737 lines
17 KiB
C
737 lines
17 KiB
C
#include "e.h"
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typedef struct _E_Smart_Data E_Smart_Data;
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typedef struct _E_Icon_Layout_Item E_Icon_Layout_Item;
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struct _E_Smart_Data
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{
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Evas_Coord x, y, w, h;
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Evas_Coord vw, vh;
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Evas_Coord xs, ys;
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Evas_Coord xc, yc;
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Evas_Coord mw, mh;
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Evas_Object *clip;
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Evas_Object *obj;
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int frozen;
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int clip_frozen;
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int fixed;
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unsigned char changed : 1;
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Evas_List *items;
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struct {
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Evas_Object *obj;
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Evas_Coord x, y, w, h;
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} viewport;
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};
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struct _E_Icon_Layout_Item
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{
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E_Smart_Data *sd;
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Evas_Coord x, y, w, h;
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Evas_Object *obj;
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void (*appear_func)(Evas_Object *obj, void *data);
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void (*disappear_func)(Evas_Object *obj, void *data);
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void *data;
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};
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/* local subsystem functions */
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static E_Icon_Layout_Item *_e_icon_layout_smart_adopt(E_Smart_Data *sd, Evas_Object *obj);
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static void _e_icon_layout_smart_disown(Evas_Object *obj);
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static void _e_icon_layout_smart_item_del_hook(void *data, Evas *e, Evas_Object *obj, void *event_info);
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static void _e_icon_layout_smart_reconfigure(E_Smart_Data *sd);
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static void _e_icon_layout_smart_move_resize_item(E_Icon_Layout_Item *li);
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static void _e_icon_layout_smart_init(void);
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static void _e_icon_layout_smart_add(Evas_Object *obj);
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static void _e_icon_layout_smart_show(Evas_Object *obj);
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static void _e_icon_layout_smart_hide(Evas_Object *obj);
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static void _e_icon_layout_smart_del(Evas_Object *obj);
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static void _e_icon_layout_smart_move(Evas_Object *obj, Evas_Coord x, Evas_Coord y);
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static void _e_icon_layout_smart_resize(Evas_Object *obj, Evas_Coord w, Evas_Coord h);
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static void _e_icon_layout_smart_color_set(Evas_Object *obj, int r, int g, int b, int a);
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static void _e_icon_layout_smart_clip_set(Evas_Object *obj, Evas_Object *clip);
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static void _e_icon_layout_smart_clip_unset(Evas_Object *obj);
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/* local subsystem globals */
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static Evas_Smart *_e_smart = NULL;
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/* externally accessible functions */
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Evas_Object *
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e_icon_layout_add(Evas *evas)
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{
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_e_icon_layout_smart_init();
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return evas_object_smart_add(evas, _e_smart);
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}
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int
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e_icon_layout_freeze(Evas_Object *obj)
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{
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E_Smart_Data *sd;
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if ((!obj) || !(sd = evas_object_smart_data_get(obj)))
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return -1;
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sd->frozen++;
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return sd->frozen;
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}
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int
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e_icon_layout_thaw(Evas_Object *obj)
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{
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E_Smart_Data *sd;
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if ((!obj) || !(sd = evas_object_smart_data_get(obj)))
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return -1;
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sd->frozen--;
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if (sd->frozen <= 0) _e_icon_layout_smart_reconfigure(sd);
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return sd->frozen;
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}
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void
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e_icon_layout_virtual_size_get(Evas_Object *obj, Evas_Coord *w, Evas_Coord *h)
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{
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E_Smart_Data *sd;
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if ((!obj) || !(sd = evas_object_smart_data_get(obj)))
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return;
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if (w) *w = sd->vw;
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if (h) *h = sd->vh;
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}
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void
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e_icon_layout_width_fix(Evas_Object *obj, Evas_Coord w)
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{
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E_Smart_Data *sd;
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if ((!obj) || !(sd = evas_object_smart_data_get(obj)))
