include/wx/msw/menu.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/msw/menu.h
   3 // Purpose:     wxMenu, wxMenuBar classes
   4 // Author:      Julian Smart
   5 // Modified by: Vadim Zeitlin (wxMenuItem is now in separate file)
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   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 #if wxUSE_ACCEL
  20     #include "wx/accel.h"
  21     #include "wx/dynarray.h"
  22
  23     WX_DEFINE_EXPORTED_ARRAY_PTR(wxAcceleratorEntry *, wxAcceleratorArray);
  24 #endif // wxUSE_ACCEL
  25
  26 class WXDLLEXPORT wxFrame;
  27
  28 #if defined(__WXWINCE__) && wxUSE_TOOLBAR
  29 class WXDLLEXPORT wxToolBar;
  30 #endif
  31
  32
  33 // Not using a combined wxToolBar/wxMenuBar? then use
  34 // a commandbar in WinCE .NET to implement the
  35 // menubar, since there is no ::SetMenu function.
  36 #if defined(__WXWINCE__)
  37 #   if ((_WIN32_WCE >= 400) && !defined(__POCKETPC__) && !defined(__SMARTPHONE__)) || \
  38         defined(__HANDHELDPC__)
  39 #       define WINCE_WITH_COMMANDBAR
  40 #   else
  41 #       define WINCE_WITHOUT_COMMANDBAR
  42 #   endif
  43 #endif
  44
  45
  46 #include "wx/arrstr.h"
  47
  48 // ----------------------------------------------------------------------------
  49 // Menu
  50 // ----------------------------------------------------------------------------
  51
  52 class WXDLLEXPORT wxMenu : public wxMenuBase
  53 {
  54 public:
  55     // ctors & dtor
  56     wxMenu(const wxString& title, long style = 0)
  57         : wxMenuBase(title, style) { Init(); }
  58
  59     wxMenu(long style = 0) : wxMenuBase(style) { Init(); }
  60
  61     virtual ~wxMenu();
  62
  63     // implement base class virtuals
  64     virtual wxMenuItem* DoAppend(wxMenuItem *item);
  65     virtual wxMenuItem* DoInsert(size_t pos, wxMenuItem *item);
  66     virtual wxMenuItem* DoRemove(wxMenuItem *item);
  67
  68     virtual void Break();
  69
  70     virtual void SetTitle(const wxString& title);
  71
  72     // deprecated functions
  73 #if wxUSE_MENU_CALLBACK
  74     wxMenu(const wxString& title, const wxFunction func)
  75         : wxMenuBase(title)
  76     {
  77         Init();
  78
  79         Callback(func);
  80     }
  81 #endif // wxUSE_MENU_CALLBACK
  82
  83     // implementation only from now on
  84     // -------------------------------
  85
  86     virtual void Attach(wxMenuBarBase *menubar);
  87
  88     bool MSWCommand(WXUINT param, WXWORD id);
  89
  90     // semi-private accessors
  91         // get the window which contains this menu
  92     wxWindow *GetWindow() const;
  93         // get the menu handle
  94     WXHMENU GetHMenu() const { return m_hMenu; }
  95
  96 #if wxUSE_ACCEL
  97     // called by wxMenuBar to build its accel table from the accels of all menus
  98     bool HasAccels() const { return !m_accels.IsEmpty(); }
  99     size_t GetAccelCount() const { return m_accels.GetCount(); }
 100     size_t CopyAccels(wxAcceleratorEntry *accels) const;
 101
 102     // called by wxMenuItem when its accels changes
 103     void UpdateAccel(wxMenuItem *item);
 104
 105     // helper used by wxMenu itself (returns the index in m_accels)
 106     int FindAccel(int id) const;
 107 #endif // wxUSE_ACCEL
 108
 109 private:
 110     // common part of all ctors
 111     void Init();
 112
 113     // common part of Append/Insert (behaves as Append is pos == (size_t)-1)
 114     bool DoInsertOrAppend(wxMenuItem *item, size_t pos = (size_t)-1);
 115
 116     // terminate the current radio group, if any
 117     void EndRadioGroup();
 118
 119     // if true, insert a breal before appending the next item
 120     bool m_doBreak;
 121
 122     // the position of the first item in the current radio group or -1
 123     int m_startRadioGroup;
 124
 125     // the menu handle of this menu
 126     WXHMENU m_hMenu;
 127
 128 #if wxUSE_ACCEL
 129     // the accelerators for our menu items
 130     wxAcceleratorArray m_accels;
 131 #endif // wxUSE_ACCEL
 132
 133     DECLARE_DYNAMIC_CLASS_NO_COPY(wxMenu)
 134 };
 135
