optionsdialog.cpp

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// Copyright (c) 2011-2013 The Bitcoin developers
// Copyright (c) 2013-2014 The Anoncoin Core developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

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

#include "optionsdialog.h"
#include "ui_optionsdialog.h"

#include "anoncoinunits.h"
#include "guiutil.h"
#include "monitoreddatamapper.h"
#include "optionsmodel.h"

#include "main.h" // for CTransaction::nMinTxFee and MAX_SCRIPTCHECK_THREADS
#include "netbase.h"
#include "txdb.h" // for -dbcache defaults

#include <QDir>
#include <QIntValidator>
#include <QLocale>
#include <QMessageBox>
#include <QTimer>

OptionsDialog::OptionsDialog(QWidget *parent) :
    QDialog(parent),
    ui(new Ui::OptionsDialog),
    model(0),
    mapper(0),
    fProxyIpValid(true)
#ifdef ENABLE_I2PSAM
    , fRestartWarningDisplayed_I2P(false)
    , tabI2P(new I2POptionsWidget()) // Add the I2P OptionsWidget tab
#endif
{
    ui->setupUi(this);
    GUIUtil::restoreWindowGeometry("nOptionsDialogWindow", this->size(), this);

    /* Main elements init */
    ui->databaseCache->setMinimum(nMinDbCache);
    ui->databaseCache->setMaximum(nMaxDbCache);
    ui->threadsScriptVerif->setMinimum(-(int)boost::thread::hardware_concurrency());
    ui->threadsScriptVerif->setMaximum(MAX_SCRIPTCHECK_THREADS);

    /* Network elements init */
#ifndef USE_UPNP
    ui->mapPortUpnp->setEnabled(false);
#endif

    ui->proxyIp->setEnabled(false);
    ui->proxyPort->setEnabled(false);
    ui->proxyPort->setValidator(new QIntValidator(1, 65535, this));

    connect(ui->connectSocks, SIGNAL(toggled(bool)), ui->proxyIp, SLOT(setEnabled(bool)));
    connect(ui->connectSocks, SIGNAL(toggled(bool)), ui->proxyPort, SLOT(setEnabled(bool)));

    ui->proxyIp->installEventFilter(this);

    /* Window elements init */
#ifdef Q_OS_MAC
    /* remove Window tab on Mac */
    ui->tabWidget->removeTab(ui->tabWidget->indexOf(ui->tabWindow));
#endif

    /* Display elements init */
    QDir translations(":translations");
    ui->lang->addItem(QString("(") + tr("default") + QString(")"), QVariant(""));
    foreach(const QString &langStr, translations.entryList())
    {
        QLocale locale(langStr);

        if(langStr.contains("_"))
        {
#if QT_VERSION >= 0x040800

            ui->lang->addItem(locale.nativeLanguageName() + QString(" - ") + locale.nativeCountryName() + QString(" (") + langStr + QString(")"), QVariant(langStr));
#else

            ui->lang->addItem(QLocale::languageToString(locale.language()) + QString(" - ") + QLocale::countryToString(locale.country()) + QString(" (") + langStr + QString(")"), QVariant(langStr));
#endif
        }
        else
        {
#if QT_VERSION >= 0x040800

            ui->lang->addItem(locale.nativeLanguageName() + QString(" (") + langStr + QString(")"), QVariant(langStr));
#else

            ui->lang->addItem(QLocale::languageToString(locale.language()) + QString(" (") + langStr + QString(")"), QVariant(langStr));
#endif
        }
    }
#if QT_VERSION >= 0x040700
    ui->thirdPartyTxUrls->setPlaceholderText("https://example.com/tx/%s");
#endif

    ui->unit->setModel(new AnoncoinUnits(this));
    ui->transactionFee->setSingleStep(CTransaction::nMinTxFee);

    /* Widget-to-option mapper */
    mapper = new MonitoredDataMapper(this);
    mapper->setSubmitPolicy(QDataWidgetMapper::ManualSubmit);
    mapper->setOrientation(Qt::Vertical);

    /* setup/change UI elements when proxy IP is invalid/valid */
    connect(this, SIGNAL(proxyIpChecks(QValidatedLineEdit *, int)), this, SLOT(doProxyIpChecks(QValidatedLineEdit *, int)));
#ifdef ENABLE_I2PSAM
    ui->tabWidget->addTab(tabI2P, QString("I2P"));
#endif
}

