#include "idev.h"
#include "idev-internal.h"
#include "macro.h"
+#include "term-internal.h"
#include "util.h"
typedef struct kbdtbl kbdtbl;
uint32_t n_syms;
idev_data evdata;
idev_data repdata;
+ uint32_t *compose_res;
bool repeating : 1;
};
return kbdctx_query_locale(kc);
}
+static void kbdctx_log_fn(struct xkb_context *ctx, enum xkb_log_level lvl, const char *format, va_list args) {
+ char buf[LINE_MAX];
+ int sd_lvl;
+
+ if (lvl >= XKB_LOG_LEVEL_DEBUG)
+ sd_lvl = LOG_DEBUG;
+ else if (lvl >= XKB_LOG_LEVEL_INFO)
+ sd_lvl = LOG_INFO;
+ else if (lvl >= XKB_LOG_LEVEL_WARNING)
+ sd_lvl = LOG_INFO; /* most XKB warnings really are informational */
+ else if (lvl >= XKB_LOG_LEVEL_ERROR)
+ sd_lvl = LOG_ERR;
+ else if (lvl >= XKB_LOG_LEVEL_CRITICAL)
+ sd_lvl = LOG_CRIT;
+ else
+ sd_lvl = LOG_CRIT;
+
+ snprintf(buf, sizeof(buf), "idev-xkb: %s", format);
+ log_internalv(sd_lvl, 0, __FILE__, __LINE__, __func__, buf, args);
+}
+
static kbdctx *kbdctx_ref(kbdctx *kc) {
assert_return(kc, NULL);
assert_return(kc->ref > 0, NULL);
kc->context = c;
errno = 0;
- kc->xkb_context = xkb_context_new(0);
+ kc->xkb_context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
if (!kc->xkb_context)
return errno > 0 ? -errno : -EFAULT;
+ xkb_context_set_log_fn(kc->xkb_context, kbdctx_log_fn);
+ xkb_context_set_log_level(kc->xkb_context, XKB_LOG_LEVEL_DEBUG);
+
r = kbdctx_refresh_keymap(kc);
if (r < 0)
return r;
return r;
}
+static int keyboard_resize_bufs(idev_keyboard *k, uint32_t n_syms) {
+ uint32_t *t;
+
+ if (n_syms <= k->n_syms)
+ return 0;
+
+ t = realloc(k->compose_res, sizeof(*t) * n_syms);
+ if (!t)
+ return -ENOMEM;
+ k->compose_res = t;
+
+ t = realloc(k->evdata.keyboard.keysyms, sizeof(*t) * n_syms);
+ if (!t)
+ return -ENOMEM;
+ k->evdata.keyboard.keysyms = t;
+
+ t = realloc(k->evdata.keyboard.codepoints, sizeof(*t) * n_syms);
+ if (!t)
+ return -ENOMEM;
+ k->evdata.keyboard.codepoints = t;
+
+ t = realloc(k->repdata.keyboard.keysyms, sizeof(*t) * n_syms);
+ if (!t)
+ return -ENOMEM;
+ k->repdata.keyboard.keysyms = t;
+
+ t = realloc(k->repdata.keyboard.codepoints, sizeof(*t) * n_syms);
+ if (!t)
+ return -ENOMEM;
+ k->repdata.keyboard.codepoints = t;
+
+ k->n_syms = n_syms;
+ return 0;
+}
+
+static unsigned int keyboard_read_compose(idev_keyboard *k, const xkb_keysym_t **out) {
+ _cleanup_free_ char *t = NULL;
+ term_utf8 u8 = { };
+ char buf[256], *p;
+ size_t flen = 0;
+ int i, r;
+
+ r = xkb_compose_state_get_utf8(k->xkb_compose, buf, sizeof(buf));
+ if (r >= (int)sizeof(buf)) {
+ t = malloc(r + 1);
+ if (!t)
+ return 0;
+
+ xkb_compose_state_get_utf8(k->xkb_compose, t, r + 1);
+ p = t;
+ } else {
+ p = buf;
+ }
+
+ for (i = 0; i < r; ++i) {
+ uint32_t *ucs;
+ size_t len, j;
+
+ len = term_utf8_decode(&u8, &ucs, p[i]);
+ if (len > 0) {
+ r = keyboard_resize_bufs(k, flen + len);
+ if (r < 0)
+ return 0;
+
+ for (j = 0; j < len; ++j)
+ k->compose_res[flen++] = ucs[j];
+ }
+ }
+
+ *out = k->compose_res;
+ return flen;
+}
+
static void keyboard_arm(idev_keyboard *k, usec_t usecs) {
int r;
static int keyboard_repeat_timer_fn(sd_event_source *source, uint64_t usec, void *userdata) {
idev_keyboard *k = userdata;
+ /* never feed REPEAT keys into COMPOSE */
