include/wx/mac/carbon/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 class WXDLLIMPEXP_FWD_CORE wxFrame;
  16
  17 #include "wx/arrstr.h"
  18
  19 // ----------------------------------------------------------------------------
  20 // Menu
  21 // ----------------------------------------------------------------------------
  22
  23 class WXDLLIMPEXP_CORE wxMenu : public wxMenuBase
  24 {
  25 public:
  26     // ctors & dtor
  27     wxMenu(const wxString& title, long style = 0)
  28         : wxMenuBase(title, style) { Init(); }
  29
  30     wxMenu(long style = 0) : wxMenuBase(style) { Init(); }
  31
  32     virtual ~wxMenu();
  33
  34     virtual void Attach(wxMenuBarBase *menubar) ;
  35
  36     virtual void Break();
  37
  38     virtual void SetTitle(const wxString& title);
  39
  40     // MSW-specific
  41     bool ProcessCommand(wxCommandEvent& event);
  42
  43     // implementation only from now on
  44     // -------------------------------
  45
  46       int    MacGetIndexFromId( int id ) ;
  47       int    MacGetIndexFromItem( wxMenuItem *pItem ) ;
  48       void MacEnableMenu( bool bDoEnable ) ;
  49       // MacOS needs to know about submenus somewhere within this menu
  50       // before it can be displayed , also hide special menu items like preferences
  51       // that are handled by the OS
  52       void  MacBeforeDisplay( bool isSubMenu ) ;
  53       // undo all changes from the MacBeforeDisplay call
  54       void  MacAfterDisplay( bool isSubMenu ) ;
  55
  56     // semi-private accessors
  57         // get the window which contains this menu
  58     wxWindow *GetWindow() const;
  59         // get the menu handle
  60     WXHMENU GetHMenu() const { return m_hMenu; }
  61
  62     short MacGetMenuId() { return m_macMenuId ; }
  63
  64     wxInt32 MacHandleCommandProcess( wxMenuItem* item, int id, wxWindow* targetWindow = NULL );
  65     wxInt32 MacHandleCommandUpdateStatus( wxMenuItem* item, int id, wxWindow* targetWindow = NULL);
  66
  67 protected:
  68     virtual wxMenuItem* DoAppend(wxMenuItem *item);
  69     virtual wxMenuItem* DoInsert(size_t pos, wxMenuItem *item);
  70     virtual wxMenuItem* DoRemove(wxMenuItem *item);
  71
  72 private:
  73     // common part of all ctors
  74     void Init();
  75
  76     // common part of Append/Insert (behaves as Append is pos == (size_t)-1)
  77     bool DoInsertOrAppend(wxMenuItem *item, size_t pos = (size_t)-1);
  78
  79     // terminate the current radio group, if any
  80     void EndRadioGroup();
  81
  82     // if TRUE, insert a breal before appending the next item
  83     bool m_doBreak;
  84
  85     // the position of the first item in the current radio group or -1
  86     int m_startRadioGroup;
  87
  88     // the menu handle of this menu
  89     WXHMENU m_hMenu;
  90
  91       short                m_macMenuId;
  92
  93       static short        s_macNextMenuId ;
  94
  95     DECLARE_DYNAMIC_CLASS(wxMenu)
  96 };
  97
  98 // ----------------------------------------------------------------------------
  99 // Menu Bar (a la Windows)
 100 // ----------------------------------------------------------------------------
 101
 102 class WXDLLIMPEXP_CORE wxMenuBar : public wxMenuBarBase
 103 {
 104 public:
 105     // ctors & dtor
 106         // default constructor
 107     wxMenuBar();
 108         // unused under MSW
 109     wxMenuBar(long style);
 110         // menubar takes ownership of the menus arrays but copies the titles
 111     wxMenuBar(size_t n, wxMenu *menus[], const wxString titles[], long style = 0);
 112     virtual ~wxMenuBar();
 113
 114     // menubar construction
 115     virtual bool Append( wxMenu *menu, const wxString &title );
 116     virtual bool Insert(size_t pos, wxMenu *menu, const wxString& title);
 117     virtual wxMenu *Replace(size_t pos, wxMenu *menu, const wxString& title);
 118     virtual wxMenu *Remove(size_t pos);
 119
 120     virtual int FindMenuItem(const wxString& menuString,
 121                              const wxString& itemString) const;
 122     virtual wxMenuItem* FindItem( int id, wxMenu **menu = NULL ) const;
 123
 124     virtual void EnableTop( size_t pos, bool flag );
 125     virtual void SetMenuLabel( size_t pos, const wxString& label );
 126     virtual wxString GetMenuLabel( size_t pos ) const;
 127     virtual bool Enable( bool enable = TRUE );
 128     // for virtual function hiding
 129     virtual void Enable( int itemid, bool enable )
 130     {
 131         wxMenuBarBase::Enable( itemid, enable );
 132     }
 133
 134     // implementation from now on
 135     WXHMENU Create();
 136     int  FindMenu(const wxString& title);
 137     void Detach();
 138
 139         // returns TRUE if we're attached to a frame
 140     bool IsAttached() const { return m_menuBarFrame != NULL; }
 141         // get the frame we live in
 142     wxFrame *GetFrame() const { return m_menuBarFrame; }
 143         // attach to a frame
 144     void Attach(wxFrame *frame);
 145
 146         // clear the invoking window for all menus and submenus
 147     void UnsetInvokingWindow() ;
 148
 149         // set the invoking window for all menus and submenus
 150     void SetInvokingWindow( wxFrame* frame ) ;
 151
 152     // if the menubar is modified, the display is not updated automatically,
 153     // call this function to update it (m_menuBarFrame should be !NULL)
 154     void Refresh(bool eraseBackground = TRUE, const wxRect *rect = (const wxRect *) NULL);
 155
 156     static void SetAutoWindowMenu( bool enable ) { s_macAutoWindowMenu = enable ; }
 157     static bool GetAutoWindowMenu() { return s_macAutoWindowMenu ; }
 158
 159     void MacInstallMenuBar() ;
 160     static wxMenuBar* MacGetInstalledMenuBar() { return s_macInstalledMenuBar ; }
 161     static void MacSetCommonMenuBar(wxMenuBar* menubar) { s_macCommonMenuBar=menubar; }
 162     static wxMenuBar* MacGetCommonMenuBar() { return s_macCommonMenuBar; }
 163
 164
 165     static WXHMENU MacGetWindowMenuHMenu() { return s_macWindowMenuHandle ; }
 166 protected:
 167     // common part of all ctors
 168     void Init();
 169     wxWindow        *m_invokingWindow;
 170
 171     wxArrayString   m_titles;
 172     static bool     s_macAutoWindowMenu ;
 173     static WXHMENU  s_macWindowMenuHandle ;
 174
 175 private:
 176   static wxMenuBar*            s_macInstalledMenuBar ;
 177   static wxMenuBar*            s_macCommonMenuBar ;
 178
 179     DECLARE_DYNAMIC_CLASS(wxMenuBar)
 180 };
 181
 182 #endif // _WX_MENU_H_