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#include "e.h"
typedef struct _E_Smart_Data E_Smart_Data;
typedef struct _E_Flowlayout_Item E_Flowlayout_Item;
struct _E_Smart_Data
{
Evas_Coord x, y, w, h;
Evas_Object *obj;
Evas_Object *clip;
int frozen;
unsigned char changed E_BITFIELD;
unsigned char horizontal E_BITFIELD;
unsigned char homogenous E_BITFIELD;
unsigned char fill E_BITFIELD;
unsigned char flowright E_BITFIELD;
unsigned char flowbottom E_BITFIELD;
Eina_List *items;
struct
{
Evas_Coord w, h;
} min, max;
struct
{
double x, y;
} align;
int rows;
int cols;
};
struct _E_Flowlayout_Item
{
E_Smart_Data *sd;
unsigned char fill_w E_BITFIELD;
unsigned char fill_h E_BITFIELD;
unsigned char expand_w E_BITFIELD;
unsigned char expand_h E_BITFIELD;
struct
{
Evas_Coord w, h;
} min, max;
struct
{
double x, y;
} align;
Evas_Object *obj;
};
/* local subsystem functions */
static E_Flowlayout_Item *_e_flowlayout_smart_adopt(E_Smart_Data *sd, Evas_Object *obj);
static void _e_flowlayout_smart_disown(Evas_Object *obj);
static void _e_flowlayout_smart_item_del_hook(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void _e_flowlayout_smart_reconfigure(E_Smart_Data *sd);
static void _e_flowlayout_smart_extents_calcuate(E_Smart_Data *sd);
static void _e_flowlayout_smart_init(void);
static void _e_flowlayout_smart_add(Evas_Object *obj);
static void _e_flowlayout_smart_del(Evas_Object *obj);
static void _e_flowlayout_smart_move(Evas_Object *obj, Evas_Coord x, Evas_Coord y);
static void _e_flowlayout_smart_resize(Evas_Object *obj, Evas_Coord w, Evas_Coord h);
static void _e_flowlayout_smart_show(Evas_Object *obj);
static void _e_flowlayout_smart_hide(Evas_Object *obj);
static void _e_flowlayout_smart_color_set(Evas_Object *obj, int r, int g, int b, int a);
static void _e_flowlayout_smart_clip_set(Evas_Object *obj, Evas_Object *clip);
static void _e_flowlayout_smart_clip_unset(Evas_Object *obj);
/* local subsystem globals */
static Evas_Smart *_e_smart = NULL;
/* externally accessible functions */
E_API Evas_Object *
e_flowlayout_add(Evas *evas)
{
_e_flowlayout_smart_init();
return evas_object_smart_add(evas, _e_smart);
}
E_API int
e_flowlayout_freeze(Evas_Object *obj)
{
E_Smart_Data *sd;
if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERR(0);
sd = evas_object_smart_data_get(obj);
if (!sd) return 0;
sd->frozen++;
return sd->frozen;
}
E_API int
e_flowlayout_thaw(Evas_Object *obj)
{
E_Smart_Data *sd;
if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERR(0);
sd = evas_object_smart_data_get(obj);
if (!sd) return 0;
sd->frozen--;
if (sd->frozen <= 0) _e_flowlayout_smart_reconfigure(sd);
return sd->frozen;
}
E_API void
e_flowlayout_orientation_set(Evas_Object *obj, int horizontal)
{
E_Smart_Data *sd;
if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERRNR();
sd = evas_object_smart_data_get(obj);
if (!sd) return;
if (((sd->horizontal) && (horizontal)) ||
((!sd->horizontal) && (!horizontal))) return;
sd->horizontal = horizontal;
sd->changed = 1;
if (sd->frozen <= 0) _e_flowlayout_smart_reconfigure(sd);
}
E_API int
