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patch 8.1.1419: listener callbacks may be called recursively

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Problem:    Listener callbacks may be called recursively.
Solution:   Set "updating_screen" while listener callbacks are invoked.
This commit is contained in:
Bram Moolenaar
2019-05-29 22:28:29 +02:00
parent 868b7b6712
commit 68a4b04a8d
5 changed files with 27 additions and 7 deletions
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10
src/screen.c
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@@ -506,8 +506,12 @@ redrawWinline(
redraw_win_later(wp, VALID);
}
/*
* To be called when "updating_screen" was set before and now the postponed
* side effects may take place.
*/
void
reset_updating_screen(int may_resize_shell UNUSED)
after_updating_screen(int may_resize_shell UNUSED)
{
updating_screen = FALSE;
#ifdef FEAT_GUI
@@ -803,7 +807,7 @@ update_screen(int type_arg)
FOR_ALL_WINDOWS(wp)
wp->w_buffer->b_mod_set = FALSE;
reset_updating_screen(TRUE);
after_updating_screen(TRUE);
/* Clear or redraw the command line. Done last, because scrolling may
* mess up the command line. */
@@ -886,7 +890,7 @@ update_finish(void)
end_search_hl();
# endif
reset_updating_screen(TRUE);
after_updating_screen(TRUE);
# ifdef FEAT_GUI
/* Redraw the cursor and update the scrollbars when all screen updating is