static void
print_keycode(struct keyboard *kbd, xkb_keycode_t keycode)
{
unsigned int i;
struct xkb_keymap *keymap;
struct xkb_state *state;
const xkb_keysym_t *syms;
unsigned int nsyms;
char s[16];
uint32_t unicode;
xkb_layout_index_t layout;
xkb_mod_index_t mod;
xkb_led_index_t led;
state = kbd->state;
keymap = xkb_state_get_keymap(state);
nsyms = xkb_state_key_get_syms(state, keycode, &syms);
if (nsyms <= 0)
return;
printf("keysyms [ ");
for (i = 0; i < nsyms; i++) {
xkb_keysym_get_name(syms[i], s, sizeof(s));
printf("%-*s ", (int)sizeof(s), s);
}
printf("] ");
/*
* Only do this if wchar_t is UCS-4, so we can be lazy and print
* with %lc.
*/
#ifdef __STDC_ISO_10646__
printf("unicode [ ");
for (i = 0; i < nsyms; i++) {
unicode = xkb_keysym_to_utf32(syms[i]);
printf("%lc ", (int)(unicode ? unicode : L' '));
}
printf("] ");
#endif
layout = xkb_state_key_get_layout(state, keycode);
printf("layout [ %s (%d) ] ",
xkb_keymap_layout_get_name(keymap, layout), layout);
printf("level [ %d ] ",
xkb_state_key_get_level(state, keycode, layout));
printf("mods [ ");
for (mod = 0; mod < xkb_keymap_num_mods(keymap); mod++) {
if (xkb_state_mod_index_is_active(state, mod,
XKB_STATE_MODS_EFFECTIVE) <= 0)
continue;
if (xkb_state_mod_index_is_consumed(state, keycode, mod))
printf("-%s ", xkb_keymap_mod_get_name(keymap, mod));
else
printf("%s ", xkb_keymap_mod_get_name(keymap, mod));
}
printf("] ");
printf("leds [ ");
for (led = 0; led < xkb_keymap_num_leds(keymap); led++) {
if (xkb_state_led_index_is_active(state, led) <= 0)
continue;
printf("%s ", xkb_keymap_led_get_name(keymap, led));
}
printf("] ");
printf("\n");
}
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
}
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);
}
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);
}
static int keyboard_fill(idev_keyboard *k,
idev_data *dst,
bool resync,
uint16_t code,
uint32_t value,
uint32_t n_syms,
const uint32_t *keysyms) {
idev_data_keyboard *kev;
uint32_t i;
int r;
assert(dst == &k->evdata || dst == &k->repdata);
r = keyboard_resize_bufs(k, n_syms);
if (r < 0)
return r;
dst->type = IDEV_DATA_KEYBOARD;
dst->resync = resync;
kev = &dst->keyboard;
kev->ascii = guess_ascii(k->xkb_state, code, n_syms, keysyms);
kev->value = value;
kev->keycode = code;
kev->mods = 0;
kev->consumed_mods = 0;
kev->n_syms = n_syms;
memcpy(kev->keysyms, keysyms, sizeof(*keysyms) * n_syms);
for (i = 0; i < n_syms; ++i) {
kev->codepoints[i] = xkb_keysym_to_utf32(keysyms[i]);
if (!kev->codepoints[i])
kev->codepoints[i] = 0xffffffffUL;
}
for (i = 0; i < IDEV_KBDMOD_CNT; ++i) {
if (k->kbdmap->modmap[i] == XKB_MOD_INVALID)
continue;
r = xkb_state_mod_index_is_active(k->xkb_state, k->kbdmap->modmap[i], XKB_STATE_MODS_EFFECTIVE);
if (r > 0)
kev->mods |= 1 << i;
r = xkb_state_mod_index_is_consumed(k->xkb_state, code + KBDXKB_SHIFT, k->kbdmap->modmap[i]);
if (r > 0)
kev->consumed_mods |= 1 << i;
}
return 0;
}
/* 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;
}
static void input_done(void) {
STOP_TIMER(clear_pam_wrong_timeout);
pam_state = STATE_PAM_VERIFY;
redraw_screen();
if (pam_authenticate(pam_handle, 0) == PAM_SUCCESS) {
DEBUG("successfully authenticated\n");
clear_password_memory();
/* PAM credentials should be refreshed, this will for example update any kerberos tickets.
