/*****************************************************************************
* Close:
*****************************************************************************/
static void Close( vlc_object_t *p_this )
{
intf_thread_t *p_intf = (intf_thread_t *)p_this;
intf_sys_t *p_sys = p_intf->p_sys;
if( !p_sys )
return; /* if we were running disabled */
vlc_cancel( p_sys->thread );
vlc_join( p_sys->thread, NULL );
if( p_sys->p_map )
{
free( p_sys->p_map->p_keys );
free( p_sys->p_map );
}
xcb_key_symbols_free( p_sys->p_symbols );
xcb_disconnect( p_sys->p_connection );
free( p_sys );
}
static int
_e_alert_handle_key_press(xcb_generic_event_t *event)
{
xcb_key_symbols_t *symbols;
xcb_key_press_event_t *ev;
xcb_keysym_t key;
int r = 0;
ev = (xcb_key_press_event_t *)event;
symbols = xcb_key_symbols_alloc(conn);
key = xcb_key_symbols_get_keysym(symbols, ev->detail, 0);
if (key == XK_F1)
r = 1;
else if (key == XK_F12)
r = 2;
xcb_key_symbols_free(symbols);
return r;
}
void WindowSelector::handleKeyPress(xcb_keycode_t keycode, uint16_t state)
{
xcb_key_symbols_t *symbols = xcb_key_symbols_alloc(connection());
xcb_keysym_t kc = xcb_key_symbols_get_keysym(symbols, keycode, 0);
int mx = 0;
int my = 0;
const bool returnPressed = (kc == XK_Return) || (kc == XK_space);
const bool escapePressed = (kc == XK_Escape);
if (kc == XK_Left) {
mx = -10;
}
if (kc == XK_Right) {
mx = 10;
}
if (kc == XK_Up) {
my = -10;
}
if (kc == XK_Down) {
my = 10;
}
if (state & XCB_MOD_MASK_CONTROL) {
mx /= 10;
my /= 10;
}
Cursor::setPos(Cursor::pos() + QPoint(mx, my));
if (returnPressed) {
selectWindowUnderPointer();
}
if (returnPressed || escapePressed) {
if (escapePressed) {
m_callback(nullptr);
}
release();
}
xcb_key_symbols_free(symbols);
}
int main(int argc, char *argv[])
{
char opt;
char *fifo_path = NULL;
char *socket_path = NULL;
status_fifo = NULL;
config_path = NULL;
mapping_count = 0;
timeout = TIMEOUT;
grabbed = false;
sock_address.sun_family = AF_UNIX;
sock_address.sun_path[0] = 0;
snprintf(motion_msg_tpl, sizeof(motion_msg_tpl), "%s", MOTION_MSG_TPL);
unsigned int max_freq = 0;
motion_interval = 0;
last_motion_time = 0;
redir_fd = -1;
while ((opt = getopt(argc, argv, "vhm:t:c:r:s:f:o:g:")) != (char)-1) {
switch (opt) {
case 'v':
printf("%s\n", VERSION);
exit(EXIT_SUCCESS);
break;
case 'h':
printf("sxhkd [-h|-v|-m COUNT|-t TIMEOUT|-c CONFIG_FILE|-r REDIR_FILE|-s STATUS_FIFO|-o MOTION_SOCKET|-g MOTION_MSG_TPL] [EXTRA_CONFIG ...]\n");
exit(EXIT_SUCCESS);
break;
case 'm':
if (sscanf(optarg, "%i", &mapping_count) != 1)
warn("Can't parse mapping count.\n");
break;
case 't':
timeout = atoi(optarg);
break;
case 'c':
config_path = optarg;
break;
case 'r':
redir_fd = open(optarg, O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
if (redir_fd == -1)
warn("Failed to open the command redirection file.\n");
break;
case 's':
fifo_path = optarg;
break;
case 'o':
socket_path = optarg;
break;
case 'g':
snprintf(motion_msg_tpl, sizeof(motion_msg_tpl), "%s", optarg);
break;
case 'f':
if (sscanf(optarg, "%u", &max_freq) != 1)
warn("Can't parse maximum pointer frequency.\n");
break;
}
}
num_extra_confs = argc - optind;
extra_confs = argv + optind;
if (config_path == NULL) {
char *config_home = getenv(CONFIG_HOME_ENV);
if (config_home != NULL)
