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// Copyright (c) 2011-2021 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/overviewpage.h>
#include <qt/forms/ui_overviewpage.h>
#include <qt/bitcoinunits.h>
#include <qt/clientmodel.h>
#include <qt/guiconstants.h>
#include <qt/guiutil.h>
#include <qt/optionsmodel.h>
#include <qt/platformstyle.h>
#include <qt/transactionfilterproxy.h>
#include <qt/transactionoverviewwidget.h>
#include <qt/transactiontablemodel.h>
#include <qt/walletmodel.h>
#include <QAbstractItemDelegate>
#include <QApplication>
#include <QDateTime>
#include <QPainter>
#include <QStatusTipEvent>
#include <algorithm>
#include <map>
#define DECORATION_SIZE 54
#define NUM_ITEMS 5
Q_DECLARE_METATYPE(interfaces::WalletBalances)
class TxViewDelegate : public QAbstractItemDelegate
{
Q_OBJECT
public:
explicit TxViewDelegate(const PlatformStyle* _platformStyle, QObject* parent = nullptr)
: QAbstractItemDelegate(parent), unit(BitcoinUnit::BTC),
platformStyle(_platformStyle)
{
connect(this, &TxViewDelegate::width_changed, this, &TxViewDelegate::sizeHintChanged);
}
inline void paint(QPainter *painter, const QStyleOptionViewItem &option,
const QModelIndex &index ) const override
{
painter->save();
QIcon icon = qvariant_cast<QIcon>(index.data(TransactionTableModel::RawDecorationRole));
QRect mainRect = option.rect;
QRect decorationRect(mainRect.topLeft(), QSize(DECORATION_SIZE, DECORATION_SIZE));
int xspace = DECORATION_SIZE + 8;
int ypad = 6;
int halfheight = (mainRect.height() - 2*ypad)/2;
QRect amountRect(mainRect.left() + xspace, mainRect.top()+ypad, mainRect.width() - xspace, halfheight);
QRect addressRect(mainRect.left() + xspace, mainRect.top()+ypad+halfheight, mainRect.width() - xspace, halfheight);
icon = platformStyle->SingleColorIcon(icon);
icon.paint(painter, decorationRect);
QDateTime date = index.data(TransactionTableModel::DateRole).toDateTime();
QString address = index.data(Qt::DisplayRole).toString();
qint64 amount = index.data(TransactionTableModel::AmountRole).toLongLong();
bool confirmed = index.data(TransactionTableModel::ConfirmedRole).toBool();
QVariant value = index.data(Qt::ForegroundRole);
QColor foreground = option.palette.color(QPalette::Text);
if(value.canConvert<QBrush>())
{
QBrush brush = qvariant_cast<QBrush>(value);
foreground = brush.color();
}
if (index.data(TransactionTableModel::WatchonlyRole).toBool()) {
QIcon iconWatchonly = qvariant_cast<QIcon>(index.data(TransactionTableModel::WatchonlyDecorationRole));
QRect watchonlyRect(addressRect.left(), addressRect.top(), 16, addressRect.height());
iconWatchonly = platformStyle->TextColorIcon(iconWatchonly);
iconWatchonly.paint(painter, watchonlyRect);
addressRect.setLeft(addressRect.left() + watchonlyRect.width() + 5);
}
painter->setPen(foreground);
QRect boundingRect;
painter->drawText(addressRect, Qt::AlignLeft | Qt::AlignVCenter, address, &boundingRect);
if(amount < 0)
{
foreground = COLOR_NEGATIVE;
}
else if(!confirmed)
{
foreground = COLOR_UNCONFIRMED;
}
else
{
foreground = option.palette.color(QPalette::Text);
}
painter->setPen(foreground);
QString amountText = BitcoinUnits::formatWithUnit(unit, amount, true, BitcoinUnits::SeparatorStyle::ALWAYS);
if(!confirmed)
{
amountText = QString("[") + amountText + QString("]");
}
QRect amount_bounding_rect;
painter->drawText(amountRect, Qt::AlignRight | Qt::AlignVCenter, amountText, &amount_bounding_rect);
painter->setPen(option.palette.color(QPalette::Text));
QRect date_bounding_rect;
painter->drawText(amountRect, Qt::AlignLeft | Qt::AlignVCenter, GUIUtil::dateTimeStr(date), &date_bounding_rect);
// 0.4*date_bounding_rect.width() is used to visually distinguish a date from an amount.
