include/wx/ctrlsub.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/ctrlsub.h (read: "wxConTRoL with SUBitems")
   3 // Purpose:     wxControlWithItems interface
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     22.10.99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) wxWindows team
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_CTRLSUB_H_BASE_
  13 #define _WX_CTRLSUB_H_BASE_
  14
  15 #if defined(__GNUG__) && !defined(__APPLE__)
  16     #pragma interface "controlwithitems.h"
  17 #endif
  18
  19 #if wxUSE_CONTROLS
  20
  21 #include "wx/control.h"      // base class
  22
  23 // ----------------------------------------------------------------------------
  24 // wxItemContainer defines an interface which is implemented by all controls
  25 // which have string subitems each of which may be selected.
  26 //
  27 // Examples: wxListBox, wxCheckListBox, wxChoice and wxComboBox (which
  28 // implements an extended interface deriving from this one)
  29 // ----------------------------------------------------------------------------
  30
  31 class WXDLLEXPORT wxItemContainer
  32 {
  33 public:
  34     wxItemContainer() { m_clientDataItemsType = wxClientData_None; }
  35     virtual ~wxItemContainer();
  36
  37     // adding items
  38     // ------------
  39
  40     int Append(const wxString& item)
  41         { return DoAppend(item); }
  42     int Append(const wxString& item, void *clientData)
  43         { int n = DoAppend(item); SetClientData(n, clientData); return n; }
  44     int Append(const wxString& item, wxClientData *clientData)
  45         { int n = DoAppend(item); SetClientObject(n, clientData); return n; }
  46
  47     // append several items at once to the control
  48     void Append(const wxArrayString& strings);
  49
  50     // deleting items
  51     // --------------
  52
  53     virtual void Clear() = 0;
  54     virtual void Delete(int n) = 0;
  55
  56     // accessing strings
  57     // -----------------
  58
  59     virtual int GetCount() const = 0;
  60     bool IsEmpty() const { return GetCount() == 0; }
  61
  62     virtual wxString GetString(int n) const = 0;
  63     virtual void SetString(int n, const wxString& s) = 0;
  64     virtual int FindString(const wxString& s) const = 0;
  65
  66     // selection
  67     // ---------
  68
  69     virtual void Select(int n) = 0;
  70     virtual int GetSelection() const = 0;
  71
  72     wxString GetStringSelection() const;
  73
  74     // misc
  75     // ----
  76
  77     // client data stuff
  78     void SetClientData(int n, void* clientData);
  79     void* GetClientData(int n) const;
  80
  81     void SetClientObject(int n, wxClientData* clientData);
  82     wxClientData* GetClientObject(int n) const;
  83
  84     bool HasClientObjectData() const
  85         { return m_clientDataItemsType == wxClientData_Object; }
  86     bool HasClientUntypedData() const
  87         { return m_clientDataItemsType == wxClientData_Void; }
  88
  89 #if WXWIN_COMPATIBILITY_2_2
  90     // compatibility - these functions are deprecated, use the new ones
  91     // instead
  92     int Number() const { return GetCount(); }
  93 #endif // WXWIN_COMPATIBILITY_2_2
  94
  95 protected:
  96     virtual int DoAppend(const wxString& item) = 0;
  97
  98     virtual void DoSetItemClientData(int n, void* clientData) = 0;
  99     virtual void* DoGetItemClientData(int n) const = 0;
 100     virtual void DoSetItemClientObject(int n, wxClientData* clientData) = 0;
 101     virtual wxClientData* DoGetItemClientObject(int n) const = 0;
 102
 103     // the type of the client data for the items
 104     wxClientDataType m_clientDataItemsType;
 105 };
 106
 107 class WXDLLEXPORT wxControlWithItems : public wxControl, public wxItemContainer
 108 {
 109 public:
 110     wxControlWithItems() { }
 111     virtual ~wxControlWithItems();
 112
 113     // we have to redefine these functions here to avoid ambiguities in classes
 114     // deriving from us which would arise otherwise because both base classses
 115     // have the methods with the same names - hopefully, a smart compiler can
 116     // optimize away these simple inline wrappers so we don't suffer much from
 117     // this
 118
 119     void SetClientData(void *data)
 120     {
 121         wxControl::SetClientData(data);
 122     }
 123
 124     void *GetClientData() const
 125     {
 126         return wxControl::GetClientData();
 127     }
 128
 129     void SetClientObject(wxClientData *data)
 130     {
 131         wxControl::SetClientObject(data);
 132     }
 133
 134     wxClientData *GetClientObject() const
 135     {
 136         return wxControl::GetClientObject();
 137     }
 138
 139     void SetClientData(int n, void* clientData)
 140     {
 141         wxItemContainer::SetClientData(n, clientData);
 142     }
 143
 144     void* GetClientData(int n) const
 145     {
 146         return wxItemContainer::GetClientData(n);
 147     }
 148
 149     void SetClientObject(int n, wxClientData* clientData)
 150     {
 151         wxItemContainer::SetClientObject(n, clientData);
 152     }
 153
 154     wxClientData* GetClientObject(int n) const
 155     {
 156         return wxItemContainer::GetClientObject(n);
 157     }
 158 };
 159
 160 #endif // wxUSE_CONTROLS
 161
 162 #endif // _WX_CTRLSUB_H_BASE_
 163