snprintf(config_file, sizeof(config_file), "%s/%s", config_home, CONFIG_PATH);
else
snprintf(config_file, sizeof(config_file), "%s/%s/%s", getenv("HOME"), ".config", CONFIG_PATH);
} else {
snprintf(config_file, sizeof(config_file), "%s", config_path);
}
if (socket_path == NULL) {
socket_path = getenv(SOCKET_ENV);
}
if (socket_path == NULL) {
char *host = NULL;
int dn = 0, sn = 0;
if (xcb_parse_display(NULL, &host, &dn, &sn) != 0) {
snprintf(sock_address.sun_path, sizeof(sock_address.sun_path), SOCKET_PATH_TPL, host, dn, sn);
} else {
warn("Failed to set motion socket address.");
}
free(host);
} else {
snprintf(sock_address.sun_path, sizeof(sock_address.sun_path), "%s", socket_path);
}
if (fifo_path != NULL) {
int fifo_fd = open(fifo_path, O_RDWR | O_NONBLOCK);
if (fifo_fd != -1)
status_fifo = fdopen(fifo_fd, "w");
else
warn("Couldn't open status fifo.\n");
}
if (max_freq != 0)
motion_interval = 1000.0 / max_freq;
signal(SIGINT, hold);
signal(SIGHUP, hold);
signal(SIGTERM, hold);
signal(SIGUSR1, hold);
signal(SIGUSR2, hold);
signal(SIGALRM, hold);
setup();
get_standard_keysyms();
get_lock_fields();
escape_chord = make_chord(ESCAPE_KEYSYM, XCB_NONE, 0, XCB_KEY_PRESS, false, false);
load_config(config_file);
for (int i = 0; i < num_extra_confs; i++)
load_config(extra_confs[i]);
grab();
xcb_generic_event_t *evt;
int fd = xcb_get_file_descriptor(dpy);
fd_set descriptors;
reload = toggle_grab = bell = chained = locked = false;
running = true;
xcb_flush(dpy);
while (running) {
FD_ZERO(&descriptors);
FD_SET(fd, &descriptors);
if (select(fd + 1, &descriptors, NULL, NULL, NULL) > 0) {
while ((evt = xcb_poll_for_event(dpy)) != NULL) {
uint8_t event_type = XCB_EVENT_RESPONSE_TYPE(evt);
switch (event_type) {
case XCB_KEY_PRESS:
case XCB_KEY_RELEASE:
case XCB_BUTTON_PRESS:
case XCB_BUTTON_RELEASE:
key_button_event(evt, event_type);
break;
case XCB_MOTION_NOTIFY:
motion_notify(evt);
break;
case XCB_MAPPING_NOTIFY:
mapping_notify(evt);
break;
default:
PRINTF("received event %u\n", event_type);
break;
}
free(evt);
}
}
if (reload) {
signal(SIGUSR1, hold);
reload_cmd();
reload = false;
}
if (toggle_grab) {
signal(SIGUSR2, hold);
toggle_grab_cmd();
toggle_grab = false;
}
if (bell) {
signal(SIGALRM, hold);
abort_chain();
if (status_fifo != NULL)
put_status(TIMEOUT_PREFIX, "Timeout reached");
bell = false;
}
if (xcb_connection_has_error(dpy)) {
warn("The server closed the connection.\n");
running = false;
}
}
if (redir_fd != -1)
close(redir_fd);
if (status_fifo != NULL)
fclose(status_fifo);
ungrab();
cleanup();
destroy_chord(escape_chord);
xcb_key_symbols_free(symbols);
xcb_disconnect(dpy);
return EXIT_SUCCESS;
}
/*****************************************************************************
* Open:
*****************************************************************************/
static int Open( vlc_object_t *p_this )
{
intf_thread_t *p_intf = (intf_thread_t *)p_this;
intf_sys_t *p_sys;
int ret = VLC_EGENERIC;
p_intf->p_sys = p_sys = calloc( 1, sizeof(*p_sys) );
if( !p_sys )
return VLC_ENOMEM;
int i_screen_default;
p_sys->p_connection = xcb_connect( NULL, &i_screen_default );
if( xcb_connection_has_error( p_sys->p_connection ) )
goto error;
/* Get the root windows of the default screen */
