4 * ROX-Filer, filer for the ROX desktop project
5 * Copyright (C) 2003, 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 /* type.c - code for dealing with filetypes */
31 #include <sys/param.h>
33 #include <sys/types.h>
37 # include <libgnomevfs/gnome-vfs.h>
38 # include <libgnomevfs/gnome-vfs-mime.h>
39 # include <libgnomevfs/gnome-vfs-mime-handlers.h>
40 # include <libgnomevfs/gnome-vfs-application-registry.h>
50 #include "gui_support.h"
58 #include "action.h" /* (for action_chmod) */
62 #define TYPE_NS "http://www.freedesktop.org/standards/shared-mime-info"
63 enum {SET_MEDIA
, SET_TYPE
};
65 /* Colours for file types (same order as base types) */
66 static gchar
*opt_type_colours
[][2] = {
67 {"display_err_colour", "#ff0000"},
68 {"display_unkn_colour", "#000000"},
69 {"display_dir_colour", "#000080"},
70 {"display_pipe_colour", "#444444"},
71 {"display_sock_colour", "#ff00ff"},
72 {"display_file_colour", "#000000"},
73 {"display_cdev_colour", "#000000"},
74 {"display_bdev_colour", "#000000"},
75 {"display_door_colour", "#ff00ff"},
76 {"display_exec_colour", "#006000"},
77 {"display_adir_colour", "#006000"}
79 #define NUM_TYPE_COLOURS\
80 (sizeof(opt_type_colours) / sizeof(opt_type_colours[0]))
82 /* Parsed colours for file types */
83 static Option o_type_colours
[NUM_TYPE_COLOURS
];
84 static GdkColor type_colours
[NUM_TYPE_COLOURS
];
86 /* Static prototypes */
87 static void load_mime_types(void);
88 static void alloc_type_colours(void);
89 static char *get_action_save_path(GtkWidget
*dialog
);
90 static MIME_type
*get_mime_type(const gchar
*type_name
, gboolean can_create
);
91 static gboolean
remove_handler_with_confirm(const guchar
*path
);
93 /* When working out the type for a file, this hash table is checked
96 static GHashTable
*literal_hash
= NULL
; /* name -> MIME-type */
98 /* Maps extensions to MIME_types (eg 'png'-> MIME_type *).
99 * Extensions may contain dots; 'tar.gz' matches '*.tar.gz', etc.
100 * The hash table is consulted from each dot in the string in turn
101 * (First .ps.gz, then try .gz)
103 static GHashTable
*extension_hash
= NULL
;
105 /* The first pattern in the list which matches is used */
106 typedef struct pattern
{
107 gint len
; /* Used for sorting */
111 static GPtrArray
*glob_patterns
= NULL
; /* [Pattern] */
113 /* Hash of all allocated MIME types, indexed by "media/subtype".
114 * MIME_type structs are never freed; this table prevents memory leaks
115 * when rereading the config files.
117 static GHashTable
*type_hash
= NULL
;
119 /* Most things on Unix are text files, so this is the default type */
120 MIME_type
*text_plain
;
121 MIME_type
*inode_directory
;
122 MIME_type
*inode_pipe
;
123 MIME_type
*inode_socket
;
124 MIME_type
*inode_block_dev
;
125 MIME_type
*inode_char_dev
;
126 MIME_type
*application_executable
;
127 MIME_type
*inode_unknown
;
128 MIME_type
*inode_door
;
130 static Option o_display_colour_types
;
136 extension_hash
= g_hash_table_new(g_str_hash
, g_str_equal
);
137 type_hash
= g_hash_table_new(g_str_hash
, g_str_equal
);
139 text_plain
= get_mime_type("text/plain", TRUE
);
140 inode_directory
= get_mime_type("inode/directory", TRUE
);
141 inode_pipe
= get_mime_type("inode/fifo", TRUE
);
142 inode_socket
= get_mime_type("inode/socket", TRUE
);
143 inode_block_dev
= get_mime_type("inode/blockdevice", TRUE
);
144 inode_char_dev
= get_mime_type("inode/chardevice", TRUE
);
145 application_executable
= get_mime_type("application/x-executable", TRUE
);
146 inode_unknown
= get_mime_type("inode/unknown", TRUE
);
147 inode_door
= get_mime_type("inode/door", TRUE
);
151 option_add_int(&o_display_colour_types
, "display_colour_types", TRUE
);
153 for (i
= 0; i
< NUM_TYPE_COLOURS
; i
++)
154 option_add_string(&o_type_colours
[i
],
155 opt_type_colours
[i
][0],
156 opt_type_colours
[i
][1]);
157 alloc_type_colours();
159 option_add_notify(alloc_type_colours
);
162 /* Read-load all the glob patterns.
