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