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 MIME_type
*get_mime_type(const gchar
*type_name
, gboolean can_create
);
87 static GList
*build_type_edit(Option
*none
, xmlNode
*node
, guchar
*label
);
89 /* When working out the type for a file, this hash table is checked
92 static GHashTable
*literal_hash
= NULL
; /* name -> MIME-type */
94 /* Maps extensions to MIME_types (eg 'png'-> MIME_type *).
95 * Extensions may contain dots; 'tar.gz' matches '*.tar.gz', etc.
96 * The hash table is consulted from each dot in the string in turn
97 * (First .ps.gz, then try .gz)
99 static GHashTable
*extension_hash
= NULL
;
101 /* The first pattern in the list which matches is used */
102 typedef struct pattern
{
103 gint len
; /* Used for sorting */
107 static GPtrArray
*glob_patterns
= NULL
; /* [Pattern] */
109 /* Hash of all allocated MIME types, indexed by "media/subtype".
110 * MIME_type structs are never freed; this table prevents memory leaks
111 * when rereading the config files.
113 static GHashTable
*type_hash
= NULL
;
115 /* Most things on Unix are text files, so this is the default type */
116 MIME_type
*text_plain
;
117 MIME_type
*inode_directory
;
118 MIME_type
*inode_pipe
;
119 MIME_type
*inode_socket
;
120 MIME_type
*inode_block_dev
;
121 MIME_type
*inode_char_dev
;
122 MIME_type
*application_executable
;
123 MIME_type
*inode_unknown
;
124 MIME_type
*inode_door
;
126 static Option o_display_colour_types
;
132 extension_hash
= g_hash_table_new(g_str_hash
, g_str_equal
);
133 type_hash
= g_hash_table_new(g_str_hash
, g_str_equal
);
135 text_plain
= get_mime_type("text/plain", TRUE
);
136 inode_directory
= get_mime_type("inode/directory", TRUE
);
137 inode_pipe
= get_mime_type("inode/fifo", TRUE
);
138 inode_socket
= get_mime_type("inode/socket", TRUE
);
139 inode_block_dev
= get_mime_type("inode/blockdevice", TRUE
);
140 inode_char_dev
= get_mime_type("inode/chardevice", TRUE
);
141 application_executable
= get_mime_type("application/x-executable", TRUE
);
142 inode_unknown
= get_mime_type("inode/unknown", TRUE
);
143 inode_door
= get_mime_type("inode/door", TRUE
);
147 option_register_widget("type-edit", build_type_edit
);
149 option_add_int(&o_display_colour_types
, "display_colour_types", TRUE
);
151 for (i
= 0; i
< NUM_TYPE_COLOURS
; i
++)
152 option_add_string(&o_type_colours
[i
],
153 opt_type_colours
[i
][0],
154 opt_type_colours
[i
][1]);
155 alloc_type_colours();
157 option_add_notify(alloc_type_colours
);
160 /* Read-load all the glob patterns */
161 void reread_mime_files(void)
166 /* Returns the MIME_type structure for the given type name. It is looked
167 * up in type_hash and returned if found. If not found (and can_create is
168 * TRUE) then a new MIME_type is made, added to type_hash and returned.
169 * NULL is returned if type_name is not in type_hash and can_create is
170 * FALSE, or if type_name does not contain a '/' character.
