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vim-patch:9.0.0316: screen flickers when 'cmdheight' is zero (#19991)

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Problem:    Screen flickers when 'cmdheight' is zero.
Solution:   Redraw over existing text instead of clearing.
f73e5ba56f
This commit is contained in:
zeertzjq 2022-08-29 20:22:15 +08:00 committed by GitHub
parent e6af1cf250
commit 92bc11a891
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 27 additions and 25 deletions
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6
src/nvim/drawscreen.c
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@ -469,9 +469,10 @@ int update_screen(int type)
} }
msg_grid_set_pos(Rows - (int)p_ch, false); msg_grid_set_pos(Rows - (int)p_ch, false);
msg_grid_invalid = false; msg_grid_invalid = false;
} else if (msg_scrolled > Rows - 5) { // clearing is faster
type = UPD_CLEAR;
} else if (type != UPD_CLEAR) { } else if (type != UPD_CLEAR) {
if (msg_scrolled > Rows - 5) { // redrawing is faster
type = UPD_NOT_VALID;
} else {
check_for_delay(false); check_for_delay(false);
grid_ins_lines(&default_grid, 0, msg_scrolled, Rows, 0, Columns); grid_ins_lines(&default_grid, 0, msg_scrolled, Rows, 0, Columns);
FOR_ALL_WINDOWS_IN_TAB(wp, curtab) { FOR_ALL_WINDOWS_IN_TAB(wp, curtab) {
@ -499,6 +500,7 @@ int update_screen(int type)
redraw_cmdline = true; redraw_cmdline = true;
redraw_tabline = true; redraw_tabline = true;
} }
}
msg_scrolled = 0; msg_scrolled = 0;
msg_scrolled_at_flush = 0; msg_scrolled_at_flush = 0;
need_wait_return = false; need_wait_return = false;

2
src/nvim/ex_getln.c
View File

@ -918,7 +918,7 @@ theend:
// Restore cmdheight // Restore cmdheight
set_option_value("ch", 0L, NULL, 0); set_option_value("ch", 0L, NULL, 0);
// Redraw is needed for command line completion // Redraw is needed for command line completion
redraw_all_later(UPD_CLEAR); redraw_all_later(UPD_NOT_VALID);
made_cmdheight_nonzero = false; made_cmdheight_nonzero = false;
} }