what can I say

This commit is contained in:
Amos Bird 2019-12-04 14:09:29 +08:00
parent 067c8c0a2a
commit 6262889876
No known key found for this signature in database
GPG key ID: 80D430DCBECFEDB4
2 changed files with 424 additions and 435 deletions

View file

@ -4,7 +4,7 @@ MANDIR?=/man/man1
TARGET := xcape
CFLAGS += -Wall
CFLAGS += -Wall -g -O0
CFLAGS += `pkg-config --cflags xtst x11`
LDFLAGS += `pkg-config --libs xtst x11`
LDFLAGS += -pthread

857
xcape.c
View file

@ -38,528 +38,517 @@
* Internal data types
***********************************************************************/
typedef struct _Key_t {
KeyCode key;
struct _Key_t *next;
KeyCode key;
struct _Key_t* next;
} Key_t;
typedef struct _KeyMap_t {
Bool UseKeyCode; /* (for from) instead of KeySym; ignore latter */
KeySym from_ks;
KeyCode from_kc;
Bool UseModifier;
Bool UseModifierCode;
KeySym modifier;
KeyCode modifier_code;
Key_t *to_keys;
Bool used;
Bool pressed;
Bool mouse;
struct timeval down_at;
struct _KeyMap_t *next;
Bool UseKeyCode; /* (for from) instead of KeySym; ignore latter */
KeySym from_ks;
KeyCode from_kc;
Bool UseModifier;
Bool UseModifierCode;
KeySym modifier;
KeyCode modifier_code;
Key_t* to_keys;
Bool used;
Bool pressed;
Bool mouse;
struct timeval down_at;
struct _KeyMap_t* next;
} KeyMap_t;
typedef struct _XCape_t {
Display *data_conn;
Display *ctrl_conn;
XRecordContext record_ctx;
pthread_t sigwait_thread;
sigset_t sigset;
Bool debug;
KeyMap_t *map;
Key_t *generated;
struct timeval timeout;
Display* data_conn;
Display* ctrl_conn;
XRecordContext record_ctx;
pthread_t sigwait_thread;
sigset_t sigset;
Bool debug;
KeyMap_t* map;
Key_t* generated;
struct timeval timeout;
} XCape_t;
/************************************************************************
* Internal function declarations
***********************************************************************/
void *sig_handler(void *user_data);
void* sig_handler(void* user_data);
void intercept(XPointer user_data, XRecordInterceptData *data);
void intercept(XPointer user_data, XRecordInterceptData* data);
KeyMap_t *parse_mapping(Display *ctrl_conn, char *mapping, Bool debug);
KeyMap_t* parse_mapping(Display* ctrl_conn, char* mapping, Bool debug);
void delete_mapping(KeyMap_t *map);
void delete_mapping(KeyMap_t* map);
Key_t *key_add_key(Key_t *keys, KeyCode key);
Key_t* key_add_key(Key_t* keys, KeyCode key);
void delete_keys(Key_t *keys);
void delete_keys(Key_t* keys);
void print_usage(const char *program_name);
void print_usage(const char* program_name);
/************************************************************************
* Main function
***********************************************************************/
int main(int argc, char **argv) {
XCape_t *self = malloc(sizeof(XCape_t));
int main(int argc, char** argv) {
XCape_t* self = malloc(sizeof(XCape_t));
int dummy, ch;
int dummy, ch;
static char default_mapping[] = "Control_L=Escape";
char *mapping = default_mapping;
static char default_mapping[] = "#37=Escape;#62=Return;#108=Shift_L|Insert;#100=BackSpace";
char* mapping = default_mapping;
XRecordRange *rec_range = XRecordAllocRange();
XRecordClientSpec client_spec = XRecordAllClients;
XRecordRange* rec_range = XRecordAllocRange();
XRecordClientSpec client_spec = XRecordAllClients;
self->debug = False;
self->timeout.tv_sec = 0;