172 static MIME_type
*get_mime_type(const gchar
*type_name
, gboolean can_create
)
177 mtype
= g_hash_table_lookup(type_hash
, type_name
);
178 if (mtype
|| !can_create
)
181 slash
= strchr(type_name
, '/');
182 g_return_val_if_fail(slash
!= NULL
, NULL
); /* XXX: Report nicely */
184 mtype
= g_new(MIME_type
, 1);
185 mtype
->media_type
= g_strndup(type_name
, slash
- type_name
);
186 mtype
->subtype
= g_strdup(slash
+ 1);
189 g_hash_table_insert(type_hash
, g_strdup(type_name
), mtype
);
194 const char *basetype_name(DirItem
*item
)
196 if (item
->flags
& ITEM_FLAG_SYMLINK
)
197 return _("Sym link");
198 else if (item
->flags
& ITEM_FLAG_MOUNT_POINT
)
199 return _("Mount point");
200 else if (item
->flags
& ITEM_FLAG_APPDIR
)
203 switch (item
->base_type
)
209 case TYPE_CHAR_DEVICE
:
210 return _("Char dev");
211 case TYPE_BLOCK_DEVICE
:
212 return _("Block dev");
224 /* MIME-type guessing */
226 /* Get the type of this file - stats the file and uses that if
227 * possible. For regular or missing files, uses the pathname.
229 MIME_type
*type_get_type(const guchar
*path
)
232 MIME_type
*type
= NULL
;
233 int base
= TYPE_FILE
;
234 gboolean exec
= FALSE
;
236 if (mc_stat(path
, &info
) == 0)
238 base
= mode_to_base_type(info
.st_mode
);
239 if (info
.st_mode
& (S_IXUSR
| S_IXGRP
| S_IXOTH
))
243 if (base
== TYPE_FILE
)
244 type
= type_from_path(path
);
248 if (base
== TYPE_FILE
&& exec
)
249 type
= application_executable
;
251 type
= mime_type_from_base_type(base
);
257 /* Returns a pointer to the MIME-type.
258 * NULL if we can't think of anything.
260 MIME_type
*type_from_path(const char *path
)
262 const char *ext
, *dot
, *leafname
;
264 MIME_type
*type
= NULL
;
268 # ifdef WITH_GNOMEVFS
269 if (o_use_gnomevfs
.int_value
)
270 return get_mime_type(gnome_vfs_mime_type_from_name(path
), TRUE
);
274 leafname
= g_basename(path
);
276 type
= g_hash_table_lookup(literal_hash
, leafname
);
279 lower
= g_utf8_strdown(leafname
, -1);
280 type
= g_hash_table_lookup(literal_hash
, lower
);
286 while ((dot
= strchr(ext
, '.')))
290 type
= g_hash_table_lookup(extension_hash
, ext
);
295 type
= g_hash_table_lookup(extension_hash
,
296 lower
+ (ext
- leafname
));
301 for (i
= 0; i
< glob_patterns
->len
; i
++)
303 Pattern
*p
= glob_patterns
->pdata
[i
];
305 if (fnmatch(p
->glob
, leafname
, 0) == 0 ||
306 fnmatch(p
->glob
, lower
, 0) == 0)
319 /* Returns the file/dir in Choices for handling this type.
320 * NULL if there isn't one. g_free() the result.
322 static char *handler_for(MIME_type
*type
)
327 type_name
= g_strconcat(type
->media_type
, "_", type
->subtype
, NULL
);
328 open
= choices_find_path_load(type_name
, "MIME-types");
332 open
= choices_find_path_load(type
->media_type
, "MIME-types");
337 /* Actions for types */
339 gboolean
type_open(const char *path
, MIME_type
*type
)
341 gchar
*argv
[] = {NULL
, NULL
, NULL
};
346 argv
[1] = (char *) path
;
348 open
= handler_for(type
);
352 if (stat(open
, &info
))
354 report_error("stat(%s): %s", open
, g_strerror(errno
));
359 if (info
.st_mode
& S_IWOTH
)
364 report_error(_("Executable '%s' is world-writeable! Refusing "
365 "to run. Please change the permissions now (this "
366 "problem may have been caused by a bug in earlier "
367 "versions of the filer).\n\n"
368 "Having (non-symlink) run actions world-writeable "
369 "means that other people who use your computer can "
370 "replace your run actions with malicious versions.\n\n"
371 "If you trust everyone who could write to these files "
372 "then you needn't worry. Otherwise, you should check, "
373 "or even just delete, all the existing run actions."),
375 choices_dir
= g_dirname(open
);
376 paths
= g_list_append(NULL
, choices_dir
);
377 action_chmod(paths
, TRUE
, _("go-w (Fix security problem)"));
384 if (S_ISDIR(info
.st_mode
))
385 argv
[0] = g_strconcat(open
, "/AppRun", NULL
);
389 retval
= rox_spawn(home_dir
, (const gchar
**) argv
);
399 /* Return the image for this type, loading it if needed.
