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Merge pull request #184 from emersion/rootston-keys 

Keyboard modifiers
This commit is contained in:
Drew DeVault 2017-10-03 10:36:16 -04:00 committed by GitHub
parent ddba002d2a eadda29e84
commit 5f3c56de28
10 changed files with 319 additions and 61 deletions
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9
include/rootston/config.h
View File

@ -18,6 +18,14 @@ struct device_config {
struct wl_list link;
};
struct binding_config {
uint32_t modifiers;
xkb_keysym_t *keysyms;
size_t keysyms_len;
char *command;
struct wl_list link;
};
struct roots_config {
// TODO: Multiple cursors, multiseat
struct {
@ -27,6 +35,7 @@ struct roots_config {
struct wl_list outputs;
struct wl_list devices;
struct wl_list bindings;
char *config_path;
};

4
include/rootston/input.h
View File

@ -10,11 +10,15 @@
#include "rootston/view.h"
#include "rootston/server.h"
#define ROOTS_KEYBOARD_PRESSED_KEYSYMS_CAP 32
struct roots_keyboard {
struct roots_input *input;
struct wlr_input_device *device;
struct wl_listener key;
struct wl_list link;
xkb_keysym_t pressed_keysyms[ROOTS_KEYBOARD_PRESSED_KEYSYMS_CAP];
};
struct roots_pointer {

35
include/wlr/types/wlr_keyboard.h
View File

@ -6,11 +6,25 @@
#include <wayland-server.h>
#include <xkbcommon/xkbcommon.h>
enum WLR_KEYBOARD_LED {
#define WLR_LED_COUNT 3
enum wlr_keyboard_led {
WLR_LED_NUM_LOCK = 1,
WLR_LED_CAPS_LOCK = 2,
WLR_LED_SCROLL_LOCK = 4,
WLR_LED_LAST
};
#define WLR_MODIFIER_COUNT 8
enum wlr_keyboard_modifier {
WLR_MODIFIER_SHIFT = 1,
WLR_MODIFIER_CAPS = 2,
WLR_MODIFIER_CTRL = 4,
WLR_MODIFIER_ALT = 8,
WLR_MODIFIER_MOD2 = 16,
WLR_MODIFIER_MOD3 = 32,
WLR_MODIFIER_LOGO = 64,
WLR_MODIFIER_MOD5 = 128,
};
struct wlr_keyboard_impl;
@ -23,18 +37,25 @@ struct wlr_keyboard {
size_t keymap_size;
struct xkb_keymap *keymap;
struct xkb_state *xkb_state;
xkb_led_index_t leds[WLR_LED_LAST];
xkb_led_index_t led_indexes[WLR_LED_COUNT];
xkb_mod_index_t mod_indexes[WLR_MODIFIER_COUNT];
struct {
xkb_mod_mask_t depressed;
xkb_mod_mask_t latched;
xkb_mod_mask_t locked;
xkb_mod_mask_t group;
} modifiers;
struct {
struct wl_signal key;
struct wl_signal modifiers;
struct wl_signal keymap;
} events;
void *data;
};
void wlr_keyboard_led_update(struct wlr_keyboard *keyboard, uint32_t leds);
enum wlr_key_state {
WLR_KEY_RELEASED,
WLR_KEY_PRESSED,
@ -48,6 +69,8 @@ struct wlr_event_keyboard_key {
};
void wlr_keyboard_set_keymap(struct wlr_keyboard *kb,
struct xkb_keymap *keymap);
struct xkb_keymap *keymap);
void wlr_keyboard_led_update(struct wlr_keyboard *keyboard, uint32_t leds);
uint32_t wlr_keyboard_get_modifiers(struct wlr_keyboard *keyboard);
#endif

1
include/wlr/types/wlr_seat.h
View File

@ -37,6 +37,7 @@ struct wlr_seat_keyboard {
struct wlr_seat *seat;
struct wlr_keyboard *keyboard;
struct wl_listener key;
struct wl_listener modifiers;
struct wl_listener keymap;
struct wl_listener destroy;
struct wl_list link;

