1 files changed, 95 insertions, 0 deletions
diff --git a/src/platformsupport/input/shared/qoutputmapping.cpp b/src/platformsupport/input/shared/qoutputmapping.cpp
new file mode 100644
index 0000000000..c8683958d3
--- /dev/null
+++ b/src/platformsupport/input/shared/qoutputmapping.cpp
@@ -0,0 +1,95 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#include "qoutputmapping_p.h"
+#include <QFile>
+#include <QFileInfo>
+#include <QVariantMap>
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QJsonArray>
+
+QT_BEGIN_NAMESPACE
+
+using namespace Qt::StringLiterals;
+
+static QOutputMapping *s_outputMapping = nullptr;
+
+QOutputMapping *QOutputMapping::get()
+{
+    if (!s_outputMapping)
+        s_outputMapping = new QDefaultOutputMapping;
+
+    return s_outputMapping;
+}
+
+bool QOutputMapping::load()
+{
+   return false;
+}
+
+QString QOutputMapping::screenNameForDeviceNode(const QString &deviceNode)
+{
+    Q_UNUSED(deviceNode);
+    return QString();
+}
+
+#ifdef Q_OS_WEBOS
+QWindow *QOutputMapping::windowForDeviceNode(const QString &deviceNode)
+{
+    Q_UNUSED(deviceNode);
+    return nullptr;
+}
+
+void QOutputMapping::set(QOutputMapping *mapping)
+{
+    if (s_outputMapping)
+        delete s_outputMapping;
+
+    s_outputMapping = mapping;
+}
+#endif // Q_OS_WEBOS
+
+bool QDefaultOutputMapping::load()
+{
+    static QByteArray configFile = qgetenv("QT_QPA_EGLFS_KMS_CONFIG");
+    if (configFile.isEmpty())
+        return false;
+
+    QFile file(QString::fromUtf8(configFile));
+    if (!file.open(QFile::ReadOnly)) {
+        qWarning("touch input support: Failed to open %s", configFile.constData());
+        return false;
+    }
+
+    const QJsonDocument doc = QJsonDocument::fromJson(file.readAll());
+    if (!doc.isObject()) {
+        qWarning("touch input support: Failed to parse %s", configFile.constData());
+        return false;
+    }
+
+    // What we are interested is the virtualIndex and touchDevice properties for
+    // each element in the outputs array.
+    const QJsonArray outputs = doc.object().value("outputs"_L1).toArray();
+    for (int i = 0; i < outputs.size(); ++i) {
+        const QVariantMap output = outputs.at(i).toObject().toVariantMap();
+        if (!output.contains(QStringLiteral("touchDevice")))
+            continue;
+        if (!output.contains(QStringLiteral("name"))) {
+            qWarning("evdevtouch: Output %d specifies touchDevice but not name, this is wrong", i);
+            continue;
+        }
+        QFileInfo deviceNode(output.value(QStringLiteral("touchDevice")).toString());
+        const QString &screenName = output.value(QStringLiteral("name")).toString();
+        m_screenTable.insert(deviceNode.canonicalFilePath(), screenName);
+    }
+
+    return true;
+}
+
+QString QDefaultOutputMapping::screenNameForDeviceNode(const QString &deviceNode)
+{
+    return m_screenTable.value(deviceNode);
+}
+
+QT_END_NAMESPACE