LLWindow::beginInstances());
+	LLCoordGL from_gl(from);
+	windowp->convertCoords(from_gl, &self);
+}
diff --git a/indra/llwindow/llwindow.h b/indra/llwindow/llwindow.h
index 6bdc01ae88..4da87f4e06 100644
--- a/indra/llwindow/llwindow.h
+++ b/indra/llwindow/llwindow.h
@@ -36,11 +36,10 @@
 class LLSplashScreen;
 class LLPreeditor;
 class LLWindowCallbacks;
-class LLWindowListener;
 
 // Refer to llwindow_test in test/common/llwindow for usage example
 
-class LLWindow
+class LLWindow : public LLInstanceTracker<LLWindow>
 {
 public:
 	struct LLWindowResolution
@@ -73,7 +72,9 @@ public:
 	virtual BOOL getSize(LLCoordScreen *size) = 0;
 	virtual BOOL getSize(LLCoordWindow *size) = 0;
 	virtual BOOL setPosition(LLCoordScreen position) = 0;
-	virtual BOOL setSize(LLCoordScreen size) = 0;
+	BOOL setSize(LLCoordScreen size);
+	BOOL setSize(LLCoordWindow size);
+	virtual void setMinSize(U32 min_width, U32 min_height, bool enforce_immediately = true);
 	virtual BOOL switchContext(BOOL fullscreen, const LLCoordScreen &size, BOOL disable_vsync, const LLCoordScreen * const posp = NULL) = 0;
 	virtual BOOL setCursorPosition(LLCoordWindow position) = 0;
 	virtual BOOL getCursorPosition(LLCoordWindow *position) = 0;
@@ -92,8 +93,9 @@ public:
 	virtual S32 getBusyCount() const;
 
 	// Sets cursor, may set to arrow+hourglass
-	virtual void setCursor(ECursorType cursor) = 0;
+	virtual void setCursor(ECursorType cursor) { mNextCursor = cursor; };
 	virtual ECursorType getCursor() const;
+	virtual void updateCursor() = 0;
 
 	virtual void captureMouse() = 0;
 	virtual void releaseMouse() = 0;
@@ -170,6 +172,9 @@ protected:
 	// Defaults to true
 	virtual BOOL canDelete();
 
+	virtual BOOL setSizeImpl(LLCoordScreen size) = 0;
+	virtual BOOL setSizeImpl(LLCoordWindow size) = 0;
+
 protected:
 	LLWindowCallbacks*	mCallbacks;
 
@@ -182,6 +187,7 @@ protected:
 	LLWindowResolution* mSupportedResolutions;
 	S32			mNumSupportedResolutions;
 	ECursorType	mCurrentCursor;
+	ECursorType	mNextCursor;
 	BOOL		mCursorHidden;
 	S32			mBusyCount;	// how deep is the "cursor busy" stack?
 	BOOL		mIsMouseClipping;  // Is this window currently clipping the mouse
@@ -189,7 +195,8 @@ protected:
 	BOOL		mHideCursorPermanent;
 	U32			mFlags;
 	U16			mHighSurrogate;
-	LLWindowListener* mListener;
+	S32			mMinWindowWidth;
+	S32			mMinWindowHeight;
 
  	// Handle a UTF-16 encoding unit received from keyboard.
  	// Converting the series of UTF-16 encoding units to UTF-32 data,
diff --git a/indra/llwindow/llwindowcallbacks.cpp b/indra/llwindow/llwindowcallbacks.cpp
index c2705bbf74..9712ae1d91 100644
--- a/indra/llwindow/llwindowcallbacks.cpp
+++ b/indra/llwindow/llwindowcallbacks.cpp
@@ -28,8 +28,6 @@
 
 #include "llwindowcallbacks.h"
 
-#include "llcoord.h"
-
 //
 // LLWindowCallbacks
 //
diff --git a/indra/llwindow/llwindowcallbacks.h b/indra/llwindow/llwindowcallbacks.h
index 8572b442f1..7da5959700 100644
--- a/indra/llwindow/llwindowcallbacks.h
+++ b/indra/llwindow/llwindowcallbacks.h
@@ -26,7 +26,7 @@
 #ifndef LLWINDOWCALLBACKS_H
 #define LLWINDOWCALLBACKS_H
 
-class LLCoordGL;
+#include "llcoord.h"
 class LLWindow;
 