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return;
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if(w < 1) w = 1;
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if (sd->vw == w) return;
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sd->fixed = 0;
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sd->vw = w;
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sd->vh = 0;
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sd->changed = 1;
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if (sd->frozen <= 0) _e_icon_layout_smart_reconfigure(sd);
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}
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void
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e_icon_layout_height_fix(Evas_Object *obj, Evas_Coord h)
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{
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E_Smart_Data *sd;
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if ((!obj) || !(sd = evas_object_smart_data_get(obj)))
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return;
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if(h < 1) h = 1;
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if (sd->vh == h) return;
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sd->fixed = 1;
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sd->vw = 0;
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sd->vh = h;
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sd->changed = 1;
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if (sd->frozen <= 0) _e_icon_layout_smart_reconfigure(sd);
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}
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void
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e_icon_layout_sort(Evas_Object *obj, int (*func)(void *d1, void *d2))
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{
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E_Smart_Data *sd;
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if ((!obj) || !(sd = evas_object_smart_data_get(obj)))
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return;
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sd->items = evas_list_sort(sd->items, evas_list_count(sd->items), func);
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_e_icon_layout_smart_reconfigure(sd);
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}
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void e_icon_layout_icon_callbacks_set(Evas_Object *child, void (*appear)(Evas_Object *obj, void *data), void (*disappear)(Evas_Object *obj, void *data), void *data)
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{
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E_Icon_Layout_Item *li;
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li = evas_object_data_get(child, "e_icon_layout_data");
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if (!li) return;
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li->appear_func = appear;
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li->disappear_func = disappear;
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li->data = data;
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}
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void
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e_icon_layout_pack(Evas_Object *obj, Evas_Object *child)
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{
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E_Smart_Data *sd;
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E_Icon_Layout_Item *li;
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if ((!obj) || !(sd = evas_object_smart_data_get(obj)))
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return;
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_e_icon_layout_smart_adopt(sd, child);
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sd->items = evas_list_append(sd->items, child);
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li = evas_object_data_get(child, "e_icon_layout_data");
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if (sd->fixed == 0)
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{
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if(li->h > sd->mh) sd->mh = li->h;
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if(sd->xc > sd->x + sd->vw || sd->xc + li->w > sd->x + sd->vw)
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{
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sd->xc = sd->x + sd->xs;
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sd->yc += sd->mh + sd->ys;
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sd->mh = 0;
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}
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li->x = sd->xc;
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li->y = sd->yc;
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sd->xc += li->w + sd->xs;
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sd->vh = sd->yc - sd->y;
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}
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else
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{
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if(li->w > sd->mw) sd->mw = li->w;
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if(sd->yc > sd->y + sd->vh || sd->yc + li->h > sd->y + sd->vh)
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{
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sd->yc = sd->y + sd->ys;
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sd->xc += sd->mw + sd->xs;
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sd->mw = 0;
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}
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li->x = sd->xc;
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li->y = sd->yc;
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sd->yc += li->h + sd->ys;
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sd->vw = sd->xc - sd->x;
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}
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if(sd->viewport.obj && li->appear_func && li->disappear_func)
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{
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if(E_INTERSECTS(sd->viewport.x, sd->viewport.y,
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sd->viewport.w, sd->viewport.h,
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li->x, li->y, li->w, li->h))
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{
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li->appear_func(obj, li->data);
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/*
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printf("appear! %d %d %d %d - %d %d %d %d\n",sd->viewport.x, sd->viewport.y,
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sd->viewport.w, sd->viewport.h,
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li->x, li->y, li->w, li->h);
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*/
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}
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else
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{
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li->disappear_func(obj, li->data);
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/*
