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| 1 | /* |
| 2 | * gui/aoi.h - GUI: areas of interest |
| 3 | * |
| 4 | * Written 2016 by Werner Almesberger |
| 5 | * Copyright 2016 by Werner Almesberger |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | */ |
| 12 | |
| 13 | #ifndef GUI_AOI_H |
| 14 | #define GUI_AOI_H |
| 15 | |
| 16 | #include <stdbool.h> |
| 17 | |
| 18 | |
| 19 | struct aoi { |
| 20 | int x, y, w, h; /* activation box, eeschema coordinates */ |
| 21 | /* points to hovered aoi, or NULL */ |
| 22 | |
| 23 | bool (*hover)(void *user, bool on, int dx, int dy); |
| 24 | void (*click)(void *user); |
| 25 | void *user; |
| 26 | |
| 27 | const struct aoi *related; /* considered equal for clicks */ |
| 28 | |
| 29 | struct aoi *next; |
| 30 | }; |
| 31 | |
| 32 | |
| 33 | struct aoi *aoi_add(struct aoi **aois, const struct aoi *cfg); |
| 34 | void aoi_update(struct aoi *aoi, const struct aoi *cfg); |
| 35 | bool aoi_hover(struct aoi *const *aois, int x, int y); |
| 36 | |
| 37 | bool aoi_click(struct aoi *const *aois, int x, int y); |
| 38 | |
| 39 | void aoi_set_related(struct aoi *aoi, const struct aoi *related); |
| 40 | |
| 41 | void aoi_remove(struct aoi **aois, const struct aoi *aoi); |
| 42 | void aoi_dehover(void); |
| 43 | |
| 44 | #endif /* !GUI_AOI_H */ |
| 45 |
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