const xcb_setup_t* xcbsetup = xcb_get_setup( p_sys->p_connection );
if( !xcbsetup )
goto error;
xcb_screen_iterator_t iter = xcb_setup_roots_iterator( xcbsetup );
for( int i = 0; i < i_screen_default; i++ )
{
if( !iter.rem )
break;
xcb_screen_next( &iter );
}
if( !iter.rem )
goto error;
p_sys->root = iter.data->root;
/* */
p_sys->p_symbols = xcb_key_symbols_alloc( p_sys->p_connection ); // FIXME
if( !p_sys->p_symbols )
goto error;
if( !Mapping( p_intf ) )
{
ret = VLC_SUCCESS;
p_intf->p_sys = NULL; /* for Close() */
goto error;
}
Register( p_intf );
if( vlc_clone( &p_sys->thread, Thread, p_intf, VLC_THREAD_PRIORITY_LOW ) )
{
if( p_sys->p_map )
{
free( p_sys->p_map->p_keys );
free( p_sys->p_map );
}
goto error;
}
return VLC_SUCCESS;
error:
if( p_sys->p_symbols )
xcb_key_symbols_free( p_sys->p_symbols );
xcb_disconnect( p_sys->p_connection );
free( p_sys );
return ret;
}
void fill_keycodes() {
struct xkb_keymap *keymap;
struct xkb_context *context;
const struct xkb_rule_names rules={
.rules=xkb_names[0],
.model=xkb_names[1],
.layout=xkb_names[2],
.variant=xkb_names[3],
.options=xkb_names[4]
};
struct xkb_state *state;
enum xkb_state_component current_state;
int counter;
int i,j,k;
char mods[256];
char keysym_asc[256];
char file_path[256];
char command[15];
uint32_t max_keys;
int w,h,retval;
int jumpto;
context=xkb_context_new(0);
keymap=xkb_keymap_new_from_names(context,&rules,0);
state=NULL;
// Get all the modifier keys
for(i=8;i<256;i++) {
state=xkb_state_new(keymap);
current_state=xkb_state_update_key(state, i,XKB_KEY_DOWN);
if (current_state!=0) {
mods[i]=1;
} else {
mods[i]=0;
}
xkb_state_unref(state);
}
mods[7]=1; // fake mod, used for "no mod"
// Read the keyboard definition files
sprintf(file_path,"%s/%s.keymap",BASE_CONFIG_DIR,lang_onscreen);
FILE *keyboard_file=fopen(file_path,"r");
if (keyboard_file==NULL) {
printf("Can't open keyboard definition file %s. Trying with US file\n",file_path);
sprintf(file_path,"%s/us.keymap",BASE_CONFIG_DIR);
keyboard_file=fopen(file_path,"r");
if (keyboard_file==NULL) {
printf("Also failed to open the US keymap file. Aborting.\n");
exit(-1);
}
}
retval=fscanf(keyboard_file,"%s %d",command,&keyboard_blocks);
if (retval!=2) {
printf("Can't read the number of blocks\n");
} else {
max_keys=keyboard_blocks*4*KEYS_PER_ROW;
keyboard_lowercase=(struct key_element *)malloc(max_keys*sizeof(struct key_element));
memset(keyboard_lowercase,0,max_keys*sizeof(struct key_element));
for(counter=0;(!feof(keyboard_file))&&(counter<max_keys);counter++) {
retval=fscanf(keyboard_file,"%s %d %d",command,&w,&h);
if(retval!=3) {
break;
}
keyboard_lowercase[counter].size=KEYS_FONT_SIZE;
keyboard_lowercase[counter].g_element[0]=0;
keyboard_lowercase[counter].w=w;
keyboard_lowercase[counter].h=h;
keyboard_lowercase[counter].keycode=0;
keyboard_lowercase[counter].modifier=0;
if (!strcmp(command,"BLANK")) {
keyboard_lowercase[counter].type=KEY_BLANK;
keyboard_lowercase[counter].keysym=0;
} else if (!strcmp(command,"KEY")) {
keyboard_lowercase[counter].type=KEY_PH;
retval=fscanf(keyboard_file,"%s",keyboard_lowercase[counter].g_element);
keyboard_lowercase[counter].keysym=init_utf8_to_keysym(keyboard_lowercase[counter].g_element);
if (keyboard_lowercase[counter].keysym==0) {
keyboard_lowercase[counter].type=KEY_BLANK;
}
