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#ifndef IMV_NAVIGATOR_H
#define IMV_NAVIGATOR_H
#include <time.h>
/* Copyright (c) 2015 imv authors
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
struct imv_navigator {
int num_paths;
int buf_size;
int cur_path;
char **paths;
time_t *mtimes;
int last_move_direction;
int changed;
};
/* Initialises an instance of imv_navigator */
void imv_navigator_init(struct imv_navigator *nav);
/* Cleans up all resources owned by a imv_navigator instance */
void imv_navigator_destroy(struct imv_navigator *nav);
/* Adds the given path to the navigator's internal list.
* If a directory is given, all files within that directory are added.
* An internal copy of path is made.
* If recursive is non-zero then subdirectories are recursed into. */
void imv_navigator_add(struct imv_navigator *nav, const char *path,
int recursive);
/* Returns a read-only reference to the current path. The pointer is only
* guaranteed to be valid until the next call to an imv_navigator method. */
const char *imv_navigator_selection(struct imv_navigator *nav);
/* Change the currently selected path. dir = -1 for previous, 1 for next */
void imv_navigator_select_rel(struct imv_navigator *nav, int dir);
/* Removes the given path. The current selection is updated if necessary,
* based on the last direction the selection moved. */
void imv_navigator_remove(struct imv_navigator *nav, const char *path);
/* Select the given path if it exists. */
void imv_navigator_select_str(struct imv_navigator *nav, const int path);
/* Return the index of the path given. Returns -1 if not found. */
int imv_navigator_find_path(struct imv_navigator *nav, const char *path);
/* Returns 1 if either the currently selected path or underlying file has
* changed since last called */
int imv_navigator_poll_changed(struct imv_navigator *nav, const int nopoll);
#endif
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