self->timeout.tv_usec = 500000;
self->generated = NULL;
self->debug = False;
self->timeout.tv_sec = 0;
self->timeout.tv_usec = 500000;
self->generated = NULL;
rec_range->device_events.first = KeyPress;
rec_range->device_events.last = ButtonRelease;
rec_range->device_events.first = KeyPress;
rec_range->device_events.last = ButtonRelease;
while ((ch = getopt(argc, argv, "de:t:")) != -1) {
switch (ch) {
case 'd':
self->debug = True;
break;
case 'e':
mapping = optarg;
break;
case 't': {
int ms = atoi(optarg);
if (ms > 0) {
self->timeout.tv_sec = ms / 1000;
self->timeout.tv_usec = (ms % 1000) * 1000;
} else {
fprintf(stderr, "Invalid argument for '-t': %s.\n", optarg);
print_usage(argv[0]);
return EXIT_FAILURE;
}
} break;
default:
print_usage(argv[0]);
return EXIT_SUCCESS;
while ((ch = getopt(argc, argv, "de:t:")) != -1) {
switch (ch) {
case 'd':
self->debug = True;
break;
case 'e':
mapping = optarg;
break;
case 't': {
int ms = atoi(optarg);
if (ms > 0) {
self->timeout.tv_sec = ms / 1000;
self->timeout.tv_usec = (ms % 1000) * 1000;
} else {
fprintf(stderr, "Invalid argument for '-t': %s.\n", optarg);
print_usage(argv[0]);
return EXIT_FAILURE;
}
} break;
default:
print_usage(argv[0]);
return EXIT_SUCCESS;
}
}
}
if (optind < argc) {
fprintf(stderr, "Not a command line option: '%s'\n", argv[optind]);
print_usage(argv[0]);
if (optind < argc) {
fprintf(stderr, "Not a command line option: '%s'\n", argv[optind]);
print_usage(argv[0]);
return EXIT_SUCCESS;
}
if (!XInitThreads()) {
fprintf(stderr, "Failed to initialize threads.\n");
exit(EXIT_FAILURE);
}
self->data_conn = XOpenDisplay(NULL);
self->ctrl_conn = XOpenDisplay(NULL);
if (!self->data_conn || !self->ctrl_conn) {
fprintf(stderr, "Unable to connect to X11 display. Is $DISPLAY set?\n");
exit(EXIT_FAILURE);
}
if (!XQueryExtension(self->ctrl_conn, "XTEST", &dummy, &dummy, &dummy)) {
fprintf(stderr, "Xtst extension missing\n");
exit(EXIT_FAILURE);
}
if (!XRecordQueryVersion(self->ctrl_conn, &dummy, &dummy)) {
fprintf(stderr, "Failed to obtain xrecord version\n");
exit(EXIT_FAILURE);
}
if (!XkbQueryExtension(self->ctrl_conn, &dummy, &dummy, &dummy, &dummy, &dummy)) {
fprintf(stderr, "Failed to obtain xkb version\n");
exit(EXIT_FAILURE);
}
self->map = parse_mapping(self->ctrl_conn, mapping, self->debug);
if (self->map == NULL) {
fprintf(stderr, "Failed to parse_mapping\n");
exit(EXIT_FAILURE);
}
if (self->debug != True)
daemon(0, 0);
/* self->debug = False; */
sigemptyset(&self->sigset);
sigaddset(&self->sigset, SIGINT);
sigaddset(&self->sigset, SIGTERM);
pthread_sigmask(SIG_BLOCK, &self->sigset, NULL);
pthread_create(&self->sigwait_thread, NULL, sig_handler, self);
self->record_ctx = XRecordCreateContext(self->ctrl_conn, 0, &client_spec, 1, &rec_range, 1);
if (self->record_ctx == 0) {
fprintf(stderr, "Failed to create xrecord context\n");
exit(EXIT_FAILURE);
}
XSync(self->ctrl_conn, False);
if (!XRecordEnableContext(self->data_conn, self->record_ctx, intercept, (XPointer)self)) {
fprintf(stderr, "Failed to enable xrecord context\n");
exit(EXIT_FAILURE);
}
pthread_join(self->sigwait_thread, NULL);
if (!XRecordFreeContext(self->ctrl_conn, self->record_ctx)) {
fprintf(stderr, "Failed to free xrecord context\n");
}
if (self->debug)
fprintf(stdout, "main exiting\n");
XFree(rec_range);
XCloseDisplay(self->ctrl_conn);
