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 <QDebug>
  13 #include <QItemDelegate>
  14 #include <QPainter>
  15
  16 #define DECORATION_SIZE 64
  17 class TxViewDelegate : public QItemDelegate
  18 {
  19     //Q_OBJECT
  20 public:
  21     TxViewDelegate(): QItemDelegate(), unit(BitcoinUnits::BTC)
  22     {
  23
  24     }
  25
  26     inline void paint(QPainter *painter, const QStyleOptionViewItem &option,
  27                       const QModelIndex &index ) const
  28     {
  29         //QItemDelegate::paint(painter, option, index);
  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
  61         {
  62             foreground = option.palette.color(QPalette::Text);
  63         }
  64         painter->setPen(foreground);
  65         QString amountText = BitcoinUnits::formatWithUnit(unit, amount, true);
  66         if(!confirmed)
  67         {
  68             amountText = QString("[") + amountText + QString("]");
  69         }
  70         painter->drawText(amountRect, Qt::AlignRight|Qt::AlignVCenter, amountText);
  71
  72         painter->setPen(option.palette.color(QPalette::Text));
  73         painter->drawText(amountRect, Qt::AlignLeft|Qt::AlignVCenter, GUIUtil::DateTimeStr(date));
  74
  75         painter->restore();
  76     }
  77
  78     int unit;
  79
  80 };
  81
  82 OverviewPage::OverviewPage(QWidget *parent) :
  83     QWidget(parent),
  84     ui(new Ui::OverviewPage),
  85     currentBalance(-1),
  86     currentUnconfirmedBalance(-1),
  87     txdelegate(new TxViewDelegate())
  88 {
  89     ui->setupUi(this);
  90
  91     // Balance: <balance>
  92     ui->labelBalance->setFont(QFont("Monospace", -1, QFont::Bold));
  93     ui->labelBalance->setToolTip(tr("Your current balance"));
  94     ui->labelBalance->setTextInteractionFlags(Qt::TextSelectableByMouse|Qt::TextSelectableByKeyboard);
  95
  96     // Balance: <balance>
  97     ui->labelUnconfirmed->setFont(QFont("Monospace", -1, QFont::Bold));
  98     ui->labelUnconfirmed->setToolTip(tr("Balance of transactions that have yet to be confirmed"));
  99     ui->labelUnconfirmed->setTextInteractionFlags(Qt::TextSelectableByMouse|Qt::TextSelectableByKeyboard);
 100
 101     ui->labelNumTransactions->setToolTip(tr("Total number of transactions in wallet"));
 102
 103     // Recent transactions
 104     ui->listTransactions->setStyleSheet("background:transparent");
 105     ui->listTransactions->setItemDelegate(txdelegate);
 106     ui->listTransactions->setIconSize(QSize(DECORATION_SIZE, DECORATION_SIZE));
 107     ui->listTransactions->setSelectionMode(QAbstractItemView::NoSelection);
 108 }
 109
 110 OverviewPage::~OverviewPage()
 111 {
 112     delete ui;
 113 }
 114
 115 void OverviewPage::setBalance(qint64 balance, qint64 unconfirmedBalance)
 116 {
 117     int unit = model->getOptionsModel()->getDisplayUnit();
 118     currentBalance = balance;
 119     currentUnconfirmedBalance = unconfirmedBalance;
 120     ui->labelBalance->setText(BitcoinUnits::formatWithUnit(unit, balance));
 121     ui->labelUnconfirmed->setText(BitcoinUnits::formatWithUnit(unit, unconfirmedBalance));
 122 }
 123
 124 void OverviewPage::setNumTransactions(int count)
 125 {
 126     ui->labelNumTransactions->setText(QLocale::system().toString(count));
 127 }
 128
 129 void OverviewPage::setModel(WalletModel *model)
 130 {
 131     this->model = model;
 132
 133     // Set up transaction list
 134
 135     TransactionFilterProxy *filter = new TransactionFilterProxy();
 136     filter->setSourceModel(model->getTransactionTableModel());
 137     filter->setLimit(3);
 138     filter->setDynamicSortFilter(true);
 139     filter->setSortRole(Qt::EditRole);
 140     filter->sort(TransactionTableModel::Status, Qt::DescendingOrder);
 141
 142     ui->listTransactions->setModel(filter);
 143     ui->listTransactions->setModelColumn(TransactionTableModel::ToAddress);
 144
 145     // Keep up to date with wallet
 146     setBalance(model->getBalance(), model->getUnconfirmedBalance());
 147     connect(model, SIGNAL(balanceChanged(qint64, qint64)), this, SLOT(setBalance(qint64, qint64)));
 148
 149     setNumTransactions(model->getNumTransactions());
 150     connect(model, SIGNAL(numTransactionsChanged(int)), this, SLOT(setNumTransactions(int)));
 151
 152     connect(model->getOptionsModel(), SIGNAL(displayUnitChanged(int)), this, SLOT(displayUnitChanged()));
 153 }
 154
 155 void OverviewPage::displayUnitChanged()
 156 {
 157     if(currentBalance != -1)
 158         setBalance(currentBalance, currentUnconfirmedBalance);
 159
 160     txdelegate->unit = model->getOptionsModel()->getDisplayUnit();
 161     ui->listTransactions->update();
 162 }