1/***************************************************************************
2 * Copyright (C) 2005-2014 by the Quassel Project *
3 * devel@quassel-irc.org *
4 * *
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. *
9 * *
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. *
14 * *
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 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
19 ***************************************************************************/
20
21#include "clearablelineedit.h"
22
23#include <QToolButton>
24#include <QStyle>
25
26#include "iconloader.h"
27
28ClearableLineEdit::ClearableLineEdit(QWidget *parent)
29 : QLineEdit(parent)
30{
31 clearButton = new QToolButton(this);
32 clearButton->setIcon(SmallIcon("edit-clear-locationbar-rtl"));
33#ifndef Q_WS_QWS
34 clearButton->setCursor(Qt::ArrowCursor);
35#endif
36 clearButton->setStyleSheet("QToolButton { border: none; padding: 0px; }");
37 clearButton->hide();
38
39 connect(clearButton, SIGNAL(clicked()), this, SLOT(clear()));
40 connect(this, SIGNAL(textChanged(const QString &)), this, SLOT(updateClearButton(const QString &)));
41
42 int frameWidth = style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
43 setStyleSheet(QString("QLineEdit { padding-right: %1px; } ").arg(clearButton->sizeHint().width() + frameWidth + 1));
44 QSize msz = minimumSizeHint();
45 setMinimumSize(qMax(msz.width(), clearButton->sizeHint().height() + frameWidth * 2 + 2),
46 qMax(msz.height(), clearButton->sizeHint().height() + frameWidth * 2 + 2));
47}
48
49
50void ClearableLineEdit::resizeEvent(QResizeEvent *)
51{
52 QSize size = clearButton->sizeHint();
53 int frameWidth = style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
54 clearButton->move(rect().right() - frameWidth - size.width(),
55 (rect().bottom() + 1 - size.height())/2);
56}
57
58
59void ClearableLineEdit::updateClearButton(const QString &text)
60{
61 clearButton->setVisible(!text.isEmpty());
62}
63