summaryrefslogtreecommitdiffstats
path: root/examples/qtmail/libs/qmfutil/folderdelegate.cpp
blob: 5002fa83793eebd8e60a30530890623b81197fb4 (plain)
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
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Messaging Framework.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "folderdelegate.h"
#include <QAbstractItemView>
#include <QKeyEvent>
#include <QPainter>
#include <QScrollBar>

FolderDelegate::FolderDelegate(QAbstractItemView *parent)
    : QItemDelegate(parent),
      _parent(parent),
      _scrollBar(parent ? parent->verticalScrollBar() : 0),
      m_showStatus(true)
{
}

FolderDelegate::FolderDelegate(QWidget *parent)
    : QItemDelegate(parent),
      _parent(parent),
      _scrollBar(0),
      m_showStatus(true)
{
}

void FolderDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
    const_cast<FolderDelegate*>(this)->init(option, index);
    QItemDelegate::paint(painter, option, index);
}

void FolderDelegate::drawDisplay(QPainter *painter, const QStyleOptionViewItem &option, const QRect &originalRect, const QString &text) const
{
    static const int smoothListScrollBarWidth = 6;

    // Reduce the available width by the scrollbar size, if necessary
    QRect rect(originalRect);
    if (_scrollBar && _scrollBar->isVisible())
        rect.setWidth(rect.width() - _parent->style()->pixelMetric(QStyle::PM_ScrollBarExtent));
    else if (!_scrollBar)
        rect.setWidth(rect.width() - smoothListScrollBarWidth);

    int tw = 0;
    if (!_statusText.isEmpty()) {
        QFontMetrics fontMetrics(option.font);
        tw = fontMetrics.width(_statusText);
    }

    QRect textRect(rect);
    textRect.setWidth(rect.width() - tw);
    QItemDelegate::drawDisplay(painter, option, textRect, text);

    if (tw) {
        static const int margin = 5;

        QRect statusRect = option.direction == Qt::RightToLeft
            ? QRect(0, rect.top(), tw + margin, rect.height())
            : QRect(rect.left()+rect.width()-tw-margin, rect.top(), tw, rect.height());
        if(m_showStatus)
            painter->drawText(statusRect, Qt::AlignCenter, _statusText);
    }
}

void FolderDelegate::drawDecoration(QPainter *painter, const QStyleOptionViewItem &option, const QRect &rect, const QVariant &decoration) const
{
    if (!rect.isValid())
        return;

    // If we have an icon, we ignore the pixmap
    if (decoration.type() == QVariant::Icon) {
        QIcon icon = qvariant_cast<QIcon>(decoration);

        QIcon::Mode mode(QIcon::Normal);
        if (!(option.state & QStyle::State_Enabled))
            mode = QIcon::Disabled;

        QIcon::State state(option.state & QStyle::State_Open ? QIcon::On : QIcon::Off);
        icon.paint(painter, rect, option.decorationAlignment, mode, state);
    }
}

QSize FolderDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
{
    // Ensure that we use the full width for our item
    QSize base(QItemDelegate::sizeHint(option,index));
    return QSize(qMax(base.width(), option.rect.width()), base.height());
}

bool FolderDelegate::showStatus() const
{
    return m_showStatus;
}

void FolderDelegate::setShowStatus(bool val)
{
    m_showStatus = val;
}

void FolderDelegate::init(const QStyleOptionViewItem &option, const QModelIndex &index)
{
    _statusText = index.data(FolderModel::FolderStatusRole).value<QString>();

    Q_UNUSED(option)
}