HCTX PenAPI::open(HWND hwnd)
{
if (!m_wintabLib && !loadWintab())
return nullptr;
LOGCONTEXTW logctx;
memset(&logctx, 0, sizeof(LOGCONTEXTW));
UINT infoRes = WTInfo(WTI_DEFSYSCTX, 0, &logctx);
ASSERT(infoRes == sizeof(LOGCONTEXTW));
ASSERT(logctx.lcOptions & CXO_SYSTEM);
logctx.lcOptions =
CXO_SYSTEM |
CXO_MESSAGES |
CXO_CSRMESSAGES;
logctx.lcPktData = PACKETDATA;
logctx.lcPktMode = PACKETMODE;
logctx.lcMoveMask = PACKETDATA;
HCTX ctx = WTOpen(hwnd, &logctx, TRUE);
if (!ctx) {
LOG("Error attaching pen to display\n");
return nullptr;
}
LOG("Pen attached to display\n");
return ctx;
}
TabletSupport::TabletSupport(QWidget *window)
:wintab_module(nullptr),
window_(window),
logContext(nullptr)
{
if(!loadWintab()) {
return;
}
if(!mapWintabFuns()){
qCritical()<<"Error with function mapping!";
return;
}
if(!hasDevice()){
qCritical()<<"No Device found!";
return;
}
logContext = new tagLOGCONTEXTA;
auto handle = (HWND)window_->winId();
callFunc().ptrWTInfoA(WTI_DEFSYSCTX, 0, logContext);
logContext->lcOptions |= CXO_MESSAGES;
logContext->lcMoveMask = PACKETDATA;
logContext->lcBtnUpMask = logContext->lcBtnDnMask;
AXIS TabletX;
AXIS TabletY;
callFunc().ptrWTInfoA( WTI_DEVICES, DVC_X, &TabletX );
callFunc().ptrWTInfoA( WTI_DEVICES, DVC_Y, &TabletY );
logContext->lcInOrgX = 0;
logContext->lcInOrgY = 0;
logContext->lcInExtX = TabletX.axMax;
logContext->lcInExtY = TabletY.axMax;
/* output the data in screen coords */
logContext->lcOutOrgX = logContext->lcOutOrgY = 0;
logContext->lcOutExtX = GetSystemMetrics(SM_CXSCREEN);
/* move origin to upper left */
logContext->lcOutExtY = -GetSystemMetrics(SM_CYSCREEN);
logContext->lcPktData = PACKETDATA;
logContext->lcPktMode = PACKETMODE;
tabapis.context_ = callFunc().ptrWTOpenA(handle,
(LPLOGCONTEXTA)logContext,
true);
}