include/wx/mac/menu.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        menu.h
   3 // Purpose:     wxMenu, wxMenuBar classes
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_MENU_H_
  13 #define _WX_MENU_H_
  14
  15 #if defined(__GNUG__) && !defined(__APPLE__)
  16 #pragma interface "menu.h"
  17 #endif
  18
  19 class WXDLLEXPORT wxFrame;
  20
  21 // ----------------------------------------------------------------------------
  22 // Menu
  23 // ----------------------------------------------------------------------------
  24
  25 class WXDLLEXPORT wxMenu : public wxMenuBase
  26 {
  27 public:
  28     // ctors & dtor
  29     wxMenu(const wxString& title, long style = 0)
  30         : wxMenuBase(title, style) { Init(); }
  31
  32     wxMenu(long style = 0) : wxMenuBase(style) { Init(); }
  33
  34     virtual ~wxMenu();
  35
  36     // implement base class virtuals
  37     virtual bool DoAppend(wxMenuItem *item);
  38     virtual bool DoInsert(size_t pos, wxMenuItem *item);
  39     virtual wxMenuItem *DoRemove(wxMenuItem *item);
  40     virtual void Attach(wxMenuBarBase *menubar) ;
  41
  42     virtual void Break();
  43
  44     virtual void SetTitle(const wxString& title);
  45
  46     // MSW-specific
  47     bool ProcessCommand(wxCommandEvent& event);
  48
  49 #if WXWIN_COMPATIBILITY
  50     wxMenu(const wxString& title, const wxFunction func)
  51         : wxMenuBase(title)
  52     {
  53         Callback(func);
  54     }
  55 #endif // WXWIN_COMPATIBILITY
  56
  57     // implementation only from now on
  58     // -------------------------------
  59
  60       int    MacGetIndexFromId( int id ) ;
  61       int    MacGetIndexFromItem( wxMenuItem *pItem ) ;
  62       void MacEnableMenu( bool bDoEnable ) ;
  63       // MacOS needs to know about submenus somewhere within this menu
  64       // before it can be displayed , also hide special menu items like preferences
  65       // that are handled by the OS
  66       void  MacBeforeDisplay( bool isSubMenu ) ;
  67       // undo all changes from the MacBeforeDisplay call
  68       void  MacAfterDisplay( bool isSubMenu ) ;
  69
  70     // semi-private accessors
  71         // get the window which contains this menu
  72     wxWindow *GetWindow() const;
  73         // get the menu handle
  74     WXHMENU GetHMenu() const { return m_hMenu; }
  75
  76     short MacGetMenuId() { return m_macMenuId ; }
  77
  78 private:
  79     // common part of all ctors
  80     void Init();
  81
  82     // common part of Append/Insert (behaves as Append is pos == (size_t)-1)
  83     bool DoInsertOrAppend(wxMenuItem *item, size_t pos = (size_t)-1);
  84
  85     // terminate the current radio group, if any
  86     void EndRadioGroup();
  87
  88     // if TRUE, insert a breal before appending the next item
  89     bool m_doBreak;
  90
  91     // the position of the first item in the current radio group or -1
  92     int m_startRadioGroup;
  93
  94     // the menu handle of this menu
  95     WXHMENU m_hMenu;
  96
  97       short                m_macMenuId;
  98
  99       static short        s_macNextMenuId ;
 100
 101     DECLARE_DYNAMIC_CLASS(wxMenu)
 102 };
 103
 104 // ----------------------------------------------------------------------------
 105 // Menu Bar (a la Windows)
 106 // ----------------------------------------------------------------------------
 107
 108 class WXDLLEXPORT wxMenuBar : public wxMenuBarBase
 109 {
 110 public:
 111     // ctors & dtor
 112         // default constructor
 113     wxMenuBar();
 114         // unused under MSW
 115     wxMenuBar(long style);
 116         // menubar takes ownership of the menus arrays but copies the titles
 117     wxMenuBar(int n, wxMenu *menus[], const wxString titles[]);
 118     virtual ~wxMenuBar();
 119
 120     // menubar construction
 121     virtual bool Append( wxMenu *menu, const wxString &title );
 122     virtual bool Insert(size_t pos, wxMenu *menu, const wxString& title);
 123     virtual wxMenu *Replace(size_t pos, wxMenu *menu, const wxString& title);
 124     virtual wxMenu *Remove(size_t pos);
 125
 126     virtual int FindMenuItem(const wxString& menuString,
 127                              const wxString& itemString) const;
 128     virtual wxMenuItem* FindItem( int id, wxMenu **menu = NULL ) const;
 129
 130     virtual void EnableTop( size_t pos, bool flag );
 131     virtual void SetLabelTop( size_t pos, const wxString& label );
 132     virtual wxString GetLabelTop( size_t pos ) const;
 133
 134     // compatibility: these functions are deprecated
 135 #if WXWIN_COMPATIBILITY
 136     void SetEventHandler(wxEvtHandler *handler) { m_eventHandler = handler; }
 137     wxEvtHandler *GetEventHandler() { return m_eventHandler; }
 138
 139     bool Enabled(int id) const { return IsEnabled(id); }
 140     bool Checked(int id) const { return IsChecked(id); }
 141 #endif // WXWIN_COMPATIBILITY
 142
 143     // implementation from now on
 144     WXHMENU Create();
 145     int  FindMenu(const wxString& title);
 146     void Detach();
 147
 148         // returns TRUE if we're attached to a frame
 149     bool IsAttached() const { return m_menuBarFrame != NULL; }
 150         // get the frame we live in
 151     wxFrame *GetFrame() const { return m_menuBarFrame; }
 152         // attach to a frame
 153     void Attach(wxFrame *frame);
 154
 155         // clear the invoking window for all menus and submenus
 156     void UnsetInvokingWindow() ;
 157
 158         // set the invoking window for all menus and submenus
 159     void SetInvokingWindow( wxFrame* frame ) ;
 160
 161     // if the menubar is modified, the display is not updated automatically,
 162     // call this function to update it (m_menuBarFrame should be !NULL)
 163     void Refresh(bool eraseBackground = TRUE, const wxRect *rect = (const wxRect *) NULL);
 164
 165   void MacInstallMenuBar() ;
 166   static wxMenuBar* MacGetInstalledMenuBar() { return s_macInstalledMenuBar ; }
 167
 168 protected:
 169     // common part of all ctors
 170     void Init();
 171     wxWindow        *m_invokingWindow;
 172
 173 #if WXWIN_COMPATIBILITY
 174     wxEvtHandler *m_eventHandler;
 175 #endif // WXWIN_COMPATIBILITY
 176
 177     wxArrayString m_titles;
 178
 179 private:
 180   static wxMenuBar*            s_macInstalledMenuBar ;
 181
 182     DECLARE_DYNAMIC_CLASS(wxMenuBar)
 183 };
 184
 185 #endif // _WX_MENU_H_