4 * ROX-Filer, filer for the ROX desktop project
5 * Copyright (C) 2002, 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) */
60 /* Colours for file types (same order as base types) */
61 static gchar
*opt_type_colours
[][2] = {
62 {"display_err_colour", "#ff0000"},
63 {"display_unkn_colour", "#000000"},
64 {"display_dir_colour", "#000080"},
65 {"display_pipe_colour", "#444444"},
66 {"display_sock_colour", "#ff00ff"},
67 {"display_file_colour", "#000000"},
68 {"display_cdev_colour", "#000000"},
69 {"display_bdev_colour", "#000000"},
70 {"display_door_colour", "#ff00ff"},
71 {"display_exec_colour", "#006000"},
72 {"display_adir_colour", "#006000"}
74 #define NUM_TYPE_COLOURS\
75 (sizeof(opt_type_colours) / sizeof(opt_type_colours[0]))
77 /* Parsed colours for file types */
78 static Option o_type_colours
[NUM_TYPE_COLOURS
];
79 static GdkColor type_colours
[NUM_TYPE_COLOURS
];
81 /* Static prototypes */
82 static void load_mime_types(void);
83 static void alloc_type_colours(void);
84 char *get_action_save_path(GtkWidget
*dialog
);
85 static void edit_mime_types(guchar
*unused
);
86 static void reread_mime_files(guchar
*unused
);
87 static MIME_type
*get_mime_type(const gchar
*type_name
, gboolean can_create
);
88 static GList
*build_type_reread(Option
*none
, xmlNode
*node
, guchar
*label
);
89 static GList
*build_type_edit(Option
*none
, xmlNode
*node
, guchar
*label
);
91 /* When working out the type for a file, this hash table is checked
94 static GHashTable
*literal_hash
= NULL
; /* name -> MIME-type */
96 /* Maps extensions to MIME_types (eg 'png'-> MIME_type *).
97 * Extensions may contain dots; 'tar.gz' matches '*.tar.gz', etc.
98 * The hash table is consulted from each dot in the string in turn
99 * (First .ps.gz, then try .gz)
101 static GHashTable
*extension_hash
= NULL
;
103 /* The first pattern in the list which matches is used */
104 typedef struct pattern
{
105 gint len
; /* Used for sorting */
109 static GPtrArray
*glob_patterns
= NULL
; /* [Pattern] */
111 /* Hash of all allocated MIME types, indexed by "media/subtype".
112 * MIME_type structs are never freed; this table prevents memory leaks
113 * when rereading the config files.
115 static GHashTable
*type_hash
= NULL
;
117 /* Most things on Unix are text files, so this is the default type */
118 MIME_type
*text_plain
;
119 MIME_type
*inode_directory
;
120 MIME_type
*inode_pipe
;
121 MIME_type
*inode_socket
;
122 MIME_type
*inode_block_dev
;
123 MIME_type
*inode_char_dev
;
124 MIME_type
*application_executable
;
125 MIME_type
*inode_unknown
;
126 MIME_type
*inode_door
;
128 static Option o_display_colour_types
;
134 extension_hash
= g_hash_table_new(g_str_hash
, g_str_equal
);
135 type_hash
= g_hash_table_new(g_str_hash
, g_str_equal
);
137 text_plain
= get_mime_type("text/plain", TRUE
);
138 inode_directory
= get_mime_type("inode/directory", TRUE
);
139 inode_pipe
= get_mime_type("inode/fifo", TRUE
);
140 inode_socket
= get_mime_type("inode/socket", TRUE
);
141 inode_block_dev
= get_mime_type("inode/blockdevice", TRUE
);
142 inode_char_dev
= get_mime_type("inode/chardevice", TRUE
);
143 application_executable
= get_mime_type("application/x-executable", TRUE
);
144 inode_unknown
= get_mime_type("inode/unknown", TRUE
);
145 inode_door
= get_mime_type("inode/door", TRUE
);
149 option_register_widget("type-edit", build_type_edit
);
150 option_register_widget("type-reread", build_type_reread
);
152 option_add_int(&o_display_colour_types
, "display_colour_types", TRUE
);
154 for (i
= 0; i
< NUM_TYPE_COLOURS
; i
++)
155 option_add_string(&o_type_colours
[i
],
156 opt_type_colours
[i
][0],
157 opt_type_colours
[i
][1]);
158 alloc_type_colours();
160 option_add_notify(alloc_type_colours
);
163 /* Returns the MIME_type structure for the given type name. It is looked
164 * up in type_hash and returned if found. If not found (and can_create is
165 * TRUE) then a new MIME_type is made, added to type_hash and returned.
