4 * ROX-Filer, filer for the ROX desktop project
5 * Copyright (C) 2005, the ROX-Filer team.
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the Free
9 * Software Foundation; either version 2 of the License, or (at your option)
12 * This program is distributed in the hope that it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
17 * You should have received a copy of the GNU General Public License along with
18 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
19 * Place, Suite 330, Boston, MA 02111-1307 USA
22 /* main.c - parses command-line options and parameters, plus some global
25 * New to the code and feeling lost? Read global.h now.
32 #include <sys/types.h>
40 #include <libxml/parser.h>
42 #ifdef HAVE_GETOPT_LONG
47 #include <gdk/gdkx.h> /* For rox_x_error */
53 #include "gui_support.h"
74 #include "minibuffer.h"
77 int number_of_windows
= 0; /* Quit when this reaches 0 again... */
78 int to_wakeup_pipe
= -1; /* Write here to get noticed */
80 /* Information about the ROX-Filer process */
83 int ngroups
; /* Number of supplemental groups */
84 gid_t
*supplemental_groups
= NULL
;
86 /* Message to display at the top of each filer window */
87 const gchar
*show_user_message
= NULL
;
90 const char *home_dir
, *app_dir
;
92 GtkTooltips
*tooltips
= NULL
;
95 N_("Copyright (C) 2005 Thomas Leonard.\n" \
96 "ROX-Filer comes with ABSOLUTELY NO WARRANTY,\n" \
97 "to the extent permitted by law.\n" \
98 "You may redistribute copies of ROX-Filer\n" \
99 "under the terms of the GNU General Public License.\n" \
100 "For more information about these matters, " \
101 "see the file named COPYING.\n")
103 #ifdef HAVE_GETOPT_LONG
104 # define USAGE N_("Try `ROX-Filer/AppRun --help' for more information.\n")
105 # define SHORT_ONLY_WARNING ""
107 # define USAGE N_("Try `ROX-Filer/AppRun -h' for more information.\n")
108 # define SHORT_ONLY_WARNING \
109 _("NOTE: Your system does not support long options - \n" \
110 "you must use the short versions instead.\n\n")
113 #define BUGS_TO "<rox-devel@lists.sourceforge.net>"
115 #define HELP N_("Usage: ROX-Filer/AppRun [OPTION]... [FILE]...\n" \
116 "Open each directory or file listed, or the current working\n" \
117 "directory if no arguments are given.\n\n" \
118 " -b, --bottom=PANEL open PAN as a bottom-edge panel\n" \
119 " -c, --client-id=ID used for session management\n" \
120 " -d, --dir=DIR open DIR as directory (not application)\n" \
121 " -D, --close=DIR close DIR and its subdirectories\n" \
122 " -h, --help display this help and exit\n" \
123 " -l, --left=PANEL open PAN as a left-edge panel\n" \
124 " -m, --mime-type=FILE print MIME type of FILE and exit\n" \
125 " -n, --new start new copy; for debugging the filer\n" \
126 " -p, --pinboard=PIN use pinboard PIN as the pinboard\n" \
127 " -r, --right=PANEL open PAN as a right-edge panel\n" \
128 " -R, --RPC invoke method call read from stdin\n" \
129 " -s, --show=FILE open a directory showing FILE\n" \
130 " -t, --top=PANEL open PANEL as a top-edge panel\n" \
131 " -u, --user show user name in each window \n" \
132 " -v, --version display the version information and exit\n" \
133 " -x, --examine=FILE FILE has changed - re-examine it\n" \
134 "\nReport bugs to " BUGS_TO ".\n" \
135 "Home page (including updated versions): http://rox.sourceforge.net/\n")
137 #define SHORT_OPS "c:d:t:b:l:r:op:s:hvnux:m:D:R"
139 #ifdef HAVE_GETOPT_LONG
140 static struct option long_opts
[] =
142 {"dir", 1, NULL
, 'd'},
143 {"top", 1, NULL
, 't'},
144 {"bottom", 1, NULL
, 'b'},
145 {"left", 1, NULL
, 'l'},
146 {"override", 0, NULL
, 'o'},
147 {"pinboard", 1, NULL
, 'p'},
148 {"right", 1, NULL
, 'r'},
149 {"help", 0, NULL
, 'h'},
150 {"version", 0, NULL
, 'v'},
151 {"user", 0, NULL
, 'u'},
152 {"new", 0, NULL
, 'n'},
153 {"RPC", 0, NULL
, 'R'},
154 {"show", 1, NULL
, 's'},
155 {"examine", 1, NULL
, 'x'},
156 {"close", 1, NULL
