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92 lines
1.9 KiB
C++
92 lines
1.9 KiB
C++
#pragma once
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#include <QString>
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#include <QRect>
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#include <QVector>
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#include <QStyleOption>
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class GroupView;
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class QPainter;
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class QModelIndex;
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struct VisualRow
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{
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QList<QModelIndex> items;
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int height = 0;
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int top = 0;
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inline int size() const
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{
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return items.size();
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}
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inline QModelIndex &operator[](int i)
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{
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return items[i];
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}
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};
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struct VisualGroup
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{
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/* constructors */
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VisualGroup(const QString &text, GroupView *view);
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VisualGroup(const VisualGroup *other);
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/* data */
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GroupView *view = nullptr;
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QString text;
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bool collapsed = false;
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QVector<VisualRow> rows;
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int firstItemIndex = 0;
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int m_verticalPosition = 0;
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/* logic */
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/// update the internal list of items and flow them into the rows.
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void update();
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/// draw the header at y-position.
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void drawHeader(QPainter *painter, const QStyleOptionViewItem &option);
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/// height of the group, in total. includes a small bit of padding.
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int totalHeight() const;
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/// height of the group header, in pixels
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int headerHeight() const;
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/// height of the group content, in pixels
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int contentHeight() const;
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/// the number of visual rows this group has
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int numRows() const;
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/// actually calculate the above value
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int calculateNumRows() const;
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/// the height at which this group starts, in pixels
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int verticalPosition() const;
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/// relative geometry - top of the row of the given item
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int rowTopOf(const QModelIndex &index) const;
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/// height of the row of the given item
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int rowHeightOf(const QModelIndex &index) const;
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/// x/y position of the given item inside the group (in items!)
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QPair<int, int> positionOf(const QModelIndex &index) const;
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enum HitResult
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{
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NoHit = 0x0,
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TextHit = 0x1,
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CheckboxHit = 0x2,
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HeaderHit = 0x4,
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BodyHit = 0x8
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};
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Q_DECLARE_FLAGS(HitResults, HitResult)
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/// shoot! BANG! what did we hit?
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HitResults hitScan (const QPoint &pos) const;
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QList<QModelIndex> items() const;
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};
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Q_DECLARE_OPERATORS_FOR_FLAGS(VisualGroup::HitResults)
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