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author | David Walter Seikel | 2012-01-04 18:41:13 +1000 |
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committer | David Walter Seikel | 2012-01-04 18:41:13 +1000 |
commit | dd7595a3475407a7fa96a97393bae8c5220e8762 (patch) | |
tree | e341e911d7eb911a51684a7412ef7f7c7605d28e /libraries/evas/src/lib/canvas/evas_object_grid.c | |
parent | Add the skeleton. (diff) | |
download | SledjHamr-dd7595a3475407a7fa96a97393bae8c5220e8762.zip SledjHamr-dd7595a3475407a7fa96a97393bae8c5220e8762.tar.gz SledjHamr-dd7595a3475407a7fa96a97393bae8c5220e8762.tar.bz2 SledjHamr-dd7595a3475407a7fa96a97393bae8c5220e8762.tar.xz |
Add the base Enlightenment Foundation Libraries - eina, eet, evas, ecore, embryo, and edje.
Note that embryo wont be used, but I'm not sure yet if you can build edje without it.
Diffstat (limited to '')
-rw-r--r-- | libraries/evas/src/lib/canvas/evas_object_grid.c | 465 |
1 files changed, 465 insertions, 0 deletions
diff --git a/libraries/evas/src/lib/canvas/evas_object_grid.c b/libraries/evas/src/lib/canvas/evas_object_grid.c new file mode 100644 index 0000000..ac96f04 --- /dev/null +++ b/libraries/evas/src/lib/canvas/evas_object_grid.c | |||
@@ -0,0 +1,465 @@ | |||
1 | #include <errno.h> | ||
2 | #include "evas_common.h" | ||
3 | |||
4 | typedef struct _Evas_Object_Grid_Data Evas_Object_Grid_Data; | ||
5 | typedef struct _Evas_Object_Grid_Option Evas_Object_Grid_Option; | ||
6 | typedef struct _Evas_Object_Grid_Iterator Evas_Object_Grid_Iterator; | ||
7 | typedef struct _Evas_Object_Grid_Accessor Evas_Object_Grid_Accessor; | ||
8 | |||
9 | struct _Evas_Object_Grid_Option | ||
10 | { | ||
11 | Evas_Object *obj; | ||
12 | Eina_List *l; | ||
13 | int x, y, w, h; | ||
14 | }; | ||
15 | |||
16 | struct _Evas_Object_Grid_Data | ||
17 | { | ||
18 | Evas_Object_Smart_Clipped_Data base; | ||
19 | Eina_List *children; | ||
20 | struct { | ||
21 | int w, h; | ||
22 | } size; | ||
23 | Eina_Bool is_mirrored : 1; | ||
24 | }; | ||
25 | |||
26 | struct _Evas_Object_Grid_Iterator | ||
27 | { | ||
28 | Eina_Iterator iterator; | ||
29 | |||
30 | Eina_Iterator *real_iterator; | ||
31 | const Evas_Object *grid; | ||
32 | }; | ||
33 | |||
34 | struct _Evas_Object_Grid_Accessor | ||
35 | { | ||
36 | Eina_Accessor accessor; | ||
37 | |||
38 | Eina_Accessor *real_accessor; | ||
39 | const Evas_Object *grid; | ||
40 | }; | ||
41 | |||
42 | #define EVAS_OBJECT_GRID_DATA_GET(o, ptr) \ | ||
43 | Evas_Object_Grid_Data *ptr = evas_object_smart_data_get(o) | ||
44 | |||
45 | #define EVAS_OBJECT_GRID_DATA_GET_OR_RETURN(o, ptr) \ | ||
46 | EVAS_OBJECT_GRID_DATA_GET(o, ptr); \ | ||
47 | if (!ptr) \ | ||
48 | { \ | ||
49 | CRIT("no widget data for object %p (%s)", \ | ||
