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Implement cursor-shape-v1 protocol

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This protocol allows Wayland clients to request a buffer for a cursor
shape from a compositor.

Tested with foot.
This commit is contained in:
Consus 2023-12-02 17:56:32 +03:00 • committed by Consolatis
parent 3118886097
commit 5d2f594626
3 changed files with 45 additions and 0 deletions
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1
include/labwc.h
View file

@ -175,6 +175,7 @@ struct seat {
struct wl_listener swipe_end;
struct wl_listener request_cursor;
struct wl_listener request_set_shape;
struct wl_listener request_set_selection;
struct wl_listener request_set_primary_selection;

1
protocols/meson.build
View file

@ -16,6 +16,7 @@ wayland_scanner_server = generator(
server_protocols = [
wl_protocol_dir / 'stable/xdg-shell/xdg-shell.xml',
wl_protocol_dir / 'unstable/pointer-constraints/pointer-constraints-unstable-v1.xml',
wl_protocol_dir / 'staging/cursor-shape/cursor-shape-v1.xml',
wl_protocol_dir / 'staging/drm-lease/drm-lease-v1.xml',
'wlr-layer-shell-unstable-v1.xml',
'wlr-input-inhibitor-unstable-v1.xml',

43
src/input/cursor.c
View file

@ -4,6 +4,7 @@
#include <linux/input-event-codes.h>
#include <sys/time.h>
#include <time.h>
#include <wlr/types/wlr_cursor_shape_v1.h>
#include <wlr/types/wlr_primary_selection.h>
#include <wlr/util/region.h>
#include "action.h"
@ -22,6 +23,8 @@
#include "ssd.h"
#include "view.h"
#define LAB_CURSOR_SHAPE_V1_VERSION 1
static const char * const *cursor_names = NULL;
/* Usual cursor names */
@ -158,6 +161,33 @@ request_cursor_notify(struct wl_listener *listener, void *data)
}
}
static void
request_set_shape_notify(struct wl_listener *listener, void *data)
{
struct wlr_cursor_shape_manager_v1_request_set_shape_event *event = data;
const char *shape_name = wlr_cursor_shape_v1_name(event->shape);
struct seat *seat = wl_container_of(listener, seat, request_set_shape);
struct wlr_seat_client *focused_client = seat->seat->pointer_state.focused_client;
/* Prevent setting a cursor image when moving or resizing */
if (seat->server->input_mode != LAB_INPUT_STATE_PASSTHROUGH) {
return;
}
/*
* This can be sent by any client, so we check to make sure this one
* actually has pointer focus first.
*/
if (event->seat_client != focused_client) {
wlr_log(WLR_INFO, "seat client %p != focused client %p",
event->seat_client, focused_client);
return;
}
wlr_log(WLR_DEBUG, "set xcursor to shape %s", shape_name);
wlr_cursor_set_xcursor(seat->cursor, seat->xcursor_manager, shape_name);
}
static void
request_set_selection_notify(struct wl_listener *listener, void *data)
{
@ -1225,6 +1255,18 @@ cursor_init(struct seat *seat)
seat->request_cursor.notify = request_cursor_notify;
wl_signal_add(&seat->seat->events.request_set_cursor,
&seat->request_cursor);
struct wlr_cursor_shape_manager_v1 *cursor_shape_manager =
wlr_cursor_shape_manager_v1_create(seat->server->wl_display,
LAB_CURSOR_SHAPE_V1_VERSION);
if (!cursor_shape_manager) {
wlr_log(WLR_ERROR, "unable to create cursor_shape interface");
exit(EXIT_FAILURE);
}
seat->request_set_shape.notify = request_set_shape_notify;
wl_signal_add(&cursor_shape_manager->events.request_set_shape,
&seat->request_set_shape);
seat->request_set_selection.notify = request_set_selection_notify;
wl_signal_add(&seat->seat->events.request_set_selection,
&seat->request_set_selection);
@ -1249,6 +1291,7 @@ void cursor_finish(struct seat *seat)
touch_finish(seat);
wl_list_remove(&seat->request_cursor.link);
wl_list_remove(&seat->request_set_shape.link);
wl_list_remove(&seat->request_set_selection.link);
wlr_xcursor_manager_destroy(seat->xcursor_manager);