File glib2-gsettings-overrides-per-session.patch of Package glib2

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File glib2-gsettings-overrides-per-session.patch of Package glib2 (Revision 3b5a2943f67e6122bb74f5dbbee2a8c8)

Currently displaying revision 3b5a2943f67e6122bb74f5dbbee2a8c8 , Show latest

Index: glib-2.56.1/gio/glib-compile-schemas.c
===================================================================
--- glib-2.56.1.orig/gio/glib-compile-schemas.c	2018-04-07 16:53:59.188856969 +0200
+++ glib-2.56.1/gio/glib-compile-schemas.c	2018-04-07 16:53:59.228857214 +0200
@@ -179,6 +179,8 @@ typedef struct
   GString      *unparsed_default_value;
   GVariant     *default_value;
 
+  GVariantDict *desktop_overrides;
+
   GString      *strinfo;
   gboolean      is_enum;
   gboolean      is_flags;
@@ -731,6 +733,11 @@ key_state_serialise (KeyState *state)
             g_variant_builder_add (&builder, "(y(**))", 'r',
                                    state->minimum, state->maximum);
 
+          /* per-desktop overrides */
+          if (state->desktop_overrides)
+            g_variant_builder_add (&builder, "(y@a{sv})", 'd',
+                                   g_variant_dict_end (state->desktop_overrides));
+
           state->serialised = g_variant_builder_end (&builder);
         }
 
@@ -768,6 +775,9 @@ key_state_free (gpointer data)
   if (state->serialised)
     g_variant_unref (state->serialised);
 
+  if (state->desktop_overrides)
+    g_variant_dict_unref (state->desktop_overrides);
+
   g_slice_free (KeyState, state);
 }
 
@@ -1880,6 +1890,8 @@ set_overrides (GHashTable  *schema_table
       gchar **groups;
       gint i;
 
+      g_debug ("Processing override file '%s'", filename);
+
       key_file = g_key_file_new ();
       if (!g_key_file_load_from_file (key_file, filename, 0, &error))
         {
@@ -1902,18 +1914,31 @@ set_overrides (GHashTable  *schema_table
       for (i = 0; groups[i]; i++)
         {
           const gchar *group = groups[i];
+          const gchar *schema_name;
+          const gchar *desktop_id;
           SchemaState *schema;
+          gchar **pieces;
           gchar **keys;
           gint j;
 
-          schema = g_hash_table_lookup (schema_table, group);
+          pieces = g_strsplit (group, ":", 2);
+          schema_name = pieces[0];
+          desktop_id = pieces[1];
+
+          g_debug ("Processing group '%s' (schema '%s', %s)",
+                   group, schema_name, desktop_id ? desktop_id : "all desktops");
+
+          schema = g_hash_table_lookup (schema_table, schema_name);
 
           if (schema == NULL)
-            /* Having the schema not be installed is expected to be a
-             * common case.  Don't even emit an error message about
-             * that.
-             */
-            continue;
+            {
+              /* Having the schema not be installed is expected to be a
+               * common case.  Don't even emit an error message about
+               * that.
+               */
+              g_strfreev (pieces);
+              continue;
+            }
 
           keys = g_key_file_get_keys (key_file, group, NULL, NULL);
           g_assert (keys != NULL);
@@ -1941,6 +1966,32 @@ set_overrides (GHashTable  *schema_table
 
                   fprintf (stderr, _(" and --strict was specified; exiting.\n"));
                   g_key_file_free (key_file);
+                  g_strfreev (pieces);
+                  g_strfreev (groups);
+                  g_strfreev (keys);
+
+                  return FALSE;
+                }
+
+              if (desktop_id != NULL && state->l10n)
+                {
+                  /* Let's avoid the n*m case of per-desktop localised
+                   * default values, and just forbid it.
+                   */
+                  fprintf (stderr,
+                           _("cannot provide per-desktop overrides for localised "
+                             "key '%s' in schema '%s' (override file '%s')"),
+                           key, group, filename);
+
+                  if (!strict)
+                    {
+                      fprintf (stderr, _("; ignoring override for this key.\n"));
+                      continue;
+                    }
+
+                  fprintf (stderr, _(" and --strict was specified; exiting.\n"));
+                  g_key_file_free (key_file);
+                  g_strfreev (pieces);
                   g_strfreev (groups);
                   g_strfreev (keys);
 
@@ -1971,6 +2022,7 @@ set_overrides (GHashTable  *schema_table
 
                   fprintf (stderr, _("--strict was specified; exiting.\n"));
                   g_key_file_free (key_file);
+                  g_strfreev (pieces);
                   g_strfreev (groups);
                   g_strfreev (keys);
 