50 | o, evas_object_type_get(o)); \ | ||
51 | abort(); \ | ||
52 | return; \ | ||
53 | } | ||
54 | |||
55 | #define EVAS_OBJECT_GRID_DATA_GET_OR_RETURN_VAL(o, ptr, val) \ | ||
56 | EVAS_OBJECT_GRID_DATA_GET(o, ptr); \ | ||
57 | if (!ptr) \ | ||
58 | { \ | ||
59 | CRIT("No widget data for object %p (%s)", \ | ||
60 | o, evas_object_type_get(o)); \ | ||
61 | abort(); \ | ||
62 | return val; \ | ||
63 | } | ||
64 | |||
65 | static const char EVAS_OBJECT_GRID_OPTION_KEY[] = "|EvGd"; | ||
66 | |||
67 | static Eina_Bool | ||
68 | _evas_object_grid_iterator_next(Evas_Object_Grid_Iterator *it, void **data) | ||
69 | { | ||
70 | Evas_Object_Grid_Option *opt; | ||
71 | |||
72 | if (!eina_iterator_next(it->real_iterator, (void **)&opt)) | ||
73 | return EINA_FALSE; | ||
74 | if (data) *data = opt->obj; | ||
75 | return EINA_TRUE; | ||
76 | } | ||
77 | |||
78 | static Evas_Object * | ||
79 | _evas_object_grid_iterator_get_container(Evas_Object_Grid_Iterator *it) | ||
80 | { | ||
81 | return (Evas_Object *)it->grid; | ||
82 | } | ||
83 | |||
84 | static void | ||
85 | _evas_object_grid_iterator_free(Evas_Object_Grid_Iterator *it) | ||
86 | { | ||
87 | eina_iterator_free(it->real_iterator); | ||
88 | free(it); | ||
89 | } | ||
90 | |||
91 | static Eina_Bool | ||
92 | _evas_object_grid_accessor_get_at(Evas_Object_Grid_Accessor *it, unsigned int idx, void **data) | ||
93 | { | ||
94 | Evas_Object_Grid_Option *opt = NULL; | ||
95 | |||
96 | if (!eina_accessor_data_get(it->real_accessor, idx, (void **)&opt)) | ||
97 | return EINA_FALSE; | ||
98 | if (data) *data = opt->obj; | ||
99 | return EINA_TRUE; | ||
100 | } | ||
101 | |||
102 | static Evas_Object * | ||
103 | _evas_object_grid_accessor_get_container(Evas_Object_Grid_Accessor *it) | ||
104 | { | ||
105 | return (Evas_Object *)it->grid; | ||
106 | } | ||
107 | |||
108 | static void | ||
109 | _evas_object_grid_accessor_free(Evas_Object_Grid_Accessor *it) | ||
110 | { | ||
111 | eina_accessor_free(it->real_accessor); | ||
112 | free(it); | ||
113 | } | ||
114 | |||
115 | static Evas_Object_Grid_Option * | ||
116 | _evas_object_grid_option_get(Evas_Object *o) | ||
117 | { | ||
118 | return evas_object_data_get(o, EVAS_OBJECT_GRID_OPTION_KEY); | ||
119 | } | ||
120 | |||
121 | static void | ||
122 | _evas_object_grid_option_set(Evas_Object *o, const Evas_Object_Grid_Option *opt) | ||
123 | { | ||
124 | evas_object_data_set(o, EVAS_OBJECT_GRID_OPTION_KEY, opt); | ||
125 | } | ||
126 | |||
127 | static Evas_Object_Grid_Option * | ||
128 | _evas_object_grid_option_del(Evas_Object *o) | ||
129 | { | ||
130 | return evas_object_data_del(o, EVAS_OBJECT_GRID_OPTION_KEY); | ||
131 | } | ||
132 | |||
133 | static void | ||
134 | _on_child_del(void *data, Evas *evas __UNUSED__, Evas_Object *child, void *einfo __UNUSED__) | ||