XCloseDisplay(self->data_conn);
delete_mapping(self->map);
free(self);
return EXIT_SUCCESS;
}
if (!XInitThreads()) {
fprintf(stderr, "Failed to initialize threads.\n");
exit(EXIT_FAILURE);
}
self->data_conn = XOpenDisplay(NULL);
self->ctrl_conn = XOpenDisplay(NULL);
if (!self->data_conn || !self->ctrl_conn) {
fprintf(stderr, "Unable to connect to X11 display. Is $DISPLAY set?\n");
exit(EXIT_FAILURE);
}
if (!XQueryExtension(self->ctrl_conn, "XTEST", &dummy, &dummy, &dummy)) {
fprintf(stderr, "Xtst extension missing\n");
exit(EXIT_FAILURE);
}
if (!XRecordQueryVersion(self->ctrl_conn, &dummy, &dummy)) {
fprintf(stderr, "Failed to obtain xrecord version\n");
exit(EXIT_FAILURE);
}
if (!XkbQueryExtension(self->ctrl_conn, &dummy, &dummy, &dummy, &dummy,
&dummy)) {
fprintf(stderr, "Failed to obtain xkb version\n");
exit(EXIT_FAILURE);
}
self->map = parse_mapping(self->ctrl_conn, mapping, self->debug);
if (self->map == NULL) {
fprintf(stderr, "Failed to parse_mapping\n");
exit(EXIT_FAILURE);
}
if (self->debug != True)
daemon(0, 0);
self->debug = False;
sigemptyset(&self->sigset);
sigaddset(&self->sigset, SIGINT);
sigaddset(&self->sigset, SIGTERM);
pthread_sigmask(SIG_BLOCK, &self->sigset, NULL);
pthread_create(&self->sigwait_thread, NULL, sig_handler, self);
self->record_ctx =
XRecordCreateContext(self->ctrl_conn, 0, &client_spec, 1, &rec_range, 1);
if (self->record_ctx == 0) {
fprintf(stderr, "Failed to create xrecord context\n");
exit(EXIT_FAILURE);
}
XSync(self->ctrl_conn, False);
if (!XRecordEnableContext(self->data_conn, self->record_ctx, intercept,
(XPointer)self)) {
fprintf(stderr, "Failed to enable xrecord context\n");
exit(EXIT_FAILURE);
}
pthread_join(self->sigwait_thread, NULL);
if (!XRecordFreeContext(self->ctrl_conn, self->record_ctx)) {
fprintf(stderr, "Failed to free xrecord context\n");
}
if (self->debug)
fprintf(stdout, "main exiting\n");
XFree(rec_range);
XCloseDisplay(self->ctrl_conn);
XCloseDisplay(self->data_conn);
delete_mapping(self->map);
free(self);
return EXIT_SUCCESS;
}
/************************************************************************
* Internal functions
***********************************************************************/
void *sig_handler(void *user_data) {
XCape_t *self = (XCape_t *)user_data;
int sig;
void* sig_handler(void* user_data) {
XCape_t* self = (XCape_t*)user_data;
int sig;
if (self->debug)
fprintf(stdout, "sig_handler running...\n");
if (self->debug)
fprintf(stdout, "sig_handler running...\n");
sigwait(&self->sigset, &sig);
sigwait(&self->sigset, &sig);
if (self->debug)
fprintf(stdout, "Caught signal %d!\n", sig);
if (self->debug)
fprintf(stdout, "Caught signal %d!\n", sig);
XLockDisplay(self->ctrl_conn);
XLockDisplay(self->ctrl_conn);
if (!XRecordDisableContext(self->ctrl_conn, self->record_ctx)) {
fprintf(stderr, "Failed to disable xrecord context\n");
exit(EXIT_FAILURE);
}
if (!XRecordDisableContext(self->ctrl_conn, self->record_ctx)) {
fprintf(stderr, "Failed to disable xrecord context\n");
exit(EXIT_FAILURE);
}
XSync(self->ctrl_conn, False);
XSync(self->ctrl_conn, False);
XUnlockDisplay(self->ctrl_conn);
XUnlockDisplay(self->ctrl_conn);
if (self->debug)
fprintf(stdout, "sig_handler exiting...\n");
if (self->debug)
fprintf(stdout, "sig_handler exiting...\n");
return NULL;
return NULL;
}
Key_t *key_add_key(Key_t *keys, KeyCode key) {
