layout->setTextOption(option);
QList<QTextLayout::FormatRange> formatRanges
- = QtUi::style()->toTextLayoutList(data(MessageModel::FormatRole).value<UiStyle::FormatList>(), layout->text().length(), data(ChatLineModel::MsgLabelRole).toUInt());
+ = QtUi::style()->toTextLayoutList(formatList(), layout->text().length(), data(ChatLineModel::MsgLabelRole).toUInt());
layout->setAdditionalFormats(formatRanges);
}
+UiStyle::FormatList ChatItem::formatList() const {
+ return data(MessageModel::FormatRole).value<UiStyle::FormatList>();
+}
+
void ChatItem::doLayout(QTextLayout *layout) const {
- qreal h = 0;
layout->beginLayout();
- forever {
- QTextLine line = layout->createLine();
- if(!line.isValid())
- break;
+ QTextLine line = layout->createLine();
+ if(line.isValid()) {
line.setLineWidth(width());
- line.setPosition(QPointF(0, h));
- h += line.height();
+ line.setPosition(QPointF(0,0));
}
layout->endLayout();
}
QTextLayout layout;
initLayout(&layout);
- layout.draw(painter, QPointF(0,0), selectionFormats(), boundingRect());
+ layout.draw(painter, QPointF(0,0), additionalFormats(), boundingRect());
// layout()->draw(painter, QPointF(0,0), formats, boundingRect());
// painter->drawRect(_boundingRect.adjusted(0, 0, -1, -1));
}
+void ChatItem::overlayFormat(UiStyle::FormatList &fmtList, int start, int end, quint32 overlayFmt) const {
+ for(int i = 0; i < fmtList.count(); i++) {
+ int fmtStart = fmtList.at(i).first;
+ int fmtEnd = (i < fmtList.count()-1 ? fmtList.at(i+1).first : data(MessageModel::DisplayRole).toString().length());
+
+ if(fmtEnd <= start)
+ continue;
+ if(fmtStart >= end)
+ break;
+
+ // split the format if necessary
+ if(fmtStart < start) {
+ fmtList.insert(i, fmtList.at(i));
+ fmtList[++i].first = start;
+ }
+ if(end < fmtEnd) {
+ fmtList.insert(i, fmtList.at(i));
+ fmtList[i+1].first = end;
+ }
+
+ fmtList[i].second |= overlayFmt;
+ }
+}
+
+QVector<QTextLayout::FormatRange> ChatItem::additionalFormats() const {
+ return selectionFormats();
+}
+
QVector<QTextLayout::FormatRange> ChatItem::selectionFormats() const {
if(!hasSelection())
return QVector<QTextLayout::FormatRange>();
end = qMax(_selectionStart, _selectionEnd);
}
- UiStyle::FormatList fmtList = data(MessageModel::FormatRole).value<UiStyle::FormatList>();
+ UiStyle::FormatList fmtList = formatList();
- while(fmtList.count() >=2 && fmtList.at(1).first <= start)
+ while(fmtList.count() > 1 && fmtList.at(1).first <= start)
fmtList.removeFirst();
fmtList.first().first = start;
- while(fmtList.count() >= 2 && fmtList.last().first >= end)
+ while(fmtList.count() > 1 && fmtList.last().first >= end)
fmtList.removeLast();
return QtUi::style()->toTextLayoutList(fmtList, end, UiStyle::Selected|data(ChatLineModel::MsgLabelRole).toUInt()).toVector();
QPixmap pixmap(layout.boundingRect().toRect().size());
pixmap.fill(Qt::transparent);
QPainter pixPainter(&pixmap);
- layout.draw(&pixPainter, QPointF(qMax(offset, (qreal)0), 0), selectionFormats());
+ layout.draw(&pixPainter, QPointF(qMax(offset, (qreal)0), 0), additionalFormats());
pixPainter.end();
// Create alpha channel mask
pixmap.setAlphaChannel(mask);
painter->drawPixmap(0, 0, pixmap);
} else {
- layout.draw(painter, QPointF(0,0), selectionFormats(), boundingRect());
+ layout.draw(painter, QPointF(0,0), additionalFormats(), boundingRect());
}
}
}
QFontMetricsF *ContentsChatItem::fontMetrics() const {
- return QtUi::style()->fontMetrics(data(ChatLineModel::FormatRole).value<UiStyle::FormatList>().at(0).second);
+ return QtUi::style()->fontMetrics(data(ChatLineModel::FormatRole).value<UiStyle::FormatList>().at(0).second, 0);
}
ContentsChatItem::~ContentsChatItem() {
ContentsChatItemPrivate *ContentsChatItem::privateData() const {
if(!_data) {
ContentsChatItem *that = const_cast<ContentsChatItem *>(this);
- that->_data = new ContentsChatItemPrivate(findClickables(), that);
+ that->_data = new ContentsChatItemPrivate(ClickableList::fromString(data(ChatLineModel::DisplayRole).toString()), that);
}
return _data;
}
qreal ContentsChatItem::setGeometryByWidth(qreal w) {
- if(w != width()) {
+ // We use this for reloading layout info as well, so we can't bail out if the width doesn't change
+
+ // compute height
+ int lines = 1;
+ WrapColumnFinder finder(this);
+ while(finder.nextWrapColumn(w) > 0)
+ lines++;
+ qreal spacing = qMax(fontMetrics()->lineSpacing(), fontMetrics()->height()); // cope with negative leading()
+ qreal h = lines * spacing;
+ delete _data;
+ _data = 0;
+
+ if(w != width() || h != height()) {
prepareGeometryChange();
- setWidth(w);
- QTextLayout layout;
- initLayout(&layout);
- setHeight(layout.boundingRect().height());
- delete _data;
- _data = 0;
+ setGeometry(w, h);
}
- return height();
+ return h;
}
-// NOTE: This method is not threadsafe and not reentrant!
