[gui] Add proxy icon in statusbar

contrib/debian/copyright

@@ -76,8 +76,8 @@ Comment:
 
 Files: src/qt/res/icons/clock*.png
        src/qt/res/icons/eye_*.png
-       src/qt/res/icons/verify.png
        src/qt/res/icons/tx_in*.png
+       src/qt/res/icons/verify.png
        src/qt/res/src/clock_*.svg
        src/qt/res/src/tx_*.svg
        src/qt/res/src/verify.svg
@@ -93,6 +93,11 @@ Copyright: Bitboy, Jonas Schnelli
 License: public-domain
 Comment: Site: https://bitcointalk.org/?topic=1756.0
 
+Files: src/qt/res/icons/proxy.png
+       src/qt/res/src/proxy.svg
+Copyright: Cristian Mircea Messel
+Licese: public-domain
+
 
 License: Expat
  Permission is hereby granted, free of charge, to any person obtaining a

src/Makefile.qt.include

@@ -278,6 +278,7 @@ RES_ICONS = \
   qt/res/icons/network_disabled.png \
   qt/res/icons/open.png \
   qt/res/icons/overview.png \
+  qt/res/icons/proxy.png \
   qt/res/icons/quit.png \
   qt/res/icons/receive.png \
   qt/res/icons/remove.png \

src/qt/bitcoin.qrc

@@ -53,6 +53,7 @@
         <file alias="hd_enabled">res/icons/hd_enabled.png</file>
         <file alias="hd_disabled">res/icons/hd_disabled.png</file>
         <file alias="network_disabled">res/icons/network_disabled.png</file>
+        <file alias="proxy">res/icons/proxy.png</file>
     </qresource>
     <qresource prefix="/movies">
         <file alias="spinner-000">res/movies/spinner-000.png</file>

src/qt/bitcoingui.cpp

@@ -83,6 +83,7 @@ BitcoinGUI::BitcoinGUI(interfaces::Node& node, const PlatformStyle *_platformSty
     unitDisplayControl(0),
     labelWalletEncryptionIcon(0),
     labelWalletHDStatusIcon(0),
+    labelProxyIcon(0),
     connectionsControl(0),
     labelBlocksIcon(0),
     progressBarLabel(0),
@@ -201,6 +202,7 @@ BitcoinGUI::BitcoinGUI(interfaces::Node& node, const PlatformStyle *_platformSty
     unitDisplayControl = new UnitDisplayStatusBarControl(platformStyle);
     labelWalletEncryptionIcon = new QLabel();
     labelWalletHDStatusIcon = new QLabel();
+    labelProxyIcon = new QLabel();
     connectionsControl = new GUIUtil::ClickableLabel();
     labelBlocksIcon = new GUIUtil::ClickableLabel();
     if(enableWallet)
@@ -211,6 +213,7 @@ BitcoinGUI::BitcoinGUI(interfaces::Node& node, const PlatformStyle *_platformSty
         frameBlocksLayout->addWidget(labelWalletEncryptionIcon);
         frameBlocksLayout->addWidget(labelWalletHDStatusIcon);
     }
+    frameBlocksLayout->addWidget(labelProxyIcon);
     frameBlocksLayout->addStretch();
     frameBlocksLayout->addWidget(connectionsControl);
     frameBlocksLayout->addStretch();
@@ -503,6 +506,9 @@ void BitcoinGUI::setClientModel(ClientModel *_clientModel)
         connect(_clientModel, SIGNAL(showProgress(QString,int)), this, SLOT(showProgress(QString,int)));
 
         rpcConsole->setClientModel(_clientModel);
+
+        updateProxyIcon();
+
 #ifdef ENABLE_WALLET
         if(walletFrame)
         {
@@ -1125,6 +1131,24 @@ void BitcoinGUI::updateWalletStatus()
 }
 #endif // ENABLE_WALLET
 
+void BitcoinGUI::updateProxyIcon()
+{
+    std::string ip_port;
+    bool proxy_enabled = clientModel->getProxyInfo(ip_port);
+
+    if (proxy_enabled) {
+        if (labelProxyIcon->pixmap() == 0) {
+            QString ip_port_q = QString::fromStdString(ip_port);
+            labelProxyIcon->setPixmap(platformStyle->SingleColorIcon(":/icons/proxy").pixmap(STATUSBAR_ICONSIZE, STATUSBAR_ICONSIZE));
+            labelProxyIcon->setToolTip(tr("Proxy is <b>enabled</b>: %1").arg(ip_port_q));
+        } else {
+            labelProxyIcon->show();
+        }
+    } else {
+        labelProxyIcon->hide();
+    }
+}
+
 void BitcoinGUI::showNormalIfMinimized(bool fToggleHidden)
 {
     if(!clientModel)

src/qt/bitcoingui.h

@@ -92,6 +92,7 @@ class BitcoinGUI : public QMainWindow
     UnitDisplayStatusBarControl *unitDisplayControl;
     QLabel *labelWalletEncryptionIcon;
     QLabel *labelWalletHDStatusIcon;
+    QLabel *labelProxyIcon;
     QLabel *connectionsControl;
     QLabel *labelBlocksIcon;
     QLabel *progressBarLabel;
@@ -209,6 +210,10 @@ public Q_SLOTS:
     void incomingTransaction(const QString& date, int unit, const CAmount& amount, const QString& type, const QString& address, const QString& label, const QString& walletName);
 #endif // ENABLE_WALLET
 
+private:
+    /** Set the proxy-enabled icon as shown in the UI. */
+    void updateProxyIcon();
+
 private Q_SLOTS:
 #ifdef ENABLE_WALLET
     /** Switch to overview (home) page */

src/qt/clientmodel.cpp

@@ -17,6 +17,7 @@
 #include <interfaces/node.h>
 #include <validation.h>
 #include <net.h>
+#include <netbase.h>
 #include <txmempool.h>
 #include <ui_interface.h>
 #include <util.h>
@@ -268,3 +269,13 @@ void ClientModel::unsubscribeFromCoreSignals()
     m_handler_notify_block_tip->disconnect();
     m_handler_notify_header_tip->disconnect();
 }
+
+bool ClientModel::getProxyInfo(std::string& ip_port) const
+{
+    proxyType ipv4, ipv6;
+    if (m_node.getProxy((Network) 1, ipv4) && m_node.getProxy((Network) 2, ipv6)) {
+      ip_port = ipv4.proxy.ToStringIPPort();
+      return true;
+    }
+    return false;
+}

src/qt/clientmodel.h

@@ -70,6 +70,8 @@ class ClientModel : public QObject
     QString formatClientStartupTime() const;
     QString dataDir() const;
 
+    bool getProxyInfo(std::string& ip_port) const;
+
     // caches for the best header
     mutable std::atomic<int> cachedBestHeaderHeight;
     mutable std::atomic<int64_t> cachedBestHeaderTime;