Key_t *rval = keys;
Key_t* key_add_key(Key_t* keys, KeyCode key) {
Key_t* rval = keys;
if (keys == NULL) {
keys = malloc(sizeof(Key_t));
rval = keys;
} else {
while (keys->next != NULL)
keys = keys->next;
keys = (keys->next = malloc(sizeof(Key_t)));
}
if (keys == NULL) {
keys = malloc(sizeof(Key_t));
rval = keys;
} else {
while (keys->next != NULL)
keys = keys->next;
keys = (keys->next = malloc(sizeof(Key_t)));
}
keys->key = key;
keys->next = NULL;
keys->key = key;
keys->next = NULL;
return rval;
return rval;
}
void handle_key(XCape_t *self, KeyMap_t *key, Bool mouse_pressed,
int key_event) {
Key_t *k;
void handle_key(XCape_t* self, KeyMap_t* key, Bool mouse_pressed, int key_event) {
Key_t* k;
if (key_event == KeyPress) {
if (self->debug)
fprintf(stdout, "Key pressed!\n");
if (key_event == KeyPress) {
if (self->debug)
fprintf(stdout, "Key pressed!\n");
char buf[32], *keys = buf;
XQueryKeymap(self->ctrl_conn, keys);
// lshift and rshift
if ((BIT(keys, 50) || BIT(keys, 62)) && key->from_kc == 100)
{
XTestFakeKeyEvent(self->ctrl_conn, 22, True, 0);
/* XTestFakeKeyEvent(self->ctrl_conn, 22, False, 0); */
self->generated = key_add_key(self->generated, 22);
XFlush(self->ctrl_conn);
key->pressed = True;
key->used = True;
key->mouse = True;
return;
}
key->pressed = True;
gettimeofday(&key->down_at, NULL);
if (mouse_pressed) {
key->used = True;
}
} else {
if (self->debug)
fprintf(stdout, "Key released!\n");
if (key->mouse)
{
XTestFakeKeyEvent(self->ctrl_conn, 22, False, 0);
self->generated = key_add_key(self->generated, 22);
XFlush(self->ctrl_conn);
key->mouse = False;
}
else if (key->used == False) {
struct timeval timev = self->timeout;
gettimeofday(&timev, NULL);
timersub(&timev, &key->down_at, &timev);
if (timercmp(&timev, &self->timeout, <)) {
char buf[32], *keys = buf;
XQueryKeymap(self->ctrl_conn, keys);
if (key->UseModifier) {
if (!BIT(keys, XKeysymToKeycode(self->ctrl_conn, key->modifier))) {
goto skip;
}
} else if (key->UseModifierCode) {
if (!BIT(keys, key->modifier_code)) {
goto skip;
}
} else {
for (int i = 0; i < 32; i++)
if (keys[i])
goto skip;
}
/* if (key->from_kc == 108) system("copyq select 0"); */
for (k = key->to_keys; k != NULL; k = k->next) {
if (self->debug)
fprintf(stdout, "Generating %s!\n",
XKeysymToString(
XkbKeycodeToKeysym(self->ctrl_conn, k->key, 0, 0)));
XTestFakeKeyEvent(self->ctrl_conn, k->key, True, 0);
self->generated = key_add_key(self->generated, k->key);
// lshift and rshift
if ((BIT(keys, 50) || BIT(keys, 62)) && key->from_kc == 100) {
XTestFakeKeyEvent(self->ctrl_conn, 22, True, 0);
/* XTestFakeKeyEvent(self->ctrl_conn, 22, False, 0); */
self->generated = key_add_key(self->generated, 22);
XFlush(self->ctrl_conn);
key->pressed = True;
key->used = True;
key->mouse = True;
return;
}
for (k = key->to_keys; k != NULL; k = k->next) {
XTestFakeKeyEvent(self->ctrl_conn, k->key, False, 0);
self->generated = key_add_key(self->generated, k->key);
key->pressed = True;
gettimeofday(&key->down_at, NULL);
/* if (mouse_pressed) { */
/* key->used = True; */
/* } */
} else {
if (self->debug)
fprintf(stdout, "Key released!\n");
if (key->mouse) {
XTestFakeKeyEvent(self->ctrl_conn, 22, False, 0);
self->generated = key_add_key(self->generated, 22);
XFlush(self->ctrl_conn);
key->mouse = False;
} else if (key->used == False) {
struct timeval timev = self->timeout;
