static void
update_internal_xkb_state (ClutterInputDeviceEvdev *device,
xkb_mod_mask_t new_latched_mask,
xkb_mod_mask_t new_locked_mask)
{
ClutterSeatEvdev *seat = device->seat;
xkb_mod_mask_t depressed_mods;
xkb_mod_mask_t latched_mods;
xkb_mod_mask_t locked_mods;
xkb_mod_mask_t group_mods;
depressed_mods = xkb_state_serialize_mods (seat->xkb, XKB_STATE_MODS_DEPRESSED);
latched_mods = xkb_state_serialize_mods (seat->xkb, XKB_STATE_MODS_LATCHED);
locked_mods = xkb_state_serialize_mods (seat->xkb, XKB_STATE_MODS_LOCKED);
latched_mods &= ~device->stickykeys_latched_mask;
locked_mods &= ~device->stickykeys_locked_mask;
device->stickykeys_latched_mask = new_latched_mask;
device->stickykeys_locked_mask = new_locked_mask;
latched_mods |= device->stickykeys_latched_mask;
locked_mods |= device->stickykeys_locked_mask;
group_mods = xkb_state_serialize_layout (seat->xkb, XKB_STATE_LAYOUT_EFFECTIVE);
xkb_state_update_mask (seat->xkb,
depressed_mods,
latched_mods,
locked_mods,
0, 0, group_mods);
notify_stickykeys_mask (device);
}
static void keyboardHandleModifiers(void* data,
struct wl_keyboard* keyboard,
uint32_t serial,
uint32_t modsDepressed,
uint32_t modsLatched,
uint32_t modsLocked,
uint32_t group)
{
xkb_mod_mask_t mask;
unsigned int modifiers = 0;
if (!_glfw.wl.xkb.keymap)
return;
xkb_state_update_mask(_glfw.wl.xkb.state,
modsDepressed,
modsLatched,
modsLocked,
0,
0,
group);
mask = xkb_state_serialize_mods(_glfw.wl.xkb.state,
XKB_STATE_DEPRESSED |
XKB_STATE_LATCHED);
if (mask & _glfw.wl.xkb.control_mask)
modifiers |= GLFW_MOD_CONTROL;
if (mask & _glfw.wl.xkb.alt_mask)
modifiers |= GLFW_MOD_ALT;
if (mask & _glfw.wl.xkb.shift_mask)
modifiers |= GLFW_MOD_SHIFT;
if (mask & _glfw.wl.xkb.super_mask)
modifiers |= GLFW_MOD_SUPER;
_glfw.wl.xkb.modifiers = modifiers;
}
void handle_xkb_state_mask(uint32_t depressed,
uint32_t latched, uint32_t locked, uint32_t group)
{
if (!xkb_state)
return;
xkb_state_update_mask(xkb_state, depressed, latched, locked, 0, 0, group);
}
static void
ss_seat_handle_modifiers(void *data, struct wl_keyboard *wl_keyboard,
uint32_t serial_in, uint32_t mods_depressed,
uint32_t mods_latched, uint32_t mods_locked,
uint32_t group)
{
struct ss_seat *seat = data;
struct weston_compositor *c = seat->base.compositor;
struct weston_keyboard *keyboard;
uint32_t serial_out;
/* If we get a key event followed by a modifier event with the
* same serial number, then we try to preserve those semantics by
* reusing the same serial number on the way out too. */
if (serial_in == seat->key_serial)
serial_out = wl_display_get_serial(c->wl_display);
else
serial_out = wl_display_next_serial(c->wl_display);
keyboard = weston_seat_get_keyboard(&seat->base);
xkb_state_update_mask(keyboard->xkb_state.state,
mods_depressed, mods_latched,
mods_locked, 0, 0, group);
notify_modifiers(&seat->base, serial_out);
}
static void
input_method_keyboard_modifiers(void *data,
struct wl_keyboard *wl_keyboard,
uint32_t serial,
uint32_t mods_depressed,
uint32_t mods_latched,
uint32_t mods_locked,
uint32_t group)
{
struct simple_im *keyboard = data;
struct input_method_context *context = keyboard->context;
xkb_mod_mask_t mask;
xkb_state_update_mask(keyboard->state, mods_depressed,
mods_latched, mods_locked, 0, 0, group);
mask = xkb_state_serialize_mods(keyboard->state,
XKB_STATE_DEPRESSED |
XKB_STATE_LATCHED);
keyboard->modifiers = 0;
if (mask & keyboard->control_mask)
keyboard->modifiers |= MOD_CONTROL_MASK;
if (mask & keyboard->alt_mask)
keyboard->modifiers |= MOD_ALT_MASK;
if (mask & keyboard->shift_mask)
keyboard->modifiers |= MOD_SHIFT_MASK;
input_method_context_modifiers(context, serial,
mods_depressed, mods_depressed,
mods_latched, group);
}
void EglFSWaylandInput::keyboardModifiersChanged(quint32 depressed,
quint32 latched,
quint32 locked,
quint32 group)
{
if (m_xkbState)
xkb_state_update_mask(m_xkbState, depressed, latched, locked, 0, 0, group);
m_modifiers = EglFSXkb::modifiers(m_xkbState);
m_nativeModifiers = depressed | latched | locked;
}
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);
}
/**
* Process X11 events in the main-loop (gui-thread) of the application.
