forked from enlightenment/efl
607 lines
21 KiB
C
607 lines
21 KiB
C
#include "evas_common_private.h"
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#include "evas_private.h"
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void
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evas_object_clip_dirty(Evas_Object *eo_obj EINA_UNUSED, Evas_Object_Protected_Data *obj)
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{
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Evas_Object_Protected_Data *clipee;
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Eina_List *l;
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if (obj->cur->cache.clip.dirty) return;
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EINA_COW_STATE_WRITE_BEGIN(obj, state_write, cur)
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{
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state_write->cache.clip.dirty = EINA_TRUE;
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}
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EINA_COW_STATE_WRITE_END(obj, state_write, cur);
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EINA_LIST_FOREACH(obj->clip.clipees, l, clipee)
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{
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evas_object_clip_dirty(clipee->object, clipee);
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}
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}
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void
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evas_object_recalc_clippees(Evas_Object_Protected_Data *obj)
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{
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Evas_Object_Protected_Data *clipee;
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Eina_List *l;
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if (obj->cur->cache.clip.dirty)
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{
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evas_object_clip_recalc(obj);
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EINA_LIST_FOREACH(obj->clip.clipees, l, clipee)
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{
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evas_object_recalc_clippees(clipee);
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}
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}
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}
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/* aaaaargh (pirate voice) ... notes!
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*
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* we have a big problem until now that's gone undetected... until yesterday.
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* that problem involves clips and maps and smart objects. hooray! 3 of the
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* more complex bits of evas - and maps and smart objects being one of the
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* nastiest ones.
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*
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* what is the problem? when a clip crosses a map boundary. that is to say
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* that when the clipper and clippee are not within the child tree of the
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* mapped object. in this case "bad stuff" happens. basically as clips are
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* then used to render objects, but they no longer apply as you'd expect as
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* the map transfomr the objects to-be-clipped separately from the objects
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* that clip them and this whole relationship is broken by maps. it somehow
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* managed to not break with the advent of smart objects. lucky me... but
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* maps killed it. now... what do we do? that is a good question. detect
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* such a broken link and "turn off clipping" in that event - sure. but this
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* isn't going to be cheap as ANY addition or deletion of a map to an object
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* or any change in clipper of an object or any change in smart object
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* membership needs to walk the obj tree both up and down from the changed
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* object and probably walk entire object trees to find these and mark them.
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* thats silly-expensive and i was about to fix it that way but it has since
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* dawned on me that that is just going to kill performance in some critical
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* areas like during object setup and manipulation, as well as teardown.
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*
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* aaaaagh! best for now is to document this as a "don't do it damnit!" thing
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* and have the apps avoid it. but even then - how to do this? this is not
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* easy. everywhere i turn so far i come up to either expensive operations,
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* breaks in logic, or nasty re-work of apps or4 the whole concept of clipping,
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* smart objects and maps... and that will have to wait for evas 2.0
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*
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* the below does clip fixups etc. in the even a clip spans a map boundary.
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* not pretty, but necessary.
