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Begin modifiers support

This commit is contained in:
emersion 2017-10-02 19:23:30 +02:00
parent eb0b315c6c
commit 2fccff16eb
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GPG Key ID: 0FDE7BE0E88F5E48
2 changed files with 73 additions and 9 deletions
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26
include/wlr/types/wlr_keyboard.h
View File

@ -6,13 +6,25 @@
#include <wayland-server.h>
#include <xkbcommon/xkbcommon.h>
enum WLR_KEYBOARD_LED {
enum wlr_keyboard_led {
WLR_LED_NUM_LOCK = 1,
WLR_LED_CAPS_LOCK = 2,
WLR_LED_SCROLL_LOCK = 4,
WLR_LED_LAST
};
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,
WLR_MODIFIER_LAST
};
struct wlr_keyboard_impl;
struct wlr_keyboard {
@ -23,7 +35,15 @@ 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_LAST];
xkb_mod_index_t mod_indexes[WLR_MODIFIER_LAST];
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;
@ -48,6 +68,6 @@ struct wlr_event_keyboard_key {
};
void wlr_keyboard_set_keymap(struct wlr_keyboard *kb,
struct xkb_keymap *keymap);
struct xkb_keymap *keymap);
#endif

56
types/wlr_keyboard.c
View File

@ -13,19 +13,45 @@ 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])) {
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_DEPRESSED);
xkb_mod_mask_t latched = xkb_state_serialize_mods(keyboard->xkb_state,
XKB_STATE_LATCHED);
xkb_mod_mask_t locked = xkb_state_serialize_mods(keyboard->xkb_state,
XKB_STATE_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;
// TODO: wl_keyboard_send_modifiers
}
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);
}
@ -57,21 +83,39 @@ 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_LAST] = {
XKB_LED_NAME_NUM,
XKB_LED_NAME_CAPS,
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_LAST; ++i) {
kb->led_indexes[i] = xkb_map_led_get_index(kb->keymap, led_names[i]);
}
const char *mod_names[WLR_MODIFIER_LAST] = {
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_LED_LAST; ++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);
}