File indexing completed on 2024-04-14 04:51:48

 /**
  * SPDX-FileCopyrightText: 2017 Holger Kaelberer <holger.k@elberer.de>
  *
  * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
  */
 
 #include "remotekeyboardplugin.h"
 #include "plugin_remotekeyboard_debug.h"
 #include <KPluginFactory>
 #include <QDebug>
 #include <QKeySequence>
 #include <QString>
 #include <QVariantMap>
 
 K_PLUGIN_CLASS_WITH_JSON(RemoteKeyboardPlugin, "kdeconnect_remotekeyboard.json")
 
 // Mapping of Qt::Key to internal codes, corresponds to the mapping in mousepadplugin
 QMap<int, int> specialKeysMap = {
     // 0,              // Invalid
     {Qt::Key_Backspace, 1},
     {Qt::Key_Tab, 2},
     // XK_Linefeed,    // 3
     {Qt::Key_Left, 4},
     {Qt::Key_Up, 5},
     {Qt::Key_Right, 6},
     {Qt::Key_Down, 7},
     {Qt::Key_PageUp, 8},
     {Qt::Key_PageDown, 9},
     {Qt::Key_Home, 10},
     {Qt::Key_End, 11},
     {Qt::Key_Return, 12},
     {Qt::Key_Enter, 12},
     {Qt::Key_Delete, 13},
     {Qt::Key_Escape, 14},
     {Qt::Key_SysReq, 15},
     {Qt::Key_ScrollLock, 16},
     // 0,              // 17
     // 0,              // 18
     // 0,              // 19
     // 0,              // 20
     {Qt::Key_F1, 21},
     {Qt::Key_F2, 22},
     {Qt::Key_F3, 23},
     {Qt::Key_F4, 24},
     {Qt::Key_F5, 25},
     {Qt::Key_F6, 26},
     {Qt::Key_F7, 27},
     {Qt::Key_F8, 28},
     {Qt::Key_F9, 29},
     {Qt::Key_F10, 30},
     {Qt::Key_F11, 31},
     {Qt::Key_F12, 32},
 };
 
 RemoteKeyboardPlugin::RemoteKeyboardPlugin(QObject *parent, const QVariantList &args)
     : KdeConnectPlugin(parent, args)
     , m_remoteState(false)
 {
 }
 
 void RemoteKeyboardPlugin::receivePacket(const NetworkPacket &np)
 {
     if (np.type() == PACKET_TYPE_MOUSEPAD_ECHO) {
         if (!np.has(QStringLiteral("isAck")) || !np.has(QStringLiteral("key"))) {
             qCWarning(KDECONNECT_PLUGIN_REMOTEKEYBOARD) << "Invalid packet of type" << PACKET_TYPE_MOUSEPAD_ECHO;
             return;
         }
         //        qCWarning(KDECONNECT_PLUGIN_REMOTEKEYBOARD) << "Received keypress" << np;
         Q_EMIT keyPressReceived(np.get<QString>(QStringLiteral("key")),
                                 np.get<int>(QStringLiteral("specialKey"), 0),
                                 np.get<int>(QStringLiteral("shift"), false),
                                 np.get<int>(QStringLiteral("ctrl"), false),
                                 np.get<int>(QStringLiteral("alt"), 0));
     } else if (np.type() == PACKET_TYPE_MOUSEPAD_KEYBOARDSTATE) {
         //        qCWarning(KDECONNECT_PLUGIN_REMOTEKEYBOARD) << "Received keyboardstate" << np;
         if (m_remoteState != np.get<bool>(QStringLiteral("state"))) {
             m_remoteState = np.get<bool>(QStringLiteral("state"));
             Q_EMIT remoteStateChanged(m_remoteState);
         }
     }
 }
 
 void RemoteKeyboardPlugin::sendKeyPress(const QString &key, int specialKey, bool shift, bool ctrl, bool alt, bool sendAck) const
 {
     NetworkPacket np(PACKET_TYPE_MOUSEPAD_REQUEST,
                      {{QStringLiteral("key"), key},
                       {QStringLiteral("specialKey"), specialKey},
                       {QStringLiteral("shift"), shift},
                       {QStringLiteral("ctrl"), ctrl},
                       {QStringLiteral("alt"), alt},
                       {QStringLiteral("sendAck"), sendAck}});
     sendPacket(np);
 }
 
 void RemoteKeyboardPlugin::sendQKeyEvent(const QVariantMap &keyEvent, bool sendAck) const
 {
     if (!keyEvent.contains(QStringLiteral("key"))) {
         return;
     }
     const int key = keyEvent.value(QStringLiteral("key")).toInt();
     int k = translateQtKey(key);
     int modifiers = keyEvent.value(QStringLiteral("modifiers")).toInt();
 
     // Qt will be calling xkb_state_key_get_utf8 to create this string.
     // As documented, it will be giving us weird strings with Ctrl combinations:
     // https://xkbcommon.org/doc/current/group__keysyms.html
     // Instead, just use QKeySequence to tell us which key that is and move on
     QString text = keyEvent.value(QStringLiteral("text")).toString();
     if (!text.isEmpty() && !text[0].isLetterOrNumber() && text != QLatin1String(" ")) {
         text = QKeySequence(key).toString().toLower();
     }
 
     sendKeyPress(text, k, modifiers & Qt::ShiftModifier, modifiers & Qt::ControlModifier, modifiers & Qt::AltModifier, sendAck);
 }
 
 int RemoteKeyboardPlugin::translateQtKey(int qtKey) const
 {
     return specialKeysMap.value(qtKey, 0);
 }
 
 QString RemoteKeyboardPlugin::dbusPath() const
 {
     return QLatin1String("/modules/kdeconnect/devices/%1/remotekeyboard").arg(device()->id());
 }
 
 #include "moc_remotekeyboardplugin.cpp"
 #include "remotekeyboardplugin.moc"