gettimeofday(&timev, NULL);
timersub(&timev, &key->down_at, &timev);
if (timercmp(&timev, &self->timeout, <)) {
char buf[32], *keys = buf;
XQueryKeymap(self->ctrl_conn, keys);
if (key->UseModifier) {
if (!BIT(keys, XKeysymToKeycode(self->ctrl_conn, key->modifier))) {
goto skip;
}
} else if (key->UseModifierCode) {
if (!BIT(keys, key->modifier_code)) {
goto skip;
}
}
/* else { */
/* for (int i = 0; i < 32; i++) */
/* if (keys[i]) */
/* goto skip; */
/* } */
/* if (key->from_kc == 108) system("copyq select 0"); */
for (k = key->to_keys; k != NULL; k = k->next) {
if (self->debug)
fprintf(stdout, "Generating %s!\n",
XKeysymToString(XkbKeycodeToKeysym(self->ctrl_conn, k->key, 0, 0)));
XTestFakeKeyEvent(self->ctrl_conn, k->key, True, 0);
self->generated = key_add_key(self->generated, k->key);
}
for (k = key->to_keys; k != NULL; k = k->next) {
XTestFakeKeyEvent(self->ctrl_conn, k->key, False, 0);
self->generated = key_add_key(self->generated, k->key);
}
XFlush(self->ctrl_conn);
}
}
XFlush(self->ctrl_conn);
}
skip:
key->used = False;
key->pressed = False;
}
skip:
key->used = False;
key->pressed = False;
}
}
void intercept(XPointer user_data, XRecordInterceptData *data) {
XCape_t *self = (XCape_t *)user_data;
static Bool mouse_pressed = False;
KeyMap_t *km;
void intercept(XPointer user_data, XRecordInterceptData* data) {
XCape_t* self = (XCape_t*)user_data;
static Bool mouse_pressed = False;
KeyMap_t* km;
XLockDisplay(self->ctrl_conn);
XLockDisplay(self->ctrl_conn);
if (data->category == XRecordFromServer) {
int key_event = data->data[0];
KeyCode key_code = data->data[1];
Key_t *g, *g_prev = NULL;
if (data->category == XRecordFromServer) {
int key_event = data->data[0];
KeyCode key_code = data->data[1];
Key_t *g, *g_prev = NULL;
for (g = self->generated; g != NULL; g = g->next) {
if (g->key == key_code) {
if (self->debug)
fprintf(stdout, "Ignoring generated event.\n");
if (g_prev != NULL) {
g_prev->next = g->next;
} else {
self->generated = g->next;
for (g = self->generated; g != NULL; g = g->next) {
if (g->key == key_code) {
if (self->debug)
fprintf(stdout, "Ignoring generated event.\n");
if (g_prev != NULL) {
g_prev->next = g->next;
} else {
self->generated = g->next;
}
free(g);
goto exit;
}
g_prev = g;
}
free(g);
goto exit;
}
g_prev = g;
}
if (self->debug)
fprintf(stdout, "Intercepted key event %d, key code %d\n", key_event,
key_code);
if (self->debug)
fprintf(stdout, "Intercepted key event %d, key code %d\n", key_event, key_code);
if (key_event == ButtonPress) {
mouse_pressed = True;
} else if (key_event == ButtonRelease) {
mouse_pressed = False;
if (key_event == ButtonPress) {
mouse_pressed = True;
} else if (key_event == ButtonRelease) {
mouse_pressed = False;
}
for (km = self->map; km != NULL; km = km->next) {
if ((km->UseKeyCode == False
&& XkbKeycodeToKeysym(self->ctrl_conn, key_code, 0, 0) == km->from_ks)
|| (km->UseKeyCode == True && key_code == km->from_kc)) {
handle_key(self, km, mouse_pressed, key_event);
} else if (km->pressed && (key_event == KeyPress || key_event == ButtonPress)) {
km->used = True;
}
}
}
for (km = self->map; km != NULL; km = km->next) {
if ((km->UseKeyCode == False &&
XkbKeycodeToKeysym(self->ctrl_conn, key_code, 0, 0) ==
km->from_ks) ||
(km->UseKeyCode == True && key_code == km->from_kc)) {
handle_key(self, km, mouse_pressed, key_event);
