static void
process_event(struct keyboard *kbd, uint16_t type, uint16_t code, int32_t value)
{
xkb_keycode_t keycode;
struct xkb_keymap *keymap;
enum xkb_state_component changed;
if (type != EV_KEY)
return;
keycode = evdev_offset + code;
keymap = xkb_state_get_keymap(kbd->state);
if (value == KEY_STATE_REPEAT && !xkb_keymap_key_repeats(keymap, keycode))
return;
if (value != KEY_STATE_RELEASE)
test_print_keycode_state(kbd->state, keycode);
if (value == KEY_STATE_RELEASE)
changed = xkb_state_update_key(kbd->state, keycode, XKB_KEY_UP);
else
changed = xkb_state_update_key(kbd->state, keycode, XKB_KEY_DOWN);
if (report_state_changes)
test_print_state_changes(changed);
}
static void
test_serialisation(struct xkb_keymap *keymap)
{
struct xkb_state *state = xkb_state_new(keymap);
xkb_mod_mask_t base_mods;
xkb_mod_mask_t latched_mods;
xkb_mod_mask_t locked_mods;
xkb_mod_mask_t effective_mods;
xkb_mod_index_t caps, shift, ctrl;
xkb_layout_index_t base_group = 0;
xkb_layout_index_t latched_group = 0;
xkb_layout_index_t locked_group = 0;
assert(state);
caps = xkb_keymap_mod_get_index(keymap, XKB_MOD_NAME_CAPS);
assert(caps != XKB_MOD_INVALID);
shift = xkb_keymap_mod_get_index(keymap, XKB_MOD_NAME_SHIFT);
assert(shift != XKB_MOD_INVALID);
ctrl = xkb_keymap_mod_get_index(keymap, XKB_MOD_NAME_CTRL);
assert(ctrl != XKB_MOD_INVALID);
xkb_state_update_key(state, KEY_CAPSLOCK + EVDEV_OFFSET, XKB_KEY_DOWN);
xkb_state_update_key(state, KEY_CAPSLOCK + EVDEV_OFFSET, XKB_KEY_UP);
base_mods = xkb_state_serialize_mods(state, XKB_STATE_MODS_DEPRESSED);
assert(base_mods == 0);
latched_mods = xkb_state_serialize_mods(state, XKB_STATE_MODS_LATCHED);
assert(latched_mods == 0);
locked_mods = xkb_state_serialize_mods(state, XKB_STATE_MODS_LOCKED);
assert(locked_mods == (1U << caps));
effective_mods = xkb_state_serialize_mods(state, XKB_STATE_MODS_EFFECTIVE);
assert(effective_mods == locked_mods);
xkb_state_update_key(state, KEY_LEFTSHIFT + EVDEV_OFFSET, XKB_KEY_DOWN);
base_mods = xkb_state_serialize_mods(state, XKB_STATE_MODS_DEPRESSED);
assert(base_mods == (1U << shift));
latched_mods = xkb_state_serialize_mods(state, XKB_STATE_MODS_LATCHED);
assert(latched_mods == 0);
locked_mods = xkb_state_serialize_mods(state, XKB_STATE_MODS_LOCKED);
assert(locked_mods == (1U << caps));
effective_mods = xkb_state_serialize_mods(state, XKB_STATE_MODS_EFFECTIVE);
assert(effective_mods == (base_mods | locked_mods));
base_mods |= (1U << ctrl);
xkb_state_update_mask(state, base_mods, latched_mods, locked_mods,
base_group, latched_group, locked_group);
assert(xkb_state_mod_index_is_active(state, ctrl, XKB_STATE_MODS_DEPRESSED) > 0);
assert(xkb_state_mod_index_is_active(state, ctrl, XKB_STATE_MODS_EFFECTIVE) > 0);
xkb_state_unref(state);
}
/* FIXME: Don't handle composed and dead-keys properly.
* Waiting for support in libxkbcommon ... */
int handle_xkb(int code, int value)
{
unsigned i;
const xkb_keysym_t *syms = NULL;
unsigned num_syms = 0;
uint16_t mod = 0;
/* Convert Linux evdev to X11 (xkbcommon docs say so at least ...) */
int xk_code = code + 8;
if (!xkb_state)
return -1;
if (value == 2) /* Repeat, release first explicitly. */
xkb_state_update_key(xkb_state, xk_code, XKB_KEY_UP);
if (value)
num_syms = xkb_state_key_get_syms(xkb_state, xk_code, &syms);
if (value > 0)
xkb_state_update_key(xkb_state, xk_code, XKB_KEY_DOWN);
else
xkb_state_update_key(xkb_state, xk_code, XKB_KEY_UP);
if (!syms)
return -1;
/* Build mod state. */
for (i = 0; i < MOD_MAP_SIZE; i++)
{
xkb_mod_index_t *map_idx = (xkb_mod_index_t*)&mod_map_idx[i];
uint16_t *map_bit = (uint16_t *)&mod_map_bit[i];
if (*map_idx != XKB_MOD_INVALID)
mod |= xkb_state_mod_index_is_active(
xkb_state, *map_idx,
(enum xkb_state_component)
((XKB_STATE_MODS_EFFECTIVE) > 0)) ? *map_bit : 0;
}
input_keyboard_event(value, input_keymaps_translate_keysym_to_rk(code),
num_syms ? xkb_keysym_to_utf32(syms[0]) : 0, mod, RETRO_DEVICE_KEYBOARD);
for (i = 1; i < num_syms; i++)
input_keyboard_event(value, RETROK_UNKNOWN,
xkb_keysym_to_utf32(syms[i]), mod, RETRO_DEVICE_KEYBOARD);
return 0;
}
void QWaylandKeyboardPrivate::updateModifierState(uint code, uint32_t state)
{
#ifndef QT_NO_WAYLAND_XKB
if (!xkb_context)
return;
xkb_state_update_key(xkb_state, code, state == WL_KEYBOARD_KEY_STATE_PRESSED ? XKB_KEY_DOWN : XKB_KEY_UP);
uint32_t modsDepressed = xkb_state_serialize_mods(xkb_state, (xkb_state_component)XKB_STATE_DEPRESSED);
uint32_t modsLatched = xkb_state_serialize_mods(xkb_state, (xkb_state_component)XKB_STATE_LATCHED);
uint32_t modsLocked = xkb_state_serialize_mods(xkb_state, (xkb_state_component)XKB_STATE_LOCKED);
uint32_t group = xkb_state_serialize_group(xkb_state, (xkb_state_component)XKB_STATE_EFFECTIVE);
if (this->modsDepressed == modsDepressed
&& this->modsLatched == modsLatched
&& this->modsLocked == modsLocked
&& this->group == group)
return;
this->modsDepressed = modsDepressed;
this->modsLatched = modsLatched;
this->modsLocked = modsLocked;
this->group = group;
modifiers(compositor()->nextSerial(), modsDepressed, modsLatched, modsLocked, group);
#else
Q_UNUSED(code);
Q_UNUSED(state);
#endif
}
void QLibInputKeyboard::processKey(libinput_event_keyboard *e)
{
#ifndef QT_NO_XKBCOMMON_EVDEV
if (!m_ctx || !m_keymap || !m_state)
return;
const uint32_t k = libinput_event_keyboard_get_key(e) + 8;
const bool pressed = libinput_event_keyboard_get_key_state(e) == LIBINPUT_KEY_STATE_PRESSED;
QVarLengthArray<char, 32> chars(32);
const int size = xkb_state_key_get_utf8(m_state, k, chars.data(), chars.size());
if (Q_UNLIKELY(size + 1 > chars.size())) { // +1 for NUL
chars.resize(size + 1);
xkb_state_key_get_utf8(m_state, k, chars.data(), chars.size());
}
const QString text = QString::fromUtf8(chars.constData(), size);
const xkb_keysym_t sym = xkb_state_key_get_one_sym(m_state, k);
// mods here is the modifier state before the event, i.e. not
// including the current key in case it is a modifier.
