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#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
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#include <Wt/WAbstractTableModel.h>
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#pragma GCC diagnostic pop
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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/WDialog.h>
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#include <Wt/WEvent.h>
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#include <Wt/WGridLayout.h>
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#include <Wt/WHBoxLayout.h>
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#include <Wt/WLineEdit.h>
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#include <Wt/WMenuItem.h>
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#include <Wt/WMessageBox.h>
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#include <Wt/WPanel.h>
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#include <Wt/WPopupMenu.h>
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#include <Wt/WPushButton.h>
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#include <Wt/WSelectionBox.h>
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#include <Wt/WServer.h>
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#include <Wt/WTableView.h>
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#include <Wt/WTabWidget.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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using namespace Wt::cpp17;
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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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class CFixedTableModel : public WAbstractTableModel
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{
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public:
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CFixedTableModel(const int rowCount, const int colCount)
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: _rowCount{rowCount}
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, _colCount{colCount}
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{ }
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any headerData(const int section, const Orientation orientation, const ItemDataRole role) const
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{
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if (orientation != Orientation::Horizontal) throw invalid_argument("orientation");
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switch (role.value())
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{
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default: return {};
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case ItemDataRole::Display: return format("C{}", section);
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}
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}
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any data(const WModelIndex& index, const ItemDataRole role) const override
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{
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if (!index.isValid()) return {};
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switch (role.value())
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{
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default: return {};
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case ItemDataRole::Display: return format("{}, {}", index.row(), index.column());
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}
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}
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int columnCount(const WModelIndex& index) const override { return index.isValid() ? 0 : _colCount; }
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int rowCount (const WModelIndex& index) const override { return index.isValid() ? 0 : _rowCount; }
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const int _rowCount;
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const int _colCount;
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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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template <>
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class std::formatter<WFlags<KeyboardModifier>> : public formatter<string>
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{
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public: auto format(const WFlags<KeyboardModifier>& rcModifiers, format_context& rCtx) const
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{
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return formatter<string>::format(std::format("0x{:02x}", rcModifiers.value()), rCtx);
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}
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};
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template <>
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class std::formatter<WKeyEvent> : public formatter<string>
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{
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public: auto format(const WKeyEvent& rcKeyEvent, format_context& rCtx) const
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{
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return formatter<string>::format(std::format("{{ key: '{}' {} 0x{:02x}, modifiers: {}, charCode: '{}' {} 0x{:02x} }}"
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, static_cast<char>(rcKeyEvent.key()), static_cast<int>(rcKeyEvent.key()), static_cast<int>(rcKeyEvent.key())
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, rcKeyEvent.modifiers()
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, static_cast<char>(rcKeyEvent.charCode()), rcKeyEvent.charCode(), rcKeyEvent.charCode()
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)
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, rCtx
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);
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}
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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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static void setAccessKey(WInteractWidget& widget, const char mnemonic) { widget.setAttributeValue("accesskey", string(1, tolower(mnemonic))); }
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static void suppressBrowserContextMenu(WWidget& rWidget)
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{
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rWidget.setAttributeValue("oncontextmenu", "event.cancelBubble = true; event.returnValue = false; return false;");
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}
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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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unique_ptr<WPopupMenu> _mnuContext{make_unique<WPopupMenu>()};
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WMenuItem& _miContext{*_mnuContext->addItem("context")};
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unique_ptr<WPopupMenu> _mnuSub{make_unique<WPopupMenu>()};
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WMenuItem& _miSubLong{*_mnuSub->addItem("subitem")};
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unique_ptr<WPopupMenu> _mnuMain{make_unique<WPopupMenu>()};
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WMenuItem& _miMainItem {[this] -> WMenuItem& { WMenuItem& item{*_mnuMain->addItem("popup")}; item.clicked().connect([this] { _dlgPopup.show(); }); return item; }()};
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WMenuItem& _miMainSubmenu{[this] -> WMenuItem& { WMenuItem& item{*_mnuMain->addItem("submenu")}; item.setMenu(move(_mnuSub)); return item; }()};
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WMenu& _mainMenu{*_lytRoot.addWidget(make_unique<WMenu>())};
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WMenuItem& _miMain {[this] -> WMenuItem& { WMenuItem& item{*_mainMenu.addItem("main")}; item.setMenu(move(_mnuMain)); return item; }()};
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WLineEdit& _ed{*_lytRoot.addWidget(make_unique<WLineEdit>())};
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WPushButton& _btnPopup{*_lytRoot.addWidget(create<WPushButton>([this](auto& btnPopup)
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{
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btnPopup.clicked().connect([this]
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{
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log("trace") << "_btnPopup.clicked";
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_dlgPopup.show();
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});
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btnPopup.setTextFormat(TextFormat::UnsafeXHTML);
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setAccessKey(btnPopup, 'P');
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}, "<u>P</u>opup"))};
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WTabWidget& _tbwMain{*_lytRoot.addWidget(make_unique<WTabWidget>(), /*stretch*/ 100)};
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WMenuItem& _tabA{*_tbwMain.addTab(make_unique<WTableView>(), "A", ContentLoading::Eager)};
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WTableView& _tvA{dynamic_cast<WTableView&>(*_tbwMain.widget(_tbwMain.count() - 1))};
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WMenuItem& _tabB{*_tbwMain.addTab(make_unique<WTableView>(), "B", ContentLoading::Eager)};
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WTableView& _tvB{dynamic_cast<WTableView&>(*_tbwMain.widget(_tbwMain.count() - 1))};
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WPanel& _pnlBottom{*_lytRoot.addWidget(make_unique<WPanel>())};
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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& _btnN{*_lytBottom.addWidget(create<WPushButton>([this](auto& btnN)
