Cleanup: Continue renaming ARegion variables from ar to region

Continuation of b2ee1770d4c3, now non-single word variables are also
renamed.
Part of T74432.

Also ran clang-format on affected files.

1 files changed, 3 insertions, 3 deletions

diff --git a/source/blender/editors/interface/interface_ops.c b/source/blender/editors/interface/interface_ops.c
index b418cb4a1ac..5a4a549ea3e 100644
--- a/source/blender/editors/interface/interface_ops.c
+++ b/source/blender/editors/interface/interface_ops.c
@@ -1622,11 +1622,11 @@ static int ui_button_press_invoke(bContext *C, wmOperator *op, const wmEvent *ev
 {
   bScreen *sc = CTX_wm_screen(C);
   const bool skip_depressed = RNA_boolean_get(op->ptr, "skip_depressed");
-  ARegion *ar_prev = CTX_wm_region(C);
+  ARegion *region_prev = CTX_wm_region(C);
   ARegion *region = sc ? BKE_screen_find_region_xy(sc, RGN_TYPE_ANY, event->x, event->y) : NULL;
 
   if (region == NULL) {
-    region = ar_prev;
+    region = region_prev;
   }
 
   if (region == NULL) {
@@ -1635,7 +1635,7 @@ static int ui_button_press_invoke(bContext *C, wmOperator *op, const wmEvent *ev
 
   CTX_wm_region_set(C, region);
   uiBut *but = UI_context_active_but_get(C);
-  CTX_wm_region_set(C, ar_prev);
+  CTX_wm_region_set(C, region_prev);
 
   if (but == NULL) {
     return OPERATOR_PASS_THROUGH;