Qt::KeyboardModifiers mods = Qt::NoModifier;
const int qtkey = keysymToQtKey(sym, &mods, text);
xkb_state_component modtype = xkb_state_component(XKB_STATE_MODS_DEPRESSED | XKB_STATE_MODS_LATCHED);
if (xkb_state_mod_index_is_active(m_state, m_modindex[0], modtype) && (qtkey != Qt::Key_Control || !pressed))
mods |= Qt::ControlModifier;
if (xkb_state_mod_index_is_active(m_state, m_modindex[1], modtype) && (qtkey != Qt::Key_Alt || !pressed))
mods |= Qt::AltModifier;
if (xkb_state_mod_index_is_active(m_state, m_modindex[2], modtype) && (qtkey != Qt::Key_Shift || !pressed))
mods |= Qt::ShiftModifier;
if (xkb_state_mod_index_is_active(m_state, m_modindex[3], modtype) && (qtkey != Qt::Key_Meta || !pressed))
mods |= Qt::MetaModifier;
xkb_state_update_key(m_state, k, pressed ? XKB_KEY_DOWN : XKB_KEY_UP);
QGuiApplicationPrivate::inputDeviceManager()->setKeyboardModifiers(mods, qtkey);
QWindowSystemInterface::handleExtendedKeyEvent(Q_NULLPTR,
pressed ? QEvent::KeyPress : QEvent::KeyRelease,
qtkey, mods, k, sym, mods, text);
if (pressed && xkb_keymap_key_repeats(m_keymap, k)) {
m_repeatData.qtkey = qtkey;
m_repeatData.mods = mods;
m_repeatData.nativeScanCode = k;
m_repeatData.virtualKey = sym;
m_repeatData.nativeMods = mods;
m_repeatData.unicodeText = text;
m_repeatData.repeatCount = 1;
m_repeatTimer.setInterval(REPEAT_DELAY);
m_repeatTimer.start();
} else if (m_repeatTimer.isActive()) {
m_repeatTimer.stop();
}
#else
Q_UNUSED(e);
#endif
}
void uxkb_dev_wake_up(struct uterm_input_dev *dev)
{
uint32_t code;
char *old_bits, cur_bits[sizeof(dev->key_state_bits)];
char old_bit, cur_bit;
old_bits = dev->key_state_bits;
memset(cur_bits, 0, sizeof(cur_bits));
errno = 0;
ioctl(dev->rfd, EVIOCGKEY(sizeof(cur_bits)), cur_bits);
if (errno) {
log_warn("failed to get current keyboard state (%d): %m",
errno);
return;
}
for (code = 0; code < KEY_CNT; code++) {
old_bit = (old_bits[code / 8] & (1 << (code % 8)));
cur_bit = (cur_bits[code / 8] & (1 << (code % 8)));
if (old_bit == cur_bit)
continue;
xkb_state_update_key(dev->state, code + EVDEV_KEYCODE_OFFSET,
cur_bit ? XKB_KEY_DOWN : XKB_KEY_UP);
}
uxkb_dev_update_keyboard_leds(dev);
}
static int uxkb_dev_process(struct kbd_dev *kbd,
uint16_t key_state,
uint16_t code,
struct uterm_input_event *out)
{
struct xkb_state *state;
struct xkb_keymap *keymap;
xkb_keycode_t keycode;
const xkb_keysym_t *keysyms;
int num_keysyms;
if (!kbd)
return -EINVAL;
state = kbd->uxkb.state;
keymap = xkb_state_get_map(state);
keycode = code + EVDEV_KEYCODE_OFFSET;
num_keysyms = xkb_key_get_syms(state, keycode, &keysyms);
if (key_state == KEY_PRESSED)
xkb_state_update_key(state, keycode, XKB_KEY_DOWN);
else if (key_state == KEY_RELEASED)
xkb_state_update_key(state, keycode, XKB_KEY_UP);
if (key_state == KEY_RELEASED)
return -ENOKEY;
if (key_state == KEY_REPEATED && !xkb_key_repeats(keymap, keycode))
return -ENOKEY;
if (num_keysyms <= 0)
return -ENOKEY;
/*
* TODO: xkbcommon actually supports multiple keysyms
* per key press. Here we're just using the first one,
* but we might want to support this feature.
*/
out->keycode = code;
out->keysym = keysyms[0];
out->mods = shl_get_xkb_mods(state);
out->unicode = xkb_keysym_to_utf32(out->keysym) ? : UTERM_INPUT_INVALID;
return 0;
}
int uxkb_dev_process(struct uterm_input_dev *dev,
uint16_t key_state, uint16_t code)
{
struct xkb_state *state;
xkb_keycode_t keycode;
const xkb_keysym_t *keysyms;
int num_keysyms, ret;
enum xkb_state_component changed;
if (key_state == KEY_REPEATED)
return -ENOKEY;
state = dev->state;
keycode = code + EVDEV_KEYCODE_OFFSET;
num_keysyms = xkb_state_key_get_syms(state, keycode, &keysyms);
changed = 0;
if (key_state == KEY_PRESSED)
changed = xkb_state_update_key(state, keycode, XKB_KEY_DOWN);
else if (key_state == KEY_RELEASED)
changed = xkb_state_update_key(state, keycode, XKB_KEY_UP);
if (changed & XKB_STATE_LEDS)
uxkb_dev_update_keyboard_leds(dev);
if (num_keysyms <= 0)
return -ENOKEY;
ret = uxkb_dev_fill_event(dev, &dev->event, keycode, num_keysyms,
keysyms);
if (ret)
return -ENOKEY;
uxkb_dev_repeat(dev, key_state);
if (key_state == KEY_RELEASED)
return -ENOKEY;
dev->event.handled = false;
shl_hook_call(dev->input->hook, dev->input, &dev->event);
return 0;
}
static void
bench_key_proc(struct xkb_state *state)
{
int8_t keys[256] = { 0 };
xkb_keycode_t keycode;
xkb_keysym_t keysym;
int i;
for (i = 0; i < BENCHMARK_ITERATIONS; i++) {
keycode = (rand() % (255 - 9)) + 9;
if (keys[keycode]) {
xkb_state_update_key(state, keycode, XKB_KEY_UP);
keys[keycode] = 0;
keysym = xkb_state_key_get_one_sym(state, keycode);
(void) keysym;
} else {
xkb_state_update_key(state, keycode, XKB_KEY_DOWN);
keys[keycode] = 1;
}
}
}
void mircv::XKBMapper::update_state_and_map_event(MirEvent &ev)
{
std::lock_guard<std::mutex> lg(guard);
auto &key_ev = ev.key;
xkb_key_direction direction = XKB_KEY_DOWN;
bool update_state = true;
if (key_ev.action == mir_keyboard_action_up)
direction = XKB_KEY_UP;
else if (key_ev.action == mir_keyboard_action_down)
direction = XKB_KEY_DOWN;
else if (key_ev.action == mir_keyboard_action_repeat)
update_state = false;
uint32_t xkb_scan_code = to_xkb_scan_code(key_ev.scan_code);
if (update_state)
xkb_state_update_key(state.get(), xkb_scan_code, direction);
key_ev.key_code = keysym_for_scan_code(state.get(), xkb_scan_code);
}
static void
test_ctrl_string_transformation(struct xkb_keymap *keymap)
{
char buf[256];
struct xkb_state *state = xkb_state_new(keymap);
xkb_mod_index_t ctrl;
assert(state);
/* See xkb_state_key_get_utf8() for what's this all about. */
ctrl = xkb_keymap_mod_get_index(keymap, XKB_MOD_NAME_CTRL);
assert(ctrl != XKB_MOD_INVALID);
/* First without. */
TEST_KEY(KEY_A, "a", 0x61);
TEST_KEY(KEY_B, "b", 0x62);
TEST_KEY(KEY_C, "c", 0x63);
TEST_KEY(KEY_ESC, "\x1B", 0x1B);
TEST_KEY(KEY_1, "1", 0x31);
/* And with. */
xkb_state_update_key(state, KEY_RIGHTCTRL + EVDEV_OFFSET, XKB_KEY_DOWN);
assert(xkb_state_mod_index_is_active(state, ctrl, XKB_STATE_MODS_EFFECTIVE) > 0);
TEST_KEY(KEY_A, "\x01", 0x01);
TEST_KEY(KEY_B, "\x02", 0x02);
TEST_KEY(KEY_C, "\x03", 0x03);
TEST_KEY(KEY_ESC, "\x1B", 0x1B);
TEST_KEY(KEY_1, "1", 0x31);
xkb_state_update_key(state, KEY_RIGHTCTRL + EVDEV_OFFSET, XKB_KEY_UP);
/* Switch to ru layout */
xkb_state_update_key(state, KEY_COMPOSE + EVDEV_OFFSET, XKB_KEY_DOWN);
xkb_state_update_key(state, KEY_COMPOSE + EVDEV_OFFSET, XKB_KEY_UP);
assert(xkb_state_key_get_layout(state, KEY_A + 8) == 1);
/* Non ASCII. */
xkb_state_update_key(state, KEY_RIGHTCTRL + EVDEV_OFFSET, XKB_KEY_DOWN);
assert(xkb_state_mod_index_is_active(state, ctrl, XKB_STATE_MODS_EFFECTIVE) > 0);
TEST_KEY(KEY_A, "\x01", 0x01);
TEST_KEY(KEY_B, "\x02", 0x02);
xkb_state_update_key(state, KEY_RIGHTCTRL + EVDEV_OFFSET, XKB_KEY_UP);
xkb_state_unref(state);
}
void
clutter_seat_evdev_notify_key (ClutterSeatEvdev *seat,
ClutterInputDevice *device,
uint64_t time_us,
uint32_t key,
uint32_t state,
gboolean update_keys)
{
ClutterStage *stage;
ClutterEvent *event = NULL;
enum xkb_state_component changed_state;
if (state != AUTOREPEAT_VALUE)
{
/* Drop any repeated button press (for example from virtual devices. */
int count = update_button_count (seat, key, state);
if (state && count > 1)
return;
if (!state && count != 0)
return;
}
/* We can drop the event on the floor if no stage has been
* associated with the device yet. */
stage = _clutter_input_device_get_stage (device);
if (stage == NULL)
{
clutter_seat_evdev_clear_repeat_timer (seat);
return;
}
event = _clutter_key_event_new_from_evdev (device,
