Allow configuring custom data folder

src/connection.cpp

@@ -2,6 +2,7 @@
 #include "mainwindow.h"
 #include "settings.h"
 #include "ui_connection.h"
+#include "ui_createzcashconfdialog.h"
 #include "rpc.h"
 
 #include "precompiled.h"
@@ -128,9 +129,42 @@ void ConnectionLoader::createZcashConf() {
     main->logger->write("createZcashConf");
 
     auto confLocation = zcashConfWritableLocation();
-    main->logger->write("Creating file " + confLocation);
-
     QFileInfo fi(confLocation);
+
+    QDialog d(main);
+    Ui_createZcashConf ui;
+    ui.setupUi(&d);
+
+    QPixmap logo(":/img/res/zcashdlogo.gif");
+    ui.lblTopIcon->setBasePixmap(logo.scaled(256, 256, Qt::KeepAspectRatio, Qt::SmoothTransformation));
+    ui.btnPickDir->setEnabled(false);
+    ui.lblDirName->setText(fi.dir().absolutePath());
+
+    QObject::connect(ui.chkCustomDatadir, &QCheckBox::stateChanged, [=](int chked) {
+        if (chked == Qt::Checked) {
+            ui.btnPickDir->setEnabled(true);
+        }
+        else {
+            ui.btnPickDir->setEnabled(false);
+        }
+    });
+
+    QObject::connect(ui.btnPickDir, &QPushButton::clicked, [=]() {
+        auto datadir = QFileDialog::getExistingDirectory(main, QObject::tr("Choose data directory"), fi.dir().absolutePath(), QFileDialog::ShowDirsOnly);
+        if (!datadir.isEmpty()) {
+            ui.lblDirName->setText(datadir);
+        }
+    });
+
+    // Show the dialog
+    QString datadir = "";
+    bool useTor = false;
+    if (d.exec() == QDialog::Accepted) {
+        datadir = ui.lblDirName->text();
+        useTor = ui.chkUseTor->isChecked();
+    }
+
+    main->logger->write("Creating file " + confLocation);
     QDir().mkdir(fi.dir().absolutePath());
 
     QFile file(confLocation);
@@ -145,6 +179,13 @@ void ConnectionLoader::createZcashConf() {
     out << "addnode=mainnet.z.cash\n";
     out << "rpcuser=zec-qt-wallet\n";
     out << "rpcpassword=" % randomPassword() << "\n";
+    if (!datadir.isEmpty()) {
+        out << "datadir=" % QDir::toNativeSeparators(datadir) % "\n";
+    }
+    if (useTor) {
+        out << "proxy=127.0.0.1:9050\n";
+    }
+
     file.close();
 
     // Now that zcash.conf exists, try to autoconnect again