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Diffstat (limited to '')
| -rw-r--r-- | app/config/gimprc.c | 593 |
1 files changed, 593 insertions, 0 deletions
diff --git a/app/config/gimprc.c b/app/config/gimprc.c new file mode 100644 index 0000000..53d54e5 --- /dev/null +++ b/app/config/gimprc.c @@ -0,0 +1,593 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * GimpRc, the object for GIMPs user configuration file gimprc. + * Copyright (C) 2001-2002 Sven Neumann <sven@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 <string.h> + +#include <gio/gio.h> +#include <gegl.h> + +#include "libgimpbase/gimpbase.h" +#include "libgimpconfig/gimpconfig.h" + +#include "config-types.h" + +#include "gimpconfig-file.h" +#include "gimprc.h" +#include "gimprc-deserialize.h" +#include "gimprc-serialize.h" +#include "gimprc-unknown.h" + +#include "gimp-intl.h" + + +enum +{ + PROP_0, + PROP_VERBOSE, + PROP_SYSTEM_GIMPRC, + PROP_USER_GIMPRC +}; + + +static void gimp_rc_config_iface_init (GimpConfigInterface *iface); + +static void gimp_rc_dispose (GObject *object); +static void gimp_rc_finalize (GObject *object); +static void gimp_rc_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec); +static void gimp_rc_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec); + +static GimpConfig * gimp_rc_duplicate (GimpConfig *object); +static gboolean gimp_rc_idle_save (GimpRc *rc); +static void gimp_rc_notify (GimpRc *rc, + GParamSpec *param, + gpointer data); + + +G_DEFINE_TYPE_WITH_CODE (GimpRc, gimp_rc, GIMP_TYPE_PLUGIN_CONFIG, + G_IMPLEMENT_INTERFACE (GIMP_TYPE_CONFIG, + gimp_rc_config_iface_init)) + +#define parent_class gimp_rc_parent_class + + +static void +gimp_rc_class_init (GimpRcClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->dispose = gimp_rc_dispose; + object_class->finalize = gimp_rc_finalize; + object_class->set_property = gimp_rc_set_property; + object_class->get_property = gimp_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)); + + 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)); + + 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)); +} + +static void +gimp_rc_init (GimpRc *rc) +{ + rc->autosave = FALSE; + rc->save_idle_id = 0; +} + +static void +gimp_rc_dispose (GObject *object) +{ + GimpRc *rc = GIMP_RC (object); + + if (rc->save_idle_id) + gimp_rc_idle_save (rc); + + G_OBJECT_CLASS (parent_class)->dispose (object); +} + +static void +gimp_rc_finalize (GObject *object) +{ + GimpRc *rc = GIMP_RC (object); + + g_clear_object (&rc->system_gimprc); + g_clear_object (&rc->user_gimprc); + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +gimp_rc_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + GimpRc *rc = GIMP_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; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gimp_rc_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + GimpRc *rc = GIMP_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; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gimp_rc_config_iface_init (GimpConfigInterface *iface) +{ + iface->serialize = gimp_rc_serialize; + iface->deserialize = gimp_rc_deserialize; + iface->duplicate = gimp_rc_duplicate; +} + +static void +gimp_rc_duplicate_unknown_token (const gchar *key, + const gchar *value, + gpointer user_data) +{ + gimp_rc_add_unknown_token (GIMP_CONFIG (user_data), key, value); +} + +static GimpConfig * +gimp_rc_duplicate (GimpConfig *config) +{ + GObject *gimp; + GimpConfig *dup; + + g_object_get (config, "gimp", &gimp, NULL); + + dup = g_object_new (GIMP_TYPE_RC, + "gimp", gimp, + NULL); + + if (gimp) + g_object_unref (gimp); + + gimp_config_sync (G_OBJECT (config), G_OBJECT (dup), 0); + + gimp_rc_foreach_unknown_token (config, + gimp_rc_duplicate_unknown_token, dup); + + return dup; +} + +static gboolean +gimp_rc_idle_save (GimpRc *rc) +{ + gimp_rc_save (rc); + + rc->save_idle_id = 0; + + return FALSE; +} + +static void +gimp_rc_notify (GimpRc *rc, + GParamSpec *param, + gpointer data) +{ + if (!rc->autosave) + return; + + if (!rc->save_idle_id) + rc->save_idle_id = g_idle_add ((GSourceFunc) gimp_rc_idle_save, rc); +} + +/** + * gimp_rc_new: + * @gimp: a #Gimp + * @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 and saving + * + * Creates a new GimpRc object and loads the system-wide and the user + * configuration files. + * + * Returns: the new #GimpRc. + */ +GimpRc * +gimp_rc_new (GObject *gimp, + GFile *system_gimprc, + GFile *user_gimprc, + gboolean verbose) +{ + GimpRc *rc; + + g_return_val_if_fail (G_IS_OBJECT (gimp), NULL); + 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_RC, + "gimp", gimp, + "verbose", verbose, + "system-gimprc", system_gimprc, + "user-gimprc", user_gimprc, + NULL); + + gimp_rc_load_system (rc); + gimp_rc_load_user (rc); + + return rc; +} + +void +gimp_rc_load_system (GimpRc *rc) +{ + GError *error = NULL; + + g_return_if_fail (GIMP_IS_RC (rc)); + + if (rc->verbose) + g_print ("Parsing '%s'\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); + } +} + +void +gimp_rc_load_user (GimpRc *rc) +{ + GError *error = NULL; + + g_return_if_fail (GIMP_IS_RC (rc)); + + if (rc->verbose) + g_print ("Parsing '%s'\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); + + gimp_config_file_backup_on_error (rc->user_gimprc, "gimprc", NULL); + } + + g_clear_error (&error); + } +} + +void +gimp_rc_set_autosave (GimpRc *rc, + gboolean autosave) +{ + g_return_if_fail (GIMP_IS_RC (rc)); + + autosave = autosave ? TRUE : FALSE; + + if (rc->autosave == autosave) + return; + + if (autosave) + g_signal_connect (rc, "notify", + G_CALLBACK (gimp_rc_notify), + NULL); + else + g_signal_handlers_disconnect_by_func (rc, gimp_rc_notify, NULL); + + rc->autosave = autosave; +} + + +/** + * gimp_rc_query: + * @rc: a #GimpRc object. + * @key: a string used as a key for the lookup. + * + * This function looks up @key in the object properties of @rc. If + * there's a matching property, a string representation of its value + * is returned. If no property is found, the list of unknown tokens + * attached to the @rc object is searched. + * + * Return value: a newly allocated string representing the value or %NULL + * if the key couldn't be found. + **/ +gchar * +gimp_rc_query (GimpRc *rc, + const gchar *key) +{ + GObjectClass *klass; + GObject *rc_object; + GParamSpec **property_specs; + GParamSpec *prop_spec; + guint i, n_property_specs; + gchar *retval = NULL; + + g_return_val_if_fail (GIMP_IS_RC (rc), NULL); + g_return_val_if_fail (key != NULL, NULL); + + rc_object = G_OBJECT (rc); + klass = G_OBJECT_GET_CLASS (rc); + + property_specs = g_object_class_list_properties (klass, &n_property_specs); + + if (!property_specs) + return NULL; + + for (i = 0, prop_spec = NULL; i < n_property_specs && !prop_spec; i++) + { + prop_spec = property_specs[i]; + + if (! (prop_spec->flags & GIMP_CONFIG_PARAM_SERIALIZE) || + strcmp (prop_spec->name, key)) + { + prop_spec = NULL; + } + } + + if (prop_spec) + { + GString *str = g_string_new (NULL); + GValue value = G_VALUE_INIT; + + g_value_init (&value, prop_spec->value_type); + g_object_get_property (rc_object, prop_spec->name, &value); + + if (gimp_config_serialize_value (&value, str, FALSE)) + retval = g_string_free (str, FALSE); + else + g_string_free (str, TRUE); + + g_value_unset (&value); + } + else + { + retval = g_strdup (gimp_rc_lookup_unknown_token (GIMP_CONFIG (rc), key)); + } + + g_free (property_specs); + + if (!retval) + { + const gchar * const path_tokens[] = + { + "gimp_dir", + "gimp_data_dir", + "gimp_plug_in_dir", + "gimp_plugin_dir", + "gimp_sysconf_dir" + }; + + for (i = 0; !retval && i < G_N_ELEMENTS (path_tokens); i++) + if (strcmp (key, path_tokens[i]) == 0) + retval = g_strdup_printf ("${%s}", path_tokens[i]); + } + + if (retval) + { + gchar *tmp = gimp_config_path_expand (retval, FALSE, NULL); + + if (tmp) + { + g_free (retval); + retval = tmp; + } + } + + return retval; +} + +/** + * gimp_rc_set_unknown_token: + * @gimprc: a #GimpRc object. + * @token: + * @value: + * + * Calls gimp_rc_add_unknown_token() and triggers an idle-save if + * autosave is enabled on @gimprc. + **/ +void +gimp_rc_set_unknown_token (GimpRc *rc, + const gchar *token, + const gchar *value) +{ + g_return_if_fail (GIMP_IS_RC (rc)); + + gimp_rc_add_unknown_token (GIMP_CONFIG (rc), token, value); + + if (rc->autosave) + gimp_rc_notify (rc, NULL, NULL); +} + +/** + * gimp_rc_save: + * @gimprc: a #GimpRc object. + * + * Saves any settings that differ from the system-wide defined + * defaults to the users personal gimprc file. + **/ +void +gimp_rc_save (GimpRc *rc) +{ + GObject *gimp; + GimpRc *global; + gchar *header; + GError *error = NULL; + + const gchar *top = + "GIMP gimprc\n" + "\n" + "This is your personal gimprc file. Any variable defined in this file " + "takes precedence over the value defined in the system-wide gimprc: "; + const gchar *bottom = + "\n" + "Most values can be set within GIMP by changing some options in " + "the Preferences dialog."; + const gchar *footer = + "end of gimprc"; + + g_return_if_fail (GIMP_IS_RC (rc)); + + g_object_get (rc, "gimp", &gimp, NULL); + + global = g_object_new (GIMP_TYPE_RC, + "gimp", gimp, + NULL); + + if (gimp) + g_object_unref (gimp); + + gimp_config_deserialize_gfile (GIMP_CONFIG (global), + rc->system_gimprc, NULL, NULL); + + header = g_strconcat (top, gimp_file_get_utf8_name (rc->system_gimprc), + bottom, NULL); + + if (rc->verbose) + g_print ("Writing '%s'\n", + gimp_file_get_utf8_name (rc->user_gimprc)); + + if (! gimp_config_serialize_to_gfile (GIMP_CONFIG (rc), + rc->user_gimprc, + header, footer, global, + &error)) + { + g_message ("%s", error->message); + g_error_free (error); + } + + g_free (header); + g_object_unref (global); +} + +/** + * gimp_rc_migrate: + * @rc: a #GimpRc object. + * + * Resets all GimpParamConfigPath properties of the passed rc object + * to their default values, in order to prevent paths in a migrated + * gimprc to refer to folders in the old GIMP's user directory. + **/ +void +gimp_rc_migrate (GimpRc *rc) +{ + GParamSpec **pspecs; + guint n_pspecs; + gint i; + + g_return_if_fail (GIMP_IS_RC (rc)); + + pspecs = g_object_class_list_properties (G_OBJECT_GET_CLASS (rc), &n_pspecs); + + for (i = 0; i < n_pspecs; i++) + { + GParamSpec *pspec = pspecs[i]; + + if (GIMP_IS_PARAM_SPEC_CONFIG_PATH (pspec)) + { + GValue value = G_VALUE_INIT; + + g_value_init (&value, pspec->value_type); + + g_param_value_set_default (pspec, &value); + g_object_set_property (G_OBJECT (rc), pspec->name, &value); + + g_value_unset (&value); + } + } + + g_free (pspecs); +} |