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#include <Wt/WApplication.h>
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#include <Wt/WContainerWidget.h>
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#include <Wt/WPushButton.h>
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#include <Wt/WHBoxLayout.h>
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#include <Wt/WVBoxLayout.h>
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#include <Wt/WTextArea.h>
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#include <Wt/WLineEdit.h>
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struct ContainerWidgetBoxer {
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template<typename Layout>
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static Wt::WContainerWidget* box(Wt::WContainerWidget* boxingContainer, std::unique_ptr<Wt::WContainerWidget> &&container, const int stretchFirst = 0, const int stretchSecond = 1)
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{
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auto layout = boxingContainer->setLayout(std::make_unique<Layout>());
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layout->setSpacing(0);
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auto c = layout->addWidget(std::move(container), stretchFirst);
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auto stretcher = layout->addWidget(std::make_unique<Wt::WContainerWidget>(), stretchSecond);
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stretcher->setMargin(0);
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stretcher->setPadding(0);
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return c;
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}
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static Wt::WContainerWidget* boxboth(Wt::WContainerWidget* boxingContainer, std::unique_ptr<Wt::WContainerWidget> &&container)
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{
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auto innerBox = ContainerWidgetBoxer::box<Wt::WHBoxLayout>(boxingContainer, std::make_unique<Wt::WContainerWidget>());
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auto c = ContainerWidgetBoxer::box<Wt::WVBoxLayout>(innerBox, std::move(container));
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innerBox->setMargin(0);
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innerBox->setPadding(0);
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innerBox->addStyleClass("innerbox");
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return c;
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}
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};
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class MyApp : public Wt::WApplication {
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public:
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explicit MyApp(const Wt::WEnvironment &env) : Wt::WApplication(env)
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{
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ContainerWidgetBoxer::boxboth(root(), create());
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}
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private:
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Wt::WTextArea *logWidget_;
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Wt::WLineEdit* lineEdit_;
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Wt::WPushButton *launch_;
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void update()
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{
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launch_->disable();
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logWidget_->doJavaScript(
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"var textarea = document.getElementById('" + logWidget_->id() + "');" +
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"textarea.value += " + "'" + lineEdit_->text().toUTF8() + "\\n';" +
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"textarea.scrollTop = textarea.scrollHeight;"
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);
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lineEdit_->setText("");
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launch_->enable();
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}
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std::unique_ptr<Wt::WContainerWidget> create()
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{
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auto c = std::make_unique<Wt::WContainerWidget>();
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auto vbox = c->setLayout(std::make_unique<Wt::WVBoxLayout>());
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logWidget_ = vbox->addWidget(std::make_unique<Wt::WTextArea>());
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auto hbox = vbox->addLayout(std::make_unique<Wt::WHBoxLayout>());
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lineEdit_ = hbox->addWidget(std::make_unique<Wt::WLineEdit>(), 1);
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launch_ = hbox->addWidget(std::make_unique<Wt::WPushButton>("Run"));
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auto clear = hbox->addWidget(std::make_unique<Wt::WPushButton>("Clear"));
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launch_->clicked().connect([this]() {
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update();
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});
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clear->clicked().connect([this]() { logWidget_->setText(""); });
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lineEdit_->keyWentUp().connect([this](Wt::WKeyEvent key) {
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if (key.key() == Wt::Key::Enter)
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{
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update();
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}
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});
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return c;
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}
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};
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std::unique_ptr<Wt::WApplication> createApplication(const Wt::WEnvironment &env)
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{
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std::unique_ptr<Wt::WApplication> app = std::make_unique<MyApp>(env);
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return app;
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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, &createApplication);
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}
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