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efl/src/lib/edje/edje_container.c

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#include "edje_private.h"
#include "edje_container.h"
#if 0
static void
_edje_container_relayout(Smart_Data *sd)
{
Eina_List *l;
Evas_Coord x, y, w, h, sw;
Edje_Item *ei;
if (sd->freeze > 0) return;
if (!sd->need_layout) return;
if (sd->w < sd->min_w) sw = sd->min_w;
else if (sd->w > sd->max_w) sw = sd->max_w;
else sw = sd->w;
y = 0;
x = 0;
w = 0;
h = 0;
EINA_LIST_FOREACH(sd->children, l, ei)
{
if (sd->homogenous) h = sd->min_row_h;
ei->y = y;
ei->h = h;
// ei->w = w;
// ei->h = h;
}
sd->need_layout = 0;
}
static void
_edje_container_recalc(Smart_Data *sd)
{
Eina_List *l;
Edje_Item *ei;
int any_max_h = 0, any_max_w = 0;
int i;
if (sd->freeze > 0) return;
if (!sd->changed) return;
sd->min_h = 0;
sd->max_h = -1;
sd->min_w = 0;
sd->max_w = -1;
sd->min_row_h = 0;
sd->max_row_h = -1;
sd->contents_h = 0;
sd->contents_w = 0;
for (i = 0; i < sd->cols; i++)
{
sd->min_w += sd->colinfo[i].minw;
if (sd->colinfo[i].maxw >= 0)
{
if (sd->max_w >= 0)
sd->max_w += sd->colinfo[i].maxw;
else
sd->max_w = sd->colinfo[i].maxw;
}
else
any_max_w = 1;
}
if (any_max_w) sd->max_w = -1;
if (sd->w < sd->min_w)
sd->contents_w = sd->min_w;
else if ((sd->max_w >= 0) && (sd->w < sd->max_w))
sd->w = sd->max_w;
EINA_LIST_FOREACH(sd->children, l, ei)
{
if (ei->minh > sd->min_row_h)
sd->min_row_h = ei->minh;
if (sd->max_row_h >= 0)
{
if (ei->maxh >= 0)
{
if (sd->max_row_h > ei->maxh)
sd->max_row_h = ei->maxh;
}
else
any_max_h = 1;
}
sd->min_h += ei->minh;
if (ei->maxh >= 0)
{
if (sd->max_h >= 0)
sd->max_h += ei->maxh;
else
sd->max_h = ei->maxh;
}
else
any_max_h = 1;
}
if (any_max_h)
{
sd->max_h = -1;
sd->max_row_h = -1;
}
if (sd->homogenous)
{
sd->min_h = eina_list_count(sd->children) * sd->min_row_h;
}
sd->changed = 0;
sd->change_child = 0;
sd->change_child_list = 0;
sd->change_cols = 0;
sd->need_layout = 1;
_edje_container_relayout(sd);
}
static void
_edje_item_recalc(Edje_Item *ei)
{
int i;
if (ei->freeze > 0) return;
if (!ei->recalc) return;
if (!ei->sd) return;
ei->minh = 0;
ei->maxh = -1;
for (i = 0; i < ((Smart_Data *)(ei->sd))->cols; i++)
{
if (ei->cells[i].minh > ei->minh) ei->minh = ei->cells[i].minh;
if (ei->cells[i].maxh >= 0)
{
if (ei->maxh >= 0)
{
if (ei->cells[i].maxh < ei->maxh)
ei->maxh = ei->cells[i].maxh;
}
else
ei->maxh = ei->cells[i].maxh;
}
if (((Smart_Data *)(ei->sd))->colinfo[i].minw < ei->cells[i].minw)
((Smart_Data *)(ei->sd))->colinfo[i].minw = ei->cells[i].minw;
if (((Smart_Data *)(ei->sd))->colinfo[i].maxw >= 0)
{
if (ei->cells[i].maxw >= 0)
{
if (((Smart_Data *)(ei->sd))->colinfo[i].maxw > ei->cells[i].maxw)
((Smart_Data *)(ei->sd))->colinfo[i].maxw = ei->cells[i].maxw;
}
}
else
((Smart_Data *)(ei->sd))->colinfo[i].maxw = ei->cells[i].maxw;
}
ei->recalc = EINA_FALSE;
_edje_container_recalc(ei->sd);
}
/*****************************/
/**
* @endcond
*/
/*============================================================================*
* Global *
*============================================================================*/
/*============================================================================*
* API *
*============================================================================*/
/**
* @addtogroup Edje_container_Group Container
*
* @brief These functions provides an abstraction layer between the application
* code and the interface, while allowing extremely flexible dynamic layouts
* and animations.
