587 lines
13 KiB
C
587 lines
13 KiB
C
#include <Elementary.h>
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#include "elm_priv.h"
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typedef struct _Smart_Data Smart_Data;
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typedef struct _Box_Item Box_Item;
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struct _Smart_Data
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{
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Evas_Coord x, y, w, h;
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Evas_Object *obj;
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Evas_Object *clip;
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Evas_Bool changed : 1;
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Evas_Bool horizontal : 1;
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Evas_Bool homogenous : 1;
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Evas_Bool deleting : 1;
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Eina_List *items;
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};
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/* local subsystem functions */
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static void _smart_adopt(Smart_Data *sd, Evas_Object *obj);
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static void _smart_disown(Evas_Object *obj);
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static void _smart_item_del_hook(void *data, Evas *e, Evas_Object *obj, void *event_info);
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static void _smart_item_changed_size_hints_hook(void *data, Evas *e, Evas_Object *obj, void *event_info);
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static void _smart_reconfigure(Smart_Data *sd);
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static void _smart_extents_calculate(Smart_Data *sd);
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static void _smart_init(void);
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static void _smart_add(Evas_Object *obj);
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static void _smart_del(Evas_Object *obj);
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static void _smart_move(Evas_Object *obj, Evas_Coord x, Evas_Coord y);
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static void _smart_resize(Evas_Object *obj, Evas_Coord w, Evas_Coord h);
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static void _smart_show(Evas_Object *obj);
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static void _smart_hide(Evas_Object *obj);
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static void _smart_color_set(Evas_Object *obj, int r, int g, int b, int a);
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static void _smart_clip_set(Evas_Object *obj, Evas_Object *clip);
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static void _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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_els_smart_box_add(Evas *evas)
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{
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_smart_init();
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return evas_object_smart_add(evas, _e_smart);
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}
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void
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_els_smart_box_orientation_set(Evas_Object *obj, int horizontal)
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{
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Smart_Data *sd;
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sd = evas_object_smart_data_get(obj);
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if (!sd) return;
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if (sd->horizontal == horizontal) return;
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sd->horizontal = horizontal;
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_smart_reconfigure(sd);
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}
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int
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_els_smart_box_orientation_get(Evas_Object *obj)
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{
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Smart_Data *sd;
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sd = evas_object_smart_data_get(obj);
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if (!sd) return 0;
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return sd->horizontal;
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}
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void
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_els_smart_box_homogenous_set(Evas_Object *obj, int homogenous)
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{
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Smart_Data *sd;
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sd = evas_object_smart_data_get(obj);
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if (!sd) return;
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if (sd->homogenous == homogenous) return;
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sd->homogenous = homogenous;
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_smart_reconfigure(sd);
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}
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int
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_els_smart_box_pack_start(Evas_Object *obj, Evas_Object *child)
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{
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Smart_Data *sd;
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if (!child) return 0;
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sd = evas_object_smart_data_get(obj);
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if (!sd) return 0;
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_smart_adopt(sd, child);
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sd->items = eina_list_prepend(sd->items, child);
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_smart_reconfigure(sd);
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return 0;
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}
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int
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_els_smart_box_pack_end(Evas_Object *obj, Evas_Object *child)
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{
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Smart_Data *sd;
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if (!child) return 0;
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sd = evas_object_smart_data_get(obj);
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if (!sd) return 0;
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_smart_adopt(sd, child);
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sd->items = eina_list_append(sd->items, child);
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_smart_reconfigure(sd);
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return eina_list_count(sd->items) - 1;
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}
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static int
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_els_smart_box_find(const Smart_Data *sd, const Evas_Object *child)
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{
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int i = 0;
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const Eina_List *l;
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const Evas_Object *oitr;
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EINA_LIST_FOREACH(sd->items, l, oitr)
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{
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if (oitr == child)
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return i;
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i++;
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}
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return -1;
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}
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int
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_els_smart_box_pack_before(Evas_Object *obj, Evas_Object *child, Evas_Object *before)
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{
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Smart_Data *sd;
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if (!child) return 0;
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sd = evas_object_smart_data_get(obj);
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if (!sd) return 0;
