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Merge pull request #156 from acrisci/feature/wlr-keyboard-events

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[wip] wlr-seat-keyboard: keyboard events
This commit is contained in:
Drew DeVault 2017-09-23 15:00:52 -04:00 committed by GitHub
commit d89272dbbd
7 changed files with 249 additions and 58 deletions
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77
examples/compositor.c
View file

@ -128,6 +128,15 @@ static void example_set_focused_surface(struct sample_state *sample,
}
}
if (surface) {
// TODO: send array of currently pressed keys
struct wl_array keys;
wl_array_init(&keys);
wlr_seat_keyboard_enter(sample->wl_seat, surface->surface, keys);
} else {
wlr_seat_keyboard_clear_focus(sample->wl_seat);
}
sample->focused_surface = surface;
}
@ -332,64 +341,30 @@ static void handle_output_frame(struct output_state *output,
}
static void handle_keyboard_key(struct keyboard_state *keyboard,
uint32_t keycode, xkb_keysym_t sym, enum wlr_key_state key_state) {
uint32_t keycode, xkb_keysym_t sym, enum wlr_key_state key_state,
uint64_t time_usec) {
struct compositor_state *state = keyboard->compositor;
struct sample_state *sample = state->data;
struct wl_resource *res = NULL;
struct wlr_seat_handle *seat_handle = NULL;
wl_list_for_each(res, &sample->wlr_compositor->surfaces, link) {
break;
}
uint32_t depressed = xkb_state_serialize_mods(keyboard->xkb_state,
XKB_STATE_MODS_DEPRESSED);
uint32_t latched = xkb_state_serialize_mods(keyboard->xkb_state,
XKB_STATE_MODS_LATCHED);
uint32_t locked = xkb_state_serialize_mods(keyboard->xkb_state,
XKB_STATE_MODS_LOCKED);
uint32_t group = xkb_state_serialize_layout(keyboard->xkb_state,
XKB_STATE_LAYOUT_EFFECTIVE);
if (res) {
seat_handle = wlr_seat_handle_for_client(sample->wl_seat,
wl_resource_get_client(res));
}
if (res != sample->focus && seat_handle && seat_handle->keyboard) {
struct wl_array keys;
wl_array_init(&keys);
uint32_t serial = wl_display_next_serial(state->display);
wl_keyboard_send_enter(seat_handle->keyboard, serial, res, &keys);
sample->focus = res;
}
if (seat_handle && seat_handle->keyboard) {
uint32_t depressed = xkb_state_serialize_mods(keyboard->xkb_state,
XKB_STATE_MODS_DEPRESSED);
uint32_t latched = xkb_state_serialize_mods(keyboard->xkb_state,
XKB_STATE_MODS_LATCHED);
uint32_t locked = xkb_state_serialize_mods(keyboard->xkb_state,
XKB_STATE_MODS_LOCKED);
uint32_t group = xkb_state_serialize_layout(keyboard->xkb_state,
XKB_STATE_LAYOUT_EFFECTIVE);
uint32_t modifiers_serial = wl_display_next_serial(state->display);
uint32_t key_serial = wl_display_next_serial(state->display);
wl_keyboard_send_modifiers(seat_handle->keyboard, modifiers_serial,
depressed, latched, locked, group);
wl_keyboard_send_key(seat_handle->keyboard, key_serial, 0, keycode,
key_state);
}
wlr_seat_keyboard_send_modifiers(sample->wl_seat, depressed, latched,
locked, group);
wlr_seat_keyboard_send_key(sample->wl_seat, (uint32_t)time_usec, keycode,
key_state);
if (sym == XKB_KEY_Super_L || sym == XKB_KEY_Super_R) {
sample->mod_down = key_state == WLR_KEY_PRESSED;
}
}
static void handle_keyboard_bound(struct wl_listener *listener, void *data) {
struct wlr_seat_handle *handle = data;
struct sample_state *state =
wl_container_of(listener, state, keyboard_bound);
wl_keyboard_send_keymap(handle->keyboard, WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1,
state->keymap_fd, state->keymap_size);
if (wl_resource_get_version(handle->keyboard) >= 2) {
wl_keyboard_send_repeat_info(handle->keyboard, 25, 600);
}
}
static struct wlr_xdg_surface_v6 *example_xdg_surface_at(
struct sample_state *sample, int lx, int ly) {
struct wlr_xdg_surface_v6 *xdg_surface;
@ -669,8 +644,6 @@ int main(int argc, char *argv[]) {
state.wl_seat = wlr_seat_create(compositor.display, "seat0");
assert(state.wl_seat);
state.keyboard_bound.notify = handle_keyboard_bound;
wl_signal_add(&state.wl_seat->events.keyboard_bound, &state.keyboard_bound);
wlr_seat_set_capabilities(state.wl_seat, WL_SEAT_CAPABILITY_KEYBOARD
| WL_SEAT_CAPABILITY_POINTER | WL_SEAT_CAPABILITY_TOUCH);
@ -687,6 +660,10 @@ int main(int argc, char *argv[]) {
free(keymap);
break;
}
wlr_seat_keyboard_set_keymap(state.wl_seat, state.keymap_fd,
state.keymap_size);
state.xwayland = wlr_xwayland_create(compositor.display,
state.wlr_compositor);

