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#include <Wt/WApplication.h>
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#include <Wt/WColor.h>
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#include <Wt/WContainerWidget.h>
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#include <Wt/WCssDecorationStyle.h>
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#include <Wt/WHBoxLayout.h>
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#include <Wt/WText.h>
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#include <Wt/WVBoxLayout.h>
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#include <memory>
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class Application final : public Wt::WApplication {
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public:
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explicit Application(const Wt::WEnvironment& env);
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void initialize() override;
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};
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Application::Application(const Wt::WEnvironment &env)
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: Wt::WApplication(env)
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{}
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void Application::initialize()
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{
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auto vLayout = root()->setLayout(std::make_unique<Wt::WVBoxLayout>());
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vLayout->setContentsMargins(0, 0, 0, 0);
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vLayout->setSpacing(0);
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auto description = vLayout->addWidget(std::make_unique<Wt::WText>(), 0);
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description->setTextFormat(Wt::TextFormat::XHTML);
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description->setText(Wt::utf8(
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"<h1>Box layout inconsistency</h1>"
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"<p>Note the difference between flex implementation (top), "
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"and JS implementation (bottom)</p>"));
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auto top = vLayout->addWidget(std::make_unique<Wt::WContainerWidget>(), 1);
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auto bottom = vLayout->addWidget(std::make_unique<Wt::WContainerWidget>(), 1);
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for (auto& container : {top, bottom}){
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auto layout = container->setLayout(std::make_unique<Wt::WHBoxLayout>());
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if (container == bottom) {
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layout->setPreferredImplementation(Wt::LayoutImplementation::JavaScript);
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}
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layout->setContentsMargins(0, 0, 0, 0);
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layout->setSpacing(40);
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auto container1 = layout->addWidget(std::make_unique<Wt::WContainerWidget>());
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auto container2 = layout->addWidget(std::make_unique<Wt::WContainerWidget>());
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auto container3 = layout->addWidget(std::make_unique<Wt::WContainerWidget>());
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container1->decorationStyle().setBackgroundColor(Wt::StandardColor::Red);
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container2->decorationStyle().setBackgroundColor(Wt::StandardColor::Green);
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container3->decorationStyle().setBackgroundColor(Wt::StandardColor::Blue);
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}
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}
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int main(int argc, char** argv)
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{
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return Wt::WRun(argc, argv, [](const Wt::WEnvironment& env) {
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return std::make_unique<Application>(env);
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});
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}
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