volume: hide popover after scrolling

Author: NamorNiradnug

src/panel/widgets/volume.cpp

@@ -138,6 +138,8 @@ void WayfireVolume::on_volume_scroll(GdkEventScroll *event)
     int32_t current_volume = volume_scale.get_target_value();
     const int32_t adjustment_step = max_norm * INCREMENT_STEP_PC;
 
+    button->set_keyboard_interactive(false);
+
     /* Adjust volume on button scroll */
     if ((event->direction == GDK_SCROLL_UP) ||
         ((event->direction == GDK_SCROLL_SMOOTH) && (event->delta_y < 0)))
@@ -151,7 +153,7 @@ void WayfireVolume::on_volume_scroll(GdkEventScroll *event)
         set_volume(std::max(current_volume - adjustment_step, 0));
     }
 
-    button->grab_focus();
+    button->set_keyboard_interactive();
     check_set_popover_timeout();
 }