QTfrontend/ui/widget/chatwidget.cpp
branchwebgl
changeset 8833 c13ebed437cb
parent 8797 b7e0b7a18e3a
child 8887 539380a498e4
--- a/QTfrontend/ui/widget/chatwidget.cpp	Wed Feb 20 02:21:58 2013 +0100
+++ b/QTfrontend/ui/widget/chatwidget.cpp	Tue Apr 02 21:00:57 2013 +0200
@@ -31,12 +31,13 @@
 #include <QModelIndexList>
 #include <QSortFilterProxyModel>
 #include <QMenu>
+#include <QScrollBar>
 
 #include "DataManager.h"
 #include "hwconsts.h"
 #include "gameuiconfig.h"
 #include "playerslistmodel.h"
-
+#include "HWApplication.h"
 #include "chatwidget.h"
 
 
@@ -156,24 +157,18 @@
 void HWChatWidget::displayError(const QString & message)
 {
     addLine("msg_Error", " !!! " + message);
-    // scroll to the end
-    chatText->moveCursor(QTextCursor::End);
 }
 
 
 void HWChatWidget::displayNotice(const QString & message)
 {
     addLine("msg_Notice", " *** " + message);
-    // scroll to the end
-    chatText->moveCursor(QTextCursor::End);
 }
 
 
 void HWChatWidget::displayWarning(const QString & message)
 {
     addLine("msg_Warning", " *!* " + message);
-    // scroll to the end
-    chatText->moveCursor(QTextCursor::End);
 }
 
 
@@ -451,6 +446,8 @@
     if (s_displayNone->contains(cssClass))
         return; // the css forbids us to display this line
 
+    beforeContentAdd();
+
     if (chatStrings.size() > 250)
         chatStrings.removeFirst();
 
@@ -467,17 +464,20 @@
     {
         line = QString("<span class=\"highlight\">%1</span>").arg(line);
         SDLInteraction::instance().playSoundFile(m_hilightSound);
+        HWApplication::alert(this, 800);
     }
 
     chatStrings.append(line);
 
     chatText->setHtml("<html><body>"+chatStrings.join("<br>")+"</body></html>");
 
-    chatText->moveCursor(QTextCursor::End);
+    afterContentAdd();
 }
 
 void HWChatWidget::onServerMessage(const QString& str)
 {
+    beforeContentAdd();
+
     if (chatStrings.size() > 250)
         chatStrings.removeFirst();
 
@@ -485,7 +485,7 @@
 
     chatText->setHtml("<html><body>"+chatStrings.join("<br>")+"</body></html>");
 
-    chatText->moveCursor(QTextCursor::End);
+    afterContentAdd();
 }
 
 
@@ -901,3 +901,21 @@
 
     m_nicksMenu->popup(chatNicks->mapToGlobal(pos));
 }
+
+void HWChatWidget::beforeContentAdd()
+{
+    m_scrollBarPos = chatText->verticalScrollBar()->value();
+    m_scrollToBottom = m_scrollBarPos == chatText->verticalScrollBar()->maximum();
+}
+
+void HWChatWidget::afterContentAdd()
+{
+    if(m_scrollToBottom)
+    {
+        chatText->verticalScrollBar()->setValue(chatText->verticalScrollBar()->maximum());
+        chatText->moveCursor(QTextCursor::End);
+    } else
+    {
+        chatText->verticalScrollBar()->setValue(m_scrollBarPos);
+    }
+}