* Related to credentials pam_end() needs to be called to cleanup any temporary
* credentials like kerberos /tmp/krb5cc_pam_* files which may of been left behind if the
* refresh of the credentials failed. */
pam_setcred(pam_handle, PAM_REFRESH_CRED);
pam_end(pam_handle, PAM_SUCCESS);
exit(0);
}
if (debug_mode)
fprintf(stderr, "Authentication failure\n");
/* Get state of Caps and Num lock modifiers, to be displayed in
* STATE_PAM_WRONG state */
xkb_mod_index_t idx, num_mods;
const char *mod_name;
num_mods = xkb_keymap_num_mods(xkb_keymap);
for (idx = 0; idx < num_mods; idx++) {
if (!xkb_state_mod_index_is_active(xkb_state, idx, XKB_STATE_MODS_EFFECTIVE))
continue;
mod_name = xkb_keymap_mod_get_name(xkb_keymap, idx);
if (mod_name == NULL)
continue;
/* Replace certain xkb names with nicer, human-readable ones. */
if (strcmp(mod_name, XKB_MOD_NAME_CAPS) == 0)
mod_name = "Caps Lock";
else if (strcmp(mod_name, XKB_MOD_NAME_ALT) == 0)
mod_name = "Alt";
else if (strcmp(mod_name, XKB_MOD_NAME_NUM) == 0)
mod_name = "Num Lock";
else if (strcmp(mod_name, XKB_MOD_NAME_LOGO) == 0)
mod_name = "Win";
char *tmp;
if (modifier_string == NULL) {
if (asprintf(&tmp, "%s", mod_name) != -1)
modifier_string = tmp;
} else if (asprintf(&tmp, "%s, %s", modifier_string, mod_name) != -1) {
free(modifier_string);
modifier_string = tmp;
}
}
pam_state = STATE_PAM_WRONG;
failed_attempts += 1;
clear_input();
if (unlock_indicator)
redraw_screen();
/* Skip all the events during the pam verification to avoid bad people
* spamming keys and locking pam in an endless validation loop */
xcb_generic_event_t *ev = xcb_poll_for_event(conn);
free(ev);
while (ev != NULL)
{
ev = xcb_poll_for_queued_event(conn);
free(ev);
}
/* Clear this state after 2 seconds (unless the user enters another
* password during that time). */
ev_now_update(main_loop);
START_TIMER(clear_pam_wrong_timeout, TSTAMP_N_SECS(2), clear_pam_wrong);
/* Cancel the clear_indicator_timeout, it would hide the unlock indicator
* too early. */
STOP_TIMER(clear_indicator_timeout);
/* beep on authentication failure, if enabled */
if (beep) {
xcb_bell(conn, 100);
xcb_flush(conn);
}
}
namespace ViewBackend {
class EventSource {
public:
static GSourceFuncs sourceFuncs;
GSource source;
GPollFD pfd;
struct wl_display* display;
};
GSourceFuncs EventSource::sourceFuncs = {
// prepare
[](GSource* base, gint* timeout) -> gboolean
{
auto* source = reinterpret_cast<EventSource*>(base);
struct wl_display* display = source->display;
*timeout = -1;
wl_display_flush(display);
wl_display_dispatch_pending(display);
return FALSE;
},
// check
[](GSource* base) -> gboolean
{
auto* source = reinterpret_cast<EventSource*>(base);
return !!source->pfd.revents;
},
// dispatch
[](GSource* base, GSourceFunc, gpointer) -> gboolean
{
auto* source = reinterpret_cast<EventSource*>(base);
struct wl_display* display = source->display;
if (source->pfd.revents & G_IO_IN)
wl_display_dispatch(display);
if (source->pfd.revents & (G_IO_ERR | G_IO_HUP))
return FALSE;
source->pfd.revents = 0;
return TRUE;
},
nullptr, // finalize
nullptr, // closure_callback
nullptr, // closure_marshall
};
const struct wl_registry_listener g_registryListener = {
// global
