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-rw-r--r--src/wayland/keyboard.c452
1 files changed, 0 insertions, 452 deletions
diff --git a/src/wayland/keyboard.c b/src/wayland/keyboard.c
deleted file mode 100644
index f1170c6..0000000
--- a/src/wayland/keyboard.c
+++ /dev/null
@@ -1,452 +0,0 @@
-#include "internal.h"
-#include "common/keyboard.h"
-
-#define XKB_EVDEV_OFFSET 8
-#define KEYMAP_MAX_BYTES (8u * 1024 * 1024)
-
-void keyboard_text_reset(struct seat *s)
-{
- if (s->compose) xkb_compose_state_reset(s->compose);
-}
-
-void keyboard_repeat_stop(struct seat *s)
-{
- if (!s->repeat_held) return;
- s->repeat_held = false;
- if (s->repeat_fd >= 0) {
- struct itimerspec off = {0};
- timerfd_settime(s->repeat_fd, 0, &off, NULL);
- }
-}
-
-void keyboard_repeat_sync(struct seat *s)
-{
- if (s->repeat_fd < 0) return;
- struct itimerspec timer = {0};
- if (s->repeat_held && s->repeat_rate > 0) {
- uint64_t interval = 1000000000ull / (uint32_t)s->repeat_rate;
- if (!interval) interval = 1;
- uint64_t delay_ns = (uint64_t)s->repeat_delay * 1000000ull;
- if (!delay_ns) delay_ns = 1;
- timer.it_value = (struct timespec){ (time_t)(delay_ns / 1000000000ull), (long)(delay_ns % 1000000000ull) };
- timer.it_interval = (struct timespec){ (time_t)(interval / 1000000000ull), (long)(interval % 1000000000ull) };
- }
- timerfd_settime(s->repeat_fd, 0, &timer, NULL);
-}
-
-static const char *const input_mod_names[5] = {
- XKB_MOD_NAME_SHIFT, XKB_MOD_NAME_ALT,
- XKB_MOD_NAME_CTRL, XKB_MOD_NAME_LOGO,
- XKB_MOD_NAME_CAPS
-};
-
-static bool mod_active(const struct seat *s, const char *name)
-{
- return xkb_state_mod_name_is_active(s->xkb_state, name, XKB_STATE_MODS_EFFECTIVE) > 0;
-}
-
-static void resolve_input_mod_masks(struct seat *s)
-{
- memset(s->input_mod_masks, 0, sizeof(s->input_mod_masks));
- if (!s->xkb_keymap) return;
- struct xkb_state *probe = xkb_state_new(s->xkb_keymap);
- if (!probe) return;
- for (unsigned real = 0; real < 8; real++) {
- xkb_state_update_mask(probe, 1u << real, 0, 0, 0, 0, 0);
- for (unsigned i = 0; i < 5; i++) {
- if (xkb_state_mod_name_is_active(probe, input_mod_names[i],
- XKB_STATE_MODS_EFFECTIVE) > 0)
- s->input_mod_masks[i] |= 1u << real;
- }
- }
- xkb_state_unref(probe);
- s->input_mods_ready = true;
-}
-
-static void keyboard_keymap(void *data, struct wl_keyboard *keyboard,
- uint32_t format, int32_t fd, uint32_t size)
-{
- (void)keyboard;
- struct seat *s = data;
- keyboard_repeat_stop(s);
- keyboard_text_reset(s);
- s->input_mods_ready = false;
- if (format != WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1) {
- close(fd);
- return;
- }
- struct stat st;
- if (size == 0 || size > KEYMAP_MAX_BYTES ||
- fstat(fd, &st) < 0 || st.st_size < 0 || (uint64_t)st.st_size < size) {
- close(fd);
- return;
- }
- char *map_str = malloc(size);
- if (!map_str) {
- close(fd);
- return;
- }
- size_t off = 0;
- while (off < size) {
- ssize_t n = pread(fd, map_str + off, size - off, (off_t)off);
- if (n > 0) off += (size_t)n;
- else if (n == 0 || errno != EINTR) break;
- }
- close(fd);
- if (off < size) {
- free(map_str);
- return;
- }
-
- if (s->xkb_keymap)
- xkb_keymap_unref(s->xkb_keymap);
- if (s->xkb_state)
- xkb_state_unref(s->xkb_state);
- s->xkb_state = NULL;
-
- s->xkb_keymap = xkb_keymap_new_from_buffer(s->conn->xkb_ctx, map_str, size,
- XKB_KEYMAP_FORMAT_TEXT_V1, XKB_KEYMAP_COMPILE_NO_FLAGS);
- free(map_str);
-
- if (s->xkb_keymap) {
- s->xkb_state = xkb_state_new(s->xkb_keymap);