const int minimum_width = 1.4 * date_bounding_rect.width() + amount_bounding_rect.width();
const auto search = m_minimum_width.find(index.row());
if (search == m_minimum_width.end() || search->second != minimum_width) {
m_minimum_width[index.row()] = minimum_width;
Q_EMIT width_changed(index);
}
painter->restore();
}
inline QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const override
{
const auto search = m_minimum_width.find(index.row());
const int minimum_text_width = search == m_minimum_width.end() ? 0 : search->second;
return {DECORATION_SIZE + 8 + minimum_text_width, DECORATION_SIZE};
}
BitcoinUnit unit;
Q_SIGNALS:
//! An intermediate signal for emitting from the `paint() const` member function.
void width_changed(const QModelIndex& index) const;
private:
const PlatformStyle* platformStyle;
mutable std::map<int, int> m_minimum_width;
};
#include <qt/overviewpage.moc>
OverviewPage::OverviewPage(const PlatformStyle *platformStyle, QWidget *parent) :
QWidget(parent),
ui(new Ui::OverviewPage),
clientModel(nullptr),
walletModel(nullptr),
m_platform_style{platformStyle},
txdelegate(new TxViewDelegate(platformStyle, this))
{
ui->setupUi(this);
m_balances.balance = -1;
// use a SingleColorIcon for the "out of sync warning" icon
QIcon icon = m_platform_style->SingleColorIcon(QStringLiteral(":/icons/warning"));
ui->labelTransactionsStatus->setIcon(icon);
ui->labelWalletStatus->setIcon(icon);
// Recent transactions
ui->listTransactions->setItemDelegate(txdelegate);
ui->listTransactions->setIconSize(QSize(DECORATION_SIZE, DECORATION_SIZE));
ui->listTransactions->setMinimumHeight(NUM_ITEMS * (DECORATION_SIZE + 2));
ui->listTransactions->setAttribute(Qt::WA_MacShowFocusRect, false);
connect(ui->listTransactions, &TransactionOverviewWidget::clicked, this, &OverviewPage::handleTransactionClicked);
// start with displaying the "out of sync" warnings
showOutOfSyncWarning(true);
connect(ui->labelWalletStatus, &QPushButton::clicked, this, &OverviewPage::outOfSyncWarningClicked);
connect(ui->labelTransactionsStatus, &QPushButton::clicked, this, &OverviewPage::outOfSyncWarningClicked);
}
void OverviewPage::handleTransactionClicked(const QModelIndex &index)
{
if(filter)
Q_EMIT transactionClicked(filter->mapToSource(index));
}
void OverviewPage::setPrivacy(bool privacy)
{
m_privacy = privacy;
if (m_balances.balance != -1) {
setBalance(m_balances);
}
ui->listTransactions->setVisible(!m_privacy);
const QString status_tip = m_privacy ? tr("Privacy mode activated for the Overview tab. To unmask the values, uncheck Settings->Mask values.") : "";
setStatusTip(status_tip);
QStatusTipEvent event(status_tip);
QApplication::sendEvent(this, &event);
}
OverviewPage::~OverviewPage()
{
delete ui;
}
void OverviewPage::setBalance(const interfaces::WalletBalances& balances)
{
BitcoinUnit unit = walletModel->getOptionsModel()->getDisplayUnit();
m_balances = balances;
if (walletModel->wallet().isLegacy()) {
if (walletModel->wallet().privateKeysDisabled()) {
ui->labelBalance->setText(BitcoinUnits::formatWithPrivacy(unit, balances.watch_only_balance, BitcoinUnits::SeparatorStyle::ALWAYS, m_privacy));
ui->labelUnconfirmed->setText(BitcoinUnits::formatWithPrivacy(unit, balances.unconfirmed_watch_only_balance, BitcoinUnits::SeparatorStyle::ALWAYS, m_privacy));
