80 lines
1.8 KiB
C++
80 lines
1.8 KiB
C++
#include "./clearspinbox.h"
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#include <QHBoxLayout>
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#include <QStyle>
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#include <QStyleOptionSpinBox>
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namespace QtUtilities {
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/*!
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* \class ClearSpinBox
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* \brief A QSpinBox with an embedded button for clearing its contents and the
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* ability to hide
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* the minimum value.
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*/
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/*!
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* \brief Constructs a clear spin box.
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*/
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ClearSpinBox::ClearSpinBox(QWidget *parent)
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: QSpinBox(parent)
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, ButtonOverlay(this, lineEdit())
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, m_minimumHidden(false)
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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 spin box.
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*/
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ClearSpinBox::~ClearSpinBox()
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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 ClearSpinBox::handleValueChanged(int value)
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{
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updateClearButtonVisibility(value != minimum());
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}
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void ClearSpinBox::handleClearButtonClicked()
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{
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setValue(minimum());
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}
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void ClearSpinBox::handleCustomLayoutCreated()
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{
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const QStyle *const s = style();
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QStyleOptionSpinBox opt;
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opt.initFrom(this);
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setContentsMarginsFromEditFieldRectAndFrameWidth(
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s->subControlRect(QStyle::CC_SpinBox, &opt, QStyle::SC_SpinBoxEditField, this), s->pixelMetric(QStyle::PM_SpinBoxFrameWidth, &opt, this));
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connect(this, static_cast<void (ClearSpinBox::*)(int)>(&ClearSpinBox::valueChanged), this, &ClearSpinBox::handleValueChanged);
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}
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bool ClearSpinBox::isCleared() const
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{
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return value() == minimum();
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}
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int ClearSpinBox::valueFromText(const QString &text) const
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{
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if (m_minimumHidden && text.isEmpty()) {
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return minimum();
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} else {
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return QSpinBox::valueFromText(text);
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}
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}
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QString ClearSpinBox::textFromValue(int val) const
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{
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if (m_minimumHidden && (val == minimum())) {
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return QString();
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} else {
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return QSpinBox::textFromValue(val);
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}
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}
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} // namespace QtUtilities
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