1 /***************************************************************************
2 * Copyright (C) 2005/06 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 "topicbutton.h"
26 #include <QApplication>
28 #include <QHBoxLayout>
30 #include <QFontMetrics>
35 TopicButton::TopicButton(QWidget *parent)
36 : QAbstractButton(parent)
38 setFixedHeight(QFontMetrics(qApp->font()).height());
39 setToolTip("Click to edit!");
42 void TopicButton::paintEvent(QPaintEvent *event) {
45 QPainter painter(this);
46 painter.setBackgroundMode(Qt::OpaqueMode);
48 QRect drawRect = rect();
51 foreach(QTextLayout::FormatRange fr, styledText.formats) {
52 textPart = styledText.text.mid(fr.start, fr.length);
53 painter.setFont(fr.format.font());
54 painter.setPen(QPen(fr.format.foreground(), 0));
55 painter.setBackground(fr.format.background());
56 painter.drawText(drawRect, Qt::AlignLeft|Qt::TextSingleLine, textPart, &brect);
57 drawRect.setLeft(brect.right());
61 void TopicButton::setAndStyleText(const QString &text) {
62 if(QAbstractButton::text() == text)
65 setText(text); // this triggers a repaint event
67 styledText = QtUi::style()->styleString(Message::mircToInternal(text));
69 foreach(QTextLayout::FormatRange fr, styledText.formats) {
70 height = qMax(height, QFontMetrics(fr.format.font()).height());
73 // ensure the button is editable (height != 1) if there is no text to show
75 height = QFontMetrics(qApp->font()).height();
77 setFixedHeight(height);