135 | { | ||
136 | Evas_Object *grid = data; | ||
137 | evas_object_grid_unpack(grid, child); | ||
138 | } | ||
139 | |||
140 | static void | ||
141 | _evas_object_grid_child_connect(Evas_Object *o, Evas_Object *child) | ||
142 | { | ||
143 | evas_object_event_callback_add | ||
144 | (child, EVAS_CALLBACK_DEL, _on_child_del, o); | ||
145 | } | ||
146 | |||
147 | static void | ||
148 | _evas_object_grid_child_disconnect(Evas_Object *o, Evas_Object *child) | ||
149 | { | ||
150 | evas_object_event_callback_del_full | ||
151 | (child, EVAS_CALLBACK_DEL, _on_child_del, o); | ||
152 | } | ||
153 | |||
154 | EVAS_SMART_SUBCLASS_NEW("Evas_Object_Grid", _evas_object_grid, | ||
155 | Evas_Smart_Class, Evas_Smart_Class, | ||
156 | evas_object_smart_clipped_class_get, NULL) | ||
157 | |||
158 | static void | ||
159 | _evas_object_grid_smart_add(Evas_Object *o) | ||
160 | { | ||
161 | EVAS_SMART_DATA_ALLOC(o, Evas_Object_Grid_Data) | ||
162 | |||
163 | priv->size.w = 100; | ||
164 | priv->size.h = 100; | ||
165 | |||
166 | _evas_object_grid_parent_sc->add(o); | ||
167 | } | ||
168 | |||
169 | static void | ||
170 | _evas_object_grid_smart_del(Evas_Object *o) | ||
171 | { | ||
172 | EVAS_OBJECT_GRID_DATA_GET(o, priv); | ||
173 | Eina_List *l; | ||
174 | |||
175 | l = priv->children; | ||
176 | while (l) | ||
177 | { | ||
178 | Evas_Object_Grid_Option *opt = l->data; | ||
179 | _evas_object_grid_child_disconnect(o, opt->obj); | ||
180 | _evas_object_grid_option_del(opt->obj); | ||
181 | free(opt); | ||
182 | l = eina_list_remove_list(l, l); | ||
183 | } | ||
184 | _evas_object_grid_parent_sc->del(o); | ||
185 | } | ||
186 | |||
187 | static void | ||
188 | _evas_object_grid_smart_resize(Evas_Object *o, Evas_Coord w, Evas_Coord h) | ||
189 | { | ||
190 | Evas_Coord ow, oh; | ||
191 | evas_object_geometry_get(o, NULL, NULL, &ow, &oh); | ||
192 | if ((ow == w) && (oh == h)) return; | ||
193 | evas_object_smart_changed(o); | ||
194 | } | ||
195 | |||
196 | static void | ||
197 | _evas_object_grid_smart_calculate(Evas_Object *o) | ||
198 | { | ||
199 | Eina_List *l; | ||
200 | Evas_Object_Grid_Option *opt; | ||
201 | Evas_Coord x, y, w, h, vw, vh, t; | ||
202 | Eina_Bool mirror; | ||
203 | |||
204 | EVAS_OBJECT_GRID_DATA_GET_OR_RETURN(o, priv); | ||
205 | if (!priv) return; | ||
206 | if (!priv->children) return; | ||
207 | evas_object_geometry_get(o, &x, &y, &w, &h); | ||
208 | mirror = priv->is_mirrored; | ||
209 | vw = priv->size.w; | ||
210 | vh = priv->size.h; | ||
211 | EINA_LIST_FOREACH(priv->children, l, opt) | ||
212 | { | ||
213 | Evas_Coord x1, y1, x2, y2; | ||
214 | |||
215 | x1 = x + ((w * opt->x) / vw); | ||
216 | y1 = y + ((h * opt->y) / vh); | ||
217 | x2 = x + ((w * (opt->x + opt->w)) / vw); | ||
