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#include <Wt/WApplication.h>
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#include <Wt/WBootstrap5Theme.h>
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#include <Wt/WContainerWidget.h>
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#include <Wt/WGridLayout.h>
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#include <Wt/WHBoxLayout.h>
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#include <Wt/WPanel.h>
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#include <Wt/WPushButton.h>
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#include <Wt/WServer.h>
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#include <Wt/WText.h>
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#include <Wt/WVBoxLayout.h>
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using namespace std;
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using namespace Wt;
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#define SET_BS5THEME 1
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// Always apply theme before creating widgets!
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class CThemedApplication : public WApplication
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{
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public:
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CThemedApplication(const WEnvironment& rcEnv)
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: WApplication{rcEnv}
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{
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#if SET_BS5THEME
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setTheme(make_shared<WBootstrap5Theme>());
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#endif
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}
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};
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template<typename T, typename... TArgs>
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constexpr inline
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std::unique_ptr<T> create(std::function<void (T&)>&& fInitialize, TArgs&&... args)
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{
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std::unique_ptr<T> Ptr{std::make_unique<T>(std::forward<TArgs>(args)...)};
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fInitialize(*Ptr);
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return Ptr;
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}
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class CApplication final : public CThemedApplication
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{
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public:
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CApplication(const WEnvironment& rcEnv);
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private:
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WServer& _Server; //!< The associated WServer instance, needed for async operations.
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WContainerWidget& _cntRoot{*root()};
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WBoxLayout& _lytRoot{*_cntRoot.setLayout(make_unique<WVBoxLayout>())};
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WPushButton& _btnP{*_lytRoot.addWidget(create<WPushButton>([this](auto& btnP)
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{
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btnP.clicked().connect([this] { _pnlBottom.setDisabled(true); });
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}, "Enable bottom panel"))};
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WPanel& _pnlBottom{*_lytRoot.addWidget(create<WPanel>([this](auto&)
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{
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_lytRoot.addStretch(100);
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}))};
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WContainerWidget& _cntBottom{*_pnlBottom.setCentralWidget(make_unique<WContainerWidget>())};
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WBoxLayout& _lytBottom{*_cntBottom.setLayout(make_unique<WHBoxLayout>())};
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WPushButton& _btnDummy{*_lytBottom.addWidget(make_unique<WPushButton>("Dummy button just in order to avoid somebody saying the final stretch would not make sense"))};
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};
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CApplication::CApplication(const WEnvironment& rcEnv)
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: CThemedApplication{rcEnv}
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, _Server{*environment().server()}
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{
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setTitle("bug repro");
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_lytBottom.addStretch(100);
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_pnlBottom.setDisabled(true);
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// final action after creating the UI
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enableUpdates();
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}
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int main(int argc, char* argv[])
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{
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return WRun(argc, argv, [](const WEnvironment& rcEnv)
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{
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try
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{
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return make_unique<CApplication>(rcEnv);
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}
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catch (const std::exception& rcException)
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{
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cerr << "exception " << typeid(remove_cvref<decltype(rcException)>::type).name() << ": " << rcException.what() << endl;
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#if DEBUG
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exit(-1);
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#endif
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throw;
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}
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});
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}
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