- s->mod_shift = xkb_keymap_mod_get_index(s->xkb_keymap, XKB_MOD_NAME_SHIFT);
- s->mod_alt = xkb_keymap_mod_get_index(s->xkb_keymap, XKB_MOD_NAME_ALT);
- s->mod_ctrl = xkb_keymap_mod_get_index(s->xkb_keymap, XKB_MOD_NAME_CTRL);
- s->mod_super = xkb_keymap_mod_get_index(s->xkb_keymap, XKB_MOD_NAME_LOGO);
- resolve_input_mod_masks(s);
- }
-}
-
-static void keyboard_reset_keys(struct seat *s, struct wayland_surface *w)
-{
- (void)w;
- keyboard_repeat_stop(s);
- keyboard_text_reset(s);
-}
-
-bool conn_keyboard_on(const struct wayland_display *c, const struct wayland_surface *w,
- const struct seat *except)
-{
- for (const struct seat *s = c->seats; s; s = s->next)
- if (s != except && s->keyboard_focus == w)
- return true;
- return false;
-}
-
-static void push_focus(struct wayland_surface *w, bool focused)
-{
- struct yasl_input_event ev = {
- .kind = YASL_INPUT_FOCUS,
- .surface = &w->base,
- .focus = { .focused = focused },
- };
- input_queue_push(&w->input, &ev);
-}
-
-static void keyboard_enter(void *data, struct wl_keyboard *keyboard,
- uint32_t serial, struct wl_surface *surface, struct wl_array *keys)
-{
- (void)keyboard; (void)serial; (void)keys;
- struct seat *s = data;
- struct wayland_surface *w = surface_root(conn_surface_for(s->conn, surface));
- bool same_window = w && w == s->focus_leaving;
- if (same_window)
- s->focus_leaving = NULL;
- if (!w) {
- s->keyboard_focus = NULL;
- return;
- }
- bool focused = conn_keyboard_on(s->conn, w, s);
- s->keyboard_focus = w;
- keyboard_reset_keys(s, w);
- if (!same_window && !focused)
- push_focus(w, true);
-}
-
-static void seat_settle_focus(struct seat *s)
-{
- struct wayland_surface *w = s->focus_leaving;
- if (!w)
- return;
- s->focus_leaving = NULL;
- if (!conn_keyboard_on(s->conn, w, NULL))
- push_focus(w, false);
-}
-
-void keyboard_settle_focus(struct wayland_display *c)
-{
- for (struct seat *s = c->seats; s; s = s->next)
- if (s->focus_leaving)
- seat_settle_focus(s);
-}
-
-static void keyboard_leave(void *data, struct wl_keyboard *keyboard,
- uint32_t serial, struct wl_surface *surface)
-{
- (void)keyboard; (void)serial; (void)surface;
- struct seat *s = data;
- struct wayland_surface *w = s->keyboard_focus;
- s->keyboard_focus = NULL;
- if (!w) return;
- keyboard_reset_keys(s, w);
- seat_settle_focus(s);
- s->focus_leaving = w;
-}
-
-static unsigned input_modifiers(struct seat *s)
-{
- if (!s->input_mods_ready)
- resolve_input_mod_masks(s);
-
- unsigned mods = 0;
- xkb_mod_mask_t reported = 0;
- for (unsigned i = 0; i < 5; i++) {
- xkb_mod_mask_t mask = s->input_mod_masks[i];
- if (mask && (mask & ~reported) && mod_active(s, input_mod_names[i])) {
- mods |= 1u << i;
- reported |= mask;
- }
- }
- return mods;
-}
-
-static uint32_t key_codepoint_at_level(struct seat *s, uint32_t key, xkb_layout_index_t layout, xkb_level_index_t level)
-{
- const xkb_keysym_t *syms;
- int n = xkb_keymap_key_get_syms_by_level(s->xkb_keymap, key + XKB_EVDEV_OFFSET, layout, level, &syms);
- return n == 1 ? xkb_keysym_to_utf32(syms[0]) : 0;
-}
-
-static struct yasl_key_event xkb_key_event(struct seat *s, uint32_t key,
- enum yasl_key_action action)
-{
- uint32_t code = key + XKB_EVDEV_OFFSET;
- xkb_layout_index_t layout = xkb_state_key_get_layout(s->xkb_state, code);
-
- struct yasl_key_event k = {
- .key = yasl_key_from_evdev(key),
- .action = action,
- .mods = input_modifiers(s),
- .codepoint = yasl_key_label(key_codepoint_at_level(s, key, layout, 0)),
