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seat: support high-resolution clients

Browse source 
Upgrade the seat protocol to version 8 and handle clients that support
high-resolution scroll wheel events.

Since the backend already sends discrete values in the 120 range,
forwarding them is enough.
This commit is contained in:
José Expósito 2022-03-27 19:04:45 +02:00
parent 11f49b6b6a
commit 40dc5121aa
2 changed files with 19 additions and 7 deletions
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2
types/seat/wlr_seat.c
View file

@ -13,7 +13,7 @@
#include "util/global.h"
#include "util/signal.h"
#define SEAT_VERSION 7
#define SEAT_VERSION 8
static void seat_handle_get_pointer(struct wl_client *client,
struct wl_resource *seat_resource, uint32_t id) {

24
types/seat/wlr_seat_pointer.c
View file

@ -269,6 +269,14 @@ uint32_t wlr_seat_pointer_send_button(struct wlr_seat *wlr_seat, uint32_t time,
return serial;
}
static void send_axis_value120(struct wl_resource *resource, uint32_t time,
enum wlr_axis_orientation orientation, double value,
int32_t value_discrete) {
wl_pointer_send_axis_value120(resource, orientation, value_discrete);
wl_pointer_send_axis(resource, time, orientation,
wl_fixed_from_double(value));
}
void wlr_seat_pointer_send_axis(struct wlr_seat *wlr_seat, uint32_t time,
enum wlr_axis_orientation orientation, double value,
int32_t value_discrete, enum wlr_axis_source source) {
@ -298,14 +306,18 @@ void wlr_seat_pointer_send_axis(struct wlr_seat *wlr_seat, uint32_t time,
wl_pointer_send_axis_source(resource, source);
}
if (value) {
if (value_discrete &&
version >= WL_POINTER_AXIS_DISCRETE_SINCE_VERSION) {
wl_pointer_send_axis_discrete(resource, orientation,
if (value_discrete) {
if (version >= WL_POINTER_AXIS_VALUE120_SINCE_VERSION) {
send_axis_value120(resource, time, orientation, value,
value_discrete);
} else if (version >= WL_POINTER_AXIS_DISCRETE_SINCE_VERSION) {
wl_pointer_send_axis_discrete(resource, orientation,
value_discrete / WLR_POINTER_AXIS_DISCRETE_STEP);
}
} else {
wl_pointer_send_axis(resource, time, orientation,
wl_fixed_from_double(value));
}
wl_pointer_send_axis(resource, time, orientation,
wl_fixed_from_double(value));
} else if (version >= WL_POINTER_AXIS_STOP_SINCE_VERSION) {
wl_pointer_send_axis_stop(resource, time, orientation);
}