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Merge pull request #99 from nyorain/wlr_seat2 

wlr_seat
This commit is contained in:
Drew DeVault 2017-08-17 08:42:24 -04:00 committed by GitHub
parent a616437c83 edbaa7d6ac
commit 18f1538108
7 changed files with 365 additions and 9 deletions
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84
examples/compositor/main.c
View File

@ -4,6 +4,8 @@
#include <stdlib.h>
#include <time.h>
#include <inttypes.h>
#include <unistd.h>
#include <sys/mman.h>
#include <wayland-server.h>
#include <wlr/backend.h>
#include <wlr/backend/session.h>
@ -14,16 +16,26 @@
#include <wlr/types/wlr_surface.h>
#include <wlr/types/wlr_wl_shell.h>
#include <wlr/types/wlr_xdg_shell_v6.h>
#include <wlr/types/wlr_seat.h>
#include <xkbcommon/xkbcommon.h>
#include <wlr/util/log.h>
#include "shared.h"
#include "compositor.h"
// TODO: move to common header?
int os_create_anonymous_file(off_t size);
struct sample_state {
struct wlr_renderer *renderer;
struct wl_compositor_state compositor;
struct wlr_wl_shell *wl_shell;
struct wlr_seat *wl_seat;
struct wlr_xdg_shell_v6 *xdg_shell;
struct wl_resource *focus;
struct wl_listener keyboard_bound;
int keymap_fd;
size_t keymap_size;
uint32_t serial;
};
/*
@ -33,7 +45,7 @@ static inline int64_t timespec_to_msec(const struct timespec *a) {
return (int64_t)a->tv_sec * 1000 + a->tv_nsec / 1000000;
}
void output_frame_handle_surface(struct sample_state *sample,
static void output_frame_handle_surface(struct sample_state *sample,
struct wlr_output *wlr_output, struct timespec *ts,
struct wl_resource *_res) {
struct wlr_surface *surface = wl_resource_get_user_data(_res);
@ -53,7 +65,7 @@ void output_frame_handle_surface(struct sample_state *sample,
}
}
}
void handle_output_frame(struct output_state *output, struct timespec *ts) {
static void handle_output_frame(struct output_state *output, struct timespec *ts) {
struct compositor_state *state = output->compositor;
struct sample_state *sample = state->data;
struct wlr_output *wlr_output = output->output;
@ -74,11 +86,58 @@ void handle_output_frame(struct output_state *output, struct timespec *ts) {
wlr_output_swap_buffers(wlr_output);
}
static void handle_keyboard_key(struct keyboard_state *keyboard, uint32_t keycode,
xkb_keysym_t sym, enum wlr_key_state key_state) {
struct compositor_state *state = keyboard->compositor;
struct sample_state *sample = state->data;
struct wl_resource *res = NULL;
struct wlr_seat_handle *seat_handle = NULL;
wl_list_for_each(res, &sample->compositor.surfaces, link) {
break;
}
if (res) {
seat_handle = wlr_seat_handle_for_client(sample->wl_seat,
wl_resource_get_client(res));
}
if (res != sample->focus && seat_handle && seat_handle->keyboard) {
struct wl_array keys;
wl_array_init(&keys);
wl_keyboard_send_enter(seat_handle->keyboard, ++sample->serial, res, &keys);
sample->focus = res;
}
if (seat_handle && seat_handle->keyboard) {
uint32_t depressed = xkb_state_serialize_mods(keyboard->xkb_state,
XKB_STATE_MODS_DEPRESSED);
uint32_t latched = xkb_state_serialize_mods(keyboard->xkb_state,
XKB_STATE_MODS_LATCHED);
uint32_t locked = xkb_state_serialize_mods(keyboard->xkb_state,
XKB_STATE_MODS_LOCKED);
uint32_t group = xkb_state_serialize_layout(keyboard->xkb_state,
XKB_STATE_LAYOUT_EFFECTIVE);
wl_keyboard_send_modifiers(seat_handle->keyboard, ++sample->serial, depressed,
latched, locked, group);
wl_keyboard_send_key(seat_handle->keyboard, ++sample->serial, 0, keycode, key_state);
}
}
static void handle_keyboard_bound(struct wl_listener *listener, void *data) {
struct wlr_seat_handle *handle = data;
struct sample_state *state = wl_container_of(listener, state, keyboard_bound);
wl_keyboard_send_keymap(handle->keyboard, WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1,
state->keymap_fd, state->keymap_size);
}
int main() {
struct sample_state state = { 0 };
struct compositor_state compositor = { 0,
.data = &state,
.output_frame_cb = handle_output_frame,
.keyboard_key_cb = handle_keyboard_key
};
compositor_init(&compositor);
@ -92,8 +151,29 @@ int main() {
state.wl_shell = wlr_wl_shell_create(compositor.display);
state.xdg_shell = wlr_xdg_shell_v6_create(compositor.display);
state.wl_seat = wlr_seat_create(compositor.display, "seat0");
state.keyboard_bound.notify = handle_keyboard_bound;
wl_signal_add(&state.wl_seat->events.keyboard_bound, &state.keyboard_bound);
wlr_seat_set_capabilities(state.wl_seat, WL_SEAT_CAPABILITY_KEYBOARD
| WL_SEAT_CAPABILITY_POINTER | WL_SEAT_CAPABILITY_TOUCH);
struct keyboard_state *kbstate;
wl_list_for_each(kbstate, &compositor.keyboards, link) {
char *keymap = xkb_keymap_get_as_string(kbstate->keymap,
XKB_KEYMAP_FORMAT_TEXT_V1);
state.keymap_size = strlen(keymap);
state.keymap_fd = os_create_anonymous_file(state.keymap_size);
void *ptr = mmap(NULL, state.keymap_size,
PROT_READ | PROT_WRITE,
MAP_SHARED, state.keymap_fd, 0);
strcpy(ptr, keymap);
free(keymap);
break;
}
compositor_run(&compositor);
wlr_wl_shell_destroy(state.wl_shell);
wlr_xdg_shell_v6_destroy(state.xdg_shell);
close(state.keymap_fd);
}

