Trim trailing white spaces.
[geeqie.git] / src / metadata.c
index 5552371..88c9cad 100644 (file)
@@ -1,7 +1,7 @@
 /*
  * Geeqie
  * (C) 2004 John Ellis
- * Copyright (C) 2008 - 2009 The Geeqie Team
+ * Copyright (C) 2008 - 2012 The Geeqie Team
  *
  * Author: John Ellis, Laurent Monin
  *
@@ -23,7 +23,7 @@
 #include "ui_misc.h"
 #include "utilops.h"
 #include "filefilter.h"
-#include "layout.h"
+#include "layout_util.h"
 #include "rcfile.h"
 
 typedef enum {
@@ -32,11 +32,141 @@ typedef enum {
        MK_COMMENT
 } MetadataKey;
 
-static const gchar *group_keys[] = {KEYWORD_KEY, COMMENT_KEY, NULL}; /* tags that will be written to all files in a group */
+static const gchar *group_keys[] = { /* tags that will be written to all files in a group, options->metadata.sync_grouped_files */
+       "Xmp.dc.title",
+       "Xmp.photoshop.Urgency",
+       "Xmp.photoshop.Category",
+       "Xmp.photoshop.SupplementalCategory",
+       "Xmp.dc.subject",
+       "Xmp.iptc.Location",
+       "Xmp.photoshop.Instruction",
+       "Xmp.photoshop.DateCreated",
+       "Xmp.dc.creator",
+       "Xmp.photoshop.AuthorsPosition",
+       "Xmp.photoshop.City",
+       "Xmp.photoshop.State",
+       "Xmp.iptc.CountryCode",
+       "Xmp.photoshop.Country",
+       "Xmp.photoshop.TransmissionReference",
+       "Xmp.photoshop.Headline",
+       "Xmp.photoshop.Credit",
+       "Xmp.photoshop.Source",
+       "Xmp.dc.rights",
+       "Xmp.dc.description",
+       "Xmp.photoshop.CaptionWriter",
+       NULL};
 
 static gboolean metadata_write_queue_idle_cb(gpointer data);
 static gboolean metadata_legacy_write(FileData *fd);
 static void metadata_legacy_delete(FileData *fd, const gchar *except);
+static gboolean metadata_file_read(gchar *path, GList **keywords, gchar **comment);
+
+
+/*
+ *-------------------------------------------------------------------
+ * long-term cache - keep keywords from whole dir in memory
+ *-------------------------------------------------------------------
+ */
+
+/* fd->cached metadata list of lists
+   each particular list contains key as a first entry, then the values
+*/
+
+static void metadata_cache_update(FileData *fd, const gchar *key, const GList *values)
+{
+       GList *work;
+       
+       work = fd->cached_metadata;
+       while (work)
+               {
+               GList *entry = work->data;
+               gchar *entry_key = entry->data;
+               
+               if (strcmp(entry_key, key) == 0)
+                       {
+                       /* key found - just replace values */
+                       GList *old_values = entry->next;
+                       entry->next = NULL;
+                       old_values->prev = NULL;
+                       string_list_free(old_values);
+                       work->data = g_list_append(entry, string_list_copy(values));
+                       DEBUG_1("updated %s %s\n", key, fd->path);
+                       return;
+                       }
+               work = work->next;
+               }
+       
+       /* key not found - prepend new entry */
+       fd->cached_metadata = g_list_prepend(fd->cached_metadata,
+                               g_list_prepend(string_list_copy(values), g_strdup(key)));
+       DEBUG_1("added %s %s\n", key, fd->path);
+
+}
+
+static const GList *metadata_cache_get(FileData *fd, const gchar *key)
+{
+       GList *work;
+       
+       work = fd->cached_metadata;
+       while (work)
+               {
+               GList *entry = work->data;
+               gchar *entry_key = entry->data;
+               
+               if (strcmp(entry_key, key) == 0)
+                       {
+                       /* key found */
+                       DEBUG_1("found %s %s\n", key, fd->path);
+                       return entry;
+                       }
+               work = work->next;
+               }
+       return NULL;
+       DEBUG_1("not found %s %s\n", key, fd->path);
+}
+
+static void metadata_cache_remove(FileData *fd, const gchar *key)
+{
+       GList *work;
+       
+       work = fd->cached_metadata;
+       while (work)
+               {
+               GList *entry = work->data;
+               gchar *entry_key = entry->data;
+               
+               if (strcmp(entry_key, key) == 0)
+                       {
+                       /* key found */
+                       string_list_free(entry);
+                       fd->cached_metadata = g_list_delete_link(fd->cached_metadata, work);
+                       DEBUG_1("removed %s %s\n", key, fd->path);
+                       return;
+                       }
+               work = work->next;
+               }
+       DEBUG_1("not removed %s %s\n", key, fd->path);
+}
+
+void metadata_cache_free(FileData *fd)
+{
+       GList *work;
+       if (fd->cached_metadata) DEBUG_1("freed %s\n", fd->path);
+       
+       work = fd->cached_metadata;
+       while (work)
+               {
+               GList *entry = work->data;
+               string_list_free(entry);
+               
+               work = work->next;
+               }
+       g_list_free(fd->cached_metadata);
+       fd->cached_metadata = NULL;
+}
+
+
+
 
