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eda-tools/eeshow/gui/aoi.h

45 lines
1.1 KiB
C

/*
* gui/aoi.h - GUI: areas of interest
*
* Written 2016 by Werner Almesberger
* Copyright 2016 by Werner Almesberger
*
* 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.
*/
#ifndef GUI_AOI_H
#define GUI_AOI_H
#include <stdbool.h>
struct aoi {
int x, y, w, h; /* activation box, eeschema coordinates */
/* points to hovered aoi, or NULL */
bool (*hover)(void *user, bool on, int dx, int dy);
void (*click)(void *user);
void *user;
const struct aoi *related; /* considered equal for clicks */
struct aoi *next;
};
struct aoi *aoi_add(struct aoi **aois, const struct aoi *cfg);
void aoi_update(struct aoi *aoi, const struct aoi *cfg);
bool aoi_hover(struct aoi *const *aois, int x, int y);
bool aoi_click(struct aoi *const *aois, int x, int y);
void aoi_set_related(struct aoi *aoi, const struct aoi *related);
void aoi_remove(struct aoi **aois, const struct aoi *aoi);
void aoi_dehover(void);
#endif /* !GUI_AOI_H */