1/*
2 SPDX-FileCopyrightText: 2006-2010 Peter Penz <peter.penz@gmx.at>
3 SPDX-FileCopyrightText: 2006 Aaron J. Seigo <aseigo@kde.org>
4
5 SPDX-License-Identifier: LGPL-2.0-or-later
6*/
7
8#include "kurlnavigatorbuttonbase_p.h"
9
10#include <KLocalizedString>
11#include <KUrlNavigator>
12
13#include <QStyle>
14#include <QStyleOptionViewItem>
15
16namespace KDEPrivate
17{
18KUrlNavigatorButtonBase::KUrlNavigatorButtonBase(KUrlNavigator *parent)
19 : QPushButton(parent)
20 , m_active(true)
21 , m_displayHint(0)
22{
23 setFocusPolicy(Qt::TabFocus);
24 setSizePolicy(hor: QSizePolicy::Maximum, ver: QSizePolicy::Fixed);
25 setMinimumHeight(parent->minimumHeight());
26 setAttribute(Qt::WA_LayoutUsesWidgetRect);
27
28 connect(sender: this, signal: &KUrlNavigatorButtonBase::pressed, context: parent, slot: &KUrlNavigator::requestActivation);
29}
30
31KUrlNavigatorButtonBase::~KUrlNavigatorButtonBase()
32{
33}
34
35void KUrlNavigatorButtonBase::setActive(bool active)
36{
37 if (m_active != active) {
38 m_active = active;
39 update();
40 }
41}
42
43bool KUrlNavigatorButtonBase::isActive() const
44{
45 return m_active;
46}
47
48void KUrlNavigatorButtonBase::setDisplayHintEnabled(DisplayHint hint, bool enable)
49{
50 if (enable) {
51 m_displayHint = m_displayHint | hint;
52 } else {
53 m_displayHint = m_displayHint & ~hint;
54 }
55 update();
56}
57
58bool KUrlNavigatorButtonBase::isDisplayHintEnabled(DisplayHint hint) const
59{
60 return (m_displayHint & hint) > 0;
61}
62
63void KUrlNavigatorButtonBase::focusInEvent(QFocusEvent *event)
64{
65 setDisplayHintEnabled(hint: EnteredHint, enable: true);
66 QPushButton::focusInEvent(event);
67}
68
69void KUrlNavigatorButtonBase::focusOutEvent(QFocusEvent *event)
70{
71 setDisplayHintEnabled(hint: EnteredHint, enable: false);
72 QPushButton::focusOutEvent(event);
73}
74
75void KUrlNavigatorButtonBase::enterEvent(QEnterEvent *event)
76{
77 QPushButton::enterEvent(event);
78 setDisplayHintEnabled(hint: EnteredHint, enable: true);
79 update();
80}
81
82void KUrlNavigatorButtonBase::leaveEvent(QEvent *event)
83{
84 QPushButton::leaveEvent(event);
85 setDisplayHintEnabled(hint: EnteredHint, enable: false);
86 update();
87}
88
89void KUrlNavigatorButtonBase::drawHoverBackground(QPainter *painter)
90{
91 const bool isHighlighted = isDisplayHintEnabled(hint: EnteredHint) || isDisplayHintEnabled(hint: DraggedHint) || isDisplayHintEnabled(hint: PopupActiveHint);
92
93 QColor backgroundColor = isHighlighted ? palette().color(cr: QPalette::Highlight) : Qt::transparent;
94 if (!m_active && isHighlighted) {
95 backgroundColor.setAlpha(128);
96 }
97
98 if (backgroundColor != Qt::transparent) {
99 // TODO: the backgroundColor should be applied to the style
100 QStyleOptionViewItem option;
101 option.initFrom(w: this);
102 option.state = QStyle::State_Enabled | QStyle::State_MouseOver;
103 option.viewItemPosition = QStyleOptionViewItem::OnlyOne;
104 style()->drawPrimitive(pe: QStyle::PE_PanelItemViewItem, opt: &option, p: painter, w: this);
105 }
106}
107
108QColor KUrlNavigatorButtonBase::foregroundColor() const
109{
110 const bool isHighlighted = isDisplayHintEnabled(hint: EnteredHint) || isDisplayHintEnabled(hint: DraggedHint) || isDisplayHintEnabled(hint: PopupActiveHint);
111
112 QColor foregroundColor = palette().color(cr: foregroundRole());
113
114 int alpha = m_active ? 255 : 128;
115 if (!m_active && !isHighlighted) {
116 alpha -= alpha / 4;
117 }
118 foregroundColor.setAlpha(alpha);
119
120 return foregroundColor;
121}
122
123void KUrlNavigatorButtonBase::activate()
124{
125 setActive(true);
126}
127
128} // namespace KDEPrivate
129
130#include "moc_kurlnavigatorbuttonbase_p.cpp"
131

source code of kio/src/filewidgets/kurlnavigatorbuttonbase.cpp