Add GUI to import private keys

Addresses GH #1808.

There are several possible future improvements:

 * add a new icon for key import

 * reduce duplication of code between the RPC private key importer and
 the GUI private key importer

 * improving error messages for various error states

1 files changed, 7 insertions, 0 deletions

diff --git a/src/qt/walletview.h b/src/qt/walletview.h
index 67d163fa0..bd581e124 100644
--- a/src/qt/walletview.h
+++ b/src/qt/walletview.h
@@ -19,6 +19,7 @@ class SendCoinsRecipient;
 class TransactionView;
 class WalletModel;
 class AddressBookPage;
+class ImportKeysDialog;
 
 QT_BEGIN_NAMESPACE
 class QModelIndex;
@@ -64,6 +65,7 @@ private:
     SendCoinsDialog *sendCoinsPage;
     AddressBookPage *usedSendingAddressesPage;
     AddressBookPage *usedReceivingAddressesPage;
+    ImportKeysDialog *importKeysDialog;
 
     TransactionView *transactionView;
 
@@ -75,6 +77,8 @@ public Q_SLOTS:
     void gotoOverviewPage();
     /** Switch to history (transactions) page */
     void gotoHistoryPage();
+    /** Switch to import keys dialog */
+    void gotoImportKeysDialog();
     /** Switch to receive coins page */
     void gotoReceiveCoinsPage();
     /** Switch to send coins page */
@@ -106,6 +110,9 @@ public Q_SLOTS:
     /** Show used receiving addresses */
     void usedReceivingAddresses();
 
+    /** Import a private key */
+    void importPrivateKey();
+
     /** Re-emit encryption status signal */
     void updateEncryptionStatus();