summaryrefslogtreecommitdiff
path: root/src/lib/edje/Edje_Common.h
blob: 3f2c81066ada8722736303ec31771b156fe8b3b1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
#include "edje_types.eot.h"

/**
 * @internal
 * @ingroup Edje_General_Group
 *
 * @typedef Edje_Version
 * Type for edje version
 *
 */
typedef struct _Edje_Version
{
   int major; /**< The major number of Edje version. */
   int minor; /**< The minor number of Edje version. */
   int micro; /**< The micro number of Edje version. */
   int revision; /**< The revision of Edje version) */
} Edje_Version;

EAPI extern Edje_Version *edje_version;

#ifndef _EDJE_OBJECT_EO_CLASS_TYPE
#define _EDJE_OBJECT_EO_CLASS_TYPE

typedef Eo Edje_Object;

#endif

/**
 * @typedef Edje_Color_Class
 * Type for edje color class
 */
typedef struct _Edje_Color_Class Edje_Color_Class;

struct _Edje_Color_Class
{
   const char       *name;

   unsigned char  r, g, b, a;
   unsigned char  r2, g2, b2, a2;
   unsigned char  r3, g3, b3, a3;
   Eina_Stringshare *desc;
};

/**
 * @typedef Edje_Text_Class
 * Type for edje text class
 *
 * @since 1.17
 */
typedef struct _Edje_Text_Class Edje_Text_Class;

struct _Edje_Text_Class
{
   const char     *name;
   const char     *font;
   Evas_Font_Size  size;
};

/**
 * @typedef Edje_Size_Class
 * Type for edje size class
 *
 * @since 1.17
 */
typedef struct _Edje_Size_Class Edje_Size_Class;

struct _Edje_Size_Class
{
   Eina_Stringshare *name;
   Evas_Coord        minw;
   Evas_Coord        minh;
   Evas_Coord        maxw;
   Evas_Coord        maxh;
};

/**
 * @defgroup Edje_Object_Communication_Interface_Signal Edje Communication Interface: Signal
 * @ingroup Edje_Object_Group
 *
 * @brief Functions that deal with signals.
 *
 * Edje has two communication interfaces between @b code and @b theme.
 * Signals and messages.
 *
 * This group has functions that deal with signals. One can either
 * emit a signal from @b code to a @b theme or create handles for
 * the ones emitted from @b themes. Signals are identified by strings.
 *
 * @{
 */

typedef void (*Efl_Signal_Cb) (void *data, Evas_Object *obj, const char *emission, const char *source); /**< Edje signal callback functions's prototype definition. @c data will have the auxiliary data pointer set at the time the callback registration. @c obj will be a pointer the Edje object where the signal comes from. @c emission will identify the exact signal's emission string and @c source the exact signal's source one. */
typedef Efl_Signal_Cb Edje_Signal_Cb;

/**
 * @brief Gets extra data passed to callbacks.
 *
 * @return The extra data for that callback.
 *
 * Some callbacks pass extra information. This function gives access to that
 * extra information. It's somehow like event_info in smart callbacks.
 *
 * @see edje_object_signal_callback_add() for more on Edje signals.
 * @since 1.1.0
 */
EAPI void *       edje_object_signal_callback_extra_data_get(void);

/**
 * @}
 */

/**
 * @defgroup Edje_General_Group Edje General
 * @ingroup Edje
 *
 * @brief This group discusses functions that have general purposes or affect Edje as a whole.
 *
 * Besides containing the initialize and shutdown functions of the library, which should
 * always be called when we are using Edje, this module contains some other utilities that
 * could be used in many contexts or should do their jobs independent of the context inside Edje.
 *
 * @{
 */

/**
 * @brief Initializes the Edje library.
 *
 * @return The new init count. The initial value is zero.
 *
 * This function initializes the Edje library, making the proper calls
 * to internal initialization functions. It will also initialize its
 * @b dependencies, making calls to @c eina_init(), @c ecore_init(),
 * @c embryo_init() and @c eet_init(). So, there is no need to call
 * those functions again, in your code. To shutdown Edje there is the
 * function edje_shutdown().
 *
 * @see edje_shutdown()
 * @see eina_init()
 * @see ecore_init()
 * @see embryo_init()
 * @see eet_init()
 *
 */
EAPI int          edje_init                       (void);

/**
 * @brief Shuts down the Edje library.
 *
 * @return The number of times the library has been initialized
 *         without being shutdown.
 *
 * This function shuts down the Edje library. It will also call the
 * shutdown functions of its @b dependencies, which are @c
 * eina_shutdown(), @c ecore_shutdown(), @c embryo_shutdown() and @c
 * eet_shutdown(), so there is no need to call these functions again,
 * in your code.
 *
 * @see edje_init()
 * @see eina_shutdown()
 * @see ecore_shutdown()
 * @see embryo_shutdown()
 * @see eet_shutdown()
 *
 */
EAPI int		edje_shutdown			(void);

/**
 * @brief Sets the edje append fontset.
 *
 * @param fonts The fontset to append.
 *
 * This function sets the edje append fontset.
 *
 */
EAPI void		edje_fontset_append_set		(const char *fonts);

/**
 * @brief Gets data from the file level data block of an edje mapped file.
 * @param f The mapped edje file
 * @param key The data key
 * @return The string value of the data, or @c NULL if no key is found.
 * Must be freed by the user when no longer needed.
 *
 * If an edje file test.edj is built from the following edc:
 *
 * data {
 *   item: "key1" "value1";
 *   item: "key2" "value2";
 * }
 * collections { ... }
 *
 * Then, edje_file_data_get("test.edj", "key1") will return "value1"
 */
EAPI char             *edje_mmap_data_get(const Eina_File *f, const char *key);

/**
 * @brief Gets data from the file level data block of an edje file.
 * @param file The path to the .edj file
 * @param key The data key
 * @return The string value of the data, or @c NULL if no key is found.
 * Must be freed by the user when no longer needed.
 *
 * If an edje file test.edj is built from the following edc:
 *
 * data {
 *   item: "key1" "value1";
 *   item: "key2" "value2";
 * }
 * collections { ... }
 *
 * Then, edje_file_data_get("test.edj", "key1") will return "value1"
 *
 * @see edje_mmap_data_get()
 */
EAPI char        *edje_file_data_get              (const char *file, const char *key);

/**
 * @brief Loads a new module in Edje.
 * @param module The name of the module that will be added to Edje.
 * @return @c EINA_TRUE if the module was successfully loaded. Otherwise, @c EINA_FALSE.
 *
 * Modules are used to add functionality to Edje.
 * So, when a module is loaded, its functionality should be available for use.
 *
 */
EAPI Eina_Bool               edje_module_load                (const char *module);

/**
 * @brief Retrieves all modules that can be loaded.
 * @return A list of all loadable modules.
 *
 * This function retrieves all modules that can be loaded by edje_module_load().
 *
 * @see edje_module_load().
 *
 */
EAPI const Eina_List        *edje_available_modules_get      (void);

/**
 * @brief Gets the edje append fontset.
 *
 * @return The edje append fontset.
 *
 * This function returns the edje append fontset set by
 * edje_fontset_append_set() function.
 *
 * @see edje_fontset_append_set().
 *
 */
EAPI const char		*edje_fontset_append_get	(void);

/**
 * @brief Sets the file cache size.
 *
 * @param count The file cache size in edje file units. Default is 16.
 *
 * This function sets the file cache size. Edje keeps this cache in
 * order to prevent duplicates of edje file entries in memory. The
 * file cache size can be retrieved with edje_file_cache_get().
 *
 * @see edje_file_cache_get()
 * @see edje_file_cache_flush()
 *
 */
EAPI void         edje_file_cache_set             (int count);

/**
 * @brief Returns the file cache size.
 *
 * @return The file cache size in edje file units. Default is 16.
 *
 * This function returns the file cache size set by
 * edje_file_cache_set().
 *
 * @see edje_file_cache_set()
 * @see edje_file_cache_flush()
 *
 */
EAPI int          edje_file_cache_get             (void);

/**
 * @brief Cleans the file cache.
 *
 * This function cleans the file cache entries, but keeps this cache's
 * size to the last value set.
 *
 * @see edje_file_cache_set()
 * @see edje_file_cache_get()
 *
 */
EAPI void         edje_file_cache_flush           (void);

/**
 * @brief Sets the collection cache size.
 *
 * @param count The collection cache size, in edje object units. Default is 16.
 *
 * This function sets the collection cache size. Edje keeps this cache
 * in order to prevent duplicates of edje {collection,group,part}
 * entries in memory. The collection cache size can be retrieved with
 * edje_collection_cache_get().
 *
 * @see edje_collection_cache_get()
 * @see edje_collection_cache_flush()
 *
 */
EAPI void         edje_collection_cache_set       (int count);

/**
 * @brief Returns the collection cache size.
 *
 * @return The collection cache size, in edje object units. Default is 16.
 *
 * This function returns the collection cache size set by
 * edje_collection_cache_set().
 *
 * @see edje_collection_cache_set()
 * @see edje_collection_cache_flush()
 *
 */
EAPI int          edje_collection_cache_get       (void);

/**
 * @brief Cleans the collection cache.
 *
 * This function cleans the collection cache, but keeps this cache's
 * size to the last value set.
 *
 * @see edje_collection_cache_set()
 * @see edje_collection_cache_get()
 *
 */
EAPI void         edje_collection_cache_flush     (void);

/**
 * @}
 */

/**
 * @defgroup Edje_External_Group Edje External
 * @ingroup Edje
 *
 * @brief This group discusses functions of the external section of Edje.
 *
 * The programmer can create new types for parts, that will be called generically
 * EXTERNALS as they are not native of Edje. The developer must also create
 * plugins that will define the meaning of each extra properties carried by
 * these parts of type EXTERNAL.
 *
 * As long as there are new types properly registered with the plugins created,
 * the user can use the parts of type EXTERNAL as all the parts of native types.
 *
 * @{
 */

/** The possible types the parameters of an EXTERNAL part can be.
 *
 * @ingroup Edje_External
 */
typedef enum
{
  EDJE_EXTERNAL_PARAM_TYPE_INT = 0, /**< Parameter value is an integer. */
  EDJE_EXTERNAL_PARAM_TYPE_DOUBLE, /**< Parameter value is a double. */
  EDJE_EXTERNAL_PARAM_TYPE_STRING, /**< Parameter value is a string. */
  EDJE_EXTERNAL_PARAM_TYPE_BOOL, /**< Parameter value is boolean. */
  EDJE_EXTERNAL_PARAM_TYPE_CHOICE, /**< Parameter value is one of a set of predefined string choices. */
  EDJE_EXTERNAL_PARAM_TYPE_MAX /**< Sentinel value to indicate last enum field during iteration */
} Edje_External_Param_Type;