} else if (km->pressed &&
(key_event == KeyPress || key_event == ButtonPress)) {
km->used = True;
}
}
}
exit:
XUnlockDisplay(self->ctrl_conn);
XRecordFreeData(data);
XUnlockDisplay(self->ctrl_conn);
XRecordFreeData(data);
}
KeyMap_t *parse_token(Display *dpy, char *token, Bool debug) {
KeyMap_t *km = NULL;
KeySym ks;
char *modifier, *from, *to, *key;
KeyCode code; /* keycode (to) */
long fromcode; /* keycode (from) */
KeyMap_t* parse_token(Display* dpy, char* token, Bool debug) {
KeyMap_t* km = NULL;
KeySym ks;
char *modifier, *from, *to, *key;
KeyCode code; /* keycode (to) */
long fromcode; /* keycode (from) */
to = token;
modifier = strsep(&to, ":");
if (to == NULL) {
to = token;
modifier = NULL;
}
from = strsep(&to, "=");
if (to != NULL) {
km = calloc(1, sizeof(KeyMap_t));
if (!strncmp(from, "#", 1) && strsep(&from, "#") != NULL) {
errno = 0;
fromcode = strtoul(from, NULL, 0); /* dec, oct, hex automatically */
km->UseKeyCode = True;
km->from_kc = (KeyCode)fromcode;
if (debug) {
KeySym ks_temp = XkbKeycodeToKeysym(dpy, (KeyCode)fromcode, 0, 0);
fprintf(stderr, "Assigned mapping from from \"%s\" ( keysym 0x%x, "
"key code %d)\n",
XKeysymToString(ks_temp), (unsigned)ks_temp,
(unsigned)km->from_kc);
}
} else {
if ((ks = XStringToKeysym(from)) == NoSymbol) {
fprintf(stderr, "Invalid key: %s\n", token);
return NULL;
}
km->UseKeyCode = False;
km->from_ks = ks;
km->to_keys = NULL;
if (debug) {
fprintf(stderr, "Assigned mapping from \"%s\" ( keysym 0x%x, "
"key code %d)\n",
XKeysymToString(km->from_ks), (unsigned)km->from_ks,
(unsigned)XKeysymToKeycode(dpy, km->from_ks));
}
modifier = strsep(&to, ":");
if (to == NULL) {
to = token;
modifier = NULL;
}
if (modifier != NULL) {
if (!strncmp(modifier, "#", 1) && strsep(&modifier, "#") != NULL) {
km->UseModifierCode = True;
km->modifier_code =
strtoul(modifier, NULL, 0); /* dec, oct, hex automatically */
} else {
if ((ks = XStringToKeysym(modifier)) == NoSymbol) {
fprintf(stderr, "Invalid key: %s\n", token);
return NULL;
}
km->UseModifier = True;
km->modifier = ks;
if (debug) {
fprintf(stderr,
"Assigned mapping with modifier \"%s\" ( keysym 0x%x, "
"key code %d)\n",
XKeysymToString(km->modifier), (unsigned)km->modifier,
(unsigned)XKeysymToKeycode(dpy, km->modifier));
}
}
from = strsep(&to, "=");
if (to != NULL) {
km = calloc(1, sizeof(KeyMap_t));
} else {
km->UseModifier = False;
}
if (!strncmp(from, "#", 1) && strsep(&from, "#") != NULL) {
errno = 0;
fromcode = strtoul(from, NULL, 0); /* dec, oct, hex automatically */
km->UseKeyCode = True;
km->from_kc = (KeyCode)fromcode;
if (debug) {
KeySym ks_temp = XkbKeycodeToKeysym(dpy, (KeyCode)fromcode, 0, 0);
fprintf(stderr,
"Assigned mapping from from \"%s\" ( keysym 0x%x, "
"key code %d)\n",
XKeysymToString(ks_temp), (unsigned)ks_temp, (unsigned)km->from_kc);
}
} else {
if ((ks = XStringToKeysym(from)) == NoSymbol) {
fprintf(stderr, "Invalid key: %s\n", token);
return NULL;
}
km->UseKeyCode = False;
km->from_ks = ks;
km->to_keys = NULL;
if (debug) {
fprintf(stderr,
"Assigned mapping from \"%s\" ( keysym 0x%x, "
"key code %d)\n",
XKeysymToString(km->from_ks), (unsigned)km->from_ks,
(unsigned)XKeysymToKeycode(dpy, km->from_ks));
}
}
if (modifier != NULL) {
if (!strncmp(modifier, "#", 1) && strsep(&modifier, "#") != NULL) {
km->UseModifierCode = True;
