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49 lines
1.7 KiB
Diff
49 lines
1.7 KiB
Diff
From 1080661abe54eb51480a960949309d99f3d3f88d Mon Sep 17 00:00:00 2001
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From: bakkeby <bakkeby@gmail.com>
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Date: Wed, 12 May 2021 09:13:47 +0200
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Subject: [PATCH] Make st interpret cursor 0 as the default cursor.
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According to the specification the "Set cursor style
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(DECSCUSR), VT520." escape sequences define both values of 0 and 1 as a blinking block,
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with 1 being the default.
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Refer to:
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https://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h4-Functions-using-CSI-_-ordered-by-the-final-character-lparen-s-rparen:CSI-Ps-SP-q.1D81
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This patch allows the default cursor to be set when value 0 is used, as opposed to
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setting the cursor to a blinking block.
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This allows a command like this to restore the cursor to what st is configured with:
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$ echo -ne "\e[ q"
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While many terminal emulators do this it is not adhering to specification. xterm is an
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example terminal that sets a blinking block instead of the configured one, same as st.
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Example use case is changing cursor shape in vim depending on what mode is used:
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https://vim.fandom.com/wiki/Change_cursor_shape_in_different_modes
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https://askubuntu.com/questions/42663/how-to-make-cursor-change-from-thin-line-to-block-based-on-normal-or-insert-mode
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The alternative in this case would be to explicitly set the cursor back to what you expect
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it to be (underline, bar) in the vim configuration.
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---
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x.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/x.c b/x.c
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index aa09997..f569bb1 100644
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--- a/x.c
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+++ b/x.c
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@@ -1739,7 +1739,7 @@ xsetcursor(int cursor)
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{
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if (!BETWEEN(cursor, 0, 7)) /* 7: st extension */
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return 1;
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- win.cursor = cursor;
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+ win.cursor = (cursor ? cursor : cursorshape);
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return 0;
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}
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--
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2.41.0
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