gui: Add wallet name to address book page

Extend addresstablemodel to return the display name from the wallet and
set it to the addressbookpage window title when its  model is set.

src/qt/addressbookpage.cpp

@@ -81,9 +81,7 @@ AddressBookPage::AddressBookPage(const PlatformStyle *platformStyle, Mode _mode,
         ui->exportButton->setIcon(platformStyle->SingleColorIcon(":/icons/export"));
     }
 
-    switch(mode)
-    {
-    case ForSelection:
+    if (mode == ForSelection) {
         switch(tab)
         {
         case SendingTab: setWindowTitle(tr("Choose the address to send coins to")); break;
@@ -94,14 +92,6 @@ AddressBookPage::AddressBookPage(const PlatformStyle *platformStyle, Mode _mode,
         ui->tableView->setFocus();
         ui->closeButton->setText(tr("C&hoose"));
         ui->exportButton->hide();
-        break;
-    case ForEditing:
-        switch(tab)
-        {
-        case SendingTab: setWindowTitle(tr("Sending addresses")); break;
-        case ReceivingTab: setWindowTitle(tr("Receiving addresses")); break;
-        }
-        break;
     }
     switch(tab)
     {
@@ -164,6 +154,7 @@ void AddressBookPage::setModel(AddressTableModel *_model)
     connect(_model, &AddressTableModel::rowsInserted, this, &AddressBookPage::selectNewAddress);
 
     selectionChanged();
+    this->updateWindowsTitleWithWalletName();
 }
 
 void AddressBookPage::on_copyAddress_clicked()
@@ -328,3 +319,16 @@ void AddressBookPage::selectNewAddress(const QModelIndex &parent, int begin, int
         newAddressToSelect.clear();
     }
 }
+
+void AddressBookPage::updateWindowsTitleWithWalletName()
+{
+    const QString walletName = this->model->GetWalletDisplayName();
+
+    if (mode == ForEditing) {
+        switch(tab)
+        {
+        case SendingTab: setWindowTitle(tr("Sending addresses - %1").arg(walletName)); break;
+        case ReceivingTab: setWindowTitle(tr("Receiving addresses - %1").arg(walletName)); break;
+        }
+    }
+}

src/qt/addressbookpage.h

@@ -56,6 +56,7 @@ private:
     AddressBookSortFilterProxyModel *proxyModel;
     QMenu *contextMenu;
     QString newAddressToSelect;
+    void updateWindowsTitleWithWalletName();
 
 private Q_SLOTS:
     /** Delete currently selected address entry */

src/qt/addresstablemodel.cpp

@@ -451,3 +451,5 @@ void AddressTableModel::emitDataChanged(int idx)
 {
     Q_EMIT dataChanged(index(idx, 0, QModelIndex()), index(idx, columns.length()-1, QModelIndex()));
 }
+
+QString AddressTableModel::GetWalletDisplayName() const { return walletModel->getDisplayName(); };

src/qt/addresstablemodel.h

@@ -87,6 +87,8 @@ public:
 
     OutputType GetDefaultAddressType() const;
 
+    QString GetWalletDisplayName() const;
+
 private:
     WalletModel* const walletModel;
     AddressTablePriv *priv = nullptr;