void
BApplication::HideCursor()
{
	BPrivate::AppServerLink link;
	link.StartMessage(AS_HIDE_CURSOR);
	link.Flush();
}

/*!	\brief Cleans up any memory allocated by the bitmap and
		informs the server to do so as well (if needed).
*/
void
BBitmap::_CleanUp()
{
	if (fWindow != NULL) {
		if (fWindow->Lock())
			delete fWindow;
		fWindow = NULL;
			// this will leak fWindow if it couldn't be locked
	}

	if (fBasePointer == NULL)
		return;

	if ((fFlags & B_BITMAP_NO_SERVER_LINK) != 0) {
		free(fBasePointer);
	} else if (fServerToken != -1) {
		BPrivate::AppServerLink link;
		// AS_DELETE_BITMAP:
		// Attached Data:
		//	1) int32 server token
		link.StartMessage(AS_DELETE_BITMAP);
		link.Attach<int32>(fServerToken);
		link.Flush();

		// The server areas are deleted via kMsgDeleteServerMemoryArea message

		fArea = -1;
		fServerToken = -1;
		fAreaOffset = -1;

		BAutolock _(sBitmapListLock);
		sBitmapList.RemoveItem(this);
	}
	fBasePointer = NULL;
}

BCursor::BCursor(const void *cursorData)
	:
	fServerToken(-1),
	fNeedToFree(false)
{
	const uint8 *data = (const uint8 *)cursorData;

	if (data == B_HAND_CURSOR || data == B_I_BEAM_CURSOR) {
		// just use the default cursors from the app_server
		fServerToken = data == B_HAND_CURSOR ?
			B_CURSOR_DEFAULT : B_CURSOR_TEXT;
		return;
	}

	// Create a new cursor in the app_server

	if (data == NULL
		|| data[0] != 16	// size
		|| data[1] != 1		// depth
		|| data[2] >= 16 || data[3] >= 16)	// hot-spot
		return;

	// Send data directly to server
	BPrivate::AppServerLink link;
	link.StartMessage(AS_CREATE_CURSOR);
	link.Attach(cursorData, 68);

	status_t status;
	if (link.FlushWithReply(status) == B_OK && status == B_OK) {
		link.Read<int32>(&fServerToken);
		fNeedToFree = true;
	}
}

void
BFont::GetStringWidths(const char* stringArray[], const int32 lengthArray[],
	int32 numStrings, float widthArray[]) const
{
	if (stringArray == NULL || lengthArray == NULL || numStrings < 1
		|| widthArray == NULL) {
		return;
	}

	BPrivate::AppServerLink link;
	link.StartMessage(AS_GET_STRING_WIDTHS);
	link.Attach<uint16>(fFamilyID);
	link.Attach<uint16>(fStyleID);
	link.Attach<float>(fSize);
	link.Attach<uint8>(fSpacing);
	link.Attach<int32>(numStrings);

	// TODO: all strings into a single array???
	// we do have a maximum message length, and it could be easily touched
	// here...
	for (int32 i = 0; i < numStrings; i++)
		link.AttachString(stringArray[i], lengthArray[i]);

	status_t status;
	if (link.FlushWithReply(status) != B_OK || status != B_OK)
		return;

	link.Read(widthArray, sizeof(float) * numStrings);
}

void
BFont::GetHeight(font_height* _height) const
{
	if (_height == NULL)
		return;

	if (fHeight.ascent == kUninitializedAscent) {
		// we don't have the font height cached yet
		BPrivate::AppServerLink link;

		link.StartMessage(AS_GET_FONT_HEIGHT);
		link.Attach<uint16>(fFamilyID);
		link.Attach<uint16>(fStyleID);
		link.Attach<float>(fSize);

		int32 code;
		if (link.FlushWithReply(code) != B_OK || code != B_OK)
			return;

		// Who put that "const" to this method? :-)
		// We made fHeight mutable for this, but we should drop the "const"
		// when we can
		link.Read<font_height>(&fHeight);
	}

	*_height = fHeight;
}

status_t
get_window_order(int32 workspace, int32** _tokens, int32* _count)
{
	BPrivate::AppServerLink link;

	link.StartMessage(AS_GET_WINDOW_ORDER);
	link.Attach<int32>(workspace);

	int32 code;
	status_t status = link.FlushWithReply(code);
	if (status != B_OK)
		return status;
	if (code != B_OK)
		return code;

	int32 count;
	link.Read<int32>(&count);

	*_tokens = (int32*)malloc(count * sizeof(int32));
	if (*_tokens == NULL)
		return B_NO_MEMORY;

	link.Read(*_tokens, count * sizeof(int32));
	*_count = count;
	return B_OK;
}

status_t
get_mouse(BPoint* screenWhere, uint32* buttons)
{
	if (screenWhere == NULL && buttons == NULL)
		return B_BAD_VALUE;

	BPrivate::AppServerLink link;
	link.StartMessage(AS_GET_CURSOR_POSITION);
	
	int32 code;
	status_t ret = link.FlushWithReply(code);
	if (ret != B_OK)
		return ret;
	if (code != B_OK)
		return code;

	if (screenWhere != NULL)
		ret = link.Read<BPoint>(screenWhere);
	else {
		BPoint dummy;
		ret = link.Read<BPoint>(&dummy);
	}
	if (ret != B_OK)
		return ret;

	if (buttons != NULL)
		ret = link.Read<uint32>(buttons);
	else {
		uint32 dummy;
		ret = link.Read<uint32>(&dummy);
	}

	return ret;
}

void
set_accept_first_click(bool acceptFirstClick)
{
	BPrivate::AppServerLink link;
	link.StartMessage(AS_SET_ACCEPT_FIRST_CLICK);
	link.Attach<bool>(acceptFirstClick);
	link.Flush();
}