Use QCoreApplication to get path

src/connection.cpp

@@ -279,16 +279,16 @@ bool ConnectionLoader::startEmbeddedZcashd() {
     }
 
     // Finally, start zcashd    
-    QFileInfo fi(Settings::getInstance()->getExecName());
+    QDir appPath(QCoreApplication::applicationDirPath());
 #ifdef Q_OS_LINUX
-    auto zcashdProgram = fi.dir().absoluteFilePath("zqw-zcashd");
+    auto zcashdProgram = appPath.absoluteFilePath("zqw-zcashd");
     if (!QFile(zcashdProgram).exists()) {
-        zcashdProgram = fi.dir().absoluteFilePath("zcashd");
+        zcashdProgram = appPath.absoluteFilePath("zcashd");
     }
 #elif defined(Q_OS_DARWIN)
-    auto zcashdProgram = fi.dir().absoluteFilePath("zcashd");
+    auto zcashdProgram = appPath.absoluteFilePath("zcashd");
 #else
-    auto zcashdProgram = fi.dir().absoluteFilePath("zcashd.exe");
+    auto zcashdProgram = appPath.absoluteFilePath("zcashd.exe");
 #endif
     
     if (!QFile(zcashdProgram).exists()) {

src/main.cpp

@@ -31,7 +31,6 @@ int main(int argc, char *argv[])
 
 
     Settings::init();
-    Settings::getInstance()->setExecName(argv[0]);
 
     if (argc >= 2 && QString::fromStdString(argv[1]) == "--no-embedded") {
         Settings::getInstance()->setUseEmbedded(false);

src/settings.h

@@ -32,9 +32,6 @@ public:
     bool    isSyncing();
     void    setSyncing(bool syncing);
 
-    QString getExecName() { return _executable; }
-    void    setExecName(QString name) { _executable = name; }
-
     void    setUseEmbedded(bool r) { _useEmbedded = r; }
     bool    useEmbedded() { return _useEmbedded; }