47 lines
1.8 KiB
C
47 lines
1.8 KiB
C
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#ifndef IMV_NAVIGATOR_H
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#define IMV_NAVIGATOR_H
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/* Copyright (c) 2015 Harry Jeffery
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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struct imv_loop_item {
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struct imv_loop_item *prev;
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struct imv_loop_item *next;
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char *path;
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};
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struct imv_navigator {
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struct imv_loop_item *first, *last, *cur;
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int num_paths;
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int last_move_direction;
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};
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void imv_init_navigator(struct imv_navigator *nav);
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void imv_destroy_navigator(struct imv_navigator *nav);
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void imv_navigator_add_path(struct imv_navigator *nav, const char *path);
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void imv_navigator_add_path_recursive(struct imv_navigator *nav, const char *path);
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const char *imv_navigator_get_current_path(struct imv_navigator *nav);
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void imv_navigator_next_path(struct imv_navigator *nav);
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void imv_navigator_prev_path(struct imv_navigator *nav);
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void imv_navigator_remove_current_path(struct imv_navigator *nav);
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#endif
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