| 1 | /*
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| 2 | =============================================================================
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| 3 | enterit.c -- MIDAS data entry and cursor support functions
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| 4 | Version 40 -- 1989-12-15 -- D.N. Lynx Crowe
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| 5 | =============================================================================
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| 6 | */
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| 7 |
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| 8 | #define DEBUGIT 0
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| 9 |
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| 10 | #include "all.h"
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| 11 |
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| 12 | extern int16_t gcurpos(int16_t xloc, int16_t yloc);
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| 13 | extern int16_t infield(int16_t row, int16_t col, struct fet *fetp);
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| 14 | extern void ctcpos(int16_t row, int16_t col);
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| 15 | extern void itcpos(int16_t row, int16_t col);
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| 16 | extern void mtcpos(int16_t row, int16_t col);
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| 17 | extern void sgcoff(void);
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| 18 | extern void sgcon(void);
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| 19 | extern void stcoff(void);
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| 20 | extern void stcpos(int16_t row, int16_t col);
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| 21 | extern void ttcpos(int16_t row, int16_t col);
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| 22 |
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| 23 | #if DEBUGIT
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| 24 | extern short debugsw;
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| 25 |
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| 26 | short debugen = 1;
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| 27 | #endif
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| 28 |
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| 29 | extern void (*cx_key)(void);
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| 30 | extern void (*cy_key)(void);
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| 31 | extern void (*cx_upd)(void);
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| 32 | extern void (*cy_upd)(void);
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| 33 | extern void (*xy_up)(void);
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| 34 | extern void (*xy_dn)(void);
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| 35 | extern int16_t (*not_fld)(int16_t k);
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| 36 | extern void (*x_key)(void);
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| 37 | extern void (*e_key)(void);
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| 38 | extern void (*m_key)(void);
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| 39 | extern void (*d_key)(int16_t k);
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| 40 | extern void (*premove)(void);
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| 41 | extern void (*pstmove)(void);
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| 42 | extern int16_t (*curtype)(void);
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| 43 |
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| 44 | extern int16_t *cratex;
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| 45 | extern int16_t *cratey;
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| 46 |
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| 47 | extern int16_t asig, aval, astat, aflag;
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| 48 | extern int16_t xkstat, ykstat, xkcount, ykcount;
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| 49 | extern int16_t cmtype, cmfirst, xycntr, curpos;
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| 50 | extern int16_t cxrate, cyrate, cxval, cyval;
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| 51 | extern int16_t ncvwait, nchwait, chwait, cvwait, cvtime, chtime;
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| 52 | extern int16_t stcrow, stccol, runit, submenu, vtcrow, vtccol;
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| 53 | extern int16_t trkball, tkctrl, txflag, tyflag;
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| 54 | extern int16_t curhold, hcwval, thcwval, tvcwval, vcwval;
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| 55 |
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| 56 | extern int16_t sigtab[128][2];
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| 57 |
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| 58 | extern int16_t crate0[];
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| 59 |
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| 60 | int16_t syrate = SMYRATE; /* smooth scroll vertical rate */
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| 61 |
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| 62 | int16_t LastRow = -1;
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| 63 | int16_t LastCol = -1;
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| 64 |
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| 65 | /* |
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| 66 |
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| 67 | */
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| 68 |
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| 69 | /*
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| 70 | =============================================================================
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| 71 | enterit() -- standard data entry (ENTER) function
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| 72 | =============================================================================
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| 73 | */
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| 74 |
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| 75 | void enterit(void)
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| 76 | {
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| 77 | if (NOT astat) /* only on closures */
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| 78 | return;
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| 79 |
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| 80 | #if DEBUGIT
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| 81 | if (debugsw AND debugen)
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| 82 | printf("enterit(): ENTRY row = %d col = %d curfet =$%lX\n",
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| 83 | stcrow, stccol, curfet);
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| 84 | #endif
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| 85 |
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| 86 | if (infield(stcrow, stccol, curfet)) { /* in a field ? */
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| 87 |
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| 88 | cfetp = infetp; /* set fet pointer */
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| 89 |
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| 90 | if ((cfetp) AND (NOT ebflag))
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| 91 | (*cfetp->ebto)(cfetp->ftags); /* load ebuf */
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| 92 |
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| 93 | if (cfetp)
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| 94 | (*cfetp->ebfrom)(cfetp->ftags); /* process ebuf */
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| 95 |
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| 96 | if (cfetp)
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| 97 | (*cfetp->redisp)(cfetp->ftags); /* redisplay */
