Fix incorrect call to fm_module_unregister_type() that lead to crash.
[lxde/pcmanfm.git] / src / pcmanfm.c
1 /*
2 * pcmanfm.c
3 *
4 * Copyright 2009 - 2010 Hong Jen Yee (PCMan) <pcman.tw@gmail.com>
5 * Copyright 2012-2014 Andriy Grytsenko (LStranger) <andrej@rep.kiev.ua>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
20 * MA 02110-1301, USA.
21 */
22
23 #ifdef HAVE_CONFIG_H
24 #include <config.h>
25 #endif
26
27 #include <gtk/gtk.h>
28 #include <gdk/gdkx.h>
29 #include <stdio.h>
30 #include <glib/gi18n.h>
31
32 #include <stdlib.h>
33 #include <string.h>
34 /* socket is used to keep single instance */
35 #include <sys/types.h>
36 #include <signal.h>
37 #include <unistd.h> /* for getcwd */
38
39 #include <libfm/fm-gtk.h>
40 #include "app-config.h"
41 #include "main-win.h"
42 #include "desktop.h"
43 #include "volume-manager.h"
44 #include "pref.h"
45 #include "pcmanfm.h"
46 #include "single-inst.h"
47
48 static int signal_pipe[2] = {-1, -1};
49 static gboolean daemon_mode = FALSE;
50 static gboolean first_run = TRUE;
51 static guint save_config_idle = 0;
52
53 static char** files_to_open = NULL;
54 static int n_files_to_open = 0;
55 static char* profile = NULL;
56 static gboolean no_desktop = FALSE;
57 static gboolean show_desktop = FALSE;
58 static gboolean desktop_off = FALSE;
59 static gboolean desktop_running = FALSE;
60 static gboolean one_screen = FALSE;
61 /* static gboolean new_tab = FALSE; */
62 static gint show_pref = -1;
63 static gboolean desktop_pref = FALSE;
64 static char* set_wallpaper = NULL;
65 static char* wallpaper_mode = NULL;
66 static gboolean new_win = FALSE;
67 #if FM_CHECK_VERSION(1, 0, 2)
68 static gboolean find_files = FALSE;
69 #endif
70 static char* ipc_cwd = NULL;
71 static char* window_role = NULL;
72
73 static int n_pcmanfm_ref = 0;
74
75 static GOptionEntry opt_entries[] =
76 {
77 /* options only acceptable by first pcmanfm instance. These options are not passed through IPC */
78 { "profile", 'p', 0, G_OPTION_ARG_STRING, &profile, N_("Name of configuration profile"), N_("PROFILE") },
79 { "daemon-mode", 'd', 0, G_OPTION_ARG_NONE, &daemon_mode, N_("Run PCManFM as a daemon"), NULL },
80 { "no-desktop", '\0', 0, G_OPTION_ARG_NONE, &no_desktop, N_("No function. Just to be compatible with nautilus"), NULL },
81
82 /* options that are acceptable for every instance of pcmanfm and will be passed through IPC. */
83 { "desktop", '\0', 0, G_OPTION_ARG_NONE, &show_desktop, N_("Launch desktop manager"), NULL },
84 { "desktop-off", '\0', 0, G_OPTION_ARG_NONE, &desktop_off, N_("Turn off desktop manager if it's running"), NULL },
85 { "desktop-pref", '\0', 0, G_OPTION_ARG_NONE, &desktop_pref, N_("Open desktop preference dialog"), NULL },
86 { "one-screen", '\0', 0, G_OPTION_ARG_NONE, &one_screen, N_("Use --desktop option only for one screen"), NULL },
87 { "set-wallpaper", 'w', 0, G_OPTION_ARG_FILENAME, &set_wallpaper, N_("Set desktop wallpaper from image FILE"), N_("FILE") },
88 /* don't translate list of modes in description, please */
89 { "wallpaper-mode", '\0', 0, G_OPTION_ARG_STRING, &wallpaper_mode, N_("Set mode of desktop wallpaper. MODE=(color|stretch|fit|crop|center|tile|screen)"), N_("MODE") },
90 { "show-pref", '\0', 0, G_OPTION_ARG_INT, &show_pref, N_("Open Preferences dialog on the page N"), N_("N") },
