X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fqtui%2Fchatlinemodelitem.cpp;h=90691f8f5f1dd80441f71c14b8c993f5aaa7b2d8;hp=7e9522813003054ca8eaf5d161903219a69a2c01;hb=fb44e08cc4f160cce624e39ceee2b8b9593f85a6;hpb=5b33f50ea3eebe32f2216bbbe852782ac90d961b diff --git a/src/qtui/chatlinemodelitem.cpp b/src/qtui/chatlinemodelitem.cpp index 7e952281..90691f8f 100644 --- a/src/qtui/chatlinemodelitem.cpp +++ b/src/qtui/chatlinemodelitem.cpp @@ -37,26 +37,164 @@ typedef struct { unsigned unused :2; } HB_CharAttributes_Dummy; -unsigned char *ChatLineModelItem::TextBoundaryFinderBuffer = (unsigned char *)malloc(512 * sizeof(HB_CharAttributes_Dummy)); -int ChatLineModelItem::TextBoundaryFinderBufferSize = 512 * (sizeof(HB_CharAttributes_Dummy) / sizeof(unsigned char)); +// PRIVATE DATA FOR CHATLINE MODEL ITEM +class ChatLineModelItemPrivate { + struct ChatLinePart { + QString plainText; + UiStyle::FormatList formatList; + inline ChatLinePart(const QString &pT, const UiStyle::FormatList &fL) : plainText(pT), formatList(fL) {} + }; + +public: + inline ChatLineModelItemPrivate(const Message &msg) : _msgBuffer(new Message(msg)), timestamp(0), sender(0), contents(0) {} + inline ~ChatLineModelItemPrivate() { + if(_msgBuffer) { + delete _msgBuffer; + } else { + delete timestamp; + delete sender; + delete contents; + } + } + + inline bool needsStyling() { return (bool)_msgBuffer; } + + inline ChatLinePart *partByColumn(MessageModel::ColumnType column) { + switch(column) { + case ChatLineModel::TimestampColumn: + return timestamp; + case ChatLineModel::SenderColumn: + return sender; + case ChatLineModel::ContentsColumn: + return contents; + default: + Q_ASSERT(false); + return 0; + } + } + + inline const QString &plainText(MessageModel::ColumnType column) { + if(needsStyling()) + style(); + return partByColumn(column)->plainText; + } + + inline const UiStyle::FormatList &formatList(MessageModel::ColumnType column) { + if(needsStyling()) + style(); + return partByColumn(column)->formatList; + } + + inline const ChatLineModel::WrapList &wrapList() { + if(needsStyling()) + style(); + if(_wrapList.isEmpty()) + computeWrapList(); + return _wrapList; + } + +private: + inline void style() { + QtUiStyle::StyledMessage m = QtUi::style()->styleMessage(*_msgBuffer); + + timestamp = new ChatLinePart(m.timestamp.plainText, m.timestamp.formatList); + sender = new ChatLinePart(m.sender.plainText, m.sender.formatList); + contents = new ChatLinePart(m.contents.plainText, m.contents.formatList); -struct ChatLineModelItemPrivate { - ChatLineModel::WrapList wrapList; + delete _msgBuffer; + _msgBuffer = 0; + } + + inline void computeWrapList() { + if(contents->plainText.isEmpty()) + return; + + enum Mode { SearchStart, SearchEnd }; + + QList wplist; // use a temp list which we'll later copy into a QVector for efficiency + QTextBoundaryFinder finder(QTextBoundaryFinder::Word, contents->plainText.unicode(), contents->plainText.length(), TextBoundaryFinderBuffer, TextBoundaryFinderBufferSize); + + int idx; + int oldidx = 0; + bool wordStart = false; + bool wordEnd = false; + Mode mode = SearchEnd; + ChatLineModel::Word word; + word.start = 0; + qreal wordstartx = 0; + + QTextLayout layout(contents->plainText); + QTextOption option; + option.setWrapMode(QTextOption::NoWrap); + layout.setTextOption(option); + + layout.setAdditionalFormats(QtUi::style()->toTextLayoutList(contents->formatList, contents->plainText.length())); + layout.beginLayout(); + QTextLine line = layout.createLine(); + line.setNumColumns(contents->plainText.length()); + layout.endLayout(); + + do { + idx = finder.toNextBoundary(); + if(idx < 0) { + idx = contents->plainText.length(); + wordStart = false; + wordEnd = false; + mode = SearchStart; + } else { + wordStart = finder.boundaryReasons().testFlag(QTextBoundaryFinder::StartWord); + wordEnd = finder.boundaryReasons().testFlag(QTextBoundaryFinder::EndWord); + } + + //if(flg) qDebug() << idx << mode << wordStart << wordEnd << contents->plainText.left(idx) << contents->plainText.mid(idx); + + if(mode == SearchEnd || (!wordStart && wordEnd)) { + if(wordStart || !wordEnd) continue; + oldidx = idx; + mode = SearchStart; + continue; + } + qreal wordendx = line.cursorToX(oldidx); + qreal trailingendx = line.cursorToX(idx); + word.width = wordendx - wordstartx; + word.trailing = trailingendx - wordendx; + wordstartx = trailingendx; + wplist.append(word); + + if(wordStart) { + word.start = idx; + mode = SearchEnd; + } + // the part " || (finder.position() == contents->plainText.length())" shouldn't be necessary + // but in rare and indeterministic cases Qt states that the end of the text is not a boundary o_O + } while(finder.isAtBoundary() || (finder.position() == contents->plainText.length())); + + // A QVector needs less space than a QList + _wrapList.resize(wplist.count()); + for(int i = 0; i < wplist.count(); i++) { + _wrapList[i] = wplist.at(i); + } + } + + ChatLineModel::WrapList _wrapList; + Message *_msgBuffer; + ChatLinePart *timestamp, *sender, *contents; + + static unsigned char *TextBoundaryFinderBuffer; + static int TextBoundaryFinderBufferSize; }; +unsigned char *ChatLineModelItemPrivate::TextBoundaryFinderBuffer = (unsigned char *)malloc(512 * sizeof(HB_CharAttributes_Dummy)); +int ChatLineModelItemPrivate::TextBoundaryFinderBufferSize = 512 * (sizeof(HB_CharAttributes_Dummy) / sizeof(unsigned char)); + + +// **************************************** +// the actual ChatLineModelItem +// **************************************** ChatLineModelItem::ChatLineModelItem(const Message &msg) : MessageModelItem(msg), - _data(new ChatLineModelItemPrivate) + _data(new ChatLineModelItemPrivate(msg)) { - QtUiStyle::StyledMessage m = QtUi::style()->styleMessage(msg); - - _timestamp.plainText = m.timestamp.plainText; - _sender.plainText = m.sender.plainText; - _contents.plainText = m.contents.plainText; - - _timestamp.formatList = m.timestamp.formatList; - _sender.formatList = m.sender.formatList; - _contents.formatList = m.contents.formatList; } ChatLineModelItem::~ChatLineModelItem() { @@ -64,105 +202,20 @@ ChatLineModelItem::~ChatLineModelItem() { } QVariant ChatLineModelItem::data(int column, int role) const { - const ChatLinePart *part = 0; - - switch(column) { - case ChatLineModel::TimestampColumn: - part = &_timestamp; - break; - case ChatLineModel::SenderColumn: - part = &_sender; - break; - case ChatLineModel::ContentsColumn: - part = &_contents; - break; - default: + if(column < ChatLineModel::TimestampColumn || column > ChatLineModel::ContentsColumn) return MessageModelItem::data(column, role); - } + MessageModel::ColumnType columnType = (MessageModel::ColumnType)column; switch(role) { case ChatLineModel::DisplayRole: - return part->plainText; + return _data->plainText(columnType); case ChatLineModel::FormatRole: - return QVariant::fromValue(part->formatList); + return QVariant::fromValue(_data->formatList(columnType)); case ChatLineModel::WrapListRole: - if(column != ChatLineModel::ContentsColumn) + if(columnType != ChatLineModel::ContentsColumn) return QVariant(); - if(_data->wrapList.isEmpty()) - computeWrapList(); - return QVariant::fromValue(_data->wrapList); + return QVariant::fromValue(_data->wrapList()); } return MessageModelItem::data(column, role); } -void ChatLineModelItem::computeWrapList() const { - if(_contents.plainText.isEmpty()) - return; - - enum Mode { SearchStart, SearchEnd }; - - QList wplist; // use a temp list which we'll later copy into a QVector for efficiency - QTextBoundaryFinder finder(QTextBoundaryFinder::Word, _contents.plainText.unicode(), _contents.plainText.length(), TextBoundaryFinderBuffer, TextBoundaryFinderBufferSize); - - int idx; - int oldidx = 0; - bool wordStart = false; - bool wordEnd = false; - Mode mode = SearchEnd; - ChatLineModel::Word word; - word.start = 0; - qreal wordstartx = 0; - - QTextLayout layout(_contents.plainText); - QTextOption option; - option.setWrapMode(QTextOption::NoWrap); - layout.setTextOption(option); - - layout.setAdditionalFormats(QtUi::style()->toTextLayoutList(_contents.formatList, _contents.plainText.length())); - layout.beginLayout(); - QTextLine line = layout.createLine(); - line.setNumColumns(_contents.plainText.length()); - layout.endLayout(); - - do { - idx = finder.toNextBoundary(); - if(idx < 0) { - idx = _contents.plainText.length(); - wordStart = false; - wordEnd = false; - mode = SearchStart; - } else { - wordStart = finder.boundaryReasons().testFlag(QTextBoundaryFinder::StartWord); - wordEnd = finder.boundaryReasons().testFlag(QTextBoundaryFinder::EndWord); - } - - //if(flg) qDebug() << idx << mode << wordStart << wordEnd << _contents.plainText.left(idx) << _contents.plainText.mid(idx); - - if(mode == SearchEnd || (!wordStart && wordEnd)) { - if(wordStart || !wordEnd) continue; - oldidx = idx; - mode = SearchStart; - continue; - } - qreal wordendx = line.cursorToX(oldidx); - qreal trailingendx = line.cursorToX(idx); - word.width = wordendx - wordstartx; - word.trailing = trailingendx - wordendx; - wordstartx = trailingendx; - wplist.append(word); - - if(wordStart) { - word.start = idx; - mode = SearchEnd; - } - // the part " || (finder.position() == _contents.plainText.length())" shouldn't be necessary - // but in rare and indeterministic cases Qt states that the end of the text is not a boundary o_O - } while(finder.isAtBoundary() || (finder.position() == _contents.plainText.length())); - - // A QVector needs less space than a QList - _data->wrapList.resize(wplist.count()); - for(int i = 0; i < wplist.count(); i++) { - _data->wrapList[i] = wplist.at(i); - } -} -