95 lines
2.8 KiB
C++
95 lines
2.8 KiB
C++
#pragma once
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template <typename T>
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// This class exists to record the needed to unbind a drop down menu action and delete
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// the corresponding item from the drop down menu when the handler is destroyed.
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// (Because the handler is a method of an object that is about to be destroyed.)
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// Also avoids the need for manually creating a new windowid to link each additional bind
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// to each menu item, thus avoids the likelihood of mismatching binds and menu entries.
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class MenuLink {
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typedef void (T::* method_handler)(wxCommandEvent&);
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// (thing.*p)(args) is how you use a pointer to method
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T* m_handler = nullptr;
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method_handler m_method;
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int m_winid;
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wxMenu* m_menu = nullptr;
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wxMenuItem* m_menuItem = nullptr;
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public:
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MenuLink() = delete;
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MenuLink(const MenuLink&) = default;
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MenuLink(const MenuLink&&) = delete;
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MenuLink& operator=(const MenuLink&) = delete;
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MenuLink& operator=(MenuLink&) = delete;
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MenuLink(T* handler, method_handler method) :
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m_handler(handler), m_method{ method }, m_winid{ wxWindow::NewControlId() }{}
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MenuLink(T* handler, method_handler method, MyIDs winid) :
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m_handler(handler), m_method{ method }, m_winid{ winid } {}
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~MenuLink() {
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if (m_menu != nullptr) {
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m_menu->Unbind(wxEVT_MENU, m_method, m_handler, m_winid);
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m_menu->Destroy(m_menuItem);
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}
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}
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wxMenuItem* Insert(
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wxMenu* menu,
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size_t pos,
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const wxString& item,
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const wxString& help = wxEmptyString
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) {
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if (m_menu == nullptr) m_menu = menu;
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else {
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assert(false);
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throw MyException("Reinsertion of menu item");
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}
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m_menuItem = menu->Insert(pos, m_winid, item, help);
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menu->Bind(wxEVT_MENU, m_method, m_handler, m_winid);
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return m_menuItem;
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}
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void queue_event() {
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if (m_menu != nullptr) {
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auto event = new wxCommandEvent(wxEVT_MENU, m_winid);
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wxQueueEvent(m_menu, event);
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}
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else {
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assert(false);
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throw MyException("Event sent to uninitialized Menu item");
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}
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}
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};
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class Frame : public wxFrame
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{
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public:
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wxLogWindow*m_pLogWindow{ nullptr };
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std::unique_ptr<wxLogNull>m_pLogNull{ nullptr };
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Frame(wxString);
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~Frame();
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wxFileName m_LastUsedSqlite;
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wxPanel* m_panel{nullptr}; //The once current child panel.
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private:
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typedef MenuLink<Frame> MenuLink;
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void StorePositionToConfig(void);
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void RestorePositionFromConfig(const wxSize&);
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void OnExit(wxCommandEvent&);
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void OnAbout(wxCommandEvent&);
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void OnDeleteConfiguration(wxCommandEvent&);
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void OnMyCloseMPanel(wxCommandEvent&);
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public:
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void OnSaveNew(wxCommandEvent&);
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void NewWallet(wxFileName&, ristretto255::hash<256>&);
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void RecreateWalletFromExistingSecret(wxCommandEvent&);
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void OnFileOpen(wxCommandEvent&);
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void OnClose(wxCloseEvent& event);
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private:
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void OnMenuOpen(wxMenuEvent&);
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public:
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void OnFirstUse(wxCommandEvent&);
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public:
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// MenuLink menu_OnFirstUse =
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// MenuLink(&Frame::OnFirstUse, myID_WELCOME_TO_ROCOIN);
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};
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extern Frame* singletonFrame;
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