[f40a309] | 1 | /*
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| 2 | =============================================================================
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| 3 | ctcpos.c -- character text cursor positioning
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| 4 | Version 12 -- 1989-11-15 -- D.N. Lynx Crowe
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| 5 | =============================================================================
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| 6 | */
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| 7 |
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| 8 | #include "stddefs.h"
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| 9 | #include "graphdef.h"
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| 10 | #include "vsdd.h"
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| 11 | #include "hwdefs.h"
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| 12 | #include "macros.h"
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| 13 | #include "patch.h"
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| 14 |
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| 15 | #include "midas.h"
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| 16 |
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| 17 | short ctcsw; /* text cursor status */
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| 18 |
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| 19 | extern short CurLine; /* current patch display line */
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| 20 | extern short cxval, cyval; /* patch text cursor x, y */
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| 21 | extern short stcrow, stccol; /* patch text cursor row,col */
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| 22 | extern short vtcrow, vtccol; /* menu text cursor row,col */
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| 23 |
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| 24 | extern unsigned *obj9; /* patch cursor object pointer */
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| 25 | extern unsigned *obj11; /* menu cursor object pointer */
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| 26 |
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| 27 | short mtcoldc; /* previous cursor column location */
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| 28 | short mtcoldr; /* previous cursor row location */
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| 29 |
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| 30 | /* |
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| 31 |
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| 32 | */
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| 33 |
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| 34 | /*
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| 35 | =============================================================================
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| 36 | ctcpos() -- position the patch text cursor at ('row', 'col')
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| 37 | =============================================================================
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| 38 | */
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[0580615] | 39 |
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[f40a309] | 40 | void ctcpos(short row, short col)
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| 41 | {
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| 42 | register short nrow;
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| 43 |
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| 44 | if (ctcsw) {
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| 45 |
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| 46 | if (v_regs[5] & 0x0180) /* point at the control bank */
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| 47 | vbank(0);
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| 48 |
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| 49 | nrow = CurLine + 7;
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| 50 |
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| 51 | if (stcrow EQ DATAROW) /* turn off old cursor */
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| 52 | vclrav(obj9, nrow, stccol, C_ULINE, 48);
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| 53 |
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| 54 | if (row EQ DATAROW) /* turn on new cursor */
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| 55 | vsetav(obj9, nrow, col, C_ULINE, 48);
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| 56 | }
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| 57 |
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| 58 | stcrow = row; /* update cursor position */
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| 59 | stccol = col;
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| 60 | }
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| 61 |
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| 62 | /* |
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| 63 |
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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 | ctcoff() -- turn off the patch text cursor
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| 69 | =============================================================================
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[0580615] | 70 | */
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[f40a309] | 71 |
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| 72 | void ctcoff(void)
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| 73 | {
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| 74 | if (v_regs[5] & 0x0180) /* point at the control bank */
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| 75 | vbank(0);
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| 76 |
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| 77 | if (stcrow EQ DATAROW) /* turn off cursor */
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| 78 | vclrav(obj9, CurLine + 7, stccol, C_ULINE, 48);
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| 79 |
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| 80 | ctcsw = FALSE;
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| 81 | }
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| 82 |
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| 83 | /*
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| 84 | =============================================================================
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| 85 | ctcon() -- turn on the patch text cursor
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| 86 | =============================================================================
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[0580615] | 87 | */
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[f40a309] | 88 |
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| 89 | void ctcon(void)
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| 90 | {
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| 91 | if (v_regs[5] & 0x0180) /* point at the control bank */
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| 92 | vbank(0);
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| 93 |
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| 94 | if (stcrow EQ DATAROW) { /* turn on cursor */
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| 95 |
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| 96 | ctcsw = TRUE;
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| 97 | vsetav(obj9, CurLine + 7, stccol, C_ULINE, 48);
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| 98 | }
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| 99 | }
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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 | mtcpos() -- position the menu text cursor at ('row', 'col')
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[0580615] | 108 | =============================================================================
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[f40a309] | 109 | */
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| 110 |
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| 111 | void mtcpos(short row, short col)
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| 112 | {
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| 113 | if (v_regs[5] & 0x0180) /* point at the control bank */
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| 114 | vbank(0);
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| 115 |
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| 116 | if (inrange(mtcoldr, 19, 23)) { /* turn off old cursor */
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| 117 |
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| 118 | vclrav(obj11, mtcoldr - 18, mtcoldc, C_ULINE, 64);
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| 119 |
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| 120 | mtcoldr = 0; /* void old cursor location */
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| 121 | mtcoldc = 0;
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| 122 | }
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| 123 |
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| 124 | if (inrange(row, 19, 23)) { /* turn on new cursor */
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| 125 |
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| 126 | vsetav(obj11, row - 18, col, C_ULINE, 64);
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| 127 |
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| 128 | mtcoldr = row; /* keep track of new cursor */
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| 129 | mtcoldc = col;
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| 130 | }
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| 131 |
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| 132 | vtcrow = row; /* update cursor position */
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| 133 | vtccol = col;
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| 134 | }
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| 135 |
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| 136 | /*
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| 137 | =============================================================================
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| 138 | mtcoff() -- turn off the menu text cursor
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[0580615] | 139 | =============================================================================
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[f40a309] | 140 | */
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| 141 |
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| 142 | void mtcoff(void)
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| 143 | {
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| 144 | if (v_regs[5] & 0x0180) /* point at the control bank */
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| 145 | vbank(0);
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| 146 |
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| 147 | if (inrange(mtcoldr, 19, 23)) /* turn off cursor */
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| 148 | vclrav(obj11, mtcoldr - 18, mtcoldc, C_ULINE, 64);
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| 149 | }
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