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Fix redisplay after a large insertion

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* src/xdisp.c (redisplay_internal): Don't accept the results of
"optimization 3" if the cursor ends up in a partially visible
glyph row.  (Bug22637)
This commit is contained in:
Eli Zaretskii 2016-02-12 21:38:44 +02:00
parent 85a2753d96
commit d82f24ba85
1 changed files with 9 additions and 3 deletions
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12
src/xdisp.c
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@ -825,6 +825,7 @@ static Lisp_Object redisplay_window_1 (Lisp_Object);
static bool set_cursor_from_row (struct window *, struct glyph_row *,
struct glyph_matrix *, ptrdiff_t, ptrdiff_t,
int, int);
static bool cursor_row_fully_visible_p (struct window *, bool, bool);
static bool update_menu_bar (struct frame *, bool, bool);
static bool try_window_reusing_current_matrix (struct window *);
static int try_window_id (struct window *);
@ -13881,11 +13882,16 @@ redisplay_internal (void)
eassert (this_line_vpos == it.vpos);
eassert (this_line_y == it.current_y);
set_cursor_from_row (w, row, w->current_matrix, 0, 0, 0, 0);
if (cursor_row_fully_visible_p (w, false, true))
{
#ifdef GLYPH_DEBUG
*w->desired_matrix->method = 0;
debug_method_add (w, "optimization 3");
*w->desired_matrix->method = 0;
debug_method_add (w, "optimization 3");
#endif
goto update;
goto update;
}
else
goto cancel;
}
else
goto cancel;