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Flex support WIP.

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This commit is contained in:
Martín Lucas Golini
2026-05-29 02:18:12 -03:00
parent 327952aa38
commit 20ef8854fc
18 changed files with 4899 additions and 15 deletions
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150
src/tests/unit_tests/uihtml_tests.cpp
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@@ -3082,3 +3082,153 @@ UTEST( UIHTML, LiFloatLeft ) {
Engine::destroySingleton();
}
UTEST( UIHTML, FlexCenterWebViewLikeLayout ) {
Engine::instance()->createWindow( WindowSettings( 1280, 720, "Flex Center WebView",
WindowStyle::Default, WindowBackend::Default,
32, {}, 1, false, true ),
ContextSettings( false, 0, 0, GLv_default, true, false ) );
UISceneNode* sceneNode = init_test_inline_block();
sceneNode->setURI( "file://" + Sys::getProcessPath() + "assets/html/" );
std::string html;
FileSystem::fileGet( "assets/html/flex_center.html", html );
sceneNode->loadLayoutFromString( HTMLFormatter::HTMLtoXML( html ) );
sceneNode->update( Seconds( 1 ) );
sceneNode->updateDirtyLayouts();
auto postWrapper = sceneNode->getRoot()->findByClass( "post-wrapper" );
auto post = sceneNode->getRoot()->findByClass( "post" );
ASSERT_TRUE( postWrapper != nullptr );
ASSERT_TRUE( post != nullptr );
auto postWrapperWidget = postWrapper->asType<UIWidget>();
auto postWidget = post->asType<UIWidget>();
std::cerr << "[TEST1280] post-wrapper size=" << postWrapperWidget->getPixelsSize().getWidth()
<< "x" << postWrapperWidget->getPixelsSize().getHeight()
<< " pos=" << postWrapperWidget->getPixelsPosition().x << ","
<< postWrapperWidget->getPixelsPosition().y
<< " pad=" << postWrapperWidget->getPixelsPadding().Left << ","
<< postWrapperWidget->getPixelsPadding().Top << ","
<< postWrapperWidget->getPixelsPadding().Right << ","
<< postWrapperWidget->getPixelsPadding().Bottom << std::endl;
std::cerr << "[TEST1280] post type=" << postWidget->getType()
<< " size=" << postWidget->getPixelsSize().getWidth() << "x"
<< postWidget->getPixelsSize().getHeight()
<< " pos=" << postWidget->getPixelsPosition().x << ","
<< postWidget->getPixelsPosition().y
<< " widthPolicy=" << (int)postWidget->getLayoutWidthPolicy()
<< " heightPolicy=" << (int)postWidget->getLayoutHeightPolicy()
<< " margin=" << postWidget->getLayoutPixelsMargin().Left << ","
<< postWidget->getLayoutPixelsMargin().Top << ","
<< postWidget->getLayoutPixelsMargin().Right << ","
<< postWidget->getLayoutPixelsMargin().Bottom << std::endl;
// In a real browser a div with width:100% inside a column flex container
// with align-items:center still spans the full cross axis because 100%
// resolves against the container. The item should therefore sit flush with
// the container's left edge (plus any container padding).
EXPECT_NEAR( postWidget->getPixelsPosition().x, 0.f, 2.f );
Engine::destroySingleton();
}
UTEST( UIHTML, FlexCenterNoTextNodeDisplacement ) {
Engine::instance()->createWindow( WindowSettings( 1024, 768, "Flex Center Test",
WindowStyle::Default, WindowBackend::Default,
32, {}, 1, false, true ),
ContextSettings( false, 0, 0, GLv_default, true, false ) );
UISceneNode* sceneNode = init_test_inline_block();
sceneNode->setURI( "file://" + Sys::getProcessPath() + "assets/html/" );
std::string html;
FileSystem::fileGet( "assets/html/flex_center.html", html );
sceneNode->loadLayoutFromString( HTMLFormatter::HTMLtoXML( html ) );
sceneNode->update( Seconds( 1 ) );
sceneNode->updateDirtyLayouts();
auto postWrapper = sceneNode->getRoot()->findByClass( "post-wrapper" );
ASSERT_TRUE( postWrapper != nullptr );
auto post = postWrapper->findByClass( "post" );
ASSERT_TRUE( post != nullptr );
// The post-wrapper is a column flex container. Whitespace text nodes
// between the tags must not be treated as flex items, otherwise the
// .post child would be displaced downward.
