76 lines
3.0 KiB
C++
76 lines
3.0 KiB
C++
/*
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* Cantata
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*
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* Copyright (c) 2011-2012 Craig Drummond <craig.p.drummond@gmail.com>
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*
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* ----
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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/****************************************************************************
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**
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** Copyright (c) 2007 Trolltech ASA <info@trolltech.com>
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**
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** Use, modification and distribution is allowed without limitation,
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** warranty, liability or support of any kind.
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**
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****************************************************************************/
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#include "lineedit.h"
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#include <QToolButton>
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#include <QStyle>
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#include <QIcon>
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#include <QDebug>
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LineEdit::LineEdit(QWidget *parent)
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: QLineEdit(parent)
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{
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clearButton = new QToolButton(this);
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QPixmap pixmap(QIcon::fromTheme(Qt::RightToLeft==layoutDirection() ? "edit-clear-locationbar-ltr" : "edit-clear-locationbar-rtl").pixmap(16, 16));
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clearButton->setIcon(QIcon(pixmap));
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clearButton->setIconSize(pixmap.size());
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clearButton->setCursor(Qt::ArrowCursor);
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clearButton->setStyleSheet("QToolButton { border: none; padding: 0px; }");
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clearButton->hide();
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connect(clearButton, SIGNAL(clicked()), this, SLOT(clear()));
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connect(this, SIGNAL(textChanged(const QString&)), this, SLOT(updateCloseButton(const QString&)));
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int frameWidth = style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
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setStyleSheet(QString(Qt::RightToLeft==layoutDirection() ? "QLineEdit { padding-left: %1px; } " : "QLineEdit { padding-right: %1px; } ").arg(clearButton->sizeHint().width() + frameWidth + 1));
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QSize msz = minimumSizeHint();
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setMinimumSize(qMax(msz.width(), clearButton->sizeHint().height() + frameWidth * 2 + 2),
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qMax(msz.height(), clearButton->sizeHint().height() + frameWidth * 2 + 2));
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}
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void LineEdit::resizeEvent(QResizeEvent *)
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{
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QSize sz = clearButton->sizeHint();
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int frameWidth = style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
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if (Qt::RightToLeft==layoutDirection()) {
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clearButton->move(rect().left() + frameWidth,
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(rect().bottom() + 1 - sz.height()) / 2);
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} else {
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clearButton->move(rect().right() - frameWidth - sz.width(),
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(rect().bottom() + 1 - sz.height()) / 2);
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}
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}
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void LineEdit::updateCloseButton(const QString& text)
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{
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clearButton->setVisible(!text.isEmpty());
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}
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