Use util_clip_triangle() in pan_item_tri_new()
[geeqie.git] / src / metadata.c
diff --git a/src/metadata.c b/src/metadata.c
deleted file mode 100644 (file)
index aa2ba00..0000000
+++ /dev/null
@@ -1,1479 +0,0 @@
-/*
- * Geeqie
- * (C) 2004 John Ellis
- * Copyright (C) 2008 - 2009 The Geeqie Team
- *
- * Author: John Ellis, Laurent Monin
- *
- * This software is released under the GNU General Public License (GNU GPL).
- * Please read the included file COPYING for more information.
- * This software comes with no warranty of any kind, use at your own risk!
- */
-
-
-#include "main.h"
-#include "metadata.h"
-
-#include "cache.h"
-#include "exif.h"
-#include "filedata.h"
-#include "misc.h"
-#include "secure_save.h"
-#include "ui_fileops.h"
-#include "ui_misc.h"
-#include "utilops.h"
-#include "filefilter.h"
-#include "layout_util.h"
-#include "rcfile.h"
-
-typedef enum {
-       MK_NONE,
-       MK_KEYWORDS,
-       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 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);
-
-
-
-/*
- *-------------------------------------------------------------------
- * write queue
- *-------------------------------------------------------------------
- */
-
-static GList *metadata_write_queue = NULL;
-static guint metadata_write_idle_id = 0; /* event source id */
-
-static void metadata_write_queue_add(FileData *fd)
-{
-       if (!g_list_find(metadata_write_queue, fd))
-               {
-               metadata_write_queue = g_list_prepend(metadata_write_queue, fd);
-               file_data_ref(fd);
-               
-               layout_util_status_update_write_all();
-               }
-
-       if (metadata_write_idle_id) 
-               {
-               g_source_remove(metadata_write_idle_id);
-               metadata_write_idle_id = 0;
-               }
-       
-       if (options->metadata.confirm_after_timeout)
-               {
-               metadata_write_idle_id = g_timeout_add(options->metadata.confirm_timeout * 1000, metadata_write_queue_idle_cb, NULL);
-               }
-}
-
-
-gboolean metadata_write_queue_remove(FileData *fd)
-{
-       g_hash_table_destroy(fd->modified_xmp);
-       fd->modified_xmp = NULL;
-
-       metadata_write_queue = g_list_remove(metadata_write_queue, fd);
-       
-       file_data_increment_version(fd);
-       file_data_send_notification(fd, NOTIFY_REREAD);
-
-       file_data_unref(fd);
-
-       layout_util_status_update_write_all();
-       return TRUE;
-}
-
-gboolean metadata_write_queue_remove_list(GList *list)
-{
-       GList *work;
-       gboolean ret = TRUE;
-       
-       work = list;
-       while (work)
-               {
-               FileData *fd = work->data;
-               work = work->next;
-               ret = ret && metadata_write_queue_remove(fd);
-               }
-       return ret;
-}
-
-
-gboolean metadata_write_queue_confirm(FileUtilDoneFunc done_func, gpointer done_data)
-{
-       GList *work;
-       GList *to_approve = NULL;
-       
-       work = metadata_write_queue;
-       while (work)
-               {
-               FileData *fd = work->data;
-               work = work->next;
-               
-               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);
-       
-       return (metadata_write_queue != NULL);
-}
-
-static gboolean metadata_write_queue_idle_cb(gpointer data)
-{
-       metadata_write_queue_confirm(NULL, NULL);
-       metadata_write_idle_id = 0;
-       return FALSE;
-}
-
-gboolean metadata_write_perform(FileData *fd)
-{
-       gboolean success;
-       ExifData *exif;
-       
-       g_assert(fd->change);
-       
-       if (fd->change->dest && 
-           strcmp(extension_from_path(fd->change->dest), GQ_CACHE_EXT_METADATA) == 0)
-               {
-               success = metadata_legacy_write(fd);
-               if (success) metadata_legacy_delete(fd, fd->change->dest);
-               return success;
-               }
-
-       /* write via exiv2 */
-       /*  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); 
-       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 
-                  (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 
-                   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)); 
-               
-       if (success) metadata_legacy_delete(fd, fd->change->dest);
-       return success;
-}
-
-gint metadata_queue_length(void)
-{
-       return g_list_length(metadata_write_queue);
-}
-
-static gboolean metadata_check_key(const gchar *keys[], const gchar *key)
-{
-       const gchar **k = keys;
-       
-       while (*k)
-               {
-               if (strcmp(key, *k) == 0) return TRUE;
-               k++;
-               }
-       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)
-               {
-               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));
-       if (fd->exif)
-               {
-               exif_update_metadata(fd->exif, key, values);
-               }
-       metadata_write_queue_add(fd);
-       file_data_increment_version(fd);
-       file_data_send_notification(fd, NOTIFY_METADATA);
-
-       if (options->metadata.sync_grouped_files && metadata_check_key(group_keys, key))
-               {
-               GList *work = fd->sidecar_files;
-               
-               while (work)
-                       {
-                       FileData *sfd = work->data;
-                       work = work->next;
-                       
-                       if (filter_file_class(sfd->extension, FORMAT_CLASS_META)) continue; 
-
-                       metadata_write_list(sfd, key, values);
-                       }
-               }
-
-
-       return TRUE;
-}
-       
-gboolean metadata_write_string(FileData *fd, const gchar *key, const char *value)
-{
-       GList *list = g_list_append(NULL, g_strdup(value));
-       gboolean ret = metadata_write_list(fd, key, list);
-       string_list_free(list);
-       return ret;
-}
-
-gboolean metadata_write_int(FileData *fd, const gchar *key, guint64 value)
-{
-       gchar string[50];
-       
-       g_snprintf(string, sizeof(string), "%ld", value);
-       return metadata_write_string(fd, key, string);
-}
-
-/*
- *-------------------------------------------------------------------
- * keyword / comment read/write
- *-------------------------------------------------------------------
- */
-
-static gboolean metadata_file_write(gchar *path, GHashTable *modified_xmp)
-{
-       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;
-
-       secure_fprintf(ssi, "#%s comment (%s)\n\n", GQ_APPNAME, VERSION);
-
-       secure_fprintf(ssi, "[keywords]\n");
-       while (keywords && secsave_errno == SS_ERR_NONE)