OptionsDialog::~OptionsDialog()
{
    GUIUtil::saveWindowGeometry("nOptionsDialogWindow", this);
    delete ui;
}

void OptionsDialog::setModel(OptionsModel *model)
{
    this->model = model;

    if(model)
    {
        /* check if client restart is needed and show persistent message */
        if (model->isRestartRequired())
            showRestartWarning(true);

        QString strLabel = model->getOverriddenByCommandLine();
        if (strLabel.isEmpty())
            strLabel = tr("none");
        ui->overriddenByCommandLineLabel->setText(strLabel);

        connect(model, SIGNAL(displayUnitChanged(int)), this, SLOT(updateDisplayUnit()));

        mapper->setModel(model);
        setMapper();
        mapper->toFirst();
    }

    /* update the display unit, to not use the default ("ANC") */
    updateDisplayUnit();

    /* warn when one of the following settings changes by user action (placed here so init via mapper doesn't trigger them) */

    /* Main */
    connect(ui->databaseCache, SIGNAL(valueChanged(int)), this, SLOT(showRestartWarning()));
    connect(ui->threadsScriptVerif, SIGNAL(valueChanged(int)), this, SLOT(showRestartWarning()));
    /* Wallet */
    connect(ui->spendZeroConfChange, SIGNAL(clicked(bool)), this, SLOT(showRestartWarning()));
    /* Network */
    connect(ui->connectSocks, SIGNAL(clicked(bool)), this, SLOT(showRestartWarning()));
    /* Display */
    connect(ui->lang, SIGNAL(valueChanged()), this, SLOT(showRestartWarning()));
    connect(ui->thirdPartyTxUrls, SIGNAL(textChanged(const QString &)), this, SLOT(showRestartWarning()));
#ifdef ENABLE_I2PSAM
    QObject::connect(tabI2P, SIGNAL(settingsChanged()), this, SLOT(showRestartWarning_I2P()));
#endif
}

#ifdef ENABLE_I2PSAM
// ToDo: Double check me. Ported from v0.8.6 anoncoin code, all things related to tabI2P created here,
//       and the associated i2poptionswidget.  Would prefer to see it simplely added as a widget tab,
//       in the optionsdialog.ui base file, then remove i2poptionswidget.ui from the build dependancies
//       and remove some of the code changes that were required here to upgrade to 0.9.4.
//
// GR Note: Needed to add this override, guess to implement the dynamic tab created for I2P configuraton
//
void OptionsDialog::setClientModel(ClientModel* clientModel)
{
    if (clientModel) tabI2P->setModel(clientModel);
}
#endif // ENABLE_I2PSAM

void OptionsDialog::setMapper()
{
    /* Main */
    mapper->addMapping(ui->anoncoinAtStartup, OptionsModel::StartAtStartup);
    mapper->addMapping(ui->threadsScriptVerif, OptionsModel::ThreadsScriptVerif);
    mapper->addMapping(ui->databaseCache, OptionsModel::DatabaseCache);

    /* Wallet */
    mapper->addMapping(ui->transactionFee, OptionsModel::Fee);
    mapper->addMapping(ui->spendZeroConfChange, OptionsModel::SpendZeroConfChange);
    mapper->addMapping(ui->coinControlFeatures, OptionsModel::CoinControlFeatures);

    /* Network */
    mapper->addMapping(ui->mapPortUpnp, OptionsModel::MapPortUPnP);

    mapper->addMapping(ui->connectSocks, OptionsModel::ProxyUse);
    mapper->addMapping(ui->proxyIp, OptionsModel::ProxyIP);
    mapper->addMapping(ui->proxyPort, OptionsModel::ProxyPort);

    /* Window */
#ifndef Q_OS_MAC
    mapper->addMapping(ui->minimizeToTray, OptionsModel::MinimizeToTray);
    mapper->addMapping(ui->minimizeOnClose, OptionsModel::MinimizeOnClose);
#endif

