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efl

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efl
/src
/lib
/edje
/
edje_box_layout.c 
258 строк · 9.1 Кб
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#include "edje_private.h"
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#include "../evas/canvas/evas_box_eo.h"
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#include <Eo.h>
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typedef struct _Edje_Transition_Animation_Data Edje_Transition_Animation_Data;
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struct _Edje_Transition_Animation_Data
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{
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   Evas_Object *obj;
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   struct
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   {
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      Evas_Coord x, y, w, h;
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   } start, end;
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};
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struct _Edje_Part_Box_Animation
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{
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   struct
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   {
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      Evas_Object_Box_Layout layout;
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      void                  *data;
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      void                   (*free_data)(void *data);
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      Edje_Alignment         align;
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      Evas_Point             padding;
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   } start, end;
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   Eina_List   *objs;
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   Eina_Bool    recalculate : 1;
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   Evas_Object *box;
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   double       progress;
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   double       start_progress;
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   int          box_start_w, box_start_h;
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};
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static void
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_edje_box_layout_find_all(const char *name, const char *name_alt, Evas_Object_Box_Layout *cb, void **data, void(**free_data) (void *data))
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{
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   if (!_edje_box_layout_find(name, cb, data, free_data))
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     {
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        if ((!name_alt) ||
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            (!_edje_box_layout_find(name_alt, cb, data, free_data)))
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          {
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             ERR("box layout '%s' (fallback '%s') not available, using horizontal.",
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                 name, name_alt);
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             *cb = evas_object_box_layout_horizontal;
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             *free_data = NULL;
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             *data = NULL;
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          }
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     }
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}
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static void
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_edje_box_layout_calculate_coords(Evas_Object *obj, Evas_Object_Box_Data *priv, Edje_Part_Box_Animation *anim)
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{
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   Eina_List *l;
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   Edje_Transition_Animation_Data *tad;
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   Evas_Coord x, y;
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   evas_object_geometry_get(obj, &x, &y, &anim->box_start_w, &anim->box_start_h);
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   EINA_LIST_FOREACH(anim->objs, l, tad)
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     {
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        evas_object_geometry_get(tad->obj, &tad->start.x, &tad->start.y,
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                                 &tad->start.w, &tad->start.h);
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        tad->start.x = tad->start.x - x;
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        tad->start.y = tad->start.y - y;
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     }
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   evas_object_box_padding_set(obj, anim->end.padding.x, anim->end.padding.y);
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   evas_object_box_align_set(obj, TO_DOUBLE(anim->end.align.x), TO_DOUBLE(anim->end.align.y));
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   if (anim->end.layout)
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     anim->end.layout(obj, priv, anim->end.data);
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   else if (anim->start.layout)
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     anim->start.layout(obj, priv, anim->start.data);
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   EINA_LIST_FOREACH(anim->objs, l, tad)
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     {
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        evas_object_geometry_get(tad->obj, &tad->end.x, &tad->end.y,
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                                 &tad->end.w, &tad->end.h);
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        tad->end.x = tad->end.x - x;
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        tad->end.y = tad->end.y - y;
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     }
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}
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static void
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_edje_box_layout_exec(Evas_Object *obj, Edje_Part_Box_Animation *anim)
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{
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   Eina_List *l;
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   Edje_Transition_Animation_Data *tad;
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   Evas_Coord x, y, w, h;
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   Evas_Coord cur_x, cur_y, cur_w, cur_h;
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   double progress;
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   evas_object_geometry_get(obj, &x, &y, &w, &h);
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   progress = (anim->progress - anim->start_progress) / (1 - anim->start_progress);
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   EINA_LIST_FOREACH(anim->objs, l, tad)
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     {
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        cur_x = x + (tad->start.x + ((tad->end.x - tad->start.x) * progress)) * (w / (double)anim->box_start_w);
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        cur_y = y + (tad->start.y + ((tad->end.y - tad->start.y) * progress)) * (h / (double)anim->box_start_h);
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        cur_w = (w / (double)anim->box_start_w) * (tad->start.w + ((tad->end.w - tad->start.w) * progress));
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        cur_h = (h / (double)anim->box_start_h) * (tad->start.h + ((tad->end.h - tad->start.h) * progress));
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        evas_object_move(tad->obj, cur_x, cur_y);
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        evas_object_resize(tad->obj, cur_w, cur_h);
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     }
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}
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static void
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_edje_box_layout(Evas_Object *obj, Evas_Object_Box_Data *priv, void *data)
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{
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   Edje_Part_Box_Animation *anim = data;
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   if (EINA_DBL_EQ(anim->progress, 0.0))
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     {
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        if (anim->start.layout)
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          {
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             evas_object_box_padding_set(obj, anim->start.padding.x, anim->start.padding.y);
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             evas_object_box_align_set(obj, TO_DOUBLE(anim->start.align.x), TO_DOUBLE(anim->start.align.y));
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             anim->start.layout(obj, priv, anim->start.data);
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          }
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        return;
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     }
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   if (anim->recalculate)
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     {
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        _edje_box_layout_calculate_coords(obj, priv, anim);
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        anim->start_progress = anim->progress;
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        anim->recalculate = EINA_FALSE;
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     }
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   if ((anim->progress > 0) && (anim->start_progress < 1))
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     _edje_box_layout_exec(obj, anim);
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}
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void
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_edje_box_layout_free_data(void *data)
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{