218 | y2 = y + ((h * (opt->y + opt->h)) / vh); | ||
219 | if (mirror) | ||
220 | { | ||
221 | t = x1; x1 = x2; x2 = t; | ||
222 | t = y1; y1 = y2; y2 = t; | ||
223 | } | ||
224 | evas_object_move(opt->obj, x1, y1); | ||
225 | evas_object_resize(opt->obj, x2 - x1, y2 - y1); | ||
226 | } | ||
227 | } | ||
228 | |||
229 | static void | ||
230 | _evas_object_grid_smart_set_user(Evas_Smart_Class *sc) | ||
231 | { | ||
232 | sc->add = _evas_object_grid_smart_add; | ||
233 | sc->del = _evas_object_grid_smart_del; | ||
234 | sc->resize = _evas_object_grid_smart_resize; | ||
235 | sc->calculate = _evas_object_grid_smart_calculate; | ||
236 | } | ||
237 | |||
238 | EAPI Evas_Object * | ||
239 | evas_object_grid_add(Evas *evas) | ||
240 | { | ||
241 | return evas_object_smart_add(evas, _evas_object_grid_smart_class_new()); | ||
242 | } | ||
243 | |||
244 | EAPI Evas_Object * | ||
245 | evas_object_grid_add_to(Evas_Object *parent) | ||
246 | { | ||
247 | Evas *evas; | ||
248 | Evas_Object *o; | ||
249 | |||
250 | evas = evas_object_evas_get(parent); | ||
251 | o = evas_object_grid_add(evas); | ||
252 | evas_object_smart_member_add(o, parent); | ||
253 | return o; | ||
254 | } | ||
255 | |||
256 | EAPI void | ||
257 | evas_object_grid_size_set(Evas_Object *o, int w, int h) | ||
258 | { | ||
259 | EVAS_OBJECT_GRID_DATA_GET_OR_RETURN(o, priv); | ||
260 | if ((priv->size.w == w) && (priv->size.h == h)) return; | ||
261 | priv->size.w = w; | ||
262 | priv->size.h = h; | ||
263 | evas_object_smart_changed(o); | ||
264 | } | ||
265 | |||
266 | EAPI void | ||
267 | evas_object_grid_size_get(const Evas_Object *o, int *w, int *h) | ||
268 | { | ||
269 | if (w) *w = 0; | ||
270 | if (h) *h = 0; | ||
271 | EVAS_OBJECT_GRID_DATA_GET_OR_RETURN(o, priv); | ||
272 | if (w) *w = priv->size.w; | ||
273 | if (h) *h = priv->size.h; | ||
274 | } | ||
275 | |||
276 | EAPI Eina_Bool | ||
277 | evas_object_grid_pack(Evas_Object *o, Evas_Object *child, int x, int y, int w, int h) | ||
278 | { | ||
279 | Evas_Object_Grid_Option *opt; | ||
280 | Eina_Bool newobj = EINA_FALSE; | ||
281 | |||
282 | EVAS_OBJECT_GRID_DATA_GET_OR_RETURN_VAL(o, priv, 0); | ||
283 | |||
284 | opt = _evas_object_grid_option_get(child); | ||
285 | if (!opt) | ||
286 | { | ||
287 | opt = malloc(sizeof(*opt)); | ||
288 | if (!opt) | ||
289 | { | ||
290 | ERR("could not allocate grid option data."); | ||
291 | return EINA_FALSE; | ||
292 | } | ||
293 | newobj = EINA_TRUE; | ||
294 | } | ||
295 | |||
296 | opt->x = x; | ||
297 | opt->y = y; | ||
298 | opt->w = w; | ||
299 | opt->h = h; | ||
300 | |||
301 | if (newobj) | ||
302 | { | ||
303 | opt->obj = child; | ||
304 | priv->children = eina_list_append(priv->children, opt); | ||
305 | opt->l = eina_list_last(priv->children); | ||