163 * Note: calls filer_update_all.
165 void reread_mime_files(void)
170 /* Returns the MIME_type structure for the given type name. It is looked
171 * up in type_hash and returned if found. If not found (and can_create is
172 * TRUE) then a new MIME_type is made, added to type_hash and returned.
173 * NULL is returned if type_name is not in type_hash and can_create is
174 * FALSE, or if type_name does not contain a '/' character.
176 static MIME_type
*get_mime_type(const gchar
*type_name
, gboolean can_create
)
181 mtype
= g_hash_table_lookup(type_hash
, type_name
);
182 if (mtype
|| !can_create
)
185 slash
= strchr(type_name
, '/');
186 g_return_val_if_fail(slash
!= NULL
, NULL
); /* XXX: Report nicely */
188 mtype
= g_new(MIME_type
, 1);
189 mtype
->media_type
= g_strndup(type_name
, slash
- type_name
);
190 mtype
->subtype
= g_strdup(slash
+ 1);
192 mtype
->comment
= NULL
;
194 g_hash_table_insert(type_hash
, g_strdup(type_name
), mtype
);
199 const char *basetype_name(DirItem
*item
)
201 if (item
->flags
& ITEM_FLAG_SYMLINK
)
202 return _("Sym link");
203 else if (item
->flags
& ITEM_FLAG_MOUNT_POINT
)
204 return _("Mount point");
205 else if (item
->flags
& ITEM_FLAG_APPDIR
)
208 switch (item
->base_type
)
214 case TYPE_CHAR_DEVICE
:
215 return _("Char dev");
216 case TYPE_BLOCK_DEVICE
:
217 return _("Block dev");
229 /* MIME-type guessing */
231 /* Get the type of this file - stats the file and uses that if
232 * possible. For regular or missing files, uses the pathname.
234 MIME_type
*type_get_type(const guchar
*path
)
237 MIME_type
*type
= NULL
;
238 int base
= TYPE_FILE
;
239 gboolean exec
= FALSE
;
241 if (mc_stat(path
, &info
) == 0)
243 base
= mode_to_base_type(info
.st_mode
);
244 if (info
.st_mode
& (S_IXUSR
| S_IXGRP
| S_IXOTH
))
248 if (base
== TYPE_FILE
)
249 type
= type_from_path(path
);
253 if (base
== TYPE_FILE
&& exec
)
254 type
= application_executable
;
256 type
= mime_type_from_base_type(base
);
262 /* Returns a pointer to the MIME-type.
263 * NULL if we can't think of anything.
265 MIME_type
*type_from_path(const char *path
)
267 const char *ext
, *dot
, *leafname
;
269 MIME_type
*type
= NULL
;
273 # ifdef WITH_GNOMEVFS
274 if (o_use_gnomevfs
.int_value
)
275 return get_mime_type(gnome_vfs_mime_type_from_name(path
), TRUE
);
279 leafname
= g_basename(path
);
281 type
= g_hash_table_lookup(literal_hash
, leafname
);
284 lower
= g_utf8_strdown(leafname
, -1);
285 type
= g_hash_table_lookup(literal_hash
, lower
);
291 while ((dot
= strchr(ext
, '.')))
295 type
= g_hash_table_lookup(extension_hash
, ext
);
300 type
= g_hash_table_lookup(extension_hash
,
301 lower
+ (ext
- leafname
));
306 for (i
= 0; i
< glob_patterns
->len
; i
++)
308 Pattern
*p
= glob_patterns
->pdata
[i
];
310 if (fnmatch(p
->glob
, leafname
, 0) == 0 ||
311 fnmatch(p
->glob
, lower
, 0) == 0)
324 /* Returns the file/dir in Choices for handling this type.
325 * NULL if there isn't one. g_free() the result.
