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Code Issues

Set up an XKB context for the keyboard

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This commit is contained in:
Drew DeVault 2018-04-02 23:07:43 -04:00
parent 402e1d90f0
commit 0bd40ce86b
1 changed files with 99 additions and 5 deletions
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104
swaylock/main.c
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@ -8,11 +8,13 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <time.h>
#include <unistd.h>
#include <wayland-client.h>
#include <wlr/util/log.h>
#include <xkbcommon/xkbcommon.h>
#include "background-image.h"
#include "pool-buffer.h"
#include "cairo.h"
@ -25,6 +27,59 @@ struct swaylock_args {
bool show_indicator;
};
enum mod_bit {
MOD_SHIFT = 1<<0,
MOD_CAPS = 1<<1,
MOD_CTRL = 1<<2,
MOD_ALT = 1<<3,
MOD_MOD2 = 1<<4,
MOD_MOD3 = 1<<5,
MOD_LOGO = 1<<6,
MOD_MOD5 = 1<<7,
};
enum mask {
MASK_SHIFT,
MASK_CAPS,
MASK_CTRL,
MASK_ALT,
MASK_MOD2,
MASK_MOD3,
MASK_LOGO,
MASK_MOD5,
MASK_LAST
};
const char *XKB_MASK_NAMES[MASK_LAST] = {
XKB_MOD_NAME_SHIFT,
XKB_MOD_NAME_CAPS,
XKB_MOD_NAME_CTRL,
XKB_MOD_NAME_ALT,
"Mod2",
"Mod3",
XKB_MOD_NAME_LOGO,
"Mod5",
};
const enum mod_bit XKB_MODS[MASK_LAST] = {
MOD_SHIFT,
MOD_CAPS,
MOD_CTRL,
MOD_ALT,
MOD_MOD2,
MOD_MOD3,
MOD_LOGO,
MOD_MOD5
};
struct swaylock_xkb {
uint32_t modifiers;
struct xkb_state *state;
struct xkb_context *context;
struct xkb_keymap *keymap;
xkb_mod_mask_t masks[MASK_LAST];
};
struct swaylock_state {
struct wl_display *display;
struct wl_compositor *compositor;
@ -32,6 +87,7 @@ struct swaylock_state {
struct wl_shm *shm;
struct wl_list contexts;
struct swaylock_args args;
struct swaylock_xkb xkb;
bool run_display;
};
@ -100,7 +156,29 @@ static struct zwlr_layer_surface_v1_listener layer_surface_listener = {
static void keyboard_keymap(void *data, struct wl_keyboard *wl_keyboard,
uint32_t format, int32_t fd, uint32_t size) {
// TODO
struct swaylock_state *state = data;
if (format != WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1) {
close(fd);
wlr_log(L_ERROR, "Unknown keymap format %d, aborting", format);
exit(1);
}
char *map_shm = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0);
if (map_shm == MAP_FAILED) {
close(fd);
wlr_log(L_ERROR, "Unable to initialize keymap shm, aborting");
exit(1);
}
struct xkb_keymap *keymap = xkb_keymap_new_from_string(
state->xkb.context, map_shm, XKB_KEYMAP_FORMAT_TEXT_V1, 0);
munmap(map_shm, size);
close(fd);
assert(keymap);
struct xkb_state *xkb_state = xkb_state_new(keymap);
assert(xkb_state);
xkb_keymap_unref(state->xkb.keymap);
xkb_state_unref(state->xkb.state);
state->xkb.keymap = keymap;
state->xkb.state = xkb_state;
}
static void keyboard_enter(void *data, struct wl_keyboard *wl_keyboard,
@ -114,14 +192,30 @@ static void keyboard_leave(void *data, struct wl_keyboard *wl_keyboard,
}
static void keyboard_key(void *data, struct wl_keyboard *wl_keyboard,
uint32_t serial, uint32_t time, uint32_t key, uint32_t state) {
// TODO
uint32_t serial, uint32_t time, uint32_t key, uint32_t _key_state) {
struct swaylock_state *state = data;
enum wl_keyboard_key_state key_state = _key_state;
xkb_keysym_t sym = xkb_state_key_get_one_sym(state->xkb.state, key + 8);
uint32_t keycode = key_state == WL_KEYBOARD_KEY_STATE_PRESSED ?
key + 8 : 0;
uint32_t codepoint = xkb_state_key_get_utf32(state->xkb.state, keycode);
wlr_log(L_DEBUG, "%c %d", codepoint, sym);
}
static void keyboard_modifiers(void *data, struct wl_keyboard *wl_keyboard,
uint32_t serial, uint32_t mods_depressed, uint32_t mods_latched,
uint32_t mods_locked, uint32_t group) {
// TODO
struct swaylock_state *state = data;
xkb_state_update_mask(state->xkb.state,
mods_depressed, mods_latched, mods_locked, 0, 0, group);
xkb_mod_mask_t mask = xkb_state_serialize_mods(state->xkb.state,
XKB_STATE_MODS_DEPRESSED | XKB_STATE_MODS_LATCHED);
state->xkb.modifiers = 0;
for (uint32_t i = 0; i < MASK_LAST; ++i) {
if (mask & state->xkb.masks[i]) {
state->xkb.modifiers |= XKB_MODS[i];
}
}
}
static void keyboard_repeat_info(void *data, struct wl_keyboard *wl_keyboard,
@ -345,7 +439,7 @@ int main(int argc, char **argv) {
}
wl_list_init(&state.contexts);
state.xkb.context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
assert(state.display = wl_display_connect(NULL));
struct wl_registry *registry = wl_display_get_registry(state.display);