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 wxUSE_ACCEL
  16     #include "wx/accel.h"
  17     #include "wx/dynarray.h"
  18
  19     WX_DEFINE_EXPORTED_ARRAY_PTR(wxAcceleratorEntry *, wxAcceleratorArray);
  20 #endif // wxUSE_ACCEL
  21
  22 class WXDLLIMPEXP_FWD_CORE wxFrame;
  23
  24 #if defined(__WXWINCE__) && wxUSE_TOOLBAR
  25 class WXDLLIMPEXP_FWD_CORE wxToolBar;
  26 #endif
  27
  28
  29 // Not using a combined wxToolBar/wxMenuBar? then use
  30 // a commandbar in WinCE .NET to implement the
  31 // menubar, since there is no ::SetMenu function.
  32 #if defined(__WXWINCE__)
  33 #   if ((_WIN32_WCE >= 400) && !defined(__POCKETPC__) && !defined(__SMARTPHONE__)) || \
  34         defined(__HANDHELDPC__)
  35 #       define WINCE_WITH_COMMANDBAR
  36 #   else
  37 #       define WINCE_WITHOUT_COMMANDBAR
  38 #   endif
  39 #endif
  40
  41
  42 #include "wx/arrstr.h"
  43
  44 // ----------------------------------------------------------------------------
  45 // Menu
  46 // ----------------------------------------------------------------------------
  47
  48 class WXDLLIMPEXP_CORE wxMenu : public wxMenuBase
  49 {
  50 public:
  51     // ctors & dtor
  52     wxMenu(const wxString& title, long style = 0)
  53         : wxMenuBase(title, style) { Init(); }
  54
  55     wxMenu(long style = 0) : wxMenuBase(style) { Init(); }
  56
  57     virtual ~wxMenu();
  58
  59     virtual void Break();
  60
  61     virtual void SetTitle(const wxString& title);
  62
  63     // implementation only from now on
  64     // -------------------------------
  65
  66     virtual void Attach(wxMenuBarBase *menubar);
  67
  68     bool MSWCommand(WXUINT param, WXWORD id);
  69
  70     // semi-private accessors
  71         // get the window which contains this menu
  72     wxWindow *GetWindow() const;
  73         // get the menu handle
  74     WXHMENU GetHMenu() const { return m_hMenu; }
  75
  76 #if wxUSE_ACCEL
  77     // called by wxMenuBar to build its accel table from the accels of all menus
  78     bool HasAccels() const { return !m_accels.empty(); }
  79     size_t GetAccelCount() const { return m_accels.size(); }
  80     size_t CopyAccels(wxAcceleratorEntry *accels) const;
  81
  82     // called by wxMenuItem when its accels changes
  83     void UpdateAccel(wxMenuItem *item);
  84
  85     // helper used by wxMenu itself (returns the index in m_accels)
  86     int FindAccel(int id) const;
  87
  88     // used only by wxMDIParentFrame currently but could be useful elsewhere:
  89     // returns a new accelerator table with accelerators for just this menu
  90     // (shouldn't be called if we don't have any accelerators)
  91     wxAcceleratorTable *CreateAccelTable() const;
  92 #endif // wxUSE_ACCEL
  93
  94 protected:
  95     virtual wxMenuItem* DoAppend(wxMenuItem *item);
  96     virtual wxMenuItem* DoInsert(size_t pos, wxMenuItem *item);
  97     virtual wxMenuItem* DoRemove(wxMenuItem *item);
  98
  99 private:
 100     // common part of all ctors
 101     void Init();
 102
 103     // common part of Append/Insert (behaves as Append is pos == (size_t)-1)
 104     bool DoInsertOrAppend(wxMenuItem *item, size_t pos = (size_t)-1);
 105
 106     // terminate the current radio group, if any
 107     void EndRadioGroup();
 108
 109     // if true, insert a breal before appending the next item
 110     bool m_doBreak;
 111
 112     // the position of the first item in the current radio group or -1
 113     int m_startRadioGroup;
 114
 115     // the menu handle of this menu
 116     WXHMENU m_hMenu;
 117
 118 #if wxUSE_ACCEL
 119     // the accelerators for our menu items
 120     wxAcceleratorArray m_accels;
 121 #endif // wxUSE_ACCEL
 122
 123 #if wxUSE_OWNER_DRAWN
 124     // true if the menu has any ownerdrawn items
 125     bool m_ownerDrawn;
 126
 127     // the max width of menu items bitmaps
 128     int m_maxBitmapWidth;
