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litecoin/src/qt/guiutil.cpp

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// Copyright (c) 2011-2018 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 <qt/guiutil.h>
#include <qt/bitcoinaddressvalidator.h>
#include <qt/bitcoinunits.h>
#include <qt/qvalidatedlineedit.h>
#include <qt/walletmodel.h>
#include <base58.h>
#include <chainparams.h>
#include <primitives/transaction.h>
#include <key_io.h>
#include <interfaces/node.h>
#include <policy/policy.h>
#include <protocol.h>
#include <script/script.h>
#include <script/standard.h>
#include <util/system.h>
#ifdef WIN32
#ifdef _WIN32_IE
#undef _WIN32_IE
#endif
#define _WIN32_IE 0x0501
#define WIN32_LEAN_AND_MEAN 1
#ifndef NOMINMAX
#define NOMINMAX
#endif
#include <shellapi.h>
#include <shlobj.h>
#include <shlwapi.h>
#endif
#include <QAbstractItemView>
#include <QApplication>
#include <QClipboard>
#include <QDateTime>
#include <QDesktopServices>
#include <QDesktopWidget>
#include <QDoubleValidator>
#include <QFileDialog>
#include <QFont>
#include <QFontDatabase>
#include <QFontMetrics>
#include <QKeyEvent>
#include <QLineEdit>
#include <QMouseEvent>
#include <QProgressDialog>
#include <QSettings>
#include <QTextDocument> // for Qt::mightBeRichText
#include <QThread>
#include <QUrlQuery>
#if defined(Q_OS_MAC)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#include <objc/objc-runtime.h>
#include <CoreServices/CoreServices.h>
#include <QProcess>
#endif
namespace GUIUtil {
QString dateTimeStr(const QDateTime &date)
{
return date.date().toString(Qt::SystemLocaleShortDate) + QString(" ") + date.toString("hh:mm");
}
QString dateTimeStr(qint64 nTime)
{
return dateTimeStr(QDateTime::fromTime_t((qint32)nTime));
}
QFont fixedPitchFont()
{
return QFontDatabase::systemFont(QFontDatabase::FixedFont);
}
// Just some dummy data to generate a convincing random-looking (but consistent) address
static const uint8_t dummydata[] = {0xeb,0x15,0x23,0x1d,0xfc,0xeb,0x60,0x92,0x58,0x86,0xb6,0x7d,0x06,0x52,0x99,0x92,0x59,0x15,0xae,0xb1,0x72,0xc0,0x66,0x47};
// Generate a dummy address with invalid CRC, starting with the network prefix.
static std::string DummyAddress(const CChainParams &params)
{
std::vector<unsigned char> sourcedata = params.Base58Prefix(CChainParams::PUBKEY_ADDRESS);
sourcedata.insert(sourcedata.end(), dummydata, dummydata + sizeof(dummydata));
for(int i=0; i<256; ++i) { // Try every trailing byte
std::string s = EncodeBase58(sourcedata.data(), sourcedata.data() + sourcedata.size());
if (!IsValidDestinationString(s)) {
return s;
}
sourcedata[sourcedata.size()-1] += 1;
}
return "";
}
void setupAddressWidget(QValidatedLineEdit *widget, QWidget *parent)
{
parent->setFocusProxy(widget);
widget->setFont(fixedPitchFont());
// We don't want translators to use own addresses in translations
// and this is the only place, where this address is supplied.
