qt.widgets.abstractitemdelegate source code

1 /****************************************************************************
2 **
3 ** DQt - D bindings for the Qt Toolkit
4 **
5 ** GNU Lesser General Public License Usage
6 ** This file may be used under the terms of the GNU Lesser
7 ** General Public License version 3 as published by the Free Software
8 ** Foundation and appearing in the file LICENSE.LGPL3 included in the
9 ** packaging of this file. Please review the following information to
10 ** ensure the GNU Lesser General Public License version 3 requirements
11 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
12 **
13 ****************************************************************************/
14 module qt.widgets.abstractitemdelegate;
15 extern(C++):
16 
17 import qt.config;
18 import qt.core.abstractitemmodel;
19 import qt.core.coreevent;
20 import qt.core.namespace;
21 import qt.core.object;
22 import qt.core.size;
23 import qt.core.string;
24 import qt.core.vector;
25 import qt.gui.event;
26 import qt.gui.fontmetrics;
27 import qt.gui.painter;
28 import qt.helpers;
29 import qt.widgets.abstractitemview;
30 import qt.widgets.styleoption;
31 import qt.widgets.widget;
32 
33 /+ QT_REQUIRE_CONFIG(itemviews);
34 
35 
36 class QPainter;
37 class QModelIndex;
38 class QAbstractItemModel;
39 class QAbstractItemView;
40 class QHelpEvent; +/
41 extern(C++, class) struct QAbstractItemDelegatePrivate;
42 
43 class /+ Q_WIDGETS_EXPORT +/ QAbstractItemDelegate : QObject
44 {
45     mixin(Q_OBJECT);
46 
47 public:
48 
49     enum EndEditHint {
50         NoHint,
51         EditNextItem,
52         EditPreviousItem,
53         SubmitModelCache,
54         RevertModelCache
55     }
56 
57     /+ explicit +/this(QObject parent = null);
58     /+ virtual +/~this();
59 
60     // painting
61     /+ virtual +/ abstract void paint(QPainter* painter,
62                            ref const(QStyleOptionViewItem) option,
63                            ref const(QModelIndex) index) const;
64 
65     /+ virtual +/ abstract QSize sizeHint(ref const(QStyleOptionViewItem) option,
66                                ref const(QModelIndex) index) const;
67 
68     // editing
69     /+ virtual +/ QWidget createEditor(QWidget parent,
70                                       ref const(QStyleOptionViewItem) option,
71                                       ref const(QModelIndex) index) const;
72 
73     /+ virtual +/ void destroyEditor(QWidget editor, ref const(QModelIndex) index) const;
74 
75     /+ virtual +/ void setEditorData(QWidget editor, ref const(QModelIndex) index) const;
76 
77     /+ virtual +/ void setModelData(QWidget editor,
78                                   QAbstractItemModel model,
79                                   ref const(QModelIndex) index) const;
80 
81     /+ virtual +/ void updateEditorGeometry(QWidget editor,
82                                           ref const(QStyleOptionViewItem) option,
83                                           ref const(QModelIndex) index) const;
84 
85     // for non-widget editors
86     /+ virtual +/ bool editorEvent(QEvent event,
87                                  QAbstractItemModel model,
88                                  ref const(QStyleOptionViewItem) option,
89                                  ref const(QModelIndex) index);
90 
91 /+ #if QT_DEPRECATED_SINCE(5, 13) +/
92     /+ QT_DEPRECATED_X("Use QFontMetrics::elidedText() instead") +/
93         static QString elidedText(ref const(QFontMetrics) fontMetrics, int width,
94                                   /+ Qt:: +/qt.core.namespace.TextElideMode mode, ref const(QString) text);
95 /+ #endif +/
96 
97     /+ virtual +/ bool helpEvent(QHelpEvent event,
98                                QAbstractItemView view,
99                                ref const(QStyleOptionViewItem) option,
100                                ref const(QModelIndex) index);
101 
102     /+ virtual +/ QVector!(int) paintingRoles() const;
103 
104 /+ Q_SIGNALS +/public:
105     @QSignal final void commitData(QWidget editor);
106     @QSignal final void closeEditor(QWidget editor, QAbstractItemDelegate.EndEditHint hint = EndEditHint.NoHint);
107     @QSignal final void sizeHintChanged(ref const(QModelIndex) );
108 
109 protected:
110     this(ref QObjectPrivate , QObject parent = null);
111 private:
112     /+ Q_DECLARE_PRIVATE(QAbstractItemDelegate) +/
113     /+ Q_DISABLE_COPY(QAbstractItemDelegate) +/
114     /+ Q_PRIVATE_SLOT(d_func(), void _q_commitDataAndCloseEditor(QWidget*)) +/
115 }
116