 
 
@@ -56,10 +186,10 @@ static void metadata_write_queue_add(FileData *fd)
                metadata_write_queue = g_list_prepend(metadata_write_queue, fd);
                file_data_ref(fd);
                
-               layout_status_update_write_all();
+               layout_util_status_update_write_all();
                }
 
-       if (metadata_write_idle_id) 
+       if (metadata_write_idle_id)
                {
                g_source_remove(metadata_write_idle_id);
                metadata_write_idle_id = 0;
@@ -84,7 +214,7 @@ gboolean metadata_write_queue_remove(FileData *fd)
 
        file_data_unref(fd);
 
-       layout_status_update_write_all();
+       layout_util_status_update_write_all();
        return TRUE;
 }
 
@@ -103,8 +233,25 @@ gboolean metadata_write_queue_remove_list(GList *list)
        return ret;
 }
 
+void metadata_notify_cb(FileData *fd, NotifyType type, gpointer data)
+{
+       if (type & (NOTIFY_REREAD | NOTIFY_CHANGE))
+               {
+               metadata_cache_free(fd);
+               
+               if (g_list_find(metadata_write_queue, fd))
+                       {
+                       DEBUG_1("Notify metadata: %s %04x", fd->path, type);
+                       if (!isname(fd->path))
+                               {
+                               /* ignore deleted files */
+                               metadata_write_queue_remove(fd);
+                               }
+                       }
+               }
+}
 
-gboolean metadata_write_queue_confirm(FileUtilDoneFunc done_func, gpointer done_data)
+gboolean metadata_write_queue_confirm(gboolean force_dialog, FileUtilDoneFunc done_func, gpointer done_data)
 {
        GList *work;
        GList *to_approve = NULL;
@@ -115,21 +262,26 @@ gboolean metadata_write_queue_confirm(FileUtilDoneFunc done_func, gpointer done_
                FileData *fd = work->data;
                work = work->next;
                
+               if (!isname(fd->path))
+                       {
+                       /* ignore deleted files */
+                       metadata_write_queue_remove(fd);
+                       continue;
+                       }
+               
                if (fd->change) continue; /* another operation in progress, skip this file for now */
                
                to_approve = g_list_prepend(to_approve, file_data_ref(fd));
                }
 
-       file_util_write_metadata(NULL, to_approve, NULL, done_func, done_data);
-       
-       filelist_free(to_approve);
+       file_util_write_metadata(NULL, to_approve, NULL, force_dialog, done_func, done_data);
        
        return (metadata_write_queue != NULL);
 }
 
 static gboolean metadata_write_queue_idle_cb(gpointer data)
 {
-       metadata_write_queue_confirm(NULL, NULL);
+       metadata_write_queue_confirm(FALSE, NULL, NULL);
        metadata_write_idle_id = 0;
        return FALSE;
 }
@@ -141,7 +293,7 @@ gboolean metadata_write_perform(FileData *fd)
        
        g_assert(fd->change);
        
-       if (fd->change->dest && 
+       if (fd->change->dest &&
            strcmp(extension_from_path(fd->change->dest), GQ_CACHE_EXT_METADATA) == 0)
                {
                success = metadata_legacy_write(fd);
@@ -150,23 +302,23 @@ gboolean metadata_write_perform(FileData *fd)
                }
 
        /* write via exiv2 */
-       /*  we can either use cached metadata which have fd->modified_xmp already applied 
+       /*  we can either use cached metadata which have fd->modified_xmp already applied
                                     or read metadata from file and apply fd->modified_xmp
            metadata are read also if the file was modified meanwhile */
-       exif = exif_read_fd(fd); 
+       exif = exif_read_fd(fd);
        if (!exif) return FALSE;
 
        success = (fd->change->dest) ? exif_write_sidecar(exif, fd->change->dest) : exif_write(exif); /* write modified metadata */
        exif_free_fd(fd, exif);
 
        if (fd->change->dest)
-               /* this will create a FileData for the sidecar and link it to the main file 
+               /* this will create a FileData for the sidecar and link it to the main file
                   (we can't wait until the sidecar is discovered by directory scanning because
-                   exif_read_fd is called before that and it would read the main file only and 
+                   exif_read_fd is called before that and it would read the main file only and
                    store the metadata in the cache)
                    FIXME: this does not catch new sidecars created by independent external programs
                */
-               file_data_unref(file_data_new_simple(fd->change->dest)); 
+               file_data_unref(file_data_new_group(fd->change->dest));
                
        if (success) metadata_legacy_delete(fd, fd->change->dest);
        return success;
@@ -189,6 +341,25 @@ static gboolean metadata_check_key(const gchar *keys[], const gchar *key)
        return FALSE;
 }
 