70
rootston/config.c
View File

@ -171,6 +171,59 @@ static int config_ini_handler(void *user, const char *section, const char *name,
} else {
wlr_log(L_ERROR, "got unknown device config: %s", name);
}
} else if (strcmp(section, "bindings") == 0) {
struct binding_config *bc = calloc(1, sizeof(struct binding_config));
wl_list_insert(&config->bindings, &bc->link);
bc->command = strdup(value);
size_t keysyms_len = 1;
char *symnames = strdup(name);
for (char *c = symnames; *c != '\0'; c++) {
if (*c == '+') {
*c = '\0';
keysyms_len++;
}
}
// TODO: bc->keysyms is larger than needed
bc->keysyms = calloc(1, keysyms_len * sizeof(xkb_keysym_t));
char *symname = symnames;
for (size_t i = 0; i < keysyms_len; i++) {
if (strcmp(symname, "Shift") == 0) {
bc->modifiers |= WLR_MODIFIER_SHIFT;
} else if (strcmp(symname, "Caps") == 0) {
bc->modifiers |= WLR_MODIFIER_CAPS;
} else if (strcmp(symname, "Ctrl") == 0) {
bc->modifiers |= WLR_MODIFIER_CTRL;
} else if (strcmp(symname, "Alt") == 0) {
bc->modifiers |= WLR_MODIFIER_ALT;
} else if (strcmp(symname, "Mod2") == 0) {
bc->modifiers |= WLR_MODIFIER_MOD2;
} else if (strcmp(symname, "Mod3") == 0) {
bc->modifiers |= WLR_MODIFIER_MOD3;
} else if (strcmp(symname, "Logo") == 0) {
bc->modifiers |= WLR_MODIFIER_LOGO;
} else if (strcmp(symname, "Mod5") == 0) {
bc->modifiers |= WLR_MODIFIER_MOD5;
} else {
xkb_keysym_t sym = xkb_keysym_from_name(symname,
XKB_KEYSYM_NO_FLAGS);
if (sym == XKB_KEY_NoSymbol) {
wlr_log(L_ERROR, "got unknown key binding symbol: %s",
symname);
wl_list_remove(&bc->link);
free(bc->keysyms);
free(bc);
break;
}
bc->keysyms[bc->keysyms_len] = sym;
bc->keysyms_len++;
}
symname += strlen(symname) + 1;
}
free(symnames);
} else {
wlr_log(L_ERROR, "got unknown config section: %s", section);
}
@ -182,6 +235,7 @@ struct roots_config *parse_args(int argc, char *argv[]) {
struct roots_config *config = calloc(1, sizeof(struct roots_config));
wl_list_init(&config->outputs);
wl_list_init(&config->devices);
wl_list_init(&config->bindings);
int c;
while ((c = getopt(argc, argv, "C:h")) != -1) {
@ -212,6 +266,15 @@ struct roots_config *parse_args(int argc, char *argv[]) {
if (result == -1) {
wlr_log(L_DEBUG, "No config file found. Using empty config.");
struct binding_config *bc = calloc(1, sizeof(struct binding_config));
wl_list_insert(&config->bindings, &bc->link);
bc->command = strdup("exit");
bc->modifiers = WLR_MODIFIER_LOGO;
bc->keysyms_len = 2;
bc->keysyms = calloc(1, bc->keysyms_len * sizeof(xkb_keysym_t));
bc->keysyms[0] = XKB_KEY_Meta_L;
bc->keysyms[1] = XKB_KEY_q;
} else if (result == -2) {
wlr_log(L_ERROR, "Could not allocate memory to parse config file");
exit(1);
@ -238,6 +301,13 @@ void roots_config_destroy(struct roots_config *config) {
free(dc);
}
struct binding_config *bc, *btmp = NULL;
wl_list_for_each_safe(bc, btmp, &config->bindings, link) {
free(bc->keysyms);
free(bc->command);
free(bc);
}
free(config->config_path);
free(config->cursor.mapped_output);
free(config->cursor.mapped_box);