-// (RegExps are not constant while matching, and they are static here for efficiency)
-QList<ContentsChatItem::Clickable> ContentsChatItem::findClickables() const {
- // For matching URLs
- static QString urlEnd("(?:>|[,.;:\"]*\\s|\\b|$)");
- static QString urlChars("(?:[,.;:]*[\\w\\-~@/?&=+$()!%#*|{}\\[\\]'^])");
-
- static QRegExp regExp[] = {
- // URL
- // QRegExp(QString("((?:https?://|s?ftp://|irc://|mailto:|www\\.)%1+|%1+\\.[a-z]{2,4}(?:?=/%1+|\\b))%2").arg(urlChars, urlEnd)),
- QRegExp(QString("((?:(?:mailto:|\\w+://)|www\\.)%1+)%2").arg(urlChars, urlEnd), Qt::CaseInsensitive),
-
- // Channel name
- // We don't match for channel names starting with + or &, because that gives us a lot of false positives.
- QRegExp("((?:#|![A-Z0-9]{5})[^,:\\s]+(?::[^,:\\s]+)?)\\b", Qt::CaseInsensitive)
-
- // TODO: Nicks, we'll need a filtering for only matching known nicknames further down if we do this
- };
-
- static const int regExpCount = 2; // number of regexps in the array above
+void ContentsChatItem::doLayout(QTextLayout *layout) const {
+ // QString t = data(Qt::DisplayRole).toString(); bool d = t.contains("protien");
+ ChatLineModel::WrapList wrapList = data(ChatLineModel::WrapListRole).value<ChatLineModel::WrapList>();
+ if(!wrapList.count()) return; // empty chatitem
- qint16 matches[] = { 0, 0, 0 };
- qint16 matchEnd[] = { 0, 0, 0 };
+ qreal h = 0;
+ qreal spacing = qMax(fontMetrics()->lineSpacing(), fontMetrics()->height()); // cope with negative leading()
+ WrapColumnFinder finder(this);
+ layout->beginLayout();
+ forever {
+ QTextLine line = layout->createLine();
+ if(!line.isValid())
+ break;
- QString str = data(ChatLineModel::DisplayRole).toString();
+ int col = finder.nextWrapColumn(width());
+ if(col < 0)
+ col = layout->text().length();
+ int num = col - line.textStart();
- QList<Clickable> result;
- qint16 idx = 0;
- qint16 minidx;
- int type = -1;
+ line.setNumColumns(num);
- do {
- type = -1;
- minidx = str.length();
- for(int i = 0; i < regExpCount; i++) {
- if(matches[i] < 0 || matchEnd[i] > str.length()) continue;
- if(idx >= matchEnd[i]) {
- matches[i] = regExp[i].indexIn(str, qMax(matchEnd[i], idx));
- if(matches[i] >= 0) matchEnd[i] = matches[i] + regExp[i].cap(1).length();
- }
- if(matches[i] >= 0 && matches[i] < minidx) {
- minidx = matches[i];
- type = i;
- }
+ // Sometimes, setNumColumns will create a line that's too long (cf. Qt bug 238249)
+ // We verify this and try setting the width again, making it shorter each time until the lengths match.