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printf("disappear! %d %d %d %d - %d %d %d %d\n",sd->viewport.x, sd->viewport.y,
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sd->viewport.w, sd->viewport.h,
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li->x, li->y, li->w, li->h);
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*/
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}
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}
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_e_icon_layout_smart_move_resize_item(li);
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}
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void
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e_icon_layout_child_resize(Evas_Object *obj, Evas_Coord w, Evas_Coord h)
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{
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E_Icon_Layout_Item *li;
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li = evas_object_data_get(obj, "e_icon_layout_data");
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if (!li) return;
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if (w < 0) w = 0;
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if (h < 0) h = 0;
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if ((li->w == w) && (li->h == h)) return;
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li->w = w;
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li->h = h;
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_e_icon_layout_smart_move_resize_item(li);
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}
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void
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e_icon_layout_unpack(Evas_Object *obj)
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{
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E_Icon_Layout_Item *li;
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E_Smart_Data *sd;
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li = evas_object_data_get(obj, "e_icon_layout_data");
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if (!li) return;
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sd = li->sd;
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sd->items = evas_list_remove(sd->items, obj);
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_e_icon_layout_smart_disown(obj);
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}
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void
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e_icon_layout_spacing_set(Evas_Object *obj, Evas_Coord xs, Evas_Coord ys)
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{
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E_Smart_Data *sd;
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if ((!obj) || !(sd = evas_object_smart_data_get(obj)))
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return;
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if(sd->xs == xs && sd->ys == ys)
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return;
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sd->xs = xs;
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sd->ys = ys;
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sd->xc = sd->x + sd->xs;
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sd->yc = sd->y + sd->ys;
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sd->changed = 1;
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if (sd->frozen <= 0) _e_icon_layout_smart_reconfigure(sd);
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}
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void
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e_icon_layout_redraw_force(Evas_Object *obj)
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{
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E_Smart_Data *sd;
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if ((!obj) || !(sd = evas_object_smart_data_get(obj)))
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return;
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sd->changed = 1;
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if (sd->frozen <= 0) _e_icon_layout_smart_reconfigure(sd);
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}
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void
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e_icon_layout_reset(Evas_Object *obj)
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{
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E_Smart_Data *sd;
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if ((!obj) || !(sd = evas_object_smart_data_get(obj)))
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return;
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sd->xc = sd->x + sd->xs;
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sd->yc = sd->y + sd->ys;
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sd->mw = 0;
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sd->mh = 0;
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while (sd->items)
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{
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Evas_Object *child;
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child = sd->items->data;
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e_icon_layout_unpack(child);
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}
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}
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void
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e_icon_layout_clip_freeze(Evas_Object *obj)
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{
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E_Smart_Data *sd;
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if ((!obj) || !(sd = evas_object_smart_data_get(obj)))
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return;
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sd->clip_frozen = 1;
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}
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void
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e_icon_layout_clip_thaw(Evas_Object *obj)
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{
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E_Smart_Data *sd;
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if ((!obj) || !(sd = evas_object_smart_data_get(obj)))
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return;
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sd->clip_frozen = 0;
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}
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void
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e_icon_layout_viewport_set(Evas_Object *obj, Evas_Object *viewport)
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{
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E_Smart_Data *sd;
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if ((!obj) || !(sd = evas_object_smart_data_get(obj)))
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return;
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if(!viewport) return;
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sd->viewport.obj = viewport;
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evas_object_geometry_get(sd->viewport.obj, &(sd->viewport.x), &(sd->viewport.y),