166 * NULL is returned if type_name is not in type_hash and can_create is
167 * FALSE, or if type_name does not contain a '/' character.
169 static MIME_type
*get_mime_type(const gchar
*type_name
, gboolean can_create
)
174 mtype
= g_hash_table_lookup(type_hash
, type_name
);
175 if (mtype
|| !can_create
)
178 slash
= strchr(type_name
, '/');
179 g_return_val_if_fail(slash
!= NULL
, NULL
); /* XXX: Report nicely */
181 mtype
= g_new(MIME_type
, 1);
182 mtype
->media_type
= g_strndup(type_name
, slash
- type_name
);
183 mtype
->subtype
= g_strdup(slash
+ 1);
186 g_hash_table_insert(type_hash
, g_strdup(type_name
), mtype
);
191 const char *basetype_name(DirItem
*item
)
193 if (item
->flags
& ITEM_FLAG_SYMLINK
)
194 return _("Sym link");
195 else if (item
->flags
& ITEM_FLAG_MOUNT_POINT
)
196 return _("Mount point");
197 else if (item
->flags
& ITEM_FLAG_APPDIR
)
200 switch (item
->base_type
)
206 case TYPE_CHAR_DEVICE
:
207 return _("Char dev");
208 case TYPE_BLOCK_DEVICE
:
209 return _("Block dev");
221 /* MIME-type guessing */
223 /* Get the type of this file - stats the file and uses that if
224 * possible. For regular or missing files, uses the pathname.
226 MIME_type
*type_get_type(const guchar
*path
)
229 MIME_type
*type
= NULL
;
230 int base
= TYPE_FILE
;
231 gboolean exec
= FALSE
;
233 if (mc_stat(path
, &info
) == 0)
235 base
= mode_to_base_type(info
.st_mode
);
236 if (info
.st_mode
& (S_IXUSR
| S_IXGRP
| S_IXOTH
))
240 if (base
== TYPE_FILE
)
241 type
= type_from_path(path
);
245 if (base
== TYPE_FILE
&& exec
)
246 type
= application_executable
;
248 type
= mime_type_from_base_type(base
);
254 /* Returns a pointer to the MIME-type.
255 * NULL if we can't think of anything.
257 MIME_type
*type_from_path(const char *path
)
259 const char *ext
, *dot
, *leafname
;
261 MIME_type
*type
= NULL
;
265 # ifdef WITH_GNOMEVFS
266 if (o_use_gnomevfs
.int_value
)
267 return get_mime_type(gnome_vfs_mime_type_from_name(path
), TRUE
);
271 leafname
= g_basename(path
);
273 type
= g_hash_table_lookup(literal_hash
, leafname
);
276 lower
= g_utf8_strdown(leafname
, -1);
277 type
= g_hash_table_lookup(literal_hash
, lower
);
283 while ((dot
= strchr(ext
, '.')))
287 type
= g_hash_table_lookup(extension_hash
, ext
);
292 type
= g_hash_table_lookup(extension_hash
,
293 lower
+ (ext
- leafname
));
298 for (i
= 0; i
< glob_patterns
->len
; i
++)
300 Pattern
*p
= glob_patterns
->pdata
[i
];
302 if (fnmatch(p
->glob
, leafname
, 0) == 0 ||
303 fnmatch(p
->glob
, lower
, 0) == 0)
316 /* Returns the file/dir in Choices for handling this type.
317 * NULL if there isn't one. g_free() the result.
