diff options
Diffstat (limited to 'e-util/e-text-model-repos.c')
-rw-r--r-- | e-util/e-text-model-repos.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/e-util/e-text-model-repos.c b/e-util/e-text-model-repos.c new file mode 100644 index 0000000000..b56a213215 --- /dev/null +++ b/e-util/e-text-model-repos.c @@ -0,0 +1,74 @@ +/* + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Jon Trowbridge <trow@ximian.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include "e-text-model-repos.h" + +#define MODEL_CLAMP(model, pos) (CLAMP((pos), 0, strlen((model)->text))) + +gint +e_repos_absolute (gint pos, + gpointer data) +{ + EReposAbsolute *info = (EReposAbsolute *) data; + g_return_val_if_fail (data, -1); + + pos = info->pos; + if (pos < 0) { + gint len = e_text_model_get_text_length (info->model); + pos += len + 1; + } + + return e_text_model_validate_position (info->model, pos); +} + +gint +e_repos_insert_shift (gint pos, + gpointer data) +{ + EReposInsertShift *info = (EReposInsertShift *) data; + g_return_val_if_fail (data, -1); + + if (pos >= info->pos) + pos += info->len; + + return e_text_model_validate_position (info->model, pos); +} + +gint +e_repos_delete_shift (gint pos, + gpointer data) +{ + EReposDeleteShift *info = (EReposDeleteShift *) data; + g_return_val_if_fail (data, -1); + + if (pos > info->pos + info->len) + pos -= info->len; + else if (pos > info->pos) + pos = info->pos; + + return e_text_model_validate_position (info->model, pos); +} |