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Diffstat (limited to 'src/widgets/itemviews/qcolumnview_p.h')
| -rw-r--r-- | src/widgets/itemviews/qcolumnview_p.h | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/src/widgets/itemviews/qcolumnview_p.h b/src/widgets/itemviews/qcolumnview_p.h new file mode 100644 index 0000000000..0da719e756 --- /dev/null +++ b/src/widgets/itemviews/qcolumnview_p.h @@ -0,0 +1,189 @@ +/**************************************************************************** +** +** 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 QCOLUMNVIEW_P_H +#define QCOLUMNVIEW_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists for the convenience +// of other Qt classes. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include "qcolumnview.h" + +#ifndef QT_NO_QCOLUMNVIEW + +#include <private/qabstractitemview_p.h> + +#include <QtCore/qabstractitemmodel.h> +#include <QtCore/qpropertyanimation.h> +#include <QtWidgets/qabstractitemdelegate.h> +#include <QtWidgets/qabstractitemview.h> +#include <QtWidgets/qitemdelegate.h> +#include <qlistview.h> +#include <qevent.h> +#include <qscrollbar.h> + +QT_BEGIN_NAMESPACE + +class QColumnViewPreviewColumn : public QAbstractItemView { + +public: + QColumnViewPreviewColumn(QWidget *parent) : QAbstractItemView(parent), previewWidget(0) { + } + + void setPreviewWidget(QWidget *widget) { + previewWidget = widget; + setMinimumWidth(previewWidget->minimumWidth()); + } + + void resizeEvent(QResizeEvent * event){ + if (!previewWidget) + return; + previewWidget->resize( + qMax(previewWidget->minimumWidth(), event->size().width()), + previewWidget->height()); + QSize p = viewport()->size(); + QSize v = previewWidget->size(); + horizontalScrollBar()->setRange(0, v.width() - p.width()); + horizontalScrollBar()->setPageStep(p.width()); + verticalScrollBar()->setRange(0, v.height() - p.height()); + verticalScrollBar()->setPageStep(p.height()); + + QAbstractScrollArea::resizeEvent(event); + } + + QRect visualRect(const QModelIndex &) const + { + return QRect(); + } + void scrollTo(const QModelIndex &, ScrollHint) + { + } + QModelIndex indexAt(const QPoint &) const + { + return QModelIndex(); + } + QModelIndex moveCursor(CursorAction, Qt::KeyboardModifiers) + { + return QModelIndex(); + } + int horizontalOffset () const { + return 0; + } + int verticalOffset () const { + return 0; + } + QRegion visualRegionForSelection(const QItemSelection &) const + { + return QRegion(); + } + bool isIndexHidden(const QModelIndex &) const + { + return false; + } + void setSelection(const QRect &, QItemSelectionModel::SelectionFlags) + { + } +private: + QWidget *previewWidget; +}; + +class Q_AUTOTEST_EXPORT QColumnViewPrivate : public QAbstractItemViewPrivate +{ + Q_DECLARE_PUBLIC(QColumnView) + +public: + QColumnViewPrivate(); + ~QColumnViewPrivate(); + void initialize(); + + QAbstractItemView *createColumn(const QModelIndex &index, bool show); + + void updateScrollbars(); + void closeColumns(const QModelIndex &parent = QModelIndex(), bool build = false); + void doLayout(); + void setPreviewWidget(QWidget *widget); + void checkColumnCreation(const QModelIndex &parent); + + + void _q_gripMoved(int offset); + void _q_changeCurrentColumn(); + void _q_clicked(const QModelIndex &index); + void _q_columnsInserted(const QModelIndex &parent, int start, int end); + + QList<QAbstractItemView*> columns; + QVector<int> columnSizes; // used during init and corner moving + bool showResizeGrips; + int offset; +#ifndef QT_NO_ANIMATION + QPropertyAnimation currentAnimation; +#endif + QWidget *previewWidget; + QAbstractItemView *previewColumn; +}; + +/*! + * This is a delegate that will paint the triangle + */ +class QColumnViewDelegate : public QItemDelegate +{ + +public: + explicit QColumnViewDelegate(QObject *parent = 0) : QItemDelegate(parent) {} + ~QColumnViewDelegate() {} + + void paint(QPainter *painter, + const QStyleOptionViewItem &option, + const QModelIndex &index) const; +}; +#endif // QT_NO_QCOLUMNVIEW + + +QT_END_NAMESPACE +#endif //QCOLUMNVIEW_P_H + |