/*
* ModuleConfig handles commands starting with "*".
*
* Each command is added to a list from which modules request playback
* thru "sendconfig".
*
* Some modules request that module config commands be sent to them
* as the commands are entered. Send to modules that want it.
*/
void ModuleConfig(char *action)
{
int end;
fmodule_list_itr moditr;
fmodule *module;
struct moduleInfoList *new_entry;
end = strlen(action) - 1;
if (action[end] == '\n')
action[end] = '\0';
/* save for config request */
new_entry = AddToModList(action);
/* look at all possible pipes */
module_list_itr_init(&moditr);
while ( (module = module_list_itr_next(&moditr)) != NULL)
{
if (IS_MESSAGE_SELECTED(module, M_SENDCONFIG))
{
/* module wants config cmds */
char *name = MOD_NAME(module);
if (MOD_ALIAS(module))
{
name = MOD_ALIAS(module);
}
SendConfigToModule(
module, new_entry, CatString2("*", name), 0);
}
}
return;
}
static struct moduleInfoList *AddToModList(char *tline)
{
struct moduleInfoList *t, *prev, *this;
char *rline = tline;
char *alias_end = skipModuleAliasToken(tline + 1);
/* Find end of list */
t = modlistroot;
prev = NULL;
while(t != NULL)
{
prev = t;
t = t->next;
}
this = (struct moduleInfoList *)safemalloc(
sizeof(struct moduleInfoList));
this->alias_len = 0;
if (alias_end && alias_end[0] == MODULE_CONFIG_DELIM)
{
/* migo (01-Sep-2000): construct an old-style config line */
char *conf_start = alias_end + 1;
while (isspace(*conf_start)) conf_start++;
*alias_end = '\0';
rline = CatString2(tline, conf_start);
*alias_end = MODULE_CONFIG_DELIM;
this->alias_len = alias_end - tline;
}
this->data = (char *)safemalloc(strlen(rline)+1);
strcpy(this->data, rline);
this->next = NULL;
if(prev == NULL)
{
modlistroot = this;
}
else
{
prev->next = this;
}
return this;
}
int main(int argc, char **argv)
{
char *temp, *s;
commands = (CommandChain*)safemalloc(sizeof(CommandChain));
commands->first = commands->last = NULL;
/* Save the program name for error messages and config parsing */
temp = argv[0];
s = strrchr(argv[0], '/');
if (s != NULL)
{
temp = s + 1;
}
Module = temp;
configPrefix = CatString2("*", Module);
if ((argc != 6) && (argc != 7))
{
fprintf(stderr,
"%s Version %s should only be executed by fvwm!\n",
Module, VERSION);
exit(1);
}
fvwm_fd[0] = atoi(argv[1]);
fvwm_fd[1] = atoi(argv[2]);
/* Grab the X display information now. */
dpy = XOpenDisplay(displayName);
if (!dpy)
{
fprintf(stderr, "%s: unable to open display '%s'\n",
Module, XDisplayName (displayName));
exit (2);
}
screen = DefaultScreen(dpy);
root = RootWindow(dpy, screen);
MyDisplayHeight = DisplayHeight(dpy, screen);
MyDisplayWidth = DisplayWidth(dpy, screen);
XSetErrorHandler(ErrorHandler);
flib_init_graphics(dpy);
XA_XSETROOT_ID = XInternAtom(dpy, "_XSETROOT_ID", False);
XA_ESETROOT_PMAP_ID = XInternAtom(dpy, "ESETROOT_PMAP_ID", False);
XA_XROOTPMAP_ID = XInternAtom(dpy, "_XROOTPMAP_ID", False);
signal (SIGPIPE, DeadPipe);
/* Parse the config file */
ParseConfig();
SetMessageMask(fvwm_fd,
M_NEW_PAGE | M_NEW_DESK | M_CONFIG_INFO |
M_END_CONFIG_INFO | M_SENDCONFIG);
/*
** we really only want the current desk/page, and window list sends it
*/
SendInfo(fvwm_fd, "Send_WindowList", 0);
/* tell fvwm we're running */
SendFinishedStartupNotification(fvwm_fd);
/* Recieve all messages from fvwm */
EndLessLoop();
/* Should never get here! */
return 1;
}
/*
* delete from module configuration
*/
void CMD_DestroyModuleConfig(F_CMD_ARGS)
