src/gui/itemviews/qabstractitemdelegate.h
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/itemviews/qabstractitemdelegate.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,134 @@
+/****************************************************************************
+**
+** 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 QABSTRACTITEMDELEGATE_H
+#define QABSTRACTITEMDELEGATE_H
+
+#include <QtCore/qobject.h>
+#include <QtGui/qstyleoption.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+#ifndef QT_NO_ITEMVIEWS
+
+class QPainter;
+class QModelIndex;
+class QAbstractItemModel;
+class QAbstractItemView;
+class QHelpEvent;
+
+class Q_GUI_EXPORT QAbstractItemDelegate : public QObject
+{
+    Q_OBJECT
+
+public:
+
+    enum EndEditHint {
+        NoHint,
+        EditNextItem,
+        EditPreviousItem,
+        SubmitModelCache,
+        RevertModelCache
+    };
+
+    explicit QAbstractItemDelegate(QObject *parent = 0);
+    virtual ~QAbstractItemDelegate();
+
+    // painting
+    virtual void paint(QPainter *painter,
+                       const QStyleOptionViewItem &option,
+                       const QModelIndex &index) const = 0;
+
+    virtual QSize sizeHint(const QStyleOptionViewItem &option,
+                           const QModelIndex &index) const = 0;
+
+    // editing
+    virtual QWidget *createEditor(QWidget *parent,
+                                  const QStyleOptionViewItem &option,
+                                  const QModelIndex &index) const;
+
+    virtual void setEditorData(QWidget *editor, const QModelIndex &index) const;
+
+    virtual void setModelData(QWidget *editor,
+                              QAbstractItemModel *model,
+                              const QModelIndex &index) const;
+
+    virtual void updateEditorGeometry(QWidget *editor,
+                                      const QStyleOptionViewItem &option,
+                                      const QModelIndex &index) const;
+
+    // for non-widget editors
+    virtual bool editorEvent(QEvent *event,
+                             QAbstractItemModel *model,
+                             const QStyleOptionViewItem &option,
+                             const QModelIndex &index);
+
+    static QString elidedText(const QFontMetrics &fontMetrics, int width,
+                              Qt::TextElideMode mode, const QString &text);
+
+public Q_SLOTS:
+    bool helpEvent(QHelpEvent *event,
+                   QAbstractItemView *view,
+                   const QStyleOptionViewItem &option,
+                   const QModelIndex &index);
+
+Q_SIGNALS:
+    void commitData(QWidget *editor);
+    void closeEditor(QWidget *editor, QAbstractItemDelegate::EndEditHint hint = NoHint);
+    void sizeHintChanged(const QModelIndex &);
+
+protected:
+    QAbstractItemDelegate(QObjectPrivate &, QObject *parent = 0);
+private:
+    Q_DISABLE_COPY(QAbstractItemDelegate)
+};
+
+#endif // QT_NO_ITEMVIEWS
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QABSTRACTITEMDELEGATE_H