widget->setPlaceholderText(QObject::tr("Enter a Litecoin address (e.g. %1)").arg(
QString::fromStdString(DummyAddress(Params()))));
widget->setValidator(new BitcoinAddressEntryValidator(parent));
widget->setCheckValidator(new BitcoinAddressCheckValidator(parent));
}
bool parseBitcoinURI(const QUrl &uri, SendCoinsRecipient *out)
{
// return if URI is not valid or is no bitcoin: URI
if(!uri.isValid() || uri.scheme() != QString("litecoin"))
return false;
SendCoinsRecipient rv;
rv.address = uri.path();
// Trim any following forward slash which may have been added by the OS
if (rv.address.endsWith("/")) {
rv.address.truncate(rv.address.length() - 1);
}
rv.amount = 0;
QUrlQuery uriQuery(uri);
QList<QPair<QString, QString> > items = uriQuery.queryItems();
for (QList<QPair<QString, QString> >::iterator i = items.begin(); i != items.end(); i++)
{
bool fShouldReturnFalse = false;
if (i->first.startsWith("req-"))
{
i->first.remove(0, 4);
fShouldReturnFalse = true;
}
if (i->first == "label")
{
rv.label = i->second;
fShouldReturnFalse = false;
}
if (i->first == "message")
{
rv.message = i->second;
fShouldReturnFalse = false;
}
else if (i->first == "amount")
{
if(!i->second.isEmpty())
{
if(!BitcoinUnits::parse(BitcoinUnits::BTC, i->second, &rv.amount))
{
return false;
}
}
fShouldReturnFalse = false;
}
if (fShouldReturnFalse)
return false;
}
if(out)
{
*out = rv;
}
return true;
}
bool parseBitcoinURI(QString uri, SendCoinsRecipient *out)
{
QUrl uriInstance(uri);
return parseBitcoinURI(uriInstance, out);
}
QString formatBitcoinURI(const SendCoinsRecipient &info)
{
QString ret = QString("litecoin:%1").arg(info.address);
int paramCount = 0;
if (info.amount)
{
ret += QString("?amount=%1").arg(BitcoinUnits::format(BitcoinUnits::BTC, info.amount, false, BitcoinUnits::separatorNever));
paramCount++;
}
if (!info.label.isEmpty())
{
QString lbl(QUrl::toPercentEncoding(info.label));
ret += QString("%1label=%2").arg(paramCount == 0 ? "?" : "&").arg(lbl);
paramCount++;
}
if (!info.message.isEmpty())
{
QString msg(QUrl::toPercentEncoding(info.message));
ret += QString("%1message=%2").arg(paramCount == 0 ? "?" : "&").arg(msg);
paramCount++;
}
return ret;
}
bool isDust(interfaces::Node& node, const QString& address, const CAmount& amount)
{
CTxDestination dest = DecodeDestination(address.toStdString());
CScript script = GetScriptForDestination(dest);
CTxOut txOut(amount, script);
return IsDust(txOut, node.getDustRelayFee());
}
QString HtmlEscape(const QString& str, bool fMultiLine)
{
QString escaped = str.toHtmlEscaped();
if(fMultiLine)
{
escaped = escaped.replace("\n", "<br>\n");
}
return escaped;
}
QString HtmlEscape(const std::string& str, bool fMultiLine)
{
return HtmlEscape(QString::fromStdString(str), fMultiLine);
}
void copyEntryData(QAbstractItemView *view, int column, int role)
{
if(!view || !view->selectionModel())
return;
QModelIndexList selection = view->selectionModel()->selectedRows(column);
if(!selection.isEmpty())
{
// Copy first item
setClipboard(selection.at(0).data(role).toString());
}
}
QList<QModelIndex> getEntryData(QAbstractItemView *view, int column)
{
if(!view || !view->selectionModel())
return QList<QModelIndex>();
return view->selectionModel()->selectedRows(column);
}
QString getSaveFileName(QWidget *parent, const QString &caption, const QString &dir,
const QString &filter,
QString *selectedSuffixOut)
{
QString selectedFilter;
QString myDir;
if(dir.isEmpty()) // Default to user documents location
{
myDir = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
}
else
{
myDir = dir;
}
/* Directly convert path to native OS path separators */
QString result = QDir::toNativeSeparators(QFileDialog::getSaveFileName(parent, caption, myDir, filter, &selectedFilter));
/* Extract first suffix from filter pattern "Description (*.foo)" or "Description (*.foo *.bar ...) */
QRegExp filter_re(".* \\(\\*\\.(.*)[ \\)]");
QString selectedSuffix;
if(filter_re.exactMatch(selectedFilter))
{
selectedSuffix = filter_re.cap(1);
}
/* Add suffix if needed */
QFileInfo info(result);
if(!result.isEmpty())
{
if(info.suffix().isEmpty() && !selectedSuffix.isEmpty())
{
/* No suffix specified, add selected suffix */
if(!result.endsWith("."))
