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baldurk
856c838def
* In a previous update in 2021 many copyright ranges were truncated accidentally, and some files have been copy-pasted with wrong years. These dates have been fixed based on git history and original copyright messages.
137 lines
4.6 KiB
C++
137 lines
4.6 KiB
C++
/******************************************************************************
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* The MIT License (MIT)
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*
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* Copyright (c) 2017-2026 Baldur Karlsson
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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******************************************************************************/
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#pragma once
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#include <QHeaderView>
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class QLabel;
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class QAbstractScrollArea;
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class RDHeaderView : public QHeaderView
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{
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private:
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Q_OBJECT
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public:
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explicit RDHeaderView(Qt::Orientation orient, QWidget *parent = 0);
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~RDHeaderView();
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int groupGapSize() const { return 6; }
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QSize sizeHint() const override;
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void setModel(QAbstractItemModel *model) override;
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void reset() override;
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// these aren't virtual so we can't override them properly, but it's convenient for internal use
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// and any external calls that go to this type directly to use the correct version
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int sectionSize(int logicalIndex) const;
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int sectionViewportPosition(int logicalIndex) const;
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int visualIndexAt(int position) const;
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int logicalIndexAt(int position) const;
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int count() const;
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void resizeSection(int logicalIndex, int size);
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void resizeSections(const QList<int> &sizes);
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void resizeSections(QHeaderView::ResizeMode mode);
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inline int logicalIndexAt(int x, int y) const;
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inline int logicalIndexAt(const QPoint &pos) const;
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bool hasGroupGap(int columnIndex) const;
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bool hasGroupTitle(int columnIndex) const;
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void setColumnStretchHints(const QList<int> &hints);
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void setColumnGroupRole(int role) { m_columnGroupRole = role; }
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int columnGroupRole() const { return m_columnGroupRole; }
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void setPinnedColumns(int numColumns, QAbstractScrollArea *scroll);
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int pinnedColumns() const { return m_pinnedColumns; }
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void setCustomSizing(bool sizing) { m_customSizing = sizing; }
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bool customSizing() const { return m_customSizing; }
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int pinnedWidth() { return m_pinnedWidth; }
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public slots:
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void setRootIndex(const QModelIndex &index) override;
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void headerDataChanged(Qt::Orientation orientation, int logicalFirst, int logicalLast);
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void columnsInserted(const QModelIndex &parent, int first, int last);
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void rowsChanged(const QModelIndex &parent, int first, int last);
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protected:
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void mousePressEvent(QMouseEvent *event) override;
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void mouseMoveEvent(QMouseEvent *event) override;
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void mouseReleaseEvent(QMouseEvent *event) override;
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void paintEvent(QPaintEvent *e) override;
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void paintSection(QPainter *painter, const QRect &rect, int section) const override;
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void currentChanged(const QModelIndex ¤t, const QModelIndex &old) override;
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void updateGeometries() override;
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enum ResizeType
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{
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NoResize,
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LeftResize,
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RightResize
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};
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QPair<ResizeType, int> checkResizing(QMouseEvent *event);
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QPair<ResizeType, int> m_resizeState;
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int m_cursorPos = -1;
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void cacheSections();
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void resizeSectionsWithHints();
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void cacheSectionMinSizes();
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struct SectionData
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{
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int offset = 0;
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int size = 0;
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int group = 0;
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bool groupGap = false;
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};
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QSize m_sizeHint;
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QVector<SectionData> m_sections;
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int m_pinnedWidth = 0;
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bool m_suppressSectionCache = false;
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bool m_customSizing = false;
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QList<int> m_sectionStretchHints;
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QVector<int> m_sectionMinSizes;
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int m_columnGroupRole = 0;
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int m_pinnedColumns = 0;
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int m_movingSection = -1;
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QLabel *m_sectionPreview = NULL;
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int m_sectionPreviewOffset = 0;
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};
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inline int RDHeaderView::logicalIndexAt(int ax, int ay) const
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{
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return orientation() == Qt::Horizontal ? logicalIndexAt(ax) : logicalIndexAt(ay);
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}
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inline int RDHeaderView::logicalIndexAt(const QPoint &apos) const
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{
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return logicalIndexAt(apos.x(), apos.y());
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}
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