 136 // ----------------------------------------------------------------------------
 137 // Menu Bar (a la Windows)
 138 // ----------------------------------------------------------------------------
 139
 140 class WXDLLEXPORT wxMenuInfo : public wxObject
 141 {
 142 public :
 143     wxMenuInfo() { m_menu = NULL; }
 144     virtual ~wxMenuInfo() { }
 145
 146     void Create( wxMenu *menu , const wxString &title )
 147     { m_menu = menu; m_title = title; }
 148     wxMenu* GetMenu() const { return m_menu; }
 149     wxString GetTitle() const { return m_title; }
 150 private :
 151     wxMenu *m_menu;
 152     wxString m_title;
 153
 154     DECLARE_DYNAMIC_CLASS(wxMenuInfo)
 155 };
 156
 157 WX_DECLARE_EXPORTED_LIST(wxMenuInfo, wxMenuInfoList );
 158
 159 class WXDLLEXPORT wxMenuBar : public wxMenuBarBase
 160 {
 161 public:
 162     // ctors & dtor
 163         // default constructor
 164     wxMenuBar();
 165         // unused under MSW
 166     wxMenuBar(long style);
 167         // menubar takes ownership of the menus arrays but copies the titles
 168     wxMenuBar(size_t n, wxMenu *menus[], const wxString titles[], long style = 0);
 169     virtual ~wxMenuBar();
 170
 171     // menubar construction
 172     bool Append( wxMenuInfo *info ) { return Append( info->GetMenu() , info->GetTitle() ); }
 173     const wxMenuInfoList& GetMenuInfos() const;
 174
 175     virtual bool Append( wxMenu *menu, const wxString &title );
 176     virtual bool Insert(size_t pos, wxMenu *menu, const wxString& title);
 177     virtual wxMenu *Replace(size_t pos, wxMenu *menu, const wxString& title);
 178     virtual wxMenu *Remove(size_t pos);
 179
 180     virtual void EnableTop( size_t pos, bool flag );
 181     virtual void SetLabelTop( size_t pos, const wxString& label );
 182     virtual wxString GetLabelTop( size_t pos ) const;
 183
 184     // implementation from now on
 185     WXHMENU Create();
 186     virtual void Detach();
 187     virtual void Attach(wxFrame *frame);
 188
 189 #if defined(__WXWINCE__) && wxUSE_TOOLBAR
 190     // Under WinCE, a menubar is owned by the frame's toolbar
 191     void SetToolBar(wxToolBar* toolBar) { m_toolBar = toolBar; }
 192     wxToolBar* GetToolBar() const { return m_toolBar; }
 193 #endif
 194
 195 #ifdef WINCE_WITH_COMMANDBAR
 196     WXHWND GetCommandBar() const { return m_commandBar; }
 197     bool AddAdornments(long style);
 198 #endif
 199
 200 #if wxUSE_ACCEL
 201     // get the accel table for all the menus
 202     const wxAcceleratorTable& GetAccelTable() const { return m_accelTable; }
 203
 204     // update the accel table (must be called after adding/deletign a menu)
 205     void RebuildAccelTable();
 206 #endif // wxUSE_ACCEL
 207
 208         // get the menu handle
 209     WXHMENU GetHMenu() const { return m_hMenu; }
 210
 211     // if the menubar is modified, the display is not updated automatically,
 212     // call this function to update it (m_menuBarFrame should be !NULL)
 213     void Refresh();
 214
 215     // To avoid compile warning
 216     void Refresh( bool eraseBackground,
 217                           const wxRect *rect = (const wxRect *) NULL ) { wxWindow::Refresh(eraseBackground, rect); }
 218
 219 protected:
 220     // common part of all ctors
 221     void Init();
 222
 223     wxArrayString m_titles;
 224     wxMenuInfoList m_menuInfos;
 225
 226     WXHMENU       m_hMenu;
 227
 228     // Return the MSW position for a wxMenu which is sometimes different from
 229     // the wxWidgets position.
 230     int MSWPositionForWxMenu(wxMenu *menu, int wxpos);
 231 #if wxUSE_ACCEL
 232     // the accelerator table for all accelerators in all our menus
 233     wxAcceleratorTable m_accelTable;
 234 #endif // wxUSE_ACCEL
 235
 236 #if defined(__WXWINCE__) && wxUSE_TOOLBAR
 237     wxToolBar*  m_toolBar;
 238 #endif
 239
 240 #ifdef WINCE_WITH_COMMANDBAR
 241     WXHWND      m_commandBar;
 242     bool        m_adornmentsAdded;
 243 #endif
 244
 245 private:
 246     DECLARE_DYNAMIC_CLASS_NO_COPY(wxMenuBar)
 247 };
 248
 249 #endif // _WX_MENU_H_