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47 lines
1.7 KiB
C++
47 lines
1.7 KiB
C++
/****************************************************************************
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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.hpp"
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#include <QToolButton>
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#include <QStyle>
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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(":images/clear.png");
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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("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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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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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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