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patch 8.0.0748: running Vim in terminal window doesn't use the right colors

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Problem:    When running Vim in a terminal window it does not detect the right
            number of colors available.
Solution:   Detect the version string that libvterm returns.  Pass the number
            of colors in $COLORS.
This commit is contained in:
Bram Moolenaar
2017-07-22 20:33:05 +02:00
parent e173fd0972
commit b7a8dfeb49
3 changed files with 72 additions and 33 deletions
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10
src/os_unix.c
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@@ -4063,7 +4063,13 @@ set_child_environment(long rows, long columns, char *term)
static char envbuf_Rows[20];
static char envbuf_Lines[20];
static char envbuf_Columns[20];
static char envbuf_Colors[20];
# endif
long colors =
# ifdef FEAT_GUI
gui.in_use ? 256*256*256 :
# endif
t_colors;
/* Simulate to have a dumb terminal (for now) */
# ifdef HAVE_SETENV
@@ -4074,6 +4080,8 @@ set_child_environment(long rows, long columns, char *term)
setenv("LINES", (char *)envbuf, 1);
sprintf((char *)envbuf, "%ld", columns);
setenv("COLUMNS", (char *)envbuf, 1);
sprintf((char *)envbuf, "%ld", colors);
setenv("COLORS", (char *)envbuf, 1);
# else
/*
* Putenv does not copy the string, it has to remain valid.
@@ -4088,6 +4096,8 @@ set_child_environment(long rows, long columns, char *term)
vim_snprintf(envbuf_Columns, sizeof(envbuf_Columns),
"COLUMNS=%ld", columns);
putenv(envbuf_Columns);
vim_snprintf(envbuf_Colors, sizeof(envbuf_Colors), "COLORS=%ld", colors);
putenv(envbuf_Colors);
# endif
}