1 /* ============================================================
2 *
3 * This file is a part of digiKam project
4 * https://www.digikam.org
5 *
6 * Date : 2007-27-08
7 * Description : a tool bar action object to display animated logo
8 *
9 * Copyright (C) 2007-2021 by Gilles Caulier <caulier dot gilles at gmail dot com>
10 *
11 * This program is free software; you can redistribute it
12 * and/or modify it under the terms of the GNU General
13 * Public License as published by the Free Software Foundation;
14 * either version 2, or (at your option)
15 * any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * ============================================================ */
23
24 #include "dlogoaction.h"
25
26 // C++ includes
27
28 #include <cmath>
29
30 // Qt includes
31
32 #include <QPalette>
33 #include <QPixmap>
34 #include <QBoxLayout>
35 #include <QTimer>
36 #include <QPainter>
37 #include <QApplication>
38 #include <QStandardPaths>
39
40 // KDE includes
41
42 #include <klocalizedstring.h>
43
44 // Local includes
45
46 #include "daboutdata.h"
47 #include "dactivelabel.h"
48
49 namespace Digikam
50 {
51
52 class Q_DECL_HIDDEN DLogoAction::Private
53 {
54 public:
55
Private()56 explicit Private()
57 : alignOnright(true),
58 progressCount(0),
59 progressTimer(nullptr),
60 urlLabel(nullptr)
61 {
62 }
63
64 bool alignOnright;
65
66 int progressCount; ///< Position of animation.
67
68 QTimer* progressTimer;
69
70 QPixmap progressPixmap;
71
72 DActiveLabel* urlLabel;
73 };
74
DLogoAction(QObject * const parent,bool alignOnright)75 DLogoAction::DLogoAction(QObject* const parent, bool alignOnright)
76 : QWidgetAction(parent),
77 d(new Private)
78 {
79 setText(QLatin1String("digikam.org"));
80
81 if (QApplication::applicationName() == QLatin1String("digikam"))
82 {
83 setIcon(QIcon::fromTheme(QLatin1String("digikam")));
84 d->progressPixmap = QPixmap(QStandardPaths::locate(QStandardPaths::GenericDataLocation,
85 QLatin1String("digikam/data/banner-digikam.png")));
86 }
87 else
88 {
89 setIcon(QIcon::fromTheme(QLatin1String("showfoto")));
90 d->progressPixmap = QPixmap(QStandardPaths::locate(QStandardPaths::GenericDataLocation,
91 QLatin1String("showfoto/data/banner-showfoto.png")));
92 }
93
94 d->alignOnright = alignOnright;
95 d->progressTimer = new QTimer(this);
96 d->progressTimer->setSingleShot(true);
97
98 connect(d->progressTimer, SIGNAL(timeout()),
99 this, SLOT(slotProgressTimerDone()));
100 }
101
~DLogoAction()102 DLogoAction::~DLogoAction()
103 {
104 delete d;
105 }
106
start()107 void DLogoAction::start()
108 {
109 d->progressCount = 0;
110 d->progressTimer->start(100);
111 }
112
stop()113 void DLogoAction::stop()
114 {
115 d->progressCount = 0;
116 d->progressTimer->stop();
117
118 if (d->urlLabel)
119 {
120 d->urlLabel->updateData(DAboutData::webProjectUrl(),
121 d->progressPixmap.copy(0, 0, 144, 32).toImage());
122 }
123 }
124
running() const125 bool DLogoAction::running() const
126 {
127 return d->progressTimer->isActive();
128 }
129
slotProgressTimerDone()130 void DLogoAction::slotProgressTimerDone()
131 {
132 QPixmap anim(d->progressPixmap.copy(0, d->progressCount*32, 144, 32));
133 d->progressCount++;
134
135 if (d->progressCount == 36)
136 {
137 d->progressCount = 0;
138 }
139
140 if (d->urlLabel)
141 {
142 d->urlLabel->updateData(DAboutData::webProjectUrl(), anim.toImage());
143 }
144
145 d->progressTimer->start(100);
146 }
147
createWidget(QWidget * parent)148 QWidget* DLogoAction::createWidget(QWidget* parent)
149 {
150 QWidget* const container = new QWidget(parent);
151 QHBoxLayout* const layout = new QHBoxLayout(container);
152 d->urlLabel = new DActiveLabel(DAboutData::webProjectUrl(), QString(), container);
153 d->urlLabel->setToolTip(i18n("Visit digiKam project website"));
154 d->urlLabel->updateData(DAboutData::webProjectUrl(), d->progressPixmap.copy(0, 0, 144, 32).toImage());
155
156 layout->setContentsMargins(QMargins());
157 layout->setSpacing(0);
158
159 if (d->alignOnright)
160 {
161 layout->addStretch();
162 }
163
164 layout->addWidget(d->urlLabel);
165
166 return container;
167 }
168
deleteWidget(QWidget * widget)169 void DLogoAction::deleteWidget(QWidget* widget)
170 {
171 stop();
172 d->urlLabel = nullptr;
173 QWidgetAction::deleteWidget(widget);
174 }
175
176 } // namespace Digikam
177