-               {
-               const gchar *word = keywords->data;
-               keywords = keywords->next;
-
-               secure_fprintf(ssi, "%s\n", word);
-               }
-       secure_fputc(ssi, '\n');
-
-       secure_fprintf(ssi, "[comment]\n");
-       secure_fprintf(ssi, "%s\n", (comment) ? comment : "");
-
-       secure_fprintf(ssi, "#end\n");
-
-       return (secure_close(ssi) == 0);
-}
-
-static gboolean metadata_legacy_write(FileData *fd)
-{
-       gboolean success = FALSE;
-       gchar *metadata_pathl;
-
-       g_assert(fd->change && fd->change->dest);
-
-       DEBUG_1("Saving comment: %s", fd->change->dest);
-
-       metadata_pathl = path_from_utf8(fd->change->dest);
-
-       success = metadata_file_write(metadata_pathl, fd->modified_xmp);
-
-       g_free(metadata_pathl);
-
-       return success;
-}
-
-static gboolean metadata_file_read(gchar *path, GList **keywords, gchar **comment)
-{
-       FILE *f;
-       gchar s_buf[1024];
-       MetadataKey key = MK_NONE;
-       GList *list = NULL;
-       GString *comment_build = NULL;
-
-       f = fopen(path, "r");
-       if (!f) return FALSE;
-
-       while (fgets(s_buf, sizeof(s_buf), f))
-               {
-               gchar *ptr = s_buf;
-
-               if (*ptr == '#') continue;
-               if (*ptr == '[' && key != MK_COMMENT)
-                       {
-                       gchar *keystr = ++ptr;
-                       
-                       key = MK_NONE;
-                       while (*ptr != ']' && *ptr != '\n' && *ptr != '\0') ptr++;
-                       
-                       if (*ptr == ']')
-                               {
-                               *ptr = '\0';
-                               if (g_ascii_strcasecmp(keystr, "keywords") == 0)
-                                       key = MK_KEYWORDS;
-                               else if (g_ascii_strcasecmp(keystr, "comment") == 0)
-                                       key = MK_COMMENT;
-                               }
-                       continue;
-                       }
-               
-               switch (key)
-                       {
-                       case MK_NONE:
-                               break;
-                       case MK_KEYWORDS:
-                               {
-                               while (*ptr != '\n' && *ptr != '\0') ptr++;
-                               *ptr = '\0';
-                               if (strlen(s_buf) > 0)
-                                       {
-                                       gchar *kw = utf8_validate_or_convert(s_buf);
-
-                                       list = g_list_prepend(list, kw);
-                                       }
-                               }
-                               break;
-                       case MK_COMMENT:
-                               if (!comment_build) comment_build = g_string_new("");
-                               g_string_append(comment_build, s_buf);
-                               break;
-                       }
-               }
-       
-       fclose(f);
-
-       if (keywords) 
-               {
-               *keywords = g_list_reverse(list);
-               }
-       else
-               {
-               string_list_free(list);
-               }
-               
-       if (comment_build)
-               {
-               if (comment)
-                       {
-                       gint len;
-                       gchar *ptr = comment_build->str;
-
-                       /* strip leading and trailing newlines */
-                       while (*ptr == '\n') ptr++;
-                       len = strlen(ptr);
-                       while (len > 0 && ptr[len - 1] == '\n') len--;
-                       if (ptr[len] == '\n') len++; /* keep the last one */
-                       if (len > 0)
-                               {
-                               gchar *text = g_strndup(ptr, len);
-
-                               *comment = utf8_validate_or_convert(text);
-                               g_free(text);
-                               }
-                       }
-               g_string_free(comment_build, TRUE);
-               }
-
-       return TRUE;
-}
-
-static void metadata_legacy_delete(FileData *fd, const gchar *except)
-{
-       gchar *metadata_path;
-       gchar *metadata_pathl;
-       if (!fd) return;
-
-       metadata_path = cache_find_location(CACHE_TYPE_METADATA, fd->path);
-       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);
-               }
-       metadata_path = cache_find_location(CACHE_TYPE_XMP_METADATA, fd->path);
-       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);
-               }
-}
-
-static gboolean metadata_legacy_read(FileData *fd, GList **keywords, gchar **comment)
-{
-       gchar *metadata_path;
-       gchar *metadata_pathl;
-       gboolean success = FALSE;
-       
-       if (!fd) return FALSE;
-
-       metadata_path = cache_find_location(CACHE_TYPE_METADATA, fd->path);
-       if (!metadata_path) return FALSE;
-
-       metadata_pathl = path_from_utf8(metadata_path);
-
-       success = metadata_file_read(metadata_pathl, keywords, comment);
-
-       g_free(metadata_pathl);
-       g_free(metadata_path);
-
-       return success;
-}
-
-static GList *remove_duplicate_strings_from_list(GList *list)
-{
-       GList *work = list;
-       GHashTable *hashtable = g_hash_table_new(g_str_hash, g_str_equal);
-       GList *newlist = NULL;
-
-       while (work)
-               {
-               gchar *key = work->data;
-
-               if (g_hash_table_lookup(hashtable, key) == NULL)
-                       {
-                       g_hash_table_insert(hashtable, (gpointer) key, GINT_TO_POINTER(1));
-                       newlist = g_list_prepend(newlist, key);
-                       }
-               work = work->next;
-               }
-
-       g_hash_table_destroy(hashtable);
-       g_list_free(list);
-
-       return g_list_reverse(newlist);
-}
-
-GList *metadata_read_list(FileData *fd, const gchar *key, MetadataFormat format)
-{
-       ExifData *exif;
-       GList *list = NULL;
-       if (!fd) return NULL;
-
-       /* unwritten data overide everything */
-       if (fd->modified_xmp && format == METADATA_PLAIN)
-               {
-               list = g_hash_table_lookup(fd->modified_xmp, key);
-               if (list) return string_list_copy(list);
-               }
-
-       /* 
-           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
-           writable and thus it would not be possible to delete the keywords
-           that comes from the image file.
