Problem: Things that temporarily change/restore curwin/buf (e.g:
win_execute, some autocmds) may break assumptions that
curwin/buf is the cmdwin when "cmdwin_type != 0", causing
issues.
Solution: Expose the cmdwin's real win/buf and check that instead. Also
try to ensure these variables are NULL if "cmdwin_type == 0",
allowing them to be used directly in most cases without
checking cmdwin_type. (Sean Dewar)
Alternatively, we could ban win_execute in the cmdwin and audit all places that
temporarily change/restore curwin/buf, but I didn't notice any problems arising
from allowing this (standard cmdwin restrictions still apply, so things that may
actually break the cmdwin are still forbidden).
closes: #12819
Signed-off-by: Sean Dewar <seandewar@users.noreply.github.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
Problem: screenpos() may cause unnecessary redraw.
Solution: Don't unnecessarily reset VALID_WROW flag.
VALID_WROW flag is only used by two functions: validate_cursor() and
cursor_valid(), and cursor_valid() is only used once in ex_sleep().
When adjust_plines_for_skipcol() was first added in patch 9.0.0640, it
was called in two functions: comp_botline() and curs_rows().
- comp_botline() is called in two places:
- onepage(), which resets VALID_WROW flag immediately afterwards.
- validate_botline_win(), where resetting a VALID_ flag is strange.
- curs_rows() is called in two places:
- curs_columns(), which sets VALID_WROW flag afterwards.
- validate_cline_row(), which is only used by GUI mouse focus.
Therefore resetting VALID_WROW there doesn't seem to do anything useful.
Also, a w_skipcol check (which resets VALID_WROW flag) was added to
check_cursor_moved() in patch 9.0.0734, which seems to make more sense
than resetting that flag in the middle of a computation.
While at it make adjust_plines_for_skipcol() and textpos2screenpos() a
bit less confusing:
- Make adjust_plines_for_skipcol() return "off" instead of "n - off".
- Use 0-based "row" in textpos2screenpos() until W_WINROW is added.
closes: #12832
Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: zeertzjq <zeertzjq@outlook.com>
Problem: screenpos() wrong result with w_skipcol and cpoptions+=n
Solution: Use adjust_plines_for_skipcol() instead of subtracting
w_skipcol.
closes: #12625
Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: zeertzjq <zeertzjq@outlook.com>
Problem: Weird use of static variables for spell checking.
Solution: Move the variables to a structure and pass them from win_update()
to win_line(). (Luuk van Baal, closes#12448)
Problem: SpellCap highlight not always updated when needed.
Solution: Handle updating line below closed fold and other situations where
only part of the window is redrawn. (Luuk van Baal, closes#12428,
closes#12420)
Problem: Handling 'statusline' errors is spread out.
Solution: Pass the option name to the lower levels so the option can be
reset there when an error is encountered. (Luuk van Baal,
closes#11467)
Problem: Multi-byte "lastline" item in 'fillchars' does not work properly
when the window is two columns wide.
Solution: Compute the text length correctly. (closes#11280)
Problem: Too many #ifdefs.
Solution: Graduate the +cmdwin feature. Now the tiny and small builds are
equal, drop the small build. (Martin Tournoij, closes#11268)
Problem: Cannot specify another character to use instead of '@' at the end
of the window.
Solution: Add "lastline" to 'fillchars'. (Martin Tournoij, closes#11264,
closes#10963)
Problem: When updating the whole screen a popup may not be redrawn.
Solution: Mark the screen and windows for redraw also when not clearing.
Also mark popup windows for redraw.
Problem: Mechanism to prevent recursive screen updating is incomplete.
Solution: Add "redraw_not_allowed" and set it in build_stl_str_hl().
(issue #10952)
Problem: Possible invalid memory access when 'cmdheight' is zero. (Martin
Tournoij)
Solution: Avoid going over the end of w_lines[] when w_height is Rows.
(closes#10882)
Problem: The command line takes up space even when not used.
Solution: Allow for 'cmdheight' to be set to zero. (Shougo Matsushita,
closes#10675, closes#940)
Problem: Syntax highlighting disabled when using synID() in searchpair()
skip expression and it times out. (Jaehwang Jung)
Solution: Add the redrawtime_limit_set flag. (closes#10562)
Problem: Redrawing too much when 'cursorline' is set and jumping around.
Solution: Rely on win_update() to redraw the current and previous cursor
line, do not mark lines as modified. (closes#9996)
Problem: A custom 'tabline' may cause Esc to work like Enter on the
command line when the popup menu is displayed.
Solution: Save and restore KeyTyped. (closes#9776)
Problem: A custom statusline may cause Esc to work like Enter on the
command line when the popup menu is displayed.
Solution: Save and restore KeyTyped. (closes#9749)
Problem: 'wildmenu' only shows few matches.
Solution: Add the "pum" option: use a popup menu to show the matches.
(Yegappan Lakshmanan et al., closes#9707)
