| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #include "qoutputmapping_p.h" |
| 5 | #include <QFile> |
| 6 | #include <QFileInfo> |
| 7 | #include <QVariantMap> |
| 8 | #include <QJsonDocument> |
| 9 | #include <QJsonObject> |
| 10 | #include <QJsonArray> |
| 11 | |
| 12 | QT_BEGIN_NAMESPACE |
| 13 | |
| 14 | using namespace Qt::StringLiterals; |
| 15 | |
| 16 | static QOutputMapping *s_outputMapping = nullptr; |
| 17 | |
| 18 | QOutputMapping *QOutputMapping::get() |
| 19 | { |
| 20 | if (!s_outputMapping) |
| 21 | s_outputMapping = new QDefaultOutputMapping; |
| 22 | |
| 23 | return s_outputMapping; |
| 24 | } |
| 25 | |
| 26 | bool QOutputMapping::load() |
| 27 | { |
| 28 | return false; |
| 29 | } |
| 30 | |
| 31 | QString QOutputMapping::screenNameForDeviceNode(const QString &deviceNode) |
| 32 | { |
| 33 | Q_UNUSED(deviceNode); |
| 34 | return QString(); |
| 35 | } |
| 36 | |
| 37 | #ifdef Q_OS_WEBOS |
| 38 | QWindow *QOutputMapping::windowForDeviceNode(const QString &deviceNode) |
| 39 | { |
| 40 | Q_UNUSED(deviceNode); |
| 41 | return nullptr; |
| 42 | } |
| 43 | |
| 44 | void QOutputMapping::set(QOutputMapping *mapping) |
| 45 | { |
| 46 | if (s_outputMapping) |
| 47 | delete s_outputMapping; |
| 48 | |
| 49 | s_outputMapping = mapping; |
| 50 | } |
| 51 | #endif // Q_OS_WEBOS |
| 52 | |
| 53 | bool QDefaultOutputMapping::load() |
| 54 | { |
| 55 | static QByteArray configFile = qgetenv(varName: "QT_QPA_EGLFS_KMS_CONFIG"); |
| 56 | if (configFile.isEmpty()) |
| 57 | return false; |
| 58 | |
| 59 | QFile file(QString::fromUtf8(ba: configFile)); |
| 60 | if (!file.open(flags: QFile::ReadOnly)) { |
| 61 | qWarning(msg: "touch input support: Failed to open %s", configFile.constData()); |
| 62 | return false; |
| 63 | } |
| 64 | |
| 65 | const QJsonDocument doc = QJsonDocument::fromJson(json: file.readAll()); |
| 66 | if (!doc.isObject()) { |
| 67 | qWarning(msg: "touch input support: Failed to parse %s", configFile.constData()); |
| 68 | return false; |
| 69 | } |
| 70 | |
| 71 | // What we are interested is the virtualIndex and touchDevice properties for |
| 72 | // each element in the outputs array. |
| 73 | const QJsonArray outputs = doc.object().value(key: "outputs"_L1).toArray(); |
| 74 | for (int i = 0; i < outputs.size(); ++i) { |
| 75 | const QVariantMap output = outputs.at(i).toObject().toVariantMap(); |
| 76 | if (!output.contains(QStringLiteral("touchDevice"))) |
| 77 | continue; |
| 78 | if (!output.contains(QStringLiteral("name"))) { |
| 79 | qWarning(msg: "evdevtouch: Output %d specifies touchDevice but not name, this is wrong", i); |
| 80 | continue; |
| 81 | } |
| 82 | QFileInfo deviceNode(output.value(QStringLiteral("touchDevice")).toString()); |
| 83 | const QString &screenName = output.value(QStringLiteral("name")).toString(); |
| 84 | m_screenTable.insert(key: deviceNode.canonicalFilePath(), value: screenName); |
| 85 | } |
| 86 | |
| 87 | return true; |
| 88 | } |
| 89 | |
| 90 | QString QDefaultOutputMapping::screenNameForDeviceNode(const QString &deviceNode) |
| 91 | { |
| 92 | return m_screenTable.value(key: deviceNode); |
| 93 | } |
| 94 | |
| 95 | QT_END_NAMESPACE |
| 96 |