efl/legacy/elementary/src/lib/elm_genlist.c

640 lines
16 KiB
C

#include <Elementary.h>
#include "elm_priv.h"
typedef struct _Widget_Data Widget_Data;
typedef struct _Item Item;
typedef struct _Item_Block Item_Block;
typedef struct _Pan Pan;
struct _Widget_Data
{
Evas_Object *scr;
Evas_Object *pan_smart;
Evas_Object *content;
Eina_Inlist *items;
Eina_Inlist *blocks;
Pan *pan;
Evas_Coord pan_x, pan_y, minw, minh;
Evas_Bool min_w : 1;
Evas_Bool min_h : 1;
};
struct _Item_Block
{
Eina_Inlist __header;
int count;
Widget_Data *wd;
Evas_Object *obj;
Eina_List *items;
Evas_Coord x, y, w, h, minw, minh;
Evas_Bool realized : 1;
Evas_Bool changed : 1;
};
struct _Item
{
Eina_Inlist __header;
Item_Block *block;
Eina_Inlist *subblocks; // not done yet
Eina_Inlist *subitems; // not done yet
Evas_Coord x, y, w, h, minw, minh;
Evas_Bool realized : 1;
Evas_Bool selected : 1;
Evas_Bool expanded : 1; // not done yet
Evas_Bool disabled : 1;
Evas_Bool mincalcd : 1;
const Elm_Genlist_Item_Class *itc;
const void *data;
Elm_Genlist_Item *parent; // not done yet
Elm_Genlist_Item_Flags flags;
struct {
void (*func) (void *data, Evas_Object *obj, void *event_info);
const void *data;
} func;
Evas_Object *base;
};
struct _Pan {
Evas_Object_Smart_Clipped_Data __clipped_data;
Widget_Data *wd;
};
static void _del_hook(Evas_Object *obj);
static void _theme_hook(Evas_Object *obj);
static void _show_region_hook(void *data, Evas_Object *obj);
static void _sizing_eval(Evas_Object *obj);
static void _sub_del(void *data, Evas_Object *obj, void *event_info);
static Evas_Smart_Class _pan_sc = {NULL};
static void
_del_hook(Evas_Object *obj)
{
Widget_Data *wd = elm_widget_data_get(obj);
free(wd);
}
static void
_theme_hook(Evas_Object *obj)
{
Widget_Data *wd = elm_widget_data_get(obj);
elm_smart_scroller_theme_set(wd->scr, "scroller", "base", "default");
edje_object_scale_set(wd->scr, elm_widget_scale_get(obj) * _elm_config->scale);
_sizing_eval(obj);
}
static void
_show_region_hook(void *data, Evas_Object *obj)
{
Widget_Data *wd = elm_widget_data_get(data);
Evas_Coord x, y, w, h;
elm_widget_show_region_get(obj, &x, &y, &w, &h);
elm_smart_scroller_child_region_show(wd->scr, x, y, w, h);
}
static void
_sizing_eval(Evas_Object *obj)
{
Widget_Data *wd = elm_widget_data_get(obj);
Evas_Coord vw, vh, minw, minh, maxw, maxh, w, h, vmw, vmh;
double xw, xy;
evas_object_size_hint_min_get(wd->content, &minw, &minh);
evas_object_size_hint_max_get(wd->content, &maxw, &maxh);
evas_object_size_hint_weight_get(wd->content, &xw, &xy);
elm_smart_scroller_child_viewport_size_get(wd->scr, &vw, &vh);
if (xw > 0.0)
{
if ((minw > 0) && (vw < minw)) vw = minw;
else if ((maxw > 0) && (vw > maxw)) vw = maxw;
}
else if (minw > 0) vw = minw;
if (xy > 0.0)
{
if ((minh > 0) && (vh < minh)) vh = minh;
else if ((maxh > 0) && (vh > maxh)) vh = maxh;
}
else if (minh > 0) vh = minh;
evas_object_resize(wd->content, vw, vh);
w = -1;
h = -1;
edje_object_size_min_calc(elm_smart_scroller_edje_object_get(wd->scr), &vmw, &vmh);
if (wd->min_w) w = vmw + minw;
if (wd->min_h) h = vmh + minh;
evas_object_size_hint_min_set(obj, w, h);
}
static void
_changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
_sizing_eval(data);
}
static void
_sub_del(void *data, Evas_Object *obj, void *event_info)
{
Widget_Data *wd = elm_widget_data_get(obj);
Evas_Object *sub = event_info;
if (sub == wd->content)
{
elm_widget_on_show_region_hook_set(wd->content, NULL, NULL);
evas_object_event_callback_del
(sub, EVAS_CALLBACK_CHANGED_SIZE_HINTS, _changed_size_hints);
