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!" << _index;
43 return _index.data(role);
47 QRectF ChatItem::boundingRect() const {
48 return QRectF(0, 0, _width, _height);
52 void ChatItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
53 Q_UNUSED(option); Q_UNUSED(widget);
55 painter->drawText(boundingRect(), data(MessageModel::DisplayRole).toString());
56 painter->setPen(Qt::DotLine);
57 painter->drawRect(boundingRect());
62 int ChatItem::setWidth(int w) {
63 _boundingRect.setWidth(w);
64 _boundingRect.setHeight(20); // FIXME
70 void ChatItem::setTextOption(const QTextOption &option) {
75 QTextOption ChatItem::textOption() const {
79 QString ChatItem::text() const {
80 return _layout.text();
83 void ChatItem::setText(const UiStyle::StyledText &text) {
84 _layout.setText(text.text);
85 _layout.setAdditionalFormats(text.formatList);
89 void ChatItem::layout() {
90 if(!_layout.additionalFormats().count()) return; // no text set
91 if(_width <= 0) return;
92 prepareGeometryChange();
93 QFontMetrics metrics(_layout.additionalFormats()[0].format.font());
94 int leading = metrics.leading();
96 _layout.setTextOption(textOption());
97 _layout.beginLayout();
99 QTextLine line = _layout.createLine();
100 if(!line.isValid()) break;
101 line.setLineWidth(_width);
102 if(textOption().wrapMode() != QTextOption::NoWrap && line.naturalTextWidth() > _width) {
103 // word did not fit, we need to wrap it in the middle
104 // this is a workaround for Qt failing to handle WrapAtWordBoundaryOrAnywhere correctly
105 QTextOption::WrapMode mode = textOption().wrapMode();
106 textOption().setWrapMode(QTextOption::WrapAnywhere);
107 _layout.setTextOption(textOption());
108 line.setLineWidth(_width);
109 textOption().setWrapMode(mode);
110 _layout.setTextOption(textOption());
113 line.setPosition(QPoint(0, height));
114 height += line.height();
118 } QDateTime _timestamp;
122 QRectF ChatItem::boundingRect() const {
123 return _layout.boundingRect();
126 void ChatItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
127 Q_UNUSED(option); Q_UNUSED(widget);
128 _layout.draw(painter, QPointF(0, 0));
134 void ChatItem::mouseMoveEvent ( QGraphicsSceneMouseEvent * event ) {
135 qDebug() << (void*)this << "moving" << event->pos();
136 if(event->pos().y() < 0) {
137 QTextCursor cursor(document());
138 //cursor.insertText("foo");
139 //cursor.select(QTextCursor::Document);
141 } else QGraphicsTextItem::mouseMoveEvent(event);