319 static char *handler_for(MIME_type
*type
)
324 type_name
= g_strconcat(type
->media_type
, "_", type
->subtype
, NULL
);
325 open
= choices_find_path_load(type_name
, "MIME-types");
329 open
= choices_find_path_load(type
->media_type
, "MIME-types");
334 /* Actions for types */
336 gboolean
type_open(const char *path
, MIME_type
*type
)
338 gchar
*argv
[] = {NULL
, NULL
, NULL
};
343 argv
[1] = (char *) path
;
345 open
= handler_for(type
);
349 if (stat(open
, &info
))
351 report_error("stat(%s): %s", open
, g_strerror(errno
));
356 if (info
.st_mode
& S_IWOTH
)
361 report_error(_("Executable '%s' is world-writeable! Refusing "
362 "to run. Please change the permissions now (this "
363 "problem may have been caused by a bug in earlier "
364 "versions of the filer).\n\n"
365 "Having (non-symlink) run actions world-writeable "
366 "means that other people who use your computer can "
367 "replace your run actions with malicious versions.\n\n"
368 "If you trust everyone who could write to these files "
369 "then you needn't worry. Otherwise, you should check, "
370 "or even just delete, all the existing run actions."),
372 choices_dir
= g_dirname(open
);
373 paths
= g_list_append(NULL
, choices_dir
);
374 action_chmod(paths
, TRUE
, _("go-w (Fix security problem)"));
381 if (S_ISDIR(info
.st_mode
))
382 argv
[0] = g_strconcat(open
, "/AppRun", NULL
);
386 retval
= rox_spawn(home_dir
, (const gchar
**) argv
);
396 /* Return the image for this type, loading it if needed.
397 * Places to check are: (eg type="text_plain", base="text")
398 * 1. Choices:MIME-icons/<type>
399 * 2. Choices:MIME-icons/<base>
400 * 3. Unknown type icon.
402 * Note: You must g_object_unref() the image afterwards.
404 MaskedPixmap
*type_to_icon(MIME_type
*type
)
412 g_object_ref(im_unknown
);
417 /* Already got an image? */
420 /* Yes - don't recheck too often */
421 if (abs(now
- type
->image_time
) < 2)
423 g_object_ref(type
->image
);
426 g_object_unref(type
->image
);
430 type_name
= g_strconcat(type
->media_type
, "_",
431 type
->subtype
, ".png", NULL
);
432 path
= choices_find_path_load(type_name
, "MIME-icons");
435 strcpy(type_name
+ strlen(type
->media_type
), ".png");
436 path
= choices_find_path_load(type_name
, "MIME-icons");
443 type
->image
= g_fscache_lookup(pixmap_cache
, path
);
449 /* One ref from the type structure, one returned */
450 type
->image
= im_unknown
;
451 g_object_ref(im_unknown
);
454 type
->image_time
= now
;
456 g_object_ref(type
->image
);
460 GdkAtom
type_to_atom(MIME_type
*type
)
465 g_return_val_if_fail(type
!= NULL
, GDK_NONE
);
467 str
= g_strconcat(type
->media_type
, "/", type
->subtype
, NULL
);
468 retval
= gdk_atom_intern(str
, FALSE
);
474 static void show_shell_help(gpointer data
)
476 info_message(_("Enter a shell command which will load \"$1\" into "
477 "a suitable program. Eg:\n\n"
481 /* Called if the user clicks on the OK button. Returns FALSE if an error
482 * was displayed instead of performing the action.
