commands/elvis/curses.h

   1 /* curses.h */
   2
   3 /* Author:
   4  *      Steve Kirkendall
   5  *      14407 SW Teal Blvd. #C
   6  *      Beaverton, OR 97005
   7  *      kirkenda@cs.pdx.edu
   8  */
   9
  10
  11 /* This is the header file for a small, fast, fake curses package */
  12
  13 /* termcap stuff */
  14 extern char     *tgoto();
  15 extern char     *tgetstr();
  16 extern void     tputs();
  17
  18 #if MSDOS
  19 /* BIOS interface used instead of termcap for MS-DOS */
  20 extern int      vmode;
  21 extern void     v_up();
  22 extern void     v_cb();
  23 extern void     v_cs();
  24 extern void     v_ce();
  25 extern void     v_cl();
  26 extern void     v_cd();
  27 extern void     v_al();
  28 extern void     v_dl();
  29 extern void     v_sr();
  30 extern void     v_move();
  31 #endif
  32
  33 /* faddch() is a function.  a pointer to it is passed to tputs() */
  34 extern int      faddch();
  35
  36 /* data types */
  37 #define WINDOW  char
  38
  39 /* CONSTANTS & SYMBOLS */
  40 #define TRUE            1
  41 #define FALSE           0
  42 #define A_NORMAL        0
  43 #define A_STANDOUT      1
  44 #define A_BOLD          2
  45 #define A_UNDERLINE     3
  46 #define A_ALTCHARSET    4
  47 #define A_POPUP         5
  48 #define A_VISIBLE       6
  49 #define KBSIZ           4096
  50
  51 /* figure out how many function keys we need to allow. */
  52 #ifndef NO_FKEY
  53 # ifdef NO_SHIFT_FKEY
  54 #  define       NFKEYS  10
  55 # else
  56 #  ifdef NO_CTRL_FKEY
  57 #   define      NFKEYS  20
  58 #  else
  59 #   ifdef NO_ALT_FKEY
  60 #    define     NFKEYS  30
  61 #   else
  62 #    define     NFKEYS  40
  63 #   endif
  64 #  endif
  65 # endif
  66 extern char     *FKEY[NFKEYS];  /* :k0=:...:k9=: codes sent by function keys */
  67 #endif
  68
  69 /* extern variables, defined in curses.c */
  70 extern char     *termtype;      /* name of terminal entry */
  71 extern short    ospeed;         /* tty speed, eg B2400 */
  72 #if OSK
  73 extern char PC_;        /* Pad char */
  74 extern char     *BC;    /* Backspace char string */
  75 #else
  76 extern char     PC;             /* Pad char */
  77 #endif
  78 extern WINDOW   *stdscr;        /* pointer into kbuf[] */
  79 extern WINDOW   kbuf[KBSIZ];    /* a very large output buffer */
  80 extern int      LINES;          /* :li#: number of rows */
  81 extern int      COLS;           /* :co#: number of columns */
  82 extern int      AM;             /* :am:  boolean: auto margins? */
  83 extern int      PT;             /* :pt:  boolean: physical tabs? */
  84 extern char     *VB;            /* :vb=: visible bell */
  85 extern char     *UP;            /* :up=: move cursor up */
  86 extern char     *SO;            /* :so=: standout start */
  87 extern char     *SE;            /* :se=: standout end */
  88 extern char     *US;            /* :us=: underline start */
  89 extern char     *UE;            /* :ue=: underline end */
  90 extern char     *MD;            /* :md=: bold start */
  91 extern char     *ME;            /* :me=: bold end */
  92 extern char     *AS;            /* :as=: alternate (italic) start */
  93 extern char     *AE;            /* :ae=: alternate (italic) end */
  94 #ifndef NO_VISIBLE
  95 extern char     *MV;            /* :mv=: "visible" selection start */
  96 #endif
  97 extern char     *CM;            /* :cm=: cursor movement */
  98 extern char     *CE;            /* :ce=: clear to end of line */
