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support colons in SGR character attributes - st - simple terminal |
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git clone git://git.suckless.org/st |
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--- |
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commit 5dbcca49263be094fc38159c297458ae323ef647 |
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parent d63b9eb90245926b531bd54b1d591adb96613e70 |
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Author: Hiltjo Posthuma <[email protected]> |
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Date: Wed, 1 May 2024 20:45:39 +0200 |
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support colons in SGR character attributes |
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Patch by Mikhail Kot <[email protected]> |
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With some modifications to behave more like xterm (see note below). |
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Example: |
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printf '\033[48;2;255:0:0mtest\n' |
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https://invisible-island.net/xterm/ctlseqs/ctlseqs.html |
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Some notes: |
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"CSI Pm m Character Attributes (SGR). |
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[...] |
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o xterm allows either colons (standard) or semicolons |
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(legacy) to separate the subparameters (but after the |
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first colon, colons must be used). |
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Diffstat: |
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M st.c | 5 ++++- |
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1 file changed, 4 insertions(+), 1 deletion(-) |
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--- |
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diff --git a/st.c b/st.c |
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@@ -1132,6 +1132,7 @@ csiparse(void) |
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{ |
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char *p = csiescseq.buf, *np; |
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long int v; |
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+ int sep = ';'; /* colon or semi-colon, but not both */ |
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csiescseq.narg = 0; |
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if (*p == '?') { |
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@@ -1149,7 +1150,9 @@ csiparse(void) |
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v = -1; |
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csiescseq.arg[csiescseq.narg++] = v; |
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p = np; |
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- if (*p != ';' || csiescseq.narg == ESC_ARG_SIZ) |
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+ if (sep == ';' && *p == ':') |
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+ sep = ':'; /* allow override to colon once */ |
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+ if (*p != sep || csiescseq.narg == ESC_ARG_SIZ) |
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break; |
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p++; |
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} |
