Terminal: Handle bell

Change-Id: I61681166fc8e489ffd0807cf3bcb4a2abc9cf6e1
Reviewed-by: Cristian Adam <cristian.adam@qt.io>

src/plugins/terminal/terminalsurface.cpp

@@ -68,11 +68,15 @@ struct TerminalSurfacePrivate
                 auto p = static_cast<TerminalSurfacePrivate *>(user);
                 return p->movecursor(pos, oldpos, visible);
             };
-
         m_vtermScreenCallbacks.sb_clear = [](void *user) {
             auto p = static_cast<TerminalSurfacePrivate *>(user);
             return p->sb_clear();
         };
+        m_vtermScreenCallbacks.bell = [](void *user) {
+            auto p = static_cast<TerminalSurfacePrivate *>(user);
+            emit p->q->bell();
+            return 1;
+        };
 
         vterm_screen_set_callbacks(m_vtermScreen, &m_vtermScreenCallbacks, this);
         vterm_screen_set_damage_merge(m_vtermScreen, VTERM_DAMAGE_SCROLL);

src/plugins/terminal/terminalsurface.h

@@ -102,6 +102,7 @@ signals:
     void cursorChanged(Cursor oldCursor, Cursor newCursor);
     void altscreenChanged(bool altScreen);
     void unscroll();
+    void bell();
 
 private:
     std::unique_ptr<TerminalSurfacePrivate> d;

src/plugins/terminal/terminalwidget.cpp

@@ -332,6 +332,7 @@ void TerminalWidget::setupSurface()
     connect(m_surface.get(), &Internal::TerminalSurface::unscroll, this, [this] {
         verticalScrollBar()->setValue(verticalScrollBar()->maximum());
     });
+    connect(m_surface.get(), &Internal::TerminalSurface::bell, this, [] { QApplication::beep(); });
     if (m_shellIntegration) {
         connect(m_shellIntegration.get(),
                 &ShellIntegration::commandChanged,