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(fast_find_position): Special case if POS is end of buffer.

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Richard M. Stallman 1994-11-01 00:07:34 +00:00
parent 163638a8a9
commit 77b686467c
1 changed files with 17 additions and 0 deletions
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17
src/xterm.c
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@ -2018,6 +2018,7 @@ fast_find_position (window, pos, columnp, rowp)
int width = window_internal_width (w);
int *charstarts;
int lastcol;
int maybe_next_line = 0;
/* Find the right row. */
for (i = 0;
@ -2027,6 +2028,13 @@ fast_find_position (window, pos, columnp, rowp)
int linestart = FRAME_CURRENT_GLYPHS (f)->charstarts[top + i][left];
if (linestart > pos)
break;
/* If the position sought is the end of the buffer,
don't include the blank lines at the bottom of the window. */
if (linestart == pos && pos == BUF_ZV (XBUFFER (w->buffer)))
{
maybe_next_line = 1;
break;
}
if (linestart > 0)
row = i;
}
@ -2048,6 +2056,15 @@ fast_find_position (window, pos, columnp, rowp)
lastcol = left + i;
}
/* If we're looking for the end of the buffer,
and we didn't find it in the line we scanned,
use the start of the following line. */
if (maybe_next_line)
{
row++;
i = 0;
}
*rowp = row + top;
*columnp = lastcol;
return 0;