From e449f9a9e620fb909eb7b32d815b413d235f05ad Mon Sep 17 00:00:00 2001
From: Luke Dashjr <luke-jr+git@utopios.org>
Date: Fri, 9 Sep 2016 10:43:54 +0000
Subject: [PATCH] Qt: Add a combobox to toolbar to select from multiple wallets

---
 src/qt/bitcoingui.cpp | 23 +++++++++++++++++++++++
 src/qt/bitcoingui.h   |  8 +++++++-
 2 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/src/qt/bitcoingui.cpp b/src/qt/bitcoingui.cpp
index 0bf1d5c55f..92fb3f1904 100644
--- a/src/qt/bitcoingui.cpp
+++ b/src/qt/bitcoingui.cpp
@@ -36,6 +36,7 @@
 
 #include <QAction>
 #include <QApplication>
+#include <QComboBox>
 #include <QDateTime>
 #include <QDesktopWidget>
 #include <QDragEnterEvent>
@@ -459,6 +460,23 @@ void BitcoinGUI::createToolBars()
         toolbar->addAction(receiveCoinsAction);
         toolbar->addAction(historyAction);
         overviewAction->setChecked(true);
+
+#ifdef ENABLE_WALLET
+        QWidget *spacer = new QWidget();
+        spacer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
+        toolbar->addWidget(spacer);
+
+        m_wallet_selector_label = new QLabel();
+        m_wallet_selector_label->setText(tr("Wallet:") + " ");
+        toolbar->addWidget(m_wallet_selector_label);
+        m_wallet_selector_label->setVisible(false);
+        m_wallet_selector = new QComboBox();
+        toolbar->addWidget(m_wallet_selector);
+        m_wallet_selector->setVisible(false);
+        m_wallet_selector_label->setBuddy(m_wallet_selector);
+
+        connect(m_wallet_selector, SIGNAL(currentIndexChanged(const QString&)), this, SLOT(setCurrentWallet(const QString&)));
+#endif
     }
 }
 
@@ -530,6 +548,11 @@ bool BitcoinGUI::addWallet(const QString& name, WalletModel *walletModel)
     if(!walletFrame)
         return false;
     setWalletActionsEnabled(true);
+    m_wallet_selector->addItem(name);
+    if (m_wallet_selector->count() == 2) {
+        m_wallet_selector->setVisible(true);
+        m_wallet_selector->setVisible(true);
+    }
     return walletFrame->addWallet(name, walletModel);
 }
 
diff --git a/src/qt/bitcoingui.h b/src/qt/bitcoingui.h
index b1ec6540c0..42581e7d16 100644
--- a/src/qt/bitcoingui.h
+++ b/src/qt/bitcoingui.h
@@ -33,6 +33,7 @@ class ModalOverlay;
 
 QT_BEGIN_NAMESPACE
 class QAction;
+class QComboBox;
 class QProgressBar;
 class QProgressDialog;
 QT_END_NAMESPACE
@@ -62,7 +63,6 @@ public:
         functionality.
     */
     bool addWallet(const QString& name, WalletModel *walletModel);
-    bool setCurrentWallet(const QString& name);
     void removeAllWallets();
 #endif // ENABLE_WALLET
     bool enableWallet;
@@ -111,6 +111,9 @@ private:
     QAction *openAction;
     QAction *showHelpMessageAction;
 
+    QLabel *m_wallet_selector_label;
+    QComboBox *m_wallet_selector;
+
     QSystemTrayIcon *trayIcon;
     QMenu *trayIconMenu;
     Notificator *notificator;
@@ -170,6 +173,9 @@ public Q_SLOTS:
     void message(const QString &title, const QString &message, unsigned int style, bool *ret = nullptr);
 
 #ifdef ENABLE_WALLET
+    bool setCurrentWallet(const QString& name);
+
+private:
     /** Set the encryption status as shown in the UI.
        @param[in] status            current encryption status
        @see WalletModel::EncryptionStatus