400 * Places to check are: (eg type="text_plain", base="text")
401 * 1. Choices:MIME-icons/<type>
402 * 2. Choices:MIME-icons/<base>
403 * 3. Unknown type icon.
405 * Note: You must g_object_unref() the image afterwards.
407 MaskedPixmap
*type_to_icon(MIME_type
*type
)
415 g_object_ref(im_unknown
);
420 /* Already got an image? */
423 /* Yes - don't recheck too often */
424 if (abs(now
- type
->image_time
) < 2)
426 g_object_ref(type
->image
);
429 g_object_unref(type
->image
);
433 type_name
= g_strconcat(type
->media_type
, "_",
434 type
->subtype
, ".png", NULL
);
435 path
= choices_find_path_load(type_name
, "MIME-icons");
438 strcpy(type_name
+ strlen(type
->media_type
), ".png");
439 path
= choices_find_path_load(type_name
, "MIME-icons");
446 type
->image
= g_fscache_lookup(pixmap_cache
, path
);
452 /* One ref from the type structure, one returned */
453 type
->image
= im_unknown
;
454 g_object_ref(im_unknown
);
457 type
->image_time
= now
;
459 g_object_ref(type
->image
);
463 GdkAtom
type_to_atom(MIME_type
*type
)
468 g_return_val_if_fail(type
!= NULL
, GDK_NONE
);
470 str
= g_strconcat(type
->media_type
, "/", type
->subtype
, NULL
);
471 retval
= gdk_atom_intern(str
, FALSE
);
477 static void show_shell_help(gpointer data
)
479 info_message(_("Enter a shell command which will load \"$1\" into "
480 "a suitable program. Eg:\n\n"
484 /* Called if the user clicks on the OK button. Returns FALSE if an error
485 * was displayed instead of performing the action.
487 static gboolean
set_shell_action(GtkWidget
*dialog
)
490 GtkToggleButton
*for_all
;
491 const guchar
*command
;
496 entry
= g_object_get_data(G_OBJECT(dialog
), "shell_command");
497 for_all
= g_object_get_data(G_OBJECT(dialog
), "set_for_all");
498 g_return_val_if_fail(entry
!= NULL
, FALSE
);
500 command
= gtk_entry_get_text(entry
);
502 if (!strchr(command
, '$'))
504 show_shell_help(NULL
);
508 path
= get_action_save_path(dialog
);
512 tmp
= g_strdup_printf("#! /bin/sh\nexec %s\n", command
);
515 fd
= open(path
, O_CREAT
| O_WRONLY
, 0755);
522 file
= fdopen(fd
, "w");
525 if (fwrite(tmp
, 1, len
, file
) < len
)
527 if (fclose(file
) && error
== 0)
535 report_error(g_strerror(error
));
540 gtk_widget_destroy(dialog
);
545 static void set_action_response(GtkWidget
*dialog
, gint response
, gpointer data
)
547 if (response
== GTK_RESPONSE_OK
)
548 if (!set_shell_action(dialog
))
550 gtk_widget_destroy(dialog
);
553 /* Called when a URI list is dropped onto the box in the Set Run Action
554 * dialog. Make sure it's an application, and make that the default
557 static void drag_app_dropped(GtkWidget
*eb
,
558 GdkDragContext
*context
,
561 GtkSelectionData
*selection_data
,
567 const gchar
*app
= NULL
;
570 if (!selection_data
->data
)
571 return; /* Timeout? */
573 uris
= uri_list_to_glist(selection_data
->data
);
575 if (g_list_length(uris
) == 1)
576 app
= get_local_path((guchar
*) uris
->data
);
582 _("You should drop a single (local) application "
583 "onto the drop box - that application will be "
584 "used to load files of this type in future"));
588 item
= diritem_new("");
589 diritem_restat(app
, item
, NULL
);
590 if (item
->flags
& (ITEM_FLAG_APPDIR
| ITEM_FLAG_EXEC_FILE
))
594 path
= get_action_save_path(dialog
);
598 if (symlink(app
, path
))
599 delayed_error("symlink: %s",
602 destroy_on_idle(dialog
);
609 _("This is not a program! Give me an application "
615 /* Find the current command which is used to run files of this type.
