source: trunk/src/gui/itemviews/qstyleditemdelegate.cpp@ 635

Last change on this file since 635 was 561, checked in by Dmitry A. Kuminov, 16 years ago

trunk: Merged in qt 4.6.1 sources.

File size: 27.9 KB
Line 
1/****************************************************************************
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3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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41
42#include "qstyleditemdelegate.h"
43
44#ifndef QT_NO_ITEMVIEWS
45#include <qabstractitemmodel.h>
46#include <qapplication.h>
47#include <qbrush.h>
48#include <qlineedit.h>
49#include <qtextedit.h>
50#include <qplaintextedit.h>
51#include <qpainter.h>
52#include <qpalette.h>
53#include <qpoint.h>
54#include <qrect.h>
55#include <qsize.h>
56#include <qstyle.h>
57#include <qdatetime.h>
58#include <qstyleoption.h>
59#include <qevent.h>
60#include <qpixmap.h>
61#include <qbitmap.h>
62#include <qpixmapcache.h>
63#include <qitemeditorfactory.h>
64#include <private/qitemeditorfactory_p.h>
65#include <qmetaobject.h>
66#include <qtextlayout.h>
67#include <private/qobject_p.h>
68#include <private/qdnd_p.h>
69#include <private/qtextengine_p.h>
70#include <private/qlayoutengine_p.h>
71#include <qdebug.h>
72#include <qlocale.h>
73#include <qdialog.h>
74#include <qtableview.h>
75
76#include <limits.h>
77
78QT_BEGIN_NAMESPACE
79
80class QStyledItemDelegatePrivate : public QObjectPrivate
81{
82 Q_DECLARE_PUBLIC(QStyledItemDelegate)
83
84public:
85 QStyledItemDelegatePrivate() : factory(0) { }
86
87 static const QWidget *widget(const QStyleOptionViewItem &option)
88 {
89 if (const QStyleOptionViewItemV3 *v3 = qstyleoption_cast<const QStyleOptionViewItemV3 *>(&option))
90 return v3->widget;
91 return 0;
92 }
93
94 const QItemEditorFactory *editorFactory() const
95 {
96 return factory ? factory : QItemEditorFactory::defaultFactory();
97 }
98
99 void _q_commitDataAndCloseEditor(QWidget *editor)
100 {
101 Q_Q(QStyledItemDelegate);
102 emit q->commitData(editor);
103 emit q->closeEditor(editor, QAbstractItemDelegate::SubmitModelCache);
104 }
105 QItemEditorFactory *factory;
106};
107
108/*!
109 \class QStyledItemDelegate
110
111 \brief The QStyledItemDelegate class provides display and editing facilities for
112 data items from a model.
113
114 \ingroup model-view
115
116 \since 4.4
117
118 When displaying data from models in Qt item views, e.g., a
119 QTableView, the individual items are drawn by a delegate. Also,
120 when an item is edited, it provides an editor widget, which is
121 placed on top of the item view while editing takes place.
122 QStyledItemDelegate is the default delegate for all Qt item
123 views, and is installed upon them when they are created.
124
125 The QStyledItemDelegate class is one of the \l{Model/View Classes}
126 and is part of Qt's \l{Model/View Programming}{model/view
127 framework}. The delegate allows the display and editing of items