9692ed9d2dcbbb82254b1fd9a961a663f4011c18
[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 static void on_config_changed(FmAppConfig *cfg, gpointer _unused)
195 {
196 pcmanfm_save_config(FALSE);
197 }
198
199 int main(int argc, char** argv)
200 {
201 FmConfig* config;
202 GError* err = NULL;
203 SingleInstData inst;
204 #if FM_CHECK_VERSION(1, 2, 0)
205 GList *l;
206 #endif
207
208 #ifdef ENABLE_NLS
209 bindtextdomain ( GETTEXT_PACKAGE, PACKAGE_LOCALE_DIR );
210 bind_textdomain_codeset ( GETTEXT_PACKAGE, "UTF-8" );
211 textdomain ( GETTEXT_PACKAGE );
212 #endif
213
214 /* initialize GTK+ and parse the command line arguments */
215 if(G_UNLIKELY(!gtk_init_with_args(&argc, &argv, " ", opt_entries, GETTEXT_PACKAGE, &err)))
216 {
217 g_printf("%s\n", err->message);
218 g_error_free(err);
219 return 1;
220 }
221
222 /* ensure that there is only one instance of pcmanfm. */
223 inst.prog_name = "pcmanfm";
224 inst.cb = single_inst_cb;
225 inst.opt_entries = opt_entries + 3;
226 inst.screen_num = gdk_x11_get_default_screen();
227 switch(single_inst_init(&inst))
228 {
229 case SINGLE_INST_CLIENT: /* we're not the first instance. */
230 single_inst_finalize(&inst);
231 gdk_notify_startup_complete();
232 return 0;
233 case SINGLE_INST_ERROR: /* error happened. */
234 single_inst_finalize(&inst);
235 return 1;
236 case SINGLE_INST_SERVER: ; /* FIXME */
237 }
238
239 if(pipe(signal_pipe) == 0)
240 {
241 GIOChannel* ch = g_io_channel_unix_new(signal_pipe[0]);
242 g_io_add_watch(ch, G_IO_IN|G_IO_PRI, (GIOFunc)on_unix_signal, NULL);
243 g_io_channel_unref(ch);
244
245 /* intercept signals */
246 // signal( SIGPIPE, SIG_IGN );
247 signal( SIGHUP, unix_signal_handler );
248 signal( SIGTERM, unix_signal_handler );
249 signal( SIGINT, unix_signal_handler );
250 }
251
252 config = fm_app_config_new(); /* this automatically load libfm config file. */
253
254 fm_gtk_init(config);
255
256 #if FM_CHECK_VERSION(1, 2, 0)
257 /* register our modules */
258 fm_modules_add_directory(PACKAGE_MODULES_DIR);
259 fm_module_register_tab_page_status();
260 #endif
261
262 #if FM_CHECK_VERSION(1, 0, 2)
263 # if !FM_CHECK_VERSION(1, 2, 0)
264 /* the sort_by value isn't loaded with LibFM 1.1.x so we need a workaround */
265 /* a little trick to initialize FmFolderModel class */
266 gpointer null_model = fm_folder_model_new(NULL, FALSE);
267 g_object_unref(null_model);
268 # endif
269 #endif
270
271 /* load pcmanfm-specific config file */
272 fm_app_config_load_from_profile(FM_APP_CONFIG(config), profile);
273 g_signal_connect(config, "changed::saved_search", G_CALLBACK(on_config_changed), NULL);
274
275 /* the main part */
276 if(pcmanfm_run(gdk_screen_get_number(gdk_screen_get_default())))
277 {
278 first_run = FALSE;
279 window_role = NULL; /* reset it for clients callbacks */
280 fm_volume_manager_init();
281 gtk_main();
282 /* g_debug("main loop ended"); */
283
284 pcmanfm_save_config(TRUE);
285 if(save_config_idle)
286 {
287 g_source_remove(save_config_idle);
288 save_config_idle = 0;
289 }
290 fm_volume_manager_finalize();
291 }
292
293 #if FM_CHECK_VERSION(1, 2, 0)
294 for (l = _tab_page_modules; l; l = l->next)
295 if (((FmTabPageStatusInit*)l->data)->finalize)
296 ((FmTabPageStatusInit*)l->data)->finalize();
297 fm_module_unregister_type("tab_page_status");
298 g_list_free(_tab_page_modules);
299 _tab_page_modules = NULL;
300 #endif
301
302 single_inst_finalize(&inst);
303 fm_gtk_finalize();
304
305 g_object_unref(config);
306 return 0;
307 }
308
309 gboolean pcmanfm_run(gint screen_num)
310 {
311 FmMainWin *win = NULL;
312 gboolean ret = TRUE;
313