result.append(".");
result.append(selectedSuffix);
}
}
/* Return selected suffix if asked to */
if(selectedSuffixOut)
{
*selectedSuffixOut = selectedSuffix;
}
return result;
}
QString getOpenFileName(QWidget *parent, const QString &caption, const QString &dir,
const QString &filter,
QString *selectedSuffixOut)
{
QString selectedFilter;
QString myDir;
if(dir.isEmpty()) // Default to user documents location
{
myDir = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
}
else
{
myDir = dir;
}
/* Directly convert path to native OS path separators */
QString result = QDir::toNativeSeparators(QFileDialog::getOpenFileName(parent, caption, myDir, filter, &selectedFilter));
if(selectedSuffixOut)
{
/* Extract first suffix from filter pattern "Description (*.foo)" or "Description (*.foo *.bar ...) */
QRegExp filter_re(".* \\(\\*\\.(.*)[ \\)]");
QString selectedSuffix;
if(filter_re.exactMatch(selectedFilter))
{
selectedSuffix = filter_re.cap(1);
}
*selectedSuffixOut = selectedSuffix;
}
return result;
}
Qt::ConnectionType blockingGUIThreadConnection()
{
if(QThread::currentThread() != qApp->thread())
{
return Qt::BlockingQueuedConnection;
}
else
{
return Qt::DirectConnection;
}
}
bool checkPoint(const QPoint &p, const QWidget *w)
{
QWidget *atW = QApplication::widgetAt(w->mapToGlobal(p));
if (!atW) return false;
return atW->window() == w;
}
bool isObscured(QWidget *w)
{
return !(checkPoint(QPoint(0, 0), w)
&& checkPoint(QPoint(w->width() - 1, 0), w)
&& checkPoint(QPoint(0, w->height() - 1), w)
&& checkPoint(QPoint(w->width() - 1, w->height() - 1), w)
&& checkPoint(QPoint(w->width() / 2, w->height() / 2), w));
}
void bringToFront(QWidget* w)
{
#ifdef Q_OS_MAC
// Force application activation on macOS. With Qt 5.4 this is required when
// an action in the dock menu is triggered.
id app = objc_msgSend((id) objc_getClass("NSApplication"), sel_registerName("sharedApplication"));
objc_msgSend(app, sel_registerName("activateIgnoringOtherApps:"), YES);
#endif
if (w) {
// activateWindow() (sometimes) helps with keyboard focus on Windows
if (w->isMinimized()) {
w->showNormal();
} else {
w->show();
}
w->activateWindow();
w->raise();
}
}
void openDebugLogfile()
{
fs::path pathDebug = GetDataDir() / "debug.log";
/* Open debug.log with the associated application */
if (fs::exists(pathDebug))
QDesktopServices::openUrl(QUrl::fromLocalFile(boostPathToQString(pathDebug)));
}
bool openBitcoinConf()
{
fs::path pathConfig = GetConfigFile(gArgs.GetArg("-conf", BITCOIN_CONF_FILENAME));
/* Create the file */
fsbridge::ofstream configFile(pathConfig, std::ios_base::app);
if (!configFile.good())
return false;
configFile.close();
/* Open bitcoin.conf with the associated application */
bool res = QDesktopServices::openUrl(QUrl::fromLocalFile(boostPathToQString(pathConfig)));
#ifdef Q_OS_MAC
// Workaround for macOS-specific behavior; see #15409.
