162 lines
3.3 KiB
C
162 lines
3.3 KiB
C
/* Turbo C - (C) Copyright 1987 by Borland International */
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#define MAIN
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#include <string.h>
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#include <alloc.h>
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#include <stdarg.h>
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#include "mcalc.h"
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CELLPTR cell[MAXCOLS][MAXROWS], curcell;
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unsigned char format[MAXCOLS][MAXROWS];
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unsigned char colwidth[MAXCOLS];
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unsigned char colstart[SCREENCOLS];
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int leftcol, rightcol, toprow, bottomrow, curcol, currow, lastcol, lastrow;
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char changed = FALSE;
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char formdisplay = FALSE;
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char autocalc = TRUE;
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char stop = FALSE;
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char colortable[128];
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char colorcard;
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char snow;
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char far *displayptr;
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long memleft;
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void run()
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/* The main program loop */
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{
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int input;
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do
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{
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displaycell(curcol, currow, HIGHLIGHT, NOUPDATE);
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curcell = cell[curcol][currow];
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showcelltype();
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input = getkey();
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switch(input)
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{
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case '/' :
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mainmenu();
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break;
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case '!' :
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recalc();
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break;
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case F2 :
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editcell(curcell);
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break;
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case DELKEY :
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deletecell(curcol, currow, UPDATE);
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printfreemem();
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if (autocalc)
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recalc();
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break;
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case PGUPKEY :
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toprow -= 20;
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currow -= 20;
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if (currow < 0)
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currow = toprow = 0;
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else if (toprow < 0)
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{
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currow -= toprow;
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toprow = 0;
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}
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setbottomrow();
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displayscreen(NOUPDATE);
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break;
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case PGDNKEY :
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toprow += 20;
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currow += 20;
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if ((currow >= MAXROWS) && (toprow >= MAXROWS))
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{
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currow = MAXROWS - 1;
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toprow = MAXROWS - 20;
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}
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else if (toprow > (MAXROWS - 20))
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{
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currow -= (toprow + 20 - MAXROWS);
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toprow = MAXROWS - 20;
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}
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setbottomrow();
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displayscreen(NOUPDATE);
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break;
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case CTRLLEFTKEY :
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displaycell(curcol, currow, NOHIGHLIGHT, NOUPDATE);
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if (leftcol == 0)
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curcol = 0;
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else
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{
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curcol = rightcol = leftcol - 1;
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setleftcol();
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setrightcol();
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displayscreen(NOUPDATE);
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}
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break;
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case CTRLRIGHTKEY :
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displaycell(curcol, currow, NOHIGHLIGHT, NOUPDATE);
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if (rightcol == MAXCOLS - 1)
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curcol = rightcol;
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else
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{
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curcol = leftcol = rightcol + 1;
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setrightcol();
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setleftcol();
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displayscreen(NOUPDATE);
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}
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break;
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case HOMEKEY :
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currow = curcol = leftcol = toprow = 0;
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setrightcol();
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setbottomrow();
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displayscreen(NOUPDATE);
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break;
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case ENDKEY :
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rightcol = curcol = lastcol;
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currow = bottomrow = lastrow;
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settoprow();
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setleftcol();
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setrightcol();
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displayscreen(NOUPDATE);
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break;
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case UPKEY :
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moverowup();
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break;
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case DOWNKEY :
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moverowdown();
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break;
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case LEFTKEY :
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movecolleft();
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break;
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case RIGHTKEY :
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movecolright();
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break;
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default :
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if ((input >= ' ') && (input <= '~'))
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getinput(input);
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break;
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} /* switch */
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}
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while (!stop);
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} /* run */
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main(int argc, char *argv[])
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{
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initdisplay();
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clrscr();
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writef((80 - strlen(MSGHEADER)) >> 1, 10, MSGHEADERCOLOR, strlen(MSGHEADER),
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MSGHEADER);
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writef((80 - strlen(MSGKEYPRESS)) >> 1, 12, PROMPTCOLOR,
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strlen(MSGKEYPRESS), MSGKEYPRESS);
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gotoxy(79, 24);
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getkey();
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clrscr();
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initvars();
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memleft = memsize;
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redrawscreen();
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if (argc > 1)
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loadsheet(argv[1]);
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clearinput();
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run();
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clrscr();
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gotoxy(0, 0);
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}
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