summaryrefslogtreecommitdiffstats
path: root/src/TrayIcon.cpp
blob: c62fecea887841a386fb32fa710d223b7992b6d3 (plain)
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
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
// SPDX-FileCopyrightText: Nheko Contributors
//
// SPDX-License-Identifier: GPL-3.0-or-later

#include <QAction>
#include <QApplication>
#include <QList>
#include <QMenu>
#include <QPainter>
#include <QTimer>
#include <QWindow>

#include "TrayIcon.h"

MsgCountComposedIcon::MsgCountComposedIcon(const QIcon &icon)
  : QIconEngine()
  , icon_{icon}
{
}

void
MsgCountComposedIcon::paint(QPainter *painter,
                            const QRect &rect,
                            QIcon::Mode mode,
                            QIcon::State state)
{
    painter->setRenderHint(QPainter::TextAntialiasing);
    painter->setRenderHint(QPainter::SmoothPixmapTransform);
    painter->setRenderHint(QPainter::Antialiasing);

    icon_.paint(painter, rect, Qt::AlignCenter, mode, state);

    if (msgCount <= 0)
        return;

    QColor backgroundColor("red");
    QColor textColor("white");

    QBrush brush;
    brush.setStyle(Qt::SolidPattern);
    brush.setColor(backgroundColor);

    QFont f;
    f.setPixelSize(int(BubbleDiameter * 0.6));
    f.setWeight(QFont::Bold);

    painter->setBrush(brush);
    painter->setPen(Qt::NoPen);
    painter->setFont(f);

    QRectF bubble(rect.width() - BubbleDiameter,
                  rect.height() - BubbleDiameter,
                  BubbleDiameter,
                  BubbleDiameter);
    painter->drawEllipse(bubble);
    painter->setPen(QPen(textColor));
    painter->setBrush(Qt::NoBrush);
    painter->drawText(bubble, Qt::AlignCenter, QString::number(msgCount));
}

QIconEngine *
MsgCountComposedIcon::clone() const
{
    return new MsgCountComposedIcon(*this);
}

QList<QSize>
MsgCountComposedIcon::availableSizes(QIcon::Mode mode, QIcon::State state)
{
    Q_UNUSED(mode);
    Q_UNUSED(state);
    QList<QSize> sizes;
    sizes.append(QSize(24, 24));
    sizes.append(QSize(32, 32));
    sizes.append(QSize(48, 48));
    sizes.append(QSize(64, 64));
    sizes.append(QSize(128, 128));
    sizes.append(QSize(256, 256));
    return sizes;
}

QPixmap
MsgCountComposedIcon::pixmap(const QSize &size, QIcon::Mode mode, QIcon::State state)
{
    QImage img(size, QImage::Format_ARGB32);
    img.fill(qRgba(0, 0, 0, 0));
    QPixmap result = QPixmap::fromImage(img, Qt::NoFormatConversion);
    {
        QPainter painter(&result);
        paint(&painter, QRect(QPoint(0, 0), size), mode, state);
    }
    return result;
}

TrayIcon::TrayIcon(const QString &filename, QWindow *parent)
  : QSystemTrayIcon(parent)
  , icon(filename)
{
#if defined(Q_OS_MACOS) || defined(Q_OS_WIN)
    setIcon(icon);
#else
    auto icon_ = new MsgCountComposedIcon(icon);
    setIcon(QIcon(icon_));
#endif

    QMenu *menu = new QMenu();
    setContextMenu(menu);

    viewAction_ = new QAction(tr("Show"), this);
    quitAction_ = new QAction(tr("Quit"), this);

    connect(viewAction_, &QAction::triggered, parent, &QWindow::show);
    connect(quitAction_, &QAction::triggered, this, QApplication::quit);

    menu->addAction(viewAction_);
    menu->addAction(quitAction_);
}

void
TrayIcon::setUnreadCount(int count)
{
    qGuiApp->setBadgeNumber(count);

#if !defined(Q_OS_MACOS) && !defined(Q_OS_WIN)
    if (count != previousCount) {
        auto i      = new MsgCountComposedIcon(icon);
        i->msgCount = count;
        setIcon(QIcon(i));
        previousCount = count;
    }
#endif
}

#include "moc_TrayIcon.cpp"