mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-02 03:45:58 +01:00
117 lines
3.3 KiB
C
117 lines
3.3 KiB
C
#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_COUNT; ++i) {
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if (xkb_state_led_index_is_active(keyboard->xkb_state,
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keyboard->led_indexes[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_update_modifiers(struct wlr_keyboard *keyboard,
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uint32_t mods_depressed, uint32_t mods_latched, uint32_t mods_locked,
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uint32_t group) {
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keyboard->modifiers.depressed = mods_depressed;
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keyboard->modifiers.latched = mods_latched;
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keyboard->modifiers.locked = mods_locked;
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keyboard->modifiers.group = group;
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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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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[WLR_LED_COUNT] = {
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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 (size_t i = 0; i < WLR_LED_COUNT; ++i) {
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kb->led_indexes[i] = xkb_map_led_get_index(kb->keymap, led_names[i]);
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}
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const char *mod_names[WLR_MODIFIER_COUNT] = {
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XKB_MOD_NAME_SHIFT,
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XKB_MOD_NAME_CAPS,
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XKB_MOD_NAME_CTRL, // "Control"
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XKB_MOD_NAME_ALT, // "Mod1"
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XKB_MOD_NAME_NUM, // "Mod2"
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"Mod3",
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XKB_MOD_NAME_LOGO, // "Mod4"
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"Mod5",
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};
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// TODO: there's also "Ctrl", "Alt"?
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for (size_t i = 0; i < WLR_MODIFIER_COUNT; ++i) {
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kb->mod_indexes[i] = xkb_map_mod_get_index(kb->keymap, mod_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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uint32_t wlr_keyboard_get_modifiers(struct wlr_keyboard *kb) {
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xkb_mod_mask_t mask = kb->modifiers.depressed | kb->modifiers.latched;
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uint32_t modifiers = 0;
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for (size_t i = 0; i < WLR_MODIFIER_COUNT; ++i) {
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if (kb->mod_indexes[i] != XKB_MOD_INVALID &&
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(mask & (1 << kb->mod_indexes[i]))) {
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modifiers |= (1 << i);
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}
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}
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return modifiers;
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}
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