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From 5634fd61f17d28dfc05cd47cfbd2bd2f21e6d2b1 Mon Sep 17 00:00:00 2001
From: Allison Lortie <desrt@desrt.ca>
Date: Wed, 2 Aug 2017 11:06:03 +0100
Subject: [PATCH 1/4] gsettings: cleanup default value lookup
There are a couple of different ways (and soon one more) to access the
default value of a key. Clean up the various places that access this to
avoid duplication.
https://bugzilla.gnome.org/show_bug.cgi?id=746592
---
gio/gsettings.c | 20 ++++----------------
1 file changed, 4 insertions(+), 16 deletions(-)
diff --git a/gio/gsettings.c b/gio/gsettings.c
index 10d394d69..5e5816d57 100644
--- a/gio/gsettings.c
+++ b/gio/gsettings.c
@@ -1204,10 +1204,7 @@ g_settings_get_value (GSettings *settings,
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 *settings,
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 *settings,
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 *settings,
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);
--
2.21.0
From 89c6e8f4a0bcda4b58dbaea713e62be01cfc2087 Mon Sep 17 00:00:00 2001
From: Allison Lortie <desrt@desrt.ca>
Date: Wed, 2 Aug 2017 11:08:17 +0100
Subject: [PATCH 2/4] gsettingsschema: Allow per-desktop overrides
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Recognise a new 'd' option in schema keys which gives a dictionary of
per-desktop default values. This dictionary is searched for the items
found in XDG_CURRENT_DESKTOP, in the order. If nothing matches (or if
the option is missing) then the default value is used as before.
This feature was requested by Alberts Muktupāvels and this patch is
based on an approach devised by them.
https://bugzilla.gnome.org/show_bug.cgi?id=746592
---
gio/gsettings.c | 21 +++++++++++++++++
gio/gsettingsschema-internal.h | 2 ++
gio/gsettingsschema.c | 41 ++++++++++++++++++++++++++++++++++
3 files changed, 64 insertions(+)
diff --git a/gio/gsettings.c b/gio/gsettings.c
index 5e5816d57..f1130c095 100644
--- a/gio/gsettings.c
+++ b/gio/gsettings.c
@@ -1739,6 +1739,13 @@ g_settings_get_mapped (GSettings *settings,
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;
@@ -2647,6 +2654,20 @@ g_settings_binding_key_changed (GSettings *settings,
}
}
+ 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)
{
variant = g_variant_ref (binding->key.default_value);
diff --git a/gio/gsettingsschema-internal.h b/gio/gsettingsschema-internal.h
index f54de3b34..5f996b4bc 100644
--- a/gio/gsettingsschema-internal.h
+++ b/gio/gsettingsschema-internal.h
@@ -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_schema_key_type_check (GSettin
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);
diff --git a/gio/gsettingsschema.c b/gio/gsettingsschema.c
index f1274a369..17b7e3b01 100644
--- a/gio/gsettingsschema.c
+++ b/gio/gsettingsschema.c
@@ -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 (GSettingsSchemaKey *key,
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 (GSettingsSchemaKey *key)
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_default (GSettingsSchemaKey *key)
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 = g_getenv ("XDG_CURRENT_DESKTOP");
+ gchar **tmp;
+
+ if (xdg_current_desktop != NULL && xdg_current_desktop[0] != '\0')
+ tmp = g_strsplit (xdg_current_desktop, G_SEARCHPATH_SEPARATOR_S, -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)
@@ -1698,6 +1736,9 @@ g_settings_schema_key_get_default_value (GSettingsSchemaKey *key)
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);
--
2.21.0
From 3710e830de015829c086c69181a8703645d577ec Mon Sep 17 00:00:00 2001
From: Allison Lortie <desrt@desrt.ca>
Date: Wed, 2 Aug 2017 11:10:18 +0100
Subject: [PATCH 3/4] glib-compile-schemas: Handle per-desktop overrides
Add a new syntax to override files: if the group name has a ':' in it,
it indicates that we want to override the default values of keys for
only one desktop. For example:
[org.gnome.desktop.interface:Unity]
font-name='Ubuntu 12'
Will override the settings, only if "Unity" is found in
XDG_CURRENT_DESKTOP. Multiple per-desktop overrides can be specified
for a given key: the one which comes first in XDG_CURRENT_DESKTOP will
be used.