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| 98 |
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| 99 | ebflag = FALSE;
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| 100 | }
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| 101 | }
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| 102 |
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| 103 | /* |
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| 104 |
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| 105 | */
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| 106 |
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| 107 | /*
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| 108 | =============================================================================
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| 109 | nokey() -- null key function
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| 110 | =============================================================================
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| 111 | */
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| 112 |
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| 113 | void nokey(void)
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| 114 | {
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| 115 | }
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| 116 |
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| 117 | /* |
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| 118 |
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| 119 | */
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| 120 |
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| 121 | /*
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| 122 | =============================================================================
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| 123 | nodkey() -- null d_key function
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| 124 | =============================================================================
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| 125 | */
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| 126 |
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| 127 | void nodkey(int16_t k)
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| 128 | {
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| 129 | }
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| 130 |
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| 131 | /* |
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| 132 |
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| 133 | */
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| 134 |
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| 135 | /*
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| 136 | =============================================================================
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| 137 | nonf() -- null non_fld function
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| 138 | =============================================================================
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| 139 | */
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| 140 |
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| 141 | int16_t nonf(int16_t k)
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| 142 | {
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| 143 | return(SUCCESS);
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| 144 | }
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| 145 |
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| 146 | /* |
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| 147 |
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| 148 | */
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| 149 |
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| 150 | /*
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| 151 | =============================================================================
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| 152 | entbh() -- data entry box-hit function
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| 153 | =============================================================================
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| 154 | */
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| 155 |
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| 156 | int16_t entbh(int16_t n)
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| 157 | {
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| 158 | enterit();
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| 159 | return(SUCCESS);
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| 160 | }
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| 161 |
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| 162 | /* |
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| 163 |
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| 164 | */
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| 165 |
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| 166 | /*
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| 167 | =============================================================================
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| 168 | cmvgen() -- general cursor mover
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| 169 | =============================================================================
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| 170 | */
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| 171 |
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| 172 | void cmvgen(void)
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| 173 | {
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| 174 | register int16_t nc, newrow, newcol, newpos;
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| 175 |
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| 176 | (*premove)(); /* handle PRE-MOVE functions */
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| 177 |
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| 178 | nc = (*curtype)(); /* get new CURSOR TYPE wanted */
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| 179 |
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| 180 | newrow = YTOR(cyval); /* setup new row */
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| 181 | newcol = XTOC(cxval); /* setup new column */
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| 182 |
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| 183 | if (cmtype NE nc) { /* if changed ... */
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| 184 |
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| 185 | nchwait = curhold; /* set hold time */
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| 186 | ncvwait = curhold;
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| 187 |
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| 188 | LastRow = -1; /* reset last position */
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| 189 | LastCol = -1;
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| 190 | }
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| 191 |
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| 192 | /* see if we've got a new text cursor position */
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| 193 |
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| 194 | if ((newrow NE LastRow) OR (newcol NE LastCol))
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| 195 | newpos = TRUE;
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| 196 | else
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| 197 | newpos = FALSE;
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| 198 |
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| 199 | /* setup horizontal and vertical timer counts */
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| 200 |
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| 201 | chtime = (nc EQ CT_GRAF) ? hcwval : thcwval;
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| 202 | cvtime = (nc EQ CT_GRAF) ? vcwval : ((nc EQ CT_SMTH) ? syrate : tvcwval);
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| 203 |