91 { "new-win", 'n', 0, G_OPTION_ARG_NONE, &new_win, N_("Open new window"), NULL },
92 #if FM_CHECK_VERSION(1, 0, 2)
93 { "find-files", 'f', 0, G_OPTION_ARG_NONE, &find_files, N_("Open a Find Files window"), NULL },
94 #endif
95 { "role", '\0', 0, G_OPTION_ARG_STRING, &window_role, N_("Window role for usage by window manager"), N_("ROLE") },
96 {G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &files_to_open, NULL, N_("[FILE1, FILE2,...]")},
97 { NULL }
98 };
99
100 static gboolean pcmanfm_run(gint screen_num);
101
102 /* it's not safe to call gtk+ functions in unix signal handler
103 * since the process is interrupted here and the state of gtk+ is unpredictable. */
104 static void unix_signal_handler(int sig_num)
105 {
106 /* postpond the signal handling by using a pipe */
107 if (write(signal_pipe[1], &sig_num, sizeof(sig_num)) != sizeof(sig_num)) {
108 g_critical("cannot bounce the signal, stop");
109 exit(2);
110 }
111 }
112
113 static gboolean on_unix_signal(GIOChannel* ch, GIOCondition cond, gpointer user_data)
114 {
115 int sig_num;
116 GIOStatus status;
117 gsize got;
118
119 while(1)
120 {
121 status = g_io_channel_read_chars(ch, (gchar*)&sig_num, sizeof(sig_num),
122 &got, NULL);
123 if(status == G_IO_STATUS_AGAIN) /* we read all the pipe */
124 {
125 g_debug("got G_IO_STATUS_AGAIN");
126 return TRUE;
127 }
128 if(status != G_IO_STATUS_NORMAL || got != sizeof(sig_num)) /* broken pipe */
129 {
130 g_debug("signal pipe is broken");
131 gtk_main_quit();
132 return FALSE;
133 }
134 g_debug("got signal %d from pipe", sig_num);
135 switch(sig_num)
136 {
137 case SIGTERM:
138 default:
139 gtk_main_quit();
140 return FALSE;
141 }
142 }
143 return TRUE;
144 }
145
146 static void single_inst_cb(const char* cwd, int screen_num)
147 {
148 g_free(ipc_cwd);
149 ipc_cwd = g_strdup(cwd);
150
151 if(files_to_open)
152 {
153 int i;
154 n_files_to_open = g_strv_length(files_to_open);
155 /* canonicalize filename if needed. */
156 for(i = 0; i < n_files_to_open; ++i)
157 {
158 char* file = files_to_open[i];
159 char* scheme = g_uri_parse_scheme(file);
160 g_debug("file: %s", file);
161 if(scheme) /* a valid URI */
162 {
163 g_free(scheme);
164 }
165 else /* a file path */
166 {
167 files_to_open[i] = fm_canonicalize_filename(file, cwd);
168 g_free(file);
169 }
170 }
171 }
172 pcmanfm_run(screen_num);
173 window_role = NULL; /* reset it for clients callbacks */
174 }
175
176 #if FM_CHECK_VERSION(1, 2, 0)
177 /* ---- statusbar plugins support ---- */
178 FM_MODULE_DEFINE_TYPE(tab_page_status, FmTabPageStatusInit, 1)
179
180 GList *_tab_page_modules = NULL;
181
182 static gboolean fm_module_callback_tab_page_status(const char *name, gpointer init, int ver)
183 {
184 /* add module callbacks into own data list */
185 if (((FmTabPageStatusInit*)init)->sel_message == NULL)
186 return FALSE;
187 if (((FmTabPageStatusInit*)init)->init && !((FmTabPageStatusInit*)init)->init())
188 return FALSE;
189 _tab_page_modules = g_list_append(_tab_page_modules, init);
190 return TRUE;
191 }
192 #endif
193
194 int main(int argc, char** argv)
195 {
196 FmConfig* config;
197 GError* err = NULL;
198 SingleInstData inst;
199 #if FM_CHECK_VERSION(1, 2, 0)
200 GList *l;
201 #endif
202
203 #ifdef ENABLE_NLS
204 bindtextdomain ( GETTEXT_PACKAGE, PACKAGE_LOCALE_DIR );