[](void* data, struct wl_registry* registry, uint32_t name, const char* interface, uint32_t)
{
auto& interfaces = *static_cast<WaylandDisplay::Interfaces*>(data);
if (!std::strcmp(interface, "wl_compositor"))
interfaces.compositor = static_cast<struct wl_compositor*>(wl_registry_bind(registry, name, &wl_compositor_interface, 1));
if (!std::strcmp(interface, "wl_data_device_manager"))
interfaces.data_device_manager = static_cast<struct wl_data_device_manager*>(wl_registry_bind(registry, name, &wl_data_device_manager_interface, 2));
if (!std::strcmp(interface, "wl_drm"))
interfaces.drm = static_cast<struct wl_drm*>(wl_registry_bind(registry, name, &wl_drm_interface, 2));
if (!std::strcmp(interface, "wl_seat"))
interfaces.seat = static_cast<struct wl_seat*>(wl_registry_bind(registry, name, &wl_seat_interface, 4));
if (!std::strcmp(interface, "xdg_shell"))
interfaces.xdg = static_cast<struct xdg_shell*>(wl_registry_bind(registry, name, &xdg_shell_interface, 1));
if (!std::strcmp(interface, "ivi_application"))
interfaces.ivi_application = static_cast<struct ivi_application*>(wl_registry_bind(registry, name, &ivi_application_interface, 1));
},
// global_remove
[](void*, struct wl_registry*, uint32_t) { },
};
static const struct xdg_shell_listener g_xdgShellListener = {
// ping
[](void*, struct xdg_shell* shell, uint32_t serial)
{
xdg_shell_pong(shell, serial);
},
};
static const struct wl_pointer_listener g_pointerListener = {
// enter
[](void* data, struct wl_pointer*, uint32_t serial, struct wl_surface* surface, wl_fixed_t, wl_fixed_t)
{
auto& seatData = *static_cast<WaylandDisplay::SeatData*>(data);
seatData.serial = serial;
auto it = seatData.inputClients.find(surface);
if (it != seatData.inputClients.end())
seatData.pointer.target = *it;
},
// leave
[](void* data, struct wl_pointer*, uint32_t serial, struct wl_surface* surface)
{
auto& seatData = *static_cast<WaylandDisplay::SeatData*>(data);
seatData.serial = serial;
auto it = seatData.inputClients.find(surface);
if (it != seatData.inputClients.end() && seatData.pointer.target.first == it->first)
seatData.pointer.target = { };
},
// motion
[](void* data, struct wl_pointer*, uint32_t time, wl_fixed_t fixedX, wl_fixed_t fixedY)
{
auto x = wl_fixed_to_int(fixedX);
auto y = wl_fixed_to_int(fixedY);
auto& pointer = static_cast<WaylandDisplay::SeatData*>(data)->pointer;
pointer.coords = { x, y };
if (pointer.target.first)
pointer.target.second->handlePointerEvent({ Input::PointerEvent::Motion, time, x, y, 0, 0 });
},
// button
[](void* data, struct wl_pointer*, uint32_t serial, uint32_t time, uint32_t button, uint32_t state)
{
static_cast<WaylandDisplay::SeatData*>(data)->serial = serial;
if (button >= BTN_MOUSE)
button = button - BTN_MOUSE + 1;
else
button = 0;
auto& pointer = static_cast<WaylandDisplay::SeatData*>(data)->pointer;
auto& coords = pointer.coords;
if (pointer.target.first)
pointer.target.second->handlePointerEvent(
{ Input::PointerEvent::Button, time, coords.first, coords.second, button, state });
},
// axis
[](void* data, struct wl_pointer*, uint32_t time, uint32_t axis, wl_fixed_t value)
{
auto& pointer = static_cast<WaylandDisplay::SeatData*>(data)->pointer;
auto& coords = pointer.coords;
