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eda-tools/eeshow/gui-over.h

58 lines
1.8 KiB
C

/*
* gui-over.h - GUI: overlays
*
* 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_OVER_H
#define GUI_OVER_H
#include <stdbool.h>
#include <stdint.h>
#include <cairo/cairo.h>
#include "gui-aoi.h"
struct overlay_style {
const char *font;
unsigned wmin, wmax;
unsigned radius;
unsigned pad; /* in x and y direction; adjust for radius ! */
unsigned skip; /* should be list-specific */
double fg[4];
double bg[4];
double frame[4];
double width;
};
struct overlay;
extern struct overlay_style overlay_style_default;
extern struct overlay_style overlay_style_dense;
extern struct overlay_style overlay_style_dense_selected;
extern struct overlay_style overlay_style_diff_new;
extern struct overlay_style overlay_style_diff_old;
extern struct overlay_style overlay_style_dense_diff_new;
extern struct overlay_style overlay_style_dense_diff_old;
struct overlay *overlay_draw(struct overlay *over, cairo_t *cr, int *x, int *y);
void overlay_draw_all(struct overlay *overlays, cairo_t *cr, int x, int y);
struct overlay *overlay_add(struct overlay **overlays, struct aoi **aois,
bool (*hover)(void *user, bool on), void (*click)(void *user), void *user);
void overlay_text_raw(struct overlay *over, const char *s);
void overlay_text(struct overlay *over, const char *fmt, ...);
void overlay_style(struct overlay *over, const struct overlay_style *style);
void overlay_remove(struct overlay **overlays, struct overlay *over);
void overlay_remove_all(struct overlay **overlays);
#endif /* !GUI_OVER_H */