*
* For more information, you can look at the @ref tutorial_list_page.
*
* @{
*/
/**
* @brief Create an edje item.
*
* @param cl The edje item of type Edje_Item_Class.
* @param data The edje item data.
*
* @return The new edje item created.
*
* This function creates an new edje item. The edje item data can be
* retrieved with edje_item_data_get().
*
* @see edje_item_del()
* @see edje_item_data_set()
* @see edje_item_data_get()
*
*/
Edje_Item *
edje_item_add(Edje_Item_Class *cl, void *data)
{
Edje_Item *ei;
ei = calloc(sizeof(Edje_Item), 1);
ei->class = cl;
ei->class_data = data;
return ei;
}
/**
* @brief Delete an edje item.
*
* @param ei The edje item to be deleted.
*
* This function deletes the edje item from memory.
*
* @see edje_item_add()
* @see edje_item_data_set()
* @see edje_item_data_get()
*
*/
void
edje_item_del(Edje_Item *ei)
{
Smart_Data *sd;
sd = ei->sd;
if (ei->object) evas_object_del(ei->object);
if (ei->overlay_object) evas_object_del(ei->overlay_object);
free(ei);
if (!sd) return;
sd->changed = 1;
sd->change_child_list = 1;
_edje_container_recalc(sd);
}
/**
* @brief Return the smart object of the edje item.
*
* @param ei The edje item which the smart object of type Evas_Object is get
* from.
*
* This function returns the smart object in the edje item.
*
*/
Evas_Object *
edje_item_container_get(Edje_Item *ei)
{
if (!ei->sd) return NULL;
return ((Smart_Data *)(ei->sd))->smart_obj;
}
/* an arbitrary data pointer to use to track other data */
/**
* @brief Set the edje item data.
*
* @param ei The edje item of type Edje_Item_Class.
* @param data The edje item data.
*
* This function set the data of the edje item. The edje item data can be
* retrieved with edje_item_data_get().
*
* @see edje_item_add()
* @see edje_item_del()
* @see edje_item_data_get()
*
*/
void
edje_item_data_set(Edje_Item *ei, void *data)
{
ei->data = data;
}
/**
* @brief Get the data of the edje item.
*
* @param ei The edje item of type Edje_Item_Class.
*
* This function get the data of the edje item set by edje_item_data_set().
*
* @see edje_item_data_set()
* @see edje_item_add()
* @see edje_item_del()
*
*/
void *
edje_item_data_get(Edje_Item *ei)
{
return ei->data;
}
/* this object covers the entire item */
void
edje_item_overlay_object_set(Edje_Item *ei, Evas_Object *obj)
{
if (ei->overlay_object)
{
/* FIXME: if it changed - remove...*/
}
ei->overlay_object = obj;
if (ei->sd)
evas_object_smart_member_add(((Smart_Data *)(ei->sd))->smart_obj, obj);
}
Evas_Object *
edje_item_overlay_object_get(Edje_Item *ei)
{
return ei->overlay_object;
}
/* this object goes under entire item */
void
edje_item_object_set(Edje_Item *ei, Evas_Object *obj)
{
if (ei->object)
{
/* FIXME: if it changed - remove...*/
}
ei->object = obj;
if (ei->sd)
evas_object_smart_member_add(((Smart_Data *)(ei->sd))->smart_obj, obj);
}
Evas_Object *
edje_item_object_get(Edje_Item *ei)
{
return ei->object;
}
/* optionally you can manage each column's object yourself OR let Edje do it */
void
edje_item_object_column_set(Edje_Item *ei, int col, Evas_Object *obj)
{
if (ei->cells_num <= (col + 1))
{
/* FIXME: unsafe realloc */
ei->cells = realloc(ei->cells, sizeof(Edje_Item_Cell) * col);
ei->cells_num = col + 1;
}
ei->cells[col].obj = obj;
}
Evas_Object *
edje_item_object_column_get(Edje_Item *ei, int col)
{
if (ei->cells_num <= (col + 1)) return NULL;
return ei->cells[col].obj;
}
/* query the item for the items preferred co-ords */
void
edje_item_geometry_get(Edje_Item *ei, Evas_Coord *x, Evas_Coord *y, Evas_Coord *w, Evas_Coord *h)
{
if (!ei->sd)
{
if (x) *x = 0;
if (y) *y = 0;
if (w) *w = 0;
if (h) *h = 0;
return;
}
