X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fqtui%2Fchatlinemodelitem.cpp;h=1653962e806a563e53b328620581188bd8b8b5fd;hp=4e1eb476f7ab2531f10af34bb2bfc060fb738f61;hb=2b5d210cb6e61a25a6a9d0c119aec025322b3b84;hpb=0b9f74984780aacbe85ca04c44ec6304c86557c2 diff --git a/src/qtui/chatlinemodelitem.cpp b/src/qtui/chatlinemodelitem.cpp index 4e1eb476..1653962e 100644 --- a/src/qtui/chatlinemodelitem.cpp +++ b/src/qtui/chatlinemodelitem.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 * @@ -18,43 +18,198 @@ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * ***************************************************************************/ +#include +#include + #include "chatlinemodelitem.h" #include "chatlinemodel.h" #include "qtui.h" -#include "uistyle.h" +#include "qtuistyle.h" -ChatlineModelItem::ChatlineModelItem(const Message &msg) : MessageModelItem(msg) { - QtUiStyle::StyledMessage m = QtUi::style()->styleMessage(msg); +// This Struct is taken from Harfbuzz. We use it only to calc it's size. +// we use a shared memory region so we do not have to malloc a buffer area for every line +typedef struct { + /*HB_LineBreakType*/ unsigned lineBreakType :2; + /*HB_Bool*/ unsigned whiteSpace :1; /* A unicode whitespace character, except NBSP, ZWNBSP */ + /*HB_Bool*/ unsigned charStop :1; /* Valid cursor position (for left/right arrow) */ + /*HB_Bool*/ unsigned wordBoundary :1; + /*HB_Bool*/ unsigned sentenceBoundary :1; + unsigned unused :2; +} HB_CharAttributes_Dummy; - _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; +unsigned char *ChatLineModelItem::TextBoundaryFinderBuffer = (unsigned char *)malloc(512 * sizeof(HB_CharAttributes_Dummy)); +int ChatLineModelItem::TextBoundaryFinderBufferSize = 512 * (sizeof(HB_CharAttributes_Dummy) / sizeof(unsigned char)); +// **************************************** +// the actual ChatLineModelItem +// **************************************** +ChatLineModelItem::ChatLineModelItem(const Message &msg) + : MessageModelItem(), + _styledMsg(msg) +{ + if(!msg.sender().contains('!')) + _styledMsg.setFlags(msg.flags() |= Message::ServerMsg); } +QVariant ChatLineModelItem::data(int column, int role) const { + if(role == ChatLineModel::MsgLabelRole) + return messageLabel(); + + QVariant variant; + MessageModel::ColumnType col = (MessageModel::ColumnType)column; + switch(col) { + case ChatLineModel::TimestampColumn: + variant = timestampData(role); + break; + case ChatLineModel::SenderColumn: + variant = senderData(role); + break; + case ChatLineModel::ContentsColumn: + variant = contentsData(role); + break; + default: + break; + } + if(!variant.isValid()) + return MessageModelItem::data(column, role); + return variant; +} -QVariant ChatlineModelItem::data(int column, int role) const { - const ChatlinePart *part; +QVariant ChatLineModelItem::timestampData(int role) const { + switch(role) { + case ChatLineModel::DisplayRole: + return _styledMsg.decoratedTimestamp(); + case ChatLineModel::EditRole: + return _styledMsg.timestamp(); + case ChatLineModel::BackgroundRole: + return backgroundBrush(UiStyle::Timestamp); + case ChatLineModel::FormatRole: + return QVariant::fromValue(UiStyle::FormatList() + << qMakePair((quint16)0, (quint32)UiStyle::formatType(_styledMsg.type()) | UiStyle::Timestamp)); + } + return QVariant(); +} - switch(column) { - case ChatlineModel::TimestampColumn: part = &_timestamp; break; - case ChatlineModel::SenderColumn: part = &_sender; break; - case ChatlineModel::ContentsColumn: part = &_contents; break; - default: return MessageModelItem::data(column, role); +QVariant ChatLineModelItem::senderData(int role) const { + switch(role) { + case ChatLineModel::DisplayRole: + return _styledMsg.decoratedSender(); + case ChatLineModel::EditRole: + return _styledMsg.plainSender(); + case ChatLineModel::BackgroundRole: + return backgroundBrush(UiStyle::Sender); + case ChatLineModel::FormatRole: + return QVariant::fromValue(UiStyle::FormatList() + << qMakePair((quint16)0, (quint32)UiStyle::formatType(_styledMsg.type()) | UiStyle::Sender)); } + return QVariant(); +} +QVariant ChatLineModelItem::contentsData(int role) const { switch(role) { - case ChatlineModel::DisplayRole: return part->plainText; - case ChatlineModel::FormatRole: return QVariant::fromValue(part->formatList); + case ChatLineModel::DisplayRole: + case ChatLineModel::EditRole: + return _styledMsg.plainContents(); + case ChatLineModel::BackgroundRole: + return backgroundBrush(UiStyle::Contents); + case ChatLineModel::FormatRole: + return QVariant::fromValue(_styledMsg.contentsFormatList()); + case ChatLineModel::WrapListRole: + if(_wrapList.isEmpty()) + computeWrapList(); + return QVariant::fromValue(_wrapList); } + return QVariant(); +} + +quint32 ChatLineModelItem::messageLabel() const { + quint32 label = _styledMsg.senderHash() << 16; + if(_styledMsg.flags() & Message::Self) + label |= UiStyle::OwnMsg; + if(_styledMsg.flags() & Message::Highlight) + label |= UiStyle::Highlight; + return label; +} - return MessageModelItem::data(column, role); +QVariant ChatLineModelItem::backgroundBrush(UiStyle::FormatType subelement) const { + QTextCharFormat fmt = QtUi::style()->format(UiStyle::formatType(_styledMsg.type()) | subelement, messageLabel()); + if(fmt.hasProperty(QTextFormat::BackgroundBrush)) + return QVariant::fromValue(fmt.background()); + return QVariant(); } -bool ChatlineModelItem::setData(int column, const QVariant &value, int role) { - return false; +void ChatLineModelItem::computeWrapList() const { + int length = _styledMsg.plainContents().length(); + if(!length) + 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, _styledMsg.plainContents().unicode(), 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(_styledMsg.plainContents()); + QTextOption option; + option.setWrapMode(QTextOption::NoWrap); + layout.setTextOption(option); + + layout.setAdditionalFormats(QtUi::style()->toTextLayoutList(_styledMsg.contentsFormatList(), length, messageLabel())); + layout.beginLayout(); + QTextLine line = layout.createLine(); + line.setNumColumns(length); + layout.endLayout(); + + do { + idx = finder.toNextBoundary(); + if(idx < 0) { + idx = 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.endX = wordendx; + 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() == 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); + } } +