X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fqtui%2Fchatitem.cpp;h=ed24bbaf72ce687f284fddf2a44c0d31229c56ff;hp=e4580559c331e7fd8a9f5c8c317e2dbf2c2be89a;hb=0125cf23d570d2b8ee4d3fd5407364cf6c5769df;hpb=148f1953967cdd1fc8febbdfd9bb103335dc8c91 diff --git a/src/qtui/chatitem.cpp b/src/qtui/chatitem.cpp index e4580559..ed24bbaf 100644 --- a/src/qtui/chatitem.cpp +++ b/src/qtui/chatitem.cpp @@ -26,27 +26,28 @@ #include #include #include +#include + #include "chatitem.h" #include "chatlinemodel.h" #include "qtui.h" +#include "qtuistyle.h" -ChatItem::ChatItem(ChatLineModel::ColumnType col, QAbstractItemModel *model, QGraphicsItem *parent) +ChatItem::ChatItem(const qreal &width, const qreal &height, const QPointF &pos, QGraphicsItem *parent) : QGraphicsItem(parent), - _fontMetrics(0), + _data(0), + _boundingRect(0, 0, width, height), _selectionMode(NoSelection), - _selectionStart(-1), - _layout(0) + _selectionStart(-1) { - Q_ASSERT(model); - QModelIndex index = model->index(row(), col); - _fontMetrics = QtUi::style()->fontMetrics(model->data(index, ChatLineModel::FormatRole).value().at(0).second); setAcceptHoverEvents(true); setZValue(20); + setPos(pos); } ChatItem::~ChatItem() { - delete _layout; + delete _data; } QVariant ChatItem::data(int role) const { @@ -58,22 +59,7 @@ QVariant ChatItem::data(int role) const { return model()->data(index, role); } -qreal ChatItem::setGeometry(qreal w, qreal h) { - if(w == _boundingRect.width()) return _boundingRect.height(); - prepareGeometryChange(); - _boundingRect.setWidth(w); - if(h < 0) h = computeHeight(); - //if(h < 0) h = fontMetrics()->lineSpacing(); // only contents can be multi-line - _boundingRect.setHeight(h); - if(haveLayout()) updateLayout(); - return h; -} - -qreal ChatItem::computeHeight() { - return fontMetrics()->lineSpacing(); // only contents can be multi-line -} - -QTextLayout *ChatItem::createLayout(QTextOption::WrapMode wrapMode, Qt::Alignment alignment) { +QTextLayout *ChatItem::createLayout(QTextOption::WrapMode wrapMode, Qt::Alignment alignment) const { QTextLayout *layout = new QTextLayout(data(MessageModel::DisplayRole).toString()); QTextOption option; @@ -87,56 +73,72 @@ QTextLayout *ChatItem::createLayout(QTextOption::WrapMode wrapMode, Qt::Alignmen return layout; } -void ChatItem::updateLayout() { - if(!haveLayout()) - setLayout(createLayout(QTextOption::WrapAnywhere, Qt::AlignLeft)); - - layout()->beginLayout(); - QTextLine line = layout()->createLine(); +void ChatItem::doLayout() { + QTextLayout *layout_ = layout(); + layout_->beginLayout(); + QTextLine line = layout_->createLine(); if(line.isValid()) { line.setLineWidth(width()); line.setPosition(QPointF(0,0)); } - layout()->endLayout(); + layout_->endLayout(); } void ChatItem::clearLayout() { - delete _layout; - _layout = 0; + delete _data; + _data = 0; +} + +ChatItemPrivate *ChatItem::privateData() const { + if(!_data) { + ChatItem *that = const_cast(this); + that->_data = that->newPrivateData(); + that->doLayout(); + } + return _data; } // NOTE: This is not the most time-efficient implementation, but it saves space by not caching unnecessary data // This is a deliberate trade-off. (-> selectFmt creation, data() call) void ChatItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) { Q_UNUSED(option); Q_UNUSED(widget); - if(!haveLayout()) updateLayout(); painter->setClipRect(boundingRect()); // no idea why QGraphicsItem clipping won't work - //if(_selectionMode == FullSelection) { - //painter->save(); - //painter->fillRect(boundingRect(), QApplication::palette().brush(QPalette::Highlight)); - //painter->restore(); - //} QVector formats = additionalFormats(); - if(_selectionMode != NoSelection) { - QTextLayout::FormatRange selectFmt; - selectFmt.format.setForeground(QApplication::palette().brush(QPalette::HighlightedText)); - selectFmt.format.setBackground(QApplication::palette().brush(QPalette::Highlight)); - if(_selectionMode == PartialSelection) { - selectFmt.start = qMin(_selectionStart, _selectionEnd); - selectFmt.length = qAbs(_selectionStart - _selectionEnd); - } else { // FullSelection - selectFmt.start = 0; - selectFmt.length = data(MessageModel::DisplayRole).toString().length(); - } - formats.append(selectFmt); - } + QTextLayout::FormatRange selectFmt = selectionFormat(); + if(selectFmt.format.isValid()) formats.append(selectFmt); layout()->draw(painter, QPointF(0,0), formats, boundingRect()); -} -qint16 ChatItem::posToCursor(const QPointF &pos) { + // Debuging Stuff + // uncomment partially or all of the following stuff: + // + // 0) alternativ painter color for debug stuff +// if(row() % 2) +// painter->setPen(Qt::red); +// else +// painter->setPen(Qt::blue); + // 1) draw wordwrap points in the first line +// if(column() == 2) { +// ChatLineModel::WrapList wrapList = data(ChatLineModel::WrapListRole).value(); +// foreach(ChatLineModel::Word word, wrapList) { +// if(word.endX > width()) +// break; +// painter->drawLine(word.endX, 0, word.endX, height()); +// } +// } + // 2) draw MsgId over the time column +// if(column() == 0) { +// QString msgIdString = QString::number(data(MessageModel::MsgIdRole).value().toInt()); +// QPointF bottomPoint = boundingRect().bottomLeft(); +// bottomPoint.ry() -= 2; +// painter->drawText(bottomPoint, msgIdString); +// } + // 3) draw bounding rect +// painter->drawRect(_boundingRect.adjusted(0, 0, -1, -1)); +} + +qint16 ChatItem::posToCursor(const QPointF &pos) const { if(pos.y() > height()) return data(MessageModel::DisplayRole).toString().length(); if(pos.y() < 0) return 0; - if(!haveLayout()) updateLayout(); for(int l = layout()->lineCount() - 1; l >= 0; l--) { QTextLine line = layout()->lineAt(l); if(pos.y() >= line.y()) { @@ -146,6 +148,30 @@ qint16 ChatItem::posToCursor(const QPointF &pos) { return 0; } +bool ChatItem::hasSelection() const { + if(_selectionMode == NoSelection) + return false; + if(_selectionMode == FullSelection) + return true; + // partial + return _selectionStart != _selectionEnd; +} + +QString ChatItem::selection() const { + if(_selectionMode == FullSelection) + return data(MessageModel::DisplayRole).toString(); + if(_selectionMode == PartialSelection) + return data(MessageModel::DisplayRole).toString().mid(qMin(_selectionStart, _selectionEnd), qAbs(_selectionStart - _selectionEnd)); + return QString(); +} + +void ChatItem::setSelection(SelectionMode mode, qint16 start, qint16 end) { + _selectionMode = mode; + _selectionStart = start; + _selectionEnd = end; + update(); +} + void ChatItem::setFullSelection() { if(_selectionMode != FullSelection) { _selectionMode = FullSelection; @@ -154,8 +180,10 @@ void ChatItem::setFullSelection() { } void ChatItem::clearSelection() { - _selectionMode = NoSelection; - update(); + if(_selectionMode != NoSelection) { + _selectionMode = NoSelection; + update(); + } } void ChatItem::continueSelecting(const QPointF &pos) { @@ -164,6 +192,35 @@ void ChatItem::continueSelecting(const QPointF &pos) { update(); } +bool ChatItem::isPosOverSelection(const QPointF &pos) const { + if(_selectionMode == FullSelection) + return true; + if(_selectionMode == PartialSelection) { + int cursor = posToCursor(pos); + return cursor >= qMin(_selectionStart, _selectionEnd) && cursor <= qMax(_selectionStart, _selectionEnd); + } + return false; +} + +QTextLayout::FormatRange ChatItem::selectionFormat() const { + QTextLayout::FormatRange selectFmt; + if(_selectionMode != NoSelection) { + selectFmt.format.setForeground(QApplication::palette().brush(QPalette::HighlightedText)); + selectFmt.format.setBackground(QApplication::palette().brush(QPalette::Highlight)); + if(_selectionMode == PartialSelection) { + selectFmt.start = qMin(_selectionStart, _selectionEnd); + selectFmt.length = qAbs(_selectionStart - _selectionEnd); + } else { // FullSelection + selectFmt.start = 0; + selectFmt.length = data(MessageModel::DisplayRole).toString().length(); + } + } else { + selectFmt.start = -1; + selectFmt.length = 0; + } + return selectFmt; +} + QList ChatItem::findWords(const QString &searchWord, Qt::CaseSensitivity caseSensitive) { QList resultList; const QAbstractItemModel *model_ = model(); @@ -178,29 +235,29 @@ QList ChatItem::findWords(const QString &searchWord, Qt::CaseSensitivity searchIdx = plainText.indexOf(searchWord, searchIdx + 1, caseSensitive); } - if(!haveLayout()) - updateLayout(); + bool hadPrivateData = hasPrivateData(); foreach(int idx, indexList) { QTextLine line = layout()->lineForTextPosition(idx); qreal x = line.cursorToX(idx); qreal width = line.cursorToX(idx + searchWord.count()) - x; - qreal height = fontMetrics()->lineSpacing(); + qreal height = line.height(); qreal y = height * line.lineNumber(); resultList << QRectF(x, y, width, height); } + + if(!hadPrivateData) + clearLayout(); return resultList; } -void ChatItem::mousePressEvent(QGraphicsSceneMouseEvent *event) { - if(event->buttons() == Qt::LeftButton) { +void ChatItem::handleClick(const QPointF &pos, ChatScene::ClickMode clickMode) { + // single clicks are already handled by the scene (for clearing the selection) + if(clickMode == ChatScene::DragStartClick) { chatScene()->setSelectingItem(this); - _selectionStart = _selectionEnd = posToCursor(event->pos()); + _selectionStart = _selectionEnd = posToCursor(pos); _selectionMode = NoSelection; // will be set to PartialSelection by mouseMoveEvent update(); - event->accept(); - } else { - event->ignore(); } } @@ -223,65 +280,100 @@ void ChatItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event) { } } +void ChatItem::mousePressEvent(QGraphicsSceneMouseEvent *event) { + if(event->buttons() == Qt::LeftButton) + event->accept(); + else + event->ignore(); +} + void ChatItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) { if(_selectionMode != NoSelection && !event->buttons() & Qt::LeftButton) { - _selectionEnd = posToCursor(event->pos()); QString selection = data(MessageModel::DisplayRole).toString().mid(qMin(_selectionStart, _selectionEnd), qAbs(_selectionStart - _selectionEnd)); chatScene()->putToClipboard(selection); event->accept(); - } else { + } else event->ignore(); - } } -/*************************************************************************************************/ - -/*************************************************************************************************/ - -void SenderChatItem::updateLayout() { - if(!haveLayout()) setLayout(createLayout(QTextOption::WrapAnywhere, Qt::AlignRight)); - ChatItem::updateLayout(); -} +// ************************************************************ +// SenderChatItem +// ************************************************************ -/*************************************************************************************************/ - -ContentsChatItem::ContentsChatItem(QAbstractItemModel *model, QGraphicsItem *parent) : ChatItem(column(), model, parent), - _layoutData(0) -{ - -} - -ContentsChatItem::~ContentsChatItem() { - delete _layoutData; -} - -qreal ContentsChatItem::computeHeight() { - int lines = 1; - WrapColumnFinder finder(this); - while(finder.nextWrapColumn() > 0) lines++; - return lines * fontMetrics()->lineSpacing(); -} +void SenderChatItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) { + Q_UNUSED(option); Q_UNUSED(widget); -void ContentsChatItem::setLayout(QTextLayout *layout) { - if(!