made channels shared_pointers

widgets/chatwidget.cpp

@@ -14,7 +14,7 @@ namespace widgets {
 
 ChatWidget::ChatWidget(QWidget *parent)
     : QWidget(parent)
-    , channel(NULL)
+    , channel(Channels::getEmpty())
     , channelName(QString())
     , vbox(this)
     , header(this)

widgets/chatwidget.h

@@ -29,7 +29,7 @@ public:
         return view;
     }
 
-    Channel *
+    std::shared_ptr<Channel>
     getChannel() const
     {
         return channel;
@@ -49,7 +49,7 @@ protected:
     void paintEvent(QPaintEvent *) Q_DECL_OVERRIDE;
 
 private:
-    Channel *channel;
+    std::shared_ptr<Channel> channel;
     QString channelName;
 
     QFont font;

widgets/chatwidgetinput.cpp

@@ -52,7 +52,9 @@ ChatWidgetInput::ChatWidgetInput(ChatWidget *widget)
 
     this->edit.keyPressed.connect([this](QKeyEvent *event) {
         if (event->key() == Qt::Key_Enter || event->key() == Qt::Key_Return) {
-            Channel *c = this->chatWidget->getChannel();
+            auto ptr = this->chatWidget->getChannel();
+            Channel *c = ptr.get();
+
             if (c != nullptr) {
                 IrcManager::send("PRIVMSG #" + c->getName() + ": " +
                                  this->edit.toPlainText());

widgets/mainwindow.cpp

@@ -42,7 +42,7 @@ MainWindow::layoutVisibleChatWidgets(Channel *channel)
     for (auto it = widgets.begin(); it != widgets.end(); ++it) {
         ChatWidget *widget = *it;
 
-        if (channel == NULL || channel == widget->getChannel()) {
+        if (channel == NULL || channel == widget->getChannel().get()) {
             if (widget->getView().layoutMessages()) {
                 widget->update();
             }
@@ -64,7 +64,7 @@ MainWindow::repaintVisibleChatWidgets(Channel *channel)
     for (auto it = widgets.begin(); it != widgets.end(); ++it) {
         ChatWidget *widget = *it;
 
-        if (channel == NULL || channel == widget->getChannel()) {
+        if (channel == NULL || channel == widget->getChannel().get()) {
             widget->getView().layoutMessages();
             widget->update();
         }