136 lines
4.3 KiB
C
136 lines
4.3 KiB
C
#ifndef EFL_UI_POSITION_MANAGER_COMMON_H
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#define EFL_UI_POSITION_MANAGER_COMMON_H 1
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#include <Eina.h>
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#include <Efl_Ui.h>
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#include "efl_ui_position_manager_entity.eo.h"
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typedef struct {
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struct {
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void *data;
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Efl_Ui_Position_Manager_Size_Batch_Callback access; //this can also be the size accessor, but that does not matter here
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Eina_Free_Cb free_cb;
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} size;
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struct {
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void *data;
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Efl_Ui_Position_Manager_Object_Batch_Callback access; //this can also be the size accessor, but that does not matter here
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Eina_Free_Cb free_cb;
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} object;
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} Api_Callbacks;
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typedef struct {
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unsigned int start_id, end_id;
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} Vis_Segment;
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static Efl_Ui_Position_Manager_Size_Batch_Result
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_batch_request_size(Api_Callbacks cb , int start_id, int end_id, int len, Eina_Bool cache, void *data)
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{
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Efl_Ui_Position_Manager_Size_Batch_Result res;
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Eina_Rw_Slice slice;
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slice.mem = data;
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slice.len = len;
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Efl_Ui_Position_Manager_Size_Call_Config conf;
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conf.cache_request = cache;
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conf.range.start_id = start_id;
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conf.range.end_id = MIN(start_id + len, end_id);
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res = cb.size.access(cb.size.data, conf, slice);
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return res;
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}
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#define BATCH_ACCESS_SIZE(cb, start_id, end_id, len, cache, data) \
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do { \
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size_result = _batch_request_size((cb), (start_id), (end_id), (len), (cache), (data)); \
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EINA_SAFETY_ON_FALSE_RETURN(size_result.filled_items > 0); \
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} while(0);
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#define BATCH_ACCESS_SIZE_VAL(cb, start_id, end_id, len, cache, data, V) \
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do { \
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size_result = _batch_request_size((cb), (start_id), (end_id), (len), (cache), (data)); \
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EINA_SAFETY_ON_FALSE_RETURN_VAL(size_result.filled_items > 0, V); \
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} while(0);
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static Efl_Ui_Position_Manager_Object_Batch_Result
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_batch_request_objects(Api_Callbacks cb , int start_id, int end_id, int len, void *data)
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{
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Efl_Ui_Position_Manager_Object_Batch_Result res;
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Eina_Rw_Slice slice;
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slice.mem = data;
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slice.len = len;
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Efl_Ui_Position_Manager_Request_Range range;
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range.start_id = start_id;
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range.end_id = MIN(start_id + len, end_id);
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res = cb.object.access(cb.object.data, range, slice);
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return res;
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}
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#define BATCH_ACCESS_OBJECT(cb, start_id, end_id, len, data) \
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do { \
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object_result = _batch_request_objects((cb), (start_id), (end_id), (len), (data)); \
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EINA_SAFETY_ON_FALSE_RETURN(object_result.filled_items > 0); \
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} while(0);
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#define BATCH_ACCESS_OBJECT_VAL(cb, start_id, end_id, len, data, v) \
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do { \
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object_result = _batch_request_objects((cb), (start_id), (end_id), (len), (data)); \
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EINA_SAFETY_ON_FALSE_RETURN_VAL(object_result.filled_items > 0, v); \
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} while(0);
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static inline void
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vis_change_segment(Api_Callbacks cb, int a, int b, Eina_Bool flag)
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{
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const int len = 50;
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Efl_Ui_Position_Manager_Object_Batch_Entity data[len];
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Efl_Ui_Position_Manager_Object_Batch_Result object_result;
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if (a == b) return;
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for (int i = MIN(a, b); i < MAX(a, b); ++i)
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{
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Efl_Gfx_Entity *ent = NULL;
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int buffer_id = (i-MIN(a,b)) % len;
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if (buffer_id == 0)
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{
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BATCH_ACCESS_OBJECT(cb, i, MAX(a,b), len, data);
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}
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ent = data[buffer_id].entity;
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if (ent && !flag && (efl_ui_focus_object_focus_get(ent) || efl_ui_focus_object_child_focus_get(ent)))
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{
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//we should not make focused object invisible, rather move it to some parking lot
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efl_gfx_entity_position_set(ent, EINA_POSITION2D(-9999,-9999));
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}
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if (ent && !efl_ui_focus_object_focus_get(ent))
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{
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efl_gfx_entity_visible_set(ent, flag);
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}
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}
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}
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static inline void
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vis_segment_swap(Api_Callbacks cb, Vis_Segment new, Vis_Segment old)
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{
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if (new.end_id <= old.start_id || new.start_id >= old.end_id)
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{
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//it is important to first make the segment visible here, and then hide the rest
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//otherwise we get a state where item_container has 0 subchildren, which triggers a lot of focus logic.
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vis_change_segment(cb, new.start_id, new.end_id, EINA_TRUE);
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vis_change_segment(cb, old.start_id, old.end_id, EINA_FALSE);
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}
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else
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{
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vis_change_segment(cb, old.start_id, new.start_id, (old.start_id > new.start_id));
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vis_change_segment(cb, old.end_id, new.end_id, (old.end_id < new.end_id));
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}
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}
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#endif
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