205 bind_textdomain_codeset ( GETTEXT_PACKAGE, "UTF-8" );
206 textdomain ( GETTEXT_PACKAGE );
207 #endif
208
209 /* initialize GTK+ and parse the command line arguments */
210 if(G_UNLIKELY(!gtk_init_with_args(&argc, &argv, " ", opt_entries, GETTEXT_PACKAGE, &err)))
211 {
212 g_printf("%s\n", err->message);
213 g_error_free(err);
214 return 1;
215 }
216
217 /* ensure that there is only one instance of pcmanfm. */
218 inst.prog_name = "pcmanfm";
219 inst.cb = single_inst_cb;
220 inst.opt_entries = opt_entries + 3;
221 inst.screen_num = gdk_x11_get_default_screen();
222 switch(single_inst_init(&inst))
223 {
224 case SINGLE_INST_CLIENT: /* we're not the first instance. */
225 single_inst_finalize(&inst);
226 gdk_notify_startup_complete();
227 return 0;
228 case SINGLE_INST_ERROR: /* error happened. */
229 single_inst_finalize(&inst);
230 return 1;
231 case SINGLE_INST_SERVER: ; /* FIXME */
232 }
233
234 if(pipe(signal_pipe) == 0)
235 {
236 GIOChannel* ch = g_io_channel_unix_new(signal_pipe[0]);
237 g_io_add_watch(ch, G_IO_IN|G_IO_PRI, (GIOFunc)on_unix_signal, NULL);
238 g_io_channel_unref(ch);
239
240 /* intercept signals */
241 // signal( SIGPIPE, SIG_IGN );
242 signal( SIGHUP, unix_signal_handler );
243 signal( SIGTERM, unix_signal_handler );
244 signal( SIGINT, unix_signal_handler );
245 }
246
247 config = fm_app_config_new(); /* this automatically load libfm config file. */
248
249 fm_gtk_init(config);
250
251 #if FM_CHECK_VERSION(1, 0, 2)
252 # if !FM_CHECK_VERSION(1, 2, 0)
253 /* the sort_by value isn't loaded with LibFM 1.1.x so we need a workaround */
254 /* a little trick to initialize FmFolderModel class */
255 gpointer null_model = fm_folder_model_new(NULL, FALSE);
256 g_object_unref(null_model);
257 # endif
258 #endif
259
260 /* load pcmanfm-specific config file */
261 fm_app_config_load_from_profile(FM_APP_CONFIG(config), profile);
262
263 #if FM_CHECK_VERSION(1, 2, 0)
264 /* register our modules */
265 fm_module_register_tab_page_status();
266 #endif
267
268 /* the main part */
269 if(pcmanfm_run(gdk_screen_get_number(gdk_screen_get_default())))
270 {
271 first_run = FALSE;
272 window_role = NULL; /* reset it for clients callbacks */
273 fm_volume_manager_init();
274 gtk_main();
275 /* g_debug("main loop ended"); */
276
277 pcmanfm_save_config(TRUE);
278 if(save_config_idle)
279 {
280 g_source_remove(save_config_idle);
281 save_config_idle = 0;
282 }
283 fm_volume_manager_finalize();
284 }
285
286 #if FM_CHECK_VERSION(1, 2, 0)
287 for (l = _tab_page_modules; l; l = l->next)
288 if (((FmTabPageStatusInit*)l->data)->finalize)
289 ((FmTabPageStatusInit*)l->data)->finalize();
290 fm_module_unregister_type("tab_page_status");
291 g_list_free(_tab_page_modules);
292 _tab_page_modules = NULL;
293 #endif
294
295 single_inst_finalize(&inst);
296 fm_gtk_finalize();
297
298 g_object_unref(config);
299 return 0;
300 }
301
302 gboolean pcmanfm_run(gint screen_num)
303 {
304 FmMainWin *win = NULL;
305 gboolean ret = TRUE;
306
307 if(!files_to_open)
308 {
309 /* FIXME: use screen number from client and pointer position */
310 FmDesktop *desktop = fm_desktop_get(0, 0);
311
312 /* Launch desktop manager */
313 if(show_desktop)
314 {
315 if(!desktop_running)
316 {
317 fm_desktop_manager_init(one_screen ? screen_num : -1);
