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(NO_GCC_PRAGMA)
  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     // implementation only from now on
  50     // -------------------------------
  51
  52       int    MacGetIndexFromId( int id ) ;
  53       int    MacGetIndexFromItem( wxMenuItem *pItem ) ;
  54       void MacEnableMenu( bool bDoEnable ) ;
  55       // MacOS needs to know about submenus somewhere within this menu
  56       // before it can be displayed , also hide special menu items like preferences
  57       // that are handled by the OS
  58       void  MacBeforeDisplay( bool isSubMenu ) ;
  59       // undo all changes from the MacBeforeDisplay call
  60       void  MacAfterDisplay( bool isSubMenu ) ;
  61
  62     // semi-private accessors
  63         // get the window which contains this menu
  64     wxWindow *GetWindow() const;
  65         // get the menu handle
  66     WXHMENU GetHMenu() const { return m_hMenu; }
  67
  68     short MacGetMenuId() { return m_macMenuId ; }
  69
  70 private:
  71     // common part of all ctors
  72     void Init();
  73
  74     // common part of Append/Insert (behaves as Append is pos == (size_t)-1)
  75     bool DoInsertOrAppend(wxMenuItem *item, size_t pos = (size_t)-1);
  76
  77     // terminate the current radio group, if any
  78     void EndRadioGroup();
  79
  80     // if TRUE, insert a breal before appending the next item
  81     bool m_doBreak;
  82
  83     // the position of the first item in the current radio group or -1
  84     int m_startRadioGroup;
  85
  86     // the menu handle of this menu
  87     WXHMENU m_hMenu;
  88
  89       short                m_macMenuId;
  90
  91       static short        s_macNextMenuId ;
  92
  93     DECLARE_DYNAMIC_CLASS(wxMenu)
  94 };
  95
  96 // ----------------------------------------------------------------------------
  97 // Menu Bar (a la Windows)
  98 // ----------------------------------------------------------------------------
  99
 100 class WXDLLEXPORT wxMenuBar : public wxMenuBarBase
 101 {
 102 public:
 103     // ctors & dtor
 104         // default constructor
 105     wxMenuBar();
 106         // unused under MSW
 107     wxMenuBar(long style);
 108         // menubar takes ownership of the menus arrays but copies the titles
 109     wxMenuBar(int n, wxMenu *menus[], const wxString titles[]);
 110     virtual ~wxMenuBar();
 111
 112     // menubar construction
 113     virtual bool Append( wxMenu *menu, const wxString &title );
 114     virtual bool Insert(size_t pos, wxMenu *menu, const wxString& title);
 115     virtual wxMenu *Replace(size_t pos, wxMenu *menu, const wxString& title);
 116     virtual wxMenu *Remove(size_t pos);
 117
 118     virtual int FindMenuItem(const wxString& menuString,
 119                              const wxString& itemString) const;
 120     virtual wxMenuItem* FindItem( int id, wxMenu **menu = NULL ) const;
 121
 122     virtual void EnableTop( size_t pos, bool flag );
 123     virtual void SetLabelTop( size_t pos, const wxString& label );
 124     virtual wxString GetLabelTop( size_t pos ) const;
 125
 126     // compatibility: these functions are deprecated
 127 #if WXWIN_COMPATIBILITY
 128     void SetEventHandler(wxEvtHandler *handler) { m_eventHandler = handler; }
 129     wxEvtHandler *GetEventHandler() { return m_eventHandler; }
 130
 131     bool Enabled(int id) const { return IsEnabled(id); }
 132     bool Checked(int id) const { return IsChecked(id); }
 133 #endif // WXWIN_COMPATIBILITY
 134
 135     // implementation from now on
 136     WXHMENU Create();
 137     int  FindMenu(const wxString& title);
 138     void Detach();
 139
 140         // returns TRUE if we're attached to a frame
 141     bool IsAttached() const { return m_menuBarFrame != NULL; }
 142         // get the frame we live in
 143     wxFrame *GetFrame() const { return m_menuBarFrame; }
 144         // attach to a frame
 145     void Attach(wxFrame *frame);
 146
 147         // clear the invoking window for all menus and submenus
 148     void UnsetInvokingWindow() ;
 149
 150         // set the invoking window for all menus and submenus
 151     void SetInvokingWindow( wxFrame* frame ) ;
 152
 153     // if the menubar is modified, the display is not updated automatically,
 154     // call this function to update it (m_menuBarFrame should be !NULL)
 155     void Refresh(bool eraseBackground = TRUE, const wxRect *rect = (const wxRect *) NULL);
 156
 157   void MacInstallMenuBar() ;
 158   static wxMenuBar* MacGetInstalledMenuBar() { return s_macInstalledMenuBar ; }
 159   static void MacSetCommonMenuBar(wxMenuBar* menubar) { s_macCommonMenuBar=menubar; }
 160   static wxMenuBar* MacGetCommonMenuBar() { return s_macCommonMenuBar; }
 161
 162 protected:
 163     // common part of all ctors
 164     void Init();
 165     wxWindow        *m_invokingWindow;
 166
 167 #if WXWIN_COMPATIBILITY
 168     wxEvtHandler *m_eventHandler;
 169 #endif // WXWIN_COMPATIBILITY
 170
 171     wxArrayString m_titles;
 172
 173 private:
 174   static wxMenuBar*            s_macInstalledMenuBar ;
 175   static wxMenuBar*            s_macCommonMenuBar ;
 176
 177     DECLARE_DYNAMIC_CLASS(wxMenuBar)
 178 };
 179
 180 #endif // _WX_MENU_H_