1 /***************************************************************************
2 * Copyright (C) 2005-08 by the Quassel Project *
3 * devel@quassel-irc.org *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) version 3. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
21 #include <QFontMetrics>
22 #include <QTextBoundaryFinder>
24 #include "chatlinemodelitem.h"
25 #include "chatlinemodel.h"
29 ChatLineModelItem::ChatLineModelItem(const Message &msg) : MessageModelItem(msg) {
30 QtUiStyle::StyledMessage m = QtUi::style()->styleMessage(msg);
32 _timestamp.plainText = m.timestamp.plainText;
33 _sender.plainText = m.sender.plainText;
34 _contents.plainText = m.contents.plainText;
36 _timestamp.formatList = m.timestamp.formatList;
37 _sender.formatList = m.sender.formatList;
38 _contents.formatList = m.contents.formatList;
44 QVariant ChatLineModelItem::data(int column, int role) const {
45 const ChatLinePart *part;
48 case ChatLineModel::TimestampColumn: part = &_timestamp; break;
49 case ChatLineModel::SenderColumn: part = &_sender; break;
50 case ChatLineModel::ContentsColumn: part = &_contents; break;
51 default: return MessageModelItem::data(column, role);
55 case ChatLineModel::DisplayRole:
56 return part->plainText;
57 case ChatLineModel::FormatRole:
58 return QVariant::fromValue<UiStyle::FormatList>(part->formatList);
59 case ChatLineModel::WrapListRole:
60 if(column != ChatLineModel::ContentsColumn) return QVariant();
61 QVariantList wrapList;
62 typedef QPair<quint16, quint16> WrapPoint; // foreach can't parse templated params
63 foreach(WrapPoint pair, _wrapList) wrapList << pair.first << pair.second;
67 return MessageModelItem::data(column, role);
70 bool ChatLineModelItem::setData(int column, const QVariant &value, int role) {
74 void ChatLineModelItem::computeWrapList() {
75 WrapList wplist; // use a temp list which we'll later copy into a QVector for efficiency
76 QTextBoundaryFinder finder(QTextBoundaryFinder::Word, _contents.plainText);
80 QFontMetricsF *metrics;
81 QPair<quint16, quint16> wp(0, 0);
83 idx = finder.toNextBoundary();
84 if(idx < 0) idx = _contents.plainText.length();
85 else if(finder.boundaryReasons() != QTextBoundaryFinder::StartWord) continue;
90 fmtend = _contents.formatList.count() > flistidx+1 ? _contents.formatList[flistidx+1].first
91 : _contents.plainText.length();
92 metrics = QtUi::style()->fontMetrics(_contents.formatList[flistidx].second);
93 Q_ASSERT(fmtend > start);
95 int i = qMin(idx, fmtend);
96 wp.second += metrics->width(_contents.plainText.mid(start, i - start));
101 } while(finder.isAtBoundary());
103 // A QVector needs less space than a QList
104 _wrapList.resize(wplist.count());
105 for(int i = 0; i < wplist.count(); i++) {
106 _wrapList[i] = wplist.at(i);