327 static char *handler_for(MIME_type
*type
)
332 type_name
= g_strconcat(type
->media_type
, "_", type
->subtype
, NULL
);
333 open
= choices_find_path_load(type_name
, "MIME-types");
337 open
= choices_find_path_load(type
->media_type
, "MIME-types");
342 /* Actions for types */
344 gboolean
type_open(const char *path
, MIME_type
*type
)
346 gchar
*argv
[] = {NULL
, NULL
, NULL
};
351 argv
[1] = (char *) path
;
353 open
= handler_for(type
);
357 if (stat(open
, &info
))
359 report_error("stat(%s): %s", open
, g_strerror(errno
));
364 if (info
.st_mode
& S_IWOTH
)
369 report_error(_("Executable '%s' is world-writeable! Refusing "
370 "to run. Please change the permissions now (this "
371 "problem may have been caused by a bug in earlier "
372 "versions of the filer).\n\n"
373 "Having (non-symlink) run actions world-writeable "
374 "means that other people who use your computer can "
375 "replace your run actions with malicious versions.\n\n"
376 "If you trust everyone who could write to these files "
377 "then you needn't worry. Otherwise, you should check, "
378 "or even just delete, all the existing run actions."),
380 choices_dir
= g_path_get_dirname(open
);
381 paths
= g_list_append(NULL
, choices_dir
);
382 action_chmod(paths
, TRUE
, _("go-w (Fix security problem)"));
389 if (S_ISDIR(info
.st_mode
))
390 argv
[0] = g_strconcat(open
, "/AppRun", NULL
);
394 retval
= rox_spawn(home_dir
, (const gchar
**) argv
) != 0;
404 /* Return the image for this type, loading it if needed.
405 * Places to check are: (eg type="text_plain", base="text")
406 * 1. Choices:MIME-icons/<type>
407 * 2. Choices:MIME-icons/<base>
408 * 3. Unknown type icon.
410 * Note: You must g_object_unref() the image afterwards.
412 MaskedPixmap
*type_to_icon(MIME_type
*type
)
420 g_object_ref(im_unknown
);
425 /* Already got an image? */
428 /* Yes - don't recheck too often */
429 if (abs(now
- type
->image_time
) < 2)
431 g_object_ref(type
->image
);
434 g_object_unref(type
->image
);
438 type_name
= g_strconcat(type
->media_type
, "_",
439 type
->subtype
, ".png", NULL
);
440 path
= choices_find_path_load(type_name
, "MIME-icons");
443 strcpy(type_name
+ strlen(type
->media_type
), ".png");
444 path
= choices_find_path_load(type_name
, "MIME-icons");
451 type
->image
= g_fscache_lookup(pixmap_cache
, path
);
457 /* One ref from the type structure, one returned */
458 type
->image
= im_unknown
;
459 g_object_ref(im_unknown
);
462 type
->image_time
= now
;
464 g_object_ref(type
->image
);
468 GdkAtom
type_to_atom(MIME_type
*type
)
473 g_return_val_if_fail(type
!= NULL
, GDK_NONE
);
475 str
= g_strconcat(type
->media_type
, "/", type
->subtype
, NULL
);
476 retval
= gdk_atom_intern(str
, FALSE
);
482 static void show_shell_help(gpointer data
)
484 info_message(_("Enter a shell command which will load \"$@\" into "
485 "a suitable program. Eg:\n\n"
489 /* Called if the user clicks on the OK button. Returns FALSE if an error
490 * was displayed instead of performing the action.
492 static gboolean
set_shell_action(GtkWidget
*dialog
)
495 const guchar
*command
;
500 entry
= g_object_get_data(G_OBJECT(dialog
), "shell_command");
502 g_return_val_if_fail(entry
!= NULL
, FALSE
);
504 command
= gtk_entry_get_text(entry
);
506 if (!strchr(command
, '$'))
508 show_shell_help(NULL
);
512 path
= get_action_save_path(dialog
);
516 tmp
= g_strdup_printf("#! /bin/sh\nexec %s\n", command
);
519 fd
= open(path
, O_CREAT
| O_WRONLY
, 0755);
526 file
= fdopen(fd
, "w");
529 if (fwrite(tmp
, 1, len
, file
) < len
)
531 if (fclose(file
) && error
== 0)
539 report_error(g_strerror(error
));
544 gtk_widget_destroy(dialog
);
549 static void set_action_response(GtkWidget
*dialog
, gint response
, gpointer data
)
551 if (response
== GTK_RESPONSE_OK
)
552 if (!set_shell_action(dialog
))
554 gtk_widget_destroy(dialog
);
557 /* Return the path of the file in choices that handles this type and
559 * NULL if nothing is defined for it.