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_smart_adopt(sd, child);
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sd->items = eina_list_prepend_relative(sd->items, child, before);
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_smart_reconfigure(sd);
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return _els_smart_box_find(sd, child);
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}
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int
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_els_smart_box_pack_after(Evas_Object *obj, Evas_Object *child, Evas_Object *after)
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{
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Smart_Data *sd;
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if (!child) return 0;
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sd = evas_object_smart_data_get(obj);
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if (!sd) return 0;
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_smart_adopt(sd, child);
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sd->items = eina_list_append_relative(sd->items, child, after);
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_smart_reconfigure(sd);
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return _els_smart_box_find(sd, child);
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}
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void
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_els_smart_box_unpack(Evas_Object *obj)
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{
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Smart_Data *sd;
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if (!obj) return;
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sd = evas_object_smart_data_get(evas_object_smart_parent_get(obj));
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if (!sd) return;
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sd->items = eina_list_remove(sd->items, obj);
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_smart_disown(obj);
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if (!sd->deleting)
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{
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if (!evas_object_clipees_get(sd->clip))
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evas_object_hide(sd->clip);
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_smart_reconfigure(sd);
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}
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}
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/* local subsystem functions */
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static void
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_smart_adopt(Smart_Data *sd, Evas_Object *obj)
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{
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evas_object_clip_set(obj, sd->clip);
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evas_object_smart_member_add(obj, sd->obj);
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evas_object_event_callback_add(obj, EVAS_CALLBACK_DEL,
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_smart_item_del_hook, NULL);
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evas_object_event_callback_add(obj, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
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_smart_item_changed_size_hints_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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}
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static void
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_smart_disown(Evas_Object *obj)
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{
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Smart_Data *sd;
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sd = evas_object_smart_data_get(evas_object_smart_parent_get(obj));
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if (!sd) return;
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if (sd->items)
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{
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if (evas_object_visible_get(sd->clip))
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evas_object_hide(sd->clip);
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}
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evas_object_event_callback_del(obj, EVAS_CALLBACK_DEL,
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_smart_item_del_hook);
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evas_object_event_callback_del(obj, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
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_smart_item_changed_size_hints_hook);
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evas_object_smart_member_del(obj);
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evas_object_clip_unset(obj);
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}
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static void
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_smart_item_del_hook(void *data, Evas *e, Evas_Object *obj, void *event_info)
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{
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_els_smart_box_unpack(obj);
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}
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static void
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_smart_item_changed_size_hints_hook(void *data, Evas *e, Evas_Object *obj, void *event_info)
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{
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Smart_Data *sd;
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sd = evas_object_smart_data_get(evas_object_smart_parent_get(obj));
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_smart_reconfigure(sd);
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}
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static void
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_smart_reconfigure(Smart_Data *sd)
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{
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Evas_Coord x, y, w, h, xx, yy;
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const Eina_List *l;
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Evas_Object *obj;
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Evas_Coord minw, minh, wdif, hdif, mnw, mnh, mxw, mxh;
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int count, expand, fw, fh, xw, xh;
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double ax, ay, wx, wy;
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_smart_extents_calculate(sd);
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x = sd->x;
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y = sd->y;
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w = sd->w;
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h = sd->h;
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evas_object_size_hint_min_get(sd->obj, &minw, &minh);
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evas_object_size_hint_align_get(sd->obj, &ax, &ay);
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count = eina_list_count(sd->items);
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expand = 0;
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if (w < minw)
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{
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x = x + ((w - minw) * (1.0 - ax));
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w = minw;
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}
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if (h < minh)
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{
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y = y + ((h - minh) * (1.0 - ay));
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h = minh;
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}
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EINA_LIST_FOREACH(sd->items, l, obj)
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{
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evas_object_size_hint_weight_get(obj, &wx, &wy);
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if (sd->horizontal)
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{
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if (wx > 0.0) expand++;
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}
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else
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{
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if (wy > 0.0) expand++;
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}
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}
