forked from enlightenment/efl
Evas textblock: Added an rbtree index for the layout paragraphs.
This can be used with both coordinates and line numbers, this is a faster way to find layout paragraphs in the textblock which means we should now be a lot faster with big textblocks. SVN revision: 59527
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@ -261,6 +261,7 @@ struct _Evas_Object_Textblock_Node_Format
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struct _Evas_Object_Textblock_Paragraph
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{
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EINA_INLIST;
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EINA_RBTREE;
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Evas_Object_Textblock_Line *lines;
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Evas_Object_Textblock_Node_Text *text_node;
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Eina_List *logical_items;
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@ -268,6 +269,7 @@ struct _Evas_Object_Textblock_Paragraph
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int x, y, w, h;
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int line_no;
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Eina_Bool visible : 1;
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Eina_Bool indexed : 1;
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};
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struct _Evas_Object_Textblock_Line
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@ -393,6 +395,7 @@ struct _Evas_Object_Textblock
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Evas_Object_Textblock_Node_Text *text_nodes;
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Evas_Object_Textblock_Node_Format *format_nodes;
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Evas_Object_Textblock_Paragraph *paragraphs;
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Eina_Rbtree *par_index;
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Eina_List *anchors_a;
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Eina_List *anchors_item;
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int last_w, last_h;
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@ -1839,6 +1842,75 @@ _layout_line_new(Ctxt *c, Evas_Object_Textblock_Format *fmt)
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_layout_format_ascent_descent_adjust(c, fmt);
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}
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/* par index functions */
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static Eina_Rbtree_Direction
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_par_index_node_cmp(const Eina_Rbtree *left, const Eina_Rbtree *right,
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void *data __UNUSED__)
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{
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Evas_Object_Textblock_Paragraph *lpar, *rpar;
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lpar = EINA_RBTREE_CONTAINER_GET(left, Evas_Object_Textblock_Paragraph);
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rpar = EINA_RBTREE_CONTAINER_GET(right, Evas_Object_Textblock_Paragraph);
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/* Because they can't be equal or overlap, we don't need to compare
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* anything except for the y position */
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return (lpar->y < rpar->y) ? EINA_RBTREE_LEFT : EINA_RBTREE_RIGHT;
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}
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static int
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_par_index_y_key_cmp(const Eina_Rbtree *node, const void *key,
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int length __UNUSED__, void *data __UNUSED__)
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{
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Evas_Coord y = *((const Evas_Coord *) key);
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Evas_Object_Textblock_Paragraph *par;
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par = EINA_RBTREE_CONTAINER_GET(node, Evas_Object_Textblock_Paragraph);
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if (y < par->y)
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return 1;
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else if ((par->y <= y) && (y < par->y + par->h))
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return 0;
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else
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return -1;
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}
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static int
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_par_index_line_no_key_cmp(const Eina_Rbtree *node, const void *key,
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int length __UNUSED__, void *data __UNUSED__)
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{
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int line_no = *((const int *) key);
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Evas_Object_Textblock_Paragraph *par, *npar;
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par = EINA_RBTREE_CONTAINER_GET(node, Evas_Object_Textblock_Paragraph);
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npar = (Evas_Object_Textblock_Paragraph *) EINA_INLIST_GET(par)->next;
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if (line_no < par->line_no)
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return 1;
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else if ((par->line_no <= par->line_no) &&
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(!npar || (line_no < npar->line_no)))
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return 0;
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else return -1;
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}
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static inline Evas_Object_Textblock_Paragraph *
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_layout_find_paragraph_by_y(Evas_Object_Textblock *o, Evas_Coord y)
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{
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Eina_Rbtree *tmp = eina_rbtree_inline_lookup(o->par_index, &y, 0,
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_par_index_y_key_cmp, NULL);
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return (tmp) ?
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EINA_RBTREE_CONTAINER_GET(tmp, Evas_Object_Textblock_Paragraph) :
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NULL;
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}
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static inline Evas_Object_Textblock_Paragraph *
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_layout_find_paragraph_by_line_no(Evas_Object_Textblock *o, int line_no)
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{
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Eina_Rbtree *tmp = eina_rbtree_inline_lookup(o->par_index,
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&line_no, 0, _par_index_line_no_key_cmp, NULL);
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return (tmp) ?
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EINA_RBTREE_CONTAINER_GET(tmp, Evas_Object_Textblock_Paragraph) :
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NULL;
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}
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/* End of rbtree index functios */
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/**
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* @internal
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* Create a new layout paragraph.
