include/wx/os2/menu.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        menu.h
   3 // Purpose:     wxMenu, wxMenuBar classes
   4 // Author:      AUTHOR
   5 // Modified by:
   6 // Created:     ??/??/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) AUTHOR
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_MENU_H_
  13 #define _WX_MENU_H_
  14
  15 #ifdef __GNUG__
  16 #pragma interface "menu.h"
  17 #endif
  18
  19 #include "wx/defs.h"
  20 #include "wx/event.h"
  21
  22 class WXDLLEXPORT wxMenuItem;
  23 class WXDLLEXPORT wxMenuBar;
  24 class WXDLLEXPORT wxMenu;
  25
  26 WXDLLEXPORT_DATA(extern const char*) wxEmptyString;
  27
  28 // ----------------------------------------------------------------------------
  29 // Menu
  30 // ----------------------------------------------------------------------------
  31 class WXDLLEXPORT wxMenu: public wxEvtHandler
  32 {
  33   DECLARE_DYNAMIC_CLASS(wxMenu)
  34
  35 public:
  36   // ctor & dtor
  37   wxMenu(const wxString& title = wxEmptyString, const wxFunction func = NULL);
  38   ~wxMenu();
  39
  40   // construct menu
  41     // append items to the menu
  42       // separator line
  43   void AppendSeparator();
  44       // normal item
  45   void Append(int id, const wxString& Label, const wxString& helpString = wxEmptyString,
  46               bool checkable = FALSE);
  47       // a submenu
  48   void Append(int id, const wxString& Label, wxMenu *SubMenu,
  49               const wxString& helpString = wxEmptyString);
  50       // the most generic form (create wxMenuItem first and use it's functions)
  51   void Append(wxMenuItem *pItem);
  52     // insert a break in the menu
  53   void Break();
  54     // delete an item
  55   void Delete(int id);
  56
  57   // menu item control
  58   void Enable(int id, bool Flag);
  59   bool Enabled(int id) const;
  60   inline bool IsEnabled(int id) const { return Enabled(id); };
  61   void Check(int id, bool Flag);
  62   bool Checked(int id) const;
  63   inline bool IsChecked(int id) const { return IsChecked(id); };
  64
  65   // Client data
  66   inline void SetClientData(void* clientData) { m_clientData = clientData; }
  67   inline void* GetClientData() const { return m_clientData; }
  68
  69   void      SetInvokingWindow(wxWindow *pWin) { m_pInvokingWindow = pWin; }
  70   wxWindow *GetInvokingWindow()         const { return m_pInvokingWindow; }
  71
  72   // item properties
  73     // title
  74   void SetTitle(const wxString& label);
  75   const wxString GetTitle() const;
  76     // label
  77   void SetLabel(int id, const wxString& label);
  78   wxString GetLabel(int id) const;
  79     // help string
  80   virtual void SetHelpString(int id, const wxString& helpString);
  81   virtual wxString GetHelpString(int id) const ;
  82
  83   // find item
  84     // Finds the item id matching the given string, -1 if not found.
  85   virtual int FindItem(const wxString& itemString) const ;
  86     // Find wxMenuItem by ID, and item's menu too if itemMenu is !NULL.
  87   wxMenuItem *FindItemForId(int itemId, wxMenu **itemMenu = NULL) const;
  88
  89   void ProcessCommand(wxCommandEvent& event);
  90   inline void Callback(const wxFunction func) { m_callback = func; }
  91
  92   // Updates the UI for a menu and all submenus recursively.
  93   // source is the object that has the update event handlers
  94   // defined for it. If NULL, the menu or associated window
  95   // will be used.
  96   void UpdateUI(wxEvtHandler* source = (wxEvtHandler*) NULL);
  97
  98   virtual void SetParent(wxEvtHandler *parent) { m_parent = parent; }
  99   inline void SetEventHandler(wxEvtHandler *handler) { m_eventHandler = handler; }
 100   inline wxEvtHandler *GetEventHandler() { return m_eventHandler; }
 101
 102   inline wxList& GetItems() const { return (wxList&) m_menuItems; }
 103
 104 public:
 105   wxFunction        m_callback;
 106
 107   int               m_noItems;
 108   wxString          m_title;
 109   wxMenuBar *       m_menuBar;
 110   wxList            m_menuItems;
 111   wxEvtHandler *    m_parent;
 112   wxEvtHandler *    m_eventHandler;
 113   void*             m_clientData;
 114   wxWindow*         m_pInvokingWindow;
 115 };
 116
 117 // ----------------------------------------------------------------------------
 118 // Menu Bar (a la Windows)
 119 // ----------------------------------------------------------------------------
 120 class WXDLLEXPORT wxFrame;
 121 class WXDLLEXPORT wxMenuBar: public wxEvtHandler
 122 {
 123   DECLARE_DYNAMIC_CLASS(wxMenuBar)
 124
 125   wxMenuBar();
 126   wxMenuBar(int n, wxMenu *menus[], const wxString titles[]);
 127   ~wxMenuBar();
 128
 129   void Append(wxMenu *menu, const wxString& title);
 130   // Must only be used AFTER menu has been attached to frame,
 131   // otherwise use individual menus to enable/disable items
 132   void Enable(int Id, bool Flag);
 133   bool Enabled(int Id) const ;
 134   inline bool IsEnabled(int Id) const { return Enabled(Id); };
 135   void EnableTop(int pos, bool Flag);
 136   void Check(int id, bool Flag);
 137   bool Checked(int id) const ;
 138   inline bool IsChecked(int Id) const { return Checked(Id); };
 139   void SetLabel(int id, const wxString& label) ;
 140   wxString GetLabel(int id) const ;
 141   void SetLabelTop(int pos, const wxString& label) ;
 142   wxString GetLabelTop(int pos) const ;
 143   virtual void Delete(wxMenu *menu, int index = 0); /* Menu not destroyed */
 144   virtual bool OnAppend(wxMenu *menu, const char *title);
 145   virtual bool OnDelete(wxMenu *menu, int index);
 146
 147   virtual void SetHelpString(int Id, const wxString& helpString);
 148   virtual wxString GetHelpString(int Id) const ;
 149
 150   virtual int FindMenuItem(const wxString& menuString, const wxString& itemString) const ;
 151
 152   // Find wxMenuItem for item ID, and return item's
 153   // menu too if itemMenu is non-NULL.
 154   wxMenuItem *FindItemForId(int itemId, wxMenu **menuForItem = NULL) const ;
 155
 156   inline void SetEventHandler(wxEvtHandler *handler) { m_eventHandler = handler; }
 157   inline wxEvtHandler *GetEventHandler() { return m_eventHandler; }
 158
 159   inline int GetMenuCount() const { return m_menuCount; }
 160   inline wxMenu* GetMenu(int i) const { return m_menus[i]; }
 161
 162  public:
 163   wxEvtHandler *            m_eventHandler;
 164   int                       m_menuCount;
 165   wxMenu **                 m_menus;
 166   wxString *                m_titles;
 167   wxFrame *                 m_menuBarFrame;
 168 /* TODO: data that represents the actual menubar when created.
 169  */
 170 };
 171
 172 #endif // _WX_MENU_H_