www.pudn.com > linuxcici1.rar > MCALC.C

/* Turbo C - (C) Copyright 1987,1988 by Borland International */ 
 
#define MAIN 
 
#include  
#include  
#include  
#include  
#include  
#include "mcalc.h" 
 
CELLPTR cell[MAXCOLS][MAXROWS], curcell; 
unsigned char format[MAXCOLS][MAXROWS]; 
unsigned char colwidth[MAXCOLS]; 
unsigned char colstart[SCREENCOLS]; 
int leftcol, rightcol, toprow, bottomrow, curcol, currow, lastcol, lastrow; 
char changed = FALSE; 
char formdisplay = FALSE; 
char autocalc = TRUE; 
char stop = FALSE; 
char colortable[128]; 
char colorcard; 
char snow; 
char far *displayptr; 
long memleft; 
unsigned int oldcursor, shortcursor, tallcursor, nocursor = 0x2000; 
 
void run() 
/* The main program loop */ 
{ 
 int input; 
 
 do 
 { 
  displaycell(curcol, currow, HIGHLIGHT, NOUPDATE); 
  curcell = cell[curcol][currow]; 
  showcelltype(); 
  input = getkey(); 
  switch(input) 
  { 
   case '/' : 
    mainmenu(); 
    break; 
   case F1 : 
    recalc(); 
    break; 
   case F2 : 
    editcell(curcell); 
    break; 
   case DELKEY : 
    deletecell(curcol, currow, UPDATE); 
    printfreemem(); 
    if (autocalc) 
     recalc(); 
    break; 
   case PGUPKEY : 
    toprow -= 20; 
    currow -= 20; 
    if (currow < 0) 
     currow = toprow = 0; 
    else if (toprow < 0) 
    { 
     currow -= toprow; 
     toprow = 0; 
    } 
    setbottomrow(); 
    displayscreen(NOUPDATE); 
    break; 
   case PGDNKEY : 
    toprow += 20; 
    currow += 20; 
    if ((currow >= MAXROWS) && (toprow >= MAXROWS)) 
    { 
     currow = MAXROWS - 1; 
     toprow = MAXROWS - 20; 
    } 
    else if (toprow > (MAXROWS - 20)) 
    { 
     currow -= (toprow + 20 - MAXROWS); 
     toprow = MAXROWS - 20; 
    } 
    setbottomrow(); 
    displayscreen(NOUPDATE); 
    break; 
   case CTRLLEFTKEY : 
    displaycell(curcol, currow, NOHIGHLIGHT, NOUPDATE); 
    if (leftcol == 0) 
     curcol = 0; 
    else 
    { 
     curcol = rightcol = leftcol - 1; 
     setleftcol(); 
     setrightcol(); 
     displayscreen(NOUPDATE); 
    } 
    break; 
   case CTRLRIGHTKEY : 
    displaycell(curcol, currow, NOHIGHLIGHT, NOUPDATE); 
    if (rightcol == MAXCOLS - 1) 
     curcol = rightcol; 
    else 
    { 
     curcol = leftcol = rightcol + 1; 
     setrightcol(); 
     setleftcol(); 
     displayscreen(NOUPDATE); 
    } 
    break; 
   case HOMEKEY : 
    currow = curcol = leftcol = toprow = 0; 
    setrightcol(); 
    setbottomrow(); 
    displayscreen(NOUPDATE); 
    break; 
   case ENDKEY : 
    rightcol = curcol = lastcol; 
    currow = bottomrow = lastrow; 
    settoprow(); 
    setleftcol(); 
    setrightcol(); 
    displayscreen(NOUPDATE); 
    break; 
   case UPKEY : 
    moverowup(); 
    break; 
   case DOWNKEY : 
    moverowdown(); 
    break; 
   case LEFTKEY : 
    movecolleft(); 
    break; 
   case RIGHTKEY : 
    movecolright(); 
    break; 
   default : 
    if ((input >= ' ') && (input <= '~')) 
     getinput(input); 
    break; 
  } /* switch */ 
 } 
 while (!stop); 
} /* run */ 
 
void main(int argc, char *argv[]) 
{ 
 window(1, 1, 80, 25); 
 initcursor(); 
 initcolortable(); 
 setcursor(nocursor); 
 setcolor(WHITE); 
 clrscr(); 
 writef((80 - strlen(MSGHEADER)) >> 1, 11, MSGHEADERCOLOR, strlen(MSGHEADER), 
        MSGHEADER); 
 writef((80 - strlen(MSGKEYPRESS)) >> 1, 13, PROMPTCOLOR, 
        strlen(MSGKEYPRESS), MSGKEYPRESS); 
 gotoxy(80, 25); 
 getkey(); 
 setcolor(WHITE); 
 clrscr(); 
 initvars(); 
 memleft = memsize; 
 redrawscreen(); 
 if (argc > 1) 
  loadsheet(argv[1]); 
 clearinput(); 
 run(); 
 setcolor(LIGHTGRAY); 
 clrscr(); 
 setcursor(oldcursor); 
}