-       */
-       if (strcmp(key, KEYWORD_KEY) == 0)
-               {
-               if (metadata_legacy_read(fd, &list, NULL)) return list;
-               }
-       else if (strcmp(key, COMMENT_KEY) == 0)
-               {
-               gchar *comment = NULL;
-               if (metadata_legacy_read(fd, NULL, &comment)) return g_list_append(NULL, comment);
-               }
-       else if (strncmp(key, "file.", 5) == 0)
-               {
-               return g_list_append(NULL, metadata_file_info(fd, key, format));
-               }
-       
-       exif = exif_read_fd(fd); /* this is cached, thus inexpensive */
-       if (!exif) return NULL;
-       list = exif_get_metadata(exif, key, format);
-       exif_free_fd(fd, exif);
-       return list;
-}
-
-gchar *metadata_read_string(FileData *fd, const gchar *key, MetadataFormat format)
-{
-       GList *string_list = metadata_read_list(fd, key, format);
-       if (string_list)
-               {
-               gchar *str = string_list->data;
-               string_list->data = NULL;
-               string_list_free(string_list);
-               return str;
-               }
-       return NULL;
-}
-
-guint64 metadata_read_int(FileData *fd, const gchar *key, guint64 fallback)
-{
-       guint64 ret;
-       gchar *endptr;
-       gchar *string = metadata_read_string(fd, key, METADATA_PLAIN);
-       if (!string) return fallback;
-       
-       ret = g_ascii_strtoull(string, &endptr, 10);
-       if (string == endptr) ret = fallback;
-       g_free(string);
-       return ret;
-}
-
-gdouble metadata_read_GPS_coord(FileData *fd, const gchar *key, gdouble fallback)
-{
-       gdouble coord;
-       gchar *endptr;
-       gdouble deg, min, sec;
-       gboolean ok = FALSE;
-       gchar *string = metadata_read_string(fd, key, METADATA_PLAIN);
-       if (!string) return fallback;
-       
-       deg = g_ascii_strtod(string, &endptr);
-       if (*endptr == ',')
-               {
-               min = g_ascii_strtod(endptr + 1, &endptr);
-               if (*endptr == ',')
-                       sec = g_ascii_strtod(endptr + 1, &endptr);
-               else 
-                       sec = 0.0;
-               
-               
-               if (*endptr == 'S' || *endptr == 'W' || *endptr == 'N' || *endptr == 'E') 
-                       {
-                       coord = deg + min /60.0 + sec / 3600.0;
-                       ok = TRUE;
-                       if (*endptr == 'S' || *endptr == 'W') coord = -coord;
-                       }
-               }
-       
-       if (!ok)
-               {
-               coord = fallback;
-               log_printf("unable to parse GPS coordinate '%s'\n", string);
-               }
-       
-       g_free(string);
-       return coord;
-}
-       
-gboolean metadata_append_string(FileData *fd, const gchar *key, const char *value)
-{
-       gchar *str = metadata_read_string(fd, key, METADATA_PLAIN);
-       
-       if (!str) 
-               {
-               return metadata_write_string(fd, key, value);
-               }
-       else
-               {
-               gchar *new_string = g_strconcat(str, value, NULL);
-               gboolean ret = metadata_write_string(fd, key, new_string);
-               g_free(str);
-               g_free(new_string);
-               return ret;
-               }
-}
-
-gboolean metadata_append_list(FileData *fd, const gchar *key, const GList *values)
-{
-       GList *list = metadata_read_list(fd, key, METADATA_PLAIN);
-       
-       if (!list) 
-               {
-               return metadata_write_list(fd, key, values);
-               }
-       else
-               {
-               gboolean ret;
-               list = g_list_concat(list, string_list_copy(values));
-               list = remove_duplicate_strings_from_list(list);
-               
-               ret = metadata_write_list(fd, key, list);
-               string_list_free(list);
-               return ret;
-               }
-}
-
-gchar *find_string_in_list_utf8nocase(GList *list, const gchar *string)
-{
-       gchar *string_casefold = g_utf8_casefold(string, -1);
-
-       while (list)
-               {
-               gchar *haystack = list->data;
-               
-               if (haystack)
-                       {
-                       gboolean equal;
-                       gchar *haystack_casefold = g_utf8_casefold(haystack, -1);
-
-                       equal = (strcmp(haystack_casefold, string_casefold) == 0);
-                       g_free(haystack_casefold);
-
-                       if (equal)
-                               {
-                               g_free(string_casefold);
-                               return haystack;
-                               }
-                       }
-       
-               list = list->next;
-               }
-       
-       g_free(string_casefold);
-       return NULL;
-}
-
-
-#define KEYWORDS_SEPARATOR(c) ((c) == ',' || (c) == ';' || (c) == '\n' || (c) == '\r' || (c) == '\b')
-