561 static guchar
*handler_for_radios(GObject
*dialog
)
566 radios
= g_object_get_data(G_OBJECT(dialog
), "rox-radios");
567 type
= g_object_get_data(G_OBJECT(dialog
), "mime_type");
569 g_return_val_if_fail(radios
!= NULL
, NULL
);
570 g_return_val_if_fail(type
!= NULL
, NULL
);
572 switch (radios_get_value(radios
))
575 return choices_find_path_load(type
->media_type
,
579 gchar
*tmp
, *handler
;
580 tmp
= g_strconcat(type
->media_type
, "_",
581 type
->subtype
, NULL
);
582 handler
= choices_find_path_load(tmp
, "MIME-types");
587 g_warning("Bad type");
592 static void run_action_update(gpointer data
)
596 GObject
*dialog
= G_OBJECT(data
);
598 drop_box
= g_object_get_data(dialog
, "rox-dropbox");
600 g_return_if_fail(drop_box
!= NULL
);
602 handler
= handler_for_radios(dialog
);
608 handler
= readlink_dup(old
);
615 drop_box_set_path(DROP_BOX(drop_box
), handler
);
619 static void clear_run_action(GtkWidget
*drop_box
, GtkWidget
*dialog
)
623 handler
= handler_for_radios(G_OBJECT(dialog
));
626 remove_handler_with_confirm(handler
);
628 run_action_update(dialog
);
631 /* Called when a URI list is dropped onto the box in the Set Run Action
632 * dialog. Make sure it's an application, and make that the default
635 static void drag_app_dropped(GtkWidget
*drop_box
,
641 item
= diritem_new("");
642 diritem_restat(app
, item
, NULL
);
643 if (item
->flags
& (ITEM_FLAG_APPDIR
| ITEM_FLAG_EXEC_FILE
))
647 path
= get_action_save_path(dialog
);
651 if (symlink(app
, path
))
652 delayed_error("symlink: %s",
655 destroy_on_idle(dialog
);
662 _("This is not a program! Give me an application "
668 /* Find the current command which is used to run files of this type.
669 * Returns NULL on failure. g_free() the result.
671 static guchar
*get_current_command(MIME_type
*type
)
674 char *handler
, *nl
, *data
= NULL
;
676 guchar
*command
= NULL
;
678 handler
= handler_for(type
);
681 return NULL
; /* No current handler */
683 if (stat(handler
, &info
))
684 goto out
; /* Can't stat */
686 if ((!S_ISREG(info
.st_mode
)) || info
.st_size
> 256)
687 goto out
; /* Only use small regular files */
689 if (!load_file(handler
, &data
, &len
))
690 goto out
; /* Didn't load OK */
692 if (strncmp(data
, "#! /bin/sh\nexec ", 16) != 0)
693 goto out
; /* Not one of ours */
695 nl
= strchr(data
+ 16, '\n');
697 goto out
; /* No newline! */
699 command
= g_strndup(data
+ 16, nl
- data
- 16);
706 /* Find the current command which is used to run files of this type,
707 * and return a textual description of it.
708 * g_free() the result.
