uisupport: Provide helpers for dealing with widget changes

[quassel.git] / src / common / signalproxy.cpp

diff --git a/src/common/signalproxy.cpp b/src/common/signalproxy.cpp
index 721f32a..a629551 100644 (file)
--- a/src/common/signalproxy.cpp
+++ b/src/common/signalproxy.cpp
@@ -18,6 +18,8 @@
  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
  ***************************************************************************/
 
+#include <utility>
+
 #include <QCoreApplication>
 #include <QHostAddress>
 #include <QMetaMethod>
@@ -59,18 +61,18 @@ public:
     SignalRelay(SignalProxy *parent) : QObject(parent), _proxy(parent) {}
     inline SignalProxy *proxy() const { return _proxy; }
 
-    int qt_metacall(QMetaObject::Call _c, int _id, void **_a);
+    int qt_metacall(QMetaObject::Call _c, int _id, void **_a) override;
 
     void attachSignal(QObject *sender, int signalId, const QByteArray &funcName);
     void detachSignal(QObject *sender, int signalId = -1);
 
 private:
     struct Signal {
-        QObject *sender;
-        int signalId;
+        QObject *sender{nullptr};
+        int signalId{-1};
         QByteArray signature;
-        Signal(QObject *sender, int sigId, const QByteArray &signature) : sender(sender), signalId(sigId), signature(signature) {}
-        Signal() : sender(0), signalId(-1) {}
+        Signal(QObject *sender, int sigId, QByteArray signature) : sender(sender), signalId(sigId), signature(std::move(signature)) {}
+        Signal() = default;
     };
 
     SignalProxy *_proxy;
@@ -286,11 +288,11 @@ bool SignalProxy::addPeer(Peer *peer)
             qWarning("SignalProxy: only one peer allowed in client mode!");
             return false;
         }
-        connect(peer, SIGNAL(lagUpdated(int)), SIGNAL(lagUpdated(int)));
+        connect(peer, &Peer::lagUpdated, this, &SignalProxy::lagUpdated);
     }
 
-    connect(peer, SIGNAL(disconnected()), SLOT(removePeerBySender()));
-    connect(peer, SIGNAL(secureStateChanged(bool)), SLOT(updateSecureState()));
+    connect(peer, &Peer::disconnected, this, &SignalProxy::removePeerBySender);
+    connect(peer, &Peer::secureStateChanged, this, &SignalProxy::updateSecureState);
 
     if (!peer->parent())
         peer->setParent(this);
@@ -340,8 +342,8 @@ void SignalProxy::removePeer(Peer *peer)
         return;
     }
 
-    disconnect(peer, 0, this, 0);
-    peer->setSignalProxy(0);
+    disconnect(peer, nullptr, this, nullptr);
+    peer->setSignalProxy(nullptr);
 
     _peerMap.remove(peer->id());
     emit peerRemoved(peer);
@@ -386,7 +388,7 @@ void SignalProxy::objectRenamed(const QByteArray &classname, const QString &newn
 
 const QMetaObject *SignalProxy::metaObject(const QObject *obj)
 {
-    if (const SyncableObject *syncObject = qobject_cast<const SyncableObject *>(obj))
+    if (const auto *syncObject = qobject_cast<const SyncableObject *>(obj))
         return syncObject->syncMetaObject();
     else
         return obj->metaObject();
@@ -398,7 +400,7 @@ SignalProxy::ExtendedMetaObject *SignalProxy::extendedMetaObject(const QMetaObje
     if (_extendedMetaObjects.contains(meta))
         return _extendedMetaObjects[meta];
     else
-        return 0;
+        return nullptr;
 }
 
 
@@ -424,8 +426,8 @@ bool SignalProxy::attachSignal(QObject *sender, const char *signal, const QByteA
     createExtendedMetaObject(meta);
     _signalRelay->attachSignal(sender, methodId, sigName);
 
-    disconnect(sender, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
-    connect(sender, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
+    disconnect(sender, &QObject::destroyed, this, &SignalProxy::detachObject);
+    connect(sender, &QObject::destroyed, this, &SignalProxy::detachObject);
     return true;
 }
 
@@ -444,8 +446,8 @@ bool SignalProxy::attachSlot(const QByteArray &sigName, QObject *recv, const cha
     QByteArray funcName = QMetaObject::normalizedSignature(sigName.constData());
     _attachedSlots.insert(funcName, qMakePair(recv, methodId));
 
-    disconnect(recv, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
-    connect(recv, SIGNAL(destroyed(QObject *)), this, SLOT(detachObject(QObject *)));
+    disconnect(recv, &QObject::destroyed, this, &SignalProxy::detachObject);
+    connect(recv, &QObject::destroyed, this, &SignalProxy::detachObject);
     return true;
 }
 
@@ -662,9 +664,9 @@ bool SignalProxy::invokeSlot(QObject *receiver, int methodId, const QVariantList
         return false;
     }
 
-    void *_a[] = { 0,           // return type...
-                   0, 0, 0, 0, 0, // and 10 args - that's the max size qt can handle with signals and slots
-                   0, 0, 0, 0, 0 };
+    void *_a[] = { nullptr,           // return type...
+                   nullptr, nullptr, nullptr, nullptr, nullptr, // and 10 args - that's the max size qt can handle with signals and slots
+                   nullptr, nullptr, nullptr, nullptr, nullptr };
 
     // check for argument compatibility and build params array
     for (int i = 0; i < numArgs; i++) {
@@ -738,7 +740,7 @@ void SignalProxy::customEvent(QEvent *event)
 {
     switch ((int)event->type()) {
     case RemovePeerEvent: {
-        ::RemovePeerEvent *e = static_cast< ::RemovePeerEvent *>(event);
+        auto *e = static_cast< ::RemovePeerEvent *>(event);
         removePeer(e->peer);
         event->accept();
         break;
@@ -786,7 +788,7 @@ void SignalProxy::disconnectDevice(QIODevice *dev, const QString &reason)
 {
     if (!reason.isEmpty())
         qWarning() << qPrintable(reason);
-    QAbstractSocket *sock  = qobject_cast<QAbstractSocket *>(dev);
+    auto *sock  = qobject_cast<QAbstractSocket *>(dev);
     if (sock)
         qWarning() << qPrintable(tr("Disconnecting")) << qPrintable(sock->peerAddress().toString());
     dev->close();