Migrate tslib to new plugin format

Also rename the binary and avoid crashes when tslib initialization
fails.

Change-Id: Ia7ccf7c997e1b1484bd475626ca16c9a9642466e
Reviewed-by: Samuel Rødal <samuel.rodal@nokia.com>

src/plugins/generic/tslib/main.cpp

@@ -46,6 +46,9 @@ QT_BEGIN_NAMESPACE
 
 class QTsLibPlugin : public QGenericPlugin
 {
+    Q_OBJECT
+    Q_PLUGIN_METADATA(IID "org.qt-project.Qt.QGenericPluginFactoryInterface" FILE "tslib.json")
+
 public:
     QTsLibPlugin();
 
@@ -73,6 +76,6 @@ QObject* QTsLibPlugin::create(const QString &key,
     return 0;
 }
 
-Q_EXPORT_PLUGIN2(qtslibplugin, QTsLibPlugin)
-
 QT_END_NAMESPACE
+
+#include "main.moc"

src/plugins/generic/tslib/qtslib.cpp

@@ -69,12 +69,15 @@ QTsLibMouseHandler::QTsLibMouseHandler(const QString &key,
         device = specification.toLocal8Bit();
 
     m_dev = ts_open(device.constData(), 1);
+    if (!m_dev) {
+        qErrnoWarning(errno, "ts_open() failed");
+        return;
+    }
 
     if (ts_config(m_dev)) {
         perror("Error configuring\n");
     }
 
-
     m_rawMode =  !key.compare(QLatin1String("TslibRaw"), Qt::CaseInsensitive);
 
     int fd = ts_fd(m_dev);

src/plugins/generic/tslib/tslib.json

@@ -0,0 +1,3 @@
+{
+    "Keys": [ "Tslib", "TslibRaw" ]
+}

src/plugins/generic/tslib/tslib.pro

@@ -1,4 +1,4 @@
-TARGET = qlinuxinputplugin
+TARGET = qtslibplugin
 load(qt_plugin)
 
 DESTDIR = $$QT.gui.plugins/generic
@@ -11,3 +11,5 @@ SOURCES	= main.cpp \
 	qtslib.cpp
 
 LIBS += -lts
+
+OTHER_FILES += tslib.json