{
struct moduleInfoList *current, *next, *prev;
char *info; /* info to be deleted - may contain wildcards */
char *mi;
char *alias_end;
int alias_len = 0;
while (isspace(*action))
{
action++;
}
alias_end = skipModuleAliasToken(action);
if (alias_end && alias_end[0] == MODULE_CONFIG_DELIM)
{
/* migo: construct an old-style config line */
char *conf_start = alias_end + 1;
while (isspace(*conf_start)) conf_start++;
*alias_end = '\0';
GetNextToken(conf_start, &conf_start);
if (conf_start == NULL)
{
return;
}
info = stripcpy(CatString2(action, conf_start));
*alias_end = MODULE_CONFIG_DELIM;
/* +1 for a leading '*' */
alias_len = alias_end - action + 1;
free(conf_start);
}
else
{
GetNextToken(action, &info);
if (info == NULL)
{
return;
}
}
current = modlistroot;
prev = NULL;
while (current != NULL)
{
GetNextToken(current->data, &mi);
next = current->next;
if ((!alias_len || !current->alias_len ||
alias_len == current->alias_len) &&
matchWildcards(info, mi+1))
{
free(current->data);
free(current);
if( prev )
{
prev->next = next;
}
else
{
modlistroot = next;
}
}
else
{
prev = current;
}
current = next;
if (mi)
{
free(mi);
}
}
free(info);
return;
}
/*
*
* Procedure:
* main - start of module
*
*/
int
main(int argc, char **argv)
{
/* The struct holding the module info */
static ModuleArgs* module;
char *enter_fn="Silent Raise"; /* default */
char *leave_fn=NULL;
char *buf;
int len;
unsigned long m_mask;
unsigned long mx_mask;
unsigned long last_win = 0; /* last window handled */
unsigned long focus_win = 0; /* current focus */
unsigned long raised_win = 0;
fd_set_size_t fd_width;
int fd[2];
int timeout;
int sec = 0;
int usec = 0;
int n;
struct timeval value;
struct timeval *delay;
fd_set in_fdset;
Bool do_pass_id = False;
Bool use_enter_mode = False;
Bool use_leave_mode = False;
#ifdef DEBUG
int count = 0;
#endif
#ifdef DEBUGTOFILE
freopen(".FvwmAutoDebug","w",stderr);
#endif
module = ParseModuleArgs(argc,argv,0); /* no alias in this module */
if (module==NULL)
{
fprintf(stderr,"FvwmAuto Version "VERSION" should only be executed by fvwm!\n");
exit(1);
}
if (module->user_argc < 1 || module->user_argc > 5)
{
fprintf(stderr,"FvwmAuto can use one to five arguments.\n");
exit(1);
}
/* Dead pipes mean fvwm died */
#ifdef HAVE_SIGACTION
{
struct sigaction sigact;
sigemptyset(&sigact.sa_mask);
sigaddset(&sigact.sa_mask, SIGPIPE);
sigaddset(&sigact.sa_mask, SIGINT);
sigaddset(&sigact.sa_mask, SIGHUP);
sigaddset(&sigact.sa_mask, SIGQUIT);
sigaddset(&sigact.sa_mask, SIGTERM);
#ifdef SA_RESTART
sigact.sa_flags = SA_RESTART;
# else
sigact.sa_flags = 0;
#endif
sigact.sa_handler = TerminateHandler;
sigaction(SIGPIPE, &sigact, NULL);
sigaction(SIGINT, &sigact, NULL);
sigaction(SIGHUP, &sigact, NULL);
sigaction(SIGQUIT, &sigact, NULL);
sigaction(SIGTERM, &sigact, NULL);
}
#else
/* We don't have sigaction(), so fall back to less robust methods. */
#ifdef USE_BSD_SIGNALS
fvwmSetSignalMask( sigmask(SIGPIPE) |
sigmask(SIGINT) |
sigmask(SIGHUP) |
sigmask(SIGQUIT) |
sigmask(SIGTERM) );
#endif
signal(SIGPIPE, TerminateHandler);
signal(SIGINT, TerminateHandler);
signal(SIGHUP, TerminateHandler);
signal(SIGQUIT, TerminateHandler);
signal(SIGTERM, TerminateHandler);
#ifdef HAVE_SIGINTERRUPT
siginterrupt(SIGPIPE, 0);
siginterrupt(SIGINT, 0);
siginterrupt(SIGHUP, 0);
siginterrupt(SIGQUIT, 0);
siginterrupt(SIGTERM, 0);
#endif
#endif
fd[0] = module->to_fvwm;
fd[1] = module->from_fvwm;