+gboolean metadata_write_revert(FileData *fd, const gchar *key)
+{
+       if (!fd->modified_xmp) return FALSE;
+       
+       g_hash_table_remove(fd->modified_xmp, key);
+       
+       if (g_hash_table_size(fd->modified_xmp) == 0)
+               {
+               metadata_write_queue_remove(fd);
+               }
+       else
+               {
+               /* reread the metadata to restore the original value */
+               file_data_increment_version(fd);
+               file_data_send_notification(fd, NOTIFY_REREAD);
+               }
+       return TRUE;
+}
+
 gboolean metadata_write_list(FileData *fd, const gchar *key, const GList *values)
 {
        if (!fd->modified_xmp)
@@ -196,6 +367,9 @@ gboolean metadata_write_list(FileData *fd, const gchar *key, const GList *values
                fd->modified_xmp = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, (GDestroyNotify)string_list_free);
                }
        g_hash_table_insert(fd->modified_xmp, g_strdup(key), string_list_copy((GList *)values));
+       
+       metadata_cache_remove(fd, key);
+       
        if (fd->exif)
                {
                exif_update_metadata(fd->exif, key, values);
@@ -213,7 +387,7 @@ gboolean metadata_write_list(FileData *fd, const gchar *key, const GList *values
                        FileData *sfd = work->data;
                        work = work->next;
                        
-                       if (filter_file_class(sfd->extension, FORMAT_CLASS_META)) continue; 
+                       if (filter_file_class(sfd->extension, FORMAT_CLASS_META)) continue;
 
                        metadata_write_list(sfd, key, values);
                        }
@@ -231,6 +405,13 @@ gboolean metadata_write_string(FileData *fd, const gchar *key, const char *value
        return ret;
 }
 
+gboolean metadata_write_int(FileData *fd, const gchar *key, guint64 value)
+{
+       gchar string[50];
+       
+       g_snprintf(string, sizeof(string), "%llu", (unsigned long long) value);
+       return metadata_write_string(fd, key, string);
+}
 
 /*
  *-------------------------------------------------------------------
@@ -238,12 +419,9 @@ gboolean metadata_write_string(FileData *fd, const gchar *key, const char *value
  *-------------------------------------------------------------------
  */
 
-static gboolean metadata_file_write(gchar *path, GHashTable *modified_xmp)
+static gboolean metadata_file_write(gchar *path, const GList *keywords, const gchar *comment)
 {
        SecureSaveInfo *ssi;
-       GList *keywords = g_hash_table_lookup(modified_xmp, KEYWORD_KEY);
-       GList *comment_l = g_hash_table_lookup(modified_xmp, COMMENT_KEY);
-       gchar *comment = comment_l ? comment_l->data : NULL;
 
        ssi = secure_open(path);
        if (!ssi) return FALSE;
@@ -272,17 +450,36 @@ static gboolean metadata_legacy_write(FileData *fd)
 {
        gboolean success = FALSE;
        gchar *metadata_pathl;
+       gpointer keywords;
+       gpointer comment_l;
+       gboolean have_keywords;
+       gboolean have_comment;
+       const gchar *comment;
+       GList *orig_keywords = NULL;
+       gchar *orig_comment = NULL;
 
        g_assert(fd->change && fd->change->dest);
 
        DEBUG_1("Saving comment: %s", fd->change->dest);
 
+       if (!fd->modified_xmp) return TRUE;
+
        metadata_pathl = path_from_utf8(fd->change->dest);
 
-       success = metadata_file_write(metadata_pathl, fd->modified_xmp);
+       have_keywords = g_hash_table_lookup_extended(fd->modified_xmp, KEYWORD_KEY, NULL, &keywords);
+       have_comment = g_hash_table_lookup_extended(fd->modified_xmp, COMMENT_KEY, NULL, &comment_l);
+       comment = (have_comment && comment_l) ? ((GList *)comment_l)->data : NULL;
+       
+       if (!have_keywords || !have_comment) metadata_file_read(metadata_pathl, &orig_keywords, &orig_comment);
+       
+       success = metadata_file_write(metadata_pathl,
+                                     have_keywords ? (GList *)keywords : orig_keywords,
+                                     have_comment ? comment : orig_comment);
 
        g_free(metadata_pathl);
-
+       g_free(orig_comment);
+       string_list_free(orig_keywords);
+       
        return success;
 }
 
@@ -345,7 +542,7 @@ static gboolean metadata_file_read(gchar *path, GList **keywords, gchar **commen
        
        fclose(f);
 