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*/
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#define MAP_ACROSS 1
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static void
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evas_object_child_map_across_mark(Evas_Object *eo_obj, Evas_Object_Protected_Data *obj, Evas_Object *map_obj, Eina_Bool force, Eina_Hash *visited)
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{
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#ifdef MAP_ACROSS
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Eina_Bool clear_visited = EINA_FALSE;
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if (!visited)
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{
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visited = eina_hash_pointer_new(NULL);
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clear_visited = EINA_TRUE;
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}
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if (eina_hash_find(visited, &eo_obj) == (void *)1) goto end;
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else eina_hash_add(visited, &eo_obj, (void *)1);
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if ((obj->map->cur.map_parent != map_obj) || force)
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{
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EINA_COW_WRITE_BEGIN(evas_object_map_cow, obj->map, Evas_Object_Map_Data, map_write)
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map_write->cur.map_parent = map_obj;
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EINA_COW_WRITE_END(evas_object_map_cow, obj->map, map_write);
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EINA_COW_STATE_WRITE_BEGIN(obj, state_write, cur)
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{
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state_write->cache.clip.dirty = 1;
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}
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EINA_COW_STATE_WRITE_END(obj, state_write, cur);
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evas_object_clip_recalc(obj);
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if (obj->is_smart)
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{
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Evas_Object_Protected_Data *obj2;
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EINA_INLIST_FOREACH(evas_object_smart_members_get_direct(eo_obj), obj2)
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{
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// if obj has its own map - skip it. already done
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if ((obj2->map->cur.map) && (obj2->map->cur.usemap)) continue;
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Evas_Object *eo_obj2 = obj2->object;
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evas_object_child_map_across_mark(eo_obj2, obj2, map_obj,
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force, visited);
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}
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}
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else if (obj->clip.clipees)
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{
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Evas_Object_Protected_Data *obj2;
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Eina_List *l;
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EINA_LIST_FOREACH(obj->clip.clipees, l, obj2)
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{
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evas_object_child_map_across_mark(obj2->object, obj2,
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map_obj, force, visited);
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}
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}
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}
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end:
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if (clear_visited) eina_hash_free(visited);
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#endif
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}
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void
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evas_object_clip_across_check(Evas_Object *eo_obj, Evas_Object_Protected_Data *obj)
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{
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#ifdef MAP_ACROSS
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if (!obj->cur->clipper) return;
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if (obj->cur->clipper->map->cur.map_parent != obj->map->cur.map_parent)
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evas_object_child_map_across_mark(eo_obj, obj, obj->map->cur.map_parent,
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1, NULL);
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#endif
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}
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void
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evas_object_clip_across_clippees_check(Evas_Object *eo_obj, Evas_Object_Protected_Data *obj)
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{
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#ifdef MAP_ACROSS
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Evas_Object_Protected_Data *obj2;
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Eina_List *l;
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if (!obj->clip.clipees) return;
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// schloooooooooooow:
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// evas_object_child_map_across_mark(eo_obj, obj->map->cur.map_parent, 1, NULL);
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// buggy:
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evas_object_child_map_across_mark(eo_obj, obj, obj->map->cur.map_parent, 0,
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NULL);
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if (obj->cur->cache.clip.dirty)
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{
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EINA_LIST_FOREACH(obj->clip.clipees, l, obj2)
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{
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evas_object_clip_across_clippees_check(obj2->object, obj2);
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}
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}
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#endif
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}
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// this function is called on an object when map is enabled or disabled on it
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// thus creating a "map boundary" at that point.
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//
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// FIXME: flip2 test broken in elm - might be show/hide of clips
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void
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evas_object_mapped_clip_across_mark(Evas_Object *eo_obj, Evas_Object_Protected_Data *obj)
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{
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#ifdef MAP_ACROSS
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if ((obj->map->cur.map) && (obj->map->cur.usemap))
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evas_object_child_map_across_mark(eo_obj, obj, eo_obj, 0, NULL);
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else
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{
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if (obj->smart.parent)
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{
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Evas_Object_Protected_Data *smart_parent_obj =
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eo_data_scope_get(obj->smart.parent, EVAS_OBJECT_CLASS);
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evas_object_child_map_across_mark
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(eo_obj, obj, smart_parent_obj->map->cur.map_parent, 0, NULL);
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}
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else
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evas_object_child_map_across_mark(eo_obj, obj, NULL, 0, NULL);
