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