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Add '-c, --color' option

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Allow user to select which ANSI color code to use to colorize the tio
text. To successfully set the color the color code must be in the range
0..255.

If color code is negative tio will print all available ANSI colors.

The default color is changed to bold white to make tio defaults usable
for most users, including color blind users.
This commit is contained in:
Martin Lund 2022-02-14 09:08:54 +01:00
parent 32e853e46e
commit 274cb63197
7 changed files with 55 additions and 16 deletions
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26
src/options.c
View file

@ -49,7 +49,8 @@ struct option_t option =
.timestamp = false,
.list_devices = false,
.log_filename = "",
.map = ""
.map = "",
.color = 15,
};
void print_help(char *argv[])
@ -69,6 +70,7 @@ void print_help(char *argv[])
printf(" -L, --list-devices List available serial devices\n");
printf(" -l, --log <filename> Log to file\n");
printf(" -m, --map <flags> Map special characters\n");
printf(" -c, --color <0..255> Colorize tio text (default: 15)\n");
printf(" -v, --version Display version\n");
printf(" -h, --help Display help\n");
printf("\n");
@ -120,6 +122,7 @@ void parse_options(int argc, char *argv[])
{"list-devices", no_argument, 0, 'L'},
{"log", required_argument, 0, 'l'},
{"map", required_argument, 0, 'm'},
{"color", required_argument, 0, 'c'},
{"version", no_argument, 0, 'v'},
{"help", no_argument, 0, 'h'},
{0, 0, 0, 0 }
@ -129,7 +132,7 @@ void parse_options(int argc, char *argv[])
int option_index = 0;
/* Parse argument using getopt_long */
c = getopt_long(argc, argv, "b:d:f:s:p:o:netLl:m:vh", long_options, &option_index);
c = getopt_long(argc, argv, "b:d:f:s:p:o:netLl:m:c:vh", long_options, &option_index);
/* Detect the end of the options */
if (c == -1)
@ -196,6 +199,25 @@ void parse_options(int argc, char *argv[])
option.map = optarg;
break;
case 'c':
option.color = string_to_long(optarg);
if (option.color > 255)
{
printf("Error: Invalid color code\n");
exit(EXIT_FAILURE);
}
if (option.color < 0)
{
// Print available color codes
printf("Available color codes:\n");
for (int i=0; i<=255; i++)
{
printf(" \e[1;38;5;%dmThis is color code %d\e[0m\n", i, i);
}
exit(EXIT_SUCCESS);
}
break;
case 'v':
printf("tio v%s\n", VERSION);
printf("Copyright (c) 2014-2022 Martin Lund\n");