184 lines
4.9 KiB
C
184 lines
4.9 KiB
C
#include "evas_common.h"
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#include "evas_private.h"
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#define CSO_DATA_GET_OR_RETURN(obj, ptr) \
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Evas_Object_Smart_Clipped_Data *ptr = evas_object_smart_data_get(obj); \
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if (!ptr) return;
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EAPI void
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evas_object_smart_move_children_relative(Evas_Object *obj, Evas_Coord dx, Evas_Coord dy)
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{
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const Eina_Inlist *lst;
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Evas_Object *child;
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if ((dx == 0) && (dy == 0))
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return;
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lst = evas_object_smart_members_get_direct(obj);
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EINA_INLIST_FOREACH(lst, child)
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{
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Evas_Coord orig_x, orig_y;
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// shortcut as we are in evas
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// evas_object_geometry_get(child, &orig_x, &orig_y, NULL, NULL);
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if (child->delete_me) continue;
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if (child->is_static_clip) continue;
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orig_x = child->cur.geometry.x;
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orig_y = child->cur.geometry.y;
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evas_object_move(child, orig_x + dx, orig_y + dy);
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}
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}
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EAPI Evas_Object *
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evas_object_smart_clipped_clipper_get(Evas_Object *obj)
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{
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Evas_Object_Smart_Clipped_Data *cso = evas_object_smart_data_get(obj);
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if (!cso)
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return NULL;
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return cso->clipper;
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}
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static void
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evas_object_smart_clipped_smart_add(Evas_Object *obj)
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{
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Evas_Object_Smart_Clipped_Data *cso;
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Evas_Object *clipper;
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cso = evas_object_smart_data_get(obj);
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if (!cso)
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cso = calloc(1, sizeof(*cso)); /* users can provide it or realloc() later */
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cso->evas = evas_object_evas_get(obj);
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clipper = evas_object_rectangle_add(cso->evas);
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evas_object_static_clip_set(clipper, 1);
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cso->clipper = NULL;
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evas_object_smart_member_add(clipper, obj);
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cso->clipper = clipper;
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evas_object_color_set(cso->clipper, 255, 255, 255, 255);
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evas_object_move(cso->clipper, -100000, -100000);
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evas_object_resize(cso->clipper, 200000, 200000);
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evas_object_pass_events_set(cso->clipper, 1);
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evas_object_hide(cso->clipper); /* show when have something clipped to it */
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evas_object_smart_data_set(obj, cso);
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}
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static void
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evas_object_smart_clipped_smart_del(Evas_Object *obj)
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{
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CSO_DATA_GET_OR_RETURN(obj, cso);
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if (cso->clipper)
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{
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Evas_Object *clipper = cso->clipper;
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cso->clipper = NULL;
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evas_object_del(clipper);
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}
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_evas_object_smart_members_all_del(obj);
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free(cso);
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evas_object_smart_data_set(obj, NULL);
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}
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static void
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evas_object_smart_clipped_smart_move(Evas_Object *obj, Evas_Coord x, Evas_Coord y)
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{
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Evas_Coord orig_x, orig_y;
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evas_object_geometry_get(obj, &orig_x, &orig_y, NULL, NULL);
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evas_object_smart_move_children_relative(obj, x - orig_x, y - orig_y);
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}
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static void
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evas_object_smart_clipped_smart_show(Evas_Object *obj)
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{
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CSO_DATA_GET_OR_RETURN(obj, cso);
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if (evas_object_clipees_get(cso->clipper))
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evas_object_show(cso->clipper); /* just show if clipper being used */
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}
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static void
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evas_object_smart_clipped_smart_hide(Evas_Object *obj)
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{
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CSO_DATA_GET_OR_RETURN(obj, cso);
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evas_object_hide(cso->clipper);
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}
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static void
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evas_object_smart_clipped_smart_color_set(Evas_Object *obj, int r, int g, int b, int a)
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{
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CSO_DATA_GET_OR_RETURN(obj, cso);
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evas_object_color_set(cso->clipper, r, g, b, a);
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}
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static void
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evas_object_smart_clipped_smart_clip_set(Evas_Object *obj, Evas_Object *clip)
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{
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CSO_DATA_GET_OR_RETURN(obj, cso);
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evas_object_clip_set(cso->clipper, clip);
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}
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static void
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evas_object_smart_clipped_smart_clip_unset(Evas_Object *obj)
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{
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CSO_DATA_GET_OR_RETURN(obj, cso);
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evas_object_clip_unset(cso->clipper);
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}
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static void
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evas_object_smart_clipped_smart_member_add(Evas_Object *obj, Evas_Object *member)
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{
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CSO_DATA_GET_OR_RETURN(obj, cso);
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if (!cso->clipper)
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return;
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evas_object_clip_set(member, cso->clipper);
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if (evas_object_visible_get(obj))
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evas_object_show(cso->clipper);
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}
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static void
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evas_object_smart_clipped_smart_member_del(Evas_Object *obj, Evas_Object *member)
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{
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CSO_DATA_GET_OR_RETURN(obj, cso);
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if (!cso->clipper)
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return;
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evas_object_clip_unset(member);
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if (!evas_object_clipees_get(cso->clipper))
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evas_object_hide(cso->clipper);
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}
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EAPI void
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evas_object_smart_clipped_smart_set(Evas_Smart_Class *sc)
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{
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if (!sc)
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return;
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sc->add = evas_object_smart_clipped_smart_add;
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sc->del = evas_object_smart_clipped_smart_del;
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sc->move = evas_object_smart_clipped_smart_move;
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sc->show = evas_object_smart_clipped_smart_show;
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sc->hide = evas_object_smart_clipped_smart_hide;
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sc->color_set = evas_object_smart_clipped_smart_color_set;
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sc->clip_set = evas_object_smart_clipped_smart_clip_set;
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sc->clip_unset = evas_object_smart_clipped_smart_clip_unset;
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sc->calculate = NULL;
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sc->member_add = evas_object_smart_clipped_smart_member_add;
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sc->member_del = evas_object_smart_clipped_smart_member_del;
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}
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EAPI const Evas_Smart_Class *
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evas_object_smart_clipped_class_get(void)
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{
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static Evas_Smart_Class _sc = EVAS_SMART_CLASS_INIT_NAME_VERSION("EvasObjectSmartClipped");
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static const Evas_Smart_Class *class = NULL;
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if (class)
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return class;
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evas_object_smart_clipped_smart_set(&_sc);
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class = &_sc;
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return class;
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}
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