- .shifted = yasl_key_label(key_codepoint_at_level(s, key, layout, 1)),
- .native_code = key,
- };
- return k;
-}
-
-static void keyboard_text(struct seat *s, struct wayland_surface *w, uint32_t key)
-{
- uint32_t code = key + XKB_EVDEV_OFFSET;
- unsigned mods = input_modifiers(s);
- if ((mods & (YASL_MOD_CTRL | YASL_MOD_SUPER)) ||
- ((mods & YASL_MOD_ALT) &&
- !xkb_state_mod_index_is_consumed(s->xkb_state, code, s->mod_alt))) {
- keyboard_text_reset(s);
- return;
- }
- if (!s->compose_attempted) {
- s->compose_attempted = true;
- const char *locale = getenv("LC_ALL");
- if (!locale || !*locale) locale = getenv("LC_CTYPE");
- if (!locale || !*locale) locale = getenv("LANG");
- if (!locale || !*locale) locale = "C.UTF-8";
- struct xkb_compose_table *table = xkb_compose_table_new_from_locale(
- s->conn->xkb_ctx, locale, XKB_COMPOSE_COMPILE_NO_FLAGS);
- if (table) {
- s->compose = xkb_compose_state_new(table, XKB_COMPOSE_STATE_NO_FLAGS);
- xkb_compose_table_unref(table);
- }
- }
- bool composed = false;
- if (s->compose) {
- xkb_compose_state_feed(s->compose, xkb_state_key_get_one_sym(s->xkb_state, code));
- switch (xkb_compose_state_get_status(s->compose)) {
- case XKB_COMPOSE_COMPOSING: return;
- case XKB_COMPOSE_CANCELLED: keyboard_text_reset(s); return;
- case XKB_COMPOSE_COMPOSED: composed = true; break;
- default: break;
- }
- }
- int len = composed ? xkb_compose_state_get_utf8(s->compose, NULL, 0) :
- xkb_state_key_get_utf8(s->xkb_state, code, NULL, 0);
- if (len > 0) {
- char local[128];
- char *text = (size_t)len < sizeof(local) ? local : malloc((size_t)len + 1);
- if (text) {
- if (composed) xkb_compose_state_get_utf8(s->compose, text, (size_t)len + 1);
- else xkb_state_key_get_utf8(s->xkb_state, code, text, (size_t)len + 1);
- /* Editing commands belong to key events, not text insertion. */
- if ((unsigned char)text[0] >= 0x20 && text[0] != 0x7f) {
- struct yasl_input_event ev = {.kind = YASL_INPUT_TEXT,
- .surface = &w->base, .text = {text, (size_t)len}};
- input_queue_push(&w->input, &ev);
- }
- if (text != local) free(text);
- } else {
- struct yasl_input_event ev = {.kind = YASL_INPUT_RESET, .surface = &w->base};
- input_queue_push(&w->input, &ev);
- }
- }
- if (composed) keyboard_text_reset(s);
-}
-
-static bool keyboard_dispatch_key(struct seat *s, struct wayland_surface *w, uint32_t key,
- enum yasl_key_action action)
-{
- if (!s->xkb_state || !w->cbs) return false;
-
- struct yasl_key_event k = xkb_key_event(s, key, action);
- struct yasl_input_event ev = {
- .kind = YASL_INPUT_KEY,
- .surface = &w->base,
- .key = k,
- };
- if (!input_queue_push(&w->input, &ev)) {
- keyboard_text_reset(s);
- return false;
- }
- if (action != YASL_KEY_RELEASE) keyboard_text(s, w, key);
- return action != YASL_KEY_RELEASE;
-}
-
-static void keyboard_key(void *data, struct wl_keyboard *keyboard,
- uint32_t serial, uint32_t time, uint32_t key, uint32_t state)
-{
- (void)keyboard; (void)time;
- struct seat *s = data;
- struct wayland_surface *w = s->keyboard_focus;
- if (!w) return;
- seat_note_input(s, serial);
- if (state == WL_KEYBOARD_KEY_STATE_RELEASED) {
- if (s->repeat_held && key == s->repeat_key) keyboard_repeat_stop(s);
- keyboard_dispatch_key(s, w, key, YASL_KEY_RELEASE);
- return;
- }
- if (state != WL_KEYBOARD_KEY_STATE_PRESSED || !s->xkb_keymap) return;
- bool repeatable = xkb_keymap_key_repeats(s->xkb_keymap, key + XKB_EVDEV_OFFSET);
- if (repeatable) keyboard_repeat_stop(s);
- if (keyboard_dispatch_key(s, w, key, YASL_KEY_PRESS) && repeatable) {