-GList *string_to_keywords_list(const gchar *text)
-{
-       GList *list = NULL;
-       const gchar *ptr = text;
-
-       while (*ptr != '\0')
-               {
-               const gchar *begin;
-               gint l = 0;
-
-               while (KEYWORDS_SEPARATOR(*ptr)) ptr++;
-               begin = ptr;
-               while (*ptr != '\0' && !KEYWORDS_SEPARATOR(*ptr))
-                       {
-                       ptr++;
-                       l++;
-                       }
-
-               /* trim starting and ending whitespaces */
-               while (l > 0 && g_ascii_isspace(*begin)) begin++, l--;
-               while (l > 0 && g_ascii_isspace(begin[l-1])) l--;
-
-               if (l > 0)
-                       {
-                       gchar *keyword = g_strndup(begin, l);
-
-                       /* only add if not already in the list */
-                       if (!find_string_in_list_utf8nocase(list, keyword))
-                               list = g_list_append(list, keyword);
-                       else
-                               g_free(keyword);
-                       }
-               }
-
-       return list;
-}
-
-/*
- * keywords to marks
- */
-
-gboolean meta_data_get_keyword_mark(FileData *fd, gint n, gpointer data)
-{
-       /* FIXME: do not use global keyword_tree */
-       GList *path = data;
-       GList *keywords;
-       gboolean found = FALSE;
-       keywords = metadata_read_list(fd, KEYWORD_KEY, METADATA_PLAIN);
-       if (keywords)
-               {
-               GtkTreeIter iter;
-               if (keyword_tree_get_iter(GTK_TREE_MODEL(keyword_tree), &iter, path) &&
-                   keyword_tree_is_set(GTK_TREE_MODEL(keyword_tree), &iter, keywords))
-                       found = TRUE;
-
-               }
-       return found;
-}
-
-gboolean meta_data_set_keyword_mark(FileData *fd, gint n, gboolean value, gpointer data)
-{
-       GList *path = data;
-       GList *keywords = NULL;
-       GtkTreeIter iter;
-       
-       if (!keyword_tree_get_iter(GTK_TREE_MODEL(keyword_tree), &iter, path)) return FALSE;
-
-       keywords = metadata_read_list(fd, KEYWORD_KEY, METADATA_PLAIN);
-
-       if (!!keyword_tree_is_set(GTK_TREE_MODEL(keyword_tree), &iter, keywords) != !!value)
-               {
-               if (value) 
-                       {
-                       keyword_tree_set(GTK_TREE_MODEL(keyword_tree), &iter, &keywords);
-                       }
-               else
-                       {
-                       keyword_tree_reset(GTK_TREE_MODEL(keyword_tree), &iter, &keywords);
-                       }
-               metadata_write_list(fd, KEYWORD_KEY, keywords);
-               }
-
-       string_list_free(keywords);
-       return TRUE;
-}
-
-
-
-void meta_data_connect_mark_with_keyword(GtkTreeModel *keyword_tree, GtkTreeIter *kw_iter, gint mark)
-{
-
-       FileDataGetMarkFunc get_mark_func;
-       FileDataSetMarkFunc set_mark_func;
-       gpointer mark_func_data;
-
-       gint i;
-
-       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) 
-                       {
-                       GtkTreeIter old_kw_iter;
-                       GList *old_path = mark_func_data;
-                       
-                       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 */
-                               {
-                               file_data_register_mark_func(i, NULL, NULL, NULL, NULL);
-                               gtk_tree_store_set(GTK_TREE_STORE(keyword_tree), &old_kw_iter, KEYWORD_COLUMN_MARK, "", -1);
-                               }
-                       }
-               }
-
-
-       if (mark >= 0 && mark < FILEDATA_MARKS_SIZE)
-               {
-               GList *path;
-               gchar *mark_str;
-               path = keyword_tree_get_path(keyword_tree, kw_iter);
-               file_data_register_mark_func(mark, meta_data_get_keyword_mark, meta_data_set_keyword_mark, path, (GDestroyNotify)string_list_free);
-               
-               mark_str = g_strdup_printf("%d", mark + 1);
-               gtk_tree_store_set(GTK_TREE_STORE(keyword_tree), kw_iter, KEYWORD_COLUMN_MARK, mark_str, -1);
-               g_free(mark_str);
-               }
-}
-
-
-/*
- *-------------------------------------------------------------------
- * keyword tree
- *-------------------------------------------------------------------
- */
-
-
-
-GtkTreeStore *keyword_tree;
-
-gchar *keyword_get_name(GtkTreeModel *keyword_tree, GtkTreeIter *iter)
-{
-       gchar *name;
-       gtk_tree_model_get(keyword_tree, iter, KEYWORD_COLUMN_NAME, &name, -1);
-       return name;
-}
-
-gchar *keyword_get_casefold(GtkTreeModel *keyword_tree, GtkTreeIter *iter)
-{
-       gchar *casefold;
-       gtk_tree_model_get(keyword_tree, iter, KEYWORD_COLUMN_CASEFOLD, &casefold, -1);
-       return casefold;
-}
-
-gboolean keyword_get_is_keyword(GtkTreeModel *keyword_tree, GtkTreeIter *iter)
-{
-       gboolean is_keyword;
-       gtk_tree_model_get(keyword_tree, iter, KEYWORD_COLUMN_IS_KEYWORD, &is_keyword, -1);