+
keyboard_arm(k, k->repeat_rate);
return keyboard_raise_data(k, &k->repdata);
}
if (r < 0)
return r;
+ r = keyboard_resize_bufs(k, 8);
+ if (r < 0)
+ return r;
+
r = sd_event_add_time(s->context->event,
&k->repeat_timer,
CLOCK_MONOTONIC,
free(k->repdata.keyboard.keysyms);
free(k->evdata.keyboard.codepoints);
free(k->evdata.keyboard.keysyms);
+ free(k->compose_res);
k->repeat_timer = sd_event_source_unref(k->repeat_timer);
k->kbdtbl = kbdtbl_unref(k->kbdtbl);
k->kbdmap = kbdmap_unref(k->kbdmap);
const uint32_t *keysyms) {
idev_data_keyboard *kev;
uint32_t i;
+ int r;
assert(dst == &k->evdata || dst == &k->repdata);
- if (n_syms > k->n_syms) {
- uint32_t *t;
-
- t = realloc(k->evdata.keyboard.keysyms, sizeof(*t) * n_syms);
- if (!t)
- return -ENOMEM;
- k->evdata.keyboard.keysyms = t;
-
- t = realloc(k->evdata.keyboard.codepoints, sizeof(*t) * n_syms);
- if (!t)
- return -ENOMEM;
- k->evdata.keyboard.codepoints = t;
-
- t = realloc(k->repdata.keyboard.keysyms, sizeof(*t) * n_syms);
- if (!t)
- return -ENOMEM;
- k->repdata.keyboard.keysyms = t;
-
- t = realloc(k->repdata.keyboard.codepoints, sizeof(*t) * n_syms);
- if (!t)
- return -ENOMEM;
- k->repdata.keyboard.codepoints = t;
-
- k->n_syms = n_syms;
- }
+ r = keyboard_resize_bufs(k, n_syms);
+ if (r < 0)
+ return r;
dst->type = IDEV_DATA_KEYBOARD;
dst->resync = resync;
}
for (i = 0; i < IDEV_KBDMOD_CNT; ++i) {
- int r;
-
if (k->kbdmap->modmap[i] == XKB_MOD_INVALID)
continue;
static int keyboard_feed_evdev(idev_keyboard *k, idev_data *data) {
struct input_event *ev = &data->evdev.event;
enum xkb_state_component compch;
+ enum xkb_compose_status cstatus;
const xkb_keysym_t *keysyms;
idev_device *d = &k->device;
int num, r;
goto error;
}
+ if (k->xkb_compose && ev->value == KBDKEY_DOWN) {
+ if (num == 1 && !data->resync) {
+ xkb_compose_state_feed(k->xkb_compose, keysyms[0]);
+ cstatus = xkb_compose_state_get_status(k->xkb_compose);
+ } else {
+ cstatus = XKB_COMPOSE_CANCELLED;
+ }
+
+ switch (cstatus) {
+ case XKB_COMPOSE_NOTHING:
+ /* keep produced keysyms and forward unchanged */
+ break;
+ case XKB_COMPOSE_COMPOSING:
+ /* consumed by compose-state, drop keysym */
+ keysyms = NULL;
+ num = 0;
+ break;
+ case XKB_COMPOSE_COMPOSED:
+ /* compose-state produced sth, replace keysym */
+ num = keyboard_read_compose(k, &keysyms);
+ xkb_compose_state_reset(k->xkb_compose);
+ break;
+ case XKB_COMPOSE_CANCELLED:
+ /* canceled compose, reset, forward cancellation sym */
+ xkb_compose_state_reset(k->xkb_compose);
+ break;
+ }
+ } else if (k->xkb_compose &&
+ num == 1 &&
+ keysyms[0] == XKB_KEY_Multi_key &&
+ !data->resync &&
+ ev->value == KBDKEY_UP) {
+ /* Reset compose state on Multi-Key UP events. This effectively
+ * requires you to hold the key during the whole sequence. I
+ * think it's pretty handy to avoid accidental
+ * Compose-sequences, but this may break Compose for disabled
+ * people. We really need to make this opional! (TODO) */
+ xkb_compose_state_reset(k->xkb_compose);
+ }
+
+ if (ev->value == KBDKEY_UP) {
+ /* never produce keysyms for UP */
+ keysyms = NULL;
+ num = 0;
+ }
+
r = keyboard_fill(k, &k->evdata, data->resync, ev->code, ev->value, num, keysyms);
if (r < 0)
goto error;