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if (expand == 0)
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{
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evas_object_size_hint_align_get(sd->obj, &ax, &ay);
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if (sd->horizontal)
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{
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x += (double)(w - minw) * ax;
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w = minw;
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}
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else
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{
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y += (double)(h - minh) * ay;
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h = minh;
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}
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}
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wdif = w - minw;
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hdif = h - minh;
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xx = x;
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yy = y;
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EINA_LIST_FOREACH(sd->items, l, obj)
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{
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evas_object_size_hint_align_get(obj, &ax, &ay);
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evas_object_size_hint_weight_get(obj, &wx, &wy);
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evas_object_size_hint_min_get(obj, &mnw, &mnh);
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evas_object_size_hint_max_get(obj, &mxw, &mxh);
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fw = fh = 0;
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xw = xh = 0;
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if (ax == -1.0) {fw = 1; ax = 0.5;}
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if (ay == -1.0) {fh = 1; ay = 0.5;}
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if (wx > 0.0) xw = 1;
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if (wy > 0.0) xh = 1;
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if (sd->horizontal)
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{
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if (sd->homogenous)
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{
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Evas_Coord ww, hh, ow, oh;
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ww = (w / (Evas_Coord)count);
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hh = h;
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ow = mnw;
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if (fw) ow = ww;
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if ((mxw >= 0) && (mxw < ow))
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ow = mxw;
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oh = mnh;
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if (fh) oh = hh;
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if ((mxh >= 0) && (mxh < oh))
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oh = mxh;
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evas_object_move(obj,
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xx + (Evas_Coord)(((double)(ww - ow)) * ax),
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yy + (Evas_Coord)(((double)(hh - oh)) * ay));
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evas_object_resize(obj, ow, oh);
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xx += ww;
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}
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else
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{
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Evas_Coord ww, hh, ow, oh;
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ww = mnw;
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if ((expand > 0) && (xw))
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{
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if (expand == 1) ow = wdif;
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else ow = (w - minw) / expand;
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wdif -= ow;
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ww += ow;
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}
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hh = h;
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ow = mnw;
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if (fw) ow = ww;
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if ((mxw >= 0) && (mxw < ow)) ow = mxw;
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oh = mnh;
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if (fh) oh = hh;
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if ((mxh >= 0) && (mxh < oh)) oh = mxh;
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evas_object_move(obj,
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xx + (Evas_Coord)(((double)(ww - ow)) * ax),
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yy + (Evas_Coord)(((double)(hh - oh)) * ay));
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evas_object_resize(obj, ow, oh);
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xx += ww;
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}
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}
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else
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{
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if (sd->homogenous)
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{
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Evas_Coord ww, hh, ow, oh;
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ww = w;
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hh = (h / (Evas_Coord)count);
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ow = mnw;
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if (fw) ow = ww;
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if ((mxw >= 0) && (mxw < ow)) ow = mxw;
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oh = mnh;
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if (fh) oh = hh;
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if ((mxh >= 0) && (mxh < oh)) oh = mxh;
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evas_object_move(obj,
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xx + (Evas_Coord)(((double)(ww - ow)) * ax),
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yy + (Evas_Coord)(((double)(hh - oh)) * ay));
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evas_object_resize(obj, ow, oh);
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yy += hh;
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}
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else
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{
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Evas_Coord ww, hh, ow, oh;
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ww = w;
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hh = mnh;
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if ((expand > 0) && (xh))
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{
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if (expand == 1) oh = hdif;
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else oh = (h - minh) / expand;
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hdif -= oh;
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hh += oh;
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}
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ow = mnw;
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if (fw) ow = ww;
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if ((mxw >= 0) && (mxw < ow)) ow = mxw;
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oh = mnh;
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if (fh) oh = hh;
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if ((mxh >= 0) && (mxh < oh)) oh = mxh;
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evas_object_move(obj,
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xx + (Evas_Coord)(((double)(ww - ow)) * ax),
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yy + (Evas_Coord)(((double)(hh - oh)) * ay));
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evas_object_resize(obj, ow, oh);
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yy += hh;
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}
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}
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}
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}
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static void