3
examples/output-layout.c
View file

@ -157,7 +157,8 @@ static void update_velocities(struct compositor_state *state,
}
static void handle_keyboard_key(struct keyboard_state *kbstate,
uint32_t keycode, xkb_keysym_t sym, enum wlr_key_state key_state) {
uint32_t keycode, xkb_keysym_t sym, enum wlr_key_state key_state,
uint64_t time_usec) {
// NOTE: It may be better to simply refer to our key state during each frame
// and make this change in pixels/sec^2
// Also, key repeat

3
examples/rotation.c
View file

@ -99,7 +99,8 @@ static void update_velocities(struct compositor_state *state,
}
static void handle_keyboard_key(struct keyboard_state *kbstate,
uint32_t keycode, xkb_keysym_t sym, enum wlr_key_state key_state) {
uint32_t keycode, xkb_keysym_t sym, enum wlr_key_state key_state,
uint64_t time_usec) {
// NOTE: It may be better to simply refer to our key state during each frame
// and make this change in pixels/sec^2
// Also, key repeat

3
examples/shared.c
View file

@ -48,7 +48,8 @@ static void keyboard_key_notify(struct wl_listener *listener, void *data) {
key_state == WLR_KEY_PRESSED ? "pressed" : "released");
}
if (kbstate->compositor->keyboard_key_cb) {
kbstate->compositor->keyboard_key_cb(kbstate, event->keycode, sym, key_state);
kbstate->compositor->keyboard_key_cb(kbstate, event->keycode, sym,
key_state, event->time_usec);
}
if (sym == XKB_KEY_Escape) {
wl_display_terminate(kbstate->compositor->display);

2
examples/shared.h
View file

@ -87,7 +87,7 @@ struct compositor_state {
struct output_state *s);
void (*keyboard_remove_cb)(struct keyboard_state *s);
void (*keyboard_key_cb)(struct keyboard_state *s, uint32_t keycode,
xkb_keysym_t sym, enum wlr_key_state key_state);
xkb_keysym_t sym, enum wlr_key_state key_state, uint64_t time_usec);
void (*pointer_motion_cb)(struct pointer_state *s,
double d_x, double d_y);
void (*pointer_motion_absolute_cb)(struct pointer_state *s,

47
include/wlr/types/wlr_seat.h
View file

@ -31,6 +31,18 @@ struct wlr_seat_pointer_state {
struct wl_listener focus_resource_destroy_listener;
};
struct wlr_seat_keyboard_state {
struct wlr_seat *wlr_seat;
struct wlr_seat_handle *focused_handle;
struct wlr_surface *focused_surface;
int keymap_fd;
size_t keymap_size;
struct wl_listener focus_surface_destroy_listener;
struct wl_listener focus_resource_destroy_listener;
};
struct wlr_seat {
struct wl_global *wl_global;
struct wl_display *display;
@ -40,6 +52,7 @@ struct wlr_seat {
struct wlr_data_device *data_device;
struct wlr_seat_pointer_state pointer_state;
struct wlr_seat_keyboard_state keyboard_state;
struct {
struct wl_signal client_bound;
@ -113,4 +126,38 @@ uint32_t wlr_seat_pointer_send_button(struct wlr_seat *wlr_seat, uint32_t time,
void wlr_seat_pointer_send_axis(struct wlr_seat *wlr_seat, uint32_t time,
enum wlr_axis_orientation orientation, double value);
/**
* Send a keyboard enter event to the given surface and consider it to be the
* focused surface for the keyboard. This will send a leave event to the last
* surface that was entered. Pass an array of currently pressed keys.
*/
void wlr_seat_keyboard_enter(struct wlr_seat *wlr_seat,
struct wlr_surface *surface, struct wl_array keys);
/**
* Clear the focused surface for the keyboard and leave all entered surfaces.
*/
void wlr_seat_keyboard_clear_focus(struct wlr_seat *wlr_seat);
/**
* Send a key event to the surface with keyboard focus. Returns the event
* serial.
*/
uint32_t wlr_seat_keyboard_send_key(struct wlr_seat *wlr_seat, uint32_t time,
uint32_t key, uint32_t state);
/**
* Send the modifiers event to the surface with keyboard focus. Also sends the
* event to the surface with pointer focus.
*/
void wlr_seat_keyboard_send_modifiers(struct wlr_seat *wlr_seat,
uint32_t mods_depressed, uint32_t mods_latched, uint32_t mods_locked,
uint32_t group);
/**
* Set the keymap and send it to seat keyboard resources.
*/
void wlr_seat_keyboard_set_keymap(struct wlr_seat *wlr_seat, int keymap_fd,
size_t keymap_size);
#endif