wd->content = NULL;
_sizing_eval(obj);
}
}
static void
_resize(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
_sizing_eval(data);
}
static void
_pan_set(Evas_Object *obj, Evas_Coord x, Evas_Coord y)
{
Pan *sd = evas_object_smart_data_get(obj);
Evas_Coord ow, oh;
if ((x == sd->wd->pan_x) && (y == sd->wd->pan_y)) return;
evas_object_geometry_get(obj, NULL, NULL, &ow, &oh);
ow = sd->wd->minw - ow;
if (ow < 0) ow = 0;
oh = sd->wd->minh - oh;
if (oh < 0) oh = 0;
if (x < 0) x = 0;
if (y < 0) y = 0;
if (x > ow) x = ow;
if (y > oh) y = oh;
sd->wd->pan_x = x;
sd->wd->pan_y = y;
evas_object_smart_changed(obj);
}
static void
_pan_get(Evas_Object *obj, Evas_Coord *x, Evas_Coord *y)
{
Pan *sd = evas_object_smart_data_get(obj);
if (x) *x = sd->wd->pan_x;
if (y) *y = sd->wd->pan_y;
}
static void
_pan_max_get(Evas_Object *obj, Evas_Coord *x, Evas_Coord *y)
{
Pan *sd = evas_object_smart_data_get(obj);
Evas_Coord ow, oh;
evas_object_geometry_get(obj, NULL, NULL, &ow, &oh);
ow = sd->wd->minw - ow;
if (ow < 0) ow = 0;
oh = sd->wd->minh - oh;
if (oh < 0) oh = 0;
if (x) *x = ow;
if (y) *y = oh;
}
static void
_pan_child_size_get(Evas_Object *obj, Evas_Coord *w, Evas_Coord *h)
{
Pan *sd = evas_object_smart_data_get(obj);
if (w) *w = sd->wd->minw;
if (h) *h = sd->wd->minh;
}
static void
_pan_add(Evas_Object *obj)
{
Pan *sd;
Evas_Object_Smart_Clipped_Data *cd;
_pan_sc.add(obj);
cd = evas_object_smart_data_get(obj);
sd = calloc(1, sizeof(Pan));
if (!sd) return;
sd->__clipped_data = *cd;
free(cd);
evas_object_smart_data_set(obj, sd);
}
static void
_pan_del(Evas_Object *obj)
{
Pan *sd = evas_object_smart_data_get(obj);
if (!sd) return;
_pan_sc.del(obj);
}
static void
_pan_resize(Evas_Object *obj, Evas_Coord w, Evas_Coord h)
{
Evas_Coord ow, oh;
evas_object_geometry_get(obj, NULL, NULL, &ow, &oh);
if ((ow == w) && (oh == h)) return;
evas_object_smart_changed(obj);
}
static void
_item_realize(Item *it, int in)
{
const char *stacking;
if (it->realized) return;
it->base = edje_object_add(evas_object_evas_get(it->block->obj));
// FIXME: hook callbacks
// evas_object_event_callback_add(it->base, EVAS_CALLBACK_MOUSE_DOWN,
// _mouse_down, it);
// evas_object_event_callback_add(it->base, EVAS_CALLBACK_MOUSE_UP,
// _mouse_up, it);
evas_object_smart_member_add(it->base, it->block->wd->pan_smart);
elm_widget_sub_object_add(it->block->obj, it->base);
if (in & 0x1)
_elm_theme_set(it->base, "list", "item_odd", "default");
else
_elm_theme_set(it->base, "list", "item", "default");
stacking = edje_object_data_get(it->base, "stacking");
if (stacking)
{
if (!strcmp(stacking, "below"))
evas_object_lower(it->base);
else if (!strcmp(stacking, "above"))
evas_object_raise(it->base);
}
if (it->itc->func.label_get)
{
char *s = it->itc->func.label_get(it->data, "xxx");
if (s)
{
edje_object_part_text_set(it->base, "elm.text", s);
free(s);
}
}
// FIXME: need to get all labels, all icons and all states and all labels
evas_object_show(it->base);
if (!it->mincalcd)
{
Evas_Coord mw, mh;
mw = mh = -1;
elm_coords_finger_size_adjust(1, &mw, 1, &mh);
edje_object_size_min_restricted_calc(it->base, &mw, &mh, mw, mh);
elm_coords_finger_size_adjust(1, &mw, 1, &mh);
it->minw = mw;
it->minh = mh;
it->mincalcd = 1;
}
it->realized = 1;
}
static void
_item_unrealize(Item *it)
{
if (!it->realized) return;
evas_object_del(it->base);
it->base = NULL;
it->realized = 0;
}
static void
_item_block_recalc(Item_Block *itb, int in)
{
Eina_List *l;
Evas_Coord minw = 0, minh = 0;
for (l = itb->items; l; l = l->next)
{
Item *it = l->data;
