st: Add default case to switch statements

src/st/st-scroll-bar.c

@@ -450,6 +450,7 @@ adjust_with_direction (StAdjustment           *adj,
       delta = 1.0;
       break;
     case CLUTTER_SCROLL_SMOOTH:
+    default:
       g_assert_not_reached ();
       break;
     }
@@ -485,6 +486,9 @@ st_scroll_bar_scroll_event (ClutterActor       *actor,
     case CLUTTER_SCROLL_RIGHT:
       adjust_with_direction (priv->adjustment, event->direction);
       break;
+    default:
+      g_return_val_if_reached (FALSE);
+      break;
     }
 
   return TRUE;

src/st/st-scroll-view.c

@@ -378,6 +378,9 @@ st_scroll_view_get_preferred_width (ClutterActor *actor,
        * but that's not cleanly defined at the moment */
       min_width = 0;
       break;
+    default:
+      g_warn_if_reached();
+      break;
     }
 
   switch (priv->vscrollbar_policy)
@@ -396,6 +399,9 @@ st_scroll_view_get_preferred_width (ClutterActor *actor,
        */
       account_for_vscrollbar = !priv->overlay_scrollbars;
       break;
+    default:
+      g_warn_if_reached();
+      break;
     }
 
   if (account_for_vscrollbar)
@@ -452,6 +458,9 @@ st_scroll_view_get_preferred_height (ClutterActor *actor,
       /* We've requested space for the scrollbar, subtract it back out */
       for_width -= sb_width;
       break;
+    default:
+      g_warn_if_reached();
+      break;
     }
 
   switch (priv->hscrollbar_policy)
@@ -470,6 +479,9 @@ st_scroll_view_get_preferred_height (ClutterActor *actor,
        */
       account_for_hscrollbar = !priv->overlay_scrollbars;
       break;
+    default:
+      g_warn_if_reached();
+      break;
     }
 
   clutter_actor_get_preferred_height (priv->child, for_width,
@@ -489,6 +501,9 @@ st_scroll_view_get_preferred_height (ClutterActor *actor,
        * but that's not cleanly defined at the moment */
       min_height = 0;
       break;
+    default:
+      g_warn_if_reached();
+      break;
     }
 
   if (account_for_hscrollbar)
@@ -759,6 +774,9 @@ st_scroll_view_scroll_event (ClutterActor       *self,
     case CLUTTER_SCROLL_RIGHT:
       adjust_with_direction (priv->hadjustment, event->direction);
       break;
+    default:
+      g_warn_if_reached();
+      break;
     }
 
   return TRUE;

src/st/st-theme-node-drawing.c

@@ -335,6 +335,9 @@ st_theme_node_get_corner_border_widths (StThemeNode *node,
         if (border_width_2)
             *border_width_2 = node->border_width[ST_SIDE_LEFT];
         break;
+      default:
+        g_assert_not_reached();
+        break;
     }
 }
 
@@ -381,6 +384,9 @@ st_theme_node_lookup_corner (StThemeNode    *node,
         over (&node->border_color[ST_SIDE_BOTTOM], &corner.color, &corner.border_color_1);
         over (&node->border_color[ST_SIDE_LEFT], &corner.color, &corner.border_color_2);
         break;
+      default:
+        g_assert_not_reached();
+        break;
     }
 
   if (corner.color.alpha == 0 &&
@@ -433,6 +439,9 @@ get_background_scale (StThemeNode *node,
         else if (node->background_size_h > -1)
           *scale_w = node->background_size_h / background_image_height;
         break;
+      default:
+        g_assert_not_reached();
+        break;
     }
   if (*scale_h < 0.0)
     *scale_h = *scale_w;
@@ -1720,6 +1729,9 @@ st_theme_node_paint_borders (StThemeNodePaintState *state,
                                                     max_width_radius[ST_CORNER_BOTTOMLEFT], height,
                                                     0, 0.5, 0.5, 1);
                 break;
+              default:
+                g_assert_not_reached();
+                break;
             }
         }
     }
@@ -1814,6 +1826,9 @@ st_theme_node_paint_borders (StThemeNodePaintState *state,
                     verts[7] = height - border_width[ST_SIDE_BOTTOM];
                   }
                 break;
+              default:
+                g_assert_not_reached();
+                break;
             }
           cogl_rectangles (verts, n_rects);
         }

src/st/st-theme-node.c

@@ -594,6 +594,9 @@ get_color_from_rgba_term (CRTerm       *term,
         case 3:
           a = value;
           break;
+        default:
+          g_assert_not_reached();
+          break;
         }
 
       arg = arg->next;
@@ -1102,6 +1105,7 @@ get_length_from_term (StThemeNode *node,
     case NUM_FREQ_KHZ:
     case NUM_UNKNOWN_TYPE:
     case NB_NUM_TYPE:
+    default:
       g_warning ("Ignoring invalid type of number of length property");
       return VALUE_NOT_FOUND;
     }
@@ -3250,6 +3254,9 @@ parse_shadow_property (StThemeNode       *node,
                                  "not allowed");
                   *spread = value;
                   break;
+                default:
+                  g_warning ("Ignoring excess values in shadow definition");
+                  break;
                 }
               continue;
             }
@@ -3626,6 +3633,9 @@ st_theme_node_get_icon_colors (StThemeNode *node)
             case SUCCESS:
               node->icon_colors->success = color;
               break;
+            default:
+              g_assert_not_reached();
+              break;
             }
         }
     }

src/st/st-theme.c

@@ -615,6 +615,9 @@ additional_selector_matches_style (StTheme         *a_this,
           if (!pseudo_class_add_sel_matches_style (a_this, cur_add_sel, a_node))
             return FALSE;
           break;
+        default:
+          g_warning ("Unhandled selector type %d", cur_add_sel->type);
+          return FALSE;
         }
     }
 

src/st/test-theme.c

@@ -152,9 +152,9 @@ side_to_string (StSide side)
       return "bottom";
     case ST_SIDE_LEFT:
       return "left";
+    default:
+      return "<unknown>";
     }
-
-  return "<unknown>";
 }
 
 static void