static void
test_repeat(struct xkb_keymap *keymap)
{
assert(!xkb_keymap_key_repeats(keymap, KEY_LEFTSHIFT + 8));
assert(xkb_keymap_key_repeats(keymap, KEY_A + 8));
assert(xkb_keymap_key_repeats(keymap, KEY_8 + 8));
assert(xkb_keymap_key_repeats(keymap, KEY_DOWN + 8));
assert(xkb_keymap_key_repeats(keymap, KEY_KBDILLUMDOWN + 8));
}
static void uxkb_dev_repeat(struct uterm_input_dev *dev, unsigned int state)
{
struct xkb_keymap *keymap = xkb_state_get_keymap(dev->state);
unsigned int i;
int num_keysyms, ret;
const uint32_t *keysyms;
struct itimerspec spec;
if (dev->repeating && dev->repeat_event.keycode == dev->event.keycode) {
if (state == KEY_RELEASED) {
dev->repeating = false;
ev_timer_update(dev->repeat_timer, NULL);
}
return;
}
if (state == KEY_PRESSED &&
xkb_keymap_key_repeats(keymap, dev->event.keycode)) {
dev->repeat_event.keycode = dev->event.keycode;
dev->repeat_event.ascii = dev->event.ascii;
dev->repeat_event.mods = dev->event.mods;
dev->repeat_event.num_syms = dev->event.num_syms;
for (i = 0; i < dev->event.num_syms; ++i) {
dev->repeat_event.keysyms[i] = dev->event.keysyms[i];
dev->repeat_event.codepoints[i] =
dev->event.codepoints[i];
}
} else if (dev->repeating &&
!xkb_keymap_key_repeats(keymap, dev->event.keycode)) {
num_keysyms = xkb_state_key_get_syms(dev->state,
dev->repeat_event.keycode,
&keysyms);
if (num_keysyms <= 0)
return;
ret = uxkb_dev_fill_event(dev, &dev->repeat_event,
dev->repeat_event.keycode,
num_keysyms, keysyms);
if (ret)
return;
return;
} else {
return;
}
dev->repeating = true;
spec.it_interval.tv_sec = 0;
spec.it_interval.tv_nsec = dev->input->repeat_rate * 1000000;
spec.it_value.tv_sec = 0;
spec.it_value.tv_nsec = dev->input->repeat_delay * 1000000;
ev_timer_update(dev->repeat_timer, &spec);
}
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);
}
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 EglFSWaylandInput::processKeyEvent(QEvent::Type type, quint32 time, quint32 key)
{
EglFSWaylandWindow *window = EglFSWaylandWindow::fromSurface(
m_seat->keyboard()->focusSurface());
if (!createDefaultKeymap())
return;
quint32 code = key + 8;
QString text;
const xkb_keysym_t sym = xkb_state_key_get_one_sym(m_xkbState, code);
quint32 utf32 = xkb_keysym_to_utf32(sym);
if (utf32)
text = QString::fromUcs4(&utf32, 1);
int qtKey = EglFSXkb::keysymToQtKey(sym, m_modifiers, text);
QWindowSystemInterface::handleExtendedKeyEvent(window ? window->window() : Q_NULLPTR,
time, type, qtKey,
m_modifiers, code, sym,
m_nativeModifiers, text);
if (type == QEvent::KeyPress && xkb_keymap_key_repeats(m_xkbKeymap, code)) {
m_repeatKey = qtKey;
m_repeatCode = code;
m_repeatTime = time;
m_repeatText = text;
m_repeatSym = sym;
m_repeatTimer.setInterval(m_seat->keyboard()->repeatRate());
m_repeatTimer.start();
} else if (m_repeatCode == code) {
m_repeatTimer.stop();
}
}
static GLFWbool inputChar(_GLFWwindow* window, uint32_t key)
{
uint32_t code, numSyms;
long cp;
const xkb_keysym_t *syms;
xkb_keysym_t sym;
code = key + 8;
numSyms = xkb_state_key_get_syms(_glfw.wl.xkb.state, code, &syms);
if (numSyms == 1)
{
#ifdef HAVE_XKBCOMMON_COMPOSE_H
sym = composeSymbol(syms[0]);
#else
sym = syms[0];
#endif
cp = _glfwKeySym2Unicode(sym);
if (cp != -1)
{
const int mods = _glfw.wl.xkb.modifiers;
const int plain = !(mods & (GLFW_MOD_CONTROL | GLFW_MOD_ALT));
_glfwInputChar(window, cp, mods, plain);
}
}
return xkb_keymap_key_repeats(_glfw.wl.xkb.keymap, syms[0]);
}
static void keyboard_repeat(idev_keyboard *k) {
idev_data *evdata = &k->evdata;
idev_data *repdata = &k->repdata;
idev_data_keyboard *evkbd = &evdata->keyboard;
idev_data_keyboard *repkbd = &repdata->keyboard;
const xkb_keysym_t *keysyms;
idev_device *d = &k->device;
bool repeats;
int r, num;
if (evdata->resync) {
/*
* We received a re-sync event. During re-sync, any number of
* key-events may have been lost and sync-events may be
* re-ordered. Always disable key-repeat for those events. Any
* following event will trigger it again.
*/
k->repeating = false;
keyboard_arm(k, 0);
return;
}
repeats = xkb_keymap_key_repeats(k->kbdmap->xkb_keymap, evkbd->keycode + KBDXKB_SHIFT);
if (k->repeating && repkbd->keycode == evkbd->keycode) {
/*
* We received an event for the key we currently repeat. If it
* was released, stop key-repeat. Otherwise, ignore the event.
*/
if (evkbd->value == KBDKEY_UP) {
k->repeating = false;
keyboard_arm(k, 0);
}
} else if (evkbd->value == KBDKEY_DOWN && repeats) {
/*
* We received a key-down event for a key that repeats. The
* previous condition caught keys we already repeat, so we know
* this is a different key or no key-repeat is running. Start
* new key-repeat.
*/
errno = 0;
num = xkb_state_key_get_syms(k->xkb_state, evkbd->keycode + KBDXKB_SHIFT, &keysyms);
if (num < 0)
r = errno > 0 ? errno : -EFAULT;
else
r = keyboard_fill(k, repdata, false, evkbd->keycode, KBDKEY_REPEAT, num, keysyms);
if (r < 0) {
log_debug_errno(r, "idev-keyboard: %s/%s: cannot set key-repeat: %m",
d->session->name, d->name);
k->repeating = false;
keyboard_arm(k, 0);
} else {
k->repeating = true;
keyboard_arm(k, k->repeat_delay);
}
} else if (k->repeating && !repeats) {
/*
* We received an event for a key that does not repeat, but we
* currently repeat a previously received key. The new key is
* usually a modifier, but might be any kind of key. In this
* case, we continue repeating the old key, but update the
* symbols according to the new state.
*/
errno = 0;
num = xkb_state_key_get_syms(k->xkb_state, repkbd->keycode + KBDXKB_SHIFT, &keysyms);
if (num < 0)
r = errno > 0 ? errno : -EFAULT;
else
r = keyboard_fill(k, repdata, false, repkbd->keycode, KBDKEY_REPEAT, num, keysyms);
if (r < 0) {
log_debug_errno(r, "idev-keyboard: %s/%s: cannot update key-repeat: %m",
d->session->name, d->name);
k->repeating = false;
keyboard_arm(k, 0);
}
}
}
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;
}
}
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