X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fqtui%2Fchatitem.cpp;h=e0d3e221dbad9bc4cc8388eb703a9a03cde616ac;hp=cef2598aca914591855b3e4790dfcab7a12579d8;hb=8efabae6c310d17265eaeb03df43ffe8b555a52e;hpb=dcf8bbf7186419fcf1fce2db713a838b52ac2355 diff --git a/src/qtui/chatitem.cpp b/src/qtui/chatitem.cpp index cef2598a..e0d3e221 100644 --- a/src/qtui/chatitem.cpp +++ b/src/qtui/chatitem.cpp @@ -18,9 +18,12 @@ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * ***************************************************************************/ +#include +#include #include #include #include +#include #include #include "chatitem.h" @@ -31,6 +34,10 @@ ChatItem::ChatItem(const QPersistentModelIndex &index_, QGraphicsItem *parent) : _fontMetrics = QtUi::style()->fontMetrics(data(ChatLineModel::FormatRole).value().at(0).second); _layout = 0; _lines = 0; + _selectionStart = -1; + _selectionMode = NoSelection; + setAcceptHoverEvents(true); + setZValue(20); } ChatItem::~ChatItem() { @@ -45,17 +52,17 @@ QVariant ChatItem::data(int role) const { return _index.data(role); } -int ChatItem::setWidth(int w) { - w -= 10; +qreal ChatItem::setWidth(qreal w) { if(w == _boundingRect.width()) return _boundingRect.height(); + prepareGeometryChange(); _boundingRect.setWidth(w); - int h = heightForWidth(w); + qreal h = computeHeight(); _boundingRect.setHeight(h); if(haveLayout()) updateLayout(); return h; } -int ChatItem::heightForWidth(int width) { +qreal ChatItem::computeHeight() { if(data(ChatLineModel::ColumnTypeRole).toUInt() != ChatLineModel::ContentsColumn) return fontMetrics()->lineSpacing(); // only contents can be multi-line @@ -65,11 +72,12 @@ int ChatItem::heightForWidth(int width) { return _lines * fontMetrics()->lineSpacing(); } -QTextLayout *ChatItem::createLayout(QTextOption::WrapMode wrapMode) { +QTextLayout *ChatItem::createLayout(QTextOption::WrapMode wrapMode, Qt::Alignment alignment) { QTextLayout *layout = new QTextLayout(data(MessageModel::DisplayRole).toString()); QTextOption option; option.setWrapMode(wrapMode); + option.setAlignment(alignment); layout->setTextOption(option); QList formatRanges @@ -79,30 +87,46 @@ QTextLayout *ChatItem::createLayout(QTextOption::WrapMode wrapMode) { } void ChatItem::updateLayout() { - 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()) + 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(0,0)); + } + _layout->endLayout(); + } 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 col = finder.nextWrapColumn(); - line.setNumColumns(col >= 0 ? col - line.textStart() : _layout->text().length()); + qreal h = 0; + WrapColumnFinder finder(this); + _layout->beginLayout(); + forever { + QTextLine line = _layout->createLine(); + if(!line.isValid()) + break; - h += fontMetrics()->leading(); - line.setPosition(QPointF(0, h)); - h += line.height(); + int col = finder.nextWrapColumn(); + line.setNumColumns(col >= 0 ? col - line.textStart() : _layout->text().length()); + line.setPosition(QPointF(0, h)); + h += line.height() + fontMetrics()->leading(); + } + _layout->endLayout(); + } + break; } - _layout->endLayout(); } void ChatItem::clearLayout() { @@ -110,32 +134,124 @@ void ChatItem::clearLayout() { _layout = 0; } -//int ChatItem::findNextWrapColumn( - +// 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(); - _layout->draw(painter, QPointF(0,0), QVector(), boundingRect()); - painter->drawRect(boundingRect()); - int width = 0; - QVariantList wrapList = data(ChatLineModel::WrapListRole).toList(); - for(int i = 2; i < wrapList.count(); i+=2) { - QRect r(wrapList[i-1].toUInt(), 0, wrapList[i+1].toUInt() - wrapList[i-1].toUInt(), fontMetrics()->lineSpacing()); - painter->drawRect(r); + 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()); +} + +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(); + 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; } -/* -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); +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(); +} + +void ChatItem::mousePressEvent(QGraphicsSceneMouseEvent *event) { + if(event->buttons() & Qt::LeftButton) { + if(_selectionMode == NoSelection) { + chatScene()->setSelectingItem(this); // removes earlier selection if exists + _selectionStart = _selectionEnd = posToCursor(event->pos()); + _selectionMode = PartialSelection; + } else { + chatScene()->setSelectingItem(0); + _selectionMode = NoSelection; + update(); + } + event->accept(); + } else { event->ignore(); - } else QGraphicsTextItem::mouseMoveEvent(event); + } +} + +void ChatItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event) { + if(contains(event->pos())) { + qint16 end = posToCursor(event->pos()); + if(end != _selectionEnd) { + _selectionEnd = end; + update(); + } + } else { + setFullSelection(); + chatScene()->startGlobalSelection(this, event->pos()); + } +} + +void ChatItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) { + if(_selectionMode != NoSelection) { + _selectionEnd = posToCursor(event->pos()); + QString selection + = data(MessageModel::DisplayRole).toString().mid(qMin(_selectionStart, _selectionEnd), qAbs(_selectionStart - _selectionEnd)); + QApplication::clipboard()->setText(selection, QClipboard::Clipboard); // TODO configure where selections should go + event->accept(); + } else { + event->ignore(); + } } -*/ + +void ChatItem::hoverEnterEvent(QGraphicsSceneHoverEvent *event) { + //qDebug() << (void*)this << "entering"; + +} + +void ChatItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *event) { + //qDebug() << (void*)this << "leaving"; + +} + +void ChatItem::hoverMoveEvent(QGraphicsSceneHoverEvent *event) { + //qDebug() << (void*)this << event->pos(); + +} + /*************************************************************************************************/ @@ -152,7 +268,7 @@ ChatItem::WrapColumnFinder::~WrapColumnFinder() { delete layout; } -int ChatItem::WrapColumnFinder::nextWrapColumn() { +qint16 ChatItem::WrapColumnFinder::nextWrapColumn() { while(wordidx < wrapList.count()) { w += wrapList.at(wordidx).width; if(w >= item->width()) {