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 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 WXDLLEXPORT wxFrame;
  23
  24 #if defined(__WXWINCE__) && wxUSE_TOOLBAR
  25 class WXDLLEXPORT wxToolBar;
  26 #endif
  27
  28 #include "wx/arrstr.h"
  29
  30 // ----------------------------------------------------------------------------
  31 // Menu
  32 // ----------------------------------------------------------------------------
  33
  34 class WXDLLEXPORT wxMenu : public wxMenuBase
  35 {
  36 public:
  37     // ctors & dtor
  38     wxMenu(const wxString& title, long style = 0)
  39         : wxMenuBase(title, style) { Init(); }
  40
  41     wxMenu(long style = 0) : wxMenuBase(style) { Init(); }
  42
  43     virtual ~wxMenu();
  44
  45     // implement base class virtuals
  46     virtual wxMenuItem* DoAppend(wxMenuItem *item);
  47     virtual wxMenuItem* DoInsert(size_t pos, wxMenuItem *item);
  48     virtual wxMenuItem* DoRemove(wxMenuItem *item);
  49
  50     virtual void Break();
  51
  52     virtual void SetTitle(const wxString& title);
  53
  54     // implementation only from now on
  55     // -------------------------------
  56
  57     virtual void Attach(wxMenuBarBase *menubar);
  58
  59     bool PalmCommand(WXUINT param, WXWORD id);
  60
  61     // semi-private accessors
  62         // get the window which contains this menu
  63     wxWindow *GetWindow() const;
  64
  65 #if wxUSE_ACCEL
  66     // called by wxMenuBar to build its accel table from the accels of all menus
  67     bool HasAccels() const { return !m_accels.IsEmpty(); }
  68     size_t GetAccelCount() const { return m_accels.GetCount(); }
  69     size_t CopyAccels(wxAcceleratorEntry *accels) const;
  70
  71     // called by wxMenuItem when its accels changes
  72     void UpdateAccel(wxMenuItem *item);
  73
  74     // helper used by wxMenu itself (returns the index in m_accels)
  75     int FindAccel(int id) const;
  76 #endif // wxUSE_ACCEL
  77
  78 private:
  79     // common part of all ctors
  80     void Init();
  81
  82     // common part of Append/Insert (behaves as Append is pos == (size_t)-1)
  83     bool DoInsertOrAppend(wxMenuItem *item, size_t pos = (size_t)-1);
  84
  85     // terminate the current radio group, if any
  86     void EndRadioGroup();
  87
  88     // if true, insert a break before appending the next item
  89     bool m_doBreak;
  90
  91     // the position of the first item in the current radio group or -1
  92     int m_startRadioGroup;
  93
  94 #if wxUSE_ACCEL
  95     // the accelerators for our menu items
  96     wxAcceleratorArray m_accels;
  97 #endif // wxUSE_ACCEL
  98
  99     DECLARE_DYNAMIC_CLASS_NO_COPY(wxMenu)
 100 };
 101
 102 // ----------------------------------------------------------------------------
 103 // Menu Bar (a la Windows)
 104 // ----------------------------------------------------------------------------
 105
 106 class WXDLLEXPORT wxMenuInfo : public wxObject
 107 {
 108 public :
 109     wxMenuInfo() { m_menu = NULL ; }
 110     virtual ~wxMenuInfo() { }
 111
 112     void Create( wxMenu *menu , const wxString &title )
 113     { m_menu = menu ; m_title = title ; }
 114     wxMenu* GetMenu() const { return m_menu ; }
 115     wxString GetTitle() const { return m_title ; }
 116 private :
 117     wxMenu *m_menu ;
 118     wxString m_title ;
 119
 120     DECLARE_DYNAMIC_CLASS(wxMenuInfo) ;
 121 } ;
 122
 123 WX_DECLARE_EXPORTED_LIST(wxMenuInfo, wxMenuInfoList );
 124
 125 class WXDLLEXPORT wxMenuBar : public wxMenuBarBase
 126 {
 127 public:
 128     // ctors & dtor
 129         // default constructor
 130     wxMenuBar();
 131
 132     wxMenuBar(long style);
 133         // menubar takes ownership of the menus arrays but copies the titles
 134     wxMenuBar(size_t n, wxMenu *menus[], const wxString titles[], long style = 0);
 135     virtual ~wxMenuBar();
 136
 137     // menubar construction
 138     bool Append( wxMenuInfo *info ) { return Append( info->GetMenu() , info->GetTitle() ) ; }
 139     const wxMenuInfoList& GetMenuInfos() const ;
 140
 141     virtual bool Append( wxMenu *menu, const wxString &title );
 142     virtual bool Insert(size_t pos, wxMenu *menu, const wxString& title);
 143     virtual wxMenu *Replace(size_t pos, wxMenu *menu, const wxString& title);
 144     virtual wxMenu *Remove(size_t pos);
 145
 146     virtual void EnableTop( size_t pos, bool flag );
 147     virtual void SetLabelTop( size_t pos, const wxString& label );
 148     virtual wxString GetLabelTop( size_t pos ) const;
 149
 150     // implementation from now on
 151     WXHMENU Create();
 152     virtual void Detach();
 153     virtual void Attach(wxFrame *frame);
 154
 155     void LoadMenu();
 156     int ProcessCommand(int ItemID);
 157
 158 #if wxUSE_ACCEL
 159     // get the accel table for all the menus
 160     const wxAcceleratorTable& GetAccelTable() const { return m_accelTable; }
 161
 162     // update the accel table (must be called after adding/deleting a menu)
 163     void RebuildAccelTable();
 164 #endif // wxUSE_ACCEL
 165
 166     // if the menubar is modified, the display is not updated automatically,
 167     // call this function to update it (m_menuBarFrame should be !NULL)
 168     void Refresh();
 169
 170     // To avoid compile warning
 171     void Refresh( bool eraseBackground,
 172                           const wxRect *rect = (const wxRect *) NULL ) { wxWindow::Refresh(eraseBackground, rect); }
 173
 174 protected:
 175     // common part of all ctors
 176     void Init();
 177
 178     wxArrayString m_titles ;
 179     wxMenuInfoList m_menuInfos;
 180
 181     // Return the Palm position for a wxMenu which is sometimes different from
 182     // the wxWidgets position.
 183     int PalmPositionForWxMenu(wxMenu *menu, int wxpos);
 184 #if wxUSE_ACCEL
 185     // the accelerator table for all accelerators in all our menus
 186     wxAcceleratorTable m_accelTable;
 187 #endif // wxUSE_ACCEL
 188
 189 #if defined(__WXWINCE__) && wxUSE_TOOLBAR
 190     wxToolBar*  m_toolBar;
 191 #endif
 192
 193 private:
 194     DECLARE_DYNAMIC_CLASS_NO_COPY(wxMenuBar)
 195 };
 196
 197 #endif // _WX_MENU_H_