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Browser+LibWeb: Add an Element size preview widget to inspector

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This Adds an element size preview widget to the inspector widget
in a new tab. This functions similar to chrome and firefox and
shows the margin, border, padding, and content size of the selected
element in the inspector.

The colors for the size preview widget are taken from the chrome
browser.
This commit is contained in:
Vrins 2022-02-27 01:38:12 +01:00 • committed by Andreas Kling
parent 3b22fd9a9f
commit 39a5076f40
14 changed files with 234 additions and 18 deletions
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33
Userland/Services/WebContent/ConnectionFromClient.cpp
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@ -258,7 +258,7 @@ Messages::WebContentServer::InspectDomNodeResponse ConnectionFromClient::inspect
Web::DOM::Node* node = Web::DOM::Node::from_id(node_id);
if (!node) {
return { false, "", "", "" };
return { false, "", "", "", "" };
}
node->document().set_inspected_node(node);
@ -266,7 +266,7 @@ Messages::WebContentServer::InspectDomNodeResponse ConnectionFromClient::inspect
if (node->is_element()) {
auto& element = verify_cast<Web::DOM::Element>(*node);
if (!element.specified_css_values())
return { false, "", "", "" };
return { false, "", "", "", "" };
auto serialize_json = [](Web::CSS::StyleProperties const& properties) -> String {
StringBuilder builder;
@ -301,14 +301,39 @@ Messages::WebContentServer::InspectDomNodeResponse ConnectionFromClient::inspect
return builder.to_string();
};
auto serialize_node_box_sizing_json = [](Web::DOM::Element const& element) -> String {
if (!element.layout_node()) {
return "";
}
auto box_model = static_cast<Web::Layout::Box const&>(*element.layout_node()).box_model();
StringBuilder builder;
auto serializer = MUST(JsonObjectSerializer<>::try_create(builder));
MUST(serializer.add("padding_top", box_model.padding.top));
MUST(serializer.add("padding_right", box_model.padding.right));
MUST(serializer.add("padding_bottom", box_model.padding.bottom));
MUST(serializer.add("padding_left", box_model.padding.left));
MUST(serializer.add("margin_top", box_model.margin.top));
MUST(serializer.add("margin_right", box_model.margin.top));
MUST(serializer.add("margin_bottom", box_model.margin.top));
MUST(serializer.add("margin_left", box_model.margin.top));
MUST(serializer.add("border_top", box_model.border.top));
MUST(serializer.add("border_right", box_model.border.right));
MUST(serializer.add("border_bottom", box_model.border.bottom));
MUST(serializer.add("border_left", box_model.border.left));
MUST(serializer.add("content_width", static_cast<Web::Layout::Box const&>(*element.layout_node()).content_width()));
MUST(serializer.add("content_height", static_cast<Web::Layout::Box const&>(*element.layout_node()).content_height()));
MUST(serializer.finish());
return builder.to_string();
};
String specified_values_json = serialize_json(*element.specified_css_values());
String computed_values_json = serialize_json(element.computed_style());
String custom_properties_json = serialize_custom_properties_json(element);
return { true, specified_values_json, computed_values_json, custom_properties_json };
String node_box_sizing_json = serialize_node_box_sizing_json(element);
return { true, specified_values_json, computed_values_json, custom_properties_json, node_box_sizing_json };
}
return { false, "", "", "" };
return { false, "", "", "", "" };
}
Messages::WebContentServer::GetHoveredNodeIdResponse ConnectionFromClient::get_hovered_node_id()