seat->core_keyboard,
stage,
seat->xkb,
seat->button_state,
us2ms (time_us), key, state);
_clutter_evdev_event_set_event_code (event, key);
/* We must be careful and not pass multiple releases to xkb, otherwise it gets
confused and locks the modifiers */
if (state != AUTOREPEAT_VALUE)
{
changed_state = xkb_state_update_key (seat->xkb,
event->key.hardware_keycode,
state ? XKB_KEY_DOWN : XKB_KEY_UP);
}
else
{
changed_state = 0;
clutter_event_set_flags (event, CLUTTER_EVENT_FLAG_REPEATED);
}
queue_event (event);
if (update_keys && (changed_state & XKB_STATE_LEDS))
{
ClutterBackend *backend;
backend = clutter_get_default_backend ();
g_signal_emit_by_name (clutter_backend_get_keymap (backend), "state-changed");
clutter_seat_evdev_sync_leds (seat);
}
if (state == 0 || /* key release */
!seat->repeat ||
!xkb_keymap_key_repeats (xkb_state_get_keymap (seat->xkb),
event->key.hardware_keycode))
{
clutter_seat_evdev_clear_repeat_timer (seat);
return;
}
if (state == 1) /* key press */
seat->repeat_count = 0;
seat->repeat_count += 1;
seat->repeat_key = key;
switch (seat->repeat_count)
{
case 1:
case 2:
{
guint32 interval;
clutter_seat_evdev_clear_repeat_timer (seat);
seat->repeat_device = g_object_ref (device);
if (seat->repeat_count == 1)
interval = seat->repeat_delay;
else
interval = seat->repeat_interval;
seat->repeat_timer =
clutter_threads_add_timeout_full (CLUTTER_PRIORITY_EVENTS,
interval,
keyboard_repeat,
seat,
NULL);
return;
}
default:
return;
}
}
static void
test_consume(struct xkb_keymap *keymap)
{
struct xkb_state *state;
xkb_mod_index_t alt, shift, caps, ctrl, mod5;
xkb_mod_mask_t mask;
state = xkb_state_new(keymap);
assert(state);
alt = xkb_keymap_mod_get_index(keymap, XKB_MOD_NAME_ALT);
assert(alt != XKB_MOD_INVALID);
shift = xkb_keymap_mod_get_index(keymap, XKB_MOD_NAME_SHIFT);
assert(shift != XKB_MOD_INVALID);
caps = xkb_keymap_mod_get_index(keymap, XKB_MOD_NAME_CAPS);
assert(caps != XKB_MOD_INVALID);
ctrl = xkb_keymap_mod_get_index(keymap, XKB_MOD_NAME_CTRL);
assert(ctrl != XKB_MOD_INVALID);
mod5 = xkb_keymap_mod_get_index(keymap, "Mod5");
assert(mod5 != XKB_MOD_INVALID);
/* Test remove_consumed() */
xkb_state_update_key(state, KEY_LEFTALT + EVDEV_OFFSET, XKB_KEY_DOWN);
xkb_state_update_key(state, KEY_LEFTSHIFT + EVDEV_OFFSET, XKB_KEY_DOWN);
xkb_state_update_key(state, KEY_EQUAL + EVDEV_OFFSET, XKB_KEY_DOWN);
fprintf(stderr, "dumping state for Alt-Shift-+\n");
print_state(state);
mask = xkb_state_serialize_mods(state, XKB_STATE_MODS_EFFECTIVE);
assert(mask == ((1U << alt) | (1U << shift)));
mask = xkb_state_mod_mask_remove_consumed(state, KEY_EQUAL + EVDEV_OFFSET,
mask);
assert(mask == (1U << alt));
/* Test get_consumed_mods() */
mask = xkb_state_key_get_consumed_mods(state, KEY_EQUAL + EVDEV_OFFSET);
assert(mask == (1U << shift));
mask = xkb_state_key_get_consumed_mods(state, KEY_ESC + EVDEV_OFFSET);
assert(mask == 0);
xkb_state_unref(state);
/* Test is_consumed() - simple ALPHABETIC type. */
state = xkb_state_new(keymap);
assert(state);
mask = xkb_state_key_get_consumed_mods(state, KEY_A + EVDEV_OFFSET);
assert(mask == ((1U << shift) | (1U << caps)));
assert(xkb_state_mod_index_is_consumed(state, KEY_A + EVDEV_OFFSET, caps) > 0);
assert(xkb_state_mod_index_is_consumed(state, KEY_A + EVDEV_OFFSET, shift) > 0);
xkb_state_update_key(state, KEY_CAPSLOCK + EVDEV_OFFSET, XKB_KEY_DOWN);
xkb_state_update_key(state, KEY_CAPSLOCK + EVDEV_OFFSET, XKB_KEY_UP);
assert(xkb_state_mod_index_is_consumed(state, KEY_A + EVDEV_OFFSET, caps) > 0);
assert(xkb_state_mod_index_is_consumed(state, KEY_A + EVDEV_OFFSET, shift) > 0);
xkb_state_update_key(state, KEY_LEFTSHIFT + EVDEV_OFFSET, XKB_KEY_DOWN);
assert(xkb_state_mod_index_is_consumed(state, KEY_A + EVDEV_OFFSET, caps) > 0);
assert(xkb_state_mod_index_is_consumed(state, KEY_A + EVDEV_OFFSET, shift) > 0);
xkb_state_update_key(state, KEY_LEFTSHIFT + EVDEV_OFFSET, XKB_KEY_UP);
xkb_state_update_key(state, KEY_CAPSLOCK + EVDEV_OFFSET, XKB_KEY_DOWN);
xkb_state_update_key(state, KEY_CAPSLOCK + EVDEV_OFFSET, XKB_KEY_UP);
assert(xkb_state_mod_index_is_consumed(state, KEY_A + EVDEV_OFFSET, caps) > 0);
assert(xkb_state_mod_index_is_consumed(state, KEY_A + EVDEV_OFFSET, shift) > 0);
xkb_state_unref(state);
/* More complicated - CTRL+ALT */
state = xkb_state_new(keymap);
mask = xkb_state_key_get_consumed_mods(state, KEY_F1 + EVDEV_OFFSET);
assert(mask == ((1U << shift) | (1U << alt) | (1U << ctrl) | (1U << mod5)));
/* Shift is preserved. */
xkb_state_update_key(state, KEY_LEFTSHIFT + EVDEV_OFFSET, XKB_KEY_DOWN);
mask = xkb_state_key_get_consumed_mods(state, KEY_F1 + EVDEV_OFFSET);
assert(mask == ((1U << alt) | (1U << ctrl) | (1U << mod5)));
xkb_state_update_key(state, KEY_LEFTSHIFT + EVDEV_OFFSET, XKB_KEY_UP);
mask = xkb_state_key_get_consumed_mods(state, KEY_F1 + EVDEV_OFFSET);
assert(mask == ((1U << shift) | (1U << alt) | (1U << ctrl) | (1U << mod5)));
assert(state);
xkb_state_unref(state);
}
static void
test_caps_keysym_transformation(struct xkb_keymap *keymap)
{
struct xkb_state *state = xkb_state_new(keymap);
xkb_mod_index_t caps, shift;
int nsyms;
xkb_keysym_t sym;
const xkb_keysym_t *syms;
assert(state);
/* See xkb_state_key_get_one_sym() for what's this all about. */
caps = xkb_keymap_mod_get_index(keymap, XKB_MOD_NAME_CAPS);
shift = xkb_keymap_mod_get_index(keymap, XKB_MOD_NAME_SHIFT);
assert(caps != XKB_MOD_INVALID && shift != XKB_MOD_INVALID);
assert(xkb_state_key_get_layout(state, KEY_A + 8) == 0);
assert(xkb_state_key_get_layout(state, KEY_SEMICOLON + 8) == 0);
/* Without caps, no transformation. */
assert(xkb_state_mod_index_is_active(state, caps, XKB_STATE_MODS_EFFECTIVE) == 0);
assert(xkb_state_mod_index_is_active(state, shift, XKB_STATE_MODS_EFFECTIVE) == 0);
assert(xkb_state_key_get_level(state, KEY_A + 8, 0) == 0);
sym = xkb_state_key_get_one_sym(state, KEY_A + 8);
assert(sym == XKB_KEY_a);
assert(xkb_state_key_get_level(state, KEY_SEMICOLON + 8, 0) == 0);
sym = xkb_state_key_get_one_sym(state, KEY_SEMICOLON + 8);
assert(sym == XKB_KEY_eacute);
nsyms = xkb_state_key_get_syms(state, KEY_SEMICOLON + 8, &syms);
assert(nsyms == 1 && syms[0] == XKB_KEY_eacute);
/* With shift, no transformation (only different level). */
xkb_state_update_key(state, KEY_LEFTSHIFT + 8, XKB_KEY_DOWN);
assert(xkb_state_mod_index_is_active(state, caps, XKB_STATE_MODS_EFFECTIVE) == 0);
assert(xkb_state_mod_index_is_active(state, shift, XKB_STATE_MODS_EFFECTIVE) > 0);
assert(xkb_state_key_get_level(state, KEY_A + 8, 0) == 1);
sym = xkb_state_key_get_one_sym(state, KEY_A + 8);
assert(sym == XKB_KEY_A);
sym = xkb_state_key_get_one_sym(state, KEY_SEMICOLON + 8);
assert(sym == XKB_KEY_odiaeresis);
nsyms = xkb_state_key_get_syms(state, KEY_SEMICOLON + 8, &syms);
assert(nsyms == 1 && syms[0] == XKB_KEY_odiaeresis);
xkb_state_update_key(state, KEY_LEFTSHIFT + 8, XKB_KEY_UP);
assert(xkb_state_mod_index_is_active(state, shift, XKB_STATE_MODS_EFFECTIVE) == 0);
/* With caps, transform in same level, only with _get_one_sym(). */
xkb_state_update_key(state, KEY_CAPSLOCK + 8, XKB_KEY_DOWN);
xkb_state_update_key(state, KEY_CAPSLOCK + 8, XKB_KEY_UP);
assert(xkb_state_mod_index_is_active(state, caps, XKB_STATE_MODS_EFFECTIVE) > 0);
assert(xkb_state_mod_index_is_active(state, shift, XKB_STATE_MODS_EFFECTIVE) == 0);
assert(xkb_state_key_get_level(state, KEY_A + 8, 0) == 1);
sym = xkb_state_key_get_one_sym(state, KEY_A + 8);
assert(sym == XKB_KEY_A);
assert(xkb_state_key_get_level(state, KEY_SEMICOLON + 8, 0) == 0);
sym = xkb_state_key_get_one_sym(state, KEY_SEMICOLON + 8);