e_flowlayout_orientation_get(Evas_Object *obj)
{
E_Smart_Data *sd;
if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERR(0);
sd = evas_object_smart_data_get(obj);
if (!sd) return 0;
return sd->horizontal;
}
E_API void
e_flowlayout_flowdirection_set(Evas_Object *obj, int right, int bottom)
{
E_Smart_Data *sd;
if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERRNR();
sd = evas_object_smart_data_get(obj);
if (!sd) return;
if ((((sd->flowbottom) && (bottom)) ||
((!sd->flowbottom) && (!bottom))) &&
(((sd->flowright) && (right)) ||
((!sd->flowright) && (!right)))) return;
sd->flowright = right;
sd->flowbottom = bottom;
sd->changed = 1;
if (sd->frozen <= 0) _e_flowlayout_smart_reconfigure(sd);
}
E_API void
e_flowlayout_flowdirection_get(Evas_Object *obj, int *right, int *bottom)
{
E_Smart_Data *sd;
if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERRNR();
sd = evas_object_smart_data_get(obj);
if (!sd) return;
if (right) *right = sd->flowright;
if (bottom) *bottom = sd->flowright;
}
E_API void
e_flowlayout_homogenous_set(Evas_Object *obj, int homogenous)
{
E_Smart_Data *sd;
if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERRNR();
sd = evas_object_smart_data_get(obj);
if (!sd) return;
if (sd->homogenous == homogenous) return;
sd->homogenous = homogenous;
sd->changed = 1;
if (sd->frozen <= 0) _e_flowlayout_smart_reconfigure(sd);
}
E_API int
e_flowlayout_homogenous_get(Evas_Object *obj)
{
E_Smart_Data *sd;
if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERR(0);
sd = evas_object_smart_data_get(obj);
if (!sd) return 0;
return sd->homogenous;
}
E_API void
e_flowlayout_fill_set(Evas_Object *obj, int fill)
{
E_Smart_Data *sd;
if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERRNR();
sd = evas_object_smart_data_get(obj);
if (!sd) return;
if (sd->fill == fill) return;
sd->fill = fill;
sd->changed = 1;
if (sd->frozen <= 0) _e_flowlayout_smart_reconfigure(sd);
}
E_API int
e_flowlayout_fill_get(Evas_Object *obj)
{
E_Smart_Data *sd;
if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERR(0);
sd = evas_object_smart_data_get(obj);
if (!sd) return 0;
return sd->fill;
}
E_API int
e_flowlayout_pack_start(Evas_Object *obj, Evas_Object *child)
{
E_Smart_Data *sd;
if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERR(0);
sd = evas_object_smart_data_get(obj);
if (!sd) return 0;
_e_flowlayout_smart_adopt(sd, child);
sd->items = eina_list_prepend(sd->items, child);
sd->changed = 1;
if (sd->frozen <= 0) _e_flowlayout_smart_reconfigure(sd);
return 0;
}
E_API int
e_flowlayout_pack_end(Evas_Object *obj, Evas_Object *child)
{
E_Smart_Data *sd;
if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERR(0);
sd = evas_object_smart_data_get(obj);
if (!sd) return 0;
_e_flowlayout_smart_adopt(sd, child);
sd->items = eina_list_append(sd->items, child);
sd->changed = 1;
if (sd->frozen <= 0) _e_flowlayout_smart_reconfigure(sd);
return (int)eina_list_count(sd->items) - 1;
}
E_API int
e_flowlayout_pack_before(Evas_Object *obj, Evas_Object *child, Evas_Object *before)
{
E_Smart_Data *sd;
int i = 0;
Eina_List *l;
Evas_Object *item;
