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[quickjs] element.offsetTop

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This commit is contained in:
Witold Filipczyk 2024-01-27 15:31:39 +01:00
parent 7c72d49f0c
commit 224c198781
1 changed files with 56 additions and 0 deletions
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56
src/ecmascript/quickjs/element.c
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@ -893,6 +893,61 @@ js_element_get_property_offsetParent(JSContext *ctx, JSValueConst this_val)
return getElement(ctx, node);
}
static JSValue
js_element_get_property_offsetTop(JSContext *ctx, JSValueConst this_val)
{
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
dom_node *el = (dom_node *)(js_getopaque(this_val, js_element_class_id));
if (!el) {
return JS_NULL;
}
struct ecmascript_interpreter *interpreter = (struct ecmascript_interpreter *)JS_GetContextOpaque(ctx);
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) {
return JS_NewInt32(ctx, 0);
}
int offset = find_offset(document->element_map_rev, el);
if (offset <= 0) {
return JS_NewInt32(ctx, 0);
}
struct node_rect *rect = get_element_rect(document, offset);
if (!rect) {
return JS_NewInt32(ctx, 0);
}
ses = doc_view->session;
if (!ses) {
return JS_NewInt32(ctx, 0);
}
dom_node *node = NULL;
dom_exception exc = dom_node_get_parent_node(el, &node);
if (exc != DOM_NO_ERR || !node) {
return JS_NewInt32(ctx, 0);
}
int offset_parent = find_offset(document->element_map_rev, node);
if (offset_parent <= 0) {
return JS_NewInt32(ctx, 0);
}
struct node_rect *rect_parent = get_element_rect(document, offset_parent);
if (!rect_parent) {
return JS_NewInt32(ctx, 0);
}
int dy = int_max(0, (rect->y0 - rect_parent->y0) * ses->tab->term->cell_height);
dom_node_unref(node);
return JS_NewInt32(ctx, dy);
}
static JSValue
js_element_get_property_ownerDocument(JSContext *ctx, JSValueConst this_val)
{
@ -3016,6 +3071,7 @@ static const JSCFunctionListEntry js_element_proto_funcs[] = {
JS_CGETSET_DEF("nodeValue", js_element_get_property_nodeValue, NULL),
JS_CGETSET_DEF("offsetLeft", js_element_get_property_offsetLeft, NULL),
JS_CGETSET_DEF("offsetParent", js_element_get_property_offsetParent, NULL),
JS_CGETSET_DEF("offsetTop", js_element_get_property_offsetTop, NULL),
JS_CGETSET_DEF("outerHTML", js_element_get_property_outerHtml, NULL),
JS_CGETSET_DEF("ownerDocument", js_element_get_property_ownerDocument, NULL),
JS_CGETSET_DEF("parentElement", js_element_get_property_parentElement, NULL),