LOCAL void PrsInit()
//////////////////////////////////////////////////////////////////////////////
{
AXIS np;
LOGCONTEXT lc;
BYTE logBtns[32];
UINT btnMarks[2];
UINT size;
// discover the LOGICAL button generated by the pressure channel
// get the PHYSICAL button from the cursor category and run it
// through that cursor's button map ( usually the identity map )
wPrsBtn = ( UINT ) - 1;
WTInfo( WTI_CURSORS + wActiveCsr, CSR_NPBUTTON, &wPrsBtn );
size = WTInfo( WTI_CURSORS + wActiveCsr, CSR_BUTTONMAP, &logBtns );
if( wPrsBtn < size )
wPrsBtn = logBtns[ wPrsBtn ];
// get the current context for its device variable
WTGet( hContext, &lc );
// get the size of the pressure axis
WTInfo( WTI_DEVICES + lc.lcDevice, DVC_NPRESSURE, &np );
prsNoBtnOrg = ( UINT )np.axMin;
prsNoBtnExt = ( UINT )np.axMax - ( UINT )np.axMin;
// get the button marks ( up & down generation thresholds )
// and calculate what pressure range we get when pressure-button is down.
WTInfo( WTI_CURSORS + wActiveCsr, CSR_NPBTNMARKS, btnMarks );
prsYesBtnOrg = btnMarks[ 1 ];
prsYesBtnExt = ( UINT )np.axMax - btnMarks[ 1 ];
}
BOOL TabletStart()
// This function must be called before any mouse activity to stop the Wintab
// default context from preempting packet activity.
//////////////////////////////////////////////////////////////////////////////
{
LOGCONTEXT lcPictPub;
BOOL bSuccess = FALSE;
if( Control.UseTablet && ( hContext == NULL )) // context not created yet
{
WORD errormode = SetErrorMode( SEM_NOOPENFILEERRORBOX );
// check if WinTab available
bSuccess = WTInfo( 0, 0, NULL );
if( !bSuccess )
return( FALSE );
SetErrorMode( errormode );
// get default region
bSuccess = WTInfo( WTI_DEFSYSCTX, 0, &lcPictPub );
if( !bSuccess )
return( FALSE );
// modify the digitizing region
lstrcpy( lcPictPub.lcName, "PPLogContext" );
lcPictPub.lcOptions |= CXO_MESSAGES;
lcPictPub.lcPktData = PACKETDATA;
lcPictPub.lcPktMode = PACKETMODE;
lcPictPub.lcMoveMask = PACKETDATA;
lcPictPub.lcBtnUpMask = lcPictPub.lcBtnDnMask;
lcPictPub.lcOutOrgX = lcPictPub.lcOutOrgY = 0;
// X axis origin is the same as in Windows.
// Y axis is reversed because WinTab origin is at lower-left
lcPictPub.lcOutExtX = GetSystemMetrics( SM_CXSCREEN );
lcPictPub.lcOutExtY = -GetSystemMetrics( SM_CYSCREEN );
// open the region
hContext = WTOpen( AfxGetMainWnd()->GetSafeHwnd(), &lcPictPub, TRUE );
if( !hContext || !( SetTabletQueueSize( NPACKETQSIZE )))
return( FALSE );
}
return( Control.UseTablet );
}
BOOL moTablet::IsTabletInstalled()
{
struct tagAXIS TpOri[3]; // The capabilities of tilt (required)
double dblTpvar; // A temp for converting fix to double (for example)
BOOL bReturn = TRUE;
// check if WinTab available.