_item_realize(it, in);
if (!itb->realized) _item_unrealize(it);
minh += it->minh;
if (minw < it->minw) minw = it->minw;
in++;
}
itb->minw = minw;
itb->minh = minh;
itb->changed = 0;
}
static void
_item_block_realize(Item_Block *itb, int in)
{
Eina_List *l;
if (itb->realized) return;
for (l = itb->items; l; l = l->next)
{
Item *it = l->data;
_item_realize(it, in);
in++;
}
itb->realized = 1;
}
static void
_item_block_unrealize(Item_Block *itb)
{
Eina_List *l;
if (!itb->realized) return;
for (l = itb->items; l; l = l->next)
{
Item *it = l->data;
_item_unrealize(it);
}
itb->realized = 0;
}
static void
_item_block_position(Item_Block *itb)
{
Eina_List *l;
Evas_Coord y = 0, ox, oy;
evas_object_geometry_get(itb->wd->pan_smart, &ox, &oy, NULL, NULL);
for (l = itb->items; l; l = l->next)
{
Item *it = l->data;
it->x = 0;
it->y = y;
it->w = itb->w;
it->h = it->minh;
evas_object_resize(it->base, it->w, it->h);
evas_object_move(it->base,
ox + itb->x + it->x - itb->wd->pan_x,
oy + itb->y + it->y - itb->wd->pan_y);
y += it->h;
}
itb->realized = 1;
}
static void
_pan_calculate(Evas_Object *obj)
{
Pan *sd = evas_object_smart_data_get(obj);
Eina_Inlist *il;
Evas_Coord minw = 0, minh = 0, x = 0, y = 0, ow, oh;
int bn, in;
for (bn = 0, in = 0, il = sd->wd->blocks; il; il = il->next, bn++)
{
Item_Block *itb = (Item_Block *)il;
if (itb->changed)
_item_block_recalc(itb, in);
itb->y = y;
itb->x = 0;
itb->w = itb->minw;
itb->h = itb->minh;
minh += itb->minh;
if (minw < itb->minw) minw = itb->minw;
itb->h = itb->minh;
y += itb->minh;
in += itb->count;
}
evas_object_geometry_get(obj, NULL, NULL, &ow, &oh);
if (minw < ow) minw = ow;
if ((minw != sd->wd->minw) || (minh != sd->wd->minh))
{
sd->wd->minw = minw;
sd->wd->minh = minh;
evas_object_smart_callback_call(obj, "changed", NULL);
}
// FIXME: calcualte new geom
for (bn = 0, in = 0, il = sd->wd->blocks; il; il = il->next, bn++)
{
Item_Block *itb = (Item_Block *)il;
itb->w = minw;
if (ELM_RECTS_INTERSECT(itb->x - sd->wd->pan_x,
itb->y - sd->wd->pan_y,
itb->w, itb->h,
0, 0, ow, oh))
{
if (!itb->realized)
{
printf("REALIZE BN # %i [%i %i, %ix%i]\n", bn, itb->x, itb->y, itb->w, itb->h);
_item_block_realize(itb, in);
}
_item_block_position(itb);
}
else
{
if (itb->realized)
{
printf("UNREALIZE BN # %i [%i %i, %ix%i]\n", bn, itb->x, itb->y, itb->w, itb->h);
_item_block_unrealize(itb);
}
}
in += itb->count;
}
}
EAPI Evas_Object *
elm_genlist_add(Evas_Object *parent)
{
Evas_Object *obj;
Evas *e;
Widget_Data *wd;
Evas_Coord vw, vh, minw, minh;
static Evas_Smart *smart = NULL;
wd = ELM_NEW(Widget_Data);
e = evas_object_evas_get(parent);
obj = elm_widget_add(e);
elm_widget_data_set(obj, wd);
elm_widget_del_hook_set(obj, _del_hook);
elm_widget_theme_hook_set(obj, _theme_hook);
wd->scr = elm_smart_scroller_add(e);
elm_widget_resize_object_set(obj, wd->scr);
if (!smart)
{
static Evas_Smart_Class sc;
evas_object_smart_clipped_smart_set(&_pan_sc);
sc = _pan_sc;
sc.name = "Elm_Genlist_Pan";
sc.version = EVAS_SMART_CLASS_VERSION;
sc.add = _pan_add;
sc.del = _pan_del;
sc.resize = _pan_resize;
sc.calculate = _pan_calculate;
smart = evas_smart_class_new(&sc);
}
if (smart)
{
wd->pan_smart = evas_object_smart_add(e, smart);
wd->pan = evas_object_smart_data_get(wd->pan_smart);
wd->pan->wd = wd;
}
elm_smart_scroller_extern_pan_set(wd->scr, wd->pan_smart,
_pan_set, _pan_get,
_pan_max_get, _pan_child_size_get);
edje_object_size_min_calc(elm_smart_scroller_edje_object_get(wd->scr), &minw, &minh);
evas_object_size_hint_min_set(obj, minw, minh);