ui->labelImmature->setText(BitcoinUnits::formatWithPrivacy(unit, balances.immature_watch_only_balance, BitcoinUnits::SeparatorStyle::ALWAYS, m_privacy));
ui->labelTotal->setText(BitcoinUnits::formatWithPrivacy(unit, balances.watch_only_balance + balances.unconfirmed_watch_only_balance + balances.immature_watch_only_balance, BitcoinUnits::SeparatorStyle::ALWAYS, m_privacy));
} else {
ui->labelBalance->setText(BitcoinUnits::formatWithPrivacy(unit, balances.balance, BitcoinUnits::SeparatorStyle::ALWAYS, m_privacy));
ui->labelUnconfirmed->setText(BitcoinUnits::formatWithPrivacy(unit, balances.unconfirmed_balance, BitcoinUnits::SeparatorStyle::ALWAYS, m_privacy));
ui->labelImmature->setText(BitcoinUnits::formatWithPrivacy(unit, balances.immature_balance, BitcoinUnits::SeparatorStyle::ALWAYS, m_privacy));
ui->labelTotal->setText(BitcoinUnits::formatWithPrivacy(unit, balances.balance + balances.unconfirmed_balance + balances.immature_balance, BitcoinUnits::SeparatorStyle::ALWAYS, m_privacy));
ui->labelWatchAvailable->setText(BitcoinUnits::formatWithPrivacy(unit, balances.watch_only_balance, BitcoinUnits::SeparatorStyle::ALWAYS, m_privacy));
ui->labelWatchPending->setText(BitcoinUnits::formatWithPrivacy(unit, balances.unconfirmed_watch_only_balance, BitcoinUnits::SeparatorStyle::ALWAYS, m_privacy));
ui->labelWatchImmature->setText(BitcoinUnits::formatWithPrivacy(unit, balances.immature_watch_only_balance, BitcoinUnits::SeparatorStyle::ALWAYS, m_privacy));
ui->labelWatchTotal->setText(BitcoinUnits::formatWithPrivacy(unit, balances.watch_only_balance + balances.unconfirmed_watch_only_balance + balances.immature_watch_only_balance, BitcoinUnits::SeparatorStyle::ALWAYS, m_privacy));
}
} else {
ui->labelBalance->setText(BitcoinUnits::formatWithPrivacy(unit, balances.balance, BitcoinUnits::SeparatorStyle::ALWAYS, m_privacy));
ui->labelUnconfirmed->setText(BitcoinUnits::formatWithPrivacy(unit, balances.unconfirmed_balance, BitcoinUnits::SeparatorStyle::ALWAYS, m_privacy));
ui->labelImmature->setText(BitcoinUnits::formatWithPrivacy(unit, balances.immature_balance, BitcoinUnits::SeparatorStyle::ALWAYS, m_privacy));
ui->labelTotal->setText(BitcoinUnits::formatWithPrivacy(unit, balances.balance + balances.unconfirmed_balance + balances.immature_balance, BitcoinUnits::SeparatorStyle::ALWAYS, m_privacy));
}
// only show immature (newly mined) balance if it's non-zero, so as not to complicate things
// for the non-mining users
bool showImmature = balances.immature_balance != 0;
bool showWatchOnlyImmature = balances.immature_watch_only_balance != 0;
// for symmetry reasons also show immature label when the watch-only one is shown
ui->labelImmature->setVisible(showImmature || showWatchOnlyImmature);
ui->labelImmatureText->setVisible(showImmature || showWatchOnlyImmature);
ui->labelWatchImmature->setVisible(!walletModel->wallet().privateKeysDisabled() && showWatchOnlyImmature); // show watch-only immature balance
}
// show/hide watch-only labels
void OverviewPage::updateWatchOnlyLabels(bool showWatchOnly)
{
ui->labelSpendable->setVisible(showWatchOnly); // show spendable label (only when watch-only is active)
ui->labelWatchonly->setVisible(showWatchOnly); // show watch-only label
ui->lineWatchBalance->setVisible(showWatchOnly); // show watch-only balance separator line
