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Merge pull request #553 from acrisci/modifier-fixes 

compositor modifier hooks
This commit is contained in:
Drew DeVault 2018-01-17 09:38:58 -05:00 committed by GitHub
parent f2698a8960 b6f29e87e8
commit 1fbd6cb0f0
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GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 142 additions and 72 deletions
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14
include/wlr/types/wlr_keyboard.h
View File

@ -32,6 +32,13 @@ enum wlr_keyboard_modifier {
struct wlr_keyboard_impl;
struct wlr_keyboard_modifiers {
xkb_mod_mask_t depressed;
xkb_mod_mask_t latched;
xkb_mod_mask_t locked;
xkb_mod_mask_t group;
};
struct wlr_keyboard {
struct wlr_keyboard_impl *impl;
// TODO: Should this store key repeat info too?
@ -45,12 +52,7 @@ struct wlr_keyboard {
uint32_t keycodes[WLR_KEYBOARD_KEYS_CAP];
size_t num_keycodes;
struct {
xkb_mod_mask_t depressed;
xkb_mod_mask_t latched;
xkb_mod_mask_t locked;
xkb_mod_mask_t group;
} modifiers;
struct wlr_keyboard_modifiers modifiers;
struct {
int32_t rate;

27
include/wlr/types/wlr_seat.h
View File

@ -68,10 +68,12 @@ struct wlr_seat_keyboard_grab;
struct wlr_keyboard_grab_interface {
void (*enter)(struct wlr_seat_keyboard_grab *grab,
struct wlr_surface *surface);
struct wlr_surface *surface, uint32_t keycodes[],
size_t num_keycodes, struct wlr_keyboard_modifiers *modifiers);
void (*key)(struct wlr_seat_keyboard_grab *grab, uint32_t time,
uint32_t key, uint32_t state);
void (*modifiers)(struct wlr_seat_keyboard_grab *grab);
void (*modifiers)(struct wlr_seat_keyboard_grab *grab,
struct wlr_keyboard_modifiers *modifiers);
void (*cancel)(struct wlr_seat_keyboard_grab *grab);
};
@ -344,6 +346,11 @@ bool wlr_seat_pointer_has_grab(struct wlr_seat *seat);
*/
void wlr_seat_set_keyboard(struct wlr_seat *seat, struct wlr_input_device *dev);
/**
* Get the active keyboard for the seat.
*/
struct wlr_keyboard *wlr_seat_get_keyboard(struct wlr_seat *seat);
/**
* Start a grab of the keyboard of this seat. The grabber is responsible for
* handling all keyboard events until the grab ends.
@ -375,21 +382,24 @@ void wlr_seat_keyboard_notify_key(struct wlr_seat *seat, uint32_t time,
* Send the modifier state to focused keyboard resources. Compositors should use
* `wlr_seat_keyboard_notify_modifiers()` to respect any keyboard grabs.
*/
void wlr_seat_keyboard_send_modifiers(struct wlr_seat *seat);
void wlr_seat_keyboard_send_modifiers(struct wlr_seat *seat,
struct wlr_keyboard_modifiers *modifiers);
/**
* Notify the seat that the modifiers for the keyboard have changed. Defers to
* any keyboard grabs.
*/
void wlr_seat_keyboard_notify_modifiers(struct wlr_seat *seat);
void wlr_seat_keyboard_notify_modifiers(struct wlr_seat *seat,
struct wlr_keyboard_modifiers *modifiers);
/**
* Notify the seat that the keyboard focus has changed and request it to be the
* focused surface for this keyboard. Defers to any current grab of the seat's
* keyboard.
*/
void wlr_seat_keyboard_notify_enter(struct wlr_seat *wlr_seat,
struct wlr_surface *surface);
void wlr_seat_keyboard_notify_enter(struct wlr_seat *seat,
struct wlr_surface *surface, uint32_t keycodes[], size_t num_keycodes,
struct wlr_keyboard_modifiers *modifiers);
/**
* Send a keyboard enter event to the given surface and consider it to be the
@ -398,8 +408,9 @@ void wlr_seat_keyboard_notify_enter(struct wlr_seat *wlr_seat,
* `wlr_seat_keyboard_notify_enter()` to change keyboard focus to respect
* keyboard grabs.
*/
void wlr_seat_keyboard_enter(struct wlr_seat *wlr_seat,
struct wlr_surface *surface);
void wlr_seat_keyboard_enter(struct wlr_seat *seat,
struct wlr_surface *surface, uint32_t keycodes[], size_t num_keycodes,
struct wlr_keyboard_modifiers *modifiers);
/**
* Clear the focused surface for the keyboard and leave all entered surfaces.