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| 204 | switch (nc) { /* switch on new cursor type */
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| 205 |
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| 206 | case CT_GRAF: /* GRAPHIC CURSOR */
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| 207 |
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| 208 | if (cmtype EQ CT_SCOR) { /* change from score text */
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| 209 |
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| 210 | stcoff(); /* turn off text */
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| 211 | sgcon(); /* turn on graphics */
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| 212 | }
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| 213 |
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| 214 | cmtype = nc; /* set cursor type */
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| 215 | gcurpos(cxval, cyval); /* position cursor */
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| 216 | break;
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| 217 |
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| 218 | /* |
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| 219 |
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| 220 | */
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| 221 | case CT_TEXT: /* TEXT CURSOR */
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| 222 |
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| 223 | cmtype = nc; /* set cursor type */
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| 224 |
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| 225 | if (newpos)
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| 226 | itcpos(newrow, newcol); /* position cursor */
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| 227 |
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| 228 | break;
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| 229 |
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| 230 | case CT_VIRT: /* VIRTUAL TYPEWRITER CURSOR */
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| 231 |
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| 232 | cmtype = nc; /* set cursor type */
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| 233 | ttcpos(vtcrow, vtccol); /* position cursor */
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| 234 | break;
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| 235 |
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| 236 | case CT_SCOR: /* SCORE TEXT CURSOR */
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| 237 |
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| 238 | if (cmtype EQ CT_GRAF) /* change from graphics */
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| 239 | sgcoff(); /* turn off graphics */
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| 240 |
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| 241 | cmtype = nc; /* set cursor type */
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| 242 |
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| 243 | if (newpos)
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| 244 | stcpos(newrow, newcol); /* position cursor */
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| 245 |
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| 246 | break;
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| 247 |
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| 248 | case CT_SMTH: /* SMOOTH SCROLL TEXT CURSOR */
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| 249 |
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| 250 | cmtype = nc; /* set cursor type */
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| 251 |
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| 252 | if (newpos)
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| 253 | ctcpos(newrow, newcol); /* position cursor */
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| 254 |
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| 255 | break;
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| 256 |
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| 257 | case CT_MENU: /* SUBMENU CURSOR */
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| 258 |
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| 259 | cmtype = nc; /* set cursor type */
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| 260 | mtcpos(vtcrow, vtccol); /* position cursor */
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| 261 | break;
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| 262 | }
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| 263 |
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| 264 | LastRow = newrow;
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| 265 | LastCol = newcol;
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| 266 |
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| 267 | (*pstmove)(); /* handle POST-MOVE functions */
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| 268 | }
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| 269 |
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| 270 | /* |
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| 271 |
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| 272 | */
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| 273 |
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| 274 | /*
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| 275 | =============================================================================
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| 276 | crxrate() -- calculate cursor X rate
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| 277 | =============================================================================
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| 278 | */
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| 279 |
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| 280 | int16_t crxrate(int16_t cv)
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| 281 | {
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| 282 | register int16_t cs;
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| 283 |
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| 284 | if (cv GE xycntr) {
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| 285 |
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| 286 | cv -= xycntr;
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| 287 | cs = 1;
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| 288 | curpos = -cv;
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| 289 |
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| 290 | } else {
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| 291 |
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| 292 | cv = xycntr - cv;
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| 293 | cs = 0;
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| 294 | curpos = cv;
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| 295 | }
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| 296 |
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| 297 | if (cv > 127)
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| 298 | cv = 127;
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| 299 |
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| 300 | return(cs ? -cratex[cv] : cratex[cv]);
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| 301 | }
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| 302 |
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| 303 | /* |
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| 304 |
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| 305 | */
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| 306 |
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| 307 | /*
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| 308 | =============================================================================
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| 309 | cryrate() -- calculate cursor Y rate
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| 310 | =============================================================================
