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