 class LLWindowCallbacks
diff --git a/indra/llwindow/llwindowheadless.h b/indra/llwindow/llwindowheadless.h
index ac53e6a86e..1f767f4c97 100644
--- a/indra/llwindow/llwindowheadless.h
+++ b/indra/llwindow/llwindowheadless.h
@@ -46,7 +46,8 @@ public:
 	/*virtual*/ BOOL getSize(LLCoordScreen *size) {return FALSE;};
 	/*virtual*/ BOOL getSize(LLCoordWindow *size) {return FALSE;};
 	/*virtual*/ BOOL setPosition(LLCoordScreen position) {return FALSE;};
-	/*virtual*/ BOOL setSize(LLCoordScreen size) {return FALSE;};
+	/*virtual*/ BOOL setSizeImpl(LLCoordScreen size) {return FALSE;};
+	/*virtual*/ BOOL setSizeImpl(LLCoordWindow size) {return FALSE;};
 	/*virtual*/ BOOL switchContext(BOOL fullscreen, const LLCoordScreen &size, BOOL disable_vsync, const LLCoordScreen * const posp = NULL) {return FALSE;};
 	/*virtual*/ BOOL setCursorPosition(LLCoordWindow position) {return FALSE;};
 	/*virtual*/ BOOL getCursorPosition(LLCoordWindow *position) {return FALSE;};
@@ -55,7 +56,7 @@ public:
 	/*virtual*/ void showCursorFromMouseMove() {};
 	/*virtual*/ void hideCursorUntilMouseMove() {};
 	/*virtual*/ BOOL isCursorHidden() {return FALSE;};
-	/*virtual*/ void setCursor(ECursorType cursor) {};
+	/*virtual*/ void updateCursor() {};
 	//virtual ECursorType getCursor() { return mCurrentCursor; };
 	/*virtual*/ void captureMouse() {};
 	/*virtual*/ void releaseMouse() {};
diff --git a/indra/llwindow/llwindowlistener.cpp b/indra/llwindow/llwindowlistener.cpp
deleted file mode 100644
index 91b99d83c6..0000000000
--- a/indra/llwindow/llwindowlistener.cpp
+++ /dev/null
@@ -1,307 +0,0 @@
-/** 
- * @file llwindowlistener.cpp
- * @brief EventAPI interface for injecting input into LLWindow
- *
- * $LicenseInfo:firstyear=2001&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#include "linden_common.h"
-
-#include "llwindowlistener.h"
-
-#include "llcoord.h"
-#include "llkeyboard.h"
-#include "llwindowcallbacks.h"
-#include <map>
-
-LLWindowListener::LLWindowListener(LLWindowCallbacks *window, const KeyboardGetter& kbgetter)
-	: LLEventAPI("LLWindow", "Inject input events into the LLWindow instance"),
-	  mWindow(window),
-	  mKbGetter(kbgetter)
-{
-	std::string keySomething =
-		"Given [\"keysym\"], [\"keycode\"] or [\"char\"], inject the specified ";
-	std::string keyExplain =
-		"(integer keycode values, or keysym \"XXXX\" from any KEY_XXXX, in\n"
-		"http://hg.secondlife.com/viewer-development/src/tip/indra/llcommon/indra_constants.h )";
-	std::string mask =
-		"Specify optional [\"mask\"] as an array containing any of \"CONTROL\", \"ALT\",\n"
-		"\"SHIFT\" or \"MAC_CONTROL\"; the corresponding modifier bits will be combined\n"
-		"to form the mask used with the event.";
-
-	std::string mouseSomething =
-		"Given [\"button\"], [\"x\"] and [\"y\"], inject the given mouse ";
-	std::string mouseExplain =
-		"(button values \"LEFT\", \"MIDDLE\", \"RIGHT\")";
-
-	add("keyDown",
-		keySomething + "keypress event.\n" + keyExplain + '\n' + mask,
-		&LLWindowListener::keyDown);
-	add("keyUp",
-		keySomething + "key release event.\n" + keyExplain + '\n' + mask,
-		&LLWindowListener::keyUp);
-	add("mouseDown",
-		mouseSomething + "click event.\n" + mouseExplain + '\n' + mask,
-		&LLWindowListener::mouseDown);
-	add("mouseUp",
-		mouseSomething + "release event.\n" + mouseExplain + '\n' + mask,
-		&LLWindowListener::mouseUp);
-	add("mouseMove",
-		std::string("Given [\"x\"] and [\"y\"], inject the given mouse movement event.\n") +
-		mask,
-		&LLWindowListener::mouseMove);
-	add("mouseScroll",
-		"Given an integer number of [\"clicks\"], inject the given mouse scroll event.\n"
-		"(positive clicks moves downward through typical content)",
-		&LLWindowListener::mouseScroll);
-}
-
-template <typename MAPPED>
-class StringLookup
-{
-private:
-	std::string mDesc;
-	typedef std::map<std::string, MAPPED> Map;
-	Map mMap;
-
-public:
-	StringLookup(const std::string& desc): mDesc(desc) {}
-
-	MAPPED lookup(const typename Map::key_type& key) const
-	{
-		typename Map::const_iterator found = mMap.find(key);
-		if (found == mMap.end())
-		{
-			LL_WARNS("LLWindowListener") << "Unknown " << mDesc << " '" << key << "'" << LL_ENDL;
-			return MAPPED();
-		}
-		return found->second;
-	}
-
-protected:
-	void add(const typename Map::key_type& key, const typename Map::mapped_type& value)
-	{
-		mMap.insert(typename Map::value_type(key, value));
-	}
-};
-
-// for WhichKeysym. KeyProxy is like the typedef KEY, except that KeyProxy()
-// (default-constructed) is guaranteed to have the value KEY_NONE.
-class KeyProxy
-{
-public:
-	KeyProxy(KEY k): mKey(k) {}
-	KeyProxy(): mKey(KEY_NONE) {}
-	operator KEY() const { return mKey; }
-
-private:
-	KEY mKey;
-};
-
-struct WhichKeysym: public StringLookup<KeyProxy>
-{
-	WhichKeysym(): StringLookup<KeyProxy>("keysym")
-	{
-		add("RETURN",		KEY_RETURN);
-		add("LEFT",			KEY_LEFT);
-		add("RIGHT",		KEY_RIGHT);
-		add("UP",			KEY_UP);
-		add("DOWN",			KEY_DOWN);
-		add("ESCAPE",		KEY_ESCAPE);
-		add("BACKSPACE",	KEY_BACKSPACE);
-		add("DELETE",		KEY_DELETE);
-		add("SHIFT",		KEY_SHIFT);
-		add("CONTROL",		KEY_CONTROL);
-		add("ALT",			KEY_ALT);
-		add("HOME",			KEY_HOME);
-		add("END",			KEY_END);
-		add("PAGE_UP",		KEY_PAGE_UP);
-		add("PAGE_DOWN",	KEY_PAGE_DOWN);
-		add("HYPHEN",		KEY_HYPHEN);
-		add("EQUALS",		KEY_EQUALS);
-		add("INSERT",		KEY_INSERT);
-		add("CAPSLOCK",		KEY_CAPSLOCK);
-		add("TAB",			KEY_TAB);
-		add("ADD",			KEY_ADD);
-		add("SUBTRACT",		KEY_SUBTRACT);
-		add("MULTIPLY",		KEY_MULTIPLY);
-		add("DIVIDE",		KEY_DIVIDE);
-		add("F1",			KEY_F1);
-		add("F2",			KEY_F2);
-		add("F3",			KEY_F3);
-		add("F4",			KEY_F4);
-		add("F5",			KEY_F5);
-		add("F6",			KEY_F6);
-		add("F7",			KEY_F7);
-		add("F8",			KEY_F8);
-		add("F9",			KEY_F9);
-		add("F10",			KEY_F10);
-		add("F11",			KEY_F11);
-		add("F12",			KEY_F12);
-
-		add("PAD_UP",		KEY_PAD_UP);
-		add("PAD_DOWN",		KEY_PAD_DOWN);
-		add("PAD_LEFT",		KEY_PAD_LEFT);
-		add("PAD_RIGHT",	KEY_PAD_RIGHT);
-		add("PAD_HOME",		KEY_PAD_HOME);
-		add("PAD_END",		KEY_PAD_END);
-		add("PAD_PGUP",		KEY_PAD_PGUP);
-		add("PAD_PGDN",		KEY_PAD_PGDN);
-		add("PAD_CENTER",	KEY_PAD_CENTER); // the 5 in the middle
-		add("PAD_INS",		KEY_PAD_INS);
-		add("PAD_DEL",		KEY_PAD_DEL);
-		add("PAD_RETURN",	KEY_PAD_RETURN);
-		add("PAD_ADD",		KEY_PAD_ADD); // not used
-		add("PAD_SUBTRACT", KEY_PAD_SUBTRACT); // not used
-		add("PAD_MULTIPLY", KEY_PAD_MULTIPLY); // not used
-		add("PAD_DIVIDE",	KEY_PAD_DIVIDE); // not used
-
-		add("BUTTON0",		KEY_BUTTON0);
-		add("BUTTON1",		KEY_BUTTON1);
-		add("BUTTON2",		KEY_BUTTON2);
-		add("BUTTON3",		KEY_BUTTON3);
-		add("BUTTON4",		KEY_BUTTON4);
-		add("BUTTON5",		KEY_BUTTON5);
-		add("BUTTON6",		KEY_BUTTON6);
-		add("BUTTON7",		KEY_BUTTON7);
-		add("BUTTON8",		KEY_BUTTON8);
-		add("BUTTON9",		KEY_BUTTON9);
-		add("BUTTON10",		KEY_BUTTON10);
-		add("BUTTON11",		KEY_BUTTON11);
-		add("BUTTON12",		KEY_BUTTON12);
-		add("BUTTON13",		KEY_BUTTON13);
-		add("BUTTON14",		KEY_BUTTON14);
-		add("BUTTON15",		KEY_BUTTON15);
-	}
-};
-static WhichKeysym keysyms;
-
-struct WhichMask: public StringLookup<MASK>
-{
-	WhichMask(): StringLookup<MASK>("shift mask")
-	{
-		add("NONE",			MASK_NONE);
-		add("CONTROL",		MASK_CONTROL); // Mapped to cmd on Macs
-		add("ALT",			MASK_ALT);
-		add("SHIFT",		MASK_SHIFT);
-		add("MAC_CONTROL",	MASK_MAC_CONTROL); // Un-mapped Ctrl key on Macs, not used on Windows
-	}
-};
-static WhichMask masks;
-
-static MASK getMask(const LLSD& event)
-{
-	MASK mask(MASK_NONE);
-	LLSD masknames(event["mask"]);
-	for (LLSD::array_const_iterator ai(masknames.beginArray()), aend(masknames.endArray());
-		 ai != aend; ++ai)
-	{
-		mask |= masks.lookup(*ai);
-	}
-	return mask;
-}
-
-static KEY getKEY(const LLSD& event)
-{
-    if (event.has("keysym"))
-	{
-		return keysyms.lookup(event["keysym"]);
-	}
-	else if (event.has("keycode"))
-	{
-		return KEY(event["keycode"].asInteger());
-	}
-	else
-	{
-		return KEY(event["char"].asString()[0]);
-	}
-}
-
-void LLWindowListener::keyDown(LLSD const & evt)
-{
-	mKbGetter()->handleTranslatedKeyDown(getKEY(evt), getMask(evt));
-}
-
-void LLWindowListener::keyUp(LLSD const & evt)
-{
-	mKbGetter()->handleTranslatedKeyUp(getKEY(evt), getMask(evt));
-}
-
-// for WhichButton
-typedef BOOL (LLWindowCallbacks::*MouseFunc)(LLWindow *, LLCoordGL, MASK);
-struct Actions
-{
-	Actions(const MouseFunc& d, const MouseFunc& u): down(d), up(u), valid(true) {}
-	Actions(): valid(false) {}
-	MouseFunc down, up;
-	bool valid;
-};
-
-struct WhichButton: public StringLookup<Actions>
-{
-	WhichButton(): StringLookup<Actions>("mouse button")
-	{
-		add("LEFT",		Actions(&LLWindowCallbacks::handleMouseDown,
-								&LLWindowCallbacks::handleMouseUp));
-		add("RIGHT",	Actions(&LLWindowCallbacks::handleRightMouseDown,
-								&LLWindowCallbacks::handleRightMouseUp));
-		add("MIDDLE",	Actions(&LLWindowCallbacks::handleMiddleMouseDown,
-								&LLWindowCallbacks::handleMiddleMouseUp));
-	}
-};
-static WhichButton buttons;
-
-static LLCoordGL getPos(const LLSD& event)
-{
-	return LLCoordGL(event["x"].asInteger(), event["y"].asInteger());
-}
-
-void LLWindowListener::mouseDown(LLSD const & evt)
-{
-	Actions actions(buttons.lookup(evt["button"]));
-	if (actions.valid)
-	{
-		(mWindow->*(actions.down))(NULL, getPos(evt), getMask(evt));
-	}
-}
-
-void LLWindowListener::mouseUp(LLSD const & evt)
-{
-	Actions actions(buttons.lookup(evt["button"]));
-	if (actions.valid)
-	{
-		(mWindow->*(actions.up))(NULL, getPos(evt), getMask(evt));
-	}
-}
-
-void LLWindowListener::mouseMove(LLSD const & evt)
-{
-	mWindow->handleMouseMove(NULL, getPos(evt), getMask(evt));
-}
-
-void LLWindowListener::mouseScroll(LLSD const & evt)
-{
-	S32 clicks = evt["clicks"].asInteger();
-
-	mWindow->handleScrollWheel(NULL, clicks);
-}
-
diff --git a/indra/llwindow/llwindowlistener.h b/indra/llwindow/llwindowlistener.h
deleted file mode 100644
index 74e577ff93..0000000000
--- a/indra/llwindow/llwindowlistener.h
+++ /dev/null
@@ -1,55 +0,0 @@
-/** 
- * @file llwindowlistener.h
- * @brief EventAPI interface for injecting input into LLWindow
- *
- * $LicenseInfo:firstyear=2001&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#ifndef LL_LLWINDOWLISTENER_H
-#define LL_LLWINDOWLISTENER_H
-
-#include "lleventapi.h"
-#include <boost/function.hpp>
-
-class LLKeyboard;
-class LLWindowCallbacks;
-
-class LLWindowListener : public LLEventAPI
-{
-public:
-	typedef boost::function<LLKeyboard*()> KeyboardGetter;
-	LLWindowListener(LLWindowCallbacks * window, const KeyboardGetter& kbgetter);
-
-	void keyDown(LLSD const & evt);
-	void keyUp(LLSD const & evt);
-	void mouseDown(LLSD const & evt);
-	void mouseUp(LLSD const & evt);
-	void mouseMove(LLSD const & evt);
-	void mouseScroll(LLSD const & evt);
-
-private:
-	LLWindowCallbacks * mWindow;
-	KeyboardGetter mKbGetter;
-};
-
-
-#endif // LL_LLWINDOWLISTENER_H
diff --git a/indra/llwindow/llwindowmacosx.cpp b/indra/llwindow/llwindowmacosx.cpp
index cb2abc5bc0..32bb84cba5 100644
--- a/indra/llwindow/llwindowmacosx.cpp
+++ b/indra/llwindow/llwindowmacosx.cpp
@@ -1,25 +1,25 @@
-/** 
+/**
  * @file llwindowmacosx.cpp
  * @brief Platform-dependent implementation of llwindow
  *
  * $LicenseInfo:firstyear=2001&license=viewerlgpl$
  * Second Life Viewer Source Code
  * Copyright (C) 2010, Linden Research, Inc.
- * 
+ *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation;
  * version 2.1 of the License only.
- * 
+ *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
+ *
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
@@ -220,10 +220,10 @@ LLWindowMacOSX::LLWindowMacOSX(LLWindowCallbacks* callbacks,
 	// Route them to a dummy callback structure until the end of constructor.
 	LLWindowCallbacks null_callbacks;
 	mCallbacks = &null_callbacks;
-	
+
 	// Voodoo for calling cocoa from carbon (see llwindowmacosx-objc.mm).
 	setupCocoa();
-	
+
 	// Initialize the keyboard
 	gKeyboard = new LLKeyboardMacOSX();
 	gKeyboard->setCallbacks(callbacks);
@@ -254,10 +254,10 @@ LLWindowMacOSX::LLWindowMacOSX(LLWindowCallbacks* callbacks,
 	mRawKeyEvent = NULL;
 	mFSAASamples = fsaa_samples;
 	mForceRebuild = FALSE;
-	
+
 	// For reasons that aren't clear to me, LLTimers seem to be created in the "started" state.
 	// Since the started state of this one is used to track whether the NMRec has been installed, it wants to start out in the "stopped" state.
-	mBounceTimer.stop();	
+	mBounceTimer.stop();
 
 	// Get the original aspect ratio of the main device.
 	mOriginalAspectRatio = (double)CGDisplayPixelsWide(mDisplay) / (double)CGDisplayPixelsHigh(mDisplay);
@@ -270,7 +270,7 @@ LLWindowMacOSX::LLWindowMacOSX(LLWindowCallbacks* callbacks,
 	mMoveEventCampartorUPP = NewEventComparatorUPP(staticMoveEventComparator);
 	mGlobalHandlerRef = NULL;
 	mWindowHandlerRef = NULL;
-	
+
 	mDragOverrideCursor = -1;
 
 	// We're not clipping yet
@@ -445,7 +445,7 @@ BOOL LLWindowMacOSX::createContext(int x, int y, int width, int height, int bits
 			mFullscreenBits    = -1;
 			mFullscreenRefresh = -1;
 
-			std::string error= llformat("Unable to run fullscreen at %d x %d.\nRunning in window.", width, height);	
+			std::string error= llformat("Unable to run fullscreen at %d x %d.\nRunning in window.", width, height);
 			OSMessageBox(error, "Error", OSMB_OK);
 		}
 	}
@@ -477,7 +477,7 @@ BOOL LLWindowMacOSX::createContext(int x, int y, int width, int height, int bits
 			kFirstWindowOfClass,
 			true,
 			(long)this);
-		
+
 		if (!mWindow)
 		{
 			setupFailure("Window creation error", "Error", OSMB_OK);
@@ -493,7 +493,7 @@ BOOL LLWindowMacOSX::createContext(int x, int y, int width, int height, int bits
 		InstallStandardEventHandler(GetWindowEventTarget(mWindow));
 		InstallWindowEventHandler(mWindow, mEventHandlerUPP, GetEventTypeCount (WindowHandlerEventList), WindowHandlerEventList, (void*)this, &mWindowHandlerRef); // add event handler
 #if LL_OS_DRAGDROP_ENABLED
-		InstallTrackingHandler( dragTrackingHandler, mWindow, (void*)this );		
+		InstallTrackingHandler( dragTrackingHandler, mWindow, (void*)this );
 		InstallReceiveHandler( dragReceiveHandler, mWindow, (void*)this );
 #endif // LL_OS_DRAGDROP_ENABLED
 	}
@@ -790,7 +790,7 @@ BOOL LLWindowMacOSX::createContext(int x, int y, int width, int height, int bits
 		LL_DEBUGS("GLinit") << "Keeping vertical sync" << LL_ENDL;
 		frames_per_swap = 1;
 	}
-	aglSetInteger(mContext, AGL_SWAP_INTERVAL, &frames_per_swap);  
+	aglSetInteger(mContext, AGL_SWAP_INTERVAL, &frames_per_swap);
 