616 * Returns NULL on failure. g_free() the result.
618 static guchar
*get_current_command(MIME_type
*type
)
621 char *handler
, *nl
, *data
= NULL
;
623 guchar
*command
= NULL
;
625 handler
= handler_for(type
);
628 return NULL
; /* No current handler */
630 if (stat(handler
, &info
))
631 goto out
; /* Can't stat */
633 if ((!S_ISREG(info
.st_mode
)) || info
.st_size
> 256)
634 goto out
; /* Only use small regular files */
636 if (!load_file(handler
, &data
, &len
))
637 goto out
; /* Didn't load OK */
639 if (strncmp(data
, "#! /bin/sh\nexec ", 16) != 0)
640 goto out
; /* Not one of ours */
642 nl
= strchr(data
+ 16, '\n');
644 goto out
; /* No newline! */
646 command
= g_strndup(data
+ 16, nl
- data
- 16);
653 /* Find the current command which is used to run files of this type,
654 * and return a textual description of it.
655 * g_free() the result.
657 gchar
*describe_current_command(MIME_type
*type
)
664 g_return_val_if_fail(type
!= NULL
, NULL
);
666 if (type
== application_executable
)
667 return g_strdup(_("Execute file"));
669 handler
= handler_for(type
);
672 return g_strdup(_("No run action defined"));
674 target
= readlink_dup(handler
);
677 /* Cope with relative paths (shouldn't normally be needed) */
679 if (target
[0] == '/')
688 dir
= g_dirname(handler
);
690 handler
= g_strconcat(dir
, "/", target
, NULL
);
696 if (mc_stat(handler
, &info
) !=0 )
698 desc
= g_strdup_printf(_("Error in handler %s: %s"), handler
,
703 if (S_ISDIR(info
.st_mode
))
706 uid_t dir_uid
= info
.st_uid
;
708 tmp
= make_path(handler
, "AppRun")->str
;
710 if (mc_lstat(tmp
, &info
) != 0 || info
.st_uid
!= dir_uid
711 || !(info
.st_mode
& (S_IXUSR
| S_IXGRP
| S_IXOTH
)))
712 desc
= g_strdup_printf(
713 _("Invalid application %s (bad AppRun)"),
715 /* Else, just report handler... */
720 /* It's not an application directory, and it's not a symlink... */
722 if (access(handler
, X_OK
) != 0)
724 desc
= g_strdup_printf(_("Non-executable %s"), handler
);
728 desc
= get_current_command(type
);
738 /* Display a dialog box allowing the user to set the default run action
741 void type_set_handler_dialog(MIME_type
*type
)
746 GtkWidget
*frame
, *entry
, *label
;
747 GtkWidget
*radio
, *eb
, *hbox
;
748 GtkTargetEntry targets
[] = {
749 {"text/uri-list", 0, TARGET_URI_LIST
},
752 g_return_if_fail(type
!= NULL
);
754 dialog
= GTK_DIALOG(gtk_dialog_new());
755 gtk_dialog_set_has_separator(dialog
, FALSE
);
756 gtk_window_set_position(GTK_WINDOW(dialog
), GTK_WIN_POS_MOUSE
);
758 g_object_set_data(G_OBJECT(dialog
), "mime_type", type
);
760 gtk_window_set_title(GTK_WINDOW(dialog
), _("Set run action"));
762 tmp