3
rootston/keyboard.c
View File

@ -288,7 +288,8 @@ void roots_keyboard_handle_key(struct roots_keyboard *keyboard,
void roots_keyboard_handle_modifiers(struct roots_keyboard *r_keyboard) {
struct wlr_seat *seat = r_keyboard->seat->seat;
wlr_seat_set_keyboard(seat, r_keyboard->device);
wlr_seat_keyboard_notify_modifiers(seat);
wlr_seat_keyboard_notify_modifiers(seat,
&r_keyboard->device->keyboard->modifiers);
}
static void keyboard_config_merge(struct roots_keyboard_config *config,

11
rootston/seat.c
View File

@ -662,7 +662,16 @@ void roots_seat_set_focus(struct roots_seat *seat, struct roots_view *view) {
seat->has_focus = true;
wl_list_remove(&seat_view->link);
wl_list_insert(&seat->views, &seat_view->link);
wlr_seat_keyboard_notify_enter(seat->seat, view->wlr_surface);
struct wlr_keyboard *keyboard = wlr_seat_get_keyboard(seat->seat);
if (keyboard != NULL) {
wlr_seat_keyboard_notify_enter(seat->seat, view->wlr_surface,
keyboard->keycodes, keyboard->num_keycodes,
&keyboard->modifiers);
} else {
wlr_seat_keyboard_notify_enter(seat->seat, view->wlr_surface,
NULL, 0, NULL);
}
}
void roots_seat_cycle_focus(struct roots_seat *seat) {

6
types/wlr_data_device.c
View File

@ -585,7 +585,8 @@ const struct wlr_touch_grab_interface wlr_data_device_touch_drag_interface = {
};
static void keyboard_drag_enter(struct wlr_seat_keyboard_grab *grab,
struct wlr_surface *surface) {
struct wlr_surface *surface, uint32_t keycodes[], size_t num_keycodes,
struct wlr_keyboard_modifiers *modifiers) {
// nothing has keyboard focus during drags
}
@ -594,7 +595,8 @@ static void keyboard_drag_key(struct wlr_seat_keyboard_grab *grab,
// no keyboard input during drags
}
static void keyboard_drag_modifiers(struct wlr_seat_keyboard_grab *grab) {
static void keyboard_drag_modifiers(struct wlr_seat_keyboard_grab *grab,
struct wlr_keyboard_modifiers *modifiers) {
//struct wlr_keyboard *keyboard = grab->seat->keyboard_state.keyboard;
// TODO change the dnd action based on what modifier is pressed on the
// keyboard

