Fix image cache margin calculation

This margin was inconsistently calculated: only taking the
visible region and interface scale into account in some cases.

1 files changed, 2 insertions, 7 deletions

diff --git a/source/blender/editors/space_image/image_ops.c b/source/blender/editors/space_image/image_ops.c
index 94d44e047a4..0dbcb1885c2 100644
--- a/source/blender/editors/space_image/image_ops.c
+++ b/source/blender/editors/space_image/image_ops.c
@@ -3628,13 +3628,8 @@ static int change_frame_invoke(bContext *C, wmOperator *op, const wmEvent *event
   ARegion *region = CTX_wm_region(C);
 
   if (region->regiontype == RGN_TYPE_WINDOW) {
-    SpaceImage *sima = CTX_wm_space_image(C);
-
-    /* Local coordinate visible rect inside region, to accommodate overlapping ui. */
-    const rcti *rect_visible = ED_region_visible_rect(region);
-    const int region_bottom = rect_visible->ymin;
-
-    if (event->mval[1] > (region_bottom + 16 * UI_DPI_FAC) || !ED_space_image_show_cache(sima)) {
+    const SpaceImage *sima = CTX_wm_space_image(C);
+    if (!ED_space_image_show_cache_and_mval_over(sima, region, event->mval)) {
       return OPERATOR_PASS_THROUGH;
     }
   }