LibWeb: Add a simple DumpLayoutTree program

This loads a page and, dumps the layout tree to stdout, and exits.
This commit is contained in:
Andreas Kling 2020-12-08 23:34:55 +01:00
parent cf646badfa
commit f52ce49a36
Notes: sideshowbarker 2024-07-19 00:58:09 +09:00
2 changed files with 40 additions and 0 deletions

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set(SOURCES
main.cpp
)
serenity_bin(DumpLayoutTree)
target_link_libraries(DumpLayoutTree LibWeb)

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#include <LibCore/ArgsParser.h>
#include <LibGUI/Application.h>
#include <LibWeb/Dump.h>
#include <LibWeb/InProcessWebView.h>
#include <LibWeb/Layout/InitialContainingBlockBox.h>
#include <stdlib.h>
int main(int argc, char** argv)
{
auto app = GUI::Application::construct(argc, argv);
auto window = GUI::Window::construct();
window->set_title("DumpLayoutTree");
window->resize(800, 600);
window->show();
auto& web_view = window->set_main_widget<Web::InProcessWebView>();
web_view.load(URL::create_with_file_protocol(argv[1]));
web_view.on_load_finish = [&](auto&) {
auto* document = web_view.document();
if (!document) {
warnln("No document.");
_exit(1);
}
auto* layout_root = document->layout_node();
if (!layout_root) {
warnln("No layout tree.");
_exit(1);
}
StringBuilder builder;
Web::dump_tree(builder, *layout_root);
write(STDOUT_FILENO, builder.string_view().characters_without_null_termination(), builder.length());
_exit(0);
};
return app->exec();
}