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222 lines
8.1 KiB
C++
222 lines
8.1 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QTABLEWIDGET_P_H
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#define QTABLEWIDGET_P_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. This header file may change
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// from version to version without notice, or even be removed.
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//
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// We mean it.
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//
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#include <qheaderview.h>
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#include <qtablewidget.h>
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#include <qabstractitemmodel.h>
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#include <qabstractitemmodel_p.h>
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#include <qtableview_p.h>
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#include <qwidgetitemdata_p.h>
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#ifndef QT_NO_TABLEWIDGET
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QT_BEGIN_NAMESPACE
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// workaround for VC++ 6.0 linker bug
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typedef bool(*LessThan)(const QPair<QTableWidgetItem*,int>&,const QPair<QTableWidgetItem*,int>&);
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class QTableWidgetMimeData : public QMimeData
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{
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Q_OBJECT
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public:
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QList<QTableWidgetItem*> items;
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};
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class QTableModelLessThan
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{
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public:
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inline bool operator()(QTableWidgetItem *i1, QTableWidgetItem *i2) const
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{ return (*i1 < *i2); }
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};
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class QTableModelGreaterThan
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{
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public:
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inline bool operator()(QTableWidgetItem *i1, QTableWidgetItem *i2) const
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{ return (*i2 < *i1); }
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};
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class QTableModel : public QAbstractTableModel
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{
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Q_OBJECT
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public:
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enum ItemFlagsExtension {
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ItemIsHeaderItem = 128
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}; // we need this to separate header items from other items
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QTableModel(int rows, int columns, QTableWidget *parent);
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~QTableModel();
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bool insertRows(int row, int count = 1, const QModelIndex &parent = QModelIndex());
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bool insertColumns(int column, int count = 1, const QModelIndex &parent = QModelIndex());
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bool removeRows(int row, int count = 1, const QModelIndex &parent = QModelIndex());
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bool removeColumns(int column, int count = 1, const QModelIndex &parent = QModelIndex());
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void setItem(int row, int column, QTableWidgetItem *item);
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QTableWidgetItem *takeItem(int row, int column);
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QTableWidgetItem *item(int row, int column) const;
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QTableWidgetItem *item(const QModelIndex &index) const;
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void removeItem(QTableWidgetItem *item);
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void setHorizontalHeaderItem(int section, QTableWidgetItem *item);
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void setVerticalHeaderItem(int section, QTableWidgetItem *item);
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QTableWidgetItem *takeHorizontalHeaderItem(int section);
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QTableWidgetItem *takeVerticalHeaderItem(int section);
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QTableWidgetItem *horizontalHeaderItem(int section);
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QTableWidgetItem *verticalHeaderItem(int section);
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QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const
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{ return QAbstractTableModel::index(row, column, parent); }
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QModelIndex index(const QTableWidgetItem *item) const;
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void setRowCount(int rows);
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void setColumnCount(int columns);
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int rowCount(const QModelIndex &parent = QModelIndex()) const;
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int columnCount(const QModelIndex &parent = QModelIndex()) const;
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QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
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bool setData(const QModelIndex &index, const QVariant &value, int role);
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bool setItemData(const QModelIndex &index, const QMap<int, QVariant> &roles);
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QMap<int, QVariant> itemData(const QModelIndex &index) const;
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QVariant headerData(int section, Qt::Orientation orientation, int role) const;
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bool setHeaderData(int section, Qt::Orientation orientation, const QVariant &value, int role);
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Qt::ItemFlags flags(const QModelIndex &index) const;
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void sort(int column, Qt::SortOrder order);
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static bool itemLessThan(const QPair<QTableWidgetItem*,int> &left,
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const QPair<QTableWidgetItem*,int> &right);
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static bool itemGreaterThan(const QPair<QTableWidgetItem*,int> &left,
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const QPair<QTableWidgetItem*,int> &right);
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void ensureSorted(int column, Qt::SortOrder order, int start, int end);
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QVector<QTableWidgetItem*> columnItems(int column) const;
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void updateRowIndexes(QModelIndexList &indexes, int movedFromRow, int movedToRow);
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static QVector<QTableWidgetItem*>::iterator sortedInsertionIterator(
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const QVector<QTableWidgetItem*>::iterator &begin,
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const QVector<QTableWidgetItem*>::iterator &end,
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Qt::SortOrder order, QTableWidgetItem *item);
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bool isValid(const QModelIndex &index) const;
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inline long tableIndex(int row, int column) const
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{ return (row * horizontalHeaderItems.count()) + column; }
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void clear();
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void clearContents();
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void itemChanged(QTableWidgetItem *item);
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QTableWidgetItem *createItem() const;
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const QTableWidgetItem *itemPrototype() const;
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void setItemPrototype(const QTableWidgetItem *item);
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// dnd
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QStringList mimeTypes() const;
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QMimeData *mimeData(const QModelIndexList &indexes) const;
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bool dropMimeData(const QMimeData *data, Qt::DropAction action,
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int row, int column, const QModelIndex &parent);
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Qt::DropActions supportedDropActions() const;
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QMimeData *internalMimeData() const;
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private:
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const QTableWidgetItem *prototype;
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QVector<QTableWidgetItem*> tableItems;
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QVector<QTableWidgetItem*> verticalHeaderItems;
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QVector<QTableWidgetItem*> horizontalHeaderItems;
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// A cache must be mutable if get-functions should have const modifiers
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mutable QModelIndexList cachedIndexes;
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};
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class QTableWidgetPrivate : public QTableViewPrivate
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{
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Q_DECLARE_PUBLIC(QTableWidget)
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public:
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QTableWidgetPrivate() : QTableViewPrivate() {}
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inline QTableModel *tableModel() const { return qobject_cast<QTableModel*>(model); }
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void setup();
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// view signals
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void _q_emitItemPressed(const QModelIndex &index);
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void _q_emitItemClicked(const QModelIndex &index);
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void _q_emitItemDoubleClicked(const QModelIndex &index);
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void _q_emitItemActivated(const QModelIndex &index);
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void _q_emitItemEntered(const QModelIndex &index);
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// model signals
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void _q_emitItemChanged(const QModelIndex &index);
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// selection signals
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void _q_emitCurrentItemChanged(const QModelIndex &previous, const QModelIndex ¤t);
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// sorting
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void _q_sort();
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void _q_dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
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};
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class QTableWidgetItemPrivate
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{
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public:
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QTableWidgetItemPrivate(QTableWidgetItem *item) : q(item), id(-1) {}
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QTableWidgetItem *q;
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int id;
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};
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QT_END_NAMESPACE
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#endif // QT_NO_TABLEWIDGET
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#endif // QTABLEWIDGET_P_H
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