VOID i8042MouHandleButtons	(	IN PI8042_MOUSE_EXTENSION	DeviceExtension,
		IN USHORT	Mask
	)

Definition at line 186 of file mouse.c.

Referenced by i8042MouHandle(), and i8042MouHandlePs2pp().

{
    PMOUSE_INPUT_DATA MouseInput;
    USHORT NewButtonData;
    USHORT ButtonDiff;

    MouseInput = DeviceExtension->MouseBuffer + DeviceExtension->MouseInBuffer;
    NewButtonData = (USHORT)(MouseInput->RawButtons & Mask);
    ButtonDiff = (NewButtonData ^ DeviceExtension->MouseButtonState) & Mask;

    /* Note that the defines are such:
     * MOUSE_LEFT_BUTTON_DOWN 1
     * MOUSE_LEFT_BUTTON_UP   2
     */
    MouseInput->ButtonFlags |= (NewButtonData & ButtonDiff) |
        (((~(NewButtonData)) << 1) & (ButtonDiff << 1)) |
        (MouseInput->RawButtons & 0xfc00);

    INFO_(I8042PRT, "Left raw/up/down: %u/%u/%u\n",
        MouseInput->RawButtons & MOUSE_LEFT_BUTTON_DOWN,
        MouseInput->ButtonFlags & MOUSE_LEFT_BUTTON_DOWN,
        MouseInput->ButtonFlags & MOUSE_LEFT_BUTTON_UP);

    DeviceExtension->MouseButtonState =
        (DeviceExtension->MouseButtonState & ~Mask) | (NewButtonData & Mask);
}

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