elm config - add the ability to have derived configurations from others
this adds the ability to have one profile automatically be derived from another with modifications applied. right now it only can do a very limited modification - multiple scale. over time this will expand. this is only inteded otbe sued by a DE like enlightenment, so it's not going to be documented fully at this point. @feature
This commit is contained in:
parent
c2f6ece2d7
commit
922b5dca74
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@ -665,6 +665,285 @@ _elm_config_user_dir_snprintf(char *dst,
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return 0;
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}
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typedef struct _Elm_Config_Derived Elm_Config_Derived;
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typedef struct _Elm_Config_Derived_Profile Elm_Config_Derived_Profile;
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struct _Elm_Config_Derived
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{
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Eina_List *profiles;
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};
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struct _Elm_Config_Derived_Profile
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{
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const char *profile;
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const char *derive_options;
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};
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static Eet_Data_Descriptor *_config_derived_edd = NULL;
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static Eet_Data_Descriptor *_config_derived_profile_edd = NULL;
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static void
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_elm_config_profile_derived_init(void)
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{
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Eet_Data_Descriptor_Class eddc;
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EET_EINA_FILE_DATA_DESCRIPTOR_CLASS_SET(&eddc, Elm_Config_Derived);
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eddc.func.str_direct_alloc = NULL;
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eddc.func.str_direct_free = NULL;
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_config_derived_edd = eet_data_descriptor_file_new(&eddc);
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memset(&eddc, 0, sizeof(eddc)); /* just in case... */
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EET_EINA_FILE_DATA_DESCRIPTOR_CLASS_SET(&eddc, Elm_Config_Derived_Profile);
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eddc.func.str_direct_alloc = NULL;
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eddc.func.str_direct_free = NULL;
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_config_derived_profile_edd = eet_data_descriptor_file_new(&eddc);
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#define T Elm_Config_Derived_Profile
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#define D _config_derived_profile_edd
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ELM_CONFIG_VAL(D, T, profile, EET_T_STRING);
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ELM_CONFIG_VAL(D, T, derive_options, EET_T_STRING);
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#undef T
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#undef D
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#define T Elm_Config_Derived
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#define D _config_derived_edd
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ELM_CONFIG_LIST(D, T, profiles, _config_derived_profile_edd);
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#undef T
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#undef D
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}
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static void
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_elm_config_profile_derived_shutdown(void)
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{
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if (_config_derived_profile_edd)
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{
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eet_data_descriptor_free(_config_derived_profile_edd);
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_config_derived_profile_edd = NULL;
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}
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if (_config_derived_edd)
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{
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eet_data_descriptor_free(_config_derived_edd);
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_config_derived_edd = NULL;
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}
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}
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static Elm_Config_Derived *
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_elm_config_derived_load(const char *profile)
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{
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char buf[PATH_MAX];
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Eet_File *ef;
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Elm_Config_Derived *derived;
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if (!profile) profile = _elm_profile;
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_elm_config_user_dir_snprintf(buf, sizeof(buf), "config/%s/derived.cfg",
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profile);
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ef = eet_open(buf, EET_FILE_MODE_READ);
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if (ef)
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{
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derived = eet_data_read(ef, _config_derived_edd, "config");
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eet_close(ef);
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if (derived) return derived;
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}
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snprintf(buf, sizeof(buf), "%s/config/%s/derived.cfg",
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_elm_data_dir, profile);
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ef = eet_open(buf, EET_FILE_MODE_READ);
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if (ef)
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{
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derived = eet_data_read(ef, _config_derived_edd, "config");
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eet_close(ef);
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if (derived) return derived;
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}
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return NULL;
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}
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static void
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_elm_config_profile_derived_save(const char *profile, Elm_Config_Derived *derived)
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{
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Eet_File *ef;
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char buf[PATH_MAX], buf2[PATH_MAX];
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_elm_config_user_dir_snprintf(buf, sizeof(buf), "config/%s",
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profile ? profile : _elm_profile);
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ecore_file_mkpath(buf);
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_elm_config_user_dir_snprintf(buf, sizeof(buf), "config/%s/derived.cfg.tmp",
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profile ? profile : _elm_profile);
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_elm_config_user_dir_snprintf(buf2, sizeof(buf2), "config/%s/derived.cfg",
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profile ? profile : _elm_profile);
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ef = eet_open(buf, EET_FILE_MODE_WRITE);
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if (ef)
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{
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eet_data_write(ef, _config_derived_edd, "config", derived, 1);
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eet_close(ef);
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ecore_file_mv(buf, buf2);
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}
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}
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static void
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_elm_config_derived_free(Elm_Config_Derived *derived)
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{
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Elm_Config_Derived_Profile *dp;
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if (!derived) return;
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EINA_LIST_FREE(derived->profiles, dp)
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{
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eina_stringshare_del(dp->profile);
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eina_stringshare_del(dp->derive_options);
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free(dp);
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}
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free(derived);
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}
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static void
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_elm_config_derived_option_op_apply(Elm_Config *cfg, const char *op, const char *params)
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{
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if (!strcmp(op, "scale-mul"))
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{
