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Evas textblock: started using the paragraph layout items a bit more so it's a bit faster now. Fixed a bug in calculating the line number. Paragraph layout items now point to the original paragraphs. 

SVN revision: 56486
This commit is contained in:
Tom Hacohen 2011-01-30 10:39:52 +00:00
parent 908a6d16b0
commit a3698f39a4
1 changed files with 29 additions and 26 deletions
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55
legacy/evas/src/lib/canvas/evas_object_textblock.c
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@ -289,6 +289,7 @@ struct _Evas_Object_Textblock_Paragraph
{
EINA_INLIST;
Evas_Object_Textblock_Line *lines;
Evas_Object_Textblock_Node_Text *text_node;
// int x, y, w, h;
int line_no;
};
@ -1838,12 +1839,13 @@ _layout_line_new(Ctxt *c, Evas_Object_Textblock_Format *fmt)
* @param c The context to work on - Not NULL.
*/
static void
_layout_paragraph_new(Ctxt *c)
_layout_paragraph_new(Ctxt *c, Evas_Object_Textblock_Node_Text *n)
{
c->par = calloc(1, sizeof(Evas_Object_Textblock_Paragraph));
c->paragraphs = (Evas_Object_Textblock_Paragraph *)eina_inlist_append(EINA_INLIST_GET(c->paragraphs), EINA_INLIST_GET(c->par));
c->x = 0;
c->ln = NULL;
c->par->text_node = n;
c->par->line_no = -1;
}
@ -2116,9 +2118,11 @@ _layout_line_reorder(Ctxt *c __UNUSED__, Evas_Object_Textblock_Line *line)
*
* @param c the context to work on - Not NULL.
* @param fmt the format to use.
* @param add_line true if we should create a line, false otherwise.
*/
static void
_layout_line_advance(Ctxt *c, Evas_Object_Textblock_Format *fmt)
_layout_line_advance(Ctxt *c, Evas_Object_Textblock_Format *fmt,
Eina_Bool add_line)
{
Evas_Object_Textblock_Item *it;
Eina_Bool no_text = EINA_TRUE;
@ -2149,7 +2153,6 @@ _layout_line_advance(Ctxt *c, Evas_Object_Textblock_Format *fmt)
if (ti->format->font.font)
ti->baseline = c->ENFN->font_max_ascent_get(c->ENDT, ti->format->font.font);
_layout_format_ascent_descent_adjust(c, ti->format);
no_text = EINA_FALSE;
}
else
{
@ -2219,7 +2222,7 @@ _layout_line_advance(Ctxt *c, Evas_Object_Textblock_Format *fmt)
{
c->par->line_no = c->line_no;
}
c->ln->line_no = c->ln->par->line_no - c->line_no;
c->ln->line_no = c->line_no - c->ln->par->line_no;
c->line_no++;
c->y += c->maxascent + c->maxdescent;
if (c->w >= 0)
@ -2237,7 +2240,8 @@ _layout_line_advance(Ctxt *c, Evas_Object_Textblock_Format *fmt)
if ((c->ln->x + c->ln->w + c->marginr - c->o->style_pad.l) > c->wmax)
c->wmax = c->ln->x + c->ln->w + c->marginl + c->marginr - c->o->style_pad.l;
}
_layout_line_new(c, fmt);
if (add_line)
_layout_line_new(c, fmt);
}
/**
@ -2803,7 +2807,7 @@ skip:
}
}
new_line = 0;
_layout_line_advance(c, fmt);
_layout_line_advance(c, fmt, EINA_TRUE);
}
}
@ -2973,7 +2977,7 @@ _layout_do_format(const Evas_Object *obj, Ctxt *c,
c->o->style_pad.r -
c->marginl - c->marginr))
{
_layout_line_advance(c, fmt);
_layout_line_advance(c, fmt, EINA_TRUE);
x2 = w;
}
fi = _layout_format_item_add(c, n, NULL);
@ -3013,24 +3017,15 @@ _layout_do_format(const Evas_Object *obj, Ctxt *c,
}
else
{
if (_IS_PARAGRAPH_SEPARATOR(item))
if ((_IS_PARAGRAPH_SEPARATOR(item)) ||
(_IS_LINE_SEPARATOR(item)))
{
Evas_Object_Textblock_Format_Item *fi;
fi = _layout_format_item_add(c, n, item);
fi->parent.x = c->x;
fi->parent.w = fi->parent.adv = 0;
_layout_line_advance(c, fmt);
}
else if (_IS_LINE_SEPARATOR(item))
{
Evas_Object_Textblock_Format_Item *fi;
fi = _layout_format_item_add(c, n, item);
fi->parent.x = c->x;
fi->parent.w = fi->parent.adv = 0;
_layout_line_advance(c, fmt);
_layout_line_advance(c, fmt, EINA_TRUE);
}
else if ((!strcmp(item, "\t")) || (!strcmp(item, "\\t")))
{
@ -3044,7 +3039,7 @@ _layout_do_format(const Evas_Object *obj, Ctxt *c,
c->o->style_pad.r -
c->marginl - c->marginr)))
{
_layout_line_advance(c, fmt);
_layout_line_advance(c, fmt, EINA_TRUE);
x2 = c->x + fmt->tabstops;
}
if (c->ln->items)
@ -3134,10 +3129,10 @@ _layout(const Evas_Object *obj, int calc_only, int w, int h, int *w_ret, int *h_
/* If there are no nodes and lines, do the initial creation. */
if (!c->par && !c->ln)
{
_layout_paragraph_new(c);
_layout_paragraph_new(c, NULL);
_layout_line_new(c, fmt);
_layout_text_append(c, fmt, NULL, 0, 0, NULL);
_layout_line_advance(c, fmt);
_layout_line_advance(c, fmt, EINA_TRUE);
}
}
@ -3148,7 +3143,7 @@ _layout(const Evas_Object *obj, int calc_only, int w, int h, int *w_ret, int *h_
size_t start;
int off;
_layout_paragraph_new(c); /* Each node is a paragraph */
_layout_paragraph_new(c, n); /* Each node is a paragraph */
_layout_line_new(c, fmt);
/* For each text node to thorugh all of it's format nodes
@ -3190,7 +3185,7 @@ _layout(const Evas_Object *obj, int calc_only, int w, int h, int *w_ret, int *h_
/* Advance the line so it'll calculate the size */
if ((c->ln) && (c->ln->items) && (fmt))
_layout_line_advance(c, fmt);
_layout_line_advance(c, fmt, EINA_TRUE);
/* Clean the rest of the format stack */
while (c->format_stack)
@ -3345,14 +3340,22 @@ _find_layout_item_line_match(Evas_Object *obj, Evas_Object_Textblock_Node_Text *
static Evas_Object_Textblock_Line *
_find_layout_line_num(const Evas_Object *obj, int line)
{
Evas_Object_Textblock_Paragraph *par;
Evas_Object_Textblock_Paragraph *par, *prev_par = NULL;
Evas_Object_Textblock_Line *ln;
Evas_Object_Textblock *o;
o = (Evas_Object_Textblock *)(obj->object_data);
EINA_INLIST_FOREACH(o->paragraphs, par)
{
EINA_INLIST_FOREACH(par->lines, ln)
if (prev_par && (prev_par->line_no <= line) && (line < par->line_no))
{
break;
}
prev_par = par;
}
if (prev_par)
{
EINA_INLIST_FOREACH(prev_par->lines, ln)
{
if (ln->par->line_no + ln->line_no == line) return ln;
}