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seat.c
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seat.c
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#include <assert.h>
#include <stdlib.h>
#include <sys/mman.h>
#include <unistd.h>
#include <xkbcommon/xkbcommon.h>
#include "log.h"
#include "swaylock.h"
#include "seat.h"
#include "loop.h"
static void keyboard_keymap(void *data, struct wl_keyboard *wl_keyboard,
uint32_t format, int32_t fd, uint32_t size) {
struct swaylock_seat *seat = data;
struct swaylock_state *state = seat->state;
if (format != WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1) {
close(fd);
swaylock_log(LOG_ERROR, "Unknown keymap format %d, aborting", format);
exit(1);
}
char *map_shm = mmap(NULL, size - 1, PROT_READ, MAP_PRIVATE, fd, 0);
if (map_shm == MAP_FAILED) {
close(fd);
swaylock_log(LOG_ERROR, "Unable to initialize keymap shm, aborting");
exit(1);
}
struct xkb_keymap *keymap = xkb_keymap_new_from_buffer(
state->xkb.context, map_shm, size - 1, XKB_KEYMAP_FORMAT_TEXT_V1,
XKB_KEYMAP_COMPILE_NO_FLAGS);
munmap(map_shm, size - 1);
close(fd);
assert(keymap);
struct xkb_state *xkb_state = xkb_state_new(keymap);
assert(xkb_state);
xkb_keymap_unref(state->xkb.keymap);
xkb_state_unref(state->xkb.state);
state->xkb.keymap = keymap;
state->xkb.state = xkb_state;
}
static void keyboard_enter(void *data, struct wl_keyboard *wl_keyboard,
uint32_t serial, struct wl_surface *surface, struct wl_array *keys) {
// Who cares
}
static void keyboard_leave(void *data, struct wl_keyboard *wl_keyboard,
uint32_t serial, struct wl_surface *surface) {
// Who cares
}
static void keyboard_repeat(void *data) {
struct swaylock_seat *seat = data;
struct swaylock_state *state = seat->state;
seat->repeat_timer = loop_add_timer(
state->eventloop, seat->repeat_period_ms, keyboard_repeat, seat);
swaylock_handle_key(state, seat->repeat_sym, seat->repeat_codepoint);
}
static void keyboard_key(void *data, struct wl_keyboard *wl_keyboard,
uint32_t serial, uint32_t time, uint32_t key, uint32_t _key_state) {
struct swaylock_seat *seat = data;
struct swaylock_state *state = seat->state;
enum wl_keyboard_key_state key_state = _key_state;
xkb_keysym_t sym = xkb_state_key_get_one_sym(state->xkb.state, key + 8);
uint32_t keycode = key_state == WL_KEYBOARD_KEY_STATE_PRESSED ?
key + 8 : 0;
uint32_t codepoint = xkb_state_key_get_utf32(state->xkb.state, keycode);
if (key_state == WL_KEYBOARD_KEY_STATE_PRESSED) {
swaylock_handle_key(state, sym, codepoint);
}
if (seat->repeat_timer) {
loop_remove_timer(seat->state->eventloop, seat->repeat_timer);
seat->repeat_timer = NULL;
}
if (key_state == WL_KEYBOARD_KEY_STATE_PRESSED && seat->repeat_period_ms > 0) {
seat->repeat_sym = sym;
seat->repeat_codepoint = codepoint;
seat->repeat_timer = loop_add_timer(
seat->state->eventloop, seat->repeat_delay_ms, keyboard_repeat, seat);
}
}
static void keyboard_modifiers(void *data, struct wl_keyboard *wl_keyboard,
uint32_t serial, uint32_t mods_depressed, uint32_t mods_latched,
uint32_t mods_locked, uint32_t group) {
struct swaylock_seat *seat = data;
struct swaylock_state *state = seat->state;
if (state->xkb.state == NULL) {
return;
}
int layout_same = xkb_state_layout_index_is_active(state->xkb.state,
group, XKB_STATE_LAYOUT_EFFECTIVE);
if (!layout_same) {
damage_state(state);
}
xkb_state_update_mask(state->xkb.state,
mods_depressed, mods_latched, mods_locked, 0, 0, group);
int caps_lock = xkb_state_mod_name_is_active(state->xkb.state,
XKB_MOD_NAME_CAPS, XKB_STATE_MODS_LOCKED);
if (caps_lock != state->xkb.caps_lock) {
state->xkb.caps_lock = caps_lock;
damage_state(state);
}
state->xkb.control = xkb_state_mod_name_is_active(state->xkb.state,
XKB_MOD_NAME_CTRL,
XKB_STATE_MODS_DEPRESSED | XKB_STATE_MODS_LATCHED);
}
static void keyboard_repeat_info(void *data, struct wl_keyboard *wl_keyboard,
int32_t rate, int32_t delay) {
struct swaylock_seat *seat = data;
if (rate <= 0) {
seat->repeat_period_ms = -1;
