src/qt/macdockiconhandler.mm


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
135
136
137

// Copyright (c) 2011-2013 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#include "macdockiconhandler.h"

#include <QImageWriter>
#include <QMenu>
#include <QBuffer>
#include <QWidget>

#undef slots
#include <Cocoa/Cocoa.h>

#if QT_VERSION < 0x050000
extern void qt_mac_set_dock_menu(QMenu *);
#endif

@interface DockIconClickEventHandler : NSObject
{
    MacDockIconHandler* dockIconHandler;
}

@end

@implementation DockIconClickEventHandler

- (id)initWithDockIconHandler:(MacDockIconHandler *)aDockIconHandler
{
    self = [super init];
    if (self) {
        dockIconHandler = aDockIconHandler;

        [[NSAppleEventManager sharedAppleEventManager]
            setEventHandler:self
                andSelector:@selector(handleDockClickEvent:withReplyEvent:)
              forEventClass:kCoreEventClass
                 andEventID:kAEReopenApplication];
    }
    return self;
}

- (void)handleDockClickEvent:(NSAppleEventDescriptor*)event withReplyEvent:(NSAppleEventDescriptor*)replyEvent
{
    Q_UNUSED(event)
    Q_UNUSED(replyEvent)

    if (dockIconHandler) {
        dockIconHandler->handleDockIconClickEvent();
    }
}

@end

MacDockIconHandler::MacDockIconHandler() : QObject()
{
    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];

    this->m_dockIconClickEventHandler = [[DockIconClickEventHandler alloc] initWithDockIconHandler:this];
    this->m_dummyWidget = new QWidget();
    this->m_dockMenu = new QMenu(this->m_dummyWidget);
    this->setMainWindow(NULL);
#if QT_VERSION < 0x050000
    qt_mac_set_dock_menu(this->m_dockMenu);
#elif QT_VERSION >= 0x050200
    this->m_dockMenu->setAsDockMenu();
#endif
    [pool release];
}

void MacDockIconHandler::setMainWindow(QMainWindow *window) {
    this->mainWindow = window;
}

MacDockIconHandler::~MacDockIconHandler()
{
    [this->m_dockIconClickEventHandler release];
    delete this->m_dummyWidget;
    this->setMainWindow(NULL);
}

QMenu *MacDockIconHandler::dockMenu()
{
    return this->m_dockMenu;
}

void MacDockIconHandler::setIcon(const QIcon &icon)
{
    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
    NSImage *image = nil;
    if (icon.isNull())
        image = [[NSImage imageNamed:@"NSApplicationIcon"] retain];
    else {
        // generate NSImage from QIcon and use this as dock icon.
        QSize size = icon.actualSize(QSize(128, 128));
        QPixmap pixmap = icon.pixmap(size);

        // Write image into a R/W buffer from raw pixmap, then save the image.
        QBuffer notificationBuffer;
        if (!pixmap.isNull() && notificationBuffer.open(QIODevice::ReadWrite)) {
            QImageWriter writer(&notificationBuffer, "PNG");
            if (writer.write(pixmap.toImage())) {
                NSData* macImgData = [NSData dataWithBytes:notificationBuffer.buffer().data()
                                             length:notificationBuffer.buffer().size()];
                image =  [[NSImage alloc] initWithData:macImgData];
            }
        }

        if(!image) {
            // if testnet image could not be created, load std. app icon
            image = [[NSImage imageNamed:@"NSApplicationIcon"] retain];
        }
    }

    [NSApp setApplicationIconImage:image];
    [image release];
    [pool release];
}

MacDockIconHandler *MacDockIconHandler::instance()
{
    static MacDockIconHandler *s_instance = NULL;
    if (!s_instance)
        s_instance = new MacDockIconHandler();
    return s_instance;
}

void MacDockIconHandler::handleDockIconClickEvent()
{
    if (this->mainWindow)
    {
        this->mainWindow->activateWindow();
        this->mainWindow->show();
    }

    emit this->dockIconClicked();
}