https://bugzilla.gnome.org/show_bug.cgi?id=746592
---
gio/glib-compile-schemas.c | 83 ++++++++++++++++++++++++++++++++++----
1 file changed, 75 insertions(+), 8 deletions(-)
diff --git a/gio/glib-compile-schemas.c b/gio/glib-compile-schemas.c
index 2dc8c7171..59fb68ee7 100644
--- a/gio/glib-compile-schemas.c
+++ b/gio/glib-compile-schemas.c
@@ -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);
}
@@ -1878,6 +1888,8 @@ 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))
{
@@ -1900,18 +1912,31 @@ 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);
@@ -1939,6 +1964,32 @@ 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);
@@ -1969,6 +2020,7 @@ 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);
@@ -1997,6 +2049,7 @@ 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);
@@ -2025,6 +2078,7 @@ 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);
@@ -2032,11 +2086,24 @@ 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);
}
--
2.21.0
From 2ca9218fb46f32fa02bed43c6e60243c8c5d656f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alberts=20Muktup=C4=81vels?= <alberts.muktupavels@gmail.com>
Date: Tue, 19 Jun 2018 23:39:24 +0300
Subject: [PATCH 4/4] Add a test for per-desktop overrides
---
gio/glib-compile-schemas.c | 1 +
gio/tests/Makefile.am | 2 +
gio/tests/gsettings.c | 106 ++++++++++++++++++-
gio/tests/org.gtk.test.gschema.override.orig | 2 +
gio/tests/org.gtk.test.gschema.xml.orig | 6 ++
5 files changed, 116 insertions(+), 1 deletion(-)
create mode 100644 gio/tests/org.gtk.test.gschema.override.orig
diff --git a/gio/glib-compile-schemas.c b/gio/glib-compile-schemas.c
index 59fb68ee7..00dd64146 100644
--- a/gio/glib-compile-schemas.c
+++ b/gio/glib-compile-schemas.c
@@ -2139,6 +2139,7 @@ main (int argc, char **argv)
/* These options are only for use in the gschema-compile tests */
{ "schema-file", 0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_FILENAME_ARRAY, &schema_files, NULL, NULL },
+ { "override-file", 0, G_OPTION_FLAG_HIDDEN, G_OPTION_ARG_FILENAME_ARRAY, &override_files, NULL, NULL },
{ NULL }
};
diff --git a/gio/tests/Makefile.am b/gio/tests/Makefile.am
index 49a19bf4a..b41317ad9 100644
--- a/gio/tests/Makefile.am
+++ b/gio/tests/Makefile.am
@@ -367,12 +367,14 @@ test.mo: de.po
EXTRA_DIST += de.po
dist_uninstalled_test_data += \
org.gtk.test.gschema.xml.orig \
+ org.gtk.test.gschema.override.orig \
org.gtk.schemasourcecheck.gschema.xml \
testenum.h \
enums.xml.template
# Generated while running the testcase itself...
CLEANFILES += \
org.gtk.test.gschema.xml \
+ org.gtk.test.gschema.override \
org.gtk.test.enums.xml \
gsettings.store \
gschemas.compiled \
diff --git a/gio/tests/gsettings.c b/gio/tests/gsettings.c
index 2be4122fe..acdeead4c 100644
--- a/gio/tests/gsettings.c
+++ b/gio/tests/gsettings.c
@@ -2192,6 +2192,7 @@ G_GNUC_END_IGNORE_DEPRECATIONS
"org.gtk.test.range.direct",
"org.gtk.test.mapped",
"org.gtk.test.descriptions",
+ "org.gtk.test.per-desktop",
NULL));
}
@@ -2583,6 +2584,100 @@ test_default_value (void)
g_object_unref (settings);
}
+static gboolean
+string_map_func (GVariant *value,
+ gpointer *result,
+ gpointer user_data)
+{
+ const gchar *str;
+
+ str = g_variant_get_string (value, NULL);
+ *result = g_variant_new_string (str);
+
+ return TRUE;
+}
+
+/* Test that per-desktop values from org.gtk.test.gschema.override
+ * does not change default value if current desktop is not listed in
+ * $XDG_CURRENT_DESKTOP.
+ */
+static void
+test_per_desktop (void)
+{
+ GSettings *settings;
+ TestObject *obj;
+ gpointer p;
+ gchar *str;
+
+ settings = g_settings_new ("org.gtk.test.per-desktop");
+ obj = test_object_new ();
+
+ if (!g_test_subprocess ())
+ {
+ g_test_trap_subprocess ("/gsettings/per-desktop/subprocess", 0, 0);
+ g_test_trap_assert_passed ();
+ }
+
+ str = g_settings_get_string (settings, "desktop");
+ g_assert_cmpstr (str, ==, "GNOME");
+ g_free (str);
+
+ p = g_settings_get_mapped (settings, "desktop", string_map_func, NULL);
+
+ str = g_variant_dup_string (p, NULL);
+ g_assert_cmpstr (str, ==, "GNOME");
+ g_free (str);
+
+ g_variant_unref (p);
+
+ g_settings_bind (settings, "desktop", obj, "string", G_SETTINGS_BIND_DEFAULT);
+
+ g_object_get (obj, "string", &str, NULL);
+ g_assert_cmpstr (str, ==, "GNOME");
+ g_free (str);
+
+ g_object_unref (settings);
+ g_object_unref (obj);
+}
+
+/* Test that per-desktop values from org.gtk.test.gschema.override
+ * are successfully loaded based on the value of $XDG_CURRENT_DESKTOP.