, 'D'},
157 {"mime-type", 1, NULL
, 'm'},
158 {"client-id", 1, NULL
, 'c'},
163 /* Take control of panels away from WM? */
164 Option o_override_redirect
;
166 /* Always start a new filer, even if one seems to be already running */
167 gboolean new_copy
= FALSE
;
169 /* Maps child PIDs to Callback pointers */
170 static GHashTable
*death_callbacks
= NULL
;
171 static gboolean child_died_flag
= FALSE
;
173 Option o_dnd_no_hostnames
;
175 /* Static prototypes */
176 static void show_features(void);
177 static void soap_add(xmlNodePtr body
,
179 const xmlChar
*arg1_name
, const xmlChar
*arg1_value
,
180 const xmlChar
*arg2_name
, const xmlChar
*arg2_value
);
181 static void child_died(int signum
);
182 static void child_died_callback(void);
183 static void wake_up_cb(gpointer data
, gint source
, GdkInputCondition condition
);
184 static void xrandr_size_change(GdkScreen
*screen
, gpointer user_data
);
186 /****************************************************************
187 * EXTERNAL INTERFACE *
188 ****************************************************************/
190 /* The value that goes with an option */
191 #define VALUE (*optarg == '=' ? optarg + 1 : optarg)
193 static int rox_x_error(Display
*display
, XErrorEvent
*error
)
197 XGetErrorText(display
, error
->error_code
, buf
, 63);
199 g_warning ("The program '%s' received an X Window System error.\n"
200 "This probably reflects a bug in the program.\n"
201 "The error was '%s'.\n"
202 " (Details: serial %ld error_code %d request_code %d minor_code %d)\n"
203 " (Note to programmers: normally, X errors are reported asynchronously;\n"
204 " that is, you will receive the error a while after causing it.\n"
205 " To debug your program, run it with the --sync command line\n"
206 " option to change this behavior. You can then get a meaningful\n"
207 " backtrace from your debugger.)",
218 /* Parses the command-line to work out what the user wants to do.
219 * Tries to send the request to an already-running copy of the filer.
220 * If that fails, it initialises all the other modules and executes the
223 int main(int argc
, char **argv
)
227 struct sigaction act
;
229 gchar
*client_id
= NULL
;
230 gboolean show_user
= FALSE
;
231 xmlDocPtr rpc
, soap_rpc
= NULL
, reply
;
234 home_dir
= g_get_home_dir();
235 home_dir_len
= strlen(home_dir
);
236 app_dir
= g_strdup(getenv("APP_DIR"));
238 /* Get internationalisation up and running. This requires the
239 * choices system, to discover the user's preferred language.
246 #ifdef HAVE_GNOME_VFS
247 if (!gnome_vfs_init())
248 g_warning("Failed to init gnomevfs!");
253 g_warning("APP_DIR environment variable was unset!\n"
254 "Use the AppRun script to invoke ROX-Filer...\n");
255 app_dir
= g_get_current_dir();
260 /* Don't pass it on to our child processes... */
265 /* Sometimes we want to take special action when a child
266 * process exits. This hash table is used to convert the
267 * child's PID to the callback function.
269 death_callbacks
= g_hash_table_new(NULL
, NULL
);
271 /* Find out some information about ourself */
274 ngroups
= getgroups(0, NULL
);
277 else if (ngroups
> 0)
279 supplemental_groups
= g_malloc(sizeof(gid_t
) * ngroups
);
280 getgroups(ngroups
, supplemental_groups
);
283 if (argc
== 2 && strcmp(argv
[1], "-v") == 0)
285 /* This is used by install.sh to test if the filer
286 * compiled OK. Do this test before gtk_init so that
287 * we don't need an X server to install.
289 g_print("ROX-Filer %s\n", VERSION
);
295 option_add_int(&o_override_redirect
, "override_redirect", FALSE
);
297 /* The idea here is to convert the command-line arguments
299 * We attempt to invoke the call on an already-running copy of
300 * the filer if possible, or execute it ourselves if not.
302 rpc
= soap_new(&body
);
304 /* Note: must do this before checking our options,
305 * otherwise we report an error for Gtk's options.
