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-rw-r--r--app/config/gimpearlyrc.c346
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diff --git a/app/config/gimpearlyrc.c b/app/config/gimpearlyrc.c
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+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * GimpEarlyRc: pre-parsing of gimprc suitable for use during early
+ * initialization, when the gimp singleton is not constructed yet.
+ *
+ * Copyright (C) 2017 Jehan <jehan@gimp.org>
+ *
+ * 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 <gio/gio.h>
+
+#include "libgimpbase/gimpbase.h"
+#include "libgimpconfig/gimpconfig.h"
+
+#include "config-types.h"
+
+#include "core/core-types.h"
+#include "core/gimp-utils.h"
+
+#include "gimpearlyrc.h"
+
+enum
+{
+ PROP_0,
+ PROP_VERBOSE,
+ PROP_SYSTEM_GIMPRC,
+ PROP_USER_GIMPRC,
+ PROP_LANGUAGE,
+#ifdef G_OS_WIN32
+ PROP_WIN32_POINTER_INPUT_API,
+#endif
+};
+
+
+static void gimp_early_rc_constructed (GObject *object);
+static void gimp_early_rc_finalize (GObject *object);
+static void gimp_early_rc_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gimp_early_rc_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec);
+
+
+/* Just use GimpConfig interface's default implementation which will
+ * fill the properties. */
+G_DEFINE_TYPE_WITH_CODE (GimpEarlyRc, gimp_early_rc, G_TYPE_OBJECT,
+ G_IMPLEMENT_INTERFACE (GIMP_TYPE_CONFIG, NULL))
+
+#define parent_class gimp_early_rc_parent_class
+
+
+static void
+gimp_early_rc_class_init (GimpEarlyRcClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->constructed = gimp_early_rc_constructed;
+ object_class->finalize = gimp_early_rc_finalize;
+ object_class->set_property = gimp_early_rc_set_property;
+ object_class->get_property = gimp_early_rc_get_property;
+
+ g_object_class_install_property (object_class, PROP_VERBOSE,
+ g_param_spec_boolean ("verbose",
+ NULL, NULL,
+ FALSE,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT_ONLY));
+
+ g_object_class_install_property (object_class, PROP_SYSTEM_GIMPRC,
+ g_param_spec_object ("system-gimprc",
+ NULL, NULL,
+ G_TYPE_FILE,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT_ONLY));
+
+ g_object_class_install_property (object_class, PROP_USER_GIMPRC,
+ g_param_spec_object ("user-gimprc",
+ NULL, NULL,
+ G_TYPE_FILE,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT_ONLY));
+
+ GIMP_CONFIG_PROP_STRING (object_class, PROP_LANGUAGE,
+ "language", NULL, NULL, NULL,
+ GIMP_PARAM_STATIC_STRINGS);
+
+#ifdef G_OS_WIN32
+ GIMP_CONFIG_PROP_ENUM (object_class, PROP_WIN32_POINTER_INPUT_API,
+ "win32-pointer-input-api", NULL, NULL,
+ GIMP_TYPE_WIN32_POINTER_INPUT_API,
+ GIMP_WIN32_POINTER_INPUT_API_WINTAB,
+ GIMP_PARAM_STATIC_STRINGS |
+ GIMP_CONFIG_PARAM_RESTART);
+#endif
+}
+
+static void
+gimp_early_rc_init (GimpEarlyRc *rc)
+{
+}
+
+static void
+gimp_early_rc_constructed (GObject *object)
+{
+ GimpEarlyRc *rc = GIMP_EARLY_RC (object);
+ GError *error = NULL;
+
+ if (rc->verbose)
+ g_print ("Parsing '%s' for configuration data required during early initialization.\n",
+ gimp_file_get_utf8_name (rc->system_gimprc));
+
+ if (! gimp_config_deserialize_gfile (GIMP_CONFIG (rc),
+ rc->system_gimprc, NULL, &error))
+ {
+ if (error->code != GIMP_CONFIG_ERROR_OPEN_ENOENT)
+ g_message ("%s", error->message);
+
+ g_clear_error (&error);
+ }
+
+ if (rc->verbose)
+ g_print ("Parsing '%s' for configuration data required during early initialization.\n",
+ gimp_file_get_utf8_name (rc->user_gimprc));
+
+ if (! gimp_config_deserialize_gfile (GIMP_CONFIG (rc),
+ rc->user_gimprc, NULL, &error))
+ {
+ if (error->code != GIMP_CONFIG_ERROR_OPEN_ENOENT)
+ g_message ("%s", error->message);
+
+ g_clear_error (&error);
+ }
+
+ if (rc->verbose)
+ {
+ if (rc->language)
+ g_print ("Language property found: %s.\n", rc->language);
+ else
+ g_print ("No language property found.\n");
+ }
+}
+
+static void
+gimp_early_rc_finalize (GObject *object)
+{
+ GimpEarlyRc *rc = GIMP_EARLY_RC (object);
+
+ g_clear_object (&rc->system_gimprc);
+ g_clear_object (&rc->user_gimprc);
