/* initAnchor:
* Save current map values
* Initialize fields in job->obj pertaining to anchors.
* In particular, this also sets the output rectangle.
* If there is something to do, close current anchor if
* necessary, start the anchor and returns 1.
* Otherwise, it returns 0.
*
* FIX: Should we provide a tooltip if none is set, as is done
* for nodes, edges, etc. ?
*/
static int
initAnchor (GVJ_t* job, htmlenv_t* env, htmldata_t* data, boxf b, htmlmap_data_t* save,
int closePrev)
{
obj_state_t *obj = job->obj;
int changed;
char* id;
static int anchorId;
int internalId = 0;
agxbuf xb;
char intbuf[30]; /* hold 64-bit decimal integer */
unsigned char buf[SMALLBUF];
save->url = obj->url;
save->tooltip = obj->tooltip;
save->target = obj->target;
save->id = obj->id;
save->explicit_tooltip = obj->explicit_tooltip;
id = data->id;
if (!id || !*id) { /* no external id, so use the internal one */
agxbinit(&xb, SMALLBUF, buf);
if (!env->objid) {
env->objid = strdup (getObjId (job, obj->u.n, &xb));
env->objid_set = 1;
}
agxbput (&xb, env->objid);
sprintf (intbuf, "_%d", anchorId++);
agxbput (&xb, intbuf);
id = agxbuse (&xb);
internalId = 1;
}
changed = initMapData (job, NULL, data->href, data->title, data->target, id, obj->u.g);
if (internalId)
agxbfree (&xb);
if (changed) {
if (closePrev && (save->url || save->explicit_tooltip))
gvrender_end_anchor(job);
if (obj->url || obj->explicit_tooltip) {
emit_map_rect(job, b);
gvrender_begin_anchor(job,
obj->url, obj->tooltip, obj->target, obj->id);
}
}
return changed;
}
static void
emit_html_cell(GVJ_t * job, htmlcell_t * cp, htmlenv_t * env)
{
box pts = cp->data.box;
point p = env->p;
pts.LL.x += p.x;
pts.UR.x += p.x;
pts.LL.y += p.y;
pts.UR.y += p.y;
/* gvrender_begin_context(); */
if (cp->data.href) {
emit_map_rect(job, pts.LL, pts.UR);
doAnchorStart(job, &cp->data);
}
if (cp->data.bgcolor)
doFill(job, cp->data.bgcolor, pts);
if (cp->child.kind == HTML_TBL)
emit_html_tbl(job, cp->child.u.tbl, env);
else if (cp->child.kind == HTML_IMAGE)
emit_html_img(job, cp->child.u.img, env);
else
emit_html_txt(job, cp->child.u.txt, env);
if (cp->data.border)
doBorder(job, cp->data.pencolor, cp->data.border, pts);
if (cp->data.href)
doAnchorEnd(job);
/* gvrender_end_context(); */
}