if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERR(0);
sd = evas_object_smart_data_get(obj);
if (!sd) return 0;
_e_flowlayout_smart_adopt(sd, child);
sd->items = eina_list_prepend_relative(sd->items, child, before);
EINA_LIST_FOREACH(sd->items, l, item)
{
if (item == child) break;
i++;
}
sd->changed = 1;
if (sd->frozen <= 0) _e_flowlayout_smart_reconfigure(sd);
return i;
}
E_API int
e_flowlayout_pack_after(Evas_Object *obj, Evas_Object *child, Evas_Object *after)
{
E_Smart_Data *sd;
int i = 0;
Eina_List *l;
Evas_Object *item;
if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERR(0);
sd = evas_object_smart_data_get(obj);
if (!sd) return 0;
_e_flowlayout_smart_adopt(sd, child);
sd->items = eina_list_append_relative(sd->items, child, after);
EINA_LIST_FOREACH(sd->items, l, item)
{
if (item == child) break;
i++;
}
sd->changed = 1;
if (sd->frozen <= 0) _e_flowlayout_smart_reconfigure(sd);
return i;
}
E_API int
e_flowlayout_pack_count_get(Evas_Object *obj)
{
E_Smart_Data *sd;
if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERR(0);
sd = evas_object_smart_data_get(obj);
if (!sd) return 0;
return (int)eina_list_count(sd->items);
}
E_API Evas_Object *
e_flowlayout_pack_object_nth(Evas_Object *obj, int n)
{
E_Smart_Data *sd;
if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERR(NULL);
sd = evas_object_smart_data_get(obj);
if (!sd) return NULL;
return eina_list_nth(sd->items, n);
}
E_API Evas_Object *
e_flowlayout_pack_object_first(Evas_Object *obj)
{
E_Smart_Data *sd;
if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERR(NULL);
sd = evas_object_smart_data_get(obj);
if (!sd) return NULL;
return eina_list_data_get(sd->items);
}
E_API Evas_Object *
e_flowlayout_pack_object_last(Evas_Object *obj)
{
E_Smart_Data *sd;
if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERR(NULL);
sd = evas_object_smart_data_get(obj);
if (!sd) return NULL;
return eina_list_last_data_get(sd->items);
}
E_API Evas_Object *
e_flowlayout_pack_object_prev(Evas_Object *obj, Evas_Object *child)
{
E_Smart_Data *sd;
Evas_Object *o;
Eina_List *l;
if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERR(NULL);
sd = evas_object_smart_data_get(obj);
if (!sd) return NULL;
EINA_LIST_FOREACH(sd->items, l, o)
if (o == child) return eina_list_data_get(l->prev);
return NULL;
}
E_API Evas_Object *
e_flowlayout_pack_object_next(Evas_Object *obj, Evas_Object *child)
{
E_Smart_Data *sd;
Evas_Object *o;
Eina_List *l;
if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERR(NULL);
sd = evas_object_smart_data_get(obj);
if (!sd) return NULL;
EINA_LIST_FOREACH(sd->items, l, o)
if (o == child) return eina_list_data_get(l->next);
return NULL;
}
E_API void
e_flowlayout_pack_options_set(Evas_Object *obj, int fill_w, int fill_h, int expand_w, int expand_h, double align_x, double align_y, Evas_Coord min_w, Evas_Coord min_h, Evas_Coord max_w, Evas_Coord max_h)
{
E_Flowlayout_Item *bi;
bi = evas_object_data_get(obj, "e_flowlayout_data");
if (!bi) return;
bi->fill_w = fill_w;
bi->fill_h = fill_h;
bi->expand_w = expand_w;
bi->expand_h = expand_h;
bi->align.x = align_x;
