include/wx/palmos/menu.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/palmos/menu.h
   3 // Purpose:     wxMenu, wxMenuBar classes
   4 // Author:      William Osborne - minimal working wxPalmOS port
   5 // Modified by:
   6 // Created:     10/13/04
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) William Osborne
   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 #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 wxMenuItem* DoAppend(wxMenuItem *item);
  51     virtual wxMenuItem* 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 PalmCommand(WXUINT param, WXWORD id);
  75
  76     // semi-private accessors
  77         // get the window which contains this menu
  78     wxWindow *GetWindow() const;
  79
  80 #if wxUSE_ACCEL
  81     // called by wxMenuBar to build its accel table from the accels of all menus
  82     bool HasAccels() const { return !m_accels.IsEmpty(); }
  83     size_t GetAccelCount() const { return m_accels.GetCount(); }
  84     size_t CopyAccels(wxAcceleratorEntry *accels) const;
  85
  86     // called by wxMenuItem when its accels changes
  87     void UpdateAccel(wxMenuItem *item);
  88
  89     // helper used by wxMenu itself (returns the index in m_accels)
  90     int FindAccel(int id) const;
  91 #endif // wxUSE_ACCEL
  92
  93 private:
  94     // common part of all ctors
  95     void Init();
  96
  97     // common part of Append/Insert (behaves as Append is pos == (size_t)-1)
  98     bool DoInsertOrAppend(wxMenuItem *item, size_t pos = (size_t)-1);
  99
 100     // terminate the current radio group, if any
 101     void EndRadioGroup();
 102
 103     // if true, insert a break before appending the next item
 104     bool m_doBreak;
 105
 106     // the position of the first item in the current radio group or -1
 107     int m_startRadioGroup;
 108
 109 #if wxUSE_ACCEL
 110     // the accelerators for our menu items
 111     wxAcceleratorArray m_accels;
 112 #endif // wxUSE_ACCEL
 113
 114     DECLARE_DYNAMIC_CLASS_NO_COPY(wxMenu)
 115 };
 116
 117 // ----------------------------------------------------------------------------
 118 // Menu Bar (a la Windows)
 119 // ----------------------------------------------------------------------------
 120
 121 class WXDLLEXPORT wxMenuInfo : public wxObject
 122 {
 123 public :
 124     wxMenuInfo() { m_menu = NULL ; }
 125     virtual ~wxMenuInfo() { }
 126
 127     void Create( wxMenu *menu , const wxString &title )
 128     { m_menu = menu ; m_title = title ; }
 129     wxMenu* GetMenu() const { return m_menu ; }
 130     wxString GetTitle() const { return m_title ; }
 131 private :
 132     wxMenu *m_menu ;
 133     wxString m_title ;
 134
 135     DECLARE_DYNAMIC_CLASS(wxMenuInfo) ;
 136 } ;
 137
 138 WX_DECLARE_EXPORTED_LIST(wxMenuInfo, wxMenuInfoList );
 139
 140 class WXDLLEXPORT wxMenuBar : public wxMenuBarBase
 141 {
 142 public:
 143     // ctors & dtor
 144         // default constructor
 145     wxMenuBar();
 146
 147     wxMenuBar(long style);
 148         // menubar takes ownership of the menus arrays but copies the titles
 149     wxMenuBar(size_t n, wxMenu *menus[], const wxString titles[], long style = 0);
 150     virtual ~wxMenuBar();
 151
 152     // menubar construction
 153     bool Append( wxMenuInfo *info ) { return Append( info->GetMenu() , info->GetTitle() ) ; }
 154     const wxMenuInfoList& GetMenuInfos() const ;
 155
 156     virtual bool Append( wxMenu *menu, const wxString &title );
 157     virtual bool Insert(size_t pos, wxMenu *menu, const wxString& title);
 158     virtual wxMenu *Replace(size_t pos, wxMenu *menu, const wxString& title);
 159     virtual wxMenu *Remove(size_t pos);
 160
 161     virtual void EnableTop( size_t pos, bool flag );
 162     virtual void SetLabelTop( size_t pos, const wxString& label );
 163     virtual wxString GetLabelTop( size_t pos ) const;
 164
 165     // implementation from now on
 166     WXHMENU Create();
 167     virtual void Detach();
 168     virtual void Attach(wxFrame *frame);
 169
 170     void LoadMenu();
 171     int ProcessCommand(int ItemID);
 172
 173 #if wxUSE_ACCEL
 174     // get the accel table for all the menus
 175     const wxAcceleratorTable& GetAccelTable() const { return m_accelTable; }
 176
 177     // update the accel table (must be called after adding/deleting a menu)
 178     void RebuildAccelTable();
 179 #endif // wxUSE_ACCEL
 180
 181     // if the menubar is modified, the display is not updated automatically,
 182     // call this function to update it (m_menuBarFrame should be !NULL)
 183     void Refresh();
 184
 185     // To avoid compile warning
 186     void Refresh( bool eraseBackground,
 187                           const wxRect *rect = (const wxRect *) NULL ) { wxWindow::Refresh(eraseBackground, rect); }
 188
 189 protected:
 190     // common part of all ctors
 191     void Init();
 192
 193     wxArrayString m_titles ;
 194     wxMenuInfoList m_menuInfos;
 195
 196     // Return the Palm position for a wxMenu which is sometimes different from
 197     // the wxWidgets position.
 198     int PalmPositionForWxMenu(wxMenu *menu, int wxpos);
 199 #if wxUSE_ACCEL
 200     // the accelerator table for all accelerators in all our menus
 201     wxAcceleratorTable m_accelTable;
 202 #endif // wxUSE_ACCEL
 203
 204 #if defined(__WXWINCE__) && wxUSE_TOOLBAR
 205     wxToolBar*  m_toolBar;
 206 #endif
 207
 208 private:
 209     DECLARE_DYNAMIC_CLASS_NO_COPY(wxMenuBar)
 210 };
 211
 212 #endif // _WX_MENU_H_