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int multiplier = atoi(params);
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if (multiplier > 0)
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{
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cfg->scale = cfg->scale * (((double)multiplier) / 100.0);
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}
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}
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// Add more derivation commands here
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}
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static void
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_elm_config_derived_option_apply(Elm_Config *cfg, const char *option)
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{
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const char *p;
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char *buf = alloca(strlen(option) + 1);
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char *bp = buf;
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p = option;
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bp = buf;
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for (;;)
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{
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if ((*p == 0) || (*p == ' '))
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{
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if (*p == ' ') p++;
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*bp = 0;
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_elm_config_derived_option_op_apply(cfg, buf, p);
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return;
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}
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else
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{
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*bp = *p;
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bp++;
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}
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if (*p == 0) break;
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p++;
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}
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}
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static void
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_elm_config_derived_apply(Elm_Config *cfg, const char *derive_options)
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{
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// derive_options = "option1 param param2 ...; option2 param1 ..."
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const char *p;
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char *buf = alloca(strlen(derive_options) + 1);
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char *bp = buf;
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p = derive_options;
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for (;;)
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{
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if ((*p == 0) || (*p == ';'))
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{
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if (*p == ';') p++;
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*bp = 0;
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_elm_config_derived_option_apply(cfg, buf);
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bp = buf;
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}
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else
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{
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*bp = *p;
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bp++;
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}
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if (*p == 0) break;
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p++;
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}
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}
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static void
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_elm_config_derived_save(Elm_Config *cfg, Elm_Config_Derived *derived)
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{
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Elm_Config_Derived_Profile *dp;
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Eina_List *l;
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if (!derived) return;
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EINA_LIST_FOREACH(derived->profiles, l, dp)
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{
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if ((dp->profile) && (dp->derive_options))
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{
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Elm_Config *cfg2;
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cfg2 = malloc(sizeof(Elm_Config));
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if (cfg2)
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{
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memcpy(cfg2, cfg, sizeof(Elm_Config));
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_elm_config_derived_apply(cfg2, dp->derive_options);
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_elm_config_save(cfg2, dp->profile);
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free(cfg2);
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}
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}
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}
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}
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EAPI void
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elm_config_profile_derived_add(const char *profile, const char *derive_options)
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{
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Elm_Config_Derived *derived;
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derived = _elm_config_derived_load(_elm_profile);
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if (!derived) derived = calloc(1, sizeof(derived));
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if (derived)
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{
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Elm_Config_Derived_Profile *dp = calloc(1, sizeof(Elm_Config_Derived_Profile));
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if (dp)
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{
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dp->profile = eina_stringshare_add(profile);
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dp->derive_options = eina_stringshare_add(derive_options);
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derived->profiles = eina_list_append(derived->profiles, dp);
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_elm_config_profile_derived_save(_elm_profile, derived);
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_elm_config_derived_save(_elm_config, derived);
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}
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_elm_config_derived_free(derived);
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}
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}
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EAPI void
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elm_config_profile_derived_del(const char *profile)
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{
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Elm_Config_Derived *derived;
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Elm_Config_Derived_Profile *dp;
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Eina_List *l;
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if (!profile) return;
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derived = _elm_config_derived_load(_elm_profile);
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if (derived)
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{
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EINA_LIST_FOREACH(derived->profiles, l, dp)
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{
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if ((dp->profile) && (!strcmp(dp->profile, profile)))
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{
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char buf[PATH_MAX];
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_elm_config_user_dir_snprintf(buf, sizeof(buf), "config/%s",
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profile);
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ecore_file_recursive_rm(buf);
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derived->profiles = eina_list_remove_list(derived->profiles, l);
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eina_stringshare_del(dp->profile);
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eina_stringshare_del(dp->derive_options);
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free(dp);
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_elm_config_profile_derived_save(_elm_profile, derived);
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_elm_config_derived_free(derived);
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return;
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}
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}
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_elm_config_derived_free(derived);
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}
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}
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const char *
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_elm_config_profile_dir_get(const char *prof,
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Eina_Bool is_user)
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@ -1688,6 +1967,13 @@ _elm_config_profile_save(void)
