SameBoy/gtk3/settings.c

105 lines
2.5 KiB
C

#include "settings.h"
static void print_config_error(GError *error) {
if (error == NULL) return;
if (error->domain != G_KEY_FILE_ERROR_GROUP_NOT_FOUND && error->domain != G_KEY_FILE_ERROR_KEY_NOT_FOUND) {
g_printerr("Config error: %s\n", error->message);
}
}
void print_config(config_t *config) {
#define EXPAND_GROUP(group_name, members) \
g_print("[%s]\n", #group_name); \
members
#define EXPAND_GROUP_MEMBER(member, key_type) \
g_print("%s="FORMAT_FOR_KEY_TYPE(key_type)"\n", #member, config->member);
EXPAND_CONFIG
#undef EXPAND_GROUP
#undef EXPAND_GROUP_MEMBER
}
void load_config_from_key_file(config_t *config, GKeyFile *key_file) {
static GError *error = NULL;
gchar *group_name;
#define EXPAND_GROUP(name, members) \
group_name = #name; \
if (g_key_file_has_group(key_file, group_name)) { \
members \
}
#define EXPAND_GROUP_MEMBER(member, key_type) \
config->member = g_key_file_get_##key_type(key_file, group_name, #member, &error); \
print_config_error(error); \
if (error != NULL) g_clear_error(&error);
EXPAND_CONFIG
if (config->rewind_duration > 600) {
g_warning("Setting Emulation.rewind_duration too high might affect performance.\n");
}
#undef EXPAND_GROUP
#undef EXPAND_GROUP_MEMBER
}
void init_settings(gchar *path) {
free_settings();
key_file = g_key_file_new();
if (path != NULL) {
settings_file_path = path;
}
else {
settings_file_path = g_build_filename(g_get_user_config_dir(), SETTINGS_FILE, NULL);
}
load_settings();
}
int load_settings(void) {
GError *error = NULL;
g_print("Trying to load settings from %s\n", settings_file_path);
if (!g_key_file_load_from_file(key_file, settings_file_path, G_KEY_FILE_KEEP_COMMENTS | G_KEY_FILE_KEEP_TRANSLATIONS, &error)) {
if (error->domain == G_FILE_ERROR) {
g_warning("Unable to load %s: %s", settings_file_path, error->message);
}
else if (error->domain == G_KEY_FILE_ERROR) {
g_warning("Failed to parse %s: %s", settings_file_path, error->message);
}
g_error_free(error);
return -1;
}
load_config_from_key_file(&config, key_file);
print_config(&config);
return 0;
}
void save_settings(void) {
GError *error = NULL;
g_print("Trying to save settings to %s\n", settings_file_path);
if (!g_key_file_save_to_file(key_file, settings_file_path, &error)) {
g_warning ("Failed to save %s: %s", settings_file_path, error->message);
g_error_free(error);
return;
}
}
void free_settings(void) {
if (key_file != NULL) {
g_key_file_free(key_file);
key_file = NULL;
}
}