109
rootston/keyboard.c
View File

@ -1,6 +1,7 @@
#include <assert.h>
#include <stdint.h>
#include <stdlib.h>
#include <unistd.h>
#include <wayland-server.h>
#include <wlr/types/wlr_input_device.h>
#include <wlr/types/wlr_pointer.h>
@ -10,32 +11,100 @@
#include <xkbcommon/xkbcommon.h>
#include "rootston/input.h"
static ssize_t keyboard_pressed_keysym_index(struct roots_keyboard *keyboard,
xkb_keysym_t keysym) {
for (size_t i = 0; i < ROOTS_KEYBOARD_PRESSED_KEYSYMS_CAP; i++) {
if (keyboard->pressed_keysyms[i] == keysym) {
return i;
}
}
return -1;
}
static void keyboard_binding_execute(struct roots_keyboard *keyboard,
char *command) {
struct roots_server *server = keyboard->input->server;
if (strcmp(command, "exit") == 0) {
wl_display_terminate(server->wl_display);
} else {
pid_t pid = fork();
if (pid < 0) {
wlr_log(L_ERROR, "cannot execute binding command: fork() failed");
return;
} else if (pid == 0) {
execl("/bin/sh", "/bin/sh", "-c", command, (void *)NULL);
}
}
}
static void keyboard_keysym_press(struct roots_keyboard *keyboard,
xkb_keysym_t keysym) {
ssize_t i = keyboard_pressed_keysym_index(keyboard, keysym);
if (i < 0) {
i = keyboard_pressed_keysym_index(keyboard, XKB_KEY_NoSymbol);
if (i >= 0) {
keyboard->pressed_keysyms[i] = keysym;
}
}
if (keysym >= XKB_KEY_XF86Switch_VT_1 &&
keysym <= XKB_KEY_XF86Switch_VT_12) {
struct roots_server *server = keyboard->input->server;
if (wlr_backend_is_multi(server->backend)) {
struct wlr_session *session =
wlr_multi_get_session(server->backend);
if (session) {
unsigned vt = keysym - XKB_KEY_XF86Switch_VT_1 + 1;
wlr_session_change_vt(session, vt);
}
}
return;
}
uint32_t modifiers = wlr_keyboard_get_modifiers(keyboard->device->keyboard);
struct wl_list *bindings = &keyboard->input->server->config->bindings;
struct binding_config *bc;
wl_list_for_each(bc, bindings, link) {
if (modifiers ^ bc->modifiers) {
continue;
}
bool ok = true;
for (size_t i = 0; i < bc->keysyms_len; i++) {
ssize_t j = keyboard_pressed_keysym_index(keyboard, bc->keysyms[i]);
if (j < 0) {
ok = false;
break;
}
}
if (ok) {
keyboard_binding_execute(keyboard, bc->command);
}
}
}
static void keyboard_keysym_release(struct roots_keyboard *keyboard,
xkb_keysym_t keysym) {
ssize_t i = keyboard_pressed_keysym_index(keyboard, keysym);
if (i >= 0) {
keyboard->pressed_keysyms[i] = XKB_KEY_NoSymbol;
}
}
static void keyboard_key_notify(struct wl_listener *listener, void *data) {
struct wlr_event_keyboard_key *event = data;
struct roots_keyboard *keyboard = wl_container_of(listener, keyboard, key);
struct roots_input *input = keyboard->input;
struct roots_server *server = input->server;
enum wlr_key_state key_state = event->state;
uint32_t keycode = event->keycode + 8;
const xkb_keysym_t *syms;
int nsyms = xkb_state_key_get_syms(keyboard->device->keyboard->xkb_state,
keycode, &syms);
for (int i = 0; i < nsyms; ++i) {
xkb_keysym_t sym = syms[i];
if (sym == XKB_KEY_Escape) {
// TEMPORARY, probably
wl_display_terminate(server->wl_display);
} else if (key_state == WLR_KEY_PRESSED &&
sym >= XKB_KEY_XF86Switch_VT_1 &&
sym <= XKB_KEY_XF86Switch_VT_12) {
if (wlr_backend_is_multi(server->backend)) {
struct wlr_session *session =
wlr_multi_get_session(server->backend);
if (session) {
wlr_session_change_vt(session, sym - XKB_KEY_XF86Switch_VT_1 + 1);
}
}
int syms_len = xkb_state_key_get_syms(keyboard->device->keyboard->xkb_state,
keycode, &syms);
for (int i = 0; i < syms_len; i++) {
if (event->state == WLR_KEY_PRESSED) {
keyboard_keysym_press(keyboard, syms[i]);
} else { // WLR_KEY_RELEASED
keyboard_keysym_release(keyboard, syms[i]);
}
}
}

1
rootston/main.c
View File

@ -41,6 +41,7 @@ int main(int argc, char **argv) {
return 1;
}
setenv("WAYLAND_DISPLAY", socket, true);
wl_display_run(server.wl_display);
return 0;
}

6
rootston/rootston.ini.example
View File

@ -24,3 +24,9 @@ geometry = 2500x800
map-to-output = VGA-1
# Restrict cursor movements for this mouse to concrete rectangle
geometry = 2500x800
# Keybindings
# Maps key combinations with commands to execute
# The special command "exit" stops the compositor
[bindings]
Logo+q=exit