    /* Display */
    mapper->addMapping(ui->lang, OptionsModel::Language);
    mapper->addMapping(ui->unit, OptionsModel::DisplayUnit);
    mapper->addMapping(ui->thirdPartyTxUrls, OptionsModel::ThirdPartyTxUrls);
#ifdef ENABLE_I2PSAM
    tabI2P->setMapper(*mapper);
#endif
}

void OptionsDialog::enableOkButton()
{
    /* prevent enabling of the OK button when data modified, if there is an invalid proxy address present */
    if(fProxyIpValid)
        setOkButtonState(true);
}

void OptionsDialog::disableOkButton()
{
    setOkButtonState(false);
}

void OptionsDialog::setOkButtonState(bool fState)
{
    ui->okButton->setEnabled(fState);
}

void OptionsDialog::on_resetButton_clicked()
{
    if(model)
    {
        // confirmation dialog
        QMessageBox::StandardButton btnRetVal = QMessageBox::question(this, tr("Confirm options reset"),
            tr("Client restart required to activate changes.") + "<br><br>" + tr("Client will be shutdown, do you want to proceed?"),
            QMessageBox::Yes | QMessageBox::Cancel, QMessageBox::Cancel);

        if(btnRetVal == QMessageBox::Cancel)
            return;
#ifdef ENABLE_I2PSAM
        /* disable restart warning messages display */
        // ToDo: Check that this overall model functionality is correct.
        // GR Note: The code behavior here is different between 0.8.5.6 and 0.9.3, or I'm not understanding what
        // was added and/or changed.
        // Not sure if this fRestartWarningDisplayed_I2P flag matters give the app quits. and I didn't setup any
        // special resetwarning flags for the lang or proxy tabs....
        fRestartWarningDisplayed_I2P = true;
#endif
        /* reset all options and close GUI */
        model->Reset();
        QApplication::quit();

#ifdef ENABLE_I2PSAM
        /* re-enable restart warning messages display */
        fRestartWarningDisplayed_I2P = false;
#endif
    }
}

void OptionsDialog::on_okButton_clicked()
{
    mapper->submit();
    accept();
}

void OptionsDialog::on_cancelButton_clicked()
{
    reject();
}

void OptionsDialog::showRestartWarning(bool fPersistent)
{
    ui->statusLabel->setStyleSheet("QLabel { color: red; }");

    if(fPersistent)
    {
        ui->statusLabel->setText(tr("Client restart required to activate changes."));
    }
    else
    {
        ui->statusLabel->setText(tr("This change would require a client restart."));
        // clear non-persistent status label after 10 seconds
        // Todo: should perhaps be a class attribute, if we extend the use of statusLabel
        QTimer::singleShot(10000, this, SLOT(clearStatusLabel()));
    }
}

#ifdef ENABLE_I2PSAM
void OptionsDialog::showRestartWarning_I2P()
{
    if(!fRestartWarningDisplayed_I2P)
    {
        QMessageBox::warning(this, tr("Warning"), tr("This setting will take effect after restarting Anoncoin."), QMessageBox::Ok);
        fRestartWarningDisplayed_I2P = true;
    }
}
#endif // ENABLE_I2PSAM

void OptionsDialog::clearStatusLabel()
{
    ui->statusLabel->clear();
}

void OptionsDialog::updateDisplayUnit()
{
    if(model)
    {
        /* Update transactionFee with the current unit */
        ui->transactionFee->setDisplayUnit(model->getDisplayUnit());
    }
}

void OptionsDialog::doProxyIpChecks(QValidatedLineEdit *pUiProxyIp, int nProxyPort)
{
    Q_UNUSED(nProxyPort);

    const std::string strAddrProxy = pUiProxyIp->text().toStdString();
    CService addrProxy;

    /* Check for a valid IPv4 / IPv6 address */
    if (!(fProxyIpValid = LookupNumeric(strAddrProxy.c_str(), addrProxy)))
    {
        disableOkButton();
        pUiProxyIp->setValid(false);
        ui->statusLabel->setStyleSheet("QLabel { color: red; }");
        ui->statusLabel->setText(tr("The supplied proxy address is invalid."));
    }
    else
    {
        enableOkButton();
        ui->statusLabel->clear();
    }
}

bool OptionsDialog::eventFilter(QObject *object, QEvent *event)
{
    if(event->type() == QEvent::FocusOut)
    {
        if(object == ui->proxyIp)
        {
            emit proxyIpChecks(ui->proxyIp, ui->proxyPort->text().toInt());
        }
    }
    return QDialog::eventFilter(object, event);
}