1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QGraphicsSceneResizeEvent>
#include <QGraphicsGridLayout>
#include <QGraphicsLinearLayout>
#include <QTimer>
#include "listwidget.h"
ListWidget::ListWidget(QGraphicsWidget * parent)
: GvbWidget(parent),
m_layout(new QGraphicsLinearLayout(Qt::Vertical)),
m_listView(new SimpleListView(this))
{
//listView->setViewport(listView->content());
//listView->content()->setParentItem(listView);
setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
setContentsMargins(0,0,0,0);
m_layout->setContentsMargins(0,0,0,0);
m_listView->setContentsMargins(0,0,0,0);
m_layout->addItem(m_listView);
setLayout(m_layout);
m_scroller.setScrollable(m_listView);
m_listView->installEventFilter(&m_scroller);
m_listView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
}
ListWidget::~ListWidget()
{
}
void ListWidget::addItem(QGraphicsWidget *item)
{
m_listView->addItem(item);
}
void ListWidget::insertItem(int index, QGraphicsWidget *item)
{
m_listView->insertItem(index, item);
}
QGraphicsWidget* ListWidget::takeItem(int row)
{
return m_listView->takeItem(row);
}
QGraphicsWidget* ListWidget::itemAt(int row)
{
return m_listView->itemAt(row);
}
/* virtual */
void ListWidget::resizeEvent( QGraphicsSceneResizeEvent * event )
{
QGraphicsWidget::resizeEvent(event);
}
int ListWidget::itemCount() const
{
if (m_listView)
return m_listView->itemCount();
return 0;
}
ScrollBar* ListWidget::verticalScrollBar() const
{
if (m_listView)
return m_listView->verticalScrollBar();
return 0;
}
bool ListWidget::listItemCaching() const
{
return m_listView->listItemCaching();
}
void ListWidget::setListItemCaching(bool enable)
{
m_listView->setListItemCaching(enable);
}
void ListWidget::setTwoColumns(const bool twoColumns)
{
m_listView->setTwoColumns(twoColumns);
}
bool ListWidget::twoColumns()
{
return m_listView->twoColumns();
}
|
