tests/interactive: Cleanup tabs

I also sneaked in some code style fixes on the lines that were
touched. Judge me freely, it's all for the greater good.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2355>

src/tests/clutter/interactive/test-actors.c

@@ -244,9 +244,7 @@ test_actors_main (int argc, char *argv[])
   /* Show everying */
   clutter_actor_show (oh->stage);
 
-  g_signal_connect (oh->stage, "key-release-event",
+  g_signal_connect (oh->stage, "key-release-event", G_CALLBACK (input_cb), oh);
-		    G_CALLBACK (input_cb),
-		    oh);
 
   /* and start it */
   clutter_timeline_start (oh->timeline);

src/tests/clutter/interactive/test-cairo-flowers.c

@@ -90,7 +90,8 @@ draw_flower (ClutterCanvas *canvas,
         idx = (rand() % (sizeof (colors) / sizeof (double) / 3)) * 3;
       } while (idx == last_idx);
 
-      cairo_set_source_rgba (cr, colors[idx], colors[idx+1],
+      cairo_set_source_rgba (cr,
+                             colors[idx], colors[idx+1],
                              colors[idx+2], 0.5);
 
       last_idx = idx;
@@ -109,12 +110,12 @@ draw_flower (ClutterCanvas *canvas,
           cairo_move_to (cr, 0, 0);
           cairo_rel_curve_to (cr,
                               petal_size, petal_size,
-			      (pm2+2)*petal_size, petal_size,
+                              (pm2 + 2) * petal_size, petal_size,
-			      (2*petal_size) + pm1, 0);
+                              (2 * petal_size) + pm1, 0);
           cairo_rel_curve_to (cr,
-			      0 + (pm2*petal_size), -petal_size,
+                              0 + (pm2 * petal_size), -petal_size,
                               -petal_size, -petal_size,
-			      -((2*petal_size) + pm1), 0);
+                              -((2 * petal_size) + pm1), 0);
           cairo_close_path (cr);
           cairo_fill (cr);
           cairo_restore (cr);
@@ -233,7 +234,8 @@ test_cairo_flowers_main (int argc, char **argv)
       clutter_container_add_actor (CLUTTER_CONTAINER (stage),
                                    flowers[i]->ctex);
       clutter_actor_set_position (flowers[i]->ctex,
-				  flowers[i]->x, flowers[i]->y);
+                                  flowers[i]->x,
+                                  flowers[i]->y);
     }
 
   /* fire a callback for frame change */

src/tests/clutter/interactive/test-cogl-multitexture.c

@@ -40,7 +40,7 @@ test_cogl_multitexture_describe (void);
 
 static void
 frame_cb (ClutterTimeline  *timeline,
-	  gint		   frame_no,
+          int               frame_no,
           gpointer          data)
 {
   TestMultiLayerPipelineState *state = data;
@@ -142,7 +142,7 @@ test_cogl_multitexture_main (int argc, char *argv[])
   state->group = clutter_actor_new ();
   clutter_actor_set_position (state->group, stage_w / 2, stage_h / 2);
   g_signal_connect (state->group, "paint",
-		    G_CALLBACK(material_rectangle_paint), state);
+                    G_CALLBACK (material_rectangle_paint), state);
 
   files = g_new (gchar*, 4);
   files[0] = g_build_filename (TESTS_DATADIR, "redhand_alpha.png", NULL);
@@ -214,8 +214,7 @@ test_cogl_multitexture_main (int argc, char *argv[])
                              &GRAPHENE_POINT3D_INIT (0.5, 0.5, 0));
 
   clutter_actor_set_translation (data->parent_container, -86.f, -125.f, 0.f);
-  clutter_container_add_actor (CLUTTER_CONTAINER(stage),
+  clutter_container_add_actor (CLUTTER_CONTAINER(stage), state->group);
-			       state->group);
 
   state->timeline = clutter_timeline_new_for_actor (stage, 2812);
 

src/tests/clutter/interactive/test-cogl-tex-polygon.c

@@ -343,7 +343,7 @@ test_coglbox_new (void)
 
 static void
 frame_cb (ClutterTimeline *timeline,
-	  gint             elapsed_msecs,
+          int              elapsed_msecs,
           gpointer         data)
 {
   TestCoglboxPrivate *priv = TEST_COGLBOX_GET_PRIVATE (data);

src/tests/clutter/interactive/test-cogl-tex-tile.c

@@ -187,7 +187,7 @@ test_coglbox_new (void)
 
 static void
 frame_cb (ClutterTimeline *timeline,
-	  gint             msecs,
+          int              msecs,
           gpointer         data)
 {
   TestCoglboxPrivate *priv = TEST_COGLBOX_GET_PRIVATE (data);