src/qt/overviewpage.cpp

   1 // Copyright (c) 2011-2016 The Bitcoin Core developers
   2 // Distributed under the MIT software license, see the accompanying
   3 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
   4
   5 #include "overviewpage.h"
   6 #include "ui_overviewpage.h"
   7
   8 #include "bitcoinunits.h"
   9 #include "clientmodel.h"
  10 #include "guiconstants.h"
  11 #include "guiutil.h"
  12 #include "optionsmodel.h"
  13 #include "platformstyle.h"
  14 #include "transactionfilterproxy.h"
  15 #include "transactiontablemodel.h"
  16 #include "walletmodel.h"
  17
  18 #include <QAbstractItemDelegate>
  19 #include <QPainter>
  20
  21 #define DECORATION_SIZE 54
  22 #define NUM_ITEMS 5
  23
  24 class TxViewDelegate : public QAbstractItemDelegate
  25 {
  26     Q_OBJECT
  27 public:
  28     explicit TxViewDelegate(const PlatformStyle *_platformStyle, QObject *parent=nullptr):
  29         QAbstractItemDelegate(parent), unit(BitcoinUnits::BTC),
  30         platformStyle(_platformStyle)
  31     {
  32
  33     }
  34
  35     inline void paint(QPainter *painter, const QStyleOptionViewItem &option,
  36                       const QModelIndex &index ) const
  37     {
  38         painter->save();
  39
  40         QIcon icon = qvariant_cast<QIcon>(index.data(TransactionTableModel::RawDecorationRole));
  41         QRect mainRect = option.rect;
  42         QRect decorationRect(mainRect.topLeft(), QSize(DECORATION_SIZE, DECORATION_SIZE));
  43         int xspace = DECORATION_SIZE + 8;
  44         int ypad = 6;
  45         int halfheight = (mainRect.height() - 2*ypad)/2;
  46         QRect amountRect(mainRect.left() + xspace, mainRect.top()+ypad, mainRect.width() - xspace, halfheight);
  47         QRect addressRect(mainRect.left() + xspace, mainRect.top()+ypad+halfheight, mainRect.width() - xspace, halfheight);
  48         icon = platformStyle->SingleColorIcon(icon);
  49         icon.paint(painter, decorationRect);
  50
  51         QDateTime date = index.data(TransactionTableModel::DateRole).toDateTime();
  52         QString address = index.data(Qt::DisplayRole).toString();
  53         qint64 amount = index.data(TransactionTableModel::AmountRole).toLongLong();
  54         bool confirmed = index.data(TransactionTableModel::ConfirmedRole).toBool();
  55         QVariant value = index.data(Qt::ForegroundRole);
  56         QColor foreground = option.palette.color(QPalette::Text);
  57         if(value.canConvert<QBrush>())
  58         {
  59             QBrush brush = qvariant_cast<QBrush>(value);
  60             foreground = brush.color();
  61         }
  62
  63         painter->setPen(foreground);
  64         QRect boundingRect;
  65         painter->drawText(addressRect, Qt::AlignLeft|Qt::AlignVCenter, address, &boundingRect);
  66
  67         if (index.data(TransactionTableModel::WatchonlyRole).toBool())
  68         {
  69             QIcon iconWatchonly = qvariant_cast<QIcon>(index.data(TransactionTableModel::WatchonlyDecorationRole));
  70             QRect watchonlyRect(boundingRect.right() + 5, mainRect.top()+ypad+halfheight, 16, halfheight);
  71             iconWatchonly.paint(painter, watchonlyRect);
  72         }
  73
  74         if(amount < 0)
  75         {
  76             foreground = COLOR_NEGATIVE;
  77         }
  78         else if(!confirmed)
  79         {
  80             foreground = COLOR_UNCONFIRMED;
  81         }
  82         else
  83         {
  84             foreground = option.palette.color(QPalette::Text);
  85         }
  86         painter->setPen(foreground);
  87         QString amountText = BitcoinUnits::formatWithUnit(unit, amount, true, BitcoinUnits::separatorAlways);
  88         if(!confirmed)
  89         {
  90             amountText = QString("[") + amountText + QString("]");
  91         }
  92         painter->drawText(amountRect, Qt::AlignRight|Qt::AlignVCenter, amountText);
  93
  94         painter->setPen(option.palette.color(QPalette::Text));
  95         painter->drawText(amountRect, Qt::AlignLeft|Qt::AlignVCenter, GUIUtil::dateTimeStr(date));
  96
  97         painter->restore();
  98     }
  99
 100     inline QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
 101     {
