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>
41 #include <libxml/parser.h>
43 #ifdef HAVE_GETOPT_LONG
48 #include <gdk/gdkx.h> /* For rox_x_error */
54 #include "gui_support.h"
75 #include "minibuffer.h"
78 int number_of_windows
= 0; /* Quit when this reaches 0 again... */
79 int to_wakeup_pipe
= -1; /* Write here to get noticed */
81 /* Information about the ROX-Filer process */
84 int ngroups
; /* Number of supplemental groups */
85 gid_t
*supplemental_groups
= NULL
;
87 /* Message to display at the top of each filer window */
88 const gchar
*show_user_message
= NULL
;
91 const char *home_dir
, *app_dir
;
93 GtkTooltips
*tooltips
= NULL
;
96 N_("Copyright (C) 2005 Thomas Leonard.\n" \
97 "ROX-Filer comes with ABSOLUTELY NO WARRANTY,\n" \
98 "to the extent permitted by law.\n" \
99 "You may redistribute copies of ROX-Filer\n" \
100 "under the terms of the GNU General Public License.\n" \
101 "For more information about these matters, " \
102 "see the file named COPYING.\n")
104 #ifdef HAVE_GETOPT_LONG
105 # define USAGE N_("Try `ROX-Filer/AppRun --help' for more information.\n")
106 # define SHORT_ONLY_WARNING ""
108 # define USAGE N_("Try `ROX-Filer/AppRun -h' for more information.\n")
109 # define SHORT_ONLY_WARNING \
110 _("NOTE: Your system does not support long options - \n" \
111 "you must use the short versions instead.\n\n")
114 #define BUGS_TO "<rox-devel@lists.sourceforge.net>"
116 #define HELP N_("Usage: ROX-Filer/AppRun [OPTION]... [FILE]...\n" \
117 "Open each directory or file listed, or the current working\n" \
118 "directory if no arguments are given.\n\n" \
119 " -b, --border=PANEL open PANEL as a border panel\n" \
120 " -b, --bottom=PANEL open PAN as a bottom-edge panel\n" \
121 " -c, --client-id=ID used for session management\n" \
122 " -d, --dir=DIR open DIR as directory (not application)\n" \
123 " -D, --close=DIR close DIR and its subdirectories\n" \
124 " -h, --help display this help and exit\n" \
125 " -l, --left=PANEL open PAN as a left-edge panel\n" \
126 " -m, --mime-type=FILE print MIME type of FILE and exit\n" \
127 " -n, --new start new copy; for debugging the filer\n" \
128 " -p, --pinboard=PIN use pinboard PIN as the pinboard\n" \
129 " -r, --right=PANEL open PAN as a right-edge panel\n" \
130 " -R, --RPC invoke method call read from stdin\n" \
131 " -s, --show=FILE open a directory showing FILE\n" \
132 " -S, --rox-session use default panel and pinboard options, and -n\n"\
133 " -t, --top=PANEL open PANEL as a top-edge panel\n" \
134 " -u, --user show user name in each window \n" \
135 " -v, --version display the version information and exit\n" \
136 " -x, --examine=FILE FILE has changed - re-examine it\n" \
137 "\nReport bugs to " BUGS_TO ".\n" \
138 "Home page (including updated versions): http://rox.sourceforge.net/\n")
140 #define SHORT_OPS "c:d:t:b:l:r:B:op:s:hvnux:m:D:RS"
142 #ifdef HAVE_GETOPT_LONG
143 static struct option long_opts
[] =
145 {"dir", 1, NULL
, 'd'},
146 {"top", 1, NULL
, 't'},
147 {"bottom", 1, NULL
, 'B'},
148 {"border", 1, NULL
, 'b'},
149 {"left", 1, NULL
, 'l'},
150 {"override", 0, NULL
, 'o'},
151 {"pinboard", 1, NULL
, 'p'},
152 {"right", 1, NULL
, 'r'},
153 {"help", 0, NULL
, 'h'},
154 {"version", 0, NULL
, 'v'},
155 {"user", 0, NULL
, 'u'},
156 {"new", 0, NULL
, 'n'},
157 {"RPC", 0, NULL
, 'R'},
158 {"show", 1, NULL
, 's'},
159 {"rox-session", 0, NULL
, 'S'},
160 {"examine", 1, NULL
, 'x'},
161 {"close", 1, NULL
, 'D'},
162 {"mime-type", 1, NULL
, 'm'},
163 {"client-id", 1, NULL
, 'c'},
168 /* Take control of panels away from WM? */
169 Option o_override_redirect
;
171 /* Options used when we are called by ROX-Session */
174 SESSION_PINBOARD_ONLY
,
177 Option o_session_panel_or_pin
;
178 Option o_session_panel_name
;
179 Option o_session_pinboard_name
;
181 /* Always start a new filer, even if one seems to be already running */
182 gboolean new_copy
= FALSE
;
184 /* Maps child PIDs to Callback pointers */
185 static GHashTable
*death_callbacks
= NULL
;
186 static gboolean child_died_flag
= FALSE
;
188 Option o_dnd_no_hostnames
;
190 /* Static prototypes */