484 static gboolean
set_shell_action(GtkWidget
*dialog
)
487 GtkToggleButton
*for_all
;
488 const guchar
*command
;
493 entry
= g_object_get_data(G_OBJECT(dialog
), "shell_command");
494 for_all
= g_object_get_data(G_OBJECT(dialog
), "set_for_all");
495 g_return_val_if_fail(entry
!= NULL
, FALSE
);
497 command
= gtk_entry_get_text(entry
);
499 if (!strchr(command
, '$'))
501 show_shell_help(NULL
);
505 path
= get_action_save_path(dialog
);
509 tmp
= g_strdup_printf("#! /bin/sh\nexec %s\n", command
);
512 fd
= open(path
, O_CREAT
| O_WRONLY
, 0755);
519 file
= fdopen(fd
, "w");
522 if (fwrite(tmp
, 1, len
, file
) < len
)
524 if (fclose(file
) && error
== 0)
532 report_error(g_strerror(error
));
537 gtk_widget_destroy(dialog
);
542 static void set_action_response(GtkWidget
*dialog
, gint response
, gpointer data
)
544 if (response
== GTK_RESPONSE_OK
)
545 if (!set_shell_action(dialog
))
547 gtk_widget_destroy(dialog
);
550 /* Called when a URI list is dropped onto the box in the Set Run Action
551 * dialog. Make sure it's an application, and make that the default
554 static void drag_app_dropped(GtkWidget
*eb
,
555 GdkDragContext
*context
,
558 GtkSelectionData
*selection_data
,
564 const gchar
*app
= NULL
;
567 if (!selection_data
->data
)
568 return; /* Timeout? */
570 uris
= uri_list_to_glist(selection_data
->data
);
572 if (g_list_length(uris
) == 1)
573 app
= get_local_path((guchar
*) uris
->data
);
579 _("You should drop a single (local) application "
580 "onto the drop box - that application will be "
581 "used to load files of this type in future"));
585 item
= diritem_new("");
586 diritem_restat(app
, item
, NULL
);
587 if (item
->flags
& (ITEM_FLAG_APPDIR
| ITEM_FLAG_EXEC_FILE
))
591 path
= get_action_save_path(dialog
);
595 if (symlink(app
, path
))
596 delayed_error("symlink: %s",
599 destroy_on_idle(dialog
);
606 _("This is not a program! Give me an application "
612 /* Find the current command which is used to run files of this type.
613 * Returns NULL on failure. g_free() the result.
615 static guchar
*get_current_command(MIME_type
*type
)
618 char *handler
, *nl
, *data
= NULL
;
620 guchar
*command
= NULL
;
622 handler
= handler_for(type
);
625 return NULL
; /* No current handler */
627 if (stat(handler
, &info
))
628 goto out
; /* Can't stat */
630 if ((!S_ISREG(info
.st_mode
)) || info
.st_size
> 256)
631 goto out
; /* Only use small regular files */
633 if (!load_file(handler
, &data
, &len
))
634 goto out
; /* Didn't load OK */
636 if (strncmp(data
, "#! /bin/sh\nexec ", 16) != 0)
637 goto out
; /* Not one of ours */
639 nl
= strchr(data
+ 16, '\n');
641 goto out
; /* No newline! */
643 command
= g_strndup(data
+ 16, nl
- data
- 16);
650 /* Find the current command which is used to run files of this type,
651 * and return a textual description of it.
652 * g_free() the result.
654 gchar
*describe_current_command(MIME_type
*type
)
661 g_return_val_if_fail(type
!= NULL
, NULL
);
663 if (type
== application_executable
)
664 return g_strdup(_("Execute file"));
666 handler
= handler_for(type
);
669 return g_strdup(_("No run action defined"));
671 target
= readlink_dup(handler
);
674 /* Cope with relative paths (shouldn't normally be needed) */
676 if (target
[0] == '/')
685 dir
= g_dirname(handler
);
687 handler
= g_strconcat(dir