 102         return QSize(DECORATION_SIZE, DECORATION_SIZE);
 103     }
 104
 105     int unit;
 106     const PlatformStyle *platformStyle;
 107
 108 };
 109 #include "overviewpage.moc"
 110
 111 OverviewPage::OverviewPage(const PlatformStyle *platformStyle, QWidget *parent) :
 112     QWidget(parent),
 113     ui(new Ui::OverviewPage),
 114     clientModel(0),
 115     walletModel(0),
 116     currentBalance(-1),
 117     currentUnconfirmedBalance(-1),
 118     currentImmatureBalance(-1),
 119     currentWatchOnlyBalance(-1),
 120     currentWatchUnconfBalance(-1),
 121     currentWatchImmatureBalance(-1),
 122     txdelegate(new TxViewDelegate(platformStyle, this))
 123 {
 124     ui->setupUi(this);
 125
 126     // use a SingleColorIcon for the "out of sync warning" icon
 127     QIcon icon = platformStyle->SingleColorIcon(":/icons/warning");
 128     icon.addPixmap(icon.pixmap(QSize(64,64), QIcon::Normal), QIcon::Disabled); // also set the disabled icon because we are using a disabled QPushButton to work around missing HiDPI support of QLabel (https://bugreports.qt.io/browse/QTBUG-42503)
 129     ui->labelTransactionsStatus->setIcon(icon);
 130     ui->labelWalletStatus->setIcon(icon);
 131
 132     // Recent transactions
 133     ui->listTransactions->setItemDelegate(txdelegate);
 134     ui->listTransactions->setIconSize(QSize(DECORATION_SIZE, DECORATION_SIZE));
 135     ui->listTransactions->setMinimumHeight(NUM_ITEMS * (DECORATION_SIZE + 2));
 136     ui->listTransactions->setAttribute(Qt::WA_MacShowFocusRect, false);
 137
 138     connect(ui->listTransactions, SIGNAL(clicked(QModelIndex)), this, SLOT(handleTransactionClicked(QModelIndex)));
 139
 140     // start with displaying the "out of sync" warnings
 141     showOutOfSyncWarning(true);
 142     connect(ui->labelWalletStatus, SIGNAL(clicked()), this, SLOT(handleOutOfSyncWarningClicks()));
 143     connect(ui->labelTransactionsStatus, SIGNAL(clicked()), this, SLOT(handleOutOfSyncWarningClicks()));
 144 }
 145
 146 void OverviewPage::handleTransactionClicked(const QModelIndex &index)
 147 {
 148     if(filter)
 149         Q_EMIT transactionClicked(filter->mapToSource(index));
 150 }
 151
 152 void OverviewPage::handleOutOfSyncWarningClicks()
 153 {
 154     Q_EMIT outOfSyncWarningClicked();
 155 }
 156
 157 OverviewPage::~OverviewPage()
 158 {
 159     delete ui;
 160 }
 161
 162 void OverviewPage::setBalance(const CAmount& balance, const CAmount& unconfirmedBalance, const CAmount& immatureBalance, const CAmount& watchOnlyBalance, const CAmount& watchUnconfBalance, const CAmount& watchImmatureBalance)
 163 {
 164     int unit = walletModel->getOptionsModel()->getDisplayUnit();
 165     currentBalance = balance;
 166     currentUnconfirmedBalance = unconfirmedBalance;
 167     currentImmatureBalance = immatureBalance;
 168     currentWatchOnlyBalance = watchOnlyBalance;
 169     currentWatchUnconfBalance = watchUnconfBalance;
 170     currentWatchImmatureBalance = watchImmatureBalance;
 171     ui->labelBalance->setText(BitcoinUnits::formatWithUnit(unit, balance, false, BitcoinUnits::separatorAlways));
 172     ui->labelUnconfirmed->setText(BitcoinUnits::formatWithUnit(unit, unconfirmedBalance, false, BitcoinUnits::separatorAlways));
 173     ui->labelImmature->setText(BitcoinUnits::formatWithUnit(unit, immatureBalance, false, BitcoinUnits::separatorAlways));
 174     ui->labelTotal->setText(BitcoinUnits::formatWithUnit(unit, balance + unconfirmedBalance + immatureBalance, false, BitcoinUnits::separatorAlways));
 175     ui->labelWatchAvailable->setText(BitcoinUnits::formatWithUnit(unit, watchOnlyBalance, false, BitcoinUnits::separatorAlways));
 176     ui->labelWatchPending->setText(BitcoinUnits::formatWithUnit(unit, watchUnconfBalance, false, BitcoinUnits::separatorAlways));
 177     ui->labelWatchImmature->setText(BitcoinUnits::formatWithUnit(unit, watchImmatureBalance, false, BitcoinUnits::separatorAlways));
 178     ui->labelWatchTotal->setText(BitcoinUnits::formatWithUnit(unit, watchOnlyBalance + watchUnconfBalance + watchImmatureBalance, false, BitcoinUnits::separatorAlways));
 179
 180     // only show immature (newly mined) balance if it's non-zero, so as not to complicate things