*/
static gboolean main_loop_x11_event_handler ( xcb_generic_event_t *ev, G_GNUC_UNUSED gpointer data )
{
if ( ev == NULL ) {
int status = xcb_connection_has_error ( xcb->connection );
fprintf ( stderr, "The XCB connection to X server had a fatal error: %d\n", status );
g_main_loop_quit ( main_loop );
return G_SOURCE_REMOVE;
}
uint8_t type = ev->response_type & ~0x80;
if ( type == xkb.first_event ) {
switch ( ev->pad0 )
{
case XCB_XKB_MAP_NOTIFY:
xkb_state_unref ( xkb.state );
xkb_keymap_unref ( xkb.keymap );
xkb.keymap = xkb_x11_keymap_new_from_device ( xkb.context, xcb->connection, xkb.device_id, 0 );
xkb.state = xkb_x11_state_new_from_device ( xkb.keymap, xcb->connection, xkb.device_id );
break;
case XCB_XKB_STATE_NOTIFY:
{
xcb_xkb_state_notify_event_t *ksne = (xcb_xkb_state_notify_event_t *) ev;
xkb_state_update_mask ( xkb.state,
ksne->baseMods,
ksne->latchedMods,
ksne->lockedMods,
ksne->baseGroup,
ksne->latchedGroup,
ksne->lockedGroup );
break;
}
}
return G_SOURCE_CONTINUE;
}
RofiViewState *state = rofi_view_get_active ();
if ( xcb->sndisplay != NULL ) {
sn_xcb_display_process_event ( xcb->sndisplay, ev );
}
if ( state != NULL ) {
rofi_view_itterrate ( state, ev, &xkb );
if ( rofi_view_get_completed ( state ) ) {
// This menu is done.
rofi_view_finalize ( state );
// cleanup
if ( rofi_view_get_active () == NULL ) {
teardown ( pfd );
g_main_loop_quit ( main_loop );
}
}
}
return G_SOURCE_CONTINUE;
}
static void keyboard_handle_modifiers(void *data,
struct wl_keyboard *wl_keyboard,
uint32_t serial,
uint32_t mods_depressed,
uint32_t mods_latched,
uint32_t mods_locked,
uint32_t group)
{
struct vo_wayland_state *wl = data;
xkb_state_update_mask(wl->input.xkb.state,
mods_depressed,
mods_latched,
mods_locked,
0, 0, group);
}
/*
* Called when the keyboard mapping changes. We update our symbols.
*
* We ignore errors — if the new keymap cannot be loaded it’s better if the
* screen stays locked and the user intervenes by using killall i3lock.
*
*/
static void process_xkb_event(xcb_generic_event_t *gevent) {
union xkb_event {
struct {
uint8_t response_type;
uint8_t xkbType;
uint16_t sequence;
xcb_timestamp_t time;
uint8_t deviceID;
} any;
xcb_xkb_new_keyboard_notify_event_t new_keyboard_notify;
xcb_xkb_map_notify_event_t map_notify;
xcb_xkb_state_notify_event_t state_notify;
} *event = (union xkb_event *)gevent;
DEBUG("process_xkb_event for device %d\n", event->any.deviceID);
if (event->any.deviceID != xkb_x11_get_core_keyboard_device_id(conn))
return;
/*
* XkbNewKkdNotify and XkbMapNotify together capture all sorts of keymap
* updates (e.g. xmodmap, xkbcomp, setxkbmap), with minimal redundent
* recompilations.