assert(sym == XKB_KEY_Eacute);
nsyms = xkb_state_key_get_syms(state, KEY_SEMICOLON + 8, &syms);
assert(nsyms == 1 && syms[0] == XKB_KEY_eacute);
xkb_state_update_key(state, KEY_LEFTSHIFT + 8, XKB_KEY_UP);
assert(xkb_state_mod_index_is_active(state, shift, XKB_STATE_MODS_EFFECTIVE) == 0);
xkb_state_update_key(state, KEY_CAPSLOCK + 8, XKB_KEY_DOWN);
xkb_state_update_key(state, KEY_CAPSLOCK + 8, XKB_KEY_UP);
xkb_state_unref(state);
}
void fill_keycodes() {
struct xkb_keymap *keymap;
struct xkb_context *context;
const struct xkb_rule_names rules={
.rules=xkb_names[0],
.model=xkb_names[1],
.layout=xkb_names[2],
.variant=xkb_names[3],
.options=xkb_names[4]
};
struct xkb_state *state;
enum xkb_state_component current_state;
int counter;
int i,j,k;
char mods[256];
char keysym_asc[256];
char file_path[256];
char command[15];
uint32_t max_keys;
int w,h,retval;
int jumpto;
context=xkb_context_new(0);
keymap=xkb_keymap_new_from_names(context,&rules,0);
state=NULL;
// Get all the modifier keys
for(i=8;i<256;i++) {
state=xkb_state_new(keymap);
current_state=xkb_state_update_key(state, i,XKB_KEY_DOWN);
if (current_state!=0) {
mods[i]=1;
} else {
mods[i]=0;
}
xkb_state_unref(state);
}
mods[7]=1; // fake mod, used for "no mod"
// Read the keyboard definition files
sprintf(file_path,"%s/%s.keymap",BASE_CONFIG_DIR,lang_onscreen);
FILE *keyboard_file=fopen(file_path,"r");
if (keyboard_file==NULL) {
printf("Can't open keyboard definition file %s. Trying with US file\n",file_path);
sprintf(file_path,"%s/us.keymap",BASE_CONFIG_DIR);
keyboard_file=fopen(file_path,"r");
if (keyboard_file==NULL) {
printf("Also failed to open the US keymap file. Aborting.\n");
exit(-1);
}
}
retval=fscanf(keyboard_file,"%s %d",command,&keyboard_blocks);
if (retval!=2) {
printf("Can't read the number of blocks\n");
} else {
max_keys=keyboard_blocks*4*KEYS_PER_ROW;
keyboard_lowercase=(struct key_element *)malloc(max_keys*sizeof(struct key_element));
memset(keyboard_lowercase,0,max_keys*sizeof(struct key_element));
for(counter=0;(!feof(keyboard_file))&&(counter<max_keys);counter++) {
retval=fscanf(keyboard_file,"%s %d %d",command,&w,&h);
if(retval!=3) {
break;
}
keyboard_lowercase[counter].size=KEYS_FONT_SIZE;
keyboard_lowercase[counter].g_element[0]=0;
keyboard_lowercase[counter].w=w;
keyboard_lowercase[counter].h=h;
keyboard_lowercase[counter].keycode=0;
keyboard_lowercase[counter].modifier=0;
if (!strcmp(command,"BLANK")) {
keyboard_lowercase[counter].type=KEY_BLANK;
keyboard_lowercase[counter].keysym=0;
} else if (!strcmp(command,"KEY")) {
keyboard_lowercase[counter].type=KEY_PH;
retval=fscanf(keyboard_file,"%s",keyboard_lowercase[counter].g_element);
keyboard_lowercase[counter].keysym=init_utf8_to_keysym(keyboard_lowercase[counter].g_element);
if (keyboard_lowercase[counter].keysym==0) {
keyboard_lowercase[counter].type=KEY_BLANK;
}
} else if ((!strcmp(command,"KEYSYM"))||(!strcmp(command,"KEYSYMTEXT"))) {
keyboard_lowercase[counter].type=KEY_PH;
retval=fscanf(keyboard_file,"%s",keysym_asc);
keyboard_lowercase[counter].keysym=xkb_keysym_from_name(keysym_asc,0);
if (keyboard_lowercase[counter].keysym==0) {
printf("Unknown keysym %s\n",keysym_asc);
keyboard_lowercase[counter].type=KEY_BLANK;
} else {
if (!strcmp(command,"KEYSYMTEXT")) {
retval=fscanf(keyboard_file,"%s",keyboard_lowercase[counter].g_element);
keyboard_lowercase[counter].size=KEYS_TEXT_FONT_SIZE;
} else {
retval=xkb_keysym_to_utf8(keyboard_lowercase[counter].keysym,keyboard_lowercase[counter].g_element,7);
if (retval==-1) {
retval++;
}
keyboard_lowercase[counter].g_element[retval]=0;// terminate string
}
}
} else if (!strcmp(command,"TAB")) {
keyboard_lowercase[counter].type=KEY_TAB;
keyboard_lowercase[counter].keysym=XK_Tab;
} else if (!strcmp(command,"SPACE")) {
keyboard_lowercase[counter].type=KEY_SPACE;
keyboard_lowercase[counter].keysym=XK_space;
} else if (!strcmp(command,"RETURN")) {
keyboard_lowercase[counter].type=KEY_RETURN;
keyboard_lowercase[counter].keysym=XK_Return;
} else if (!strcmp(command,"DELETE")) {
keyboard_lowercase[counter].type=KEY_DELETE;
keyboard_lowercase[counter].keysym=XK_BackSpace;
} else if (!strcmp(command,"JUMPTO")) {
retval=fscanf(keyboard_file,"%d %s",&jumpto,command);
keyboard_lowercase[counter].type=KEY_JUMPTO;
keyboard_lowercase[counter].keycode=jumpto;
keyboard_lowercase[counter].keysym=0;
if (!strcmp(command,"GEN")) {
keyboard_lowercase[counter].modifier=0;
} else if (!strcmp(command,"SHIFT")) {
keyboard_lowercase[counter].modifier=1;
} else if (!strcmp(command,"SYMBOLS")) {
keyboard_lowercase[counter].modifier=2;
} else if (!strcmp(command,"LETTERS")) {
keyboard_lowercase[counter].modifier=3;
}
if (jumpto>=keyboard_blocks) {
printf("Ilegal jump to block %d (max. is %d)\n",jumpto,keyboard_blocks);
keyboard_lowercase[counter].type=KEY_BLANK;
}
} else if (!strcmp(command,"UP")) {
keyboard_lowercase[counter].type=KEY_UP;
keyboard_lowercase[counter].keysym=XK_Up;
} else if (!strcmp(command,"DOWN")) {
keyboard_lowercase[counter].type=KEY_DOWN;
keyboard_lowercase[counter].keysym=XK_Down;
} else if (!strcmp(command,"LEFT")) {
keyboard_lowercase[counter].type=KEY_LEFT;
keyboard_lowercase[counter].keysym=XK_Left;
} else if (!strcmp(command,"RIGHT")) {
keyboard_lowercase[counter].type=KEY_RIGHT;
keyboard_lowercase[counter].keysym=XK_Right;
} else {
printf("Unknown command %s\n",command);
keyboard_lowercase[counter].type=KEY_BLANK;
keyboard_lowercase[counter].keysym=0;
}
}
xkb_keysym_t keysym;
xkb_keycode_t keycode_mod;
for(i=7;i<256;i++) { // do a loop on every modifier
if (!mods[i]) {
continue; // In this loop we test each modifier with each keycode
}
state=xkb_state_new(keymap);
if (i!=7) {
xkb_state_update_key(state, i,XKB_KEY_DOWN); // press the modifier key
keycode_mod=i;
} else {
keycode_mod=0;
}
for(j=8;j<256;j++) {
if (mods[j]) {
continue; // Don't test modifiers; we want "normal" keys
}
keysym=xkb_state_key_get_one_sym(state, j);
if (keysym==XKB_KEY_NoSymbol) {
continue;
}
for(k=0;k<counter;k++) { // and now we check each desired key with the keysymbol obtained
if ((keyboard_lowercase[k].keycode==0)&&(keyboard_lowercase[k].type!=KEY_BLANK)&&(keyboard_lowercase[k].keysym==keysym)) {
keyboard_lowercase[k].keycode=j;
keyboard_lowercase[k].modifier=keycode_mod;
}
}
}
xkb_state_unref(state);
}
/*for(k=0;k<counter;k++) { // and now we check each desired key with the keysymbol obtained
printf("Texto: %s, Keysym: %d, mod: %d\n",keyboard_lowercase[k].g_element,keyboard_lowercase[k].keycode,keyboard_lowercase[k].modifier);
}*/
// Now assign new keysyms to keycodes not used, to allow other keysyms not available in US keyboards
xcb_key_symbols_t *symbols;
symbols=xcb_key_symbols_alloc(conn);
xcb_flush(conn);
xcb_keycode_t keycode=8;
xcb_keycode_t keycode_found;
xcb_keysym_t keysyms[4];
xcb_keycode_t keycode_shift;
struct lower_upper_t {xcb_keysym_t upper_first;
xcb_keysym_t upper_last;
xcb_keysym_t lower_first;
xcb_keysym_t lower_last;
};
struct lower_upper_t lower_upper[] = {
{XKB_KEY_Agrave,XKB_KEY_Odiaeresis,XKB_KEY_agrave,XKB_KEY_odiaeresis},
{XKB_KEY_Oslash,XKB_KEY_THORN,XKB_KEY_oslash,XKB_KEY_thorn},
{0,0,0,0}
};
struct lower_upper_t *iter_lu;
keycode_shift=*xcb_key_symbols_get_keycode(symbols,XKB_KEY_Shift_L);
for(k=0;k<max_keys;k++) { // and now we check each desired key with the keysymbol obtained
if ((keyboard_lowercase[k].keycode==0)&&(keyboard_lowercase[k].type!=KEY_BLANK)&&(keyboard_lowercase[k].type!=KEY_JUMPTO)) {
// this key is not available in US keyboards; let's redefine a keycode for it
