static inline QTouchDevice *createTouchDevice()
{
enum { QT_SM_TABLETPC = 86, QT_SM_DIGITIZER = 94, QT_SM_MAXIMUMTOUCHES = 95,
QT_NID_INTEGRATED_TOUCH = 0x1, QT_NID_EXTERNAL_TOUCH = 0x02,
QT_NID_MULTI_INPUT = 0x40, QT_NID_READY = 0x80 };
if (QSysInfo::windowsVersion() < QSysInfo::WV_WINDOWS7)
return 0;
const int digitizers = GetSystemMetrics(QT_SM_DIGITIZER);
if (!(digitizers & (QT_NID_INTEGRATED_TOUCH | QT_NID_EXTERNAL_TOUCH)))
return 0;
const int tabletPc = GetSystemMetrics(QT_SM_TABLETPC);
const int maxTouchPoints = GetSystemMetrics(QT_SM_MAXIMUMTOUCHES);
qCDebug(lcQpaEvents) << "Digitizers:" << hex << showbase << (digitizers & ~QT_NID_READY)
<< "Ready:" << (digitizers & QT_NID_READY) << dec << noshowbase
<< "Tablet PC:" << tabletPc << "Max touch points:" << maxTouchPoints;
QTouchDevice *result = new QTouchDevice;
result->setType(digitizers & QT_NID_INTEGRATED_TOUCH
? QTouchDevice::TouchScreen : QTouchDevice::TouchPad);
QTouchDevice::Capabilities capabilities = QTouchDevice::Position | QTouchDevice::Area | QTouchDevice::NormalizedPosition;
if (result->type() == QTouchDevice::TouchPad)
capabilities |= QTouchDevice::MouseEmulation;
result->setCapabilities(capabilities);
result->setMaximumTouchPoints(maxTouchPoints);
return result;
}
void QEvdevTouchScreenData::registerDevice()
{
m_device = new QTouchDevice;
m_device->setName(hw_name);
m_device->setType(QTouchDevice::TouchScreen);
m_device->setCapabilities(QTouchDevice::Position | QTouchDevice::Area);
if (hw_pressure_max > hw_pressure_min)
m_device->setCapabilities(m_device->capabilities() | QTouchDevice::Pressure);
QWindowSystemInterface::registerTouchDevice(m_device);
}
QTouchDevice * QNitpickerPlatformWindow::_init_touch_device()
{
QVector<QWindowSystemInterface::TouchPoint>::iterator i = _touch_points.begin();
for (unsigned n = 0; i != _touch_points.end(); ++i, ++n) {
i->id = n;
i->state = Qt::TouchPointReleased;
}
QTouchDevice *dev = new QTouchDevice;
dev->setName("Genode multi-touch device");
dev->setType(QTouchDevice::TouchScreen);
dev->setCapabilities(QTouchDevice::Position);
QWindowSystemInterface::registerTouchDevice(dev);
return dev;
}
static void touchEnd(JNIEnv */*env*/, jobject /*thiz*/, jint /*winId*/, jint /*action*/)
{
if (m_touchPoints.isEmpty())
return;
QAndroidPlatformIntegration *platformIntegration = QtAndroid::androidPlatformIntegration();
if (!platformIntegration)
return;
QTouchDevice *touchDevice = platformIntegration->touchDevice();
if (touchDevice == 0) {
touchDevice = new QTouchDevice;
touchDevice->setType(QTouchDevice::TouchScreen);
touchDevice->setCapabilities(QTouchDevice::Position
| QTouchDevice::Area
| QTouchDevice::Pressure
| QTouchDevice::NormalizedPosition);
QWindowSystemInterface::registerTouchDevice(touchDevice);
platformIntegration->setTouchDevice(touchDevice);
}
QWindow *window = QtAndroid::topLevelWindowAt(m_touchPoints.at(0).area.center().toPoint());
QWindowSystemInterface::handleTouchEvent(window, touchDevice, m_touchPoints);
}
bool QWindowsContext::initTouch(unsigned integrationOptions)
{
if (d->m_systemInfo & QWindowsContext::SI_SupportsTouch)
return true;
QTouchDevice *touchDevice = d->m_mouseHandler.ensureTouchDevice();
if (!touchDevice)
return false;
#ifndef Q_OS_WINCE
if (!QWindowsContext::user32dll.initTouch()) {
delete touchDevice;
return false;
}
#endif // !Q_OS_WINCE
if (!(integrationOptions & QWindowsIntegration::DontPassOsMouseEventsSynthesizedFromTouch))
touchDevice->setCapabilities(touchDevice->capabilities() | QTouchDevice::MouseEmulation);
QWindowSystemInterface::registerTouchDevice(touchDevice);
d->m_systemInfo |= QWindowsContext::SI_SupportsTouch;
return true;
}