-       return is_keyword;
-}
-
-void keyword_set(GtkTreeStore *keyword_tree, GtkTreeIter *iter, const gchar *name, gboolean is_keyword)
-{
-       gchar *casefold = g_utf8_casefold(name, -1);
-       gtk_tree_store_set(keyword_tree, iter, KEYWORD_COLUMN_MARK, "",
-                                               KEYWORD_COLUMN_NAME, name,
-                                               KEYWORD_COLUMN_CASEFOLD, casefold,
-                                               KEYWORD_COLUMN_IS_KEYWORD, is_keyword, -1);
-       g_free(casefold);
-}
-
-gboolean keyword_compare(GtkTreeModel *keyword_tree, GtkTreeIter *a, GtkTreeIter *b)
-{
-       GtkTreePath *pa = gtk_tree_model_get_path(keyword_tree, a);
-       GtkTreePath *pb = gtk_tree_model_get_path(keyword_tree, b);
-       gint ret = gtk_tree_path_compare(pa, pb);
-       gtk_tree_path_free(pa);
-       gtk_tree_path_free(pb);
-       return ret;
-}
-
-gboolean keyword_same_parent(GtkTreeModel *keyword_tree, GtkTreeIter *a, GtkTreeIter *b)
-{
-       GtkTreeIter parent_a;
-       GtkTreeIter parent_b;
-       
-       gboolean valid_pa = gtk_tree_model_iter_parent(keyword_tree, &parent_a, a);
-       gboolean valid_pb = gtk_tree_model_iter_parent(keyword_tree, &parent_b, b);
-
-       if (valid_pa && valid_pb)
-               {
-               return keyword_compare(keyword_tree, &parent_a, &parent_b) == 0;
-               }
-       else
-               {
-               return (!valid_pa && !valid_pb); /* both are toplevel */
-               }
-}
-
-gboolean keyword_exists(GtkTreeModel *keyword_tree, GtkTreeIter *parent_ptr, GtkTreeIter *sibling, const gchar *name, gboolean exclude_sibling, GtkTreeIter *result)
-{
-       GtkTreeIter parent;
-       GtkTreeIter iter;
-       gboolean toplevel = FALSE;
-       gboolean ret;
-       gchar *casefold;
-       
-       if (parent_ptr)
-               {
-               parent = *parent_ptr;
-               }
-       else if (sibling)
-               {
-               toplevel = !gtk_tree_model_iter_parent(keyword_tree, &parent, sibling);
-               }
-       else
-               {
-               toplevel = TRUE;
-               }
-       
-       if (!gtk_tree_model_iter_children(GTK_TREE_MODEL(keyword_tree), &iter, toplevel ? NULL : &parent)) return FALSE;
-       
-       casefold = g_utf8_casefold(name, -1);
-       ret = FALSE;
-       
-       while (TRUE)
-               {
-               if (!(exclude_sibling && sibling && keyword_compare(keyword_tree, &iter, sibling) == 0))
-                       {
-                       if (options->metadata.tags_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 (result) *result = iter;
-                       break;
-                       }
-               if (!gtk_tree_model_iter_next(keyword_tree, &iter)) break;
-               }
-       g_free(casefold);
-       return ret;
-}
-
-
-void keyword_copy(GtkTreeStore *keyword_tree, GtkTreeIter *to, GtkTreeIter *from)
-{
-
-       gchar *mark, *name, *casefold;
-       gboolean is_keyword;
-
-       /* do not copy KEYWORD_COLUMN_HIDE_IN, it fully shows the new subtree */
-       gtk_tree_model_get(GTK_TREE_MODEL(keyword_tree), from, KEYWORD_COLUMN_MARK, &mark,
-                                               KEYWORD_COLUMN_NAME, &name,
-                                               KEYWORD_COLUMN_CASEFOLD, &casefold,
-                                               KEYWORD_COLUMN_IS_KEYWORD, &is_keyword, -1);
-
-       gtk_tree_store_set(keyword_tree, to, KEYWORD_COLUMN_MARK, mark,
-                                               KEYWORD_COLUMN_NAME, name,
-                                               KEYWORD_COLUMN_CASEFOLD, casefold,
-                                               KEYWORD_COLUMN_IS_KEYWORD, is_keyword, -1);
-       g_free(mark);
-       g_free(name);
-       g_free(casefold);
-}
-
-void keyword_copy_recursive(GtkTreeStore *keyword_tree, GtkTreeIter *to, GtkTreeIter *from)
-{
-       GtkTreeIter from_child;
-       
-       keyword_copy(keyword_tree, to, from);
-       
-       if (!gtk_tree_model_iter_children(GTK_TREE_MODEL(keyword_tree), &from_child, from)) return;
-       
-       while (TRUE)
-               {
-               GtkTreeIter to_child;
-               gtk_tree_store_append(keyword_tree, &to_child, to);
-               keyword_copy_recursive(keyword_tree, &to_child, &from_child);
-               if (!gtk_tree_model_iter_next(GTK_TREE_MODEL(keyword_tree), &from_child)) return;
-               }
-}
-
-void keyword_move_recursive(GtkTreeStore *keyword_tree, GtkTreeIter *to, GtkTreeIter *from)
-{
-       keyword_copy_recursive(keyword_tree, to, from);
-       keyword_delete(keyword_tree, from);
-}
-
-GList *keyword_tree_get_path(GtkTreeModel *keyword_tree, GtkTreeIter *iter_ptr)
-{
-       GList *path = NULL;
-       GtkTreeIter iter = *iter_ptr;
-       
-       while (TRUE)
-               {
-               GtkTreeIter parent;
-               path = g_list_prepend(path, keyword_get_name(keyword_tree, &iter));