/**
 * Flags that determine how a parameter may be accessed in different
 * circumstances.
 */
typedef enum _Edje_External_Param_Flags
{
   EDJE_EXTERNAL_PARAM_FLAGS_NONE        = 0, /**< Property is incapable of operations, this is used to catch bogus flags. */
   EDJE_EXTERNAL_PARAM_FLAGS_GET         = (1 << 0), /**< Property can be read/get. */
   EDJE_EXTERNAL_PARAM_FLAGS_SET         = (1 << 1), /**< Property can be written/set. This only enables edje_object_part_external_param_set() and Embryo scripts. To enable the parameter being set from state description whenever it changes state, use #EDJE_EXTERNAL_PARAM_FLAGS_STATE. */
   EDJE_EXTERNAL_PARAM_FLAGS_STATE       = (1 << 2), /**< Property can be set from state description. */
   EDJE_EXTERNAL_PARAM_FLAGS_CONSTRUCTOR = (1 << 3), /**< This property is only set once when the object is constructed using its value from "default" 0.0 state description. Setting this overrides #EDJE_EXTERNAL_PARAM_FLAGS_STATE. */
   EDJE_EXTERNAL_PARAM_FLAGS_REGULAR     = (EDJE_EXTERNAL_PARAM_FLAGS_GET |
                                            EDJE_EXTERNAL_PARAM_FLAGS_SET |
                                            EDJE_EXTERNAL_PARAM_FLAGS_STATE) /**< Convenience flag that sets property as GET, SET and STATE. */
} Edje_External_Param_Flags;

/** Struct that holds parameters for parts of type EXTERNAL.
 */
typedef struct _Edje_External_Param
{
  const char *name; /**< The name of the parameter. */
  Edje_External_Param_Type type; /**< The type of the parameter. This defines
                                  * which of the next three variables holds the
                                  * value for it. */
  int i; /**< Used by both integer and boolean */
  double d; /**< Used by double */
  const char *s; /**< Used by both string and choice */
} Edje_External_Param;

/**
 * @brief Converts type identifier to string nicer representation.
 *
 * This may be used to debug or other informational purposes.
 *
 * @param type the identifier to convert.
 * @return the string with the string representation, or @c "(unknown)".
 */
EAPI const char *edje_external_param_type_str(Edje_External_Param_Type type) EINA_PURE;

/**
 * Helper macro to indicate an EXTERNAL's integer parameter is undefined.
 */
#define EDJE_EXTERNAL_INT_UNSET INT_MAX
/**
 * Helper macro to indicate an EXTERNAL's double parameter is undefined.
 */
#define EDJE_EXTERNAL_DOUBLE_UNSET DBL_MAX

/**
 * Struct holding information about an EXTERNAL part's parameters.
 *
 * When creating types to use with EXTERNAL parts, an array of this type is
 * used to describe the different parameters the object uses.
 *
 * This struct holds the name, type and flags that define how and when the
 * parameter is used, as well as information specific to each type, like the
 * maximum or minimum value, that can be used by editors to restrict the
 * range of values to set for each parameter.
 */
typedef struct _Edje_External_Param_Info Edje_External_Param_Info;

/**
 * Struct holding information about an EXTERNAL part's parameters.
 *
 * When creating types to use with EXTERNAL parts, an array of this type is
 * used to describe the different parameters the object uses.
 *
 * This struct holds the name, type and flags that define how and when the
 * parameter is used, as well as information specific to each type, like the
 * maximum or minimum value, that can be used by editors to restrict the
 * range of values to set for each parameter.
 */
struct _Edje_External_Param_Info
{
   const char               *name; /**< Name of the parameter. */
   Edje_External_Param_Type  type; /**< Type of the parameter. */
   Edje_External_Param_Flags flags; /**< Flags indicating how this parameter is
                                      used. */
   union {
      struct {
         int                 def, /**< Default value for the parameter. */
                             min, /**< Minimum value it can have. */
                             max, /**< Maximum value it can have. */
                             step; /**< Values will be a multiple of this. */
      } i; /**< Info about integer type parameters. Use #EDJE_EXTERNAL_INT_UNSET
             on any of them to indicate they are not defined.*/
      struct {
         double              def, /**< Default value for the parameter. */
                             min, /**< Minimum value it can have. */
                             max, /**< Maximum value it can have. */
                             step; /**< Values will be a multiple of this. */
      } d; /**< Info about double type parameters. Use
#EDJE_EXTERNAL_DOUBLE_UNSET on any of them to indicate they are not defined.*/
      struct {
         const char         *def; /**< Default value. */
         const char         *accept_fmt; /**< Not implemented. */
         const char         *deny_fmt; /**< Not implemented */
      } s; /**< Info about string type parameters. NULL indicates undefined. */
      struct {
         int                 def; /**< Default value. */
         const char         *false_str; /**< String shown by editors to indicate the false state. */
         const char         *true_str; /**< String shown by editors to indicate the true state. */
      } b; /**< Info about boolean type parameters.*/
      struct {
         const char         *def; /**< Default value. */
         const char        **choices; /* Array of strings, each represents a
                                         valid value for this parameter. The
                                         last element of the array must be
                                         NULL. */
         char               *(*def_get)(void *data, const Edje_External_Param_Info *info); /** return malloc() memory with the default choice, should be used if def is NULL. First parameter is Edje_External_Type::data */
         char              **(*query)(void *data, const Edje_External_Param_Info *info); /** NULL terminated array of strings, memory is dynamically allocated and should be freed with free() for array and each element. First parameter is Edje_External_Type::data */
      } c; /**< Info about choice type parameters. */
   } info;
};

#define EDJE_EXTERNAL_PARAM_INFO_INT_FULL_FLAGS(name, def, min, max, step, flags) \
  {name, EDJE_EXTERNAL_PARAM_TYPE_INT, flags, {.i = {def, min, max, step}}}
#define EDJE_EXTERNAL_PARAM_INFO_DOUBLE_FULL_FLAGS(name, def, min, max, step, flags) \
  {name, EDJE_EXTERNAL_PARAM_TYPE_DOUBLE, flags, {.d = {def, min, max, step}}}
#define EDJE_EXTERNAL_PARAM_INFO_STRING_FULL_FLAGS(name, def, accept, deny, flags) \
  {name, EDJE_EXTERNAL_PARAM_TYPE_STRING, flags, {.s = {def, accept, deny}}}
#define EDJE_EXTERNAL_PARAM_INFO_BOOL_FULL_FLAGS(name, def, false_str, true_str, flags) \
  {name, EDJE_EXTERNAL_PARAM_TYPE_BOOL, flags, {.b = {def, false_str, true_str}}}
#define EDJE_EXTERNAL_PARAM_INFO_CHOICE_FULL_FLAGS(name, def, choices, flags) \
  {name, EDJE_EXTERNAL_PARAM_TYPE_CHOICE, flags, {.c = {def, choices, NULL, NULL}}}
#define EDJE_EXTERNAL_PARAM_INFO_CHOICE_DYNAMIC_FULL_FLAGS(name, def_get, query, flags) \
  {name, EDJE_EXTERNAL_PARAM_TYPE_CHOICE, flags, {.c = {NULL, NULL, def_get, query}}}

#define EDJE_EXTERNAL_PARAM_INFO_INT_FULL(name, def, min, max, step) \
  EDJE_EXTERNAL_PARAM_INFO_INT_FULL_FLAGS(name, def, min, max, step, EDJE_EXTERNAL_PARAM_FLAGS_REGULAR)
#define EDJE_EXTERNAL_PARAM_INFO_DOUBLE_FULL(name, def, min, max, step) \
  EDJE_EXTERNAL_PARAM_INFO_DOUBLE_FULL_FLAGS(name, def, min, max, step, EDJE_EXTERNAL_PARAM_FLAGS_REGULAR)
#define EDJE_EXTERNAL_PARAM_INFO_STRING_FULL(name, def, accept, deny) \
  EDJE_EXTERNAL_PARAM_INFO_STRING_FULL_FLAGS(name, def, accept, deny, EDJE_EXTERNAL_PARAM_FLAGS_REGULAR)
#define EDJE_EXTERNAL_PARAM_INFO_BOOL_FULL(name, def, false_str, true_str) \
  EDJE_EXTERNAL_PARAM_INFO_BOOL_FULL_FLAGS(name, def, false_str, true_str, EDJE_EXTERNAL_PARAM_FLAGS_REGULAR)
#define EDJE_EXTERNAL_PARAM_INFO_CHOICE_FULL(name, def, choices) \
  EDJE_EXTERNAL_PARAM_INFO_CHOICE_FULL_FLAGS(name, def, choices, EDJE_EXTERNAL_PARAM_FLAGS_REGULAR)
#define EDJE_EXTERNAL_PARAM_INFO_CHOICE_DYNAMIC_FULL(name, def_get, query) \
  EDJE_EXTERNAL_PARAM_INFO_CHOICE_DYNAMIC_FULL_FLAGS(name, def_get, query, EDJE_EXTERNAL_PARAM_FLAGS_REGULAR)

#define EDJE_EXTERNAL_PARAM_INFO_INT_DEFAULT(name, def) \
   EDJE_EXTERNAL_PARAM_INFO_INT_FULL(name, def, EDJE_EXTERNAL_INT_UNSET, EDJE_EXTERNAL_INT_UNSET, EDJE_EXTERNAL_INT_UNSET)
#define EDJE_EXTERNAL_PARAM_INFO_DOUBLE_DEFAULT(name, def) \
   EDJE_EXTERNAL_PARAM_INFO_DOUBLE_FULL(name, def, EDJE_EXTERNAL_DOUBLE_UNSET, EDJE_EXTERNAL_DOUBLE_UNSET, EDJE_EXTERNAL_DOUBLE_UNSET)
#define EDJE_EXTERNAL_PARAM_INFO_STRING_DEFAULT(name, def) \
   EDJE_EXTERNAL_PARAM_INFO_STRING_FULL(name, def, NULL, NULL)
#define EDJE_EXTERNAL_PARAM_INFO_BOOL_DEFAULT(name, def) \
   EDJE_EXTERNAL_PARAM_INFO_BOOL_FULL(name, def, "false", "true")

