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 <QAbstractItemDelegate>
  14 #include <QPainter>
  15
  16 #define DECORATION_SIZE 64
  17 #define NUM_ITEMS 3
  18
  19 class TxViewDelegate : public QAbstractItemDelegate
  20 {
  21     //Q_OBJECT
  22 public:
  23     TxViewDelegate(): QAbstractItemDelegate(), unit(BitcoinUnits::BTC)
  24     {
  25
  26     }
  27
  28     inline void paint(QPainter *painter, const QStyleOptionViewItem &option,
  29                       const QModelIndex &index ) const
  30     {
  31         painter->save();
  32
  33         QIcon icon = qvariant_cast<QIcon>(index.data(Qt::DecorationRole));
  34         QRect mainRect = option.rect;
  35         QRect decorationRect(mainRect.topLeft(), QSize(DECORATION_SIZE, DECORATION_SIZE));
  36         int xspace = DECORATION_SIZE + 8;
  37         int ypad = 6;
  38         int halfheight = (mainRect.height() - 2*ypad)/2;
  39         QRect amountRect(mainRect.left() + xspace, mainRect.top()+ypad, mainRect.width() - xspace, halfheight);
  40         QRect addressRect(mainRect.left() + xspace, mainRect.top()+ypad+halfheight, mainRect.width() - xspace, halfheight);
  41         icon.paint(painter, decorationRect);
  42
  43         QDateTime date = index.data(TransactionTableModel::DateRole).toDateTime();
  44         QString address = index.data(Qt::DisplayRole).toString();
  45         qint64 amount = index.data(TransactionTableModel::AmountRole).toLongLong();
  46         bool confirmed = index.data(TransactionTableModel::ConfirmedRole).toBool();
  47         QVariant value = index.data(Qt::ForegroundRole);
  48         QColor foreground = option.palette.color(QPalette::Text);
  49         if(qVariantCanConvert<QColor>(value))
  50         {
  51             foreground = qvariant_cast<QColor>(value);
  52         }
  53
  54         painter->setPen(foreground);
  55         painter->drawText(addressRect, Qt::AlignLeft|Qt::AlignVCenter, address);
  56
  57         if(amount < 0)
  58         {
  59             foreground = COLOR_NEGATIVE;
  60         }
  61         else if(!confirmed)
  62         {
  63             foreground = COLOR_UNCONFIRMED;
  64         }
  65         else
  66         {
  67             foreground = option.palette.color(QPalette::Text);
  68         }
  69         painter->setPen(foreground);
  70         QString amountText = BitcoinUnits::formatWithUnit(unit, amount, true);
  71         if(!confirmed)
  72         {
  73             amountText = QString("[") + amountText + QString("]");
  74         }
  75         painter->drawText(amountRect, Qt::AlignRight|Qt::AlignVCenter, amountText);
  76
  77         painter->setPen(option.palette.color(QPalette::Text));
  78         painter->drawText(amountRect, Qt::AlignLeft|Qt::AlignVCenter, GUIUtil::DateTimeStr(date));
  79
  80         painter->restore();
  81     }
  82
  83     inline QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
  84     {
  85         return QSize(DECORATION_SIZE, DECORATION_SIZE);
  86     }
  87
  88     int unit;
  89
  90 };
  91
  92 OverviewPage::OverviewPage(QWidget *parent) :
  93     QWidget(parent),
  94     ui(new Ui::OverviewPage),
  95     currentBalance(-1),
  96     currentUnconfirmedBalance(-1),
  97     txdelegate(new TxViewDelegate())
  98 {
  99     ui->setupUi(this);
 100
 101     // Balance: <balance>
 102     ui->labelBalance->setFont(QFont("Monospace", -1, QFont::Bold));
 103     ui->labelBalance->setToolTip(tr("Your current balance"));
 104     ui->labelBalance->setTextInteractionFlags(Qt::TextSelectableByMouse|Qt::TextSelectableByKeyboard);
 105
 106     // Balance: <balance>
 107     ui->labelUnconfirmed->setFont(QFont("Monospace", -1, QFont::Bold));
 108     ui->labelUnconfirmed->setToolTip(tr("Balance of transactions that have yet to be confirmed"));
 109     ui->labelUnconfirmed->setTextInteractionFlags(Qt::TextSelectableByMouse|Qt::TextSelectableByKeyboard);
 110
 111     ui->labelNumTransactions->setToolTip(tr("Total number of transactions in wallet"));
 112
 113     // Recent transactions
 114     ui->listTransactions->setStyleSheet("background:transparent");
 115     ui->listTransactions->setItemDelegate(txdelegate);
 116     ui->listTransactions->setIconSize(QSize(DECORATION_SIZE, DECORATION_SIZE));
 117     ui->listTransactions->setSelectionMode(QAbstractItemView::NoSelection);
 118     ui->listTransactions->setMinimumHeight(NUM_ITEMS * (DECORATION_SIZE + 2));
 119 }
 120
 121 OverviewPage::~OverviewPage()
 122 {
 123     delete ui;
 124 }
 125
 126 void OverviewPage::setBalance(qint64 balance, qint64 unconfirmedBalance)
 127 {
 128     int unit = model->getOptionsModel()->getDisplayUnit();
 129     currentBalance = balance;
 130     currentUnconfirmedBalance = unconfirmedBalance;
 131     ui->labelBalance->setText(BitcoinUnits::formatWithUnit(unit, balance));
 132     ui->labelUnconfirmed->setText(BitcoinUnits::formatWithUnit(unit, unconfirmedBalance));
 133 }
 134
 135 void OverviewPage::setNumTransactions(int count)
 136 {
 137     ui->labelNumTransactions->setText(QLocale::system().toString(count));
 138 }
 139
 140 void OverviewPage::setModel(WalletModel *model)
 141 {
 142     this->model = model;
 143
 144     // Set up transaction list
 145
 146     TransactionFilterProxy *filter = new TransactionFilterProxy();
 147     filter->setSourceModel(model->getTransactionTableModel());
 148     filter->setLimit(NUM_ITEMS);
 149     filter->setDynamicSortFilter(true);
 150     filter->setSortRole(Qt::EditRole);
 151     filter->sort(TransactionTableModel::Status, Qt::DescendingOrder);
 152
 153     ui->listTransactions->setModel(filter);
 154     ui->listTransactions->setModelColumn(TransactionTableModel::ToAddress);
 155
 156     // Keep up to date with wallet
 157     setBalance(model->getBalance(), model->getUnconfirmedBalance());
 158     connect(model, SIGNAL(balanceChanged(qint64, qint64)), this, SLOT(setBalance(qint64, qint64)));
 159
 160     setNumTransactions(model->getNumTransactions());
 161     connect(model, SIGNAL(numTransactionsChanged(int)), this, SLOT(setNumTransactions(int)));
 162
 163     connect(model->getOptionsModel(), SIGNAL(displayUnitChanged(int)), this, SLOT(displayUnitChanged()));
 164 }
 165
 166 void OverviewPage::displayUnitChanged()
 167 {
 168     if(currentBalance != -1)
 169         setBalance(currentBalance, currentUnconfirmedBalance);
 170
 171     txdelegate->unit = model->getOptionsModel()->getDisplayUnit();
 172     ui->listTransactions->update();
 173 }