include/wx/os2/menu.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        menu.h
   3 // Purpose:     wxMenu, wxMenuBar classes
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     10/10/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) David Webster
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_MENU_H_
  13 #define _WX_MENU_H_
  14
  15 #if wxUSE_ACCEL
  16     #include "wx/accel.h"
  17     #include "wx/list.h"        // for "template" list classes
  18     #include "wx/dynarray.h"
  19
  20     WX_DEFINE_EXPORTED_ARRAY(wxAcceleratorEntry *, wxAcceleratorArray);
  21 #endif // wxUSE_ACCEL
  22
  23 class WXDLLEXPORT wxFrame;
  24
  25 void wxSetShortCutKey(wxChar* zText);
  26
  27 // ----------------------------------------------------------------------------
  28 // Menu
  29 // ----------------------------------------------------------------------------
  30
  31 class WXDLLEXPORT wxMenu : public wxMenuBase
  32 {
  33 public:
  34     //
  35     // Ctors & dtor
  36     //
  37     wxMenu( const wxString& rTitle
  38            ,long            lStyle = 0
  39           )
  40           : wxMenuBase( rTitle
  41                        ,lStyle
  42                       )
  43     {
  44         Init();
  45     }
  46
  47     wxMenu(long lStyle = 0)
  48           : wxMenuBase(lStyle)
  49     {
  50         Init();
  51     }
  52
  53     virtual ~wxMenu();
  54
  55     //
  56     // Implement base class virtuals
  57     //
  58     virtual wxMenuItem* DoAppend(wxMenuItem* pItem);
  59     virtual wxMenuItem* DoInsert( size_t      nPos
  60                                  ,wxMenuItem* pItem
  61                                 );
  62     virtual wxMenuItem* DoRemove(wxMenuItem* pItem);
  63     virtual void        Break(void);
  64     virtual void        SetTitle(const wxString& rTitle);
  65
  66     //
  67     // Implementation only from now on
  68     // -------------------------------
  69     //
  70     virtual void Attach(wxMenuBarBase* pMenubar);
  71
  72     bool OS2Command( WXUINT uParam
  73                     ,WXWORD wId
  74                    );
  75
  76     //
  77     // Semi-private accessors
  78     //
  79
  80     //
  81     // Get the window which contains this menu
  82     //
  83     wxWindow* GetWindow(void) const;
  84
  85     //
  86     // Get the menu handle
  87     //
  88     WXHMENU GetHMenu() const { return m_hMenu; }
  89
  90 #if wxUSE_ACCEL
  91     //
  92     // Called by wxMenuBar to build its accel table from the accels of all menus
  93     //
  94     bool   HasAccels(void) const { return m_vAccels.IsEmpty(); }
  95     size_t GetAccelCount(void) const { return m_vAccels.GetCount(); }
  96     size_t CopyAccels(wxAcceleratorEntry* pAccels) const;
  97
  98     //
  99     // Called by wxMenuItem when its accels changes
 100     //
 101     void UpdateAccel(wxMenuItem* pItem);
 102
 103     //
 104     // Helper used by wxMenu itself (returns the index in m_accels)
 105     //
 106     int FindAccel(int nId) const;
 107 #endif // wxUSE_ACCEL
 108     //
 109     // OS/2 specific Find
 110     //
 111     wxMenuItem* FindItem(int id, ULONG hItem, wxMenu **menu = NULL) const;
 112     //virtual function hiding suppression
 113     int FindItem(const wxString& rsString) const
 114     { return wxMenuBase::FindItem(rsString); }
 115     wxMenuItem* FindItem(int id, wxMenu **menu = NULL) const
 116     { return wxMenuBase::FindItem(id, menu); }
 117
 118     //
 119     // All OS/2PM Menu's have one of these
 120     //
 121     MENUITEM                        m_vMenuData;
 122
 123 private:
 124     //
 125     // Common part of all ctors
 126     //
 127     void Init();
 128
 129     //
 130     // Common part of Append/Insert (behaves as Append is pos == (size_t)-1)
 131     //
 132     bool DoInsertOrAppend( wxMenuItem* pItem
 133                           ,size_t      nPos = (size_t)-1
 134                          );
 135
 136     //
 137     // Terminate the current radio group, if any
 138     //
 139     void EndRadioGroup(void);
 140
 141     //
 142     // If TRUE, insert a breal before appending the next item
 143     //
 144     bool                            m_bDoBreak;
 145
 146     //
 147     // The menu handle of this menu
 148     //
 149     WXHMENU                         m_hMenu;
 150
 151     //
 152     // The helper variable for creating unique IDs.
