src/gui/itemviews/qcolumnview_p.h
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/itemviews/qcolumnview_p.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,189 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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 <QtGui/qabstractitemdelegate.h>
+#include <QtGui/qabstractitemview.h>
+#include <QtGui/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
+