From a2714a5c69f0b0506689af04c3e785f71ee0915d Mon Sep 17 00:00:00 2001
From: Andrew Chow <achow101-github@achow101.com>
Date: Fri, 9 Aug 2019 15:39:30 -0400
Subject: [PATCH] Give QApplication dummy arguments

QApplication takes the command line arguments and parses them itself
for some built in command line arguments that it has. We don't want
any of those built in arguments, so instead give it dummy arguments.
---
 src/qt/bitcoin.cpp        | 9 ++++++---
 src/qt/bitcoin.h          | 2 +-
 src/qt/test/test_main.cpp | 2 +-
 3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/qt/bitcoin.cpp b/src/qt/bitcoin.cpp
index 482bf0543..5ce4f3c19 100644
--- a/src/qt/bitcoin.cpp
+++ b/src/qt/bitcoin.cpp
@@ -169,8 +169,11 @@ void BitcoinCore::shutdown()
     }
 }
 
-BitcoinApplication::BitcoinApplication(interfaces::Node& node, int &argc, char **argv):
-    QApplication(argc, argv),
+static int qt_argc = 1;
+static const char* qt_argv = "bitcoin-qt";
+
+BitcoinApplication::BitcoinApplication(interfaces::Node& node):
+    QApplication(qt_argc, const_cast<char **>(&qt_argv)),
     coreThread(nullptr),
     m_node(node),
     optionsModel(nullptr),
@@ -433,7 +436,7 @@ int GuiMain(int argc, char* argv[])
     QApplication::setAttribute(Qt::AA_DontShowIconsInMenus);
 #endif
 
-    BitcoinApplication app(*node, argc, argv);
+    BitcoinApplication app(*node);
 
     // Register meta types used for QMetaObject::invokeMethod
     qRegisterMetaType< bool* >();
diff --git a/src/qt/bitcoin.h b/src/qt/bitcoin.h
index 40537c181..3869193a3 100644
--- a/src/qt/bitcoin.h
+++ b/src/qt/bitcoin.h
@@ -56,7 +56,7 @@ class BitcoinApplication: public QApplication
 {
     Q_OBJECT
 public:
-    explicit BitcoinApplication(interfaces::Node& node, int &argc, char **argv);
+    explicit BitcoinApplication(interfaces::Node& node);
     ~BitcoinApplication();
 
 #ifdef ENABLE_WALLET
diff --git a/src/qt/test/test_main.cpp b/src/qt/test/test_main.cpp
index dd5216d68..796cf24b3 100644
--- a/src/qt/test/test_main.cpp
+++ b/src/qt/test/test_main.cpp
@@ -68,7 +68,7 @@ int main(int argc, char *argv[])
 
     // Don't remove this, it's needed to access
     // QApplication:: and QCoreApplication:: in the tests
-    BitcoinApplication app(*node, argc, argv);
+    BitcoinApplication app(*node);
     app.setApplicationName("Bitcoin-Qt-test");
 
     AppTests app_tests(app);