input of channel names

chatwidget.cpp

@@ -1,14 +1,21 @@
 #include "chatwidget.h"
-#include "QFont"
-#include "QFontDatabase"
-#include "QPainter"
-#include "QVBoxLayout"
+#include "channels.h"
 #include "colorscheme.h"
+#include "textinputdialog.h"
+
+#include <QFont>
+#include <QFontDatabase>
+#include <QPainter>
+#include <QVBoxLayout>
 
 ChatWidget::ChatWidget(QWidget *parent)
     : QWidget(parent)
-    , m_header(this)
+    , m_channel(NULL)
+    , m_channelName(QString())
     , m_vbox(this)
+    , m_header(this)
+    , m_view(this)
+    , m_input()
 {
     m_vbox.setSpacing(0);
     m_vbox.setMargin(1);
@@ -22,6 +29,45 @@ ChatWidget::~ChatWidget()
 {
 }
 
+void
+ChatWidget::setChannelName(const QString &name)
+{
+    QString channel = name.trimmed();
+
+    if (QString::compare(channel, m_channelName, Qt::CaseInsensitive) == 0) {
+        m_channelName = channel;
+        m_header.updateChannelText();
+        return;
+    }
+
+    m_channelName = channel;
+    m_header.updateChannelText();
+
+    m_view.layoutMessages();
+
+    if (!m_channelName.isEmpty()) {
+        Channels::removeChannel(m_channelName);
+    }
+
+    if (channel.isEmpty()) {
+        m_channel = NULL;
+    } else {
+        m_channel = Channels::addChannel(channel);
+    }
+}
+
+void
+ChatWidget::showChangeChannelPopup()
+{
+    TextInputDialog dialog(this);
+
+    dialog.setText(m_channelName);
+
+    if (dialog.exec() == QDialog::Accepted) {
+        setChannelName(dialog.text());
+    }
+}
+
 void
 ChatWidget::paintEvent(QPaintEvent *)
 {