69
types/wlr_keyboard.c
View File

@ -11,6 +11,10 @@
int os_create_anonymous_file(off_t size);
static void keyboard_led_update(struct wlr_keyboard *keyboard) {
if (keyboard->xkb_state == NULL) {
return;
}
uint32_t leds = 0;
for (uint32_t i = 0; i < WLR_LED_COUNT; ++i) {
if (xkb_state_led_index_is_active(keyboard->xkb_state,
@ -21,7 +25,15 @@ static void keyboard_led_update(struct wlr_keyboard *keyboard) {
wlr_keyboard_led_update(keyboard, leds);
}
static void keyboard_modifier_update(struct wlr_keyboard *keyboard) {
/**
* Update the modifier state of the wlr-keyboard. Returns true if the modifier
* state changed.
*/
static bool keyboard_modifier_update(struct wlr_keyboard *keyboard) {
if (keyboard->xkb_state == NULL) {
return false;
}
xkb_mod_mask_t depressed = xkb_state_serialize_mods(keyboard->xkb_state,
XKB_STATE_MODS_DEPRESSED);
xkb_mod_mask_t latched = xkb_state_serialize_mods(keyboard->xkb_state,
@ -34,7 +46,7 @@ static void keyboard_modifier_update(struct wlr_keyboard *keyboard) {
latched == keyboard->modifiers.latched &&
locked == keyboard->modifiers.locked &&
group == keyboard->modifiers.group) {
return;
return false;
}
keyboard->modifiers.depressed = depressed;
@ -42,7 +54,7 @@ static void keyboard_modifier_update(struct wlr_keyboard *keyboard) {
keyboard->modifiers.locked = locked;
keyboard->modifiers.group = group;
wl_signal_emit(&keyboard->events.modifiers, keyboard);
return true;
}
// https://www.geeksforgeeks.org/move-zeroes-end-array/
@ -90,17 +102,21 @@ static void keyboard_key_update(struct wlr_keyboard *keyboard,
void wlr_keyboard_notify_modifiers(struct wlr_keyboard *keyboard,
uint32_t mods_depressed, uint32_t mods_latched, uint32_t mods_locked,
uint32_t group) {
if (!keyboard->xkb_state) {
if (keyboard->xkb_state == NULL) {
return;
}
xkb_state_update_mask(keyboard->xkb_state, mods_depressed, mods_latched,
mods_locked, 0, 0, group);
keyboard_modifier_update(keyboard);
bool updated = keyboard_modifier_update(keyboard);
if (updated) {
wl_signal_emit(&keyboard->events.modifiers, keyboard);
}
}
void wlr_keyboard_notify_key(struct wlr_keyboard *keyboard,
struct wlr_event_keyboard_key *event) {
if (!keyboard->xkb_state) {
if (keyboard->xkb_state == NULL) {
return;
}
if (event->update_state) {
@ -109,7 +125,12 @@ void wlr_keyboard_notify_key(struct wlr_keyboard *keyboard,
event->state == WLR_KEY_PRESSED ? XKB_KEY_DOWN : XKB_KEY_UP);
}
keyboard_led_update(keyboard);
keyboard_modifier_update(keyboard);
bool updated = keyboard_modifier_update(keyboard);
if (updated) {
wl_signal_emit(&keyboard->events.modifiers, keyboard);
}
keyboard_key_update(keyboard, event);
wl_signal_emit(&keyboard->events.key, event);
}
@ -150,20 +171,16 @@ void wlr_keyboard_led_update(struct wlr_keyboard *kb, uint32_t leds) {
void wlr_keyboard_set_keymap(struct wlr_keyboard *kb,
struct xkb_keymap *keymap) {
if (kb->keymap) {
xkb_keymap_unref(kb->keymap);
}
xkb_keymap_ref(keymap);
kb->keymap = keymap;
char *keymap_str = NULL;
if (kb->xkb_state) {
xkb_state_unref(kb->xkb_state);
}
xkb_keymap_unref(kb->keymap);
kb->keymap = xkb_keymap_ref(keymap);
xkb_state_unref(kb->xkb_state);
kb->xkb_state = xkb_state_new(kb->keymap);
if (kb->xkb_state == NULL) {
wlr_log(L_ERROR, "Failed to create XKB state");
return;
goto err;
}
const char *led_names[WLR_LED_COUNT] = {
@ -190,7 +207,7 @@ void wlr_keyboard_set_keymap(struct wlr_keyboard *kb,
kb->mod_indexes[i] = xkb_map_mod_get_index(kb->keymap, mod_names[i]);
}
char *keymap_str = xkb_keymap_get_as_string(kb->keymap,
keymap_str = xkb_keymap_get_as_string(kb->keymap,
XKB_KEYMAP_FORMAT_TEXT_V1);
kb->keymap_size = strlen(keymap_str) + 1;
if (kb->keymap_fd) {
@ -199,16 +216,34 @@ void wlr_keyboard_set_keymap(struct wlr_keyboard *kb,
kb->keymap_fd = os_create_anonymous_file(kb->keymap_size);
if (kb->keymap_fd < 0) {
wlr_log(L_ERROR, "creating a keymap file for %lu bytes failed", kb->keymap_size);
goto err;
}
void *ptr = mmap(NULL, kb->keymap_size,
PROT_READ | PROT_WRITE, MAP_SHARED, kb->keymap_fd, 0);
if (ptr == (void*)-1) {
wlr_log(L_ERROR, "failed to mmap() %lu bytes", kb->keymap_size);
goto err;
}
strcpy(ptr, keymap_str);
free(keymap_str);
for (size_t i = 0; i < kb->num_keycodes; ++i) {
xkb_keycode_t keycode = kb->keycodes[i] + 8;
xkb_state_update_key(kb->xkb_state, keycode, XKB_KEY_DOWN);
}
keyboard_modifier_update(kb);
wl_signal_emit(&kb->events.keymap, kb);
return;
err:
xkb_state_unref(kb->xkb_state);
kb->xkb_state = NULL;
xkb_keymap_unref(keymap);
kb->keymap = NULL;
close(kb->keymap_fd);
free(keymap_str);
}
void wlr_keyboard_set_repeat_info(struct wlr_keyboard *kb, int32_t rate,