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&(sd->viewport.w), &(sd->viewport.h));
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if (sd->frozen <= 0) _e_icon_layout_smart_reconfigure(sd);
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}
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Evas_Object *
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e_icon_layout_viewport_get(Evas_Object *obj)
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{
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/* TODO */
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}
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/* local subsystem functions */
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static E_Icon_Layout_Item *
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_e_icon_layout_smart_adopt(E_Smart_Data *sd, Evas_Object *obj)
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{
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E_Icon_Layout_Item *li;
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Evas_Coord w, h;
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li = calloc(1, sizeof(E_Icon_Layout_Item));
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if (!li) return NULL;
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li->sd = sd;
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li->obj = obj;
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li->appear_func = NULL;
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li->disappear_func = NULL;
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li->data = NULL;
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evas_object_geometry_get(obj, NULL, NULL, &li->w, &li->h);
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/* defaults */
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li->x = 0;
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li->y = 0;
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evas_object_clip_set(obj, sd->clip);
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evas_object_smart_member_add(obj, li->sd->obj);
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evas_object_show(obj);
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evas_object_data_set(obj, "e_icon_layout_data", li);
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evas_object_event_callback_add(obj, EVAS_CALLBACK_FREE,
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_e_icon_layout_smart_item_del_hook, NULL);
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if ((!evas_object_visible_get(sd->clip)) &&
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(evas_object_visible_get(sd->obj)))
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evas_object_show(sd->clip);
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return li;
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}
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static void
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_e_icon_layout_smart_disown(Evas_Object *obj)
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{
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E_Icon_Layout_Item *li;
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li = evas_object_data_get(obj, "e_icon_layout_data");
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if (!li) return;
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if (!li->sd->items)
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{
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if (evas_object_visible_get(li->sd->clip))
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evas_object_hide(li->sd->clip);
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}
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evas_object_event_callback_del(obj,
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EVAS_CALLBACK_FREE,
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_e_icon_layout_smart_item_del_hook);
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evas_object_smart_member_del(obj);
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evas_object_data_del(obj, "e_icon_layout_data");
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free(li);
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}
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static void
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_e_icon_layout_smart_item_del_hook(void *data, Evas *e, Evas_Object *obj, void *event_info)
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{
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e_icon_layout_unpack(obj);
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}
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static void
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_e_icon_layout_smart_reconfigure(E_Smart_Data *sd)
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{
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Evas_Coord x, y, w, h, maxw, maxh;
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Evas_List *l;
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if (!sd->changed) return;
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x = sd->x + sd->xs;
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y = sd->y + sd->ys;
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w = sd->vw;
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h = sd->vh;
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maxw = 0;
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maxh = 0;
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if (sd->fixed == 0)
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{
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for (l = sd->items; l; l = l->next)
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{
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E_Icon_Layout_Item *li;
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Evas_Object *obj;
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obj = l->data;
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li = evas_object_data_get(obj, "e_icon_layout_data");
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if(li->h > maxh) maxh = li->h;
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if(x > sd->x + w || x + li->w > sd->x + w)
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{
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x = sd->x + sd->xs;
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y += maxh + sd->ys;
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maxh = 0;
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}
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li->x = x;
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li->y = y;
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if(sd->viewport.obj && li->appear_func && li->disappear_func)
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{
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if(E_INTERSECTS(sd->viewport.x, sd->viewport.y,
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sd->viewport.w, sd->viewport.h,
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li->x, li->y, li->w, li->h))
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{
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/* printf("appear! %d %d %d %d - %d %d %d %d\n",sd->viewport.x, sd->viewport.y,