  99 extern char     *CD;            /* :cd=: clear to end of screen */
 100 extern char     *AL;            /* :al=: add a line */
 101 extern char     *DL;            /* :dl=: delete a line */
 102 #if OSK
 103 extern char     *SR_;           /* :sr=: scroll reverse */
 104 #else
 105 extern char     *SR;            /* :sr=: scroll reverse */
 106 #endif
 107 extern char     *KS;            /* :ks=: init string for cursor */
 108 extern char     *KE;            /* :ke=: restore string for cursor */
 109 extern char     *KU;            /* :ku=: sequence sent by up key */
 110 extern char     *KD;            /* :kd=: sequence sent by down key */
 111 extern char     *KL;            /* :kl=: sequence sent by left key */
 112 extern char     *KR;            /* :kr=: sequence sent by right key */
 113 extern char     *PU;            /* :PU=: key sequence sent by PgUp key */
 114 extern char     *PD;            /* :PD=: key sequence sent by PgDn key */
 115 extern char     *HM;            /* :HM=: key sequence sent by Home key */
 116 extern char     *EN;            /* :EN=: key sequence sent by End key */
 117 extern char     *KI;            /* :kI=: key sequence sent by Insert key */
 118 extern char     *IM;            /* :im=: insert mode start */
 119 extern char     *IC;            /* :ic=: insert following char */
 120 extern char     *EI;            /* :ei=: insert mode end */
 121 extern char     *DC;            /* :dc=: delete a character */
 122 extern char     *TI;            /* :ti=: terminal init */       /* GB */
 123 extern char     *TE;            /* :te=: terminal exit */       /* GB */
 124 #ifndef NO_CURSORSHAPE
 125 extern char     *CQ;            /* :cQ=: normal cursor */
 126 extern char     *CX;            /* :cX=: cursor used for EX command/entry */
 127 extern char     *CV;            /* :cV=: cursor used for VI command mode */
 128 extern char     *CI;            /* :cI=: cursor used for VI input mode */
 129 extern char     *CR;            /* :cR=: cursor used for VI replace mode */
 130 #endif
 131 extern char     *aend;          /* end an attribute -- either UE or ME */
 132 extern char     ERASEKEY;       /* taken from the ioctl structure */
 133 #ifndef NO_COLOR
 134 extern char     SOcolor[];
 135 extern char     SEcolor[];
 136 extern char     UScolor[];
 137 extern char     UEcolor[];
 138 extern char     MDcolor[];
 139 extern char     MEcolor[];
 140 extern char     AScolor[];
 141 extern char     AEcolor[];
 142 # ifndef NO_POPUP
 143 extern char     POPUPcolor[];
 144 # endif
 145 # ifndef NO_VISIBLE
 146 extern char     VISIBLEcolor[];
 147 # endif
 148 extern char     normalcolor[];
 149 #endif /* undef NO_COLOR */
 150
 151 /* Msdos-versions may use bios; others always termcap.
 152  * Will emit some 'code has no effect' warnings in unix.
 153  */
 154
 155 #if MSDOS
 156 extern char o_pcbios[1];                /* BAH! */
 157 #define CHECKBIOS(x,y)  (*o_pcbios ? (x) : (y))
 158 #define VOIDBIOS(x,y)   {if (*o_pcbios) {x;} else {y;}}
 159 #else
 160 #define CHECKBIOS(x,y)  (y)
 161 #define VOIDBIOS(x,y)   {y;}
 162 #endif
 163
 164 #ifndef NO_COLOR
 165 # define setcolor(m,a)  CHECKBIOS(bioscolor(m,a), ansicolor(m,a))
 166 # define fixcolor()     VOIDBIOS(;, tputs(normalcolor, 1, faddch))
 167 # define quitcolor()    CHECKBIOS(biosquit(), ansiquit())
 168 # define do_SO()        VOIDBIOS((vmode=A_STANDOUT), tputs(SOcolor, 1, faddch))
 169 # define do_SE()        VOIDBIOS((vmode=A_NORMAL), tputs(SEcolor, 1, faddch))