307 gtk_init(&argc
, &argv
);
308 /* Set a default style for the collection widget */
309 gtk_rc_parse_string("style \"rox-default-collection-style\" {\n"
310 " bg[NORMAL] = \"#f3f3f3\"\n"
311 " fg[NORMAL] = \"#000000\"\n"
312 " bg[INSENSITIVE] = \"#bfbfbf\"\n"
313 " fg[INSENSITIVE] = \"#000000\"\n"
315 "style \"rox-default-pinboard-style\" {\n"
316 " bg[NORMAL] = \"#666666\"\n"
318 "widget \"rox-pinboard\" style : gtk "
319 "\"rox-default-pinboard-style\"\n"
321 "class \"Collection\" style : gtk "
322 "\"rox-default-collection-style\"\n");
324 g_signal_connect(gdk_screen_get_default(), "size-changed",
325 G_CALLBACK(xrandr_size_change
), NULL
);
327 /* Process each option in turn */
331 #ifdef HAVE_GETOPT_LONG
333 c
= getopt_long(argc
, argv
, SHORT_OPS
,
334 long_opts
, &long_index
);
336 c
= getopt(argc
, argv
, SHORT_OPS
);
340 break; /* No more options */
348 info_message(_("The -o argument is no longer "
349 "used. You can turn on override "
350 "redirect from the Options box "
354 g_print("ROX-Filer %s\n", VERSION
);
355 g_print("%s", _(COPYING
));
359 g_print("%s", _(HELP
));
360 g_print("%s", _(SHORT_ONLY_WARNING
));
365 /* Argument is a path */
366 if (c
== 'd' && VALUE
[0] == '/')
367 tmp
= g_strdup(VALUE
);
369 tmp
= pathdup(VALUE
);
371 c
== 'D' ? "CloseDir" :
372 c
== 'd' ? "OpenDir" :
373 c
== 'x' ? "Examine" : "Unknown",
379 tmp
= g_path_get_dirname(VALUE
);
386 soap_add(body
, "Show",
387 "Directory", dir
? dir
: tmp
,
388 "Leafname", g_basename(VALUE
));
396 /* Argument is a leaf (or starts with /) */
397 soap_add(body
, "Panel", "Name", VALUE
,
398 "Side", c
== 'l' ? "Left" :
401 c
== 'b' ? "Bottom" :
405 soap_add(body
, "Pinboard",
406 "Name", VALUE
, NULL
, NULL
);
417 type
= type_get_type(VALUE
);
418 printf("%s/%s\n", type
->media_type
,
423 client_id
= g_strdup(VALUE
);
426 soap_rpc
= xmlParseFile("-");
428 g_error("Invalid XML in RPC");
436 tooltips
= gtk_tooltips_new();
438 if (euid
== 0 || show_user
)
439 show_user_message
= g_strdup_printf(_("Running as user '%s'"),
442 /* Add each remaining (non-option) argument to the list of files
448 tmp
= pathdup(argv
[i
++]);
450 soap_add(body
, "Run", "Filename", tmp
, NULL
, NULL
);
457 if (body
->xmlChildrenNode
)
458 g_error("Can't use -R with other options - sorry!");
463 else if (!body
->xmlChildrenNode
)
465 /* The user didn't request any action. Open the current
470 dir
= g_get_current_dir();
471 soap_add(body
, "OpenDir", "Filename", dir
, NULL
, NULL
);
475 option_add_int(&o_dnd_no_hostnames
, "dnd_no_hostnames", 1);
477 /* Try to send the request to an already-running copy of the filer */
479 if (remote_init(rpc
, new_copy
))
480 return EXIT_SUCCESS
; /* It worked - exit */
482 /* Put ourselves into the background (so 'rox' always works the
483 * same, whether we're already running or not).
484 * Not for -n, though (helps when debugging).
493 _exit(0); /* Parent exits */
494 /* Otherwise we're the child (or an error occurred - ignore
498 /* Close stdin. We don't need it, and it can cause problems if
499 * a child process wants a password, etc...
501 fd
= open("/dev/null", O_RDONLY
);
510 /* Initialize the rest of the filer... */
530 /* Let everyone update */
533 /* When we get a signal, we can't do much right then. Instead,
534 * we send a char down this pipe, which causes the main loop to
535 * deal with the event next time we're idle.
