X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fqtui%2Fchatitem.cpp;h=7e26f000bc73a63c3a4293d5c024ec14fc309852;hp=50d74f5e377d5ef509a0d5e8476cfc5f0bb1da04;hb=e65e46d007d7f5f59274590dec3bc1d8e5f94e91;hpb=49fd75e982cfddf27a59429d25acb03c8b9e6c75 diff --git a/src/qtui/chatitem.cpp b/src/qtui/chatitem.cpp index 50d74f5e..7e26f000 100644 --- a/src/qtui/chatitem.cpp +++ b/src/qtui/chatitem.cpp @@ -26,27 +26,30 @@ #include #include #include +#ifdef HAVE_WEBKIT +#include +#endif +#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 { @@ -58,20 +61,6 @@ 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(); - _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 *layout = new QTextLayout(data(MessageModel::DisplayRole).toString()); @@ -87,28 +76,30 @@ QTextLayout *ChatItem::createLayout(QTextOption::WrapMode wrapMode, Qt::Alignmen } void ChatItem::updateLayout() { - if(!haveLayout()) - setLayout(createLayout(QTextOption::WrapAnywhere, Qt::AlignLeft)); - - layout()->beginLayout(); - QTextLine line = layout()->createLine(); + if(!privateData()) { + setPrivateData(new ChatItemPrivate(createLayout())); + } + 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; } // 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(); + if(!hasLayout()) + updateLayout(); painter->setClipRect(boundingRect()); // no idea why QGraphicsItem clipping won't work //if(_selectionMode == FullSelection) { //painter->save(); @@ -130,12 +121,29 @@ void ChatItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, formats.append(selectFmt); } layout()->draw(painter, QPointF(0,0), formats, boundingRect()); + + // Debuging Stuff + // uncomment the following lines to draw the bounding rect and the row number in alternating colors +// if(row() % 2) +// painter->setPen(Qt::red); +// else +// painter->setPen(Qt::blue); +// QString rowString = QString::number(row()); +// QRect rowRect = painter->fontMetrics().boundingRect(rowString); +// QPointF topPoint = _boundingRect.topLeft(); +// topPoint.ry() += rowRect.height(); +// painter->drawText(topPoint, rowString); +// QPointF bottomPoint = _boundingRect.bottomRight(); +// bottomPoint.rx() -= rowRect.width(); +// painter->drawText(bottomPoint, rowString); +// painter->drawRect(_boundingRect.adjusted(0, 0, -1, -1)); } qint16 ChatItem::posToCursor(const QPointF &pos) { if(pos.y() > height()) return data(MessageModel::DisplayRole).toString().length(); if(pos.y() < 0) return 0; - if(!haveLayout()) updateLayout(); + if(!hasLayout()) + updateLayout(); for(int l = layout()->lineCount() - 1; l >= 0; l--) { QTextLine line = layout()->lineAt(l); if(pos.y() >= line.y()) { @@ -177,17 +185,21 @@ QList ChatItem::findWords(const QString &searchWord, Qt::CaseSensitivity searchIdx = plainText.indexOf(searchWord, searchIdx + 1, caseSensitive); } - if(!haveLayout()) + bool hadLayout = hasLayout(); + if(!hadLayout) updateLayout(); 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(!hadLayout) + clearLayout(); return resultList; } @@ -234,51 +246,41 @@ void ChatItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) { } } -/*************************************************************************************************/ - -/*************************************************************************************************/ - -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::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); } -ContentsChatItem::~ContentsChatItem() { - delete _layoutData; -} - -qreal ContentsChatItem::computeHeight() { - int lines = 1; - WrapColumnFinder finder(this); - while(finder.nextWrapColumn() > 0) lines++; - return lines * fontMetrics()->lineSpacing(); -} - -void ContentsChatItem::setLayout(QTextLayout *layout) { - if(!