1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
#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>
#include <wlr/backend/multi.h>
#include <wlr/backend/session.h>
#include <wlr/util/log.h>
#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 const char *exec_prefix = "exec ";
static void keyboard_binding_execute(struct roots_keyboard *keyboard,
const char *command) {
struct roots_server *server = keyboard->input->server;
if (strcmp(command, "exit") == 0) {
wl_display_terminate(server->wl_display);
} else if (strncmp(exec_prefix, command, strlen(exec_prefix)) == 0) {
const char *shell_cmd = command + strlen(exec_prefix);
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", shell_cmd, (void *)NULL);
}
} else {
wlr_log(L_ERROR, "unknown binding command: %s", command);
}
}
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);
uint32_t keycode = event->keycode + 8;
const xkb_keysym_t *syms;
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]);
}
}
}
void keyboard_add(struct wlr_input_device *device, struct roots_input *input) {
struct roots_keyboard *keyboard = calloc(sizeof(struct roots_keyboard), 1);
device->data = keyboard;
keyboard->device = device;
keyboard->input = input;
wl_list_init(&keyboard->key.link);
keyboard->key.notify = keyboard_key_notify;
wl_signal_add(&device->keyboard->events.key, &keyboard->key);
wl_list_insert(&input->keyboards, &keyboard->link);
struct xkb_rule_names rules;
memset(&rules, 0, sizeof(rules));
rules.rules = getenv("XKB_DEFAULT_RULES");
rules.model = getenv("XKB_DEFAULT_MODEL");
rules.layout = getenv("XKB_DEFAULT_LAYOUT");
rules.variant = getenv("XKB_DEFAULT_VARIANT");
rules.options = getenv("XKB_DEFAULT_OPTIONS");
struct xkb_context *context;
assert(context = xkb_context_new(XKB_CONTEXT_NO_FLAGS));
wlr_keyboard_set_keymap(device->keyboard, xkb_map_new_from_names(context,
&rules, XKB_KEYMAP_COMPILE_NO_FLAGS));
xkb_context_unref(context);
wlr_seat_attach_keyboard(input->wl_seat, device);
}
void keyboard_remove(struct wlr_input_device *device, struct roots_input *input) {
struct roots_keyboard *keyboard = device->data;
wlr_seat_detach_keyboard(input->wl_seat, device->keyboard);
wl_list_remove(&keyboard->key.link);
wl_list_remove(&keyboard->link);
free(keyboard);
}
|