@@ -1999,6 +2051,7 @@ set_overrides (GHashTable  *schema_table
 
                       fprintf (stderr, _(" and --strict was specified; exiting.\n"));
                       g_key_file_free (key_file);
+                      g_strfreev (pieces);
                       g_strfreev (groups);
                       g_strfreev (keys);
 
@@ -2027,6 +2080,7 @@ set_overrides (GHashTable  *schema_table
 
                       fprintf (stderr, _(" and --strict was specified; exiting.\n"));
                       g_key_file_free (key_file);
+                      g_strfreev (pieces);
                       g_strfreev (groups);
                       g_strfreev (keys);
 
@@ -2034,11 +2088,24 @@ set_overrides (GHashTable  *schema_table
                     }
                 }
 
-              g_variant_unref (state->default_value);
-              state->default_value = value;
+              if (desktop_id != NULL)
+                {
+                  if (state->desktop_overrides == NULL)
+                    state->desktop_overrides = g_variant_dict_new (NULL);
+
+                  g_variant_dict_insert_value (state->desktop_overrides, desktop_id, value);
+                  g_variant_unref (value);
+                }
+              else
+                {
+                  g_variant_unref (state->default_value);
+                  state->default_value = value;
+                }
+
               g_free (string);
             }
 
+          g_strfreev (pieces);
           g_strfreev (keys);
         }
 
Index: glib-2.56.1/gio/gsettings.c
===================================================================
--- glib-2.56.1.orig/gio/gsettings.c	2018-03-12 17:23:37.000000000 +0100
+++ glib-2.56.1/gio/gsettings.c	2018-04-07 16:53:59.232857239 +0200
@@ -1204,10 +1204,7 @@ g_settings_get_value (GSettings   *setti
   value = g_settings_read_from_backend (settings, &skey, FALSE, FALSE);
 
   if (value == NULL)
-    value = g_settings_schema_key_get_translated_default (&skey);
-
-  if (value == NULL)
-    value = g_variant_ref (skey.default_value);
+    value = g_settings_schema_key_get_default_value (&skey);
 
   g_settings_schema_key_clear (&skey);
 
@@ -1304,10 +1301,7 @@ g_settings_get_default_value (GSettings
   value = g_settings_read_from_backend (settings, &skey, FALSE, TRUE);
 
   if (value == NULL)
-    value = g_settings_schema_key_get_translated_default (&skey);
-
-  if (value == NULL)
-    value = g_variant_ref (skey.default_value);
+    value = g_settings_schema_key_get_default_value (&skey);
 
   g_settings_schema_key_clear (&skey);
 
@@ -1360,10 +1354,7 @@ g_settings_get_enum (GSettings   *settin
   value = g_settings_read_from_backend (settings, &skey, FALSE, FALSE);
 
   if (value == NULL)
-    value = g_settings_schema_key_get_translated_default (&skey);
-
-  if (value == NULL)
-    value = g_variant_ref (skey.default_value);
+    value = g_settings_schema_key_get_default_value (&skey);
 
   result = g_settings_schema_key_to_enum (&skey, value);
   g_settings_schema_key_clear (&skey);
@@ -1473,10 +1464,7 @@ g_settings_get_flags (GSettings   *setti
   value = g_settings_read_from_backend (settings, &skey, FALSE, FALSE);
 
   if (value == NULL)
-    value = g_settings_schema_key_get_translated_default (&skey);
-
-  if (value == NULL)
-    value = g_variant_ref (skey.default_value);
+    value = g_settings_schema_key_get_default_value (&skey);
 
   result = g_settings_schema_key_to_flags (&skey, value);
   g_settings_schema_key_clear (&skey);
@@ -1751,6 +1739,13 @@ g_settings_get_mapped (GSettings
       if (okay) goto okay;
     }
 
+  if ((value = g_settings_schema_key_get_per_desktop_default (&skey)))
+    {
+      okay = mapping (value, &result, user_data);
+      g_variant_unref (value);
+      if (okay) goto okay;
+    }
+
   if (mapping (skey.default_value, &result, user_data))
     goto okay;
 