318 desktop_running = TRUE;
319 one_screen = FALSE;
320 }
321 show_desktop = FALSE;
322 return TRUE;
323 }
324 else if(desktop_off)
325 {
326 if(desktop_running)
327 {
328 desktop_running = FALSE;
329 fm_desktop_manager_finalize();
330 }
331 desktop_off = FALSE;
332 return FALSE;
333 }
334 else if(desktop == NULL)
335 /* ignore desktop-oriented commands if no desktop support */;
336 else if(show_pref > 0)
337 {
338 fm_edit_preference(GTK_WINDOW(desktop), show_pref - 1);
339 show_pref = -1;
340 return TRUE;
341 }
342 else if(desktop_pref)
343 {
344 fm_desktop_preference(NULL, desktop);
345 desktop_pref = FALSE;
346 return TRUE;
347 }
348 else if(wallpaper_mode || set_wallpaper)
349 {
350 gboolean wallpaper_changed = FALSE;
351 if(set_wallpaper) /* a new wallpaper is assigned */
352 {
353 /* g_debug("\'%s\'", set_wallpaper); */
354 /* Make sure this is a support image file. */
355 if(gdk_pixbuf_get_file_info(set_wallpaper, NULL, NULL))
356 {
357 if(desktop->conf.wallpaper)
358 g_free(desktop->conf.wallpaper);
359 desktop->conf.wallpaper = set_wallpaper;
360 if(! wallpaper_mode) /* if wallpaper mode is not specified */
361 {
362 /* do not use solid color mode; otherwise wallpaper won't be shown. */
363 if(desktop->conf.wallpaper_mode == FM_WP_COLOR)
364 desktop->conf.wallpaper_mode = FM_WP_FIT;
365 }
366 wallpaper_changed = TRUE;
367 }
368 else
369 g_free(set_wallpaper);
370 set_wallpaper = NULL;
371 }
372
373 if(wallpaper_mode)
374 {
375 FmWallpaperMode mode = fm_app_wallpaper_get_mode_by_name(wallpaper_mode);
376
377 if (mode != (FmWallpaperMode)-1
378 && mode != desktop->conf.wallpaper_mode)
379 {
380 desktop->conf.wallpaper_mode = mode;
381 wallpaper_changed = TRUE;
382 }
383 g_free(wallpaper_mode);
384 wallpaper_mode = NULL;
385 }
386
387 if(wallpaper_changed)
388 fm_desktop_wallpaper_changed(desktop);
389
390 return FALSE;
391 }
392 }
393
394 if(files_to_open)
395 {
396 char** filename;
397 FmPath* cwd = NULL;
398 GList* paths = NULL;
399 for(filename=files_to_open; *filename; ++filename)
400 {
401 FmPath* path;
402 if( **filename == '/') /* absolute path */
403 path = fm_path_new_for_path(*filename);
404 else if(strstr(*filename, ":/") ) /* URI */
405 path = fm_path_new_for_uri(*filename);
406 else if( strcmp(*filename, "~") == 0 ) /* special case for home dir */
407 {
408 path = fm_path_get_home();
409 win = fm_main_win_add_win(NULL, path);
410 if(new_win && window_role)
411 gtk_window_set_role(GTK_WINDOW(win), window_role);
412 continue;
413 }
414 else /* basename */
415 {
416 if(G_UNLIKELY(!cwd))
417 {
418 char* cwd_str = ipc_cwd ? ipc_cwd : g_get_current_dir();
419 cwd = fm_path_new_for_str(cwd_str);
420 g_free(cwd_str);
421 }
422 path = fm_path_new_relative(cwd, *filename);
423 }
424 paths = g_list_append(paths, path);
425 }
426 if(cwd)
427 fm_path_unref(cwd);
428 fm_launch_paths_simple(NULL, NULL, paths, pcmanfm_open_folder, NULL);
429 g_list_foreach(paths, (GFunc)fm_path_unref, NULL);
430 g_list_free(paths);
431 ret = (n_pcmanfm_ref >= 1); /* if there is opened window, return true to run the main loop. */
432
433 g_strfreev(files_to_open);
434 files_to_open = NULL;
435 }
436 else
437 {
438 if(first_run && daemon_mode)
439 {
440 /* If the function is called the first time and we're in daemon mode,
441 * don't open any folder.