bi->align.y = align_y;
bi->min.w = min_w;
bi->min.h = min_h;
bi->max.w = max_w;
bi->max.h = max_h;
bi->sd->changed = 1;
if (bi->sd->frozen <= 0) _e_flowlayout_smart_reconfigure(bi->sd);
}
E_API void
e_flowlayout_unpack(Evas_Object *obj)
{
E_Flowlayout_Item *bi;
E_Smart_Data *sd;
bi = evas_object_data_get(obj, "e_flowlayout_data");
if (!bi) return;
sd = bi->sd;
if (!sd) return;
sd->items = eina_list_remove(sd->items, obj);
_e_flowlayout_smart_disown(obj);
sd->changed = 1;
if (sd->frozen <= 0) _e_flowlayout_smart_reconfigure(sd);
}
E_API void
e_flowlayout_size_min_get(Evas_Object *obj, Evas_Coord *minw, Evas_Coord *minh)
{
E_Smart_Data *sd;
if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERRNR();
sd = evas_object_smart_data_get(obj);
if (!sd) return;
if (sd->changed) _e_flowlayout_smart_extents_calcuate(sd);
if (minw) *minw = sd->min.w;
if (minh) *minh = sd->min.h;
}
E_API void
e_flowlayout_size_max_get(Evas_Object *obj, Evas_Coord *maxw, Evas_Coord *maxh)
{
E_Smart_Data *sd;
if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERRNR();
sd = evas_object_smart_data_get(obj);
if (!sd) return;
if (sd->changed) _e_flowlayout_smart_extents_calcuate(sd);
if (maxw) *maxw = sd->max.w;
if (maxh) *maxh = sd->max.h;
}
E_API int
e_flowlayout_max_children(Evas_Object *obj)
{
E_Smart_Data *sd;
if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERR(0);
sd = evas_object_smart_data_get(obj);
if (!sd) return -1;
if (!sd->homogenous) return -1;
return sd->rows * sd->cols;
}
E_API void
e_flowlayout_align_get(Evas_Object *obj, double *ax, double *ay)
{
E_Smart_Data *sd;
if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERRNR();
sd = evas_object_smart_data_get(obj);
if (!sd) return;
if (ax) *ax = sd->align.x;
if (ay) *ay = sd->align.y;
}
E_API void
e_flowlayout_align_set(Evas_Object *obj, double ax, double ay)
{
E_Smart_Data *sd;
if (evas_object_smart_smart_get(obj) != _e_smart) SMARTERRNR();
sd = evas_object_smart_data_get(obj);
if (!sd) return;
if (EINA_DBL_EQ(sd->align.x, ax) && EINA_DBL_EQ(sd->align.y, ay)) return;
sd->align.x = ax;
sd->align.y = ay;
sd->changed = 1;
if (sd->frozen <= 0) _e_flowlayout_smart_reconfigure(sd);
}
/* local subsystem functions */
static E_Flowlayout_Item *
_e_flowlayout_smart_adopt(E_Smart_Data *sd, Evas_Object *obj)
{
E_Flowlayout_Item *bi;
bi = calloc(1, sizeof(E_Flowlayout_Item));
if (!bi) return NULL;
bi->sd = sd;
bi->obj = obj;
/* defaults */
bi->fill_w = 0;
bi->fill_h = 0;
bi->expand_w = 0;
bi->expand_h = 0;
bi->align.x = 0.5;
bi->align.y = 0.5;
bi->min.w = 0;
bi->min.h = 0;
bi->max.w = 0;
bi->max.h = 0;
evas_object_clip_set(obj, sd->clip);
evas_object_smart_member_add(obj, bi->sd->obj);
evas_object_data_set(obj, "e_flowlayout_data", bi);
evas_object_event_callback_add(obj, EVAS_CALLBACK_DEL,
_e_flowlayout_smart_item_del_hook, NULL);
if ((!evas_object_visible_get(sd->clip)) &&
(evas_object_visible_get(sd->obj)))
evas_object_show(sd->clip);
return bi;
}
static void
_e_flowlayout_smart_disown(Evas_Object *obj)
{
E_Flowlayout_Item *bi;
bi = evas_object_data_get(obj, "e_flowlayout_data");
if (!bi) return;
