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If A is related to B, then A can receive clicks while B is hovering, without getting B de-hovered. Note that in aoi_set_related(A, B), more than one A can share one B, but an A can't have more than one B.
45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
/*
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* gui/aoi.h - GUI: areas of interest
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*
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* Written 2016 by Werner Almesberger
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* Copyright 2016 by Werner Almesberger
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef GUI_AOI_H
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#define GUI_AOI_H
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#include <stdbool.h>
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struct aoi {
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int x, y, w, h; /* activation box, eeschema coordinates */
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/* points to hovered aoi, or NULL */
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bool (*hover)(void *user, bool on);
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void (*click)(void *user);
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void *user;
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const struct aoi *related; /* considered equal for clicks */
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struct aoi *next;
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};
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struct aoi *aoi_add(struct aoi **aois, const struct aoi *cfg);
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void aoi_update(struct aoi *aoi, const struct aoi *cfg);
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bool aoi_hover(const struct aoi *aois, int x, int y);
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bool aoi_click(const struct aoi *aois, int x, int y);
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void aoi_set_related(struct aoi *aoi, const struct aoi *related);
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void aoi_remove(struct aoi **aois, const struct aoi *aoi);
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void aoi_dehover(void);
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#endif /* !GUI_AOI_H */
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