Function _dispatch

Engine/source/windowManager/win32/winDispatch.cpp:175–498

//-----------------------------------------------------------------------------

static bool _dispatch(HWND hWnd,UINT message,WPARAM wParam,WPARAM lParam)
{
	static bool button[3] = {false,false,false};
	static S32 mouseNCState = -1; // -1 denotes unchanged, 
	// 0  denotes changed but was hidden
	// 1  denotes changed but was visible
	Win32Window* window = hWnd?(Win32Window*)GetWindowLongPtr(hWnd, GWLP_USERDATA): 0;
	const WindowId devId = window ? window->getWindowId() : 0;

	// State tracking for focus/lose focus cursor management
	static bool cursorLocked = false;
	static bool cursorVisible = true;

	switch(message) 
	{
	case WM_MOUSEMOVE:
		{
			// Skip it if we have no window!
			if (!window || !window->getCursorController())
				break;


			PlatformCursorController *pController = window->getCursorController();

			// If we're locked and unfocused, ignore it.
			if(window->shouldLockMouse() && !window->isFocused())
				break;

			// If the mouse was shown to accommodate a NC mouse move
			//  we need to change it back to what it was
			if( mouseNCState != -1 )
			{
				pController->setCursorVisible( mouseNCState );
				mouseNCState = -1; // reset to unchanged
			}

			// Let the cursor manager update the native cursor.
			pController->refreshCursor();

			// Grab the mouse pos so we can modify it.
			S32 mouseX = S16(LOWORD(lParam));
			S32 mouseY = S16(HIWORD(lParam));

			// Ensure mouse lock when appropriate
			window->setMouseLocked( window->shouldLockMouse() );

			// Are we locked?
			if(window->isMouseLocked())
			{
				// Always invisible when locked.
				if( window->isCursorVisible() )
					window->setCursorVisible( false );

				RECT r;
				GetWindowRect(window->getHWND(), &r);

				// See Win32Window::setMouseLocked for explanation
				RECT rCopy = r;