, "/", target
, NULL
);
693 if (mc_stat(handler
, &info
) !=0 )
695 desc
= g_strdup_printf(_("Error in handler %s: %s"), handler
,
700 if (S_ISDIR(info
.st_mode
))
703 uid_t dir_uid
= info
.st_uid
;
705 tmp
= make_path(handler
, "AppRun")->str
;
707 if (mc_lstat(tmp
, &info
) != 0 || info
.st_uid
!= dir_uid
708 || !(info
.st_mode
& (S_IXUSR
| S_IXGRP
| S_IXOTH
)))
709 desc
= g_strdup_printf(
710 _("Invalid application %s (bad AppRun)"),
712 /* Else, just report handler... */
717 /* It's not an application directory, and it's not a symlink... */
719 if (access(handler
, X_OK
) != 0)
721 desc
= g_strdup_printf(_("Non-executable %s"), handler
);
725 desc
= get_current_command(type
);
735 /* Display a dialog box allowing the user to set the default run action
738 void type_set_handler_dialog(MIME_type
*type
)
743 GtkWidget
*frame
, *entry
, *label
;
744 GtkWidget
*radio
, *eb
, *hbox
;
745 GtkTargetEntry targets
[] = {
746 {"text/uri-list", 0, TARGET_URI_LIST
},
749 g_return_if_fail(type
!= NULL
);
751 dialog
= GTK_DIALOG(gtk_dialog_new());
752 gtk_dialog_set_has_separator(dialog
, FALSE
);
753 gtk_window_set_position(GTK_WINDOW(dialog
), GTK_WIN_POS_MOUSE
);
755 g_object_set_data(G_OBJECT(dialog
), "mime_type", type
);
757 gtk_window_set_title(GTK_WINDOW(dialog
), _("Set run action"));
759 tmp
= g_strdup_printf(_("Set default for all `%s/<anything>'"),
761 radio
= gtk_radio_button_new_with_label(NULL
, tmp
);
763 g_object_set_data(G_OBJECT(dialog
), "set_for_all", radio
);
765 tmp
= g_strdup_printf(_("Only for the type `%s/%s'"), type
->media_type
,
767 gtk_box_pack_start(GTK_BOX(dialog
->vbox
), radio
, FALSE
, TRUE
, 0);
768 radio
= gtk_radio_button_new_with_label(
769 gtk_radio_button_get_group(GTK_RADIO_BUTTON(radio
)),
772 gtk_box_pack_start(GTK_BOX(dialog
->vbox
), radio
, FALSE
, TRUE
, 0);
773 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(radio
), TRUE
);
775 frame
= gtk_frame_new(NULL
);
776 gtk_box_pack_start(GTK_BOX(dialog
->vbox
), frame
, TRUE
, TRUE
, 4);
777 gtk_frame_set_shadow_type(GTK_FRAME(frame
), GTK_SHADOW_IN
);
778 eb
= gtk_event_box_new();
779 gtk_container_add(GTK_CONTAINER(frame
), eb
);
781 gtk_container_set_border_width(GTK_CONTAINER(eb
), 4);
783 handler
= handler_for(type
);
788 link
= readlink_dup(handler
);
793 msg
= g_strdup_printf(_("Currently %s"), link
);
794 gtk_tooltips_set_tip(tooltips
, eb
, msg
, NULL
);
801 gtk_drag_dest_set(eb
, GTK_DEST_DEFAULT_ALL
,
802 targets
, sizeof(targets
) / sizeof(*targets
),
804 g_signal_connect(eb
, "drag_data_received",
805 G_CALLBACK(drag_app_dropped
), dialog
);
807 label
= gtk_label_new(_("Drop a suitable\napplication here"));
808 gtk_misc_set_padding(GTK_MISC(label
), 10, 20);
809 gtk_container_add(GTK_CONTAINER(eb
), label
);
811 hbox
= gtk_hbox_new(FALSE
, 4);
812 gtk_box_pack_start(GTK_BOX(dialog
->vbox
), hbox
, FALSE
, TRUE
, 4);
813 gtk_box_pack_start(GTK_BOX(hbox
), gtk_hseparator_new(), TRUE
, TRUE
, 0);
814 gtk_box_pack_start(GTK_BOX(hbox
), gtk_label_new(_("OR")),
816 gtk_box_pack_start(GTK_BOX(hbox
), gtk_hseparator_new(), TRUE
, TRUE
, 0);
818 hbox
= gtk_hbox_new(FALSE
, 4);
819 gtk_box_pack_start(GTK_BOX(dialog
->vbox
), hbox
, FALSE
, TRUE
, 0);
821 label
= gtk_label_new(_("Enter a shell command:")),
822 gtk_misc_set_alignment(GTK_MISC(label
), 0, .5);
