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monitor-config-store: Read system wide config files

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Before introducing the new config store, the old monitor configuration
system read system wide monitor configuration files. Add back that
feature.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/253
This commit is contained in:
Jonas Ådahl 2018-10-05 18:52:03 +02:00 committed by Georges Basile Stavracas Neto
parent c010a3b195
commit 9e75ce2ad7
2 changed files with 65 additions and 8 deletions
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1
src/backends/meta-monitor-config-manager.h
View File

@ -55,6 +55,7 @@ typedef enum _MetaMonitorsConfigFlag
{
META_MONITORS_CONFIG_FLAG_NONE = 0,
META_MONITORS_CONFIG_FLAG_MIGRATED = (1 << 0),
META_MONITORS_CONFIG_FLAG_SYSTEM_CONFIG = (1 << 1),
} MetaMonitorsConfigFlag;
struct _MetaMonitorsConfig

72
src/backends/meta-monitor-config-store.c
View File

@ -179,6 +179,8 @@ typedef struct
MetaMonitorConfig *current_monitor_config;
MetaLogicalMonitorConfig *current_logical_monitor_config;
GList *current_disabled_monitor_specs;
MetaMonitorsConfigFlag extra_config_flags;
} ConfigParser;
G_DEFINE_TYPE (MetaMonitorConfigStore, meta_monitor_config_store,
@ -766,6 +768,8 @@ handle_end_element (GMarkupParseContext *context,
if (parser->current_was_migrated)
config_flags |= META_MONITORS_CONFIG_FLAG_MIGRATED;
config_flags |= parser->extra_config_flags;
config =
meta_monitors_config_new_full (parser->current_logical_monitor_configs,
parser->current_disabled_monitor_specs,
@ -1078,9 +1082,10 @@ static const GMarkupParser config_parser = {
};
static gboolean
read_config_file (MetaMonitorConfigStore *config_store,
GFile *file,
GError **error)
read_config_file (MetaMonitorConfigStore *config_store,
GFile *file,
MetaMonitorsConfigFlag extra_config_flags,
GError **error)
{
char *buffer;
gsize size;
@ -1092,7 +1097,8 @@ read_config_file (MetaMonitorConfigStore *config_store,
parser = (ConfigParser) {
.state = STATE_INITIAL,
.config_store = config_store
.config_store = config_store,
.extra_config_flags = extra_config_flags,
};
parse_context = g_markup_parse_context_new (&config_parser,
@ -1274,6 +1280,9 @@ generate_config_xml (MetaMonitorConfigStore *config_store)
{
GList *l;
if (config->flags & META_MONITORS_CONFIG_FLAG_SYSTEM_CONFIG)
continue;
g_string_append (buffer, " <configuration>\n");
if (config->flags & META_MONITORS_CONFIG_FLAG_MIGRATED)
@ -1425,6 +1434,12 @@ maybe_save_configs (MetaMonitorConfigStore *config_store)
meta_monitor_config_store_save (config_store);
}
static gboolean
is_system_config (MetaMonitorsConfig *config)
{
return !!(config->flags & META_MONITORS_CONFIG_FLAG_SYSTEM_CONFIG);
}
void
meta_monitor_config_store_add (MetaMonitorConfigStore *config_store,
MetaMonitorsConfig *config)
@ -1432,7 +1447,8 @@ meta_monitor_config_store_add (MetaMonitorConfigStore *config_store,
g_hash_table_replace (config_store->configs,
config->key, g_object_ref (config));
maybe_save_configs (config_store);
if (!is_system_config (config))
maybe_save_configs (config_store);
}
void
@ -1441,7 +1457,8 @@ meta_monitor_config_store_remove (MetaMonitorConfigStore *config_store,
{
g_hash_table_remove (config_store->configs, config->key);
maybe_save_configs (config_store);
if (!is_system_config (config))
maybe_save_configs (config_store);
}
gboolean
@ -1458,7 +1475,10 @@ meta_monitor_config_store_set_custom (MetaMonitorConfigStore *config_store,
if (write_path)
config_store->custom_write_file = g_file_new_for_path (write_path);
return read_config_file (config_store, config_store->custom_read_file, error);
return read_config_file (config_store,
config_store->custom_read_file,
META_MONITORS_CONFIG_FLAG_NONE,
error);
}
int
@ -1485,9 +1505,42 @@ static void
meta_monitor_config_store_constructed (GObject *object)
{
MetaMonitorConfigStore *config_store = META_MONITOR_CONFIG_STORE (object);
const char * const *system_dirs;
char *user_file_path;
GError *error = NULL;
for (system_dirs = g_get_system_config_dirs ();
system_dirs && *system_dirs;
system_dirs++)
{
g_autofree char *system_file_path = NULL;
system_file_path = g_build_filename (*system_dirs, "monitors.xml", NULL);
if (g_file_test (system_file_path, G_FILE_TEST_EXISTS))
{
g_autoptr (GFile) system_file = NULL;
system_file = g_file_new_for_path (system_file_path);
if (!read_config_file (config_store,
system_file,
META_MONITORS_CONFIG_FLAG_SYSTEM_CONFIG,
&error))
{
if (g_error_matches (error,
META_MONITOR_CONFIG_STORE_ERROR,
META_MONITOR_CONFIG_STORE_ERROR_NEEDS_MIGRATION))
g_warning ("System monitor configuration file (%s) is "
"incompatible; ask your administrator to migrate "
"the system monitor configuation.",
system_file_path);
else
g_warning ("Failed to read monitors config file '%s': %s",
system_file_path, error->message);
g_clear_error (&error);
}
}
}
user_file_path = g_build_filename (g_get_user_config_dir (),
"monitors.xml",
NULL);
@ -1495,7 +1548,10 @@ meta_monitor_config_store_constructed (GObject *object)
if (g_file_test (user_file_path, G_FILE_TEST_EXISTS))
{
if (!read_config_file (config_store, config_store->user_file, &error))
if (!read_config_file (config_store,
config_store->user_file,
META_MONITORS_CONFIG_FLAG_NONE,
&error))
{
if (error->domain == META_MONITOR_CONFIG_STORE_ERROR &&
error->code == META_MONITOR_CONFIG_STORE_ERROR_NEEDS_MIGRATION)