X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fqtui%2Fchatitem.cpp;h=7dd7aba82df027599a95830bd5ca6c79d95d7a58;hp=f9495d13587f5582d8a997e6dd1184b1298fe1cc;hb=62192fb6cd9cc211b5b9fe844c9b4c2f98f923cc;hpb=275c435910183d8a0755fd360a8a4e2a045cbca2 diff --git a/src/qtui/chatitem.cpp b/src/qtui/chatitem.cpp index f9495d13..7dd7aba8 100644 --- a/src/qtui/chatitem.cpp +++ b/src/qtui/chatitem.cpp @@ -18,19 +18,31 @@ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * ***************************************************************************/ +#include +#include +#include #include #include #include +#include #include #include "chatitem.h" #include "chatlinemodel.h" #include "qtui.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(ChatLineModel::ColumnType col, QAbstractItemModel *model, QGraphicsItem *parent) + : QGraphicsItem(parent), + _fontMetrics(0), + _selectionMode(NoSelection), + _selectionStart(-1), + _layout(0) +{ + 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() { @@ -38,31 +50,27 @@ ChatItem::~ChatItem() { } 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); + return model()->data(index, role); } -int ChatItem::setWidth(int w) { - w -= 10; +qreal ChatItem::setGeometry(qreal w, qreal h) { if(w == _boundingRect.width()) return _boundingRect.height(); + prepareGeometryChange(); _boundingRect.setWidth(w); - int h = heightForWidth(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; } -int ChatItem::heightForWidth(int width) { - if(data(ChatLineModel::ColumnTypeRole).toUInt() != ChatLineModel::ContentsColumn) - return fontMetrics()->lineSpacing(); // only contents can be multi-line - - _lines = 1; - WrapColumnFinder finder(this); - while(finder.nextWrapColumn() > 0) _lines++; - return _lines * fontMetrics()->lineSpacing(); +qreal ChatItem::computeHeight() { + return fontMetrics()->lineSpacing(); // only contents can be multi-line } QTextLayout *ChatItem::createLayout(QTextOption::WrapMode wrapMode, Qt::Alignment alignment) { @@ -80,49 +88,16 @@ QTextLayout *ChatItem::createLayout(QTextOption::WrapMode wrapMode, Qt::Alignmen } 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()); - } - _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 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(); - } - _layout->endLayout(); - } - break; + if(!haveLayout()) + setLayout(createLayout(QTextOption::WrapAnywhere, Qt::AlignLeft)); + + layout()->beginLayout(); + QTextLine line = layout()->createLine(); + if(line.isValid()) { + line.setLineWidth(width()); + line.setPosition(QPointF(0,0)); } + layout()->endLayout(); } void ChatItem::clearLayout() { @@ -130,44 +105,250 @@ 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()); + 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::setFullSelection() { + if(_selectionMode != FullSelection) { + _selectionMode = FullSelection; + update(); + } +} + +void ChatItem::clearSelection() { + _selectionMode = NoSelection; + update(); +} + +void ChatItem::continueSelecting(const QPointF &pos) { + _selectionMode = PartialSelection; + _selectionEnd = posToCursor(pos); + update(); +} + +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); + } + + if(!haveLayout()) + 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 y = height * line.lineNumber(); + resultList << QRectF(x, y, width, height); + } + return resultList; +} + +void ChatItem::mousePressEvent(QGraphicsSceneMouseEvent *event) { + if(event->buttons() == Qt::LeftButton) { + chatScene()->setSelectingItem(this); + _selectionStart = _selectionEnd = posToCursor(event->pos()); + _selectionMode = NoSelection; // will be set to PartialSelection by mouseMoveEvent + update(); + event->accept(); + } else { + event->ignore(); + } +} +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(); + } + } else { + setFullSelection(); + chatScene()->startGlobalSelection(this, event->pos()); + } + event->accept(); + } else { + event->ignore(); + } } -/* -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::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 { event->ignore(); - } else QGraphicsTextItem::mouseMoveEvent(event); + } +} + +/*************************************************************************************************/ + +/*************************************************************************************************/ + +void SenderChatItem::updateLayout() { + if(!haveLayout()) setLayout(createLayout(QTextOption::WrapAnywhere, Qt::AlignRight)); + ChatItem::updateLayout(); +} + +/*************************************************************************************************/ + +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 ContentsChatItem::setLayout(QTextLayout *layout) { + if(!_layoutData) + _layoutData = new LayoutData; + _layoutData->layout = layout; +} + +void ContentsChatItem::clearLayout() { + delete _layoutData; + _layoutData = 0; +} + +void ContentsChatItem::updateLayout() { + if(!haveLayout()) setLayout(createLayout(QTextOption::WrapAnywhere)); + + // Now layout + ChatLineModel::WrapList wrapList = data(ChatLineModel::WrapListRole).value(); + if(!wrapList.count()) return; // empty chatitem + + 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()); + line.setPosition(QPointF(0, h)); + h += line.height() + fontMetrics()->leading(); + } + layout()->endLayout(); +} + +void ContentsChatItem::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) { + // FIXME dirty and fast hack to make http:// urls klickable + + 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; + } + mi += regex.matchedLength(); + } while(mi >= 0); + event->accept(); +} + +void ContentsChatItem::hoverEnterEvent(QGraphicsSceneHoverEvent *event) { + //qDebug() << (void*)this << "entering"; + event->ignore(); +} + +void ContentsChatItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *event) { + //qDebug() << (void*)this << "leaving"; + event->ignore(); +} + +void ContentsChatItem::hoverMoveEvent(QGraphicsSceneHoverEvent *event) { + //qDebug() << (void*)this << event->pos(); + event->ignore(); } -*/ /*************************************************************************************************/ -ChatItem::WrapColumnFinder::WrapColumnFinder(ChatItem *_item) : item(_item) { - wrapList = item->data(ChatLineModel::WrapListRole).value(); - wordidx = 0; - layout = 0; - lastwrapcol = 0; - lastwrappos = 0; - w = 0; +ContentsChatItem::WrapColumnFinder::WrapColumnFinder(ChatItem *_item) + : item(_item), + layout(0), + wrapList(item->data(ChatLineModel::WrapListRole).value()), + wordidx(0), + lastwrapcol(0), + lastwrappos(0), + w(0) +{ } -ChatItem::WrapColumnFinder::~WrapColumnFinder() { +ContentsChatItem::WrapColumnFinder::~WrapColumnFinder() { delete layout; } -int ChatItem::WrapColumnFinder::nextWrapColumn() { +qint16 ContentsChatItem::WrapColumnFinder::nextWrapColumn() { while(wordidx < wrapList.count()) { w += wrapList.at(wordidx).width; if(w >= item->width()) {