_layoutData) { - _layoutData = new LayoutData; - _layoutData->clickables = findClickables(); + painter->setClipRect(boundingRect()); // no idea why QGraphicsItem clipping won't work + qreal layoutWidth = layout()->minimumWidth(); + qreal offset = 0; + if(chatScene()->senderCutoffMode() == ChatScene::CutoffLeft) + offset = qMin(width() - layoutWidth, (qreal)0); + else + offset = qMax(layoutWidth - width(), (qreal)0); + + QTextLayout::FormatRange selectFmt = selectionFormat(); + + if(layoutWidth > width()) { + // Draw a nice gradient for longer items + // Qt's text drawing with a gradient brush sucks, so we use an alpha-channeled pixmap instead + QPixmap pixmap(layout()->boundingRect().toRect().size()); + pixmap.fill(Qt::transparent); + QPainter pixPainter(&pixmap); + layout()->draw(&pixPainter, QPointF(qMax(offset, (qreal)0), 0), QVector() << selectFmt); + pixPainter.end(); + + // Create alpha channel mask + QPixmap mask(pixmap.size()); + QPainter maskPainter(&mask); + QLinearGradient gradient; + if(offset < 0) { + gradient.setStart(0, 0); + gradient.setFinalStop(12, 0); + gradient.setColorAt(0, Qt::black); + gradient.setColorAt(1, Qt::white); + } else { + gradient.setStart(width()-10, 0); + gradient.setFinalStop(width(), 0); + gradient.setColorAt(0, Qt::white); + gradient.setColorAt(1, Qt::black); + } + maskPainter.fillRect(boundingRect(), gradient); + pixmap.setAlphaChannel(mask); + painter->drawPixmap(0, 0, pixmap); } else { - delete _layoutData->layout; + layout()->draw(painter, QPointF(0,0), QVector() << selectFmt, boundingRect()); } - _layoutData->layout = layout; } -void ContentsChatItem::clearLayout() { - delete _layoutData; - _layoutData = 0; +// ************************************************************ +// ContentsChatItem +// ************************************************************ +ContentsChatItem::ContentsChatItem(const qreal &width, const QPointF &pos, QGraphicsItem *parent) + : ChatItem(0, 0, pos, parent) +{ + const QAbstractItemModel *model_ = model(); + QModelIndex index = model_->index(row(), column()); + _fontMetrics = QtUi::style()->fontMetrics(model_->data(index, ChatLineModel::FormatRole).value().at(0).second); + + setGeometryByWidth(width); +} + +qreal ContentsChatItem::setGeometryByWidth(qreal w) { + if(w != width()) { + prepareGeometryChange(); + setWidth(w); + // compute height + int lines = 1; + WrapColumnFinder finder(this); + while(finder.nextWrapColumn() > 0) + lines++; + setHeight(lines * fontMetrics()->lineSpacing()); + } + return height(); } -void ContentsChatItem::updateLayout() { - if(!haveLayout()) setLayout(createLayout(QTextOption::WrapAnywhere)); - - // Now layout +void ContentsChatItem::doLayout() { ChatLineModel::WrapList wrapList = data(ChatLineModel::WrapListRole).value(); if(!wrapList.count()) return; // empty chatitem @@ -296,25 +388,26 @@ void ContentsChatItem::updateLayout() { int col = finder.nextWrapColumn(); line.setNumColumns(col >= 0 ? col - line.textStart() : layout()->text().length()); line.setPosition(QPointF(0, h)); - h += line.height() + fontMetrics()->leading(); + h += fontMetrics()->lineSpacing(); } layout()->endLayout(); } // NOTE: This method is not threadsafe and not reentrant! // (RegExps are not constant while matching, and they are static here for efficiency) -QList ContentsChatItem::findClickables() { +QList ContentsChatItem::findClickables() const { // For matching URLs - static QString urlEnd("(?:>|[,.;:]?\\s|\\b)"); - static QString urlChars("(?:[\\w\\-~@/?&=+$()!%#]|[,.;:]\\w)"); + static QString urlEnd("(?:>|[,.;:\"]*\\s|\\b|$)"); + static QString urlChars("(?:[,.;:]*[\\w\\-~@/?&=+$()!%#*|{}\\[\\]])"); static QRegExp regExp[] = { // URL - QRegExp(QString("((?:(?:https?://|s?ftp://|irc://|mailto:)|www)%1+)%2").arg(urlChars, urlEnd)), + // QRegExp(QString("((?:https?://|s?ftp://|irc://|mailto:|www\\.)%1+|%1+\\.[a-z]{2,4}(?:?