710 gchar
*describe_current_command(MIME_type
*type
)
717 g_return_val_if_fail(type
!= NULL
, NULL
);
719 if (type
== application_executable
)
720 return g_strdup(_("Execute file"));
722 handler
= handler_for(type
);
725 return g_strdup(_("No run action defined"));
727 target
= readlink_dup(handler
);
730 /* Cope with relative paths (shouldn't normally be needed) */
732 if (target
[0] == '/')
741 dir
= g_path_get_dirname(handler
);
743 handler
= g_strconcat(dir
, "/", target
, NULL
);
749 if (mc_stat(handler
, &info
) !=0 )
751 desc
= g_strdup_printf(_("Error in handler %s: %s"), handler
,
756 if (S_ISDIR(info
.st_mode
))
759 uid_t dir_uid
= info
.st_uid
;
761 tmp
= make_path(handler
, "AppRun");
763 if (mc_lstat(tmp
, &info
) != 0 || info
.st_uid
!= dir_uid
764 || !(info
.st_mode
& (S_IXUSR
| S_IXGRP
| S_IXOTH
)))
765 desc
= g_strdup_printf(
766 _("Invalid application %s (bad AppRun)"),
768 /* Else, just report handler... */
773 /* It's not an application directory, and it's not a symlink... */
775 if (access(handler
, X_OK
) != 0)
777 desc
= g_strdup_printf(_("Non-executable %s"), handler
);
781 desc
= get_current_command(type
);
791 /* Display a dialog box allowing the user to set the default run action
794 void type_set_handler_dialog(MIME_type
*type
)
798 GtkWidget
*frame
, *entry
, *label
;
802 g_return_if_fail(type
!= NULL
);
804 dialog
= GTK_DIALOG(gtk_dialog_new());
805 gtk_dialog_set_has_separator(dialog
, FALSE
);
806 gtk_window_set_position(GTK_WINDOW(dialog
), GTK_WIN_POS_MOUSE
);
808 g_object_set_data(G_OBJECT(dialog
), "mime_type", type
);
810 gtk_window_set_title(GTK_WINDOW(dialog
), _("Set run action"));
812 radios
= radios_new(run_action_update
, dialog
);
813 g_object_set_data(G_OBJECT(dialog
), "rox-radios", radios
);
816 _("If a handler for the specific type isn't set up, "
817 "use this as the default."), SET_MEDIA
,
818 _("Set default for all `%s/<anything>'"),
822 _("Use this application for all files with this MIME "
824 _("Only for the type `%s' (%s/%s)"),
825 mime_type_comment(type
),
826 type
->media_type
, type
->subtype
);
828 radios_set_value(radios
, SET_TYPE
);
830 frame
= drop_box_new(_("Drop a suitable application here"));
832 g_object_set_data(G_OBJECT(dialog
), "rox-dropbox", frame
);
834 radios_pack(radios
, GTK_BOX(dialog
->vbox
));
835 gtk_box_pack_start(GTK_BOX(dialog
->vbox
), frame
, TRUE
, TRUE
, 0);
837 g_signal_connect(frame
, "path_dropped",
838 G_CALLBACK(drag_app_dropped
), dialog
);
839 g_signal_connect(frame
, "clear",
840 G_CALLBACK(clear_run_action
), dialog
);
842 hbox
= gtk_hbox_new(FALSE
, 4);
843 gtk_box_pack_start(GTK_BOX(dialog
->vbox
), hbox
, FALSE
, TRUE
, 4);
844 gtk_box_pack_start(GTK_BOX(hbox
), gtk_hseparator_new(), TRUE
, TRUE
, 0);
845 gtk_box_pack_start(GTK_BOX(hbox
), gtk_label_new(_("OR")),
847 gtk_box_pack_start(GTK_BOX(hbox
), gtk_hseparator_new(), TRUE
, TRUE
, 0);
849 hbox
= gtk_hbox_new(FALSE
, 4);
850 gtk_box_pack_start(GTK_BOX(dialog
->vbox
), hbox
, FALSE
, TRUE
, 0);
852 label
= gtk_label_new(_("Enter a shell command:")),
853 gtk_misc_set_alignment(GTK_MISC(label
), 0, .5);
854 gtk_box_pack_start(GTK_BOX(hbox
), label
, TRUE
, TRUE
, 4);
856 gtk_box_pack_start(GTK_BOX(hbox
),
857 new_help_button(show_shell_help
, NULL
), FALSE
, TRUE
, 0);
859 entry
= gtk_entry_new();
860 gtk_box_pack_start(GTK_BOX(dialog
->vbox
), entry
, FALSE
, TRUE
, 0);
861 gtk_widget_grab_focus(entry
);
862 g_object_set_data(G_OBJECT(dialog
), "shell_command", entry
);
863 gtk_entry_set_activates_default(GTK_ENTRY(entry
), TRUE
);
865 /* If possible, fill in the entry box with the current command */
866 tmp
= get_current_command(type
);
869 gtk_entry_set_text(GTK_ENTRY(entry
), tmp
);
870 gtk_editable_set_position(GTK_EDITABLE(entry
), -1);
875 gtk_entry_set_text(GTK_ENTRY(entry
), " \"$@\"");
876 gtk_editable_set_position(GTK_EDITABLE(entry
), 0);
879 gtk_dialog_add_buttons(dialog
,
880 GTK_STOCK_CANCEL
, GTK_RESPONSE_DELETE_EVENT
,
881 GTK_STOCK_OK
, GTK_RESPONSE_OK
,
884 hbox
= gtk_hbox_new(TRUE
, 4);
885 gtk_box_pack_start(GTK_BOX(dialog
->vbox
), hbox
, FALSE
, TRUE
, 0);
887 gtk_dialog_set_default_response(dialog
, GTK_RESPONSE_OK
);
889 g_signal_connect(dialog
, "response",
890 G_CALLBACK(set_action_response
), NULL
);
892 gtk_widget_show_all(GTK_WIDGET(dialog
));
895 /* path is an entry in Choices. If it's a symlink or a very small executable
896 * then just get rid of it, otherwise confirm first. It it doesn't exist,
899 * FALSE on error (abort operation).
