1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the QtGui module of the Qt Toolkit.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

    11 ** This file contains pre-release code and may not be distributed.

    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    23 **

    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

    27 **

    28 ** If you have questions regarding the use of this file, please contact

    29 ** Nokia at qt-info@nokia.com.

    30 **

    31 **

    32 **

    33 **

    34 **

    35 **

    36 **

    37 **

    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #ifndef QITEMDELEGATE_H

    43 #define QITEMDELEGATE_H

    44 

    45 #include <QtGui/qabstractitemdelegate.h>

    46 #include <QtCore/qstring.h>

    47 #include <QtGui/qpixmap.h>

    48 #include <QtCore/qvariant.h>

    49 

    50 QT_BEGIN_HEADER

    51 

    52 QT_BEGIN_NAMESPACE

    53 

    54 QT_MODULE(Gui)

    55 

    56 #ifndef QT_NO_ITEMVIEWS

    57 

    58 class QItemDelegatePrivate;

    59 class QItemEditorFactory;

    60 

    61 class Q_GUI_EXPORT QItemDelegate : public QAbstractItemDelegate

    62 {

    63     Q_OBJECT

    64     Q_PROPERTY(bool clipping READ hasClipping WRITE setClipping)

    65 

    66 public:

    67     explicit QItemDelegate(QObject *parent = 0);

    68     ~QItemDelegate();

    69 

    70     bool hasClipping() const;

    71     void setClipping(bool clip);

    72 

    73     // painting

    74     void paint(QPainter *painter,

    75                const QStyleOptionViewItem &option,

    76                const QModelIndex &index) const;

    77     QSize sizeHint(const QStyleOptionViewItem &option,

    78                    const QModelIndex &index) const;

    79 

    80     // editing

    81     QWidget *createEditor(QWidget *parent,

    82                           const QStyleOptionViewItem &option,

    83                           const QModelIndex &index) const;

    84 

    85     void setEditorData(QWidget *editor, const QModelIndex &index) const;

    86     void setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const;

    87 

    88     void updateEditorGeometry(QWidget *editor,

    89                               const QStyleOptionViewItem &option,

    90                               const QModelIndex &index) const;

    91 

    92     // editor factory

    93     QItemEditorFactory *itemEditorFactory() const;

    94     void setItemEditorFactory(QItemEditorFactory *factory);

    95 

    96 protected:

    97     virtual void drawDisplay(QPainter *painter, const QStyleOptionViewItem &option,

    98                              const QRect &rect, const QString &text) const;

    99     virtual void drawDecoration(QPainter *painter, const QStyleOptionViewItem &option,

   100                                 const QRect &rect, const QPixmap &pixmap) const;

   101     virtual void drawFocus(QPainter *painter, const QStyleOptionViewItem &option,

   102                            const QRect &rect) const;

   103     virtual void drawCheck(QPainter *painter, const QStyleOptionViewItem &option,

   104                            const QRect &rect, Qt::CheckState state) const;

   105     void drawBackground(QPainter *painter, const QStyleOptionViewItem &option,

   106                         const QModelIndex &index) const;

   107 

   108     void doLayout(const QStyleOptionViewItem &option,

   109                   QRect *checkRect, QRect *iconRect, QRect *textRect, bool hint) const;

   110 

   111     QRect rect(const QStyleOptionViewItem &option, const QModelIndex &index, int role) const;

   112 

   113     bool eventFilter(QObject *object, QEvent *event);

   114     bool editorEvent(QEvent *event, QAbstractItemModel *model,

   115                      const QStyleOptionViewItem &option, const QModelIndex &index);

   116 

   117     QStyleOptionViewItem setOptions(const QModelIndex &index,

   118                                     const QStyleOptionViewItem &option) const;

   119 

   120     QPixmap decoration(const QStyleOptionViewItem &option, const QVariant &variant) const;

   121     QPixmap *selected(const QPixmap &pixmap, const QPalette &palette, bool enabled) const;

   122 

   123     QRect check(const QStyleOptionViewItem &option, const QRect &bounding,

   124                 const QVariant &variant) const;

   125     QRect textRectangle(QPainter *painter, const QRect &rect,

   126                         const QFont &font, const QString &text) const;

   127 

   128 private:

   129     Q_DECLARE_PRIVATE(QItemDelegate)

   130     Q_DISABLE_COPY(QItemDelegate)

   131 

   132     Q_PRIVATE_SLOT(d_func(), void _q_commitDataAndCloseEditor(QWidget*))

   133 };

   134 

   135 #endif // QT_NO_ITEMVIEWS

   136 

   137 QT_END_NAMESPACE

   138 

   139 QT_END_HEADER

   140 

   141 #endif // QITEMDELEGATE_H