-       if (keywords) 
+       if (keywords)
                {
                *keywords = g_list_reverse(list);
                }
@@ -387,21 +584,26 @@ static void metadata_legacy_delete(FileData *fd, const gchar *except)
        if (!fd) return;
 
        metadata_path = cache_find_location(CACHE_TYPE_METADATA, fd->path);
-       if (metadata_path && (!except || strcmp(metadata_path, except) != 0)) 
+       if (metadata_path && (!except || strcmp(metadata_path, except) != 0))
                {
                metadata_pathl = path_from_utf8(metadata_path);
                unlink(metadata_pathl);
                g_free(metadata_pathl);
                g_free(metadata_path);
                }
+
+#ifdef HAVE_EXIV2
+       /* without exiv2: do not delete xmp metadata because we are not able to convert it,
+          just ignore it */
        metadata_path = cache_find_location(CACHE_TYPE_XMP_METADATA, fd->path);
-       if (metadata_path && (!except || strcmp(metadata_path, except) != 0)) 
+       if (metadata_path && (!except || strcmp(metadata_path, except) != 0))
                {
                metadata_pathl = path_from_utf8(metadata_path);
                unlink(metadata_pathl);
                g_free(metadata_pathl);
                g_free(metadata_path);
                }
+#endif
 }
 
 static gboolean metadata_legacy_read(FileData *fd, GList **keywords, gchar **comment)
@@ -453,6 +655,7 @@ GList *metadata_read_list(FileData *fd, const gchar *key, MetadataFormat format)
 {
        ExifData *exif;
        GList *list = NULL;
+       const GList *cache_entry;
        if (!fd) return NULL;
 
        /* unwritten data overide everything */
@@ -462,7 +665,14 @@ GList *metadata_read_list(FileData *fd, const gchar *key, MetadataFormat format)
                if (list) return string_list_copy(list);
                }
 
-       /* 
+
+       if (format == METADATA_PLAIN && strcmp(key, KEYWORD_KEY) == 0
+           && (cache_entry = metadata_cache_get(fd, key)))
+               {
+               return string_list_copy(cache_entry->next);
+               }
+
+       /*
            Legacy metadata file is the primary source if it exists.
            Merging the lists does not make much sense, because the existence of
            legacy metadata file indicates that the other metadata sources are not
@@ -471,8 +681,15 @@ GList *metadata_read_list(FileData *fd, const gchar *key, MetadataFormat format)
        */
        if (strcmp(key, KEYWORD_KEY) == 0)
                {
-               if (metadata_legacy_read(fd, &list, NULL)) return list;
-               }
+               if (metadata_legacy_read(fd, &list, NULL))
+                       {
+                       if (format == METADATA_PLAIN)
+                               {
+                               metadata_cache_update(fd, key, list);
+                               }
+                       return list;
+                       }
+               }
        else if (strcmp(key, COMMENT_KEY) == 0)
                {
                gchar *comment = NULL;
@@ -487,6 +704,12 @@ GList *metadata_read_list(FileData *fd, const gchar *key, MetadataFormat format)
        if (!exif) return NULL;
        list = exif_get_metadata(exif, key, format);
        exif_free_fd(fd, exif);
+       
+       if (format == METADATA_PLAIN && strcmp(key, KEYWORD_KEY) == 0)
+               {
+               metadata_cache_update(fd, key, list);
+               }
+               
        return list;
 }
 
@@ -531,11 +754,11 @@ gdouble metadata_read_GPS_coord(FileData *fd, const gchar *key, gdouble fallback
                min = g_ascii_strtod(endptr + 1, &endptr);
                if (*endptr == ',')
                        sec = g_ascii_strtod(endptr + 1, &endptr);
-               else 
+               else
                        sec = 0.0;
                
                
-               if (*endptr == 'S' || *endptr == 'W' || *endptr == 'N' || *endptr == 'E') 
+               if (*endptr == 'S' || *endptr == 'W' || *endptr == 'N' || *endptr == 'E')
                        {
                        coord = deg + min /60.0 + sec / 3600.0;
                        ok = TRUE;
@@ -557,7 +780,7 @@ gboolean metadata_append_string(FileData *fd, const gchar *key, const char *valu
 {
        gchar *str = metadata_read_string(fd, key, METADATA_PLAIN);
        
-       if (!str) 
+       if (!str)
                {
                return metadata_write_string(fd, key, value);
                }
@@ -575,7 +798,7 @@ gboolean metadata_append_list(FileData *fd, const gchar *key, const GList *value
 {
        GList *list = metadata_read_list(fd, key, METADATA_PLAIN);
        
-       if (!list) 
+       if (!list)
                {
                return metadata_write_list(fd, key, values);
                }
@@ -591,6 +814,9 @@ gboolean metadata_append_list(FileData *fd, const gchar *key, const GList *value
                }
 }
 