823 gtk_box_pack_start(GTK_BOX(hbox
), label
, TRUE
, TRUE
, 4);
825 gtk_box_pack_start(GTK_BOX(hbox
),
826 new_help_button(show_shell_help
, NULL
), FALSE
, TRUE
, 0);
828 entry
= gtk_entry_new();
829 gtk_box_pack_start(GTK_BOX(dialog
->vbox
), entry
, FALSE
, TRUE
, 0);
830 gtk_widget_grab_focus(entry
);
831 g_object_set_data(G_OBJECT(dialog
), "shell_command", entry
);
832 gtk_entry_set_activates_default(GTK_ENTRY(entry
), TRUE
);
834 /* If possible, fill in the entry box with the current command */
835 tmp
= get_current_command(type
);
838 gtk_entry_set_text(GTK_ENTRY(entry
), tmp
);
839 gtk_editable_set_position(GTK_EDITABLE(entry
), -1);
844 gtk_entry_set_text(GTK_ENTRY(entry
), " \"$1\"");
845 gtk_editable_set_position(GTK_EDITABLE(entry
), 0);
848 gtk_dialog_add_buttons(dialog
,
849 GTK_STOCK_CANCEL
, GTK_RESPONSE_DELETE_EVENT
,
850 GTK_STOCK_OK
, GTK_RESPONSE_OK
,
853 hbox
= gtk_hbox_new(TRUE
, 4);
854 gtk_box_pack_start(GTK_BOX(dialog
->vbox
), hbox
, FALSE
, TRUE
, 0);
856 gtk_dialog_set_default_response(dialog
, GTK_RESPONSE_OK
);
858 g_signal_connect(dialog
, "response",
859 G_CALLBACK(set_action_response
), NULL
);
861 gtk_widget_show_all(GTK_WIDGET(dialog
));
864 /* The user wants to set a new default action for files of this type.
865 * Removes the current binding if possible and returns the path to
866 * save the new one to. NULL means cancel. g_free() the result.
868 char *get_action_save_path(GtkWidget
*dialog
)
872 guchar
*type_name
= NULL
;
874 GtkToggleButton
*for_all
;
876 g_return_val_if_fail(dialog
!= NULL
, NULL
);
877 type
= g_object_get_data(G_OBJECT(dialog
), "mime_type");
878 for_all
= g_object_get_data(G_OBJECT(dialog
), "set_for_all");
879 g_return_val_if_fail(for_all
!= NULL
&& type
!= NULL
, NULL
);
881 if (gtk_toggle_button_get_active(for_all
))
882 type_name
= g_strdup(type
->media_type
);
884 type_name
= g_strconcat(type
->media_type
, "_",
885 type
->subtype
, NULL
);
887 path
= choices_find_path_save("", PROJECT
, FALSE
);
891 _("Choices saving is disabled by CHOICESPATH variable"));
896 path
= choices_find_path_save(type_name
, "MIME-types", TRUE
);
898 if (lstat(path
, &info
) == 0)
900 /* A binding already exists... */
901 if (S_ISREG(info
.st_mode
) && info
.st_size
> 256)
903 if (get_choice(PROJECT
,
904 _("A run action already exists and is quite "
905 "a big program - are you sure you want to "
907 _("Cancel"), _("Delete")) != 1)
917 report_error(_("Can't remove %s: %s"),
918 path
, g_strerror(errno
));
930 MIME_type
*mime_type_from_base_type(int base_type
)
937 return inode_directory
;
942 case TYPE_BLOCK_DEVICE
:
943 return inode_block_dev
;
944 case TYPE_CHAR_DEVICE
:
945 return inode_char_dev
;
949 return inode_unknown
;
952 /* Takes the st_mode field from stat() and returns the base type.
953 * Should not be a symlink.
955 int mode_to_base_type(int st_mode
)
957 if (S_ISREG(st_mode
))
959 else if (S_ISDIR(st_mode
))
960 return TYPE_DIRECTORY
;
961 else if (S_ISBLK(st_mode
))
962 return TYPE_BLOCK_DEVICE
;
963 else if (S_ISCHR(st_mode
))
964 return TYPE_CHAR_DEVICE
;
965 else if (S_ISFIFO(st_mode
))
967 else if (S_ISSOCK(st_mode
))
969 else if (S_ISDOOR(st_mode
))
975 /* Returns TRUE is this is something that is run by looking up its type
976 * in MIME-types and, hence, can have its run action set.
