From 85b044b3ef593fb4df5a9b3ca4f5a087587228f4 Mon Sep 17 00:00:00 2001
From: Germano Cavalcante <mano-wii>
Date: Wed, 18 Aug 2021 11:02:24 -0300
Subject: Fix incremental snap in animation editors

Animation editors have their own snap types and incremental is not
supported.
---
 source/blender/editors/transform/transform_snap.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/source/blender/editors/transform/transform_snap.c b/source/blender/editors/transform/transform_snap.c
index ea08c8912e9..05a20a14477 100644
--- a/source/blender/editors/transform/transform_snap.c
+++ b/source/blender/editors/transform/transform_snap.c
@@ -594,7 +594,7 @@ static void initSnappingMode(TransInfo *t)
   else if (t->spacetype == SPACE_SEQ) {
     t->tsnap.mode = SEQ_tool_settings_snap_mode_get(t->scene);
   }
-  else {
+  else if (ELEM(t->spacetype, SPACE_VIEW3D, SPACE_IMAGE) && !(t->options & CTX_CAMERA)) {
     /* force project off when not supported */
     if ((ts->snap_mode & SCE_SNAP_MODE_FACE) == 0) {
       t->tsnap.project = 0;
@@ -608,6 +608,14 @@ static void initSnappingMode(TransInfo *t)
       t->tsnap.mode |= SCE_SNAP_MODE_GRID;
     }
   }
+  else if (ELEM(t->spacetype, SPACE_GRAPH, SPACE_ACTION, SPACE_NLA)) {
+    /* No incremental snapping. */
+    t->tsnap.mode = 0;
+  }
+  else {
+    /* Fallback. */
+    t->tsnap.mode = SCE_SNAP_MODE_INCREMENT;
+  }
 
   if (ELEM(t->spacetype, SPACE_VIEW3D, SPACE_IMAGE) && !(t->options & CTX_CAMERA)) {
     /* Only 3D view or UV. */
@@ -654,10 +662,6 @@ static void initSnappingMode(TransInfo *t)
     setSnappingCallback(t);
     t->tsnap.modeSelect = SNAP_NOT_SELECTED;
   }
-  else {
-    /* Fallback. */
-    t->tsnap.mode = SCE_SNAP_MODE_INCREMENT;
-  }
 
   if (t->spacetype == SPACE_VIEW3D) {
     if (t->tsnap.object_context == NULL) {
-- 
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