chatwidgetview refreshes on new message

channels.cpp

@@ -0,0 +1,58 @@
+#include "channels.h"
+
+Channel Channels::m_whispers(QString("/whispers"));
+Channel Channels::m_mentions(QString("/mentions"));
+
+QMap<QString, std::tuple<Channel *, int>> Channels::m_channels;
+
+Channel *
+Channels::addChannel(const QString &channel)
+{
+    auto c = getChannel(channel);
+
+    if (c == NULL) {
+        c = new Channel(channel);
+        m_channels.insert(channel, std::tuple<Channel *, int>(c, 1));
+
+        return c;
+    }
+
+    return c;
+}
+
+Channel *
+Channels::getChannel(const QString &channel)
+{
+    if (channel == "/whispers") {
+        return &m_whispers;
+    }
+
+    if (channel == "/mentions") {
+        return &m_mentions;
+    }
+
+    auto a = m_channels.find(channel);
+
+    if (a == m_channels.end()) {
+        return NULL;
+    }
+
+    return std::get<0>(a.value());
+}
+
+void
+Channels::removeChannel(const QString &channel)
+{
+    auto a = m_channels.find(channel);
+
+    if (a == m_channels.end()) {
+        return;
+    }
+
+    std::get<1>(a.value())--;
+
+    if (std::get<1>(a.value()) == 0) {
+        m_channels.remove(channel);
+        delete std::get<0>(a.value());
+    }
+}