Added scroll-factor patch

patches/scroll-factor/README.md

@@ -0,0 +1,9 @@
+### Description
+This patch adds scroll factor to dwl. The settings can be found in the trackpad section of the config. This allows user to control the sensitivity of 2-finger touchpad scrolling.
+
+### Download
+- [git branch](https://codeberg.org/singul4ri7y/dwl/src/branch/scroll-factor)
+- [2024-07-12](https://codeberg.org/dwl/dwl-patches/raw/branch/main/patches/scroll-factor/scroll-factor.patch)
+
+### Authors
+- [singul4ri7y](https://codeberg.org/singul4ri7y)

patches/scroll-factor/scroll-factor.patch

@@ -0,0 +1,54 @@
+From 3e765d49976685a8772bd3e12a8c5546868a97f7 Mon Sep 17 00:00:00 2001
+From: SD Asif Hossein <s.dah.ingularity47@gmail.com>
+Date: Fri, 12 Jul 2024 14:28:06 +0600
+Subject: [PATCH] Added scroll-factor patch
+
+---
+ config.def.h |  3 +++
+ dwl.c        | 11 +++++++++--
+ 2 files changed, 12 insertions(+), 2 deletions(-)
+
+diff --git a/config.def.h b/config.def.h
+index 22d2171..83c4b87 100644
+--- a/config.def.h
++++ b/config.def.h
+@@ -71,6 +71,9 @@ static const int natural_scrolling = 0;
+ static const int disable_while_typing = 1;
+ static const int left_handed = 0;
+ static const int middle_button_emulation = 0;
++/* Scroll sensitivity */
++static const double scroll_factor = 1.0f;
++
+ /* You can choose between:
+ LIBINPUT_CONFIG_SCROLL_NO_SCROLL
+ LIBINPUT_CONFIG_SCROLL_2FG
+diff --git a/dwl.c b/dwl.c
+index dc0437e..7e8d50d 100644
+--- a/dwl.c
++++ b/dwl.c
+@@ -581,13 +581,20 @@ axisnotify(struct wl_listener *listener, void *data)
+ 	/* This event is forwarded by the cursor when a pointer emits an axis event,
+ 	 * for example when you move the scroll wheel. */
+ 	struct wlr_pointer_axis_event *event = data;
++	double delta = event->delta;
++	int32_t delta_disc = event->delta_discrete;
++	if(event->source == WLR_AXIS_SOURCE_FINGER) {
++		delta *= scroll_factor;
++		delta_disc = (int32_t)round(scroll_factor * delta_disc);
++	}
++
+ 	wlr_idle_notifier_v1_notify_activity(idle_notifier, seat);
+ 	/* TODO: allow usage of scroll whell for mousebindings, it can be implemented
+ 	 * checking the event's orientation and the delta of the event */
+ 	/* Notify the client with pointer focus of the axis event. */
+ 	wlr_seat_pointer_notify_axis(seat,
+-			event->time_msec, event->orientation, event->delta,
+-			event->delta_discrete, event->source);
++			event->time_msec, event->orientation, delta,
++			delta_disc, event->source);
+ }
+ 
+ void
+-- 
+2.45.2
+