Initial pass on wlr_seat

This commit is contained in:
Drew DeVault 2017-08-16 08:50:43 -04:00 committed by nyorain
parent e7fa4f12e1
commit af5db7a44c
3 changed files with 216 additions and 0 deletions

View File

@ -0,0 +1,59 @@
#ifndef _WLR_TYPES_SEAT_H
#define _WLR_TYPES_SEAT_H
#include <wayland-server.h>
/**
* Contains state for a single client's bound wl_seat resource and can be used
* to issue input events to that client. The lifetime of these objects is
* managed by wlr_seat; some may be NULL.
*/
struct wlr_seat_handle {
struct wl_resource *wl_resource;
struct wlr_seat *wlr_seat;
struct wl_resource *pointer;
struct wl_resource *keyboard;
struct wl_resource *touch;
struct wl_list link;
};
struct wlr_seat {
struct wl_global *wl_global;
struct wl_list handles;
char *name;
uint32_t capabilities;
struct {
struct wl_signal client_bound;
struct wl_signal client_unbound;
} events;
void *data;
};
/**
* Allocates a new wlr_seat and adds a wl_seat global to the display.
*/
struct wlr_seat *wlr_seat_create(struct wl_display *display, const char *name);
/**
* Destroys a wlr_seat and removes its wl_seat global.
*/
void wlr_seat_destroy(struct wlr_seat *wlr_seat);
/**
* Gets a wlr_seat_handle for the specified client, or returns NULL if no
* handle is bound for that client.
*/
struct wlr_seat_handle *wlr_seat_handle_for_client(struct wlr_seat *wlr_seat,
struct wl_client *client);
/**
* Updates the capabilities available on this seat.
*/
void wlr_seat_set_capabilities(struct wlr_seat *wlr_seat, uint32_t capabilities);
/**
* Updates the name of this seat.
*/
void wlr_seat_set_name(struct wlr_seat *wlr_seat, const char *name);
#endif

View File

@ -4,6 +4,7 @@ lib_wlr_types = static_library('wlr_types', files(
'wlr_output.c',
'wlr_pointer.c',
'wlr_region.c',
'wlr_seat.c',
'wlr_surface.c',
'wlr_tablet_pad.c',
'wlr_tablet_tool.c',

