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app: add back helper features to output possible flags for GIMP_DEBUG. 

Since commit a427213fb8, the special glib value "help" does not work
anymore as a helper (listing the list of available flags).
This means that to use GIMP_DEBUG environment variable, one has to
either know them all by heart or check the app/gimp-log.c file.
This commit still leaves "help" as a normal flag for GIMP_LOG_HELP
domain in GIMP, but creates instead "list-all" as the new helper value.

Moreover as a fallback, setting a random value to GIMP_DEBUG with no
valid flags in it will also output the list of available flags. This
way, one doesn't even have to remember a specific string to obtain the
list.
This commit is contained in:
Jehan 2017-12-23 20:00:53 +01:00
parent b84874a798
commit 6bd43d73d8
1 changed files with 20 additions and 3 deletions
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23
app/gimp-log.c
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@ -66,9 +66,14 @@ gimp_log_init (void)
if (env_log_val)
{
/* g_parse_debug_string() has special treatment of the string 'help',
* but we want to use it for the GIMP_LOG_HELP domain
* but we want to use it for the GIMP_LOG_HELP domain. "list-all"
* is a replacement for "help" in GIMP.
*/
if (g_ascii_strcasecmp (env_log_val, "help") == 0)
if (g_ascii_strcasecmp (env_log_val, "list-all") == 0)
gimp_log_flags = g_parse_debug_string ("help",
log_keys,
G_N_ELEMENTS (log_keys));
else if (g_ascii_strcasecmp (env_log_val, "help") == 0)
gimp_log_flags = GIMP_LOG_HELP;
else
gimp_log_flags = g_parse_debug_string (env_log_val,
@ -76,7 +81,19 @@ gimp_log_init (void)
G_N_ELEMENTS (log_keys));
if (gimp_log_flags & GIMP_LOG_INSTANCES)
gimp_debug_enable_instances ();
{
gimp_debug_enable_instances ();
}
else if (! gimp_log_flags)
{
/* If the environment variable was set but no log flags are
* set as a result, let's assume one is not sure how to use
* the log flags and output the list of keys as a helper.
*/
gimp_log_flags = g_parse_debug_string ("help",
log_keys,
G_N_ELEMENTS (log_keys));
}
}
}