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_smart_extents_calculate(Smart_Data *sd)
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{
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Evas_Coord minw, minh, maxw, maxh, mnw, mnh;
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/* FIXME: need to calc max */
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minw = 0;
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minh = 0;
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maxw = -1;
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maxh = -1;
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if (sd->homogenous)
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{
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const Eina_List *l;
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const Evas_Object *obj;
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EINA_LIST_FOREACH(sd->items, l, obj)
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{
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evas_object_size_hint_min_get(obj, &mnw, &mnh);
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if (minh < mnh) minh = mnh;
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if (minw < mnw) minw = mnw;
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}
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if (sd->horizontal)
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minw *= eina_list_count(sd->items);
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else
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minh *= eina_list_count(sd->items);
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}
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else
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{
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const Eina_List *l;
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const Evas_Object *obj;
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EINA_LIST_FOREACH(sd->items, l, obj)
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{
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evas_object_size_hint_min_get(obj, &mnw, &mnh);
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if (sd->horizontal)
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{
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if (minh < mnh) minh = mnh;
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minw += mnw;
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}
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else
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{
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if (minw < mnw) minw = mnw;
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minh += mnh;
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}
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}
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}
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evas_object_size_hint_min_set(sd->obj, minw, minh);
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}
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static void
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_smart_init(void)
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{
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if (_e_smart) return;
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{
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static const Evas_Smart_Class sc =
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{
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"e_box",
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EVAS_SMART_CLASS_VERSION,
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_smart_add,
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_smart_del,
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_smart_move,
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_smart_resize,
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_smart_show,
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_smart_hide,
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_smart_color_set,
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_smart_clip_set,
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_smart_clip_unset,
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NULL,
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NULL,
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NULL,
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NULL
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};
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_e_smart = evas_smart_class_new(&sc);
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}
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}
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static void
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_smart_add(Evas_Object *obj)
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{
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Smart_Data *sd;
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sd = calloc(1, sizeof(Smart_Data));
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if (!sd) return;
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sd->obj = obj;
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sd->clip = evas_object_rectangle_add(evas_object_evas_get(obj));
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evas_object_smart_member_add(sd->clip, obj);
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evas_object_move(sd->clip, -100004, -100004);
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evas_object_resize(sd->clip, 200008, 200008);
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evas_object_color_set(sd->clip, 255, 255, 255, 255);
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evas_object_smart_data_set(obj, sd);
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}
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static void
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_smart_del(Evas_Object *obj)
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{
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Smart_Data *sd;
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sd = evas_object_smart_data_get(obj);
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if (!sd) return;
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sd->deleting = 1;
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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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_els_smart_box_unpack(child);
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}
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evas_object_del(sd->clip);
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free(sd);
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evas_object_smart_data_set(obj, NULL);
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}
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static void
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_smart_move(Evas_Object *obj, Evas_Coord x, Evas_Coord y)
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{
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Smart_Data *sd;
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const Eina_List *l;
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Evas_Object *child;
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Evas_Coord dx, dy;
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sd = evas_object_smart_data_get(obj);
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if (!sd) return;
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dx = x - sd->x;
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dy = y - sd->y;
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sd->x = x;
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sd->y = y;
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EINA_LIST_FOREACH(sd->items, l, child)
|
|
{
|
|
Evas_Coord ox, oy;
|
|
|
|
evas_object_geometry_get(child, &ox, &oy, NULL, NULL);
|
|
evas_object_move(child, ox + dx, oy + dy);
|
|
}
|
|
}
|
|
|
|
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;
|
|
sd->w = w;
|
|
sd->h = h;
|
|
_smart_reconfigure(sd);
|
|
}
|
|
|
|
static void
|
|
_smart_show(Evas_Object *obj)
|
|
{
|
|
Smart_Data *sd;
|
|
|
|
sd = evas_object_smart_data_get(obj);
|
|
if (!sd) return;
|
|
if (sd->items) evas_object_show(sd->clip);
|
|
}
|
|
|
|
static void
|
|
_smart_hide(Evas_Object *obj)
|
|
{
|
|
Smart_Data *sd;
|
|
|
|
sd = evas_object_smart_data_get(obj);
|
|
if (!sd) return;
|
|
evas_object_hide(sd->clip);
|
|
}
|
|
|
|
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->clip, 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->clip, 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->clip);
|
|
}
|