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eda-tools/eeshow/gui/over.h

72 lines
2.0 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 <pango/pangocairo.h>
#include "gui/aoi.h"
struct color {
double r, g, b, alpha;
};
struct overlay_style {
const char *font;
unsigned wmin, wmax;
unsigned hmin, hmax;
unsigned radius;
unsigned pad; /* in x and y direction; adjust for radius ! */
unsigned skip; /* should be list-specific */
struct color fg;
struct color bg;
struct color frame;
double width;
};
struct overlay;
void overlay_draw_all_d(struct overlay *overlays, cairo_t *cr,
int x, int y, int dx, int dy);
void overlay_draw_all(struct overlay *overlays, cairo_t *cr, int x, int y);
void overlay_size(const struct overlay *over, PangoContext *pango_context,
int *w, int *h);
void overlay_size_all(const struct overlay *overlays,
PangoContext *pango_context, bool dx, bool dy, int *w, int *h);
struct overlay *overlay_add(struct overlay **overlays, struct aoi **aois,
bool (*hover)(void *user, bool on, int dx, int dy),
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_icon(struct overlay *over, cairo_surface_t *icon);
void overlay_style(struct overlay *over, const struct overlay_style *style);
void overlay_set_related(struct overlay *over, struct overlay *related);
void overlay_set_related_all(struct overlay *overlays, struct overlay *related);
void overlay_remove(struct overlay **overlays, struct overlay *over);
void overlay_remove_all(struct overlay **overlays);
#endif /* !GUI_OVER_H */