+/**
+ * \see find_string_in_list
+ */
 gchar *find_string_in_list_utf8nocase(GList *list, const gchar *string)
 {
        gchar *string_casefold = g_utf8_casefold(string, -1);
@@ -598,7 +824,7 @@ gchar *find_string_in_list_utf8nocase(GList *list, const gchar *string)
        while (list)
                {
                gchar *haystack = list->data;
-               
+
                if (haystack)
                        {
                        gboolean equal;
@@ -613,14 +839,53 @@ gchar *find_string_in_list_utf8nocase(GList *list, const gchar *string)
                                return haystack;
                                }
                        }
-       
+
                list = list->next;
                }
-       
+
        g_free(string_casefold);
        return NULL;
 }
 
+/**
+ * \see find_string_in_list
+ */
+gchar *find_string_in_list_utf8case(GList *list, const gchar *string)
+{
+       while (list)
+               {
+               gchar *haystack = list->data;
+
+               if (haystack && strcmp(haystack, string) == 0)
+                       return haystack;
+
+               list = list->next;
+               } // while (list)
+
+       return NULL;
+} // gchar *find_string_in_list_utf...
+
+/**
+ * \brief Find a existent string in a list.
+ *
+ * This is a switch between find_string_in_list_utf8case and
+ * find_string_in_list_utf8nocase to search with or without case for the
+ * existence of a string.
+ *
+ * \param list The list to search in
+ * \param string The string to search for
+ * \return The string or NULL
+ *
+ * \see find_string_in_list_utf8case
+ * \see find_string_in_list_utf8nocase
+ */
+gchar *find_string_in_list(GList *list, const gchar *string)
+{
+       if (options->metadata.keywords_case_sensitive)
+               return find_string_in_list_utf8case(list, string);
+       else
+               return find_string_in_list_utf8nocase(list, string);
+}
 
 #define KEYWORDS_SEPARATOR(c) ((c) == ',' || (c) == ';' || (c) == '\n' || (c) == '\r' || (c) == '\b')
 
@@ -651,7 +916,7 @@ GList *string_to_keywords_list(const gchar *text)
                        gchar *keyword = g_strndup(begin, l);
 
                        /* only add if not already in the list */
-                       if (!find_string_in_list_utf8nocase(list, keyword))
+                       if (!find_string_in_list(list, keyword))
                                list = g_list_append(list, keyword);
                        else
                                g_free(keyword);
@@ -696,7 +961,7 @@ gboolean meta_data_set_keyword_mark(FileData *fd, gint n, gboolean value, gpoint
 
        if (!!keyword_tree_is_set(GTK_TREE_MODEL(keyword_tree), &iter, keywords) != !!value)
                {
-               if (value) 
+               if (value)
                        {
                        keyword_tree_set(GTK_TREE_MODEL(keyword_tree), &iter, &keywords);
                        }
@@ -725,12 +990,12 @@ void meta_data_connect_mark_with_keyword(GtkTreeModel *keyword_tree, GtkTreeIter
        for (i = 0; i < FILEDATA_MARKS_SIZE; i++)
                {
                file_data_get_registered_mark_func(i, &get_mark_func, &set_mark_func, &mark_func_data);
-               if (get_mark_func == meta_data_get_keyword_mark) 
+               if (get_mark_func == meta_data_get_keyword_mark)
                        {
                        GtkTreeIter old_kw_iter;
                        GList *old_path = mark_func_data;
                        
-                       if (keyword_tree_get_iter(keyword_tree, &old_kw_iter, old_path) && 
+                       if (keyword_tree_get_iter(keyword_tree, &old_kw_iter, old_path) &&
                            (i == mark || /* release any previous connection of given mark */
                             keyword_compare(keyword_tree, &old_kw_iter, kw_iter) == 0)) /* or given keyword */
                                {
@@ -854,11 +1119,20 @@ gboolean keyword_exists(GtkTreeModel *keyword_tree, GtkTreeIter *parent_ptr, Gtk
                {
                if (!(exclude_sibling && sibling && keyword_compare(keyword_tree, &iter, sibling) == 0))
                        {
-                       gchar *iter_casefold = keyword_get_casefold(keyword_tree, &iter);
-                       ret = strcmp(casefold, iter_casefold) == 0;
-                       g_free(iter_casefold);
+                       if (options->metadata.keywords_case_sensitive)
+                               {
+                               gchar *iter_name = keyword_get_name(keyword_tree, &iter);
+                               ret = strcmp(name, iter_name) == 0;
+                               g_free(iter_name);
+                               }
+                       else
+                               {
+                               gchar *iter_casefold = keyword_get_casefold(keyword_tree, &iter);
+                               ret = strcmp(casefold, iter_casefold) == 0;
+                               g_free(iter_casefold);
+                               } // if (options->metadata.tags_cas...
                        }
-               if (ret) 
+               if (ret)
                        {
                        if (result) *result = iter;
                        break;
@@ -946,7 +1220,7 @@ gboolean keyword_tree_get_iter(GtkTreeModel *keyword_tree, GtkTreeIter *iter_ptr
                        if (!gtk_tree_model_iter_next(keyword_tree, &iter)) return FALSE;
                        }
                path = path->next;
-               if (!path) 
+               if (!path)
                        {
                        *iter_ptr = iter;
                        return TRUE;
@@ -966,7 +1240,7 @@ static gboolean keyword_tree_is_set_casefold(GtkTreeModel *keyword_tree, GtkTree
                {
                /* for the purpose of expanding and hiding, a helper is set if it has any children set */
                GtkTreeIter child;
-               if (!gtk_tree_model_iter_children(keyword_tree, &child, &iter)) 
+               if (!gtk_tree_model_iter_children(keyword_tree, &child, &iter))
                        return FALSE; /* this should happen only on empty helpers */
 
