From b134bd7a3c29acddc1953786a74908764650e36b Mon Sep 17 00:00:00 2001 From: Harry Jeffery Date: Tue, 10 Nov 2015 11:11:38 +0000 Subject: Add navigator class --- navigator.h | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 navigator.h (limited to 'navigator.h') diff --git a/navigator.h b/navigator.h new file mode 100644 index 0000000..f83cfdf --- /dev/null +++ b/navigator.h @@ -0,0 +1,46 @@ +#ifndef IMV_NAVIGATOR_H +#define IMV_NAVIGATOR_H + +/* Copyright (c) 2015 Harry Jeffery + +Permission is hereby granted, free of charge, to any person obtaining a copy of +this software and associated documentation files (the "Software"), to deal in +the Software without restriction, including without limitation the rights to +use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of +the Software, and to permit persons to whom the Software is furnished to do so, +subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS +FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR +COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER +IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ + +struct imv_loop_item { + struct imv_loop_item *prev; + struct imv_loop_item *next; + char *path; +}; + +struct imv_navigator { + struct imv_loop_item *first, *last, *cur; + int num_paths; + int last_move_direction; +}; + +void imv_init_navigator(struct imv_navigator *nav); +void imv_destroy_navigator(struct imv_navigator *nav); + +void imv_navigator_add_path(struct imv_navigator *nav, const char *path); +void imv_navigator_add_path_recursive(struct imv_navigator *nav, const char *path); + +const char *imv_navigator_get_current_path(struct imv_navigator *nav); +void imv_navigator_next_path(struct imv_navigator *nav); +void imv_navigator_prev_path(struct imv_navigator *nav); +void imv_navigator_remove_current_path(struct imv_navigator *nav); + +#endif -- cgit v1.2.3