191 static void show_features(void);
192 static void soap_add(xmlNodePtr body
,
194 const xmlChar
*arg1_name
, const xmlChar
*arg1_value
,
195 const xmlChar
*arg2_name
, const xmlChar
*arg2_value
);
196 static void child_died(int signum
);
197 static void child_died_callback(void);
198 static void wake_up_cb(gpointer data
, gint source
, GdkInputCondition condition
);
199 static void xrandr_size_change(GdkScreen
*screen
, gpointer user_data
);
200 static void add_default_panel_and_pinboard(xmlNodePtr body
);
202 /****************************************************************
203 * EXTERNAL INTERFACE *
204 ****************************************************************/
206 /* The value that goes with an option */
207 #define VALUE (*optarg == '=' ? optarg + 1 : optarg)
209 static int rox_x_error(Display
*display
, XErrorEvent
*error
)
213 XGetErrorText(display
, error
->error_code
, buf
, 63);
215 g_warning ("The program '%s' received an X Window System error.\n"
216 "This probably reflects a bug in the program.\n"
217 "The error was '%s'.\n"
218 " (Details: serial %ld error_code %d request_code %d minor_code %d)\n"
219 " (Note to programmers: normally, X errors are reported asynchronously;\n"
220 " that is, you will receive the error a while after causing it.\n"
221 " To debug your program, run it with the --sync command line\n"
222 " option to change this behavior. You can then get a meaningful\n"
223 " backtrace from your debugger.)",
231 /* Try to cope with BadWindow errors */
232 if (error
->error_code
== 3)
234 static time_t last_error
= 0;
238 if (last_error
+ 5 > now
)
239 abort(); /* Errors coming too fast... */
243 delayed_error(_("We got a BadWindow error from the X server. "
244 "This might be due to this GTK bug (during drag-and-drop?):\n"
245 "http://bugzilla.gnome.org/show_bug.cgi?id=152151\n"
246 "Trying to continue..."));
253 /* Parses the command-line to work out what the user wants to do.
254 * Tries to send the request to an already-running copy of the filer.
255 * If that fails, it initialises all the other modules and executes the
258 int main(int argc
, char **argv
)
262 struct sigaction act
;
264 gchar
*client_id
= NULL
;
265 gboolean show_user
= FALSE
;
266 xmlDocPtr rpc
, soap_rpc
= NULL
, reply
;
269 home_dir
= g_get_home_dir();
270 home_dir_len
= strlen(home_dir
);
271 app_dir
= g_strdup(getenv("APP_DIR"));
273 /* Get internationalisation up and running. This requires the
274 * choices system, to discover the user's preferred language.
281 #ifdef HAVE_GNOME_VFS
282 if (!gnome_vfs_init())
283 g_warning("Failed to init gnomevfs!");
288 g_warning("APP_DIR environment variable was unset!\n"
289 "Use the AppRun script to invoke ROX-Filer...\n");
290 app_dir
= g_get_current_dir();
295 /* Don't pass it on to our child processes... */
300 /* Sometimes we want to take special action when a child
301 * process exits. This hash table is used to convert the
302 * child's PID to the callback function.
304 death_callbacks
= g_hash_table_new(NULL
, NULL
);
306 /* Find out some information about ourself */
309 ngroups
= getgroups(0, NULL
);
312 else if (ngroups
> 0)
314 supplemental_groups
= g_malloc(sizeof(gid_t
) * ngroups
);
315 getgroups(ngroups
, supplemental_groups
);
318 if (argc
== 2 && strcmp(argv
[1], "-v") == 0)
320 /* This is used by install.sh to test if the filer
321 * compiled OK. Do this test before gtk_init so that
322 * we don't need an X server to install.
324 g_print("ROX-Filer %s\n", VERSION
);
330 option_add_int(&o_override_redirect
, "override_redirect", FALSE
);
332 option_add_int(&o_session_panel_or_pin
, "session_panel_or_pin",
334 option_add_string(&o_session_panel_name
, "session_panel_name",
336 option_add_string(&o_session_pinboard_name
, "session_pinboard_name",
339 /* The idea here is to convert the command-line arguments
341 * We attempt to invoke the call on an already-running copy of
342 * the filer if possible, or execute it ourselves if not.
344 rpc
= soap_new(&body
);
346 /* Note: must do this before checking our options,
347 * otherwise we report an error for Gtk's options.
