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use wlr_keyboard_group to manage all keyboards

This commit is contained in:
David Donahue 2023-12-12 18:04:38 -07:00 committed by Leonardo Hernández Hernández
parent fa660fb61e
commit 023efce6eb
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1 changed files with 71 additions and 74 deletions
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dwl.c
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@ -28,6 +28,7 @@
#include <wlr/types/wlr_idle_notify_v1.h> #include <wlr/types/wlr_idle_notify_v1.h>
#include <wlr/types/wlr_input_device.h> #include <wlr/types/wlr_input_device.h>
#include <wlr/types/wlr_keyboard.h> #include <wlr/types/wlr_keyboard.h>
#include <wlr/types/wlr_keyboard_group.h>
#include <wlr/types/wlr_layer_shell_v1.h> #include <wlr/types/wlr_layer_shell_v1.h>
#include <wlr/types/wlr_linux_dmabuf_v1.h> #include <wlr/types/wlr_linux_dmabuf_v1.h>
#include <wlr/types/wlr_output.h> #include <wlr/types/wlr_output.h>
@ -141,7 +142,7 @@ typedef struct {
typedef struct { typedef struct {
struct wl_list link; struct wl_list link;
struct wlr_keyboard *wlr_keyboard; struct wlr_keyboard_group *wlr_group;
int nsyms; int nsyms;
const xkb_keysym_t *keysyms; /* invalid if nsyms == 0 */ const xkb_keysym_t *keysyms; /* invalid if nsyms == 0 */
@ -150,8 +151,7 @@ typedef struct {
struct wl_listener modifiers; struct wl_listener modifiers;
struct wl_listener key; struct wl_listener key;
struct wl_listener destroy; } KeyboardGroup;
} Keyboard;
typedef struct { typedef struct {
/* Must keep these three elements in this order */ /* Must keep these three elements in this order */
@ -238,7 +238,6 @@ static void buttonpress(struct wl_listener *listener, void *data);
static void chvt(const Arg *arg); static void chvt(const Arg *arg);
static void checkidleinhibitor(struct wlr_surface *exclude); static void checkidleinhibitor(struct wlr_surface *exclude);
static void cleanup(void); static void cleanup(void);
static void cleanupkeyboard(struct wl_listener *listener, void *data);
static void cleanupmon(struct wl_listener *listener, void *data); static void cleanupmon(struct wl_listener *listener, void *data);
static void closemon(Monitor *m); static void closemon(Monitor *m);
static void commitlayersurfacenotify(struct wl_listener *listener, void *data); static void commitlayersurfacenotify(struct wl_listener *listener, void *data);
@ -368,7 +367,7 @@ static struct wlr_session_lock_v1 *cur_lock;
static struct wl_listener lock_listener = {.notify = locksession}; static struct wl_listener lock_listener = {.notify = locksession};
static struct wlr_seat *seat; static struct wlr_seat *seat;
static struct wl_list keyboards; static KeyboardGroup kb_group;
static struct wlr_surface *held_grab; static struct wlr_surface *held_grab;
static unsigned int cursor_mode; static unsigned int cursor_mode;
static Client *grabc; static Client *grabc;
@ -636,25 +635,16 @@ cleanup(void)
} }
wlr_xcursor_manager_destroy(cursor_mgr); wlr_xcursor_manager_destroy(cursor_mgr);
wlr_output_layout_destroy(output_layout); wlr_output_layout_destroy(output_layout);
/* Remove event source that use the dpy event loop before destroying dpy */
wl_event_source_remove(kb_group.key_repeat_source);
wl_display_destroy(dpy); wl_display_destroy(dpy);
/* Destroy after the wayland display (when the monitors are already destroyed) /* Destroy after the wayland display (when the monitors are already destroyed)
to avoid destroying them with an invalid scene output. */ to avoid destroying them with an invalid scene output. */
wlr_scene_node_destroy(&scene->tree.node); wlr_scene_node_destroy(&scene->tree.node);
} }
void