if (!WTInfo(0, 0, NULL))
{
MODebug2->Push("WinTab Services Not Available.");
bReturn = FALSE;
}
if (bReturn)
{
// get info about tilt
t_bTiltSupport = WTInfo(WTI_DEVICES,DVC_ORIENTATION,&TpOri);
if (t_bTiltSupport)
{
//used for example
// does the tablet support azimuth and altitude
if (TpOri[0].axResolution && TpOri[1].axResolution) {
// convert azimuth resulution to double
dblTpvar = FIX_DOUBLE(TpOri[0].axResolution);
// convert from resolution to radians
t_dblAziFactor = dblTpvar/(2*moMathf::PI);
// convert altitude resolution to double
dblTpvar = FIX_DOUBLE(TpOri[1].axResolution);
// scale to arbitrary value to get decent line length
t_dblAltFactor = dblTpvar/1000;
// adjust for maximum value at vertical
t_dblAltAdjust = (double)TpOri[1].axMax/t_dblAltFactor;
}
//end of used for example
}
else { // no so don't do tilt stuff
t_bTiltSupport = FALSE;
MODebug2->Push("Tablet does NOT supports tilt!");
} //end tilt support
} //end does tablet exists
return bReturn;
}
/* return scaling factors in thousandths of cm per axis unit */
static void TabletScaling(FIX32 scale[])
{
AXIS aXY[2];
int i;
UINT wDevice;
/* get the data */
WTInfo(WTI_DEFCONTEXT, CTX_DEVICE, &wDevice);
WTInfo(WTI_DEVICES+wDevice, DVC_X, &aXY[0]);
WTInfo(WTI_DEVICES+wDevice, DVC_Y, &aXY[1]);
/* calculate the scaling factors */
for (i = 0; i < 2; i++) {
FIX_DIV(scale[i], CASTFIX32(1000), aXY[i].axResolution);
if (aXY[i].axUnits == TU_INCHES) {
FIX_MUL(scale[i], scale[i], Inch2Cm);
}
}
}
moText moTablet::GetTabletName()
{
char chrWName[50]; // String to hold window name
#ifdef MO_WIN32
WTInfo(WTI_DEVICES, DVC_NAME, chrWName);
#endif
moText strName = chrWName;
return strName;
}
void
set_xBtnMap( HWND hWnd, HMGR hMgr )
{
FARPROC lpProcDlg;
xBtn_info info;
unsigned i;
int tag;
/* Open a dialog to choose which cursor to use. */
lpProcDlg = MakeProcInstance( CursInfoDlgProc, hInst );
info.wCsr = DialogBoxParam( hInst, MAKEINTRESOURCE(IDD_INFOLIST),
hWnd, lpProcDlg, WTI_CURSORS );
FreeProcInstance( lpProcDlg );
if( info.wCsr != 0xffffffff ) {
/* Find xBtnMask info */
i = 0;
while( WTInfo( WTI_EXTENSIONS + i, EXT_TAG, &tag ) && tag != WTX_XBTNMASK )
i++;
if( tag != WTX_XBTNMASK )
MessageBox( hWnd, "XBTNMASK extension not supported.", "MgrTest", MB_ICONHAND | MB_OK );
/* Read the xBtn map info */
if( !WTInfo( WTI_EXTENSIONS + i, EXT_CURSORS + info.wCsr, info.sysBtns ) )
MessageBox( hWnd, "This cursor does not support XBTNMASK.", "MgrTest", MB_ICONHAND | MB_OK );
else {
int id;
/* Start the XBUTTONS dialog */
lpProcDlg = MakeProcInstance( xButtonDlgProc, hInst );
id = DialogBoxParam( hInst, MAKEINTRESOURCE(IDD_XBUTTONS),
hWnd, lpProcDlg, (long)&info );
FreeProcInstance( lpProcDlg );
if( id == IDOK )
if( !WTMgrCsrExt( hMgr, info.wCsr, WTX_XBTNMASK, info.sysBtns ) )
MessageBox( hWnd, "WTMgrCsrExt failed.", "MgrTest", MB_ICONHAND | MB_OK );
}
}
}
HCTX moTablet::InitTablet(HWND hWnd)
{
//TABLET: get current settings as a starting point for this context of the tablet.
//WTInfo(WTI_DEFCONTEXT, 0, &lcMine); // default settings may be different to current settings
WTInfo(WTI_DEFSYSCTX, 0, &lcMine); // current settings as set in control panel
lcMine.lcOptions |= CXO_MESSAGES; // keep existing options and make sure message handling is on for this context
//TABLET: PACKETDATA must be defined FIRST before including pktdef.h. See the header file of this class for more details
lcMine.lcPktData = PACKETDATA; // these settings MUST be defined in the pktdef.h file, see notes
lcMine.lcPktMode = PACKETMODE;
lcMine.lcMoveMask = PACKETDATA;
return WTOpen(hWnd, &lcMine, TRUE);
}
/* -------------------------------------------------------------------------- */
HCTX static NEAR TabletInit(HWND hWnd, FIX32 scale[])
{
LOGCONTEXT lcMine;
/* get default region */
WTInfo(WTI_DEFCONTEXT, 0, &lcMine);
/* modify the digitizing region */
strcpy(lcMine.lcName, "Rule Digitizing");
lcMine.lcPktData = PACKETDATA;
lcMine.lcPktMode = PACKETMODE;
lcMine.lcMoveMask = 0;
lcMine.lcBtnUpMask = lcMine.lcBtnDnMask;
/* output in 1000ths of cm */
lcMine.lcOutOrgX = lcMine.lcOutOrgY = 0;
lcMine.lcOutExtX = INT(scale[0] * lcMine.lcInExtX);
lcMine.lcOutExtY = INT(scale[1] * lcMine.lcInExtY);
/* open the region */
return WTOpen(hWnd, &lcMine, TRUE);
}