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| 311 | */
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| 312 |
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| 313 | int16_t cryrate(int16_t cv)
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| 314 | {
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| 315 | register int16_t cs;
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| 316 |
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| 317 | if (cv GE xycntr) {
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| 318 |
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| 319 | cv -= xycntr;
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| 320 | cs = 1;
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| 321 | curpos = -cv;
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| 322 |
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| 323 | } else {
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| 324 |
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| 325 | cv = xycntr - cv;
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| 326 | cs = 0;
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| 327 | curpos = cv;
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| 328 | }
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| 329 |
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| 330 | if (cv > 127)
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| 331 | cv = 127;
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| 332 |
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| 333 | return(cs ? -cratey[cv] : cratey[cv]);
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| 334 | }
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| 335 |
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| 336 | /* |
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| 337 |
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| 338 | */
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| 339 |
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| 340 | /*
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| 341 | =============================================================================
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| 342 | cmfix() -- cursor motion initial movement processing
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| 343 | =============================================================================
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| 344 | */
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| 345 |
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| 346 | void cmfix(void)
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| 347 | {
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| 348 | register int16_t acx, acy, scx, scy;
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| 349 |
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| 350 | crxrate(sigtab[55][0]); /* get cursor x value */
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| 351 | acx = abs(curpos);
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| 352 |
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| 353 | cryrate(sigtab[56][0]); /* get cursor y value */
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| 354 | acy = abs(curpos);
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| 355 |
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| 356 | scx = sign(cxrate, 1);
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| 357 | scy = sign(cyrate, 1);
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| 358 |
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| 359 | if (cmfirst) { /* first motion ? */
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| 360 |
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| 361 | if (acx GE acy) { /* vertical movement */
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| 362 |
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| 363 | cyrate = 0;
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| 364 | cxrate = scx;
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| 365 | nchwait = curhold;
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| 366 | ncvwait = cvtime;
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| 367 |
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| 368 | } else { /* horizontal movement */
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| 369 |
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| 370 | cxrate = 0;
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| 371 | cyrate = scy;
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| 372 | ncvwait = curhold;
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| 373 | nchwait = chtime;
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| 374 | }
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| 375 |
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| 376 | cmfirst = FALSE;
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| 377 |
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| 378 | } else {
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| 379 |
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| 380 | /* limit text movement to 1 axis */
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| 381 |
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| 382 | if (cmtype NE CT_GRAF)
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| 383 | if (acx GE acy)
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| 384 | cyrate = 0;
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| 385 | else
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| 386 | cxrate = 0;
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| 387 | }
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| 388 | }
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| 389 |
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| 390 | /* |
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| 391 |
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| 392 | */
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| 393 |
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| 394 | /*
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| 395 | =============================================================================
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| 396 | cxkstd() -- standard cursor x rate calculation
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| 397 | =============================================================================
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| 398 | */
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| 399 |
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| 400 | void cxkstd(void)
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| 401 | {
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| 402 | trkball = FALSE;
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| 403 | tkctrl = FALSE;
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| 404 | txflag = FALSE;
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| 405 | tyflag = FALSE;
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| 406 |
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| 407 | if (astat) { /* contact */
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| 408 |
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| 409 | if (xkstat EQ FALSE) {
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| 410 |
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| 411 | if (xkcount) { /* debounce */
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| 412 |
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| 413 | xkcount--;
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| 414 | return;
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| 415 | }
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| 416 |
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| 417 | xkstat = TRUE;
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| 418 | chwait = 1;
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| 419 | nchwait = curhold;
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| 420 |
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| 421 | if (ykstat)