442 * Checking if pcmanfm_run() is called the first time is needed to fix
443 * #3397444 - pcmanfm dont show window in daemon mode if i call 'pcmanfm' */
444 pcmanfm_ref();
445 }
446 else if (G_LIKELY(!find_files || n_pcmanfm_ref < 1))
447 {
448 /* If we're not in daemon mode, or pcmanfm_run() is called because another
449 * instance send signal to us, open cwd by default. */
450 FmPath* path;
451 char* cwd = ipc_cwd ? ipc_cwd : g_get_current_dir();
452 path = fm_path_new_for_path(cwd);
453 win = fm_main_win_add_win(NULL, path);
454 if(new_win && window_role)
455 gtk_window_set_role(GTK_WINDOW(win), window_role);
456 fm_path_unref(path);
457 g_free(cwd);
458 ipc_cwd = NULL;
459 }
460 }
461
462 #if FM_CHECK_VERSION(1, 0, 2)
463 /* we got a reference at this point so we can open a search dialog */
464 if (ret && find_files)
465 fm_launch_search_simple(GTK_WINDOW(win), NULL, NULL,
466 pcmanfm_open_folder, NULL);
467 find_files = FALSE;
468 #endif
469 return ret;
470 }
471
472 /* After opening any window/dialog/tool, this should be called. */
473 void pcmanfm_ref()
474 {
475 ++n_pcmanfm_ref;
476 /* g_debug("ref: %d", n_pcmanfm_ref); */
477 }
478
479 /* After closing any window/dialog/tool, this should be called.
480 * If the last window is closed and we are not a deamon, pcmanfm will quit.
481 */
482 void pcmanfm_unref()
483 {
484 --n_pcmanfm_ref;
485 /* g_debug("unref: %d, daemon_mode=%d, desktop_running=%d", n_pcmanfm_ref, daemon_mode, desktop_running); */
486 if( 0 == n_pcmanfm_ref )
487 gtk_main_quit();
488 }
489
490 static void move_window_to_desktop(FmMainWin* win, FmDesktop* desktop)
491 {
492 GdkScreen* screen = gtk_widget_get_screen(GTK_WIDGET(desktop));
493 Atom atom;
494 char* atom_name = "_NET_WM_DESKTOP";
495 XClientMessageEvent xev;
496
497 gtk_window_set_screen(GTK_WINDOW(win), screen);
498 if(!XInternAtoms(gdk_x11_get_default_xdisplay(), &atom_name, 1, False, &atom))
499 {
500 /* g_debug("cannot get Atom for _NET_WM_DESKTOP"); */
501 return;
502 }
503 xev.type = ClientMessage;
504 xev.window = GDK_WINDOW_XID(gtk_widget_get_window(GTK_WIDGET(win)));
505 xev.message_type = atom;
506 xev.format = 32;
507 xev.data.l[0] = desktop->cur_desktop;
508 xev.data.l[1] = 0;
509 xev.data.l[2] = 0;
510 xev.data.l[3] = 0;
511 xev.data.l[4] = 0;
512 /* g_debug("moving window to current desktop"); */
513 XSendEvent(gdk_x11_get_default_xdisplay(), GDK_ROOT_WINDOW(), False,
514 (SubstructureNotifyMask | SubstructureRedirectMask),
515 (XEvent *) &xev);
516 }
517
518 gboolean pcmanfm_open_folder(GAppLaunchContext* ctx, GList* folder_infos, gpointer user_data, GError** err)
519 {
520 GList* l = folder_infos;
521 gboolean use_new_win = new_win;
522
523 /* for desktop folder open it in new win if set in config */
524 if (!use_new_win && user_data && FM_IS_DESKTOP(user_data))
525 use_new_win = app_config->desktop_folder_new_win;
526 if(use_new_win)