901 static gboolean
remove_handler_with_confirm(const guchar
*path
)
905 if (lstat(path
, &info
) == 0)
907 /* A binding already exists... */
908 if (S_ISREG(info
.st_mode
) && info
.st_size
> 256)
910 if (!confirm(_("A run action already exists and is "
911 "quite a big program - are you sure "
912 "you want to delete it?"),
913 GTK_STOCK_DELETE
, NULL
))
921 report_error(_("Can't remove %s: %s"),
922 path
, g_strerror(errno
));
930 /* The user wants to set a new default action for files of this type (or just
931 * clear the action). Removes the current binding if possible and returns the
932 * path to save the new one to. NULL means cancel. g_free() the result.
934 static char *get_action_save_path(GtkWidget
*dialog
)
937 guchar
*type_name
= NULL
;
941 g_return_val_if_fail(dialog
!= NULL
, NULL
);
943 type
= g_object_get_data(G_OBJECT(dialog
), "mime_type");
944 radios
= g_object_get_data(G_OBJECT(dialog
), "rox-radios");
946 g_return_val_if_fail(radios
!= NULL
&& type
!= NULL
, NULL
);
948 if (radios_get_value(radios
) == SET_MEDIA
)
949 type_name
= g_strdup(type
->media_type
);
951 type_name
= g_strconcat(type
->media_type
, "_",
952 type
->subtype
, NULL
);
954 path
= choices_find_path_save("", PROJECT
, FALSE
);
958 _("Choices saving is disabled by CHOICESPATH variable"));
963 path
= choices_find_path_save(type_name
, "MIME-types", TRUE
);
965 if (!remove_handler_with_confirm(path
))
972 MIME_type
*mime_type_from_base_type(int base_type
)
979 return inode_directory
;
984 case TYPE_BLOCK_DEVICE
:
985 return inode_block_dev
;
986 case TYPE_CHAR_DEVICE
:
987 return inode_char_dev
;
991 return inode_unknown
;
994 /* Takes the st_mode field from stat() and returns the base type.
995 * Should not be a symlink.
997 int mode_to_base_type(int st_mode
)
999 if (S_ISREG(st_mode
))
1001 else if (S_ISDIR(st_mode
))
1002 return TYPE_DIRECTORY
;
1003 else if (S_ISBLK(st_mode
))
1004 return TYPE_BLOCK_DEVICE
;
1005 else if (S_ISCHR(st_mode
))
1006 return TYPE_CHAR_DEVICE
;
1007 else if (S_ISFIFO(st_mode
))
1009 else if (S_ISSOCK(st_mode
))
1011 else if (S_ISDOOR(st_mode
))
1017 /* Returns TRUE is this is something that is run by looking up its type
1018 * in MIME-types and, hence, can have its run action set.
1020 gboolean
can_set_run_action(DirItem
*item
)
1022 g_return_val_if_fail(item
!= NULL
, FALSE
);
1024 return item
->base_type
== TYPE_FILE
&&
1025 !(item
->mime_type
== application_executable
);
1028 /* Parse file type colours and allocate/free them as necessary */
1029 static void alloc_type_colours(void)
1031 gboolean success
[NUM_TYPE_COLOURS
];
1032 int change_count
= 0; /* No. needing realloc */
1034 static gboolean allocated
= FALSE
;
1037 for (i
= 0; i
< NUM_TYPE_COLOURS
; i
++)
1039 GdkColor
*c
= &type_colours
[i
];
1041 gushort g
= c
->green
;
1042 gushort b
= c
->blue
;
1044 gdk_color_parse(o_type_colours
[i
].value
, &type_colours
[i
]);
1046 if (allocated
&& (c
->red
!= r
|| c
->green
!= g
|| c
->blue
!= b
))
1050 /* Free colours if they were previously allocated and
1051 * have changed or become unneeded.
