/** Execute a system command
* \param cmd Command
* \return child pid
*/
pid_t
spawn(const char *format, ...)
{
char *sh = NULL;
char cmd[512];
va_list ap;
pid_t pid;
size_t len;
va_start(ap, format);
len = vsnprintf(cmd, sizeof(cmd), format, ap);
va_end(ap);
if (len >= sizeof(cmd))
{
warnxl("command too long (> 512 bytes)");
return -1;
}
if(!(sh = getenv("SHELL")) || sh[0] != '/')
sh = "/bin/sh";
if(!(pid = fork()))
{
setsid();
if (execl(sh, sh, "-c", cmd, (char*)NULL) == -1)
warnl("execl(sh -c %s)", cmd);
exit(EXIT_FAILURE);
}
else if (pid == -1)
warnl("fork");
return pid;
}
void
wmfs_init_font(char *font, struct theme *t)
{
XFontStruct **xfs = NULL;
char **misschar, **names, *defstring;
int d;
if(!(t->font.fontset = XCreateFontSet(W->dpy, font, &misschar, &d, &defstring)))
{
warnxl("Can't load font '%s'", font);
t->font.fontset = XCreateFontSet(W->dpy, "fixed", &misschar, &d, &defstring);
}
XExtentsOfFontSet(t->font.fontset);
XFontsOfFontSet(t->font.fontset, &xfs, &names);
t->font.as = xfs[0]->max_bounds.ascent;
t->font.de = xfs[0]->max_bounds.descent;
t->font.width = xfs[0]->max_bounds.width;
t->font.height = t->font.as + t->font.de;
if(misschar)
XFreeStringList(misschar);
}
int
wmfs_error_handler(Display *d, XErrorEvent *event)
{
char mess[256];
/* Check if there is another WM running */
if(event->error_code == BadAccess
&& W->root == event->resourceid)
errl(EXIT_FAILURE, "Another Window Manager is already running.");
/* Ignore focus change error for unmapped client
* 42 = X_SetInputFocus
* 28 = X_GrabButton
*/
if(client_gb_win(event->resourceid))
if(event->error_code == BadWindow
|| event->request_code == 42
|| event->request_code == 28)
return 0;
if(XGetErrorText(d, event->error_code, mess, 128))
warnxl("%s(%d) opcodes %d/%d\n resource #%lx\n",
mess,
event->error_code,
event->request_code,
event->minor_code,
event->resourceid);
return 1;
}
void
config_init(void)
{
if(get_conf(W->confpath) == -1)
{
warnl("parsing configuration file (%s) failed.", W->confpath);
sprintf(W->confpath, "%s/"CONFIG_DEFAULT_PATH, getenv("HOME"));
if(get_conf(W->confpath) == -1)
{
warnxl("parsing default configuration file (%s) failed.", W->confpath);
sprintf(W->confpath, "%s/wmfs/wmfsrc", XDG_CONFIG_DIR);
if(get_conf(W->confpath) == -1)
errxl(1, "parsing system configuration file (%s) failed.", W->confpath);
}
}
config_theme();
config_keybind();
config_tag();
config_client();
config_bars();
config_rule();
config_launcher();
free_conf();
}
/** strdup with error support
* \param str char pointer
* \retun non null void pointer
*/
char *
xstrdup(const char *str)
{
char *ret = NULL;
if(str == NULL || (ret = strdup(str)) == NULL)
warnxl("strdup(%s)", str);
return ret;
}
static void
config_keybind(void)
{
int i, n;
size_t j;
struct conf_sec *sec, **ks;
struct opt_type *opt;
char *cmd;
struct keybind *k;
/* [keys] */
sec = fetch_section_first(NULL, "keys");
ks = fetch_section(sec, "key");
n = fetch_section_count(ks);
SLIST_INIT(&W->h.keybind);
/* [key] */
for(i = 0; i < n; ++i)
{
k = (struct keybind*)xcalloc(1, sizeof(struct keybind));
/* mod = {} */
opt = fetch_opt(ks[i], "", "mod");
for(j = k->mod = 0; j < fetch_opt_count(opt); ++j)
k->mod |= modkey_keysym(opt[j].str);
free(opt);
/* key = */
k->keysym = XStringToKeysym(fetch_opt_first(ks[i], "None", "key").str);
/* func = */
if(!(k->func = uicb_name_func(fetch_opt_first(ks[i], "", "func").str)))
{
warnxl("configuration: Unknown Function \"%s\".",
fetch_opt_first(ks[i], "", "func").str);
k->func = uicb_spawn;
}
/* cmd = */
if((cmd = fetch_opt_first(ks[i], "", "cmd").str))
k->cmd = xstrdup(cmd);
SLIST_INSERT_HEAD(&W->h.keybind, k, next);
}
wmfs_grab_keys();
free(ks);
}