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annotate READMEdir/README_unix.txt @ 32876:522f16e3e058 v9.0.1747

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patch 9.0.1747: screenpos() may cause unnecessary redraw Commit: https://github.com/vim/vim/commit/6235a109c48ff2559eca3b16578c429ffb61eadc Author: zeertzjq <zeertzjq@outlook.com> Date: Sat Aug 19 14:12:42 2023 +0200 patch 9.0.1747: screenpos() may cause unnecessary redraw 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>
author Christian Brabandt <cb@256bit.org>
date Sat, 19 Aug 2023 14:30:02 +0200
parents f8116058ca76
children 4635e43f2c6f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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f8116058ca76 release version 9.0
Bram Moolenaar <Bram@vim.org>
parents: 18879
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1 README_unix.txt for version 9.0 of Vim: Vi IMproved.
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58e749232bd7 commit https://github.com/vim/vim/commit/818c9e7edfce339eff7cb357f2ec29a72afd1977
Christian Brabandt <cb@256bit.org>
parents:
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58e749232bd7 commit https://github.com/vim/vim/commit/818c9e7edfce339eff7cb357f2ec29a72afd1977
Christian Brabandt <cb@256bit.org>
parents:
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3 This file explains the installation of Vim on Unix systems.
58e749232bd7 commit https://github.com/vim/vim/commit/818c9e7edfce339eff7cb357f2ec29a72afd1977
Christian Brabandt <cb@256bit.org>
parents:
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4 See "README.txt" for general information about Vim.
58e749232bd7 commit https://github.com/vim/vim/commit/818c9e7edfce339eff7cb357f2ec29a72afd1977
Christian Brabandt <cb@256bit.org>
parents:
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58e749232bd7 commit https://github.com/vim/vim/commit/818c9e7edfce339eff7cb357f2ec29a72afd1977
Christian Brabandt <cb@256bit.org>
parents:
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58e749232bd7 commit https://github.com/vim/vim/commit/818c9e7edfce339eff7cb357f2ec29a72afd1977
Christian Brabandt <cb@256bit.org>
parents:
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7 When you use the source distribution, "make install" is used to install Vim.
58e749232bd7 commit https://github.com/vim/vim/commit/818c9e7edfce339eff7cb357f2ec29a72afd1977
Christian Brabandt <cb@256bit.org>
parents:
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8 See the "INSTALL" file in the "src" directory.
58e749232bd7 commit https://github.com/vim/vim/commit/818c9e7edfce339eff7cb357f2ec29a72afd1977
Christian Brabandt <cb@256bit.org>
parents:
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58e749232bd7 commit https://github.com/vim/vim/commit/818c9e7edfce339eff7cb357f2ec29a72afd1977
Christian Brabandt <cb@256bit.org>
parents:
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10 If you use a compiled package, follow the instructions for the package.