efl_ui_position_manager_common: generalize code

move the same code to a common header file.

Differential Revision: https://phab.enlightenment.org/D9630
This commit is contained in:
Marcel Hollerbach 2019-08-18 18:27:37 +02:00
parent 272d8f5067
commit 013ab4d528
3 changed files with 23 additions and 39 deletions

View File

@ -11,6 +11,10 @@ typedef struct {
Eina_Free_Cb free_cb;
} Api_Callback;
typedef struct {
unsigned int start_id, end_id;
} Vis_Segment;
static inline int
_fill_buffer(Api_Callback *cb , int start_id, int len, int *group_id, void *data)
{
@ -57,3 +61,20 @@ vis_change_segment(Api_Callback *cb, int a, int b, Eina_Bool flag)
}
}
#endif
static inline void
vis_segment_swap(Api_Callback *cb, Vis_Segment new, Vis_Segment old)
{
if (new.end_id <= old.start_id || new.start_id >= old.end_id)
{
//it is important to first make the segment visible here, and then hide the rest
//otherwise we get a state where item_container has 0 subchildren, which triggers a lot of focus logic.
vis_change_segment(cb, new.start_id, new.end_id, EINA_TRUE);
vis_change_segment(cb, old.start_id, old.end_id, EINA_FALSE);
}
else
{
vis_change_segment(cb, old.start_id, new.start_id, (old.start_id > new.start_id));
vis_change_segment(cb, old.end_id, new.end_id, (old.end_id < new.end_id));
}
}

View File

@ -12,10 +12,6 @@
#define MY_DATA_GET(obj, pd) \
Efl_Ui_Position_Manager_Grid_Data *pd = efl_data_scope_get(obj, MY_CLASS);
typedef struct {
unsigned int start_id, end_id;
} Vis_Segment;
typedef struct {
Api_Callback min_size, object;
unsigned int size;
@ -460,18 +456,7 @@ _reposition_content(Eo *obj EINA_UNUSED, Efl_Ui_Position_Manager_Grid_Data *pd)
//to performance optimize the whole widget, we are setting the objects that are outside the viewport to visibility false
//The code below ensures that things outside the viewport are always hidden, and things inside the viewport are visible
if (cur.end_id < pd->prev_run.start_id || cur.start_id > pd->prev_run.end_id)
{
//it is important to first make the segment visible here, and then hide the rest
//otherwise we get a state where item_container has 0 subchildren, which triggers a lot of focus logic.
vis_change_segment(&pd->object, cur.start_id, cur.end_id, EINA_TRUE);
vis_change_segment(&pd->object, pd->prev_run.start_id, pd->prev_run.end_id, EINA_FALSE);
}
else
{
vis_change_segment(&pd->object, pd->prev_run.start_id, cur.start_id, (pd->prev_run.start_id > cur.start_id));
vis_change_segment(&pd->object, pd->prev_run.end_id, cur.end_id, (pd->prev_run.end_id < cur.end_id));
}
vis_segment_swap(&pd->object, cur, pd->prev_run);
ctx.new = cur;
ctx.consumed_space = consumed_space;

View File

@ -13,11 +13,6 @@
#define MY_DATA_GET(obj, pd) \
Efl_Ui_Position_Manager_List_Data *pd = efl_data_scope_get(obj, MY_CLASS);
typedef struct {
unsigned int start_id, end_id;
} Vis_Segment;
typedef struct {
Api_Callback min_size, object;
unsigned int size;
@ -168,23 +163,6 @@ err:
return cur;
}
static inline void
_visual_segment_swap(Eo *obj EINA_UNUSED, Efl_Ui_Position_Manager_List_Data *pd, Vis_Segment new, Vis_Segment old)
{
if (new.end_id <= old.start_id || new.start_id >= old.end_id)
{
//it is important to first make the segment visible here, and then hide the rest
//otherwise we get a state where item_container has 0 subchildren, which triggers a lot of focus logic.
vis_change_segment(&pd->object, new.start_id, new.end_id, EINA_TRUE);
vis_change_segment(&pd->object, old.start_id, old.end_id, EINA_FALSE);
}
else
{
vis_change_segment(&pd->object, old.start_id, new.start_id, (old.start_id > new.start_id));
vis_change_segment(&pd->object, old.end_id, new.end_id, (old.end_id < new.end_id));
}
}
static inline void
_position_items(Eo *obj EINA_UNUSED, Efl_Ui_Position_Manager_List_Data *pd, Vis_Segment new, int relevant_space_size)
{
@ -327,7 +305,7 @@ position_content(Eo *obj EINA_UNUSED, Efl_Ui_Position_Manager_List_Data *pd)
cur = _search_visual_segment(obj, pd, relevant_space_size, relevant_viewport);
//to performance optimize the whole widget, we are setting the objects that are outside the viewport to visibility false
//The code below ensures that things outside the viewport are always hidden, and things inside the viewport are visible
_visual_segment_swap(obj, pd, cur, pd->prev_run);
vis_segment_swap(&pd->object, cur, pd->prev_run);
_position_items(obj, pd, cur, relevant_space_size);