#define EDJE_EXTERNAL_PARAM_INFO_INT_DEFAULT_FLAGS(name, def, flags)    \
  EDJE_EXTERNAL_PARAM_INFO_INT_FULL_FLAGS(name, def, EDJE_EXTERNAL_INT_UNSET, EDJE_EXTERNAL_INT_UNSET, EDJE_EXTERNAL_INT_UNSET, flags)
#define EDJE_EXTERNAL_PARAM_INFO_DOUBLE_DEFAULT_FLAGS(name, def, flags) \
  EDJE_EXTERNAL_PARAM_INFO_DOUBLE_FULL_FLAGS(name, def, EDJE_EXTERNAL_DOUBLE_UNSET, EDJE_EXTERNAL_DOUBLE_UNSET, EDJE_EXTERNAL_DOUBLE_UNSET, flags)
#define EDJE_EXTERNAL_PARAM_INFO_STRING_DEFAULT_FLAGS(name, def, flags) \
  EDJE_EXTERNAL_PARAM_INFO_STRING_FULL_FLAGS(name, def, NULL, NULL, flags)
#define EDJE_EXTERNAL_PARAM_INFO_BOOL_DEFAULT_FLAGS(name, def, flags)   \
  EDJE_EXTERNAL_PARAM_INFO_BOOL_FULL_FLAGS(name, def, "false", "true", flags)

#define EDJE_EXTERNAL_PARAM_INFO_INT(name) \
   EDJE_EXTERNAL_PARAM_INFO_INT_DEFAULT(name, 0)
#define EDJE_EXTERNAL_PARAM_INFO_DOUBLE(name) \
   EDJE_EXTERNAL_PARAM_INFO_DOUBLE_DEFAULT(name, 0.0)
#define EDJE_EXTERNAL_PARAM_INFO_STRING(name) \
   EDJE_EXTERNAL_PARAM_INFO_STRING_DEFAULT(name, NULL)
#define EDJE_EXTERNAL_PARAM_INFO_BOOL(name) \
   EDJE_EXTERNAL_PARAM_INFO_BOOL_DEFAULT(name, 0)

#define EDJE_EXTERNAL_PARAM_INFO_INT_FLAGS(name, flags) \
   EDJE_EXTERNAL_PARAM_INFO_INT_DEFAULT_FLAGS(name, 0, flags)
#define EDJE_EXTERNAL_PARAM_INFO_DOUBLE_FLAGS(name, flags) \
   EDJE_EXTERNAL_PARAM_INFO_DOUBLE_DEFAULT_FLAGS(name, 0.0, flags)
#define EDJE_EXTERNAL_PARAM_INFO_STRING_FLAGS(name, flags) \
   EDJE_EXTERNAL_PARAM_INFO_STRING_DEFAULT_FLAGS(name, NULL, flags)
#define EDJE_EXTERNAL_PARAM_INFO_BOOL_FLAGS(name, flags) \
   EDJE_EXTERNAL_PARAM_INFO_BOOL_DEFAULT_FLAGS(name, 0, flags)

#define EDJE_EXTERNAL_PARAM_INFO_SENTINEL {NULL, 0, 0, {.s = {NULL, NULL, NULL}}}

#define EDJE_EXTERNAL_TYPE_ABI_VERSION (3)

/**
 * @struct _Edje_External_Type
 *
 * @brief Information about an external type to be used.
 *
 * This structure provides information on how to display and modify a
 * third party Evas_Object in Edje.
 *
 * Some function pointers are not really used by Edje, but provide
 * means for Edje users to better interact with such objects. For
 * instance, an editor may use label_get() and icon_get() to list all
 * registered external types.
 *
 * @note The function pointers provided in this structure must check
 *       for errors and invalid or out-of-range values as for
 *       performance reasons Edje will not enforce hints provided as
 *       #Edje_External_Param_Info in the member parameters_info.
 */
struct _Edje_External_Type
{
  unsigned int  abi_version; /**< always use:
                              *  - #EDJE_EXTERNAL_TYPE_ABI_VERSION to declare.
                              *  - edje_external_type_abi_version_get() to check.
                              */
  const char    *module; /**< Name of the module that holds these definitions,
                           as used in the externals {} block of a theme
                           definition. */
  const char    *module_name; /**< Canonical name of the module, for displaying
                                in edition programs, for example. */
  Evas_Object *(*add) (void *data, Evas *evas, Evas_Object *parent, const Eina_List *params, const char *part_name); /**< Creates the object to be used by Edje as the part. @p part_name is the name of the part that holds the object and can be used to forward callbacks from the object as signals from Edje. @p params is the list of #Edje_External_Param, not parsed, from the default state of the part. Parameters of type #EDJE_EXTERNAL_PARAM_FLAGS_CONSTRUCTOR should be set on
 the object here. */
  void         (*state_set) (void *data, Evas_Object *obj, const void *from_params, const void *to_params, float pos); /**< Called upon state changes, including the initial "default" 0.0 state. Parameters are the value returned by params_parse(). The @p pos parameter is a value between 0.0 and 1.0 indicating the position in time within the state transition. */
  void         (*signal_emit) (void *data, Evas_Object *obj, const char *emission, const char *source); /**< Feed a signal emitted with emission originally set as part_name:signal to this object (without the "part_name:" prefix) */
  Eina_Bool    (*param_set) (void *data, Evas_Object *obj, const Edje_External_Param *param); /**< Dynamically change a parameter of this external, called by scripts and user code. Returns @c EINA_TRUE on success */
  Eina_Bool    (*param_get) (void *data, const Evas_Object *obj, Edje_External_Param *param); /**< Dynamically fetch a parameter of this external, called by scripts and user code. Returns @c EINA_TRUE on success. (Must check parameter name and type!) */
  Evas_Object *(*content_get) (void *data, const Evas_Object *obj, const char *content); /**< Dynamically fetch a sub object of this external, called by scripts and user code. Returns @c Evas_Object * on success. (Must check parameter name and type!) */
  void        *(*params_parse) (void *data, Evas_Object *obj, const Eina_List *params); /**< Parses the list of parameters, converting into a friendly representation. Used with state_set() */
  void         (*params_free) (void *params); /**< Free parameters parsed with params_parse() */

  /* The following callbacks aren't used by Edje itself, but by UI design
     tools instead */
  const char  *(*label_get) (void *data); /**< Get a label to use to identify this EXTERNAL. (For editors) */
  const char  *(*description_get) (void *data); /**< Get a user friendly description of this EXTERNAL. (For editors) */
  Evas_Object *(*icon_add) (void *data, Evas *e); /**< Get an icon to use to identify this EXTERNAL. (For editors) */
  Evas_Object *(*preview_add) (void *data, Evas *e); /**< Get a preview of the EXTERNAL object in use. (For editors) */
  const char  *(*translate) (void *data, const char *orig); /**< called to translate parameters_info name properties for use in user interfaces that support internationalization (i18n) (For editors) */

  Edje_External_Param_Info *parameters_info; /**< An array of #Edje_External_Param_Info describing the different parameters this EXTERNAL may have. The last element in the array must be #EDJE_EXTERNAL_PARAM_INFO_SENTINEL. */
  void                     *data; /**< Private user data that will be passed to all of the class functions. */
};
typedef struct _Edje_External_Type Edje_External_Type;

/**
 * Convenience struct used to mass-register types of EXTERNAL objects.
 *
 * Used with edje_external_type_array_register().
 */
struct _Edje_External_Type_Info
{
   const char               *name; /**< The name of the type to register. */
   const Edje_External_Type *info; /**< The type definition. */
};

typedef struct _Edje_External_Type_Info Edje_External_Type_Info;

/**
 * @}
 */

/**
 * @defgroup Edje_External_Plugin_Development_Group Edje Development of External Plugins
 * @ingroup Edje_External_Group
 *
 * @brief Functions to register, unregister EXTERNAL types and develop the plugins.
 *
 * This group discusses functions useful for the development of new plugins.
 * These functions deal with the newly EXTERNAL types by registering, unregistering and manipulating them.
 *
 *
 * @{
 */

/**
 * @brief Registers a type to be used by EXTERNAL parts.
 *
 * Parts of type EXTERNAL will call user defined functions
 * to create and manipulate the object that's allocated in that part. This is
 * done by expecifying in the @c source property of the part the name of the
 * external to use, which must be one registered with this function.
 *
 * @param type_name Name to register and be known by edje's "source:"
 *        parameter of "type: EXTERNAL" parts.
 * @param type_info Meta-information describing how to interact with it.
 *
 * @return @c EINA_TRUE on success, @c EINA_FALSE on failure (like
 *         type already registered).
 *
 * @see edje_external_type_array_register()
 */
EAPI Eina_Bool    edje_external_type_register             (const char *type_name, const Edje_External_Type *type_info);

/**
 * @brief Unregisters a previously registered EXTERNAL type.
 *
 * @param type_name name to unregister. It should have been registered with
 *        edje_external_type_register() before.
 *
 * @return @c EINA_TRUE on success, @c EINA_FALSE on failure (like
 *         type_name did not exist).
 *
 * @see edje_external_type_array_unregister()
 */
EAPI Eina_Bool    edje_external_type_unregister           (const char *type_name);

/**
 * @brief Registers a batch of types and their information.
 *
 * When several types will be registered it is recommended to use this
 * function instead of several calls to edje_external_type_register(), as it
 * is faster.
 *
 * @note The contents of the array will be referenced directly for as long as
 * the type remains registered, so both the @c name and @c info in the
 * @p array must be kept alive during all this period (usually, the entire
 * program lifetime). The most common case would be to keep the array as a
 * @c static @c const type anyway.
 *
 * @param array @c NULL terminated array with type name and
 *        information. Note that type name or information are
 *        referenced directly, so they must be kept alive after
 *        this function returns!
 *
 * @return @c EINA_TRUE on success, @c EINA_FALSE on failure (like
 *         type already registered).
 *
 * @see edje_external_type_register()
 */
EAPI void         edje_external_type_array_register       (const Edje_External_Type_Info *array);

/**
 * @brief Unregisters a batch of given external type previously registered.
 *
 * @param array @c NULL terminated array, should be the same as the
 *        one used to register with edje_external_type_array_register()
 *
 * @see edje_external_type_unregister()
 */
EAPI void         edje_external_type_array_unregister     (const Edje_External_Type_Info *array);

/**
 * @brief Returns the current ABI version for Edje_External_Type structure.
 *
 * Always check this number before accessing Edje_External_Type in
 * your own software. If the number is not the same, your software may
 * access invalid memory and crash, or just get garbage values.
 *
 * @warning @b NEVER, EVER define your own Edje_External_Type using the
 *          return of this function as it will change as Edje library
 *          (libedje.so) changes, but your type definition will
 *          not. Instead, use #EDJE_EXTERNAL_TYPE_ABI_VERSION.
 *
 * Summary:
 *   - use edje_external_type_abi_version_get() to check.
 *   - use #EDJE_EXTERNAL_TYPE_ABI_VERSION to define/declare.
 *
 * @return The external ABI version the Edje library was compiled with. That
 * is, the value #EDJE_EXTERNAL_TYPE_ABI_VERSION had at that moment.
 */
EAPI unsigned int edje_external_type_abi_version_get      (void) EINA_CONST;