= g_strdup_printf(_("Set default for all `%s/<anything>'"),
764 radio
= gtk_radio_button_new_with_label(NULL
, tmp
);
766 g_object_set_data(G_OBJECT(dialog
), "set_for_all", radio
);
768 tmp
= g_strdup_printf(_("Only for the type `%s/%s'"), type
->media_type
,
770 gtk_box_pack_start(GTK_BOX(dialog
->vbox
), radio
, FALSE
, TRUE
, 0);
771 radio
= gtk_radio_button_new_with_label(
772 gtk_radio_button_get_group(GTK_RADIO_BUTTON(radio
)),
775 gtk_box_pack_start(GTK_BOX(dialog
->vbox
), radio
, FALSE
, TRUE
, 0);
776 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(radio
), TRUE
);
778 frame
= gtk_frame_new(NULL
);
779 gtk_box_pack_start(GTK_BOX(dialog
->vbox
), frame
, TRUE
, TRUE
, 4);
780 gtk_frame_set_shadow_type(GTK_FRAME(frame
), GTK_SHADOW_IN
);
781 eb
= gtk_event_box_new();
782 gtk_container_add(GTK_CONTAINER(frame
), eb
);
784 gtk_container_set_border_width(GTK_CONTAINER(eb
), 4);
786 handler
= handler_for(type
);
791 link
= readlink_dup(handler
);
796 msg
= g_strdup_printf(_("Currently %s"), link
);
797 gtk_tooltips_set_tip(tooltips
, eb
, msg
, NULL
);
804 gtk_drag_dest_set(eb
, GTK_DEST_DEFAULT_ALL
,
805 targets
, sizeof(targets
) / sizeof(*targets
),
807 g_signal_connect(eb
, "drag_data_received",
808 G_CALLBACK(drag_app_dropped
), dialog
);
810 label
= gtk_label_new(_("Drop a suitable\napplication here"));
811 gtk_misc_set_padding(GTK_MISC(label
), 10, 20);
812 gtk_container_add(GTK_CONTAINER(eb
), label
);
814 hbox
= gtk_hbox_new(FALSE
, 4);
815 gtk_box_pack_start(GTK_BOX(dialog
->vbox
), hbox
, FALSE
, TRUE
, 4);
816 gtk_box_pack_start(GTK_BOX(hbox
), gtk_hseparator_new(), TRUE
, TRUE
, 0);
817 gtk_box_pack_start(GTK_BOX(hbox
), gtk_label_new(_("OR")),
819 gtk_box_pack_start(GTK_BOX(hbox
), gtk_hseparator_new(), TRUE
, TRUE
, 0);
821 hbox
= gtk_hbox_new(FALSE
, 4);
822 gtk_box_pack_start(GTK_BOX(dialog
->vbox
), hbox
, FALSE
, TRUE
, 0);
824 label
= gtk_label_new(_("Enter a shell command:")),
825 gtk_misc_set_alignment(GTK_MISC(label
), 0, .5);
826 gtk_box_pack_start(GTK_BOX(hbox
), label
, TRUE
, TRUE
, 4);
828 gtk_box_pack_start(GTK_BOX(hbox
),
829 new_help_button(show_shell_help
, NULL
), FALSE
, TRUE
, 0);
831 entry
= gtk_entry_new();
832 gtk_box_pack_start(GTK_BOX(dialog
->vbox
), entry
, FALSE
, TRUE
, 0);
833 gtk_widget_grab_focus(entry
);
834 g_object_set_data(G_OBJECT(dialog
), "shell_command", entry
);
835 gtk_entry_set_activates_default(GTK_ENTRY(entry
), TRUE
);
837 /* If possible, fill in the entry box with the current command */
838 tmp
= get_current_command(type
);
841 gtk_entry_set_text(GTK_ENTRY(entry
), tmp
);
842 gtk_editable_set_position(GTK_EDITABLE(entry
), -1);