*/
switch (event->any.xkbType) {
case XCB_XKB_NEW_KEYBOARD_NOTIFY:
if (event->new_keyboard_notify.changed & XCB_XKB_NKN_DETAIL_KEYCODES)
(void)load_keymap();
break;
case XCB_XKB_MAP_NOTIFY:
(void)load_keymap();
break;
case XCB_XKB_STATE_NOTIFY:
xkb_state_update_mask(xkb_state,
event->state_notify.baseMods,
event->state_notify.latchedMods,
event->state_notify.lockedMods,
event->state_notify.baseGroup,
event->state_notify.latchedGroup,
event->state_notify.lockedGroup);
break;
}
}
static void keyboard_handle_modifiers(void *data, struct wl_keyboard *keyboard,
uint32_t serial, uint32_t mods_depressed, uint32_t mods_latched,
uint32_t mods_locked, uint32_t group) {
struct registry *registry = data;
if (!registry->input->xkb.keymap) {
return;
}
xkb_state_update_mask(registry->input->xkb.state, mods_depressed, mods_latched, mods_locked, 0, 0, group);
xkb_mod_mask_t mask = xkb_state_serialize_mods(registry->input->xkb.state,
XKB_STATE_MODS_DEPRESSED | XKB_STATE_MODS_LATCHED);
registry->input->modifiers = 0;
for (uint32_t i = 0; i < MASK_LAST; ++i) {
if (mask & registry->input->xkb.masks[i]) {
registry->input->modifiers |= XKB_MODS[i];
}
}
}
static void
clutter_wayland_handle_modifiers (void *data,
struct wl_keyboard *keyboard,
uint32_t serial,
uint32_t mods_depressed,
uint32_t mods_latched,
uint32_t mods_locked,
uint32_t group)
{
ClutterInputDeviceWayland *device = data;
if (!device->xkb)
return;
xkb_state_update_mask (device->xkb,
mods_depressed,
mods_latched,
mods_locked,
0,
0,
group);
}
static void
keyboard_handle_modifiers(void *data, struct wl_keyboard *keyboard,
uint32_t serial, uint32_t mods_depressed,
uint32_t mods_latched, uint32_t mods_locked,
uint32_t group)
{
xkb_mod_mask_t mask;
xkb_state_update_mask(GLWin.keyboard.xkb.state, mods_depressed, mods_latched,
mods_locked, 0, 0, group);
mask = xkb_state_serialize_mods(GLWin.keyboard.xkb.state,
(xkb_state_component)
(XKB_STATE_DEPRESSED |
XKB_STATE_LATCHED));
GLWin.keyboard.modifiers = 0;
if (mask & GLWin.keyboard.xkb.control_mask)
GLWin.keyboard.modifiers |= MOD_CONTROL_MASK;
if (mask & GLWin.keyboard.xkb.alt_mask)
GLWin.keyboard.modifiers |= MOD_ALT_MASK;
if (mask & GLWin.keyboard.xkb.shift_mask)
GLWin.keyboard.modifiers |= MOD_SHIFT_MASK;
}
static void process_keyboard_event(Keyboard *keyboard, xcb_generic_event_t *event) {
union xkb_event {
struct {
uint8_t response_type;
uint8_t xkbType;
uint16_t sequence;
xcb_timestamp_t time;
uint8_t deviceID;
} any;
xcb_xkb_new_keyboard_notify_event_t new_keyboard_notify;
xcb_xkb_map_notify_event_t map_notify;
xcb_xkb_state_notify_event_t state_notify;
} *e = (union xkb_event *)event;
if (e->any.deviceID != keyboard->device_id) {
return;
}
switch (e->any.xkbType) {
case XCB_XKB_NEW_KEYBOARD_NOTIFY:
if (e->new_keyboard_notify.changed & XCB_XKB_NKN_DETAIL_KEYCODES) {
update_keymap(keyboard);
}
break;
case XCB_XKB_MAP_NOTIFY:
update_keymap(keyboard);
break;
case XCB_XKB_STATE_NOTIFY:
xkb_state_update_mask(keyboard->state,
e->state_notify.baseMods,
e->state_notify.latchedMods,
e->state_notify.lockedMods,
e->state_notify.baseGroup,
e->state_notify.latchedGroup,
e->state_notify.lockedGroup);
break;
default:
break;
}
}
static void
input_handle_modifiers(void *data, struct wl_keyboard *keyboard,