/**
 *
 * @return An iterator of all the registered EXTERNAL types.
 *
 * Each item in the iterator is an @c Eina_Hash_Tuple which has the type
 * of the external in the @c key and #Edje_External_Type as @c data.
 *
 * @code
 * const Eina_Hash_Tuple *tuple;
 * Eina_Iterator *itr;
 * const Eina_List *l, *modules;
 * const char *s;
 *
 * modules = edje_available_modules_get();
 * EINA_LIST_FOREACH(modules, l, s)
 *   {
 *      if (!edje_module_load(s))
 *        printf("Error loading edje module: %s\n", s);
 *   }
 *
 * itr = edje_external_iterator_get();
 * EINA_ITERATOR_FOREACH(itr, tuple)
 *   {
 *      const char *name = tuple->key;
 *      const Edje_External_Type *type = tuple->data;
 *
 *      if ((!type) ||
 *          (type->abi_version != edje_external_type_abi_version_get()))
 *        {
 *           printf("Error: invalid type %p (abi: %d, expected: %d)\n",
 *                   type, type ? type->abi_version : 0,
 *                   edje_external_type_abi_version_get());
 *           continue;
 *        }
 *
 *      printf("%s: %s (%s) label='%s' desc='%s'\n",
 *             name, type->module, type->module_name,
 *             type->label_get ? type->label_get(type->data) : "",
 *             type->description_get ? type->description_get(type->data) : "");
 *   }
 *
 * @endcode
 */
EAPI Eina_Iterator                  *edje_external_iterator_get     (void);

/**
 * @brief Convenience function to find a specific parameter in a list of them.
 *
 * @param params The list of parameters for the external
 * @param key The parameter to look for
 *
 * @return The matching #Edje_External_Param or NULL if it's not found.
 */
EAPI Edje_External_Param            *edje_external_param_find       (const Eina_List *params, const char *key);

/**
 * @brief Gets the value of the given parameter of integer type.
 *
 * Look for the @p key parameter in the @p params list and return its value in
 * @p ret. If the parameter is found and is of type
 * #EDJE_EXTERNAL_PARAM_TYPE_INT, its value will be stored in the int pointed
 * by @p ret, returning EINA_TRUE. In any other case, the function returns
 * EINA_FALSE.
 *
 * @param params List of parameters where to look
 * @param key Name of the parameter to fetch
 * @param ret Int pointer where to store the value, must not be NULL.
 *
 * @return @c EINA_TRUE if the parameter was found and is of integer type,
 * @c EINA_FALSE otherwise.
 */
EAPI Eina_Bool                       edje_external_param_int_get    (const Eina_List *params, const char *key, int *ret);

/**
 * @brief Gets the value of the given parameter of double type.
 *
 * Look for the @p key parameter in the @p params list and return its value in
 * @p ret. If the parameter is found and is of type
 * #EDJE_EXTERNAL_PARAM_TYPE_DOUBLE, its value will be stored in the double
 * pointed by @p ret, returning EINA_TRUE. In any other case, the function
 * returns EINA_FALSE.
 *
 * @param params List of parameters where to look
 * @param key Name of the parameter to fetch
 * @param ret Double pointer where to store the value, must not be NULL.
 *
 * @return @c EINA_TRUE if the parameter was found and is of double type,
 * @c EINA_FALSE otherwise.
 */
EAPI Eina_Bool                       edje_external_param_double_get (const Eina_List *params, const char *key, double *ret);

/**
 * @brief Gets the value of the given parameter of string type.
 *
 * Look for the @p key parameter in the @p params list and return its value in
 * @p ret. If the parameter is found and is of type
 * #EDJE_EXTERNAL_PARAM_TYPE_STRING, its value will be stored in the pointer
 * pointed by @p ret, returning EINA_TRUE. In any other case, the function
 * returns EINA_FALSE.
 *
 * The string stored in @p ret must not be freed or modified.
 *
 * @param params List of parameters where to look
 * @param key Name of the parameter to fetch
 * @param ret String pointer where to store the value, must not be NULL.
 *
 * @return @c EINA_TRUE if the parameter was found and is of string type,
 * @c EINA_FALSE otherwise.
 */
EAPI Eina_Bool                       edje_external_param_string_get (const Eina_List *params, const char *key, const char **ret);

/**
 * @brief Gets the value of the given parameter of boolean type.
 *
 * Look for the @p key parameter in the @p params list and return its value in
 * @p ret. If the parameter is found and is of type
 * #EDJE_EXTERNAL_PARAM_TYPE_BOOL, its value will be stored in the Eina_Bool
 * pointed by @p ret, returning EINA_TRUE. In any other case, the function
 * returns EINA_FALSE.
 *
 * @param params List of parameters where to look
 * @param key Name of the parameter to fetch
 * @param ret Eina_Bool pointer where to store the value, must not be NULL.
 *
 * @return @c EINA_TRUE if the parameter was found and is of boolean type,
 * @c EINA_FALSE otherwise.
 */
EAPI Eina_Bool                       edje_external_param_bool_get   (const Eina_List *params, const char *key, Eina_Bool *ret);

/**
 * @brief Gets the value of the given parameter of choice type.
 *
 * Look for the @p key parameter in the @p params list and return its value in
 * @p ret. If the parameter is found and is of type
 * #EDJE_EXTERNAL_PARAM_TYPE_CHOICE, its value will be stored in the string
 * pointed by @p ret, returning EINA_TRUE. In any other case, the function
 * returns EINA_FALSE.
 *
 * The string stored in @p ret must not be freed or modified.
 *
 * @param params List of parameters where to look
 * @param key Name of the parameter to fetch
 * @param ret String pointer where to store the value, must not be NULL.
 *
 * @return EINA_TRUE if the parameter was found and is of integer type,
 * EINA_FALSE otherwise.
 */
EAPI Eina_Bool                       edje_external_param_choice_get (const Eina_List *params, const char *key, const char **ret);

/**
 * @brief Gets the array of parameters information about a type given its name.
 *
 * @note the type names and other strings are static, that means they are
 *       @b NOT translated. One must use
 *       Edje_External_Type::translate() to translate those.
 *
 * @param type_name Edje external type name
 *
 * @return the NULL terminated array, or @c NULL if type is unknown or
 *         it does not have any parameter information.
 *
 * @see edje_external_type_get()
 */
EAPI const Edje_External_Param_Info *edje_external_param_info_get   (const char *type_name);

/**
 * @brief Gets the #Edje_External_Type that defines an EXTERNAL type registered with
 * the name @p type_name.
 */
EAPI const Edje_External_Type       *edje_external_type_get         (const char *type_name);

/**
 * @}
 */

/**
 * @defgroup Edje_Object_Group Edje Object
 * @ingroup Edje
 *
 * @brief This group discusses functions that deal with Edje layouts and its components
 *
 * An important thing to know about this group is that there is no
 * Edje_Object in @b code. What we refer here as object are layouts (or themes)
 * defined by groups, and parts, both declared in EDC files. They are of
 * type Evas_Object as the other native objects of Evas, but they only exist
 * in Edje, so that is why we are calling them "edje objects".
 *
 * With the Edje Object Group functions we can deal with layouts by managing
 * its aspect, content, message and signal exchange and animation, among others.
 *
 * @{
 */
/**
 * @}
 */

/**
 * @defgroup Edje_Object_Scale Edje Scale
 * @ingroup Edje_Object_Group
 *
 * @brief Functions that deal with scaling objects
 *
 * Edje allows one to build scalable interfaces. Scaling factors,
 * which are set to neutral (@c 1.0) values by default (no scaling,
 * actual sizes), are of two types: @b global and @b individual.
 *
 * Scaling affects the values of minimum/maximum @b part sizes, which
 * are @b multiplied by it. Font sizes are scaled, too.
 *
 *
 * @{
 */

/**
 * @brief Sets Edje's global scaling factor.
 *
 * @param scale The global scaling factor (the default value is @c 1.0)
 *
 * Edje's global scaling factor will affect all its objects which
 * hadn't their individual scaling factors altered from the default
 * value (which is zero). If they had it set differently, by
 * edje_object_scale_set(), that factor will @b override the global
 * one.
 *
 * @warning Only parts which, at EDC level, had the @c "scale"
 * property set to @c 1, will be affected by this function. Check the
 * complete @ref edcref "syntax reference" for EDC files.
 *
 * @see edje_scale_get().
 */
EAPI void         edje_scale_set                  (double scale);

/**
 * @brief Retrieves Edje's global scaling factor.
 *
 * @return The global scaling factor.
 *
 * This function returns Edje's global scaling factor.
 *
 * @see edje_scale_set() for more details
 *
 */
EAPI double       edje_scale_get                  (void);

/**
 * @}
 */

/**
 * @defgroup Edje_Text_Entry Edje Text Entry
 * @ingroup Edje_Part_Text
 *
 * @brief Functions that deal with text entries
 *
 * In Edje it's possible to use a text part as a entry so the user is
 * able to make inputs of text. To do so, the text part must be set
 * with a input panel that will work as a virtual keyboard.
 *
 * Some of effects can be applied to the entered text and also plenty
 * actions can be performed after any input.
 *
 * Use the functions of this section to handle the user input of text.
 *
 *
 * @{
 */

struct _Edje_Entry_Change_Info
{
   union {
        struct {
             const char *content;
             size_t pos;
             size_t plain_length; /* Number of cursor positions represented
                                     in content. */
        } insert;
        struct {
             const char *content;
             size_t start, end;
        } del;
   } change;
   Eina_Bool insert : 1; /**< True if the "change" union's "insert" is valid */
   Eina_Bool merge : 1; /**< True if can be merged with the previous one. Used for example with insertion when something is already selected. */
};

/**
 * @since 1.1.0
 */
typedef struct _Edje_Entry_Change_Info        Edje_Entry_Change_Info;

