[Bf-blender-cvs] [7e94499bb3b] blender-v3.0-release: Fix snap cursor not working in regions with transparency

[Germano Cavalcante]

Commit: 7e94499bb3bb64170f826471a86ce0f957eab3a3
Author: Germano Cavalcante
Date:   Fri Oct 29 11:23:56 2021 -0300
Branches: blender-v3.0-release
https://developer.blender.org/rB7e94499bb3bb64170f826471a86ce0f957eab3a3

Fix snap cursor not working in regions with transparency

Use `BKE_area_find_region_type` instead of using the context region.

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

M	source/blender/editors/space_view3d/view3d_cursor_snap.c

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

diff --git a/source/blender/editors/space_view3d/view3d_cursor_snap.c b/source/blender/editors/space_view3d/view3d_cursor_snap.c
index e8f1e011364..baf61befcba 100644
--- a/source/blender/editors/space_view3d/view3d_cursor_snap.c
+++ b/source/blender/editors/space_view3d/view3d_cursor_snap.c
@@ -37,6 +37,7 @@
 #include "BKE_main.h"
 #include "BKE_object.h"
 #include "BKE_scene.h"
+#include "BKE_screen.h"
 
 #include "GPU_immediate.h"
 #include "GPU_matrix.h"
@@ -764,16 +765,12 @@ static bool v3d_cursor_snap_pool_fn(bContext *C)
     return false;
   }
 
-  ARegion *region = CTX_wm_region(C);
-  if (region->regiontype != RGN_TYPE_WINDOW) {
-    return false;
-  }
-
   ScrArea *area = CTX_wm_area(C);
   if (area->spacetype != SPACE_VIEW3D) {
     return false;
   }
 
+  ARegion *region = BKE_area_find_region_type(area, RGN_TYPE_WINDOW);
   RegionView3D *rv3d = region->regiondata;
   if (rv3d->rflag & RV3D_NAVIGATING) {
     /* Don't draw the cursor while navigating. It can be distracting. */
@@ -790,7 +787,8 @@ static void v3d_cursor_snap_draw_fn(bContext *C, int x, int y, void *UNUSED(cust
   V3DSnapCursorData *snap_data = &data_intern->snap_data;
 
   wmWindowManager *wm = CTX_wm_manager(C);
-  ARegion *region = CTX_wm_region(C);
+  ScrArea *area = CTX_wm_area(C);
+  ARegion *region = BKE_area_find_region_type(area, RGN_TYPE_WINDOW);
   x -= region->winrct.xmin;
   y -= region->winrct.ymin;
   if (v3d_cursor_eventstate_has_changed(data_intern, state, wm, x, y)) {
@@ -955,7 +953,8 @@ V3DSnapCursorData *ED_view3d_cursor_snap_data_get(V3DSnapCursorState *state,
     if (v3d_cursor_eventstate_has_changed(data_intern, state, wm, x, y)) {
       Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
       Scene *scene = DEG_get_input_scene(depsgraph);
-      ARegion *region = CTX_wm_region(C);
+      ScrArea *area = CTX_wm_area(C);
+      ARegion *region = BKE_area_find_region_type(area, RGN_TYPE_WINDOW);
       View3D *v3d = CTX_wm_view3d(C);
 
       if (!state) {