1 files changed, 165 insertions, 0 deletions

diff --git a/libraries/edje/src/lib/edje_container.h b/libraries/edje/src/lib/edje_container.h
new file mode 100644
index 0000000..0fba62c
--- /dev/null
+++ b/libraries/edje/src/lib/edje_container.h
@@ -0,0 +1,165 @@
+#include "edje_private.h"
+
+
+#define E_SMART_OBJ_GET(smart, o, type) \
+     { \
+        char *_e_smart_str; \
+        \
+        if (!o) return; \
+        smart = evas_object_smart_data_get(o); \
+        if (!smart) return; \
+        _e_smart_str = (char *)evas_object_type_get(o); \
+        if (!_e_smart_str) return; \
+        if (strcmp(_e_smart_str, type)) return; \
+     }
+
+#define E_SMART_OBJ_GET_RETURN(smart, o, type, ret) \
+   { \
+      char *_e_smart_str; \
+      \
+      if (!o) return ret; \
+      smart = evas_object_smart_data_get(o); \
+      if (!smart) return ret; \
+      _e_smart_str = (char *)evas_object_type_get(o); \
+      if (!_e_smart_str) return ret; \
+      if (strcmp(_e_smart_str, type)) return ret; \
+   }
+
+#define E_OBJ_NAME "edje_container_object"
+
+typedef struct _Smart_Data         Smart_Data;
+typedef struct _Smart_Data_Colinfo Smart_Data_Colinfo;
+
+struct _Smart_Data
+{
+   Evas_Coord     x, y, w, h;
+   Eina_List     *children;
+   Evas_Object   *smart_obj;
+   int            cols, rows;
+
+   Evas_Coord     contents_w, contents_h;
+   Evas_Coord     min_row_h, max_row_h;
+   Evas_Coord     min_w, max_w, min_h, max_h;
+
+   Smart_Data_Colinfo *colinfo;
+
+   int            freeze;
+
+   double         scroll_x, scroll_y;
+   double         align_x, align_y;
+
+   unsigned char  changed : 1;
+   unsigned char  change_child : 1;
+   unsigned char  change_child_list : 1;
+   unsigned char  change_cols : 1;
+   unsigned char  change_scroll : 1;
+
+   unsigned char  need_layout : 1;
+
+   unsigned char  homogenous : 1;
+};
+
+struct _Smart_Data_Colinfo
+{
+   Evas_Coord minw, maxw;
+};
+
+/* All items are virtual constructs that provide Evas_Objects at some point.
+ * Edje may move, resize, show, hide, clip, unclip, raise, lower etc. this
+ * item AFTER it calls the item's add() method and before it calls the del()
+ * method. Edje may call add() and del() at any time as often items may not
+ * be visible and so may not need to exist at all - they are merely information
+ * used for layout, and nothing more. this helps save cpu and memory keeping
+ * things responsive for BIG lists of items. you create an item from an item
+ * class then ask that item to be appended/prepended etc. to the container.
+ */
+typedef struct _Edje_Item       Edje_Item;
+typedef struct _Edje_Item_Cell  Edje_Item_Cell;
+typedef struct _Edje_Item_Class Edje_Item_Class;
+
+struct _Edje_Item_Class
+{
+   Evas_Object *(*add)      (Edje_Item *ei);
+   void         (*del)      (Edje_Item *ei);
+   void         (*select)   (Edje_Item *ei);
+   void         (*deselect) (Edje_Item *ei);
+   void         (*focus)    (Edje_Item *ei);
+   void         (*unfocus)  (Edje_Item *ei);
+};
+
+/* private */
+struct _Edje_Item
+{
+   Edje_Item_Class *class;
+   void            *class_data;
+
+   void            *sd;
+
+   void            *data;
+
+   Evas_Object     *object;
+   Evas_Object     *overlay_object;
+   int              freeze;
+   Evas_Coord       y, h;
+
+   Evas_Coord       minh, maxh;
+
+   int              cells_num;
+   Edje_Item_Cell  *cells;
+
+   unsigned char    accessible : 1;
+
+   unsigned char    recalc : 1;
+   unsigned char    selected : 1;
+   unsigned char    disabled : 1;
+   unsigned char    focused : 1;
+};
+
+struct _Edje_Item_Cell
+{
+   Evas_Object *obj;
+   Evas_Coord   x, w;
+   Evas_Coord   minw, minh, maxw, maxh;
+};
+
+/* here is an item for a vertical list - with 1 or more columns. this has 3 */
+/* just rotate for a horizontal list */
+
+/*
+ *             COL 0                 COL 1          COL 2
+ *
+ * +-----------------------------+ +-------+ +----------------+
+ * |          pad_top            | |       | |                |
+ * | pad_left  OBJECT  pad_right | |  OBJ  | |     OBJECT     | ROW 0
+ * |         pad_bottom          | |       | |                |
+ * +-----------------------------+ +-------+ +----------------+
+ *               /\              /|\
+ *     space_row ||               +-- space_col
+ *               \/
+ * +-----------------------------+ +-------+ +----------------+
+ * |                             | |       | |                |
+ * |                             | |       | |                | ROW 1
+ * |                             | |       | |                |
+ * +-----------------------------+ +-------+ +----------------+
+ *
+ * spacer object:
+ * 1 Edje object goes in-between each row as a spacer object (opt)
+ * 1 Edje object goes in-between each column as a spacer object (opt)
+ *
+ * surround object:
+ * 1 Edje object goes around each item - item swallowed into "item" part (opt)
+ *   if no "item" part then just underlay it
+ *   on select send "select" "" signal
+ *   on unselect send "unselect" "" signal
+ *   on focus send "focus" "" signal
+ *   on unfocus send "unfocus" signal
+ *
+ *   if any list item/cell is an Edje object emit this to them too.
+ *
+ *   also call callbacks.
+ *   if a surround object emits such a signal itself then call callbacks too
+ *
+ * only 1 or 0 items can be focused
+ * disabled items cannot be focused or selected/deselected
+ *
+ */