Bug 800

Using WM_TOUCH messages should work both under Windows 7 and 8:
http://msdn.microsoft.com/en-us/library/windows/desktop/dd317341%28v=vs.85%29.aspx

(In reply to comment #1)
> Using WM_TOUCH messages should work both under Windows 7 and 8:
> http://msdn.microsoft.com/en-us/library/windows/desktop/dd317341%28v=vs.
> 85%29.aspx

If that is true .. and multi touch is supported .. I guess we are good - puhh :)
Will check this later on.

You can handle the gestures too but with another message.

GlueGen native compilation: Enable Win 7 definitions via WINVER/_WIN32_NT 0x0601

Success w/ WM_TOUCH:

- availability detection
- enabling if available
- retrieving multi-touch events
  - multiple pointer per one WM_TOUCH

So the worst scenario, i.e. new windows API is off the table - great.

Now working on parsing the multiple pointer
of one WM_TOUCH to produce a valid NEWT 'pointer event'.

(validated w/ desktop Win7 and Surface Win8)

    Native:
     - WindowUserData tracks:
        - window size
        - mouse inside
        - pointer touch-down count
       and flags whether multiple-touch is supported.
    
     - Suppress WM_*BUTTON* events if within TOUCH operations, e.g. fingers are pressed, or
       if event is determined as TOUCH (0 != GetMessageExtraInfo())
    
     - MOUSEMOVE issues NewtWindows_trackPointerLeave(..) directly
       if no TOUCH operation is in process.
       Removes need for MouseListener on Java side.
    
     - TOUCH events are send as follows:
         - PRIMARY first
         - 1 MOVE 2nd (if not sent already)
         - UP/DOWN (if not sent already)
    
       We only send max. one MOVE event, since Win7 / Win8
       assignes MOVE per default, even if no actual move happened.
       Hence a single MOVE event shall suffice and is compatible
       w/ e.g. Android (AFAIK).
    
     - TOUCH pointer names are mapped to consecutive IDs
       on the java side.

Windows 7 Touch Event Support for NEWT: Fix Focus and LBUTTON[DOWN|UP] issues
    
    - w/ TOUCH, Win8 may steal focus (KILLFOCUS), quickly grab FOCUS again when on TOUCH operation
    
    - track 'touchDownLastUp', and don't act on LBUTTON[UP|DOWN] and MOUSEMOVE if just lifted last finger
    
    - don't use GetMessageExtraInfo() to distinguish MOUSE/TOUCH, simply use tracked touchDownCount
    
    - Also track mouseInside in TOUCH operation, i.e. true if _all_ fingers are inside,
      otherwise don't send TOUCH event