if (!res) {
res = QProcess::startDetached("/usr/bin/open", QStringList{"-t", boostPathToQString(pathConfig)});
}
#endif
return res;
}
ToolTipToRichTextFilter::ToolTipToRichTextFilter(int _size_threshold, QObject *parent) :
QObject(parent),
size_threshold(_size_threshold)
{
}
bool ToolTipToRichTextFilter::eventFilter(QObject *obj, QEvent *evt)
{
if(evt->type() == QEvent::ToolTipChange)
{
QWidget *widget = static_cast<QWidget*>(obj);
QString tooltip = widget->toolTip();
if(tooltip.size() > size_threshold && !tooltip.startsWith("<qt") && !Qt::mightBeRichText(tooltip))
{
// Envelop with <qt></qt> to make sure Qt detects this as rich text
// Escape the current message as HTML and replace \n by <br>
tooltip = "<qt>" + HtmlEscape(tooltip, true) + "</qt>";
widget->setToolTip(tooltip);
return true;
}
}
return QObject::eventFilter(obj, evt);
}
void TableViewLastColumnResizingFixer::connectViewHeadersSignals()
{
connect(tableView->horizontalHeader(), &QHeaderView::sectionResized, this, &TableViewLastColumnResizingFixer::on_sectionResized);
connect(tableView->horizontalHeader(), &QHeaderView::geometriesChanged, this, &TableViewLastColumnResizingFixer::on_geometriesChanged);
}
// We need to disconnect these while handling the resize events, otherwise we can enter infinite loops.
void TableViewLastColumnResizingFixer::disconnectViewHeadersSignals()
{
disconnect(tableView->horizontalHeader(), &QHeaderView::sectionResized, this, &TableViewLastColumnResizingFixer::on_sectionResized);
disconnect(tableView->horizontalHeader(), &QHeaderView::geometriesChanged, this, &TableViewLastColumnResizingFixer::on_geometriesChanged);
}
// Setup the resize mode, handles compatibility for Qt5 and below as the method signatures changed.
// Refactored here for readability.
void TableViewLastColumnResizingFixer::setViewHeaderResizeMode(int logicalIndex, QHeaderView::ResizeMode resizeMode)
{
tableView->horizontalHeader()->setSectionResizeMode(logicalIndex, resizeMode);
}
void TableViewLastColumnResizingFixer::resizeColumn(int nColumnIndex, int width)
{
tableView->setColumnWidth(nColumnIndex, width);
tableView->horizontalHeader()->resizeSection(nColumnIndex, width);
}
int TableViewLastColumnResizingFixer::getColumnsWidth()
{
int nColumnsWidthSum = 0;
for (int i = 0; i < columnCount; i++)
{
nColumnsWidthSum += tableView->horizontalHeader()->sectionSize(i);
}
return nColumnsWidthSum;
}
int TableViewLastColumnResizingFixer::getAvailableWidthForColumn(int column)
{
int nResult = lastColumnMinimumWidth;
int nTableWidth = tableView->horizontalHeader()->width();
if (nTableWidth > 0)
{
int nOtherColsWidth = getColumnsWidth() - tableView->horizontalHeader()->sectionSize(column);
nResult = std::max(nResult, nTableWidth - nOtherColsWidth);
}
return nResult;
}
// Make sure we don't make the columns wider than the table's viewport width.
void TableViewLastColumnResizingFixer::adjustTableColumnsWidth()
{
disconnectViewHeadersSignals();
resizeColumn(lastColumnIndex, getAvailableWidthForColumn(lastColumnIndex));
connectViewHeadersSignals();
int nTableWidth = tableView->horizontalHeader()->width();
int nColsWidth = getColumnsWidth();
if (nColsWidth > nTableWidth)
{
resizeColumn(secondToLastColumnIndex,getAvailableWidthForColumn(secondToLastColumnIndex));
}
}
// Make column use all the space available, useful during window resizing.
void TableViewLastColumnResizingFixer::stretchColumnWidth(int column)
{
disconnectViewHeadersSignals();
resizeColumn(column, getAvailableWidthForColumn(column));
connectViewHeadersSignals();
}
// When a section is resized this is a slot-proxy for ajustAmountColumnWidth().