847 gtk_entry_set_text(GTK_ENTRY(entry
), " \"$1\"");
848 gtk_editable_set_position(GTK_EDITABLE(entry
), 0);
851 gtk_dialog_add_buttons(dialog
,
852 GTK_STOCK_CANCEL
, GTK_RESPONSE_DELETE_EVENT
,
853 GTK_STOCK_OK
, GTK_RESPONSE_OK
,
856 hbox
= gtk_hbox_new(TRUE
, 4);
857 gtk_box_pack_start(GTK_BOX(dialog
->vbox
), hbox
, FALSE
, TRUE
, 0);
859 gtk_dialog_set_default_response(dialog
, GTK_RESPONSE_OK
);
861 g_signal_connect(dialog
, "response",
862 G_CALLBACK(set_action_response
), NULL
);
864 gtk_widget_show_all(GTK_WIDGET(dialog
));
867 /* The user wants to set a new default action for files of this type.
868 * Removes the current binding if possible and returns the path to
869 * save the new one to. NULL means cancel. g_free() the result.
871 char *get_action_save_path(GtkWidget
*dialog
)
875 guchar
*type_name
= NULL
;
877 GtkToggleButton
*for_all
;
879 g_return_val_if_fail(dialog
!= NULL
, NULL
);
880 type
= g_object_get_data(G_OBJECT(dialog
), "mime_type");
881 for_all
= g_object_get_data(G_OBJECT(dialog
), "set_for_all");
882 g_return_val_if_fail(for_all
!= NULL
&& type
!= NULL
, NULL
);
884 if (gtk_toggle_button_get_active(for_all
))
885 type_name
= g_strdup(type
->media_type
);
887 type_name
= g_strconcat(type
->media_type
, "_",
888 type
->subtype
, NULL
);
890 path
= choices_find_path_save("", PROJECT
, FALSE
);
894 _("Choices saving is disabled by CHOICESPATH variable"));
899 path
= choices_find_path_save(type_name
, "MIME-types", TRUE
);
901 if (lstat(path
, &info
) == 0)
903 /* A binding already exists... */
904 if (S_ISREG(info
.st_mode
) && info
.st_size
> 256)
906 if (get_choice(PROJECT
,
907 _("A run action already exists and is quite "
908 "a big program - are you sure you want to "
910 _("Cancel"), _("Delete")) != 1)
920 report_error(_("Can't remove %s: %s"),
921 path
, g_strerror(errno
));
933 MIME_type
*mime_type_from_base_type(int base_type
)
940 return inode_directory
;
945 case TYPE_BLOCK_DEVICE
:
946 return inode_block_dev
;
947 case TYPE_CHAR_DEVICE
:
948 return inode_char_dev
;
952 return inode_unknown
;
955 /* Takes the st_mode field from stat() and returns the base type.
956 * Should not be a symlink.
958 int mode_to_base_type(int st_mode
)
960 if (S_ISREG(st_mode
))
962 else if (S_ISDIR(st_mode
))
963 return TYPE_DIRECTORY
;
964 else if (S_ISBLK(st_mode
))
965 return TYPE_BLOCK_DEVICE
;
966 else if (S_ISCHR(st_mode
))
967 return TYPE_CHAR_DEVICE
;
968 else if (S_ISFIFO(st_mode
))
970 else if (S_ISSOCK(st_mode
))
972 else if (S_ISDOOR(st_mode
))
978 /* Returns TRUE is this is something that is run by looking up its type
979 * in MIME-types and, hence, can have its run action set.