2
examples/rotation.c
View File

@ -104,7 +104,7 @@ static void update_velocities(struct compositor_state *state,
}
static void handle_keyboard_key(struct keyboard_state *kbstate,
xkb_keysym_t sym, enum wlr_key_state key_state) {
uint32_t keycode, xkb_keysym_t sym, enum wlr_key_state key_state) {
// NOTE: It may be better to simply refer to our key state during each frame
// and make this change in pixels/sec^2
// Also, key repeat

8
examples/shared.c
View File

@ -32,6 +32,9 @@ static void keyboard_key_notify(struct wl_listener *listener, void *data) {
enum wlr_key_state key_state = event->state;
const xkb_keysym_t *syms;
int nsyms = xkb_state_key_get_syms(kbstate->xkb_state, keycode, &syms);
xkb_state_update_key(kbstate->xkb_state, keycode,
event->state == WLR_KEY_PRESSED ? XKB_KEY_DOWN : XKB_KEY_UP);
keyboard_led_update(kbstate);
for (int i = 0; i < nsyms; ++i) {
xkb_keysym_t sym = syms[i];
char name[64];
@ -41,7 +44,7 @@ static void keyboard_key_notify(struct wl_listener *listener, void *data) {
key_state == WLR_KEY_PRESSED ? "pressed" : "released");
}
if (kbstate->compositor->keyboard_key_cb) {
kbstate->compositor->keyboard_key_cb(kbstate, sym, key_state);
kbstate->compositor->keyboard_key_cb(kbstate, event->keycode, sym, key_state);
}
if (sym == XKB_KEY_Escape) {
wl_display_terminate(kbstate->compositor->display);
@ -57,9 +60,6 @@ static void keyboard_key_notify(struct wl_listener *listener, void *data) {
}
}
}
xkb_state_update_key(kbstate->xkb_state, keycode,
event->state == WLR_KEY_PRESSED ? XKB_KEY_DOWN : XKB_KEY_UP);
keyboard_led_update(kbstate);
}
static void keyboard_add(struct wlr_input_device *device, struct compositor_state *state) {