978 gboolean
can_set_run_action(DirItem
*item
)
980 g_return_val_if_fail(item
!= NULL
, FALSE
);
982 return item
->base_type
== TYPE_FILE
&&
983 !(item
->mime_type
== application_executable
);
986 /* To edit the MIME types, open a filer window for <Choices>/MIME-info */
987 static void edit_mime_types(guchar
*unused
)
992 mkdir(make_path(home_dir
, ".mime")->str
, 0700);
993 path
= make_path(home_dir
, ".mime/mime-info")->str
;
995 filer_opendir(path
, NULL
);
997 path
= "/usr/local/share/mime/mime-info";
998 if (mc_stat(path
, &info
) == 0)
999 filer_opendir(path
, NULL
);
1001 path
= "/usr/share/mime/mime-info";
1002 if (mc_stat(path
, &info
) == 0)
1003 filer_opendir(path
, NULL
);
1006 static void reread_mime_files(guchar
*unused
)
1011 static GList
*build_type_reread(Option
*none
, xmlNode
*node
, guchar
*label
)
1013 GtkWidget
*button
, *align
;
1015 g_return_val_if_fail(none
== NULL
, NULL
);
1017 align
= gtk_alignment_new(0.1, 0, 0.1, 0);
1018 button
= gtk_button_new_with_label(_(label
));
1019 gtk_container_add(GTK_CONTAINER(align
), button
);
1021 g_signal_connect_swapped(button
, "clicked",
1022 G_CALLBACK(reread_mime_files
), NULL
);
1024 return g_list_append(NULL
, align
);
1027 static GList
*build_type_edit(Option
*none
, xmlNode
*node
, guchar
*label
)
1029 GtkWidget
*button
, *align
;
1031 g_return_val_if_fail(none
== NULL
, NULL
);
1033 align
= gtk_alignment_new(0.1, 0, 0.1, 0);
1034 button
= gtk_button_new_with_label(_(label
));
1035 gtk_container_add(GTK_CONTAINER(align
), button
);
1037 g_signal_connect_swapped(button
, "clicked",
1038 G_CALLBACK(edit_mime_types
), NULL
);
1040 return g_list_append(NULL
, align
);
1043 /* Parse file type colours and allocate/free them as necessary */
1044 static void alloc_type_colours(void)
1046 gboolean success
[NUM_TYPE_COLOURS
];
1047 int change_count
= 0; /* No. needing realloc */
1049 static gboolean allocated
= FALSE
;
1052 for (i
= 0; i
< NUM_TYPE_COLOURS
; i
++)
1054 GdkColor
*c
= &type_colours
[i
];
1056 gushort g
= c
->green
;
1057 gushort b
= c
->blue
;
1059 gdk_color_parse(o_type_colours
[i
].value
, &type_colours
[i
]);
1061 if (allocated
&& (c
->red
!= r
|| c
->green
!= g
|| c
->blue
!= b
))
1065 /* Free colours if they were previously allocated and
1066 * have changed or become unneeded.
1068 if (allocated
&& (change_count
|| !o_display_colour_types
.int_value
))
1070 gdk_colormap_free_colors(gdk_rgb_get_colormap(),
1071 type_colours
, NUM_TYPE_COLOURS
);
1075 /* Allocate colours, unless they are still allocated (=> they didn't
1076 * change) or we don't want them anymore.
1077 * XXX: what should be done if allocation fails?
1079 if (!allocated
&& o_display_colour_types
.int_value
)
1081 gdk_colormap_alloc_colors(gdk_rgb_get_colormap(),
1082 type_colours
, NUM_TYPE_COLOURS
,
1083 FALSE
, TRUE
, success
);
1088 /* Return a pointer to a (static) colour for this item. If colouring is
1089 * off, returns normal.