306 | _evas_object_grid_option_set(child, opt); | ||
307 | evas_object_smart_member_add(child, o); | ||
308 | _evas_object_grid_child_connect(o, child); | ||
309 | } | ||
310 | // FIXME: we could keep a changed list | ||
311 | evas_object_smart_changed(o); | ||
312 | return EINA_TRUE; | ||
313 | } | ||
314 | |||
315 | static void | ||
316 | _evas_object_grid_remove_opt(Evas_Object_Grid_Data *priv, Evas_Object_Grid_Option *opt) | ||
317 | { | ||
318 | priv->children = eina_list_remove_list(priv->children, opt->l); | ||
319 | opt->l = NULL; | ||
320 | } | ||
321 | |||
322 | EAPI Eina_Bool | ||
323 | evas_object_grid_unpack(Evas_Object *o, Evas_Object *child) | ||
324 | { | ||
325 | Evas_Object_Grid_Option *opt; | ||
326 | |||
327 | EVAS_OBJECT_GRID_DATA_GET_OR_RETURN_VAL(o, priv, 0); | ||
328 | |||
329 | if (o != evas_object_smart_parent_get(child)) | ||
330 | { | ||
331 | ERR("cannot unpack child from incorrect grid!"); | ||
332 | return EINA_FALSE; | ||
333 | } | ||
334 | |||
335 | opt = _evas_object_grid_option_del(child); | ||
336 | if (!opt) | ||
337 | { | ||
338 | ERR("cannot unpack child with no packing option!"); | ||
339 | return EINA_FALSE; | ||
340 | } | ||
341 | |||
342 | _evas_object_grid_child_disconnect(o, child); | ||
343 | _evas_object_grid_remove_opt(priv, opt); | ||
344 | evas_object_smart_member_del(child); | ||
345 | free(opt); | ||
346 | return EINA_TRUE; | ||
347 | } | ||
348 | |||
349 | EAPI void | ||
350 | evas_object_grid_clear(Evas_Object *o, Eina_Bool clear) | ||
351 | { | ||
352 | Evas_Object_Grid_Option *opt; | ||
353 | |||
354 | EVAS_OBJECT_GRID_DATA_GET_OR_RETURN(o, priv); | ||
355 | |||
356 | EINA_LIST_FREE(priv->children, opt) | ||
357 | { | ||
358 | _evas_object_grid_child_disconnect(o, opt->obj); | ||
359 | _evas_object_grid_option_del(opt->obj); | ||
360 | evas_object_smart_member_del(opt->obj); | ||
361 | if (clear) | ||
362 | evas_object_del(opt->obj); | ||
363 | free(opt); | ||
364 | } | ||
365 | } | ||
366 | |||
367 | EAPI Eina_Bool | ||
368 | evas_object_grid_pack_get(Evas_Object *o, Evas_Object *child, int *x, int *y, int *w, int *h) | ||
369 | { | ||
370 | Evas_Object_Grid_Option *opt; | ||
371 | |||
372 | if (x) *x = 0; | ||
373 | if (y) *y = 0; | ||
374 | if (w) *w = 0; | ||
375 | if (h) *h = 0; | ||
376 | EVAS_OBJECT_GRID_DATA_GET_OR_RETURN_VAL(o, priv, 0); | ||
377 | opt = _evas_object_grid_option_get(child); | ||
378 | if (!opt) return 0; | ||
379 | if (x) *x = opt->x; | ||
380 | if (y) *y = opt->y; | ||
381 | if (w) *w = opt->w; | ||
382 | if (h) *h = opt->h; | ||
383 | return 1; | ||
384 | } | ||
385 | |||
386 | EAPI Eina_Iterator * | ||
387 | evas_object_grid_iterator_new(const Evas_Object *o) | ||
388 | { | ||
389 | Evas_Object_Grid_Iterator *it; | ||
390 | |||
