src/qt/overviewpage.cpp

   1 #include "overviewpage.h"
   2 #include "ui_overviewpage.h"
   3
   4 #include "walletmodel.h"
   5 #include "bitcoinunits.h"
   6 #include "optionsmodel.h"
   7 #include "transactiontablemodel.h"
   8 #include "transactionfilterproxy.h"
   9 #include "guiutil.h"
  10 #include "guiconstants.h"
  11
  12 #include <QAbstractItemDelegate>
  13 #include <QPainter>
  14
  15 #define DECORATION_SIZE 64
  16 #define NUM_ITEMS 3
  17
  18 class TxViewDelegate : public QAbstractItemDelegate
  19 {
  20     Q_OBJECT
  21 public:
  22     TxViewDelegate(): QAbstractItemDelegate(), unit(BitcoinUnits::BTC)
  23     {
  24
  25     }
  26
  27     inline void paint(QPainter *painter, const QStyleOptionViewItem &option,
  28                       const QModelIndex &index ) const
  29     {
  30         painter->save();
  31
  32         QIcon icon = qvariant_cast<QIcon>(index.data(Qt::DecorationRole));
  33         QRect mainRect = option.rect;
  34         QRect decorationRect(mainRect.topLeft(), QSize(DECORATION_SIZE, DECORATION_SIZE));
  35         int xspace = DECORATION_SIZE + 8;
  36         int ypad = 6;
  37         int halfheight = (mainRect.height() - 2*ypad)/2;
  38         QRect amountRect(mainRect.left() + xspace, mainRect.top()+ypad, mainRect.width() - xspace, halfheight);
  39         QRect addressRect(mainRect.left() + xspace, mainRect.top()+ypad+halfheight, mainRect.width() - xspace, halfheight);
  40         icon.paint(painter, decorationRect);
  41
  42         QDateTime date = index.data(TransactionTableModel::DateRole).toDateTime();
  43         QString address = index.data(Qt::DisplayRole).toString();
  44         qint64 amount = index.data(TransactionTableModel::AmountRole).toLongLong();
  45         bool confirmed = index.data(TransactionTableModel::ConfirmedRole).toBool();
  46         QVariant value = index.data(Qt::ForegroundRole);
  47         QColor foreground = option.palette.color(QPalette::Text);
  48         if(qVariantCanConvert<QColor>(value))
  49         {
  50             foreground = qvariant_cast<QColor>(value);
  51         }
  52
  53         painter->setPen(foreground);
  54         painter->drawText(addressRect, Qt::AlignLeft|Qt::AlignVCenter, address);
  55
  56         if(amount < 0)
  57         {
  58             foreground = COLOR_NEGATIVE;
  59         }
  60         else if(!confirmed)
  61         {
  62             foreground = COLOR_UNCONFIRMED;
  63         }
  64         else
  65         {
  66             foreground = option.palette.color(QPalette::Text);
  67         }
  68         painter->setPen(foreground);
  69         QString amountText = BitcoinUnits::formatWithUnit(unit, amount, true);
  70         if(!confirmed)
  71         {
  72             amountText = QString("[") + amountText + QString("]");
  73         }
  74         painter->drawText(amountRect, Qt::AlignRight|Qt::AlignVCenter, amountText);
  75
  76         painter->setPen(option.palette.color(QPalette::Text));
  77         painter->drawText(amountRect, Qt::AlignLeft|Qt::AlignVCenter, GUIUtil::dateTimeStr(date));
  78
  79         painter->restore();
  80     }
  81
  82     inline QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
  83     {
  84         return QSize(DECORATION_SIZE, DECORATION_SIZE);
  85     }
  86
  87     int unit;
  88
  89 };
  90 #include "overviewpage.moc"
  91
  92 OverviewPage::OverviewPage(QWidget *parent) :
  93     QWidget(parent),
  94     ui(new Ui::OverviewPage),
  95     currentBalance(-1),
  96     currentStake(0),
  97     currentUnconfirmedBalance(-1),
  98     currentImmatureBalance(-1),
  99     txdelegate(new TxViewDelegate()),
 100     filter(0)
 101 {
 102     ui->setupUi(this);
 103
 104     // Recent transactions
 105     ui->listTransactions->setItemDelegate(txdelegate);
 106     ui->listTransactions->setIconSize(QSize(DECORATION_SIZE, DECORATION_SIZE));
 107     ui->listTransactions->setMinimumHeight(NUM_ITEMS * (DECORATION_SIZE + 2));
 108     ui->listTransactions->setAttribute(Qt::WA_MacShowFocusRect, false);