} else if ((!strcmp(command,"KEYSYM"))||(!strcmp(command,"KEYSYMTEXT"))) {
keyboard_lowercase[counter].type=KEY_PH;
retval=fscanf(keyboard_file,"%s",keysym_asc);
keyboard_lowercase[counter].keysym=xkb_keysym_from_name(keysym_asc,0);
if (keyboard_lowercase[counter].keysym==0) {
printf("Unknown keysym %s\n",keysym_asc);
keyboard_lowercase[counter].type=KEY_BLANK;
} else {
if (!strcmp(command,"KEYSYMTEXT")) {
retval=fscanf(keyboard_file,"%s",keyboard_lowercase[counter].g_element);
keyboard_lowercase[counter].size=KEYS_TEXT_FONT_SIZE;
} else {
retval=xkb_keysym_to_utf8(keyboard_lowercase[counter].keysym,keyboard_lowercase[counter].g_element,7);
if (retval==-1) {
retval++;
}
keyboard_lowercase[counter].g_element[retval]=0;// terminate string
}
}
} else if (!strcmp(command,"TAB")) {
keyboard_lowercase[counter].type=KEY_TAB;
keyboard_lowercase[counter].keysym=XK_Tab;
} else if (!strcmp(command,"SPACE")) {
keyboard_lowercase[counter].type=KEY_SPACE;
keyboard_lowercase[counter].keysym=XK_space;
} else if (!strcmp(command,"RETURN")) {
keyboard_lowercase[counter].type=KEY_RETURN;
keyboard_lowercase[counter].keysym=XK_Return;
} else if (!strcmp(command,"DELETE")) {
keyboard_lowercase[counter].type=KEY_DELETE;
keyboard_lowercase[counter].keysym=XK_BackSpace;
} else if (!strcmp(command,"JUMPTO")) {
retval=fscanf(keyboard_file,"%d %s",&jumpto,command);
keyboard_lowercase[counter].type=KEY_JUMPTO;
keyboard_lowercase[counter].keycode=jumpto;
keyboard_lowercase[counter].keysym=0;
if (!strcmp(command,"GEN")) {
keyboard_lowercase[counter].modifier=0;
} else if (!strcmp(command,"SHIFT")) {
keyboard_lowercase[counter].modifier=1;
} else if (!strcmp(command,"SYMBOLS")) {
keyboard_lowercase[counter].modifier=2;
} else if (!strcmp(command,"LETTERS")) {
keyboard_lowercase[counter].modifier=3;
}
if (jumpto>=keyboard_blocks) {
printf("Ilegal jump to block %d (max. is %d)\n",jumpto,keyboard_blocks);
keyboard_lowercase[counter].type=KEY_BLANK;
}
} else if (!strcmp(command,"UP")) {
keyboard_lowercase[counter].type=KEY_UP;
keyboard_lowercase[counter].keysym=XK_Up;
} else if (!strcmp(command,"DOWN")) {
keyboard_lowercase[counter].type=KEY_DOWN;
keyboard_lowercase[counter].keysym=XK_Down;
} else if (!strcmp(command,"LEFT")) {
keyboard_lowercase[counter].type=KEY_LEFT;
keyboard_lowercase[counter].keysym=XK_Left;
} else if (!strcmp(command,"RIGHT")) {
keyboard_lowercase[counter].type=KEY_RIGHT;
keyboard_lowercase[counter].keysym=XK_Right;
} else {
printf("Unknown command %s\n",command);
keyboard_lowercase[counter].type=KEY_BLANK;
keyboard_lowercase[counter].keysym=0;
}
}
xkb_keysym_t keysym;
xkb_keycode_t keycode_mod;
for(i=7;i<256;i++) { // do a loop on every modifier
if (!mods[i]) {
continue; // In this loop we test each modifier with each keycode
}
state=xkb_state_new(keymap);
if (i!=7) {
xkb_state_update_key(state, i,XKB_KEY_DOWN); // press the modifier key
keycode_mod=i;
} else {
keycode_mod=0;
}
for(j=8;j<256;j++) {
if (mods[j]) {
continue; // Don't test modifiers; we want "normal" keys
}
keysym=xkb_state_key_get_one_sym(state, j);
if (keysym==XKB_KEY_NoSymbol) {
continue;
}
for(k=0;k<counter;k++) { // and now we check each desired key with the keysymbol obtained
if ((keyboard_lowercase[k].keycode==0)&&(keyboard_lowercase[k].type!=KEY_BLANK)&&(keyboard_lowercase[k].keysym==keysym)) {