if (x) *x = ((Smart_Data *)(ei->sd))->x;
if (y) *y = ((Smart_Data *)(ei->sd))->y + ei->y;
if (w) *w = ((Smart_Data *)(ei->sd))->w;
if (h) *h = ei->h;
}
/* freeze and thaw items if u are about to do a bunch of changes */
int
edje_item_freeze(Edje_Item *ei)
{
ei->freeze++;
return ei->freeze;
}
int
edje_item_thaw(Edje_Item *ei)
{
ei->freeze--;
if (ei->freeze > 0) return ei->freeze;
if (!ei->sd) return ei->freeze;
if (ei->recalc) _edje_item_recalc(ei);
return ei->freeze;
}
/* column info */
void
edje_item_column_size_set(Edje_Item *ei, int col, Evas_Coord minw, Evas_Coord maxw, Evas_Coord minh, Evas_Coord maxh)
{
if (ei->cells_num <= (col + 1))
{
/* FIXME: unsafe realloc */
ei->cells = realloc(ei->cells, sizeof(Edje_Item_Cell) * col);
ei->cells_num = col + 1;
}
if ((ei->cells[col].minw == minw) &&
(ei->cells[col].minh == minh) &&
(ei->cells[col].maxw == maxw) &&
(ei->cells[col].maxh == maxh)) return;
ei->cells[col].minh = minh;
ei->cells[col].maxh = maxh;
ei->cells[col].minw = minw;
ei->cells[col].maxw = maxw;
ei->recalc = EINA_TRUE;
if (ei->sd)
{
((Smart_Data *)(ei->sd))->changed = 1;
((Smart_Data *)(ei->sd))->change_child = 1;
}
_edje_item_recalc(ei);
}
void
edje_item_column_size_get(Edje_Item *ei, int col, Evas_Coord *minw, Evas_Coord *maxw, Evas_Coord *minh, Evas_Coord *maxh)
{
if (ei->cells_num <= (col + 1))
{
if (minw) *minw = 0;
if (minh) *minh = 0;
if (maxw) *maxw = -1;
if (maxh) *maxh = -1;
}
if (minw) *minw = ei->cells[col].minw;
if (minh) *minh = ei->cells[col].minh;
if (maxw) *maxw = ei->cells[col].maxw;
if (maxh) *maxh = ei->cells[col].maxh;
}
/* selection stuff */
void
edje_item_select(Edje_Item *ei)
{
ei->selected = 1;
/* FIXME: trigger item to change visually */
}
void
edje_item_unselect(Edje_Item *ei)
{
ei->selected = 0;
/* FIXME: trigger item to change visually */
}
/* focus stuff - only 1 can be focuesd */
void
edje_item_focus(Edje_Item *ei)
{
// ei->focused = 1;
}
void
edje_item_unfocus(Edje_Item *ei)
{
// ei->focused = 0;
}
/* disable/enable stuff - stops focus and selection working on these items */
void
edje_item_enable(Edje_Item *ei)
{
// ei->disabled = 0;
}
void
edje_item_disable(Edje_Item *ei)
{
// ei->disabled = 1;
}
/* item utils */
int
edje_item_selected_get(Edje_Item *ei)
{
return ei->selected;
}
int
edje_item_focused_get(Edje_Item *ei)
{
return ei->focused;
}
int
edje_item_disabled_get(Edje_Item *ei)
{
return ei->disabled;
}
/***** container calls *****/
int
edje_container_freeze(Evas_Object *obj)
{
Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return 0;
sd->freeze++;
return sd->freeze;
}
int
edje_container_thaw(Evas_Object *obj)
{
Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return 0;
sd->freeze--;
if (sd->freeze <= 0) _edje_container_recalc(sd);
return sd->freeze;
}
void
edje_container_item_append(Evas_Object *obj, Edje_Item *ei)
{
Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return;
sd->children = eina_list_append(sd->children, ei);
sd->changed = 1;
sd->change_child_list = 1;
sd->rows = eina_list_count(sd->children);
_edje_container_recalc(sd);
}
void
edje_container_item_prepend(Evas_Object *obj, Edje_Item *ei)
{
Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return;
sd->children = eina_list_prepend(sd->children, ei);
sd->changed = 1;
sd->change_child_list = 1;
sd->rows = eina_list_count(sd->children);
_edje_container_recalc(sd);
}
void
edje_container_item_append_relative(Evas_Object *obj, Edje_Item *ei, Edje_Item *rel)
{
Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return;
sd->children = eina_list_append_relative(sd->children, ei, rel);
sd->changed = 1;
sd->change_child_list = 1;
sd->rows = eina_list_count(sd->children);
