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Add a command line option to list supported types 

Make it work without a display connection.
This commit is contained in:
Přemysl Eric Janouch 2021-11-18 12:44:25 +01:00
parent 47293cfc10
commit 06af1a3cc9
Signed by: p
GPG Key ID: A0420B94F92B9493
3 changed files with 42 additions and 7 deletions
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22
fastiv-io.c
View File

@ -78,6 +78,28 @@ const char *fastiv_io_supported_media_types[] = {
NULL
};
char **
fastiv_io_all_supported_media_types(void)
{
GPtrArray *types = g_ptr_array_new();
for (const char **p = fastiv_io_supported_media_types; *p; p++)
g_ptr_array_add(types, g_strdup(*p));
#ifdef HAVE_GDKPIXBUF
GSList *formats = gdk_pixbuf_get_formats();
for (GSList *iter = formats; iter; iter = iter->next) {
gchar **subtypes = gdk_pixbuf_format_get_mime_types(iter->data);
for (gchar **p = subtypes; *p; p++)
g_ptr_array_add(types, *p);
g_free(subtypes);
}
g_slist_free(formats);
#endif // HAVE_GDKPIXBUF
g_ptr_array_add(types, NULL);
return (char **) g_ptr_array_free(types, FALSE);
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
#define FASTIV_IO_ERROR fastiv_io_error_quark()

2
fastiv-io.h
View File

@ -22,6 +22,8 @@
extern const char *fastiv_io_supported_media_types[];
char **fastiv_io_all_supported_media_types(void);
cairo_surface_t *fastiv_io_open(const gchar *path, GError **error);
cairo_surface_t *fastiv_io_open_from_data(
const char *data, size_t len, const gchar *path, GError **error);

25
fastiv.c
View File

@ -396,24 +396,33 @@ on_button_press_browser(G_GNUC_UNUSED GtkWidget *widget, GdkEventButton *event)
int
main(int argc, char *argv[])
{
gboolean show_version = FALSE;
gboolean show_version = FALSE, show_supported_media_types = FALSE;
gchar **path_args = NULL;
const GOptionEntry options[] = {
{G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &path_args,
NULL, "[FILE | DIRECTORY]"},
{"list-supported-media-types", 0, G_OPTION_FLAG_IN_MAIN,
G_OPTION_ARG_NONE, &show_supported_media_types,
"Output supported media types and exit", NULL},
{"version", 'V', G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_NONE,
&show_version, "output version information and exit", NULL},
&show_version, "Output version information and exit", NULL},
{},
};
GError *error = NULL;
if (!gtk_init_with_args(
&argc, &argv, " - fast image viewer", options, NULL, &error))
exit_fatal("%s", error->message);
gboolean initialized = gtk_init_with_args(
&argc, &argv, " - fast image viewer", options, NULL, &error);
if (show_version) {
printf(PROJECT_NAME " " PROJECT_VERSION "\n");
return 0;
}
if (show_supported_media_types) {
for (char **types = fastiv_io_all_supported_media_types(); *types; )
g_print("%s\n", *types++);
return 0;
}
if (!initialized)
exit_fatal("%s", error->message);
// NOTE: Firefox and Eye of GNOME both interpret multiple arguments
// in a special way. This is problematic, because one-element lists
@ -506,8 +515,10 @@ main(int argc, char *argv[])
G_CALLBACK(on_key_press), NULL);
gtk_container_add(GTK_CONTAINER(g.window), g.stack);
// TODO(p): Also milk gdk-pixbuf, if linked in, needs to be done in runtime.
g.supported_globs = extract_mime_globs(fastiv_io_supported_media_types);
char **types = fastiv_io_all_supported_media_types();
g.supported_globs = extract_mime_globs((const char **) types);
g_strfreev(types);
g.files = g_ptr_array_new_full(16, g_free);
gchar *cwd = g_get_current_dir();