some more UI work

src/frontend/qt_sdl/main.cpp

@@ -63,6 +63,10 @@ EmuThread::EmuThread(QObject* parent) : QThread(parent)
     RunningSomething = false;
 
     connect(this, SIGNAL(windowTitleChange(QString)), mainWindow, SLOT(onTitleUpdate(QString)));
+    connect(this, SIGNAL(windowEmuStart()), mainWindow, SLOT(onEmuStart()));
+    connect(this, SIGNAL(windowEmuStop()), mainWindow, SLOT(onEmuStop()));
+
+    emit windowEmuStop();
 }
 
 void EmuThread::run()
@@ -331,6 +335,9 @@ void EmuThread::emuRun()
 {
     EmuRunning = 1;
     RunningSomething = true;
+
+    // checkme
+    emit windowEmuStart();
 }
 
 void EmuThread::emuPause(bool refresh)
@@ -339,11 +346,15 @@ void EmuThread::emuPause(bool refresh)
     PrevEmuStatus = EmuRunning;
     EmuRunning = status;
     while (EmuStatus != status);
+
+    //emit windowEmuPause();
 }
 
 void EmuThread::emuUnpause()
 {
     EmuRunning = PrevEmuStatus;
+
+    //emit windowEmuUnpause();
 }
 
 void EmuThread::emuStop()
@@ -351,6 +362,11 @@ void EmuThread::emuStop()
     EmuRunning = 0;
 }
 
+bool EmuThread::emuIsRunning()
+{
+    return (EmuRunning == 1);
+}
+
 
 MainWindowPanel::MainWindowPanel(QWidget* parent) : QWidget(parent)
 {
@@ -450,6 +466,19 @@ MainWindow::MainWindow(QWidget* parent) : QMainWindow(parent)
         actQuit = menu->addAction("Quit");
         connect(actQuit, &QAction::triggered, this, &MainWindow::onQuit);
     }
+    {
+        QMenu* menu = menubar->addMenu("System");
+
+        actPause = menu->addAction("Pause");
+        actPause->setCheckable(true);
+        connect(actPause, &QAction::triggered, this, &MainWindow::onPause);
+
+        actReset = menu->addAction("Reset");
+        connect(actReset, &QAction::triggered, this, &MainWindow::onReset);
+
+        actStop = menu->addAction("Stop");
+        connect(actStop, &QAction::triggered, this, &MainWindow::onStop);
+    }
     setMenuBar(menubar);
 
     panel = new MainWindowPanel(this);
@@ -644,11 +673,75 @@ void MainWindow::onQuit()
 }
 
 
+void MainWindow::onPause(bool checked)
+{
+    if (emuThread->emuIsRunning())
+    {
+        emuThread->emuPause(true);
+    }
+    else
+    {
+        emuThread->emuUnpause();
+    }
+}
+
+void MainWindow::onReset()
+{
+    //
+}
+
+void MainWindow::onStop()
+{
+    //
+}
+
+
 void MainWindow::onTitleUpdate(QString title)
 {
     setWindowTitle(title);
 }
 
+void MainWindow::onEmuStart()
+{
+    for (int i = 1; i < 9; i++)
+    {
+        actSaveState[i]->setEnabled(true);
+        actLoadState[i]->setEnabled(Frontend::SavestateExists(i));
+    }
+    actSaveState[0]->setEnabled(true);
+    actLoadState[0]->setEnabled(true);
+    actUndoStateLoad->setEnabled(true);
+
+    actPause->setEnabled(true);
+    actPause->setChecked(false);
+    actReset->setEnabled(true);
+    actStop->setEnabled(true);
+}
+
+void MainWindow::onEmuStop()
+{
+    for (int i = 0; i < 9; i++)
+    {
+        actSaveState[i]->setEnabled(false);
+        actLoadState[i]->setEnabled(false);
+    }
+    actUndoStateLoad->setEnabled(false);
+
+    actPause->setEnabled(false);
+    actReset->setEnabled(false);
+    actStop->setEnabled(false);
+}
+
+void MainWindow::onEmuPause()
+{
+    //
+}
+
+void MainWindow::onEmuUnpause()
+{
+    //
+}
+
 
 int main(int argc, char** argv)
 {

src/frontend/qt_sdl/main.h

@@ -41,9 +41,15 @@ public:
     void emuUnpause();
     void emuStop();
 
+    bool emuIsRunning();
+
 signals:
     void windowTitleChange(QString title);
 
+    void windowEmuStart();
+    void windowEmuStop();
+    void windowPauseToggle();
+
 private:
     volatile int EmuStatus;
     int PrevEmuStatus;
@@ -86,8 +92,17 @@ private slots:
     void onUndoStateLoad();
     void onQuit();
 
+    void onPause(bool checked);
+    void onReset();
+    void onStop();
+
     void onTitleUpdate(QString title);
 
+    void onEmuStart();
+    void onEmuStop();
+    void onEmuPause();
+    void onEmuUnpause();
+
 private:
     MainWindowPanel* panel;
 
@@ -97,6 +112,10 @@ private:
     QAction* actLoadState[9];
     QAction* actUndoStateLoad;
     QAction* actQuit;
+
+    QAction* actPause;
+    QAction* actReset;
+    QAction* actStop;
 };
 
 #endif // MAIN_H