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sd->viewport.w, sd->viewport.h,
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li->x, li->y, li->w, li->h);
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*/
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li->appear_func(obj, li->data);
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}
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else
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{
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li->disappear_func(obj, li->data);
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/*
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printf("disappear! %d %d %d %d - %d %d %d %d\n",sd->viewport.x, sd->viewport.y,
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sd->viewport.w, sd->viewport.h,
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li->x, li->y, li->w, li->h);
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*/
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}
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}
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_e_icon_layout_smart_move_resize_item(li);
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x += li->w + sd->xs;
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}
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sd->vh = y - sd->y;
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}
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else
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{
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for (l = sd->items; l; l = l->next)
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{
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E_Icon_Layout_Item *li;
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Evas_Object *obj;
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obj = l->data;
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li = evas_object_data_get(obj, "e_icon_layout_data");
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if(li->w > maxw) maxw = li->w;
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if(y > sd->y + h || y + li->h > sd->y + h)
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{
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y = sd->y + sd->ys;
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x += maxw + sd->xs;
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maxw = 0;
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}
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li->x = x;
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li->y = y;
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_e_icon_layout_smart_move_resize_item(li);
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y += li->h + sd->ys;
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}
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sd->vw = x - sd->x;
|
|
}
|
|
|
|
sd->xc = x;
|
|
sd->yc = y;
|
|
|
|
sd->changed = 0;
|
|
}
|
|
|
|
static void
|
|
_e_icon_layout_smart_move_resize_item(E_Icon_Layout_Item *li)
|
|
{
|
|
/* FIXME: this will get slow with 1000's of objects. be smarter. */
|
|
if(li->w == 0 || li->h == 0)
|
|
{
|
|
evas_object_geometry_get(li->obj, NULL, NULL, &li->w, &li->h);
|
|
evas_object_resize(li->obj, li->w, li->h);
|
|
}
|
|
|
|
evas_object_move(li->obj, li->x, li->y);
|
|
}
|
|
|
|
static void
|
|
_e_icon_layout_smart_init(void)
|
|
{
|
|
if (_e_smart) return;
|
|
_e_smart = evas_smart_new("e_icon_layout",
|
|
_e_icon_layout_smart_add,
|
|
_e_icon_layout_smart_del,
|
|
NULL, NULL, NULL, NULL, NULL,
|
|
_e_icon_layout_smart_move,
|
|
_e_icon_layout_smart_resize,
|
|
_e_icon_layout_smart_show,
|
|
_e_icon_layout_smart_hide,
|
|
_e_icon_layout_smart_color_set,
|
|
_e_icon_layout_smart_clip_set,
|
|
_e_icon_layout_smart_clip_unset,
|
|
NULL);
|
|
}
|
|
|
|
static void
|
|
_e_icon_layout_smart_show(Evas_Object *obj)
|
|
{
|
|
E_Smart_Data *sd;
|
|
|
|
sd = evas_object_smart_data_get(obj);
|
|
|
|
evas_object_show(sd->clip);
|
|
}
|
|
|
|
static void
|
|
_e_icon_layout_smart_hide(Evas_Object *obj)
|
|
{
|
|
E_Smart_Data *sd;
|
|
|
|
sd = evas_object_smart_data_get(obj);
|
|
|
|
evas_object_hide(sd->clip);
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
_e_icon_layout_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->vw = 1;
|
|
sd->vh = 1;
|
|
sd->xs = 0;
|
|
sd->ys = 0;
|
|
sd->xc = 0;
|
|
sd->yc = 0;
|
|
sd->mw = 0;
|
|
sd->mh = 0;
|
|
sd->fixed = 0;
|
|
sd->viewport.obj = NULL;
|
|
sd->clip = evas_object_rectangle_add(evas_object_evas_get(obj));
|
|
evas_object_move(sd->clip, 0, 0);
|
|
evas_object_resize(sd->clip, 0, 0);
|
|
evas_object_color_set(sd->clip, 255, 255, 255, 255);
|
|
evas_object_smart_data_set(obj, sd);
|
|
evas_object_smart_member_add(sd->clip, obj);
|
|
evas_object_show(sd->clip);
|
|
}
|
|
|
|
static void
|
|
_e_icon_layout_smart_del(Evas_Object *obj)
|
|
{
|
|
E_Smart_Data *sd;
|
|
|
|
sd = evas_object_smart_data_get(obj);
|
|
if (!sd) return;
|
|
while (sd->items)
|
|
{
|
|
Evas_Object *child;
|
|
|
|
child = sd->items->data;
|
|
e_icon_layout_unpack(child);
|
|
}
|
|
evas_object_del(sd->clip);
|
|
free(sd);
|
|
}
|
|
|
|
static void
|
|
_e_icon_layout_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;
|
|
if ((x == sd->x) && (y == sd->y)) return;
|
|
if(sd->viewport.obj)
|
|
evas_object_geometry_get(sd->viewport.obj,
|
|
&(sd->viewport.x), &(sd->viewport.y),
|
|
&(sd->viewport.w), &(sd->viewport.h));
|
|
|
|
/* FIXME: this will get slow with 1000's of objects. be smarter. */
|
|
{
|
|
Evas_List *l;
|
|
Evas_Coord dx, dy;
|
|
|
|
if (!sd->clip_frozen)
|
|
evas_object_move(sd->clip, x, y);
|
|
|
|
dx = x - sd->x;
|
|
dy = y - sd->y;
|
|
for (l = sd->items; l; l = l->next)
|
|
{
|
|
Evas_Coord ox, oy;
|
|
E_Icon_Layout_Item *li;
|
|
|
|
li = evas_object_data_get(l->data, "e_icon_layout_data");
|
|
evas_object_geometry_get(l->data, &ox, &oy, NULL, NULL);
|
|
evas_object_move(l->data, ox + dx, oy + dy);
|
|
if(sd->viewport.obj && li->appear_func && li->disappear_func)
|
|
{
|
|
if(E_INTERSECTS(sd->viewport.x, sd->viewport.y,
|
|
sd->viewport.w, sd->viewport.h,
|
|
ox + dx, oy + dy, li->w, li->h))
|
|
{
|
|
/*
|
|
printf("appear! %d %d %d %d - %d %d %d %d\n",sd->viewport.x, sd->viewport.y,
|
|
sd->viewport.w, sd->viewport.h,
|
|
li->x, li->y, li->w, li->h);
|
|
*/
|
|
li->appear_func(li->obj, li->data);
|
|
}
|
|
else
|
|
{
|
|
li->disappear_func(li->obj, li->data);
|
|
/*
|
|
printf("disappear! %d %d %d %d - %d %d %d %d\n",sd->viewport.x, sd->viewport.y,
|
|
sd->viewport.w, sd->viewport.h,
|
|
ox + dx, oy + dy, li->w, li->h);
|
|
*/
|
|
}
|
|
}
|
|
}
|
|
}
|
|
sd->x = x;
|
|
sd->y = y;
|
|
}
|
|
|
|
static void
|
|
_e_icon_layout_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;
|
|
evas_object_resize(sd->clip, w, h);
|
|
sd->w = w;
|
|
sd->h = h;
|
|
sd->changed = 1;
|
|
if(sd->viewport.obj)
|
|
evas_object_geometry_get(sd->viewport.obj,
|
|
&(sd->viewport.x), &(sd->viewport.y),
|
|
&(sd->viewport.w), &(sd->viewport.h));
|
|
_e_icon_layout_smart_reconfigure(sd);
|
|
}
|
|
|
|
static void
|
|
_e_icon_layout_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_icon_layout_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_icon_layout_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);
|
|
}
|