if (!bi->sd->items)
{
if (evas_object_visible_get(bi->sd->clip))
evas_object_hide(bi->sd->clip);
}
evas_object_event_callback_del(obj,
EVAS_CALLBACK_DEL,
_e_flowlayout_smart_item_del_hook);
evas_object_smart_member_del(obj);
evas_object_clip_unset(obj);
evas_object_data_del(obj, "e_flowlayout_data");
free(bi);
}
static void
_e_flowlayout_smart_item_del_hook(void *data EINA_UNUSED, Evas *e EINA_UNUSED, Evas_Object *obj, void *event_info EINA_UNUSED)
{
e_flowlayout_unpack(obj);
}
static void
_e_flowlayout_smart_reconfigure(E_Smart_Data *sd)
{
Evas_Coord x, y, w, h, xx, yy, cr, cc;
Eina_List *l;
Evas_Object *obj;
int minw, minh;
int count, expand;
if (!sd->changed) return;
/* local variables */
x = sd->x;
y = sd->y;
w = sd->w;
h = sd->h;
/* Calculate extents */
_e_flowlayout_smart_extents_calcuate(sd);
minw = sd->min.w;
minh = sd->min.h;
count = eina_list_count(sd->items);
expand = 0;
/* Too small? move a little */
if (w < minw)
{
x = x + ((w - minw) * (1.0 - sd->align.x));
w = minw;
}
if (h < minh)
{
y = y + ((h - minh) * (1.0 - sd->align.y));
h = minh;
}
/* Some odd expanding counter */
EINA_LIST_FOREACH(sd->items, l, obj)
{
E_Flowlayout_Item *bi;
bi = evas_object_data_get(obj, "e_flowlayout_data");
if (bi)
{
if (sd->horizontal)
{
if (bi->expand_w) expand++;
}
else
{
if (bi->expand_h) expand++;
}
}
}
/* If no expansion, w is minw, h is minh */
if (expand == 0)
{
if (sd->horizontal)
{
x += (double)(w - minw) * sd->align.x;
w = minw;
}
else
{
y += (double)(h - minh) * sd->align.y;
h = minh;
}
}
/* Some calculations */
if (sd->flowright)
xx = x;
else
xx = x + w;
if (sd->flowbottom)
yy = y;
else
yy = y + h;
cr = 0;
cc = 0;
/* Now for the real deal */
EINA_LIST_FOREACH(sd->items, l, obj)
{
E_Flowlayout_Item *bi;
bi = evas_object_data_get(obj, "e_flowlayout_data");
if (bi)
{
/* Horiziontal */
if (sd->horizontal)
{
/* Homogenous */
if (sd->homogenous)
{
Evas_Coord ww, hh, ow, oh;
ww = w / sd->cols;
hh = h / sd->rows;
if (sd->fill)
{
int num = count - (cr) * (sd->cols);
if (num < sd->cols)
{
ww = w / num;
}
}
ow = bi->min.w;
if (bi->fill_w) ow = ww;
if ((bi->max.w >= 0) && (bi->max.w < ow)) ow = bi->max.w;
oh = bi->min.h;
if (bi->fill_h) oh = hh;
if ((bi->max.h >= 0) && (bi->max.h < oh)) oh = bi->max.h;
if (sd->flowright)
{
if (sd->flowbottom)
{
evas_object_move(obj,
xx + (Evas_Coord)(((double)(ww - ow)) * bi->align.x),
yy + (Evas_Coord)(((double)(hh - oh)) * bi->align.y));
}
else
{
evas_object_move(obj,
xx + (Evas_Coord)(((double)(ww - ow)) * bi->align.x),
yy - hh + (Evas_Coord)(((double)(hh - oh)) * bi->align.y));
}
evas_object_resize(obj, ow, oh);
xx += ww;
}
else
{
if (sd->flowbottom)
{
evas_object_move(obj,
xx - ww + (Evas_Coord)(((double)(ww - ow)) * bi->align.x),
yy + (Evas_Coord)(((double)(hh - oh)) * bi->align.y));
}
else
{
evas_object_move(obj,
xx - ww + (Evas_Coord)(((double)(ww - ow)) * bi->align.x),
yy - hh + (Evas_Coord)(((double)(hh - oh)) * bi->align.y));
}
evas_object_resize(obj, ow, oh);
xx -= ww;
}
cc++;
if (cc >= sd->cols)
{
cc = 0;
cr++;
if (sd->flowright)
xx = x;
else
xx = x + w;
if (sd->flowbottom)
yy += hh;