void TableViewLastColumnResizingFixer::on_sectionResized(int logicalIndex, int oldSize, int newSize)
{
adjustTableColumnsWidth();
int remainingWidth = getAvailableWidthForColumn(logicalIndex);
if (newSize > remainingWidth)
{
resizeColumn(logicalIndex, remainingWidth);
}
}
// When the table's geometry is ready, we manually perform the stretch of the "Message" column,
// as the "Stretch" resize mode does not allow for interactive resizing.
void TableViewLastColumnResizingFixer::on_geometriesChanged()
{
if ((getColumnsWidth() - this->tableView->horizontalHeader()->width()) != 0)
{
disconnectViewHeadersSignals();
resizeColumn(secondToLastColumnIndex, getAvailableWidthForColumn(secondToLastColumnIndex));
connectViewHeadersSignals();
}
}
/**
* Initializes all internal variables and prepares the
* the resize modes of the last 2 columns of the table and
*/
TableViewLastColumnResizingFixer::TableViewLastColumnResizingFixer(QTableView* table, int lastColMinimumWidth, int allColsMinimumWidth, QObject *parent) :
QObject(parent),
tableView(table),
lastColumnMinimumWidth(lastColMinimumWidth),
allColumnsMinimumWidth(allColsMinimumWidth)
{
columnCount = tableView->horizontalHeader()->count();
lastColumnIndex = columnCount - 1;
secondToLastColumnIndex = columnCount - 2;
tableView->horizontalHeader()->setMinimumSectionSize(allColumnsMinimumWidth);
setViewHeaderResizeMode(secondToLastColumnIndex, QHeaderView::Interactive);
setViewHeaderResizeMode(lastColumnIndex, QHeaderView::Interactive);
}
#ifdef WIN32
fs::path static StartupShortcutPath()
{
std::string chain = gArgs.GetChainName();
if (chain == CBaseChainParams::MAIN)
return GetSpecialFolderPath(CSIDL_STARTUP) / "Litecoin.lnk";
if (chain == CBaseChainParams::TESTNET) // Remove this special case when CBaseChainParams::TESTNET = "testnet4"
return GetSpecialFolderPath(CSIDL_STARTUP) / "Litecoin (testnet).lnk";
return GetSpecialFolderPath(CSIDL_STARTUP) / strprintf("Litecoin (%s).lnk", chain);
}
bool GetStartOnSystemStartup()
{
// check for Bitcoin*.lnk
return fs::exists(StartupShortcutPath());
}
bool SetStartOnSystemStartup(bool fAutoStart)
{
// If the shortcut exists already, remove it for updating
fs::remove(StartupShortcutPath());
if (fAutoStart)
{
CoInitialize(nullptr);
// Get a pointer to the IShellLink interface.
IShellLinkW* psl = nullptr;
HRESULT hres = CoCreateInstance(CLSID_ShellLink, nullptr,
CLSCTX_INPROC_SERVER, IID_IShellLinkW,
reinterpret_cast<void**>(&psl));
if (SUCCEEDED(hres))
{
// Get the current executable path
WCHAR pszExePath[MAX_PATH];
GetModuleFileNameW(nullptr, pszExePath, ARRAYSIZE(pszExePath));
// Start client minimized
QString strArgs = "-min";
// Set -testnet /-regtest options
strArgs += QString::fromStdString(strprintf(" -testnet=%d -regtest=%d", gArgs.GetBoolArg("-testnet", false), gArgs.GetBoolArg("-regtest", false)));
// Set the path to the shortcut target
psl->SetPath(pszExePath);
PathRemoveFileSpecW(pszExePath);
psl->SetWorkingDirectory(pszExePath);
psl->SetShowCmd(SW_SHOWMINNOACTIVE);
psl->SetArguments(strArgs.toStdWString().c_str());
// Query IShellLink for the IPersistFile interface for
// saving the shortcut in persistent storage.