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@ -1932,6 +2004,8 @@ _paragraph_clear(const Evas_Object *obj, Evas_Object_Textblock_Paragraph *par)
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static void
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_paragraph_free(const Evas_Object *obj, Evas_Object_Textblock_Paragraph *par)
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{
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Evas_Object_Textblock *o;
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o = (Evas_Object_Textblock *)(obj->object_data);
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_paragraph_clear(obj, par);
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{
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@ -1950,6 +2024,9 @@ _paragraph_free(const Evas_Object *obj, Evas_Object_Textblock_Paragraph *par)
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/* If we are the active par of the text node, set to NULL */
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if (par->text_node && (par->text_node->par == par))
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par->text_node->par = NULL;
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o->par_index = eina_rbtree_inline_remove(o->par_index,
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EINA_RBTREE_GET(par), _par_index_node_cmp, NULL);
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free(par);
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}
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@ -1987,6 +2064,8 @@ _paragraphs_free(const Evas_Object *obj, Evas_Object_Textblock_Paragraph *pars)
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{
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Evas_Object_Textblock *o;
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o = (Evas_Object_Textblock *)(obj->object_data);
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o->par_index = NULL;
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while (pars)
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{
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Evas_Object_Textblock_Paragraph *par;
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@ -3028,6 +3107,16 @@ _layout_update_par(Ctxt *c)
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{
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c->par->y = 0;
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}
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/* Insert it to the index now that we calculated it's y
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* We don't need to reinsert even if y (they key) changed, because the
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* order remains the same. */
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if (!c->calc_only && !c->par->indexed)
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{
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c->o->par_index = eina_rbtree_inline_insert(c->o->par_index,
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EINA_RBTREE_GET(c->par), _par_index_node_cmp, NULL);
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c->par->indexed = EINA_TRUE;
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}
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}
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/* -1 means no wrap */
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@ -4089,24 +4178,18 @@ _find_layout_item_line_match(Evas_Object *obj, Evas_Object_Textblock_Node_Text *
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static Evas_Object_Textblock_Line *
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_find_layout_line_num(const Evas_Object *obj, int line)
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{
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Evas_Object_Textblock_Paragraph *par, *prev_par = NULL;
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Evas_Object_Textblock_Paragraph *par;
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Evas_Object_Textblock_Line *ln;
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Evas_Object_Textblock *o;
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o = (Evas_Object_Textblock *)(obj->object_data);
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EINA_INLIST_FOREACH(o->paragraphs, par)
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par = _layout_find_paragraph_by_line_no(o, line);
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if (par)
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{
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if (prev_par && (prev_par->line_no <= line) && (line < par->line_no))
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EINA_INLIST_FOREACH(par->lines, ln)
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{
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break;
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}
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prev_par = par;
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}
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if (prev_par)
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{
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EINA_INLIST_FOREACH(prev_par->lines, ln)
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{
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if (ln->par->line_no + ln->line_no == line) return ln;
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if (par->line_no + ln->line_no == line) return ln;
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}
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}
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return NULL;
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@ -7384,7 +7467,7 @@ EAPI Eina_Bool
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evas_textblock_cursor_char_coord_set(Evas_Textblock_Cursor *cur, Evas_Coord x, Evas_Coord y)
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{
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Evas_Object_Textblock *o;
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Evas_Object_Textblock_Paragraph *par, *found_par = NULL;
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Evas_Object_Textblock_Paragraph *found_par;
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Evas_Object_Textblock_Line *ln;
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Evas_Object_Textblock_Item *it = NULL, *it_break = NULL;
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@ -7393,15 +7476,8 @@ evas_textblock_cursor_char_coord_set(Evas_Textblock_Cursor *cur, Evas_Coord x, E
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if (!o->formatted.valid) _relayout(cur->obj);
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x += o->style_pad.l;
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y += o->style_pad.t;
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EINA_INLIST_FOREACH(o->paragraphs, par)
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{
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if ((par->x <= x) && (par->x + par->w > x) &&
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(par->y <= y) && (par->y + par->h > y))
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{
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found_par = par;
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break;
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}
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}
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found_par = _layout_find_paragraph_by_y(o, y);
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if (found_par)
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{
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EINA_INLIST_FOREACH(found_par->lines, ln)
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@ -7475,7 +7551,7 @@ EAPI int
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evas_textblock_cursor_line_coord_set(Evas_Textblock_Cursor *cur, Evas_Coord y)
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{
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Evas_Object_Textblock *o;
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Evas_Object_Textblock_Paragraph *par, *found_par = NULL;
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Evas_Object_Textblock_Paragraph *found_par;
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Evas_Object_Textblock_Line *ln;
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if (!cur) return -1;
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@ -7483,14 +7559,7 @@ evas_textblock_cursor_line_coord_set(Evas_Textblock_Cursor *cur, Evas_Coord y)
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if (!o->formatted.valid) _relayout(cur->obj);
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y += o->style_pad.t;
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EINA_INLIST_FOREACH(o->paragraphs, par)
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{
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if ((par->y <= y) && (par->y + par->h > y))
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{
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found_par = par;
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break;
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}
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}
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found_par = _layout_find_paragraph_by_y(o, y);
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if (found_par)
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{
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@ -8075,7 +8144,7 @@ evas_object_textblock_free(Evas_Object *obj)
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static void
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evas_object_textblock_render(Evas_Object *obj, void *output, void *context, void *surface, int x, int y)
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{
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Evas_Object_Textblock_Paragraph *par, *start;
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Evas_Object_Textblock_Paragraph *par, *start = NULL;
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Evas_Object_Textblock_Line *ln;
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Evas_Object_Textblock *o;
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int i, j;
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@ -8214,21 +8283,21 @@ evas_object_textblock_render(Evas_Object *obj, void *output, void *context, void
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} \
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while (0)
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/* Find the first paragraph and start working on that */
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EINA_INLIST_FOREACH(o->paragraphs, par)
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{
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if (!par->visible) continue;
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if ((par->y + par->h) <= 0) continue;
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Evas_Coord look_for_y = 0 - (obj->cur.geometry.y + y);
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if (clip)
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{
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if ((obj->cur.geometry.y + y + par->y + par->h) < (cy - 20))
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continue;
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}
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break;
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Evas_Coord tmp_lfy = cy - (obj->cur.geometry.y + y);
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if (tmp_lfy > look_for_y)
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look_for_y = tmp_lfy;
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}
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start = par;
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if (look_for_y >= 0)
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start = _layout_find_paragraph_by_y(o, look_for_y);
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if (!start)
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start = o->paragraphs;
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}
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ITEM_WALK()
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{
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