km->modifier_code = strtoul(modifier, NULL, 0); /* dec, oct, hex automatically */
} else {
if ((ks = XStringToKeysym(modifier)) == NoSymbol) {
fprintf(stderr, "Invalid key: %s\n", token);
return NULL;
}
km->UseModifier = True;
km->modifier = ks;
if (debug) {
fprintf(stderr,
"Assigned mapping with modifier \"%s\" ( keysym 0x%x, "
"key code %d)\n",
XKeysymToString(km->modifier), (unsigned)km->modifier,
(unsigned)XKeysymToKeycode(dpy, km->modifier));
}
}
} else {
km->UseModifier = False;
}
for (;;) {
key = strsep(&to, "|");
if (key == NULL)
break;
if ((ks = XStringToKeysym(key)) == NoSymbol) {
fprintf(stderr, "Invalid key: %s\n", key);
return NULL;
}
code = XKeysymToKeycode(dpy, ks);
if (code == 0) {
fprintf(stderr,
"WARNING: No keycode found for keysym "
"%s (0x%x) in mapping %s. Ignoring this "
"mapping.\n",
key, (unsigned int)ks, token);
return NULL;
}
km->to_keys = key_add_key(km->to_keys, code);
if (debug) {
fprintf(stderr, "to \"%s\" (keysym 0x%x, key code %d)\n", key,
(unsigned)XStringToKeysym(key), (unsigned)code);
}
}
} else
fprintf(stderr, "WARNING: Mapping without = has no effect: '%s'\n", token);
return km;
}
KeyMap_t* parse_mapping(Display* ctrl_conn, char* mapping, Bool debug) {
char* token;
KeyMap_t *rval, *km, *nkm;
rval = km = NULL;
for (;;) {
key = strsep(&to, "|");
if (key == NULL)
break;
token = strsep(&mapping, ";");
if (token == NULL)
break;
if ((ks = XStringToKeysym(key)) == NoSymbol) {
fprintf(stderr, "Invalid key: %s\n", key);
return NULL;
}
nkm = parse_token(ctrl_conn, token, debug);
code = XKeysymToKeycode(dpy, ks);
if (code == 0) {
fprintf(stderr, "WARNING: No keycode found for keysym "
"%s (0x%x) in mapping %s. Ignoring this "
"mapping.\n",
key, (unsigned int)ks, token);
return NULL;
}
km->to_keys = key_add_key(km->to_keys, code);
if (debug) {
fprintf(stderr, "to \"%s\" (keysym 0x%x, key code %d)\n", key,
(unsigned)XStringToKeysym(key), (unsigned)code);
}
if (nkm != NULL) {
if (km == NULL)
rval = km = nkm;
else {
km->next = nkm;
km = nkm;
}
}
}
} else
fprintf(stderr, "WARNING: Mapping without = has no effect: '%s'\n", token);
return km;
return rval;
}
KeyMap_t *parse_mapping(Display *ctrl_conn, char *mapping, Bool debug) {
char *token;
KeyMap_t *rval, *km, *nkm;
rval = km = NULL;
for (;;) {
token = strsep(&mapping, ";");
if (token == NULL)
break;
nkm = parse_token(ctrl_conn, token, debug);
if (nkm != NULL) {
if (km == NULL)
rval = km = nkm;
else {
km->next = nkm;
km = nkm;
}
void delete_mapping(KeyMap_t* map) {
while (map != NULL) {
KeyMap_t* next = map->next;
delete_keys(map->to_keys);
free(map);
map = next;
}
}
return rval;
}
void delete_mapping(KeyMap_t *map) {
while (map != NULL) {
KeyMap_t *next = map->next;
delete_keys(map->to_keys);
free(map);
map = next;
}
void delete_keys(Key_t* keys) {
while (keys != NULL) {
Key_t* next = keys->next;
free(keys);
keys = next;
}
}
void delete_keys(Key_t *keys) {
while (keys != NULL) {
Key_t *next = keys->next;
free(keys);
keys = next;
}
}
void print_usage(const char *program_name) {
fprintf(stdout, "Usage: %s [-d] [-t timeout_ms] [-e <mapping>]\n",
program_name);
fprintf(stdout, "Runs as a daemon unless -d flag is set\n");
void print_usage(const char* program_name) {
fprintf(stdout, "Usage: %s [-d] [-t timeout_ms] [-e <mapping>]\n", program_name);
fprintf(stdout, "Runs as a daemon unless -d flag is set\n");
}