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 <QGraphicsSceneMouseEvent>
23 #include <QTextCursor>
24 #include <QTextDocument>
30 ChatItem::ChatItem(const QPersistentModelIndex &index_, QGraphicsItem *parent) : QGraphicsItem(parent), _index(index_) {
34 ChatItem::~ChatItem() {
38 QVariant ChatItem::data(int role) const {
39 if(!_index.isValid()) {
40 qWarning() << "ChatItem::data(): Model index is invalid!";
43 return _index.data(role);
46 QRectF ChatItem::boundingRect() const {
47 return QRectF(0, 0, _width, _height);
50 void ChatItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
51 Q_UNUSED(option); Q_UNUSED(widget);
53 painter->drawText(boundingRect(), data(MessageModel::DisplayRole).toString());
54 painter->setPen(Qt::DotLine);
55 painter->drawRect(boundingRect());
60 int ChatItem::setWidth(int w) {
62 _height = 20; // FIXME
68 void ChatItem::setTextOption(const QTextOption &option) {
73 QTextOption ChatItem::textOption() const {
77 QString ChatItem::text() const {
78 return _layout.text();
81 void ChatItem::setText(const UiStyle::StyledText &text) {
82 _layout.setText(text.text);
83 _layout.setAdditionalFormats(text.formatList);
87 void ChatItem::layout() {
88 if(!_layout.additionalFormats().count()) return; // no text set
89 if(_width <= 0) return;
90 prepareGeometryChange();
91 QFontMetrics metrics(_layout.additionalFormats()[0].format.font());
92 int leading = metrics.leading();
94 _layout.setTextOption(textOption());
95 _layout.beginLayout();
97 QTextLine line = _layout.createLine();
98 if(!line.isValid()) break;
99 line.setLineWidth(_width);
100 if(textOption().wrapMode() != QTextOption::NoWrap && line.naturalTextWidth() > _width) {
101 // word did not fit, we need to wrap it in the middle
102 // this is a workaround for Qt failing to handle WrapAtWordBoundaryOrAnywhere correctly
103 QTextOption::WrapMode mode = textOption().wrapMode();
104 textOption().setWrapMode(QTextOption::WrapAnywhere);
105 _layout.setTextOption(textOption());
106 line.setLineWidth(_width);
107 textOption().setWrapMode(mode);
108 _layout.setTextOption(textOption());
111 line.setPosition(QPoint(0, height));
112 height += line.height();
116 } QDateTime _timestamp;
120 QRectF ChatItem::boundingRect() const {
121 return _layout.boundingRect();
124 void ChatItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
125 Q_UNUSED(option); Q_UNUSED(widget);
126 _layout.draw(painter, QPointF(0, 0));
132 void ChatItem::mouseMoveEvent ( QGraphicsSceneMouseEvent * event ) {
133 qDebug() << (void*)this << "moving" << event->pos();
134 if(event->pos().y() < 0) {
135 QTextCursor cursor(document());
136 //cursor.insertText("foo");
137 //cursor.select(QTextCursor::Document);
139 } else QGraphicsTextItem::mouseMoveEvent(event);