[Bf-blender-cvs] [c0926d536fb] blender2.8: Manipulator: Skip redundant transform updates

[Campbell Barton]

Commit: c0926d536fb0495930799006d009819a58707c3e
Author: Campbell Barton
Date:   Wed Jun 13 11:59:48 2018 +0200
Branches: blender2.8
https://developer.blender.org/rBc0926d536fb0495930799006d009819a58707c3e

Manipulator: Skip redundant transform updates

Partially address T55458

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

M	source/blender/editors/transform/transform_manipulator_3d.c

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

diff --git a/source/blender/editors/transform/transform_manipulator_3d.c b/source/blender/editors/transform/transform_manipulator_3d.c
index b6782470f96..a62125935b1 100644
--- a/source/blender/editors/transform/transform_manipulator_3d.c
+++ b/source/blender/editors/transform/transform_manipulator_3d.c
@@ -1238,9 +1238,14 @@ static ManipulatorGroup *manipulatorgroup_init(wmManipulatorGroup *mgroup)
  * Custom handler for manipulator widgets
  */
 static int manipulator_modal(
-        bContext *C, wmManipulator *widget, const wmEvent *UNUSED(event),
+        bContext *C, wmManipulator *widget, const wmEvent *event,
         eWM_ManipulatorTweak UNUSED(tweak_flag))
 {
+	/* Avoid unnecessary updates, partially address: T55458. */
+	if (ELEM(event->type, TIMER, INBETWEEN_MOUSEMOVE)) {
+		return OPERATOR_RUNNING_MODAL;
+	}
+
 	const ScrArea *sa = CTX_wm_area(C);
 	ARegion *ar = CTX_wm_region(C);
 	View3D *v3d = sa->spacedata.first;