X-Git-Url: https://git.quassel-irc.org/?a=blobdiff_plain;f=src%2Fqtui%2Fchatitem.cpp;h=13cae26fb9295e2c79622294264964b17aa13e8d;hb=57d9abdd9cb8506a12f4a2dbb96fd8d840c380c8;hp=ac2558ecddc7444eff7dd46c4e4ee319cb564273;hpb=429f2aad1e22ba8410f4ea63471fcfc9887c55aa;p=quassel.git diff --git a/src/qtui/chatitem.cpp b/src/qtui/chatitem.cpp index ac2558ec..13cae26f 100644 --- a/src/qtui/chatitem.cpp +++ b/src/qtui/chatitem.cpp @@ -458,10 +458,7 @@ ContentsChatItem::WrapColumnFinder::WrapColumnFinder(ChatItem *_item) wrapList(item->data(ChatLineModel::WrapListRole).value()), wordidx(0), lineCount(0), - choppedTrailing(0), - lastwrapcol(0), - lastwrappos(0), - width(0) + choppedTrailing(0) { } @@ -480,25 +477,41 @@ qint16 ContentsChatItem::WrapColumnFinder::nextWrapColumn() { qint16 end = wrapList.count() - 1; // check if the whole line fits - if(wrapList.at(end).endX <= targetWidth || start == end) + if(wrapList.at(end).endX <= targetWidth) // || start == end) return -1; + // check if we have a very long word that needs inter word wrap + if(wrapList.at(start).endX > targetWidth) { + if(!line.isValid()) { + layout = item->createLayout(QTextOption::NoWrap); + layout->beginLayout(); + line = layout->createLine(); + layout->endLayout(); + } + return line.xToCursor(targetWidth, QTextLine::CursorOnCharacter); + } + while(true) { - if(start == end) { - wordidx = start; - if(wordidx > 0) { - const ChatLineModel::Word &prevWord = wrapList.at(wordidx - 1); - choppedTrailing += prevWord.trailing - (targetWidth - prevWord.endX); - } + if(start + 1 == end) { + wordidx = end; + const ChatLineModel::Word &lastWord = wrapList.at(start); // the last word we were able to squeeze in + + // both cases should be cought preliminary + Q_ASSERT(lastWord.endX <= targetWidth); // ensure that "start" really fits in + Q_ASSERT(end < wrapList.count()); // ensure that start isn't the last word + + choppedTrailing += lastWord.trailing - (targetWidth - lastWord.endX); return wrapList.at(wordidx).start; } + qint16 pivot = (end + start) / 2; - if(wrapList.at(pivot).endX > targetWidth && wordidx != pivot) { + if(wrapList.at(pivot).endX > targetWidth) { end = pivot; } else { - start = pivot + 1; + start = pivot; } } + Q_ASSERT(false); return -1; }