349 gtk_init(&argc
, &argv
);
350 /* Set a default style for the collection widget */
351 gtk_rc_parse_string("style \"rox-default-collection-style\" {\n"
352 " bg[NORMAL] = \"#f3f3f3\"\n"
353 " fg[NORMAL] = \"#000000\"\n"
354 " bg[INSENSITIVE] = \"#bfbfbf\"\n"
355 " fg[INSENSITIVE] = \"#000000\"\n"
357 "style \"rox-default-pinboard-style\" {\n"
358 " bg[NORMAL] = \"#666666\"\n"
360 "widget \"rox-pinboard\" style : gtk "
361 "\"rox-default-pinboard-style\"\n"
363 "class \"Collection\" style : gtk "
364 "\"rox-default-collection-style\"\n");
366 g_signal_connect(gdk_screen_get_default(), "size-changed",
367 G_CALLBACK(xrandr_size_change
), NULL
);
369 /* Process each option in turn */
373 #ifdef HAVE_GETOPT_LONG
375 c
= getopt_long(argc
, argv
, SHORT_OPS
,
376 long_opts
, &long_index
);
378 c
= getopt(argc
, argv
, SHORT_OPS
);
382 break; /* No more options */
390 info_message(_("The -o argument is no longer "
391 "used. You can turn on override "
392 "redirect from the Options box "
396 g_print("ROX-Filer %s\n", VERSION
);
397 g_print("%s", _(COPYING
));
401 g_print("%s", _(HELP
));
402 g_print("%s", _(SHORT_ONLY_WARNING
));
407 /* Argument is a path */
408 if (c
== 'd' && VALUE
[0] == '/')
409 tmp
= g_strdup(VALUE
);
411 tmp
= pathdup(VALUE
);
413 c
== 'D' ? "CloseDir" :
414 c
== 'd' ? "OpenDir" :
415 c
== 'x' ? "Examine" : "Unknown",
421 tmp
= g_path_get_dirname(VALUE
);
428 soap_add(body
, "Show",
429 "Directory", dir
? dir
: tmp
,
430 "Leafname", g_basename(VALUE
));
438 /* Argument is a leaf (or starts with /) */
439 soap_add(body
, "Panel", "Name", VALUE
,
440 "Side", c
== 'l' ? "Left" :
443 c
== 'B' ? "Bottom" :
447 /* Argument is a leaf (or starts with /) */
449 soap_add(body
, "Panel", "Name", VALUE
,
452 soap_add(body
, "Panel",
457 soap_add(body
, "Pinboard",
458 "Name", VALUE
, NULL
, NULL
);
469 type
= type_get_type(VALUE
);
470 printf("%s/%s\n", type
->media_type
,
475 client_id
= g_strdup(VALUE
);
478 soap_rpc
= xmlParseFile("-");
480 g_error("Invalid XML in RPC");
485 add_default_panel_and_pinboard(body
);
494 tooltips
= gtk_tooltips_new();
496 if (euid
== 0 || show_user
)
497 show_user_message
= g_strdup_printf(_("Running as user '%s'"),
500 /* Add each remaining (non-option) argument to the list of files
506 tmp
= pathdup(argv
[i
++]);
508 soap_add(body
, "Run", "Filename", tmp
, NULL
, NULL
);
515 if (body
->xmlChildrenNode
)
516 g_error("Can't use -R with other options - sorry!");
521 else if (!body
->xmlChildrenNode
)
523 /* The user didn't request any action. Open the current
528 dir
= g_get_current_dir();
529 soap_add(body
, "OpenDir", "Filename", dir
, NULL
, NULL
);
533 option_add_int(&o_dnd_no_hostnames
, "dnd_no_hostnames", 1);
535 /* Try to send the request to an already-running copy of the filer */
537 if (remote_init(rpc
, new_copy
))
538 return EXIT_SUCCESS
; /* It worked - exit */
540 /* Put ourselves into the background (so 'rox' always works the
541 * same, whether we're already running or not).
542 * Not for -n, though (helps when debugging).
551 _exit(0); /* Parent exits */
552 /* Otherwise we're the child (or an error occurred - ignore
556 /* Close stdin. We don't need it, and it can cause problems if
557 * a child process wants a password, etc...
559 fd
= open("/dev/null", O_RDONLY
);
568 /* Initialize the rest of the filer... */
588 /* Let everyone update */
591 /* When we get a signal, we can't do much right then. Instead,
592 * we send a char down this pipe, which causes the main loop to
593 * deal with the event next time we're idle.