981 gboolean
can_set_run_action(DirItem
*item
)
983 g_return_val_if_fail(item
!= NULL
, FALSE
);
985 return item
->base_type
== TYPE_FILE
&&
986 !(item
->mime_type
== application_executable
);
989 /* To edit the MIME types, open a filer window for <Choices>/MIME-info */
990 static void edit_mime_types(guchar
*unused
)
995 mkdir(make_path(home_dir
, ".mime")->str
, 0700);
996 path
= make_path(home_dir
, ".mime/packages")->str
;
998 filer_opendir(path
, NULL
, NULL
);
1000 path
= "/usr/local/share/mime/packages";
1001 if (mc_stat(path
, &info
) == 0)
1002 filer_opendir(path
, NULL
, NULL
);
1004 path
= "/usr/share/mime/packages";
1005 if (mc_stat(path
, &info
) == 0)
1006 filer_opendir(path
, NULL
, NULL
);
1009 static GList
*build_type_edit(Option
*none
, xmlNode
*node
, guchar
*label
)
1011 GtkWidget
*button
, *align
;
1013 g_return_val_if_fail(none
== NULL
, NULL
);
1015 align
= gtk_alignment_new(0.1, 0, 0.1, 0);
1016 button
= gtk_button_new_with_label(_(label
));
1017 gtk_container_add(GTK_CONTAINER(align
), button
);
1019 g_signal_connect_swapped(button
, "clicked",
1020 G_CALLBACK(edit_mime_types
), NULL
);
1022 return g_list_append(NULL
, align
);
1025 /* Parse file type colours and allocate/free them as necessary */
1026 static void alloc_type_colours(void)
1028 gboolean success
[NUM_TYPE_COLOURS
];
1029 int change_count
= 0; /* No. needing realloc */
1031 static gboolean allocated
= FALSE
;
1034 for (i
= 0; i
< NUM_TYPE_COLOURS
; i
++)
1036 GdkColor
*c
= &type_colours
[i
];
1038 gushort g
= c
->green
;
1039 gushort b
= c
->blue
;
1041 gdk_color_parse(o_type_colours
[i
].value
, &type_colours
[i
]);
1043 if (allocated
&& (c
->red
!= r
|| c
->green
!= g
|| c
->blue
!= b
))
1047 /* Free colours if they were previously allocated and
1048 * have changed or become unneeded.
1050 if (allocated
&& (change_count
|| !o_display_colour_types
.int_value
))
1052 gdk_colormap_free_colors(gdk_rgb_get_colormap(),
1053 type_colours
, NUM_TYPE_COLOURS
);
1057 /* Allocate colours, unless they are still allocated (=> they didn't
1058 * change) or we don't want them anymore.
1059 * XXX: what should be done if allocation fails?
1061 if (!allocated
&& o_display_colour_types
.int_value
)
1063 gdk_colormap_alloc_colors(gdk_rgb_get_colormap(),
1064 type_colours
, NUM_TYPE_COLOURS
,
1065 FALSE
, TRUE
, success
);
1070 /* Return a pointer to a (static) colour for this item. If colouring is
1071 * off, returns normal.
1073 GdkColor
*type_get_colour(DirItem
*item
, GdkColor
*normal
)
1075 int type
= item
->base_type
;
1077 if (!o_display_colour_types
.int_value
)
1080 if (item
->flags
& ITEM_FLAG_EXEC_FILE
)
1082 else if (item
->flags
& ITEM_FLAG_APPDIR
)
1085 g_return_val_if_fail(type
>= 0 && type
< NUM_TYPE_COLOURS
, normal
);
1087 return &type_colours
[type
];
1090 /* Process the 'Patterns' value */
1091 static void add_pattern(MIME_type
*type
, const char *pattern
, GHashTable
*globs
)
1093 if (pattern
[0] == '*' && pattern
[1] == '.' &&
1094 strpbrk(pattern
+ 2, "*?[") == NULL
)
1096 g_hash_table_insert(extension_hash
,
1097 g_strdup(pattern
+ 2),
1100 else if (strpbrk(pattern
, "*?[") == NULL
)
1101 g_hash_table_insert(literal_hash
, g_strdup(pattern
), type
);
1103 g_hash_table_insert(globs
, g_strdup(pattern
), type
);
1106 /* Load and parse this file. literal_hash and extension_hash are updated
1107 * directly. Other patterns are added to 'globs'.