IPersistFile* ppf = nullptr;
hres = psl->QueryInterface(IID_IPersistFile, reinterpret_cast<void**>(&ppf));
if (SUCCEEDED(hres))
{
// Save the link by calling IPersistFile::Save.
hres = ppf->Save(StartupShortcutPath().wstring().c_str(), TRUE);
ppf->Release();
psl->Release();
CoUninitialize();
return true;
}
psl->Release();
}
CoUninitialize();
return false;
}
return true;
}
#elif defined(Q_OS_LINUX)
// Follow the Desktop Application Autostart Spec:
// http://standards.freedesktop.org/autostart-spec/autostart-spec-latest.html
fs::path static GetAutostartDir()
{
char* pszConfigHome = getenv("XDG_CONFIG_HOME");
if (pszConfigHome) return fs::path(pszConfigHome) / "autostart";
char* pszHome = getenv("HOME");
if (pszHome) return fs::path(pszHome) / ".config" / "autostart";
return fs::path();
}
fs::path static GetAutostartFilePath()
{
std::string chain = gArgs.GetChainName();
if (chain == CBaseChainParams::MAIN)
return GetAutostartDir() / "litecoin.desktop";
return GetAutostartDir() / strprintf("litecoin-%s.lnk", chain);
}
bool GetStartOnSystemStartup()
{
fsbridge::ifstream optionFile(GetAutostartFilePath());
if (!optionFile.good())
return false;
// Scan through file for "Hidden=true":
std::string line;
while (!optionFile.eof())
{
getline(optionFile, line);
if (line.find("Hidden") != std::string::npos &&
line.find("true") != std::string::npos)
return false;
}
optionFile.close();
return true;
}
bool SetStartOnSystemStartup(bool fAutoStart)
{
if (!fAutoStart)
fs::remove(GetAutostartFilePath());
else
{
char pszExePath[MAX_PATH+1];
ssize_t r = readlink("/proc/self/exe", pszExePath, sizeof(pszExePath) - 1);
if (r == -1)
return false;
pszExePath[r] = '\0';
fs::create_directories(GetAutostartDir());
fsbridge::ofstream optionFile(GetAutostartFilePath(), std::ios_base::out | std::ios_base::trunc);
if (!optionFile.good())
return false;
std::string chain = gArgs.GetChainName();
// Write a bitcoin.desktop file to the autostart directory:
optionFile << "[Desktop Entry]\n";
optionFile << "Type=Application\n";
if (chain == CBaseChainParams::MAIN)
optionFile << "Name=Litecoin\n";
else
optionFile << strprintf("Name=Litecoin (%s)\n", chain);
optionFile << "Exec=" << pszExePath << strprintf(" -min -testnet=%d -regtest=%d\n", gArgs.GetBoolArg("-testnet", false), gArgs.GetBoolArg("-regtest", false));
optionFile << "Terminal=false\n";
optionFile << "Hidden=false\n";
optionFile.close();
}
return true;
}
#elif defined(Q_OS_MAC) && defined(MAC_OS_X_VERSION_MIN_REQUIRED) && MAC_OS_X_VERSION_MIN_REQUIRED <= 101100
// based on: https://github.com/Mozketo/LaunchAtLoginController/blob/master/LaunchAtLoginController.m
LSSharedFileListItemRef findStartupItemInList(CFArrayRef listSnapshot, LSSharedFileListRef list, CFURLRef findUrl)
{
if (listSnapshot == nullptr) {
return nullptr;
}
// loop through the list of startup items and try to find the bitcoin app
for(int i = 0; i < CFArrayGetCount(listSnapshot); i++) {
LSSharedFileListItemRef item = (LSSharedFileListItemRef)CFArrayGetValueAtIndex(listSnapshot, i);
UInt32 resolutionFlags = kLSSharedFileListNoUserInteraction | kLSSharedFileListDoNotMountVolumes;
CFURLRef currentItemURL = nullptr;