 153     //
 154     static USHORT                   m_nextMenuId;
 155
 156     //
 157     // The position of the first item in the current radio group or -1
 158     //
 159     int                             m_nStartRadioGroup;
 160
 161 #if wxUSE_ACCEL
 162     //
 163     // The accelerators for our menu items
 164     //
 165     wxAcceleratorArray              m_vAccels;
 166 #endif // wxUSE_ACCEL
 167
 168     DECLARE_DYNAMIC_CLASS(wxMenu)
 169 }; // end of wxMenu
 170
 171 // ----------------------------------------------------------------------------
 172 // Menu Bar (a la Windows)
 173 // ----------------------------------------------------------------------------
 174
 175 class WXDLLEXPORT wxMenuBar : public wxMenuBarBase
 176 {
 177 public:
 178     //
 179     // Ctors & dtor
 180     //
 181
 182     //
 183     // Default constructor
 184     //
 185     wxMenuBar();
 186
 187     //
 188     // Unused under OS2
 189     wxMenuBar(long lStyle);
 190
 191     //
 192     // Menubar takes ownership of the menus arrays but copies the titles
 193     //
 194     wxMenuBar( int            n
 195               ,wxMenu*        vMenus[]
 196               ,const wxString sTitles[]
 197              );
 198     virtual ~wxMenuBar();
 199
 200     //
 201     // Menubar construction
 202     //
 203     virtual bool        Append( wxMenu*         pMenu
 204                                ,const wxString& rTitle
 205                               );
 206     virtual bool        Insert( size_t          nPos
 207                                ,wxMenu*         pMenu
 208                                ,const wxString& rTitle
 209                               );
 210     virtual wxMenu*     Replace( size_t          nPos
 211                                 ,wxMenu*         pMenu
 212                                 ,const wxString& rTitle
 213                                );
 214     virtual wxMenu*     Remove(size_t nPos);
 215     virtual int         FindMenuItem( const wxString& rMenuString
 216                                      ,const wxString& rItemString
 217                                     ) const;
 218     virtual wxMenuItem* FindItem( int      nId
 219                                  ,wxMenu** ppMenu = NULL
 220                                 ) const;
 221     virtual wxMenuItem* FindItem( int      nId
 222                                  ,ULONG    hItem
 223                                  ,wxMenu** ppMenu = NULL
 224                                 ) const;
 225     virtual void        EnableTop( size_t nPos
 226                                   ,bool   bFlag
 227                                  );
 228     virtual void        SetLabelTop( size_t          nPos
 229                                     ,const wxString& rLabel
 230                                    );
 231     virtual wxString    GetLabelTop(size_t nPos) const;
 232
 233     //
 234     // Implementation from now on
 235     //
 236     WXHMENU                   Create(void);
 237     virtual void              Detach(void);
 238     virtual void              Attach(wxFrame* pFrame);
 239
 240 #if wxUSE_ACCEL
 241     //
 242     // Get the accel table for all the menus
 243     //
 244     const wxAcceleratorTable& GetAccelTable(void) const { return m_vAccelTable; }
 245
 246     //
 247     // Update the accel table (must be called after adding/deletign a menu)
 248     //
 249     void                      RebuildAccelTable(void);
 250 #endif // wxUSE_ACCEL
 251
 252     //
 253     // Get the menu handle
 254     WXHMENU                   GetHMenu(void) const { return m_hMenu; }
 255
 256     //
 257     // If the menubar is modified, the display is not updated automatically,
 258     // call this function to update it (m_menuBarFrame should be !NULL)
 259     //
 260     void                      Refresh(void);
 261
 262 protected:
 263     //
 264     // Common part of all ctors
 265     //
 266     void                      Init(void);
 267
 268     wxArrayString m_titles;
 269
 270     WXHMENU                         m_hMenu;
 271
 272 #if wxUSE_ACCEL
 273     //
 274     // The accelerator table for all accelerators in all our menus
 275     //
 276     wxAcceleratorTable              m_vAccelTable;
 277 #endif // wxUSE_ACCEL
 278
 279 private:
 280     //
 281     // Virtual function hiding suppression
 282     //
 283     void                      Refresh( bool          bErase
 284                                       ,const wxRect* pRect
 285                                      )
 286     { wxWindow::Refresh(bErase, pRect); }
 287
 288     DECLARE_DYNAMIC_CLASS(wxMenuBar)
 289 };
 290
 291 #endif // _WX_MENU_H_