1091 GdkColor
*type_get_colour(DirItem
*item
, GdkColor
*normal
)
1093 int type
= item
->base_type
;
1095 if (!o_display_colour_types
.int_value
)
1098 if (item
->flags
& ITEM_FLAG_EXEC_FILE
)
1100 else if (item
->flags
& ITEM_FLAG_APPDIR
)
1103 g_return_val_if_fail(type
>= 0 && type
< NUM_TYPE_COLOURS
, normal
);
1105 return &type_colours
[type
];
1108 /* Process the 'Patterns' value */
1109 static void add_pattern(MIME_type
*type
, const char *pattern
, GHashTable
*globs
)
1111 if (pattern
[0] == '*' && pattern
[1] == '.' &&
1112 strpbrk(pattern
+ 2, "*?[") == NULL
)
1114 g_hash_table_insert(extension_hash
,
1115 g_strdup(pattern
+ 2),
1118 else if (strpbrk(pattern
, "*?[") == NULL
)
1119 g_hash_table_insert(literal_hash
, g_strdup(pattern
), type
);
1121 g_hash_table_insert(globs
, g_strdup(pattern
), type
);
1124 /* Load and parse this file. literal_hash and extension_hash are updated
1125 * directly. Other patterns are added to 'globs'.
1127 static void import_file(const gchar
*file
, GHashTable
*globs
)
1129 MIME_type
*type
= NULL
;
1130 GError
*error
= NULL
;
1133 if (access(file
, F_OK
) != 0)
1134 return; /* Doesn't exist. No problem. */
1136 if (!g_file_get_contents(file
, &data
, NULL
, &error
))
1138 delayed_error("Error loading MIME database:\n%s",
1140 g_error_free(error
);
1146 while (line
&& *line
)
1150 nl
= strchr(line
, '\n');
1160 colon
= strchr(line
, ':');
1163 delayed_error(_("File '%s' corrupted!"), file
);
1167 name
= g_strndup(line
, colon
- line
);
1168 type
= get_mime_type(name
, TRUE
);
1171 g_warning("Invalid type in '%s'", file
);
1173 add_pattern(type
, colon
+ 1, globs
);
1182 static void add_to_glob_patterns(gpointer key
, gpointer value
, gpointer unused
)
1186 pattern
= g_new(Pattern
, 1);
1187 pattern
->glob
= g_strdup((gchar
*) key
);
1188 pattern
->type
= (MIME_type
*) value
;
1189 pattern
->len
= strlen(pattern
->glob
);
1191 g_ptr_array_add(glob_patterns
, pattern
);
1194 static gint
sort_by_strlen(gconstpointer a
, gconstpointer b
)
1196 const Pattern
*pa
= *(const Pattern
**) a
;
1197 const Pattern
*pb
= *(const Pattern
**) b
;
1199 if (pa
->len
> pb
->len
)
1201 else if (pa
->len
== pb
->len
)
1206 /* Clear all currently stored information and re-read everything */
1207 static void load_mime_types(void)
1213 glob_patterns
= g_ptr_array_new();
1218 for (i
= glob_patterns
->len
- 1; i
>= 0; i
--)
1220 Pattern
*p
= glob_patterns
->pdata
[i
];
1224 g_ptr_array_set_size(glob_patterns
, 0);
1228 g_hash_table_destroy(literal_hash
);
1230 g_hash_table_destroy(extension_hash
);
1231 literal_hash
= g_hash_table_new_full(g_str_hash
, g_str_equal
,
1233 extension_hash
= g_hash_table_new_full(g_str_hash
, g_str_equal
,
1235 globs
= g_hash_table_new_full(g_str_hash
, g_str_equal
, g_free
, NULL
);
1237 import_file("/usr/share/mime/globs", globs
);
1238 import_file("/usr/local/share/mime/globs", globs
);
1240 tmp
= g_strconcat(home_dir
, "/.mime/globs", NULL
);
1241 import_file(tmp
, globs
);
1244 /* Turn the globs hash into a pointer array */
1245 g_hash_table_foreach(globs
, add_to_glob_patterns
, NULL
);
1246 g_hash_table_destroy(globs
);
1249 if (glob_patterns
->len
)
1250 g_ptr_array_sort(glob_patterns
, sort_by_strlen
);
1252 if (g_hash_table_size(extension_hash
) == 0)
1254 delayed_error(_("The standard MIME type database "
1255 "(version 0.8 or later) was not found. "
1256 "The filer will probably not show the correct "
1257 "types for different files. You should download and "
1258 "install the 'shared-mime-info-0.8' package from "
1260 "http://www.freedesktop.org/standards/shared-mime-info.html"));