4
examples/shared.h
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@ -79,8 +79,8 @@ struct compositor_state {
void (*output_frame_cb)(struct output_state *s, struct timespec *ts);
void (*output_remove_cb)(struct output_state *s);
void (*keyboard_remove_cb)(struct keyboard_state *s);
void (*keyboard_key_cb)(struct keyboard_state *s, xkb_keysym_t sym,
enum wlr_key_state key_state);
void (*keyboard_key_cb)(struct keyboard_state *s, uint32_t keycode,
xkb_keysym_t sym, enum wlr_key_state key_state);
void (*pointer_motion_cb)(struct pointer_state *s,
double d_x, double d_y);
void (*pointer_motion_absolute_cb)(struct pointer_state *s,

62
include/wlr/types/wlr_seat.h Normal file
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@ -0,0 +1,62 @@
#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;
struct wl_signal keyboard_bound;
} 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.
* Will automatically send them to all clients.
*/
void wlr_seat_set_capabilities(struct wlr_seat *wlr_seat, uint32_t capabilities);
/**
* Updates the name of this seat.
* Will automatically send it to all clients.
*/
void wlr_seat_set_name(struct wlr_seat *wlr_seat, const char *name);
#endif

1
types/meson.build
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@ -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',

213
types/wlr_seat.c Normal file
View File

@ -0,0 +1,213 @@
#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 resource_destroy(struct wl_client *client,
struct wl_resource *resource) {
wl_resource_destroy(resource);
}
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 const struct wl_pointer_interface wl_pointer_impl = {
.set_cursor = wl_pointer_set_cursor,
.release = resource_destroy
};
static void wl_pointer_destroy(struct wl_resource *resource) {
struct wlr_seat_handle *handle = wl_resource_get_user_data(resource);
if (handle->pointer) {
handle->pointer = NULL;
}
}
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_POINTER)) {
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,
wl_resource_get_version(_handle), id);
wl_resource_set_implementation(handle->pointer, &wl_pointer_impl,
handle, &wl_pointer_destroy);
}
static const struct wl_keyboard_interface wl_keyboard_impl = {
.release = resource_destroy
};
static void wl_keyboard_destroy(struct wl_resource *resource) {
struct wlr_seat_handle *handle = wl_resource_get_user_data(resource);
if (handle->keyboard) {
handle->keyboard = NULL;
}
}
static void wl_seat_get_keyboard(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)) {
return;
}
if (handle->keyboard) {
// 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->keyboard);
}
handle->keyboard = wl_resource_create(client, &wl_keyboard_interface,
wl_resource_get_version(_handle), id);
wl_resource_set_implementation(handle->keyboard, &wl_keyboard_impl,
handle, &wl_keyboard_destroy);
wl_signal_emit(&handle->wlr_seat->events.keyboard_bound, handle);
}
static const struct wl_touch_interface wl_touch_impl = {
.release = resource_destroy
};
static void wl_touch_destroy(struct wl_resource *resource) {
struct wlr_seat_handle *handle = wl_resource_get_user_data(resource);
if (handle->touch) {
handle->touch = NULL;
}
}
static void wl_seat_get_touch(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_TOUCH)) {
return;
}
if (handle->touch) {
// 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->touch);
}
handle->touch = wl_resource_create(client, &wl_touch_interface,
wl_resource_get_version(_handle), id);
wl_resource_set_implementation(handle->touch, &wl_touch_impl,
handle, &wl_touch_destroy);
}
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->keyboard);
}
if (handle->touch) {
wl_resource_destroy(handle->touch);
}
wl_signal_emit(&handle->wlr_seat->events.client_unbound, handle);
wl_list_remove(&handle->link);
free(handle);
}
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 = resource_destroy
};
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 > 6) {
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, 6, 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);
wl_signal_init(&wlr_seat->events.keyboard_bound);
return wlr_seat;
}
void wlr_seat_destroy(struct wlr_seat *wlr_seat) {
if (!wlr_seat) {
return;
}
wl_global_destroy(wlr_seat->wl_global);
free(wlr_seat->name);
free(wlr_seat);
}
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) {
wlr_seat->capabilities = capabilities;
struct wlr_seat_handle *handle;
wl_list_for_each(handle, &wlr_seat->handles, link) {
wl_seat_send_capabilities(handle->wl_resource, capabilities);
}
}
void wlr_seat_set_name(struct wlr_seat *wlr_seat, const char *name) {
free(wlr_seat->name);
wlr_seat->name = strdup(name);
struct wlr_seat_handle *handle;
wl_list_for_each(handle, &wlr_seat->handles, link) {
wl_seat_send_name(handle->wl_resource, name);
}
}