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
|
/***************************************************************************
* Copyright (C) 2008 by Peter Penz <[email protected]> *
* *
* 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) any later version. *
* *
* 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, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
***************************************************************************/
#include "selectiontoggle.h"
#include <kicon.h>
#include <kiconloader.h>
#include <kiconeffect.h>
#include <QPainter>
#include <QPaintEvent>
#include <QRect>
#include <QTimer>
#include <kdebug.h>
SelectionToggle::SelectionToggle(QWidget* parent) :
QAbstractButton(parent),
m_showIcon(false),
m_isHovered(false),
m_icon(),
m_timer(0)
{
parent->installEventFilter(this);
resize(sizeHint());
m_icon = KIconLoader::global()->loadIcon("dialog-ok",
KIconLoader::NoGroup,
KIconLoader::SizeSmall);
m_timer = new QTimer(this);
connect(m_timer, SIGNAL(timeout()),
this, SLOT(showIcon()));
}
SelectionToggle::~SelectionToggle()
{
}
QSize SelectionToggle::sizeHint() const
{
return QSize(16, 16);
}
void SelectionToggle::setVisible(bool visible)
{
QAbstractButton::setVisible(visible);
if (visible) {
m_timer->start(1000);
} else {
m_timer->stop();
m_showIcon = false;
}
}
bool SelectionToggle::eventFilter(QObject* obj, QEvent* event)
{
if ((obj == parent()) && (event->type() == QEvent::Leave)) {
hide();
}
return QAbstractButton::eventFilter(obj, event);
}
void SelectionToggle::enterEvent(QEvent* event)
{
QAbstractButton::enterEvent(event);
m_isHovered = true;
m_showIcon = true;
update();
}
void SelectionToggle::leaveEvent(QEvent* event)
{
QAbstractButton::leaveEvent(event);
m_isHovered = false;
update();
}
void SelectionToggle::paintEvent(QPaintEvent* event)
{
QPainter painter(this);
painter.setClipRect(event->rect());
if (m_isHovered) {
KIconEffect iconEffect;
QPixmap activeIcon = iconEffect.apply(m_icon, KIconLoader::Desktop, KIconLoader::ActiveState);
painter.drawPixmap(0, 0, activeIcon);
} else if (m_showIcon) {
painter.drawPixmap(0, 0, m_icon);
}
}
void SelectionToggle::showIcon()
{
m_showIcon = true;
update();
}
#include "selectiontoggle.moc"
|