 	//enable multi-threaded OpenGL
 	if (sUseMultGL)
@@ -803,7 +803,7 @@ BOOL LLWindowMacOSX::createContext(int x, int y, int width, int height, int bits
 		if (cgl_err != kCGLNoError )
 		{
 			LL_DEBUGS("GLInit") << "Multi-threaded OpenGL not available." << LL_ENDL;
-		}    
+		}
 		else
 		{
 			LL_DEBUGS("GLInit") << "Multi-threaded OpenGL enabled." << LL_ENDL;
@@ -1109,7 +1109,7 @@ BOOL LLWindowMacOSX::maximize()
 	{
 		ZoomWindow(mWindow, inContent, true);
 	}
-	
+
 	return mMaximized;
 }
 
@@ -1164,6 +1164,8 @@ void LLWindowMacOSX::gatherInput()
 
 		}
 	}
+	
+	updateCursor();
 }
 
 BOOL LLWindowMacOSX::getPosition(LLCoordScreen *position)
@@ -1254,7 +1256,7 @@ BOOL LLWindowMacOSX::setPosition(const LLCoordScreen position)
 	return TRUE;
 }
 
-BOOL LLWindowMacOSX::setSize(const LLCoordScreen size)
+BOOL LLWindowMacOSX::setSizeImpl(const LLCoordScreen size)
 {
 	if(mWindow)
 	{
@@ -1264,6 +1266,31 @@ BOOL LLWindowMacOSX::setSize(const LLCoordScreen size)
 	return TRUE;
 }
 
+BOOL LLWindowMacOSX::setSizeImpl(const LLCoordWindow size)
+{
+	Rect client_rect;
+	if (mWindow)
+	{
+		OSStatus err = GetWindowBounds(mWindow, kWindowContentRgn, &client_rect);
+		if (err == noErr)
+		{
+			client_rect.right = client_rect.left + size.mX;
+			client_rect.bottom = client_rect.top + size.mY;
+			err = SetWindowBounds(mWindow, kWindowContentRgn, &client_rect);
+		}
+		if (err == noErr)
+		{
+			return TRUE;
+		}
+		else
+		{
+			llinfos << "Error setting size" << err << llendl;
+			return FALSE;
+		}
+	}
+	return FALSE;
+}
+
 void LLWindowMacOSX::swapBuffers()
 {
 	aglSwapBuffers(mContext);
@@ -1432,7 +1459,7 @@ static void fixOrigin(void)
 	GrafPtr port;
 	Rect portrect;
 
-	::GetPort(&port);	
+	::GetPort(&port);
 	::GetPortBounds(port, &portrect);
 	if((portrect.left != 0) || (portrect.top != 0))
 	{
@@ -1446,17 +1473,17 @@ BOOL LLWindowMacOSX::getCursorPosition(LLCoordWindow *position)
 	Point cursor_point;
 	LLCoordScreen screen_pos;
 	GrafPtr save;
-	
+
 	if(mWindow == NULL)
 		return FALSE;
-		
+
 	::GetPort(&save);
 	::SetPort(GetWindowPort(mWindow));
 	fixOrigin();
 
 	// gets the mouse location in local coordinates
 	::GetMouse(&cursor_point);
-	
+
 //	lldebugs << "getCursorPosition(): cursor is at " << cursor_point.h << ", " << cursor_point.v << "  port origin: " << portrect.left << ", " << portrect.top << llendl;
 
 	::SetPort(save);
@@ -1521,7 +1548,7 @@ F32 LLWindowMacOSX::getNativeAspectRatio()
 	{
 		// The constructor for this class grabs the aspect ratio of the monitor before doing any resolution
 		// switching, and stashes it in mOriginalAspectRatio.  Here, we just return it.
-	
+
 		if (mOverrideAspectRatio > 0.f)
 		{
 			return mOverrideAspectRatio;
@@ -1996,7 +2023,7 @@ OSStatus LLWindowMacOSX::eventHandler (EventHandlerCallRef myHandler, EventRef e
 					if (mPreeditor
 						&& (result = GetEventParameter(event, kEventParamTextInputSendFixLen,
 										typeLongInteger, &param_type, sizeof(fix_len), NULL, &fix_len)) == noErr
-						&& typeLongInteger == param_type 
+						&& typeLongInteger == param_type
 						&& (result = GetEventParameter(event, kEventParamTextInputSendText,
 										typeUnicodeText, &param_type, 0, &text_len, NULL)) == noErr
 						&& typeUnicodeText == param_type)
@@ -2016,7 +2043,7 @@ OSStatus LLWindowMacOSX::eventHandler (EventHandlerCallRef myHandler, EventRef e
 							mPreeditor->markAsPreedit(location, length);
 						}
 						mPreeditor->resetPreedit();
-						
+
 						// Receive the text from input method.
 						U16 *const text = new U16[text_len / sizeof(U16)];
 						GetEventParameter(event, kEventParamTextInputSendText, typeUnicodeText, NULL, text_len, NULL, text);
@@ -2055,11 +2082,11 @@ OSStatus LLWindowMacOSX::eventHandler (EventHandlerCallRef myHandler, EventRef e
 							GetEventParameter(event, kEventParamTextInputSendHiliteRng, typeTextRangeArray,
 									NULL, text_range_array_size, NULL, text_range_array);
 
-							// WARNING: We assume ranges are in ascending order, 
+							// WARNING: We assume ranges are in ascending order,
 							// although the condition is undocumented.  It seems
 							// OK to assume this.  I also assumed
 							// the ranges are contiguous in previous versions, but I
-							// have heard a rumore that older versions os ATOK may 
+							// have heard a rumore that older versions os ATOK may
 							// return ranges with some _gap_.  I don't know whether
 							// it is true, but I'm preparing my code for the case.
 
@@ -2123,7 +2150,7 @@ OSStatus LLWindowMacOSX::eventHandler (EventHandlerCallRef myHandler, EventRef e
 					}
 				}
 				break;
-				
+
 			case kEventTextInputUnicodeForKeyEvent:
 				{
 					UInt32 modifiers = 0;
@@ -2132,7 +2159,7 @@ OSStatus LLWindowMacOSX::eventHandler (EventHandlerCallRef myHandler, EventRef e
 					// First, process the raw event.
 					{
 						EventRef rawEvent = NULL;
-						
+
 						// Get the original event and extract the modifier keys, so we can ignore command-key events.
 						if (GetEventParameter(event, kEventParamTextInputSendKeyboardEvent, typeEventRef, NULL, sizeof(rawEvent), NULL, &rawEvent) == noErr)
 						{
@@ -2141,7 +2168,7 @@ OSStatus LLWindowMacOSX::eventHandler (EventHandlerCallRef myHandler, EventRef e
 
 							// and call this function recursively to handle the raw key event.
 							eventHandler (myHandler, rawEvent);
-							
+
 							// save the raw event until we're done processing the unicode input as well.
 							mRawKeyEvent = rawEvent;
 						}
@@ -2172,7 +2199,7 @@ OSStatus LLWindowMacOSX::eventHandler (EventHandlerCallRef myHandler, EventRef e
 						else
 						{
 							MASK mask = LLWindowMacOSX::modifiersToMask(modifiers);
-							
+
 							llassert( actualType == typeUnicodeText );
 
 							// The result is a UTF16 buffer.  Pass the characters in turn to handleUnicodeChar.
@@ -2198,7 +2225,7 @@ OSStatus LLWindowMacOSX::eventHandler (EventHandlerCallRef myHandler, EventRef e
 					result = err;
 				}
 				break;
-				
+
 			case kEventTextInputOffsetToPos:
 				{
 					EventParamType param_type;
@@ -2211,7 +2238,7 @@ OSStatus LLWindowMacOSX::eventHandler (EventHandlerCallRef myHandler, EventRef e
 						S32 preedit, preedit_length;
 						mPreeditor->getPreeditRange(&preedit, &preedit_length);
 						const LLWString & text = mPreeditor->getPreeditString();
-						 
+
 						LLCoordGL caret_coord;
 						LLRect preedit_bounds;
 						if (0 <= offset
@@ -2225,10 +2252,10 @@ OSStatus LLWindowMacOSX::eventHandler (EventHandlerCallRef myHandler, EventRef e
 							qd_point.h = caret_base_coord_screen.mX;
 							qd_point.v = caret_base_coord_screen.mY;
 							SetEventParameter(event, kEventParamTextInputReplyPoint, typeQDPoint, sizeof(qd_point), &qd_point);
-							
+
 							short line_height = (short) preedit_bounds.getHeight();
 							SetEventParameter(event, kEventParamTextInputReplyLineHeight, typeShortInteger, sizeof(line_height), &line_height);
-							
+
 							result = noErr;
 						}
 						else
@@ -2281,7 +2308,7 @@ OSStatus LLWindowMacOSX::eventHandler (EventHandlerCallRef myHandler, EventRef e
 			case kEventRawKeyRepeat:
 				if (gDebugWindowProc)
 				{
-					printf("key down, key code = 0x%08x, char code = 0x%02x (%c), modifiers = 0x%08x\n", 
+					printf("key down, key code = 0x%08x, char code = 0x%02x (%c), modifiers = 0x%08x\n",
 							(unsigned int)keyCode, charCode, (char)charCode, (unsigned int)modifiers);
 					fflush(stdout);
 				}
@@ -2292,7 +2319,7 @@ OSStatus LLWindowMacOSX::eventHandler (EventHandlerCallRef myHandler, EventRef e
 			case kEventRawKeyUp:
 				if (gDebugWindowProc)
 				{
-					printf("key up,   key code = 0x%08x, char code = 0x%02x (%c), modifiers = 0x%08x\n", 
+					printf("key up,   key code = 0x%08x, char code = 0x%02x (%c), modifiers = 0x%08x\n",
 							(unsigned int)keyCode, charCode, (char)charCode, (unsigned int)modifiers);
 					fflush(stdout);
 				}
@@ -2350,7 +2377,7 @@ OSStatus LLWindowMacOSX::eventHandler (EventHandlerCallRef myHandler, EventRef e
 				}
 
 				// When the state of the 'Fn' key (the one that changes some of the mappings on a powerbook/macbook keyboard
-				// to an embedded keypad) changes, it may subsequently cause a key up event to be lost, which may lead to 
+				// to an embedded keypad) changes, it may subsequently cause a key up event to be lost, which may lead to
 				// a movement key getting "stuck" down.  This is bad.
 				// This is an OS bug -- even the GetKeys() API doesn't tell you the key has been released.
 				// This workaround causes all held-down keys to be reset whenever the state of the Fn key changes.  This isn't
@@ -2360,14 +2387,14 @@ OSStatus LLWindowMacOSX::eventHandler (EventHandlerCallRef myHandler, EventRef e
 					if (gDebugWindowProc) printf("Fn key state change event\n");
 					gKeyboard->resetKeys();
 				}
-				
+
 				if (gDebugWindowProc) fflush(stdout);
 
 				mLastModifiers = modifiers;
 				result = eventNotHandledErr;
 				break;
 			}
-			
+
 			mRawKeyEvent = NULL;
 		}
 		break;
@@ -2462,7 +2489,7 @@ OSStatus LLWindowMacOSX::eventHandler (EventHandlerCallRef myHandler, EventRef e
 					case kEventMouseButtonSecondary:
 						mCallbacks->handleRightMouseDown(this, outCoords, mask);
 						break;
-					
+
 					case kEventMouseButtonTertiary:
 						mCallbacks->handleMiddleMouseDown(this, outCoords, mask);
 						break;
@@ -2524,7 +2551,7 @@ OSStatus LLWindowMacOSX::eventHandler (EventHandlerCallRef myHandler, EventRef e
 
 	case kEventClassWindow:
 		switch(evtKind)
-		{		
+		{
 		case kEventWindowActivated:
 			if (mTSMDocument)
 			{
@@ -2539,20 +2566,20 @@ OSStatus LLWindowMacOSX::eventHandler (EventHandlerCallRef myHandler, EventRef e
 			}
 			mCallbacks->handleFocusLost(this);
 			break;
-			
+
 		case kEventWindowBoundsChanging:
 			{
 				// This is where we would constrain move/resize to a particular screen
 