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   Edje_Transition_Animation_Data *tad;
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   Edje_Part_Box_Animation *anim = data;
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   if (anim->start.free_data && anim->start.data)
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     anim->start.free_data(anim->start.data);
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   if (anim->end.free_data && anim->end.data)
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     anim->end.free_data(anim->end.data);
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   EINA_LIST_FREE(anim->objs, tad)
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     free(tad);
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   free(data);
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}
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Edje_Part_Box_Animation *
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_edje_box_layout_anim_new(Evas_Object *box)
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{
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   Edje_Part_Box_Animation *anim = calloc(1, sizeof(Edje_Part_Box_Animation));
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   if (!anim)
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     return NULL;
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   anim->box = box;
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   evas_object_box_layout_set(box, _edje_box_layout, anim, NULL);
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   return anim;
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}
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void
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_edje_box_recalc_apply(Edje *ed EINA_UNUSED, Edje_Real_Part *ep, Edje_Calc_Params *p3 EINA_UNUSED, Edje_Part_Description_Box *chosen_desc)
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{
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   Evas_Object_Box_Data *priv;
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#if 0
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   int min_w, min_h;
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#endif
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   if ((ep->type != EDJE_RP_TYPE_CONTAINER) ||
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       (!ep->typedata.container)) return;
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   if ((ep->param2) && (NEQ(ep->description_pos, ZERO)))
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     {
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        Edje_Part_Description_Box *param2_desc = (Edje_Part_Description_Box *)ep->param2->description;
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        if (ep->typedata.container->anim->end.layout == NULL)
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          {
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             _edje_box_layout_find_all(param2_desc->box.layout, param2_desc->box.alt_layout, &ep->typedata.container->anim->end.layout, &ep->typedata.container->anim->end.data, &ep->typedata.container->anim->end.free_data);
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             ep->typedata.container->anim->end.padding.x = param2_desc->box.padding.x;
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             ep->typedata.container->anim->end.padding.y = param2_desc->box.padding.y;
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             ep->typedata.container->anim->end.align.x = param2_desc->box.align.x;
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             ep->typedata.container->anim->end.align.y = param2_desc->box.align.y;
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             priv = efl_data_scope_get(ep->object, EVAS_BOX_CLASS);
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             if (priv == NULL)
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               return;
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             evas_object_box_padding_set(ep->object, ep->typedata.container->anim->start.padding.x, ep->typedata.container->anim->start.padding.y);
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             evas_object_box_align_set(ep->object, TO_DOUBLE(ep->typedata.container->anim->start.align.x), TO_DOUBLE(ep->typedata.container->anim->start.align.y));
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             ep->typedata.container->anim->start.layout(ep->object, priv, ep->typedata.container->anim->start.data);
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             _edje_box_layout_calculate_coords(ep->object, priv, ep->typedata.container->anim);
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             ep->typedata.container->anim->start_progress = 0.0;
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          }
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        evas_object_smart_changed(ep->object);
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     }
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   else
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     {
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        ep->typedata.container->anim->end.layout = NULL;
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     }
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   if (EINA_DBL_EQ(ep->description_pos, 0.0) || !ep->typedata.container->anim->start.layout)
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     {
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        _edje_box_layout_find_all(chosen_desc->box.layout, chosen_desc->box.alt_layout, &ep->typedata.container->anim->start.layout, &ep->typedata.container->anim->start.data, &ep->typedata.container->anim->start.free_data);
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        ep->typedata.container->anim->start.padding.x = chosen_desc->box.padding.x;
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        ep->typedata.container->anim->start.padding.y = chosen_desc->box.padding.y;
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        ep->typedata.container->anim->start.align.x = chosen_desc->box.align.x;
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        ep->typedata.container->anim->start.align.y = chosen_desc->box.align.y;
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        evas_object_smart_changed(ep->object);
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     }
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   ep->typedata.container->anim->progress = ep->description_pos;
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   if (evas_object_smart_need_recalculate_get(ep->object))
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     {
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        evas_object_smart_need_recalculate_set(ep->object, 0);
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        evas_object_smart_calculate(ep->object);
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     }
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#if 0 /* Why the hell do we affect part size after resize ??? */
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   evas_object_size_hint_combined_min_get(ep->object, &min_w, &min_h);
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   if (chosen_desc->box.min.h && (p3->w < min_w))
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     p3->w = min_w;
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   if (chosen_desc->box.min.v && (p3->h < min_h))
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     p3->h = min_h;
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#endif
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}
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Eina_Bool
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_edje_box_layout_add_child(Edje_Real_Part *rp, Evas_Object *child_obj)
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{
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   Edje_Transition_Animation_Data *tad;
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   if ((rp->type != EDJE_RP_TYPE_CONTAINER) ||
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       (!rp->typedata.container)) return EINA_FALSE;
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   tad = calloc(1, sizeof(Edje_Transition_Animation_Data));
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   if (!tad) return EINA_FALSE;
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   tad->obj = child_obj;
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   rp->typedata.container->anim->objs = eina_list_append(rp->typedata.container->anim->objs, tad);
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   rp->typedata.container->anim->recalculate = EINA_TRUE;
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   return EINA_TRUE;
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}
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void
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_edje_box_layout_remove_child(Edje_Real_Part *rp, Evas_Object *child_obj)
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{
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   Eina_List *l;
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   Edje_Transition_Animation_Data *tad;
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   if ((rp->type != EDJE_RP_TYPE_CONTAINER) ||
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       (!rp->typedata.container)) return;
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   EINA_LIST_FOREACH(rp->typedata.container->anim->objs, l, tad)
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     {
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        if (tad->obj == child_obj)
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          {
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             free(eina_list_data_get(l));
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             rp->typedata.container->anim->objs = eina_list_remove_list(rp->typedata.container->anim->objs, l);
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             rp->typedata.container->anim->recalculate = EINA_TRUE;
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             break;
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          }
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     }
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   rp->typedata.container->anim->recalculate = EINA_TRUE;
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}
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