if (pointer.target.first)
pointer.target.second->handleAxisEvent(
{ Input::AxisEvent::Motion, time, coords.first, coords.second, axis, -wl_fixed_to_int(value) });
},
};
static void
handleKeyEvent(WaylandDisplay::SeatData& seatData, uint32_t key, uint32_t state, uint32_t time)
{
auto& xkb = seatData.xkb;
uint32_t keysym = xkb_state_key_get_one_sym(xkb.state, key);
uint32_t unicode = xkb_state_key_get_utf32(xkb.state, key);
if (state == WL_KEYBOARD_KEY_STATE_PRESSED
&& xkb_compose_state_feed(xkb.composeState, keysym) == XKB_COMPOSE_FEED_ACCEPTED
&& xkb_compose_state_get_status(xkb.composeState) == XKB_COMPOSE_COMPOSED)
{
keysym = xkb_compose_state_get_one_sym(xkb.composeState);
unicode = xkb_keysym_to_utf32(keysym);
}
if (seatData.keyboard.target.first)
seatData.keyboard.target.second->handleKeyboardEvent({ time, keysym, unicode, !!state, xkb.modifiers });
}
static gboolean
repeatRateTimeout(void* data)
{
auto& seatData = *static_cast<WaylandDisplay::SeatData*>(data);
handleKeyEvent(seatData, seatData.repeatData.key, seatData.repeatData.state, seatData.repeatData.time);
return G_SOURCE_CONTINUE;
}
static gboolean
repeatDelayTimeout(void* data)
{
auto& seatData = *static_cast<WaylandDisplay::SeatData*>(data);
handleKeyEvent(seatData, seatData.repeatData.key, seatData.repeatData.state, seatData.repeatData.time);
seatData.repeatData.eventSource = g_timeout_add(seatData.repeatInfo.rate, static_cast<GSourceFunc>(repeatRateTimeout), data);
return G_SOURCE_REMOVE;
}
static const struct wl_keyboard_listener g_keyboardListener = {
// keymap
[](void* data, struct wl_keyboard*, uint32_t format, int fd, uint32_t size)
{
if (format != WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1) {
close(fd);
return;
}
void* mapping = mmap(nullptr, size, PROT_READ, MAP_SHARED, fd, 0);
if (mapping == MAP_FAILED) {
close(fd);
return;
}
auto& xkb = static_cast<WaylandDisplay::SeatData*>(data)->xkb;
xkb.keymap = xkb_keymap_new_from_string(xkb.context, static_cast<char*>(mapping),
XKB_KEYMAP_FORMAT_TEXT_V1, XKB_KEYMAP_COMPILE_NO_FLAGS);
munmap(mapping, size);
close(fd);
if (!xkb.keymap)
return;
xkb.state = xkb_state_new(xkb.keymap);
if (!xkb.state)
return;
xkb.indexes.control = xkb_keymap_mod_get_index(xkb.keymap, XKB_MOD_NAME_CTRL);
xkb.indexes.alt = xkb_keymap_mod_get_index(xkb.keymap, XKB_MOD_NAME_ALT);
xkb.indexes.shift = xkb_keymap_mod_get_index(xkb.keymap, XKB_MOD_NAME_SHIFT);
},
// enter
[](void* data, struct wl_keyboard*, uint32_t serial, struct wl_surface* surface, struct wl_array*)
{
auto& seatData = *static_cast<WaylandDisplay::SeatData*>(data);
seatData.serial = serial;
auto it = seatData.inputClients.find(surface);
if (it != seatData.inputClients.end())
seatData.keyboard.target = *it;
},
// leave
[](void* data, struct wl_keyboard*, uint32_t serial, struct wl_surface* surface)
{
auto& seatData = *static_cast<WaylandDisplay::SeatData*>(data);
seatData.serial = serial;
auto it = seatData.inputClients.find(surface);
if (it != seatData.inputClients.end() && seatData.keyboard.target.first == it->first)
seatData.keyboard.target = { };
},
// key
[](void* data, struct wl_keyboard*, uint32_t serial, uint32_t time, uint32_t key, uint32_t state)
{
// IDK.