-               if (!gtk_tree_model_iter_parent(keyword_tree, &parent, &iter)) break;
-               iter = parent;
-               }
-       return path;
-}
-
-gboolean keyword_tree_get_iter(GtkTreeModel *keyword_tree, GtkTreeIter *iter_ptr, GList *path)
-{
-       GtkTreeIter iter;
-
-       if (!gtk_tree_model_get_iter_first(keyword_tree, &iter)) return FALSE;
-       
-       while (TRUE)
-               {
-               GtkTreeIter children;
-               while (TRUE)
-                       {
-                       gchar *name = keyword_get_name(keyword_tree, &iter);
-                       if (strcmp(name, path->data) == 0) break;
-                       g_free(name);
-                       if (!gtk_tree_model_iter_next(keyword_tree, &iter)) return FALSE;
-                       }
-               path = path->next;
-               if (!path) 
-                       {
-                       *iter_ptr = iter;
-                       return TRUE;
-                       }
-                       
-               if (!gtk_tree_model_iter_children(keyword_tree, &children, &iter)) return FALSE;
-               iter = children;
-               }
-}
-
-
-static gboolean keyword_tree_is_set_casefold(GtkTreeModel *keyword_tree, GtkTreeIter iter, GList *casefold_list)
-{
-       if (!casefold_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_casefold(keyword_tree, child, casefold_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 = casefold_list;
-                       gboolean found = FALSE;
-                       gchar *iter_casefold = keyword_get_casefold(keyword_tree, &iter);
-                       while (work)
-                               {
-                               const gchar *casefold = work->data;
-                               work = work->next;
-
-                               if (strcmp(iter_casefold, casefold) == 0)
-                                       {
-                                       found = TRUE;
-                                       break;
-                                       }
-                               }
-                       g_free(iter_casefold);
-                       if (!found) return FALSE;
-                       }
-               
-               if (!gtk_tree_model_iter_parent(keyword_tree, &parent, &iter)) return TRUE;
-               iter = parent;
-               }
-}
-
-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;
-
-       if (options->metadata.tags_case_sensitive)
-               {
-               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));
-                       }
-
-               ret = keyword_tree_is_set_casefold(keyword_tree, *iter, casefold_list);
-
-               string_list_free(casefold_list);
-               }
-
-       return ret;
-}
-
-void keyword_tree_set(GtkTreeModel *keyword_tree, GtkTreeIter *iter_ptr, GList **kw_list)
-{
-       GtkTreeIter iter = *iter_ptr;
-       while (TRUE)
-               {
-               GtkTreeIter parent;
-
-               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))
-                               {
-                               *kw_list = g_list_append(*kw_list, name);
-                               }
-                       else
-                               {
-                               g_free(name);
-                               }
-                       }
-
-               if (!gtk_tree_model_iter_parent(keyword_tree, &parent, &iter)) return;
-               iter = parent;
-               }
-}
-
-static void keyword_tree_reset1(GtkTreeModel *keyword_tree, GtkTreeIter *iter, GList **kw_list)
-{
-       gchar *found;
-       gchar *name;
-       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);
-
-       if (found)
-               {
-               *kw_list = g_list_remove(*kw_list, found);
-               g_free(found);
-               }
-       g_free(name);
-}
-
-static void keyword_tree_reset_recursive(GtkTreeModel *keyword_tree, GtkTreeIter *iter, GList **kw_list)
-{
-       GtkTreeIter child;
-       keyword_tree_reset1(keyword_tree, iter, kw_list);
-       
-       if (!gtk_tree_model_iter_children(keyword_tree, &child, iter)) return;
-
-       while (TRUE)
-               {
-               keyword_tree_reset_recursive(keyword_tree, &child, kw_list);
-               if (!gtk_tree_model_iter_next(keyword_tree, &child)) return;
-               }
-}
-
-static gboolean keyword_tree_check_empty_children(GtkTreeModel *keyword_tree, GtkTreeIter *parent, GList *kw_list)
-{
-       GtkTreeIter iter;
-       
-       if (!gtk_tree_model_iter_children(keyword_tree, &iter, parent)) 
-               return TRUE; /* this should happen only on empty helpers */
-
-       while (TRUE)
-               {
-               if (keyword_tree_is_set(keyword_tree, &iter, kw_list)) return FALSE;
-               if (!gtk_tree_model_iter_next(keyword_tree, &iter)) return TRUE;
-               }
-}
-
-void keyword_tree_reset(GtkTreeModel *keyword_tree, GtkTreeIter *iter_ptr, GList **kw_list)