538 close_on_exec(wakeup_pipe
[0], TRUE
);
539 close_on_exec(wakeup_pipe
[1], TRUE
);
540 gdk_input_add_full(wakeup_pipe
[0], GDK_INPUT_READ
, wake_up_cb
,
542 to_wakeup_pipe
= wakeup_pipe
[1];
544 /* If the pipe is full then we're going to get woken up anyway... */
545 set_blocking(to_wakeup_pipe
, FALSE
);
547 /* Let child processes die */
548 act
.sa_handler
= child_died
;
549 sigemptyset(&act
.sa_mask
);
550 act
.sa_flags
= SA_NOCLDSTOP
;
551 sigaction(SIGCHLD
, &act
, NULL
);
553 /* Ignore SIGPIPE - check for EPIPE errors instead */
554 act
.sa_handler
= SIG_IGN
;
555 sigemptyset(&act
.sa_mask
);
557 sigaction(SIGPIPE
, &act
, NULL
);
559 /* Set up session managament if available */
560 session_init(client_id
);
563 /* Finally, execute the request */
564 reply
= run_soap(rpc
);
568 /* Write the result, if any, to stdout */
569 save_xml_file(reply
, "-");
573 /* Try to find out why we crash with GTK 2.4 */
574 XSetErrorHandler(rox_x_error
);
576 /* Enter the main loop, processing events until all our windows
579 if (number_of_windows
> 0)
585 /* Register a function to be called when process number 'child' dies. */
586 void on_child_death(gint child
, CallbackFn callback
, gpointer data
)
590 g_return_if_fail(callback
!= NULL
);
592 cb
= g_new(Callback
, 1);
594 cb
->callback
= callback
;
597 g_hash_table_insert(death_callbacks
, GINT_TO_POINTER(child
), cb
);
600 void one_less_window(void)
602 if (--number_of_windows
< 1)
606 /****************************************************************
607 * INTERNAL FUNCTIONS *
608 ****************************************************************/
610 static void show_features(void)
613 g_print(_("Compiled with GTK version %s\n"), GTK_VERSION
);
614 g_print(_("Running with GTK version %d.%d.%d\n"),
618 g_print("\n-- %s --\n\n", _("features set at compile time"));
619 g_print("%s... %s\n", _("Large File Support"),
620 #ifdef LARGE_FILE_SUPPORT
626 g_print("%s... %s\n", _("GNOME-VFS library"),
627 # ifdef HAVE_GNOME_VFS
630 _("No (need 2.8.0 or later)")
633 g_print("%s... %s\n", _("Dnotify support"),
640 g_print("%s... %s\n", _("Binary compatibility"),
641 #if defined(HAVE_APSYMBOLS_H) || defined(HAVE_APBUILD_APSYMBOLS_H)
642 _("Yes (can run with older glibc versions)")
644 _("No (apsymbols.h not found)")
649 static void soap_add(xmlNodePtr body
,
651 const xmlChar
*arg1_name
, const xmlChar
*arg1_value
,
652 const xmlChar
*arg2_name
, const xmlChar
*arg2_value
)
657 rox
= xmlSearchNsByHref(body
->doc
, body
, ROX_NS
);
659 node
= xmlNewChild(body
, rox
, function
, NULL
);
663 xmlNewTextChild(node
, rox
, arg1_name
, arg1_value
);
665 xmlNewTextChild(node
, rox
, arg2_name
, arg2_value
);
669 /* This is called as a signal handler; simply ensures that
670 * child_died_callback() will get called later.
672 static void child_died(int signum
)
674 child_died_flag
= TRUE
;
675 write(to_wakeup_pipe
, "\0", 1); /* Wake up! */
678 static void child_died_callback(void)
683 child_died_flag
= FALSE
;
685 /* Find out which children exited and allow them to die */
690 child
= waitpid(-1, &status
, WNOHANG
);
692 if (child
== 0 || child
== -1)
695 cb
= g_hash_table_lookup(death_callbacks
,
696 GINT_TO_POINTER(child
));
699 cb
->callback(cb
->data
);
700 g_hash_table_remove(death_callbacks
,
701 GINT_TO_POINTER(child
));
708 /* When data is written to_wakeup_pipe, this gets called from the event
709 * loop some time later. Useful for getting out of signal handlers, etc.
711 static void wake_up_cb(gpointer data
, gint source
, GdkInputCondition condition
)
715 read(source
, buf
, BUFLEN
);
718 child_died_callback();
725 static void xrandr_size_change(GdkScreen
*screen
, gpointer user_data
)
727 gui_store_screen_geometry(screen
);
730 pinboard_update_size();