cleanupkeyboard(struct wl_listener *listener, void *data)
{
Keyboard *kb = wl_container_of(listener, kb, destroy);
wl_event_source_remove(kb->key_repeat_source);
wl_list_remove(&kb->link);
wl_list_remove(&kb->modifiers.link);
wl_list_remove(&kb->key.link);
wl_list_remove(&kb->destroy.link);
free(kb);
}
void void
cleanupmon(struct wl_listener *listener, void *data) cleanupmon(struct wl_listener *listener, void *data)
{ {
@ -761,35 +751,12 @@ createidleinhibitor(struct wl_listener *listener, void *data)
void void
createkeyboard(struct wlr_keyboard *keyboard) createkeyboard(struct wlr_keyboard *keyboard)
{ {
struct xkb_context *context; /* Set the keymap to match the group keymap */
struct xkb_keymap *keymap; wlr_keyboard_set_keymap(keyboard, kb_group.wlr_group->keyboard.keymap);
Keyboard *kb = keyboard->data = ecalloc(1, sizeof(*kb));
kb->wlr_keyboard = keyboard;
/* Prepare an XKB keymap and assign it to the keyboard. */
context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
keymap = xkb_keymap_new_from_names(context, &xkb_rules,
XKB_KEYMAP_COMPILE_NO_FLAGS);
if (!keymap)
die("createkeyboard: failed to compile keymap");
wlr_keyboard_set_keymap(keyboard, keymap);
xkb_keymap_unref(keymap);
xkb_context_unref(context);
wlr_keyboard_set_repeat_info(keyboard, repeat_rate, repeat_delay); wlr_keyboard_set_repeat_info(keyboard, repeat_rate, repeat_delay);
/* Here we set up listeners for keyboard events. */ /* Add the new keyboard to the group */
LISTEN(&keyboard->events.modifiers, &kb->modifiers, keypressmod); wlr_keyboard_group_add_keyboard(kb_group.wlr_group, keyboard);
LISTEN(&keyboard->events.key, &kb->key, keypress);
LISTEN(&keyboard->base.events.destroy, &kb->destroy, cleanupkeyboard);
wlr_seat_set_keyboard(seat, keyboard);
kb->key_repeat_source = wl_event_loop_add_timer(
wl_display_get_event_loop(dpy), keyrepeat, kb);
/* And add the keyboard to our list of keyboards */
wl_list_insert(&keyboards, &kb->link);
} }
void void
@ -1353,7 +1320,7 @@ inputdevice(struct wl_listener *listener, void *data)
* there are no pointer devices, so we always include that capability. */ * there are no pointer devices, so we always include that capability. */
/* TODO do we actually require a cursor? */ /* TODO do we actually require a cursor? */
caps = WL_SEAT_CAPABILITY_POINTER; caps = WL_SEAT_CAPABILITY_POINTER;
if (!wl_list_empty(&keyboards)) if (!wl_list_empty(&kb_group.wlr_group->devices))
caps |= WL_SEAT_CAPABILITY_KEYBOARD; caps |= WL_SEAT_CAPABILITY_KEYBOARD;
wlr_seat_set_capabilities(seat, caps); wlr_seat_set_capabilities(seat, caps);
} }
@ -1383,7 +1350,7 @@ keypress(struct wl_listener *listener, void *data)
{ {
int i; int i;
/* This event is raised when a key is pressed or released. */ /* This event is raised when a key is pressed or released. */
Keyboard *kb = wl_container_of(listener, kb, key); KeyboardGroup *group = wl_container_of(listener, group, key);
struct wlr_keyboard_key_event *event = data; struct wlr_keyboard_key_event *event = data;
/* Translate libinput keycode -> xkbcommon */ /* Translate libinput keycode -> xkbcommon */
@ -1391,10 +1358,10 @@ keypress(struct wl_listener *listener, void *data)
/* Get a list of keysyms based on the keymap for this keyboard */ /* Get a list of keysyms based on the keymap for this keyboard */
const xkb_keysym_t *syms; const xkb_keysym_t *syms;
int nsyms = xkb_state_key_get_syms( int nsyms = xkb_state_key_get_syms(
kb->wlr_keyboard->xkb_state, keycode, &syms); group->wlr_group->keyboard.xkb_state, keycode, &syms);
int handled = 0; int handled = 0;
uint32_t mods = wlr_keyboard_get_modifiers(kb->wlr_keyboard); uint32_t mods = wlr_keyboard_get_modifiers(&group->wlr_group->keyboard);