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}
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#endif
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}
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static void
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_evas_object_clip_mask_unset(Evas_Object_Protected_Data *obj)
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{
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if (!obj || !obj->mask->is_mask) return;
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if (obj->clip.clipees) return;
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/* this frees the clip surface. is this correct? */
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EINA_COW_WRITE_BEGIN(evas_object_mask_cow, obj->mask, Evas_Object_Mask_Data, mask)
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mask->is_mask = EINA_FALSE;
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mask->redraw = EINA_FALSE;
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mask->is_alpha = EINA_FALSE;
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if (mask->surface)
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{
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obj->layer->evas->engine.func->image_free(obj->layer->evas->engine.data.output, mask->surface);
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mask->surface = NULL;
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}
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mask->w = 0;
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mask->h = 0;
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EINA_COW_WRITE_END(evas_object_mask_cow, obj->mask, mask);
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}
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/* public functions */
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extern const char *o_rect_type;
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extern const char *o_image_type;
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static Eina_Bool _clipper_del_cb(void *data, const Eo_Event *event);
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EOLIAN void
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_evas_object_clip_set(Eo *eo_obj, Evas_Object_Protected_Data *obj, Evas_Object *eo_clip)
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{
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Evas_Object_Protected_Data *clip;
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Evas_Public_Data *e;
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if (!eo_clip)
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{
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evas_object_clip_unset(eo_obj);
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return;
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}
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MAGIC_CHECK(eo_clip, Evas_Object, MAGIC_OBJ);
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return;
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MAGIC_CHECK_END();
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evas_object_async_block(obj);
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clip = eo_data_scope_get(eo_clip, EVAS_OBJECT_CLASS);
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if (obj->cur->clipper && obj->cur->clipper->object == eo_clip) return;
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if (eo_obj == eo_clip)
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{
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CRI("Setting clip %p on itself", eo_obj);
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return;
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}
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if (clip->delete_me)
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{
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CRI("Setting deleted object %p as clip obj %p", eo_clip, eo_obj);
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return;
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}
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if (obj->delete_me)
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{
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CRI("Setting object %p as clip to deleted obj %p", eo_clip, eo_obj);
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return;
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}
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if (!obj->layer)
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{
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CRI("No evas surface associated with object (%p)", eo_obj);
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return;
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}
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if ((obj->layer && clip->layer) &&
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(obj->layer->evas != clip->layer->evas))
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{
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CRI("Setting object %p from Evas (%p) to another Evas (%p)", obj, obj->layer->evas, clip->layer->evas);
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return;
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}
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if (!obj->layer || !clip->layer)
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{
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CRI("Object %p or clip %p layer is not set !", obj, clip);
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return;
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}
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if (evas_object_intercept_call_clip_set(eo_obj, obj, eo_clip))
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{
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return;
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}
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// illegal to set anything but a rect or an image as a clip
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if (clip->type != o_rect_type && clip->type != o_image_type)
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{
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ERR("For now a clip on other object than a rectangle or an image is disabled");
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return;
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}
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if (obj->is_smart)
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{
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evas_obj_smart_clip_set(eo_obj, eo_clip);
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}
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if (obj->cur->clipper)
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{
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Evas_Object_Protected_Data *old_clip = obj->cur->clipper;
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/* unclip */
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obj->cur->clipper->clip.cache_clipees_answer = eina_list_free(obj->cur->clipper->clip.cache_clipees_answer);
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obj->cur->clipper->clip.clipees = eina_list_remove(obj->cur->clipper->clip.clipees, obj);
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if (!obj->cur->clipper->clip.clipees)
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{
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EINA_COW_STATE_WRITE_BEGIN(obj->cur->clipper, state_write, cur)
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{
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state_write->have_clipees = 0;
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if (obj->cur->clipper->is_static_clip)
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WRN("You override static clipper, it may be dangled! obj(%p) type(%s) new clip(%p)", eo_obj, obj->type, eo_clip);
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}
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EINA_COW_STATE_WRITE_END(obj->cur->clipper, state_write, cur);
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/* i know this was to handle a case where a clip stops having children and
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* becomes a solid colored box - no one ever does that... they hide the clip
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* so dont add damages.