-				const S32 MIN_WIDTH  = 320;
-				const S32 MIN_HEIGHT = 240;
-				
+				const S32 MIN_WIDTH  = mMinWindowWidth;
+				const S32 MIN_HEIGHT = mMinWindowHeight;
+
 				Rect currentBounds;
 				Rect previousBounds;
 
 				GetEventParameter(event, kEventParamCurrentBounds, typeQDRectangle, NULL, sizeof(Rect), NULL, &currentBounds);
 				GetEventParameter(event, kEventParamPreviousBounds, typeQDRectangle, NULL, sizeof(Rect), NULL, &previousBounds);
-				
+
 				// Put an offset into window un-maximize operation since the kEventWindowGetIdealSize
 				// event only allows the specification of size and not position.
 				if (mMaximized)
@@ -2560,7 +2587,7 @@ OSStatus LLWindowMacOSX::eventHandler (EventHandlerCallRef myHandler, EventRef e
 					short leftOffset = mPreviousWindowRect.left - currentBounds.left;
 					currentBounds.left += leftOffset;
 					currentBounds.right += leftOffset;
-					
+
 					short topOffset = mPreviousWindowRect.top - currentBounds.top;
 					currentBounds.top += topOffset;
 					currentBounds.bottom += topOffset;
@@ -2580,7 +2607,7 @@ OSStatus LLWindowMacOSX::eventHandler (EventHandlerCallRef myHandler, EventRef e
 				{
 					currentBounds.bottom = currentBounds.top + MIN_HEIGHT;
 				}
-				
+
 				SetEventParameter(event, kEventParamCurrentBounds, typeQDRectangle, sizeof(Rect), &currentBounds);
 				result = noErr;
 			}
@@ -2591,38 +2618,38 @@ OSStatus LLWindowMacOSX::eventHandler (EventHandlerCallRef myHandler, EventRef e
 				// Get new window bounds
 				Rect newBounds;
 				GetEventParameter(event, kEventParamCurrentBounds, typeQDRectangle, NULL, sizeof(Rect), NULL, &newBounds);
-				
+
 				// Get previous window bounds
 				Rect oldBounds;
 				GetEventParameter(event, kEventParamPreviousBounds, typeQDRectangle, NULL, sizeof(Rect), NULL, &oldBounds);
-				
+
 				// Determine if the new size is larger than the old
 				bool newBoundsLarger = ((newBounds.right - newBounds.left) >= (oldBounds.right - oldBounds.left));
 				newBoundsLarger &= ((newBounds.bottom - newBounds.top) >= (oldBounds.bottom - oldBounds.top));
-				
+
 				// Check to see if this is a zoom event (+ button on window pane)
 				unsigned int eventParams;
 				GetEventParameter(event, kEventParamAttributes, typeUInt32, NULL, sizeof(int), NULL, &eventParams);
 				bool isZoomEvent = ((eventParams & kWindowBoundsChangeZoom) != 0);
-				
+
 				// Maximized flag is if zoom event and increasing window size
 				mMaximized = (isZoomEvent && newBoundsLarger);
-				
+
 				aglUpdateContext(mContext);
-				
+
 				mCallbacks->handleResize(this, newBounds.right - newBounds.left, newBounds.bottom - newBounds.top);
 			}
 			break;
-			
+
 		case kEventWindowGetIdealSize:
 			// Only recommend a new ideal size when un-maximizing
 			if (mMaximized == TRUE)
 			{
 				Point nonMaximizedSize;
-				
+
 				nonMaximizedSize.v = mPreviousWindowRect.bottom - mPreviousWindowRect.top;
 				nonMaximizedSize.h = mPreviousWindowRect.right - mPreviousWindowRect.left;
-				
+
 				SetEventParameter(event, kEventParamDimensions, typeQDPoint, sizeof(Point), &nonMaximizedSize);
 				result = noErr;
 			}
@@ -2677,7 +2704,7 @@ OSStatus LLWindowMacOSX::eventHandler (EventHandlerCallRef myHandler, EventRef e
 		if (mPreeditor)
 		{
 			switch(evtKind)
-			{		
+			{
 
 			case kEventTSMDocumentAccessGetLength:
 				{
@@ -2696,14 +2723,14 @@ OSStatus LLWindowMacOSX::eventHandler (EventHandlerCallRef myHandler, EventRef e
 				{
 					// Return the selected range, excluding preedit.
 					// In our preeditor, preedit and selection are exclusive, so,
-					// when it has a preedit, there is no selection and the 
+					// when it has a preedit, there is no selection and the
 					// insertion point is on the preedit that corrupses into the
 					// beginning of the preedit when the preedit was removed.
 
 					S32 preedit, preedit_length;
 					mPreeditor->getPreeditRange(&preedit, &preedit_length);
 					const LLWString & text = mPreeditor->getPreeditString();
-					
+
 					CFRange range;
 					if (preedit_length)
 					{
@@ -2767,7 +2794,7 @@ OSStatus LLWindowMacOSX::eventHandler (EventHandlerCallRef myHandler, EventRef e
 						memcpy(target_pointer, text_utf16.c_str() + range.location, range.length * sizeof(UniChar));
 
 						// Note that result has already been set above.
-					}					
+					}
 				}
 				break;
 
@@ -2814,14 +2841,14 @@ const char* cursorIDToName(int id)
 		case UI_CURSOR_TOOLPLAY:		return "UI_CURSOR_TOOLPLAY";
 		case UI_CURSOR_TOOLPAUSE:		return "UI_CURSOR_TOOLPAUSE";
 		case UI_CURSOR_TOOLMEDIAOPEN:	return "UI_CURSOR_TOOLMEDIAOPEN";
-		case UI_CURSOR_PIPETTE:			return "UI_CURSOR_PIPETTE";		
+		case UI_CURSOR_PIPETTE:			return "UI_CURSOR_PIPETTE";
 		case UI_CURSOR_TOOLSIT:			return "UI_CURSOR_TOOLSIT";
 		case UI_CURSOR_TOOLBUY:			return "UI_CURSOR_TOOLBUY";
 		case UI_CURSOR_TOOLOPEN:		return "UI_CURSOR_TOOLOPEN";
 	}
 
 	llerrs << "cursorIDToName: unknown cursor id" << id << llendl;
-	
+
 	return "UI_CURSOR_ARROW";
 }
 
@@ -2837,42 +2864,42 @@ static void initPixmapCursor(int cursorid, int hotspotX, int hotspotY)
 	fullpath += gDirUtilp->getDirDelimiter();
 	fullpath += cursorIDToName(cursorid);
 	fullpath += ".tif";
-	
+
 	gCursors[cursorid] = createImageCursor(fullpath.c_str(), hotspotX, hotspotY);
 }
 
-void LLWindowMacOSX::setCursor(ECursorType cursor)
+void LLWindowMacOSX::updateCursor()
 {
 	OSStatus result = noErr;
 
-	if (mDragOverrideCursor != -1) 
+	if (mDragOverrideCursor != -1)
 	{
 		// A drag is in progress...remember the requested cursor and we'll
 		// restore it when it is done
-		mCurrentCursor = cursor;
+		mCurrentCursor = mNextCursor;
 		return;
 	}
 		
-	if (cursor == UI_CURSOR_ARROW
+	if (mNextCursor == UI_CURSOR_ARROW
 		&& mBusyCount > 0)
 	{
-		cursor = UI_CURSOR_WORKING;
+		mNextCursor = UI_CURSOR_WORKING;
 	}
 	
-	if(mCurrentCursor == cursor)
+	if(mCurrentCursor == mNextCursor)
 		return;
 
 	// RN: replace multi-drag cursors with single versions
-	if (cursor == UI_CURSOR_ARROWDRAGMULTI)
+	if (mNextCursor == UI_CURSOR_ARROWDRAGMULTI)
 	{
-		cursor = UI_CURSOR_ARROWDRAG;
+		mNextCursor = UI_CURSOR_ARROWDRAG;
 	}
-	else if (cursor == UI_CURSOR_ARROWCOPYMULTI)
+	else if (mNextCursor == UI_CURSOR_ARROWCOPYMULTI)
 	{
-		cursor = UI_CURSOR_ARROWCOPY;
+		mNextCursor = UI_CURSOR_ARROWCOPY;
 	}
 
-	switch(cursor)
+	switch(mNextCursor)
 	{
 	default:
 	case UI_CURSOR_ARROW:
@@ -2923,7 +2950,7 @@ void LLWindowMacOSX::setCursor(ECursorType cursor)
 	case UI_CURSOR_TOOLSIT:
 	case UI_CURSOR_TOOLBUY:
 	case UI_CURSOR_TOOLOPEN:
-		result = setImageCursor(gCursors[cursor]);
+		result = setImageCursor(gCursors[mNextCursor]);
 		break;
 
 	}
@@ -2933,7 +2960,7 @@ void LLWindowMacOSX::setCursor(ECursorType cursor)
 		InitCursor();
 	}
 
-	mCurrentCursor = cursor;
+	mCurrentCursor = mNextCursor;
 }
 
 ECursorType LLWindowMacOSX::getCursor() const
@@ -3268,14 +3295,14 @@ void LLWindowMacOSX::spawnWebBrowser(const std::string& escaped_url, bool async)
 LLSD LLWindowMacOSX::getNativeKeyData()
 {
 	LLSD result = LLSD::emptyMap();
-	
+
 	if(mRawKeyEvent)
 	{
 		char char_code = 0;
 		UInt32 key_code = 0;
 		UInt32 modifiers = 0;
 		UInt32 keyboard_type = 0;
-		
+
 		GetEventParameter (mRawKeyEvent, kEventParamKeyMacCharCodes, typeChar, NULL, sizeof(char), NULL, &char_code);
 		GetEventParameter (mRawKeyEvent, kEventParamKeyCode, typeUInt32, NULL, sizeof(UInt32), NULL, &key_code);
 		GetEventParameter (mRawKeyEvent, kEventParamKeyModifiers, typeUInt32, NULL, sizeof(UInt32), NULL, &modifiers);
@@ -3285,7 +3312,7 @@ LLSD LLWindowMacOSX::getNativeKeyData()
 		result["key_code"] = (S32)key_code;
 		result["modifiers"] = (S32)modifiers;
 		result["keyboard_type"] = (S32)keyboard_type;
-		
+
 #if 0
 		// This causes trouble for control characters -- apparently character codes less than 32 (escape, control-A, etc)
 		// cause llsd serialization to create XML that the llsd deserializer won't parse!
@@ -3294,7 +3321,7 @@ LLSD LLWindowMacOSX::getNativeKeyData()
 		EventParamType actualType = typeUTF8Text;
 		UInt32 actualSize = 0;
 		char *buffer = NULL;
-		
+
 		err = GetEventParameter (mRawKeyEvent, kEventParamKeyUnicodes, typeUTF8Text, &actualType, 0, &actualSize, NULL);
 		if(err == noErr)
 		{
@@ -3307,7 +3334,7 @@ LLSD LLWindowMacOSX::getNativeKeyData()
 			}
 			delete[] buffer;
 		}
-		
+
 		result["unicode"] = unicode;
 #endif
 
@@ -3315,7 +3342,7 @@ LLSD LLWindowMacOSX::getNativeKeyData()
 
 
 	lldebugs << "native key data is: " << result << llendl;
-	
+
 	return result;
 }
 
@@ -3362,17 +3389,17 @@ void *LLWindowMacOSX::getPlatformWindow()
 
 void *LLWindowMacOSX::getMediaWindow()
 {
-	/* 
-		Mozilla needs to be initialized with a WindowRef to function properly.  
+	/*
+		Mozilla needs to be initialized with a WindowRef to function properly.
 		(There's no good reason for this, since it shouldn't be interacting with our window in any way, but that's another issue.)
-		If we're in windowed mode, we _could_ hand it our actual window pointer, but a subsequent switch to fullscreen will destroy that window, 
+		If we're in windowed mode, we _could_ hand it our actual window pointer, but a subsequent switch to fullscreen will destroy that window,
 		which trips up Mozilla.
 		Instead of using our actual window, we create an invisible window which will persist for the lifetime of the application and pass that to Mozilla.
 		This satisfies its deep-seated need to latch onto a WindowRef and solves the issue with switching between fullscreen and windowed modes.
 