1053 if (allocated
&& (change_count
|| !o_display_colour_types
.int_value
))
1055 gdk_colormap_free_colors(gdk_rgb_get_colormap(),
1056 type_colours
, NUM_TYPE_COLOURS
);
1060 /* Allocate colours, unless they are still allocated (=> they didn't
1061 * change) or we don't want them anymore.
1062 * XXX: what should be done if allocation fails?
1064 if (!allocated
&& o_display_colour_types
.int_value
)
1066 gdk_colormap_alloc_colors(gdk_rgb_get_colormap(),
1067 type_colours
, NUM_TYPE_COLOURS
,
1068 FALSE
, TRUE
, success
);
1073 /* Return a pointer to a (static) colour for this item. If colouring is
1074 * off, returns normal.
1076 GdkColor
*type_get_colour(DirItem
*item
, GdkColor
*normal
)
1078 int type
= item
->base_type
;
1080 if (!o_display_colour_types
.int_value
)
1083 if (item
->flags
& ITEM_FLAG_EXEC_FILE
)
1085 else if (item
->flags
& ITEM_FLAG_APPDIR
)
1088 g_return_val_if_fail(type
>= 0 && type
< NUM_TYPE_COLOURS
, normal
);
1090 return &type_colours
[type
];
1093 /* Process the 'Patterns' value */
1094 static void add_pattern(MIME_type
*type
, const char *pattern
, GHashTable
*globs
)
1096 if (pattern
[0] == '*' && pattern
[1] == '.' &&
1097 strpbrk(pattern
+ 2, "*?[") == NULL
)
1099 g_hash_table_insert(extension_hash
,
1100 g_strdup(pattern
+ 2),
1103 else if (strpbrk(pattern
, "*?[") == NULL
)
1104 g_hash_table_insert(literal_hash
, g_strdup(pattern
), type
);
1106 g_hash_table_insert(globs
, g_strdup(pattern
), type
);
1109 /* Load and parse this file. literal_hash and extension_hash are updated
1110 * directly. Other patterns are added to 'globs'.
1112 static void import_file(const gchar
*file
, GHashTable
*globs
)
1114 MIME_type
*type
= NULL
;
1115 GError
*error
= NULL
;
1118 if (access(file
, F_OK
) != 0)
1119 return; /* Doesn't exist. No problem. */
1121 if (!g_file_get_contents(file
, &data
, NULL
, &error
))
1123 delayed_error(_("Error loading MIME database:\n%s"),
1125 g_error_free(error
);
1131 while (line
&& *line
)
1135 nl
= strchr(line
, '\n');
1145 colon
= strchr(line
, ':');
1148 delayed_error(_("File '%s' corrupted!"), file
);
1152 name
= g_strndup(line
, colon
- line
);
1153 type
= get_mime_type(name
, TRUE
);
1156 g_warning("Invalid type in '%s'", file
);
1158 add_pattern(type
, colon
+ 1, globs
);
1167 static void add_to_glob_patterns(gpointer key
, gpointer value
, gpointer unused
)
1171 pattern
= g_new(Pattern
, 1);
1172 pattern
->glob
= g_strdup((gchar
*) key
);
1173 pattern
->type
= (MIME_type
*) value
;
1174 pattern
->len
= strlen(pattern
->glob
);
1176 g_ptr_array_add(glob_patterns
, pattern
);
1179 static gint
sort_by_strlen(gconstpointer a
, gconstpointer b
)
1181 const Pattern
*pa
= *(const Pattern
**) a
;
1182 const Pattern
*pb
= *(const Pattern
**) b
;
1184 if (pa
->len
> pb
->len
)
1186 else if (pa
->len
== pb
->len
)
1191 static char **get_xdg_data_dirs(int *n_dirs
)
1197 env
= getenv("XDG_DATA_DIRS");
1199 env
= "/usr/local/share/:/usr/share/";
1200 dirs
= g_strsplit(env
, ":", 0);
1201 g_return_val_if_fail(dirs
!= NULL
, NULL
);
1202 for (n
= 0; dirs
[n
]; n
++)
1204 for (i
= n
; i
> 0; i
--)
1205 dirs
[i
] = dirs
[i
- 1];
1206 env
= getenv("XDG_DATA_HOME");
1208 dirs
[0] = g_strdup(env
);
1210 dirs
[0] = g_build_filename(g_get_home_dir(), ".local",
1216 /* Clear all currently stored information and re-read everything.