ui->labelWatchAvailable->setVisible(showWatchOnly); // show watch-only available balance
ui->labelWatchPending->setVisible(showWatchOnly); // show watch-only pending balance
ui->labelWatchTotal->setVisible(showWatchOnly); // show watch-only total balance
if (!showWatchOnly)
ui->labelWatchImmature->hide();
}
void OverviewPage::setClientModel(ClientModel *model)
{
this->clientModel = model;
if (model) {
// Show warning, for example if this is a prerelease version
connect(model, &ClientModel::alertsChanged, this, &OverviewPage::updateAlerts);
updateAlerts(model->getStatusBarWarnings());
connect(model->getOptionsModel(), &OptionsModel::useEmbeddedMonospacedFontChanged, this, &OverviewPage::setMonospacedFont);
setMonospacedFont(model->getOptionsModel()->getUseEmbeddedMonospacedFont());
}
}
void OverviewPage::setWalletModel(WalletModel *model)
{
this->walletModel = model;
if(model && model->getOptionsModel())
{
// Set up transaction list
filter.reset(new TransactionFilterProxy());
filter->setSourceModel(model->getTransactionTableModel());
filter->setLimit(NUM_ITEMS);
filter->setDynamicSortFilter(true);
filter->setSortRole(Qt::EditRole);
filter->setShowInactive(false);
filter->sort(TransactionTableModel::Date, Qt::DescendingOrder);
ui->listTransactions->setModel(filter.get());
ui->listTransactions->setModelColumn(TransactionTableModel::ToAddress);
// Keep up to date with wallet
setBalance(model->getCachedBalance());
connect(model, &WalletModel::balanceChanged, this, &OverviewPage::setBalance);
connect(model->getOptionsModel(), &OptionsModel::displayUnitChanged, this, &OverviewPage::updateDisplayUnit);
interfaces::Wallet& wallet = model->wallet();
updateWatchOnlyLabels(wallet.haveWatchOnly() && !wallet.privateKeysDisabled());
connect(model, &WalletModel::notifyWatchonlyChanged, [this](bool showWatchOnly) {
updateWatchOnlyLabels(showWatchOnly && !walletModel->wallet().privateKeysDisabled());
});
}
// update the display unit, to not use the default ("BTC")
updateDisplayUnit();
}
void OverviewPage::changeEvent(QEvent* e)
{
if (e->type() == QEvent::PaletteChange) {
QIcon icon = m_platform_style->SingleColorIcon(QStringLiteral(":/icons/warning"));
ui->labelTransactionsStatus->setIcon(icon);
ui->labelWalletStatus->setIcon(icon);
}
QWidget::changeEvent(e);
}
void OverviewPage::updateDisplayUnit()
{
if(walletModel && walletModel->getOptionsModel())
{
if (m_balances.balance != -1) {
setBalance(m_balances);
}
// Update txdelegate->unit with the current unit
txdelegate->unit = walletModel->getOptionsModel()->getDisplayUnit();
ui->listTransactions->update();
}
}
void OverviewPage::updateAlerts(const QString &warnings)
{
this->ui->labelAlerts->setVisible(!warnings.isEmpty());
this->ui->labelAlerts->setText(warnings);
}
void OverviewPage::showOutOfSyncWarning(bool fShow)
{
ui->labelWalletStatus->setVisible(fShow);
ui->labelTransactionsStatus->setVisible(fShow);
}
void OverviewPage::setMonospacedFont(bool use_embedded_font)
{
QFont f = GUIUtil::fixedPitchFont(use_embedded_font);
f.setWeight(QFont::Bold);
ui->labelBalance->setFont(f);
ui->labelUnconfirmed->setFont(f);
ui->labelImmature->setFont(f);
ui->labelTotal->setFont(f);
ui->labelWatchAvailable->setFont(f);
ui->labelWatchPending->setFont(f);
ui->labelWatchImmature->setFont(f);
ui->labelWatchTotal->setFont(f);
}
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