100 lines
3.5 KiB
C++
100 lines
3.5 KiB
C++
/* === This file is part of Calamares - <http://github.com/calamares> ===
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*
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* Copyright 2014, Aurélien Gâteau <agateau@kde.org>
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* Copyright 2015-2016, Teo Mrnjavac <teo@kde.org>
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*
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* Calamares is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Calamares is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Calamares. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef PARTITIONPREVIEW_H
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#define PARTITIONPREVIEW_H
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#include "PartitionViewSelectionFilter.h"
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#include <QAbstractItemView>
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/**
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* A Qt model view which displays the partitions inside a device as a colored bar.
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*
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* It has been created to be used with a PartitionModel instance, but does not
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* call any PartitionModel-specific methods: it should be usable with other
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* models as long as they provide the same roles PartitionModel provides.
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*/
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class PartitionBarsView : public QAbstractItemView
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{
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Q_OBJECT
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public:
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enum NestedPartitionsMode
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{
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NoNestedPartitions = 0,
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DrawNestedPartitions
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};
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explicit PartitionBarsView( QWidget* parent = nullptr );
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virtual ~PartitionBarsView();
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void setNestedPartitionsMode( NestedPartitionsMode mode );
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QSize minimumSizeHint() const override;
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QSize sizeHint() const override;
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void paintEvent( QPaintEvent* event ) override;
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// QAbstractItemView API
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QModelIndex indexAt( const QPoint& point ) const override;
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QRect visualRect( const QModelIndex& index ) const override;
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void scrollTo( const QModelIndex& index, ScrollHint hint = EnsureVisible ) override;
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void setSelectionModel( QItemSelectionModel* selectionModel ) override;
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void setSelectionFilter( SelectionFilter canBeSelected );
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protected:
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// QAbstractItemView API
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QRegion visualRegionForSelection( const QItemSelection& selection ) const override;
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int horizontalOffset() const override;
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int verticalOffset() const override;
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bool isIndexHidden( const QModelIndex& index ) const override;
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QModelIndex moveCursor( CursorAction cursorAction, Qt::KeyboardModifiers modifiers ) override;
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void setSelection( const QRect& rect, QItemSelectionModel::SelectionFlags flags ) override;
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void mouseMoveEvent( QMouseEvent* event ) override;
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void leaveEvent( QEvent* event ) override;
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void mousePressEvent( QMouseEvent* event ) override;
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protected slots:
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void updateGeometries() override;
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private:
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void drawPartitions( QPainter* painter, const QRect& rect, const QModelIndex& parent );
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void drawSection( QPainter* painter, const QRect& rect_, int x, int width, const QModelIndex& index );
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QModelIndex indexAt( const QPoint& point, const QRect& rect, const QModelIndex& parent ) const;
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QRect visualRect( const QModelIndex& index, const QRect& rect, const QModelIndex& parent ) const;
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NestedPartitionsMode m_nestedPartitionsMode;
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SelectionFilter canBeSelected;
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struct Item
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{
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qreal size;
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QModelIndex index;
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};
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inline QPair< QVector< Item >, qreal > computeItemsVector( const QModelIndex& parent ) const;
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QPersistentModelIndex m_hoveredIndex;
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};
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#endif /* PARTITIONPREVIEW_H */
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