58 lines
1.3 KiB
C++
58 lines
1.3 KiB
C++
#include "./clearlineedit.h"
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#include <QStyle>
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#include <QStyleOptionFrame>
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namespace QtUtilities {
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/*!
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* \class ClearLineEdit
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* \brief A QLineEdit with an embedded button for clearing its contents.
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*/
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/*!
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* \brief Constructs a clear line edit.
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*/
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ClearLineEdit::ClearLineEdit(QWidget *parent)
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: QLineEdit(parent)
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, ButtonOverlay(this, this)
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{
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ButtonOverlay::setClearButtonEnabled(true);
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}
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/*!
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* \brief Destroys the clear combo box.
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*/
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ClearLineEdit::~ClearLineEdit()
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{
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}
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/*!
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* \brief Updates the visibility of the clear button.
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*/
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void ClearLineEdit::handleTextChanged(const QString &text)
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{
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updateClearButtonVisibility(!text.isEmpty());
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}
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void ClearLineEdit::handleClearButtonClicked()
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{
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clear();
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}
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void ClearLineEdit::handleCustomLayoutCreated()
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{
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const QStyle *const s = style();
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QStyleOptionFrame opt;
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opt.initFrom(this);
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setContentsMarginsFromEditFieldRectAndFrameWidth(s->subElementRect(QStyle::SE_LineEditContents, &opt, this),
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s->pixelMetric(QStyle::PM_DefaultFrameWidth, &opt, m_widget), s->pixelMetric(QStyle::PM_LayoutVerticalSpacing, &opt, m_widget));
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connect(this, &ClearLineEdit::textChanged, this, &ClearLineEdit::handleTextChanged);
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}
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bool ClearLineEdit::isCleared() const
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{
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return text().isEmpty();
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}
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} // namespace QtUtilities
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