key += 8;
auto& seatData = *static_cast<WaylandDisplay::SeatData*>(data);
seatData.serial = serial;
handleKeyEvent(seatData, key, state, time);
if (!seatData.repeatInfo.rate)
return;
if (state == WL_KEYBOARD_KEY_STATE_RELEASED
&& seatData.repeatData.key == key) {
if (seatData.repeatData.eventSource)
g_source_remove(seatData.repeatData.eventSource);
seatData.repeatData = { 0, 0, 0, 0 };
} else if (state == WL_KEYBOARD_KEY_STATE_PRESSED
&& xkb_keymap_key_repeats(seatData.xkb.keymap, key)) {
if (seatData.repeatData.eventSource)
g_source_remove(seatData.repeatData.eventSource);
seatData.repeatData = { key, time, state, g_timeout_add(seatData.repeatInfo.delay, static_cast<GSourceFunc>(repeatDelayTimeout), data) };
}
},
// modifiers
[](void* data, struct wl_keyboard*, uint32_t serial, uint32_t depressedMods, uint32_t latchedMods, uint32_t lockedMods, uint32_t group)
{
static_cast<WaylandDisplay::SeatData*>(data)->serial = serial;
auto& xkb = static_cast<WaylandDisplay::SeatData*>(data)->xkb;
xkb_state_update_mask(xkb.state, depressedMods, latchedMods, lockedMods, 0, 0, group);
auto& modifiers = xkb.modifiers;
modifiers = 0;
auto component = static_cast<xkb_state_component>(XKB_STATE_MODS_DEPRESSED | XKB_STATE_MODS_LATCHED);
if (xkb_state_mod_index_is_active(xkb.state, xkb.indexes.control, component))
modifiers |= Input::KeyboardEvent::Control;
if (xkb_state_mod_index_is_active(xkb.state, xkb.indexes.alt, component))
modifiers |= Input::KeyboardEvent::Alt;
if (xkb_state_mod_index_is_active(xkb.state, xkb.indexes.shift, component))
modifiers |= Input::KeyboardEvent::Shift;
},
// repeat_info
[](void* data, struct wl_keyboard*, int32_t rate, int32_t delay)
{
auto& repeatInfo = static_cast<WaylandDisplay::SeatData*>(data)->repeatInfo;
repeatInfo = { rate, delay };
// A rate of zero disables any repeating.
