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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/WCheckBox.h>
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#include <Wt/WContainerWidget.h>
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#include <Wt/WDialog.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/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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#include <ranges>
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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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void suppressBrowserContextMenu()
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{
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setHtmlAttribute("oncontextmenu", "event.cancelBubble = true; event.returnValue = false; return false;");
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}
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private:
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void triggerDialogSizeChange()
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{
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#if 0
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_Server.post(sessionId(), [this]
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{
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_Dialog.setMinimumSize(200, 150);
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triggerUpdate();
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});
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#endif
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}
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WServer& _Server; //!< The associated WServer instance, needed for async operations.
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WDialog _Dialog;
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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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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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_Dialog.show();
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triggerDialogSizeChange();
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});
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btnP.setTextFormat(TextFormat::UnsafeXHTML);
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setAccessKey(btnP, 'p');
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}, "Show <u>p</u>opup"))};
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WCheckBox& _chkVertical{*_lytRoot.addWidget(make_unique<WCheckBox>("popup orientation 'Vertical'"))};
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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>([this](auto& btnA)
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{
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btnA.clicked().connect([this]
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{
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WLineEdit& ed{*_Dialog.contents()->addNew<WLineEdit>()};
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ed.keyWentDown().connect([this, &ed](const WKeyEvent& e) { log("trace") << "ed.keyWentDown " << (int)e.key() << ' ' << (ed.hasFocus() ? "focused" : ""); });
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ed.escapePressed().connect([this] { _Dialog.reject(); });
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if (ed.isVisible()) ed.setFocus();
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});
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btnA.setTextFormat(TextFormat::UnsafeXHTML);
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setAccessKey(btnA, 'A');
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}, "<u>A</u>dd line edit to dialog"))};
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WPushButton& _btnB{*_lytBottom.addWidget(create<WPushButton>([this](auto& btnB)
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{
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btnB.clicked().connect([this] { _Dialog.setMinimumSize(300, 200); });
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btnB.setTextFormat(TextFormat::UnsafeXHTML);
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setAccessKey(btnB, 's');
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}, "<u>s</u>etMinimumSize of dialog"))};
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shared_ptr<CFixedTableModel> _mdlNarrowPtr{make_shared<CFixedTableModel>(100, 2)};
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shared_ptr<CFixedTableModel> _mdlAPtr {make_shared<CFixedTableModel>( 20, 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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Orientation _orientation{Orientation::Horizontal};
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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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_Dialog.setWindowTitle("non-modal popup");
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_Dialog.setModal(false);
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_Dialog.setClosable(true);
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_Dialog.setResizable(true);
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_Dialog.escapePressed().connect([this] { _Dialog.reject(); });
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_Dialog.shown().connect([this] { _Dialog.setFirstFocus(); });
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_Dialog.contents()->addNew<WText>("info");
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_Dialog.keyWentDown().connect([this](const WKeyEvent& e) { log("trace") << "dlg.keyWentDown " << (int)e.key() << ' ' << (_Dialog.hasFocus() ? "focused" : ""); });
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globalKeyWentDown().connect([this](const WKeyEvent& e) { log("trace") << "globalKeyWentDown " << (int)e.key(); });
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_chkVertical.changed().connect([this] { _orientation = _chkVertical.isChecked() ? Orientation::Vertical : Orientation::Horizontal; log("trace") << _chkVertical.isChecked(); });
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_chkVertical.setChecked();
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_chkVertical.changed().emit();
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_btnA.clicked().emit({});
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suppressBrowserContextMenu();
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const auto initTable = [this](WTableView& tv, const shared_ptr<CFixedTableModel>& mdlPtr)
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{
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tv.keyWentDown().connect([this, &tv](const WKeyEvent& e) { log("trace") << "tv.keyWentDown " << (int)e.key() << ' ' << (tv.hasFocus() ? "focused" : ""); });
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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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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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tv.select(index);
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if (e.modifiers() == KeyboardModifier::Control)
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{
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_Dialog.show();
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}
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_Server.post(sessionId(), [this, e]
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{
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_Dialog.positionAt(e);
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triggerDialogSizeChange();
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});
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});
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tv.keyWentDown().connect([this, &tv](const WKeyEvent& e)
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{
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if (e.key() != Key::Space) return;
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_Dialog.positionAt(tv.itemWidget(*tv.selectionModel()->selectedIndexes().cbegin()), _orientation);
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triggerDialogSizeChange();
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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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