auto postWrapperWidget = postWrapper->asType<UIWidget>();
auto postWidget = post->asType<UIWidget>();
Float postX = postWidget->getPixelsPosition().x;
Float postY = postWidget->getPixelsPosition().y;
Float wrapperTopPadding = postWrapperWidget->getPixelsPadding().Top;
Float postMarginTop = postWidget->getLayoutPixelsMargin().Top;
Float wrapperW = postWrapperWidget->getPixelsSize().getWidth();
Float postW = postWidget->getPixelsSize().getWidth();
// Debug: print children of post-wrapper
std::cerr << "[TEST] post-wrapper children:" << std::endl;
Node* c = postWrapper->getFirstChild();
while ( c ) {
std::cerr << " type=" << c->getType() << " id=" << c->getId()
<< ( c->isWidget() ? " widget" : "" ) << std::endl;
c = c->getNextNode();
}
std::cerr << "[TEST] post pos=" << postX << "," << postY << " size=" << postW << "x"
<< postWidget->getPixelsSize().getHeight() << " wrapperW=" << wrapperW << std::endl;
// In a column flex container the first (and only) real flex item should
// sit right after the container's top padding plus its own margin-top.
EXPECT_NEAR( postY, wrapperTopPadding + postMarginTop, 2.f );
// The .post div has width: 100% so it should span the full cross axis.
// With align-items: center there is no free space, so x should be at the
// container's left padding (not displaced toward the right edge).
EXPECT_NEAR( postX, 0.f, 2.f );
EXPECT_GT( postW, wrapperW * 0.5f );
Engine::destroySingleton();
}
UTEST( UIHTML, FlexFormLayout ) {
Engine::instance()->createWindow( WindowSettings( 1024, 653, "Flex Form Layout Test",
WindowStyle::Default, WindowBackend::Default,
32, {}, 1, false, true ),
ContextSettings( false, 0, 0, GLv_default, true, false ) );
UISceneNode* sceneNode = init_test_inline_block();
sceneNode->setURI( "file://" + Sys::getProcessPath() + "assets/html/" );
std::string html;
FileSystem::fileGet( "assets/html/flex_form.html", html );
sceneNode->loadLayoutFromString( HTMLFormatter::HTMLtoXML( html ) );
sceneNode->update( Seconds( 1 ) );
sceneNode->updateDirtyLayouts();
auto form = sceneNode->getRoot()->findByClass( "newsletter-form" );
ASSERT_TRUE( form != nullptr );
auto formWidget = form->asType<UIWidget>();
// The form has display: flex with no explicit height; it must derive
// its height from the tallest flex item (the input or button).
EXPECT_GT( formWidget->getPixelsSize().getHeight(), 0.f );
// Find the email input and subscribe button within the form.
auto input = formWidget->findByTag( "input" );
auto button = formWidget->findByTag( "button" );
ASSERT_TRUE( input != nullptr );
ASSERT_TRUE( button != nullptr );
auto inputWidget = input->asType<UIWidget>();
auto buttonWidget = button->asType<UIWidget>();
// In a row flex container the button should sit to the right of the input.
Float inputRight = inputWidget->getPixelsPosition().x + inputWidget->getPixelsSize().getWidth();
EXPECT_GT( buttonWidget->getPixelsPosition().x, inputRight - 1.f );
Engine::destroySingleton();
}