keycode_found=0;
while(keycode<256) {
if ((0==xcb_key_symbols_get_keysym(symbols,keycode,0))&&
(0==xcb_key_symbols_get_keysym(symbols,keycode,1))&&
(0==xcb_key_symbols_get_keysym(symbols,keycode,2))&&
(0==xcb_key_symbols_get_keysym(symbols,keycode,3))) {
keycode_found=keycode;
break;
}
keycode++;
}
if (keycode_found==0) {
printf("No more codes available\n");
break; // there are no more free keycodes available
}
keycode=keycode_found;
keysyms[0]=keyboard_lowercase[k].keysym;
keysyms[1]=0;
keysyms[2]=keyboard_lowercase[k].keysym;
keysyms[3]=0;
for(iter_lu=lower_upper;iter_lu->upper_first;iter_lu++) {
if ((keysyms[0]>=iter_lu->upper_first)&&(keysyms[0]<=iter_lu->upper_last)) { // it's an uppercase special character
keysyms[0]|=0x20; // first character as lowercase
break;
}
if ((keysyms[0]>=iter_lu->lower_first)&&(keysyms[0]<=iter_lu->lower_last)) { // it's a lowercase special character
keysyms[2]&=0xDF; // second character as uppercase
break;
}
}
xcb_change_keyboard_mapping(conn,1,keycode,4,keysyms); // insert the new keysym
for(j=k;j<max_keys;j++) { // set the keycode and the shift modifier, if needed, to all keys with that keysyms
if (keyboard_lowercase[j].keysym==keysyms[0]) {
keyboard_lowercase[j].keycode=keycode;
keyboard_lowercase[j].modifier=0;
continue;
}
if (keyboard_lowercase[j].keysym==keysyms[2]) {
keyboard_lowercase[j].keycode=keycode;
keyboard_lowercase[j].modifier=keycode_shift;
continue;
}
}
keycode++;
}
}
xcb_key_symbols_free(symbols);
}
fclose(keyboard_file);
keyboard_current_block=0;
xkb_keymap_unref(keymap);
xkb_context_unref(context);
}
static void
test_get_utf8_utf32(struct xkb_keymap *keymap)
{
char buf[256];
struct xkb_state *state = xkb_state_new(keymap);
assert(state);
#define TEST_KEY(key, expected_utf8, expected_utf32) do { \
assert(xkb_state_key_get_utf8(state, key + 8, NULL, 0) == strlen(expected_utf8)); \
assert(xkb_state_key_get_utf8(state, key + 8, buf, sizeof(buf)) == strlen(expected_utf8)); \
assert(memcmp(buf, expected_utf8, sizeof(expected_utf8)) == 0); \
assert(xkb_state_key_get_utf32(state, key + 8) == expected_utf32); \
} while (0)
/* Simple ASCII. */
TEST_KEY(KEY_A, "a", 0x61);
TEST_KEY(KEY_ESC, "\x1B", 0x1B);
TEST_KEY(KEY_1, "1", 0x31);
/* Invalid. */
TEST_KEY(XKB_KEYCODE_INVALID - 8, "", 0);
TEST_KEY(300, "", 0);
/* No string. */
TEST_KEY(KEY_LEFTCTRL, "", 0);
TEST_KEY(KEY_NUMLOCK, "", 0);
/* Multiple keysyms. */
TEST_KEY(KEY_6, "HELLO", 0);
TEST_KEY(KEY_7, "YES THIS IS DOG", 0);
/* Check truncation. */
memset(buf, 'X', sizeof(buf));
assert(xkb_state_key_get_utf8(state, KEY_6 + 8, buf, 0) == strlen("HELLO"));
assert(memcmp(buf, "X", 1) == 0);
assert(xkb_state_key_get_utf8(state, KEY_6 + 8, buf, 1) == strlen("HELLO"));
assert(memcmp(buf, "", 1) == 0);
assert(xkb_state_key_get_utf8(state, KEY_6 + 8, buf, 2) == strlen("HELLO"));
assert(memcmp(buf, "H", 2) == 0);
assert(xkb_state_key_get_utf8(state, KEY_6 + 8, buf, 3) == strlen("HELLO"));
assert(memcmp(buf, "HE", 3) == 0);
assert(xkb_state_key_get_utf8(state, KEY_6 + 8, buf, 5) == strlen("HELLO"));
assert(memcmp(buf, "HELL", 5) == 0);
assert(xkb_state_key_get_utf8(state, KEY_6 + 8, buf, 6) == strlen("HELLO"));
assert(memcmp(buf, "HELLO", 6) == 0);
assert(xkb_state_key_get_utf8(state, KEY_6 + 8, buf, 7) == strlen("HELLO"));
assert(memcmp(buf, "HELLO\0X", 7) == 0);
/* Switch to ru layout */
xkb_state_update_key(state, KEY_COMPOSE + EVDEV_OFFSET, XKB_KEY_DOWN);
xkb_state_update_key(state, KEY_COMPOSE + EVDEV_OFFSET, XKB_KEY_UP);
assert(xkb_state_key_get_layout(state, KEY_A + 8) == 1);
/* Non ASCII. */
TEST_KEY(KEY_ESC, "\x1B", 0x1B);
TEST_KEY(KEY_A, "ф", 0x0444);
TEST_KEY(KEY_Z, "я", 0x044F);
/* Switch back to us layout */
xkb_state_update_key(state, KEY_COMPOSE + EVDEV_OFFSET, XKB_KEY_DOWN);
xkb_state_update_key(state, KEY_COMPOSE + EVDEV_OFFSET, XKB_KEY_UP);
assert(xkb_state_key_get_layout(state, KEY_A + 8) == 0);
xkb_state_update_key(state, KEY_LEFTSHIFT + EVDEV_OFFSET, XKB_KEY_DOWN);
TEST_KEY(KEY_A, "A", 0x41);
TEST_KEY(KEY_ESC, "\x1B", 0x1B);
TEST_KEY(KEY_1, "!", 0x21);
xkb_state_update_key(state, KEY_LEFTSHIFT + EVDEV_OFFSET, XKB_KEY_UP);
TEST_KEY(KEY_6, "HELLO", 0);
TEST_KEY(KEY_7, "YES THIS IS DOG", 0);
xkb_state_unref(state);
}
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;
if (ev->type != EV_KEY || ev->value > KBDKEY_DOWN)
return 0;
/* TODO: We should audit xkb-actions, whether they need @resync as
* flag. Most actions should just be executed, however, there might
* be actions that depend on modifier-orders. Those should be
* suppressed. */
num = xkb_state_key_get_syms(k->xkb_state, ev->code + KBDXKB_SHIFT, &keysyms);
compch = xkb_state_update_key(k->xkb_state, ev->code + KBDXKB_SHIFT, ev->value);
if (compch & XKB_STATE_LEDS) {
/* TODO: update LEDs */
}
if (num < 0) {
r = num;
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;
keyboard_repeat(k);
return keyboard_raise_data(k, &k->evdata);
error:
log_debug_errno(r, "idev-keyboard: %s/%s: cannot handle event: %m",
d->session->name, d->name);
k->repeating = false;
keyboard_arm(k, 0);
return 0;
}
/*
* Test a sequence of keysyms, resulting from a sequence of key presses,
* against the keysyms they're supposed to generate.
*
* - Each test runs with a clean state.
* - Each line in the test is made up of:
* + A keycode, given as a KEY_* from linux/input.h.
* + A direction - DOWN for press, UP for release, BOTH for
* immediate press + release, REPEAT to just get the syms.
* + A sequence of keysyms that should result from this keypress.
*
* The vararg format is:
* <KEY_*> <DOWN | UP | BOTH> <XKB_KEY_* (zero or more)> <NEXT | FINISH>
*
* See below for examples.
*/
int
test_key_seq_va(struct xkb_keymap *keymap, va_list ap)
{
struct xkb_state *state;
xkb_keycode_t kc;
int op;
xkb_keysym_t keysym;
const xkb_keysym_t *syms;
xkb_keysym_t sym;
unsigned int nsyms, i;
char ksbuf[64];
fprintf(stderr, "----\n");
state = xkb_state_new(keymap);
assert(state);
for (;;) {
kc = va_arg(ap, int) + EVDEV_OFFSET;
op = va_arg(ap, int);
nsyms = xkb_state_key_get_syms(state, kc, &syms);
if (nsyms == 1) {
sym = xkb_state_key_get_one_sym(state, kc);
syms = &sym;
}
fprintf(stderr, "got %u syms for keycode %u: [", nsyms, kc);
if (op == DOWN || op == BOTH)
xkb_state_update_key(state, kc, XKB_KEY_DOWN);
if (op == UP || op == BOTH)
xkb_state_update_key(state, kc, XKB_KEY_UP);
for (i = 0; i < nsyms; i++) {
keysym = va_arg(ap, int);
xkb_keysym_get_name(syms[i], ksbuf, sizeof(ksbuf));
fprintf(stderr, "%s%s", (i != 0) ? ", " : "", ksbuf);
if (keysym == FINISH || keysym == NEXT) {
xkb_keysym_get_name(syms[i], ksbuf, sizeof(ksbuf));
fprintf(stderr, "Did not expect keysym: %s.\n", ksbuf);
goto fail;
}
if (keysym != syms[i]) {
xkb_keysym_get_name(keysym, ksbuf, sizeof(ksbuf));
fprintf(stderr, "Expected keysym: %s. ", ksbuf);;
xkb_keysym_get_name(syms[i], ksbuf, sizeof(ksbuf));
fprintf(stderr, "Got keysym: %s.\n", ksbuf);;
goto fail;
}
}
if (nsyms == 0) {
keysym = va_arg(ap, int);
if (keysym != XKB_KEY_NoSymbol) {
xkb_keysym_get_name(keysym, ksbuf, sizeof(ksbuf));
fprintf(stderr, "Expected %s, but got no keysyms.\n", ksbuf);
goto fail;
}
}
fprintf(stderr, "]\n");
keysym = va_arg(ap, int);
if (keysym == NEXT)
continue;
if (keysym == FINISH)
break;
xkb_keysym_get_name(keysym, ksbuf, sizeof(ksbuf));
fprintf(stderr, "Expected keysym: %s. Didn't get it.\n", ksbuf);
goto fail;
}
/*
* Called when the user releases a key. We need to leave the Mode_switch
* state when the user releases the Mode_switch key.
