void displayscreen(int updating)
/* Displays the current screen of the spreadsheet */
{
int row;
for (row = toprow; row <= bottomrow; row++)
displayrow(row, updating);
clearlastcol();
} /* displayscreen */
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 insertrow(int row)
/* Inserts a row */
{
int counter, rowc;
if (lastrow == MAXROWS - 1)
{
for (counter = 0; counter <= lastcol; counter++)
deletecell(counter, lastrow, NOUPDATE);
printfreemem();
}
if (row != MAXROWS - 1)
{
for (counter = 0; counter < MAXCOLS; counter++)
{
movmem(&cell[counter][row], &cell[counter][row + 1],
sizeof(CELLPTR) * (MAXROWS - row - 1));
movmem(&format[counter][row], &format[counter][row + 1], MAXROWS - row - 1);
}
}
for (counter = 0; counter < MAXCOLS; counter++)
{
cell[counter][row] = NULL;
format[counter][row] = DEFAULTFORMAT;
}
lastrow = MAXROWS - 1;
setlastrow();
for (counter = 0; counter <= lastcol; counter++)
{
for (rowc = 0; rowc <= lastrow; rowc++)
{
if ((cell[counter][rowc] != NULL) &&
(cell[counter][rowc]->attrib == FORMULA))
fixformula(counter, rowc, ROWADD, row);
}
}
while (row <= bottomrow)
displayrow(row++, NOUPDATE);
changed = TRUE;
recalc();
} /* insertrow */
void deleterow(int row)
/* Deletes a row */
{
int counter, rowc;
for (counter = 0; counter <= lastcol; counter++)
deletecell(counter, row, NOUPDATE);
printfreemem();
if (row != MAXROWS - 1)
{
for (counter = 0; counter < MAXCOLS; counter++)
{
movmem(&cell[counter][row + 1], &cell[counter][row],
sizeof(CELLPTR) * (MAXROWS - row - 1));
movmem(&format[counter][row + 1], &format[counter][row], MAXROWS - row - 1);
}
}
else
{
for (counter = 0; counter <= lastcol; counter++)
{
cell[counter][MAXROWS - 1] = NULL;
format[counter][MAXROWS - 1] = DEFAULTFORMAT;
}
}
if ((lastrow >= row) && (lastrow > 0))
lastrow--;
for (counter = 0; counter <= lastcol; counter++)
{
for (rowc = 0; rowc <= lastrow; rowc++)
{
if ((cell[counter][rowc] != NULL) &&
(cell[counter][rowc]->attrib == FORMULA))
fixformula(counter, rowc, ROWDEL, row);
}
}
while (row <= bottomrow)
displayrow(row++, NOUPDATE);
changed = TRUE;
recalc();
} /* deleterow */