/**
 * @typedef Edje_Text_Filter_Type
 *
 * All Edje text filters type values.
 */
typedef enum _Edje_Text_Filter_Type
{
   EDJE_TEXT_FILTER_TEXT = 0,   /**< Text type filter   */
   EDJE_TEXT_FILTER_FORMAT = 1, /**< Format type filter */
   EDJE_TEXT_FILTER_MARKUP = 2  /**< Markup type filter */
} Edje_Text_Filter_Type;

enum
{
   EDJE_INPUT_PANEL_LAYOUT_NORMAL_VARIATION_NORMAL,         /**< The plain normal layout @since 1.12 */
   EDJE_INPUT_PANEL_LAYOUT_NORMAL_VARIATION_FILENAME,       /**< Filename layout. Symbols such as '/' should be disabled. @since 1.12 */
   EDJE_INPUT_PANEL_LAYOUT_NORMAL_VARIATION_PERSON_NAME     /**< The name of a person. @since 1.12 */
};

enum
{
   EDJE_INPUT_PANEL_LAYOUT_NUMBERONLY_VARIATION_NORMAL,             /**< The plain normal number layout @since 1.8 */
   EDJE_INPUT_PANEL_LAYOUT_NUMBERONLY_VARIATION_SIGNED,             /**< The number layout to allow a positive or negative sign at the start @since 1.8 */
   EDJE_INPUT_PANEL_LAYOUT_NUMBERONLY_VARIATION_DECIMAL,            /**< The number layout to allow decimal point to provide fractional value @since 1.8 */
   EDJE_INPUT_PANEL_LAYOUT_NUMBERONLY_VARIATION_SIGNED_AND_DECIMAL  /**< The number layout to allow decimal point and negative sign @since 1.8 */
};

enum
{
   EDJE_INPUT_PANEL_LAYOUT_PASSWORD_VARIATION_NORMAL,       /**< The normal password layout @since 1.12 */
   EDJE_INPUT_PANEL_LAYOUT_PASSWORD_VARIATION_NUMBERONLY    /**< The password layout to allow only number @since 1.12 */
};

/**
 * @typedef (*Edje_Text_Filter_Cb)
 * @brief Callback prototype for Edje_Text_Filter
 * @param obj The Evas_Object to filter.
 * @param type The filter type.
 * @param text The text of the filter.
 */
typedef void         (*Edje_Text_Filter_Cb)     (void *data, Evas_Object *obj, const char *part, Edje_Text_Filter_Type type, char **text);

/**
 * @typedef (*Edje_Markup_Filter_Cb)
 * @brief Callback prototype for Edje_Text_Filter
 * @param obj The Evas_Object to filter.
 * @param part Edje part name.
 * @param text The text of the filter.
 */
typedef void         (*Edje_Markup_Filter_Cb)   (void *data, Evas_Object *obj, const char *part, char **text);

/**
 * @typedef (*Edje_Item_Provider_Cb)
 * @brief Callback prototype for Edje_Item_Provider
 * @param data some data provided by user
 * @param obj The Evas_Object to filter.
 * @param part Edje part name
 * @param item Item of container
 * @return Must be an Evas_Object.
 */
typedef Evas_Object *(*Edje_Item_Provider_Cb)   (void *data, Evas_Object *obj, const char *part, const char *item);

/**
 * @brief Shows last character in password mode.
 *
 * @param password_show_last If TRUE enable last character show in password mode.
 *
 * This function enables last input to be visible when in password mode for few seconds
 * or until the next input is entered.
 *
 * The time out value is obtained by edje_password_show_last_timeout_set function.
 *
 * @see edje_password_show_last_timeout_set().
 */
EAPI void edje_password_show_last_set(Eina_Bool password_show_last);

/**
 * @brief Sets the timeout value in last show password mode.
 *
 * @param password_show_last_timeout The timeout value.
 *
 * This functions sets the time out value for which the last input entered in password
 * mode will be visible. If the time out value is less than zero, the last input entered in password mode will be always visible.
 *
 * This value can be used only when last show mode is set in password mode.
 *
 * @see edje_password_show_last_set().
 *
 */
EAPI void edje_password_show_last_timeout_set(double password_show_last_timeout);

/**
 * @}
 */

/**
 * @defgroup Edje_Object_Color_Class Edje Class: Color
 * @ingroup Edje_Object_Group
 *
 * @brief Functions that deal with Color Classes
 *
 * Sometimes we want to change the color of two or more parts equally and
 * that's when we use color classes.
 *
 * If one or more parts are assigned with a color class, when we set color
 * values to this class it will cause all these parts to have their colors
 * multiplied by the values. Setting values to a color class at a process level
 * will affect all parts with that color class, while at a object level will
 * affect only the parts inside an specified object.
 *
 * @{
 */

/**
 * @brief Sets Edje color class.
 *
 * @param color_class
 * @param r Object Red value
 * @param g Object Green value
 * @param b Object Blue value
 * @param a Object Alpha value
 * @param r2 Outline Red value
 * @param g2 Outline Green value
 * @param b2 Outline Blue value
 * @param a2 Outline Alpha value
 * @param r3 Shadow Red value
 * @param g3 Shadow Green value
 * @param b3 Shadow Blue value
 * @param a3 Shadow Alpha value
 *
 * This function sets the color values for a process level color
 * class.  This will cause all edje parts in the current process that
 * have the specified color class to have their colors multiplied by
 * these values.  (Object level color classes set by
 * edje_object_color_class_set() will override the values set by this
 * function).
 *
 * The first color is the object, the second is the text outline, and
 * the third is the text shadow. (Note that the second two only apply
 * to text parts).
 *
 * Setting color emits a signal "color_class,set" with source being
 * the given color class in all objects.
 *
 * @see edje_color_class_set().
 *
 * @note Unlike Evas, Edje colors are @b not pre-multiplied. That is,
 *       half-transparent white is 255 255 255 128.
 *
 * @return Eina_Bool, @c EINA_TRUE on success and @c EINA_FALSE on failure.
 */
EAPI Eina_Bool    edje_color_class_set            (const char *color_class, int r, int g, int b, int a, int r2, int g2, int b2, int a2, int r3, int g3, int b3, int a3);

/**
 * @brief Gets Edje color class.
 *
 * @param color_class
 * @param r Object Red value
 * @param g Object Green value
 * @param b Object Blue value
 * @param a Object Alpha value
 * @param r2 Outline Red value
 * @param g2 Outline Green value
 * @param b2 Outline Blue value
 * @param a2 Outline Alpha value
 * @param r3 Shadow Red value
 * @param g3 Shadow Green value
 * @param b3 Shadow Blue value
 * @param a3 Shadow Alpha value
 *
 * @return @c EINA_TRUE if found or @c EINA_FALSE if not found and all
 *         values are zeroed.
 *
 * This function gets the color values for a process level color
 * class. This value is the globally set and not per-object, that is,
 * the value that would be used by objects if they did not override with
 * edje_object_color_class_set().
 *
 * The first color is the object, the second is the text outline, and
 * the third is the text shadow. (Note that the second two only apply
 * to text parts).
 *
 * @see edje_color_class_set().
 *
 * @note Unlike Evas, Edje colors are @b not pre-multiplied. That is,
 *       half-transparent white is 255 255 255 128.
 */
EAPI Eina_Bool    edje_color_class_get            (const char *color_class, int *r, int *g, int *b, int *a, int *r2, int *g2, int *b2, int *a2, int *r3, int *g3, int *b3, int *a3);

/**
 * @brief Deletes edje color class.
 *
 * @param color_class
 *
 * This function deletes any values at the process level for the
 * specified color class.
 * @note Deleting the color class will revert it to the
 *       values defined in the theme file.
 *
 * Deleting the color class will emit the signal "color_class,del"
 * to all the Edje objects in the running program.
 */
EAPI void         edje_color_class_del            (const char *color_class);

/**
 * @brief Lists color classes.
 *
 * @return A list of color class names (strings). These strings and
 * the list must be free()'d by the caller.
 *
 * This function lists all color classes known about by the current
 * process.
 *
 */
EAPI Eina_List   *edje_color_class_list           (void);

/**
 * @brief Iterates over all the active class of an application.
 *
 * @return an iterator of Edje_Color_Class of the currently active color class
 *
 * This function only iterate over the Edje_Color_Class in use by
 * an application.
 *
 * @since 1.14
 */
EAPI Eina_Iterator *edje_color_class_active_iterator_new(void);

/**
 * @brief Iterates over all the color class provided by an Edje file.
 *
 * @param f The mapped edje file.
 *
 * @return an iterator of Edje_Color_Class provided by the Edje file.
 *
 * @since 1.14
 */
EAPI Eina_Iterator *edje_mmap_color_class_iterator_new(Eina_File *f);


/**
 * @}
 */

/**
 * @defgroup Edje_Object_Part Edje Part
 * @ingroup Edje_Object_Group
 *
 * @brief Functions that deal with layout components
 *
 * Parts are layout components, but as a layout, they are objects too.
 *
 * There are several types of parts, these types can be divided into two
 * main categories, the first being containers. Containers are parts
 * that are in effect a group of elements. The second group is that of
 * the elements, these part types may not contain others.
 *
 * This section has some functions specific for some types and others that
 * could be applied to any type.
 *
 * @{
 */

/**
 * @defgroup Edje_Part_Text Edje Text Part
 * @ingroup Edje_Object_Part
 *
 * @brief Functions that deal with parts of type text
 *
 * Text is an element type for parts. It's basic functionality is to
 * display a string on the layout, but a lot more things can be done
 * with texts, like string selection, setting the cursor and include
 * a input panel, where one can set a virtual keyboard to handle
 * keyboard entry easily.
 *
 * @{
 */

#define EDJE_TEXT_EFFECT_MASK_BASIC 0xf
#define EDJE_TEXT_EFFECT_BASIC_SET(x, s) \
   do { x = ((x) & ~EDJE_TEXT_EFFECT_MASK_BASIC) | (s); } while (0)

#define EDJE_TEXT_EFFECT_MASK_SHADOW_DIRECTION (0x7 << 4)
#define EDJE_TEXT_EFFECT_SHADOW_DIRECTION_SET(x, s) \
   do { x = ((x) & ~EDJE_TEXT_EFFECT_MASK_SHADOW_DIRECTION) | (s); } while (0)

/**
 * @typedef Edje_Text_Effect
 *
 * All possible text effects in Edje.
 */
typedef enum _Edje_Text_Effect
{
   EDJE_TEXT_EFFECT_NONE                = 0,  /**< None text effect value */
   EDJE_TEXT_EFFECT_PLAIN               = 1,  /**< Plain text effect value */
   EDJE_TEXT_EFFECT_OUTLINE             = 2,  /**< Outline text effect value */
   EDJE_TEXT_EFFECT_SOFT_OUTLINE        = 3,  /**< Soft outline text effect value */
   EDJE_TEXT_EFFECT_SHADOW              = 4,  /**< Shadown text effect value */
   EDJE_TEXT_EFFECT_SOFT_SHADOW         = 5,  /**< Soft shadow text effect value */
   EDJE_TEXT_EFFECT_OUTLINE_SHADOW      = 6,  /**< Outline shadow text effect value */
   EDJE_TEXT_EFFECT_OUTLINE_SOFT_SHADOW = 7,  /**< Outline soft shadow text effect value */
   EDJE_TEXT_EFFECT_FAR_SHADOW          = 8,  /**< Far shadow text effect value */
   EDJE_TEXT_EFFECT_FAR_SOFT_SHADOW     = 9,  /**< Far soft shadow text effect value */
   EDJE_TEXT_EFFECT_GLOW                = 10, /**< Glow text effect value */

