server/drivers.h

   1 /*
   2  * drivers.h
   3  * This file is part of LCDd, the lcdproc server.
   4  *
   5  * This file is released under the GNU General Public License. Refer to the
   6  * COPYING file distributed with this package.
   7  *
   8  * Copyright (c) 2001, Joris Robijn
   9  *
  10  */
  11
  12 #ifndef DRIVERS_H
  13 #define DRIVERS_H
  14
  15 #include "drivers/lcd.h"
  16 #include "shared/LL.h"
  17
  18 typedef struct DisplayProps {
  19         int width, height;
  20         int cellwidth, cellheight;
  21 } DisplayProps;
  22
  23 extern DisplayProps *display_props;
  24
  25 #ifndef bool
  26 # define bool short
  27 # define true 1
  28 # define false 0
  29 #endif
  30
  31
  32 int
  33 drivers_load_driver(const char *name);
  34
  35 int
  36 drivers_unload_all(void);
  37
  38 const char *
  39 drivers_get_info(void);
  40
  41 void
  42 drivers_clear(void);
  43
  44 void
  45 drivers_flush(void);
  46
  47 void
  48 drivers_string(int x, int y, const char *string);
  49
  50 void
  51 drivers_chr(int x, int y, char c);
  52
  53 void
  54 drivers_vbar(int x, int y, int len, int promille, int pattern);
  55
  56 void
  57 drivers_hbar(int x, int y, int len, int promille, int pattern);
  58
  59 void
  60 drivers_num(int x, int num);
  61
  62 void
  63 drivers_heartbeat(int state);
  64
  65 void
  66 drivers_icon(int x, int y, int icon);
  67
  68 void
  69 drivers_set_char(char ch, char *dat);
  70
  71 int
  72 drivers_get_contrast(void);
  73
  74 void
  75 drivers_set_contrast(int contrast);
  76
  77 void
  78 drivers_cursor(int x, int y, int state);
  79
  80 void
  81 drivers_backlight(int brightness);
  82
  83 void
  84 drivers_output(int state);
  85
  86 const char *
  87 drivers_get_key(void);
  88
  89
  90 /* Please don't read this list except using the following functions */
  91 extern LinkedList *loaded_drivers;
  92
  93 static inline Driver *drivers_getfirst(void)
  94 {
  95         return LL_GetFirst(loaded_drivers);
  96 }
  97
  98 static inline Driver *drivers_getnext(void)
  99 {
 100         return LL_GetNext(loaded_drivers);
 101 }
 102
 103 #endif