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#ifndef ELM_WIDGET_GENGRID_H
#define ELM_WIDGET_GENGRID_H
#include "elm_gen_common.h"
#include "Elementary.h"
/* DO NOT USE THIS HEADER UNLESS YOU ARE PREPARED FOR BREAKING OF YOUR
* CODE. THIS IS ELEMENTARY'S INTERNAL WIDGET API (for now) AND IS NOT
* FINAL. CALL elm_widget_api_check(ELM_INTERNAL_API_VERSION) TO CHECK
* IT AT RUNTIME.
*/
/**
* @addtogroup Widget
* @{
*
* @section elm-gengrid-class The Elementary Gengrid Class
*
* Elementary, besides having the @ref Gengrid widget, exposes its
* foundation -- the Elementary Gengrid Class -- in order to create
* other widgets which are a gengrid with some more logic on top.
*/
/**
* Base widget smart data extended with gengrid instance data.
*/
typedef struct _Elm_Gengrid_Data Elm_Gengrid_Data;
struct _Elm_Gengrid_Data
{
Eina_Inlist_Sorted_State *state;
Evas_Object *hit_rect;
Evas_Object *pan_obj;
Evas_Object *obj; // the object itself
Evas_Object *stack; // stacking markers in pan for selectraise feature
Eina_List *selected; /* a list of
* selected
* items */
Eina_List *group_items; /* a list of
* groups index
* items */
Eina_Inlist *items; /* an inlist of all items */
Elm_Gen_Item *reorder_it; /* item currently
* being
* repositioned */
Elm_Object_Item *last_selected_item;
Elm_Object_Item *focused_item; /**< a focused item by keypad arrow or mouse. This is set to NULL if widget looses focus. */
Elm_Object_Item *last_focused_item; /**< This records the last focused item when widget looses focus. This is required to set the focus on last focused item when widgets gets focus. */
Elm_Object_Item *show_it;
Elm_Object_Item *bring_in_it;
Elm_Gengrid_Item_Scrollto_Type scroll_to_type;
Eina_Hash *content_item_map;
Eo *provider;
Elm_Gen_Item *focus_on_realization;
Ecore_Job *calc_job;
int walking;
int item_width, item_height;
int group_item_width, group_item_height;
int minw, minh;
unsigned int item_count;
Evas_Coord pan_x, pan_y;
Elm_Object_Select_Mode select_mode;
Elm_Object_Multi_Select_Mode multi_select_mode; /**< select mode for multiple selection */
Ecore_Cb calc_cb;
Ecore_Cb clear_cb;
/* longpress timeout. this value comes from _elm_config by
* default. this can be changed by
* elm_config_longpress_timeout_set() */
double longpress_timeout;
/* a generation of gengrid. when gengrid is cleared, this value
* will be increased and a new generation will start */
int generation;
Eina_Compare_Cb item_compare_cb;
/* The stuff below directly come from gengrid without any thinking */
unsigned int nmax;
Evas_Coord reorder_item_x, reorder_item_y;
Evas_Coord old_pan_x, old_pan_y;
long items_lost;
double align_x, align_y;
struct
{
Elm_Gen_Item *it1, *it2; /**< The items which are getting swapped */
void *data; /**< This is the data used to store information related to animation */
Elm_Focus_Direction dir; /**< focus key direction */
Ecore_Pos_Map tween_mode; /**< Position mappings for animation */
Evas_Coord x1, y1, x2, y2; /**< Coordinates of it1 and it2 */
Elm_Gengrid_Reorder_Type type; /**< Reorder type */
Eina_Bool running : 1; /**< animation is happening */
} reorder;
Eina_Bool reorder_item_changed : 1;
Eina_Bool move_effect_enabled : 1;
Eina_Bool old_h_bounce;
Eina_Bool old_v_bounce;
/* a flag for reorder mode enable/disable */
Eina_Bool reorder_mode : 1;
Eina_Bool was_selected : 1;
Eina_Bool longpressed : 1;
Eina_Bool pan_changed : 1;
Eina_Bool horizontal : 1;
/* a flag for items can be highlighted or not. by default this flag
* is true. */
Eina_Bool highlight : 1;
Eina_Bool clear_me : 1; /**< a flag whether
* gengrid is marked
* as to be cleared or
* not. if this flag
* is true, gengrid
* clear was already
* deferred. */
Eina_Bool on_hold : 1;
Eina_Bool filled : 1;
Eina_Bool multi : 1; /* a flag for item
* multi
* selection */
Eina_Bool show_region : 1;
Eina_Bool bring_in : 1;
Eina_Bool mouse_down : 1; /**< a flag that mouse is down on the list at the moment. this flag is set to true on mouse and reset to false on mouse up */
/**< value whether item loop feature is enabled or not. */
Eina_Bool item_loop_enable : 1;
Eina_Inlist *item_cache; /* an inlist of
* edje object it
* cache. */
int item_cache_count;
int item_cache_max;
/* custom dimensions may be set for any item.
