X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=gtk%2Fgtkrecentfilter.c;h=d2963344988d5727ae2455b54b7a63bce71230df;hb=HEAD;hp=ad8b9773f160dc34fd499bbcdd7c10778e689fc6;hpb=fee3aa919daeec6b53bd9027646d3ec443384262;p=~andy%2Fgtk diff --git a/gtk/gtkrecentfilter.c b/gtk/gtkrecentfilter.c index ad8b9773f..d29633449 100644 --- a/gtk/gtkrecentfilter.c +++ b/gtk/gtkrecentfilter.c @@ -13,24 +13,89 @@ * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. + * License along with this library. If not, see . + */ + +/** + * SECTION:gtkrecentfilter + * @Short_Description: A filter for selecting a subset of recently used files + * @Title: GtkRecentFilter + * + * A #GtkRecentFilter can be used to restrict the files being shown + * in a #GtkRecentChooser. Files can be filtered based on their name + * (with gtk_recent_filter_add_pattern()), on their mime type (with + * gtk_file_filter_add_mime_type()), on the application that has + * registered them (with gtk_recent_filter_add_application()), or by + * a custom filter function (with gtk_recent_filter_add_custom()). + * + * Filtering by mime type handles aliasing and subclassing of mime + * types; e.g. a filter for text/plain also matches a file with mime + * type application/rtf, since application/rtf is a subclass of text/plain. + * Note that #GtkRecentFilter allows wildcards for the subtype of a + * mime type, so you can e.g. filter for image/*. + * + * Normally, filters are used by adding them to a #GtkRecentChooser, + * see gtk_recent_chooser_add_filter(), but it is also possible to + * manually use a filter on a file with gtk_recent_filter_filter(). + * + * Recently used files are supported since GTK+ 2.10. + * + * + * GtkRecentFilter as GtkBuildable + * + * The GtkRecentFilter implementation of the GtkBuildable interface + * supports adding rules using the <mime-types>, <patterns> and + * <applications> elements and listing the rules within. Specifying + * a <mime-type>, <pattern> or <application> is the same + * as calling gtk_recent_filter_add_mime_type(), gtk_recent_filter_add_pattern() + * or gtk_recent_filter_add_application(). + * + * + * A UI definition fragment specifying GtkRecentFilter rules + * + * + * text/plain + * image/png + * + * + * *.txt + * *.png + * + * + * gimp + * gedit + * glade + * + * + * ]]> + * + * + * */ #include "config.h" #include +#include + #include "gtkrecentfilter.h" +#include "gtkbuildable.h" #include "gtkintl.h" #include "gtkprivate.h" -#include "gtkalias.h" - -#ifdef G_OS_UNIX -#define XDG_PREFIX _gtk_xdg -#include "xdgmime/xdgmime.h" -#endif +static void gtk_recent_filter_buildable_init (GtkBuildableIface *iface); +static gboolean gtk_recent_filter_buildable_custom_tag_start (GtkBuildable *buildable, + GtkBuilder *builder, + GObject *child, + const gchar *tagname, + GMarkupParser *parser, + gpointer *data); +static void gtk_recent_filter_buildable_custom_tag_end (GtkBuildable *buildable, + GtkBuilder *builder, + GObject *child, + const gchar *tagname, + gpointer *data); typedef struct _GtkRecentFilterClass GtkRecentFilterClass; typedef struct _FilterRule FilterRule; @@ -48,8 +113,8 @@ typedef enum { struct _GtkRecentFilter { - GtkObject parent_instance; - + GInitiallyUnowned parent_instance; + gchar *name; GSList *rules; @@ -58,7 +123,7 @@ struct _GtkRecentFilter struct _GtkRecentFilterClass { - GtkObjectClass parent_class; + GInitiallyUnownedClass parent_class; }; struct _FilterRule @@ -82,7 +147,9 @@ struct _FilterRule } u; }; -G_DEFINE_TYPE (GtkRecentFilter, gtk_recent_filter, GTK_TYPE_OBJECT) +G_DEFINE_TYPE_WITH_CODE (GtkRecentFilter, gtk_recent_filter, G_TYPE_INITIALLY_UNOWNED, + G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE, + gtk_recent_filter_buildable_init)) static void @@ -154,6 +221,178 @@ gtk_recent_filter_init (GtkRecentFilter *filter) } + +/* + * GtkBuildable implementation + */ +static void +gtk_recent_filter_buildable_init (GtkBuildableIface *iface) +{ + iface->custom_tag_start = gtk_recent_filter_buildable_custom_tag_start; + iface->custom_tag_end = gtk_recent_filter_buildable_custom_tag_end; +} + + +typedef enum { + PARSE_MIME_TYPES, + PARSE_PATTERNS, + PARSE_APPLICATIONS +} ParserType; + +typedef struct { + GtkRecentFilter *filter; + ParserType type; + GString *string; + gboolean parsing; +} SubParserData; + +static void +parser_start_element (GMarkupParseContext *context, + const gchar *element_name, + const gchar **names, + const gchar **values, + gpointer user_data, + GError **error) +{ + SubParserData *parser_data = (SubParserData*)user_data; + + if (strcmp (element_name, "mime-types") == 0) + return; + else if (strcmp (element_name, "mime-type") == 0) + { + parser_data->parsing = TRUE; + return; + } + else if (strcmp (element_name, "patterns") == 0) + return; + else if (strcmp (element_name, "pattern") == 0) + { + parser_data->parsing = TRUE; + return; + } + else if (strcmp (element_name, "applications") == 0) + return; + else if (strcmp (element_name, "application") == 0) + { + parser_data->parsing = TRUE; + return; + } + else + g_warning ("Unsupported tag for GtkRecentFilter: %s\n", element_name); +} + +static void +parser_text_element (GMarkupParseContext *context, + const gchar *text, + gsize text_len, + gpointer user_data, + GError **error) +{ + SubParserData *parser_data = (SubParserData*)user_data; + + if (parser_data->parsing) + g_string_append_len (parser_data->string, text, text_len); +} + +static void +parser_end_element (GMarkupParseContext *context, + const gchar *element_name, + gpointer user_data, + GError **error) +{ + SubParserData *parser_data = (SubParserData*)user_data; + + if (parser_data->string) + { + switch (parser_data->type) + { + case PARSE_MIME_TYPES: + gtk_recent_filter_add_mime_type (parser_data->filter, parser_data->string->str); + break; + case PARSE_PATTERNS: + gtk_recent_filter_add_pattern (parser_data->filter, parser_data->string->str); + break; + case PARSE_APPLICATIONS: + gtk_recent_filter_add_application (parser_data->filter, parser_data->string->str); + break; + default: + break; + } + } + + g_string_set_size (parser_data->string, 0); + parser_data->parsing = FALSE; +} + +static const GMarkupParser sub_parser = + { + parser_start_element, + parser_end_element, + parser_text_element, + }; + +static gboolean +gtk_recent_filter_buildable_custom_tag_start (GtkBuildable *buildable, + GtkBuilder *builder, + GObject *child, + const gchar *tagname, + GMarkupParser *parser, + gpointer *data) +{ + SubParserData *parser_data = NULL; + + if (strcmp (tagname, "mime-types") == 0) + { + parser_data = g_slice_new0 (SubParserData); + parser_data->string = g_string_new (""); + parser_data->type = PARSE_MIME_TYPES; + parser_data->filter = GTK_RECENT_FILTER (buildable); + + *parser = sub_parser; + *data = parser_data; + } + else if (strcmp (tagname, "patterns") == 0) + { + parser_data = g_slice_new0 (SubParserData); + parser_data->string = g_string_new (""); + parser_data->type = PARSE_PATTERNS; + parser_data->filter = GTK_RECENT_FILTER (buildable); + + *parser = sub_parser; + *data = parser_data; + } + else if (strcmp (tagname, "applications") == 0) + { + parser_data = g_slice_new0 (SubParserData); + parser_data->string = g_string_new (""); + parser_data->type = PARSE_APPLICATIONS; + parser_data->filter = GTK_RECENT_FILTER (buildable); + + *parser = sub_parser; + *data = parser_data; + } + + return parser_data != NULL; +} + +static void +gtk_recent_filter_buildable_custom_tag_end (GtkBuildable *buildable, + GtkBuilder *builder, + GObject *child, + const gchar *tagname, + gpointer *data) +{ + if (strcmp (tagname, "mime-types") == 0 || + strcmp (tagname, "patterns") == 0 || + strcmp (tagname, "applications") == 0) + { + SubParserData *parser_data = (SubParserData*)data; + + g_string_free (parser_data->string, TRUE); + g_slice_free (SubParserData, parser_data); + } +} + /* * Public API */ @@ -217,7 +456,7 @@ gtk_recent_filter_set_name (GtkRecentFilter *filter, * * Since: 2.10 */ -G_CONST_RETURN gchar * +const gchar * gtk_recent_filter_get_name (GtkRecentFilter *filter) { g_return_val_if_fail (GTK_IS_RECENT_FILTER (filter), NULL); @@ -490,12 +729,8 @@ gtk_recent_filter_filter (GtkRecentFilter *filter, switch (rule->type) { case FILTER_RULE_MIME_TYPE: - if ((filter_info->mime_type != NULL) -#ifdef G_OS_UNIX - && (xdg_mime_mime_type_subclass (filter_info->mime_type, rule->u.mime_type))) -#else - && (strcmp (filter_info->mime_type, rule->u.mime_type) == 0)) -#endif + if (filter_info->mime_type != NULL && + g_content_type_is_a (filter_info->mime_type, rule->u.mime_type)) return TRUE; break; case FILTER_RULE_APPLICATION: @@ -572,6 +807,3 @@ gtk_recent_filter_filter (GtkRecentFilter *filter, return FALSE; } - -#define __GTK_RECENT_FILTER_C__ -#include "gtkaliasdef.c"