   EDJE_TEXT_EFFECT_LAST                = 11, /**< Last text effect value */

   EDJE_TEXT_EFFECT_SHADOW_DIRECTION_BOTTOM_RIGHT = (0x0 << 4), /**< Bottom right shadow direction value */
   EDJE_TEXT_EFFECT_SHADOW_DIRECTION_BOTTOM       = (0x1 << 4), /**< Bottom shadow direction value */
   EDJE_TEXT_EFFECT_SHADOW_DIRECTION_BOTTOM_LEFT  = (0x2 << 4), /**< Bottom left shadow direction value */
   EDJE_TEXT_EFFECT_SHADOW_DIRECTION_LEFT         = (0x3 << 4), /**< Left shadow direction value */
   EDJE_TEXT_EFFECT_SHADOW_DIRECTION_TOP_LEFT     = (0x4 << 4), /**< Top left shadow direction value */
   EDJE_TEXT_EFFECT_SHADOW_DIRECTION_TOP          = (0x5 << 4), /**< Top shadow direction value */
   EDJE_TEXT_EFFECT_SHADOW_DIRECTION_TOP_RIGHT    = (0x6 << 4), /**< Top right shadow direction value */
   EDJE_TEXT_EFFECT_SHADOW_DIRECTION_RIGHT        = (0x7 << 4)  /**< right shadow direction value */
} Edje_Text_Effect;

/**
 * @typedef (*Edje_Text_Change_Cb)
 *
 * Callback prototype for Edje_Text_Change.
 * @param data User provided data to pass to the callback
 * @param obj The Evas_Object
 * @param part The edje part
 */
typedef void         (*Edje_Text_Change_Cb)     (void *data, Evas_Object *obj, const char *part);
/**
 * @}
 */

/**
 * @defgroup Edje_Text_Selection Edje Text Selection
 * @ingroup Edje_Part_Text
 *
 * @brief Functions that deal with selection in text parts.
 *
 * Selection is a known functionality for texts in the whole computational
 * world. It is a block of text marked for further manipulation.
 *
 * Edje is responsible for handling this functionality through the
 * following functions.
 *
 * @{
 */
/**
 * @}
 */

/**
 * @defgroup Edje_Text_Cursor Edje Text Cursor
 * @ingroup Edje_Part_Text
 *
 * @brief Functions that deal with cursor in text parts.
 *
 * Cursor is a known functionality for texts in the whole computational
 * world. It marks a position in the text from where one may want
 * to make a insertion, deletion or selection.
 *
 * Edje is responsible for handling this functionality through the
 * following functions.
 *
 * @{
 */

/**
 * @}
 */

/**
 * @defgroup Edje_Part_Swallow Edje Swallow Part
 * @ingroup Edje_Object_Part
 *
 * @brief Functions that deal with parts of type swallow and swallowed objects.
 *
 * A important feature of Edje is to be able to create Evas_Objects
 * in code and place them in a layout. And that is what swallowing
 * is all about.
 *
 * Swallow parts are place holders defined in the EDC file for
 * objects that one may want to include in the layout later, or for
 * objects that are not native of Edje. In this last case, Edje will
 * only treat the Evas_Object properties of the swallowed objects.
 *
 *
 * @{
 */

/**
 * @typedef Edje_Aspect_Control
 *
 * All Edje aspect control values.
 *
 */
typedef enum _Edje_Aspect_Control
{
   EDJE_ASPECT_CONTROL_NONE = 0,       /*< None aspect control value       */
   EDJE_ASPECT_CONTROL_NEITHER = 1,    /*< Neither aspect control value    */
   EDJE_ASPECT_CONTROL_HORIZONTAL = 2, /*< Horizontal aspect control value */
   EDJE_ASPECT_CONTROL_VERTICAL = 3,   /*< Vertical aspect control value   */
   EDJE_ASPECT_CONTROL_BOTH = 4        /*< Both aspect control value       */
} Edje_Aspect_Control;

/**
 * @}
 */

/**
 * @defgroup Edje_Object_Geometry_Group Edje Object Geometry
 * @ingroup Edje_Object_Group
 *
 * @brief Functions that deal with object's geometry.
 *
 * By geometry we mean size and position. So in this groups there are
 * functions to manipulate object's geometry or retrieve information
 * about it.
 *
 * Keep in mind that by changing an object's geometry, it may affect
 * the appearance in the screen of the parts inside. Most times
 * that is what you want.
 *
 * @{
 */
/**
 * @}
 */

/**
 * @defgroup Edje_Part_Box Edje Box Part
 * @ingroup Edje_Object_Part
 *
 * @brief Functions that deal with parts of type box.
 *
 * Box is a container type for parts, that means it can contain
 * other parts.
 *
 * @{
 */

/**
 * @brief Registers a custom layout to be used in edje boxes.
 *
 * @param name The name of the layout
 * @param func The function defining the layout
 * @param layout_data_get This function gets the custom data pointer
 * for func
 * @param layout_data_free Passed to func to free its private data
 * when needed
 * @param free_data Frees data
 * @param data Private pointer passed to layout_data_get
 *
 * This function registers custom layouts that can be referred from
 * themes by the registered name. The Evas_Object_Box_Layout
 * functions receive two pointers for internal use, one being private
 * data, and the other the function to free that data when it's not
 * longer needed. From Edje, this private data will be retrieved by
 * calling layout_data_get, and layout_data_free will be the free
 * function passed to func. layout_data_get will be called with data
 * as its parameter, and this one will be freed by free_data whenever
 * the layout is unregistered from Edje.
 */
EAPI void         edje_box_layout_register        (const char *name, Evas_Object_Box_Layout func, void *(*layout_data_get)(void *), void (*layout_data_free)(void *), void (*free_data)(void *), void *data);

/**
 * @}
 */

/**
 * @defgroup Edje_Part_Table Edje Table Part
 * @ingroup Edje_Object_Part
 *
 * @brief Functions that deal with parts of type table.
 *
 * Table is a container type for parts, that means it can contain
 * other parts.
 *
 * @{
 */

/**
 * @typedef Edje_Object_Table_Homogeneous_Mode
 *
 * Table homogeneous modes.
 *
 */
typedef enum _Edje_Object_Table_Homogeneous_Mode
{
   EDJE_OBJECT_TABLE_HOMOGENEOUS_NONE = 0,  /*< None homogeneous mode  */
   EDJE_OBJECT_TABLE_HOMOGENEOUS_TABLE = 1, /*< Table homogeneous mode */
   EDJE_OBJECT_TABLE_HOMOGENEOUS_ITEM = 2   /*< Item homogeneous mode  */
} Edje_Object_Table_Homogeneous_Mode;

/**
 * @}
 */

/**
 * @defgroup Edje_Object_Text_Class Edje Class: Text
 * @ingroup Edje_Object_Group
 * @brief Functions that deal with Text Classes.
 *
 * Sometimes we want to change the text of two or more parts equally and
 * that's when we use text classes.
 *
 * If one or more parts are assigned with a text class, when we set font
 * attributes to this class will update all these parts with the new font
 * attributes. Setting values to a text class at a process level will affect
 * all parts with that text class, while at object level will affect only
 * the parts inside an specified object.
 *
 * @{
 */

/**
 * @brief Sets the Edje text class.
 *
 * @param text_class The text class name
 * @param font The font name
 * @param size The font size
 *
 * @return @c EINA_TRUE on success, or @c EINA_FALSE on error
 *
 * This function updates all Edje members at the process level which
 * belong to this text class with the new font attributes.
 * If the @p size is 0 then the font size will be kept with the previous size.
 * If the @p size is less then 0 then the font size will be calculated in the
 * percentage. For example, if the @p size is -50, then the font size will be
 * scaled to half of the original size and if the @p size is -10 then the font
 * size will be scaled as much as 0.1x.
 *
 * @see edje_text_class_get().
 *
 */
EAPI Eina_Bool    edje_text_class_set             (const char *text_class, const char *font, Evas_Font_Size size);

/**
 * @brief Gets the font and the font size from Edje text class.
 *
 * @param text_class The text class name
 * @param font The font name
 * @param size The font size
 *
 * @return @c EINA_TRUE on success, or @c EINA_FALSE on error
 *
 * This function gets the font and the font name from the specified Edje
 * text class. The font string will only be valid until the text class is
 * changed or edje is shut down.
 * @see edje_text_class_set().
 *
 * @since 1.14
 */
EAPI Eina_Bool    edje_text_class_get             (const char *text_class, const char **font, Evas_Font_Size *size);

/**
 * @brief Deletes the text class.
 *
 * @param text_class The text class name string
 *
 * This function deletes any values at the process level for the
 * specified text class.
 *
 */
EAPI void         edje_text_class_del             (const char *text_class);

/**
 * @brief Lists text classes.
 *
 * @return A list of text class names (strings). These strings are
 * stringshares and the list must be free()'d by the caller.
 *
 * This function lists all text classes known about by the current
 * process.
 *
 */
EAPI Eina_List   *edje_text_class_list            (void);

/**
 * @brief Iterate over all active classes of an application.
 *
 * @return an iterator of Edje_Text_Class of the currently active text class
 *
 * This function only iterates over the Edje_Text_Class in use by
 * an application.
 *
 * @since 1.17
 *
 */
EAPI Eina_Iterator *edje_text_class_active_iterator_new(void);

/**
 * @brief Iterate over all text classes provided by an Edje file.
 *
 * @param f The mapped edje file.
 *
 * @return an iterator of Edje_Text_Class provided by the Edje file.
 *
 * @since 1.17
 *
 */
EAPI Eina_Iterator *edje_mmap_text_class_iterator_new(Eina_File *f);

/**
 * @}
 */

/**
 * @defgroup Edje_Object_Size_Class Edje Class: Size
 * @ingroup Edje_Object_Group
 *
 * @brief Functions that deal with Size Classes
 *
 * Sometimes we want to change the size of two or more parts equally and
 * that's when we use size classes.
 *
 * If one or more parts are assigned with a size class, when we set attributes
 * (minw etc.) to this class will update all these parts with the new attributes.
 * Setting values to a size class at a process level will affect
 * all parts with that size class, while at object level will affect only
 * the parts inside an specified object.
 *
 * @{
 */

/**
 * @brief Sets the Edje size class.
 *
 * @param size_class The size class name
 * @param minw The min width
 * @param minh The min height
 * @param maxw The max width
 * @param maxh The max height
 *
 * @return @c EINA_TRUE on success, or @c EINA_FALSE on error
 *
 * This function updates all Edje members at the process level which
 * belong to this size class with the new min and max attributes.
 *
 * @see edje_size_class_get().
 *
 * @since 1.17
 */
EAPI Eina_Bool    edje_size_class_set             (const char *size_class, Evas_Coord minw, Evas_Coord minh, Evas_Coord maxw, Evas_Coord maxh);