 		Note that we will never destroy this window (by design!), but since only one will ever be created per run of the application, that's okay.
 	*/
-	
+
 	if(sMediaWindow == NULL)
 	{
 		Rect window_rect = {100, 100, 200, 200};
@@ -3381,13 +3408,13 @@ void *LLWindowMacOSX::getMediaWindow()
 			NULL,
 			&window_rect,
 			(ConstStr255Param) "\p",
-			false,				// Create the window invisible.  
+			false,				// Create the window invisible.
 			zoomDocProc,		// Window with a grow box and a zoom box
 			kLastWindowOfClass,		// create it behind other windows
 			false,					// no close box
 			0);
 	}
-	
+
 	return (void*)sMediaWindow;
 }
 
@@ -3437,7 +3464,7 @@ void LLWindowMacOSX::allowLanguageTextInput(LLPreeditor *preeditor, BOOL b)
 	}
 
 	UseInputWindow(mTSMDocument, !b);
-	
+
 	// Take care of old and new preeditors.
 	if (preeditor != mPreeditor || !b)
 	{
@@ -3456,7 +3483,7 @@ void LLWindowMacOSX::allowLanguageTextInput(LLPreeditor *preeditor, BOOL b)
 		return;
 	}
 	mLanguageTextInputAllowed = b;
-	
+
 	if (b)
 	{
 		if (mTSMScriptCode != smRoman)
@@ -3505,7 +3532,7 @@ MASK LLWindowMacOSX::modifiersToMask(SInt16 modifiers)
 	if(modifiers & (cmdKey | controlKey)) { mask |= MASK_CONTROL; }
 	if(modifiers & optionKey) { mask |= MASK_ALT; }
 	return mask;
-}	
+}
 
 #if LL_OS_DRAGDROP_ENABLED
 
@@ -3516,53 +3543,53 @@ OSErr LLWindowMacOSX::dragTrackingHandler(DragTrackingMessage message, WindowRef
 	LLWindowMacOSX *self = (LLWindowMacOSX*)handlerRefCon;
 
 	lldebugs << "drag tracking handler, message = " << message << llendl;
-	
+
 	switch(message)
 	{
 		case kDragTrackingInWindow:
 			result = self->handleDragNDrop(drag, LLWindowCallbacks::DNDA_TRACK);
 		break;
-		
+
 		case kDragTrackingEnterHandler:
 			result = self->handleDragNDrop(drag, LLWindowCallbacks::DNDA_START_TRACKING);
 		break;
-		
+
 		case kDragTrackingLeaveHandler:
 			result = self->handleDragNDrop(drag, LLWindowCallbacks::DNDA_STOP_TRACKING);
 		break;
-		
+
 		default:
 		break;
 	}
-	
+
 	return result;
 }
 
-OSErr LLWindowMacOSX::dragReceiveHandler(WindowRef theWindow, void * handlerRefCon,	
+OSErr LLWindowMacOSX::dragReceiveHandler(WindowRef theWindow, void * handlerRefCon,
 										 DragRef drag)
-{	
+{
 	LLWindowMacOSX *self = (LLWindowMacOSX*)handlerRefCon;
 	return self->handleDragNDrop(drag, LLWindowCallbacks::DNDA_DROPPED);
 
 }
 
 OSErr LLWindowMacOSX::handleDragNDrop(DragRef drag, LLWindowCallbacks::DragNDropAction action)
-{	
+{
 	OSErr result = dragNotAcceptedErr;	// overall function result
 	OSErr err = noErr;	// for local error handling
-	
+
 	// Get the mouse position and modifiers of this drag.
 	SInt16 modifiers, mouseDownModifiers, mouseUpModifiers;
 	::GetDragModifiers(drag, &modifiers, &mouseDownModifiers, &mouseUpModifiers);
 	MASK mask = LLWindowMacOSX::modifiersToMask(modifiers);
-	
+
 	Point mouse_point;
 	// This will return the mouse point in global screen coords
 	::GetDragMouse(drag, &mouse_point, NULL);
 	LLCoordScreen screen_coords(mouse_point.h, mouse_point.v);
 	LLCoordGL gl_pos;
 	convertCoords(screen_coords, &gl_pos);
-	
+
 	// Look at the pasteboard and try to extract an URL from it
 	PasteboardRef   pasteboard;
 	if(GetDragPasteboard(drag, &pasteboard) == noErr)
@@ -3570,22 +3597,22 @@ OSErr LLWindowMacOSX::handleDragNDrop(DragRef drag, LLWindowCallbacks::DragNDrop
 		ItemCount num_items = 0;
 		// Treat an error here as an item count of 0
 		(void)PasteboardGetItemCount(pasteboard, &num_items);
-		
+
 		// Only deal with single-item drags.
 		if(num_items == 1)
 		{
 			PasteboardItemID item_id = NULL;
 			CFArrayRef flavors = NULL;
 			CFDataRef data = NULL;
-			
+
 			err = PasteboardGetItemIdentifier(pasteboard, 1, &item_id); // Yes, this really is 1-based.
-			
+
 			// Try to extract an URL from the pasteboard
 			if(err == noErr)
 			{
 				err = PasteboardCopyItemFlavors( pasteboard, item_id, &flavors);
 			}
-			
+
 			if(err == noErr)
 			{
 				if(CFArrayContainsValue(flavors, CFRangeMake(0, CFArrayGetCount(flavors)), kUTTypeURL))
@@ -3598,9 +3625,9 @@ OSErr LLWindowMacOSX::handleDragNDrop(DragRef drag, LLWindowCallbacks::DragNDrop
 					// This is a string that might be an URL.
 					err = PasteboardCopyItemFlavorData(pasteboard, item_id, kUTTypeUTF8PlainText, &data);
 				}
-				
+
 			}
-			
+
 			if(flavors != NULL)
 			{
 				CFRelease(flavors);
@@ -3611,12 +3638,12 @@ OSErr LLWindowMacOSX::handleDragNDrop(DragRef drag, LLWindowCallbacks::DragNDrop
 				std::string url;
 				url.assign((char*)CFDataGetBytePtr(data), CFDataGetLength(data));
 				CFRelease(data);
-				
+
 				if(!url.empty())
 				{
-					LLWindowCallbacks::DragNDropResult res = 
+					LLWindowCallbacks::DragNDropResult res =
 						mCallbacks->handleDragNDrop(this, gl_pos, mask, action, url);
-					
+
 					switch (res) {
 						case LLWindowCallbacks::DND_NONE:		// No drop allowed
 							if (action == LLWindowCallbacks::DNDA_TRACK)
@@ -3651,7 +3678,7 @@ OSErr LLWindowMacOSX::handleDragNDrop(DragRef drag, LLWindowCallbacks::DragNDrop
 						// Restore the cursor
 						ECursorType temp_cursor = mCurrentCursor;
 						// get around the "setting the same cursor" code in setCursor()
-						mCurrentCursor = UI_CURSOR_COUNT; 
+						mCurrentCursor = UI_CURSOR_COUNT;
  						setCursor(temp_cursor);
 					}
 					else {
@@ -3663,7 +3690,7 @@ OSErr LLWindowMacOSX::handleDragNDrop(DragRef drag, LLWindowCallbacks::DragNDrop
 			}
 		}
 	}
-	
+
 	return result;
 }
 
diff --git a/indra/llwindow/llwindowmacosx.h b/indra/llwindow/llwindowmacosx.h
index 6c9e075a21..52ba8b3bf3 100644
--- a/indra/llwindow/llwindowmacosx.h
+++ b/indra/llwindow/llwindowmacosx.h
@@ -58,7 +58,8 @@ public:
 	/*virtual*/ BOOL getSize(LLCoordScreen *size);
 	/*virtual*/ BOOL getSize(LLCoordWindow *size);
 	/*virtual*/ BOOL setPosition(LLCoordScreen position);
-	/*virtual*/ BOOL setSize(LLCoordScreen size);
+	/*virtual*/ BOOL setSizeImpl(LLCoordScreen size);
+	/*virtual*/ BOOL setSizeImpl(LLCoordWindow size);
 	/*virtual*/ BOOL switchContext(BOOL fullscreen, const LLCoordScreen &size, BOOL disable_vsync, const LLCoordScreen * const posp = NULL);
 	/*virtual*/ BOOL setCursorPosition(LLCoordWindow position);
 	/*virtual*/ BOOL getCursorPosition(LLCoordWindow *position);
@@ -67,7 +68,7 @@ public:
 	/*virtual*/ void showCursorFromMouseMove();
 	/*virtual*/ void hideCursorUntilMouseMove();
 	/*virtual*/ BOOL isCursorHidden();
-	/*virtual*/ void setCursor(ECursorType cursor);
+	/*virtual*/ void updateCursor();
 	/*virtual*/ ECursorType getCursor() const;
 	/*virtual*/ void captureMouse();
 	/*virtual*/ void releaseMouse();
diff --git a/indra/llwindow/llwindowmesaheadless.h b/indra/llwindow/llwindowmesaheadless.h
index fd4bd635e2..8f70aee4f6 100644
--- a/indra/llwindow/llwindowmesaheadless.h
+++ b/indra/llwindow/llwindowmesaheadless.h
@@ -50,7 +50,7 @@ public:
 	/*virtual*/ BOOL getSize(LLCoordScreen *size) {return FALSE;};
 	/*virtual*/ BOOL getSize(LLCoordWindow *size) {return FALSE;};
 	/*virtual*/ BOOL setPosition(LLCoordScreen position) {return FALSE;};
-	/*virtual*/ BOOL setSize(LLCoordScreen size) {return FALSE;};
+	/*virtual*/ BOOL setSizeImpl(LLCoordScreen size) {return FALSE;};
 	/*virtual*/ BOOL switchContext(BOOL fullscreen, const LLCoordScreen &size, BOOL disable_vsync, const LLCoordScreen * const posp = NULL) {return FALSE;};
 	/*virtual*/ BOOL setCursorPosition(LLCoordWindow position) {return FALSE;};
 	/*virtual*/ BOOL getCursorPosition(LLCoordWindow *position) {return FALSE;};
@@ -59,7 +59,7 @@ public:
 	/*virtual*/ void showCursorFromMouseMove() {};
 	/*virtual*/ void hideCursorUntilMouseMove() {};
 	/*virtual*/ BOOL isCursorHidden() {return FALSE;};
-	/*virtual*/ void setCursor(ECursorType cursor) {};
+	/*virtual*/ void updateCursor() {};
 	//virtual ECursorType getCursor() { return mCurrentCursor; };
 	/*virtual*/ void captureMouse() {};
 	/*virtual*/ void releaseMouse() {};
diff --git a/indra/llwindow/llwindowsdl.cpp b/indra/llwindow/llwindowsdl.cpp
index b65287715c..3d33af9d9b 100644
--- a/indra/llwindow/llwindowsdl.cpp
+++ b/indra/llwindow/llwindowsdl.cpp
@@ -963,7 +963,7 @@ BOOL LLWindowSDL::setPosition(const LLCoordScreen position)
 	return TRUE;
 }
 
-BOOL LLWindowSDL::setSize(const LLCoordScreen size)
+BOOL LLWindowSDL::setSizeImpl(const LLCoordScreen size)
 {
 	if(mWindow)
 	{
@@ -981,10 +981,31 @@ BOOL LLWindowSDL::setSize(const LLCoordScreen size)
 	return FALSE;
 }
 
