170 lines
4.9 KiB
C
170 lines
4.9 KiB
C
/*
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* vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
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*/
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#include "edje_private.h"
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#define E_SMART_OBJ_GET(smart, o, type) \
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{ \
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char *_e_smart_str; \
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\
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if (!o) return; \
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smart = evas_object_smart_data_get(o); \
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if (!smart) return; \
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_e_smart_str = (char *)evas_object_type_get(o); \
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if (!_e_smart_str) return; \
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if (strcmp(_e_smart_str, type)) return; \
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}
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#define E_SMART_OBJ_GET_RETURN(smart, o, type, ret) \
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{ \
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char *_e_smart_str; \
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\
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if (!o) return ret; \
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smart = evas_object_smart_data_get(o); \
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if (!smart) return ret; \
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_e_smart_str = (char *)evas_object_type_get(o); \
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if (!_e_smart_str) return ret; \
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if (strcmp(_e_smart_str, type)) return ret; \
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}
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#define E_OBJ_NAME "edje_container_object"
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typedef struct _Smart_Data Smart_Data;
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typedef struct _Smart_Data_Colinfo Smart_Data_Colinfo;
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struct _Smart_Data
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{
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Evas_Coord x, y, w, h;
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Eina_List *children;
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Evas_Object *smart_obj;
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int cols, rows;
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Evas_Coord contents_w, contents_h;
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Evas_Coord min_row_h, max_row_h;
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Evas_Coord min_w, max_w, min_h, max_h;
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Smart_Data_Colinfo *colinfo;
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int freeze;
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double scroll_x, scroll_y;
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double align_x, align_y;
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unsigned char changed : 1;
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unsigned char change_child : 1;
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unsigned char change_child_list : 1;
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unsigned char change_cols : 1;
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unsigned char change_scroll : 1;
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unsigned char need_layout : 1;
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unsigned char homogenous : 1;
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};
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struct _Smart_Data_Colinfo
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{
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Evas_Coord minw, maxw;
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};
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/* All items are virtual constructs that provide Evas_Objects at some point.
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* Edje may move, resize, show, hide, clip, unclip, raise, lower etc. this
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* item AFTER it calls the item's add() method and before it calls the del()
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* method. Edje may call add() and del() at any time as often items may not
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* be visible and so may not need to exist at all - they are merely information
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* used for layout, and nothing more. this helps save cpu and memory keeping
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* things responsive for BIG lists of items. you create an item from an item
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* class then ask that item to be appended/prepended etc. to the container.
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*/
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typedef struct _Edje_Item Edje_Item;
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typedef struct _Edje_Item_Cell Edje_Item_Cell;
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typedef struct _Edje_Item_Class Edje_Item_Class;
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struct _Edje_Item_Class
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{
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Evas_Object *(*add) (Edje_Item *ei);
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void (*del) (Edje_Item *ei);
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void (*select) (Edje_Item *ei);
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void (*deselect) (Edje_Item *ei);
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void (*focus) (Edje_Item *ei);
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void (*unfocus) (Edje_Item *ei);
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};
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/* private */
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struct _Edje_Item
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{
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Edje_Item_Class *class;
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void *class_data;
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void *sd;
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void *data;
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Evas_Object *object;
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Evas_Object *overlay_object;
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int freeze;
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Evas_Coord y, h;
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Evas_Coord minh, maxh;
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int cells_num;
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Edje_Item_Cell *cells;
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unsigned char accessible : 1;
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unsigned char recalc : 1;
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unsigned char selected : 1;
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unsigned char disabled : 1;
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unsigned char focused : 1;
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};
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struct _Edje_Item_Cell
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{
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Evas_Object *obj;
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Evas_Coord x, w;
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Evas_Coord minw, minh, maxw, maxh;
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};
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/* here is an item for a vertical list - with 1 or more columns. this has 3 */
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/* just rotate for a horizontal list */
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/*
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* COL 0 COL 1 COL 2
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*
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* +-----------------------------+ +-------+ +----------------+
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* | pad_top | | | | |
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* | pad_left OBJECT pad_right | | OBJ | | OBJECT | ROW 0
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* | pad_bottom | | | | |
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* +-----------------------------+ +-------+ +----------------+
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* /\ /|\
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* space_row || +-- space_col
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* \/
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* +-----------------------------+ +-------+ +----------------+
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* | | | | | |
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* | | | | | | ROW 1
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* | | | | | |
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* +-----------------------------+ +-------+ +----------------+
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*
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* spacer object:
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* 1 Edje object goes in-between each row as a spacer object (opt)
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* 1 Edje object goes in-between each column as a spacer object (opt)
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*
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* surround object:
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* 1 Edje object goes around each item - item swallowed into "item" part (opt)
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* if no "item" part then just underlay it
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* on select send "select" "" signal
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* on unselect send "unselect" "" signal
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* on focus send "focus" "" signal
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* on unfocus send "unfocus" signal
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*
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* if any list item/cell is an Edje object emit this to them too.
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*
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* also call callbacks.
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* if a surround object emits such a signal itself then call callbacks too
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*
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* only 1 or 0 items can be focused
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* disabled items cannot be focused or selected/deselected
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*
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*/
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