* the logic for placing items requires that either item widths
* for horizontal gengrid or item height for vertical gengrid
* may be varied at once. */
Eina_Bool custom_size_mode : 1; /* a flag that items have custom sizes */
unsigned int *custom_size_sum; /* array to store sum of the widths for items placed already for each row or sum of heights for each column. this is to find location of next item. */
unsigned int *custom_tot_sum; /* array to store total sum of all widths or heights. this is used for item alignment calculations. */
unsigned int custom_tot_max; /* maximum of the total sums over all rows or columns. this is also used for item alignment calculations. */
unsigned int custom_alloc_size; /* amount of memory allocated to above dynamic arrays in terms of number of rows or columns. */
Eina_Bool scr_minw;
Eina_Bool scr_minh;
};
struct Elm_Gen_Item_Type
{
Elm_Gen_Item *it;
Elm_Gengrid_Data *wsd;
Ecore_Animator *item_reorder_move_animator;
Evas_Coord gx, gy, ox, oy, tx, ty, rx, ry;
unsigned int moving_effect_start_time;
int prev_group;
Eina_Bool group_realized : 1;
Eina_Bool moving : 1;
Eina_Bool nocache_once : 1; /* do not use cache for
* this item only once */
Eina_Bool nocache : 1; /* do not use cache for this item */
/* for non homogenous items */
Evas_Coord w, h, sw, sh;
};
typedef struct _Item_Cache Item_Cache;
struct _Item_Cache
{
EINA_INLIST;
Evas_Object *base_view, *spacer;
const char *item_style; // it->itc->item_style
Eina_List *contents;
};
typedef struct _Elm_Gengrid_Pan_Data Elm_Gengrid_Pan_Data;
struct _Elm_Gengrid_Pan_Data
{
Evas_Object *wobj;
Elm_Gengrid_Data *wsd;
Ecore_Job *resize_job;
};
/**
* @}
*/
#define GG_IT(_it) (_it->item)
#define ELM_GENGRID_DATA_GET(o, sd) \
Elm_Gengrid_Data * sd = efl_data_scope_get(o, ELM_GENGRID_CLASS)
#define ELM_GENGRID_PAN_DATA_GET(o, sd) \
Elm_Gengrid_Pan_Data * sd = efl_data_scope_get(o, ELM_GENGRID_PAN_CLASS)
#define ELM_GENGRID_DATA_GET_FROM_ITEM(it, sd) \
Elm_Gengrid_Data * sd = GG_IT(it)->wsd
#define ELM_GENGRID_DATA_GET_OR_RETURN(o, ptr) \
ELM_GENGRID_DATA_GET(o, ptr); \
if (EINA_UNLIKELY(!ptr)) \
{ \
ERR("No widget data for object %p (%s)", \
o, evas_object_type_get(o)); \
return; \
}
#define ELM_GENGRID_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
ELM_GENGRID_DATA_GET(o, ptr); \
if (EINA_UNLIKELY(!ptr)) \
{ \
ERR("No widget data for object %p (%s)", \
o, evas_object_type_get(o)); \
return val; \
}
#define ELM_GENGRID_CHECK(obj) \
if (EINA_UNLIKELY(!efl_isa((obj), ELM_GENGRID_CLASS))) \
return
#define ELM_GENGRID_ITEM_CHECK(it) \
ELM_WIDGET_ITEM_CHECK_OR_RETURN(it->base, ); \
ELM_GENGRID_CHECK(it->base->widget);
#define ELM_GENGRID_ITEM_CHECK_OR_RETURN(it, ...) \
ELM_WIDGET_ITEM_CHECK_OR_RETURN(it->base, __VA_ARGS__); \
ELM_GENGRID_CHECK(it->base->widget) __VA_ARGS__;
#define ELM_GENGRID_ITEM_CHECK_OR_GOTO(it, label) \
ELM_WIDGET_ITEM_CHECK_OR_GOTO(it->base, label); \
if (!it->base->widget || !efl_isa \
((it->base->widget), ELM_GENGRID_CLASS)) goto label;
#define ELM_GENGRID_ITEM_DATA_GET(o, sd) \
Elm_Gen_Item* sd = efl_data_scope_get(o, ELM_GENGRID_ITEM_CLASS)
#endif
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