+BOOL LLWindowSDL::setSizeImpl(const LLCoordWindow size)
+{
+	if(mWindow)
+	{
+		// Push a resize event onto SDL's queue - we'll handle it
+		// when it comes out again.
+		SDL_Event event;
+		event.type = SDL_VIDEORESIZE;
+		event.resize.w = size.mX;
+		event.resize.h = size.mY;
+		SDL_PushEvent(&event); // copied into queue
+
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+
 void LLWindowSDL::swapBuffers()
 {
 	if (mWindow)
+	{	
 		SDL_GL_SwapBuffers();
+	}
 }
 
 U32 LLWindowSDL::getFSAASamples()
@@ -1031,6 +1052,25 @@ void LLWindowSDL::setMouseClipping( BOOL b )
     //SDL_WM_GrabInput(b ? SDL_GRAB_ON : SDL_GRAB_OFF);
 }
 
+// virtual
+void LLWindowSDL::setMinSize(U32 min_width, U32 min_height, bool enforce_immediately)
+{
+	LLWindow::setMinSize(min_width, min_height, enforce_immediately);
+
+#if LL_X11
+	// Set the minimum size limits for X11 window
+	// so the window manager doesn't allow resizing below those limits.
+	XSizeHints* hints = XAllocSizeHints();
+	hints->flags |= PMinSize;
+	hints->min_width = mMinWindowWidth;
+	hints->min_height = mMinWindowHeight;
+
+	XSetWMNormalHints(mSDL_Display, mSDL_XWindowID, hints);
+
+	XFree(hints);
+#endif
+}
+
 BOOL LLWindowSDL::setCursorPosition(const LLCoordWindow position)
 {
 	BOOL result = TRUE;
@@ -1840,11 +1880,15 @@ void LLWindowSDL::gatherInput()
                 break;
 
             case SDL_VIDEORESIZE:  // *FIX: handle this?
+            {
 		llinfos << "Handling a resize event: " << event.resize.w <<
 			"x" << event.resize.h << llendl;
 
+		S32 width = llmax(event.resize.w, (S32)mMinWindowWidth);
+		S32 height = llmax(event.resize.h, (S32)mMinWindowHeight);
+
 		// *FIX: I'm not sure this is necessary!
-		mWindow = SDL_SetVideoMode(event.resize.w, event.resize.h, 32, mSDLFlags);
+		mWindow = SDL_SetVideoMode(width, height, 32, mSDLFlags);
 		if (!mWindow)
 		{
 			// *FIX: More informative dialog?
@@ -1857,10 +1901,10 @@ void LLWindowSDL::gatherInput()
     			}
                 break;
 		}
-		
-		mCallbacks->handleResize(this, event.resize.w, event.resize.h );
-                break;
 
+		mCallbacks->handleResize(this, width, height);
+                break;
+            }
             case SDL_ACTIVEEVENT:
                 if (event.active.state & SDL_APPINPUTFOCUS)
                 {
@@ -1911,6 +1955,8 @@ void LLWindowSDL::gatherInput()
 		break;
         }
     }
+	
+	updateCursor();
 
 #if LL_X11
     // This is a good time to stop flashing the icon if our mFlashTimer has
@@ -1997,7 +2043,7 @@ static SDL_Cursor *makeSDLCursorFromBMP(const char *filename, int hotx, int hoty
 	return sdlcursor;
 }
 
-void LLWindowSDL::setCursor(ECursorType cursor)
+void LLWindowSDL::updateCursor()
 {
 	if (ATIbug) {
 		// cursor-updating is very flaky when this bug is
@@ -2005,11 +2051,11 @@ void LLWindowSDL::setCursor(ECursorType cursor)
 		return;
 	}
 
-	if (mCurrentCursor != cursor)
+	if (mCurrentCursor != mNextCursor)
 	{
-		if (cursor < UI_CURSOR_COUNT)
+		if (mNextCursor < UI_CURSOR_COUNT)
 		{
-			SDL_Cursor *sdlcursor = mSDLCursors[cursor];
+			SDL_Cursor *sdlcursor = mSDLCursors[mNextCursor];
 			// Try to default to the arrow for any cursors that
 			// did not load correctly.
 			if (!sdlcursor && mSDLCursors[UI_CURSOR_ARROW])
@@ -2017,9 +2063,9 @@ void LLWindowSDL::setCursor(ECursorType cursor)
 			if (sdlcursor)
 				SDL_SetCursor(sdlcursor);
 		} else {
-			llwarns << "Tried to set invalid cursor number " << cursor << llendl;
+			llwarns << "Tried to set invalid cursor number " << mNextCursor << llendl;
 		}
-		mCurrentCursor = cursor;
+		mCurrentCursor = mNextCursor;
 	}
 }
 
diff --git a/indra/llwindow/llwindowsdl.h b/indra/llwindow/llwindowsdl.h
index fa544b16ce..4e2a269ea3 100644
--- a/indra/llwindow/llwindowsdl.h
+++ b/indra/llwindow/llwindowsdl.h
@@ -63,7 +63,8 @@ public:
 	/*virtual*/ BOOL getSize(LLCoordScreen *size);
 	/*virtual*/ BOOL getSize(LLCoordWindow *size);
 	/*virtual*/ BOOL setPosition(LLCoordScreen position);
-	/*virtual*/ BOOL setSize(LLCoordScreen size);
+	/*virtual*/ BOOL setSizeImpl(LLCoordScreen size);
+	/*virtual*/ BOOL setSizeImpl(LLCoordWindow size);
 	/*virtual*/ BOOL switchContext(BOOL fullscreen, const LLCoordScreen &size, BOOL disable_vsync, const LLCoordScreen * const posp = NULL);
 	/*virtual*/ BOOL setCursorPosition(LLCoordWindow position);
 	/*virtual*/ BOOL getCursorPosition(LLCoordWindow *position);
@@ -72,10 +73,11 @@ public:
 	/*virtual*/ void showCursorFromMouseMove();
 	/*virtual*/ void hideCursorUntilMouseMove();
 	/*virtual*/ BOOL isCursorHidden();
-	/*virtual*/ void setCursor(ECursorType cursor);
+	/*virtual*/ void updateCursor();
 	/*virtual*/ void captureMouse();
 	/*virtual*/ void releaseMouse();
 	/*virtual*/ void setMouseClipping( BOOL b );
+	/*virtual*/	void setMinSize(U32 min_width, U32 min_height, bool enforce_immediately = true);
 
 	/*virtual*/ BOOL isClipboardTextAvailable();
 	/*virtual*/ BOOL pasteTextFromClipboard(LLWString &dst);
diff --git a/indra/llwindow/llwindowwin32.cpp b/indra/llwindow/llwindowwin32.cpp
index 551d487cc8..bc85acbf45 100644
--- a/indra/llwindow/llwindowwin32.cpp
+++ b/indra/llwindow/llwindowwin32.cpp
@@ -41,6 +41,7 @@
 #include "llgl.h"
 #include "llstring.h"
 #include "lldir.h"
+#include "llglslshader.h"
 
 // System includes
 #include <commdlg.h>
@@ -861,7 +862,7 @@ BOOL LLWindowWin32::setPosition(const LLCoordScreen position)
 	return TRUE;
 }
 
-BOOL LLWindowWin32::setSize(const LLCoordScreen size)
+BOOL LLWindowWin32::setSizeImpl(const LLCoordScreen size)
 {
 	LLCoordScreen position;
 
@@ -871,10 +872,30 @@ BOOL LLWindowWin32::setSize(const LLCoordScreen size)
 		return FALSE;
 	}
 
+	WINDOWPLACEMENT placement;
+	placement.length = sizeof(WINDOWPLACEMENT);
+
+	if (!GetWindowPlacement(mWindowHandle, &placement)) return FALSE;
+
+	placement.showCmd = SW_RESTORE;
+
+	if (!SetWindowPlacement(mWindowHandle, &placement)) return FALSE;
+
 	moveWindow(position, size);
 	return TRUE;
 }
 
+BOOL LLWindowWin32::setSizeImpl(const LLCoordWindow size)
+{
+	RECT window_rect = {0, 0, size.mX, size.mY };
+	DWORD dw_ex_style = WS_EX_APPWINDOW | WS_EX_WINDOWEDGE;
+	DWORD dw_style = WS_OVERLAPPEDWINDOW;
+
+	AdjustWindowRectEx(&window_rect, dw_style, FALSE, dw_ex_style);
+
+	return setSizeImpl(LLCoordScreen(window_rect.right - window_rect.left, window_rect.bottom - window_rect.top));
+}
+
 // changing fullscreen resolution
 BOOL LLWindowWin32::switchContext(BOOL fullscreen, const LLCoordScreen &size, BOOL disable_vsync, const LLCoordScreen * const posp)
 {
@@ -885,12 +906,12 @@ BOOL LLWindowWin32::switchContext(BOOL fullscreen, const LLCoordScreen &size, BO
 	DWORD	current_refresh;
 	DWORD	dw_ex_style;
 	DWORD	dw_style;
-	RECT	window_rect;
+	RECT	window_rect = {0, 0, 0, 0};
 	S32 width = size.mX;
 	S32 height = size.mY;
 	BOOL auto_show = FALSE;
 
-	if (mhRC)
+	if (mhRC)	
 	{
 		auto_show = TRUE;
 		resetDisplayResolution();
@@ -985,7 +1006,8 @@ BOOL LLWindowWin32::switchContext(BOOL fullscreen, const LLCoordScreen &size, BO
 			dw_ex_style = WS_EX_APPWINDOW;
 			dw_style = WS_POPUP;
 
-			// Move window borders out not to cover window contents
+			// Move window borders out not to cover window contents.
+			// This converts client rect to window rect, i.e. expands it by the window border size.
 			AdjustWindowRectEx(&window_rect, dw_style, FALSE, dw_ex_style);
 		}
 		// If it failed, we don't want to run fullscreen
@@ -1013,6 +1035,7 @@ BOOL LLWindowWin32::switchContext(BOOL fullscreen, const LLCoordScreen &size, BO
 		dw_style = WS_OVERLAPPEDWINDOW;
 	}
 
+
 	// don't post quit messages when destroying old windows
 	mPostQuit = FALSE;
 
@@ -1031,6 +1054,8 @@ BOOL LLWindowWin32::switchContext(BOOL fullscreen, const LLCoordScreen &size, BO
 		mhInstance,
 		NULL);
 
+	LL_INFOS("Window") << "window is created." << llendl ;
+
 	//-----------------------------------------------------------------------
 	// Create GL drawing context
 	//-----------------------------------------------------------------------
@@ -1062,6 +1087,8 @@ BOOL LLWindowWin32::switchContext(BOOL fullscreen, const LLCoordScreen &size, BO
 		return FALSE;
 	}
 
+	LL_INFOS("Window") << "Device context retrieved." << llendl ;
+
 	if (!(pixel_format = ChoosePixelFormat(mhDC, &pfd)))
 	{
 		close();
@@ -1070,6 +1097,8 @@ BOOL LLWindowWin32::switchContext(BOOL fullscreen, const LLCoordScreen &size, BO
 		return FALSE;
 	}
 
+	LL_INFOS("Window") << "Pixel format chosen." << llendl ;
+
 	// Verify what pixel format we actually received.
 	if (!DescribePixelFormat(mhDC, pixel_format, sizeof(PIXELFORMATDESCRIPTOR),
 		&pfd))
@@ -1080,6 +1109,37 @@ BOOL LLWindowWin32::switchContext(BOOL fullscreen, const LLCoordScreen &size, BO
 		return FALSE;
 	}
 
