X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fqtui%2Fchatitem.cpp;h=c40fd34b96b687fba09b544763c9dbf4580a6226;hp=487c2f2fc7e3a23db72df88ad732b7b58b245125;hb=5bc6dee39199868071a4926ae9859daa587537f7;hpb=39e2a78383295f86c5aa2dadbeac6f02b53eb7a4 diff --git a/src/qtui/chatitem.cpp b/src/qtui/chatitem.cpp index 487c2f2f..c40fd34b 100644 --- a/src/qtui/chatitem.cpp +++ b/src/qtui/chatitem.cpp @@ -1,5 +1,5 @@ /*************************************************************************** - * Copyright (C) 2005-08 by the Quassel Project * + * Copyright (C) 2005-09 by the Quassel Project * * devel@quassel-irc.org * * * * This program is free software; you can redistribute it and/or modify * @@ -18,55 +18,65 @@ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * ***************************************************************************/ +#include +#include +#include #include #include #include +#include #include +#include +#include "buffermodel.h" +#include "bufferview.h" #include "chatitem.h" #include "chatlinemodel.h" +#include "contextmenuactionprovider.h" +#include "iconloader.h" +#include "mainwin.h" #include "qtui.h" +#include "qtuistyle.h" -ChatItem::ChatItem(const QPersistentModelIndex &index_, QGraphicsItem *parent) : QGraphicsItem(parent), _index(index_) { - _fontMetrics = QtUi::style()->fontMetrics(data(ChatLineModel::FormatRole).value().at(0).second); - _layout = 0; - _lines = 0; -} - -ChatItem::~ChatItem() { - delete _layout; +ChatItem::ChatItem(const qreal &width, const qreal &height, const QPointF &pos, QGraphicsItem *parent) + : QGraphicsItem(parent), + _boundingRect(0, 0, width, height), + _selectionMode(NoSelection), + _selectionStart(-1) +{ + setAcceptHoverEvents(true); + setZValue(20); + setPos(pos); } QVariant ChatItem::data(int role) const { - if(!_index.isValid()) { - qWarning() << "ChatItem::data(): Model index is invalid!" << _index; + QModelIndex index = model()->index(row(), column()); + if(!index.isValid()) { + qWarning() << "ChatItem::data(): model index is invalid!" << index; return QVariant(); } - return _index.data(role); -} - -int ChatItem::setWidth(int w) { - if(w == _boundingRect.width()) return _boundingRect.height(); - prepareGeometryChange(); - _boundingRect.setWidth(w); - int h = heightForWidth(w); - _boundingRect.setHeight(h); - if(haveLayout()) updateLayout(); - return h; + return model()->data(index, role); } -int ChatItem::heightForWidth(int width) { - if(data(ChatLineModel::ColumnTypeRole).toUInt() != ChatLineModel::ContentsColumn) - return fontMetrics()->lineSpacing(); // only contents can be multi-line +qint16 ChatItem::posToCursor(const QPointF &pos) const { + if(pos.y() > height()) return data(MessageModel::DisplayRole).toString().length(); + if(pos.y() < 0) return 0; - _lines = 1; - WrapColumnFinder finder(this); - while(finder.nextWrapColumn() > 0) _lines++; - return _lines * fontMetrics()->lineSpacing(); + QTextLayout layout; + initLayout(&layout); + for(int l = layout.lineCount() - 1; l >= 0; l--) { + QTextLine line = layout.lineAt(l); + if(pos.y() >= line.y()) { + return line.xToCursor(pos.x(), QTextLine::CursorOnCharacter); + } + } + return 0; } -QTextLayout *ChatItem::createLayout(QTextOption::WrapMode wrapMode, Qt::Alignment alignment) { - QTextLayout *layout = new QTextLayout(data(MessageModel::DisplayRole).toString()); +void ChatItem::initLayoutHelper(QTextLayout *layout, QTextOption::WrapMode wrapMode, Qt::Alignment alignment) const { + Q_ASSERT(layout); + + layout->setText(data(MessageModel::DisplayRole).toString()); QTextOption option; option.setWrapMode(wrapMode); @@ -74,126 +84,636 @@ QTextLayout *ChatItem::createLayout(QTextOption::WrapMode wrapMode, Qt::Alignmen layout->setTextOption(option); QList formatRanges - = QtUi::style()->toTextLayoutList(data(MessageModel::FormatRole).value(), layout->text().length()); + = QtUi::style()->toTextLayoutList(formatList(), layout->text().length(), data(ChatLineModel::MsgLabelRole).toUInt()); layout->setAdditionalFormats(formatRanges); - return layout; -} - -void ChatItem::updateLayout() { - switch(data(ChatLineModel::ColumnTypeRole).toUInt()) { - case ChatLineModel::TimestampColumn: - if(!haveLayout()) _layout = createLayout(QTextOption::WrapAnywhere, Qt::AlignLeft); - // fallthrough - case ChatLineModel::SenderColumn: - if(!haveLayout()) _layout = createLayout(QTextOption::WrapAnywhere, Qt::AlignRight); - _layout->beginLayout(); - { - QTextLine line = _layout->createLine(); - if(line.isValid()) { - line.setLineWidth(width()); - line.setPosition(QPointF(0, fontMetrics()->leading())); - } - _layout->endLayout(); - } +} + +UiStyle::FormatList ChatItem::formatList() const { + return data(MessageModel::FormatRole).value(); +} + +void ChatItem::doLayout(QTextLayout *layout) const { + layout->beginLayout(); + QTextLine line = layout->createLine(); + if(line.isValid()) { + line.setLineWidth(width()); + line.setPosition(QPointF(0,0)); + } + layout->endLayout(); +} + +void ChatItem::paintBackground(QPainter *painter) { + painter->setClipRect(boundingRect()); // no idea why QGraphicsItem clipping won't work + + QVariant bgBrush; + if(_selectionMode == FullSelection) + bgBrush = data(ChatLineModel::SelectedBackgroundRole); + else + bgBrush = data(ChatLineModel::BackgroundRole); + if(bgBrush.isValid()) + painter->fillRect(boundingRect(), bgBrush.value()); +} + +// 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); + paintBackground(painter); + + QTextLayout layout; + initLayout(&layout); + layout.draw(painter, QPointF(0,0), additionalFormats(), boundingRect()); + + // layout()->draw(painter, QPointF(0,0), formats, boundingRect()); + + // 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)); +} + +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; - case ChatLineModel::ContentsColumn: { - if(!haveLayout()) _layout = createLayout(QTextOption::WrapAnywhere); - - // Now layout - ChatLineModel::WrapList wrapList = data(ChatLineModel::WrapListRole).value(); - if(!wrapList.count()) return; // empty chatitem - int wordidx = 0; - ChatLineModel::Word word = wrapList.at(0); - - qreal h = 0; - WrapColumnFinder finder(this); - _layout->beginLayout(); - forever { - QTextLine line = _layout->createLine(); - if (!line.isValid()) - break; - - int col = finder.nextWrapColumn(); - line.setNumColumns(col >= 0 ? col - line.textStart() : _layout->text().length()); - - h += fontMetrics()->leading(); - line.setPosition(QPointF(0, h)); - h += line.height(); + + // 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 ChatItem::additionalFormats() const { + return selectionFormats(); +} + +QVector ChatItem::selectionFormats() const { + if(!hasSelection()) + return QVector(); + + int start, end; + if(_selectionMode == FullSelection) { + start = 0; + end = data(MessageModel::DisplayRole).toString().length(); + } else { + start = qMin(_selectionStart, _selectionEnd); + end = qMax(_selectionStart, _selectionEnd); + } + + UiStyle::FormatList fmtList = formatList(); + + while(fmtList.count() > 1 && fmtList.at(1).first <= start) + fmtList.removeFirst(); + + fmtList.first().first = start; + + while(fmtList.count() > 1 && fmtList.last().first >= end) + fmtList.removeLast(); + + return QtUi::style()->toTextLayoutList(fmtList, end, UiStyle::Selected|data(ChatLineModel::MsgLabelRole).toUInt()).toVector(); +} + +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; + update(); + } +} + +void ChatItem::clearSelection() { + if(_selectionMode != NoSelection) { + _selectionMode = NoSelection; + update(); + } +} + +void ChatItem::continueSelecting(const QPointF &pos) { + _selectionMode = PartialSelection; + _selectionEnd = posToCursor(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; +} + +QList ChatItem::findWords(const QString &searchWord, Qt::CaseSensitivity caseSensitive) { + QList resultList; + const QAbstractItemModel *model_ = model(); + if(!model_) + return resultList; + + QString plainText = model_->data(model_->index(row(), column()), MessageModel::DisplayRole).toString(); + QList indexList; + int searchIdx = plainText.indexOf(searchWord, 0, caseSensitive); + while(searchIdx != -1) { + indexList << searchIdx; + searchIdx = plainText.indexOf(searchWord, searchIdx + 1, caseSensitive); + } + + QTextLayout layout; + initLayout(&layout); + foreach(int idx, indexList) { + QTextLine line = layout.lineForTextPosition(idx); + qreal x = line.cursorToX(idx); + qreal width = line.cursorToX(idx + searchWord.count()) - x; + qreal height = line.height(); + qreal y = height * line.lineNumber(); + resultList << QRectF(x, y, width, height); + } + + return resultList; +} + +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(pos); + _selectionMode = NoSelection; // will be set to PartialSelection