keyboard_lowercase[k].keycode=j;
keyboard_lowercase[k].modifier=keycode_mod;
}
}
}
xkb_state_unref(state);
}
/*for(k=0;k<counter;k++) { // and now we check each desired key with the keysymbol obtained
printf("Texto: %s, Keysym: %d, mod: %d\n",keyboard_lowercase[k].g_element,keyboard_lowercase[k].keycode,keyboard_lowercase[k].modifier);
}*/
// Now assign new keysyms to keycodes not used, to allow other keysyms not available in US keyboards
xcb_key_symbols_t *symbols;
symbols=xcb_key_symbols_alloc(conn);
xcb_flush(conn);
xcb_keycode_t keycode=8;
xcb_keycode_t keycode_found;
xcb_keysym_t keysyms[4];
xcb_keycode_t keycode_shift;
struct lower_upper_t {xcb_keysym_t upper_first;
xcb_keysym_t upper_last;
xcb_keysym_t lower_first;
xcb_keysym_t lower_last;
};
struct lower_upper_t lower_upper[] = {
{XKB_KEY_Agrave,XKB_KEY_Odiaeresis,XKB_KEY_agrave,XKB_KEY_odiaeresis},
{XKB_KEY_Oslash,XKB_KEY_THORN,XKB_KEY_oslash,XKB_KEY_thorn},
{0,0,0,0}
};
struct lower_upper_t *iter_lu;
keycode_shift=*xcb_key_symbols_get_keycode(symbols,XKB_KEY_Shift_L);
for(k=0;k<max_keys;k++) { // and now we check each desired key with the keysymbol obtained
if ((keyboard_lowercase[k].keycode==0)&&(keyboard_lowercase[k].type!=KEY_BLANK)&&(keyboard_lowercase[k].type!=KEY_JUMPTO)) {
// this key is not available in US keyboards; let's redefine a keycode for it
keycode_found=0;
while(keycode<256) {
if ((0==xcb_key_symbols_get_keysym(symbols,keycode,0))&&
(0==xcb_key_symbols_get_keysym(symbols,keycode,1))&&
(0==xcb_key_symbols_get_keysym(symbols,keycode,2))&&
(0==xcb_key_symbols_get_keysym(symbols,keycode,3))) {
keycode_found=keycode;
break;
}
keycode++;
}
if (keycode_found==0) {
printf("No more codes available\n");
break; // there are no more free keycodes available
}
keycode=keycode_found;
keysyms[0]=keyboard_lowercase[k].keysym;
keysyms[1]=0;
keysyms[2]=keyboard_lowercase[k].keysym;
keysyms[3]=0;
for(iter_lu=lower_upper;iter_lu->upper_first;iter_lu++) {
if ((keysyms[0]>=iter_lu->upper_first)&&(keysyms[0]<=iter_lu->upper_last)) { // it's an uppercase special character
keysyms[0]|=0x20; // first character as lowercase
break;
}
if ((keysyms[0]>=iter_lu->lower_first)&&(keysyms[0]<=iter_lu->lower_last)) { // it's a lowercase special character
keysyms[2]&=0xDF; // second character as uppercase
break;
}
}
xcb_change_keyboard_mapping(conn,1,keycode,4,keysyms); // insert the new keysym
for(j=k;j<max_keys;j++) { // set the keycode and the shift modifier, if needed, to all keys with that keysyms
if (keyboard_lowercase[j].keysym==keysyms[0]) {
keyboard_lowercase[j].keycode=keycode;
keyboard_lowercase[j].modifier=0;
continue;
}
if (keyboard_lowercase[j].keysym==keysyms[2]) {
keyboard_lowercase[j].keycode=keycode;
keyboard_lowercase[j].modifier=keycode_shift;
continue;
}
}
keycode++;
}
}
xcb_key_symbols_free(symbols);
}
fclose(keyboard_file);
keyboard_current_block=0;
xkb_keymap_unref(keymap);
xkb_context_unref(context);
}
void XCB_keyHandler_Destroy (key_handler_t *ctx)
{
xcb_key_symbols_free (ctx->syms);
free (ctx);
}
keyboard::~keyboard( void )
{
if ( _keysyms )
xcb_key_symbols_free( _keysyms );
}
void DestroyKeyHandler (key_handler_t *ctx)
{
xcb_key_symbols_free (ctx->syms);
free (ctx);
}