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| 422 | (*xy_dn)();
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| 423 | }
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| 424 |
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| 425 | cxrate = -crxrate(aval);
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| 426 | /* |
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| 427 |
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| 428 | */
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| 429 | } else { /* release */
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| 430 |
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| 431 | if (xkstat AND ykstat)
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| 432 | (*xy_up)();
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| 433 |
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| 434 | xkstat = FALSE;
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| 435 | xkcount = 1;
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| 436 | cxrate = 0;
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| 437 |
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| 438 | if (ykstat EQ FALSE) {
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| 439 |
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| 440 | cyrate = 0;
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| 441 | ykcount = 1;
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| 442 | nchwait = chtime;
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| 443 | ncvwait = cvtime;
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| 444 | chwait = 1;
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| 445 | cvwait = 1;
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| 446 | cmfirst = TRUE;
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| 447 | }
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| 448 | }
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| 449 |
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| 450 | return;
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| 451 | }
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| 452 |
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| 453 | /* |
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| 454 |
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| 455 | */
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| 456 |
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| 457 | /*
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| 458 | =============================================================================
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| 459 | cykstd() -- standard cursor y rate calculation
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| 460 | =============================================================================
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| 461 | */
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| 462 |
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| 463 | void cykstd(void)
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| 464 | {
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| 465 | trkball = FALSE;
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| 466 | tkctrl = FALSE;
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| 467 | txflag = FALSE;
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| 468 | tyflag = FALSE;
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| 469 |
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| 470 | if (astat) { /* contact */
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| 471 |
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| 472 | if (ykstat EQ FALSE) {
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| 473 |
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| 474 | if (ykcount) { /* debounce */
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| 475 |
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| 476 | ykcount--;
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| 477 | return;
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| 478 | }
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| 479 |
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| 480 | ykstat = TRUE;
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| 481 | cvwait = 1;
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| 482 | ncvwait = curhold;
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| 483 |
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| 484 | if (xkstat)
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| 485 | (*xy_dn)();
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| 486 | }
|
|---|
| 487 |
|
|---|
| 488 | cyrate = cryrate(aval);
|
|---|
| 489 | /* |
|---|
| 490 |
|
|---|
| 491 | */
|
|---|
| 492 | } else { /* release */
|
|---|
| 493 |
|
|---|
| 494 | if (xkstat AND ykstat)
|
|---|
| 495 | (*xy_up)();
|
|---|
| 496 |
|
|---|
| 497 | ykstat = FALSE;
|
|---|
| 498 | ykcount = 1;
|
|---|
| 499 | cyrate = 0;
|
|---|
| 500 |
|
|---|
| 501 | if (xkstat EQ FALSE) {
|
|---|
| 502 |
|
|---|
| 503 | cxrate = 0;
|
|---|
| 504 | xkcount = 1;
|
|---|
| 505 | nchwait = chtime;
|
|---|
| 506 | ncvwait = cvtime;
|
|---|
| 507 | chwait = 1;
|
|---|
| 508 | cvwait = 1;
|
|---|
| 509 | cmfirst = TRUE;
|
|---|
| 510 | }
|
|---|
| 511 | }
|
|---|
| 512 |
|
|---|
| 513 | return;
|
|---|
| 514 | }
|
|---|
| 515 |
|
|---|
| 516 | /* |
|---|
| 517 |
|
|---|
| 518 | */
|
|---|
| 519 |
|
|---|
| 520 | /*
|
|---|
| 521 | =============================================================================
|
|---|
| 522 | stdmkey() -- standard M key processing
|
|---|
| 523 | =============================================================================
|
|---|
| 524 | */
|
|---|
| 525 |
|
|---|
| 526 | void stdmkey(void)
|
|---|
| 527 | {
|
|---|
| 528 | if (astat) {
|
|---|
| 529 |
|
|---|
| 530 | runit = FALSE;
|
|---|
| 531 | submenu = FALSE;
|
|---|
| 532 | }
|
|---|
| 533 | }
|
|---|
| 534 |
|
|---|
| 535 | /*
|
|---|
| 536 | =============================================================================
|
|---|
| 537 | stddkey() - standard data key processing
|
|---|
| 538 | =============================================================================
|
|---|
| 539 | */
|
|---|
| 540 |
|
|---|
| 541 | void stddkey(int16_t k)
|
|---|
| 542 | {
|
|---|
| 543 | if (infield(stcrow, stccol, curfet)) {
|
|---|
| 544 |
|
|---|
| 545 | cfetp = infetp; /* set field pointer */
|
|---|
| 546 |
|
|---|
| 547 | if (astat) { /* only do action on closures */
|
|---|
| 548 |
|
|---|
| 549 | if (!ebflag)
|
|---|
| 550 | (*cfetp->ebto)(cfetp->ftags); /* setup ebuf */
|
|---|
| 551 |
|
|---|
| 552 | (*cfetp->datain)(cfetp->ftags, asig - 60); /* enter */
|
|---|
| 553 | }
|
|---|
| 554 |
|
|---|
| 555 | } else {
|
|---|
| 556 |
|
|---|
| 557 | if (astat)
|
|---|
| 558 | (*not_fld)(asig - 60); /* not in field */
|
|---|
| 559 | }
|
|---|
| 560 | }
|
|---|
| 561 |
|
|---|
| 562 | /* |
|---|
| 563 |
|
|---|
| 564 | */
|
|---|
| 565 |
|
|---|
| 566 | /*
|
|---|
| 567 | =============================================================================
|
|---|
| 568 | cxgen() -- standard cursor x update processing
|
|---|
| 569 | =============================================================================
|
|---|
| 570 | */
|
|---|
| 571 |
|
|---|
| 572 | void cxgen(void)
|
|---|
| 573 | {
|
|---|
| 574 | cxval += cxrate;
|
|---|
| 575 |
|
|---|
| 576 | if (cxval > CXMAX)
|
|---|
| 577 | cxval = CXMAX;
|
|---|
| 578 | else if (cxval < 0)
|
|---|
| 579 | cxval = 0;
|
|---|
| 580 |
|
|---|
| 581 | return;
|
|---|
| 582 | }
|
|---|
| 583 |
|
|---|
| 584 | /*
|
|---|
| 585 | =============================================================================
|
|---|
| 586 | cygen() -- standard cursor y update processing
|
|---|
| 587 | =============================================================================
|
|---|
| 588 | */
|
|---|
| 589 |
|
|---|
| 590 | void cygen(void)
|
|---|
| 591 | {
|
|---|
| 592 | cyval += cyrate;
|
|---|
| 593 |
|
|---|
| 594 | if (cyval > CYMAX)
|
|---|
| 595 | cyval = CYMAX;
|
|---|
| 596 | else if (cyval < 0)
|
|---|
| 597 | cyval = 0;
|
|---|
| 598 |
|
|---|
| 599 | return;
|
|---|
| 600 | }
|
|---|
| 601 |
|
|---|
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