Fixed initial title and actions after new

gui/ice40/mainwindow.cc

@@ -34,8 +34,8 @@ static void initMainResource() { Q_INIT_RESOURCE(nextpnr); }
 
 NEXTPNR_NAMESPACE_BEGIN
 
-MainWindow::MainWindow(std::unique_ptr<Context> context, QWidget *parent)
+MainWindow::MainWindow(std::unique_ptr<Context> context, ArchArgs args, QWidget *parent)
-        : BaseMainWindow(std::move(context), parent), timing_driven(false)
+        : BaseMainWindow(std::move(context), parent), timing_driven(false), chipArgs(args)
 {
     initMainResource();
 
@@ -245,6 +245,7 @@ void MainWindow::new_proj()
             preload_pcf = "";
             chipArgs.package = package.toStdString().c_str();
             ctx = std::unique_ptr<Context>(new Context(chipArgs));
+            actionLoadJSON->setEnabled(true);
 
             Q_EMIT contextChanged(ctx.get());
         }

gui/ice40/mainwindow.h

@@ -30,7 +30,7 @@ class MainWindow : public BaseMainWindow
     Q_OBJECT
 
   public:
-    explicit MainWindow(std::unique_ptr<Context> context, QWidget *parent = 0);
+    explicit MainWindow(std::unique_ptr<Context> context, ArchArgs args, QWidget *parent = 0);
     virtual ~MainWindow();
 
   public:

ice40/main.cc

@@ -357,7 +357,7 @@ int main(int argc, char *argv[])
 #ifndef NO_GUI
         if (vm.count("gui")) {
             Application a(argc, argv);
-            MainWindow w(std::move(ctx));
+            MainWindow w(std::move(ctx), chipArgs);
             if (vm.count("json")) {
                 std::string filename = vm["json"].as<std::string>();
                 std::string pcf = "";