                while (TRUE)
@@ -1005,24 +1279,79 @@ static gboolean keyword_tree_is_set_casefold(GtkTreeModel *keyword_tree, GtkTree
                }
 }
 
+static gboolean keyword_tree_is_set_casefull(GtkTreeModel *keyword_tree, GtkTreeIter iter, GList *kw_list)
+{
+       if (!kw_list) return FALSE;
+
+       if (!keyword_get_is_keyword(keyword_tree, &iter))
+               {
+               /* for the purpose of expanding and hiding, a helper is set if it has any children set */
+               GtkTreeIter child;
+               if (!gtk_tree_model_iter_children(keyword_tree, &child, &iter))
+                       return FALSE; /* this should happen only on empty helpers */
+
+               while (TRUE)
+                       {
+                       if (keyword_tree_is_set_casefull(keyword_tree, child, kw_list)) return TRUE;
+                       if (!gtk_tree_model_iter_next(keyword_tree, &child)) return FALSE;
+                       }
+               }
+
+       while (TRUE)
+               {
+               GtkTreeIter parent;
+
+               if (keyword_get_is_keyword(keyword_tree, &iter))
+                       {
+                       GList *work = kw_list;
+                       gboolean found = FALSE;
+                       gchar *iter_name = keyword_get_name(keyword_tree, &iter);
+                       while (work)
+                               {
+                               const gchar *name = work->data;
+                               work = work->next;
+
+                               if (strcmp(iter_name, name) == 0)
+                                       {
+                                       found = TRUE;
+                                       break;
+                                       }
+                               }
+                       g_free(iter_name);
+                       if (!found) return FALSE;
+                       }
+
+               if (!gtk_tree_model_iter_parent(keyword_tree, &parent, &iter)) return TRUE;
+               iter = parent;
+               }
+}
+
 gboolean keyword_tree_is_set(GtkTreeModel *keyword_tree, GtkTreeIter *iter, GList *kw_list)
 {
        gboolean ret;
        GList *casefold_list = NULL;
        GList *work;
 
-       work = kw_list;
-       while (work)
+       if (options->metadata.keywords_case_sensitive)
                {
-               const gchar *kw = work->data;
-               work = work->next;
+               ret = keyword_tree_is_set_casefull(keyword_tree, *iter, kw_list);
+               }
+       else
+               {
+               work = kw_list;
+               while (work)
+                       {
+                       const gchar *kw = work->data;
+                       work = work->next;
 
-               casefold_list = g_list_prepend(casefold_list, g_utf8_casefold(kw, -1));
+                       casefold_list = g_list_prepend(casefold_list, g_utf8_casefold(kw, -1));
+                       }
+
+               ret = keyword_tree_is_set_casefold(keyword_tree, *iter, casefold_list);
+
+               string_list_free(casefold_list);
                }
-       
-       ret = keyword_tree_is_set_casefold(keyword_tree, *iter, casefold_list);
-       
-       string_list_free(casefold_list);
+
        return ret;
 }
 
@@ -1036,7 +1365,7 @@ void keyword_tree_set(GtkTreeModel *keyword_tree, GtkTreeIter *iter_ptr, GList *
                if (keyword_get_is_keyword(keyword_tree, &iter))
                        {
                        gchar *name = keyword_get_name(keyword_tree, &iter);
-                       if (!find_string_in_list_utf8nocase(*kw_list, name))
+                       if (!find_string_in_list(*kw_list, name))
                                {
                                *kw_list = g_list_append(*kw_list, name);
                                }
@@ -1051,6 +1380,26 @@ void keyword_tree_set(GtkTreeModel *keyword_tree, GtkTreeIter *iter_ptr, GList *
                }
 }
 