=/%1+|\\b))%2").arg(urlChars, urlEnd)), + QRegExp(QString("((?:(?:https?://|s?ftp://|irc://|mailto:)|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") + 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 }; @@ -335,18 +428,21 @@ QList ContentsChatItem::findClickables() { type = -1; minidx = str.length(); for(int i = 0; i < regExpCount; i++) { - if(matches[i] < 0 || idx < matchEnd[i] || matchEnd[i] >= str.length()) continue; - matches[i] = str.indexOf(regExp[i], qMax(matchEnd[i], idx)); - if(matches[i] >= 0) { - matchEnd[i] = matches[i] + regExp[i].cap(1).length(); - if(matches[i] < minidx) { - minidx = matches[i]; - type = i; - } + if(matches[i] < 0 || matchEnd[i] > str.length()) continue; + if(idx >= matchEnd[i]) { + matches[i] = str.indexOf(regExp[i], 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; } } if(type >= 0) { idx = matchEnd[type]; + if(type == Clickable::Url && str.at(idx-1) == ')') { // special case: closing paren only matches if we had an open one + if(!str.mid(matches[type], matchEnd[type]-matches[type]).contains('(')) matchEnd[type]--; + } result.append(Clickable((Clickable::Type)type, matches[type], matchEnd[type] - matches[type])); } } while(type >= 0); @@ -363,8 +459,8 @@ QList ContentsChatItem::findClickables() { QVector ContentsChatItem::additionalFormats() const { // mark a clickable if hovered upon QVector fmt; - if(layoutData()->currentClickable.isValid()) { - Clickable click = layoutData()->currentClickable; + if(privateData()->currentClickable.isValid()) { + Clickable click = privateData()->currentClickable; QTextLayout::FormatRange f; f.start = click.start; f.length = click.length; @@ -374,57 +470,142 @@ QVector ContentsChatItem::additionalFormats() const { return fmt; } -void ContentsChatItem::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) { - // FIXME dirty and fast hack to make http:// urls klickable +void ContentsChatItem::endHoverMode() { + if(hasPrivateData()) { + if(privateData()->currentClickable.isValid()) { + setCursor(Qt::ArrowCursor); + privateData()->currentClickable = Clickable(); + } + clearWebPreview(); + update(); + } +} - QRegExp regex("\\b([hf]t{1,2}ps?://[^\\s]+)\\b"); - QString str = data(ChatLineModel::DisplayRole).toString(); - int idx = posToCursor(event->pos()); - int mi = 0; - do { - mi = regex.indexIn(str, mi); - if(mi < 0) break; - if(idx >= mi && idx < mi + regex.matchedLength()) { - QDesktopServices::openUrl(QUrl(regex.capturedTexts()[1])); - break; +void ContentsChatItem::handleClick(const QPointF &pos, ChatScene::ClickMode clickMode) { + if(clickMode == ChatScene::SingleClick) { + Clickable click = privateData()->currentClickable; + 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.toAscii())); + break; + case Clickable::Channel: + // TODO join or whatever... + break; + default: + break; + } } - mi += regex.matchedLength(); - } while(mi >= 0); - event->accept(); + } else if(clickMode == ChatScene::DoubleClick) { + chatScene()->setSelectingItem(this); + setSelectionMode(PartialSelection); + Clickable click = privateData()->currentClickable; + if(click.isValid()) { + setSelectionStart(click.start); + setSelectionEnd(click.start + click.length); + } else { + // find word boundary + QString str = data(ChatLineModel::DisplayRole).toString(); + qint16 cursor = posToCursor(pos); + qint16 start = str.lastIndexOf(QRegExp("\\W"), cursor) + 1; + qint16 end = qMin(str.indexOf(QRegExp("\\W"), cursor), str.length()); + if(end < 0) end = str.length(); + setSelectionStart(start); + setSelectionEnd(end); + } + update(); + } else if(clickMode == ChatScene::TripleClick) { + setSelection(PartialSelection, 0, data(ChatLineModel::DisplayRole).toString().length()); + } + ChatItem::handleClick(pos, clickMode); } void ContentsChatItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event) { // mouse move events always mean we're not hovering anymore... - if(layoutData()->currentClickable.isValid()) { - layoutData()->currentClickable = Clickable(); - update(); - } + endHoverMode(); ChatItem::mouseMoveEvent(event); } -void ContentsChatItem::hoverEnterEvent(QGraphicsSceneHoverEvent *event) { - //layoutData()->currentClickable = event->pos(); +void ContentsChatItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *event) { + endHoverMode(); event->accept(); } -void ContentsChatItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *event) { - if(layoutData()->currentClickable.isValid()) { - layoutData()->currentClickable = Clickable(); - update(); +void ContentsChatItem::hoverMoveEvent(QGraphicsSceneHoverEvent *event) { + bool onClickable = false; + qint16 idx = posToCursor(event->pos()); + for(int i = 0; i < privateData()->clickables.count(); i++) { + Clickable click = privateData()->clickables.at(i); + if(idx >= click.start && idx < click.start + click.length) { + if(click.type == Clickable::Url) { + onClickable = true; + showWebPreview(click); + } else if(click.type == Clickable::Channel) { + // TODO: don't make clickable if it's our own name + // onClickable = true; //FIXME disabled for now + } + if(onClickable) { + setCursor(Qt::PointingHandCursor); + privateData()->currentClickable = click; + update(); + break; + } + } } + if(!onClickable) endHoverMode(); event->accept(); } -void ContentsChatItem::hoverMoveEvent(QGraphicsSceneHoverEvent *event) { +void ContentsChatItem::contextMenuEvent(QGraphicsSceneContextMenuEvent *event) { qint16 idx = posToCursor(event->pos()); - for(int i = 0; i < layoutData()->clickables.count(); i++) { - Clickable click = layoutData()->clickables.at(i); + for(int i = 0; i < privateData()->clickables.count(); i++) { + Clickable click = privateData()->clickables.at(i); if(idx >= click.start && idx < click.start + click.length) { - layoutData()->currentClickable = click; - update(); + if(click.type == Clickable::Url) { + QMenu menu; + QAction *copyToClipboard = menu.addAction(QObject::tr("Copy to Clipboard")); + QAction *selected = menu.exec(event->screenPos()); + if(selected == copyToClipboard) { + QString url = data(ChatLineModel::DisplayRole).toString().mid(click.start, click.length); +# ifdef Q_WS_X11 + QApplication::clipboard()->setText(url, QClipboard::Selection); +# endif +//# else + QApplication::clipboard()->setText(url); +//# endif + } + } } } - event->accept(); +} + +void ContentsChatItem::showWebPreview(const Clickable &click) { +#ifndef HAVE_WEBKIT + Q_UNUSED(click); +#else + 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; + chatScene()->loadWebPreview(this, url, urlRect); +#endif +} + +void ContentsChatItem::clearWebPreview() { +#ifdef HAVE_WEBKIT + chatScene()->clearWebPreview(this); +#endif } /*************************************************************************************************/ @@ -434,9 +615,8 @@ ContentsChatItem::WrapColumnFinder::WrapColumnFinder(ChatItem *_item) layout(0), wrapList(item->data(ChatLineModel::WrapListRole).value()), wordidx(0), - lastwrapcol(0), - lastwrappos(0), - w(0) + lineCount(0), + choppedTrailing(0) { } @@ -445,33 +625,51 @@ ContentsChatItem::WrapColumnFinder::~WrapColumnFinder() { } qint16 ContentsChatItem::WrapColumnFinder::nextWrapColumn() { - while(wordidx < wrapList.count()) { - w += wrapList.at(wordidx).width; - if(w >= item->width()) { - if(lastwrapcol >= wrapList.at(wordidx).start) { - // first word, and it doesn't fit - if(!line.isValid()) { - layout = item->createLayout(QTextOption::NoWrap); - layout->beginLayout(); - line = layout->createLine(); - line.setLineWidth(item->width()); - layout->endLayout(); - } - int idx = line.xToCursor(lastwrappos + item->width(), QTextLine::CursorOnCharacter); - qreal x = line.cursorToX(idx, QTextLine::Trailing); - w = w - wrapList.at(wordidx).width - (x - lastwrappos); - lastwrappos = x; - lastwrapcol = idx; - return idx; - } - // not the first word, so just wrap before this - lastwrapcol = wrapList.at(wordidx).start; - lastwrappos = lastwrappos + w - wrapList.at(wordidx).width; - w = 0; - return lastwrapcol; + if(wordidx >= wrapList.count()) + return -1; + + lineCount++; + qreal targetWidth = lineCount * item->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()) { + layout = item->createLayout(QTextOption::NoWrap); + layout->beginLayout(); + line = layout->createLine(); + layout->endLayout(); } - w += wrapList.at(wordidx).trailing; - wordidx++; + 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; } +