routing flow supported in gui

gui/ice40/mainwindow.cc

@@ -26,6 +26,15 @@ MainWindow::MainWindow(Context *_ctx, QWidget *parent)
     task = new TaskManager(_ctx);
     connect(task, SIGNAL(log(std::string)), this, SLOT(writeInfo(std::string)));
 
+    connect(task, SIGNAL(loadfile_finished(bool)), this, SLOT(loadfile_finished(bool)));
+    connect(task, SIGNAL(pack_finished(bool)), this, SLOT(pack_finished(bool)));
+    connect(task, SIGNAL(place_finished(bool)), this, SLOT(place_finished(bool)));
+    connect(task, SIGNAL(route_finished(bool)), this, SLOT(route_finished(bool)));
+
+    connect(task, SIGNAL(taskCanceled()), this, SLOT(taskCanceled()));
+    connect(task, SIGNAL(taskStarted()), this, SLOT(taskStarted()));
+    connect(task, SIGNAL(taskPaused()), this, SLOT(taskPaused()));    
+
     createMenu();
 }
 
@@ -33,29 +42,67 @@ MainWindow::~MainWindow() { delete task; }
 
 void MainWindow::createMenu()
 {
-    QMenu *menu_Custom = new QMenu("&ICE 40", menuBar);
-    menuBar->addAction(menu_Custom->menuAction());
+    QMenu *menu_Design = new QMenu("&Design", menuBar);
+    menuBar->addAction(menu_Design->menuAction());
 
-    QAction *actionPlay = new QAction("Play", this);
-    QIcon icon1;
-    icon1.addFile(QStringLiteral(":/icons/resources/control_play.png"));
-    actionPlay->setIcon(icon1);
+    actionPack = new QAction("Pack", this);
+    QIcon iconPack;
+    iconPack.addFile(QStringLiteral(":/icons/resources/pack.png"));
+    actionPack->setIcon(iconPack);
+    actionPack->setStatusTip("Pack current design");
+    connect(actionPack, SIGNAL(triggered()), task, SIGNAL(pack()));
+    actionPack->setEnabled(false);
+
+    actionPlace = new QAction("Place", this);
+    QIcon iconPlace;
+    iconPlace.addFile(QStringLiteral(":/icons/resources/place.png"));
+    actionPlace->setIcon(iconPlace);
+    actionPlace->setStatusTip("Place current design");
+    connect(actionPlace, SIGNAL(triggered()), task, SIGNAL(place()));
+    actionPlace->setEnabled(false);
+
+    actionRoute = new QAction("Route", this);
+    QIcon iconRoute;
+    iconRoute.addFile(QStringLiteral(":/icons/resources/route.png"));
+    actionRoute->setIcon(iconRoute);
+    actionRoute->setStatusTip("Route current design");
+    connect(actionRoute, SIGNAL(triggered()), task, SIGNAL(route()));
+    actionRoute->setEnabled(false);
+
+    QToolBar *taskFPGABar = new QToolBar();
+    addToolBar(Qt::TopToolBarArea, taskFPGABar);
+
+    taskFPGABar->addAction(actionPack);
+    taskFPGABar->addAction(actionPlace);
+    taskFPGABar->addAction(actionRoute);
+
+    menu_Design->addAction(actionPack);
+    menu_Design->addAction(actionPlace);
+    menu_Design->addAction(actionRoute);
+
+    actionPlay = new QAction("Play", this);
+    QIcon iconPlay;
+    iconPlay.addFile(QStringLiteral(":/icons/resources/control_play.png"));
+    actionPlay->setIcon(iconPlay);
     actionPlay->setStatusTip("Continue running task");
     connect(actionPlay, SIGNAL(triggered()), task, SLOT(continue_thread()));
+    actionPlay->setEnabled(false);
 
-    QAction *actionPause = new QAction("Pause", this);
-    QIcon icon2;
-    icon2.addFile(QStringLiteral(":/icons/resources/control_pause.png"));
-    actionPause->setIcon(icon2);
+    actionPause = new QAction("Pause", this);
+    QIcon iconPause;
+    iconPause.addFile(QStringLiteral(":/icons/resources/control_pause.png"));
+    actionPause->setIcon(iconPause);
     actionPause->setStatusTip("Pause running task");
     connect(actionPause, SIGNAL(triggered()), task, SLOT(pause_thread()));
+    actionPause->setEnabled(false);
 
