forked from enlightenment/efl
98 lines
2.7 KiB
C
98 lines
2.7 KiB
C
#include "evas_common_private.h"
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#include "evas_private.h"
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#include "evas_vg_private.h"
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#include "efl_vg_root_node.eo.h"
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#include <string.h>
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#define MY_CLASS EFL_VG_ROOT_NODE_CLASS
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typedef struct _Efl_VG_Root_Node_Data Efl_VG_Root_Node_Data;
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struct _Efl_VG_Root_Node_Data
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{
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Evas_Object *parent;
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Evas_Object_Protected_Data *data;
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};
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static void
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_evas_vg_root_node_render_pre(Eo *obj EINA_UNUSED,
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Eina_Matrix3 *parent,
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Ector_Surface *s,
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void *data,
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Efl_VG_Data *nd)
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{
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Efl_VG_Container_Data *pd = data;
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Eina_List *l;
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Eo *child;
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EFL_VG_COMPUTE_MATRIX(current, parent, nd);
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EINA_LIST_FOREACH(pd->children, l, child)
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_evas_vg_render_pre(child, s, current);
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}
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static void
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_evas_vg_root_node_changed(void *data, const Efl_Event *event)
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{
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Efl_VG_Root_Node_Data *pd = data;
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Efl_VG_Data *bd = efl_data_scope_get(event->object, EFL_VG_CLASS);
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if (bd->changed) return;
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bd->changed = EINA_TRUE;
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if (pd->parent) evas_object_change(pd->parent, pd->data);
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}
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static void
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_efl_vg_root_node_efl_object_parent_set(Eo *obj,
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Efl_VG_Root_Node_Data *pd,
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Eo *parent)
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{
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// Nice little hack, jump over parent parent_set in Efl_VG_Root
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efl_parent_set(efl_super(obj, EFL_VG_CLASS), parent);
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if (parent && !efl_isa(parent, EVAS_VG_CLASS))
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{
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ERR("Parent of VG_ROOT_NODE must be a VG_CLASS");
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}
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else
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{
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pd->parent = parent;
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pd->data = parent ? efl_data_scope_get(parent, EFL_CANVAS_OBJECT_CLASS) : NULL;
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}
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}
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static Eo *
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_efl_vg_root_node_efl_object_constructor(Eo *obj,
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Efl_VG_Root_Node_Data *pd)
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{
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Efl_VG_Container_Data *cd;
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Efl_VG_Data *nd;
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Eo *parent;
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// We are copying here the code of the vg container to make it possible to
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// enforce that the root node is the only one to attach to an Evas_Object_VG
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cd = efl_data_scope_get(obj, EFL_VG_CONTAINER_CLASS);
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cd->children = NULL;
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cd->names = eina_hash_stringshared_new(NULL);
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// Nice little hack, jump over parent constructor in Efl_VG_Root
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obj = efl_constructor(efl_super(obj, EFL_VG_CLASS));
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parent = efl_parent_get(obj);
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efl_vg_name_set(obj, "root");
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if (!efl_isa(parent, EVAS_VG_CLASS)) {
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ERR("Parent of VG_ROOT_NODE must be a VG_CLASS");
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return NULL;
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}
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nd = efl_data_scope_get(obj, EFL_VG_CLASS);
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nd->render_pre = _evas_vg_root_node_render_pre;
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nd->data = cd;
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efl_event_callback_add(obj, EFL_GFX_EVENT_CHANGED, _evas_vg_root_node_changed, pd);
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return obj;
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}
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#include "efl_vg_root_node.eo.c"
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