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/******************************************************************************
* The MIT License (MIT)
*
* Copyright (c) 2016-2018 Baldur Karlsson
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
******************************************************************************/
#pragma once
#include <QHeaderView>
class QLabel;
class RDHeaderView : public QHeaderView
{
private:
Q_OBJECT
public:
explicit RDHeaderView(Qt::Orientation orient, QWidget *parent = 0);
~RDHeaderView();
int groupGapSize() const { return 6; }
QSize sizeHint() const override;
void setModel(QAbstractItemModel *model) override;
void reset() override;
// these aren't virtual so we can't override them properly, but it's convenient for internal use
// and any external calls that go to this type directly to use the correct version
int sectionSize(int logicalIndex) const;
int sectionViewportPosition(int logicalIndex) const;
int visualIndexAt(int position) const;
int logicalIndexAt(int position) const;
int count() const;
void resizeSection(int logicalIndex, int size);
void resizeSections(const QList<int> &sizes);
void resizeSections(QHeaderView::ResizeMode mode);
inline int logicalIndexAt(int x, int y) const;
inline int logicalIndexAt(const QPoint &pos) const;
bool hasGroupGap(int columnIndex) const;
bool hasGroupTitle(int columnIndex) const;
void setColumnStretchHints(const QList<int> &hints);
void setColumnGroupRole(int role) { m_columnGroupRole = role; }
int columnGroupRole() const { return m_columnGroupRole; }
void setPinnedColumns(int numColumns) { m_pinnedColumns = numColumns; }
int pinnedColumns() const { return m_pinnedColumns; }
void setCustomSizing(bool sizing) { m_customSizing = sizing; }
int pinnedWidth() { return m_pinnedWidth; }
public slots:
void setRootIndex(const QModelIndex &index) override;
void headerDataChanged(Qt::Orientation orientation, int logicalFirst, int logicalLast);
void columnsInserted(const QModelIndex &parent, int first, int last);
void rowsChanged(const QModelIndex &parent, int first, int last);
protected:
void mousePressEvent(QMouseEvent *event) override;
void mouseMoveEvent(QMouseEvent *event) override;
void mouseReleaseEvent(QMouseEvent *event) override;
void paintEvent(QPaintEvent *e) override;
void paintSection(QPainter *painter, const QRect &rect, int section) const override;
void currentChanged(const QModelIndex ¤t, const QModelIndex &old) override;
void updateGeometries() override;
enum ResizeType
{
NoResize,
LeftResize,
RightResize
};
QPair<ResizeType, int> checkResizing(QMouseEvent *event);
QPair<ResizeType, int> m_resizeState;
int m_cursorPos = -1;
void cacheSections();
void resizeSectionsWithHints();
void cacheSectionMinSizes();
struct SectionData
{
int offset = 0;
int size = 0;
int group = 0;
bool groupGap = false;
};
QSize m_sizeHint;
QVector<SectionData> m_sections;
int m_pinnedWidth = 0;
bool m_suppressSectionCache = false;
bool m_customSizing = false;
QList<int> m_sectionStretchHints;
QVector<int> m_sectionMinSizes;
int m_columnGroupRole = 0;
int m_pinnedColumns = 0;
int m_movingSection = -1;
QLabel *m_sectionPreview = NULL;
int m_sectionPreviewOffset = 0;
};
inline int RDHeaderView::logicalIndexAt(int ax, int ay) const
{
return orientation() == Qt::Horizontal ? logicalIndexAt(ax) : logicalIndexAt(ay);
}
inline int RDHeaderView::logicalIndexAt(const QPoint &apos) const
{
return logicalIndexAt(apos.x(), apos.y());
}
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