172
types/wlr_seat.c
View file

@ -70,7 +70,7 @@ static void wl_seat_get_keyboard(struct wl_client *client,
}
if (handle->keyboard) {
// TODO: this is probably a protocol violation but it simplifies our
// code and it'd be stupid for clients to create several pointers for
// code and it'd be stupid for clients to create several keyboards for
// the same seat
wl_resource_destroy(handle->keyboard);
}
@ -78,6 +78,20 @@ static void wl_seat_get_keyboard(struct wl_client *client,
wl_resource_get_version(_handle), id);
wl_resource_set_implementation(handle->keyboard, &wl_keyboard_impl,
handle, &wl_keyboard_destroy);
if (wl_resource_get_version(handle->keyboard) >=
WL_KEYBOARD_REPEAT_INFO_SINCE_VERSION) {
wl_keyboard_send_repeat_info(handle->keyboard, 25, 600);
}
if (handle->wlr_seat->keyboard_state.keymap_size) {
// TODO: handle no keymap
wl_keyboard_send_keymap(handle->keyboard,
WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1,
handle->wlr_seat->keyboard_state.keymap_fd,
handle->wlr_seat->keyboard_state.keymap_size);
}
wl_signal_emit(&handle->wlr_seat->events.keyboard_bound, handle);
}
@ -115,6 +129,9 @@ static void wlr_seat_handle_resource_destroy(struct wl_resource *resource) {
if (handle == handle->wlr_seat->pointer_state.focused_handle) {
handle->wlr_seat->pointer_state.focused_handle = NULL;
}
if (handle == handle->wlr_seat->keyboard_state.focused_handle) {
handle->wlr_seat->keyboard_state.focused_handle = NULL;
}
if (handle->pointer) {
wl_resource_destroy(handle->pointer);
@ -168,6 +185,14 @@ struct wlr_seat *wlr_seat_create(struct wl_display *display, const char *name) {
}
wlr_seat->pointer_state.wlr_seat = wlr_seat;
wl_list_init(&wlr_seat->pointer_state.focus_resource_destroy_listener.link);
wl_list_init(&wlr_seat->pointer_state.focus_surface_destroy_listener.link);
wlr_seat->keyboard_state.wlr_seat = wlr_seat;
wl_list_init(
&wlr_seat->keyboard_state.focus_resource_destroy_listener.link);
wl_list_init(
&wlr_seat->keyboard_state.focus_surface_destroy_listener.link);
struct wl_global *wl_global = wl_global_create(display,
&wl_seat_interface, 6, wlr_seat, wl_seat_bind);
@ -184,9 +209,6 @@ struct wlr_seat *wlr_seat_create(struct wl_display *display, const char *name) {
wl_signal_init(&wlr_seat->events.client_unbound);
wl_signal_init(&wlr_seat->events.keyboard_bound);
wl_list_init(&wlr_seat->pointer_state.focus_resource_destroy_listener.link);
wl_list_init(&wlr_seat->pointer_state.focus_surface_destroy_listener.link);
return wlr_seat;
}
@ -372,3 +394,145 @@ void wlr_seat_pointer_send_axis(struct wlr_seat *wlr_seat, uint32_t time,
wl_pointer_send_frame(pointer);
}
static void handle_keyboard_focus_surface_destroyed(
struct wl_listener *listener, void *data) {
struct wlr_seat_keyboard_state *state =
wl_container_of(listener, state, focus_surface_destroy_listener);
state->focused_surface = NULL;
wlr_seat_keyboard_clear_focus(state->wlr_seat);
}
static void handle_keyboard_focus_resource_destroyed(
struct wl_listener *listener, void *data) {
struct wlr_seat_keyboard_state *state =
wl_container_of(listener, state, focus_resource_destroy_listener);
state->focused_surface = NULL;
wlr_seat_keyboard_clear_focus(state->wlr_seat);
}
void wlr_seat_keyboard_enter(struct wlr_seat *wlr_seat,
struct wlr_surface *surface, struct wl_array keys) {
if (wlr_seat->keyboard_state.focused_surface == surface) {
// this surface already got an enter notify
return;
}
struct wlr_seat_handle *handle = NULL;
if (surface) {
struct wl_client *client = wl_resource_get_client(surface->resource);
handle = wlr_seat_handle_for_client(wlr_seat, client);
}
struct wlr_seat_handle *focused_handle =
