windows: change debug builds to use fast floating point. since thats what we want final builds to use. also, prevent hotkeys and input keys from working while the game window is not foreground

desmume/src/windows/DeSmuME_2005.vcproj

@@ -55,6 +55,7 @@
 				ExceptionHandling="1"
 				BufferSecurityCheck="false"
 				EnableEnhancedInstructionSet="0"
+				FloatingPointModel="2"
 				WarningLevel="1"
 				DebugInformationFormat="4"
 				CallingConvention="0"

desmume/src/windows/DeSmuME_2008.vcproj

@@ -56,6 +56,7 @@
 				ExceptionHandling="1"
 				BufferSecurityCheck="false"
 				EnableEnhancedInstructionSet="0"
+				FloatingPointModel="2"
 				DebugInformationFormat="4"
 				CallingConvention="1"
 				CompileAs="0"

desmume/src/windows/inputdx.cpp

@@ -1930,8 +1930,9 @@ bool S9xGetState (WORD KeyIdent)
 	if(KeyIdent == 0 || KeyIdent == VK_ESCAPE) // if it's the 'disabled' key, it's never pressed
 		return true;
 
-	//if(!GUI.BackgroundKeyGamekeys && GUI.hWnd != GetForegroundWindow())
-	//	return true;
+	//TODO - option for background game keys
+	if(MainWindow->getHWnd() != GetForegroundWindow())
+		return true;
 
     if (KeyIdent & 0x8000) // if it's a joystick 'key':
     {