added watching channel

src/widgets/helper/channelview.cpp

@@ -341,6 +341,7 @@ void ChannelView::setChannel(ChannelPtr newChannel)
     if (this->channel) {
         this->detachChannel();
     }
+
     this->messages.clear();
 
     // on new message
@@ -445,15 +446,10 @@ void ChannelView::setChannel(ChannelPtr newChannel)
 
 void ChannelView::detachChannel()
 {
-    // on message added
-    if (this->messageAppendedConnection.isConnected()) {
-        this->messageAppendedConnection.disconnect();
-    }
-
-    // on message removed
-    if (this->messageRemovedConnection.isConnected()) {
-        this->messageRemovedConnection.disconnect();
-    }
+    messageAppendedConnection.disconnect();
+    messageAddedAtStartConnection.disconnect();
+    messageRemovedConnection.disconnect();
+    messageReplacedConnection.disconnect();
 }
 
 void ChannelView::pause(int msecTimeout)

src/widgets/helper/channelview.hpp

@@ -129,6 +129,7 @@ private:
     pajlada::Signals::Connection layoutConnection;
 
     std::vector<pajlada::Signals::ScopedConnection> managedConnections;
+    std::vector<pajlada::Signals::ScopedConnection> channelConnections;
 
     std::unordered_set<std::shared_ptr<messages::MessageLayout>> messagesOnScreen;
 

src/widgets/helper/splitheader.cpp

@@ -154,14 +154,14 @@ void SplitHeader::scaleChangedEvent(float scale)
 
 void SplitHeader::updateChannelText()
 {
-    const QString channelName = this->split->getChannel()->name;
+    auto channel = this->split->getChannel();
+
+    const QString channelName = channel->name;
     if (channelName.isEmpty()) {
         this->titleLabel->setText("<no channel>");
         return;
     }
 
-    auto channel = this->split->getChannel();
-
     TwitchChannel *twitchChannel = dynamic_cast<TwitchChannel *>(channel.get());
 
     if (twitchChannel != nullptr) {

src/widgets/helper/splitinput.cpp

@@ -21,7 +21,7 @@ SplitInput::SplitInput(Split *_chatWidget)
 {
     this->initLayout();
 
-    auto completer = new QCompleter(&this->chatWidget->getChannel()->completionModel);
+    auto completer = new QCompleter(&this->chatWidget->getChannel().get()->completionModel);
     this->ui.textEdit->setCompleter(completer);
 
     this->chatWidget->channelChanged.connect([this] {