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80 lines
2.2 KiB
80 lines
2.2 KiB
#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/mman.h>
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#include <unistd.h>
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#include <wayland-server.h>
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#include <wlr/types/wlr_keyboard.h>
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#include <wlr/interfaces/wlr_keyboard.h>
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#include <wlr/util/log.h>
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int os_create_anonymous_file(off_t size);
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static void keyboard_led_update(struct wlr_keyboard *keyboard) {
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uint32_t leds = 0;
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for (uint32_t i = 0; i < WLR_LED_LAST; ++i) {
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if (xkb_state_led_index_is_active(keyboard->xkb_state, keyboard->leds[i])) {
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leds |= (1 << i);
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}
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}
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wlr_keyboard_led_update(keyboard, leds);
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}
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void wlr_keyboard_update_state(struct wlr_keyboard *keyboard,
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struct wlr_event_keyboard_key *event) {
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uint32_t keycode = event->keycode + 8;
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xkb_state_update_key(keyboard->xkb_state, keycode,
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event->state == WLR_KEY_PRESSED ? XKB_KEY_DOWN : XKB_KEY_UP);
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keyboard_led_update(keyboard);
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wl_signal_emit(&keyboard->events.key, event);
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}
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void wlr_keyboard_init(struct wlr_keyboard *kb,
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struct wlr_keyboard_impl *impl) {
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kb->impl = impl;
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wl_signal_init(&kb->events.key);
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wl_signal_init(&kb->events.keymap);
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}
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void wlr_keyboard_destroy(struct wlr_keyboard *kb) {
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if (kb && kb->impl && kb->impl->destroy) {
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kb->impl->destroy(kb);
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} else {
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wl_list_remove(&kb->events.key.listener_list);
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}
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xkb_state_unref(kb->xkb_state);
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xkb_map_unref(kb->keymap);
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close(kb->keymap_fd);
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free(kb);
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}
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void wlr_keyboard_led_update(struct wlr_keyboard *kb, uint32_t leds) {
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if (kb->impl && kb->impl->led_update) {
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kb->impl->led_update(kb, leds);
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}
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}
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void wlr_keyboard_set_keymap(struct wlr_keyboard *kb,
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struct xkb_keymap *keymap) {
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wlr_log(L_DEBUG, "Keymap set");
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kb->keymap = keymap;
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assert(kb->xkb_state = xkb_state_new(kb->keymap));
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const char *led_names[3] = {
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XKB_LED_NAME_NUM,
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XKB_LED_NAME_CAPS,
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XKB_LED_NAME_SCROLL
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};
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for (uint32_t i = 0; i < 3; ++i) {
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kb->leds[i] = xkb_map_led_get_index(kb->keymap, led_names[i]);
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}
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char *keymap_str = xkb_keymap_get_as_string(kb->keymap,
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XKB_KEYMAP_FORMAT_TEXT_V1);
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kb->keymap_size = strlen(keymap_str) + 1;
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kb->keymap_fd = os_create_anonymous_file(kb->keymap_size);
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void *ptr = mmap(NULL, kb->keymap_size,
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PROT_READ | PROT_WRITE, MAP_SHARED, kb->keymap_fd, 0);
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strcpy(ptr, keymap_str);
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free(keymap_str);
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wl_signal_emit(&kb->events.keymap, kb);
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}
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