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2.7 KiB
C++

/*
Copyright 2006-2019 QElectroTech Team
This file is part of QElectroTech.
QElectroTech is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
QElectroTech is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with QElectroTech. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef QETGRAPHICSHEADERITEM_H
#define QETGRAPHICSHEADERITEM_H
#include "qetapp.h"
#include <QGraphicsObject>
#include <QFont>
#include <QMargins>
class QAbstractItemModel;
/**
* @brief The QetGraphicsHeaderItem class
* The header have a few parameters to edit her visual aspect.
* Margins, to edit the margin between the cell and the text.
* Text font.
* Text alignment in the cell
* These two last parameters are not settable directly with the header but trough the model to be displayed by the header.
*/
class QetGraphicsHeaderItem : public QGraphicsObject
{
Q_OBJECT
Q_PROPERTY(QMargins margins READ margins WRITE setMargins)
public:
QetGraphicsHeaderItem(QGraphicsItem *parent = nullptr);
enum { Type = UserType + 1301 };
int type() const override { return Type; }
void setModel(QAbstractItemModel *model);
QAbstractItemModel *model() const;
virtual QRectF boundingRect() const override;
virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;
QRect rect() const;
void resizeSection(int logicalIndex, int size);
int sectionSize(int logical_index) const;
QMargins margins() const {return m_margin;}
void setMargins(const QMargins &margins);
QVector<int> minimumSectionWidth() const {return m_sections_minimum_width;}
int minimumWidth() const {return m_minimum_width;}
signals:
void sectionResized(int logicalIndex, int size);
void heightResized();
private:
void setUpMinimumSectionsSize();
void setUpBoundingRect();
void headerDataChanged(Qt::Orientations orientation, int first, int last);
void adjustSize();
private:
QRectF m_bounding_rect;
QAbstractItemModel *m_model = nullptr;
QMargins m_margin;
QVector<int> m_sections_minimum_width,
m_current_sections_width;
int m_section_height=1,
m_minimum_section_height=1;
int m_minimum_width=1;
QRect m_current_rect;
};
#endif // QETGRAPHICSHEADERITEM_H