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_NO_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 #include "wx/arrstr.h"
  33
  34 // ----------------------------------------------------------------------------
  35 // Menu
  36 // ----------------------------------------------------------------------------
  37
  38 class WXDLLEXPORT wxMenu : public wxMenuBase
  39 {
  40 public:
  41     // ctors & dtor
  42     wxMenu(const wxString& title, long style = 0)
  43         : wxMenuBase(title, style) { Init(); }
  44
  45     wxMenu(long style = 0) : wxMenuBase(style) { Init(); }
  46
  47     virtual ~wxMenu();
  48
  49     // implement base class virtuals
  50     virtual bool DoAppend(wxMenuItem *item);
  51     virtual bool DoInsert(size_t pos, wxMenuItem *item);
  52     virtual wxMenuItem *DoRemove(wxMenuItem *item);
  53
  54     virtual void Break();
  55
  56     virtual void SetTitle(const wxString& title);
  57
  58     // deprecated functions
  59 #if wxUSE_MENU_CALLBACK
  60     wxMenu(const wxString& title, const wxFunction func)
  61         : wxMenuBase(title)
  62     {
  63         Init();
  64
  65         Callback(func);
  66     }
  67 #endif // wxUSE_MENU_CALLBACK
  68
  69     // implementation only from now on
  70     // -------------------------------
  71
  72     virtual void Attach(wxMenuBarBase *menubar);
  73
  74     bool MSWCommand(WXUINT param, WXWORD id);
  75
  76     // semi-private accessors
  77         // get the window which contains this menu
  78     wxWindow *GetWindow() const;
  79         // get the menu handle
  80     WXHMENU GetHMenu() const { return m_hMenu; }
  81
  82 #if wxUSE_ACCEL
  83     // called by wxMenuBar to build its accel table from the accels of all menus
  84     bool HasAccels() const { return !m_accels.IsEmpty(); }
  85     size_t GetAccelCount() const { return m_accels.GetCount(); }
  86     size_t CopyAccels(wxAcceleratorEntry *accels) const;
  87
  88     // called by wxMenuItem when its accels changes
  89     void UpdateAccel(wxMenuItem *item);
  90
  91     // helper used by wxMenu itself (returns the index in m_accels)
  92     int FindAccel(int id) const;
  93 #endif // wxUSE_ACCEL
  94
  95 private:
  96     // common part of all ctors
  97     void Init();
  98
  99     // common part of Append/Insert (behaves as Append is pos == (size_t)-1)
 100     bool DoInsertOrAppend(wxMenuItem *item, size_t pos = (size_t)-1);
 101
 102     // terminate the current radio group, if any
 103     void EndRadioGroup();
 104
 105     // if TRUE, insert a breal before appending the next item
 106     bool m_doBreak;
 107
 108     // the position of the first item in the current radio group or -1
 109     int m_startRadioGroup;
 110
 111     // the menu handle of this menu
 112     WXHMENU m_hMenu;
 113
 114 #if wxUSE_ACCEL
 115     // the accelerators for our menu items
 116     wxAcceleratorArray m_accels;
 117 #endif // wxUSE_ACCEL
 118
 119     DECLARE_DYNAMIC_CLASS_NO_COPY(wxMenu)
 120 };
 121
 122 // ----------------------------------------------------------------------------
 123 // Menu Bar (a la Windows)
 124 // ----------------------------------------------------------------------------
 125
 126 class WXDLLEXPORT wxMenuBar : public wxMenuBarBase
 127 {
 128 public:
 129     // ctors & dtor
 130         // default constructor
 131     wxMenuBar();
 132         // unused under MSW
 133     wxMenuBar(long style);
 134         // menubar takes ownership of the menus arrays but copies the titles
 135     wxMenuBar(int n, wxMenu *menus[], const wxString titles[]);
 136     virtual ~wxMenuBar();
 137
 138     // menubar construction
 139     virtual bool Append( wxMenu *menu, const wxString &title );
 140     virtual bool Insert(size_t pos, wxMenu *menu, const wxString& title);
 141     virtual wxMenu *Replace(size_t pos, wxMenu *menu, const wxString& title);
 142     virtual wxMenu *Remove(size_t pos);
 143
 144     virtual void EnableTop( size_t pos, bool flag );
 145     virtual void SetLabelTop( size_t pos, const wxString& label );
 146     virtual wxString GetLabelTop( size_t pos ) const;
 147
 148     // implementation from now on
 149     WXHMENU Create();
 150     virtual void Detach();
 151     virtual void Attach(wxFrame *frame);
 152
 153 #if defined(__WXWINCE__) && wxUSE_TOOLBAR
 154     // Under WinCE, a menubar is owned by the frame's toolbar
 155     void SetToolBar(wxToolBar* toolBar) { m_toolBar = toolBar; }
 156     wxToolBar* GetToolBar() const { return m_toolBar; }
 157 #endif
 158
 159 #if wxUSE_ACCEL
 160     // get the accel table for all the menus
 161     const wxAcceleratorTable& GetAccelTable() const { return m_accelTable; }
 162
 163     // update the accel table (must be called after adding/deletign a menu)
 164     void RebuildAccelTable();
 165 #endif // wxUSE_ACCEL
 166
 167         // get the menu handle
 168     WXHMENU GetHMenu() const { return m_hMenu; }
 169
 170     // if the menubar is modified, the display is not updated automatically,
 171     // call this function to update it (m_menuBarFrame should be !NULL)
 172     void Refresh();
 173
 174     // To avoid compile warning
 175     void Refresh( bool eraseBackground,
 176                           const wxRect *rect = (const wxRect *) NULL ) { wxWindow::Refresh(eraseBackground, rect); }
 177
 178 protected:
 179     // common part of all ctors
 180     void Init();
 181
 182     wxArrayString m_titles;
 183
 184     WXHMENU       m_hMenu;
 185
 186 #if wxUSE_ACCEL
 187     // the accelerator table for all accelerators in all our menus
 188     wxAcceleratorTable m_accelTable;
 189 #endif // wxUSE_ACCEL
 190
 191 #if defined(__WXWINCE__) && wxUSE_TOOLBAR
 192     wxToolBar*  m_toolBar;
 193 #endif
 194
 195 private:
 196     DECLARE_DYNAMIC_CLASS_NO_COPY(wxMenuBar)
 197 };
 198
 199 #endif // _WX_MENU_H_