Fix regression with incremental snap in Graph Editor

Regression introduced in {rBb0d9e6797fb8}.

Previously the Graphics Editor had a conflict with two different snap
types. Auto-Snap and Snap with Ctrl.

It is now clearer which snap should prevail.

2 files changed, 9 insertions, 4 deletions

diff --git a/source/blender/editors/transform/transform_snap.c b/source/blender/editors/transform/transform_snap.c
index b8a35cb51e3..5eab059e049 100644
--- a/source/blender/editors/transform/transform_snap.c
+++ b/source/blender/editors/transform/transform_snap.c
@@ -615,7 +615,7 @@ static void initSnappingMode(TransInfo *t)
       t->tsnap.mode |= SCE_SNAP_MODE_GRID;
     }
   }
-  else if (ELEM(t->spacetype, SPACE_GRAPH, SPACE_ACTION, SPACE_NLA)) {
+  else if (ELEM(t->spacetype, SPACE_ACTION, SPACE_NLA)) {
     /* No incremental snapping. */
     t->tsnap.mode = 0;
   }
diff --git a/source/blender/editors/transform/transform_snap_animation.c b/source/blender/editors/transform/transform_snap_animation.c
index 08335924ddf..93ae68857a4 100644
--- a/source/blender/editors/transform/transform_snap_animation.c
+++ b/source/blender/editors/transform/transform_snap_animation.c
@@ -56,10 +56,15 @@ short getAnimEdit_SnapMode(TransInfo *t)
     }
   }
   else if (t->spacetype == SPACE_GRAPH) {
-    SpaceGraph *sipo = (SpaceGraph *)t->area->spacedata.first;
+    if ((t->data_type == TFM_TRANSLATION) && activeSnap(t)) {
+      /* Use the translate mode snap. */
+    }
+    else {
+      SpaceGraph *sipo = (SpaceGraph *)t->area->spacedata.first;
 
-    if (sipo) {
-      autosnap = sipo->autosnap;
+      if (sipo) {
+        autosnap = sipo->autosnap;
+      }
     }
   }
   else if (t->spacetype == SPACE_NLA) {