if (!rate) {
auto& repeatData = static_cast<WaylandDisplay::SeatData*>(data)->repeatData;
if (repeatData.eventSource) {
g_source_remove(repeatData.eventSource);
repeatData = { 0, 0, 0, 0 };
}
}
},
};
static const struct wl_touch_listener g_touchListener = {
// down
[](void* data, struct wl_touch*, uint32_t serial, uint32_t time, struct wl_surface* surface, int32_t id, wl_fixed_t x, wl_fixed_t y)
{
auto& seatData = *static_cast<WaylandDisplay::SeatData*>(data);
seatData.serial = serial;
int32_t arraySize = std::tuple_size<decltype(seatData.touch.targets)>::value;
if (id < 0 || id >= arraySize)
return;
auto& target = seatData.touch.targets[id];
assert(!target.first && !target.second);
auto it = seatData.inputClients.find(surface);
if (it == seatData.inputClients.end())
return;
target = { surface, it->second };
auto& touchPoints = seatData.touch.touchPoints;
touchPoints[id] = { Input::TouchEvent::Down, time, id, wl_fixed_to_int(x), wl_fixed_to_int(y) };
target.second->handleTouchEvent({ touchPoints, Input::TouchEvent::Down, id, time });
},
// up
[](void* data, struct wl_touch*, uint32_t serial, uint32_t time, int32_t id)
{
auto& seatData = *static_cast<WaylandDisplay::SeatData*>(data);
seatData.serial = serial;
int32_t arraySize = std::tuple_size<decltype(seatData.touch.targets)>::value;
if (id < 0 || id >= arraySize)
return;
auto& target = seatData.touch.targets[id];
assert(target.first && target.second);
auto& touchPoints = seatData.touch.touchPoints;
auto& point = touchPoints[id];
point = { Input::TouchEvent::Up, time, id, point.x, point.y };
target.second->handleTouchEvent({ touchPoints, Input::TouchEvent::Up, id, time });
point = { Input::TouchEvent::Null, 0, 0, 0, 0 };
target = { nullptr, nullptr };
},
// motion
[](void* data, struct wl_touch*, uint32_t time, int32_t id, wl_fixed_t x, wl_fixed_t y)
{
auto& seatData = *static_cast<WaylandDisplay::SeatData*>(data);
int32_t arraySize = std::tuple_size<decltype(seatData.touch.targets)>::value;
if (id < 0 || id >= arraySize)
return;
auto& target = seatData.touch.targets[id];
assert(target.first && target.second);
auto& touchPoints = seatData.touch.touchPoints;
touchPoints[id] = { Input::TouchEvent::Motion, time, id, wl_fixed_to_int(x), wl_fixed_to_int(y) };
target.second->handleTouchEvent({ touchPoints, Input::TouchEvent::Motion, id, time });
},
// frame
[](void*, struct wl_touch*)
{
// FIXME: Dispatching events via frame() would avoid dispatching events
// for every single event that's encapsulated in a frame with multiple
// other events.
},
// cancel
[](void*, struct wl_touch*) { },
};
static const struct wl_seat_listener g_seatListener = {
// capabilities
[](void* data, struct wl_seat* seat, uint32_t capabilities)
{
auto& seatData = *static_cast<WaylandDisplay::SeatData*>(data);
// WL_SEAT_CAPABILITY_POINTER
const bool hasPointerCap = capabilities & WL_SEAT_CAPABILITY_POINTER;
if (hasPointerCap && !seatData.pointer.object) {
seatData.pointer.object = wl_seat_get_pointer(seat);
wl_pointer_add_listener(seatData.pointer.object, &g_pointerListener, &seatData);
}
if (!hasPointerCap && seatData.pointer.object) {
wl_pointer_destroy(seatData.pointer.object);
seatData.pointer.object = nullptr;
}
// WL_SEAT_CAPABILITY_KEYBOARD
const bool hasKeyboardCap = capabilities & WL_SEAT_CAPABILITY_KEYBOARD;