596 close_on_exec(wakeup_pipe
[0], TRUE
);
597 close_on_exec(wakeup_pipe
[1], TRUE
);
598 gdk_input_add_full(wakeup_pipe
[0], GDK_INPUT_READ
, wake_up_cb
,
600 to_wakeup_pipe
= wakeup_pipe
[1];
602 /* If the pipe is full then we're going to get woken up anyway... */
603 set_blocking(to_wakeup_pipe
, FALSE
);
605 /* Let child processes die */
606 act
.sa_handler
= child_died
;
607 sigemptyset(&act
.sa_mask
);
608 act
.sa_flags
= SA_NOCLDSTOP
;
609 sigaction(SIGCHLD
, &act
, NULL
);
611 /* Ignore SIGPIPE - check for EPIPE errors instead */
612 act
.sa_handler
= SIG_IGN
;
613 sigemptyset(&act
.sa_mask
);
615 sigaction(SIGPIPE
, &act
, NULL
);
617 /* Set up session managament if available */
618 session_init(client_id
);
621 /* See if we need to migrate the Choices directories*/
624 /* Finally, execute the request */
625 reply
= run_soap(rpc
);
629 /* Write the result, if any, to stdout */
630 save_xml_file(reply
, "-");
634 /* Try to find out why we crash with GTK 2.4 */
635 XSetErrorHandler(rox_x_error
);
637 /* Enter the main loop, processing events until all our windows
640 if (number_of_windows
> 0)
646 /* Register a function to be called when process number 'child' dies. */
647 void on_child_death(gint child
, CallbackFn callback
, gpointer data
)
651 g_return_if_fail(callback
!= NULL
);
653 cb
= g_new(Callback
, 1);
655 cb
->callback
= callback
;
658 g_hash_table_insert(death_callbacks
, GINT_TO_POINTER(child
), cb
);
661 void one_less_window(void)
663 if (--number_of_windows
< 1)
667 /****************************************************************
668 * INTERNAL FUNCTIONS *
669 ****************************************************************/
671 static void show_features(void)
674 g_print(_("Compiled with GTK version %s\n"), GTK_VERSION
);
675 g_print(_("Running with GTK version %d.%d.%d\n"),
679 g_print("\n-- %s --\n\n", _("features set at compile time"));
680 g_print("%s... %s\n", _("Large File Support"),
681 #ifdef LARGE_FILE_SUPPORT
687 g_print("%s... %s\n", _("GNOME-VFS library"),
688 # ifdef HAVE_GNOME_VFS
691 _("No (need 2.8.0 or later)")
694 g_print("%s... %s\n", _("Dnotify support"),
701 g_print("%s... %s\n", _("Binary compatibility"),
702 #if defined(HAVE_APSYMBOLS_H) || defined(HAVE_APBUILD_APSYMBOLS_H)
703 _("Yes (can run with older glibc versions)")
705 _("No (apsymbols.h not found)")
710 static void soap_add(xmlNodePtr body
,
712 const xmlChar
*arg1_name
, const xmlChar
*arg1_value
,
713 const xmlChar
*arg2_name
, const xmlChar
*arg2_value
)
718 rox
= xmlSearchNsByHref(body
->doc
, body
, ROX_NS
);
720 node
= xmlNewChild(body
, rox
, function
, NULL
);
724 xmlNewTextChild(node
, rox
, arg1_name
, arg1_value
);
726 xmlNewTextChild(node
, rox
, arg2_name
, arg2_value
);
730 /* This is called as a signal handler; simply ensures that
731 * child_died_callback() will get called later.
733 static void child_died(int signum
)
735 child_died_flag
= TRUE
;
736 write(to_wakeup_pipe
, "\0", 1); /* Wake up! */
739 static void child_died_callback(void)
744 child_died_flag
= FALSE
;
746 /* Find out which children exited and allow them to die */
751 child
= waitpid(-1, &status
, WNOHANG
);
753 if (child
== 0 || child
== -1)
756 cb
= g_hash_table_lookup(death_callbacks
,
757 GINT_TO_POINTER(child
));
760 cb
->callback(cb
->data
);
761 g_hash_table_remove(death_callbacks
,
762 GINT_TO_POINTER(child
));
769 /* When data is written to_wakeup_pipe, this gets called from the event
770 * loop some time later. Useful for getting out of signal handlers, etc.
772 static void wake_up_cb(gpointer data
, gint source
, GdkInputCondition condition
)
776 read(source
, buf
, BUFLEN
);
779 child_died_callback();
781 if (dnotify_wakeup_flag
)
786 static void xrandr_size_change(GdkScreen
*screen
, gpointer user_data
)
788 gui_store_screen_geometry(screen
);
791 pinboard_update_size();
794 static void add_default_panel_and_pinboard(xmlNodePtr body
)
798 if (o_session_panel_or_pin
.int_value
!= SESSION_PANEL_ONLY
)
800 name
=o_session_pinboard_name
.value
;
803 soap_add(body
, "Pinboard","Name", name
, NULL
, NULL
);
806 if (o_session_panel_or_pin
.int_value
!= SESSION_PINBOARD_ONLY
)
808 name
= o_session_panel_name
.value
;
812 soap_add(body
, "Panel", "Name", name
, NULL
, NULL
);