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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  16 #pragma interface "menu.h"
  17 #endif
  18
  19 class WXDLLEXPORT wxFrame;
  20
  21 #include "wx/arrstr.h"
  22
  23 // ----------------------------------------------------------------------------
  24 // Menu
  25 // ----------------------------------------------------------------------------
  26
  27 class WXDLLEXPORT wxMenu : public wxMenuBase
  28 {
  29 public:
  30     // ctors & dtor
  31     wxMenu(const wxString& title, long style = 0)
  32         : wxMenuBase(title, style) { Init(); }
  33
  34     wxMenu(long style = 0) : wxMenuBase(style) { Init(); }
  35
  36     virtual ~wxMenu();
  37
  38     // implement base class virtuals
  39     virtual wxMenuItem* DoAppend(wxMenuItem *item);
  40     virtual wxMenuItem* DoInsert(size_t pos, wxMenuItem *item);
  41     virtual wxMenuItem* DoRemove(wxMenuItem *item);
  42     virtual void Attach(wxMenuBarBase *menubar) ;
  43
  44     virtual void Break();
  45
  46     virtual void SetTitle(const wxString& title);
  47
  48     // MSW-specific
  49     bool ProcessCommand(wxCommandEvent& event);
  50
  51     // implementation only from now on
  52     // -------------------------------
  53
  54       int    MacGetIndexFromId( int id ) ;
  55       int    MacGetIndexFromItem( wxMenuItem *pItem ) ;
  56       void MacEnableMenu( bool bDoEnable ) ;
  57       // MacOS needs to know about submenus somewhere within this menu
  58       // before it can be displayed , also hide special menu items like preferences
  59       // that are handled by the OS
  60       void  MacBeforeDisplay( bool isSubMenu ) ;
  61       // undo all changes from the MacBeforeDisplay call
  62       void  MacAfterDisplay( bool isSubMenu ) ;
  63
  64     // semi-private accessors
  65         // get the window which contains this menu
  66     wxWindow *GetWindow() const;
  67         // get the menu handle
  68     WXHMENU GetHMenu() const { return m_hMenu; }
  69
  70     short MacGetMenuId() { return m_macMenuId ; }
  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 WXDLLEXPORT 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 SetLabelTop( size_t pos, const wxString& label );
 126     virtual wxString GetLabelTop( size_t pos ) const;
 127
 128     // implementation from now on
 129     WXHMENU Create();
 130     int  FindMenu(const wxString& title);
 131     void Detach();
 132
 133         // returns TRUE if we're attached to a frame
 134     bool IsAttached() const { return m_menuBarFrame != NULL; }
 135         // get the frame we live in
 136     wxFrame *GetFrame() const { return m_menuBarFrame; }
 137         // attach to a frame
 138     void Attach(wxFrame *frame);
 139
 140         // clear the invoking window for all menus and submenus
 141     void UnsetInvokingWindow() ;
 142
 143         // set the invoking window for all menus and submenus
 144     void SetInvokingWindow( wxFrame* frame ) ;
 145
 146     // if the menubar is modified, the display is not updated automatically,
 147     // call this function to update it (m_menuBarFrame should be !NULL)
 148     void Refresh(bool eraseBackground = TRUE, const wxRect *rect = (const wxRect *) NULL);
 149
 150   void MacInstallMenuBar() ;
 151   static wxMenuBar* MacGetInstalledMenuBar() { return s_macInstalledMenuBar ; }
 152   static void MacSetCommonMenuBar(wxMenuBar* menubar) { s_macCommonMenuBar=menubar; }
 153   static wxMenuBar* MacGetCommonMenuBar() { return s_macCommonMenuBar; }
 154
 155 protected:
 156     // common part of all ctors
 157     void Init();
 158     wxWindow        *m_invokingWindow;
 159
 160     wxArrayString m_titles;
 161
 162 private:
 163   static wxMenuBar*            s_macInstalledMenuBar ;
 164   static wxMenuBar*            s_macCommonMenuBar ;
 165
 166     DECLARE_DYNAMIC_CLASS(wxMenuBar)
 167 };
 168
 169 #endif // _WX_MENU_H_