X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fqtui%2Fchatitem.cpp;h=9c84249ce594d3597c0838aaf4dcced4e80e6efc;hp=7dd7aba82df027599a95830bd5ca6c79d95d7a58;hb=b0238fe2f113dd23df01eeb0491f0afe39847994;hpb=62192fb6cd9cc211b5b9fe844c9b4c2f98f923cc diff --git a/src/qtui/chatitem.cpp b/src/qtui/chatitem.cpp index 7dd7aba8..9c84249c 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 * @@ -26,27 +26,27 @@ #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(ChatLineModel::ColumnType col, QAbstractItemModel *model, QGraphicsItem *parent) +ChatItem::ChatItem(const qreal &width, const qreal &height, const QPointF &pos, QGraphicsItem *parent) : QGraphicsItem(parent), - _fontMetrics(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); -} - -ChatItem::~ChatItem() { - delete _layout; + setPos(pos); } QVariant ChatItem::data(int role) const { @@ -58,23 +58,10 @@ 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 -} +void ChatItem::initLayoutHelper(QTextLayout *layout, QTextOption::WrapMode wrapMode, Qt::Alignment alignment) const { + Q_ASSERT(layout); -QTextLayout *ChatItem::createLayout(QTextOption::WrapMode wrapMode, Qt::Alignment alignment) { - QTextLayout *layout = new QTextLayout(data(MessageModel::DisplayRole).toString()); + layout->setText(data(MessageModel::DisplayRole).toString()); QTextOption option; option.setWrapMode(wrapMode); @@ -84,61 +71,69 @@ QTextLayout *ChatItem::createLayout(QTextOption::WrapMode wrapMode, Qt::Alignmen QList formatRanges = QtUi::style()->toTextLayoutList(data(MessageModel::FormatRole).value(), layout->text().length()); layout->setAdditionalFormats(formatRanges); - return layout; } -void ChatItem::updateLayout() { - if(!haveLayout()) - setLayout(createLayout(QTextOption::WrapAnywhere, Qt::AlignLeft)); - - layout()->beginLayout(); - QTextLine line = layout()->createLine(); +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(); + layout->endLayout(); } -void ChatItem::clearLayout() { - delete _layout; - _layout = 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(); 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; - 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); - } - layout()->draw(painter, QPointF(0,0), formats, boundingRect()); + QVector formats = additionalFormats(); + QTextLayout::FormatRange selectFmt = selectionFormat(); + if(selectFmt.format.isValid()) formats.append(selectFmt); + QTextLayout layout; + initLayout(&layout); + layout.draw(painter, QPointF(0,0), formats, 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)); } -qint16 ChatItem::posToCursor(const QPointF &pos) { +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); + + 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); } @@ -146,6 +141,30 @@ 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 +173,10 @@ void ChatItem::setFullSelection() { } void ChatItem::clearSelection() { - _selectionMode = NoSelection; - update(); + if(_selectionMode != NoSelection) { + _selectionMode = NoSelection; + update(); + } } void ChatItem::continueSelecting(const QPointF &pos) { @@ -164,6 +185,35 @@ 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 +228,27 @@ QList ChatItem::findWords(const QString &searchWord, Qt::CaseSensitivity searchIdx = plainText.indexOf(searchWord, searchIdx + 1, caseSensitive); } - if(!haveLayout()) - updateLayout(); - + QTextLayout layout; + initLayout(&layout); foreach(int idx, indexList) { - QTextLine line = layout()->lineForTextPosition(idx); + 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); } + 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(); } } @@ -223,159 +271,465 @@ 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); + if(_selectionMode != NoSelection && event->button() == Qt::LeftButton) { + chatScene()->selectionToClipboard(QClipboard::Selection); event->accept(); - } else { + } 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); -void SenderChatItem::updateLayout() { - if(!haveLayout()) setLayout(createLayout(QTextOption::WrapAnywhere, Qt::AlignRight)); - ChatItem::updateLayout(); + painter->setClipRect(boundingRect()); // no idea why QGraphicsItem clipping won't work + 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); + + 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 { + layout.draw(painter, QPointF(0,0), QVector() << selectFmt, boundingRect()); + } } -/*************************************************************************************************/ +// ************************************************************ +// ContentsChatItem +// ************************************************************ -ContentsChatItem::ContentsChatItem(QAbstractItemModel *model, QGraphicsItem *parent) : ChatItem(column(), model, parent), - _layoutData(0) +ContentsChatItem::ActionProxy ContentsChatItem::_actionProxy; + +ContentsChatItem::ContentsChatItem(const qreal &width, const QPointF &pos, QGraphicsItem *parent) + : ChatItem(0, 0, pos, parent), + _data(0) { + 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; + delete _data; } -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->layout = layout; +ContentsChatItemPrivate *ContentsChatItem::privateData() const { + if(!