Chat lobby:

- added new notifier to p3ChatService
GUI:
- list all public and private chat lobbies
- added subscribe/unsubscribe
- added new basic widget ChatTabWidget and use it in PopupChatWindow and ChatLobbyDialog
- added a tabbed dialog for every subscribed chat lobby

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@4782 b45a01b8-16f6-495d-af2f-9b41ad6348cc

retroshare-gui/src/gui/chat/ChatTabWidget.cpp

@@ -0,0 +1,116 @@
+#include "ChatTabWidget.h"
+#include "ui_ChatTabWidget.h"
+#include "PopupChatDialog.h"
+#include "gui/common/StatusDefs.h"
+
+#define IMAGE_WINDOW         ":/images/rstray3.png"
+#define IMAGE_TYPING         ":/images/typing.png"
+#define IMAGE_CHAT           ":/images/chat.png"
+
+ChatTabWidget::ChatTabWidget(QWidget *parent) :
+	QTabWidget(parent),
+	ui(new Ui::ChatTabWidget)
+{
+	ui->setupUi(this);
+
+    connect(this, SIGNAL(tabCloseRequested(int)), this, SLOT(tabClose(int)));
+    connect(this, SIGNAL(currentChanged(int)), this, SLOT(tabChanged(int)));
+}
+
+ChatTabWidget::~ChatTabWidget()
+{
+	delete ui;
+}
+
+void ChatTabWidget::addDialog(PopupChatDialog *dialog)
+{
+	addTab(dialog, dialog->getTitle());
+
+	QObject::connect(dialog, SIGNAL(infoChanged(PopupChatDialog*)), this, SLOT(tabInfoChanged(PopupChatDialog*)));
+
+	tabInfoChanged(dialog);
+}
+
+void ChatTabWidget::removeDialog(PopupChatDialog *dialog)
+{
+	QObject::disconnect(dialog, SIGNAL(infoChanged(PopupChatDialog*)), this, SLOT(tabInfoChanged(PopupChatDialog*)));
+
+	int tab = indexOf(dialog);
+	if (tab >= 0) {
+		removeTab(tab);
+	}
+}
+
+void ChatTabWidget::tabClose(int tab)
+{
+	PopupChatDialog *dialog = dynamic_cast<PopupChatDialog*>(widget(tab));
+
+	if (dialog) {
+		if (dialog->canClose()) {
+			dialog->deleteLater();
+		}
+	}
+}
+
+void ChatTabWidget::tabChanged(int tab)
+{
+	PopupChatDialog *dialog = dynamic_cast<PopupChatDialog*>(widget(tab));
+
+	if (dialog) {
+		dialog->activate();
+		emit tabChanged(dialog);
+	}
+}
+
+void ChatTabWidget::tabInfoChanged(PopupChatDialog *dialog)
+{
+	int tab = indexOf(dialog);
+	if (tab >= 0) {
+		if (dialog->isTyping()) {
+			setTabIcon(tab, QIcon(IMAGE_TYPING));
+		} else if (dialog->hasNewMessages()) {
+			setTabIcon(tab, QIcon(IMAGE_CHAT));
+		} else if (dialog->hasPeerStatus()) {
+			setTabIcon(tab, QIcon(StatusDefs::imageIM(dialog->getPeerStatus())));
+		} else {
+			setTabIcon(tab, QIcon());
+		}
+	}
+
+	emit infoChanged();
+}
+
+void ChatTabWidget::getInfo(bool &isTyping, bool &hasNewMessage, QIcon *icon)
+{
+	isTyping = false;
+	hasNewMessage = false;
+
+	PopupChatDialog *pcd;
+	int tabCount = count();
+	for (int i = 0; i < tabCount; i++) {
+		pcd = dynamic_cast<PopupChatDialog*>(widget(i));
+		if (pcd) {
+			if (pcd->isTyping()) {
+				isTyping = true;
+			}
+			if (pcd->hasNewMessages()) {
+				hasNewMessage = true;
+			}
+		}
+	}
+
+	if (icon) {
+		if (isTyping) {
+			*icon = QIcon(IMAGE_TYPING);
+		} else if (hasNewMessage) {
+			*icon = QIcon(IMAGE_CHAT);
+		} else {
+			pcd = dynamic_cast<PopupChatDialog*>(currentWidget());
+			if (pcd && pcd->hasPeerStatus()) {
+				*icon = QIcon(StatusDefs::imageIM(pcd->getPeerStatus()));
+			} else {
+				*icon = QIcon();
+			}
+		}
+	}
+}