Evas textblock: Split _layout to _layout and _layout_pre.
This cleans the code a bit and will soon let us do smarter native size calculation. SVN revision: 59845
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@ -1750,6 +1750,7 @@ struct _Ctxt
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Evas_Object_Textblock_Line *ln;
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Eina_List *format_stack;
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Evas_Object_Textblock_Format *fmt;
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int x, y;
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int w, h;
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@ -3768,70 +3769,23 @@ _format_changes_invalidate_text_nodes(Ctxt *c)
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}
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}
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/**
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* @internal
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* Create the layout from the nodes.
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*
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* @param obj the evas object - NOT NULL.
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* @param calc_only true if should only calc sizes false if should also create the layout.. It assumes native size is being calculated, doesn't support formatted size atm.
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* @param w the object's w, -1 means no wrapping (i.e infinite size)
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* @param h the object's h, -1 means inifinte size.
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* @param w_ret the object's calculated w.
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* @param h_ret the object's calculated h.
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*/
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/** FIXME: Document */
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static void
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_layout(const Evas_Object *obj, int w, int h, int *w_ret, int *h_ret)
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_layout_pre(Ctxt *c, int *style_pad_l, int *style_pad_r, int *style_pad_t,
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int *style_pad_b)
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{
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Evas_Object_Textblock *o;
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Ctxt ctxt, *c;
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Evas_Object_Textblock_Node_Text *n;
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Evas_Object_Textblock_Format *fmt = NULL;
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int style_pad_l = 0, style_pad_r = 0, style_pad_t = 0, style_pad_b = 0;
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/* setup context */
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o = (Evas_Object_Textblock *)(obj->object_data);
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c = &ctxt;
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c->obj = (Evas_Object *)obj;
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c->o = o;
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c->paragraphs = c->par = NULL;
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c->format_stack = NULL;
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c->x = c->y = 0;
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c->w = w;
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c->h = h;
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c->wmax = c->hmax = 0;
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c->maxascent = c->maxdescent = 0;
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c->marginl = c->marginr = 0;
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c->have_underline = 0;
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c->have_underline2 = 0;
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c->underline_extend = 0;
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c->line_no = 0;
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c->align = 0.0;
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c->align_auto = EINA_TRUE;
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c->ln = NULL;
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c->width_changed = (obj->cur.geometry.w != o->last_w);
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Evas_Object *obj = c->obj;
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Evas_Object_Textblock *o = c->o;
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/* Mark text nodes as dirty if format have changed. */
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if (c->o->format_changed)
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{
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_format_changes_invalidate_text_nodes(c);
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}
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/* Start of logical layout creation */
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/* setup default base style */
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if ((c->o->style) && (c->o->style->default_tag))
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{
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fmt = _layout_format_push(c, NULL);
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_format_fill(c->obj, fmt, c->o->style->default_tag);
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}
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if (!fmt)
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{
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if (w_ret) *w_ret = 0;
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if (h_ret) *h_ret = 0;
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return;
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}
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if (o->content_changed)
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{
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Evas_Object_Textblock_Node_Text *n;
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c->par = c->paragraphs = o->paragraphs;
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/* Go through all the text nodes to create the logical layout */
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EINA_INLIST_FOREACH(c->o->text_nodes, n)
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@ -3884,9 +3838,9 @@ _layout(const Evas_Object *obj, int w, int h, int *w_ret, int *h_ret)
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{
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/* Only do this if this actually changes format */
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if (fnode->format_change)
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_layout_do_format(obj, c, &fmt, fnode,
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&style_pad_l, &style_pad_r,
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&style_pad_t, &style_pad_b, EINA_FALSE);
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_layout_do_format(obj, c, &c->fmt, fnode,
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style_pad_l, style_pad_r,
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style_pad_t, style_pad_b, EINA_FALSE);
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fnode = _NODE_FORMAT(EINA_INLIST_GET(fnode)->next);
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}
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continue;
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@ -3914,13 +3868,13 @@ _layout(const Evas_Object *obj, int w, int h, int *w_ret, int *h_ret)
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{
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off += fnode->offset;
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/* No need to skip on the first run, or a non-visible one */
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_layout_text_append(c, fmt, n, start, off, o->repch);
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_layout_do_format(obj, c, &fmt, fnode, &style_pad_l,
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&style_pad_r, &style_pad_t, &style_pad_b, EINA_TRUE);
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_layout_text_append(c, c->fmt, n, start, off, o->repch);
