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plugin: allow disabling the wheel debouncing feature

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Part-of: <https://gitlab.freedesktop.org/libinput/libinput/-/merge_requests/1249>
This commit is contained in:
Peter Hutterer 2025-06-26 11:15:02 +10:00
parent cf52552eef
commit 18992b2ec0
2 changed files with 47 additions and 1 deletions
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7
src/libinput-feature.h
View file

@ -23,4 +23,9 @@
#pragma once #pragma once
enum libinput_feature { LIBINPUT_FEATURE_BUTTON_DEBOUNCING = 1, _LIBINPUT_N_FEATURES }; enum libinput_feature {
LIBINPUT_FEATURE_BUTTON_DEBOUNCING = 1,
LIBINPUT_FEATURE_WHEEL_DEBOUNCING,
_LIBINPUT_N_FEATURES
};

41
src/libinput-plugin-mouse-wheel.c
View file

@ -31,6 +31,7 @@
#include "evdev-fallback.h" #include "evdev-fallback.h"
#include "evdev.h" #include "evdev.h"
#include "libinput-feature.h"
#include "libinput-log.h" #include "libinput-log.h"
#include "libinput-plugin-mouse-wheel.h" #include "libinput-plugin-mouse-wheel.h"
#include "libinput-plugin.h" #include "libinput-plugin.h"
@ -83,6 +84,8 @@ struct plugin_device {
int min_movement; int min_movement;
struct ratelimit hires_warning_limit; struct ratelimit hires_warning_limit;
bool want_feature_disabled;
}; };
struct plugin_data { struct plugin_data {
@ -140,6 +143,23 @@ wheel_cancel_scroll_timer(struct plugin_device *pd)
libinput_plugin_timer_cancel(pd->scroll_timer); libinput_plugin_timer_cancel(pd->scroll_timer);
} }
static inline void
wheel_maybe_disable(struct plugin_device *device)
{
if (device->state != WHEEL_STATE_NONE)
return;
if (device->want_feature_disabled && device->ignore_small_hi_res_movements) {
plugin_log_debug(device->parent->plugin,
"%s: disabled wheel debouncing on request\n",
libinput_device_get_name(device->device));
device->ignore_small_hi_res_movements = false;
libinput_plugin_timer_cancel(device->scroll_timer);
device->scroll_timer =
libinput_plugin_timer_unref(device->scroll_timer);
}
}
static void static void
wheel_handle_event_on_state_none(struct plugin_device *pd, wheel_handle_event_on_state_none(struct plugin_device *pd,
enum wheel_event event, enum wheel_event event,
@ -422,6 +442,8 @@ wheel_handle_state(struct plugin_device *pd, struct evdev_frame *frame, uint64_t
wheel_handle_state_scrolling(pd, frame, time); wheel_handle_state_scrolling(pd, frame, time);
break; break;
} }
wheel_maybe_disable(pd);
} }
static void static void
@ -591,6 +613,24 @@ wheel_plugin_evdev_frame(struct libinput_plugin *libinput_plugin,
} }
} }
static void
wheel_plugin_feature_disabled(struct libinput_plugin *libinput_plugin,
struct libinput_device *device,
enum libinput_feature feature)
{
if (feature != LIBINPUT_FEATURE_WHEEL_DEBOUNCING)
return;
struct plugin_data *plugin = libinput_plugin_get_user_data(libinput_plugin);
struct plugin_device *pd;
list_for_each(pd, &plugin->devices, link) {
if (pd->device == device) {
pd->want_feature_disabled = true;
return;
}
}
}
static const struct libinput_plugin_interface interface = { static const struct libinput_plugin_interface interface = {
.run = NULL, .run = NULL,
.destroy = wheel_plugin_destroy, .destroy = wheel_plugin_destroy,
@ -599,6 +639,7 @@ static const struct libinput_plugin_interface interface = {
.device_added = wheel_plugin_device_added, .device_added = wheel_plugin_device_added,
.device_removed = wheel_plugin_device_removed, .device_removed = wheel_plugin_device_removed,
.evdev_frame = wheel_plugin_evdev_frame, .evdev_frame = wheel_plugin_evdev_frame,
.feature_disabled = wheel_plugin_feature_disabled,
}; };
void void