Commit: 5b9440278ee9001645e4475436f6899c84d4ba1c
Author: Sebastian Parborg
Date:   Thu Dec 27 18:39:39 2018 +0100
Branches: master
https://developer.blender.org/rB5b9440278ee9001645e4475436f6899c84d4ba1c

Fix T59865: UV editor vertex snap to active does not make any sense.

Differential Revision: https://developer.blender.org/D4129

===================================================================

M       source/blender/editors/transform/transform_generics.c

===================================================================

diff --git a/source/blender/editors/transform/transform_generics.c 
b/source/blender/editors/transform/transform_generics.c
index f1dc5525dbc..943dedabba2 100644
--- a/source/blender/editors/transform/transform_generics.c
+++ b/source/blender/editors/transform/transform_generics.c
@@ -2003,12 +2003,13 @@ bool calculateCenterActive(TransInfo *t, bool 
select_only, float r_center[3])
 {
        TransDataContainer *tc = TRANS_DATA_CONTAINER_FIRST_OK(t);
 
-       bool ok = false;
-
-       if (tc->obedit) {
+       if (t->spacetype != SPACE_VIEW3D) {
+               return false;
+       }
+       else if (tc->obedit) {
                if (ED_object_calc_active_center_for_editmode(tc->obedit, 
select_only, r_center)) {
                        mul_m4_v3(tc->obedit->obmat, r_center);
-                       ok = true;
+                       return true;
                }
        }
        else if (t->flag & T_POSE) {
@@ -2016,7 +2017,7 @@ bool calculateCenterActive(TransInfo *t, bool 
select_only, float r_center[3])
                Object *ob = OBACT(view_layer) ;
                if (ED_object_calc_active_center_for_posemode(ob, select_only, 
r_center)) {
                        mul_m4_v3(ob->obmat, r_center);
-                       ok = true;
+                       return true;
                }
        }
        else if (t->options & CTX_PAINT_CURVE) {
@@ -2025,7 +2026,7 @@ bool calculateCenterActive(TransInfo *t, bool 
select_only, float r_center[3])
                PaintCurve *pc = br->paint_curve;
                copy_v3_v3(r_center, pc->points[pc->add_index - 1].bez.vec[1]);
                r_center[2] = 0.0f;
-               ok = true;
+               return true;
        }
        else {
                /* object mode */
@@ -2034,11 +2035,11 @@ bool calculateCenterActive(TransInfo *t, bool 
select_only, float r_center[3])
                Base *base = BASACT(view_layer);
                if (ob && ((!select_only) || ((base->flag & BASE_SELECTED) != 
0))) {
                        copy_v3_v3(r_center, ob->obmat[3]);
-                       ok = true;
+                       return true;
                }
        }
 
-       return ok;
+       return false;
 }
 
 static void calculateCenter_FromAround(TransInfo *t, int around, float 
r_center[3])

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