109 lines
2.5 KiB
C
109 lines
2.5 KiB
C
#include "Photo.h"
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/*
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* Public functions
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*/
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int photo_picture_histo_init(Photo_Item *pi)
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{
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pi->histo.list = NULL;
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pi->histo.pos = 0;
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return 1;
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}
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void photo_picture_histo_shutdown(Photo_Item *pi)
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{
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Eina_List *l;
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Picture *p;
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Photo_Item *pi2;
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int cur;
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if (pi->histo.list)
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{
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for (l=pi->histo.list; l; l=eina_list_next(l))
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{
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p = eina_list_data_get(l);
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cur = 0;
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while ( (pi2 = eina_list_nth(p->items_histo, cur)) )
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{
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if (pi == pi2)
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p->items_histo = eina_list_remove(p->items_histo, pi);
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else
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cur++;
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}
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}
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eina_list_free(pi->histo.list);
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pi->histo.list = NULL;
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}
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pi->histo.pos = 0;
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if (pi->histo.popi)
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{
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photo_popup_info_del(pi->histo.popi);
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pi->histo.popi = NULL;
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}
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}
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void photo_picture_histo_attach(Photo_Item *pi, Picture *picture)
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{
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pi->histo.list = eina_list_prepend(pi->histo.list, picture);
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/* if full and we are not on the last histo item, remove last */
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if (eina_list_count(pi->histo.list) > PICTURE_HISTO_SIZE_MAX)
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{
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Eina_List *l, *l2;
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l = eina_list_last(pi->histo.list);
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l2 = eina_list_nth_list(pi->histo.list, pi->histo.pos);
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if (l != l2)
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pi->histo.list = eina_list_remove_list(pi->histo.list, l);
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}
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/* add the pi to the picture's items histo list if not already here */
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if (!eina_list_data_find(picture->items_histo, pi))
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picture->items_histo = eina_list_append(picture->items_histo, pi);
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}
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Picture *photo_picture_histo_change(Photo_Item *pi, int offset)
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{
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Picture *picture;
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int new_pos;
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new_pos = pi->histo.pos + offset;
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DPIC(("HISTO change from %d to %d (off %d)", pi->histo.pos, new_pos, offset));
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picture = eina_list_nth(pi->histo.list, new_pos);
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if (picture)
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{
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if (!picture->pi && !picture->delete_me)
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pi->histo.pos = new_pos;
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else
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picture = NULL;
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}
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if (!picture)
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DPIC(("HISTO change FAILED !!"));
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return picture;
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}
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void photo_picture_histo_picture_del(Picture *picture)
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{
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Photo_Item *pi;
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Eina_List *l;
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if (!picture) return;
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for (l=picture->items_histo; l; l=eina_list_next(l))
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{
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pi = eina_list_data_get(l);
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while(eina_list_data_find(pi->histo.list, picture))
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pi->histo.list = eina_list_remove(pi->histo.list, picture);
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}
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eina_list_free(picture->items_histo);
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}
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