+	// (EXP-1765) dump pixel data to see if there is a pattern that leads to unreproducible crash
+	LL_INFOS("Window") << "--- begin pixel format dump ---" << llendl ;
+	LL_INFOS("Window") << "pixel_format is " << pixel_format << llendl ;
+	LL_INFOS("Window") << "pfd.nSize:            " << pfd.nSize << llendl ;
+	LL_INFOS("Window") << "pfd.nVersion:         " << pfd.nVersion << llendl ;
+	LL_INFOS("Window") << "pfd.dwFlags:          0x" << std::hex << pfd.dwFlags << std::dec << llendl ;
+	LL_INFOS("Window") << "pfd.iPixelType:       " << (int)pfd.iPixelType << llendl ;
+	LL_INFOS("Window") << "pfd.cColorBits:       " << (int)pfd.cColorBits << llendl ;
+	LL_INFOS("Window") << "pfd.cRedBits:         " << (int)pfd.cRedBits << llendl ;
+	LL_INFOS("Window") << "pfd.cRedShift:        " << (int)pfd.cRedShift << llendl ;
+	LL_INFOS("Window") << "pfd.cGreenBits:       " << (int)pfd.cGreenBits << llendl ;
+	LL_INFOS("Window") << "pfd.cGreenShift:      " << (int)pfd.cGreenShift << llendl ;
+	LL_INFOS("Window") << "pfd.cBlueBits:        " << (int)pfd.cBlueBits << llendl ;
+	LL_INFOS("Window") << "pfd.cBlueShift:       " << (int)pfd.cBlueShift << llendl ;
+	LL_INFOS("Window") << "pfd.cAlphaBits:       " << (int)pfd.cAlphaBits << llendl ;
+	LL_INFOS("Window") << "pfd.cAlphaShift:      " << (int)pfd.cAlphaShift << llendl ;
+	LL_INFOS("Window") << "pfd.cAccumBits:       " << (int)pfd.cAccumBits << llendl ;
+	LL_INFOS("Window") << "pfd.cAccumRedBits:    " << (int)pfd.cAccumRedBits << llendl ;
+	LL_INFOS("Window") << "pfd.cAccumGreenBits:  " << (int)pfd.cAccumGreenBits << llendl ;
+	LL_INFOS("Window") << "pfd.cAccumBlueBits:   " << (int)pfd.cAccumBlueBits << llendl ;
+	LL_INFOS("Window") << "pfd.cAccumAlphaBits:  " << (int)pfd.cAccumAlphaBits << llendl ;
+	LL_INFOS("Window") << "pfd.cDepthBits:       " << (int)pfd.cDepthBits << llendl ;
+	LL_INFOS("Window") << "pfd.cStencilBits:     " << (int)pfd.cStencilBits << llendl ;
+	LL_INFOS("Window") << "pfd.cAuxBuffers:      " << (int)pfd.cAuxBuffers << llendl ;
+	LL_INFOS("Window") << "pfd.iLayerType:       " << (int)pfd.iLayerType << llendl ;
+	LL_INFOS("Window") << "pfd.bReserved:        " << (int)pfd.bReserved << llendl ;
+	LL_INFOS("Window") << "pfd.dwLayerMask:      " << pfd.dwLayerMask << llendl ;
+	LL_INFOS("Window") << "pfd.dwVisibleMask:    " << pfd.dwVisibleMask << llendl ;
+	LL_INFOS("Window") << "pfd.dwDamageMask:     " << pfd.dwDamageMask << llendl ;
+	LL_INFOS("Window") << "--- end pixel format dump ---" << llendl ;
+
 	if (pfd.cColorBits < 32)
 	{
 		close();
@@ -1120,8 +1180,10 @@ BOOL LLWindowWin32::switchContext(BOOL fullscreen, const LLCoordScreen &size, BO
 		return FALSE;
 	}
 
-	gGLManager.initWGL();
+	LL_INFOS("Window") << "Drawing context is created." << llendl ;
 
+	gGLManager.initWGL();
+	
 	if (wglChoosePixelFormatARB)
 	{
 		// OK, at this point, use the ARB wglChoosePixelFormatsARB function to see if we
@@ -1172,8 +1234,39 @@ BOOL LLWindowWin32::switchContext(BOOL fullscreen, const LLCoordScreen &size, BO
 
 		// First we try and get a 32 bit depth pixel format
 		BOOL result = wglChoosePixelFormatARB(mhDC, attrib_list, NULL, 256, pixel_formats, &num_formats);
+		
+		while(!result && mFSAASamples > 0) 
+		{
+			llwarns << "FSAASamples: " << mFSAASamples << " not supported." << llendl ;
+
+			mFSAASamples /= 2 ; //try to decrease sample pixel number until to disable anti-aliasing
+			if(mFSAASamples < 2)
+			{
+				mFSAASamples = 0 ;
+			}
+
+			if (mFSAASamples > 0)
+			{
+				attrib_list[end_attrib + 3] = mFSAASamples;
+			}
+			else
+			{
+				cur_attrib = end_attrib ;
+				end_attrib = 0 ;
+				attrib_list[cur_attrib++] = 0 ; //end
+			}
+			result = wglChoosePixelFormatARB(mhDC, attrib_list, NULL, 256, pixel_formats, &num_formats);
+
+			if(result)
+			{
+				llwarns << "Only support FSAASamples: " << mFSAASamples << llendl ;
+			}
+		}
+
 		if (!result)
 		{
+			llwarns << "mFSAASamples: " << mFSAASamples << llendl ;
+
 			close();
 			show_window_creation_error("Error after wglChoosePixelFormatARB 32-bit");
 			return FALSE;
@@ -1225,7 +1318,7 @@ BOOL LLWindowWin32::switchContext(BOOL fullscreen, const LLCoordScreen &size, BO
 			LL_INFOS("Window") << "Choosing pixel formats: " << num_formats << " pixel formats returned" << LL_ENDL;
 		}
 
-		
+		LL_INFOS("Window") << "pixel formats done." << llendl ;
 
 		S32 swap_method = 0;
 		S32 cur_format = num_formats-1;
@@ -1275,6 +1368,8 @@ BOOL LLWindowWin32::switchContext(BOOL fullscreen, const LLCoordScreen &size, BO
 			mhInstance,
 			NULL);
 
+		LL_INFOS("Window") << "recreate window done." << llendl ;
+
 		if (!(mhDC = GetDC(mWindowHandle)))
 		{
 			close();
@@ -1347,7 +1442,53 @@ BOOL LLWindowWin32::switchContext(BOOL fullscreen, const LLCoordScreen &size, BO
 		return FALSE;
 	}
 
-	if (!(mhRC = wglCreateContext(mhDC)))
+	mhRC = 0;
+	if (wglCreateContextAttribsARB)
+	{ //attempt to create a specific versioned context
+		S32 attribs[] = 
+		{ //start at 4.2
+			WGL_CONTEXT_MAJOR_VERSION_ARB, 4,
+			WGL_CONTEXT_MINOR_VERSION_ARB, 2,
+			WGL_CONTEXT_PROFILE_MASK_ARB,  LLRender::sGLCoreProfile ? WGL_CONTEXT_CORE_PROFILE_BIT_ARB : WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB,
+			WGL_CONTEXT_FLAGS_ARB, gDebugGL ? WGL_CONTEXT_DEBUG_BIT_ARB : 0,
+			0
+		};
+
+		bool done = false;
+		while (!done)
+		{
+			mhRC = wglCreateContextAttribsARB(mhDC, mhRC, attribs);
+
+			if (!mhRC)
+			{
+				if (attribs[3] > 0)
+				{ //decrement minor version
+					attribs[3]--;
+				}
+				else if (attribs[1] > 3)
+				{ //decrement major version and start minor version over at 3
+					attribs[1]--;
+					attribs[3] = 3;
+				}
+				else
+				{ //we reached 3.0 and still failed, bail out
+					done = true;
+				}
+			}
+			else
+			{
+				llinfos << "Created OpenGL " << llformat("%d.%d", attribs[1], attribs[3]) << " context." << llendl;
+				done = true;
+
+				if (LLRender::sGLCoreProfile)
+				{
+					LLGLSLShader::sNoFixedFunction = true;
+				}
+			}
+		}
+	}
+
+	if (!mhRC && !(mhRC = wglCreateContext(mhDC)))
 	{
 		close();
 		OSMessageBox(mCallbacks->translateString("MBGLContextErr"), mCallbacks->translateString("MBError"), OSMB_OK);
@@ -1367,7 +1508,7 @@ BOOL LLWindowWin32::switchContext(BOOL fullscreen, const LLCoordScreen &size, BO
 		OSMessageBox(mCallbacks->translateString("MBVideoDrvErr"), mCallbacks->translateString("MBError"), OSMB_OK);
 		return FALSE;
 	}
-
+	
 	// Disable vertical sync for swap
 	if (disable_vsync && wglSwapIntervalEXT)
 	{
@@ -1426,24 +1567,16 @@ void LLWindowWin32::moveWindow( const LLCoordScreen& position, const LLCoordScre
 
 BOOL LLWindowWin32::setCursorPosition(const LLCoordWindow position)
 {
-	LLCoordScreen screen_pos;
-
 	mMousePositionModified = TRUE;
 	if (!mWindowHandle)
 	{
 		return FALSE;
 	}
 
-	if (!convertCoords(position, &screen_pos))
-	{
-		return FALSE;
-	}
 
 	// Inform the application of the new mouse position (needed for per-frame
 	// hover/picking to function).
-	LLCoordGL gl_pos;
-	convertCoords(position, &gl_pos);
-	mCallbacks->handleMouseMove(this, gl_pos, (MASK)0);
+	mCallbacks->handleMouseMove(this, position.convert(), (MASK)0);
 	
 	// DEV-18951 VWR-8524 Camera moves wildly when alt-clicking.
 	// Because we have preemptively notified the application of the new
@@ -1453,24 +1586,23 @@ BOOL LLWindowWin32::setCursorPosition(const LLCoordWindow position)
 	while (PeekMessage(&msg, NULL, WM_MOUSEMOVE, WM_MOUSEMOVE, PM_REMOVE))
 	{ }
 
-	return SetCursorPos(screen_pos.mX, screen_pos.mY);
+	LLCoordScreen screen_pos(position.convert());
+	return ::SetCursorPos(screen_pos.mX, screen_pos.mY);
 }
 
 BOOL LLWindowWin32::getCursorPosition(LLCoordWindow *position)
 {
 	POINT cursor_point;
-	LLCoordScreen screen_pos;
 
-	if (!mWindowHandle ||
-		!GetCursorPos(&cursor_point))
+	if (!mWindowHandle 
+		|| !GetCursorPos(&cursor_point)
+		|| !position)
 	{
 		return FALSE;
 	}
 
-	screen_pos.mX = cursor_point.x;
-	screen_pos.mY = cursor_point.y;
-
-	return convertCoords(screen_pos, position);
+	*position = LLCoordScreen(cursor_point.x, cursor_point.y).convert();
+	return TRUE;
 }
 
 void LLWindowWin32::hideCursor()
@@ -1583,18 +1715,18 @@ void LLWindowWin32::initCursors()
 
 
 
-void LLWindowWin32::setCursor(ECursorType cursor)
+void LLWindowWin32::updateCursor()
 {
-	if (cursor == UI_CURSOR_ARROW
+	if (mNextCursor == UI_CURSOR_ARROW
 		&& mBusyCount > 0)
 	{
-		cursor = UI_CURSOR_WORKING;
+		mNextCursor = UI_CURSOR_WORKING;
 	}
 
-	if( mCurrentCursor != cursor )
+	if( mCurrentCursor != mNextCursor )
 	{
-		mCurrentCursor = cursor;
-		SetCursor( mCursor[cursor] );
+		mCurrentCursor = mNextCursor;
+		SetCursor( mCursor[mNextCursor] );
 	}
 }
 
@@ -1632,7 +1764,7 @@ void LLWindowWin32::gatherInput()
 
 	LLMemType m1(LLMemType::MTYPE_GATHER_INPUT);
 
-	while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE) && msg_count < MAX_MESSAGE_PER_UPDATE)
+	while ((msg_count < MAX_MESSAGE_PER_UPDATE) && PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
 	{
 		mCallbacks->handlePingWatchdog(this, "Main:TranslateGatherInput");
 		TranslateMessage(&msg);
@@ -1676,6 +1808,8 @@ void LLWindowWin32::gatherInput()
 
 	mInputProcessingPaused = FALSE;
 