+ // Dead fugly, but seems to work…
+ for(int i = line.textLength()-1; i >= 0 && line.textLength() > num; i--) {
+ line.setNumColumns(i);
}
- if(type >= 0) {
- idx = matchEnd[type];
- QString match = str.mid(matches[type], matchEnd[type] - matches[type]);
- if(type == Clickable::Url && str.at(idx-1) == ')') { // special case: closing paren only matches if we had an open one
- if(!match.contains('(')) {
- matchEnd[type]--;
- match.chop(1);
- }
- }
- if(type == Clickable::Channel) {
- // don't make clickable if it could be a #number
- if(QRegExp("^#\\d+$").exactMatch(match))
- continue;
- }
- result.append(Clickable((Clickable::Type)type, matches[type], matchEnd[type] - matches[type]));
+ if(num != line.textLength()) {
+ qWarning() << "WARNING: Layout engine couldn't workaround Qt bug 238249, please report!";
+ // qDebug() << num << line.textLength() << t.mid(line.textStart(), line.textLength()) << t.mid(line.textStart() + line.textLength());
}
- } while(type >= 0);
- /* testing
- if(!result.isEmpty()) qDebug() << str;
- foreach(Clickable click, result) {
- qDebug() << str.mid(click.start, click.length);
+ line.setPosition(QPointF(0, h));
+ h += spacing;
}
- */
- return result;
+ layout->endLayout();
}
-ContentsChatItem::Clickable ContentsChatItem::clickableAt(const QPointF &pos) const {
- qint16 idx = posToCursor(pos);
+Clickable ContentsChatItem::clickableAt(const QPointF &pos) const {
+ return privateData()->clickables.atCursorPos(posToCursor(pos));
+}
+
+UiStyle::FormatList ContentsChatItem::formatList() const {
+ UiStyle::FormatList fmtList = ChatItem::formatList();
for(int i = 0; i < privateData()->clickables.count(); i++) {
Clickable click = privateData()->clickables.at(i);
- if(idx >= click.start && idx < click.start + click.length)
- return click;
+ if(click.type() == Clickable::Url) {
+ overlayFormat(fmtList, click.start(), click.start() + click.length(), UiStyle::Url);
+ }
}
- return Clickable();
+ return fmtList;
}
QVector<QTextLayout::FormatRange> ContentsChatItem::additionalFormats() const {
+ QVector<QTextLayout::FormatRange> fmt = ChatItem::additionalFormats();
// mark a clickable if hovered upon
- QVector<QTextLayout::FormatRange> fmt;
if(privateData()->currentClickable.isValid()) {
Clickable click = privateData()->currentClickable;
QTextLayout::FormatRange f;
- f.start = click.start;
- f.length = click.length;
+ f.start = click.start();
+ f.length = click.length();
f.format.setFontUnderline(true);
fmt.append(f);
}
void ContentsChatItem::handleClick(const QPointF &pos, ChatScene::ClickMode clickMode) {
if(clickMode == ChatScene::SingleClick) {
- Clickable click = clickableAt(pos);
- if(click.isValid()) {
- QString str = data(ChatLineModel::DisplayRole).toString().mid(click.start, click.length);
- switch(click.type) {
- case Clickable::Url:
- if(!str.contains("://"))
- str = "http://" + str;
- QDesktopServices::openUrl(QUrl::fromEncoded(str.toUtf8(), QUrl::TolerantMode));
- break;
- case Clickable::Channel: {
- NetworkId networkId = Client::networkModel()->networkId(data(MessageModel::BufferIdRole).value<BufferId>());
- BufferId bufId = Client::networkModel()->bufferId(networkId, str);
- if(bufId.isValid()) {
- QModelIndex targetIdx = Client::networkModel()->bufferIndex(bufId);
- Client::bufferModel()->switchToBuffer(bufId);
- if(!targetIdx.data(NetworkModel::ItemActiveRole).toBool())
- Client::userInput(BufferInfo::fakeStatusBuffer(networkId), QString("/JOIN %1").arg(str));
- } else
- Client::userInput(BufferInfo::fakeStatusBuffer(networkId), QString("/JOIN %1").arg(str));
- break;
- }
- default:
- break;
- }
+ qint16 idx = posToCursor(pos);
+ Clickable foo = privateData()->clickables.atCursorPos(idx);
+ if(foo.isValid()) {
+ NetworkId networkId = Client::networkModel()->networkId(data(MessageModel::BufferIdRole).value<BufferId>());
+ QString text = data(ChatLineModel::DisplayRole).toString();
+ foo.activate(networkId, text);
}
} else if(clickMode == ChatScene::DoubleClick) {
chatScene()->setSelectingItem(this);
setSelectionMode(PartialSelection);
Clickable click = clickableAt(pos);
if(click.isValid()) {
- setSelectionStart(click.start);
- setSelectionEnd(click.start + click.length);
+ setSelectionStart(click.start());
+ setSelectionEnd(click.start() + click.length());
} else {
// find word boundary