314 if(!files_to_open)
315 {
316 /* FIXME: use screen number from client and pointer position */
317 FmDesktop *desktop = fm_desktop_get(0, 0);
318
319 /* Launch desktop manager */
320 if(show_desktop)
321 {
322 if(!desktop_running)
323 {
324 fm_desktop_manager_init(one_screen ? screen_num : -1);
325 desktop_running = TRUE;
326 one_screen = FALSE;
327 }
328 show_desktop = FALSE;
329 return TRUE;
330 }
331 else if(desktop_off)
332 {
333 if(desktop_running)
334 {
335 desktop_running = FALSE;
336 fm_desktop_manager_finalize();
337 }
338 desktop_off = FALSE;
339 return FALSE;
340 }
341 else if(desktop == NULL)
342 /* ignore desktop-oriented commands if no desktop support */;
343 else if(show_pref > 0)
344 {
345 fm_edit_preference(GTK_WINDOW(desktop), show_pref - 1);
346 show_pref = -1;
347 return TRUE;
348 }
349 else if(desktop_pref)
350 {
351 fm_desktop_preference(NULL, desktop);
352 desktop_pref = FALSE;
353 return TRUE;
354 }
355 else if(wallpaper_mode || set_wallpaper)
356 {
357 gboolean wallpaper_changed = FALSE;
358 if(set_wallpaper) /* a new wallpaper is assigned */
359 {
360 /* g_debug("\'%s\'", set_wallpaper); */
361 /* Make sure this is a support image file. */
362 if(gdk_pixbuf_get_file_info(set_wallpaper, NULL, NULL))
363 {
364 if(desktop->conf.wallpaper)
365 g_free(desktop->conf.wallpaper);
366 desktop->conf.wallpaper = set_wallpaper;
367 if(! wallpaper_mode) /* if wallpaper mode is not specified */
368 {
369 /* do not use solid color mode; otherwise wallpaper won't be shown. */
370 if(desktop->conf.wallpaper_mode == FM_WP_COLOR)
371 desktop->conf.wallpaper_mode = FM_WP_FIT;
372 }
373 wallpaper_changed = TRUE;
374 }
375 else
376 g_free(set_wallpaper);
377 set_wallpaper = NULL;
378 }
379
380 if(wallpaper_mode)
381 {
382 FmWallpaperMode mode = fm_app_wallpaper_get_mode_by_name(wallpaper_mode);
383
384 if (mode != (FmWallpaperMode)-1
385 && mode != desktop->conf.wallpaper_mode)
386 {
387 desktop->conf.wallpaper_mode = mode;
388 wallpaper_changed = TRUE;
389 }
390 g_free(wallpaper_mode);
391 wallpaper_mode = NULL;
392 }
393
394 if(wallpaper_changed)
395 fm_desktop_wallpaper_changed(desktop);
396
397 return FALSE;
398 }
399 }
400
401 if(files_to_open)
402 {
403 char** filename;
404 FmPath* cwd = NULL;
405 GList* paths = NULL;
406 for(filename=files_to_open; *filename; ++filename)
407 {
408 FmPath* path;
409 if( **filename == '/') /* absolute path */
410 path = fm_path_new_for_path(*filename);
411 else if(strstr(*filename, ":/") ) /* URI */
412 path = fm_path_new_for_uri(*filename);
413 else if( strcmp(*filename, "~") == 0 ) /* special case for home dir */
414 {
415 path = fm_path_get_home();
416 win = fm_main_win_add_win(NULL, path);
417 if(new_win && window_role)
418 gtk_window_set_role(GTK_WINDOW(win), window_role);
419 continue;
420 }
421 else /* basename */
422 {
423 if(G_UNLIKELY(!cwd))
424 {
425 char* cwd_str = ipc_cwd ? ipc_cwd : g_get_current_dir();
426 cwd = fm_path_new_for_str(cwd_str);
427 g_free(cwd_str);
428 }
429 path = fm_path_new_relative(cwd, *filename);
430 }
431 paths = g_list_append(paths, path);
432 }
433 if(cwd)
434 fm_path_unref(cwd);
435 fm_launch_paths_simple(NULL, NULL, paths, pcmanfm_open_folder, NULL);
436 g_list_foreach(paths, (GFunc)fm_path_unref, NULL);
437 g_list_free(paths);
438 ret = (n_pcmanfm_ref >= 1); /* if there is opened window, return true to run the main loop. */
439
440 g_strfreev(files_to_open);
441 files_to_open = NULL;
442 }
443 else
444 {
445 if(first_run && daemon_mode)
446 {
447 /* If the function is called the first time and we're in daemon mode,
448 * don't open any folder.
