public static bool GetRawInputData(IntPtr hRawInput,
ref RAWINPUTHEADER header,
ref RAWMOUSE mouse,
ref RAWKEYBOARD keyboard,
ref RAWHID hid)
{
int iSize = 0;
GetRawInputData(hRawInput, 0x10000003, IntPtr.Zero, ref iSize, Marshal.SizeOf <RAWINPUTHEADER>()); // RID_INPUT
if (iSize == 0)
{
return(false);
}
IntPtr mem = Marshal.AllocHGlobal(iSize);
if (mem == IntPtr.Zero)
{
return(false);
}
if (GetRawInputData(hRawInput, 0x10000003, mem, ref iSize, Marshal.SizeOf <RAWINPUTHEADER>()) != iSize)
{
Marshal.FreeHGlobal(mem);
return(false);
}
if (Environment.Is64BitProcess)
{
var str = Marshal.PtrToStructure <RAWINPUT64>(mem);
header = str.header;
mouse = str.mouse;
keyboard = str.keyboard;
hid = str.hid;
}
else
{
var str = Marshal.PtrToStructure <RAWINPUT32>(mem);
header = str.header;
mouse = str.mouse;
keyboard = str.keyboard;
hid = str.hid;
}
Marshal.FreeHGlobal(mem);
return(true);
}
private void ProcessRawMouseInput(RAWMOUSE mouse, RAWINPUTHEADER rh)
{
MouseInput?.Invoke(this, new RawMouseInputEventArgs(rh, mouse));
}
public bool Update(RAWMOUSE mouse)
{
if (mouse.Flags != RAWMOUSE.MOUSE.MOVE_RELATIVE)
{
return(false);
}
// Coalesce button events in Buttons status
var buttons = mouse.ButtonFlags;
Buttons |= buttons & (
RAWMOUSE.RI_MOUSE.LEFT_BUTTON_DOWN |
RAWMOUSE.RI_MOUSE.MIDDLE_BUTTON_DOWN |
RAWMOUSE.RI_MOUSE.RIGHT_BUTTON_DOWN |
RAWMOUSE.RI_MOUSE.BUTTON_4_DOWN |
RAWMOUSE.RI_MOUSE.BUTTON_5_DOWN);
// Check UP after DOWN in case both are true in a single coalesced message
if (buttons.HasFlag(RAWMOUSE.RI_MOUSE.LEFT_BUTTON_UP))
{
Buttons &= ~RAWMOUSE.RI_MOUSE.LEFT_BUTTON_DOWN;
}
if (buttons.HasFlag(RAWMOUSE.RI_MOUSE.MIDDLE_BUTTON_UP))
{
Buttons &= ~RAWMOUSE.RI_MOUSE.MIDDLE_BUTTON_DOWN;
}
if (buttons.HasFlag(RAWMOUSE.RI_MOUSE.RIGHT_BUTTON_UP))
{
Buttons &= ~RAWMOUSE.RI_MOUSE.RIGHT_BUTTON_DOWN;
}
if (buttons.HasFlag(RAWMOUSE.RI_MOUSE.BUTTON_4_UP))
{
Buttons &= ~RAWMOUSE.RI_MOUSE.BUTTON_4_DOWN;
}
if (buttons.HasFlag(RAWMOUSE.RI_MOUSE.BUTTON_5_UP))
{
Buttons &= ~RAWMOUSE.RI_MOUSE.BUTTON_5_DOWN;
}
// Update complement to enable MouseButtonsFilter with UP requirements
if (Buttons.HasFlag(RAWMOUSE.RI_MOUSE.LEFT_BUTTON_DOWN))
{
Buttons &= ~RAWMOUSE.RI_MOUSE.LEFT_BUTTON_UP;
}
else
{
Buttons |= RAWMOUSE.RI_MOUSE.LEFT_BUTTON_UP;
}
if (Buttons.HasFlag(RAWMOUSE.RI_MOUSE.MIDDLE_BUTTON_DOWN))
{
Buttons &= ~RAWMOUSE.RI_MOUSE.MIDDLE_BUTTON_UP;
}
else
{
Buttons |= RAWMOUSE.RI_MOUSE.MIDDLE_BUTTON_UP;
}
if (Buttons.HasFlag(RAWMOUSE.RI_MOUSE.RIGHT_BUTTON_DOWN))
{
Buttons &= ~RAWMOUSE.RI_MOUSE.RIGHT_BUTTON_UP;
}
else
{
Buttons |= RAWMOUSE.RI_MOUSE.RIGHT_BUTTON_UP;
}
if (Buttons.HasFlag(RAWMOUSE.RI_MOUSE.BUTTON_4_DOWN))
{
Buttons &= ~RAWMOUSE.RI_MOUSE.BUTTON_4_UP;
}
else
{
Buttons |= RAWMOUSE.RI_MOUSE.BUTTON_4_UP;
}
if (Buttons.HasFlag(RAWMOUSE.RI_MOUSE.BUTTON_5_DOWN))
{
Buttons &= ~RAWMOUSE.RI_MOUSE.BUTTON_5_UP;
}
else
{
Buttons |= RAWMOUSE.RI_MOUSE.BUTTON_5_UP;
}
if (mouse.LastX != 0 ||
mouse.LastY != 0)
{
if (Drag != null)
{
Drag.X += mouse.LastX;
Drag.Y += mouse.LastY;
}
RawMouseMove(new Vector(mouse.LastX, mouse.LastY));
}
return(true);
}
public RawMouseInputEventArgs(RAWINPUTHEADER header, RAWMOUSE data)
{
Header = header;
Data = data;
}