-{
-       GtkTreeIter iter = *iter_ptr;
-       GtkTreeIter parent;
-       keyword_tree_reset_recursive(keyword_tree, &iter, kw_list);
-
-       if (!gtk_tree_model_iter_parent(keyword_tree, &parent, &iter)) return;
-       iter = parent;
-       
-       while (keyword_tree_check_empty_children(keyword_tree, &iter, *kw_list))
-               {
-               GtkTreeIter parent;
-               keyword_tree_reset1(keyword_tree, &iter, kw_list);
-               if (!gtk_tree_model_iter_parent(keyword_tree, &parent, &iter)) return;
-               iter = parent;
-               }
-}
-
-void keyword_delete(GtkTreeStore *keyword_tree, GtkTreeIter *iter_ptr)
-{
-       GList *list;
-       GtkTreeIter child;
-       while (gtk_tree_model_iter_children(GTK_TREE_MODEL(keyword_tree), &child, iter_ptr))
-               {
-               keyword_delete(keyword_tree, &child);
-               }
-       
-       meta_data_connect_mark_with_keyword(GTK_TREE_MODEL(keyword_tree), iter_ptr, -1);
-
-       gtk_tree_model_get(GTK_TREE_MODEL(keyword_tree), iter_ptr, KEYWORD_COLUMN_HIDE_IN, &list, -1);
-       g_list_free(list);
-       
-       gtk_tree_store_remove(keyword_tree, iter_ptr);
-}
-
-
-void keyword_hide_in(GtkTreeStore *keyword_tree, GtkTreeIter *iter, gpointer id)
-{
-       GList *list;
-       gtk_tree_model_get(GTK_TREE_MODEL(keyword_tree), iter, KEYWORD_COLUMN_HIDE_IN, &list, -1);
-       if (!g_list_find(list, id))
-               {
-               list = g_list_prepend(list, id);
-               gtk_tree_store_set(keyword_tree, iter, KEYWORD_COLUMN_HIDE_IN, list, -1);
-               }
-}
-
-void keyword_show_in(GtkTreeStore *keyword_tree, GtkTreeIter *iter, gpointer id)
-{
-       GList *list;
-       gtk_tree_model_get(GTK_TREE_MODEL(keyword_tree), iter, KEYWORD_COLUMN_HIDE_IN, &list, -1);
-       list = g_list_remove(list, id);
-       gtk_tree_store_set(keyword_tree, iter, KEYWORD_COLUMN_HIDE_IN, list, -1);
-}
-
-gboolean keyword_is_hidden_in(GtkTreeModel *keyword_tree, GtkTreeIter *iter, gpointer id)
-{
-       GList *list;
-       gtk_tree_model_get(keyword_tree, iter, KEYWORD_COLUMN_HIDE_IN, &list, -1);
-       return !!g_list_find(list, id);
-}
-
-static gboolean keyword_show_all_in_cb(GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data)
-{
-       keyword_show_in(GTK_TREE_STORE(model), iter, data);
-       return FALSE;
-}
-
-void keyword_show_all_in(GtkTreeStore *keyword_tree, gpointer id)
-{
-       gtk_tree_model_foreach(GTK_TREE_MODEL(keyword_tree), keyword_show_all_in_cb, id);
-}
-
-static void keyword_hide_unset_in_recursive(GtkTreeStore *keyword_tree, GtkTreeIter *iter_ptr, gpointer id, GList *keywords)
-{
-       GtkTreeIter iter = *iter_ptr;
-       while (TRUE)
-               {
-               if (!keyword_tree_is_set(GTK_TREE_MODEL(keyword_tree), &iter, keywords))
-                       {
-                       keyword_hide_in(keyword_tree, &iter, id);
-                       /* no need to check children of hidden node */
-                       }
-               else
-                       {
-                       GtkTreeIter child;
-                       if (gtk_tree_model_iter_children(GTK_TREE_MODEL(keyword_tree), &child, &iter)) 
-                               {
-                               keyword_hide_unset_in_recursive(keyword_tree, &child, id, keywords);
-                               }
-                       }
-               if (!gtk_tree_model_iter_next(GTK_TREE_MODEL(keyword_tree), &iter)) return;
-               }
-}
-
-void keyword_hide_unset_in(GtkTreeStore *keyword_tree, gpointer id, GList *keywords)
-{
-       GtkTreeIter iter;
-       if (!gtk_tree_model_get_iter_first(GTK_TREE_MODEL(keyword_tree), &iter)) return;
-       keyword_hide_unset_in_recursive(keyword_tree, &iter, id, keywords);
-}
-
-static gboolean keyword_show_set_in_cb(GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter_ptr, gpointer data)
-{
-       GtkTreeIter iter = *iter_ptr;
-       GList *keywords = data;
-       gpointer id = keywords->data;
-       keywords = keywords->next; /* hack */
-       if (keyword_tree_is_set(model, &iter, keywords))
-               {
-               while (TRUE)
-                       {
-                       GtkTreeIter parent;
-                       keyword_show_in(GTK_TREE_STORE(model), &iter, id);
-                       if (!gtk_tree_model_iter_parent(GTK_TREE_MODEL(keyword_tree), &parent, &iter)) break;
-                       iter = parent;
-                       }
-               }
-       return FALSE;
-}
-
-void keyword_show_set_in(GtkTreeStore *keyword_tree, gpointer id, GList *keywords)
-{
-       /* hack: pass id to keyword_hide_unset_in_cb in the list */
-       keywords = g_list_prepend(keywords, id);
-       gtk_tree_model_foreach(GTK_TREE_MODEL(keyword_tree), keyword_show_set_in_cb, keywords);
-       keywords = g_list_delete_link(keywords, keywords);
-}
-
-
-void keyword_tree_new(void)
-{
-       if (keyword_tree) return;
-       
-       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;