 170 # define do_US()        VOIDBIOS((vmode=A_UNDERLINE), tputs(UScolor, 1, faddch))
 171 # define do_UE()        VOIDBIOS((vmode=A_NORMAL), tputs(UEcolor, 1, faddch))
 172 # define do_MD()        VOIDBIOS((vmode=A_BOLD), tputs(MDcolor, 1, faddch))
 173 # define do_ME()        VOIDBIOS((vmode=A_NORMAL), tputs(MEcolor, 1, faddch))
 174 # define do_AS()        VOIDBIOS((vmode=A_ALTCHARSET), tputs(AScolor, 1, faddch))
 175 # define do_AE()        VOIDBIOS((vmode=A_NORMAL), tputs(AEcolor, 1, faddch))
 176 # define do_POPUP()     VOIDBIOS((vmode=A_POPUP), tputs(POPUPcolor, 1, faddch))
 177 # define do_VISIBLE()   VOIDBIOS((vmode=A_VISIBLE), tputs(VISIBLEcolor, 1, faddch))
 178 #else
 179 # define do_SO()        VOIDBIOS((vmode=A_STANDOUT), tputs(SO, 1, faddch))
 180 # define do_SE()        VOIDBIOS((vmode=A_NORMAL), tputs(SE, 1, faddch))
 181 # define do_US()        VOIDBIOS((vmode=A_UNDERLINE), tputs(US, 1, faddch))
 182 # define do_UE()        VOIDBIOS((vmode=A_NORMAL), tputs(UE, 1, faddch))
 183 # define do_MD()        VOIDBIOS((vmode=A_BOLD), tputs(MD, 1, faddch))
 184 # define do_ME()        VOIDBIOS((vmode=A_NORMAL), tputs(ME, 1, faddch))
 185 # define do_AS()        VOIDBIOS((vmode=A_ALTCHARSET), tputs(AS, 1, faddch))
 186 # define do_AE()        VOIDBIOS((vmode=A_NORMAL), tputs(AE, 1, faddch))
 187 # define do_POPUP()     VOIDBIOS((vmode=A_POPUP), tputs(SO, 1, faddch))
 188 # define do_VISIBLE()   VOIDBIOS((vmode=A_VISIBLE), tputs(MV, 1, faddch))
 189 #endif
 190
 191 #define do_VB()         VOIDBIOS(;, tputs(VB, 1, faddch))
 192 #define do_UP()         VOIDBIOS(v_up(), tputs(UP, 1, faddch))
 193 #undef  do_CM           /* move */
 194 #define do_CE()         VOIDBIOS(v_ce(), tputs(CE, 1, faddch))
 195 #define do_CD()         VOIDBIOS(v_cd(), tputs(CD, 1, faddch))
 196 #define do_AL()         VOIDBIOS(v_al(), tputs(AL, LINES, faddch))
 197 #define do_DL()         VOIDBIOS(v_dl(), tputs(DL, LINES, faddch))
 198 #if OSK
 199 #define do_SR()         VOIDBIOS(v_sr(), tputs(SR_, 1, faddch))
 200 #else
 201 #define do_SR()         VOIDBIOS(v_sr(), tputs(SR, 1, faddch))
 202 #endif
 203 #define do_KS()         VOIDBIOS(1, tputs(KS, 1, faddch))
 204 #define do_KE()         VOIDBIOS(1, tputs(KE, 1, faddch))
 205 #define do_IM()         VOIDBIOS(;, tputs(IM, 1, faddch))
 206 #define do_IC()         VOIDBIOS(;, tputs(IC, 1, faddch))
 207 #define do_EI()         VOIDBIOS(;, tputs(EI, 1, faddch))
 208 #define do_DC()         VOIDBIOS(;, tputs(DC, COLS, faddch))
 209 #define do_TI()         VOIDBIOS(;, (void)ttywrite(TI, (unsigned)strlen(TI)))
 210 #define do_TE()         VOIDBIOS(;, (void)ttywrite(TE, (unsigned)strlen(TE)))
 211 #ifndef NO_CURSORSHAPE
 212 # define do_CQ()        VOIDBIOS(v_cs(), tputs(CQ, 1, faddch))
 213 # define do_CX()        VOIDBIOS(v_cs(), tputs(CX, 1, faddch))
 214 # define do_CV()        VOIDBIOS(v_cs(), tputs(CV, 1, faddch))
 215 # define do_CI()        VOIDBIOS(v_cb(), tputs(CI, 1, faddch))
 216 # define do_CR()        VOIDBIOS(v_cb(), tputs(CR, 1, faddch))
 217 #endif
 218 #ifndef NO_COLOR
 219 # define do_aend()      VOIDBIOS((vmode=A_NORMAL), endcolor())
 220 #else
 221 # define do_aend()      VOIDBIOS((vmode=A_NORMAL), tputs(aend, 1, faddch))
 222 #endif
 223
 224 #define has_AM          CHECKBIOS(1, AM)
 225 #define has_PT          CHECKBIOS(0, PT)
 226 #define has_VB          CHECKBIOS((char *)0, VB)
 227 #define has_UP          CHECKBIOS((char *)1, UP)