75
types/wlr_seat.c
View File

@ -282,8 +282,9 @@ static const struct wlr_pointer_grab_interface default_pointer_grab_impl = {
};
static void default_keyboard_enter(struct wlr_seat_keyboard_grab *grab,
struct wlr_surface *surface) {
wlr_seat_keyboard_enter(grab->seat, surface);
struct wlr_surface *surface, uint32_t keycodes[], size_t num_keycodes,
struct wlr_keyboard_modifiers *modifiers) {
wlr_seat_keyboard_enter(grab->seat, surface, keycodes, num_keycodes, modifiers);
}
static void default_keyboard_key(struct wlr_seat_keyboard_grab *grab,
@ -291,8 +292,9 @@ static void default_keyboard_key(struct wlr_seat_keyboard_grab *grab,
wlr_seat_keyboard_send_key(grab->seat, time, key, state);
}
static void default_keyboard_modifiers(struct wlr_seat_keyboard_grab *grab) {
wlr_seat_keyboard_send_modifiers(grab->seat);
static void default_keyboard_modifiers(struct wlr_seat_keyboard_grab *grab,
struct wlr_keyboard_modifiers *modifiers) {
wlr_seat_keyboard_send_modifiers(grab->seat, modifiers);
}
static void default_keyboard_cancel(struct wlr_seat_keyboard_grab *grab) {
@ -773,6 +775,7 @@ void wlr_seat_set_keyboard(struct wlr_seat *seat,
if (keyboard) {
assert(device->type == WLR_INPUT_DEVICE_KEYBOARD);
seat->keyboard_state.keyboard = keyboard;
wl_signal_add(&device->events.destroy,
&seat->keyboard_state.keyboard_destroy);
@ -787,14 +790,18 @@ void wlr_seat_set_keyboard(struct wlr_seat *seat,
struct wlr_seat_client *client;
wl_list_for_each(client, &seat->clients, link) {
seat_client_send_keymap(client, device->keyboard);
seat_client_send_repeat_info(client, device->keyboard);
seat_client_send_keymap(client, keyboard);
seat_client_send_repeat_info(client, keyboard);
}
wlr_seat_keyboard_send_modifiers(seat, &keyboard->modifiers);
} else {
seat->keyboard_state.keyboard = NULL;
}
}
seat->keyboard_state.keyboard = keyboard;
wlr_seat_keyboard_send_modifiers(seat);
struct wlr_keyboard *wlr_seat_get_keyboard(struct wlr_seat *seat) {
return seat->keyboard_state.keyboard;
}
void wlr_seat_keyboard_start_grab(struct wlr_seat *wlr_seat,
@ -835,28 +842,29 @@ static void keyboard_resource_destroy_notify(struct wl_listener *listener,
wlr_seat_keyboard_clear_focus(state->seat);
}
void wlr_seat_keyboard_send_modifiers(struct wlr_seat *seat) {
void wlr_seat_keyboard_send_modifiers(struct wlr_seat *seat,
struct wlr_keyboard_modifiers *modifiers) {
struct wlr_seat_client *client = seat->keyboard_state.focused_client;
if (client == NULL) {
return;
}
struct wlr_keyboard *keyboard = seat->keyboard_state.keyboard;
if (keyboard == NULL) {
return;
}
uint32_t serial = wl_display_next_serial(seat->display);
struct wl_resource *resource;
wl_resource_for_each(resource, &client->keyboards) {
wl_keyboard_send_modifiers(resource, serial,
keyboard->modifiers.depressed, keyboard->modifiers.latched,
keyboard->modifiers.locked, keyboard->modifiers.group);
if (modifiers == NULL) {
wl_keyboard_send_modifiers(resource, serial, 0, 0, 0, 0);
} else {
wl_keyboard_send_modifiers(resource, serial,
modifiers->depressed, modifiers->latched,
modifiers->locked, modifiers->group);
}
}
}
void wlr_seat_keyboard_enter(struct wlr_seat *seat,
struct wlr_surface *surface) {
struct wlr_surface *surface, uint32_t keycodes[], size_t num_keycodes,
struct wlr_keyboard_modifiers *modifiers) {
if (seat->keyboard_state.focused_surface == surface) {
// this surface already got an enter notify
return;
@ -884,19 +892,17 @@ void wlr_seat_keyboard_enter(struct wlr_seat *seat,
}
// enter the current surface
if (client != NULL && seat->keyboard_state.keyboard != NULL) {
struct wlr_keyboard *keyboard = seat->keyboard_state.keyboard;
if (client != NULL) {
struct wl_array keys;
wl_array_init(&keys);
for (size_t i = 0; i < keyboard->num_keycodes; ++i) {
for (size_t i = 0; i < num_keycodes; ++i) {
uint32_t *p = wl_array_add(&keys, sizeof(uint32_t));
if (!p) {
wlr_log(L_ERROR, "Cannot allocate memory, skipping keycode: %d\n",
keyboard->keycodes[i]);
keycodes[i]);
continue;
}
*p = keyboard->keycodes[i];
*p = keycodes[i];
}
uint32_t serial = wl_display_next_serial(seat->display);
struct wl_resource *resource;
@ -928,33 +934,34 @@ void wlr_seat_keyboard_enter(struct wlr_seat *seat,
seat->keyboard_state.focused_client = client;
seat->keyboard_state.focused_surface = surface;
if (client != NULL && seat->keyboard_state.keyboard != NULL) {
if (client != NULL) {
// tell new client about any modifier change last,
// as it targets seat->keyboard_state.focused_client
wlr_seat_keyboard_send_modifiers(seat);
wlr_seat_keyboard_send_modifiers(seat, modifiers);
}
}
void wlr_seat_keyboard_notify_enter(struct wlr_seat *seat, struct
wlr_surface *surface) {
void wlr_seat_keyboard_notify_enter(struct wlr_seat *seat,
struct wlr_surface *surface, uint32_t keycodes[], size_t num_keycodes,
struct wlr_keyboard_modifiers *modifiers) {
struct wlr_seat_keyboard_grab *grab = seat->keyboard_state.grab;
grab->interface->enter(grab, surface);
grab->interface->enter(grab, surface, keycodes, num_keycodes, modifiers);
}
void wlr_seat_keyboard_clear_focus(struct wlr_seat *seat) {
struct wl_array keys;
wl_array_init(&keys);
wlr_seat_keyboard_enter(seat, NULL);
// TODO respect grabs here?
wlr_seat_keyboard_enter(seat, NULL, NULL, 0, NULL);
}
bool wlr_seat_keyboard_has_grab(struct wlr_seat *seat) {
return seat->keyboard_state.grab->interface != &default_keyboard_grab_impl;
}
void wlr_seat_keyboard_notify_modifiers(struct wlr_seat *seat) {
void wlr_seat_keyboard_notify_modifiers(struct wlr_seat *seat,
struct wlr_keyboard_modifiers *modifiers) {
clock_gettime(CLOCK_MONOTONIC, &seat->last_event);
struct wlr_seat_keyboard_grab *grab = seat->keyboard_state.grab;
grab->interface->modifiers(grab);
grab->interface->modifiers(grab, modifiers);
}
void wlr_seat_keyboard_notify_key(struct wlr_seat *seat, uint32_t time,