wlr_idle_notifier_v1_notify_activity(idle_notifier, seat); wlr_idle_notifier_v1_notify_activity(idle_notifier, seat);
@ -1404,22 +1371,21 @@ keypress(struct wl_listener *listener, void *data)
for (i = 0; i < nsyms; i++) for (i = 0; i < nsyms; i++)
handled = keybinding(mods, syms[i]) || handled; handled = keybinding(mods, syms[i]) || handled;
if (handled && kb->wlr_keyboard->repeat_info.delay > 0) { if (handled && group->wlr_group->keyboard.repeat_info.delay > 0) {
kb->mods = mods; group->mods = mods;
kb->keysyms = syms; group->keysyms = syms;
kb->nsyms = nsyms; group->nsyms = nsyms;
wl_event_source_timer_update(kb->key_repeat_source, wl_event_source_timer_update(group->key_repeat_source,
kb->wlr_keyboard->repeat_info.delay); group->wlr_group->keyboard.repeat_info.delay);
} else { } else {
kb->nsyms = 0; group->nsyms = 0;
wl_event_source_timer_update(kb->key_repeat_source, 0); wl_event_source_timer_update(group->key_repeat_source, 0);
} }
if (handled) if (handled)
return; return;
/* Pass unhandled keycodes along to the client. */ /* Pass unhandled keycodes along to the client. */
wlr_seat_set_keyboard(seat, kb->wlr_keyboard);
wlr_seat_keyboard_notify_key(seat, event->time_msec, wlr_seat_keyboard_notify_key(seat, event->time_msec,
event->keycode, event->state); event->keycode, event->state);
} }
@ -1429,32 +1395,26 @@ keypressmod(struct wl_listener *listener, void *data)
{ {
/* This event is raised when a modifier key, such as shift or alt, is /* This event is raised when a modifier key, such as shift or alt, is
* pressed. We simply communicate this to the client. */ * pressed. We simply communicate this to the client. */
Keyboard *kb = wl_container_of(listener, kb, modifiers); KeyboardGroup *group = wl_container_of(listener, group, modifiers);
/*
* A seat can only have one keyboard, but this is a limitation of the
* Wayland protocol - not wlroots. We assign all connected keyboards to the
* same seat. You can swap out the underlying wlr_keyboard like this and
* wlr_seat handles this transparently.
*/
wlr_seat_set_keyboard(seat, kb->wlr_keyboard);
/* Send modifiers to the client. */ /* Send modifiers to the client. */
wlr_seat_keyboard_notify_modifiers(seat, wlr_seat_keyboard_notify_modifiers(seat,
&kb->wlr_keyboard->modifiers); &group->wlr_group->keyboard.modifiers);
} }
int int
keyrepeat(void *data) keyrepeat(void *data)
{ {
Keyboard *kb = data; KeyboardGroup *group = data;
int i; int i;
if (!kb->nsyms || kb->wlr_keyboard->repeat_info.rate <= 0) if (!group->nsyms || group->wlr_group->keyboard.repeat_info.rate <= 0)
return 0; return 0;
wl_event_source_timer_update(kb->key_repeat_source, wl_event_source_timer_update(group->key_repeat_source,
1000 / kb->wlr_keyboard->repeat_info.rate); 1000 / group->wlr_group->keyboard.repeat_info.rate);
for (i = 0; i < kb->nsyms; i++) for (i = 0; i < group->nsyms; i++)
keybinding(kb->mods, kb->keysyms[i]); keybinding(group->mods, group->keysyms[i]);
return 0; return 0;
} }
@ -2160,6 +2120,9 @@ setsel(struct wl_listener *listener, void *data)
void void
setup(void) setup(void)
{ {
struct xkb_context *context;
struct xkb_keymap *keymap;
int i, sig[] = {SIGCHLD, SIGINT, SIGTERM, SIGPIPE}; int i, sig[] = {SIGCHLD, SIGINT, SIGTERM, SIGPIPE};
struct sigaction sa = {.sa_flags = SA_RESTART, .sa_handler = handlesig}; struct sigaction sa = {.sa_flags = SA_RESTART, .sa_handler = handlesig};
sigemptyset(&sa.sa_mask); sigemptyset(&sa.sa_mask);
@ -2323,7 +2286,6 @@ setup(void)
* pointer, touch, and drawing tablet device. We also rig up a listener to * pointer, touch, and drawing tablet device. We also rig up a listener to
* let us know when new input devices are available on the backend. * let us know when new input devices are available on the backend.