else
yy -= hh;
}
}
/* TODO Nonhomogenous Horizontal */
else
{
}
}
/* Vertical */
else
{
if (sd->homogenous)
{
Evas_Coord ww, hh, ow, oh;
ww = w / sd->cols;
hh = h / sd->rows;
if (sd->fill)
{
int num = count - (cc) * (sd->rows);
if (num < sd->rows)
{
hh = h / num;
}
}
oh = bi->min.h;
if (bi->fill_h) oh = hh;
if ((bi->max.h >= 0) && (bi->max.h < oh)) oh = bi->max.h;
ow = bi->min.w;
if (bi->fill_w) ow = ww;
if ((bi->max.w >= 0) && (bi->max.w < ow)) ow = bi->max.w;
if (sd->flowbottom)
{
if (sd->flowright)
{
evas_object_move(obj,
xx + (Evas_Coord)(((double)(ww - ow)) * bi->align.x),
yy + (Evas_Coord)(((double)(hh - oh)) * bi->align.y));
}
else
{
evas_object_move(obj,
xx - ww + (Evas_Coord)(((double)(ww - ow)) * bi->align.x),
yy + (Evas_Coord)(((double)(hh - oh)) * bi->align.y));
}
evas_object_resize(obj, ow, oh);
yy += hh;
}
else
{
if (sd->flowright)
{
evas_object_move(obj,
xx + (Evas_Coord)(((double)(ww - ow)) * bi->align.x),
yy - hh + (Evas_Coord)(((double)(hh - oh)) * bi->align.y));
}
else
{
evas_object_move(obj,
xx - ww + (Evas_Coord)(((double)(ww - ow)) * bi->align.x),
yy - hh + (Evas_Coord)(((double)(hh - oh)) * bi->align.y));
}
evas_object_resize(obj, ow, oh);
yy -= hh;
}
cr++;
if (cr >= sd->rows)
{
cr = 0;
cc++;
if (sd->flowbottom)
yy = y;
else
yy = y + h;
if (sd->flowright)
xx += ww;
else
xx -= ww;
}
}
/* TODO Nonhomogeneous Vertical */
else
{
}
}
}
}
sd->changed = 0;
}
static void
_e_flowlayout_smart_extents_calcuate(E_Smart_Data *sd)
{
Eina_List *l;
Evas_Object *obj;
int minw, minh, count;
/* FIXME: need to calc max */
sd->max.w = -1; /* max < 0 == unlimited */
sd->max.h = -1;
minw = 1;
minh = 1;
if (sd->homogenous)
{
EINA_LIST_FOREACH(sd->items, l, obj)
{
E_Flowlayout_Item *bi;
bi = evas_object_data_get(obj, "e_flowlayout_data");
if (bi)
{
if (sd->horizontal)
{
if (minh < bi->min.h) minh = bi->min.h;
if (minw < bi->min.w) minw = bi->min.w;
}
else
{
if (minw < bi->min.w) minw = bi->min.w;
if (minh < bi->min.h) minh = bi->min.h;
}
}
}
if (sd->horizontal)
{
sd->rows = sd->h / minh;
if (sd->rows < 1)
sd->rows = 1;
count = eina_list_count(sd->items);
sd->cols = sd->w / minw;
if (count < sd->cols) sd->cols = count;
sd->rows = 0;
if (sd->cols > 0)
{
while (count > 0)
{
count -= sd->cols;
sd->rows++;
}
}
}
else
{
sd->cols = sd->w / minw;
if (sd->cols < 1)
sd->cols = 1;
count = eina_list_count(sd->items);
sd->rows = sd->h / minh;
if (count < sd->rows) sd->rows = count;
sd->cols = 0;
if (sd->rows > 0)
{
while (count > 0)
{
count -= sd->rows;
sd->cols++;
}
}
}
minw *= sd->cols;
minh *= sd->rows;
}
/* TODO nonhomogenous */
else
{
EINA_LIST_FOREACH(sd->items, l, obj)
{
E_Flowlayout_Item *bi;
bi = evas_object_data_get(obj, "e_flowlayout_data");
if (bi)
{
if (sd->horizontal)
{
if (minh < bi->min.h) minh = bi->min.h * sd->rows;
minw += bi->min.w;
}
else
{
if (minw < bi->min.w) minw = bi->min.w * sd->cols;
minh += bi->min.h;
}
}
}
if (sd->horizontal)
{
sd->rows = sd->h / minh;
minh *= sd->rows;
sd->cols = -1;
minw = minw / sd->cols + 0.2 * minw;
}
else
{
sd->cols = sd->w / minw;
minw *= sd->cols;
sd->rows = -1;
minh = minh / sd->cols + 0.2 * minh;
