X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fqtui%2Fchatscene.cpp;h=cb5b3f70fefb137b18e1d3010737314534b15316;hp=3f0b18de658647e143bf6ec1258bb51cf6b21be2;hb=9da8a8a14a39bffe74403001978a13cc8b130138;hpb=442f91e70e3b4422948758e696b5e3c4b323bdc1

diff --git a/src/qtui/chatscene.cpp b/src/qtui/chatscene.cpp
index 3f0b18de..cb5b3f70 100644
--- a/src/qtui/chatscene.cpp
+++ b/src/qtui/chatscene.cpp
@@ -46,6 +46,7 @@
 #include "columnhandleitem.h"
 #include "contextmenuactionprovider.h"
 #include "iconloader.h"
+#include "mainwin.h"
 #include "messagefilter.h"
 #include "qtui.h"
 #include "qtuistyle.h"
@@ -137,6 +138,33 @@ ColumnHandleItem *ChatScene::secondColumnHandle() const {
   return _secondColHandle;
 }
 
+ChatLine *ChatScene::chatLine(MsgId msgId) const {
+  if(!_lines.count())
+    return 0;
+
+  QList<ChatLine*>::ConstIterator start = _lines.begin();
+  QList<ChatLine*>::ConstIterator end = _lines.end();
+  QList<ChatLine*>::ConstIterator middle;
+
+  int n = int(end - start);
+  int half;
+
+  while(n > 0) {
+    half = n >> 1;
+    middle = start + half;
+    if((*middle)->msgId() < msgId) {
+      start = middle + 1;
+      n -= half + 1;
+    } else {
+      n = half;
+    }
+  }
+  if((*start)->msgId() == msgId)
+    return *start;
+
+  return 0;
+}
+
 ChatItem *ChatScene::chatItemAt(const QPointF &scenePos) const {
   ChatLine *line = qgraphicsitem_cast<ChatLine*>(itemAt(scenePos));
   if(line)