src/common/ctrlsub.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        common/ctrlsub.cpp
   3 // Purpose:     wxItemContainer implementation
   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 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "controlwithitems.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #if wxUSE_CONTROLS
  32
  33 #ifndef WX_PRECOMP
  34     #include "wx/ctrlsub.h"
  35 #endif
  36
  37 // ============================================================================
  38 // implementation
  39 // ============================================================================
  40
  41 wxItemContainer::~wxItemContainer()
  42 {
  43     // this destructor is required for Darwin
  44 }
  45
  46 // ----------------------------------------------------------------------------
  47 // selection
  48 // ----------------------------------------------------------------------------
  49
  50 wxString wxItemContainer::GetStringSelection() const
  51 {
  52     wxString s;
  53     int sel = GetSelection();
  54     if ( sel != -1 )
  55         s = GetString(sel);
  56
  57     return s;
  58 }
  59
  60 // ----------------------------------------------------------------------------
  61 // client data
  62 // ----------------------------------------------------------------------------
  63
  64 void wxItemContainer::SetClientObject(int n, wxClientData *data)
  65 {
  66     wxASSERT_MSG( m_clientDataItemsType != wxClientData_Void,
  67                   wxT("can't have both object and void client data") );
  68
  69     // when we call SetClientObject() for the first time, m_clientDataItemsType
  70     // is still wxClientData_None and so calling DoGetItemClientObject() would
  71     // fail (in addition to being useless) - don't do it
  72     if ( m_clientDataItemsType == wxClientData_Object )
  73     {
  74         wxClientData *clientDataOld = DoGetItemClientObject(n);
  75         if ( clientDataOld )
  76             delete clientDataOld;
  77     }
  78     else // m_clientDataItemsType == wxClientData_None
  79     {
  80         // now we have object client data
  81         m_clientDataItemsType = wxClientData_Object;
  82     }
  83
  84     DoSetItemClientObject(n, data);
  85 }
  86
  87 wxClientData *wxItemContainer::GetClientObject(int n) const
  88 {
  89     wxASSERT_MSG( m_clientDataItemsType == wxClientData_Object,
  90                   wxT("this window doesn't have object client data") );
  91
  92     return DoGetItemClientObject(n);
  93 }
  94
  95 void wxItemContainer::SetClientData(int n, void *data)
  96 {
  97     wxASSERT_MSG( m_clientDataItemsType != wxClientData_Object,
  98                   wxT("can't have both object and void client data") );
  99
 100     DoSetItemClientData(n, data);
 101     m_clientDataItemsType = wxClientData_Void;
 102 }
 103
 104 void *wxItemContainer::GetClientData(int n) const
 105 {
 106     wxASSERT_MSG( m_clientDataItemsType == wxClientData_Void,
 107                   wxT("this window doesn't have void client data") );
 108
 109     return DoGetItemClientData(n);
 110 }
 111
 112 #endif // wxUSE_CONTROLS