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patch 9.1.0019: cmdline may disappear when changing 'cmdheight'

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Problem:  cmdline may disappear when changing 'cmdheight'
          (after Patch 9.0.0190, @markonm)
Solution: always re-calculate the old_p_ch value, not only
          when cmdline_row was higher than expected

fixes: #13822
closes: #13826

Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Christian Brabandt
2024-01-12 17:34:40 +01:00
parent b52600d561
commit 8610f74382
3 changed files with 19 additions and 4 deletions
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8
src/window.c
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@@ -7131,17 +7131,17 @@ command_height(void)
// If the space for the command line is already more than 'cmdheight' there
// is nothing to do (window size must have decreased).
// Note: this makes curtab->tp_ch_used unreliable
if (p_ch > old_p_ch && cmdline_row <= Rows - p_ch)
return;
// Update cmdline_row to what it should be: just below the last window.
cmdline_row = topframe->fr_height + tabline_height();
// If cmdline_row is smaller than what it is supposed to be for 'cmdheight'
// then set old_p_ch to what it would be, so that the windows get resized
// old_p_ch may be unreliable, because of the early return above, so
// set old_p_ch to what it would be, so that the windows get resized
// properly for the new value.
if (cmdline_row < Rows - p_ch)
old_p_ch = Rows - cmdline_row;
old_p_ch = Rows - cmdline_row;
// Find bottom frame with width of screen.
frp = lastwin->w_frame;