#if defined(MAC_OS_X_VERSION_MAX_ALLOWED) && MAC_OS_X_VERSION_MAX_ALLOWED >= 10100
if(&LSSharedFileListItemCopyResolvedURL)
currentItemURL = LSSharedFileListItemCopyResolvedURL(item, resolutionFlags, nullptr);
#if defined(MAC_OS_X_VERSION_MIN_REQUIRED) && MAC_OS_X_VERSION_MIN_REQUIRED < 10100
else
LSSharedFileListItemResolve(item, resolutionFlags, &currentItemURL, nullptr);
#endif
#else
LSSharedFileListItemResolve(item, resolutionFlags, &currentItemURL, nullptr);
#endif
if(currentItemURL) {
if (CFEqual(currentItemURL, findUrl)) {
// found
CFRelease(currentItemURL);
return item;
}
CFRelease(currentItemURL);
}
}
return nullptr;
}
bool GetStartOnSystemStartup()
{
CFURLRef bitcoinAppUrl = CFBundleCopyBundleURL(CFBundleGetMainBundle());
if (bitcoinAppUrl == nullptr) {
return false;
}
LSSharedFileListRef loginItems = LSSharedFileListCreate(nullptr, kLSSharedFileListSessionLoginItems, nullptr);
CFArrayRef listSnapshot = LSSharedFileListCopySnapshot(loginItems, nullptr);
bool res = (findStartupItemInList(listSnapshot, loginItems, bitcoinAppUrl) != nullptr);
CFRelease(bitcoinAppUrl);
CFRelease(loginItems);
CFRelease(listSnapshot);
return res;
}
bool SetStartOnSystemStartup(bool fAutoStart)
{
CFURLRef bitcoinAppUrl = CFBundleCopyBundleURL(CFBundleGetMainBundle());
if (bitcoinAppUrl == nullptr) {
return false;
}
LSSharedFileListRef loginItems = LSSharedFileListCreate(nullptr, kLSSharedFileListSessionLoginItems, nullptr);
CFArrayRef listSnapshot = LSSharedFileListCopySnapshot(loginItems, nullptr);
LSSharedFileListItemRef foundItem = findStartupItemInList(listSnapshot, loginItems, bitcoinAppUrl);
if(fAutoStart && !foundItem) {
// add bitcoin app to startup item list
LSSharedFileListInsertItemURL(loginItems, kLSSharedFileListItemBeforeFirst, nullptr, nullptr, bitcoinAppUrl, nullptr, nullptr);
}
else if(!fAutoStart && foundItem) {
// remove item
LSSharedFileListItemRemove(loginItems, foundItem);
}
CFRelease(bitcoinAppUrl);
CFRelease(loginItems);
CFRelease(listSnapshot);
return true;
}
#pragma GCC diagnostic pop
#else
bool GetStartOnSystemStartup() { return false; }
bool SetStartOnSystemStartup(bool fAutoStart) { return false; }
#endif
void setClipboard(const QString& str)
{
QApplication::clipboard()->setText(str, QClipboard::Clipboard);
QApplication::clipboard()->setText(str, QClipboard::Selection);
}
fs::path qstringToBoostPath(const QString &path)
{
return fs::path(path.toStdString());
}
QString boostPathToQString(const fs::path &path)
{
return QString::fromStdString(path.string());
}
QString formatDurationStr(int secs)
{
QStringList strList;
int days = secs / 86400;
int hours = (secs % 86400) / 3600;
int mins = (secs % 3600) / 60;
int seconds = secs % 60;
if (days)
strList.append(QString(QObject::tr("%1 d")).arg(days));
if (hours)
strList.append(QString(QObject::tr("%1 h")).arg(hours));
if (mins)
strList.append(QString(QObject::tr("%1 m")).arg(mins));
if (seconds || (!days && !hours && !mins))
strList.append(QString(QObject::tr("%1 s")).arg(seconds));
return strList.join(" ");
}
QString formatServicesStr(quint64 mask)
{
QStringList strList;
// Just scan the last 8 bits for now.