_edje_container_recalc(sd);
}
void
edje_container_item_prepend_relative(Evas_Object *obj, Edje_Item *ei, Edje_Item *rel)
{
Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return;
sd->children = eina_list_prepend_relative(sd->children, ei, rel);
sd->changed = 1;
sd->change_child_list = 1;
sd->rows = eina_list_count(sd->children);
_edje_container_recalc(sd);
}
void
edje_container_item_insert(Evas_Object *obj, Edje_Item *ei, int n)
{
Smart_Data *sd;
void *rel;
sd = evas_object_smart_data_get(obj);
if (!sd) return;
rel = eina_list_nth(sd->children, n);
if (!rel)
sd->children = eina_list_append(sd->children, ei);
else
sd->children = eina_list_append_relative(sd->children, ei, rel);
sd->changed = 1;
sd->change_child_list = 1;
sd->rows = eina_list_count(sd->children);
_edje_container_recalc(sd);
}
void
edje_container_item_remove(Evas_Object *obj, Edje_Item *ei)
{
Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return;
sd->children = eina_list_remove(sd->children, ei);
sd->changed = 1;
sd->change_child_list = 1;
sd->rows = eina_list_count(sd->children);
_edje_container_recalc(sd);
}
void
edje_container_columns_set(Evas_Object *obj, int cols)
{
Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return;
if (sd->cols == cols) return;
sd->colinfo = realloc(sd->colinfo, cols * sizeof(Smart_Data_Colinfo));
if (cols > sd->cols)
{
int i;
for (i = sd->cols; i < cols; i++)
{
sd->colinfo[i].minw = 0;
sd->colinfo[i].maxw = -1;
}
}
sd->cols = cols;
sd->changed = 1;
sd->change_cols = 1;
_edje_container_recalc(sd);
}
int
edje_container_columns_get(Evas_Object *obj)
{
Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return 0;
return sd->cols;
}
void
edje_container_min_size_get(Evas_Object *obj, Evas_Coord *minw, Evas_Coord *minh)
{
Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return;
if (sd->changed)
{
int freeze;
freeze = sd->freeze;
sd->freeze = 0;
_edje_container_recalc(sd);
sd->freeze = freeze;
}
if (minw) *minw = sd->min_w;
if (minh) *minh = sd->min_h;
}
void
edje_container_max_size_get(Evas_Object *obj, Evas_Coord *maxw, Evas_Coord *maxh)
{
Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return;
if (sd->changed)
{
int freeze;
freeze = sd->freeze;
sd->freeze = 0;
_edje_container_recalc(sd);
sd->freeze = freeze;
}
if (maxw) *maxw = sd->max_w;
if (maxh) *maxh = sd->max_h;
}
void
edje_containter_align_set(Evas_Object *obj, double halign, double valign)
{
Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return;
if ((sd->align_x == halign) && (sd->align_y == valign)) return;
sd->align_x = halign;
sd->align_y = valign;
sd->need_layout = 1;
_edje_container_relayout(sd);
}
void
edje_container_align_get(Evas_Object *obj, double *halign, double *valign)
{
Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return;
if (halign) *halign = sd->align_x;
if (valign) *valign = sd->align_y;
}
int
edje_container_count_get(Evas_Object *obj)
{
Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return 0;
return eina_list_count(sd->children);
}
Edje_Item *
edje_container_item_first_get(Evas_Object *obj)
{
Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return NULL;
if (!sd->children) return NULL;
return eina_list_data_get(sd->children);
}
Edje_Item *
edje_container_item_last_get(Evas_Object *obj)
{
Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return NULL;
if (!sd->children) return NULL;
return0 eina_list_data_get(eina_list_last(sd->children));
}
Edje_Item *
edje_container_item_nth_get(Evas_Object *obj, int n)
{
Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return NULL;
return eina_list_nth(sd->children, n);
}
void
