PIKApp/app/pika-log.c

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2023-09-26 00:35:21 +02:00
/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "glib-object.h"
#include "pika-debug.h"
#include "pika-log.h"
static const GDebugKey log_keys[] =
{
{ "tool-events", PIKA_LOG_TOOL_EVENTS },
{ "tool-focus", PIKA_LOG_TOOL_FOCUS },
{ "dnd", PIKA_LOG_DND },
{ "help", PIKA_LOG_HELP },
{ "dialog-factory", PIKA_LOG_DIALOG_FACTORY },
{ "menus", PIKA_LOG_MENUS },
{ "save-dialog", PIKA_LOG_SAVE_DIALOG },
{ "image-scale", PIKA_LOG_IMAGE_SCALE },
{ "shadow-tiles", PIKA_LOG_SHADOW_TILES },
{ "scale", PIKA_LOG_SCALE },
{ "wm", PIKA_LOG_WM },
{ "floating-selection", PIKA_LOG_FLOATING_SELECTION },
{ "shm", PIKA_LOG_SHM },
{ "text-editing", PIKA_LOG_TEXT_EDITING },
{ "key-events", PIKA_LOG_KEY_EVENTS },
{ "auto-tab-style", PIKA_LOG_AUTO_TAB_STYLE },
{ "instances", PIKA_LOG_INSTANCES },
{ "rectangle-tool", PIKA_LOG_RECTANGLE_TOOL },
{ "brush-cache", PIKA_LOG_BRUSH_CACHE },
{ "projection", PIKA_LOG_PROJECTION },
{ "xcf", PIKA_LOG_XCF }
};
static const gchar * const log_domains[] =
{
"Pika",
"Pika-Actions",
"Pika-Base",
"Pika-Composite",
"Pika-Config",
"Pika-Core",
"Pika-Dialogs",
"Pika-Display",
"Pika-File",
"Pika-GEGL",
"Pika-GUI",
"Pika-Menus",
"Pika-Operations",
"Pika-PDB",
"Pika-Paint",
"Pika-Paint-Funcs",
"Pika-Plug-In",
"Pika-Text",
"Pika-Tools",
"Pika-Vectors",
"Pika-Widgets",
"Pika-XCF",
"LibPikaBase",
"LibPikaColor",
"LibPikaConfig",
"LibPikaMath",
"LibPikaModule",
"LibPikaThumb",
"LibPikaWidgets",
"GEGL",
NULL
};
PikaLogFlags pika_log_flags = 0;
void
pika_log_init (void)
{
const gchar *env_log_val = g_getenv ("PIKA_LOG");
if (! env_log_val)
env_log_val = g_getenv ("PIKA_DEBUG");
if (env_log_val)
g_setenv ("G_MESSAGES_DEBUG", env_log_val, TRUE);
if (env_log_val)
{
/* g_parse_debug_string() has special treatment of the string 'help',
* but we want to use it for the PIKA_LOG_HELP domain. "list-all"
* is a replacement for "help" in PIKA.
*/
if (g_ascii_strcasecmp (env_log_val, "list-all") == 0)
pika_log_flags = g_parse_debug_string ("help",
log_keys,
G_N_ELEMENTS (log_keys));
else if (g_ascii_strcasecmp (env_log_val, "help") == 0)
pika_log_flags = PIKA_LOG_HELP;
else
pika_log_flags = g_parse_debug_string (env_log_val,
log_keys,
G_N_ELEMENTS (log_keys));
if (pika_log_flags & PIKA_LOG_INSTANCES)
{
pika_debug_enable_instances ();
}
else if (! pika_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.
*/
pika_log_flags = g_parse_debug_string ("help",
log_keys,
G_N_ELEMENTS (log_keys));
}
}
}
void
pika_log (PikaLogFlags flags,
const gchar *function,
gint line,
const gchar *format,
...)
{
va_list args;
va_start (args, format);
pika_logv (flags, function, line, format, args);
va_end (args);
}
void
pika_logv (PikaLogFlags flags,
const gchar *function,
gint line,
const gchar *format,
va_list args)
{
const gchar *domain = "unknown";
gchar *message;
gint i;
for (i = 0; i < G_N_ELEMENTS (log_keys); i++)
if (log_keys[i].value == flags)
{
domain = log_keys[i].key;
break;
}
if (format)
message = g_strdup_vprintf (format, args);
else
message = g_strdup ("called");
g_log (domain, G_LOG_LEVEL_DEBUG,
"%s(%d): %s", function, line, message);
g_free (message);
}
PikaLogHandler
pika_log_set_handler (gboolean global,
GLogLevelFlags log_levels,
GLogFunc log_func,
gpointer user_data)
{
PikaLogHandler handler;
gint n;
gint i;
g_return_val_if_fail (log_func != NULL, NULL);
n = G_N_ELEMENTS (log_domains) - (global ? 1 : 0);
handler = g_new (guint, n + 1);
handler[0] = n;
for (i = 0; i < n; i++)
{
handler[i + 1] = g_log_set_handler (log_domains[i], log_levels,
log_func, user_data);
}
return handler;
}
void
pika_log_remove_handler (PikaLogHandler handler)
{
gint n;
gint i;
g_return_if_fail (handler != NULL);
n = handler[0];
for (i = 0; i < n; i++)
g_log_remove_handler (log_domains[i], handler[i + 1]);
g_free (handler);
}