///////////////////////////////////////////////////////////////////////////// // Name: menu.h // Purpose: wxMenu, wxMenuBar classes // Author: Julian Smart // Modified by: Vadim Zeitlin (wxMenuItem is now in separate file) // Created: 01/02/97 // RCS-ID: $Id$ // Copyright: (c) Julian Smart and Markus Holzem // Licence: wxWindows license ///////////////////////////////////////////////////////////////////////////// #ifndef _WX_MENU_H_ #define _WX_MENU_H_ #ifdef __GNUG__ #pragma interface "menu.h" #endif #include "wx/defs.h" #include "wx/event.h" #include "wx/dynarray.h" class WXDLLEXPORT wxMenuItem; class WXDLLEXPORT wxMenuBar; class WXDLLEXPORT wxMenu; class WXDLLEXPORT wxFrame; WXDLLEXPORT_DATA(extern const wxChar*) wxEmptyString; // ---------------------------------------------------------------------------- // Menu // ---------------------------------------------------------------------------- class WXDLLEXPORT wxMenu : public wxEvtHandler { DECLARE_DYNAMIC_CLASS(wxMenu) public: // ctor & dtor wxMenu(const wxString& title = wxEmptyString, const wxFunction func = NULL); virtual ~wxMenu(); // construct menu // append a separator to the menu void AppendSeparator(); // append a normal item to the menu void Append(int id, const wxString& label, const wxString& helpString = wxEmptyString, bool checkable = FALSE); // append a submenu void Append(int id, const wxString& label, wxMenu *submenu, const wxString& helpString = wxEmptyString); // append anything (create wxMenuItem first) void Append(wxMenuItem *pItem); // insert a break in the menu void Break(); // delete an item // If it's a submenu, menu is not destroyed. // VZ: why? shouldn't it return "wxMenu *" then? void Delete(int id); // client data void SetClientData(void* clientData) { m_clientData = clientData; } void* GetClientData() const { return m_clientData; } // menu item control // enable/disable item void Enable(int id, bool enable); // TRUE if enabled bool IsEnabled(int id) const; // check/uncheck item - only for checkable items, of course void Check(int id, bool check); // TRUE if checked bool IsChecked(int id) const; // other properties // the menu title void SetTitle(const wxString& label); const wxString GetTitle() const; // the item label void SetLabel(int id, const wxString& label); wxString GetLabel(int id) const; // help string virtual void SetHelpString(int id, const wxString& helpString); virtual wxString GetHelpString(int id) const; // get the list of items wxList& GetItems() const { return (wxList &)m_menuItems; } // find item // returns id of the item matching the given string or wxNOT_FOUND virtual int FindItem(const wxString& itemString) const; // returns NULL if not found wxMenuItem* FindItem(int id) const { return FindItemForId(id); } // find wxMenuItem by ID, and item's menu too if itemMenu is !NULL wxMenuItem *FindItemForId(int itemId, wxMenu **itemMenu = NULL) const; // Updates the UI for a menu and all submenus recursively. source is the // object that has the update event handlers defined for it. If NULL, the // menu or associated window will be used. void UpdateUI(wxEvtHandler* source = (wxEvtHandler*)NULL); bool ProcessCommand(wxCommandEvent& event); virtual void SetParent(wxEvtHandler *parent) { m_parent = parent; } void SetEventHandler(wxEvtHandler *handler) { m_eventHandler = handler; } wxEvtHandler *GetEventHandler() const { return m_eventHandler; } // IMPLEMENTATION bool MSWCommand(WXUINT param, WXWORD id); void SetInvokingWindow(wxWindow *pWin) { m_pInvokingWindow = pWin; } wxWindow *GetInvokingWindow() const { return m_pInvokingWindow; } // semi-private accessors // get the window which contains this menu wxWindow *GetWindow() const; // get the menu handle WXHMENU GetHMenu() const; // only for wxMenuBar void Attach(wxMenuBar *menubar); void Detach(); size_t GetAccelCount() const { return m_accelKeyCodes.GetCount(); } size_t CopyAccels(wxAcceleratorEntry *accels) const; #ifdef WXWIN_COMPATIBILITY void Callback(const wxFunction func) { m_callback = func; } // compatibility: these functions are deprecated bool Enabled(int