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_layout_do_format(obj, c, &c->fmt, fnode, style_pad_l,
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style_pad_r, style_pad_t, style_pad_b, EINA_TRUE);
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if ((c->have_underline2) || (c->have_underline))
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{
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if (style_pad_b < c->underline_extend)
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style_pad_b = c->underline_extend;
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if (*style_pad_b < c->underline_extend)
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*style_pad_b = c->underline_extend;
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c->have_underline = 0;
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c->have_underline2 = 0;
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c->underline_extend = 0;
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@ -3938,7 +3892,7 @@ _layout(const Evas_Object *obj, int w, int h, int *w_ret, int *h_ret)
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fnode->new = EINA_FALSE;
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fnode = _NODE_FORMAT(EINA_INLIST_GET(fnode)->next);
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}
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_layout_text_append(c, fmt, n, start, -1, o->repch);
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_layout_text_append(c, c->fmt, n, start, -1, o->repch);
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c->par = (Evas_Object_Textblock_Paragraph *)
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EINA_INLIST_GET(c->par)->next;
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}
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@ -3961,6 +3915,64 @@ _layout(const Evas_Object *obj, int w, int h, int *w_ret, int *h_ret)
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c->par = NULL;
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}
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}
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/**
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* @internal
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* Create the layout from the nodes.
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*
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* @param obj the evas object - NOT NULL.
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* @param calc_only true if should only calc sizes false if should also create the layout.. It assumes native size is being calculated, doesn't support formatted size atm.
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* @param w the object's w, -1 means no wrapping (i.e infinite size)
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* @param h the object's h, -1 means inifinte size.
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* @param w_ret the object's calculated w.
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* @param h_ret the object's calculated h.
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*/
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static void
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_layout(const Evas_Object *obj, int w, int h, int *w_ret, int *h_ret)
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{
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Evas_Object_Textblock *o;
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Ctxt ctxt, *c;
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int style_pad_l = 0, style_pad_r = 0, style_pad_t = 0, style_pad_b = 0;
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/* setup context */
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o = (Evas_Object_Textblock *)(obj->object_data);
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c = &ctxt;
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c->obj = (Evas_Object *)obj;
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c->o = o;
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c->paragraphs = c->par = NULL;
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c->format_stack = NULL;
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c->fmt = NULL;
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c->x = c->y = 0;
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c->w = w;
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c->h = h;
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c->wmax = c->hmax = 0;
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c->maxascent = c->maxdescent = 0;
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c->marginl = c->marginr = 0;
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c->have_underline = 0;
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c->have_underline2 = 0;
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c->underline_extend = 0;
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c->line_no = 0;
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c->align = 0.0;
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c->align_auto = EINA_TRUE;
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c->ln = NULL;
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c->width_changed = (obj->cur.geometry.w != o->last_w);
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/* Start of logical layout creation */
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/* setup default base style */
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if ((c->o->style) && (c->o->style->default_tag))
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{
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c->fmt = _layout_format_push(c, NULL);
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_format_fill(c->obj, c->fmt, c->o->style->default_tag);
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}
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if (!c->fmt)
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{
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if (w_ret) *w_ret = 0;
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if (h_ret) *h_ret = 0;
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return;
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}
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_layout_pre(c, &style_pad_l, &style_pad_r, &style_pad_t, &style_pad_b);
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c->paragraphs = o->paragraphs;
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/* If there are no paragraphs, create the minimum needed,
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@ -3974,7 +3986,7 @@ _layout(const Evas_Object *obj, int w, int h, int *w_ret, int *h_ret)
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EINA_INLIST_GET(c->paragraphs)->last;
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if (!c->par->logical_items)
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{
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_layout_text_append(c, fmt, NULL, 0, 0, NULL);
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_layout_text_append(c, c->fmt, NULL, 0, 0, NULL);
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}
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/* End of logical layout creation */
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@ -4020,9 +4032,9 @@ _layout(const Evas_Object *obj, int w, int h, int *w_ret, int *h_ret)
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/* Clean the rest of the format stack */
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while (c->format_stack)
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{
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fmt = c->format_stack->data;
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c->fmt = c->format_stack->data;
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c->format_stack = eina_list_remove_list(c->format_stack, c->format_stack);
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_format_unref_free(c->obj, fmt);
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_format_unref_free(c->obj, c->fmt);
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}
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if (w_ret) *w_ret = c->wmax;
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