1109 static void import_file(const gchar
*file
, GHashTable
*globs
)
1111 MIME_type
*type
= NULL
;
1112 GError
*error
= NULL
;
1115 if (access(file
, F_OK
) != 0)
1116 return; /* Doesn't exist. No problem. */
1118 if (!g_file_get_contents(file
, &data
, NULL
, &error
))
1120 delayed_error("Error loading MIME database:\n%s",
1122 g_error_free(error
);
1128 while (line
&& *line
)
1132 nl
= strchr(line
, '\n');
1142 colon
= strchr(line
, ':');
1145 delayed_error(_("File '%s' corrupted!"), file
);
1149 name
= g_strndup(line
, colon
- line
);
1150 type
= get_mime_type(name
, TRUE
);
1153 g_warning("Invalid type in '%s'", file
);
1155 add_pattern(type
, colon
+ 1, globs
);
1164 static void add_to_glob_patterns(gpointer key
, gpointer value
, gpointer unused
)
1168 pattern
= g_new(Pattern
, 1);
1169 pattern
->glob
= g_strdup((gchar
*) key
);
1170 pattern
->type
= (MIME_type
*) value
;
1171 pattern
->len
= strlen(pattern
->glob
);
1173 g_ptr_array_add(glob_patterns
, pattern
);
1176 static gint
sort_by_strlen(gconstpointer a
, gconstpointer b
)
1178 const Pattern
*pa
= *(const Pattern
**) a
;
1179 const Pattern
*pb
= *(const Pattern
**) b
;
1181 if (pa
->len
> pb
->len
)
1183 else if (pa
->len
== pb
->len
)
1188 /* Clear all currently stored information and re-read everything */
1189 static void load_mime_types(void)
1195 glob_patterns
= g_ptr_array_new();
1200 for (i
= glob_patterns
->len
- 1; i
>= 0; i
--)
1202 Pattern
*p
= glob_patterns
->pdata
[i
];
1206 g_ptr_array_set_size(glob_patterns
, 0);
1210 g_hash_table_destroy(literal_hash
);
1212 g_hash_table_destroy(extension_hash
);
1213 literal_hash
= g_hash_table_new_full(g_str_hash
, g_str_equal
,
1215 extension_hash
= g_hash_table_new_full(g_str_hash
, g_str_equal
,
1217 globs
= g_hash_table_new_full(g_str_hash
, g_str_equal
, g_free
, NULL
);
1219 import_file("/usr/share/mime/globs", globs
);
1220 import_file("/usr/local/share/mime/globs", globs
);
1222 tmp
= g_strconcat(home_dir
, "/.mime/globs", NULL
);
1223 import_file(tmp
, globs
);
1226 /* Turn the globs hash into a pointer array */
1227 g_hash_table_foreach(globs
, add_to_glob_patterns
, NULL
);
1228 g_hash_table_destroy(globs
);
1231 if (glob_patterns
->len
)
1232 g_ptr_array_sort(glob_patterns
, sort_by_strlen
);
1234 if (g_hash_table_size(extension_hash
) == 0)
1236 delayed_error(_("The standard MIME type database "
1237 "(version 0.8 or later) was not found. "
1238 "The filer will probably not show the correct "
1239 "types for different files. You should download and "
1240 "install the 'shared-mime-info-0.8' package from "
1242 "http://www.freedesktop.org/standards/shared-mime-info.html"));