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(make_cursor_line_fully_visible): Handle case of rows

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taller than the window.
This commit is contained in:
Gerd Moellmann 2000-04-28 13:39:21 +00:00
parent 0badc11418
commit a943a5ca3e
2 changed files with 17 additions and 9 deletions
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5
src/ChangeLog
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@ -1,3 +1,8 @@
2000-04-28 Gerd Moellmann <gerd@gnu.org>
* xdisp.c (make_cursor_line_fully_visible): Handle case of rows
taller than the window.
2000-04-28 Kenichi Handa <handa@etl.go.jp>
* xfaces.c (realize_x_face): Fix the argument of the second

21
src/xdisp.c
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@ -8148,21 +8148,24 @@ make_cursor_line_fully_visible (w)
matrix = w->desired_matrix;
row = MATRIX_ROW (matrix, w->cursor.vpos);
/* If row->y == top y of window display area, the window isn't tall
enough to display a single line. There is nothing we can do
about it. */
header_line_height = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w);
if (row->y == header_line_height)
return;
if (MATRIX_ROW_PARTIALLY_VISIBLE_AT_TOP_P (w, row))
if (MATRIX_ROW_PARTIALLY_VISIBLE_AT_TOP_P (w, row)
/* The row may be partially visible at the top because we
already have chosen a vscroll to align the bottom of the
row with the bottom of the window. This happens for rows
taller than the window. */
&& row->y + row->height < window_box_height (w))
{
int dy = row->height - row->visible_height;
w->vscroll = 0;
w->cursor.y += dy;
shift_glyph_matrix (w, matrix, 0, matrix->nrows, dy);
}
else if (MATRIX_ROW_PARTIALLY_VISIBLE_AT_BOTTOM_P (w, row))
else if (MATRIX_ROW_PARTIALLY_VISIBLE_AT_BOTTOM_P (w, row)
/* The row may be partially visible at the bottom because
we chose a vscroll to align the row's top with the
window's top. This happens for rows taller than the
window. */
&& row->y > WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w))
{
int dy = - (row->height - row->visible_height);
w->vscroll = dy;