*/ */
wl_list_init(&keyboards);
LISTEN_STATIC(&backend->events.new_input, inputdevice); LISTEN_STATIC(&backend->events.new_input, inputdevice);
virtual_keyboard_mgr = wlr_virtual_keyboard_manager_v1_create(dpy); virtual_keyboard_mgr = wlr_virtual_keyboard_manager_v1_create(dpy);
LISTEN_STATIC(&virtual_keyboard_mgr->events.new_virtual_keyboard, virtualkeyboard); LISTEN_STATIC(&virtual_keyboard_mgr->events.new_virtual_keyboard, virtualkeyboard);
@ -2334,6 +2296,41 @@ setup(void)
LISTEN_STATIC(&seat->events.request_start_drag, requeststartdrag); LISTEN_STATIC(&seat->events.request_start_drag, requeststartdrag);
LISTEN_STATIC(&seat->events.start_drag, startdrag); LISTEN_STATIC(&seat->events.start_drag, startdrag);
/*
* Configures a keyboard group, which will keep track of all connected
* keyboards, keep their modifier and LED states in sync, and handle
* keypresses
*/
kb_group.wlr_group = wlr_keyboard_group_create();
kb_group.wlr_group->data = &kb_group;
/* Prepare an XKB keymap and assign it to the keyboard group. */
context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
keymap = xkb_keymap_new_from_names(context, &xkb_rules,
XKB_KEYMAP_COMPILE_NO_FLAGS);
if (!keymap)
die("failed to compile keymap");
wlr_keyboard_set_keymap(&kb_group.wlr_group->keyboard, keymap);
xkb_keymap_unref(keymap);
xkb_context_unref(context);
wlr_keyboard_set_repeat_info(&kb_group.wlr_group->keyboard, repeat_rate, repeat_delay);
/* Set up listeners for keyboard events */
LISTEN(&kb_group.wlr_group->keyboard.events.key, &kb_group.key, keypress);
LISTEN(&kb_group.wlr_group->keyboard.events.modifiers, &kb_group.modifiers, keypressmod);
kb_group.key_repeat_source = wl_event_loop_add_timer(
wl_display_get_event_loop(dpy), keyrepeat, &kb_group);
/* A seat can only have one keyboard, but this is a limitation of the
* Wayland protocol - not wlroots. We assign all connected keyboards to the
* same wlr_keyboard_group, which provides a single wlr_keyboard interface for
* all of them. Set this combined wlr_keyboard as the seat keyboard.
*/
wlr_seat_set_keyboard(seat, &kb_group.wlr_group->keyboard);
output_mgr = wlr_output_manager_v1_create(dpy); output_mgr = wlr_output_manager_v1_create(dpy);
LISTEN_STATIC(&output_mgr->events.apply, outputmgrapply); LISTEN_STATIC(&output_mgr->events.apply, outputmgrapply);
LISTEN_STATIC(&output_mgr->events.test, outputmgrtest); LISTEN_STATIC(&output_mgr->events.test, outputmgrtest);