wlroots/rootston/keyboard.c

126 lines
3.8 KiB
C

#include <assert.h>
#include <stdint.h>
#include <stdlib.h>
#include <wayland-server.h>
#include <wlr/types/wlr_input_device.h>
#include <wlr/types/wlr_pointer.h>
#include <wlr/backend/multi.h>
#include <wlr/backend/session.h>
#include <wlr/util/log.h>
#include <xkbcommon/xkbcommon.h>
#include "rootston/input.h"
static ssize_t keyboard_pressed_key_index(struct roots_keyboard *keyboard,
uint32_t keycode) {
for (size_t i = 0; i < ROOTS_KEYBOARD_PRESSED_KEYS_CAP; i++) {
if (keyboard->pressed_keys[i].keycode == keycode) {
return i;
}
}
return -1;
}
static void keyboard_key_press(struct roots_keyboard *keyboard,
struct roots_keyboard_key *key) {
struct roots_server *server = keyboard->input->server;
ssize_t i = keyboard_pressed_key_index(keyboard, key->keycode);
if (i < 0) {
i = keyboard_pressed_key_index(keyboard, 0);
if (i >= 0) {
memcpy(&keyboard->pressed_keys[i], key,
sizeof(struct roots_keyboard_key));
}
}
for (size_t i = 0; i < key->syms_len; i++) {
xkb_keysym_t sym = key->syms[i];
if (sym == XKB_KEY_Escape) {
// TEMPORARY, probably
wl_display_terminate(server->wl_display);
} else if (sym >= XKB_KEY_XF86Switch_VT_1 &&
sym <= XKB_KEY_XF86Switch_VT_12) {
if (wlr_backend_is_multi(server->backend)) {
struct wlr_session *session =
wlr_multi_get_session(server->backend);
if (session) {
unsigned vt = sym - XKB_KEY_XF86Switch_VT_1 + 1;
wlr_session_change_vt(session, vt);
}
}
}
}
}
static void keyboard_key_release(struct roots_keyboard *keyboard,
struct roots_keyboard_key *key) {
ssize_t i = keyboard_pressed_key_index(keyboard, key->keycode);
if (i >= 0) {
struct roots_keyboard_key *pressed_key = &keyboard->pressed_keys[i];
memset(pressed_key, 0, sizeof(struct roots_keyboard_key));
}
}
static void keyboard_key_notify(struct wl_listener *listener, void *data) {
struct wlr_event_keyboard_key *event = data;
struct roots_keyboard *keyboard = wl_container_of(listener, keyboard, key);
uint32_t keycode = event->keycode + 8;
const xkb_keysym_t *syms;
int syms_len = xkb_state_key_get_syms(keyboard->device->keyboard->xkb_state,
keycode, &syms);
struct roots_keyboard_key *key = calloc(1,
sizeof(struct roots_keyboard_key));
if (key == NULL) {
return;
}
key->keycode = keycode;
key->syms = syms;
key->syms_len = syms_len;
switch (event->state) {
case WLR_KEY_PRESSED:
keyboard_key_press(keyboard, key);
break;
case WLR_KEY_RELEASED:
keyboard_key_release(keyboard, key);
break;
}
free(key);
}
void keyboard_add(struct wlr_input_device *device, struct roots_input *input) {
struct roots_keyboard *keyboard = calloc(sizeof(struct roots_keyboard), 1);
device->data = keyboard;
keyboard->device = device;
keyboard->input = input;
wl_list_init(&keyboard->key.link);
keyboard->key.notify = keyboard_key_notify;
wl_signal_add(&device->keyboard->events.key, &keyboard->key);
wl_list_insert(&input->keyboards, &keyboard->link);
struct xkb_rule_names rules;
memset(&rules, 0, sizeof(rules));
rules.rules = getenv("XKB_DEFAULT_RULES");
rules.model = getenv("XKB_DEFAULT_MODEL");
rules.layout = getenv("XKB_DEFAULT_LAYOUT");
rules.variant = getenv("XKB_DEFAULT_VARIANT");
rules.options = getenv("XKB_DEFAULT_OPTIONS");
struct xkb_context *context;
assert(context = xkb_context_new(XKB_CONTEXT_NO_FLAGS));
wlr_keyboard_set_keymap(device->keyboard, xkb_map_new_from_names(context,
&rules, XKB_KEYMAP_COMPILE_NO_FLAGS));
xkb_context_unref(context);
wlr_seat_attach_keyboard(input->wl_seat, device);
}
void keyboard_remove(struct wlr_input_device *device, struct roots_input *input) {
struct roots_keyboard *keyboard = device->data;
wlr_seat_detach_keyboard(input->wl_seat, device->keyboard);
wl_list_remove(&keyboard->key.link);
wl_list_remove(&keyboard->link);
free(keyboard);
}