Differential D2817 Diff 8103 src/qt/splashscreen.cpp

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src/qt/splashscreen.cpp

	// Copyright (c) 2011-2016 The Bitcoin Core developers			// Copyright (c) 2011-2016 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.

	#if defined(HAVE_CONFIG_H)			#if defined(HAVE_CONFIG_H)
	#include "config/bitcoin-config.h"			#include "config/bitcoin-config.h"
	#endif			#endif

	#include "splashscreen.h"			#include "splashscreen.h"

	#include "networkstyle.h"			#include "networkstyle.h"

	#include "clientversion.h"			#include "clientversion.h"
	#include "init.h"			#include "init.h"
				#include "interface/handler.h"
				#include "interface/node.h"
				#include "interface/wallet.h"
	#include "ui_interface.h"			#include "ui_interface.h"
	#include "util.h"			#include "util.h"
	#include "version.h"			#include "version.h"

	#ifdef ENABLE_WALLET			#ifdef ENABLE_WALLET
	#include "wallet/wallet.h"			#include "wallet/wallet.h"
	#endif			#endif

	#include <QApplication>			#include <QApplication>
	#include <QCloseEvent>			#include <QCloseEvent>
	#include <QDesktopWidget>			#include <QDesktopWidget>
	#include <QPainter>			#include <QPainter>
	#include <QRadialGradient>			#include <QRadialGradient>

	SplashScreen::SplashScreen(Qt::WindowFlags f, const NetworkStyle *networkStyle)			SplashScreen::SplashScreen(interface::Node &node, Qt::WindowFlags f,
	: QWidget(0, f), curAlignment(0) {			const NetworkStyle *networkStyle)
				: QWidget(0, f), curAlignment(0), m_node(node) {
	// set reference point, paddings			// set reference point, paddings
	int paddingRight = 50;			int paddingRight = 50;
	int paddingTop = 50;			int paddingTop = 50;
	int titleVersionVSpace = 17;			int titleVersionVSpace = 17;
	int titleCopyrightVSpace = 40;			int titleCopyrightVSpace = 40;

	float fontFactor = 1.0;			float fontFactor = 1.0;
	float devicePixelRatio = 1.0;			float devicePixelRatio = 1.0;
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	SplashScreen::~SplashScreen() {			SplashScreen::~SplashScreen() {
	unsubscribeFromCoreSignals();			unsubscribeFromCoreSignals();
	}			}

	bool SplashScreen::eventFilter(QObject obj, QEvent ev) {			bool SplashScreen::eventFilter(QObject obj, QEvent ev) {
	if (ev->type() == QEvent::KeyPress) {			if (ev->type() == QEvent::KeyPress) {
	QKeyEvent keyEvent = static_cast<QKeyEvent >(ev);			QKeyEvent keyEvent = static_cast<QKeyEvent >(ev);
	if (keyEvent->text()[0] == 'q') {			if (keyEvent->text()[0] == 'q') {
	StartShutdown();			m_node.startShutdown();
	}			}
	}			}
	return QObject::eventFilter(obj, ev);			return QObject::eventFilter(obj, ev);
	}			}

	void SplashScreen::slotFinish(QWidget *mainWin) {			void SplashScreen::slotFinish(QWidget *mainWin) {
	Q_UNUSED(mainWin);			Q_UNUSED(mainWin);

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	static void ShowProgress(SplashScreen *splash, const std::string &title,			static void ShowProgress(SplashScreen *splash, const std::string &title,
	int nProgress, bool resume_possible) {			int nProgress, bool resume_possible) {
	InitMessage(splash, title + std::string("\n") +			InitMessage(splash, title + std::string("\n") +
	(resume_possible			(resume_possible
	? _("(press q to shutdown and continue later)")			? _("(press q to shutdown and continue later)")
	: _("press q to shutdown")) +			: _("press q to shutdown")) +
	strprintf("\n%d", nProgress) + "%");			strprintf("\n%d", nProgress) + "%");
	}			}