*
*/
static void handle_key_release(xcb_key_release_event_t *event) {
xkb_state_update_key(xkb_state, event->detail, XKB_KEY_UP);
}
/*
* Handle key presses. Fixes state, then looks up the key symbol for the
* given keycode, then looks up the key symbol (as UCS-2), converts it to
* UTF-8 and stores it in the password array.
*
*/
static void handle_key_press(xcb_key_press_event_t *event) {
xkb_keysym_t ksym;
char buffer[128];
int n;
bool ctrl;
ksym = xkb_state_key_get_one_sym(xkb_state, event->detail);
ctrl = xkb_state_mod_name_is_active(xkb_state, "Control", XKB_STATE_MODS_DEPRESSED);
xkb_state_update_key(xkb_state, event->detail, XKB_KEY_DOWN);
/* The buffer will be null-terminated, so n >= 2 for 1 actual character. */
memset(buffer, '\0', sizeof(buffer));
n = xkb_keysym_to_utf8(ksym, buffer, sizeof(buffer));
switch (ksym) {
case XKB_KEY_Return:
case XKB_KEY_KP_Enter:
case XKB_KEY_XF86ScreenSaver:
password[input_position] = '\0';
unlock_state = STATE_KEY_PRESSED;
redraw_screen();
input_done();
return;
case XKB_KEY_u:
if (ctrl) {
DEBUG("C-u pressed\n");
clear_input();
return;
}
break;
case XKB_KEY_Escape:
clear_input();
return;
case XKB_KEY_BackSpace:
if (input_position == 0)
return;
/* decrement input_position to point to the previous glyph */
u8_dec(password, &input_position);
password[input_position] = '\0';
/* Hide the unlock indicator after a bit if the password buffer is
* empty. */
start_clear_indicator_timeout();
unlock_state = STATE_BACKSPACE_ACTIVE;
redraw_screen();
unlock_state = STATE_KEY_PRESSED;
return;
}
if ((input_position + 8) >= sizeof(password))
return;
#if 0
/* FIXME: handle all of these? */
printf("is_keypad_key = %d\n", xcb_is_keypad_key(sym));
printf("is_private_keypad_key = %d\n", xcb_is_private_keypad_key(sym));
printf("xcb_is_cursor_key = %d\n", xcb_is_cursor_key(sym));
printf("xcb_is_pf_key = %d\n", xcb_is_pf_key(sym));
printf("xcb_is_function_key = %d\n", xcb_is_function_key(sym));
printf("xcb_is_misc_function_key = %d\n", xcb_is_misc_function_key(sym));
printf("xcb_is_modifier_key = %d\n", xcb_is_modifier_key(sym));
#endif
if (n < 2)
return;
/* store it in the password array as UTF-8 */
memcpy(password+input_position, buffer, n-1);
input_position += n-1;
DEBUG("current password = %.*s\n", input_position, password);
unlock_state = STATE_KEY_ACTIVE;
redraw_screen();
unlock_state = STATE_KEY_PRESSED;
struct ev_timer *timeout = calloc(sizeof(struct ev_timer), 1);
if (timeout) {
ev_timer_init(timeout, redraw_timeout, 0.25, 0.);
ev_timer_start(main_loop, timeout);
}
stop_clear_indicator_timeout();
}
void hook_event_proc(XPointer closeure, XRecordInterceptData *recorded_data) {
uint64_t timestamp = (uint64_t) recorded_data->server_time;
if (recorded_data->category == XRecordStartOfData) {
// Populate the hook start event.
event.time = timestamp;
event.reserved = 0x00;
event.type = EVENT_HOOK_ENABLED;
event.mask = 0x00;
// Fire the hook start event.
dispatch_event(&event);
}
else if (recorded_data->category == XRecordEndOfData) {
// Populate the hook stop event.
event.time = timestamp;
event.reserved = 0x00;
event.type = EVENT_HOOK_DISABLED;
event.mask = 0x00;
// Fire the hook stop event.
dispatch_event(&event);
}
else if (recorded_data->category == XRecordFromServer || recorded_data->category == XRecordFromClient) {
// Get XRecord data.
XRecordDatum *data = (XRecordDatum *) recorded_data->data;
if (data->type == KeyPress) {
// The X11 KeyCode associated with this event.
KeyCode keycode = (KeyCode) data->event.u.u.detail;
KeySym keysym = 0x00;
#if defined(USE_XKBCOMMON)
if (state != NULL) {
keysym = xkb_state_key_get_one_sym(state, keycode);
}
#else
keysym = keycode_to_keysym(keycode, data->event.u.keyButtonPointer.state);
#endif
unsigned short int scancode = keycode_to_scancode(keycode);
// TODO If you have a better suggestion for this ugly, let me know.
if (scancode == VC_SHIFT_L) { set_modifier_mask(MASK_SHIFT_L); }
else if (scancode == VC_SHIFT_R) { set_modifier_mask(MASK_SHIFT_R); }
else if (scancode == VC_CONTROL_L) { set_modifier_mask(MASK_CTRL_L); }
else if (scancode == VC_CONTROL_R) { set_modifier_mask(MASK_CTRL_R); }
else if (scancode == VC_ALT_L) { set_modifier_mask(MASK_ALT_L); }
else if (scancode == VC_ALT_R) { set_modifier_mask(MASK_ALT_R); }
else if (scancode == VC_META_L) { set_modifier_mask(MASK_META_L); }
else if (scancode == VC_META_R) { set_modifier_mask(MASK_META_R); }
xkb_state_update_key(state, keycode, XKB_KEY_DOWN);
initialize_locks();
if ((get_modifiers() & MASK_NUM_LOCK) == 0) {
switch (scancode) {
case VC_KP_SEPARATOR:
case VC_KP_1:
case VC_KP_2:
case VC_KP_3:
case VC_KP_4:
case VC_KP_5:
case VC_KP_6:
case VC_KP_7:
case VC_KP_8:
case VC_KP_0:
case VC_KP_9:
scancode |= 0xEE00;
break;
}
}
// Populate key pressed event.
event.time = timestamp;
event.reserved = 0x00;
event.type = EVENT_KEY_PRESSED;
event.mask = get_modifiers();
event.data.keyboard.keycode = scancode;
event.data.keyboard.rawcode = keysym;
event.data.keyboard.keychar = CHAR_UNDEFINED;
logger(LOG_LEVEL_INFO, "%s [%u]: Key %#X pressed. (%#X)\n",
__FUNCTION__, __LINE__, event.data.keyboard.keycode, event.data.keyboard.rawcode);
// Fire key pressed event.
dispatch_event(&event);
// If the pressed event was not consumed...
if (event.reserved ^ 0x01) {
uint16_t buffer[2];
size_t count = 0;
// Check to make sure the key is printable.
#ifdef USE_XKBCOMMON
if (state != NULL) {
count = keycode_to_unicode(state, keycode, buffer, sizeof(buffer) / sizeof(uint16_t));
}
#else
count = keysym_to_unicode(keysym, buffer, sizeof(buffer) / sizeof(uint16_t));
#endif
for (unsigned int i = 0; i < count; i++) {
// Populate key typed event.
event.time = timestamp;
event.reserved = 0x00;
event.type = EVENT_KEY_TYPED;
event.mask = get_modifiers();
event.data.keyboard.keycode = VC_UNDEFINED;
event.data.keyboard.rawcode = keysym;
event.data.keyboard.keychar = buffer[i];
logger(LOG_LEVEL_INFO, "%s [%u]: Key %#X typed. (%lc)\n",
__FUNCTION__, __LINE__, event.data.keyboard.keycode, (uint16_t) event.data.keyboard.keychar);
// Fire key typed event.
dispatch_event(&event);
}
}
}
else if (data->type == KeyRelease) {
// The X11 KeyCode associated with this event.
KeyCode keycode = (KeyCode) data->event.u.u.detail;
KeySym keysym = 0x00;
#ifdef USE_XKBCOMMON
if (state != NULL) {
keysym = xkb_state_key_get_one_sym(state, keycode);
}
#else
keysym = keycode_to_keysym(keycode, data->event.u.keyButtonPointer.state);
#endif
unsigned short int scancode = keycode_to_scancode(keycode);
// TODO If you have a better suggestion for this ugly, let me know.
if (scancode == VC_SHIFT_L) { unset_modifier_mask(MASK_SHIFT_L); }
else if (scancode == VC_SHIFT_R) { unset_modifier_mask(MASK_SHIFT_R); }
else if (scancode == VC_CONTROL_L) { unset_modifier_mask(MASK_CTRL_L); }
else if (scancode == VC_CONTROL_R) { unset_modifier_mask(MASK_CTRL_R); }
else if (scancode == VC_ALT_L) { unset_modifier_mask(MASK_ALT_L); }
else if (scancode == VC_ALT_R) { unset_modifier_mask(MASK_ALT_R); }
else if (scancode == VC_META_L) { unset_modifier_mask(MASK_META_L); }
else if (scancode == VC_META_R) { unset_modifier_mask(MASK_META_R); }
xkb_state_update_key(state, keycode, XKB_KEY_UP);
initialize_locks();
if ((get_modifiers() & MASK_NUM_LOCK) == 0) {
switch (scancode) {
case VC_KP_SEPARATOR:
case VC_KP_1:
case VC_KP_2:
case VC_KP_3:
case VC_KP_4:
case VC_KP_5:
case VC_KP_6:
case VC_KP_7:
case VC_KP_8:
case VC_KP_0:
case VC_KP_9:
scancode |= 0xEE00;
break;
}
}
// Populate key released event.
event.time = timestamp;
event.reserved = 0x00;
event.type = EVENT_KEY_RELEASED;
event.mask = get_modifiers();
event.data.keyboard.keycode = scancode;
event.data.keyboard.rawcode = keysym;
event.data.keyboard.keychar = CHAR_UNDEFINED;
logger(LOG_LEVEL_INFO, "%s [%u]: Key %#X released. (%#X)\n",
__FUNCTION__, __LINE__, event.data.keyboard.keycode, event.data.keyboard.rawcode);
// Fire key released event.
dispatch_event(&event);
}
else if (data->type == ButtonPress) {
// X11 handles wheel events as button events.
if (data->event.u.u.detail == WheelUp || data->event.u.u.detail == WheelDown
|| data->event.u.u.detail == WheelLeft || data->event.u.u.detail == WheelRight) {
// Reset the click count and previous button.
hook->input.mouse.click.count = 1;
hook->input.mouse.click.button = MOUSE_NOBUTTON;
/* Scroll wheel release events.
