wrapList(item->data(ChatLineModel::WrapListRole).value<ChatLineModel::WrapList>()),
wordidx(0),
lineCount(0),
- choppedTrailing(0),
- lastwrapcol(0),
- lastwrappos(0),
- width(0)
+ choppedTrailing(0)
+// lastwrapcol(0),
+// lastwrappos(0),
+// width(0)
{
}
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) {
end = pivot;
} else {
- start = pivot + 1;
+ start = pivot;
}
}
+ Q_ASSERT(false);
return -1;
}