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Diffstat (limited to 'src/widgets/itemviews/qtablewidget_p.h')
| -rw-r--r-- | src/widgets/itemviews/qtablewidget_p.h | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/src/widgets/itemviews/qtablewidget_p.h b/src/widgets/itemviews/qtablewidget_p.h new file mode 100644 index 0000000000..7b7fc21ce8 --- /dev/null +++ b/src/widgets/itemviews/qtablewidget_p.h @@ -0,0 +1,222 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QTABLEWIDGET_P_H +#define QTABLEWIDGET_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. This header file may change +// from version to version without notice, or even be removed. +// +// We mean it. +// + +#include <qheaderview.h> +#include <qtablewidget.h> +#include <qabstractitemmodel.h> +#include <private/qabstractitemmodel_p.h> +#include <private/qtableview_p.h> +#include <private/qwidgetitemdata_p.h> + +#ifndef QT_NO_TABLEWIDGET + +QT_BEGIN_NAMESPACE + +// workaround for VC++ 6.0 linker bug +typedef bool(*LessThan)(const QPair<QTableWidgetItem*,int>&,const QPair<QTableWidgetItem*,int>&); + +class QTableWidgetMimeData : public QMimeData +{ + Q_OBJECT +public: + QList<QTableWidgetItem*> items; +}; + +class QTableModelLessThan +{ +public: + inline bool operator()(QTableWidgetItem *i1, QTableWidgetItem *i2) const + { return (*i1 < *i2); } +}; + +class QTableModelGreaterThan +{ +public: + inline bool operator()(QTableWidgetItem *i1, QTableWidgetItem *i2) const + { return (*i2 < *i1); } +}; + +class QTableModel : public QAbstractTableModel +{ + Q_OBJECT +public: + enum ItemFlagsExtension { + ItemIsHeaderItem = 128 + }; // we need this to separate header items from other items + + QTableModel(int rows, int columns, QTableWidget *parent); + ~QTableModel(); + + bool insertRows(int row, int count = 1, const QModelIndex &parent = QModelIndex()); + bool insertColumns(int column, int count = 1, const QModelIndex &parent = QModelIndex()); + + bool removeRows(int row, int count = 1, const QModelIndex &parent = QModelIndex()); + bool removeColumns(int column, int count = 1, const QModelIndex &parent = QModelIndex()); + + void setItem(int row, int column, QTableWidgetItem *item); + QTableWidgetItem *takeItem(int row, int column); + QTableWidgetItem *item(int row, int column) const; + QTableWidgetItem *item(const QModelIndex &index) const; + void removeItem(QTableWidgetItem *item); + + void setHorizontalHeaderItem(int section, QTableWidgetItem *item); + void setVerticalHeaderItem(int section, QTableWidgetItem *item); + QTableWidgetItem *takeHorizontalHeaderItem(int section); + QTableWidgetItem *takeVerticalHeaderItem(int section); + QTableWidgetItem *horizontalHeaderItem(int section); + QTableWidgetItem *verticalHeaderItem(int section); + + QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const + { return QAbstractTableModel::index(row, column, parent); } + + QModelIndex index(const QTableWidgetItem *item) const; + + void setRowCount(int rows); + void setColumnCount(int columns); + + int rowCount(const QModelIndex &parent = QModelIndex()) const; + int columnCount(const QModelIndex &parent = QModelIndex()) const; + + QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const; + bool setData(const QModelIndex &index, const QVariant &value, int role); + bool setItemData(const QModelIndex &index, const QMap<int, QVariant> &roles); + + QMap<int, QVariant> itemData(const QModelIndex &index) const; + + QVariant headerData(int section, Qt::Orientation orientation, int role) const; + bool setHeaderData(int section, Qt::Orientation orientation, const QVariant &value, int role); + + Qt::ItemFlags flags(const QModelIndex &index) const; + + void sort(int column, Qt::SortOrder order); + static bool itemLessThan(const QPair<QTableWidgetItem*,int> &left, + const QPair<QTableWidgetItem*,int> &right); + static bool itemGreaterThan(const QPair<QTableWidgetItem*,int> &left, + const QPair<QTableWidgetItem*,int> &right); + + void ensureSorted(int column, Qt::SortOrder order, int start, int end); + QVector<QTableWidgetItem*> columnItems(int column) const; + void updateRowIndexes(QModelIndexList &indexes, int movedFromRow, int movedToRow); + static QVector<QTableWidgetItem*>::iterator sortedInsertionIterator( + const QVector<QTableWidgetItem*>::iterator &begin, + const QVector<QTableWidgetItem*>::iterator &end, + Qt::SortOrder order, QTableWidgetItem *item); + + bool isValid(const QModelIndex &index) const; + inline long tableIndex(int row, int column) const + { return (row * horizontalHeaderItems.count()) + column; } + + void clear(); + void clearContents(); + void itemChanged(QTableWidgetItem *item); + + QTableWidgetItem *createItem() const; + const QTableWidgetItem *itemPrototype() const; + void setItemPrototype(const QTableWidgetItem *item); + + // dnd + QStringList mimeTypes() const; + QMimeData *mimeData(const QModelIndexList &indexes) const; + bool dropMimeData(const QMimeData *data, Qt::DropAction action, + int row, int column, const QModelIndex &parent); + Qt::DropActions supportedDropActions() const; + + QMimeData *internalMimeData() const; + +private: + const QTableWidgetItem *prototype; + QVector<QTableWidgetItem*> tableItems; + QVector<QTableWidgetItem*> verticalHeaderItems; + QVector<QTableWidgetItem*> horizontalHeaderItems; + + // A cache must be mutable if get-functions should have const modifiers + mutable QModelIndexList cachedIndexes; +}; + +class QTableWidgetPrivate : public QTableViewPrivate +{ + Q_DECLARE_PUBLIC(QTableWidget) +public: + QTableWidgetPrivate() : QTableViewPrivate() {} + inline QTableModel *tableModel() const { return qobject_cast<QTableModel*>(model); } + void setup(); + + // view signals + void _q_emitItemPressed(const QModelIndex &index); + void _q_emitItemClicked(const QModelIndex &index); + void _q_emitItemDoubleClicked(const QModelIndex &index); + void _q_emitItemActivated(const QModelIndex &index); + void _q_emitItemEntered(const QModelIndex &index); + // model signals + void _q_emitItemChanged(const QModelIndex &index); + // selection signals + void _q_emitCurrentItemChanged(const QModelIndex &previous, const QModelIndex ¤t); + // sorting + void _q_sort(); + void _q_dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight); +}; + +class QTableWidgetItemPrivate +{ +public: + QTableWidgetItemPrivate(QTableWidgetItem *item) : q(item), id(-1) {} + QTableWidgetItem *q; + int id; +}; + +QT_END_NAMESPACE + +#endif // QT_NO_TABLEWIDGET + +#endif // QTABLEWIDGET_P_H |