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* But, if the clipper could affect color to its clipees,
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* the clipped area should be redrawn. */
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if (((obj->cur->clipper->cur) && (obj->cur->clipper->cur->visible)) &&
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(((obj->cur->clipper->cur->color.r != 255) || (obj->cur->clipper->cur->color.g != 255) ||
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(obj->cur->clipper->cur->color.b != 255) || (obj->cur->clipper->cur->color.a != 255)) ||
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(obj->cur->clipper->mask->is_mask)))
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{
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if (obj->cur->clipper->layer)
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{
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e = obj->cur->clipper->layer->evas;
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evas_damage_rectangle_add(e->evas,
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obj->cur->clipper->cur->geometry.x + e->framespace.x,
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obj->cur->clipper->cur->geometry.y + e->framespace.y,
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obj->cur->clipper->cur->geometry.w,
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obj->cur->clipper->cur->geometry.h);
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}
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}
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_evas_object_clip_mask_unset(obj->cur->clipper);
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}
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evas_object_change(obj->cur->clipper->object, obj->cur->clipper);
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evas_object_change(eo_obj, obj);
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EINA_COW_STATE_WRITE_BEGIN(obj, state_write, cur)
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state_write->clipper = NULL;
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EINA_COW_STATE_WRITE_END(obj, state_write, cur);
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if (obj->prev->clipper != old_clip)
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eo_event_callback_del(old_clip->object, EO_EVENT_DEL, _clipper_del_cb, eo_obj);
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}
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/* image object clipper */
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if (clip->type == o_image_type)
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{
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EINA_COW_WRITE_BEGIN(evas_object_mask_cow, clip->mask, Evas_Object_Mask_Data, mask)
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mask->is_mask = EINA_TRUE;
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EINA_COW_WRITE_END(evas_object_mask_cow, clip->mask, mask);
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}
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/* clip me */
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if ((!clip->clip.clipees) && (clip->cur->visible))
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{
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/* Basically it just went invisible */
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clip->changed = 1;
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e = clip->layer->evas;
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e->changed = 1;
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/* i know this was to handle a case where a clip starts having children and
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* stops being a solid colored box - no one ever does that... they hide the clp
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* so dont add damages
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evas_damage_rectangle_add(e->evas,
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clip->cur->geometry.x + e->framespace.x,
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clip->cur->geometry.y + e->framespace.y,
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clip->cur->geometry.w, clip->cur->geometry.h);
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*/
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}
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EINA_COW_STATE_WRITE_BEGIN(obj, state_write, cur)
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state_write->clipper = clip;
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EINA_COW_STATE_WRITE_END(obj, state_write, cur);
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if (obj->prev->clipper != clip)
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eo_event_callback_add(clip->object, EO_EVENT_DEL, _clipper_del_cb, eo_obj);
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clip->clip.cache_clipees_answer = eina_list_free(clip->clip.cache_clipees_answer);
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clip->clip.clipees = eina_list_append(clip->clip.clipees, obj);
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if (clip->clip.clipees)
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{
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EINA_COW_STATE_WRITE_BEGIN(clip, state_write, cur)
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{
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state_write->have_clipees = 1;
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}
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EINA_COW_STATE_WRITE_END(clip, state_write, cur);
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if (clip->changed)
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evas_object_update_bounding_box(eo_clip, clip, NULL);
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}
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evas_object_change(eo_clip, clip);
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evas_object_change(eo_obj, obj);
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evas_object_clip_dirty(eo_obj, obj);
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evas_object_recalc_clippees(obj);
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if ((!obj->is_smart) &&
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(!((obj->map->cur.map) && (obj->map->cur.usemap))))
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{
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if (evas_object_is_in_output_rect(eo_obj, obj,
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obj->layer->evas->pointer.x,
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obj->layer->evas->pointer.y, 1, 1))
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evas_event_feed_mouse_move(obj->layer->evas->evas,
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obj->layer->evas->pointer.x,
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obj->layer->evas->pointer.y,
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obj->layer->evas->last_timestamp,
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NULL);
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}
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evas_object_clip_across_check(eo_obj, obj);
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}
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EOLIAN Evas_Object *
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_evas_object_clip_get(Eo *eo_obj EINA_UNUSED, Evas_Object_Protected_Data *obj)
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{
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if (obj->cur->clipper)
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return obj->cur->clipper->object;
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return NULL;
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}
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EOLIAN void
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_evas_object_clip_unset(Eo *eo_obj, Evas_Object_Protected_Data *obj)
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{
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if (!obj->cur->clipper) return;
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evas_object_async_block(obj);
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obj->clip.cache_clipees_answer = eina_list_free(obj->clip.cache_clipees_answer);
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/* unclip */
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if (evas_object_intercept_call_clip_unset(eo_obj, obj)) return;
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if (obj->is_smart)
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{
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evas_obj_smart_clip_unset(eo_obj);
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}
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if (obj->cur->clipper)
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{
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Evas_Object_Protected_Data *old_clip = obj->cur->clipper;
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obj->cur->clipper->clip.clipees = eina_list_remove(obj->cur->clipper->clip.clipees, obj);
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if (!obj->cur->clipper->clip.clipees)
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{
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EINA_COW_STATE_WRITE_BEGIN(obj->cur->clipper, state_write, cur)
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{
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state_write->have_clipees = 0;
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}
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EINA_COW_STATE_WRITE_END(obj->cur->clipper, state_write, cur);
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/* i know this was to handle a case where a clip stops having children and
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* becomes a solid colored box - no one ever does that... they hide the clip
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* so dont add damages.
