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/**
* Navit, a modular navigation system.
* Copyright (C) 2005-2008 Navit Team
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef NAVIT_OSD_H
#define NAVIT_OSD_H
struct osd_priv;
struct attr;
#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);
};
typedef enum {
PIXELS=0, /** number is in pixels. No calculation required */
MM, /** number is in mm. Use dpi value to calculate to pixels */
IN, /** number is in inches. Use dpi value to calculate to pixels */
REL /** number is in % display space. Use available pixels to calculate to pixels */
} osd_display_coordinate_type;
struct osd_display_coordinate {
double num;
osd_display_coordinate_type type;
};
struct osd_item {
struct point p;
struct osd_item_methods meth;
int flags, w, h, fg_line_width, osd_configuration, configured;
struct osd_display_coordinate rel_w, rel_h, rel_x, rel_y, font_size;
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; /**< Whether the item needs to be redrawn. */
};
/* prototypes */
struct attr;
struct navit;
struct osd;
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);
int osd_rel2real(struct navit *nav, const struct osd_display_coordinate * attrval, int whole, int treat_neg_as_rel);
/* end of prototypes */
#endif
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