156
types/wlr_seat.c Normal file
View File

@ -0,0 +1,156 @@
#define _POSIX_C_SOURCE 200809L
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <wayland-server.h>
#include <wlr/types/wlr_seat.h>
#include <wlr/util/log.h>
static void wl_pointer_set_cursor(struct wl_client *client,
struct wl_resource *resource,
uint32_t serial,
struct wl_resource *surface,
int32_t hotspot_x,
int32_t hotspot_y) {
wlr_log(L_DEBUG, "TODO: wl_pointer_set_cursor");
}
static void wl_pointer_destroy(struct wl_resource *resource) {
struct wlr_seat_handle *handle = wl_resource_get_user_data(resource);
if (handle->pointer) {
wl_resource_destroy(handle->pointer);
handle->pointer = NULL;
}
}
static void wl_pointer_release(struct wl_client *client,
struct wl_resource *resource) {
wl_pointer_destroy(resource);
}
struct wl_pointer_interface wl_pointer_impl = {
.set_cursor = wl_pointer_set_cursor,
.release = wl_pointer_release
};
static void wl_seat_get_pointer(struct wl_client *client,
struct wl_resource *_handle, uint32_t id) {
struct wlr_seat_handle *handle = wl_resource_get_user_data(_handle);
if (!(handle->wlr_seat->capabilities & WL_SEAT_CAPABILITY_KEYBOARD)) {
// TODO: Show error?
return;
}
if (handle->pointer) {
// TODO: this is probably a protocol violation but it simplifies our
// code and it'd be stupid for clients to create several pointers for
// the same seat
wl_resource_destroy(handle->pointer);
}
handle->pointer = wl_resource_create(client, &wl_pointer_interface, 5, id);
wl_resource_set_implementation(handle->pointer, &wl_pointer_impl,
handle, NULL);
}
static void wl_seat_get_keyboard(struct wl_client *client,
struct wl_resource *_handle, uint32_t id) {
wlr_log(L_DEBUG, "TODO: wl_seat_get_keyboard");
}
static void wl_seat_get_touch(struct wl_client *client,
struct wl_resource *_handle, uint32_t id) {
wlr_log(L_DEBUG, "TODO: wl_seat_get_touch");
}
static void wl_seat_destroy(struct wl_resource *resource) {
struct wlr_seat_handle *handle = wl_resource_get_user_data(resource);
if (handle->pointer) {
wl_resource_destroy(handle->pointer);
}
if (handle->keyboard) {
wl_resource_destroy(handle->pointer);
}
if (handle->touch) {
wl_resource_destroy(handle->pointer);
}
wl_signal_emit(&handle->wlr_seat->events.client_unbound, handle);
wl_list_remove(&handle->link);
free(handle);
}
static void wl_seat_release(struct wl_client *client,
struct wl_resource *resource) {
wl_seat_destroy(resource);
}
struct wl_seat_interface wl_seat_impl = {
.get_pointer = wl_seat_get_pointer,
.get_keyboard = wl_seat_get_keyboard,
.get_touch = wl_seat_get_touch,
.release = wl_seat_release
};
static void wl_seat_bind(struct wl_client *wl_client, void *_wlr_seat,
uint32_t version, uint32_t id) {
struct wlr_seat *wlr_seat = _wlr_seat;
assert(wl_client && wlr_seat);
if (version > 5) {
wlr_log(L_ERROR, "Client requested unsupported wl_seat version, disconnecting");
wl_client_destroy(wl_client);
return;
}
struct wlr_seat_handle *handle = calloc(1, sizeof(struct wlr_seat_handle));
handle->wl_resource = wl_resource_create(
wl_client, &wl_seat_interface, version, id);
handle->wlr_seat = wlr_seat;
wl_resource_set_implementation(handle->wl_resource, &wl_seat_impl,
handle, wl_seat_destroy);
wl_list_insert(&wlr_seat->handles, &handle->link);
wl_seat_send_capabilities(handle->wl_resource, wlr_seat->capabilities);
wl_signal_emit(&wlr_seat->events.client_bound, handle);
}
struct wlr_seat *wlr_seat_create(struct wl_display *display, const char *name) {
struct wlr_seat *wlr_seat = calloc(1, sizeof(struct wlr_seat));
if (!wlr_seat) {
return NULL;
}
struct wl_global *wl_global = wl_global_create(display,
&wl_seat_interface, 5, wlr_seat, wl_seat_bind);
if (!wl_global) {
free(wlr_seat);
return NULL;
}
wlr_seat->wl_global = wl_global;
wlr_seat->name = strdup(name);
wl_list_init(&wlr_seat->handles);
wl_signal_init(&wlr_seat->events.client_bound);
wl_signal_init(&wlr_seat->events.client_unbound);
return wlr_seat;
}
void wlr_seat_destroy(struct wlr_seat *wlr_seat) {
// TODO
}
struct wlr_seat_handle *wlr_seat_handle_for_client(struct wlr_seat *wlr_seat,
struct wl_client *client) {
assert(wlr_seat);
struct wlr_seat_handle *handle;
wl_list_for_each(handle, &wlr_seat->handles, link) {
if (wl_resource_get_client(handle->wl_resource) == client) {
return handle;
}
}
return NULL;
}
void wlr_seat_set_capabilities(struct wlr_seat *wlr_seat,
uint32_t capabilities) {
// TODO: If e.g. pointer was removed, destroy all client pointer resources
wlr_seat->capabilities = capabilities;
}
void wlr_seat_set_name(struct wlr_seat *wlr_seat, const char *name) {
free(wlr_seat->name);
wlr_seat->name = strdup(name);
}