More work with timer

diff --git a/src/mucjoindlg.cpp b/src/mucjoindlg.cpp
index cf07d78c..479e396b 100644
--- a/src/mucjoindlg.cpp
+++ b/src/mucjoindlg.cpp
@@ -35,6 +35,7 @@

 static const int     nickConflictCode = 409;
 static const QString additionalSymbol = "_";
+static const int     timeout          = 30000;

 MUCJoinDlg::MUCJoinDlg(PsiCon *psi, PsiAccount *pa) : QDialog(nullptr), nickAlreadyCompleted_(false)
 {
@@ -53,6 +54,10 @@ MUCJoinDlg::MUCJoinDlg(PsiCon *psi, PsiAccount *pa) : QDialog(nullptr), nickAlre
     ui_.ck_history->hide();
     joinButton_ = ui_.buttonBox->addButton(tr("&Join"), QDialogButtonBox::AcceptRole);
     joinButton_->setDefault(true);
+    timer_ = new QTimer(this);
+    timer_->setInterval(timeout);
+    connect(timer_, &QTimer::timeout, this,
+            [this]() { error(404, tr("No response from server for %1 seconds").arg(timeout / 1000)); });

     reason_ = PsiAccount::MucCustomJoin;

@@ -269,6 +274,7 @@ void MUCJoinDlg::doJoin(PsiAccount::MucJoinReason r)
     account_->dialogRegister(this, jid_);

     setWidgetsEnabled(false);
+    timer_->start();
     ui_.busy->start();
 }

@@ -283,6 +289,8 @@ void MUCJoinDlg::setWidgetsEnabled(bool enabled)
 void MUCJoinDlg::joined()
 {
     controller_->recentGCAdd(jid_.full());
+    if (timer_->isActive())
+        timer_->stop();
     ui_.busy->stop();

     nickAlreadyCompleted_ = false;
@@ -293,6 +301,8 @@ void MUCJoinDlg::joined()

 void MUCJoinDlg::error(int error, const QString &str)
 {
+    if (timer_->isActive())
+        timer_->stop();
     ui_.busy->stop();
     setWidgetsEnabled(true);

diff --git a/src/mucjoindlg.h b/src/mucjoindlg.h
index 90fe7c7f..52a89ecc 100644
--- a/src/mucjoindlg.h
+++ b/src/mucjoindlg.h
@@ -25,6 +25,7 @@
 #include "xmpp_jid.h"

 #include <QDialog>
+#include <QTimer>

 class PsiCon;
 class QString;
@@ -67,6 +68,7 @@ private:
     QPushButton *             joinButton_;
     XMPP::Jid                 jid_;
     PsiAccount::MucJoinReason reason_;
+    QTimer *                  timer_;
     bool                      nickAlreadyCompleted_;

     void disableWidgets();