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39 lines
1.4 KiB
C++
39 lines
1.4 KiB
C++
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#include <QToolButton>
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#include <QStyle>
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#include "lineedit.hpp"
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LineEdit::LineEdit(QWidget *parent)
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: QLineEdit(parent)
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{
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mClearButton = new QToolButton(this);
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QPixmap pixmap(":images/clear.png");
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mClearButton->setIcon(QIcon(pixmap));
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mClearButton->setIconSize(pixmap.size());
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mClearButton->setCursor(Qt::ArrowCursor);
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mClearButton->setStyleSheet("QToolButton { border: none; padding: 0px; }");
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mClearButton->hide();
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connect(mClearButton, SIGNAL(clicked()), this, SLOT(clear()));
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connect(this, SIGNAL(textChanged(const QString&)), this, SLOT(updateClearButton(const QString&)));
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int frameWidth = style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
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setObjectName(QString("LineEdit"));
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setStyleSheet(QString("LineEdit { padding-right: %1px; } ").arg(mClearButton->sizeHint().width() + frameWidth + 1));
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QSize msz = minimumSizeHint();
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setMinimumSize(qMax(msz.width(), mClearButton->sizeHint().height() + frameWidth * 2 + 2),
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qMax(msz.height(), mClearButton->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 = mClearButton->sizeHint();
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int frameWidth = style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
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mClearButton->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::updateClearButton(const QString& text)
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{
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mClearButton->setVisible(!text.isEmpty());
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}
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