+ */
+static void
+test_per_desktop_subprocess (void)
+{
+ GSettings *settings;
+ TestObject *obj;
+ gpointer p;
+ gchar *str;
+
+ g_setenv ("XDG_CURRENT_DESKTOP", "GNOME-Classic:GNOME", TRUE);
+
+ settings = g_settings_new ("org.gtk.test.per-desktop");
+ obj = test_object_new ();
+
+ str = g_settings_get_string (settings, "desktop");
+ g_assert_cmpstr (str, ==, "GNOME Classic");
+ g_free (str);
+
+ p = g_settings_get_mapped (settings, "desktop", string_map_func, NULL);
+
+ str = g_variant_dup_string (p, NULL);
+ g_assert_cmpstr (str, ==, "GNOME Classic");
+ g_free (str);
+
+ g_variant_unref (p);
+
+ g_settings_bind (settings, "desktop", obj, "string", G_SETTINGS_BIND_DEFAULT);
+
+ g_object_get (obj, "string", &str, NULL);
+ g_assert_cmpstr (str, ==, "GNOME Classic");
+ g_free (str);
+
+ g_object_unref (settings);
+ g_object_unref (obj);
+}
+
static void
test_extended_schema (void)
{
@@ -2603,6 +2698,7 @@ int
main (int argc, char *argv[])
{
gchar *schema_text;
+ gchar *override_text;
gchar *enums;
gint result;
@@ -2625,6 +2721,7 @@ main (int argc, char *argv[])
g_setenv ("XDG_DATA_DIRS", ".", TRUE);
g_setenv ("XDG_DATA_HOME", ".", TRUE);
g_setenv ("GSETTINGS_SCHEMA_DIR", ".", TRUE);
+ g_setenv ("XDG_CURRENT_DESKTOP", "", TRUE);
if (!backend_set)
g_setenv ("GSETTINGS_BACKEND", "memory", TRUE);
@@ -2647,6 +2744,10 @@ main (int argc, char *argv[])
g_assert (g_file_set_contents ("org.gtk.test.gschema.xml", schema_text, -1, NULL));
g_free (schema_text);
+ g_assert (g_file_get_contents (SRCDIR "/org.gtk.test.gschema.override.orig", &override_text, NULL, NULL));
+ g_assert (g_file_set_contents ("org.gtk.test.gschema.override", override_text, -1, NULL));
+ g_free (override_text);
+
/* Meson build defines this, autotools build does not */
#ifndef GLIB_COMPILE_SCHEMAS
#define GLIB_COMPILE_SCHEMAS "../glib-compile-schemas"
@@ -2655,7 +2756,8 @@ main (int argc, char *argv[])
g_remove ("gschemas.compiled");
g_assert (g_spawn_command_line_sync (GLIB_COMPILE_SCHEMAS " --targetdir=. "
"--schema-file=org.gtk.test.enums.xml "
- "--schema-file=org.gtk.test.gschema.xml",
+ "--schema-file=org.gtk.test.gschema.xml "
+ "--override-file=org.gtk.test.gschema.override",
NULL, NULL, &result, NULL));
g_assert (result == 0);
@@ -2736,6 +2838,8 @@ main (int argc, char *argv[])
g_test_add_func ("/gsettings/read-descriptions", test_read_descriptions);
g_test_add_func ("/gsettings/test-extended-schema", test_extended_schema);
g_test_add_func ("/gsettings/default-value", test_default_value);
+ g_test_add_func ("/gsettings/per-desktop", test_per_desktop);
+ g_test_add_func ("/gsettings/per-desktop/subprocess", test_per_desktop_subprocess);
result = g_test_run ();
diff --git a/gio/tests/org.gtk.test.gschema.override.orig b/gio/tests/org.gtk.test.gschema.override.orig
new file mode 100644
index 000000000..6694baace
--- /dev/null
+++ b/gio/tests/org.gtk.test.gschema.override.orig
@@ -0,0 +1,2 @@
+[org.gtk.test.per-desktop:GNOME-Classic]
+desktop = "GNOME Classic"
diff --git a/gio/tests/org.gtk.test.gschema.xml.orig b/gio/tests/org.gtk.test.gschema.xml.orig
index c07558335..fbcdce683 100644
--- a/gio/tests/org.gtk.test.gschema.xml.orig
+++ b/gio/tests/org.gtk.test.gschema.xml.orig
@@ -209,4 +209,10 @@
</key>
</schema>
+ <schema id="org.gtk.test.per-desktop" path="/tests/per-desktop/">
+ <key name="desktop" type="s">
+ <default>"GNOME"</default>
+ </key>
+ </schema>
+
</schemalist>
--
2.21.0
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