73
types/wlr_keyboard.c
View File

@ -12,20 +12,46 @@ int os_create_anonymous_file(off_t size);
static void keyboard_led_update(struct wlr_keyboard *keyboard) {
uint32_t leds = 0;
for (uint32_t i = 0; i < WLR_LED_LAST; ++i) {
if (xkb_state_led_index_is_active(keyboard->xkb_state, keyboard->leds[i])) {
for (uint32_t i = 0; i < WLR_LED_COUNT; ++i) {
if (xkb_state_led_index_is_active(keyboard->xkb_state,
keyboard->led_indexes[i])) {
leds |= (1 << i);
}
}
wlr_keyboard_led_update(keyboard, leds);
}
static void keyboard_modifier_update(struct wlr_keyboard *keyboard) {
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,
XKB_STATE_MODS_LATCHED);
xkb_mod_mask_t locked = xkb_state_serialize_mods(keyboard->xkb_state,
XKB_STATE_MODS_LOCKED);
xkb_mod_mask_t group = xkb_state_serialize_layout(keyboard->xkb_state,
XKB_STATE_LAYOUT_EFFECTIVE);
if (depressed == keyboard->modifiers.depressed &&
latched == keyboard->modifiers.latched &&
locked == keyboard->modifiers.locked &&
group == keyboard->modifiers.group) {
return;
}
keyboard->modifiers.depressed = depressed;
keyboard->modifiers.latched = latched;
keyboard->modifiers.locked = locked;
keyboard->modifiers.group = group;
wl_signal_emit(&keyboard->events.modifiers, keyboard);
}
void wlr_keyboard_update_state(struct wlr_keyboard *keyboard,
struct wlr_event_keyboard_key *event) {
uint32_t keycode = event->keycode + 8;
xkb_state_update_key(keyboard->xkb_state, keycode,
event->state == WLR_KEY_PRESSED ? XKB_KEY_DOWN : XKB_KEY_UP);
event->state == WLR_KEY_PRESSED ? XKB_KEY_DOWN : XKB_KEY_UP);
keyboard_led_update(keyboard);
keyboard_modifier_update(keyboard);
wl_signal_emit(&keyboard->events.key, event);
}
@ -33,6 +59,7 @@ void wlr_keyboard_init(struct wlr_keyboard *kb,
struct wlr_keyboard_impl *impl) {
kb->impl = impl;
wl_signal_init(&kb->events.key);
wl_signal_init(&kb->events.modifiers);
wl_signal_init(&kb->events.keymap);
}
@ -59,21 +86,51 @@ void wlr_keyboard_set_keymap(struct wlr_keyboard *kb,
wlr_log(L_DEBUG, "Keymap set");
kb->keymap = keymap;
assert(kb->xkb_state = xkb_state_new(kb->keymap));
const char *led_names[3] = {
const char *led_names[WLR_LED_COUNT] = {
XKB_LED_NAME_NUM,
XKB_LED_NAME_CAPS,
XKB_LED_NAME_SCROLL
XKB_LED_NAME_SCROLL,
};
for (uint32_t i = 0; i < 3; ++i) {
kb->leds[i] = xkb_map_led_get_index(kb->keymap, led_names[i]);
for (size_t i = 0; i < WLR_LED_COUNT; ++i) {
kb->led_indexes[i] = xkb_map_led_get_index(kb->keymap, led_names[i]);
}
const char *mod_names[WLR_MODIFIER_COUNT] = {
XKB_MOD_NAME_SHIFT,
XKB_MOD_NAME_CAPS,
XKB_MOD_NAME_CTRL, // "Control"
XKB_MOD_NAME_ALT, // "Mod1"
XKB_MOD_NAME_NUM, // "Mod2"
"Mod3",
XKB_MOD_NAME_LOGO, // "Mod4"
"Mod5",
};
// TODO: there's also "Ctrl", "Alt"?
for (size_t i = 0; i < WLR_MODIFIER_COUNT; ++i) {
kb->mod_indexes[i] = xkb_map_mod_get_index(kb->keymap, mod_names[i]);
}
char *keymap_str = xkb_keymap_get_as_string(kb->keymap,
XKB_KEYMAP_FORMAT_TEXT_V1);
kb->keymap_size = strlen(keymap_str) + 1;
kb->keymap_fd = os_create_anonymous_file(kb->keymap_size);
void *ptr = mmap(NULL, kb->keymap_size,
PROT_READ | PROT_WRITE, MAP_SHARED, kb->keymap_fd, 0);
PROT_READ | PROT_WRITE, MAP_SHARED, kb->keymap_fd, 0);
strcpy(ptr, keymap_str);
free(keymap_str);
wl_signal_emit(&kb->events.keymap, kb);
}
uint32_t wlr_keyboard_get_modifiers(struct wlr_keyboard *kb) {
xkb_mod_mask_t mask = kb->modifiers.depressed | kb->modifiers.latched;
uint32_t modifiers = 0;
for (size_t i = 0; i < WLR_MODIFIER_COUNT; ++i) {
if (kb->mod_indexes[i] != XKB_MOD_INVALID &&
(mask & (1 << kb->mod_indexes[i]))) {
modifiers |= (1 << i);
}
}
return modifiers;
}