}
}
sd->min.w = minw;
sd->min.h = minh;
if (sd->rows < 1)
sd->rows = 1;
if (sd->cols < 1)
sd->cols = 1;
}
static void
_e_flowlayout_smart_init(void)
{
if (_e_smart) return;
{
static const Evas_Smart_Class sc =
{
"e_flowlayout",
EVAS_SMART_CLASS_VERSION,
_e_flowlayout_smart_add,
_e_flowlayout_smart_del,
_e_flowlayout_smart_move,
_e_flowlayout_smart_resize,
_e_flowlayout_smart_show,
_e_flowlayout_smart_hide,
_e_flowlayout_smart_color_set,
_e_flowlayout_smart_clip_set,
_e_flowlayout_smart_clip_unset,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL
};
_e_smart = evas_smart_class_new(&sc);
}
}
static void
_e_flowlayout_smart_add(Evas_Object *obj)
{
E_Smart_Data *sd;
sd = calloc(1, sizeof(E_Smart_Data));
if (!sd) return;
sd->obj = obj;
sd->x = 0;
sd->y = 0;
sd->w = 0;
sd->h = 0;
sd->align.x = 0.5;
sd->align.y = 0.5;
sd->clip = evas_object_rectangle_add(evas_object_evas_get(obj));
evas_object_smart_member_add(sd->clip, obj);
evas_object_move(sd->clip, -100004, -100004);
evas_object_resize(sd->clip, 200008, 200008);
evas_object_color_set(sd->clip, 255, 255, 255, 255);
evas_object_smart_data_set(obj, sd);
}
static void
_e_flowlayout_smart_del(Evas_Object *obj)
{
E_Smart_Data *sd;
Evas_Object *child;
sd = evas_object_smart_data_get(obj);
if (!sd) return;
EINA_LIST_FREE(sd->items, child)
{
evas_object_event_callback_del(child, EVAS_CALLBACK_DEL, _e_flowlayout_smart_item_del_hook);
free(evas_object_data_get(child, "e_flowlayout_data"));
}
free(sd);
}
static void
_e_flowlayout_smart_move(Evas_Object *obj, Evas_Coord x, Evas_Coord y)
{
E_Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return;
if ((x == sd->x) && (y == sd->y)) return;
{
Eina_List *l;
Evas_Object *item;
Evas_Coord dx, dy;
dx = x - sd->x;
dy = y - sd->y;
EINA_LIST_FOREACH(sd->items, l, item)
{
Evas_Coord ox, oy;
evas_object_geometry_get(item, &ox, &oy, NULL, NULL);
evas_object_move(item, ox + dx, oy + dy);
}
}
sd->x = x;
sd->y = y;
}
static void
_e_flowlayout_smart_resize(Evas_Object *obj, Evas_Coord w, Evas_Coord h)
{
E_Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return;
if ((w == sd->w) && (h == sd->h)) return;
sd->w = w;
sd->h = h;
sd->changed = 1;
_e_flowlayout_smart_reconfigure(sd);
}
static void
_e_flowlayout_smart_show(Evas_Object *obj)
{
E_Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return;
if (sd->items) evas_object_show(sd->clip);
}
static void
_e_flowlayout_smart_hide(Evas_Object *obj)
{
E_Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return;
evas_object_hide(sd->clip);
}
static void
_e_flowlayout_smart_color_set(Evas_Object *obj, int r, int g, int b, int a)
{
E_Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return;
evas_object_color_set(sd->clip, r, g, b, a);
}
static void
_e_flowlayout_smart_clip_set(Evas_Object *obj, Evas_Object *clip)
{
E_Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return;
evas_object_clip_set(sd->clip, clip);
}
static void
_e_flowlayout_smart_clip_unset(Evas_Object *obj)
{
E_Smart_Data *sd;
sd = evas_object_smart_data_get(obj);
if (!sd) return;
evas_object_clip_unset(sd->clip);
}