-    QAction *actionStop = new QAction("Stop", this);
-    QIcon icon3;
-    icon3.addFile(QStringLiteral(":/icons/resources/control_stop.png"));
-    actionStop->setIcon(icon3);
+    actionStop = new QAction("Stop", this);
+    QIcon iconStop;
+    iconStop.addFile(QStringLiteral(":/icons/resources/control_stop.png"));
+    actionStop->setIcon(iconStop);
     actionStop->setStatusTip("Stop running task");
     connect(actionStop, SIGNAL(triggered()), task, SLOT(terminate_thread()));
+    actionStop->setEnabled(false);
 
     QToolBar *taskToolBar = new QToolBar();
     addToolBar(Qt::TopToolBarArea, taskToolBar);
@@ -73,10 +120,84 @@ void MainWindow::open()
         tabWidget->setCurrentWidget(info);
 
         std::string fn = fileName.toStdString();
-        Q_EMIT task->parsejson(fn);
+        disableActions();
+        Q_EMIT task->loadfile(fn);
     }
 }
 
 bool MainWindow::save() { return false; }
 
+void  MainWindow::disableActions()
+{
+    actionPack->setEnabled(false);
+    actionPlace->setEnabled(false);
+    actionRoute->setEnabled(false);
+
+    actionPlay->setEnabled(false);
+    actionPause->setEnabled(false);
+    actionStop->setEnabled(false);
+}
+
+void MainWindow::loadfile_finished(bool status)
+{
+    disableActions();
+    if (status) {
+        log("Loading design successful.\n");
+        actionPack->setEnabled(true);
+    }
+    else {
+        log("Loading design failed.\n");
+    }
+}
+void MainWindow::pack_finished(bool status)
+{
+    disableActions();
+    if (status) {
+        log("Packing design successful.\n");
+        actionPlace->setEnabled(true);
+    }
+    else {
+        log("Packing design failed.\n");
+    }
+}
+void MainWindow::place_finished(bool status)
+{
+    disableActions();
+    if (status) {
+        log("Placing design successful.\n");
+        actionRoute->setEnabled(true);
+    }
+    else {
+        log("Placing design failed.\n");
+    }
+}
+void MainWindow::route_finished(bool status)
+{
+    disableActions();
+    if (status)
+        log("Routing design successful.\n");
+    else
+        log("Routing design failed.\n");
+}
+
+void MainWindow::taskCanceled()
+{
+    log("CANCELED\n");
+    disableActions();
+}
+
+void MainWindow::taskStarted()
+{
+    disableActions();
+    actionPause->setEnabled(true);
+    actionStop->setEnabled(true);
+}
+
+void MainWindow::taskPaused()
+{
+    disableActions();
+    actionPlay->setEnabled(true);
+    actionStop->setEnabled(true);    
+}
+
 NEXTPNR_NAMESPACE_END

gui/ice40/mainwindow.h

@@ -20,9 +20,25 @@ class MainWindow : public BaseMainWindow
   protected Q_SLOTS:
     virtual void open();
     virtual bool save();
+    void loadfile_finished(bool status);
+    void pack_finished(bool status);
+    void place_finished(bool status);
+    void route_finished(bool status);
+    
+    void taskCanceled();
+    void taskStarted();
+    void taskPaused();
 
   private:
+    void disableActions();
+
     TaskManager *task;
+    QAction *actionPack;
+    QAction *actionPlace;
+    QAction *actionRoute;
+    QAction *actionPlay;
+    QAction *actionPause;
+    QAction *actionStop;    
 };
 
 NEXTPNR_NAMESPACE_END

gui/ice40/nextpnr.qrc

@@ -3,5 +3,8 @@
         <file>resources/control_play.png</file>
         <file>resources/control_pause.png</file>
         <file>resources/control_stop.png</file>
+        <file>resources/pack.png</file>
+        <file>resources/place.png</file>
+        <file>resources/route.png</file>
     </qresource>
 </RCC>

gui/ice40/worker.cc

@@ -24,43 +24,88 @@ Worker::Worker(Context *_ctx, TaskManager *parent) : ctx(_ctx)
             parent->clearTerminate();
             throw WorkerInterruptionRequested();
         }
+        if (parent->isPaused())
+        {
+            Q_EMIT taskPaused();
+        }
         while (parent->isPaused()) {
+            if (parent->shouldTerminate()) {
+                parent->clearTerminate();
+                throw WorkerInterruptionRequested();
+            }
             QThread::sleep(1);
         }
     };
 }
 