id) const { return IsEnabled(id); } bool Checked(int id) const { return IsChecked(id); } private: wxFunction m_callback; #endif // WXWIN_COMPATIBILITY private: bool m_doBreak; // This is used when m_hMenu is NULL because we don't want to // delete it in ~wxMenu (it's been added to a parent menu). // But we'll still need the handle for other purposes. // Might be better to have a flag saying whether it's deleteable or not. WXHMENU m_savehMenu ; // Used for Enable() on popup WXHMENU m_hMenu; int m_noItems; wxString m_title; wxMenu * m_topLevelMenu; wxMenuBar * m_menuBar; wxList m_menuItems; wxEvtHandler * m_parent; wxEvtHandler * m_eventHandler; wxWindow *m_pInvokingWindow; void* m_clientData; // the accelerators data wxArrayInt m_accelKeyCodes, m_accelFlags, m_accelIds; }; // ---------------------------------------------------------------------------- // Menu Bar (a la Windows) // ---------------------------------------------------------------------------- class WXDLLEXPORT wxMenuBar : public wxEvtHandler { DECLARE_DYNAMIC_CLASS(wxMenuBar) public: // ctors & dtor // default constructor wxMenuBar(); // unused under MSW wxMenuBar(long style); // menubar takes ownership of the menus arrays but copies the titles wxMenuBar(int n, wxMenu *menus[], const wxString titles[]); virtual ~wxMenuBar(); // menubar construction WXHMENU Create(); void Append(wxMenu *menu, const wxString& title); virtual void Delete(wxMenu *menu, int index = 0); /* Menu not destroyed */ // state control // NB: must only be used AFTER menu has been attached to frame, // otherwise use individual menus to enable/disable items // enable the item void Enable(int id, bool enable); // TRUE if item enabled bool IsEnabled(int id) const; // void EnableTop(int pos, bool enable); // works only with checkable items void Check(int id, bool check); // TRUE if checked bool IsChecked(int id) const; void SetLabel(int id, const wxString& label) ; wxString GetLabel(int id) const ; virtual void SetHelpString(int id, const wxString& helpString); virtual wxString GetHelpString(int id) const ; void SetLabelTop(int pos, const wxString& label) ; wxString GetLabelTop(int pos) const ; // notifications: return FALSE to prevent the menu from being // appended/deleted virtual bool OnAppend(wxMenu *menu, const char *title); virtual bool OnDelete(wxMenu *menu, int index); // item search // by menu and item names, returns wxNOT_FOUND if not found virtual int FindMenuItem(const wxString& menuString, const wxString& itemString) const; // returns NULL if not found wxMenuItem* FindItem(int id) const { return FindItemForId(id); } // returns NULL if not found, fills menuForItem if !NULL wxMenuItem *FindItemForId(int itemId, wxMenu **menuForItem = NULL) const; // submenus access int GetMenuCount() const { return m_menuCount; } wxMenu *GetMenu(int i) const { return m_menus[i]; } void SetEventHandler(wxEvtHandler *handler) { m_eventHandler = handler; } wxEvtHandler *GetEventHandler() { return m_eventHandler; } #ifdef WXWIN_COMPATIBILITY // compatibility: these functions are deprecated bool Enabled(int id) const { return IsEnabled(id); } bool Checked(int id) const { return IsChecked(id); } #endif // WXWIN_COMPATIBILITY // IMPLEMENTATION // returns TRUE if we're attached to a frame bool IsAttached() const { return m_menuBarFrame != NULL; } // get the frame we live in wxFrame *GetFrame() const { return m_menuBarFrame; } // attach to a frame void Attach(wxFrame *frame); // get the accel table for the menus const wxAcceleratorTable& GetAccelTable() const { return m_accelTable; } // get the menu handle WXHMENU GetHMenu() const { return m_hMenu; } protected: // common part of all ctors void Init(); // if the menubar is modified, the display is not updated automatically, // call this function to update it (m_menuBarFrame should be !NULL) void Refresh(); wxEvtHandler *m_eventHandler; int m_menuCount; wxMenu **m_menus; wxString *m_titles; wxFrame *m_menuBarFrame; WXHMENU m_hMenu; // the accelerator table for all accelerators in all our menus wxAcceleratorTable m_accelTable; }; #endif // _WX_MENU_H_