don't queue input while dialog boxes have focus

stepmania/src/arch/InputHandler/InputHandler_DirectInput.cpp

@@ -4,6 +4,7 @@
 #include "global.h"
 #include "InputHandler_DirectInput.h"
 
+#include "StepMania.h"
 #include "RageUtil.h"
 #include "RageLog.h"
 #include "SDL_utils.h"
@@ -338,6 +339,11 @@ void InputHandler_DInput::UpdateBuffered(DIDevice &device, const RageTimer &tm)
 		return;
 	}
 
+	/* XXX: We should check GetConsoleWindow(), to allow input while the console window
+	 * is focused. */
+	if( GetForegroundWindow() != g_hWndMain )
+		return;
+
 	for(int i = 0; i < (int) numevents; ++i)
 	{
 		for(unsigned j = 0; j < device.Inputs.size(); ++j)