- s->repeat_key = key;
- s->repeat_held = true;
- s->repeat_started_ns = yasl_loop_now_ns();
- keyboard_repeat_sync(s);
- }
-}
-
-static int keyboard_repeat_ready(int fd, short revents, void *data)
-{
- struct seat *s = data;
- uint64_t count;
- if (!(revents & POLLIN) || read(fd, &count, sizeof(count)) != sizeof(count)) return 0;
-
- struct wayland_surface *w = s->keyboard_focus;
- if (!w) {
- keyboard_repeat_stop(s);
- return 0;
- }
- if (count > 32) count = 32;
- while (count-- && s->repeat_held && s->repeat_rate > 0) {
- if (!keyboard_dispatch_key(s, w, s->repeat_key, YASL_KEY_REPEAT))
- keyboard_repeat_stop(s);
- }
- return 0;
-}
-
-static void keyboard_modifiers(void *data, struct wl_keyboard *keyboard,
- uint32_t serial, uint32_t mods_depressed, uint32_t mods_latched,
- uint32_t mods_locked, uint32_t group)
-{
- (void)keyboard; (void)serial;
- struct seat *s = data;
- if (s->xkb_state) {
- xkb_state_update_mask(s->xkb_state, mods_depressed, mods_latched,
- mods_locked, 0, 0, group);
- }
-}
-
-static void keyboard_repeat_info(void *data, struct wl_keyboard *keyboard,
- int32_t rate, int32_t delay)
-{
- (void)keyboard;
- struct seat *s = data;
- s->repeat_rate = rate > 0 ? rate : 0;
- s->repeat_delay = delay > 0 ? delay : 0;
- keyboard_repeat_sync(s);
-}
-
-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,
-};
-
-int keyboard_repeat_init(struct seat *s)
-{
- if (s->repeat_fd >= 0) return 0;
- s->repeat_fd = timerfd_create(CLOCK_MONOTONIC, TFD_NONBLOCK | TFD_CLOEXEC);
- if (s->repeat_fd < 0) return -1;
- s->repeat_watch = yasl_loop_add_fd(s->conn->loop, s->repeat_fd, POLLIN,
- keyboard_repeat_ready, s);
- if (s->repeat_watch <= 0) {
- s->repeat_watch = 0;
- close(s->repeat_fd);
- s->repeat_fd = -1;
- return -1;
- }
- keyboard_repeat_sync(s);
- return 0;
-}
-
-static bool mod_index_active(const struct seat *s, xkb_mod_index_t mod)
-{
- return mod != XKB_MOD_INVALID &&
- xkb_state_mod_index_is_active(s->xkb_state, mod,
- XKB_STATE_MODS_EFFECTIVE) > 0;
-}
-
-int seat_modifiers(const struct seat *s)
-{
- if (unlikely(!s || !s->xkb_state)) return 0;
- return (mod_index_active(s, s->mod_shift) * YASL_MOD_SHIFT) |
- (mod_index_active(s, s->mod_alt) * YASL_MOD_ALT) |
- (mod_index_active(s, s->mod_ctrl) * YASL_MOD_CTRL) |
- (mod_index_active(s, s->mod_super) * YASL_MOD_SUPER) |
- (mod_active(s, XKB_MOD_NAME_CAPS) * YASL_MOD_CAPS);
-}
-
-int wayland_display_modifiers(const struct wayland_display *c)
-{
- return c ? seat_modifiers(conn_active_seat(c)) : 0;
-}
-
-void wayland_display_copy(struct wayland_display *c, enum yasl_selection sel, const char *text)
-{
- struct seat *s = c ? conn_active_seat(c) : NULL;
- if (!s || !s->clipboard)
- return;
- if (sel == YASL_PRIMARY)
- clipboard_copy_primary(s->clipboard, text, s->input_serial);
- else
- clipboard_copy(s->clipboard, text, s->input_serial);
-}
-
-void wayland_display_paste(struct wayland_display *c, enum yasl_selection sel, struct wayland_surface *target)
-{
- struct seat *s = c ? conn_active_seat(c) : NULL;
- if (!s || !s->clipboard)
- return;
- if (!target || target->closed) return;
- if (sel == YASL_PRIMARY)
- clipboard_paste_primary(s->clipboard, target->surface);
- else
- clipboard_paste(s->clipboard, target->surface);
-}
-
-bool wayland_surface_input_poll(struct wayland_surface *w, struct yasl_input_event *ev)
-{
- return w && ev && input_queue_pop(&w->input, ev);
-}
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