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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/WGridLayout.h>
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#include <Wt/WHBoxLayout.h>
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#include <Wt/WMenuItem.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/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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inline void setAccessKey(WInteractWidget& widget, const char mnemonic) { widget.setAttributeValue("accesskey", string(1, tolower(mnemonic))); }
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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 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> _mnuSub{make_unique<WPopupMenu>()};
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WMenuItem& _miSub{*_mnuSub->addItem("subitem")};
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unique_ptr<WPopupMenu> _mnuContext{make_unique<WPopupMenu>()};
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WMenuItem& _miContext{*_mnuContext->addItem("context")};
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WMenuItem& _miSubmenu{[this] -> WMenuItem&
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{
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WMenuItem& item{*_mnuContext->addItem("submenu")};
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_mnuSub->aboutToHide().connect([this] { log("trace") << "_mnuSub->aboutToHide"; });
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item.setMenu(move(_mnuSub));
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return item;
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}()};
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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]
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{
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const WModelIndex index{_mdlNarrowPtr->index(42, 1)};
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setContextMenuPoppedUp(_isContextMenuPoppedUp, "btnP.clicked");
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_tvNarrow.select(index);
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setContextMenuPoppedUp(_isContextMenuPoppedUp, "btnP.clicked");
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_mnuContext->popup(_tvNarrow.itemWidget(index));
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setContextMenuPoppedUp(true, "btnP.clicked");
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});
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btnP.setTextFormat(TextFormat::UnsafeXHTML);
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setAccessKey(btnP, 'p');
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}, "<u>P</u>opup menu"))};
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WTabWidget& _tbwMain{*_lytRoot.addWidget(make_unique<WTabWidget>(), /*stretch*/ 100)};
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WMenuItem& _tabConnecting{*_tbwMain.addTab(make_unique<WText>(), "connecting...", ContentLoading::Eager)};
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WMenuItem& _tabA{*_tbwMain.addTab(make_unique<WContainerWidget>(), "A", ContentLoading::Eager)};
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WContainerWidget& _cntA{dynamic_cast<WContainerWidget&>(*_tbwMain.widget(_tbwMain.count() - 1))};
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WBoxLayout& _lytA{*_cntA.setLayout(make_unique<WHBoxLayout>())};
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WTableView& _tvNarrow{*_lytA.addWidget(make_unique<WTableView>())};
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WTableView& _tvA{*_lytA.addWidget(make_unique<WTableView>())};
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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& _btnA{*_lytBottom.addWidget(create<WPushButton>([](auto& btnA)
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{
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btnA.setTextFormat(TextFormat::UnsafeXHTML);
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setAccessKey(btnA, 'A');
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}, "Do <u>A</u>"))};
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WPushButton& _btnB{*_lytBottom.addWidget(create<WPushButton>([](auto& btnB)
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{
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btnB.setTextFormat(TextFormat::UnsafeXHTML);
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setAccessKey(btnB, 'B');
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}, "Do <u>B</u>"))};
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shared_ptr<CFixedTableModel> _mdlNarrowPtr{make_shared<CFixedTableModel>(100, 2)};
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shared_ptr<CFixedTableModel> _mdlAPtr {make_shared<CFixedTableModel>(100, 50)};
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shared_ptr<CFixedTableModel> _mdlBPtr {make_shared<CFixedTableModel>(200, 100)};
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const vector<reference_wrapper<WWidget>> _appWidgets{_tabA, _tabB, _pnlBottom};
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bool _isContextMenuPoppedUp{false};
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void setContextMenuPoppedUp(const bool value, const string& where)
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{
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log("trace") << where << ": _isContextMenuPoppedUp = " << _isContextMenuPoppedUp << "->" << value << ", _mnuContext->isVisible = " << _mnuContext->isVisible();
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_isContextMenuPoppedUp = value;
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}
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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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_mnuContext->aboutToHide().connect([this]
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{
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setContextMenuPoppedUp(false, "_mnuContext->aboutToHide");
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});
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const auto initTable = [this](WTableView& tv, const shared_ptr<CFixedTableModel>& mdlPtr)
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{
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tv.setRowHeaderCount(1);
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tv.setSelectionBehavior(SelectionBehavior::Items);
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tv.setSelectionMode(SelectionMode::Single);
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tv.setSortingEnabled(false);
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tv.setCanReceiveFocus(true);
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tv.setEditTriggers(EditTrigger::None);
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tv.setAlternatingRowColors(true);
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tv.setModel(mdlPtr);
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tv.selectionChanged().connect([this, &tv]
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{
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setContextMenuPoppedUp(_isContextMenuPoppedUp, "tv.selectionChanged");
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#if 0
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_mnuContext->hide();
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setContextMenuPoppedUp(false, "tv.selectionChanged");
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#endif
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const WModelIndexSet selectedIndexes{tv.selectionModel()->selectedIndexes()};
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switch (selectedIndexes.size())
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{
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case 0: break;
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case 1: tv.scrollTo(*selectedIndexes.cbegin()); break;
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default: throw logic_error("multi-selection unexpected");
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}
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});
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tv.select(mdlPtr->index(0, 1));
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tv.mouseWentDown().connect([&tv, this](const WModelIndex& index, const WMouseEvent& e)
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{
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if (e.button() != MouseButton::Right) return;
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setContextMenuPoppedUp(_isContextMenuPoppedUp, "tv.mouseWentDown");
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tv.select(index);
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setContextMenuPoppedUp(_isContextMenuPoppedUp, "tv.mouseWentDown");
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_mnuContext->popup(tv.itemWidget(index));
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setContextMenuPoppedUp(true, "tv.mouseWentDown");
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});
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tv.keyWentDown().connect([this](const WKeyEvent& e)
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{
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if (e.key() == Key::Escape) return;
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setContextMenuPoppedUp(_isContextMenuPoppedUp, "tv.keyWentDown");
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if (!_isContextMenuPoppedUp) return;
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_mnuContext->hide();
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setContextMenuPoppedUp(false, "tv.keyWentDown");
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});
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};
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initTable(_tvNarrow, _mdlNarrowPtr);
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initTable(_tvA, _mdlAPtr);
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initTable(_tvB, _mdlBPtr);
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_lytBottom.setContentsMargins(0, 0, 0, 0);
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_lytBottom.addStretch(100);
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_lytA.addStretch(100);
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const auto showAppWidgets{[this](const bool show) { for (WWidget& appWidget : _appWidgets) { appWidget.setHidden(!show); } }};
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showAppWidgets(false);
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_Server.schedule(300ms, sessionId(), [this, showAppWidgets = move(showAppWidgets)]
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{
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showAppWidgets(true);
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_tabConnecting.hide();
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log("trace") << "canReceiveFocus " << _tvA.canReceiveFocus(); // is true (by default)
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_tabA.setFirstFocus(); // Why doesn't this have any effect?!?
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_tvA.setFocus();
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triggerUpdate();
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});
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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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