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efl_ui/scroll_manager: mimic feel of legacy scroller 

Summary:
previously this used a hard linear scroll with a fixed animation time for
mouse wheel events, resulting in an unnatural scroll feel due to abrupt
animation termination

using the decelerate interpolator improves this, and we should be using the
config to determine animation speed
Depends on D9347

Reviewers: bu5hm4n, segfaultxavi

Reviewed By: segfaultxavi

Subscribers: cedric, #reviewers, #committers

Tags: #efl

Differential Revision: https://phab.enlightenment.org/D9354
This commit is contained in:
Mike Blumenkrantz 2019-07-22 15:57:39 +02:00 committed by Xavi Artigas
parent a26c787e2b
commit 47423ab720
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/lib/elementary/efl_ui_scroll_manager.c
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@ -756,7 +756,9 @@ _scroll_wheel_post_event_go(Efl_Ui_Scroll_Manager_Data *sd, int x, int y)
else
{
cur = efl_ui_pan_position_get(sd->pan_obj);
_scroll_manager_scrollto_animator_add(sd, cur.x, cur.y, x, y, 0.5, 0.5, INTERP_LINEAR);
_scroll_manager_scrollto_animator_add(sd, cur.x, cur.y, x, y,
_elm_config->bring_in_scroll_friction,
_elm_config->bring_in_scroll_friction, INTERP_DECEL);
}
}