+GList *keyword_tree_get(GtkTreeModel *keyword_tree, GtkTreeIter *iter_ptr)
+{
+       GtkTreeIter iter = *iter_ptr;
+       GList *kw_list = NULL;
+
+       while (TRUE)
+               {
+               GtkTreeIter parent;
+
+               if (keyword_get_is_keyword(keyword_tree, &iter))
+                       {
+                       gchar *name = keyword_get_name(keyword_tree, &iter);
+                       kw_list = g_list_append(kw_list, name);
+                       }
+
+               if (!gtk_tree_model_iter_parent(keyword_tree, &parent, &iter)) return kw_list;
+               iter = parent;
+               }
+} // GList *keyword_tree_get(GtkTre...
+
 static void keyword_tree_reset1(GtkTreeModel *keyword_tree, GtkTreeIter *iter, GList **kw_list)
 {
        gchar *found;
@@ -1058,7 +1407,7 @@ static void keyword_tree_reset1(GtkTreeModel *keyword_tree, GtkTreeIter *iter, G
        if (!keyword_get_is_keyword(keyword_tree, iter)) return;
 
        name = keyword_get_name(keyword_tree, iter);
-       found = find_string_in_list_utf8nocase(*kw_list, name);
+       found = find_string_in_list(*kw_list, name);
 
        if (found)
                {
@@ -1086,7 +1435,7 @@ static gboolean keyword_tree_check_empty_children(GtkTreeModel *keyword_tree, Gt
 {
        GtkTreeIter iter;
        
-       if (!gtk_tree_model_iter_children(keyword_tree, &iter, parent)) 
+       if (!gtk_tree_model_iter_children(keyword_tree, &iter, parent))
                return TRUE; /* this should happen only on empty helpers */
 
        while (TRUE)
@@ -1182,7 +1531,7 @@ static void keyword_hide_unset_in_recursive(GtkTreeStore *keyword_tree, GtkTreeI
                else
                        {
                        GtkTreeIter child;
-                       if (gtk_tree_model_iter_children(GTK_TREE_MODEL(keyword_tree), &child, &iter)) 
+                       if (gtk_tree_model_iter_children(GTK_TREE_MODEL(keyword_tree), &child, &iter))
                                {
                                keyword_hide_unset_in_recursive(keyword_tree, &child, id, keywords);
                                }
@@ -1233,45 +1582,80 @@ void keyword_tree_new(void)
        keyword_tree = gtk_tree_store_new(KEYWORD_COLUMN_COUNT, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_BOOLEAN, G_TYPE_POINTER);
 }
 
+static GtkTreeIter keyword_tree_default_append(GtkTreeStore *keyword_tree, GtkTreeIter *parent, const gchar *name, gboolean is_keyword)
+{
+       GtkTreeIter iter;
+       gtk_tree_store_append(keyword_tree, &iter, parent);
+       keyword_set(keyword_tree, &iter, name, is_keyword);
+       return iter;
+}
 