-
-       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); 
-                       i3 = 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); 
-                       i3 = keyword_tree_default_append(keyword_tree, &i2, _("Bird"), TRUE); 
-                       i3 = keyword_tree_default_append(keyword_tree, &i2, _("Insect"), TRUE); 
-                       i3 = keyword_tree_default_append(keyword_tree, &i2, _("Pets"), TRUE); 
-                       i3 = keyword_tree_default_append(keyword_tree, &i2, _("Wildlife"), TRUE); 
-                       i3 = keyword_tree_default_append(keyword_tree, &i2, _("Zoo"), TRUE); 
-               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Plant"), TRUE); 
-                       i3 = keyword_tree_default_append(keyword_tree, &i2, _("Tree"), TRUE); 
-                       i3 = keyword_tree_default_append(keyword_tree, &i2, _("Flower"), TRUE); 
-               i2 = keyword_tree_default_append(keyword_tree, &i1, _("Water"), TRUE); 
-                       i3 = keyword_tree_default_append(keyword_tree, &i2, _("River"), TRUE); 
-                       i3 = keyword_tree_default_append(keyword_tree, &i2, _("Lake"), TRUE); 
-                       i3 = 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); 
-                       i3 = keyword_tree_default_append(keyword_tree, &i2, _("House"), TRUE); 
-                       i3 = keyword_tree_default_append(keyword_tree, &i2, _("Cathedral"), TRUE); 
-                       i3 = keyword_tree_default_append(keyword_tree, &i2, _("Palace"), TRUE); 
-                       i3 = keyword_tree_default_append(keyword_tree, &i2, _("Castle"), TRUE); 
-                       i3 = 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); 
-                       i3 = 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); 
-                       i3 = keyword_tree_default_append(keyword_tree, &i2, _("Fog"), TRUE); 
-                       i3 = keyword_tree_default_append(keyword_tree, &i2, _("Rain"), TRUE); 
-                       i3 = keyword_tree_default_append(keyword_tree, &i2, _("Clouds"), TRUE); 
-                       i3 = keyword_tree_default_append(keyword_tree, &i2, _("Snow"), TRUE); 
-                       i3 = 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); 
-}
-
-
-static void keyword_tree_node_write_config(GtkTreeModel *keyword_tree, GtkTreeIter *iter_ptr, GString *outstr, gint indent)
-{
-       GtkTreeIter iter = *iter_ptr;
-       while (TRUE)
-               {
-               GtkTreeIter children;
-               gchar *name;
-
-               WRITE_NL(); WRITE_STRING("<keyword ");
-               name = keyword_get_name(keyword_tree, &iter);
-               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)) 
-                       {
-                       WRITE_STRING(">");
-                       indent++;
-                       keyword_tree_node_write_config(keyword_tree, &children, outstr, indent);
-                       indent--;
-                       WRITE_NL(); WRITE_STRING("</keyword>");
-                       }
-               else 
-                       {
-                       WRITE_STRING("/>");
-                       }
-               if (!gtk_tree_model_iter_next(keyword_tree, &iter)) return;
-               }
-}
-
-void keyword_tree_write_config(GString *outstr, gint indent)
-{
-       GtkTreeIter iter;
-       WRITE_NL(); WRITE_STRING("<keyword_tree>");
-       indent++;
-       
-       if (keyword_tree && gtk_tree_model_get_iter_first(GTK_TREE_MODEL(keyword_tree), &iter))
-               {
-               keyword_tree_node_write_config(GTK_TREE_MODEL(keyword_tree), &iter, outstr, indent);
-               }
-       indent--;
-       WRITE_NL(); WRITE_STRING("</keyword_tree>");
-}
-
-GtkTreeIter *keyword_add_from_config(GtkTreeStore *keyword_tree, GtkTreeIter *parent, const gchar **attribute_names, const gchar **attribute_values)
-{
-       gchar *name = NULL;
-       gboolean is_kw = TRUE;
-
-       while (*attribute_names)
-               {
-               const gchar *option = *attribute_names++;
-               const gchar *value = *attribute_values++;
-
-               if (READ_CHAR_FULL("name", name)) continue;
-               if (READ_BOOL_FULL("kw", is_kw)) continue;
-
-               log_printf("unknown attribute %s = %s\n", option, value);
-               }
-       if (name && name[0]) 
-               {
-               GtkTreeIter iter;
-               /* re-use existing keyword if any */
-               if (!keyword_exists(GTK_TREE_MODEL(keyword_tree), parent, NULL, name, FALSE, &iter))
-                       {
-                       gtk_tree_store_append(keyword_tree, &iter, parent);
-                       }
-               keyword_set(keyword_tree, &iter, name, is_kw);
-               g_free(name);
-               return gtk_tree_iter_copy(&iter);
-               }
-       g_free(name);
-       return NULL;
-}
-
-/* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */