osd.h

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#ifndef NAVIT_OSD_H
#define NAVIT_OSD_H
 
#include "attr_type_def.h"  // for attr_type
#include "color.h"          // for color
#include "point.h"          // for point
struct attr;
struct attr_iter;
struct navit;
struct osd;
struct osd_priv;
struct vehicle;
 
#define TRANSPARENT_BG 1
#define ITEM_HAS_TEXT 2
#define DISABLE_OVERLAY 4
 
struct osd_methods {
    void (*osd_destroy)(struct osd_priv *osd);
    int (*set_attr)(struct osd_priv *osd, struct attr *attr);
    void (*destroy)(struct osd_priv *osd);
    int (*get_attr)(struct osd_priv *osd, enum attr_type type, struct attr *attr);
};
 
#define osd_draw_cast(x) (void (*)(struct osd_priv * osd, struct navit * navit, struct vehicle * v))(x)
 
struct osd_item_methods {
    void (*draw)(struct osd_priv *osd, struct navit *navit, struct vehicle *v);
};
 
struct osd_item {
    struct point p;
    struct osd_item_methods meth;
    int flags, w, h, fg_line_width, font_size, osd_configuration, configured;
    int rel_w, rel_h, rel_x, rel_y;
    struct color color_bg, color_fg, text_color;
    struct navit *navit;
    struct graphics *gr;
    struct graphics_gc *graphic_bg, *graphic_fg, *graphic_fg_text;
    struct graphics_font *font;
    char *font_name;
    struct callback *cb;
    struct callback *resize_cb;
    struct callback *reconfig_cb;
    struct callback *keypress_cb;
    int pressed;
    char *command;
    struct command_saved *enable_cs;
    char *accesskey;
    int do_draw; 
};
 
/* prototypes */
struct osd *osd_new(struct attr *parent, struct attr **attrs);
int osd_set_methods(struct osd_methods *in, int in_size, struct osd_methods *out);
void osd_wrap_point(struct point *p, struct navit *nav);
void osd_std_click(struct osd_item *this, struct navit *nav, int pressed, int button, struct point *p);
void osd_set_std_attr(struct attr **attrs, struct osd_item *item, int flags);
void osd_std_config(struct osd_item *item, struct navit *navit);
void osd_set_keypress(struct navit *nav, struct osd_item *item);
void osd_set_std_config(struct navit *nav, struct osd_item *item);
void osd_set_std_graphic(struct navit *nav, struct osd_item *item, struct osd_priv *priv);
void osd_std_resize(struct osd_item *item);
void osd_std_calculate_sizes(struct osd_item *item, int w, int h);
void osd_fill_with_bgcolor(struct osd_item *item);
int osd_set_attr(struct osd *osd, struct attr *attr);
int osd_get_attr(struct osd *this_, enum attr_type type, struct attr *attr, struct attr_iter *iter);
/* end of prototypes */
 
#endif