Differential D4735 Diff 14903 src/qt/macdockiconhandler.mm

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src/qt/macdockiconhandler.mm

	// Copyright (c) 2011-2018 The Bitcoin Core developers			// Copyright (c) 2011-2019 The Bitcoin Core developers
	// Distributed under the MIT software license, see the accompanying			// Distributed under the MIT software license, see the accompanying
	// file COPYING or http://www.opensource.org/licenses/mit-license.php.			// file COPYING or http://www.opensource.org/licenses/mit-license.php.

	#include "macdockiconhandler.h"			#include "macdockiconhandler.h"

	#undef slots			#include <AppKit/AppKit.h>
	#include <objc/message.h>			#include <objc/runtime.h>
	#include <objc/objc.h>

	static MacDockIconHandler *s_instance = nullptr;			static MacDockIconHandler *s_instance = nullptr;

	bool dockClickHandler(id self, SEL _cmd, ...) {			bool dockClickHandler(id self, SEL _cmd, ...) {
	Q_UNUSED(self)			Q_UNUSED(self)
	Q_UNUSED(_cmd)			Q_UNUSED(_cmd)

	Q_EMIT s_instance->dockIconClicked();			Q_EMIT s_instance->dockIconClicked();

	// Return NO (false) to suppress the default macOS actions			// Return NO (false) to suppress the default macOS actions
	return false;			return false;
	}			}

	void setupDockClickHandler() {			void setupDockClickHandler() {
	id app = objc_msgSend((id)objc_getClass("NSApplication"),			Class delClass =
	sel_registerName("sharedApplication"));			(Class)[[[NSApplication sharedApplication] delegate] class];
	id delegate = objc_msgSend(app, sel_registerName("delegate"));
	Class delClass = (Class)objc_msgSend(delegate, sel_registerName("class"));
	SEL shouldHandle =			SEL shouldHandle =
	sel_registerName("applicationShouldHandleReopen:hasVisibleWindows:");			sel_registerName("applicationShouldHandleReopen:hasVisibleWindows:");
	class_replaceMethod(delClass, shouldHandle, (IMP)dockClickHandler, "B@:");			class_replaceMethod(delClass, shouldHandle, (IMP)dockClickHandler, "B@:");
	}			}

	MacDockIconHandler::MacDockIconHandler() : QObject() {			MacDockIconHandler::MacDockIconHandler() : QObject() {
	setupDockClickHandler();			setupDockClickHandler();
	}			}

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

	void MacDockIconHandler::cleanup() {			void MacDockIconHandler::cleanup() {
	delete s_instance;			delete s_instance;
	}			}

				/**
				* Force application activation on macOS. With Qt 5.5.1 this is required when
				* an action in the Dock menu is triggered.
				* TODO: Define a Qt version where it's no-longer necessary.
				*/
				void ForceActivation() {
				[[NSApplication sharedApplication] activateIgnoringOtherApps:YES];
				}