evas_object_event_callback_add(obj, EVAS_CALLBACK_RESIZE, _resize, obj);
// evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
_sizing_eval(obj);
return obj;
}
static Item *
_item_new(Evas_Object *obj, const Elm_Genlist_Item_Class *itc,
const void *data, Elm_Genlist_Item *parent,
Elm_Genlist_Item_Flags flags,
void (*func) (void *data, Evas_Object *obj, void *event_info), const void *func_data)
{
Item *it;
it = calloc(1, sizeof(Item));
if (!it) return NULL;
it->itc = itc;
it->data = data;
it->parent = parent;
it->flags = flags;
it->func.func = func;
it->func.data = func_data;
return it;
}
static void
_item_block_add(Widget_Data *wd, Evas_Object *obj, Item *it, Item *itpar, Item *itrel)
{
Item_Block *itb;
if (!itrel) /* new block */
{
newblock:
itb = calloc(1, sizeof(Item_Block));
if (!itb) return;
wd->blocks = eina_inlist_append(wd->blocks, (Eina_Inlist *)itb);
itb->obj = obj;
itb->wd = wd;
}
else
{
itb = itrel->block;
if (itb->count > 32) goto newblock;
}
itb->items = eina_list_append(itb->items, it);
itb->count++;
itb->changed = 1;
it->block = itb;
evas_object_smart_changed(wd->pan_smart);
}
EAPI Elm_Genlist_Item *
elm_genlist_item_append(Evas_Object *obj, const Elm_Genlist_Item_Class *itc,
const void *data, Elm_Genlist_Item *parent,
Elm_Genlist_Item_Flags flags,
void (*func) (void *data, Evas_Object *obj, void *event_info), const void *func_data)
{
Widget_Data *wd = elm_widget_data_get(obj);
Item *itpar, *itrel;
Item *it = _item_new(obj, itc, data, parent, flags, func, func_data);
if (!it) return NULL;
if (!parent)
{
wd->items = eina_inlist_append(wd->items, (Eina_Inlist *)it);
itrel = (Item *)(((Eina_Inlist *)it)->prev);
_item_block_add(wd, obj, it, NULL, itrel);
}
else
{
// FIXME: tree. not done yet
itpar = (Item *)parent;
itpar->subitems = eina_inlist_append(itpar->subitems, (Eina_Inlist *)it);
}
return (Elm_Genlist_Item *)it;
}
EAPI Elm_Genlist_Item *
elm_genlist_item_prepend(Evas_Object *obj, const Elm_Genlist_Item_Class *itc,
const void *data, Elm_Genlist_Item *parent,
Elm_Genlist_Item_Flags flags,
void (*func) (void *data, Evas_Object *obj, void *event_info), const void *func_data)
{
}
EAPI Elm_Genlist_Item *
elm_genlist_item_insert_before(Evas_Object *obj, const Elm_Genlist_Item_Class *itc,
const void *data, Elm_Genlist_Item *before,
Elm_Genlist_Item_Flags flags,
void (*func) (void *data, Evas_Object *obj, void *event_info), const void *func_data)
{
}
EAPI Elm_Genlist_Item *
elm_genlist_item_insert_after(Evas_Object *obj, const Elm_Genlist_Item_Class *itc,
const void *data, Elm_Genlist_Item *after,
Elm_Genlist_Item_Flags flags,
void (*func) (void *data, Evas_Object *obj, void *event_info), const void *func_data)
{
}
EAPI void
elm_genlist_multi_select_set(Evas_Object *obj, Evas_Bool multi)
{
}
EAPI const Eina_List *
elm_genlist_items_get(Evas_Object *obj)
{
}
EAPI const Elm_Genlist_Item *
elm_genlist_selected_item_get(Evas_Object *obj)
{
}
EAPI const Eina_List *
elm_genlist_selected_items_get(Evas_Object *obj)
{
}
EAPI const Eina_List *
elm_genlist_item_items_get(Elm_Genlist_Item *item)
{
}
EAPI void
elm_genlist_item_selected_set(Elm_Genlist_Item *item, Evas_Bool selected)
{
}
EAPI void
elm_genlist_item_expanded_set(Elm_Genlist_Item *item, Evas_Bool expanded)
{
// not done yet
}
EAPI void
elm_genlist_item_disabld_set(Elm_Genlist_Item *item, Evas_Bool disabld)
{
}
EAPI void
elm_genlist_item_show(Elm_Genlist_Item *item)
{
}
EAPI void
elm_genlist_item_del(Elm_Genlist_Item *item)
{
}
EAPI const void *
elm_genlist_item_data_get(Elm_Genlist_Item *item)
{
}