1 | // Copyright (C) 2009 Marco Martin <notmart@gmail.com> |
2 | // Copyright (C) 2016 The Qt Company Ltd. |
3 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
4 | |
5 | #ifndef QT_NO_SYSTEMTRAYICON |
6 | |
7 | #include "qdbustraytypes_p.h" |
8 | |
9 | #include <QDBusConnection> |
10 | #include <QDBusMetaType> |
11 | #include <QImage> |
12 | #include <QIcon> |
13 | #include <QIconEngine> |
14 | #include <QImage> |
15 | #include <QPixmap> |
16 | #include <QDebug> |
17 | #include <QtEndian> |
18 | #include <QPainter> |
19 | #include <QGuiApplication> |
20 | #include <qpa/qplatformmenu.h> |
21 | #include <private/qdbusplatformmenu_p.h> |
22 | #include <private/qicon_p.h> |
23 | |
24 | QT_BEGIN_NAMESPACE |
25 | |
26 | QT_IMPL_METATYPE_EXTERN(QXdgDBusImageStruct) |
27 | QT_IMPL_METATYPE_EXTERN(QXdgDBusImageVector) |
28 | QT_IMPL_METATYPE_EXTERN(QXdgDBusToolTipStruct) |
29 | |
30 | static const int IconSizeLimit = 64; |
31 | static const int IconNormalSmallSize = 22; |
32 | static const int IconNormalMediumSize = 64; |
33 | |
34 | QXdgDBusImageVector iconToQXdgDBusImageVector(const QIcon &icon) |
35 | { |
36 | QXdgDBusImageVector ret; |
37 | if (icon.isNull()) |
38 | return ret; |
39 | QIconEngine *engine = const_cast<QIcon &>(icon).data_ptr()->engine; |
40 | QList<QSize> sizes = engine->availableSizes(mode: QIcon::Normal, state: QIcon::Off); |
41 | |
42 | // Omit any size larger than 64 px, to save D-Bus bandwidth; |
43 | // ensure that 22px or smaller exists, because it's a common size; |
44 | // and ensure that something between 22px and 64px exists, for better scaling to other sizes. |
45 | bool hasSmallIcon = false; |
46 | bool hasMediumIcon = false; |
47 | QList<QSize> toRemove; |
48 | for (const QSize &size : std::as_const(t&: sizes)) { |
49 | int maxSize = qMax(a: size.width(), b: size.height()); |
50 | if (maxSize <= IconNormalSmallSize) |
51 | hasSmallIcon = true; |
52 | else if (maxSize <= IconNormalMediumSize) |
53 | hasMediumIcon = true; |
54 | else if (maxSize > IconSizeLimit) |
55 | toRemove << size; |
56 | } |
57 | for (const QSize &size : std::as_const(t&: toRemove)) |
58 | sizes.removeOne(t: size); |
59 | if (!hasSmallIcon) |
60 | sizes.append(t: QSize(IconNormalSmallSize, IconNormalSmallSize)); |
61 | if (!hasMediumIcon) |
62 | sizes.append(t: QSize(IconNormalMediumSize, IconNormalMediumSize)); |
63 | |
64 | ret.reserve(asize: sizes.size()); |
65 | for (const QSize &size : std::as_const(t&: sizes)) { |
66 | // Protocol specifies ARGB32 format in network byte order |
67 | QImage im = engine->pixmap(size, mode: QIcon::Normal, state: QIcon::Off).toImage().convertToFormat(f: QImage::Format_ARGB32); |
68 | // letterbox if necessary to make it square |
69 | if (im.height() != im.width()) { |
70 | int maxSize = qMax(a: im.width(), b: im.height()); |
71 | QImage padded(maxSize, maxSize, QImage::Format_ARGB32); |
72 | padded.fill(color: Qt::transparent); |
73 | QPainter painter(&padded); |
74 | painter.drawImage(x: (maxSize - im.width()) / 2, y: (maxSize - im.height()) / 2, image: im); |
75 | im = padded; |
76 | } |
77 | // copy and endian-convert |
78 | QXdgDBusImageStruct kim(im.width(), im.height()); |