} else {
// Keys per second -> milliseconds between keys
seat->repeat_period_ms = 1000 / rate;
}
seat->repeat_delay_ms = delay;
}
static const struct wl_keyboard_listener keyboard_listener = {
.keymap = keyboard_keymap,
.enter = keyboard_enter,
.leave = keyboard_leave,
.key = keyboard_key,
.modifiers = keyboard_modifiers,
.repeat_info = keyboard_repeat_info,
};
static void wl_pointer_enter(void *data, struct wl_pointer *wl_pointer,
uint32_t serial, struct wl_surface *surface,
wl_fixed_t surface_x, wl_fixed_t surface_y) {
wl_pointer_set_cursor(wl_pointer, serial, NULL, 0, 0);
}
static void wl_pointer_leave(void *data, struct wl_pointer *wl_pointer,
uint32_t serial, struct wl_surface *surface) {
// Who cares
}
static void wl_pointer_motion(void *data, struct wl_pointer *wl_pointer,
uint32_t time, wl_fixed_t surface_x, wl_fixed_t surface_y) {
swaylock_handle_mouse((struct swaylock_state *)data);
}
static void wl_pointer_button(void *data, struct wl_pointer *wl_pointer,
uint32_t serial, uint32_t time, uint32_t button, uint32_t state) {
swaylock_handle_mouse((struct swaylock_state *)data);
}
static void wl_pointer_axis(void *data, struct wl_pointer *wl_pointer,
uint32_t time, uint32_t axis, wl_fixed_t value) {
swaylock_handle_mouse((struct swaylock_state *)data);
}
static void wl_pointer_frame(void *data, struct wl_pointer *wl_pointer) {
// Who cares
}
static void wl_pointer_axis_source(void *data, struct wl_pointer *wl_pointer,
uint32_t axis_source) {
// Who cares
}
static void wl_pointer_axis_stop(void *data, struct wl_pointer *wl_pointer,
uint32_t time, uint32_t axis) {
// Who cares
}
static void wl_pointer_axis_discrete(void *data, struct wl_pointer *wl_pointer,
uint32_t axis, int32_t discrete) {
// Who cares
}
static const struct wl_pointer_listener pointer_listener = {
.enter = wl_pointer_enter,
.leave = wl_pointer_leave,
.motion = wl_pointer_motion,
.button = wl_pointer_button,
.axis = wl_pointer_axis,
.frame = wl_pointer_frame,
.axis_source = wl_pointer_axis_source,
.axis_stop = wl_pointer_axis_stop,
.axis_discrete = wl_pointer_axis_discrete,
};
static void wl_touch_down(void *data, struct wl_touch *touch, uint32_t serial,
uint32_t time, struct wl_surface *surface, int32_t id, wl_fixed_t x, wl_fixed_t y) {
swaylock_handle_touch((struct swaylock_state *)data);
}
static void wl_touch_up(void *data, struct wl_touch *touch, uint32_t serial,
uint32_t time, int32_t id) {
// Who cares
}
static void wl_touch_motion(void *data, struct wl_touch *touch, uint32_t time,
int32_t id, wl_fixed_t x, wl_fixed_t y) {
swaylock_handle_touch((struct swaylock_state *)data);
}
static void wl_touch_frame(void *data, struct wl_touch *touch) {
// Who cares
}
static void wl_touch_cancel(void *data, struct wl_touch *touch) {
// Who cares
}
static const struct wl_touch_listener touch_listener = {
.down = wl_touch_down,
.up = wl_touch_up,
.motion = wl_touch_motion,
.frame = wl_touch_frame,
.cancel = wl_touch_cancel,
};
static void seat_handle_capabilities(void *data, struct wl_seat *wl_seat,
enum wl_seat_capability caps) {
struct swaylock_seat *seat = data;
if (seat->pointer) {
wl_pointer_release(seat->pointer);
seat->pointer = NULL;
}
if (seat->keyboard) {
wl_keyboard_release(seat->keyboard);
seat->keyboard = NULL;
}
if ((caps & WL_SEAT_CAPABILITY_POINTER)) {
seat->pointer = wl_seat_get_pointer(wl_seat);
wl_pointer_add_listener(seat->pointer, &pointer_listener, seat->state);
}
if ((caps & WL_SEAT_CAPABILITY_KEYBOARD)) {
seat->keyboard = wl_seat_get_keyboard(wl_seat);
wl_keyboard_add_listener(seat->keyboard, &keyboard_listener, seat);
}
if ((caps & WL_SEAT_CAPABILITY_TOUCH)) {
seat->touch = wl_seat_get_touch(wl_seat);
wl_touch_add_listener(seat->touch, &touch_listener, seat->state);
}
}
static void seat_handle_name(void *data, struct wl_seat *wl_seat,
const char *name) {
// Who cares
}
const struct wl_seat_listener seat_listener = {
.capabilities = seat_handle_capabilities,
.name = seat_handle_name,
};