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}
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ecore_file_unlink(buf2);
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derived = _elm_config_derived_load(profile ? profile : _elm_profile);
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if (derived)
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{
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_elm_config_derived_save(cfg, derived);
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_elm_config_derived_free(derived);
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}
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return EINA_TRUE;
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err:
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@ -1696,8 +1982,9 @@ err:
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}
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Eina_Bool
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_elm_config_save(const char *profile)
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_elm_config_save(Elm_Config *cfg, const char *profile)
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{
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Elm_Config_Derived *derived;
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char buf[4096], buf2[4096];
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int ok = 0, ret;
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const char *err;
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@ -1754,7 +2041,7 @@ _elm_config_save(const char *profile)
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if (!ef)
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return EINA_FALSE;
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ok = eet_data_write(ef, _config_edd, "config", _elm_config, 1);
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ok = eet_data_write(ef, _config_edd, "config", cfg, 1);
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if (!ok)
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goto err;
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@ -1888,7 +2175,7 @@ _config_update(void)
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_elm_config->config_version = ELM_CONFIG_VERSION;
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/* after updating user config, we must save */
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_config_free(tcfg);
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_elm_config_save(NULL);
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_elm_config_save(_elm_config, NULL);
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}
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static void
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@ -2386,7 +2673,7 @@ elm_config_password_show_last_timeout_set(double password_show_last_timeout)
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EAPI Eina_Bool
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elm_config_save(void)
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{
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return _elm_config_save(NULL);
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return _elm_config_save(_elm_config, NULL);
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}
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EAPI void
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@ -2465,10 +2752,9 @@ EAPI void
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elm_config_profile_save(const char *profile)
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{
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EINA_SAFETY_ON_NULL_RETURN(profile);
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_elm_config_save(profile);
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_elm_config_save(_elm_config, profile);
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}
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EAPI const char *
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elm_config_engine_get(void)
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{
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@ -3441,6 +3727,7 @@ _elm_config_init(void)
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if (!ELM_EVENT_CONFIG_ALL_CHANGED)
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ELM_EVENT_CONFIG_ALL_CHANGED = ecore_event_type_new();
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_desc_init();
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_elm_config_profile_derived_init();
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_profile_fetch_from_conf();
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_config_load();
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_env_get();
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@ -3821,6 +4108,7 @@ _elm_config_shutdown(void)
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ELM_SAFE_FREE(_elm_profile, free);
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_elm_font_overlays_del_free();
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_elm_config_profile_derived_shutdown();
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_desc_shutdown();
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ELM_SAFE_FREE(_elm_key_bindings, eina_hash_free);
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@ -178,6 +178,47 @@ EAPI void elm_config_profile_set(const char *profile);
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*/
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EAPI void elm_config_profile_save(const char *profile);
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/**
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* Add a new profile of the given name to be derived from the current profile
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*
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* This creates a new profile of name @p profile that will be derived from
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* the currently used profile using the modification commands encoded in the
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* @p derive_options string.
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*
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* At this point it is not expected that anyone would generally use this API
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* except if you are a destktop environment and so the user base of this API
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* will be enlightenment itself.
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*
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* @param profile The new profile's name
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* @param derive_options A string of derive options detailing how to modify
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*
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* @see elm_config_profile_derived_del
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* @ingroup Profile
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*
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* @since 1.17
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*/
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EAPI void elm_config_profile_derived_add(const char *profile, const char *derive_options);
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/**
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* Deletes a profile that is derived from the current one
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*
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* This deletes a derived profile added by elm_config_profile_derived_add().
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* This will delete the profile of the given name @p profile that is derived
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* from the current profile.
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*
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* At this point it is not expected that anyone would generally use this API
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* except if you are a destktop environment and so the user base of this API
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* will be enlightenment itself.
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*
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* @param profile The profile's name that is to be deleted
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*
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* @see elm_config_profile_derived_add
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* @ingroup Profile
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*
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* @since 1.17
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*/
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EAPI void elm_config_profile_derived_del(const char *profile);
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/**
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* @}
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*/
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@ -433,7 +433,7 @@ void _elm_config_init(void);
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void _elm_config_sub_init(void);
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void _elm_config_shutdown(void);
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void _elm_config_sub_shutdown(void);
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Eina_Bool _elm_config_save(const char *profile);
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Eina_Bool _elm_config_save(Elm_Config *cfg, const char *profile);
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void _elm_config_reload(void);
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size_t _elm_config_user_dir_snprintf(char *dst, size_t size,
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const char *fmt, ...)
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