1217 * Note: calls filer_update_all.
1219 static void load_mime_types(void)
1226 dirs
= get_xdg_data_dirs(&n_dirs
);
1227 g_return_if_fail(dirs
!= NULL
);
1231 if (lstat(make_path(home_dir
, ".mime"), &info
) == 0 &&
1232 S_ISDIR(info
.st_mode
))
1234 delayed_error(_("The ~/.mime directory has moved. "
1235 "It should now be ~/.local/share/mime. You "
1236 "should move it there (and make a symlink "
1237 "from ~/.mime to it for older applications)."));
1242 glob_patterns
= g_ptr_array_new();
1247 for (i
= glob_patterns
->len
- 1; i
>= 0; i
--)
1249 Pattern
*p
= glob_patterns
->pdata
[i
];
1253 g_ptr_array_set_size(glob_patterns
, 0);
1257 g_hash_table_destroy(literal_hash
);
1259 g_hash_table_destroy(extension_hash
);
1260 literal_hash
= g_hash_table_new_full(g_str_hash
, g_str_equal
,
1262 extension_hash
= g_hash_table_new_full(g_str_hash
, g_str_equal
,
1264 globs
= g_hash_table_new_full(g_str_hash
, g_str_equal
, g_free
, NULL
);
1266 for (i
= n_dirs
- 1; i
>= 0; i
--)
1269 path
= g_build_filename(dirs
[i
], "mime", "globs", NULL
);
1270 import_file(path
, globs
);
1276 /* Turn the globs hash into a pointer array */
1277 g_hash_table_foreach(globs
, add_to_glob_patterns
, NULL
);
1278 g_hash_table_destroy(globs
);
1281 if (glob_patterns
->len
)
1282 g_ptr_array_sort(glob_patterns
, sort_by_strlen
);
1284 if (g_hash_table_size(extension_hash
) == 0)
1286 delayed_error(_("The standard MIME type database "
1287 "(version 0.9 or later) was not found. "
1288 "The filer will probably not show the correct "
1289 "types for different files. You should download and "
1290 "install the 'shared-mime-info-0.9' package from "
1292 "http://www.freedesktop.org/standards/shared-mime-info.html\n\n"
1293 "If you have already installed this package, check that the "
1294 "permissions allow the files to be read (check "
1295 "/usr/local/share/mime/globs or /usr/share/mime/globs)."));
1301 /* Try to fill in 'type->comment' from this document.
1304 static void get_comment(MIME_type
*type
, guchar
*path
)
1309 doc
= xml_cache_load(path
);
1314 node
= xml_get_section(doc
, TYPE_NS
, "comment");
1319 g_return_if_fail(type
->comment
== NULL
);
1320 val
= xmlNodeListGetString(node
->doc
, node
->xmlChildrenNode
, 1);
1321 type
->comment
= g_strdup(val
);
1325 g_object_unref(doc
);
1328 /* Fill in the comment field for this MIME type.
1330 * g_object_unref() the result.
1332 static void find_comment(MIME_type
*type
)
1338 g_free(type
->comment
);
1339 type
->comment
= NULL
;
1342 path
= g_strdup_printf("%s/.mime/%s/%s.xml", home_dir
,
1343 type
->media_type
, type
->subtype
);
1344 get_comment(type
, path
);
1348 path
= g_strdup_printf("/usr/local/share/mime/%s/%s.xml",
1349 type
->media_type
, type
->subtype
);
1350 get_comment(type
, path
);
1354 path
= g_strdup_printf("/usr/share/mime/%s/%s.xml",
1355 type
->media_type
, type
->subtype
);
1356 get_comment(type
, path
);
1360 type
->comment
= g_strdup(_("No description"));
1363 const char *mime_type_comment(MIME_type
*type
)
1368 return type
->comment
;