 228 #define has_SO          CHECKBIOS((char)1, (*SO))
 229 #define has_SE          CHECKBIOS((char)1, (*SE))
 230 #define has_US          CHECKBIOS((char)1, (*US))
 231 #define has_UE          CHECKBIOS((char)1, (*UE))
 232 #define has_MD          CHECKBIOS((char)1, (*MD))
 233 #define has_ME          CHECKBIOS((char)1, (*ME))
 234 #define has_AS          CHECKBIOS((char)1, (*AS))
 235 #define has_AE          CHECKBIOS((char)1, (*AE))
 236 #undef  has_CM          /* cursor move: don't need */
 237 #define has_CB          CHECKBIOS(1, 0)
 238 #define has_CS          CHECKBIOS(1, 0)
 239 #define has_CE          CHECKBIOS((char *)1, CE)
 240 #define has_CD          CHECKBIOS((char *)1, CD)
 241 #define has_AL          CHECKBIOS((char *)1, AL)
 242 #define has_DL          CHECKBIOS((char *)1, DL)
 243 #if OSK
 244 #define has_SR          CHECKBIOS((char *)1, SR_)
 245 #else
 246 #define has_SR          CHECKBIOS((char *)1, SR)
 247 #endif
 248 #define has_KS          CHECKBIOS((char)1, (*KS))
 249 #define has_KE          CHECKBIOS((char)1, (*KE))
 250 #define has_KU          KU
 251 #define has_KD          KD
 252 #define has_KL          KL
 253 #define has_KR          KR
 254 #define has_HM          HM
 255 #define has_EN          EN
 256 #define has_PU          PU
 257 #define has_PD          PD
 258 #define has_KI          KI
 259 #define has_IM          CHECKBIOS((char)0, (*IM))
 260 #define has_IC          CHECKBIOS((char)0, (*IC))
 261 #define has_EI          CHECKBIOS((char)0, (*EI))
 262 #define has_DC          CHECKBIOS((char *)0, DC)
 263 #define has_TI          CHECKBIOS((char)0, (*TI))
 264 #define has_TE          CHECKBIOS((char)0, (*TE))
 265 #ifndef NO_CURSORSHAPE
 266 #define has_CQ          CHECKBIOS((char *)1, CQ)
 267 #endif
 268
 269 /* (pseudo)-Curses-functions */
 270
 271 #ifdef lint
 272 # define _addCR         VOIDBIOS(;, (stdscr[-1] == '\n' ? qaddch('\r') : (stdscr[-1] = '\n')))
 273 #else
 274 # if OSK
 275 #  define _addCR        VOIDBIOS(;, (stdscr[-1] == '\n' ? qaddch('\l') : (stdscr[-1] = stdscr[-1])))
 276 # else
 277 #  define _addCR        VOIDBIOS(;, (stdscr[-1] == '\n' ? qaddch('\r') : 0))
 278 # endif
 279 #endif
 280
 281 #ifdef AZTEC_C
 282 # define qaddch(ch)     CHECKBIOS(v_put(ch), (*stdscr = (ch), *stdscr++))
 283 #else
 284 #define qaddch(ch)      CHECKBIOS(v_put(ch), (*stdscr++ = (ch)))
 285 #endif
 286
 287 #if OSK
 288 #define addch(ch)       if (qaddch(ch) == '\n') qaddch('\l'); else
 289 #else
 290 #define addch(ch)       if (qaddch(ch) == '\n') qaddch('\r'); else
 291 #endif
 292
 293 extern void initscr();
 294 extern void endwin();
 295 extern void suspend_curses();
 296 extern void resume_curses();
 297 extern void attrset();
 298 extern void insch();
 299 extern void qaddstr();
 300 extern void wrefresh();
 301 extern void wqrefresh();
 302 #define addstr(str)     {qaddstr(str); _addCR;}
 303 #define move(y,x)       VOIDBIOS(v_move(x,y), tputs(tgoto(CM, x, y), 1, faddch))
 304 #define mvaddch(y,x,ch) {move(y,x); addch(ch);}
 305 #define refresh()       VOIDBIOS(;, wrefresh())
 306 #define standout()      do_SO()
 307 #define standend()      do_SE()
 308 #define clrtoeol()      do_CE()
 309 #define clrtobot()      do_CD()
 310 #define insertln()      do_AL()
 311 #define deleteln()      do_DL()
 312 #define delch()         do_DC()
 313 #define scrollok(w,b)
 314 #define raw()
 315 #define echo()
 316 #define cbreak()
 317 #define noraw()
 318 #define noecho()
 319 #define nocbreak()