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LibWeb: Implement the HTMLInputElement.height attribute

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This allows the height of an image button input to be set and queried.
This commit is contained in:
Tim Ledbetter 2024-11-29 17:56:24 +00:00 • committed by Andreas Kling
parent 45a2823e08
commit b39fdcfec2
Notes: github-actions[bot] 2024-11-30 10:19:26 +00:00
5 changed files with 60 additions and 1 deletions
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35
Libraries/LibWeb/HTML/HTMLInputElement.cpp
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@ -1882,6 +1882,41 @@ WebIDL::ExceptionOr<void> HTMLInputElement::set_size(WebIDL::UnsignedLong value)
return set_attribute(HTML::AttributeNames::size, String::number(value));
}
// https://html.spec.whatwg.org/multipage/input.html#dom-input-height
WebIDL::UnsignedLong HTMLInputElement::height() const
{
const_cast<DOM::Document&>(document()).update_layout();
// When the input element's type attribute is not in the Image Button state, then no image is available.
if (type_state() != TypeAttributeState::ImageButton)
return 0;
// Return the rendered height of the image, in CSS pixels, if the image is being rendered.
if (auto* paintable_box = this->paintable_box())
return paintable_box->content_height().to_int();
// On setting [the width or height IDL attribute], they must act as if they reflected the respective content attributes of the same name.
if (auto height_string = get_attribute(HTML::AttributeNames::height); height_string.has_value()) {
if (auto height = parse_non_negative_integer(*height_string); height.has_value() && *height <= 2147483647)
return *height;
}
// ...or else the natural height and height of the image, in CSS pixels, if an image is available but not being rendered
if (auto bitmap = current_image_bitmap())
return bitmap->height();
// ...or else 0, if the image is not available or does not have intrinsic dimensions.
return 0;
}
WebIDL::ExceptionOr<void> HTMLInputElement::set_height(WebIDL::UnsignedLong value)
{
if (value > 2147483647)
value = 0;
return set_attribute(HTML::AttributeNames::height, String::number(value));
}
// https://html.spec.whatwg.org/multipage/input.html#dom-input-width
WebIDL::UnsignedLong HTMLInputElement::width() const
{