edje_container_homogenous_size_set(Evas_Object *obj, int homog)
{
Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return;
if (((homog) && (sd->homogenous)) ||
((!homog) && (!sd->homogenous))) return;
sd->homogenous = homog;
sd->changed = 1;
sd->change_child = 1;
_edje_container_recalc(sd);
}
int
edje_container_homogenous_size_get(Evas_Object *obj)
{
Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return 0;
return sd->homogenous;
}
void
edje_container_scroll_set(Evas_Object *obj, double pos, double shift)
{
Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return;
if ((sd->scroll_y == pos) && (sd->scroll_x == shift)) return;
sd->scroll_y = pos;
sd->scroll_x = shift;
sd->need_layout = 1;
_edje_container_relayout(sd);
}
void
edje_container_scroll_get(Evas_Object *obj, double *pos, double *shift)
{
Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return;
if (pos) *pos = sd->scroll_y;
if (shift) *shift = sd->scroll_x;
}
static void _smart_init(void);
static void _smart_add(Evas_Object * obj);
static void _smart_del(Evas_Object * obj);
static void _smart_move(Evas_Object * obj, Evas_Coord x, Evas_Coord y);
static void _smart_resize(Evas_Object * obj, Evas_Coord w, Evas_Coord h);
static void _smart_show(Evas_Object * obj);
static void _smart_hide(Evas_Object * obj);
static void _smart_color_set(Evas_Object * obj, int r, int g, int b, int a);
static void _smart_clip_set(Evas_Object * obj, Evas_Object * clip);
static void _smart_clip_unset(Evas_Object * obj);
static Evas_Smart *smart = NULL;
Evas_Object *
edje_container_object_add(Evas *evas)
{
_smart_init();
return evas_object_smart_add(evas, smart);
}
/*******************************************/
/* Internal smart object required routines */
/*******************************************/
static void
_smart_init(void)
{
if (smart) return;
{
static const Evas_Smart_Class sc =
{
E_OBJ_NAME,
_smart_add,
_smart_del,
_smart_move,
_smart_resize,
_smart_show,
_smart_hide,
_smart_color_set,
_smart_clip_set,
_smart_clip_unset,
NULL,
NULL,
NULL
};
smart = evas_smart_class_new(&sc);
}
}
static void
_smart_add(Evas_Object *obj)
{
Smart_Data *sd;
sd = calloc(1, sizeof(Smart_Data));
if (!sd) return;
// evas_object_smart_member_add(sd->obj, obj);
evas_object_smart_data_set(obj, sd);
sd->smart_obj = obj;
}
static void
_smart_del(Evas_Object *obj)
{
Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return;
if (sd->colinfo) free(sd->colinfo);
// evas_object_del(sd->obj);
free(sd);
}
static void
_smart_move(Evas_Object *obj, Evas_Coord x, Evas_Coord y)
{
Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return;
// evas_object_move(sd->obj, x, y);
}
static void
_smart_resize(Evas_Object *obj, Evas_Coord w, Evas_Coord h)
{
Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return;
// evas_object_resize(sd->obj, w, h);
}
static void
_smart_show(Evas_Object *obj)
{
Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return;
// evas_object_show(sd->obj);
}
static void
_smart_hide(Evas_Object *obj)
{
Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return;
// evas_object_hide(sd->obj);
}
static void
_smart_color_set(Evas_Object *obj, int r, int g, int b, int a)
{
Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return;
// evas_object_color_set(sd->obj, r, g, b, a);
}
static void
_smart_clip_set(Evas_Object *obj, Evas_Object *clip)
{
Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return;
// evas_object_clip_set(sd->obj, clip);
}
static void
_smart_clip_unset(Evas_Object *obj)
{
Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return;
// evas_object_clip_unset(sd->obj);
}
#endif
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