* Scroll type: WHEEL_UNIT_SCROLL
* Scroll amount: 3 unit increments per notch
* Units to scroll: 3 unit increments
* Vertical unit increment: 15 pixels
*/
// Populate mouse wheel event.
event.time = timestamp;
event.reserved = 0x00;
event.type = EVENT_MOUSE_WHEEL;
event.mask = get_modifiers();
event.data.wheel.clicks = hook->input.mouse.click.count;
event.data.wheel.x = data->event.u.keyButtonPointer.rootX;
event.data.wheel.y = data->event.u.keyButtonPointer.rootY;
#if defined(USE_XINERAMA) || defined(USE_XRANDR)
uint8_t count;
screen_data *screens = hook_create_screen_info(&count);
if (count > 1) {
event.data.wheel.x -= screens[0].x;
event.data.wheel.y -= screens[0].y;
}
if (screens != NULL) {
free(screens);
}
#endif
/* X11 does not have an API call for acquiring the mouse scroll type. This
* maybe part of the XInput2 (XI2) extention but I will wont know until it
* is available on my platform. For the time being we will just use the
* unit scroll value.
*/
event.data.wheel.type = WHEEL_UNIT_SCROLL;
/* Some scroll wheel properties are available via the new XInput2 (XI2)
* extension. Unfortunately the extension is not available on my
* development platform at this time. For the time being we will just
* use the Windows default value of 3.
*/
event.data.wheel.amount = 3;
if (data->event.u.u.detail == WheelUp || data->event.u.u.detail == WheelLeft) {
// Wheel Rotated Up and Away.
event.data.wheel.rotation = -1;
}
else { // data->event.u.u.detail == WheelDown
// Wheel Rotated Down and Towards.
event.data.wheel.rotation = 1;
}
if (data->event.u.u.detail == WheelUp || data->event.u.u.detail == WheelDown) {
// Wheel Rotated Up or Down.
event.data.wheel.direction = WHEEL_VERTICAL_DIRECTION;
}
else { // data->event.u.u.detail == WheelLeft || data->event.u.u.detail == WheelRight
// Wheel Rotated Left or Right.
event.data.wheel.direction = WHEEL_HORIZONTAL_DIRECTION;
}
logger(LOG_LEVEL_INFO, "%s [%u]: Mouse wheel type %u, rotated %i units in the %u direction at %u, %u.\n",
__FUNCTION__, __LINE__, event.data.wheel.type,
event.data.wheel.amount * event.data.wheel.rotation,
event.data.wheel.direction,
event.data.wheel.x, event.data.wheel.y);
// Fire mouse wheel event.
dispatch_event(&event);
}
else {
/* This information is all static for X11, its up to the WM to
* decide how to interpret the wheel events.
*/
uint16_t button = MOUSE_NOBUTTON;
switch (data->event.u.u.detail) {
// FIXME This should use a lookup table to handle button remapping.
case Button1:
button = MOUSE_BUTTON1;
set_modifier_mask(MASK_BUTTON1);
break;
case Button2:
button = MOUSE_BUTTON2;
set_modifier_mask(MASK_BUTTON2);
break;
case Button3:
button = MOUSE_BUTTON3;
set_modifier_mask(MASK_BUTTON3);
break;
case XButton1:
button = MOUSE_BUTTON4;
set_modifier_mask(MASK_BUTTON5);
break;
case XButton2:
button = MOUSE_BUTTON5;
set_modifier_mask(MASK_BUTTON5);
break;
default:
// Do not set modifier masks past button MASK_BUTTON5.
break;
}
// Track the number of clicks, the button must match the previous button.
if (button == hook->input.mouse.click.button && (long int) (timestamp - hook->input.mouse.click.time) <= hook_get_multi_click_time()) {
if (hook->input.mouse.click.count < USHRT_MAX) {
hook->input.mouse.click.count++;
}
else {
logger(LOG_LEVEL_WARN, "%s [%u]: Click count overflow detected!\n",
__FUNCTION__, __LINE__);
}
}
else {
// Reset the click count.
hook->input.mouse.click.count = 1;
// Set the previous button.
hook->input.mouse.click.button = button;
}
// Save this events time to calculate the hook->input.mouse.click.count.
hook->input.mouse.click.time = timestamp;
// Populate mouse pressed event.
event.time = timestamp;
event.reserved = 0x00;
event.type = EVENT_MOUSE_PRESSED;
event.mask = get_modifiers();
event.data.mouse.button = button;
event.data.mouse.clicks = hook->input.mouse.click.count;
event.data.mouse.x = data->event.u.keyButtonPointer.rootX;
event.data.mouse.y = data->event.u.keyButtonPointer.rootY;
#if defined(USE_XINERAMA) || defined(USE_XRANDR)
uint8_t count;
screen_data *screens = hook_create_screen_info(&count);
if (count > 1) {
event.data.mouse.x -= screens[0].x;
event.data.mouse.y -= screens[0].y;
}
if (screens != NULL) {
free(screens);
}
#endif
logger(LOG_LEVEL_INFO, "%s [%u]: Button %u pressed %u time(s). (%u, %u)\n",
__FUNCTION__, __LINE__, event.data.mouse.button, event.data.mouse.clicks,
event.data.mouse.x, event.data.mouse.y);
// Fire mouse pressed event.
dispatch_event(&event);
}
}
else if (data->type == ButtonRelease) {
// X11 handles wheel events as button events.
if (data->event.u.u.detail != WheelUp && data->event.u.u.detail != WheelDown) {
/* This information is all static for X11, its up to the WM to
* decide how to interpret the wheel events.
*/
uint16_t button = MOUSE_NOBUTTON;
switch (data->event.u.u.detail) {
// FIXME This should use a lookup table to handle button remapping.
case Button1:
button = MOUSE_BUTTON1;
unset_modifier_mask(MASK_BUTTON1);
break;
case Button2:
button = MOUSE_BUTTON2;
unset_modifier_mask(MASK_BUTTON2);
break;
case Button3:
button = MOUSE_BUTTON3;
unset_modifier_mask(MASK_BUTTON3);
break;
case XButton1:
button = MOUSE_BUTTON4;
unset_modifier_mask(MASK_BUTTON5);
break;
case XButton2:
button = MOUSE_BUTTON5;
unset_modifier_mask(MASK_BUTTON5);
break;
default:
// Do not set modifier masks past button MASK_BUTTON5.
break;
}
// Populate mouse released event.
event.time = timestamp;
event.reserved = 0x00;
event.type = EVENT_MOUSE_RELEASED;
event.mask = get_modifiers();
event.data.mouse.button = button;
event.data.mouse.clicks = hook->input.mouse.click.count;
event.data.mouse.x = data->event.u.keyButtonPointer.rootX;
event.data.mouse.y = data->event.u.keyButtonPointer.rootY;
#if defined(USE_XINERAMA) || defined(USE_XRANDR)
uint8_t count;
screen_data *screens = hook_create_screen_info(&count);
if (count > 1) {
event.data.mouse.x -= screens[0].x;
event.data.mouse.y -= screens[0].y;
}
if (screens != NULL) {
free(screens);
}
#endif
logger(LOG_LEVEL_INFO, "%s [%u]: Button %u released %u time(s). (%u, %u)\n",
__FUNCTION__, __LINE__, event.data.mouse.button,
event.data.mouse.clicks,
event.data.mouse.x, event.data.mouse.y);
// Fire mouse released event.
dispatch_event(&event);
// If the pressed event was not consumed...
if (event.reserved ^ 0x01 && hook->input.mouse.is_dragged != true) {
// Populate mouse clicked event.
event.time = timestamp;
event.reserved = 0x00;
event.type = EVENT_MOUSE_CLICKED;
event.mask = get_modifiers();
event.data.mouse.button = button;
event.data.mouse.clicks = hook->input.mouse.click.count;
event.data.mouse.x = data->event.u.keyButtonPointer.rootX;
event.data.mouse.y = data->event.u.keyButtonPointer.rootY;
#if defined(USE_XINERAMA) || defined(USE_XRANDR)
uint8_t count;
screen_data *screens = hook_create_screen_info(&count);
if (count > 1) {
event.data.mouse.x -= screens[0].x;
event.data.mouse.y -= screens[0].y;
}
if (screens != NULL) {
free(screens);
}
#endif
logger(LOG_LEVEL_INFO, "%s [%u]: Button %u clicked %u time(s). (%u, %u)\n",
__FUNCTION__, __LINE__, event.data.mouse.button,
event.data.mouse.clicks,
event.data.mouse.x, event.data.mouse.y);
// Fire mouse clicked event.
dispatch_event(&event);
}
// Reset the number of clicks.
if (button == hook->input.mouse.click.button && (long int) (event.time - hook->input.mouse.click.time) > hook_get_multi_click_time()) {
// Reset the click count.
hook->input.mouse.click.count = 0;
}
}
}
else if (data->type == MotionNotify) {
// Reset the click count.
if (hook->input.mouse.click.count != 0 && (long int) (timestamp - hook->input.mouse.click.time) > hook_get_multi_click_time()) {
hook->input.mouse.click.count = 0;
}
// Populate mouse move event.
event.time = timestamp;
event.reserved = 0x00;
event.mask = get_modifiers();
// Check the upper half of virtual modifiers for non-zero
// values and set the mouse dragged flag.