_layoutData) { - _layoutData = new LayoutData; - _layoutData->clickables = findClickables(); - } else { - delete _layoutData->layout; +qreal ContentsChatItem::setGeometryByWidth(qreal w) { + if(w != width()) { + setWidth(w); + // compute height + int lines = 1; + WrapColumnFinder finder(this); + while(finder.nextWrapColumn() > 0) + lines++; + setHeight(lines * fontMetrics()->lineSpacing()); } - _layoutData->layout = layout; -} - -void ContentsChatItem::clearLayout() { - delete _layoutData; - _layoutData = 0; + return height(); } void ContentsChatItem::updateLayout() { - if(!haveLayout()) setLayout(createLayout(QTextOption::WrapAnywhere)); + if(!privateData()) { + ContentsChatItemPrivate *data = new ContentsChatItemPrivate(createLayout(QTextOption::WrapAnywhere), findClickables(), this); + setPrivateData(data); + } // Now layout ChatLineModel::WrapList wrapList = data(ChatLineModel::WrapListRole).value(); @@ -304,11 +306,12 @@ void ContentsChatItem::updateLayout() { // (RegExps are not constant while matching, and they are static here for efficiency) QList ContentsChatItem::findClickables() { // For matching URLs - static QString urlEnd("(?:>|[,.;:]?\\s|\\b)"); + static QString urlEnd("(?:>|[,.;:\"]*\\s|\\b|$)"); static QString urlChars("(?:[\\w\\-~@/?&=+$()!%#]|[,.;:]\\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("((?:(?:https?://|s?ftp://|irc://|mailto:)|www)%1+)%2").arg(urlChars, urlEnd)), // Channel name @@ -334,18 +337,21 @@ 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); @@ -362,8 +368,8 @@ 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; @@ -374,26 +380,31 @@ QVector ContentsChatItem::additionalFormats() const { } void ContentsChatItem::endHoverMode() { - if(layoutData()->currentClickable.isValid()) { + if(hasLayout() && privateData()->currentClickable.isValid()) { setCursor(Qt::ArrowCursor); - layoutData()->currentClickable = Clickable(); + privateData()->currentClickable = Clickable(); +#ifdef HAVE_WEBKIT + privateData()->clearPreview(); +#endif update(); } } void ContentsChatItem::mousePressEvent(QGraphicsSceneMouseEvent *event) { - layoutData()->hasDragged = false; + privateData()->hasDragged = false; ChatItem::mousePressEvent(event); } void ContentsChatItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) { - if(!event->buttons() && !layoutData()->hasDragged) { + if(!event->buttons() && !privateData()->hasDragged) { // got a click - Clickable click = layoutData()->currentClickable; + 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(str); break; case Clickable::Channel: @@ -411,9 +422,9 @@ void ContentsChatItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event) { // mouse move events always mean we're not hovering anymore... endHoverMode(); // also, check if we have dragged the mouse - if(!layoutData()->hasDragged && event->buttons() & Qt::LeftButton + if(hasLayout() && !privateData()->hasDragged && event->buttons() & Qt::LeftButton && (event->buttonDownScreenPos(Qt::LeftButton) - event->screenPos()).manhattanLength() >= QApplication::startDragDistance()) - layoutData()->hasDragged = true; + privateData()->hasDragged = true; ChatItem::mouseMoveEvent(event); } @@ -425,18 +436,34 @@ void ContentsChatItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *event) { void ContentsChatItem::hoverMoveEvent(QGraphicsSceneHoverEvent *event) { bool onClickable = false; 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) { - if(click.type == Clickable::Url) + if(click.type == Clickable::Url) { onClickable = true; - else if(click.type == Clickable::Channel) { + + if(!hasLayout()) + updateLayout(); + +#ifdef HAVE_WEBKIT + 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(); + QRectF urlRect(x, y, width, height); + QString url = data(ChatLineModel::DisplayRole).toString().mid(click.start, click.length); + if(!url.contains("://")) + url = "http://" + url; + privateData()->loadWebPreview(url, urlRect); +#endif + } else if(click.type == Clickable::Channel) { // TODO: don't make clickable if it's our own name - //onClickable = true; FIXME disabled for now + //onClickable = true; //FIXME disabled for now } if(onClickable) { setCursor(Qt::PointingHandCursor); - layoutData()->currentClickable = click; + privateData()->currentClickable = click; update(); break; } @@ -446,6 +473,93 @@ void ContentsChatItem::hoverMoveEvent(QGraphicsSceneHoverEvent *event) { event->accept(); } +// **************************************** +// ContentsChatItemPrivate +// **************************************** +ContentsChatItemPrivate::~ContentsChatItemPrivate() { +#ifdef HAVE_WEBKIT + clearPreview(); +#endif +} + +#ifdef HAVE_WEBKIT +void ContentsChatItemPrivate::loadWebPreview(const QString &url, const QRectF &urlRect) { + if(!controller) + controller = new PreviewController(contentsItem); + controller->loadPage(url, urlRect); +} + +void ContentsChatItemPrivate::clearPreview() { + delete controller; + controller = 0; +} + +ContentsChatItemPrivate::PreviewController::~PreviewController() { + if(previewItem) { + contentsItem->scene()->removeItem(previewItem); + delete previewItem; + } +} + +void ContentsChatItemPrivate::PreviewController::loadPage(const QString &newUrl, const QRectF &urlRect) { + if(newUrl.isEmpty() || newUrl == url) + return; + + url = newUrl; + QWebView *view = new QWebView; + connect(view, SIGNAL(loadFinished(bool)), this, SLOT(pageLoaded(bool))); + view->load(url); + previewItem = new ContentsChatItemPrivate::PreviewItem(view); + + QPointF sPos = contentsItem->scenePos(); + qreal previewY = sPos.y() + urlRect.y() + urlRect.height(); // bottom of url; + qreal previewX = sPos.x() + urlRect.x(); + if(previewY + previewItem->boundingRect().height() > contentsItem->scene()->sceneRect().bottom()) + previewY = sPos.y() + urlRect.y() - previewItem->boundingRect().height(); + + if(previewX + previewItem->boundingRect().width() > contentsItem->scene()->sceneRect().width()) + previewX = contentsItem->scene()->sceneRect().right() - previewItem->boundingRect().width(); + + previewItem->setPos(previewX, previewY); + contentsItem->scene()->addItem(previewItem); +} + +void ContentsChatItemPrivate::PreviewController::pageLoaded(bool success) { + Q_UNUSED(success) +} + +ContentsChatItemPrivate::PreviewItem::PreviewItem(QWebView *webView) + : QGraphicsItem(0), // needs to be a top level item as we otherwise cannot guarantee that it's on top of other chatlines + _boundingRect(0, 0, 400, 300) +{ + qreal frameWidth = 5; + webView->resize(1000, 750); + QGraphicsProxyWidget *proxyItem = new QGraphicsProxyWidget(this); + proxyItem->setWidget(webView); + proxyItem->setAcceptHoverEvents(false); + + qreal xScale = (_boundingRect.width() - 2 * frameWidth) / webView->width(); + qreal yScale = (_boundingRect.height() - 2 * frameWidth) / webView->height(); + proxyItem->scale(xScale, yScale); + proxyItem->setPos(frameWidth, frameWidth); + + setZValue(30); +} + +void ContentsChatItemPrivate::PreviewItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) { + Q_UNUSED(option); Q_UNUSED(widget); + painter->setClipRect(boundingRect()); + painter->setPen(QPen(Qt::black, 5)); + painter->setBrush(Qt::black); + painter->setRenderHints(QPainter::Antialiasing); + painter->drawRoundedRect(boundingRect(), 10, 10); + + painter->setPen(QPen(Qt::green)); + QString text = QString::number(zValue()); + painter->drawText(_boundingRect.center(), text); +} +#endif // #ifdef HAVE_WEBKIT + /*************************************************************************************************/ ContentsChatItem::WrapColumnFinder::WrapColumnFinder(ChatItem *_item) @@ -453,9 +567,8 @@ 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) { } @@ -464,33 +577,51 @@ 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; } +