if (hasKeyboardCap && !seatData.keyboard.object) {
seatData.keyboard.object = wl_seat_get_keyboard(seat);
wl_keyboard_add_listener(seatData.keyboard.object, &g_keyboardListener, &seatData);
}
if (!hasKeyboardCap && seatData.keyboard.object) {
wl_keyboard_destroy(seatData.keyboard.object);
seatData.keyboard.object = nullptr;
}
// WL_SEAT_CAPABILITY_TOUCH
const bool hasTouchCap = capabilities & WL_SEAT_CAPABILITY_TOUCH;
if (hasTouchCap && !seatData.touch.object) {
seatData.touch.object = wl_seat_get_touch(seat);
wl_touch_add_listener(seatData.touch.object, &g_touchListener, &seatData);
}
if (!hasTouchCap && seatData.touch.object) {
wl_touch_destroy(seatData.touch.object);
seatData.touch.object = nullptr;
}
},
// name
[](void*, struct wl_seat*, const char*) { }
};
WaylandDisplay& WaylandDisplay::singleton()
{
static WaylandDisplay display;
return display;
}
WaylandDisplay::WaylandDisplay()
{
m_display = wl_display_connect(nullptr);
m_registry = wl_display_get_registry(m_display);
wl_registry_add_listener(m_registry, &g_registryListener, &m_interfaces);
wl_display_roundtrip(m_display);
m_eventSource = g_source_new(&EventSource::sourceFuncs, sizeof(EventSource));
auto* source = reinterpret_cast<EventSource*>(m_eventSource);
source->display = m_display;
source->pfd.fd = wl_display_get_fd(m_display);
source->pfd.events = G_IO_IN | G_IO_ERR | G_IO_HUP;
source->pfd.revents = 0;
g_source_add_poll(m_eventSource, &source->pfd);
g_source_set_name(m_eventSource, "[WPE] WaylandDisplay");
g_source_set_priority(m_eventSource, G_PRIORITY_HIGH + 30);
g_source_set_can_recurse(m_eventSource, TRUE);
g_source_attach(m_eventSource, g_main_context_get_thread_default());
if (m_interfaces.xdg) {
xdg_shell_add_listener(m_interfaces.xdg, &g_xdgShellListener, nullptr);
xdg_shell_use_unstable_version(m_interfaces.xdg, 5);
}
wl_seat_add_listener(m_interfaces.seat, &g_seatListener, &m_seatData);
m_seatData.xkb.context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
m_seatData.xkb.composeTable = xkb_compose_table_new_from_locale(m_seatData.xkb.context, setlocale(LC_CTYPE, nullptr), XKB_COMPOSE_COMPILE_NO_FLAGS);
if (m_seatData.xkb.composeTable)
m_seatData.xkb.composeState = xkb_compose_state_new(m_seatData.xkb.composeTable, XKB_COMPOSE_STATE_NO_FLAGS);
}
WaylandDisplay::~WaylandDisplay()
{
if (m_eventSource)
g_source_unref(m_eventSource);
m_eventSource = nullptr;
if (m_interfaces.compositor)
wl_compositor_destroy(m_interfaces.compositor);
if (m_interfaces.data_device_manager)
wl_data_device_manager_destroy(m_interfaces.data_device_manager);
if (m_interfaces.drm)
wl_drm_destroy(m_interfaces.drm);
if (m_interfaces.seat)
wl_seat_destroy(m_interfaces.seat);
if (m_interfaces.xdg)
xdg_shell_destroy(m_interfaces.xdg);
if (m_interfaces.ivi_application)
ivi_application_destroy(m_interfaces.ivi_application);
m_interfaces = { nullptr, nullptr, nullptr, nullptr, nullptr, nullptr };
if (m_registry)
wl_registry_destroy(m_registry);
m_registry = nullptr;
if (m_display)
wl_display_disconnect(m_display);
m_display = nullptr;
if (m_seatData.pointer.object)
wl_pointer_destroy(m_seatData.pointer.object);
if (m_seatData.keyboard.object)
wl_keyboard_destroy(m_seatData.keyboard.object);
if (m_seatData.touch.object)