hook->input.mouse.is_dragged = (event.mask >> 8 > 0);
if (hook->input.mouse.is_dragged) {
// Create Mouse Dragged event.
event.type = EVENT_MOUSE_DRAGGED;
}
else {
// Create a Mouse Moved event.
event.type = EVENT_MOUSE_MOVED;
}
event.data.mouse.button = MOUSE_NOBUTTON;
event.data.mouse.clicks = hook->input.mouse.click.count;
event.data.mouse.x = data->event.u.keyButtonPointer.rootX;
event.data.mouse.y = data->event.u.keyButtonPointer.rootY;
#if defined(USE_XINERAMA) || defined(USE_XRANDR)
uint8_t count;
screen_data *screens = hook_create_screen_info(&count);
if (count > 1) {
event.data.mouse.x -= screens[0].x;
event.data.mouse.y -= screens[0].y;
}
if (screens != NULL) {
free(screens);
}
#endif
logger(LOG_LEVEL_INFO, "%s [%u]: Mouse %s to %i, %i. (%#X)\n",
__FUNCTION__, __LINE__, hook->input.mouse.is_dragged ? "dragged" : "moved",
event.data.mouse.x, event.data.mouse.y, event.mask);
// Fire mouse move event.
dispatch_event(&event);
}
else {
static void
test_update_key(struct xkb_keymap *keymap)
{
struct xkb_state *state = xkb_state_new(keymap);
const xkb_keysym_t *syms;
xkb_keysym_t one_sym;
int num_syms;
assert(state);
/* LCtrl down */
xkb_state_update_key(state, KEY_LEFTCTRL + EVDEV_OFFSET, XKB_KEY_DOWN);
fprintf(stderr, "dumping state for LCtrl down:\n");
print_state(state);
assert(xkb_state_mod_name_is_active(state, XKB_MOD_NAME_CTRL,
XKB_STATE_MODS_DEPRESSED) > 0);
/* LCtrl + RAlt down */
xkb_state_update_key(state, KEY_RIGHTALT + EVDEV_OFFSET, XKB_KEY_DOWN);
fprintf(stderr, "dumping state for LCtrl + RAlt down:\n");
print_state(state);
assert(xkb_state_mod_name_is_active(state, XKB_MOD_NAME_CTRL,
XKB_STATE_MODS_DEPRESSED) > 0);
assert(xkb_state_mod_name_is_active(state, XKB_MOD_NAME_ALT,
XKB_STATE_MODS_DEPRESSED) > 0);
assert(xkb_state_mod_names_are_active(state, XKB_STATE_MODS_DEPRESSED,
XKB_STATE_MATCH_ALL,
XKB_MOD_NAME_CTRL,
XKB_MOD_NAME_ALT,
NULL) > 0);
assert(xkb_state_mod_indices_are_active(state, XKB_STATE_MODS_DEPRESSED,
XKB_STATE_MATCH_ALL,
xkb_keymap_mod_get_index(keymap, XKB_MOD_NAME_CTRL),
xkb_keymap_mod_get_index(keymap, XKB_MOD_NAME_ALT),
XKB_MOD_INVALID) > 0);
assert(xkb_state_mod_names_are_active(state, XKB_STATE_MODS_DEPRESSED,
XKB_STATE_MATCH_ALL,
XKB_MOD_NAME_ALT,
NULL) == 0);
assert(xkb_state_mod_names_are_active(state, XKB_STATE_MODS_DEPRESSED,
XKB_STATE_MATCH_ALL |
XKB_STATE_MATCH_NON_EXCLUSIVE,
XKB_MOD_NAME_ALT,
NULL) > 0);
assert(xkb_state_mod_names_are_active(state, XKB_STATE_MODS_DEPRESSED,
(XKB_STATE_MATCH_ANY |
XKB_STATE_MATCH_NON_EXCLUSIVE),
XKB_MOD_NAME_ALT,
NULL) > 0);
/* RAlt down */
xkb_state_update_key(state, KEY_LEFTCTRL + EVDEV_OFFSET, XKB_KEY_UP);
fprintf(stderr, "dumping state for RAlt down:\n");
print_state(state);
assert(xkb_state_mod_name_is_active(state, XKB_MOD_NAME_CTRL,
XKB_STATE_MODS_EFFECTIVE) == 0);
assert(xkb_state_mod_name_is_active(state, XKB_MOD_NAME_ALT,
XKB_STATE_MODS_DEPRESSED) > 0);
assert(xkb_state_mod_names_are_active(state, XKB_STATE_MODS_DEPRESSED,
XKB_STATE_MATCH_ANY,
XKB_MOD_NAME_CTRL,
XKB_MOD_NAME_ALT,
NULL) > 0);
assert(xkb_state_mod_names_are_active(state, XKB_STATE_MODS_LATCHED,
XKB_STATE_MATCH_ANY,
XKB_MOD_NAME_CTRL,
XKB_MOD_NAME_ALT,
NULL) == 0);
/* none down */
xkb_state_update_key(state, KEY_RIGHTALT + EVDEV_OFFSET, XKB_KEY_UP);
assert(xkb_state_mod_name_is_active(state, XKB_MOD_NAME_ALT,
XKB_STATE_MODS_EFFECTIVE) == 0);
/* Caps locked */
xkb_state_update_key(state, KEY_CAPSLOCK + EVDEV_OFFSET, XKB_KEY_DOWN);
assert(xkb_state_mod_name_is_active(state, XKB_MOD_NAME_CAPS,
XKB_STATE_MODS_DEPRESSED) > 0);
xkb_state_update_key(state, KEY_CAPSLOCK + EVDEV_OFFSET, XKB_KEY_UP);
fprintf(stderr, "dumping state for Caps Lock:\n");
print_state(state);
assert(xkb_state_mod_name_is_active(state, XKB_MOD_NAME_CAPS,
XKB_STATE_MODS_DEPRESSED) == 0);
assert(xkb_state_mod_name_is_active(state, XKB_MOD_NAME_CAPS,
XKB_STATE_MODS_LOCKED) > 0);
assert(xkb_state_led_name_is_active(state, XKB_LED_NAME_CAPS) > 0);
num_syms = xkb_state_key_get_syms(state, KEY_Q + EVDEV_OFFSET, &syms);
assert(num_syms == 1 && syms[0] == XKB_KEY_Q);
/* Num Lock locked */
xkb_state_update_key(state, KEY_NUMLOCK + EVDEV_OFFSET, XKB_KEY_DOWN);
xkb_state_update_key(state, KEY_NUMLOCK + EVDEV_OFFSET, XKB_KEY_UP);
fprintf(stderr, "dumping state for Caps Lock + Num Lock:\n");
print_state(state);
assert(xkb_state_mod_name_is_active(state, XKB_MOD_NAME_CAPS,
XKB_STATE_MODS_LOCKED) > 0);
assert(xkb_state_mod_name_is_active(state, "Mod2",
XKB_STATE_MODS_LOCKED) > 0);
num_syms = xkb_state_key_get_syms(state, KEY_KP1 + EVDEV_OFFSET, &syms);
assert(num_syms == 1 && syms[0] == XKB_KEY_KP_1);
assert(xkb_state_led_name_is_active(state, XKB_LED_NAME_NUM) > 0);
/* Num Lock unlocked */
xkb_state_update_key(state, KEY_NUMLOCK + EVDEV_OFFSET, XKB_KEY_DOWN);
xkb_state_update_key(state, KEY_NUMLOCK + EVDEV_OFFSET, XKB_KEY_UP);
/* Switch to group 2 */
xkb_state_update_key(state, KEY_COMPOSE + EVDEV_OFFSET, XKB_KEY_DOWN);
xkb_state_update_key(state, KEY_COMPOSE + EVDEV_OFFSET, XKB_KEY_UP);
assert(xkb_state_led_name_is_active(state, "Group 2") > 0);
assert(xkb_state_led_name_is_active(state, XKB_LED_NAME_NUM) == 0);
/* Switch back to group 1. */
xkb_state_update_key(state, KEY_COMPOSE + EVDEV_OFFSET, XKB_KEY_DOWN);
xkb_state_update_key(state, KEY_COMPOSE + EVDEV_OFFSET, XKB_KEY_UP);
/* Caps unlocked */
xkb_state_update_key(state, KEY_CAPSLOCK + EVDEV_OFFSET, XKB_KEY_DOWN);
xkb_state_update_key(state, KEY_CAPSLOCK + EVDEV_OFFSET, XKB_KEY_UP);
assert(xkb_state_mod_name_is_active(state, XKB_MOD_NAME_CAPS,
XKB_STATE_MODS_EFFECTIVE) == 0);
assert(xkb_state_led_name_is_active(state, XKB_LED_NAME_CAPS) == 0);
num_syms = xkb_state_key_get_syms(state, KEY_Q + EVDEV_OFFSET, &syms);
assert(num_syms == 1 && syms[0] == XKB_KEY_q);
/* Multiple symbols */
num_syms = xkb_state_key_get_syms(state, KEY_6 + EVDEV_OFFSET, &syms);
assert(num_syms == 5 &&
syms[0] == XKB_KEY_H && syms[1] == XKB_KEY_E &&
syms[2] == XKB_KEY_L && syms[3] == XKB_KEY_L &&
syms[4] == XKB_KEY_O);
one_sym = xkb_state_key_get_one_sym(state, KEY_6 + EVDEV_OFFSET);
assert(one_sym == XKB_KEY_NoSymbol);
xkb_state_update_key(state, KEY_6 + EVDEV_OFFSET, XKB_KEY_DOWN);
xkb_state_update_key(state, KEY_6 + EVDEV_OFFSET, XKB_KEY_UP);
one_sym = xkb_state_key_get_one_sym(state, KEY_5 + EVDEV_OFFSET);
assert(one_sym == XKB_KEY_5);
xkb_state_unref(state);
}
