text: // Copyright (c) 2011-2016 The Bitcoin Core developers
  // Distributed under the MIT software license, see the accompanying
  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
  
  #include <qt/walletframe.h>
  
  #include <qt/bitcoingui.h>
  #include <qt/walletmodel.h>
  #include <qt/walletview.h>
  
  #include <QHBoxLayout>
  #include <QLabel>
  
  #include <cassert>
  #include <cstdio>
  
  WalletFrame::WalletFrame(const PlatformStyle *_platformStyle,
                           const Config *configIn, BitcoinGUI *_gui)
      : QFrame(_gui), gui(_gui), platformStyle(_platformStyle), config(configIn) {
      // Leave HBox hook for adding a list view later
      QHBoxLayout *walletFrameLayout = new QHBoxLayout(this);
      setContentsMargins(0, 0, 0, 0);
      walletStack = new QStackedWidget(this);
      walletFrameLayout->setContentsMargins(0, 0, 0, 0);
      walletFrameLayout->addWidget(walletStack);
  
      QLabel *noWallet = new QLabel(tr("No wallet has been loaded."));
      noWallet->setAlignment(Qt::AlignCenter);
      walletStack->addWidget(noWallet);
  }
  
  WalletFrame::~WalletFrame() {}
  
  void WalletFrame::setClientModel(ClientModel *_clientModel) {
      this->clientModel = _clientModel;
  }
  
  bool WalletFrame::addWallet(WalletModel *walletModel) {
      if (!gui || !clientModel || !walletModel) {
          return false;
      }
  
      const QString name = walletModel->getWalletName();
      if (mapWalletViews.count(name) > 0) {
          return false;
      }
  
      WalletView *walletView = new WalletView(platformStyle, config, this);
      walletView->setBitcoinGUI(gui);
      walletView->setClientModel(clientModel);
      walletView->setWalletModel(walletModel);
      walletView->showOutOfSyncWarning(bOutOfSync);
  
      /* TODO we should goto the currently selected page once dynamically adding
       * wallets is supported */
      walletView->gotoOverviewPage();
      walletStack->addWidget(walletView);
      mapWalletViews[name] = walletView;
  
      // Ensure a walletView is able to show the main window
      connect(walletView, SIGNAL(showNormalIfMinimized()), gui,
              SLOT(showNormalIfMinimized()));
  
      connect(walletView, SIGNAL(outOfSyncWarningClicked()), this,
              SLOT(outOfSyncWarningClicked()));
  
      return true;
  }
  
  bool WalletFrame::setCurrentWallet(const QString &name) {
      if (mapWalletViews.count(name) == 0) return false;
  
      WalletView *walletView = mapWalletViews.value(name);
      walletStack->setCurrentWidget(walletView);
      assert(walletView);
      walletView->updateEncryptionStatus();
      return true;
  }
  
  bool WalletFrame::removeWallet(const QString &name) {
      if (mapWalletViews.count(name) == 0) return false;
  
      WalletView *walletView = mapWalletViews.take(name);
      walletStack->removeWidget(walletView);
      return true;
  }
  
  void WalletFrame::removeAllWallets() {
      QMap<QString, WalletView *>::const_iterator i;
      for (i = mapWalletViews.constBegin(); i != mapWalletViews.constEnd(); ++i)
          walletStack->removeWidget(i.value());
      mapWalletViews.clear();
  }
  
  bool WalletFrame::handlePaymentRequest(const SendCoinsRecipient &recipient) {
      WalletView *walletView = currentWalletView();
      if (!walletView) return false;
  
      return walletView->handlePaymentRequest(recipient);
  }
  
  void WalletFrame::showOutOfSyncWarning(bool fShow) {
      bOutOfSync = fShow;
      QMap<QString, WalletView *>::const_iterator i;
      for (i = mapWalletViews.constBegin(); i != mapWalletViews.constEnd(); ++i)
          i.value()->showOutOfSyncWarning(fShow);
  }
  
  void WalletFrame::gotoOverviewPage() {
      QMap<QString, WalletView *>::const_iterator i;
      for (i = mapWalletViews.constBegin(); i != mapWalletViews.constEnd(); ++i)
          i.value()->gotoOverviewPage();
  }
  
  void WalletFrame::gotoHistoryPage() {
      QMap<QString, WalletView *>::const_iterator i;
      for (i = mapWalletViews.constBegin(); i != mapWalletViews.constEnd(); ++i)
          i.value()->gotoHistoryPage();
  }
  
  void WalletFrame::gotoReceiveCoinsPage() {
      QMap<QString, WalletView *>::const_iterator i;
      for (i = mapWalletViews.constBegin(); i != mapWalletViews.constEnd(); ++i)
          i.value()->gotoReceiveCoinsPage();
  }
  
  void WalletFrame::gotoSendCoinsPage(QString addr) {
      QMap<QString, WalletView *>::const_iterator i;
      for (i = mapWalletViews.constBegin(); i != mapWalletViews.constEnd(); ++i)
          i.value()->gotoSendCoinsPage(addr);
  }
  
  void WalletFrame::gotoSignMessageTab(QString addr) {
      WalletView *walletView = currentWalletView();
      if (walletView) walletView->gotoSignMessageTab(addr);
  }
  
  void WalletFrame::gotoVerifyMessageTab(QString addr) {
      WalletView *walletView = currentWalletView();
      if (walletView) walletView->gotoVerifyMessageTab(addr);
  }
  
  void WalletFrame::encryptWallet(bool status) {
      WalletView *walletView = currentWalletView();
      if (walletView) walletView->encryptWallet(status);
  }
  
  void WalletFrame::backupWallet() {
      WalletView *walletView = currentWalletView();
      if (walletView) walletView->backupWallet();
  }
  
  void WalletFrame::changePassphrase() {
      WalletView *walletView = currentWalletView();
      if (walletView) walletView->changePassphrase();
  }
  
  void WalletFrame::unlockWallet() {
      WalletView *walletView = currentWalletView();
      if (walletView) walletView->unlockWallet();
  }
  
  void WalletFrame::usedSendingAddresses() {
      WalletView *walletView = currentWalletView();
      if (walletView) walletView->usedSendingAddresses();
  }
  
  void WalletFrame::usedReceivingAddresses() {
      WalletView *walletView = currentWalletView();
      if (walletView) walletView->usedReceivingAddresses();
  }
  
  WalletView *WalletFrame::currentWalletView() {
      return qobject_cast<WalletView *>(walletStack->currentWidget());
  }
  
  void WalletFrame::outOfSyncWarningClicked() {
      Q_EMIT requestedSyncWarningInfo();
  }
  