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-rw-r--r--app/gimp-log.c219
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diff --git a/app/gimp-log.c b/app/gimp-log.c
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+/* GIMP - The GNU Image Manipulation Program
+ * 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 "gimp-debug.h"
+#include "gimp-log.h"
+
+
+static const GDebugKey log_keys[] =
+{
+ { "tool-events", GIMP_LOG_TOOL_EVENTS },
+ { "tool-focus", GIMP_LOG_TOOL_FOCUS },
+ { "dnd", GIMP_LOG_DND },
+ { "help", GIMP_LOG_HELP },
+ { "dialog-factory", GIMP_LOG_DIALOG_FACTORY },
+ { "menus", GIMP_LOG_MENUS },
+ { "save-dialog", GIMP_LOG_SAVE_DIALOG },
+ { "image-scale", GIMP_LOG_IMAGE_SCALE },
+ { "shadow-tiles", GIMP_LOG_SHADOW_TILES },
+ { "scale", GIMP_LOG_SCALE },
+ { "wm", GIMP_LOG_WM },
+ { "floating-selection", GIMP_LOG_FLOATING_SELECTION },
+ { "shm", GIMP_LOG_SHM },
+ { "text-editing", GIMP_LOG_TEXT_EDITING },
+ { "key-events", GIMP_LOG_KEY_EVENTS },
+ { "auto-tab-style", GIMP_LOG_AUTO_TAB_STYLE },
+ { "instances", GIMP_LOG_INSTANCES },
+ { "rectangle-tool", GIMP_LOG_RECTANGLE_TOOL },
+ { "brush-cache", GIMP_LOG_BRUSH_CACHE },
+ { "projection", GIMP_LOG_PROJECTION },
+ { "xcf", GIMP_LOG_XCF }
+};
+
+static const gchar * const log_domains[] =
+{
+ "Gimp",
+ "Gimp-Actions",
+ "Gimp-Base",
+ "Gimp-Composite",
+ "Gimp-Config",
+ "Gimp-Core",
+ "Gimp-Dialogs",
+ "Gimp-Display",
+ "Gimp-File",
+ "Gimp-GEGL",
+ "Gimp-GUI",
+ "Gimp-Menus",
+ "Gimp-Operations",
+ "Gimp-PDB",
+ "Gimp-Paint",
+ "Gimp-Paint-Funcs",
+ "Gimp-Plug-In",
+ "Gimp-Text",
+ "Gimp-Tools",
+ "Gimp-Vectors",
+ "Gimp-Widgets",
+ "Gimp-XCF",
+ "LibGimpBase",
+ "LibGimpColor",
+ "LibGimpConfig",
+ "LibGimpMath",
+ "LibGimpModule",
+ "LibGimpThumb",
+ "LibGimpWidgets",
+ "GEGL",
+ NULL
+};
+
+
+GimpLogFlags gimp_log_flags = 0;
+
+
+void
+gimp_log_init (void)
+{
+ const gchar *env_log_val = g_getenv ("GIMP_LOG");
+
+ if (! env_log_val)
+ env_log_val = g_getenv ("GIMP_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 GIMP_LOG_HELP domain. "list-all"
+ * is a replacement for "help" in GIMP.
+ */
+ 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,
+ log_keys,
+ G_N_ELEMENTS (log_keys));
+
+ if (gimp_log_flags & GIMP_LOG_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));
+ }
+ }
+}
+
+void
+gimp_log (GimpLogFlags flags,
+ const gchar *function,
+ gint line,
+ const gchar *format,
+ ...)
+{
+ va_list args;
+
+ va_start (args, format);
+ gimp_logv (flags, function, line, format, args);
+ va_end (args);
+}
+
+void
+gimp_logv (GimpLogFlags 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);
+}
+
+GimpLogHandler
+gimp_log_set_handler (gboolean global,
+ GLogLevelFlags log_levels,
+ GLogFunc log_func,
+ gpointer user_data)
+{
+ GimpLogHandler 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
+gimp_log_remove_handler (GimpLogHandler 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);
+}