+
+ g_clear_pointer (&rc->language, g_free);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gimp_early_rc_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GimpEarlyRc *rc = GIMP_EARLY_RC (object);
+
+ switch (property_id)
+ {
+ case PROP_VERBOSE:
+ rc->verbose = g_value_get_boolean (value);
+ break;
+
+ case PROP_SYSTEM_GIMPRC:
+ if (rc->system_gimprc)
+ g_object_unref (rc->system_gimprc);
+
+ if (g_value_get_object (value))
+ rc->system_gimprc = g_value_dup_object (value);
+ else
+ rc->system_gimprc = gimp_sysconf_directory_file ("gimprc", NULL);
+ break;
+
+ case PROP_USER_GIMPRC:
+ if (rc->user_gimprc)
+ g_object_unref (rc->user_gimprc);
+
+ if (g_value_get_object (value))
+ rc->user_gimprc = g_value_dup_object (value);
+ else
+ rc->user_gimprc = gimp_directory_file ("gimprc", NULL);
+ break;
+
+ case PROP_LANGUAGE:
+ if (rc->language)
+ g_free (rc->language);
+ rc->language = g_value_dup_string (value);
+ break;
+
+#ifdef G_OS_WIN32
+ case PROP_WIN32_POINTER_INPUT_API:
+ {
+ GimpWin32PointerInputAPI api = g_value_get_enum (value);
+ gboolean have_wintab = gimp_win32_have_wintab ();
+ gboolean have_windows_ink = gimp_win32_have_windows_ink ();
+ gboolean api_is_wintab = (api == GIMP_WIN32_POINTER_INPUT_API_WINTAB);
+ gboolean api_is_windows_ink = (api == GIMP_WIN32_POINTER_INPUT_API_WINDOWS_INK);
+
+ if (api_is_wintab && !have_wintab && have_windows_ink)
+ {
+ rc->win32_pointer_input_api = GIMP_WIN32_POINTER_INPUT_API_WINDOWS_INK;
+ }
+ else if (api_is_windows_ink && !have_windows_ink && have_wintab)
+ {
+ rc->win32_pointer_input_api = GIMP_WIN32_POINTER_INPUT_API_WINTAB;
+ }
+ else
+ {
+ rc->win32_pointer_input_api = api;
+ }
+ }
+ break;
+#endif
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_early_rc_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GimpEarlyRc *rc = GIMP_EARLY_RC (object);
+
+ switch (property_id)
+ {
+ case PROP_VERBOSE:
+ g_value_set_boolean (value, rc->verbose);
+ break;
+ case PROP_SYSTEM_GIMPRC:
+ g_value_set_object (value, rc->system_gimprc);
+ break;
+ case PROP_USER_GIMPRC:
+ g_value_set_object (value, rc->user_gimprc);
+ break;
+ case PROP_LANGUAGE:
+ g_value_set_string (value, rc->language);
+ break;
+
+#ifdef G_OS_WIN32
+ case PROP_WIN32_POINTER_INPUT_API:
+ g_value_set_enum (value, rc->win32_pointer_input_api);
+ break;
+#endif
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+/**
+ * gimp_early_rc_new:
+ * @system_gimprc: the name of the system-wide gimprc file or %NULL to
+ * use the standard location
+ * @user_gimprc: the name of the user gimprc file or %NULL to use the
+ * standard location
+ * @verbose: enable console messages about loading the preferences
+ *
+ * Creates a new GimpEarlyRc object which looks for some configuration
+ * data required in the early initialization steps
+ *
+ * Returns: the new #GimpEarlyRc.
+ */
+GimpEarlyRc *
+gimp_early_rc_new (GFile *system_gimprc,
+ GFile *user_gimprc,
+ gboolean verbose)
+{
+ GimpEarlyRc *rc;
+
+ g_return_val_if_fail (system_gimprc == NULL || G_IS_FILE (system_gimprc),
+ NULL);
+ g_return_val_if_fail (user_gimprc == NULL || G_IS_FILE (user_gimprc),
+ NULL);
+
+ rc = g_object_new (GIMP_TYPE_EARLY_RC,
+ "verbose", verbose,
+ "system-gimprc", system_gimprc,
+ "user-gimprc", user_gimprc,
+ NULL);
+
+ return rc;
+}
+
+/**
+ * gimp_early_rc_get_language:
+ * @rc: a #GimpEarlyRc object.
+ *
+ * This function looks up the language set in `gimprc`.
+ *
+ * Return value: a newly allocated string representing the language or
+ * %NULL if the key couldn't be found.
+ **/
+gchar *
+gimp_early_rc_get_language (GimpEarlyRc *rc)
+{
+ return rc->language ? g_strdup (rc->language) : NULL;
+}
+
+#ifdef G_OS_WIN32
+
+/**
+ * gimp_early_rc_get_win32_pointer_input_api:
+ * @rc: a #GimpEarlyRc object.
+ *
+ * This function looks up the win32-specific pointer input API
+ * set in `gimprc`.
+ *
+ * Returns: the selected win32-specific pointer input API
+ **/
+GimpWin32PointerInputAPI
+gimp_early_rc_get_win32_pointer_input_api (GimpEarlyRc *rc)
+{
+ return rc->win32_pointer_input_api;
+}
+
+#endif