by mouseMoveEvent + update(); + } +} + +void ChatItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event) { + if(event->buttons() == Qt::LeftButton) { + if(contains(event->pos())) { + qint16 end = posToCursor(event->pos()); + if(end != _selectionEnd) { + _selectionEnd = end; + _selectionMode = (_selectionStart != _selectionEnd ? PartialSelection : NoSelection); + update(); } - _layout->endLayout(); + } else { + setFullSelection(); + chatScene()->startGlobalSelection(this, event->pos()); } - break; + event->accept(); + } else { + event->ignore(); } } -void ChatItem::clearLayout() { - delete _layout; - _layout = 0; +void ChatItem::mousePressEvent(QGraphicsSceneMouseEvent *event) { + if(event->buttons() == Qt::LeftButton) + event->accept(); + else + event->ignore(); } -void ChatItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) { +void ChatItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) { + if(_selectionMode != NoSelection && event->button() == Qt::LeftButton) { + chatScene()->selectionToClipboard(QClipboard::Selection); + event->accept(); + } else + event->ignore(); +} + +void ChatItem::addActionsToMenu(QMenu *menu, const QPointF &pos) { + Q_UNUSED(pos); + + GraphicalUi::contextMenuActionProvider()->addActions(menu, chatScene()->filter(), data(MessageModel::BufferIdRole).value()); +} + +// ************************************************************ +// SenderChatItem +// ************************************************************ + +void SenderChatItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) { Q_UNUSED(option); Q_UNUSED(widget); - if(!haveLayout()) updateLayout(); - _layout->draw(painter, QPointF(0,0), QVector(), boundingRect()); - //painter->drawRect(boundingRect()); + paintBackground(painter); + + QTextLayout layout; + initLayout(&layout); + 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); + 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), additionalFormats()); + 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 { + layout.draw(painter, QPointF(0,0), additionalFormats(), boundingRect()); + } } -/* -void ChatItem::mouseMoveEvent ( QGraphicsSceneMouseEvent * event ) { - qDebug() << (void*)this << "moving" << event->pos(); - if(event->pos().y() < 0) { - QTextCursor cursor(document()); - //cursor.insertText("foo"); - //cursor.select(QTextCursor::Document); - event->ignore(); - } else QGraphicsTextItem::mouseMoveEvent(event); +// ************************************************************ +// ContentsChatItem +// ************************************************************ + +ContentsChatItem::ActionProxy ContentsChatItem::_actionProxy; + +ContentsChatItem::ContentsChatItem(const qreal &width, const QPointF &pos, QGraphicsItem *parent) + : ChatItem(0, 0, pos, parent), + _data(0) +{ + setGeometryByWidth(width); } -*/ -/*************************************************************************************************/ +QFontMetricsF *ContentsChatItem::fontMetrics() const { + return QtUi::style()->fontMetrics(data(ChatLineModel::FormatRole).value().at(0).second, 0); +} + +ContentsChatItem::~ContentsChatItem() { + delete _data; +} + +ContentsChatItemPrivate *ContentsChatItem::privateData() const { + if(!_data) { + ContentsChatItem *that = const_cast(this); + that->_data = new ContentsChatItemPrivate(ClickableList::fromString(data(ChatLineModel::DisplayRole).toString()), that); + } + return _data; +} + +qreal ContentsChatItem::setGeometryByWidth(qreal w) { + // 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(); + setGeometry(w, h); + } + return h; +} + +void ContentsChatItem::doLayout(QTextLayout *layout) const { + // QString t = data(Qt::DisplayRole).toString(); bool d = t.contains("protien"); + ChatLineModel::WrapList wrapList = data(ChatLineModel::WrapListRole).value(); + if(!wrapList.count()) return; // empty chatitem + + 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; + + int col = finder.nextWrapColumn(width()); + if(col < 0) + col = layout->text().length(); + int num = col - line.textStart(); + + line.setNumColumns(num); + + // 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(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()); + } + + line.setPosition(QPointF(0, h)); + h += spacing; + } + layout->endLayout(); +} + +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(click.type() == Clickable::Url) { + overlayFormat(fmtList, click.start(), click.start() + click.length(), UiStyle::Url); + } + } + return