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 // ----------------------------------------------------------------------------
  42 // selection
  43 // ----------------------------------------------------------------------------
  44
  45 wxString wxItemContainer::GetStringSelection() const
  46 {
  47     wxString s;
  48     int sel = GetSelection();
  49     if ( sel != -1 )
  50         s = GetString(sel);
  51
  52     return s;
  53 }
  54
  55 // ----------------------------------------------------------------------------
  56 // client data
  57 // ----------------------------------------------------------------------------
  58
  59 void wxItemContainer::SetClientObject(int n, wxClientData *data)
  60 {
  61     wxASSERT_MSG( m_clientDataItemsType != wxClientData_Void,
  62                   wxT("can't have both object and void client data") );
  63
  64     // when we call SetClientObject() for the first time, m_clientDataItemsType
  65     // is still wxClientData_None and so calling DoGetItemClientObject() would
  66     // fail (in addition to being useless) - don't do it
  67     if ( m_clientDataItemsType == wxClientData_Object )
  68     {
  69         wxClientData *clientDataOld = DoGetItemClientObject(n);
  70         if ( clientDataOld )
  71             delete clientDataOld;
  72     }
  73     else // m_clientDataItemsType == wxClientData_None
  74     {
  75         // now we have object client data
  76         m_clientDataItemsType = wxClientData_Object;
  77     }
  78
  79     DoSetItemClientObject(n, data);
  80 }
  81
  82 wxClientData *wxItemContainer::GetClientObject(int n) const
  83 {
  84     wxASSERT_MSG( m_clientDataItemsType == wxClientData_Object,
  85                   wxT("this window doesn't have object client data") );
  86
  87     return DoGetItemClientObject(n);
  88 }
  89
  90 void wxItemContainer::SetClientData(int n, void *data)
  91 {
  92     wxASSERT_MSG( m_clientDataItemsType != wxClientData_Object,
  93                   wxT("can't have both object and void client data") );
  94
  95     DoSetItemClientData(n, data);
  96     m_clientDataItemsType = wxClientData_Void;
  97 }
  98
  99 void *wxItemContainer::GetClientData(int n) const
 100 {
 101     wxASSERT_MSG( m_clientDataItemsType == wxClientData_Void,
 102                   wxT("this window doesn't have void client data") );
 103
 104     return DoGetItemClientData(n);
 105 }
 106
 107 #endif // wxUSE_CONTROLS