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tslib: use ts_setup() to find the device

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This automatically searches for some default devices. This not only
reduces the amount of code, it also makes sure that Qt will by default
find the same input devices that tslib (e.g. ts_calibrate) will find.

Fixes: QTBUG-74680
Change-Id: Ied3fff7e8ed9d6637d2b8cf32119660133d251a3
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
This commit is contained in:
Rolf Eike Beer 2019-03-25 12:47:21 +01:00
parent cab6587e5e
commit 093a1a6232
2 changed files with 6 additions and 22 deletions
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2
src/gui/configure.json
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@ -476,7 +476,7 @@
"tslib": {
"label": "tslib",
"test": {
"main": "ts_open(\"foo\", 0);"
"main": "ts_setup(nullptr, 0);"
},
"headers": "tslib.h",
"sources": [

26
src/platformsupport/input/tslib/qtslib.cpp
View File

@ -62,31 +62,15 @@ QTsLibMouseHandler::QTsLibMouseHandler(const QString &key,
qCDebug(qLcTsLib) << "Initializing tslib plugin" << key << specification;
setObjectName(QLatin1String("TSLib Mouse Handler"));
QByteArray device = qgetenv("TSLIB_TSDEVICE");
if (specification.startsWith(QLatin1String("/dev/")))
device = specification.toLocal8Bit();
if (device.isEmpty())
device = QByteArrayLiteral("/dev/input/event1");
m_dev = ts_open(device.constData(), 1);
m_dev = ts_setup(nullptr, 1);
if (!m_dev) {
qErrnoWarning(errno, "ts_open() failed");
qErrnoWarning(errno, "ts_setup() failed");
return;
}
if (ts_config(m_dev))
qErrnoWarning(errno, "ts_config() failed");
int fd = ts_fd(m_dev);
if (fd >= 0) {
qCDebug(qLcTsLib) << "tslib device is" << device;
m_notify = new QSocketNotifier(fd, QSocketNotifier::Read, this);
connect(m_notify, &QSocketNotifier::activated, this, &QTsLibMouseHandler::readMouseData);
} else {
qErrnoWarning(errno, "tslib: Cannot open input device %s", device.constData());
}
qCDebug(qLcTsLib) << "tslib device is" << ts_get_eventpath(m_dev);
m_notify = new QSocketNotifier(ts_fd(m_dev), QSocketNotifier::Read, this);
connect(m_notify, &QSocketNotifier::activated, this, &QTsLibMouseHandler::readMouseData);
}
QTsLibMouseHandler::~QTsLibMouseHandler()