79 | qToBigEndian<quint32>(source: im.constBits(), count: im.width() * im.height(), dest: kim.data.data()); |
80 | |
81 | ret << kim; |
82 | } |
83 | return ret; |
84 | } |
85 | |
86 | // Marshall the ImageStruct data into a D-Bus argument |
87 | const QDBusArgument &operator<<(QDBusArgument &argument, const QXdgDBusImageStruct &icon) |
88 | { |
89 | argument.beginStructure(); |
90 | argument << icon.width; |
91 | argument << icon.height; |
92 | argument << icon.data; |
93 | argument.endStructure(); |
94 | return argument; |
95 | } |
96 | |
97 | // Retrieve the ImageStruct data from the D-Bus argument |
98 | const QDBusArgument &operator>>(const QDBusArgument &argument, QXdgDBusImageStruct &icon) |
99 | { |
100 | qint32 width; |
101 | qint32 height; |
102 | QByteArray data; |
103 | |
104 | argument.beginStructure(); |
105 | argument >> width; |
106 | argument >> height; |
107 | argument >> data; |
108 | argument.endStructure(); |
109 | |
110 | icon.width = width; |
111 | icon.height = height; |
112 | icon.data = data; |
113 | |
114 | return argument; |
115 | } |
116 | |
117 | // Marshall the ImageVector data into a D-Bus argument |
118 | const QDBusArgument &operator<<(QDBusArgument &argument, const QXdgDBusImageVector &iconVector) |
119 | { |
120 | argument.beginArray(elementMetaTypeId: qMetaTypeId<QXdgDBusImageStruct>()); |
121 | for (int i = 0; i < iconVector.size(); ++i) { |
122 | argument << iconVector[i]; |
123 | } |
124 | argument.endArray(); |
125 | return argument; |
126 | } |
127 | |
128 | // Retrieve the ImageVector data from the D-Bus argument |
129 | const QDBusArgument &operator>>(const QDBusArgument &argument, QXdgDBusImageVector &iconVector) |
130 | { |
131 | argument.beginArray(); |
132 | iconVector.clear(); |
133 | |
134 | while (!argument.atEnd()) { |
135 | QXdgDBusImageStruct element; |
136 | argument >> element; |
137 | iconVector.append(t: element); |
138 | } |
139 | |
140 | argument.endArray(); |
141 | |
142 | return argument; |
143 | } |
144 | |
145 | // Marshall the ToolTipStruct data into a D-Bus argument |
146 | const QDBusArgument &operator<<(QDBusArgument &argument, const QXdgDBusToolTipStruct &toolTip) |
147 | { |
148 | argument.beginStructure(); |
149 | argument << toolTip.icon; |
150 | argument << toolTip.image; |
151 | argument << toolTip.title; |
152 | argument << toolTip.subTitle; |
153 | argument.endStructure(); |
154 | return argument; |
155 | } |
156 | |
157 | // Retrieve the ToolTipStruct data from the D-Bus argument |
158 | const QDBusArgument &operator>>(const QDBusArgument &argument, QXdgDBusToolTipStruct &toolTip) |
159 | { |
160 | QString icon; |
161 | QXdgDBusImageVector image; |
162 | QString title; |
163 | QString subTitle; |
164 | |
165 | argument.beginStructure(); |
166 | argument >> icon; |
167 | argument >> image; |
168 | argument >> title; |
169 | argument >> subTitle; |
170 | argument.endStructure(); |
171 | |
172 | toolTip.icon = icon; |
173 | toolTip.image = image; |
174 | toolTip.title = title; |
175 | toolTip.subTitle = subTitle; |
176 | |
177 | return argument; |
178 | } |
179 | |
180 | QT_END_NAMESPACE |
181 | #endif // QT_NO_SYSTEMTRAYICON |
182 | |