fmtList; +} + +QVector ContentsChatItem::additionalFormats() const { + QVector fmt = ChatItem::additionalFormats(); + // mark a clickable if hovered upon + if(privateData()->currentClickable.isValid()) { + Clickable click = privateData()->currentClickable; + QTextLayout::FormatRange f; + f.start = click.start(); + f.length = click.length(); + f.format.setFontUnderline(true); + fmt.append(f); + } + return fmt; +} + +void ContentsChatItem::endHoverMode() { + if(privateData()) { + if(privateData()->currentClickable.isValid()) { + setCursor(Qt::ArrowCursor); + privateData()->currentClickable = Clickable(); + } + clearWebPreview(); + update(); + } +} + +void ContentsChatItem::handleClick(const QPointF &pos, ChatScene::ClickMode clickMode) { + if(clickMode == ChatScene::SingleClick) { + qint16 idx = posToCursor(pos); + Clickable foo = privateData()->clickables.atCursorPos(idx); + if(foo.isValid()) { + NetworkId networkId = Client::networkModel()->networkId(data(MessageModel::BufferIdRole).value()); + 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()); + } 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... + endHoverMode(); + ChatItem::mouseMoveEvent(event); +} -ChatItem::WrapColumnFinder::WrapColumnFinder(ChatItem *_item) : item(_item) { - wrapList = item->data(ChatLineModel::WrapListRole).value(); - wordidx = 0; - layout = 0; - lastwrapcol = 0; - lastwrappos = 0; - w = 0; -} - -ChatItem::WrapColumnFinder::~WrapColumnFinder() { - delete layout; -} - -int ChatItem::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; +void ContentsChatItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *event) { + endHoverMode(); + event->accept(); +} + +void ContentsChatItem::hoverMoveEvent(QGraphicsSceneHoverEvent *event) { + bool onClickable = false; + Clickable click = clickableAt(event->pos()); + if(click.isValid()) { + 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()); + // don't make clickable if it's our own name + BufferId myId = data(MessageModel::BufferIdRole).value(); + if(Client::networkModel()->bufferName(myId) != name) + onClickable = true; + } + if(onClickable) { + setCursor(Qt::PointingHandCursor); + privateData()->currentClickable = click; + update(); + return; + } + } + if(!onClickable) endHoverMode(); + event->accept(); +} + +void ContentsChatItem::addActionsToMenu(QMenu *menu, const QPointF &pos) { + if(privateData()->currentClickable.isValid()) { + Clickable click = privateData()->currentClickable; + switch(click.type()) { + case Clickable::Url: + privateData()->activeClickable = click; + menu->addAction(SmallIcon("edit-copy"), tr("Copy Link Address"), + &_actionProxy, SLOT(copyLinkToClipboard()))->setData(QVariant::fromValue(this)); + break; + case Clickable::Channel: { + // 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()); + GraphicalUi::contextMenuActionProvider()->addActions(menu, chatScene()->filter(), data(MessageModel::BufferIdRole).value(), name); + break; } - // 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; + default: + break; + } + } else { + // Buffer-specific actions + ChatItem::addActionsToMenu(menu, pos); + } +} + +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(!url.contains("://")) + url = "http://" + url; + chatScene()->stringToClipboard(url); + } +} + +/******** WEB PREVIEW *****************************************************************************/ + +void ContentsChatItem::showWebPreview(const Clickable &click) { +#ifndef HAVE_WEBKIT + Q_UNUSED(click); +#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; + 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 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 +} + +void ContentsChatItem::clearWebPreview() { +#ifdef HAVE_WEBKIT + chatScene()->clearWebPreview(this); +#endif +} + +/*************************************************************************************************/ + +ContentsChatItem::WrapColumnFinder::WrapColumnFinder(const ChatItem *_item) + : item(_item), + wrapList(item->data(ChatLineModel::WrapListRole).value()), + 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(); } - 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; } + +/*************************************************************************************************/ +