From 9ab7920a7a5c5f9283ef2090f5beb3889ec9c875 Mon Sep 17 00:00:00 2001
From: thunder2 <retroshare.project@gmail.com>
Date: Thu, 23 Feb 2012 23:30:53 +0000
Subject: [PATCH] Fixed scroll position of the text browser in the chat dialog
 when the friend changes the status and the info frame is shown or hidden.

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@4983 b45a01b8-16f6-495d-af2f-9b41ad6348cc
---
 retroshare-gui/src/gui/chat/ChatWidget.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/retroshare-gui/src/gui/chat/ChatWidget.cpp b/retroshare-gui/src/gui/chat/ChatWidget.cpp
index 0fed46d83..847e0345c 100644
--- a/retroshare-gui/src/gui/chat/ChatWidget.cpp
+++ b/retroshare-gui/src/gui/chat/ChatWidget.cpp
@@ -611,6 +611,10 @@ void ChatWidget::updateStatus(const QString &peer_id, int status)
 
 		QString peerName = QString::fromUtf8(rsPeers->getPeerName(peerId).c_str());
 
+		// is scrollbar at the end?
+		QScrollBar *scrollbar = ui->textBrowser->verticalScrollBar();
+		bool atEnd = (scrollbar->value() == scrollbar->maximum());
+
 		switch (status) {
 		case RS_STATUS_OFFLINE:
 			ui->infoframe->setVisible(true);
@@ -642,6 +646,11 @@ void ChatWidget::updateStatus(const QString &peer_id, int status)
 
 		peerStatus = status;
 
+		if (atEnd) {
+			// scroll to the end
+			scrollbar->setValue(scrollbar->maximum());
+		}
+
 		emit infoChanged(this);
 
 		return;