wl_touch_destroy(m_seatData.touch.object);
if (m_seatData.xkb.context)
xkb_context_unref(m_seatData.xkb.context);
if (m_seatData.xkb.keymap)
xkb_keymap_unref(m_seatData.xkb.keymap);
if (m_seatData.xkb.state)
xkb_state_unref(m_seatData.xkb.state);
if (m_seatData.xkb.composeTable)
xkb_compose_table_unref(m_seatData.xkb.composeTable);
if (m_seatData.xkb.composeState)
xkb_compose_state_unref(m_seatData.xkb.composeState);
if (m_seatData.repeatData.eventSource)
g_source_remove(m_seatData.repeatData.eventSource);
m_seatData = SeatData{ };
}
void WaylandDisplay::registerInputClient(struct wl_surface* surface, Input::Client* client)
{
#ifndef NDEBUG
auto result =
#endif
m_seatData.inputClients.insert({ surface, client });
assert(result.second);
}
void WaylandDisplay::unregisterInputClient(struct wl_surface* surface)
{
auto it = m_seatData.inputClients.find(surface);
assert(it != m_seatData.inputClients.end());
if (m_seatData.pointer.target.first == it->first)
m_seatData.pointer.target = { };
if (m_seatData.keyboard.target.first == it->first)
m_seatData.keyboard.target = { };
m_seatData.inputClients.erase(it);
}
} // namespace ViewBackend
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);
}
static void
print_state(struct xkb_state *state)
{
struct xkb_keymap *keymap;
xkb_layout_index_t group;
xkb_mod_index_t mod;
xkb_led_index_t led;
group = xkb_state_serialize_layout(state, XKB_STATE_LAYOUT_EFFECTIVE);
mod = xkb_state_serialize_mods(state, XKB_STATE_MODS_EFFECTIVE);
/* led = xkb_state_serialize_leds(state, XKB_STATE_LEDS); */
if (!group && !mod /* && !led */) {
fprintf(stderr, "\tno state\n");
return;
}
keymap = xkb_state_get_keymap(state);
for (group = 0; group < xkb_keymap_num_layouts(keymap); group++) {
if (xkb_state_layout_index_is_active(state, group,
XKB_STATE_LAYOUT_EFFECTIVE |
XKB_STATE_LAYOUT_DEPRESSED |
XKB_STATE_LAYOUT_LATCHED |
XKB_STATE_LAYOUT_LOCKED) <= 0)
continue;
fprintf(stderr, "\tgroup %s (%d): %s%s%s%s\n",
xkb_keymap_layout_get_name(keymap, group),
group,
xkb_state_layout_index_is_active(state, group, XKB_STATE_LAYOUT_EFFECTIVE) > 0 ?
"effective " : "",
xkb_state_layout_index_is_active(state, group, XKB_STATE_LAYOUT_DEPRESSED) > 0 ?
"depressed " : "",
xkb_state_layout_index_is_active(state, group, XKB_STATE_LAYOUT_LATCHED) > 0 ?
"latched " : "",
xkb_state_layout_index_is_active(state, group, XKB_STATE_LAYOUT_LOCKED) > 0 ?
"locked " : "");
}
for (mod = 0; mod < xkb_keymap_num_mods(keymap); mod++) {
if (xkb_state_mod_index_is_active(state, mod,
XKB_STATE_MODS_EFFECTIVE |
XKB_STATE_MODS_DEPRESSED |
XKB_STATE_MODS_LATCHED |
XKB_STATE_MODS_LOCKED) <= 0)
continue;
fprintf(stderr, "\tmod %s (%d): %s%s%s%s\n",
xkb_keymap_mod_get_name(keymap, mod),
mod,
xkb_state_mod_index_is_active(state, mod, XKB_STATE_MODS_EFFECTIVE) > 0 ?
"effective " : "",
xkb_state_mod_index_is_active(state, mod, XKB_STATE_MODS_DEPRESSED) > 0 ?
"depressed " : "",
xkb_state_mod_index_is_active(state, mod, XKB_STATE_MODS_LATCHED) > 0 ?
"latched " : "",
xkb_state_mod_index_is_active(state, mod, XKB_STATE_MODS_LOCKED) > 0 ?
"locked " : "");
}
for (led = 0; led < xkb_keymap_num_leds(keymap); led++) {
if (xkb_state_led_index_is_active(state, led) <= 0)
continue;
fprintf(stderr, "\tled %s (%d): active\n",
xkb_keymap_led_get_name(keymap, led),
led);
}
}
