1  // Copyright (c) 2011-present The Bitcoin Core developers
 2  // Distributed under the MIT software license, see the accompanying
 3  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 4  
 5  #include "macdockiconhandler.h"
 6  
 7  #include <AppKit/AppKit.h>
 8  #include <objc/runtime.h>
 9  
10  static MacDockIconHandler *s_instance = nullptr;
11  
12  bool dockClickHandler(id self, SEL _cmd, ...) {
13      Q_UNUSED(self)
14      Q_UNUSED(_cmd)
15  
16      Q_EMIT s_instance->dockIconClicked();
17  
18      // Return NO (false) to suppress the default macOS actions
19      return false;
20  }
21  
22  void setupDockClickHandler() {
23      Class delClass = (Class)[[[NSApplication sharedApplication] delegate] class];
24      SEL shouldHandle = sel_registerName("applicationShouldHandleReopen:hasVisibleWindows:");
25      class_replaceMethod(delClass, shouldHandle, (IMP)dockClickHandler, "B@:");
26  }
27  
28  MacDockIconHandler::MacDockIconHandler() : QObject()
29  {
30      setupDockClickHandler();
31  }
32  
33  MacDockIconHandler *MacDockIconHandler::instance()
34  {
35      if (!s_instance)
36          s_instance = new MacDockIconHandler();
37      return s_instance;
38  }
39  
40  void MacDockIconHandler::cleanup()
41  {
42      delete s_instance;
43  }
44  
45  /**
46   * Force application activation on macOS. With Qt 5.5.1 this is required when
47   * an action in the Dock menu is triggered.
48   * TODO: Define a Qt version where it's no-longer necessary.
49   */
50  void ForceActivation()
51  {
52      [[NSApplication sharedApplication] activateIgnoringOtherApps:YES];
53  }