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wheel: refactor wheel scroll flushing

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Move the logic to flush wheel scroll to it's own funtion.
Refactor, no functional changes.

Signed-off-by: José Expósito <jose.exposito89@gmail.com>
This commit is contained in:
José Expósito 2021-09-26 18:39:32 +02:00
parent 4e52f03580
commit 5f0d191eba
1 changed files with 86 additions and 78 deletions
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164
src/evdev-wheel.c
View file

@ -30,89 +30,15 @@
#include "evdev-fallback.h"
#include "util-input-event.h"
void
fallback_wheel_process_relative(struct fallback_dispatch *dispatch,
struct evdev_device *device,
struct input_event *e, uint64_t time)
{
switch (e->code) {
case REL_WHEEL:
dispatch->wheel.lo_res.y += e->value;
if (dispatch->wheel.emulate_hi_res_wheel)
dispatch->wheel.hi_res.y += e->value * 120;
dispatch->pending_event |= EVDEV_WHEEL;
break;
case REL_HWHEEL:
dispatch->wheel.lo_res.x += e->value;
if (dispatch->wheel.emulate_hi_res_wheel)
dispatch->wheel.hi_res.x += e->value * 120;
dispatch->pending_event |= EVDEV_WHEEL;
break;
case REL_WHEEL_HI_RES:
dispatch->wheel.hi_res.y += e->value;
dispatch->wheel.hi_res_event_received = true;
dispatch->pending_event |= EVDEV_WHEEL;
break;
case REL_HWHEEL_HI_RES:
dispatch->wheel.hi_res.x += e->value;
dispatch->wheel.hi_res_event_received = true;
dispatch->pending_event |= EVDEV_WHEEL;
break;
}
}
void
fallback_wheel_notify_physical_button(struct fallback_dispatch *dispatch,
struct evdev_device *device,
uint64_t time,
int button,
enum libinput_button_state state)
{
if (button == BTN_MIDDLE)
dispatch->wheel.is_inhibited = (state == LIBINPUT_BUTTON_STATE_PRESSED);
/* Lenovo TrackPoint Keyboard II sends its own scroll events when its
* trackpoint is moved while the middle button is pressed.
* Do not inhibit the scroll events.
* https://gitlab.freedesktop.org/libinput/libinput/-/issues/651
*/
if (evdev_device_has_model_quirk(device,
QUIRK_MODEL_LENOVO_TRACKPOINT_KEYBOARD_2))
dispatch->wheel.is_inhibited = false;
}
void
fallback_wheel_handle_state(struct fallback_dispatch *dispatch,
struct evdev_device *device,
uint64_t time)
static void
wheel_flush_scroll(struct fallback_dispatch *dispatch,
struct evdev_device *device,
uint64_t time)
{
struct normalized_coords wheel_degrees = { 0.0, 0.0 };
struct discrete_coords discrete = { 0.0, 0.0 };
struct wheel_v120 v120 = { 0.0, 0.0 };
if (!(device->seat_caps & EVDEV_DEVICE_POINTER))
return;
if (!dispatch->wheel.emulate_hi_res_wheel &&
!dispatch->wheel.hi_res_event_received &&
(dispatch->wheel.lo_res.x != 0 || dispatch->wheel.lo_res.y != 0)) {
evdev_log_bug_kernel(device,
"device supports high-resolution scroll but only low-resolution events have been received.\n"
"See %s/incorrectly-enabled-hires.html for details\n",
HTTP_DOC_LINK);
dispatch->wheel.emulate_hi_res_wheel = true;
dispatch->wheel.hi_res.x = dispatch->wheel.lo_res.x * 120;
dispatch->wheel.hi_res.y = dispatch->wheel.lo_res.y * 120;
}
if (dispatch->wheel.is_inhibited) {
dispatch->wheel.hi_res.x = 0;
dispatch->wheel.hi_res.y = 0;
dispatch->wheel.lo_res.x = 0;
dispatch->wheel.lo_res.y = 0;
return;
}
if (device->model_flags & EVDEV_MODEL_LENOVO_SCROLLPOINT) {
struct normalized_coords unaccel = { 0.0, 0.0 };
@ -185,6 +111,88 @@ fallback_wheel_handle_state(struct fallback_dispatch *dispatch,
}
}
void
fallback_wheel_process_relative(struct fallback_dispatch *dispatch,
struct evdev_device *device,
struct input_event *e, uint64_t time)
{
switch (e->code) {
case REL_WHEEL:
dispatch->wheel.lo_res.y += e->value;
if (dispatch->wheel.emulate_hi_res_wheel)
dispatch->wheel.hi_res.y += e->value * 120;
dispatch->pending_event |= EVDEV_WHEEL;
break;
case REL_HWHEEL:
dispatch->wheel.lo_res.x += e->value;
if (dispatch->wheel.emulate_hi_res_wheel)
dispatch->wheel.hi_res.x += e->value * 120;
dispatch->pending_event |= EVDEV_WHEEL;
break;
case REL_WHEEL_HI_RES:
dispatch->wheel.hi_res.y += e->value;
dispatch->wheel.hi_res_event_received = true;
dispatch->pending_event |= EVDEV_WHEEL;
break;
case REL_HWHEEL_HI_RES:
dispatch->wheel.hi_res.x += e->value;
dispatch->wheel.hi_res_event_received = true;
dispatch->pending_event |= EVDEV_WHEEL;
break;
}
}
void
fallback_wheel_notify_physical_button(struct fallback_dispatch *dispatch,
struct evdev_device *device,
uint64_t time,
int button,
enum libinput_button_state state)
{
if (button == BTN_MIDDLE)
dispatch->wheel.is_inhibited = (state == LIBINPUT_BUTTON_STATE_PRESSED);
/* Lenovo TrackPoint Keyboard II sends its own scroll events when its
* trackpoint is moved while the middle button is pressed.
* Do not inhibit the scroll events.
* https://gitlab.freedesktop.org/libinput/libinput/-/issues/651
*/
if (evdev_device_has_model_quirk(device,
QUIRK_MODEL_LENOVO_TRACKPOINT_KEYBOARD_2))
dispatch->wheel.is_inhibited = false;
}
void
fallback_wheel_handle_state(struct fallback_dispatch *dispatch,
struct evdev_device *device,
uint64_t time)
{
if (!(device->seat_caps & EVDEV_DEVICE_POINTER))
return;
if (!dispatch->wheel.emulate_hi_res_wheel &&
!dispatch->wheel.hi_res_event_received &&
(dispatch->wheel.lo_res.x != 0 || dispatch->wheel.lo_res.y != 0)) {
evdev_log_bug_kernel(device,
"device supports high-resolution scroll but only low-resolution events have been received.\n"
"See %s/incorrectly-enabled-hires.html for details\n",
HTTP_DOC_LINK);
dispatch->wheel.emulate_hi_res_wheel = true;
dispatch->wheel.hi_res.x = dispatch->wheel.lo_res.x * 120;
dispatch->wheel.hi_res.y = dispatch->wheel.lo_res.y * 120;
}
if (dispatch->wheel.is_inhibited) {
dispatch->wheel.hi_res.x = 0;
dispatch->wheel.hi_res.y = 0;
dispatch->wheel.lo_res.x = 0;
dispatch->wheel.lo_res.y = 0;
return;
}
wheel_flush_scroll(dispatch, device, time);
}
void
fallback_init_wheel(struct fallback_dispatch *dispatch,
struct evdev_device *device)