 void keyword_tree_new_default(void)
 {
-       if (keyword_tree) return;
-       
-       keyword_tree_new();
-
-       GtkTreeIter i1, i2, i3;
-
-       gtk_tree_store_append(keyword_tree, &i1, NULL);
-       keyword_set(keyword_tree, &i1, "animal", TRUE);
-
-               gtk_tree_store_append(keyword_tree, &i2, &i1);
-               keyword_set(keyword_tree, &i2, "mammal", TRUE);
-
-                       gtk_tree_store_append(keyword_tree, &i3, &i2);
-                       keyword_set(keyword_tree, &i3, "dog", TRUE);
-
-                       gtk_tree_store_append(keyword_tree, &i3, &i2);
-                       keyword_set(keyword_tree, &i3, "cat", TRUE);
-
-               gtk_tree_store_append(keyword_tree, &i2, &i1);
-               keyword_set(keyword_tree, &i2, "insect", TRUE);
-
-                       gtk_tree_store_append(keyword_tree, &i3, &i2);
-                       keyword_set(keyword_tree, &i3, "fly", TRUE);
-
-                       gtk_tree_store_append(keyword_tree, &i3, &i2);
-                       keyword_set(keyword_tree, &i3, "dragonfly", TRUE);
-
-       gtk_tree_store_append(keyword_tree, &i1, NULL);
-       keyword_set(keyword_tree, &i1, "daytime", FALSE);
-
-               gtk_tree_store_append(keyword_tree, &i2, &i1);
-               keyword_set(keyword_tree, &i2, "morning", TRUE);
-
-               gtk_tree_store_append(keyword_tree, &i2, &i1);
-               keyword_set(keyword_tree, &i2, "noon", TRUE);
-
+       GtkTreeIter i1, i2;
+
+       if (!keyword_tree) keyword_tree_new();
+
+       i1 = keyword_tree_default_append(keyword_tree, NULL, _("People"), TRUE);
+               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Family"), TRUE);
+               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Free time"), TRUE);
+               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Children"), TRUE);
+               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Sport"), TRUE);
+               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Culture"), TRUE);
+                       keyword_tree_default_append(keyword_tree, &i2, _("Festival"), TRUE);
+       i1 = keyword_tree_default_append(keyword_tree, NULL, _("Nature"), TRUE);
+               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Animal"), TRUE);
+                       keyword_tree_default_append(keyword_tree, &i2, _("Bird"), TRUE);
+                       keyword_tree_default_append(keyword_tree, &i2, _("Insect"), TRUE);
+                       keyword_tree_default_append(keyword_tree, &i2, _("Pets"), TRUE);
+                       keyword_tree_default_append(keyword_tree, &i2, _("Wildlife"), TRUE);
+                       keyword_tree_default_append(keyword_tree, &i2, _("Zoo"), TRUE);
+               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Plant"), TRUE);
+                       keyword_tree_default_append(keyword_tree, &i2, _("Tree"), TRUE);
+                       keyword_tree_default_append(keyword_tree, &i2, _("Flower"), TRUE);
+               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Water"), TRUE);
+                       keyword_tree_default_append(keyword_tree, &i2, _("River"), TRUE);
+                       keyword_tree_default_append(keyword_tree, &i2, _("Lake"), TRUE);
+                       keyword_tree_default_append(keyword_tree, &i2, _("Sea"), TRUE);
+               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Landscape"), TRUE);
+       i1 = keyword_tree_default_append(keyword_tree, NULL, _("Art"), TRUE);
+               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Statue"), TRUE);
+               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Painting"), TRUE);
+               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Historic"), TRUE);
+               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Modern"), TRUE);
+       i1 = keyword_tree_default_append(keyword_tree, NULL, _("City"), TRUE);
+               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Park"), TRUE);
+               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Street"), TRUE);
+               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Square"), TRUE);
+       i1 = keyword_tree_default_append(keyword_tree, NULL, _("Architecture"), TRUE);
+               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Buildings"), FALSE);
+                       keyword_tree_default_append(keyword_tree, &i2, _("House"), TRUE);
+                       keyword_tree_default_append(keyword_tree, &i2, _("Cathedral"), TRUE);
+                       keyword_tree_default_append(keyword_tree, &i2, _("Palace"), TRUE);
+                       keyword_tree_default_append(keyword_tree, &i2, _("Castle"), TRUE);
+                       keyword_tree_default_append(keyword_tree, &i2, _("Bridge"), TRUE);
+               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Interior"), TRUE);
+               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Historic"), TRUE);
+               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Modern"), TRUE);
+       i1 = keyword_tree_default_append(keyword_tree, NULL, _("Places"), FALSE);
+       i1 = keyword_tree_default_append(keyword_tree, NULL, _("Conditions"), FALSE);
+               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Night"), TRUE);
+                       keyword_tree_default_append(keyword_tree, &i2, _("Lights"), TRUE);
+               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Reflections"), TRUE);
+               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Sun"), TRUE);
+               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Weather"), FALSE);
+                       keyword_tree_default_append(keyword_tree, &i2, _("Fog"), TRUE);
+                       keyword_tree_default_append(keyword_tree, &i2, _("Rain"), TRUE);
+                       keyword_tree_default_append(keyword_tree, &i2, _("Clouds"), TRUE);
+                       keyword_tree_default_append(keyword_tree, &i2, _("Snow"), TRUE);
+                       keyword_tree_default_append(keyword_tree, &i2, _("Sunny weather"), TRUE);
+       i1 = keyword_tree_default_append(keyword_tree, NULL, _("Photo"), FALSE);
+               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Edited"), TRUE);
+               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Detail"), TRUE);
+               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Macro"), TRUE);
+               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Portrait"), TRUE);
+               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Black and White"), TRUE);
+               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Perspective"), TRUE);
 }
 
 
@@ -1288,7 +1672,7 @@ static void keyword_tree_node_write_config(GtkTreeModel *keyword_tree, GtkTreeIt
                write_char_option(outstr, indent, "name", name);
                g_free(name);
                write_bool_option(outstr, indent, "kw", keyword_get_is_keyword(keyword_tree, &iter));
-               if (gtk_tree_model_iter_children(keyword_tree, &children, &iter)) 
+               if (gtk_tree_model_iter_children(keyword_tree, &children, &iter))
                        {
                        WRITE_STRING(">");
                        indent++;
@@ -1296,7 +1680,7 @@ static void keyword_tree_node_write_config(GtkTreeModel *keyword_tree, GtkTreeIt
                        indent--;
                        WRITE_NL(); WRITE_STRING("</keyword>");
                        }
-               else 
+               else
                        {
                        WRITE_STRING("/>");
                        }
@@ -1333,7 +1717,7 @@ GtkTreeIter *keyword_add_from_config(GtkTreeStore *keyword_tree, GtkTreeIter *pa
 
                log_printf("unknown attribute %s = %s\n", option, value);
                }
-       if (name && name[0]) 
+       if (name && name[0])
                {
                GtkTreeIter iter;
                /* re-use existing keyword if any */