/**
 * @brief Gets the Edje size class.
 *
 * @param size_class The size class name
 * @param minw The min width
 * @param minh The min height
 * @param maxw The max width
 * @param maxh The max height
 *
 * @return @c EINA_TRUE on success, or @c EINA_FALSE on error
 *
 * This function gets the min and max size from the specified Edje
 * size class.
 *
 * @since 1.17
 */
EAPI Eina_Bool    edje_size_class_get             (const char *size_class, Evas_Coord *minw, Evas_Coord *minh, Evas_Coord *maxw, Evas_Coord *maxh);

/**
 * @brief Deletes the size class.
 *
 * @param size_class The size class name
 *
 * This function deletes any values at the process level for the
 * specified size class.
 *
 * @since 1.17
 */
EAPI void         edje_size_class_del             (const char *size_class);

/**
 * @brief Lists size classes.
 *
 * @return A list of size class names (strings). These strings are
 * stringshares and the list must be eina_stringshare_del()'ed by the caller.
 *
 * This function lists all size classes known about by the current
 * process.
 *
 * @since 1.17
 */
EAPI Eina_List   *edje_size_class_list            (void);

/**
 * @brief Iterates over all active classes of an application.
 *
 * @return An iterator of Edje_Size_Class of the currently active size class
 *
 * This function only iterates over the Edje_Size_Class in use by
 * an application.
 *
 * @since 1.17
 */
EAPI Eina_Iterator *edje_size_class_active_iterator_new(void);

/**
 * @brief Iterates over all size classes provided by an Edje file.
 *
 * @param f The mapped edje file.
 *
 * @return an iterator of Edje_Size_Class provided by the Edje file.
 *
 * @since 1.17
 */
EAPI Eina_Iterator *edje_mmap_size_class_iterator_new(Eina_File *f);

/**
 * @}
 */

/**
 * @defgroup Edje_Object_File Edje Object File
 * @ingroup Edje_Object_Group
 *
 * @brief Functions to deals with EDJ files.
 *
 * Layouts in Edje are usually called themes and they are
 * created using the EDC language. The EDC language is declarative
 * and must be compiled before being used. The output of this
 * compilation is an EDJ file, this file can be loaded by Edje,
 * and the result is a edje object.
 *
 * This groups of functions interact with these EDJ files,
 * either by loading them or retrieving information of the EDC
 * file about objects.
 *
 * @{
 */

/**
 * @brief Gets a list of groups in an edje mapped file.
 * @param f The mapped file
 *
 * @return The Eina_List of group names (char *)
 *
 * Note: the list must be freed using edje_mmap_collection_list_free()
 * when you are done with it.
 */
EAPI Eina_List        *edje_mmap_collection_list(Eina_File *f);

/**
 * @brief Frees file collection list.
 * @param lst The Eina_List of groups
 *
 * Frees the list returned by edje_mmap_collection_list().
 */
EAPI void              edje_mmap_collection_list_free(Eina_List *lst);

/**
 * @brief Determines whether a group matching glob exists in an edje mapped file.
 * @param f The mapped file
 * @param glob A glob to match on
 *
 * @return @c 1 if a match is found, @c 0 otherwise
 */
EAPI Eina_Bool         edje_mmap_group_exists(Eina_File *f, const char *glob);

/**
 * @brief Determines whether a group have 3D Scene.
 * @param f The mapped file
 * @param glob The group name
 *
 * @return @c 1 if a Scene is found is found, @c 0 otherwise
 *
 * @since 1.18
 */
EAPI Eina_Bool         edje_mmap_3d_has(Eina_File *f, const char *group);

/**
 * @brief Iterates over all the opened Edje file.
 *
 * @return an iterator of Eina_File currently opened Edje file.
 *
 * @since 1.14
 */
EAPI Eina_Iterator *edje_file_iterator_new(void);

/**
 * @brief Gets a list of groups in an edje file.
 * @param file The path to the edje file
 *
 * @return The Eina_List of group names (char *)
 * @see edje_mmap_collection_list()
 *
 * Note: the list must be freed using edje_file_collection_list_free()
 * when you are done with it.
 *
 * @see edje_mmap_group_exists()
 */
EAPI Eina_List        *edje_file_collection_list  (const char *file);

/**
 * @brief Frees file collection list.
 * @param lst The Eina_List of groups
 *
 * Frees the list returned by edje_file_collection_list().
 */
EAPI void             edje_file_collection_list_free (Eina_List *lst);

/**
 * @brief Determines whether a group matching glob exists in an edje file.
 * @param file The file path
 * @param glob A glob to match on
 *
 * @return @c 1 if a match is found, @c 0 otherwise
 */
EAPI Eina_Bool        edje_file_group_exists      (const char *file, const char *glob);

/**
 * @}
 */

/**
 * @defgroup Edje_Object_Animation Edje Object Animation
 * @ingroup Edje_Object_Group
 * @brief Functions that deal with animations.
 *
 * Edje has the ability to animate objects. One can start, stop, play,
 * pause, freeze, and thaw edje animations using the functions of this section.
 *
 * @{
 */

/**
 * @typedef Edje_Tween_Mode
 *
 * Available tween mode for edje animations.
 */
typedef enum _Edje_Tween_Mode
{
   EDJE_TWEEN_MODE_NONE              = 0,        /**< None tween mode value */
   EDJE_TWEEN_MODE_LINEAR            = 1,        /**< Linear tween mode value */
   EDJE_TWEEN_MODE_SINUSOIDAL        = 2,        /**< Sinusoidal tween mode value */
   EDJE_TWEEN_MODE_ACCELERATE        = 3,        /**< Accelerate tween mode value */
   EDJE_TWEEN_MODE_DECELERATE        = 4,        /**< Decelerate tween mode value */
   EDJE_TWEEN_MODE_ACCELERATE_FACTOR = 5,        /**< Accelerate factor tween mode value */
   EDJE_TWEEN_MODE_DECELERATE_FACTOR = 6,        /**< Decelerate factor tween mode value */
   EDJE_TWEEN_MODE_SINUSOIDAL_FACTOR = 7,        /**< Sinusoidal factgor tween mode value */
   EDJE_TWEEN_MODE_DIVISOR_INTERP    = 8,        /**< Divisor iterp tween mode value */
   EDJE_TWEEN_MODE_BOUNCE            = 9,        /**< Bounce tween mode value */
   EDJE_TWEEN_MODE_SPRING            = 10,       /**< Spring tween mode value */
   EDJE_TWEEN_MODE_CUBIC_BEZIER      = 11,       /**< Cubic Bezier tween mode value */
   EDJE_TWEEN_MODE_LAST              = 12,       /**< Last tween mode value */
   EDJE_TWEEN_MODE_MASK              = 0xff,     /**< Mask tween mode value */
   EDJE_TWEEN_MODE_OPT_FROM_CURRENT  = (1 << 31) /**< Options from current tween mode value */
} Edje_Tween_Mode;

/**
 * @typedef Edje_Action_Type
 *
 * All actions available in Edje programs.
 *
 */
typedef enum _Edje_Action_Type
{
   EDJE_ACTION_TYPE_NONE                     = 0,  /**< None action value */
   EDJE_ACTION_TYPE_STATE_SET                = 1,  /**< State set action value */
   EDJE_ACTION_TYPE_ACTION_STOP              = 2,  /**< Action stop action value */
   EDJE_ACTION_TYPE_SIGNAL_EMIT              = 3,  /**< Signal emit action value */
   EDJE_ACTION_TYPE_DRAG_VAL_SET             = 4,  /**< Drag val set action value */
   EDJE_ACTION_TYPE_DRAG_VAL_STEP            = 5,  /**< Drag val step action value */
   EDJE_ACTION_TYPE_DRAG_VAL_PAGE            = 6,  /**< Drag val page action value */
   EDJE_ACTION_TYPE_SCRIPT                   = 7,  /**< Script action value */
   EDJE_ACTION_TYPE_FOCUS_SET                = 8,  /**< Focus set action value */
   EDJE_ACTION_TYPE_RESERVED00               = 9,  /**< Reversed do action value */
   EDJE_ACTION_TYPE_FOCUS_OBJECT             = 10, /**< Forcus object action value */
   EDJE_ACTION_TYPE_PARAM_COPY               = 11, /**< Param copy action value */
   EDJE_ACTION_TYPE_PARAM_SET                = 12, /**< Param set action value */
   EDJE_ACTION_TYPE_SOUND_SAMPLE             = 13, /**< @since 1.1 @brief Sound sample action value */
   EDJE_ACTION_TYPE_SOUND_TONE               = 14, /**< @since 1.1 @brief Sound tone action value */
   EDJE_ACTION_TYPE_PHYSICS_IMPULSE          = 15, /**< @since 1.8 @brief Physics impulse action value */
   EDJE_ACTION_TYPE_PHYSICS_TORQUE_IMPULSE   = 16, /**< @since 1.8 @brief Physics torque impulse action value */
   EDJE_ACTION_TYPE_PHYSICS_FORCE            = 17, /**< @since 1.8 @brief Physics force action value */
   EDJE_ACTION_TYPE_PHYSICS_TORQUE           = 18, /**< @since 1.8 @brief Physics torque action value */
   EDJE_ACTION_TYPE_PHYSICS_FORCES_CLEAR     = 19, /**< @since 1.8 @brief Physics forces clear action value */
   EDJE_ACTION_TYPE_PHYSICS_VEL_SET          = 20, /**< @since 1.8 @brief Physics velocity set action value */
   EDJE_ACTION_TYPE_PHYSICS_ANG_VEL_SET      = 21, /**< @since 1.8 @brief Physics angle velocity set action value */
   EDJE_ACTION_TYPE_PHYSICS_STOP             = 22, /**< @since 1.8 @brief Physics stop action value */
   EDJE_ACTION_TYPE_PHYSICS_ROT_SET          = 23, /**< @since 1.8 @brief Physics rotation set action value */
   EDJE_ACTION_TYPE_VIBRATION_SAMPLE         = 24, /**< @since 1.10 @brief vibration sample action value */
   EDJE_ACTION_TYPE_MO                       = 25, /**< @since 1.15 @brief Mo action value */
   EDJE_ACTION_TYPE_LAST                     = 26  /**< Last action value */
} Edje_Action_Type;

/**
 * @brief Sets edje transitions' frame time.
 *
 * @param t The frame time, in seconds. Default value is 1/30.
 *
 * This function sets the edje built-in animations' frame time (thus,
 * affecting their resolution) by calling
 * ecore_animator_frametime_set(). This frame time can be retrieved
 * with edje_frametime_get().
 *
 * @see edje_frametime_get()
 *
 */
EAPI void         edje_frametime_set              (double t);