-void Worker::parsejson(const std::string &filename)
+void Worker::loadfile(const std::string &filename)
 {
+    Q_EMIT taskStarted();
     std::string fn = filename;
     std::ifstream f(fn);
     try {
-        if (!parse_json_file(f, fn, ctx))
-            log_error("Loading design failed.\n");
-        if (!pack_design(ctx))
-            log_error("Packing design failed.\n");
+        Q_EMIT loadfile_finished(parse_json_file(f, fn, ctx));
+    } catch (WorkerInterruptionRequested) {
+        Q_EMIT taskCanceled();
+    }
+}
+
+void Worker::pack()
+{
+    Q_EMIT taskStarted();
+    try {
+        Q_EMIT pack_finished(pack_design(ctx));
+    } catch (WorkerInterruptionRequested) {
+        Q_EMIT taskCanceled();
+    }
+}
+
+void Worker::place()
+{
+    Q_EMIT taskStarted();
+    try {
         double freq = 50e6;
         assign_budget(ctx, freq);
         print_utilisation(ctx);
-
-        if (!place_design_sa(ctx))
-            log_error("Placing design failed.\n");
-        if (!route_design(ctx))
-            log_error("Routing design failed.\n");
-        Q_EMIT log("DONE\n");
-    } catch (log_execution_error_exception) {
+        Q_EMIT place_finished(place_design_sa(ctx));
     } catch (WorkerInterruptionRequested) {
-        Q_EMIT log("CANCELED\n");
+        Q_EMIT taskCanceled();
     }
 }
 
+void Worker::route()
+{
+    Q_EMIT taskStarted();
+    try {
+        Q_EMIT route_finished(route_design(ctx));
+    } catch (WorkerInterruptionRequested) {
+        Q_EMIT taskCanceled();
+    }
+}
+
+
 TaskManager::TaskManager(Context *ctx) : toTerminate(false), toPause(false)
 {
     Worker *worker = new Worker(ctx, this);
     worker->moveToThread(&workerThread);
+    
     connect(&workerThread, &QThread::finished, worker, &QObject::deleteLater);
-    connect(this, &TaskManager::parsejson, worker, &Worker::parsejson);
+    
+    connect(this, &TaskManager::loadfile, worker, &Worker::loadfile);
+    connect(this, &TaskManager::pack, worker, &Worker::pack);
+    connect(this, &TaskManager::place, worker, &Worker::place);
+    connect(this, &TaskManager::route, worker, &Worker::route);
+
     connect(worker, &Worker::log, this, &TaskManager::info);
+    connect(worker, &Worker::loadfile_finished, this, &TaskManager::loadfile_finished);
+    connect(worker, &Worker::pack_finished, this, &TaskManager::pack_finished);
+    connect(worker, &Worker::place_finished, this, &TaskManager::place_finished);
+    connect(worker, &Worker::route_finished, this, &TaskManager::route_finished);
+    
+    connect(worker, &Worker::taskCanceled, this, &TaskManager::taskCanceled);
+    connect(worker, &Worker::taskStarted, this, &TaskManager::taskStarted);
+    connect(worker, &Worker::taskPaused, this, &TaskManager::taskPaused);
+
     workerThread.start();
 }
 
@@ -77,6 +122,7 @@ void TaskManager::info(const std::string &result) { Q_EMIT log(result); }
 void TaskManager::terminate_thread()
 {
     QMutexLocker locker(&mutex);
+    toPause = false;
     toTerminate = true;
 }
 
@@ -102,7 +148,9 @@ void TaskManager::continue_thread()
 {
     QMutexLocker locker(&mutex);
     toPause = false;
+    Q_EMIT taskStarted();
 }
+
 bool TaskManager::isPaused()
 {
     QMutexLocker locker(&mutex);

gui/ice40/worker.h

@@ -15,9 +15,19 @@ class Worker : public QObject
   public:
     Worker(Context *ctx, TaskManager *parent);
   public Q_SLOTS:
-    void parsejson(const std::string &filename);
+    void loadfile(const std::string &);
+    void pack();
+    void place();
+    void route();
   Q_SIGNALS:
     void log(const std::string &text);
+    void loadfile_finished(bool status);
+    void pack_finished(bool status);
+    void place_finished(bool status);
+    void route_finished(bool status);
+    void taskCanceled();
+    void taskStarted();
+    void taskPaused();
 
   private:
     Context *ctx;
@@ -41,8 +51,20 @@ class TaskManager : public QObject
     void continue_thread();
   Q_SIGNALS:
     void terminate();
-    void parsejson(const std::string &);
+    void loadfile(const std::string &);
+    void pack();
+    void place();
+    void route();
+
+    // redirected signals
     void log(const std::string &text);
+    void loadfile_finished(bool status);
+    void pack_finished(bool status);
+    void place_finished(bool status);
+    void route_finished(bool status);
+    void taskCanceled();
+    void taskStarted();
+    void taskPaused();
 
   private:
     QMutex mutex;