 109
 110     connect(ui->listTransactions, SIGNAL(clicked(QModelIndex)), this, SLOT(handleTransactionClicked(QModelIndex)));
 111
 112     // init "out of sync" warning labels
 113     ui->labelWalletStatus->setText("(" + tr("out of sync") + ")");
 114     ui->labelTransactionsStatus->setText("(" + tr("out of sync") + ")");
 115
 116     // start with displaying the "out of sync" warnings
 117     showOutOfSyncWarning(true);
 118 }
 119
 120 void OverviewPage::handleTransactionClicked(const QModelIndex &index)
 121 {
 122     if(filter)
 123         emit transactionClicked(filter->mapToSource(index));
 124 }
 125
 126 OverviewPage::~OverviewPage()
 127 {
 128     delete ui;
 129 }
 130
 131 void OverviewPage::setBalance(qint64 balance, qint64 stake, qint64 unconfirmedBalance, qint64 immatureBalance)
 132 {
 133     int unit = model->getOptionsModel()->getDisplayUnit();
 134     currentBalance = balance;
 135     currentStake = stake;
 136     currentUnconfirmedBalance = unconfirmedBalance;
 137     currentImmatureBalance = immatureBalance;
 138     ui->labelBalance->setText(BitcoinUnits::formatWithUnit(unit, balance));
 139     ui->labelStake->setText(BitcoinUnits::formatWithUnit(unit, stake));
 140     ui->labelUnconfirmed->setText(BitcoinUnits::formatWithUnit(unit, unconfirmedBalance));
 141     ui->labelImmature->setText(BitcoinUnits::formatWithUnit(unit, immatureBalance));
 142
 143     // only show immature (newly mined) balance if it's non-zero, so as not to complicate things
 144     // for the non-mining users
 145     bool showImmature = immatureBalance != 0;
 146     ui->labelImmature->setVisible(showImmature);
 147     ui->labelImmatureText->setVisible(showImmature);
 148 }
 149
 150 void OverviewPage::setNumTransactions(int count)
 151 {
 152     ui->labelNumTransactions->setText(QLocale::system().toString(count));
 153 }
 154
 155 void OverviewPage::setModel(WalletModel *model)
 156 {
 157     this->model = model;
 158     if(model && model->getOptionsModel())
 159     {
 160         // Set up transaction list
 161         filter = new TransactionFilterProxy();
 162         filter->setSourceModel(model->getTransactionTableModel());
 163         filter->setLimit(NUM_ITEMS);
 164         filter->setDynamicSortFilter(true);
 165 //        filter->setSortRole(Qt::EditRole);
 166         filter->setSortRole(TransactionTableModel::DateRole);
 167         filter->sort(TransactionTableModel::Status, Qt::DescendingOrder);
 168
 169         ui->listTransactions->setModel(filter);
 170         ui->listTransactions->setModelColumn(TransactionTableModel::ToAddress);
 171
 172         // Keep up to date with wallet
 173         setBalance(model->getBalance(), model->getStake(), model->getUnconfirmedBalance(), model->getImmatureBalance());
 174         connect(model, SIGNAL(balanceChanged(qint64, qint64, qint64, qint64)), this, SLOT(setBalance(qint64, qint64, qint64, qint64)));
 175
 176         setNumTransactions(model->getNumTransactions());
 177         connect(model, SIGNAL(numTransactionsChanged(int)), this, SLOT(setNumTransactions(int)));
 178
 179         connect(model->getOptionsModel(), SIGNAL(displayUnitChanged(int)), this, SLOT(updateDisplayUnit()));
 180     }
 181
 182     // update the display unit, to not use the default ("BTC")
 183     updateDisplayUnit();
 184 }
 185
 186 void OverviewPage::updateDisplayUnit()
 187 {
 188     if(model && model->getOptionsModel())
 189     {
 190         if(currentBalance != -1)
 191             setBalance(currentBalance, model->getStake(), currentUnconfirmedBalance, currentImmatureBalance);
 192
 193         // Update txdelegate->unit with the current unit
 194         txdelegate->unit = model->getOptionsModel()->getDisplayUnit();
 195
 196         ui->listTransactions->update();
 197     }
 198 }
 199
 200 void OverviewPage::showOutOfSyncWarning(bool fShow)
 201 {
 202     ui->labelWalletStatus->setVisible(fShow);
 203     ui->labelTransactionsStatus->setVisible(fShow);
 204 }