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{
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btnN.setTextFormat(TextFormat::UnsafeXHTML);
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setAccessKey(btnN, 'N');
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}, "<u>N</u>"))};
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shared_ptr<CFixedTableModel> _mdlAPtr{make_shared<CFixedTableModel>(100, 50)};
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WDialog _dlgPopup{};
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WDialog _dlgNested{};
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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 " WT_VERSION_STR);
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suppressBrowserContextMenu(_cntRoot);
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suppressBrowserContextMenu(*_mnuContext);
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globalKeyWentDown().connect([this](const WKeyEvent& e)
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{
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log("trace") << format("globalKeyWentDown({})", e);
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});
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globalKeyWentUp().connect([this](const WKeyEvent& e)
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{
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log("trace") << format("globalKeyWentUp({})", e);
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});
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_lytBottom.setContentsMargins(0, 0, 0, 0);
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_lytBottom.addStretch(100);
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_Server.schedule(300ms, sessionId(), [this]
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{
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_dlgPopup.show();
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triggerUpdate();
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});
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#if 0
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_Server.schedule(3s, sessionId(), [this]
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{
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_dlgNested.show();
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triggerUpdate();
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});
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#endif
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suppressBrowserContextMenu(_dlgNested);
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_dlgNested.setClosable(false);
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_dlgNested.setResizable(true);
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_dlgNested.setWindowTitle("Nested Popup");
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_dlgNested.keyWentDown().connect([this](const WKeyEvent& e)
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{
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log("trace") << format("_dlgNested.keyWentDown({})", e);
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switch (e.key())
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{
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default: return;
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case Key::Enter:
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case Key::Escape: _dlgNested.reject();
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}
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});
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_dlgNested.footer()->hide();
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suppressBrowserContextMenu(_dlgPopup);
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_dlgPopup.setClosable(true);
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_dlgPopup.setWindowTitle("Popup (long title for wider dlg easily)");
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_dlgPopup.keyWentDown().connect([this](const WKeyEvent& e)
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{
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log("trace") << format("_dlgPopup.keyWentDown({})", e);
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switch (e.key())
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{
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default: return;
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case Key::Enter:
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case Key::Escape: _dlgPopup.reject();
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}
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});
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WVBoxLayout& lytPopup{*_dlgPopup.contents()->setLayout(make_unique<WVBoxLayout>())};
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_dlgPopup.shown().connect([&lytPopup] { lytPopup.itemAt(1)->widget()->setFocus(); });
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lytPopup.addWidget(create<WPushButton>([this](auto& btnPopupNested)
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{
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btnPopupNested.clicked().connect([this]
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{
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log("trace") << "btnPopupNested.clicked";
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_dlgNested.show();
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});
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btnPopupNested.setTextFormat(TextFormat::UnsafeXHTML);
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setAccessKey(btnPopupNested, 'N');
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}, "Popup <u>n</u>ested"));
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lytPopup.addWidget(make_unique<WLineEdit>());
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lytPopup.addWidget(make_unique<WSelectionBox>())->setModel(_mdlAPtr);
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lytPopup.addWidget(make_unique<WTableView>())->setModel(_mdlAPtr);
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const auto fTryAddKeyHandlers = []<typename TWidget>(WDialog& dlg, TWidget* const cpWidget)
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{
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if (cpWidget == nullptr)
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{
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return false;
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}
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TWidget& rWidget{*cpWidget};
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rWidget.keyWentDown().connect([&dlg] (const WKeyEvent& rcKeyEvent) { dlg.keyWentDown().emit(rcKeyEvent); });
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rWidget.keyWentUp ().connect([&dlg] (const WKeyEvent& rcKeyEvent) { if (rcKeyEvent.key() == Key::Escape) { dlg.escapePressed().emit(); } else { dlg.keyWentUp ().emit(rcKeyEvent); } });
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rWidget.keyPressed ().connect([&dlg, cpWidget](const WKeyEvent& rcKeyEvent)
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{
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switch (rcKeyEvent.key())
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{
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default:
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break;
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case Key::Escape: dlg.escapePressed().emit();
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break;
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case Key::Enter:
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{
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if (dynamic_cast<WPushButton*>(cpWidget) != nullptr)
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{
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// Let the WPushButton widget trigger the action
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}
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#if 0
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else if (WRadioButton* const cpRadioButton{dynamic_cast<WRadioButton*>(cpWidget)}; cpRadioButton != nullptr)
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{
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setChecked(*cpRadioButton);
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}
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#endif
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else
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{
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dlg.enterPressed().emit();
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}
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}
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break;
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} // switch (rcKeyEvent.key())
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});
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return true;
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};
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const auto fAddKeyHandlers = [&fTryAddKeyHandlers, this](WWidget* const cpWidget)
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{
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fTryAddKeyHandlers(_dlgPopup, dynamic_cast<WInteractWidget*>(cpWidget))
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|| fTryAddKeyHandlers(_dlgPopup, dynamic_cast<WAbstractItemView*>(cpWidget));
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};
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lytPopup.iterateWidgets(fAddKeyHandlers);
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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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