for (int i = 0; i < 8; i++) {
uint64_t check = 1 << i;
if (mask & check)
{
switch (check)
{
case NODE_NETWORK:
strList.append("NETWORK");
break;
case NODE_GETUTXO:
strList.append("GETUTXO");
break;
case NODE_BLOOM:
strList.append("BLOOM");
break;
case NODE_WITNESS:
strList.append("WITNESS");
break;
case NODE_XTHIN:
strList.append("XTHIN");
break;
default:
strList.append(QString("%1[%2]").arg("UNKNOWN").arg(check));
}
}
}
if (strList.size())
return strList.join(" & ");
else
return QObject::tr("None");
}
QString formatPingTime(double dPingTime)
{
return (dPingTime == std::numeric_limits<int64_t>::max()/1e6 || dPingTime == 0) ? QObject::tr("N/A") : QString(QObject::tr("%1 ms")).arg(QString::number((int)(dPingTime * 1000), 10));
}
QString formatTimeOffset(int64_t nTimeOffset)
{
return QString(QObject::tr("%1 s")).arg(QString::number((int)nTimeOffset, 10));
}
QString formatNiceTimeOffset(qint64 secs)
{
// Represent time from last generated block in human readable text
QString timeBehindText;
const int HOUR_IN_SECONDS = 60*60;
const int DAY_IN_SECONDS = 24*60*60;
const int WEEK_IN_SECONDS = 7*24*60*60;
const int YEAR_IN_SECONDS = 31556952; // Average length of year in Gregorian calendar
if(secs < 60)
{
timeBehindText = QObject::tr("%n second(s)","",secs);
}
else if(secs < 2*HOUR_IN_SECONDS)
{
timeBehindText = QObject::tr("%n minute(s)","",secs/60);
}
else if(secs < 2*DAY_IN_SECONDS)
{
timeBehindText = QObject::tr("%n hour(s)","",secs/HOUR_IN_SECONDS);
}
else if(secs < 2*WEEK_IN_SECONDS)
{
timeBehindText = QObject::tr("%n day(s)","",secs/DAY_IN_SECONDS);
}
else if(secs < YEAR_IN_SECONDS)
{
timeBehindText = QObject::tr("%n week(s)","",secs/WEEK_IN_SECONDS);
}
else
{
qint64 years = secs / YEAR_IN_SECONDS;
qint64 remainder = secs % YEAR_IN_SECONDS;
timeBehindText = QObject::tr("%1 and %2").arg(QObject::tr("%n year(s)", "", years)).arg(QObject::tr("%n week(s)","", remainder/WEEK_IN_SECONDS));
}
return timeBehindText;
}
QString formatBytes(uint64_t bytes)
{
if(bytes < 1024)
return QString(QObject::tr("%1 B")).arg(bytes);
if(bytes < 1024 * 1024)
return QString(QObject::tr("%1 KB")).arg(bytes / 1024);
if(bytes < 1024 * 1024 * 1024)
return QString(QObject::tr("%1 MB")).arg(bytes / 1024 / 1024);
return QString(QObject::tr("%1 GB")).arg(bytes / 1024 / 1024 / 1024);
}
qreal calculateIdealFontSize(int width, const QString& text, QFont font, qreal minPointSize, qreal font_size) {
while(font_size >= minPointSize) {
font.setPointSizeF(font_size);
QFontMetrics fm(font);
if (fm.width(text) < width) {
break;
}
font_size -= 0.5;
}
return font_size;
}
void ClickableLabel::mouseReleaseEvent(QMouseEvent *event)
{
Q_EMIT clicked(event->pos());
}
void ClickableProgressBar::mouseReleaseEvent(QMouseEvent *event)
{
Q_EMIT clicked(event->pos());
}
bool ItemDelegate::eventFilter(QObject *object, QEvent *event)
{
if (event->type() == QEvent::KeyPress) {
if (static_cast<QKeyEvent*>(event)->key() == Qt::Key_Escape) {
Q_EMIT keyEscapePressed();
}
}
return QItemDelegate::eventFilter(object, event);
}
void PolishProgressDialog(QProgressDialog* dialog)
{
#ifdef Q_OS_MAC
// Workaround for macOS-only Qt bug; see: QTBUG-65750, QTBUG-70357.
const int margin = dialog->fontMetrics().width("X");
dialog->resize(dialog->width() + 2 * margin, dialog->height());
dialog->show();
#else
Q_UNUSED(dialog);
#endif
}
} // namespace GUIUtil
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