@@ -2657,6 +2652,20 @@ g_settings_binding_key_changed (GSetting
           g_variant_unref (variant);
           variant = NULL;
         }
+    }
+
+  if (variant == NULL)
+    {
+      variant = g_settings_schema_key_get_per_desktop_default (&binding->key);
+      if (variant &&
+          !binding->get_mapping (&value, variant, binding->user_data))
+        {
+          g_error ("Per-desktop default value for key '%s' in schema '%s' "
+                   "was rejected by the binding mapping function.",
+                   binding->key.name, g_settings_schema_get_id (binding->key.schema));
+          g_variant_unref (variant);
+          variant = NULL;
+        }
     }
 
   if (variant == NULL)
Index: glib-2.56.1/gio/gsettingsschema-internal.h
===================================================================
--- glib-2.56.1.orig/gio/gsettingsschema-internal.h	2017-07-14 01:03:39.000000000 +0200
+++ glib-2.56.1/gio/gsettingsschema-internal.h	2018-04-07 16:53:59.232857239 +0200
@@ -37,6 +37,7 @@ struct _GSettingsSchemaKey
   const GVariantType *type;
   GVariant *minimum, *maximum;
   GVariant *default_value;
+  GVariant *desktop_overrides;
 
   gint ref_count;
 };
@@ -58,6 +59,7 @@ gboolean                g_settings_schem
 GVariant *              g_settings_schema_key_range_fixup               (GSettingsSchemaKey *key,
                                                                          GVariant           *value);
 GVariant *              g_settings_schema_key_get_translated_default    (GSettingsSchemaKey *key);
+GVariant *              g_settings_schema_key_get_per_desktop_default   (GSettingsSchemaKey *key);
 
 gint                    g_settings_schema_key_to_enum                   (GSettingsSchemaKey *key,
                                                                          GVariant           *value);
Index: glib-2.56.1/gio/gsettingsschema.c
===================================================================
--- glib-2.56.1.orig/gio/gsettingsschema.c	2018-01-22 21:28:02.000000000 +0100
+++ glib-2.56.1/gio/gsettingsschema.c	2018-04-07 16:53:59.232857239 +0200
@@ -27,6 +27,7 @@
 #include <glibintl.h>
 #include <locale.h>
 #include <string.h>
+#include <stdlib.h>
 
 /**
  * SECTION:gsettingsschema
@@ -1283,6 +1284,11 @@ g_settings_schema_key_init (GSettingsSch
           endian_fixup (&key->maximum);
           break;
 
+        case 'd':
+          g_variant_get (data, "@a{sv}", &key->desktop_overrides);
+          endian_fixup (&key->desktop_overrides);
+          break;
+
         default:
           g_warning ("unknown schema extension '%c'", code);
           break;
@@ -1303,6 +1309,9 @@ g_settings_schema_key_clear (GSettingsSc
   if (key->maximum)
     g_variant_unref (key->maximum);
 
+  if (key->desktop_overrides)
+    g_variant_unref (key->desktop_overrides);
+
   g_variant_unref (key->default_value);
 
   g_settings_schema_unref (key->schema);
@@ -1410,6 +1419,35 @@ g_settings_schema_key_get_translated_def
   return value;
 }
 
+GVariant *
+g_settings_schema_key_get_per_desktop_default (GSettingsSchemaKey *key)
+{
+  static const gchar * const *current_desktops;
+  GVariant *value = NULL;
+  gint i;
+
+  if (!key->desktop_overrides)
+    return NULL;
+
+  if (g_once_init_enter (&current_desktops))
+    {
+      const gchar *xdg_current_desktop = getenv ("XDG_CURRENT_DESKTOP");
+      gchar **tmp;
+
+      if (xdg_current_desktop != NULL && xdg_current_desktop[0] != '\0')
+        tmp = g_strsplit (xdg_current_desktop, ":", -1);
+      else
+        tmp = g_new0 (gchar *, 0 + 1);
+
+      g_once_init_leave (&current_desktops, (const gchar **) tmp);
+    }
+
+  for (i = 0; value == NULL && current_desktops[i] != NULL; i++)
+    value = g_variant_lookup_value (key->desktop_overrides, current_desktops[i], NULL);
+
+  return value;
+}
+
 gint
 g_settings_schema_key_to_enum (GSettingsSchemaKey *key,
                                GVariant           *value)
@@ -1699,6 +1737,9 @@ g_settings_schema_key_get_default_value
   value = g_settings_schema_key_get_translated_default (key);
 
   if (!value)
+    value = g_settings_schema_key_get_per_desktop_default (key);
+
+  if (!value)
     value = g_variant_ref (key->default_value);
 
   return value;

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File glib2-gsettings-overrides-per-session.patch of Package glib2 (Revision 3b5a2943f67e6122bb74f5dbbee2a8c8)

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