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* add mu_util_color_print for printing color (ANSI) to console

This commit is contained in:
Dirk-Jan C. Binnema 2011-05-25 21:59:34 +03:00
parent 4e904d7c73
commit bc8c1a0289
2 changed files with 58 additions and 0 deletions
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37
src/mu-util.c
View File

@ -145,6 +145,43 @@ mu_util_cache_dir (void)
}
void
mu_util_color_print (MuColor col, const char *str)
{
const char *pfx;
const char *reset = "\x1b[0m";
static int is_tty = -1;
if (!str)
return;
if (is_tty == -1)
is_tty = isatty(fileno(stdout)) ? 1 : 0;
switch (col) {
case MU_COLOR_RED : pfx = "\x1b[31m"; break;
case MU_COLOR_GREEN : pfx = "\x1b[32m"; break;
case MU_COLOR_YELLOW : pfx = "\x1b[33m"; break;
case MU_COLOR_BLUE : pfx = "\x1b[34m"; break;
case MU_COLOR_MAGENTA : pfx = "\x1b[35m"; break;
case MU_COLOR_CYAN : pfx = "\x1b[36m"; break;
default:
g_critical ("invalid color %u", (unsigned)col);
return;
}
if (is_tty)
fputs (pfx, stdout);
fputs (str, stdout);
if (is_tty)
fputs (reset, stdout);
}
gboolean
mu_util_init_system (void)
{

21
src/mu-util.h
View File

@ -105,6 +105,27 @@ gboolean mu_util_check_dir (const gchar* path, gboolean readable,
const char* mu_util_cache_dir (void) G_GNUC_CONST;
enum _MuColor {
MU_COLOR_RED = 0,
MU_COLOR_GREEN,
MU_COLOR_YELLOW,
MU_COLOR_BLUE,
MU_COLOR_MAGENTA,
MU_COLOR_CYAN
};
typedef enum _MuColor MuColor;
/**
* print string to stdout in a certain color if the output is to a
* sufficiently capable tty; otherwise, just print the string. Color
* will *only* be printed if stdout actually is a tty.
*
* @param col a MuColor
* @param str a string, or NULL
*/
void mu_util_color_print (MuColor col, const char *str);
/**
* create a writeable file and return its file descriptor (which
* you'll need to close(2) when done with it.)