uint32_t serial_in, uint32_t mods_depressed,
uint32_t mods_latched, uint32_t mods_locked,
uint32_t group)
{
struct wayland_input *input = data;
struct wayland_compositor *c = input->compositor;
uint32_t serial_out;
/* If we get a key event followed by a modifier event with the
* same serial number, then we try to preserve those semantics by
* reusing the same serial number on the way out too. */
if (serial_in == input->key_serial)
serial_out = wl_display_get_serial(c->base.wl_display);
else
serial_out = wl_display_next_serial(c->base.wl_display);
xkb_state_update_mask(input->base.xkb_state.state,
mods_depressed, mods_latched,
mods_locked, 0, 0, group);
notify_modifiers(&input->base, serial_out);
}
int X11Backend::eventLoop()
{
xcb_generic_event_t* event;
int count = 0;
while((event = xcb_poll_for_event(xConnection_)))
{
switch(event->response_type & ~0x80)
{
case XCB_EXPOSE:
{
xcb_expose_event_t* ev = (xcb_expose_event_t*) event;
auto* outp = outputForWindow(ev->window);
if(!outp)
{
ny::sendWarning("xcb_expose: invalid xcb window");
break;
}
outp->scheduleRepaint();
break;
}
case XCB_CLIENT_MESSAGE:
{
xcb_client_message_event_t* ev = (xcb_client_message_event_t*) event;
if(ev->data.data32[0] == atoms::deleteWindow)
{
auto* outp = outputForWindow(ev->window);
if(!outp)
{
ny::sendWarning("xcb_client_message: invalid xcb window");
break;
}
destroyOutput(*outp);
if(outputs_.empty())
{
compositor().exit();
return count + 1;
}
}
break;
}
case XCB_BUTTON_PRESS:
{
if(!seat().pointer()) break;
xcb_button_press_event_t* ev = (xcb_button_press_event_t*) event;
unsigned int code = (ev->detail == 2 ? BTN_MIDDLE :
(ev->detail == 3 ? BTN_RIGHT : ev->detail + BTN_LEFT - 1));
seat().pointer()->sendButton(code, 1);
break;
}
case XCB_BUTTON_RELEASE:
{
if(!seat().pointer()) break;
xcb_button_release_event_t* ev = (xcb_button_release_event_t*) event;
unsigned int code = (ev->detail == 2 ? BTN_MIDDLE :
(ev->detail == 3 ? BTN_RIGHT : ev->detail + BTN_LEFT - 1));
seat().pointer()->sendButton(code, 0);
break;
}
case XCB_MOTION_NOTIFY:
{
if(!seat().pointer()) break;
xcb_motion_notify_event_t* ev = (xcb_motion_notify_event_t*) event;
seat().pointer()->sendMove({ev->event_x, ev->event_y});
break;
}
case XCB_KEY_PRESS:
{
if(!seat().keyboard()) break;
xcb_key_press_event_t* ev = (xcb_key_press_event_t*) event;
seat().keyboard()->sendKey(ev->detail - 8, true);
break;
}
case XCB_KEY_RELEASE:
{
if(!seat().keyboard()) break;
xcb_key_press_event_t* ev = (xcb_key_press_event_t*) event;
seat().keyboard()->sendKey(ev->detail - 8, false);
break;
}
case XCB_FOCUS_IN:
{
break;
}
case XCB_FOCUS_OUT:
{
break;
}
case XCB_ENTER_NOTIFY:
{
break;
}
case XCB_LEAVE_NOTIFY:
{
break;
}
default: break;
}
if(event->response_type == xkbEventBase_)
{
xcb_xkb_state_notify_event_t *ev = (xcb_xkb_state_notify_event_t*)event;
if(ev->xkbType == XCB_XKB_STATE_NOTIFY)
{
if(seat().keyboard())
{
auto& kb = *seat().keyboard();
xkb_state_update_mask(&kb.xkbState(), kb.modMask(ev->baseMods),
kb.modMask(ev->latchedMods), kb.modMask(ev->lockedMods), 0, 0, ev->group);
seat().keyboard()->updateModifiers();
}
}
}
free(event);
++count;
}
return count;
}
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