/**
 * @brief Gets edje transitions' frame time.
 *
 * @return The frame time, in seconds.
 *
 * This function returns the edje frame time set by
 * edje_frametime_set() or the default value 1/30.
 *
 * @see edje_frametime_set()
 *
 */
EAPI double       edje_frametime_get              (void);

/**
 * @brief Freezes Edje objects.
 *
 * This function freezes all Edje animations in the current process.
 *
 * @note: for freeze a specific object @see edje_object_freeze().
 *
 * @see edje_thaw()
 *
 */
EAPI void         edje_freeze                     (void);

/**
 * @brief Thaws Edje objects.
 *
 * This function thaws all Edje animations in the current process.
 *
 * @note for thaw a specific object @see edje_object_thaw().
 *
 * @see edje_freeze()
 *
 */
EAPI void         edje_thaw                       (void);

/**
 * @brief Sets Edje language.
 *
 * @param locale The locale specifier.
 *
 * This function sets the given language.
 *
 * @note: emits signal edje,language,"locale".
 *
 * @since 1.15
 */
EAPI void         edje_language_set               (const char *locale);

/**
 * @brief Sets edje transition duration factor.
 *
 * @param scale The edje transition's duration factor (the default value is @c 1.0)
 *
 * This function sets the edje transition duration factor
 * It will affect the speed of transitions
 * which had the @c use_duration_factor property set to @1.
 * The default value of @c use_duration_factor property is @c zero,
 * but can be changed by @p "USE_DURATION_FACTOR 1" or @p "USE_DURATION_FACTOR 0"
 * as parameter of @c "TRANSITION" property at EDC level.
 * If the parameter is @p "USE_DURATION_FACTOR 0" or not mentioned about @p "USE_DURATION_FACTOR",
 * the duration of transition keeps original duration
 *
 * @warning The transition's duration factor cannot be set on each translation.
 * If you use this function, it will affect transitions globally
 *
 * @see edje_transition_duration_factor_get()
 *
 * @since 1.15
 */
EAPI void         edje_transition_duration_factor_set        (double scale);

/**
 * @brief Retrieves transitions duration factor.
 *
 * @return The edje transition duration factor
 *
 * This function returns the edje transition duration factor.
 *
 * @see edje_transition_duration_set() for more details
 *
 * @since 1.15
 *
 */
EAPI double       edje_transition_duration_factor_get                  (void);

/**
 * @}
 */

/**
 * @defgroup Edje_Object_Communication_Interface_Message Edje Communication Interface: Message
 * @ingroup Edje_Object_Group
 *
 * @brief Functions that deal with messages.
 *
 * Edje has two communication interfaces between @b code and @b theme.
 * Signals and messages.
 *
 * Edje messages are one of the communication interfaces between
 * @b code and a given Edje object's @b theme. With messages, one can
 * communicate values like strings, float numbers and integer
 * numbers. Moreover, messages can be identified by integer
 * numbers. See #Edje_Message_Type for the full list of message types.
 *
 * @note Messages must be handled by scripts.
 *
 * @{
 */

/**
 * @brief Processes all queued up edje messages.
 *
 * This function triggers the processing of messages addressed to any
 * (alive) edje objects.
 *
 */
EAPI void         edje_message_signal_process             (void);

/**
 * @}
 */

/**
 * @defgroup Edje_Perspective Edje Perspective
 * @ingroup Edje_Object_Group
 *
 * @brief Functions that deal with 3D projection of an 2D object.
 *
 * Perspective is a graphical tool that makes objets represented in 2D
 * look like they have a 3D appearance.
 *
 * Edje allows us to use perspective on any edje object. This group of
 * functions deal with the use of perspective, by creating and configuring
 * a perspective object that must set to a edje object or a canvas,
 * affecting all the objects inside that have no particular perspective
 * set already.
 *
 * @{
 */

/**
 * @brief Creates a new perspective in the given canvas.
 *
 * @param e The given canvas (Evas).
 * @return An @ref Edje_Perspective object for this canvas, or @c NULL on errors.
 *
 * This function creates a perspective object that can be set on an Edje
 * object, or globally to all Edje objects on this canvas.
 *
 * @see edje_perspective_set()
 * @see edje_perspective_free()
 */
EAPI Edje_Perspective       *edje_perspective_new            (Evas *e);
/**
 * @brief Deletes the given perspective object.
 *
 * @param ps A valid perspective object, or @c NULL.
 *
 * This function will delete the perspective object. If the perspective
 * effect was being applied to any Edje object or part, this effect won't be
 * applied anymore.
 *
 * @see edje_perspective_new()
 */
EAPI void                    edje_perspective_free           (Edje_Perspective *ps);
/**
 * @brief Sets up the transform for this perspective object.
 *
 * This sets the parameters of the perspective transformation. X, Y and Z
 * values are used. The px and py points specify the "infinite distance" point
 * in the 3D conversion (where all lines converge to like when artists draw
 * 3D by hand). The @p z0 value specifies the z value at which there is a 1:1
 * mapping between spatial coordinates and screen coordinates. Any points
 * on this z value will not have their X and Y values modified in the transform.
 * Those further away (Z value higher) will shrink into the distance, and
 * those less than this value will expand and become bigger. The @p foc value
 * determines the "focal length" of the camera. This is in reality the distance
 * between the camera lens plane itself (at or closer than this rendering
 * results are undefined) and the "z0" z value. This allows for some "depth"
 * control and @p foc must be greater than 0.
 *
 * @param ps The perspective object
 * @param px The perspective distance X coordinate
 * @param py The perspective distance Y coordinate
 * @param z0 The "0" z plane value
 * @param foc The focal distance
 */
EAPI void                    edje_perspective_set            (Edje_Perspective *ps, Evas_Coord px, Evas_Coord py, Evas_Coord z0, Evas_Coord foc);
/**
 * @brief Makes this perspective object be global for its canvas.
 *
 * @param ps The given perspective object
 * @param global @c EINA_TRUE if the perspective should be global, @c
 * EINA_FALSE otherwise.
 *
 * The canvas which this perspective object is being set as global is the one
 * given as argument upon the object creation (the @p evas parameter on the
 * function @c edje_perspective_new(evas) ).
 *
 * There can be only one global perspective object set per canvas, and if
 * a perspective object is set to global when there was already another
 * global perspective set, the old one will be set as non-global.
 *
 * A global perspective just affects a part if its Edje object doesn't have a
 * perspective object set to it, and if the part doesn't point to another
 * part to be used as perspective.
 *
 * @see edje_object_perspective_set()
 * @see edje_perspective_global_get()
 * @see edje_perspective_new()
 */
EAPI void                    edje_perspective_global_set     (Edje_Perspective *ps, Eina_Bool global);
/**
 * @brief Gets whether the given perspective object is global or not.
 *
 * @param ps The given perspective object.
 * @return @c EINA_TRUE if this perspective object is global, @c EINA_FALSE
 * otherwise.
 *
 * @see edje_perspective_global_set()
 */
EAPI Eina_Bool               edje_perspective_global_get     (const Edje_Perspective *ps);
/**
 * @brief Gets the global perspective object set for this canvas.
 *
 * @param e The given canvas (Evas).
 * @return The perspective object set as global for this canvas. Or @c NULL
 * if there is no global perspective set and on errors.
 *
 * This function will return the perspective object that was set as global
 * with edje_perspective_global_set().
 *
 * @see edje_perspective_global_set()
 * @see edje_perspective_global_get()
 */
EAPI const Edje_Perspective *edje_evas_global_perspective_get(const Evas *e);
/**
 * @}
 */

/**
 * @defgroup Edje_Audio Edje Audio
 * @ingroup Edje
 *
 * @brief Functions to manipulate audio abilities in edje.
 *
 * Perspective is a graphical tool that makes objets represented in 2D
 * look like they have a 3D appearance.
 *
 * Edje allows us to use perspective on any edje object. This group of
 * functions deal with the use of perspective, by creating and configuring
 * a perspective object that must set to a edje object or a canvas,
 * affecting all the objects inside that have no particular perspective
 * set already.
 *
 * @{
 */

/**
 * Identifiers of Edje message types, which can be sent back and forth
 * code and a given Edje object's theme file/group.
 *
 * @see edje_audio_channel_mute_set()
 * @see edje_audio_channel_mute_get()
 *
 * @since 1.9
 */
typedef enum _Edje_Channel
{
   EDJE_CHANNEL_EFFECT = 0, /**< Standard audio effects */
   EDJE_CHANNEL_BACKGROUND = 1, /**< Background audio sounds  */
   EDJE_CHANNEL_MUSIC = 2, /**< Music audio */
   EDJE_CHANNEL_FOREGROUND = 3, /**< Foreground audio sounds */
   EDJE_CHANNEL_INTERFACE = 4, /**< Sounds related to the interface */
   EDJE_CHANNEL_INPUT = 5, /**< Sounds related to regular input */
   EDJE_CHANNEL_ALERT = 6, /**< Sounds for major alerts */
   EDJE_CHANNEL_ALL = 7 /**< All audio channels (convenience) */
} Edje_Channel;

/**
 * @brief Sets the mute state of audio for the process as a whole.
 *
 * @param channel The channel to set the mute state of
 * @param mute The mute state
 *
 * This sets the mute (no output) state of audio for the given channel.
 *
 * @see edje_audio_channel_mute_get()
 *
 * @since 1.9
 */
EAPI void edje_audio_channel_mute_set(Edje_Channel channel, Eina_Bool mute);

/**
 * @brief Gets the mute state of the given channel.
 *
 * @param channel The channel to get the mute state of
 * @return The mute state of the channel
 *
 * @see edje_audio_channel_mute_set()
 *
 * @since 1.9
 */
EAPI Eina_Bool edje_audio_channel_mute_get(Edje_Channel channel);

/**
 * @brief Gets the part name of an edje part object.
 * @param obj An edje part object
 * @return The name of the part, if the object is an edje part, or @c NULL
 * @note If this function returns @c NULL, @p obj was not an Edje part object
 * @see edje_object_part_object_get()
 * @since 1.10
 */
EAPI const char *edje_object_part_object_name_get(const Evas_Object *obj);

#ifdef EFL_BETA_API_SUPPORT

/**
 * @brief Creates scene and root node which contains all 3D parts of edje object.
 * @param obj An edje part object
 * @param root node to collect all 3D parts
 * @param scene
 * @return scene and root node which contains all 3D parts of edje object
 * @note If this function returns @c EINA_FALSE, @p the scene or the root
 * node wasn't made
 * @since 1.18
 */
EAPI Eina_Bool edje_3d_object_add(Evas_Object *obj, Eo **root_node, Eo *scene);

#endif

/**
 * @}
 */