 129 #endif // wxUSE_OWNER_DRAWN
 130
 131     DECLARE_DYNAMIC_CLASS_NO_COPY(wxMenu)
 132 };
 133
 134 // ----------------------------------------------------------------------------
 135 // Menu Bar (a la Windows)
 136 // ----------------------------------------------------------------------------
 137
 138 class WXDLLIMPEXP_CORE wxMenuInfo : public wxObject
 139 {
 140 public :
 141     wxMenuInfo() { m_menu = NULL; }
 142     virtual ~wxMenuInfo() { }
 143
 144     void Create( wxMenu *menu , const wxString &title )
 145     { m_menu = menu; m_title = title; }
 146     wxMenu* GetMenu() const { return m_menu; }
 147     wxString GetTitle() const { return m_title; }
 148 private :
 149     wxMenu *m_menu;
 150     wxString m_title;
 151
 152     DECLARE_DYNAMIC_CLASS(wxMenuInfo)
 153 };
 154
 155 WX_DECLARE_EXPORTED_LIST(wxMenuInfo, wxMenuInfoList );
 156
 157 class WXDLLIMPEXP_CORE wxMenuBar : public wxMenuBarBase
 158 {
 159 public:
 160     // ctors & dtor
 161         // default constructor
 162     wxMenuBar();
 163         // unused under MSW
 164     wxMenuBar(long style);
 165         // menubar takes ownership of the menus arrays but copies the titles
 166     wxMenuBar(size_t n, wxMenu *menus[], const wxString titles[], long style = 0);
 167     virtual ~wxMenuBar();
 168
 169     // menubar construction
 170     bool Append( wxMenuInfo *info ) { return Append( info->GetMenu() , info->GetTitle() ); }
 171     const wxMenuInfoList& GetMenuInfos() const;
 172
 173     virtual bool Append( wxMenu *menu, const wxString &title );
 174     virtual bool Insert(size_t pos, wxMenu *menu, const wxString& title);
 175     virtual wxMenu *Replace(size_t pos, wxMenu *menu, const wxString& title);
 176     virtual wxMenu *Remove(size_t pos);
 177
 178     virtual void EnableTop( size_t pos, bool flag );
 179     virtual void SetMenuLabel( size_t pos, const wxString& label );
 180     virtual wxString GetMenuLabel( size_t pos ) const;
 181
 182     // implementation from now on
 183     WXHMENU Create();
 184     virtual void Detach();
 185     virtual void Attach(wxFrame *frame);
 186
 187 #if defined(__WXWINCE__) && wxUSE_TOOLBAR
 188     // Under WinCE, a menubar is owned by the frame's toolbar
 189     void SetToolBar(wxToolBar* toolBar) { m_toolBar = toolBar; }
 190     wxToolBar* GetToolBar() const { return m_toolBar; }
 191 #endif
 192
 193 #ifdef WINCE_WITH_COMMANDBAR
 194     WXHWND GetCommandBar() const { return m_commandBar; }
 195     bool AddAdornments(long style);
 196 #endif
 197
 198 #if wxUSE_ACCEL
 199     // update the accel table (must be called after adding/deleting a menu)
 200     void RebuildAccelTable();
 201 #endif // wxUSE_ACCEL
 202
 203         // get the menu handle
 204     WXHMENU GetHMenu() const { return m_hMenu; }
 205
 206     // if the menubar is modified, the display is not updated automatically,
 207     // call this function to update it (m_menuBarFrame should be !NULL)
 208     void Refresh();
 209
 210     // To avoid compile warning
 211     void Refresh( bool eraseBackground,
 212                           const wxRect *rect = (const wxRect *) NULL ) { wxWindow::Refresh(eraseBackground, rect); }
 213
 214 protected:
 215     // common part of all ctors
 216     void Init();
 217
 218     wxArrayString m_titles;
 219     wxMenuInfoList m_menuInfos;
 220
 221     WXHMENU       m_hMenu;
 222
 223     // Return the MSW position for a wxMenu which is sometimes different from
 224     // the wxWidgets position.
 225     int MSWPositionForWxMenu(wxMenu *menu, int wxpos);
 226
 227 #if defined(__WXWINCE__) && wxUSE_TOOLBAR
 228     wxToolBar*  m_toolBar;
 229 #endif
 230
 231 #ifdef WINCE_WITH_COMMANDBAR
 232     WXHWND      m_commandBar;
 233     bool        m_adornmentsAdded;
 234 #endif
 235
 236 private:
 237     DECLARE_DYNAMIC_CLASS_NO_COPY(wxMenuBar)
 238 };
 239
 240 #endif // _WX_MENU_H_