9
types/wlr_xdg_shell_v6.c
View File

@ -103,7 +103,9 @@ static const struct wlr_pointer_grab_interface xdg_pointer_grab_impl = {
.axis = xdg_pointer_grab_axis,
};
static void xdg_keyboard_grab_enter(struct wlr_seat_keyboard_grab *grab, struct wlr_surface *surface) {
static void xdg_keyboard_grab_enter(struct wlr_seat_keyboard_grab *grab,
struct wlr_surface *surface, uint32_t keycodes[], size_t num_keycodes,
struct wlr_keyboard_modifiers *modifiers) {
// keyboard focus should remain on the popup
}
@ -112,8 +114,9 @@ static void xdg_keyboard_grab_key(struct wlr_seat_keyboard_grab *grab, uint32_t
wlr_seat_keyboard_send_key(grab->seat, time, key, state);
}
static void xdg_keyboard_grab_modifiers(struct wlr_seat_keyboard_grab *grab) {
wlr_seat_keyboard_send_modifiers(grab->seat);
static void xdg_keyboard_grab_modifiers(struct wlr_seat_keyboard_grab *grab,
struct wlr_keyboard_modifiers *modifiers) {
wlr_seat_keyboard_send_modifiers(grab->seat, modifiers);
}
static void xdg_keyboard_grab_cancel(struct wlr_seat_keyboard_grab *grab) {