1 /* Public Domain Curses */
2 
3 /* Private definitions and declarations for use within PDCurses.
4    These should generally not be referenced by applications. */
5 
6 #ifndef __CURSES_INTERNALS__
7 #define __CURSES_INTERNALS__ 1
8 
9 #define CURSES_LIBRARY
10 #include <curses.h>
11 
12 #if defined(__TURBOC__) || defined(__EMX__) || defined(__DJGPP__) || \
13     defined(__CYGWIN__) || defined(__MINGW32__) || \
14     defined(__WATCOMC__) || defined(__PACIFIC__)
15 # ifndef HAVE_VSSCANF
16 #  define HAVE_VSSCANF       /* have vsscanf() */
17 # endif
18 #endif
19 
20 #if defined(__CYGWIN__) || defined(__MINGW32__) || defined(__WATCOMC__)
21 # ifndef HAVE_VSNPRINTF
22 #  define HAVE_VSNPRINTF     /* have vsnprintf() */
23 # endif
24 #endif
25 
26 #if defined(_MSC_VER) && defined(_WIN32) && !defined(_CRT_SECURE_NO_DEPRECATE)
27 # define _CRT_SECURE_NO_DEPRECATE 1   /* kill nonsense warnings */
28 #endif
29 
30 /*----------------------------------------------------------------------*/
31 
32 typedef struct           /* structure for ripped off lines */
33 {
34     int line;
35     int (*init)(WINDOW *, int);
36 } RIPPEDOFFLINE;
37 
38 /* Window properties */
39 
40 #define _SUBWIN    0x01  /* window is a subwindow */
41 #define _PAD       0x10  /* X/Open Pad. */
42 #define _SUBPAD    0x20  /* X/Open subpad. */
43 
44 /* Miscellaneous */
45 
46 #define _NO_CHANGE -1    /* flags line edge unchanged */
47 
48 #define _ECHAR     0x08  /* Erase char       (^H) */
49 #define _DWCHAR    0x17  /* Delete Word char (^W) */
50 #define _DLCHAR    0x15  /* Delete Line char (^U) */
51 
52 extern WINDOW *pdc_lastscr;
53 extern FILE *pdc_dbfp;   /* tracing file pointer (NULL = off) */
54 extern bool pdc_color_started;
55 extern unsigned long pdc_key_modifiers;
56 extern MOUSE_STATUS pdc_mouse_status;
57 
58 /*----------------------------------------------------------------------*/
59 
60 /* Platform implementation functions */
61 
62 void    PDC_beep(void);
63 bool    PDC_can_change_color(void);
64 int     PDC_color_content(short, short *, short *, short *);
65 bool    PDC_check_key(void);
66 int     PDC_curs_set(int);
67 void    PDC_flushinp(void);
68 int     PDC_get_columns(void);
69 int     PDC_get_cursor_mode(void);
70 int     PDC_get_key(void);
71 int     PDC_get_rows(void);
72 void    PDC_gotoyx(int, int);
73 int     PDC_init_color(short, short, short, short);
74 void    PDC_init_pair(short, short, short);
75 int     PDC_modifiers_set(void);
76 int     PDC_mouse_set(void);
77 void    PDC_napms(int);
78 int     PDC_pair_content(short, short *, short *);
79 void    PDC_reset_prog_mode(void);
80 void    PDC_reset_shell_mode(void);
81 int     PDC_resize_screen(int, int);
82 void    PDC_restore_screen_mode(int);
83 void    PDC_save_screen_mode(int);
84 void    PDC_scr_close(void);
85 void    PDC_scr_free(void);
86 int     PDC_scr_open(int, char **);
87 void    PDC_set_keyboard_binary(bool);
88 void    PDC_transform_line(int, int, int, const chtype *);
89 const char *PDC_sysname(void);
90 
91 /* Internal cross-module functions */
92 
93 void    PDC_init_atrtab(void);
94 WINDOW *PDC_makelines(WINDOW *);
95 WINDOW *PDC_makenew(int, int, int, int);
96 int     PDC_mouse_in_slk(int, int);
97 void    PDC_slk_free(void);
98 void    PDC_slk_initialize(void);
99 void    PDC_sync(WINDOW *);
100 
101 #ifdef PDC_WIDE
102 int     PDC_mbtowc(wchar_t *, const char *, size_t);
103 size_t  PDC_mbstowcs(wchar_t *, const char *, size_t);
104 size_t  PDC_wcstombs(char *, const wchar_t *, size_t);
105 #endif
106 
107 #ifdef PDCDEBUG
108 # define PDC_LOG(x) if (pdc_dbfp) PDC_debug x
109 #else
110 # define PDC_LOG(x)
111 #endif
112 
113 /* Internal macros for attributes */
114 
115 #ifdef CHTYPE_LONG
116 # define PDC_COLOR_PAIRS 256
117 #else
118 # define PDC_COLOR_PAIRS  32
119 #endif
120 
121 #ifndef max
122 # define max(a,b) (((a) > (b)) ? (a) : (b))
123 #endif
124 #ifndef min
125 # define min(a,b) (((a) < (b)) ? (a) : (b))
126 #endif
127 
128 #define DIVROUND(num, divisor) ((num) + ((divisor) >> 1)) / (divisor)
129 
130 #define PDC_CLICK_PERIOD 150  /* time to wait for a click, if
131                                  not set by mouseinterval() */
132 
133 #endif /* __CURSES_INTERNALS__*/
134