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
|
/* ============================================================
*
* This file is a part of the rekonq project
*
* Copyright (C) 2011 Tröscher Johannes <fritz_van_tom@hotmail.com>
*
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License or (at your option) version 3 or any later version
* accepted by the membership of KDE e.V. (or its successor approved
* by the membership of KDE e.V.), which shall act as a proxy
* defined in Section 14 of version 3 of the license.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* ============================================================ */
// Self Includes
#include "tabhighlighteffect.h"
#include "tabhighlighteffect.moc"
// Local Includes
#include "tabbar.h"
// Qt Includes
#include <QEvent>
#include <QPainter>
#include <QVariant>
const QByteArray prep("hAnim");
// ---------------------------------------------------------------------------
TabHighlightEffect::TabHighlightEffect(TabBar *tabBar)
: QGraphicsEffect(tabBar)
, m_tabBar(tabBar)
, m_highlightColor(tabBar->palette().highlight().color().lighter())
{
Q_ASSERT(m_tabBar);
}
void TabHighlightEffect::draw(QPainter *painter)
{
const QPixmap &pixmap = sourcePixmap();
if (pixmap.isNull())
return;
painter->drawPixmap(QPoint(0, 0), pixmap);
Q_FOREACH(const QByteArray & propertyName, dynamicPropertyNames())
{
if (!propertyName.startsWith(prep))
continue;
int index = propertyName.right(propertyName.size() - prep.size()).toInt();
qreal opacity = property(propertyName).toReal();
QRect textRect = m_tabBar->tabTextRect(index);
if (!boundingRect().contains(textRect))
continue;
QString tabText = m_tabBar->fontMetrics().elidedText(m_tabBar->tabText(index), Qt::ElideRight,
textRect.width(), Qt::TextShowMnemonic);
painter->setOpacity(opacity);
painter->setPen(m_highlightColor);
painter->drawText(textRect, Qt::AlignCenter | Qt::TextShowMnemonic, tabText);
}
}
bool TabHighlightEffect::event(QEvent* event)
{
if (event->type() == QEvent::DynamicPropertyChange)
{
QDynamicPropertyChangeEvent *pChangeEv = dynamic_cast<QDynamicPropertyChangeEvent*>(event);
if (pChangeEv && pChangeEv->propertyName().startsWith(prep))
{
update();
return true;
}
}
return QGraphicsEffect::event(event);
}
|