	#ifdef ENABLE_WALLET			#ifdef ENABLE_WALLET
	void SplashScreen::ConnectWallet(CWallet *wallet) {			void SplashScreen::ConnectWallet(std::unique_ptr<interface::Wallet> wallet) {
	wallet->ShowProgress.connect(			m_connected_wallet_handlers.emplace_back(wallet->handleShowProgress(
	boost::bind(ShowProgress, this, _1, _2, false));			boost::bind(ShowProgress, this, _1, _2, false)));
	connectedWallets.push_back(wallet);			m_connected_wallets.emplace_back(std::move(wallet));
	}			}
	#endif			#endif

	void SplashScreen::subscribeToCoreSignals() {			void SplashScreen::subscribeToCoreSignals() {
	// Connect signals to client			// Connect signals to client
	uiInterface.InitMessage.connect(boost::bind(InitMessage, this, _1));			m_handler_init_message =
	uiInterface.ShowProgress.connect(			m_node.handleInitMessage(boost::bind(InitMessage, this, _1));
	boost::bind(ShowProgress, this, _1, _2, _3));			m_handler_show_progress =
				m_node.handleShowProgress(boost::bind(ShowProgress, this, _1, _2, _3));
	#ifdef ENABLE_WALLET			#ifdef ENABLE_WALLET
	uiInterface.LoadWallet.connect(			m_handler_load_wallet = m_node.handleLoadWallet(
	boost::bind(&SplashScreen::ConnectWallet, this, _1));			[this](std::unique_ptr<interface::Wallet> wallet) {
				ConnectWallet(std::move(wallet));
				});
	#endif			#endif
	}			}

	void SplashScreen::unsubscribeFromCoreSignals() {			void SplashScreen::unsubscribeFromCoreSignals() {
	// Disconnect signals from client			// Disconnect signals from client
	uiInterface.InitMessage.disconnect(boost::bind(InitMessage, this, _1));			m_handler_init_message->disconnect();
	uiInterface.ShowProgress.disconnect(			m_handler_show_progress->disconnect();
	boost::bind(ShowProgress, this, _1, _2, _3));			for (auto &handler : m_connected_wallet_handlers) {
	#ifdef ENABLE_WALLET			handler->disconnect();
	for (CWallet *const &pwallet : connectedWallets) {
	pwallet->ShowProgress.disconnect(
	boost::bind(ShowProgress, this, _1, _2, false));
	}			}
	#endif			m_connected_wallet_handlers.clear();
				m_connected_wallets.clear();
	}			}

	void SplashScreen::showMessage(const QString &message, int alignment,			void SplashScreen::showMessage(const QString &message, int alignment,
	const QColor &color) {			const QColor &color) {
	curMessage = message;			curMessage = message;
	curAlignment = alignment;			curAlignment = alignment;
	curColor = color;			curColor = color;
	update();			update();
	}			}

	void SplashScreen::paintEvent(QPaintEvent *event) {			void SplashScreen::paintEvent(QPaintEvent *event) {
	QPainter painter(this);			QPainter painter(this);
	painter.drawPixmap(0, 0, pixmap);			painter.drawPixmap(0, 0, pixmap);
	QRect r = rect().adjusted(5, 5, -5, -5);			QRect r = rect().adjusted(5, 5, -5, -5);
	painter.setPen(curColor);			painter.setPen(curColor);
	painter.drawText(r, curAlignment, curMessage);			painter.drawText(r, curAlignment, curMessage);
	}			}

	void SplashScreen::closeEvent(QCloseEvent *event) {			void SplashScreen::closeEvent(QCloseEvent *event) {
	// allows an "emergency" shutdown during startup			// allows an "emergency" shutdown during startup
	StartShutdown();			m_node.startShutdown();
	event->ignore();			event->ignore();
	}			}