void redrawscreen(void)
/* Displays the entire screen */
{
setrightcol();
setbottomrow();
writef(1, 1, MSGMEMORYCOLOR, strlen(MSGMEMORY), MSGMEMORY);
writef(29, 1, PROMPTCOLOR, strlen(MSGCOMMAND), MSGCOMMAND);
changeautocalc(autocalc);
changeformdisplay(formdisplay);
printfreemem();
displayscreen(NOUPDATE);
} /* redrawscreen */
void gotocell()
/* Moves to a selected cell */
{
writeprompt(MSGGOTO);
if (!getcell(&curcol, &currow))
return;
leftcol = curcol;
toprow = currow;
setbottomrow();
setrightcol();
setleftcol();
displayscreen(NOUPDATE);
} /* gotocell */
void moverowup(void)
/* Moves up 1 row */
{
displaycell(curcol, currow, NOHIGHLIGHT, NOUPDATE);
if (currow > toprow)
currow--;
else if (toprow != 0)
{
scroll(DOWN, 1, LEFTMARGIN + 1, 3, 80, SCREENROWS + 2, WHITE);
displayrow(--toprow, NOUPDATE);
currow--;
setbottomrow();
}
} /* moverowup */
void moverowdown(void)
/* Moves down one row */
{
displaycell(curcol, currow, NOHIGHLIGHT, NOUPDATE);
if (currow < bottomrow)
currow++;
else if (bottomrow < (MAXROWS - 1))
{
scroll(UP, 1, LEFTMARGIN + 1, 3, 80, SCREENROWS + 2, WHITE);
toprow++;
currow++;
setbottomrow();
displayrow(bottomrow, NOUPDATE);
}
} /* moverowdown */
void clearsheet(void)
/* Clears the current spreadsheet */
{
int col, row;
for (row = 0; row <= lastrow; row++)
{
for (col = 0; col <= lastcol; col++)
deletecell(col, row, NOUPDATE);
}
initvars();
setrightcol();
setbottomrow();
displayscreen(NOUPDATE);
printfreemem();
changed = FALSE;
} /* clearsheet */