449 * Checking if pcmanfm_run() is called the first time is needed to fix
450 * #3397444 - pcmanfm dont show window in daemon mode if i call 'pcmanfm' */
451 pcmanfm_ref();
452 }
453 else if (G_LIKELY(!find_files || n_pcmanfm_ref < 1))
454 {
455 /* If we're not in daemon mode, or pcmanfm_run() is called because another
456 * instance send signal to us, open cwd by default. */
457 FmPath* path;
458 char* cwd = ipc_cwd ? ipc_cwd : g_get_current_dir();
459 path = fm_path_new_for_path(cwd);
460 win = fm_main_win_add_win(NULL, path);
461 if(new_win && window_role)
462 gtk_window_set_role(GTK_WINDOW(win), window_role);
463 fm_path_unref(path);
464 g_free(cwd);
465 ipc_cwd = NULL;
466 }
467 }
468
469 #if FM_CHECK_VERSION(1, 0, 2)
470 /* we got a reference at this point so we can open a search dialog */
471 if (ret && find_files)
472 fm_launch_search_simple(GTK_WINDOW(win), NULL, NULL,
473 pcmanfm_open_folder, NULL);
474 find_files = FALSE;
475 #endif
476 return ret;
477 }
478
479 /* After opening any window/dialog/tool, this should be called. */
480 void pcmanfm_ref()
481 {
482 ++n_pcmanfm_ref;
483 /* g_debug("ref: %d", n_pcmanfm_ref); */
484 }
485
486 /* After closing any window/dialog/tool, this should be called.
487 * If the last window is closed and we are not a deamon, pcmanfm will quit.
488 */
489 void pcmanfm_unref()
490 {
491 --n_pcmanfm_ref;
492 /* g_debug("unref: %d, daemon_mode=%d, desktop_running=%d", n_pcmanfm_ref, daemon_mode, desktop_running); */
493 if( 0 == n_pcmanfm_ref )
494 gtk_main_quit();
495 }
496
497 static void move_window_to_desktop(FmMainWin* win, FmDesktop* desktop)
498 {
499 GdkScreen* screen = gtk_widget_get_screen(GTK_WIDGET(desktop));
500 Atom atom;
501 char* atom_name = "_NET_WM_DESKTOP";
502 XClientMessageEvent xev;
503
504 gtk_window_set_screen(GTK_WINDOW(win), screen);
505 if(!XInternAtoms(gdk_x11_get_default_xdisplay(), &atom_name, 1, False, &atom))
506 {
507 /* g_debug("cannot get Atom for _NET_WM_DESKTOP"); */
508 return;
509 }
510 xev.type = ClientMessage;
511 xev.window = GDK_WINDOW_XID(gtk_widget_get_window(GTK_WIDGET(win)));
512 xev.message_type = atom;
513 xev.format = 32;
514 xev.data.l[0] = desktop->cur_desktop;
515 xev.data.l[1] = 0;
516 xev.data.l[2] = 0;
517 xev.data.l[3] = 0;
518 xev.data.l[4] = 0;
519 /* g_debug("moving window to current desktop"); */
520 XSendEvent(gdk_x11_get_default_xdisplay(), GDK_ROOT_WINDOW(), False,
521 (SubstructureNotifyMask | SubstructureRedirectMask),
522 (XEvent *) &xev);
523 }
524
525 gboolean pcmanfm_open_folder(GAppLaunchContext* ctx, GList* folder_infos, gpointer user_data, GError** err)
526 {
527 GList* l = folder_infos;
528 gboolean use_new_win = new_win;
529
530 /* for desktop folder open it in new win if set in config */
531 if (!use_new_win && user_data && FM_IS_DESKTOP(user_data))
532 use_new_win = app_config->desktop_folder_new_win;
533 if(use_new_win)
