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/****************************************************************************
**
** Copyright (c) 2007 Trolltech ASA <info@trolltech.com>
**
** Use, modification and distribution is allowed without limitation,
** warranty, liability or support of any kind.
**
****************************************************************************/
#include <uibase/lineeditclear.h>
#include <QStyle>
#include <QToolButton>
namespace MOBase
{
LineEditClear::LineEditClear(QWidget* parent) : QLineEdit(parent)
{
clearButton = new QToolButton(this);
QPixmap pixmap(":/MO/gui/edit_clear");
clearButton->setIcon(QIcon(pixmap));
clearButton->setIconSize(pixmap.size());
clearButton->setCursor(Qt::ArrowCursor);
clearButton->setStyleSheet("QToolButton { border: none; padding: 0px; }");
clearButton->hide();
connect(clearButton, SIGNAL(clicked()), this, SLOT(clear()));
connect(this, SIGNAL(textChanged(const QString&)), this,
SLOT(updateCloseButton(const QString&)));
int frameWidth = style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
setStyleSheet(QString("QLineEdit { padding-right: %1px; } ")
.arg(clearButton->sizeHint().width() + frameWidth + 1));
/* QSize msz = minimumSizeHint();
setMinimumSize(qMax(msz.width(), clearButton->sizeHint().height() + frameWidth * 2 +
2), qMax(msz.height(), clearButton->sizeHint().height() + frameWidth * 2 + 2));*/
}
void LineEditClear::resizeEvent(QResizeEvent*)
{
QSize sz = clearButton->sizeHint();
int frameWidth = style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
clearButton->move(rect().right() - frameWidth - sz.width(),
(rect().bottom() + 1 - sz.height()) / 2);
}
void LineEditClear::updateCloseButton(const QString& text)
{
clearButton->setVisible(!text.isEmpty());
}
} // namespace MOBase
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