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     int Insert(const wxString& item, int pos)
  51         { return DoInsert(item, pos); }
  52     int Insert(const wxString& item, int pos, void *clientData);
  53     int Insert(const wxString& item, int pos, wxClientData *clientData);
  54
  55     // deleting items
  56     // --------------
  57
  58     virtual void Clear() = 0;
  59     virtual void Delete(int n) = 0;
  60
  61     // accessing strings
  62     // -----------------
  63
  64     virtual int GetCount() const = 0;
  65     bool IsEmpty() const { return GetCount() == 0; }
  66
  67     virtual wxString GetString(int n) const = 0;
  68     virtual void SetString(int n, const wxString& s) = 0;
  69     virtual int FindString(const wxString& s) const = 0;
  70
  71     // selection
  72     // ---------
  73
  74     virtual void Select(int n) = 0;
  75     virtual int GetSelection() const = 0;
  76
  77     wxString GetStringSelection() const;
  78
  79     // misc
  80     // ----
  81
  82     // client data stuff
  83     void SetClientData(int n, void* clientData);
  84     void* GetClientData(int n) const;
  85
  86     void SetClientObject(int n, wxClientData* clientData);
  87     wxClientData* GetClientObject(int n) const;
  88
  89     bool HasClientObjectData() const
  90         { return m_clientDataItemsType == wxClientData_Object; }
  91     bool HasClientUntypedData() const
  92         { return m_clientDataItemsType == wxClientData_Void; }
  93
  94 #if WXWIN_COMPATIBILITY_2_2
  95     // compatibility - these functions are deprecated, use the new ones
  96     // instead
  97     int Number() const { return GetCount(); }
  98 #endif // WXWIN_COMPATIBILITY_2_2
  99
 100 protected:
 101     virtual int DoAppend(const wxString& item) = 0;
 102     virtual int DoInsert(const wxString& item, int pos) = 0;
 103
 104     virtual void DoSetItemClientData(int n, void* clientData) = 0;
 105     virtual void* DoGetItemClientData(int n) const = 0;
 106     virtual void DoSetItemClientObject(int n, wxClientData* clientData) = 0;
 107     virtual wxClientData* DoGetItemClientObject(int n) const = 0;
 108
 109     // the type of the client data for the items
 110     wxClientDataType m_clientDataItemsType;
 111 };
 112
 113 class WXDLLEXPORT wxControlWithItems : public wxControl, public wxItemContainer
 114 {
 115 public:
 116     wxControlWithItems() { }
 117     virtual ~wxControlWithItems();
 118
 119     // we have to redefine these functions here to avoid ambiguities in classes
 120     // deriving from us which would arise otherwise because both base classses
 121     // have the methods with the same names - hopefully, a smart compiler can
 122     // optimize away these simple inline wrappers so we don't suffer much from
 123     // this
 124
 125     void SetClientData(void *data)
 126     {
 127         wxControl::SetClientData(data);
 128     }
 129
 130     void *GetClientData() const
 131     {
 132         return wxControl::GetClientData();
 133     }
 134
 135     void SetClientObject(wxClientData *data)
 136     {
 137         wxControl::SetClientObject(data);
 138     }
 139
 140     wxClientData *GetClientObject() const
 141     {
 142         return wxControl::GetClientObject();
 143     }
 144
 145     void SetClientData(int n, void* clientData)
 146     {
 147         wxItemContainer::SetClientData(n, clientData);
 148     }
 149
 150     void* GetClientData(int n) const
 151     {
 152         return wxItemContainer::GetClientData(n);
 153     }
 154
 155     void SetClientObject(int n, wxClientData* clientData)
 156     {
 157         wxItemContainer::SetClientObject(n, clientData);
 158     }
 159
 160     wxClientData* GetClientObject(int n) const
 161     {
 162         return wxItemContainer::GetClientObject(n);
 163     }
 164
 165 private:
 166     DECLARE_NO_COPY_CLASS(wxControlWithItems)
 167 };
 168
 169 #endif // wxUSE_CONTROLS
 170
 171 #endif // _WX_CTRLSUB_H_BASE_
 172