if ((timeout = atoi(module->user_argv[0]) ))
{
sec = timeout / 1000;
usec = (timeout % 1000) * 1000;
}
else
{
sec = 0;
usec = 1000;
}
delay = &value;
n = 1;
if (n < module->user_argc && module->user_argv[n])
{
char *token;
/* -passid option */
if (n < module->user_argc && *module->user_argv[n] && StrEquals(module->user_argv[n], "-passid"))
{
do_pass_id = True;
n++;
}
if (n < module->user_argc && *module->user_argv[n] && StrEquals(module->user_argv[n], "-menterleave"))
{
/* enterleave mode */
use_leave_mode = True;
use_enter_mode = True;
n++;
}
else if (n < module->user_argc && *module->user_argv[n] && StrEquals(module->user_argv[n], "-menter"))
{
/* enter mode */
use_leave_mode = False;
use_enter_mode = True;
n++;
}
else if (n < module->user_argc && *module->user_argv[n] && StrEquals(module->user_argv[n], "-mfocus"))
{
/* focus mode */
use_leave_mode = False;
use_enter_mode = False;
n++;
}
/*** enter command ***/
if (n < module->user_argc && *module->user_argv[n] && StrEquals(module->user_argv[n], "Nop"))
{
/* nop */
enter_fn = NULL;
n++;
}
else if (n < module->user_argc)
{
/* override default */
enter_fn = module->user_argv[n];
n++;
}
/* This is a hack to prevent user interaction with old configs.
*/
if (enter_fn)
{
token = PeekToken(enter_fn, NULL);
if (!StrEquals(token, "Silent"))
{
enter_fn = safestrdup(
CatString2("Silent ", enter_fn));
}
}
/*** leave command ***/
if (n < module->user_argc && module->user_argv[n] && *module->user_argv[n] &&
StrEquals(module->user_argv[n], "Nop"))
{
/* nop */
leave_fn = NULL;
n++;
}
else if (n < module->user_argc)
{
/* leave function specified */
leave_fn=module->user_argv[n];
n++;
}
if (leave_fn)
{
token = PeekToken(leave_fn, NULL);
if (!StrEquals(token, "Silent"))
{
leave_fn = safestrdup(
CatString2("Silent ", leave_fn));
}
}
}
/* Exit if nothing to do. */
if (!enter_fn && !leave_fn)
{
return -1;
}
if (use_enter_mode)
{
m_mask = 0;
mx_mask = MX_ENTER_WINDOW | MX_LEAVE_WINDOW | M_EXTENDED_MSG;
}
else
{
mx_mask = M_EXTENDED_MSG;
m_mask = M_FOCUS_CHANGE;
}
/* Disable special raise/lower support on general actions. *
* This works as expected in most of cases. */
if (matchWildcards("*Raise*", CatString2(enter_fn, leave_fn)) ||
matchWildcards("*Lower*", CatString2(enter_fn, leave_fn)))
{
m_mask |= M_RAISE_WINDOW | M_LOWER_WINDOW;
}
/* migo (04/May/2000): It is simply incorrect to listen to raise/lower
* packets and change the state if the action itself has no raise/lower.
* Detecting whether to listen or not by the action name is good enough.
m_mask = M_FOCUS_CHANGE | M_RAISE_WINDOW | M_LOWER_WINDOW;
*/
SetMessageMask(fd, m_mask);
SetMessageMask(fd, mx_mask);
/* tell fvwm we're running */
SendFinishedStartupNotification(fd);
/* tell fvwm that we want to be lock on send */
SetSyncMask(fd, m_mask);
SetSyncMask(fd, mx_mask);
fd_width = fd[1] + 1;
FD_ZERO(&in_fdset);
/* create the command buffer */
len = 0;
if (enter_fn != 0)
{
len = strlen(enter_fn);
}
if (leave_fn != NULL)
{
len = max(len, strlen(leave_fn));
}
if (do_pass_id)
{
len += 32;
}
buf = safemalloc(len);
while (!isTerminated)
{
char raise_window_now;
static char have_new_window = 0;
FD_SET(fd[1], &in_fdset);
myfprintf(
(stderr, "\nstart %d (hnw = %d, usec = %d)\n", count++,
have_new_window, usec));
/* fill in struct - modified by select() */
delay->tv_sec = sec;
delay->tv_usec = usec;
#ifdef DEBUG
{
char tmp[32];
sprintf(tmp, "%d usecs", (delay) ?