534 {
535 FmMainWin *win = fm_main_win_add_win(NULL,
536 fm_file_info_get_path((FmFileInfo*)l->data));
537 if(window_role)
538 gtk_window_set_role(GTK_WINDOW(win), window_role);
539 new_win = FALSE;
540 l = l->next;
541 }
542 for(; l; l=l->next)
543 {
544 FmFileInfo* fi = (FmFileInfo*)l->data;
545 fm_main_win_open_in_last_active(fm_file_info_get_path(fi));
546 }
547 if(user_data && FM_IS_DESKTOP(user_data))
548 move_window_to_desktop(fm_main_win_get_last_active(), user_data);
549 return TRUE;
550 }
551
552 static gboolean on_save_config_idle(gpointer user_data)
553 {
554 pcmanfm_save_config(TRUE);
555 save_config_idle = 0;
556 return FALSE;
557 }
558
559 void pcmanfm_save_config(gboolean immediate)
560 {
561 if(immediate)
562 {
563 fm_config_save(fm_config, NULL);
564 fm_app_config_save_profile(app_config, profile);
565 }
566 else
567 {
568 /* install an idle handler to save the config file. */
569 if( 0 == save_config_idle)
570 save_config_idle = gdk_threads_add_idle_full(G_PRIORITY_LOW, (GSourceFunc)on_save_config_idle, NULL, NULL);
571 }
572 }
573
574 void pcmanfm_open_folder_in_terminal(GtkWindow* parent, FmPath* dir)
575 {
576 GAppInfo* app;
577 char** argv;
578 int argc;
579 if(!fm_config->terminal)
580 {
581 fm_show_error(parent, NULL, _("Terminal emulator is not set."));
582 fm_edit_preference(parent, PREF_ADVANCED);
583 return;
584 }
585 if(!g_shell_parse_argv(fm_config->terminal, &argc, &argv, NULL))
586 return;
587 app = g_app_info_create_from_commandline(argv[0], NULL, 0, NULL);
588 g_strfreev(argv);
589 if(app)
590 {
591 GError* err = NULL;
592 GdkAppLaunchContext* ctx = gdk_app_launch_context_new();
593 char* cwd_str;
594 char* old_cwd = g_get_current_dir();
595
596 if(fm_path_is_native(dir))
597 cwd_str = fm_path_to_str(dir);
598 else
599 {
600 GFile* gf = fm_path_to_gfile(dir);
601 cwd_str = g_file_get_path(gf);
602 g_object_unref(gf);
603 }
604 gdk_app_launch_context_set_screen(ctx, parent ? gtk_widget_get_screen(GTK_WIDGET(parent)) : gdk_screen_get_default());
605 gdk_app_launch_context_set_timestamp(ctx, gtk_get_current_event_time());
606 g_chdir(cwd_str); /* FIXME: currently we don't have better way for this. maybe a wrapper script? */
607 g_free(cwd_str);
608
609 if(!g_app_info_launch(app, NULL, G_APP_LAUNCH_CONTEXT(ctx), &err))
610 {
611 fm_show_error(parent, NULL, err->message);
612 g_error_free(err);
613 }
614 g_object_unref(ctx);
615 g_object_unref(app);
616
617 /* switch back to old cwd and fix #3114626 - PCManFM 0.9.9 Umount partitions problem */
618 g_chdir(old_cwd); /* This is really dirty, but we don't have better solution now. */
619 g_free(old_cwd);
620 }
621 }
622
623 char* pcmanfm_get_profile_dir(gboolean create)
624 {
625 char* dir = g_build_filename(g_get_user_config_dir(), "pcmanfm", profile ? profile : "default", NULL);
626 if(create)
627 g_mkdir_with_parents(dir, 0700);
628 return dir;
629 }