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* But, if the clipper could affect color to its clipees,
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* the clipped area should be redrawn. */
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if (((obj->cur->clipper->cur) && (obj->cur->clipper->cur->visible)) &&
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(((obj->cur->clipper->cur->color.r != 255) || (obj->cur->clipper->cur->color.g != 255) ||
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(obj->cur->clipper->cur->color.b != 255) || (obj->cur->clipper->cur->color.a != 255)) ||
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(obj->cur->clipper->mask->is_mask)))
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{
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if (obj->cur->clipper->layer)
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|
{
|
|
Evas_Public_Data *e = obj->cur->clipper->layer->evas;
|
|
evas_damage_rectangle_add(e->evas,
|
|
obj->cur->clipper->cur->geometry.x + e->framespace.x,
|
|
obj->cur->clipper->cur->geometry.y + e->framespace.y,
|
|
obj->cur->clipper->cur->geometry.w,
|
|
obj->cur->clipper->cur->geometry.h);
|
|
}
|
|
}
|
|
|
|
_evas_object_clip_mask_unset(obj->cur->clipper);
|
|
}
|
|
evas_object_change(obj->cur->clipper->object, obj->cur->clipper);
|
|
|
|
EINA_COW_STATE_WRITE_BEGIN(obj, state_write, cur)
|
|
state_write->clipper = NULL;
|
|
EINA_COW_STATE_WRITE_END(obj, state_write, cur);
|
|
if (obj->prev->clipper != old_clip)
|
|
eo_event_callback_del(old_clip->object, EO_EVENT_DEL, _clipper_del_cb, eo_obj);
|
|
}
|
|
|
|
evas_object_change(eo_obj, obj);
|
|
evas_object_clip_dirty(eo_obj, obj);
|
|
evas_object_recalc_clippees(obj);
|
|
if ((!obj->is_smart) &&
|
|
(!((obj->map->cur.map) && (obj->map->cur.usemap))))
|
|
{
|
|
if (evas_object_is_in_output_rect(eo_obj, obj,
|
|
obj->layer->evas->pointer.x,
|
|
obj->layer->evas->pointer.y, 1, 1))
|
|
evas_event_feed_mouse_move(obj->layer->evas->evas,
|
|
obj->layer->evas->pointer.x,
|
|
obj->layer->evas->pointer.y,
|
|
obj->layer->evas->last_timestamp,
|
|
NULL);
|
|
}
|
|
evas_object_clip_across_check(eo_obj, obj);
|
|
}
|
|
|
|
static Eina_Bool
|
|
_clipper_del_cb(void *data, const Eo_Event *event)
|
|
{
|
|
Evas_Object *eo_obj = data;
|
|
Evas_Object_Protected_Data *obj = eo_data_scope_get(eo_obj, EVAS_OBJECT_CLASS);
|
|
|
|
if (!obj) return EO_CALLBACK_CONTINUE;
|
|
|
|
_evas_object_clip_unset(eo_obj, obj);
|
|
if (obj->prev->clipper && (obj->prev->clipper->object == event->object))
|
|
{
|
|
// not removing cb since it's the del cb... it can't be called again!
