f0cac3f42f
Commit 054a4aa7dd (being a SIC)
breaks QAbstractItemViews that used to override the
dataChanged(QModelIndex, QModelIndex) method, so this change
updates the dataChanged signature accordingly.
Change-Id: I632b6625c12dcb09abcb737ea2648efeeedeee8e
Reviewed-by: Lars Knoll <lars.knoll@nokia.com>
Reviewed-by: Stephen Kelly <stephen.kelly@kdab.com>
115 lines
3.9 KiB
C++
115 lines
3.9 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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** the names of its contributors may be used to endorse or promote
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** products derived from this software without specific prior written
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** permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef PIEVIEW_H
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#define PIEVIEW_H
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#include <QAbstractItemView>
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#include <QFont>
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#include <QItemSelection>
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#include <QItemSelectionModel>
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#include <QModelIndex>
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#include <QRect>
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#include <QSize>
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#include <QPoint>
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#include <QWidget>
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QT_BEGIN_NAMESPACE
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class QRubberBand;
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QT_END_NAMESPACE
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//! [0]
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class PieView : public QAbstractItemView
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{
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Q_OBJECT
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public:
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PieView(QWidget *parent = 0);
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QRect visualRect(const QModelIndex &index) const;
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void scrollTo(const QModelIndex &index, ScrollHint hint = EnsureVisible);
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QModelIndex indexAt(const QPoint &point) const;
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protected slots:
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void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight, const QSet<int> &);
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void rowsInserted(const QModelIndex &parent, int start, int end);
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void rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
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protected:
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bool edit(const QModelIndex &index, EditTrigger trigger, QEvent *event);
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QModelIndex moveCursor(QAbstractItemView::CursorAction cursorAction,
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Qt::KeyboardModifiers modifiers);
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int horizontalOffset() const;
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int verticalOffset() const;
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bool isIndexHidden(const QModelIndex &index) const;
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void setSelection(const QRect&, QItemSelectionModel::SelectionFlags command);
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void mousePressEvent(QMouseEvent *event);
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void mouseMoveEvent(QMouseEvent *event);
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void mouseReleaseEvent(QMouseEvent *event);
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void paintEvent(QPaintEvent *event);
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void resizeEvent(QResizeEvent *event);
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void scrollContentsBy(int dx, int dy);
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QRegion visualRegionForSelection(const QItemSelection &selection) const;
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private:
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QRect itemRect(const QModelIndex &item) const;
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QRegion itemRegion(const QModelIndex &index) const;
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int rows(const QModelIndex &index = QModelIndex()) const;
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void updateGeometries();
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int margin;
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int totalSize;
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int pieSize;
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int validItems;
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double totalValue;
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QPoint origin;
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QRubberBand *rubberBand;
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};
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//! [0]
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#endif
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