console: Add a mechanism to allow components to add pages

Add a MainWindow signal that is emitted when a debug console is created. Relay
that signal to the Application. Add an AddPage method to the Console class that
allows components to populate pages when they receive the signal.

src/core/application.h

@@ -32,6 +32,7 @@ class QSettings;
 class AlbumCoverLoader;
 class Appearance;
 class ApplicationImpl;
+class Console;
 class CoverProviders;
 class CurrentArtLoader;
 class Database;
@@ -121,6 +122,8 @@ class Application : public QObject {
   void SaveSettings(QSettings* settings);
   void SettingsDialogRequested(SettingsDialog::Page page);
 
+  void NewDebugConsole(Console* console);
+
  private slots:
   void SaveSettings_();
 

src/ui/console.cpp

@@ -77,3 +77,7 @@ QObject* Console::FindTopLevelObject(QString& name) {
     if (obj->objectName() == name) return obj;
   return nullptr;
 }
+
+void Console::AddPage(QWidget* page, const QString& label) {
+  ui_.tabWidget->addTab(page, label);
+}

src/ui/console.h

@@ -12,6 +12,8 @@ class Console : public QDialog {
  public:
   Console(Application* app, QWidget* parent = nullptr);
 
+  void AddPage(QWidget* page, const QString& label);
+
  private slots:
   // Database
   void RunQuery();

src/ui/mainwindow.cpp

@@ -487,6 +487,10 @@ MainWindow::MainWindow(Application* app, SystemTrayIcon* tray_icon, OSD* osd,
   connect(ui_->action_view_stream_details, SIGNAL(triggered()),
           SLOT(DiscoverStreamDetails()));
 
+  // Relay this signal to the Application
+  connect(this, SIGNAL(NewDebugConsole(Console*)), app_,
+          SIGNAL(NewDebugConsole(Console*)));
+
   background_streams_->AddAction("Rain", ui_->action_rain);
   background_streams_->AddAction("Hypnotoad", ui_->action_hypnotoad);
   background_streams_->AddAction("Make it so!", ui_->action_enterprise);
@@ -2741,7 +2745,11 @@ StreamDiscoverer* MainWindow::CreateStreamDiscoverer() {
   return discoverer;
 }
 
-Console* MainWindow::CreateDebugConsole() { return new Console(app_, this); }
+Console* MainWindow::CreateDebugConsole() {
+  Console* console = new Console(app_, this);
+  emit NewDebugConsole(console);
+  return console;
+}
 
 void MainWindow::ShowAboutDialog() { about_dialog_->show(); }
 

src/ui/mainwindow.h

@@ -152,6 +152,8 @@ class MainWindow : public QMainWindow, public PlatformInterface {
   void StopAfterToggled(bool stop);
 
   void IntroPointReached();
+
+  void NewDebugConsole(Console* console);
  private slots:
   void FilePathChanged(const QString& path);