_data) { + ContentsChatItem *that = const_cast(this); + that->_data = new ContentsChatItemPrivate(findClickables(), that); + } + return _data; } -void ContentsChatItem::clearLayout() { - delete _layoutData; - _layoutData = 0; +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()); + delete _data; + _data = 0; + } + return height(); } -void ContentsChatItem::updateLayout() { - if(!haveLayout()) setLayout(createLayout(QTextOption::WrapAnywhere)); - - // Now layout +void ContentsChatItem::doLayout(QTextLayout *layout) const { ChatLineModel::WrapList wrapList = data(ChatLineModel::WrapListRole).value(); if(!wrapList.count()) return; // empty chatitem qreal h = 0; WrapColumnFinder finder(this); - layout()->beginLayout(); + layout->beginLayout(); forever { - QTextLine line = layout()->createLine(); + QTextLine line = layout->createLine(); if(!line.isValid()) break; int col = finder.nextWrapColumn(); - line.setNumColumns(col >= 0 ? col - line.textStart() : layout()->text().length()); + 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(); + layout->endLayout(); } -void ContentsChatItem::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) { - // FIXME dirty and fast hack to make http:// urls klickable +// 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() 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 + + qint16 matches[] = { 0, 0, 0 }; + qint16 matchEnd[] = { 0, 0, 0 }; - QRegExp regex("\\b([hf]t{1,2}ps?://[^\\s]+)\\b"); QString str = data(ChatLineModel::DisplayRole).toString(); - int idx = posToCursor(event->pos()); - int mi = 0; + + QList result; + qint16 idx = 0; + qint16 minidx; + int type = -1; + do { - mi = regex.indexIn(str, mi); - if(mi < 0) break; - if(idx >= mi && idx < mi + regex.matchedLength()) { - QDesktopServices::openUrl(QUrl(regex.capturedTexts()[1])); - break; + 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; + } } - mi += regex.matchedLength(); - } while(mi >= 0); - event->accept(); + 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])); + } + } while(type >= 0); + + /* testing + if(!result.isEmpty()) qDebug() << str; + foreach(Clickable click, result) { + qDebug() << str.mid(click.start, click.length); + } + */ + return result; +} + +ContentsChatItem::Clickable ContentsChatItem::clickableAt(const QPointF &pos) const { + qint16 idx = posToCursor(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) + return click; + } + return Clickable(); } -void ContentsChatItem::hoverEnterEvent(QGraphicsSceneHoverEvent *event) { - //qDebug() << (void*)this << "entering"; - event->ignore(); +QVector ContentsChatItem::additionalFormats() const { + // mark a clickable if hovered upon + QVector fmt; + 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) { + 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 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; + } + } + } 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); } void ContentsChatItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *event) { - //qDebug() << (void*)this << "leaving"; - event->ignore(); + endHoverMode(); + event->accept(); } void ContentsChatItem::hoverMoveEvent(QGraphicsSceneHoverEvent *event) { - //qDebug() << (void*)this << event->pos(); - event->ignore(); + 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; + } + 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 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 } /*************************************************************************************************/ -ContentsChatItem::WrapColumnFinder::WrapColumnFinder(ChatItem *_item) +ContentsChatItem::WrapColumnFinder::WrapColumnFinder(const ChatItem *_item) : item(_item), - layout(0), wrapList(item->data(ChatLineModel::WrapListRole).value()), wordidx(0), - lastwrapcol(0), - lastwrappos(0), - w(0) + lineCount(0), + choppedTrailing(0) { } ContentsChatItem::WrapColumnFinder::~WrapColumnFinder() { - delete layout; } 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()) { + 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; } - w += wrapList.at(wordidx).trailing; - wordidx++; } + Q_ASSERT(false); return -1; } + +/*************************************************************************************************/ +