72
types/wlr_seat.c
View File

@ -376,47 +376,61 @@ void wlr_seat_pointer_send_axis(struct wlr_seat *wlr_seat, uint32_t time,
wl_pointer_send_frame(pointer);
}
static void keyboard_switch_seat_keyboard(struct wlr_seat_handle *handle,
struct wlr_seat_keyboard *seat_kb) {
if (handle->seat_keyboard == seat_kb) {
return;
}
// TODO: We should probably lift all of the keys set by the other
// keyboard
wl_keyboard_send_keymap(handle->keyboard,
WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1, seat_kb->keyboard->keymap_fd,
seat_kb->keyboard->keymap_size);
if (wl_resource_get_version(handle->keyboard) >= 2) {
// TODO: Make this better
wl_keyboard_send_repeat_info(handle->keyboard, 25, 600);
}
handle->seat_keyboard = seat_kb;
}
static void keyboard_key_notify(struct wl_listener *listener, void *data) {
struct wlr_seat_keyboard *seat_kb = wl_container_of(
listener, seat_kb, key);
struct wlr_seat_keyboard *seat_kb = wl_container_of(listener, seat_kb, key);
struct wlr_seat *seat = seat_kb->seat;
struct wlr_seat_handle *handle = seat->keyboard_state.focused_handle;
if (!handle || !handle->keyboard) {
return;
}
struct wlr_keyboard *keyboard = seat_kb->keyboard;
keyboard_switch_seat_keyboard(handle, seat_kb);
struct wlr_event_keyboard_key *event = data;
enum wlr_key_state key_state = event->state;
if (handle->seat_keyboard != seat_kb) {
// TODO: We should probably lift all of the keys set by the other
// keyboard
wl_keyboard_send_keymap(handle->keyboard,
WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1,
seat_kb->keyboard->keymap_fd,
seat_kb->keyboard->keymap_size);
if (wl_resource_get_version(handle->keyboard) >= 2) {
// TODO: Make this better
wl_keyboard_send_repeat_info(handle->keyboard, 25, 600);
}
handle->seat_keyboard = seat_kb;
uint32_t key_serial = wl_display_next_serial(seat->display);
wl_keyboard_send_key(handle->keyboard, key_serial,
(uint32_t)event->time_usec, event->keycode, key_state);
}
static void keyboard_modifiers_notify(struct wl_listener *listener,
void *data) {
struct wlr_seat_keyboard *seat_kb = wl_container_of(listener, seat_kb,
modifiers);
struct wlr_seat *seat = seat_kb->seat;
struct wlr_seat_handle *handle = seat->keyboard_state.focused_handle;
if (!handle || !handle->keyboard) {
return;
}
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);
keyboard_switch_seat_keyboard(handle, seat_kb);
struct wlr_keyboard *keyboard = seat_kb->keyboard;
uint32_t modifiers_serial = wl_display_next_serial(seat->display);
uint32_t key_serial = wl_display_next_serial(seat->display);
wl_keyboard_send_modifiers(handle->keyboard, modifiers_serial,
depressed, latched, locked, group);
wl_keyboard_send_key(handle->keyboard, key_serial,
(uint32_t)event->time_usec, event->keycode, key_state);
keyboard->modifiers.depressed, keyboard->modifiers.latched,
keyboard->modifiers.locked, keyboard->modifiers.group);
}
static void keyboard_keymap_notify(struct wl_listener *listener, void *data) {
@ -442,6 +456,9 @@ void wlr_seat_attach_keyboard(struct wlr_seat *seat,
wl_list_init(&seat_kb->key.link);
seat_kb->key.notify = keyboard_key_notify;
wl_signal_add(&kb->events.key, &seat_kb->key);
wl_list_init(&seat_kb->modifiers.link);
seat_kb->modifiers.notify = keyboard_modifiers_notify;
wl_signal_add(&kb->events.modifiers, &seat_kb->modifiers);
wl_list_init(&seat_kb->keymap.link);
seat_kb->keymap.notify = keyboard_keymap_notify;
wl_signal_add(&kb->events.keymap, &seat_kb->keymap);
@ -458,6 +475,7 @@ void wlr_seat_detach_keyboard(struct wlr_seat *seat, struct wlr_keyboard *kb) {
if (seat_kb->keyboard == kb) {
wl_list_remove(&seat_kb->link);
wl_list_remove(&seat_kb->key.link);
wl_list_remove(&seat_kb->modifiers.link);
wl_list_remove(&seat_kb->keymap.link);
wl_list_remove(&seat_kb->destroy.link);
free(seat_kb);