77 lines
2.0 KiB
C++
77 lines
2.0 KiB
C++
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#include "checkboxedheaderview.h"
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#include <QPainter>
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QnCheckBoxedHeaderView::QnCheckBoxedHeaderView(QWidget *parent)
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: base_type(Qt::Horizontal, parent), m_checkState(Qt::Unchecked),
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m_checkColumnIndex(0) {
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connect(this, &QnCheckBoxedHeaderView::sectionClicked, this,
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&QnCheckBoxedHeaderView::at_sectionClicked);
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}
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void QnCheckBoxedHeaderView::setCheckState(Qt::CheckState state) {
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if (state == m_checkState)
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return;
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m_checkState = state;
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emit checkStateChanged(state);
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viewport()->update();
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}
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void QnCheckBoxedHeaderView::paintSection(QPainter *painter, const QRect &rect,
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int logicalIndex) const {
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painter->save();
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base_type::paintSection(painter, rect, logicalIndex);
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painter->restore();
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if (logicalIndex == m_checkColumnIndex) {
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if (!rect.isValid())
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return;
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QStyleOptionButton opt;
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opt.initFrom(this);
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QStyle::State state = QStyle::State_Raised;
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if (isEnabled())
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state |= QStyle::State_Enabled;
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if (window()->isActiveWindow())
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state |= QStyle::State_Active;
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switch (m_checkState) {
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case Qt::Checked:
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state |= QStyle::State_On;
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break;
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case Qt::Unchecked:
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state |= QStyle::State_Off;
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break;
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default:
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state |= QStyle::State_NoChange;
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break;
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}
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opt.rect = rect.adjusted(4, 0, 0, 0);
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opt.state |= state;
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opt.text = QString();
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painter->save();
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style()->drawControl(QStyle::CE_CheckBox, &opt, painter, this);
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painter->restore();
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}
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}
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QSize QnCheckBoxedHeaderView::sectionSizeFromContents(int logicalIndex) const {
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QSize size = base_type::sectionSizeFromContents(logicalIndex);
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if (logicalIndex != m_checkColumnIndex)
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return size;
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size.setWidth(15);
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return size;
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}
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void QnCheckBoxedHeaderView::at_sectionClicked(int logicalIndex) {
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if (logicalIndex != m_checkColumnIndex)
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return;
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if (m_checkState != Qt::Checked)
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setCheckState(Qt::Checked);
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else
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setCheckState(Qt::Unchecked);
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}
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