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 #define NUM_ITEMS 3
  18
  19 class TxViewDelegate : public QItemDelegate
  20 {
  21     //Q_OBJECT
  22 public:
  23     TxViewDelegate(): QItemDelegate(), unit(BitcoinUnits::BTC)
  24     {
  25
  26     }
  27
  28     inline void paint(QPainter *painter, const QStyleOptionViewItem &option,
  29                       const QModelIndex &index ) const
  30     {
  31         //QItemDelegate::paint(painter, option, index);
  32         painter->save();
  33
  34         QIcon icon = qvariant_cast<QIcon>(index.data(Qt::DecorationRole));
  35         QRect mainRect = option.rect;
  36         QRect decorationRect(mainRect.topLeft(), QSize(DECORATION_SIZE, DECORATION_SIZE));
  37         int xspace = DECORATION_SIZE + 8;
  38         int ypad = 6;
  39         int halfheight = (mainRect.height() - 2*ypad)/2;
  40         QRect amountRect(mainRect.left() + xspace, mainRect.top()+ypad, mainRect.width() - xspace, halfheight);
  41         QRect addressRect(mainRect.left() + xspace, mainRect.top()+ypad+halfheight, mainRect.width() - xspace, halfheight);
  42         icon.paint(painter, decorationRect);
  43
  44         QDateTime date = index.data(TransactionTableModel::DateRole).toDateTime();
  45         QString address = index.data(Qt::DisplayRole).toString();
  46         qint64 amount = index.data(TransactionTableModel::AmountRole).toLongLong();
  47         bool confirmed = index.data(TransactionTableModel::ConfirmedRole).toBool();
  48         QVariant value = index.data(Qt::ForegroundRole);
  49         QColor foreground = option.palette.color(QPalette::Text);
  50         if(qVariantCanConvert<QColor>(value))
  51         {
  52             foreground = qvariant_cast<QColor>(value);
  53         }
  54
  55         painter->setPen(foreground);
  56         painter->drawText(addressRect, Qt::AlignLeft|Qt::AlignVCenter, address);
  57
  58         if(amount < 0)
  59         {
  60             foreground = COLOR_NEGATIVE;
  61         }
  62         else if(!confirmed)
  63         {
  64             foreground = COLOR_UNCONFIRMED;
  65         }
  66         else
  67         {
  68             foreground = option.palette.color(QPalette::Text);
  69         }
  70         painter->setPen(foreground);
  71         QString amountText = BitcoinUnits::formatWithUnit(unit, amount, true);
  72         if(!confirmed)
  73         {
  74             amountText = QString("[") + amountText + QString("]");
  75         }
  76         painter->drawText(amountRect, Qt::AlignRight|Qt::AlignVCenter, amountText);
  77
  78         painter->setPen(option.palette.color(QPalette::Text));
  79         painter->drawText(amountRect, Qt::AlignLeft|Qt::AlignVCenter, GUIUtil::DateTimeStr(date));
  80
  81         painter->restore();
  82     }
  83
  84     int unit;
  85
  86 };
  87
  88 OverviewPage::OverviewPage(QWidget *parent) :
  89     QWidget(parent),
  90     ui(new Ui::OverviewPage),
  91     currentBalance(-1),
  92     currentUnconfirmedBalance(-1),
  93     txdelegate(new TxViewDelegate())
  94 {
  95     ui->setupUi(this);
  96
  97     // Balance: <balance>
  98     ui->labelBalance->setFont(QFont("Monospace", -1, QFont::Bold));
  99     ui->labelBalance->setToolTip(tr("Your current balance"));
 100     ui->labelBalance->setTextInteractionFlags(Qt::TextSelectableByMouse|Qt::TextSelectableByKeyboard);
 101
 102     // Balance: <balance>
 103     ui->labelUnconfirmed->setFont(QFont("Monospace", -1, QFont::Bold));
 104     ui->labelUnconfirmed->setToolTip(tr("Balance of transactions that have yet to be confirmed"));
 105     ui->labelUnconfirmed->setTextInteractionFlags(Qt::TextSelectableByMouse|Qt::TextSelectableByKeyboard);
 106
 107     ui->labelNumTransactions->setToolTip(tr("Total number of transactions in wallet"));
 108
 109     // Recent transactions
 110     ui->listTransactions->setStyleSheet("background:transparent");
 111     ui->listTransactions->setItemDelegate(txdelegate);
 112     ui->listTransactions->setIconSize(QSize(DECORATION_SIZE, DECORATION_SIZE));
 113     ui->listTransactions->setSelectionMode(QAbstractItemView::NoSelection);
 114     ui->listTransactions->setMinimumHeight(NUM_ITEMS * (DECORATION_SIZE + 2));
 115 }
 116
 117 OverviewPage::~OverviewPage()
 118 {
 119     delete ui;
 120 }
 121
 122 void OverviewPage::setBalance(qint64 balance, qint64 unconfirmedBalance)
 123 {
 124     int unit = model->getOptionsModel()->getDisplayUnit();
 125     currentBalance = balance;
 126     currentUnconfirmedBalance = unconfirmedBalance;
 127     ui->labelBalance->setText(BitcoinUnits::formatWithUnit(unit, balance));
 128     ui->labelUnconfirmed->setText(BitcoinUnits::formatWithUnit(unit, unconfirmedBalance));
 129 }
 130
 131 void OverviewPage::setNumTransactions(int count)
 132 {
 133     ui->labelNumTransactions->setText(QLocale::system().toString(count));
 134 }
 135
 136 void OverviewPage::setModel(WalletModel *model)
 137 {
 138     this->model = model;
 139
 140     // Set up transaction list
 141
 142     TransactionFilterProxy *filter = new TransactionFilterProxy();
 143     filter->setSourceModel(model->getTransactionTableModel());
 144     filter->setLimit(NUM_ITEMS);
 145     filter->setDynamicSortFilter(true);
 146     filter->setSortRole(Qt::EditRole);
 147     filter->sort(TransactionTableModel::Status, Qt::DescendingOrder);
 148
 149     ui->listTransactions->setModel(filter);
 150     ui->listTransactions->setModelColumn(TransactionTableModel::ToAddress);
 151
 152     // Keep up to date with wallet
 153     setBalance(model->getBalance(), model->getUnconfirmedBalance());
 154     connect(model, SIGNAL(balanceChanged(qint64, qint64)), this, SLOT(setBalance(qint64, qint64)));
 155
 156     setNumTransactions(model->getNumTransactions());
 157     connect(model, SIGNAL(numTransactionsChanged(int)), this, SLOT(setNumTransactions(int)));
 158
 159     connect(model->getOptionsModel(), SIGNAL(displayUnitChanged(int)), this, SLOT(displayUnitChanged()));
 160 }
 161
 162 void OverviewPage::displayUnitChanged()
 163 {
 164     if(currentBalance != -1)
 165         setBalance(currentBalance, currentUnconfirmedBalance);
 166
 167     txdelegate->unit = model->getOptionsModel()->getDisplayUnit();
 168     ui->listTransactions->update();
 169 }