+	updateCursor();
+
 	// clear this once we've processed all mouse messages that might have occurred after
 	// we slammed the mouse position
 	mMousePositionModified = FALSE;
@@ -1686,6 +1820,10 @@ static LLFastTimer::DeclareTimer FTM_MOUSEHANDLER("Handle Mouse");
 
 LRESULT CALLBACK LLWindowWin32::mainWindowProc(HWND h_wnd, UINT u_msg, WPARAM w_param, LPARAM l_param)
 {
+	// Ignore clicks not originated in the client area, i.e. mouse-up events not preceded with a WM_LBUTTONDOWN.
+	// This helps prevent avatar walking after maximizing the window by double-clicking the title bar.
+	static bool sHandleLeftMouseUp = true;
+
 	LLWindowWin32 *window_imp = (LLWindowWin32 *)GetWindowLong(h_wnd, GWL_USERDATA);
 
 
@@ -2032,10 +2170,20 @@ LRESULT CALLBACK LLWindowWin32::mainWindowProc(HWND h_wnd, UINT u_msg, WPARAM w_
 			window_imp->handleUnicodeUTF16((U16)w_param, gKeyboard->currentMask(FALSE));
 			return 0;
 
+		case WM_NCLBUTTONDOWN:
+			{
+				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;
+			}
+			break;
+
 		case WM_LBUTTONDOWN:
 			{
 				window_imp->mCallbacks->handlePingWatchdog(window_imp, "Main:WM_LBUTTONDOWN");
 				LLFastTimer t2(FTM_MOUSEHANDLER);
+				sHandleLeftMouseUp = true;
+
 				if (LLWinImm::isAvailable() && window_imp->mPreeditor)
 				{
 					window_imp->interruptLanguageTextInput();
@@ -2046,15 +2194,15 @@ LRESULT CALLBACK LLWindowWin32::mainWindowProc(HWND h_wnd, UINT u_msg, WPARAM w_
 				// If we don't do this, many clicks could get buffered up, and if the
 				// first click changes the cursor position, all subsequent clicks
 				// will occur at the wrong location.  JC
-				LLCoordWindow cursor_coord_window;
 				if (window_imp->mMousePositionModified)
 				{
+					LLCoordWindow cursor_coord_window;
 					window_imp->getCursorPosition(&cursor_coord_window);
-					window_imp->convertCoords(cursor_coord_window, &gl_coord);
+					gl_coord = cursor_coord_window.convert();
 				}
 				else
 				{
-					window_imp->convertCoords(window_coord, &gl_coord);
+					gl_coord = window_coord.convert();
 				}
 				MASK mask = gKeyboard->currentMask(TRUE);
 				// generate move event to update mouse coordinates
@@ -2076,15 +2224,15 @@ LRESULT CALLBACK LLWindowWin32::mainWindowProc(HWND h_wnd, UINT u_msg, WPARAM w_
 				// If we don't do this, many clicks could get buffered up, and if the
 				// first click changes the cursor position, all subsequent clicks
 				// will occur at the wrong location.  JC
-				LLCoordWindow cursor_coord_window;
 				if (window_imp->mMousePositionModified)
 				{
+					LLCoordWindow cursor_coord_window;
 					window_imp->getCursorPosition(&cursor_coord_window);
-					window_imp->convertCoords(cursor_coord_window, &gl_coord);
+					gl_coord = cursor_coord_window.convert();
 				}
 				else
 				{
-					window_imp->convertCoords(window_coord, &gl_coord);
+					gl_coord = window_coord.convert();
 				}
 				MASK mask = gKeyboard->currentMask(TRUE);
 				// generate move event to update mouse coordinates
@@ -2100,6 +2248,13 @@ LRESULT CALLBACK LLWindowWin32::mainWindowProc(HWND h_wnd, UINT u_msg, WPARAM w_
 			{
 				window_imp->mCallbacks->handlePingWatchdog(window_imp, "Main:WM_LBUTTONUP");
 				LLFastTimer t2(FTM_MOUSEHANDLER);
+
+				if (!sHandleLeftMouseUp)
+				{
+					sHandleLeftMouseUp = true;
+					break;
+				}
+
 				//if (gDebugClicks)
 				//{
 				//	LL_INFOS("Window") << "WndProc left button up" << LL_ENDL;
@@ -2109,15 +2264,15 @@ LRESULT CALLBACK LLWindowWin32::mainWindowProc(HWND h_wnd, UINT u_msg, WPARAM w_
 				// If we don't do this, many clicks could get buffered up, and if the
 				// first click changes the cursor position, all subsequent clicks
 				// will occur at the wrong location.  JC
-				LLCoordWindow cursor_coord_window;
 				if (window_imp->mMousePositionModified)
 				{
+					LLCoordWindow cursor_coord_window;
 					window_imp->getCursorPosition(&cursor_coord_window);
-					window_imp->convertCoords(cursor_coord_window, &gl_coord);
+					gl_coord = cursor_coord_window.convert();
 				}
 				else
 				{
-					window_imp->convertCoords(window_coord, &gl_coord);
+					gl_coord = window_coord.convert();
 				}
 				MASK mask = gKeyboard->currentMask(TRUE);
 				// generate move event to update mouse coordinates
@@ -2144,15 +2299,15 @@ LRESULT CALLBACK LLWindowWin32::mainWindowProc(HWND h_wnd, UINT u_msg, WPARAM w_
 				// If we don't do this, many clicks could get buffered up, and if the
 				// first click changes the cursor position, all subsequent clicks
 				// will occur at the wrong location.  JC
-				LLCoordWindow cursor_coord_window;
 				if (window_imp->mMousePositionModified)
 				{
+					LLCoordWindow cursor_coord_window;
 					window_imp->getCursorPosition(&cursor_coord_window);
-					window_imp->convertCoords(cursor_coord_window, &gl_coord);
+					gl_coord = cursor_coord_window.convert();
 				}
 				else
 				{
-					window_imp->convertCoords(window_coord, &gl_coord);
+					gl_coord = window_coord.convert();
 				}
 				MASK mask = gKeyboard->currentMask(TRUE);
 				// generate move event to update mouse coordinates
@@ -2173,15 +2328,15 @@ LRESULT CALLBACK LLWindowWin32::mainWindowProc(HWND h_wnd, UINT u_msg, WPARAM w_
 				// If we don't do this, many clicks could get buffered up, and if the
 				// first click changes the cursor position, all subsequent clicks
 				// will occur at the wrong location.  JC
-				LLCoordWindow cursor_coord_window;
 				if (window_imp->mMousePositionModified)
 				{
+					LLCoordWindow cursor_coord_window;
 					window_imp->getCursorPosition(&cursor_coord_window);
-					window_imp->convertCoords(cursor_coord_window, &gl_coord);
+					gl_coord = cursor_coord_window.convert();
 				}
 				else
 				{
-					window_imp->convertCoords(window_coord, &gl_coord);
+					gl_coord = window_coord.convert();
 				}
 				MASK mask = gKeyboard->currentMask(TRUE);
 				// generate move event to update mouse coordinates
@@ -2208,15 +2363,15 @@ LRESULT CALLBACK LLWindowWin32::mainWindowProc(HWND h_wnd, UINT u_msg, WPARAM w_
 				// If we don't do this, many clicks could get buffered up, and if the
 				// first click changes the cursor position, all subsequent clicks
 				// will occur at the wrong location.  JC
-				LLCoordWindow cursor_coord_window;
 				if (window_imp->mMousePositionModified)
 				{
+					LLCoordWindow cursor_coord_window;
 					window_imp->getCursorPosition(&cursor_coord_window);
-					window_imp->convertCoords(cursor_coord_window, &gl_coord);
+					gl_coord = cursor_coord_window.convert();
 				}
 				else
 				{
-					window_imp->convertCoords(window_coord, &gl_coord);
+					gl_coord = window_coord.convert();
 				}
 				MASK mask = gKeyboard->currentMask(TRUE);
 				// generate move event to update mouse coordinates
@@ -2237,15 +2392,15 @@ LRESULT CALLBACK LLWindowWin32::mainWindowProc(HWND h_wnd, UINT u_msg, WPARAM w_
 				// If we don't do this, many clicks could get buffered up, and if the
 				// first click changes the cursor position, all subsequent clicks
 				// will occur at the wrong location.  JC
-				LLCoordWindow cursor_coord_window;
 				if (window_imp->mMousePositionModified)
 				{
+					LLCoordWindow cursor_coord_window;
 					window_imp->getCursorPosition(&cursor_coord_window);
-					window_imp->convertCoords(cursor_coord_window, &gl_coord);
+					gl_coord = cursor_coord_window.convert();
 				}
 				else
 				{
-					window_imp->convertCoords(window_coord, &gl_coord);
+					gl_coord = window_coord.convert();
 				}
 				MASK mask = gKeyboard->currentMask(TRUE);
 				// generate move event to update mouse coordinates
@@ -2317,9 +2472,16 @@ LRESULT CALLBACK LLWindowWin32::mainWindowProc(HWND h_wnd, UINT u_msg, WPARAM w_
 		case WM_MOUSEMOVE:
 			{
 				window_imp->mCallbacks->handlePingWatchdog(window_imp, "Main:WM_MOUSEMOVE");
-				window_imp->convertCoords(window_coord, &gl_coord);
 				MASK mask = gKeyboard->currentMask(TRUE);
-				window_imp->mCallbacks->handleMouseMove(window_imp, gl_coord, mask);
+				window_imp->mCallbacks->handleMouseMove(window_imp, window_coord.convert(), mask);
+				return 0;
+			}
+
+		case WM_GETMINMAXINFO:
+			{
+				LPMINMAXINFO min_max = (LPMINMAXINFO)l_param;
+				min_max->ptMinTrackSize.x = window_imp->mMinWindowWidth;
+				min_max->ptMinTrackSize.y = window_imp->mMinWindowHeight;
 				return 0;
 			}
 
@@ -3199,7 +3361,7 @@ void LLWindowWin32::setLanguageTextInput( const LLCoordGL & position )
 
 			LLWinImm::setCompositionWindow( himc, &ime_form );
 
-			sWinIMEWindowPosition.set( win_pos.mX, win_pos.mY );
+			sWinIMEWindowPosition = win_pos;
 		}
 
 		LLWinImm::releaseContext(mWindowHandle, himc);
diff --git a/indra/llwindow/llwindowwin32.h b/indra/llwindow/llwindowwin32.h
index 387e4cbdb6..54c9ac4d4d 100644
--- a/indra/llwindow/llwindowwin32.h
+++ b/indra/llwindow/llwindowwin32.h
@@ -57,7 +57,8 @@ public:
 	/*virtual*/ BOOL getSize(LLCoordScreen *size);
 	/*virtual*/ BOOL getSize(LLCoordWindow *size);
 	/*virtual*/ BOOL setPosition(LLCoordScreen position);
-	/*virtual*/ BOOL setSize(LLCoordScreen size);
+	/*virtual*/ BOOL setSizeImpl(LLCoordScreen size);
+	/*virtual*/ BOOL setSizeImpl(LLCoordWindow size);
 	/*virtual*/ BOOL switchContext(BOOL fullscreen, const LLCoordScreen &size, BOOL disable_vsync, const LLCoordScreen * const posp = NULL);
 	/*virtual*/ BOOL setCursorPosition(LLCoordWindow position);
 	/*virtual*/ BOOL getCursorPosition(LLCoordWindow *position);
@@ -66,7 +67,7 @@ public:
 	/*virtual*/ void showCursorFromMouseMove();
 	/*virtual*/ void hideCursorUntilMouseMove();
 	/*virtual*/ BOOL isCursorHidden();
-	/*virtual*/ void setCursor(ECursorType cursor);
+	/*virtual*/ void updateCursor();
 	/*virtual*/ ECursorType getCursor() const;
 	/*virtual*/ void captureMouse();
 	/*virtual*/ void releaseMouse();