(int)delay->tv_usec : -1);
myfprintf((stderr, "select: delay = %s\n",
(have_new_window) ? tmp : "infinite" ));
}
#endif
if (fvwmSelect(fd_width, &in_fdset, NULL, NULL,
(have_new_window) ? delay : NULL) == -1)
{
myfprintf(
(stderr, "select: error! (%s)\n",
strerror(errno)));
break;
}
raise_window_now = 0;
if (FD_ISSET(fd[1], &in_fdset))
{
FvwmPacket *packet = ReadFvwmPacket(fd[1]);
if (packet == NULL)
{
myfprintf(
(stderr,
"Leaving because of null packet\n"));
break;
}
myfprintf(
(stderr,
"pw = 0x%x, fw=0x%x, rw = 0x%x, lw=0x%x\n",
(int)packet->body[0], (int)focus_win,
(int)raised_win, (int)last_win));
switch (packet->type)
{
case MX_ENTER_WINDOW:
focus_win = packet->body[0];
if (focus_win != raised_win)
{
myfprintf((stderr,
"entered new window\n"));
have_new_window = 1;
raise_window_now = 0;
}
else if (focus_win == last_win)
{
have_new_window = 0;
}
else
{
myfprintf((stderr,
"entered other window\n"));
}
break;
case MX_LEAVE_WINDOW:
if (use_leave_mode)
{
if (focus_win == raised_win)
{
focus_win = 0;
}
myfprintf((stderr,
"left raised window\n"));
have_new_window = 1;
raise_window_now = 0;
}
break;
case M_FOCUS_CHANGE:
/* it's a focus package */
focus_win = packet->body[0];
if (focus_win != raised_win)
{
myfprintf((stderr,
"focus on new window\n"));
have_new_window = 1;
raise_window_now = 0;
}
else
{
myfprintf((stderr,
"focus on old window\n"));
}
break;
case M_RAISE_WINDOW:
myfprintf(
(stderr, "raise packet 0x%x\n",
(int)packet->body[0]));
raised_win = packet->body[0];
if (have_new_window && focus_win == raised_win)
{
myfprintf(
(stderr, "its the old window:"
" don't raise\n"));
have_new_window = 0;
}
break;
case M_LOWER_WINDOW:
myfprintf(
(stderr, "lower packet 0x%x\n",
(int)packet->body[0]));
if (have_new_window &&
focus_win == packet->body[0])
{
myfprintf(
(stderr,
"window was explicitly"
" lowered, don't raise it"
" again\n"));
have_new_window = 0;
}
break;
} /* switch */
SendUnlockNotification(fd);
}
else
{
if (have_new_window)
{
myfprintf((stderr, "must raise now\n"));
raise_window_now = 1;
}
}
if (raise_window_now)
{
myfprintf((stderr, "raising 0x%x\n", (int)focus_win));
if (leave_fn &&
((last_win && !use_leave_mode) ||
(raised_win && use_enter_mode)))
{
/* if focus_win isn't the root */
if (do_pass_id)
{
sprintf(buf, "%s 0x%x\n", leave_fn,
(int)last_win);
}
else
{
sprintf(buf, "%s\n", leave_fn);
}
SendInfo(fd, buf, last_win);
if (use_enter_mode)
{
raised_win = 0;
}
}
if (focus_win && enter_fn)
{
/* if focus_win isn't the root */
if (do_pass_id)
{
sprintf(buf, "%s 0x%x\n", enter_fn,
(int)focus_win);
}
else
{
sprintf(buf, "%s\n", enter_fn);
}
SendInfo(fd, buf, focus_win);
raised_win = focus_win;
}
else if (focus_win && enter_fn == NULL)
{
raised_win = focus_win;
}
/* force fvwm to synchronise on slow X connections to
* avoid a race condition. Still possible, but much
* less likely. */
SendInfo(fd, "XSync", focus_win);
/* switch to wait mode again */
last_win = focus_win;
have_new_window = 0;
}
} /* while */
return 0;
}
static
char *translit_csname(char *cs)
{
return CatString2(cs, TRANSLIT_SUFFIX);
}
