don't call alert() when a message in a public chat is received

cockatrice/src/tab.h

@@ -9,7 +9,7 @@ class TabSupervisor;
 class Tab : public QWidget {
 	Q_OBJECT
 signals:
-	void userEvent();
+	void userEvent(bool globalEvent = true);
 protected:
 	QMenu *tabMenu;
 	TabSupervisor *tabSupervisor;

cockatrice/src/tab_room.cpp

@@ -262,5 +262,5 @@ void TabRoom::processLeaveRoomEvent(Event_LeaveRoom *event)
 void TabRoom::processSayEvent(Event_RoomSay *event)
 {
 	chatView->appendMessage(event->getPlayerName(), event->getMessage());
-	emit userEvent();
+	emit userEvent(false);
 }

cockatrice/src/tab_supervisor.cpp

@@ -101,7 +101,7 @@ void TabSupervisor::retranslateUi()
 
 int TabSupervisor::myAddTab(Tab *tab)
 {
-	connect(tab, SIGNAL(userEvent()), this, SLOT(tabUserEvent()));
+	connect(tab, SIGNAL(userEvent(bool)), this, SLOT(tabUserEvent(bool)));
 	return addTab(tab, tab->getTabText());
 }
 
@@ -299,14 +299,15 @@ void TabSupervisor::talkLeft(TabMessage *tab)
 	removeTab(indexOf(tab));
 }
 
-void TabSupervisor::tabUserEvent()
+void TabSupervisor::tabUserEvent(bool globalEvent)
 {
 	Tab *tab = static_cast<Tab *>(sender());
 	if (tab != currentWidget()) {
 		tab->setContentsChanged(true);
 		setTabIcon(indexOf(tab), *tabChangedIcon);
 	}
-	QApplication::alert(this);
+	if (globalEvent)
+		QApplication::alert(this);
 }
 
 void TabSupervisor::processRoomEvent(RoomEvent *event)

cockatrice/src/tab_supervisor.h

@@ -78,7 +78,7 @@ private slots:
 	void processUserLeft(const QString &userName);
 	void processUserJoined(const QString &userName);
 	void talkLeft(TabMessage *tab);
-	void tabUserEvent();
+	void tabUserEvent(bool globalEvent);
 	void processRoomEvent(RoomEvent *event);
 	void processGameEventContainer(GameEventContainer *cont);
 	void processMessageEvent(Event_Message *event);