Patch 9.0.0316
Problem: Screen flickers when 'cmdheight' is zero.
Solution: Redraw over existing text instead of clearing.
Files: src/drawscreen.c, src/ex_getln.c
*** ../vim-9.0.0315/src/drawscreen.c 2022-08-28 23:36:46.991446894 +0100
--- src/drawscreen.c 2022-08-29 12:36:47.532268366 +0100
***************
*** 170,207 ****
if (msg_scrolled)
{
clear_cmdline = TRUE;
! if (msg_scrolled > Rows - 5) // clearing is faster
! type = UPD_CLEAR;
! else if (type != UPD_CLEAR)
{
! check_for_delay(FALSE);
! if (screen_ins_lines(0, 0, msg_scrolled, (int)Rows, 0, NULL)
! == FAIL)
! type = UPD_CLEAR;
! FOR_ALL_WINDOWS(wp)
{
! if (wp->w_winrow < msg_scrolled)
{
! if (W_WINROW(wp) + wp->w_height > msg_scrolled
! && wp->w_redr_type < UPD_REDRAW_TOP
! && wp->w_lines_valid > 0
! && wp->w_topline == wp->w_lines[0].wl_lnum)
! {
! wp->w_upd_rows = msg_scrolled - W_WINROW(wp);
! wp->w_redr_type = UPD_REDRAW_TOP;
! }
! else
{
! wp->w_redr_type = UPD_NOT_VALID;
! if (W_WINROW(wp) + wp->w_height + wp->w_status_height
! <= msg_scrolled)
! wp->w_redr_status = TRUE;
}
}
}
- if (!no_update)
- redraw_cmdline = TRUE;
- redraw_tabline = TRUE;
}
msg_scrolled = 0;
need_wait_return = FALSE;
--- 170,210 ----
if (msg_scrolled)
{
clear_cmdline = TRUE;
! if (type != UPD_CLEAR)
{
! if (msg_scrolled > Rows - 5) // redrawing is faster
! type = UPD_NOT_VALID;
! else
{
! check_for_delay(FALSE);
! if (screen_ins_lines(0, 0, msg_scrolled, (int)Rows, 0, NULL)
! == FAIL)
! type = UPD_NOT_VALID;
! FOR_ALL_WINDOWS(wp)
{
! if (wp->w_winrow < msg_scrolled)
{
! if (W_WINROW(wp) + wp->w_height > msg_scrolled
! && wp->w_redr_type < UPD_REDRAW_TOP
! && wp->w_lines_valid > 0
! && wp->w_topline == wp->w_lines[0].wl_lnum)
! {
! wp->w_upd_rows = msg_scrolled - W_WINROW(wp);
! wp->w_redr_type = UPD_REDRAW_TOP;
! }
! else
! {
! wp->w_redr_type = UPD_NOT_VALID;
! if (W_WINROW(wp) + wp->w_height
! + wp->w_status_height <= msg_scrolled)
! wp->w_redr_status = TRUE;
! }
}
}
+ if (!no_update)
+ redraw_cmdline = TRUE;
+ redraw_tabline = TRUE;
}
}
msg_scrolled = 0;
need_wait_return = FALSE;
*** ../vim-9.0.0315/src/ex_getln.c 2022-08-28 17:24:59.771549204 +0100
--- src/ex_getln.c 2022-08-29 12:30:47.640865460 +0100
***************
*** 2582,2588 ****
made_cmdheight_nonzero = TRUE;
set_option_value((char_u *)"ch", 0L, NULL, 0);
// Redraw is needed for command line completion
! redraw_all_later(UPD_CLEAR);
made_cmdheight_nonzero = FALSE;
}
--- 2582,2588 ----
made_cmdheight_nonzero = TRUE;
set_option_value((char_u *)"ch", 0L, NULL, 0);
// Redraw is needed for command line completion
! redraw_all_later(UPD_NOT_VALID);
made_cmdheight_nonzero = FALSE;
}
*** ../vim-9.0.0315/src/version.c 2022-08-29 12:23:32.941653371 +0100
--- src/version.c 2022-08-29 12:38:37.244906419 +0100
***************
*** 709,710 ****
--- 709,712 ----
{ /* Add new patch number below this line */
+ /**/
+ 316,
/**/
--
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obtained. (Imagine sending an email to Bill Gates, asking why Windows
crashed, and how to fix it... and then getting an answer that fixed the
problem... <0>_<0> !) -- Mark Langdon
/// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net \\\
/// \\\
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