391 | EVAS_OBJECT_GRID_DATA_GET_OR_RETURN_VAL(o, priv, NULL); | ||
392 | |||
393 | if (!priv->children) return NULL; | ||
394 | |||
395 | it = calloc(1, sizeof(Evas_Object_Grid_Iterator)); | ||
396 | if (!it) return NULL; | ||
397 | |||
398 | EINA_MAGIC_SET(&it->iterator, EINA_MAGIC_ITERATOR); | ||
399 | |||
400 | it->real_iterator = eina_list_iterator_new(priv->children); | ||
401 | it->grid = o; | ||
402 | |||
403 | it->iterator.next = FUNC_ITERATOR_NEXT(_evas_object_grid_iterator_next); | ||
404 | it->iterator.get_container = FUNC_ITERATOR_GET_CONTAINER(_evas_object_grid_iterator_get_container); | ||
405 | it->iterator.free = FUNC_ITERATOR_FREE(_evas_object_grid_iterator_free); | ||
406 | |||
407 | return &it->iterator; | ||
408 | } | ||
409 | |||
410 | EAPI Eina_Accessor * | ||
411 | evas_object_grid_accessor_new(const Evas_Object *o) | ||
412 | { | ||
413 | Evas_Object_Grid_Accessor *it; | ||
414 | |||
415 | EVAS_OBJECT_GRID_DATA_GET_OR_RETURN_VAL(o, priv, NULL); | ||
416 | |||
417 | if (!priv->children) return NULL; | ||
418 | |||
419 | it = calloc(1, sizeof(Evas_Object_Grid_Accessor)); | ||
420 | if (!it) return NULL; | ||
421 | |||
422 | EINA_MAGIC_SET(&it->accessor, EINA_MAGIC_ACCESSOR); | ||
423 | |||
424 | it->real_accessor = eina_list_accessor_new(priv->children); | ||
425 | it->grid = o; | ||
426 | |||
427 | it->accessor.get_at = FUNC_ACCESSOR_GET_AT(_evas_object_grid_accessor_get_at); | ||
428 | it->accessor.get_container = FUNC_ACCESSOR_GET_CONTAINER(_evas_object_grid_accessor_get_container); | ||
429 | it->accessor.free = FUNC_ACCESSOR_FREE(_evas_object_grid_accessor_free); | ||
430 | |||
431 | return &it->accessor; | ||
432 | } | ||
433 | |||
434 | EAPI Eina_List * | ||
435 | evas_object_grid_children_get(const Evas_Object *o) | ||
436 | { | ||
437 | Eina_List *new_list = NULL, *l; | ||
438 | Evas_Object_Grid_Option *opt; | ||
439 | |||
440 | EVAS_OBJECT_GRID_DATA_GET_OR_RETURN_VAL(o, priv, NULL); | ||
441 | |||
442 | EINA_LIST_FOREACH(priv->children, l, opt) | ||
443 | new_list = eina_list_append(new_list, opt->obj); | ||
444 | |||
445 | return new_list; | ||
446 | } | ||
447 | |||
448 | EAPI Eina_Bool | ||
449 | evas_object_grid_mirrored_get(const Evas_Object *obj) | ||
450 | { | ||
451 | EVAS_OBJECT_GRID_DATA_GET_OR_RETURN_VAL(obj, priv, EINA_FALSE); | ||
452 | return priv->is_mirrored; | ||
453 | } | ||
454 | |||
455 | EAPI void | ||
456 | evas_object_grid_mirrored_set(Evas_Object *obj, Eina_Bool mirrored) | ||
457 | { | ||
458 | EVAS_OBJECT_GRID_DATA_GET_OR_RETURN(obj, priv); | ||
459 | mirrored = !!mirrored; | ||
460 | if (priv->is_mirrored != mirrored) | ||
461 | { | ||
462 | priv->is_mirrored = mirrored; | ||
463 | _evas_object_grid_smart_calculate(obj); | ||
464 | } | ||
465 | } | ||