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[mujs] element.offsetTop

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This commit is contained in:
Witold Filipczyk 2024-01-27 15:26:09 +01:00
parent 317737fa34
commit 7c72d49f0c
1 changed files with 64 additions and 0 deletions
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64
src/ecmascript/mujs/element.c
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@ -836,6 +836,69 @@ mjs_element_get_property_offsetParent(js_State *J)
mjs_push_element(J, node);
}
static void
mjs_element_get_property_offsetTop(js_State *J)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
dom_node *el = (dom_node *)(mjs_getprivate(J, 0));
if (!el) {
js_pushnull(J);
return;
}
struct ecmascript_interpreter *interpreter = (struct ecmascript_interpreter *)js_getcontext(J);
struct view_state *vs = interpreter->vs;
struct document_view *doc_view = vs->doc_view;
struct document *document = doc_view->document;
struct session *ses;
if (!document) {
js_pushnumber(J, 0);
return;
}
int offset = find_offset(document->element_map_rev, el);
if (offset <= 0) {
js_pushnumber(J, 0);
return;
}
struct node_rect *rect = get_element_rect(document, offset);
if (!rect) {
js_pushnumber(J, 0);
return;
}
ses = doc_view->session;
if (!ses) {
js_pushnumber(J, 0);
return;
}
dom_node *node = NULL;
dom_exception exc = dom_node_get_parent_node(el, &node);
if (exc != DOM_NO_ERR || !node) {
js_pushnumber(J, 0);
return;
}
int offset_parent = find_offset(document->element_map_rev, node);
if (offset_parent <= 0) {
js_pushnumber(J, 0);
return;
}
struct node_rect *rect_parent = get_element_rect(document, offset_parent);
if (!rect_parent) {
js_pushnumber(J, 0);
return;
}
int dy = int_max(0, (rect->y0 - rect_parent->y0) * ses->tab->term->cell_height);
dom_node_unref(node);
js_pushnumber(J, dy);
}
static void
mjs_element_get_property_ownerDocument(js_State *J)
{
@ -2893,6 +2956,7 @@ mjs_push_element(js_State *J, void *node)
addproperty(J, "nodeValue", mjs_element_get_property_nodeValue, NULL);
addproperty(J, "offsetLeft", mjs_element_get_property_offsetLeft, NULL);
addproperty(J, "offsetParent", mjs_element_get_property_offsetParent, NULL);
addproperty(J, "offsetTop", mjs_element_get_property_offsetTop, NULL);
addproperty(J, "outerHTML", mjs_element_get_property_outerHtml, NULL);
addproperty(J, "ownerDocument", mjs_element_get_property_ownerDocument, NULL);
addproperty(J, "parentElement", mjs_element_get_property_parentElement, NULL);