nexus: Add stub GUI

Signed-off-by: David Shah <dave@ds0.me>

gui/nexus/mainwindow.cc

@@ -0,0 +1,87 @@
+/*
+ *  nextpnr -- Next Generation Place and Route
+ *
+ *  Copyright (C) 2018  Miodrag Milanovic <miodrag@symbioticeda.com>
+ *
+ *  Permission to use, copy, modify, and/or distribute this software for any
+ *  purpose with or without fee is hereby granted, provided that the above
+ *  copyright notice and this permission notice appear in all copies.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ *  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ *  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
+#include "mainwindow.h"
+#include <QAction>
+#include <QFileDialog>
+#include <QFileInfo>
+#include <QIcon>
+#include <QInputDialog>
+#include <QLineEdit>
+#include <QSet>
+#include <fstream>
+#include "design_utils.h"
+#include "log.h"
+
+static void initMainResource() { Q_INIT_RESOURCE(nextpnr); }
+
+NEXTPNR_NAMESPACE_BEGIN
+
+MainWindow::MainWindow(std::unique_ptr<Context> context, CommandHandler *handler, QWidget *parent)
+        : BaseMainWindow(std::move(context), handler, parent)
+{
+    initMainResource();
+
+    std::string title = "nextpnr-nexus - [EMPTY]";
+    setWindowTitle(title.c_str());
+
+    connect(this, &BaseMainWindow::contextChanged, this, &MainWindow::newContext);
+
+    createMenu();
+}
+
+MainWindow::~MainWindow() {}
+
+void MainWindow::createMenu()
+{
+    // Add arch specific actions
+
+    // Add actions in menus
+}
+
+void MainWindow::new_proj()
+{
+    QStringList arch;
+
+    // TODO: better device picker
+    arch.push_back("LIFCL-40-9BG400CES");
+    arch.push_back("LIFCL-40-8BG72CES");
+
+    bool ok;
+    QString item = QInputDialog::getItem(this, "Select new context", "Chip:", arch, 0, false, &ok);
+    if (ok && !item.isEmpty()) {
+        ArchArgs chipArgs;
+        chipArgs.device = item.toStdString();
+        ctx = std::unique_ptr<Context>(new Context(chipArgs));
+        actionLoadJSON->setEnabled(true);
+        Q_EMIT contextChanged(ctx.get());
+    }
+}
+
+void MainWindow::newContext(Context *ctx)
+{
+    std::string title = "nextpnr-nexus - " + ctx->getChipName();
+    setWindowTitle(title.c_str());
+}
+
+void MainWindow::onDisableActions() {}
+
+void MainWindow::onUpdateActions() {}
+
+NEXTPNR_NAMESPACE_END

gui/nexus/mainwindow.h

@@ -0,0 +1,49 @@
+/*
+ *  nextpnr -- Next Generation Place and Route
+ *
+ *  Copyright (C) 2018  Miodrag Milanovic <miodrag@symbioticeda.com>
+ *
+ *  Permission to use, copy, modify, and/or distribute this software for any
+ *  purpose with or without fee is hereby granted, provided that the above
+ *  copyright notice and this permission notice appear in all copies.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ *  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ *  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include "../basewindow.h"
+
+NEXTPNR_NAMESPACE_BEGIN
+
+class MainWindow : public BaseMainWindow
+{
+    Q_OBJECT
+
+  public:
+    explicit MainWindow(std::unique_ptr<Context> context, CommandHandler *handler, QWidget *parent = 0);
+    virtual ~MainWindow();
+
+  public:
+    void createMenu();
+
+    void onDisableActions() override;
+    void onUpdateActions() override;
+
+  protected Q_SLOTS:
+    void new_proj() override;
+
+    void newContext(Context *ctx);
+};
+
+NEXTPNR_NAMESPACE_END
+
+#endif // MAINWINDOW_H

gui/nexus/nextpnr.qrc

@@ -0,0 +1,2 @@
+<RCC>
+</RCC>