QString str = data(ChatLineModel::DisplayRole).toString();
bool onClickable = false;
Clickable click = clickableAt(event->pos());
if(click.isValid()) {
- if(click.type == Clickable::Url) {
+ if(click.type() == Clickable::Url) {
onClickable = true;
showWebPreview(click);
- } else if(click.type == Clickable::Channel) {
- QString name = data(ChatLineModel::DisplayRole).toString().mid(click.start, click.length);
+ } else if(click.type() == Clickable::Channel) {
+ QString name = data(ChatLineModel::DisplayRole).toString().mid(click.start(), click.length());
// don't make clickable if it's our own name
BufferId myId = data(MessageModel::BufferIdRole).value<BufferId>();
if(Client::networkModel()->bufferName(myId) != name)
void ContentsChatItem::addActionsToMenu(QMenu *menu, const QPointF &pos) {
if(privateData()->currentClickable.isValid()) {
Clickable click = privateData()->currentClickable;
- switch(click.type) {
+ switch(click.type()) {
case Clickable::Url:
privateData()->activeClickable = click;
menu->addAction(SmallIcon("edit-copy"), tr("Copy Link Address"),
// Hide existing menu actions, they confuse us when right-clicking on a clickable
foreach(QAction *action, menu->actions())
action->setVisible(false);
- QString name = data(ChatLineModel::DisplayRole).toString().mid(click.start, click.length);
+ QString name = data(ChatLineModel::DisplayRole).toString().mid(click.start(), click.length());
GraphicalUi::contextMenuActionProvider()->addActions(menu, chatScene()->filter(), data(MessageModel::BufferIdRole).value<BufferId>(), name);
break;
}
void ContentsChatItem::copyLinkToClipboard() {
Clickable click = privateData()->activeClickable;
- if(click.isValid() && click.type == Clickable::Url) {
- QString url = data(ChatLineModel::DisplayRole).toString().mid(click.start, click.length);
+ if(click.isValid() && click.type() == Clickable::Url) {
+ QString url = data(ChatLineModel::DisplayRole).toString().mid(click.start(), click.length());
if(!url.contains("://"))
url = "http://" + url;
chatScene()->stringToClipboard(url);
#else
QTextLayout layout;
initLayout(&layout);
- QTextLine line = layout.lineForTextPosition(click.start);
- qreal x = line.cursorToX(click.start);
- qreal width = line.cursorToX(click.start + click.length) - x;
+ QTextLine line = layout.lineForTextPosition(click.start());
+ qreal x = line.cursorToX(click.start());
+ qreal width = line.cursorToX(click.start() + click.length()) - x;
qreal height = line.height();
qreal y = height * line.lineNumber();
QPointF topLeft = scenePos() + QPointF(x, y);
QRectF urlRect = QRectF(topLeft.x(), topLeft.y(), width, height);
- QString url = data(ChatLineModel::DisplayRole).toString().mid(click.start, click.length);
- if(!url.contains("://"))
- url = "http://" + url;
+ QString urlstr = data(ChatLineModel::DisplayRole).toString().mid(click.start(), click.length());
+ if(!urlstr.contains("://"))
+ urlstr= "http://" + urlstr;
+ QUrl url = QUrl::fromEncoded(urlstr.toUtf8(), QUrl::TolerantMode);
chatScene()->loadWebPreview(this, url, urlRect);
#endif
}
/*************************************************************************************************/
+ContentsChatItem::WrapColumnFinder::WrapColumnFinder(const ChatItem *_item)
+ : item(_item),
+ wrapList(item->data(ChatLineModel::WrapListRole).value<ChatLineModel::WrapList>()),
+ wordidx(0),
+ lineCount(0),
+ choppedTrailing(0)
+{
+}
+
+ContentsChatItem::WrapColumnFinder::~WrapColumnFinder() {
+}
+
+qint16 ContentsChatItem::WrapColumnFinder::nextWrapColumn(qreal width) {
+ if(wordidx >= wrapList.count())
+ return -1;
+
+ lineCount++;
+ qreal targetWidth = lineCount * width + choppedTrailing;
+
+ qint16 start = wordidx;
+ qint16 end = wrapList.count() - 1;
+
+ // check if the whole line fits
+ 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()) {
+ item->initLayoutHelper(&layout, QTextOption::NoWrap);
+ layout.beginLayout();
+ line = layout.createLine();
+ layout.endLayout();
+ }
+ return line.xToCursor(targetWidth, QTextLine::CursorOnCharacter);
+ }
+
+ while(true) {
+ 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) {
+ end = pivot;
+ } else {
+ start = pivot;
+ }
+ }
+ Q_ASSERT(false);
+ return -1;
+}
+
+/*************************************************************************************************/
+