|
|
EINA_COW_STATE_WRITE_BEGIN(obj, state_write, prev)
|
|
state_write->clipper = NULL;
|
|
EINA_COW_STATE_WRITE_END(obj, state_write, prev);
|
|
}
|
|
|
|
return EO_CALLBACK_CONTINUE;
|
|
}
|
|
|
|
void
|
|
_evas_object_clip_prev_reset(Evas_Object_Protected_Data *obj, Eina_Bool cur_prev)
|
|
{
|
|
if (obj->prev->clipper)
|
|
{
|
|
Evas_Object_Protected_Data *clip = obj->prev->clipper;
|
|
if (!cur_prev)
|
|
{
|
|
EINA_COW_STATE_WRITE_BEGIN(obj, state_write, prev)
|
|
state_write->clipper = NULL;
|
|
EINA_COW_STATE_WRITE_END(obj, state_write, prev);
|
|
}
|
|
if (clip != obj->cur->clipper)
|
|
eo_event_callback_del(clip->object, EO_EVENT_DEL, _clipper_del_cb, obj->object);
|
|
}
|
|
}
|
|
|
|
EAPI const Eina_List *
|
|
evas_object_clipees_get(const Evas_Object *eo_obj)
|
|
{
|
|
const Evas_Object_Protected_Data *tmp;
|
|
Eina_List *l;
|
|
Eina_List *answer = NULL;
|
|
|
|
Evas_Object_Protected_Data *obj = EVAS_OBJ_GET_OR_RETURN(eo_obj, NULL);
|
|
obj->clip.cache_clipees_answer = eina_list_free(obj->clip.cache_clipees_answer);
|
|
|
|
EINA_LIST_FOREACH(obj->clip.clipees, l, tmp)
|
|
answer = eina_list_append(answer, tmp->object);
|
|
|
|
obj->clip.cache_clipees_answer = answer;
|
|
return answer;
|
|
}
|
|
|
|
typedef struct
|
|
{
|
|
Eina_Iterator iterator;
|
|
Eina_List *list;
|
|
Eina_Iterator *real_iterator;
|
|
Evas_Object *object;
|
|
} Clipee_Iterator;
|
|
|
|
static Eina_Bool
|
|
_clipee_iterator_next(Clipee_Iterator *it, void **data)
|
|
{
|
|
Evas_Object_Protected_Data *sub;
|
|
|
|
if (!eina_iterator_next(it->real_iterator, (void **) &sub))
|
|
return EINA_FALSE;
|
|
|
|
if (data) *data = sub ? sub->object : NULL;
|
|
return EINA_TRUE;
|
|
}
|
|
|
|
static void *
|
|
_clipee_iterator_get_container(Clipee_Iterator *it)
|
|
{
|
|
return it->object;
|
|
}
|
|
|
|
static void
|
|
_clipee_iterator_free(Clipee_Iterator *it)
|
|
{
|
|
eina_iterator_free(it->real_iterator);
|
|
free(it);
|
|
}
|
|
|
|
EOLIAN Eina_Iterator *
|
|
_evas_object_clipees_get(Eo *eo_obj, Evas_Object_Protected_Data *obj)
|
|
{
|
|
Clipee_Iterator *it;
|
|
|
|
it = calloc(1, sizeof(*it));
|
|
if (!it) return NULL;
|
|
|
|
EINA_MAGIC_SET(&it->iterator, EINA_MAGIC_ITERATOR);
|
|
|
|
it->list = obj->clip.clipees;
|
|
it->real_iterator = eina_list_iterator_new(it->list);
|
|
it->iterator.version = EINA_ITERATOR_VERSION;
|
|
it->iterator.next = FUNC_ITERATOR_NEXT(_clipee_iterator_next);
|
|
it->iterator.get_container = FUNC_ITERATOR_GET_CONTAINER(_clipee_iterator_get_container);
|
|
it->iterator.free = FUNC_ITERATOR_FREE(_clipee_iterator_free);
|
|
it->object = eo_obj;
|
|
|
|
return &it->iterator;
|
|
}
|
|
|
|
EOLIAN Eina_Bool
|
|
_evas_object_clipees_has(Eo *eo_obj EINA_UNUSED, Evas_Object_Protected_Data *obj)
|
|
{
|
|
return (obj->clip.clipees ? EINA_TRUE : EINA_FALSE);
|
|
}
|
|
|
|
EOLIAN void
|
|
_evas_object_no_render_set(Eo *eo_obj, Evas_Object_Protected_Data *obj, Eina_Bool enable)
|
|
{
|
|
obj->no_render = enable;
|
|
if (obj->is_smart)
|
|
evas_obj_smart_no_render_set(eo_obj, enable);
|
|
}
|
|
|
|
EOLIAN Eina_Bool
|
|
_evas_object_no_render_get(Eo *eo_obj EINA_UNUSED, Evas_Object_Protected_Data *obj)
|
|
{
|
|
return obj->no_render;
|
|
}
|