 181     // for the non-mining users
 182     bool showImmature = immatureBalance != 0;
 183     bool showWatchOnlyImmature = watchImmatureBalance != 0;
 184
 185     // for symmetry reasons also show immature label when the watch-only one is shown
 186     ui->labelImmature->setVisible(showImmature || showWatchOnlyImmature);
 187     ui->labelImmatureText->setVisible(showImmature || showWatchOnlyImmature);
 188     ui->labelWatchImmature->setVisible(showWatchOnlyImmature); // show watch-only immature balance
 189 }
 190
 191 // show/hide watch-only labels
 192 void OverviewPage::updateWatchOnlyLabels(bool showWatchOnly)
 193 {
 194     ui->labelSpendable->setVisible(showWatchOnly);      // show spendable label (only when watch-only is active)
 195     ui->labelWatchonly->setVisible(showWatchOnly);      // show watch-only label
 196     ui->lineWatchBalance->setVisible(showWatchOnly);    // show watch-only balance separator line
 197     ui->labelWatchAvailable->setVisible(showWatchOnly); // show watch-only available balance
 198     ui->labelWatchPending->setVisible(showWatchOnly);   // show watch-only pending balance
 199     ui->labelWatchTotal->setVisible(showWatchOnly);     // show watch-only total balance
 200
 201     if (!showWatchOnly)
 202         ui->labelWatchImmature->hide();
 203 }
 204
 205 void OverviewPage::setClientModel(ClientModel *model)
 206 {
 207     this->clientModel = model;
 208     if(model)
 209     {
 210         // Show warning if this is a prerelease version
 211         connect(model, SIGNAL(alertsChanged(QString)), this, SLOT(updateAlerts(QString)));
 212         updateAlerts(model->getStatusBarWarnings());
 213     }
 214 }
 215
 216 void OverviewPage::setWalletModel(WalletModel *model)
 217 {
 218     this->walletModel = model;
 219     if(model && model->getOptionsModel())
 220     {
 221         // Set up transaction list
 222         filter.reset(new TransactionFilterProxy());
 223         filter->setSourceModel(model->getTransactionTableModel());
 224         filter->setLimit(NUM_ITEMS);
 225         filter->setDynamicSortFilter(true);
 226         filter->setSortRole(Qt::EditRole);
 227         filter->setShowInactive(false);
 228         filter->sort(TransactionTableModel::Date, Qt::DescendingOrder);
 229
 230         ui->listTransactions->setModel(filter.get());
 231         ui->listTransactions->setModelColumn(TransactionTableModel::ToAddress);
 232
 233         // Keep up to date with wallet
 234         setBalance(model->getBalance(), model->getUnconfirmedBalance(), model->getImmatureBalance(),
 235                    model->getWatchBalance(), model->getWatchUnconfirmedBalance(), model->getWatchImmatureBalance());
 236         connect(model, SIGNAL(balanceChanged(CAmount,CAmount,CAmount,CAmount,CAmount,CAmount)), this, SLOT(setBalance(CAmount,CAmount,CAmount,CAmount,CAmount,CAmount)));
 237
 238         connect(model->getOptionsModel(), SIGNAL(displayUnitChanged(int)), this, SLOT(updateDisplayUnit()));
 239
 240         updateWatchOnlyLabels(model->haveWatchOnly());
 241         connect(model, SIGNAL(notifyWatchonlyChanged(bool)), this, SLOT(updateWatchOnlyLabels(bool)));
 242     }
 243
 244     // update the display unit, to not use the default ("BTC")
 245     updateDisplayUnit();
 246 }
 247
 248 void OverviewPage::updateDisplayUnit()
 249 {
 250     if(walletModel && walletModel->getOptionsModel())
 251     {
 252         if(currentBalance != -1)
 253             setBalance(currentBalance, currentUnconfirmedBalance, currentImmatureBalance,
 254                        currentWatchOnlyBalance, currentWatchUnconfBalance, currentWatchImmatureBalance);
 255
 256         // Update txdelegate->unit with the current unit
 257         txdelegate->unit = walletModel->getOptionsModel()->getDisplayUnit();
 258
 259         ui->listTransactions->update();
 260     }
 261 }
 262
 263 void OverviewPage::updateAlerts(const QString &warnings)
 264 {
 265     this->ui->labelAlerts->setVisible(!warnings.isEmpty());
 266     this->ui->labelAlerts->setText(warnings);
 267 }
 268
 269 void OverviewPage::showOutOfSyncWarning(bool fShow)
 270 {
 271     ui->labelWalletStatus->setVisible(fShow);
 272     ui->labelTransactionsStatus->setVisible(fShow);
 273 }