527 {
528 FmMainWin *win = fm_main_win_add_win(NULL,
529 fm_file_info_get_path((FmFileInfo*)l->data));
530 if(window_role)
531 gtk_window_set_role(GTK_WINDOW(win), window_role);
532 new_win = FALSE;
533 l = l->next;
534 }
535 for(; l; l=l->next)
536 {
537 FmFileInfo* fi = (FmFileInfo*)l->data;
538 fm_main_win_open_in_last_active(fm_file_info_get_path(fi));
539 }
540 if(user_data && FM_IS_DESKTOP(user_data))
541 move_window_to_desktop(fm_main_win_get_last_active(), user_data);
542 return TRUE;
543 }
544
545 static gboolean on_save_config_idle(gpointer user_data)
546 {
547 pcmanfm_save_config(TRUE);
548 save_config_idle = 0;
549 return FALSE;
550 }
551
552 void pcmanfm_save_config(gboolean immediate)
553 {
554 if(immediate)
555 {
556 fm_config_save(fm_config, NULL);
557 fm_app_config_save_profile(app_config, profile);
558 }
559 else
560 {
561 /* install an idle handler to save the config file. */
562 if( 0 == save_config_idle)
563 save_config_idle = gdk_threads_add_idle_full(G_PRIORITY_LOW, (GSourceFunc)on_save_config_idle, NULL, NULL);
564 }
565 }
566
567 void pcmanfm_open_folder_in_terminal(GtkWindow* parent, FmPath* dir)
568 {
569 GAppInfo* app;
570 char** argv;
571 int argc;
572 if(!fm_config->terminal)
573 {
574 fm_show_error(parent, NULL, _("Terminal emulator is not set."));
575 fm_edit_preference(parent, PREF_ADVANCED);
576 return;
577 }
578 if(!g_shell_parse_argv(fm_config->terminal, &argc, &argv, NULL))
579 return;
580 app = g_app_info_create_from_commandline(argv[0], NULL, 0, NULL);
581 g_strfreev(argv);
582 if(app)
583 {
584 GError* err = NULL;
585 GdkAppLaunchContext* ctx = gdk_app_launch_context_new();
586 char* cwd_str;
587 char* old_cwd = g_get_current_dir();
588
589 if(fm_path_is_native(dir))
590 cwd_str = fm_path_to_str(dir);
591 else
592 {
593 GFile* gf = fm_path_to_gfile(dir);
594 cwd_str = g_file_get_path(gf);
595 g_object_unref(gf);
596 }
597 gdk_app_launch_context_set_screen(ctx, parent ? gtk_widget_get_screen(GTK_WIDGET(parent)) : gdk_screen_get_default());
598 gdk_app_launch_context_set_timestamp(ctx, gtk_get_current_event_time());
599 g_chdir(cwd_str); /* FIXME: currently we don't have better way for this. maybe a wrapper script? */
600 g_free(cwd_str);
601
602 if(!g_app_info_launch(app, NULL, G_APP_LAUNCH_CONTEXT(ctx), &err))
603 {
604 fm_show_error(parent, NULL, err->message);
605 g_error_free(err);
606 }
607 g_object_unref(ctx);
608 g_object_unref(app);
609
610 /* switch back to old cwd and fix #3114626 - PCManFM 0.9.9 Umount partitions problem */
611 g_chdir(old_cwd); /* This is really dirty, but we don't have better solution now. */
612 g_free(old_cwd);
613 }
614 }
615
616 char* pcmanfm_get_profile_dir(gboolean create)
617 {
618 char* dir = g_build_filename(g_get_user_config_dir(), "pcmanfm", profile ? profile : "default", NULL);
619 if(create)
620 g_mkdir_with_parents(dir, 0700);
621 return dir;
622 }