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Fix redraws from non-existing scrollbars

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Cursor motion was often causing redraws.

Distance to scrollbars that don't exist in hidden regions
caused redraws (for alpha fading).

Check if scrollbars are used before calculating fade.
This commit is contained in:
Campbell Barton
2018-11-07 18:14:21 +11:00
parent 0bd61227c2
commit 767a395727
4 changed files with 30 additions and 8 deletions
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12
source/blender/editors/screen/screen_ops.c
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@@ -740,8 +740,16 @@ static AZone *area_actionzone_refresh_xy(ScrArea *sa, const int xy[2], const boo
else if (az->type == AZONE_REGION_SCROLL) {
ARegion *ar = az->ar;
View2D *v2d = &ar->v2d;
const short isect_value = UI_view2d_mouse_in_scrollers(ar, v2d, xy[0], xy[1]);
if (test_only) {
int scroll_flag = 0;
const int isect_value = UI_view2d_mouse_in_scrollers_ex(ar, v2d, xy[0], xy[1], &scroll_flag);
/* Check if we even have scroll bars. */
if (((az->direction == AZ_SCROLL_HOR) && !(scroll_flag & V2D_SCROLL_HORIZONTAL)) ||
((az->direction == AZ_SCROLL_VERT) && !(scroll_flag & V2D_SCROLL_VERTICAL)))
{
/* no scrollbars, do nothing. */
}
else if (test_only) {
if (isect_value != 0) {
break;
}