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evas: implement Evas_VG_Node stacking functions.

This commit is contained in:
Cedric BAIL 2015-04-03 16:13:06 +02:00
parent 9dcf840ade
commit fa2f4e969e
1 changed files with 115 additions and 4 deletions
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119
src/lib/evas/canvas/evas_vg_node.c
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@ -1,6 +1,8 @@
#include "evas_common_private.h"
#include "evas_private.h"
#include "evas_vg_private.h"
#include <string.h>
#define MY_CLASS EVAS_VG_NODE_CLASS
@ -113,27 +115,79 @@ _evas_vg_node_mask_get(Eo *obj EINA_UNUSED, Evas_VG_Node_Data *pd)
// Parent should be a container otherwise dismissing the stacking operation
void
_evas_vg_node_eo_base_constructor(Eo *obj, Evas_VG_Node_Data *pd)
_evas_vg_node_eo_base_constructor(Eo *obj, Evas_VG_Node_Data *pd EINA_UNUSED)
{
Evas_VG_Container_Data *cd;
Eo *parent;
eo_do_super(obj, MY_CLASS, eo_constructor());
eo_do(obj, parent = eo_parent_get());
if (!eo_isa(parent, EVAS_VG_CONTAINER_CLASS))
eo_error_set(obj);
cd = eo_data_scope_get(parent, EVAS_VG_CONTAINER_CLASS);
if (!cd)
{
eo_error_set(obj);
return ;
}
cd->children = eina_list_append(cd->children, obj);
}
void
_evas_vg_node_eo_base_parent_set(Eo *obj, Evas_VG_Node_Data *pd, Eo *parent)
_evas_vg_node_eo_base_parent_set(Eo *obj,
Evas_VG_Node_Data *pd EINA_UNUSED,
Eo *parent)
{
Evas_VG_Container_Data *cd;
Evas_VG_Container_Data *old_cd;
Eo *old_parent;
cd = eo_data_scope_get(parent, EVAS_VG_CONTAINER_CLASS);
if (!cd)
{
eo_error_set(obj);
return ;
}
eo_do(obj, old_parent = eo_parent_get());
old_cd = eo_data_scope_get(old_parent, EVAS_VG_CONTAINER_CLASS);
if (!old_cd)
{
eo_error_set(obj);
return ;
}
// FIXME: this may become slow with to much object
old_cd->children = eina_list_remove(old_cd->children, obj);
eo_do_super(obj, MY_CLASS, eo_parent_set(parent));
cd->children = eina_list_append(cd->children, obj);
}
void
_evas_vg_node_raise(Eo *obj, Evas_VG_Node_Data *pd EINA_UNUSED)
{
Evas_VG_Container_Data *cd;
Eina_List *lookup, *next;
Eo *parent;
eo_do(obj, parent = eo_parent_get());
cd = eo_data_scope_get(parent, EVAS_VG_CONTAINER_CLASS);
if (!cd) goto on_error;
// FIXME: this could become slow with to much object
lookup = eina_list_data_find_list(cd->children, obj);
if (!lookup) goto on_error;
next = eina_list_next(lookup);
if (!next) return ;
cd->children = eina_list_remove_list(cd->children, lookup);
cd->children = eina_list_append_relative_list(cd->children, obj, next);
return ;
on_error:
eo_error_set(obj);
}
void
@ -141,9 +195,28 @@ _evas_vg_node_stack_above(Eo *obj,
Evas_VG_Node_Data *pd EINA_UNUSED,
Evas_VG_Node *above)
{
Evas_VG_Container_Data *cd;
Eina_List *lookup, *ref;
Eo *parent;
eo_do(obj, parent = eo_parent_get());
cd = eo_data_scope_get(parent, EVAS_VG_CONTAINER_CLASS);
if (!cd) goto on_error;
// FIXME: this could become slow with to much object
lookup = eina_list_data_find_list(cd->children, obj);
if (!lookup) goto on_error;
ref = eina_list_data_find_list(cd->children, above);
if (!ref) goto on_error;
cd->children = eina_list_remove_list(cd->children, lookup);
cd->children = eina_list_append_relative_list(cd->children, obj, ref);
return ;
on_error:
eo_error_set(obj);
}
void
@ -151,17 +224,55 @@ _evas_vg_node_stack_below(Eo *obj,
Evas_VG_Node_Data *pd EINA_UNUSED,
Evas_Object *below)
{
Evas_VG_Container_Data *cd;
Eina_List *lookup, *ref;
Eo *parent;
eo_do(obj, parent = eo_parent_get());
cd = eo_data_scope_get(parent, EVAS_VG_CONTAINER_CLASS);
if (!cd) goto on_error;
// FIXME: this could become slow with to much object
lookup = eina_list_data_find_list(cd->children, obj);
if (!lookup) goto on_error;
ref = eina_list_data_find_list(cd->children, below);
if (!ref) goto on_error;
cd->children = eina_list_remove_list(cd->children, lookup);
cd->children = eina_list_prepend_relative_list(cd->children, obj, ref);
return ;
on_error:
eo_error_set(obj);
}
void
_evas_vg_node_lower(Eo *obj, Evas_VG_Node_Data *pd EINA_UNUSED)
{
Evas_VG_Container_Data *cd;
Eina_List *lookup, *prev;
Eo *parent;
eo_do(obj, parent = eo_parent_get());
cd = eo_data_scope_get(parent, EVAS_VG_CONTAINER_CLASS);
if (!cd) goto on_error;
// FIXME: this could become slow with to much object
lookup = eina_list_data_find_list(cd->children, obj);
if (!lookup) goto on_error;
prev = eina_list_prev(lookup);
if (!prev) return ;
cd->children = eina_list_remove_list(cd->children, lookup);
cd->children = eina_list_prepend_relative_list(cd->children, obj, prev);
return ;
on_error:
eo_error_set(obj);
}
#include "evas_vg_node.eo.c"