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From 97cd908797bfa10da9e73888fbca9a19357856f2 Mon Sep 17 00:00:00 2001
From: tokyo4j <hrak1529@gmail.com>
Date: Sat, 5 Apr 2025 11:38:01 +0900
Subject: [PATCH 1/2] gestures: fix acceleration in 3fg drag
Before this patch, tp_filter_motion() was called twice in pointer motion
handler during 3fg drag, causing the pointer speed to be much faster
than during 1fg motion when the acceleration profile is adaptive.
Part-of: <https://gitlab.freedesktop.org/libinput/libinput/-/merge_requests/1180>
---
src/evdev-mt-touchpad-gestures.c | 12 ++----------
1 file changed, 2 insertions(+), 10 deletions(-)
diff --git a/src/evdev-mt-touchpad-gestures.c b/src/evdev-mt-touchpad-gestures.c
index c429bd2c..39880eff 100644
--- a/src/evdev-mt-touchpad-gestures.c
+++ b/src/evdev-mt-touchpad-gestures.c
@@ -1718,16 +1718,8 @@ tp_gesture_handle_state_3fg_drag_start(struct tp_dispatch *tp, uint64_t time)
static void
tp_gesture_handle_state_3fg_drag(struct tp_dispatch *tp, uint64_t time)
{
- if (!(tp->queued & TOUCHPAD_EVENT_MOTION))
- return;
-
- struct device_float_coords raw = tp_get_average_touches_delta(tp);
- struct normalized_coords delta = tp_filter_motion(tp, &raw, time);
-
- if (!normalized_is_zero(delta) || !device_float_is_zero(raw)) {
- if (tp->queued & TOUCHPAD_EVENT_MOTION)
- tp_gesture_post_pointer_motion(tp, time);
- }
+ if (tp->queued & TOUCHPAD_EVENT_MOTION)
+ tp_gesture_post_pointer_motion(tp, time);
}
static void
--
2.47.1
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