wlr_seat->keyboard_state.focused_handle;
struct wlr_surface *focused_surface =
wlr_seat->keyboard_state.focused_surface;
// leave the previously entered surface
if (focused_handle && focused_handle->keyboard && focused_surface) {
uint32_t serial = wl_display_next_serial(wlr_seat->display);
wl_keyboard_send_leave(focused_handle->keyboard, serial,
focused_surface->resource);
}
// enter the current surface
if (handle && handle->keyboard) {
uint32_t serial = wl_display_next_serial(wlr_seat->display);
wl_keyboard_send_enter(handle->keyboard, serial,
surface->resource, &keys);
// TODO: send modifiers
}
// reinitialize the focus destroy events
wl_list_remove(
&wlr_seat->keyboard_state.focus_surface_destroy_listener.link);
wl_list_init(&wlr_seat->keyboard_state.focus_surface_destroy_listener.link);
wl_list_remove(
&wlr_seat->keyboard_state.focus_resource_destroy_listener.link);
wl_list_init(
&wlr_seat->keyboard_state.focus_resource_destroy_listener.link);
if (surface) {
wl_signal_add(&surface->signals.destroy,
&wlr_seat->keyboard_state.focus_surface_destroy_listener);
wl_resource_add_destroy_listener(surface->resource,
&wlr_seat->keyboard_state.focus_resource_destroy_listener);
wlr_seat->keyboard_state.focus_resource_destroy_listener.notify =
handle_keyboard_focus_resource_destroyed;
wlr_seat->keyboard_state.focus_surface_destroy_listener.notify =
handle_keyboard_focus_surface_destroyed;
}
wlr_seat->keyboard_state.focused_handle = handle;
wlr_seat->keyboard_state.focused_surface = surface;
}
void wlr_seat_keyboard_clear_focus(struct wlr_seat *wlr_seat) {
struct wl_array keys;
wl_array_init(&keys);
wlr_seat_keyboard_enter(wlr_seat, NULL, keys);
}
static bool wlr_seat_keyboard_has_focus_resource(struct wlr_seat *wlr_seat) {
return wlr_seat->keyboard_state.focused_handle &&
wlr_seat->keyboard_state.focused_handle->keyboard;
}
uint32_t wlr_seat_keyboard_send_key(struct wlr_seat *wlr_seat, uint32_t time,
uint32_t key, uint32_t state) {
if (!wlr_seat_keyboard_has_focus_resource(wlr_seat)) {
return 0;
}
uint32_t serial = wl_display_next_serial(wlr_seat->display);
wl_keyboard_send_key(wlr_seat->keyboard_state.focused_handle->keyboard,
serial, time, key, state);
return serial;
}
void wlr_seat_keyboard_send_modifiers(struct wlr_seat *wlr_seat,
uint32_t mods_depressed, uint32_t mods_latched, uint32_t mods_locked,
uint32_t group) {
uint32_t serial = 0;
struct wl_resource *keyboard;
if (wlr_seat_keyboard_has_focus_resource(wlr_seat)) {
serial = wl_display_next_serial(wlr_seat->display);
keyboard = wlr_seat->keyboard_state.focused_handle->keyboard;
wl_keyboard_send_modifiers(keyboard, serial, mods_depressed,
mods_latched, mods_locked, group);
}
if (wlr_seat_pointer_has_focus_resource(wlr_seat) &&
wlr_seat->pointer_state.focused_handle->keyboard &&
wlr_seat->pointer_state.focused_handle !=
wlr_seat->keyboard_state.focused_handle) {
if (serial == 0) {
serial = wl_display_next_serial(wlr_seat->display);
}
keyboard = wlr_seat->pointer_state.focused_handle->keyboard;
wl_keyboard_send_modifiers(keyboard, serial, mods_depressed,
mods_latched, mods_locked, group);
}
}
void wlr_seat_keyboard_set_keymap(struct wlr_seat *wlr_seat, int keymap_fd,
size_t keymap_size) {
// TODO: we probably should wait to send the keymap if keys are pressed
struct wlr_seat_handle *handle;
wl_list_for_each(handle, &wlr_seat->handles, link) {
if (handle->keyboard) {
wl_keyboard_send_keymap(handle->keyboard,
WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1, keymap_fd, keymap_size);
}
}
wlr_seat->keyboard_state.keymap_fd = keymap_fd;
wlr_seat->keyboard_state.keymap_size = keymap_size;
}