src/common/ctrlsub.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/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) wxWidgets team
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // For compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #if wxUSE_CONTROLS
  28
  29 #ifndef WX_PRECOMP
  30     #include "wx/ctrlsub.h"
  31     #include "wx/arrstr.h"
  32 #endif
  33
  34 IMPLEMENT_ABSTRACT_CLASS(wxControlWithItems, wxControl)
  35
  36 // ============================================================================
  37 // wxItemContainerImmutable implementation
  38 // ============================================================================
  39
  40 wxItemContainerImmutable::~wxItemContainerImmutable()
  41 {
  42     // this destructor is required for Darwin
  43 }
  44
  45 // ----------------------------------------------------------------------------
  46 // selection
  47 // ----------------------------------------------------------------------------
  48
  49 wxString wxItemContainerImmutable::GetStringSelection() const
  50 {
  51     wxString s;
  52
  53     int sel = GetSelection();
  54     if ( sel != wxNOT_FOUND )
  55         s = GetString((unsigned int)sel);
  56
  57     return s;
  58 }
  59
  60 bool wxItemContainerImmutable::SetStringSelection(const wxString& s)
  61 {
  62     const int sel = FindString(s);
  63     if ( sel == wxNOT_FOUND )
  64         return false;
  65
  66     SetSelection(sel);
  67
  68     return true;
  69 }
  70
  71 wxArrayString wxItemContainerImmutable::GetStrings() const
  72 {
  73     wxArrayString result;
  74
  75     const unsigned int count = GetCount();
  76     result.Alloc(count);
  77     for ( unsigned int n = 0; n < count; n++ )
  78         result.Add(GetString(n));
  79
  80     return result;
  81 }
  82
  83 // ============================================================================
  84 // wxItemContainer implementation
  85 // ============================================================================
  86
  87 wxItemContainer::~wxItemContainer()
  88 {
  89     // this destructor is required for Darwin
  90 }
  91
  92 // ----------------------------------------------------------------------------
  93 // appending items
  94 // ----------------------------------------------------------------------------
  95
  96 void wxItemContainer::Append(const wxArrayString& strings)
  97 {
  98     const size_t count = strings.GetCount();
  99     for ( size_t n = 0; n < count; n++ )
 100     {
 101         Append(strings[n]);
 102     }
 103 }
 104
 105 int wxItemContainer::Insert(const wxString& item, unsigned int pos, void *clientData)
 106 {
 107     int n = DoInsert(item, pos);
 108     if ( n != wxNOT_FOUND )
 109         SetClientData(n, clientData);
 110
 111     return n;
 112 }
 113
 114 int wxItemContainer::Insert(const wxString& item, unsigned int pos, wxClientData *clientData)
 115 {
 116     int n = DoInsert(item, pos);
 117     if ( n != wxNOT_FOUND )
 118         SetClientObject(n, clientData);
 119
 120     return n;
 121 }
 122
 123 // ----------------------------------------------------------------------------
 124 // client data
 125 // ----------------------------------------------------------------------------
 126
 127 void wxItemContainer::SetClientObject(unsigned int n, wxClientData *data)
 128 {
 129     wxASSERT_MSG( m_clientDataItemsType != wxClientData_Void,
 130                   wxT("can't have both object and void client data") );
 131
 132     // when we call SetClientObject() for the first time, m_clientDataItemsType
 133     // is still wxClientData_None and so calling DoGetItemClientObject() would
 134     // fail (in addition to being useless) - don't do it
 135     if ( m_clientDataItemsType == wxClientData_Object )
 136     {
 137         wxClientData *clientDataOld = DoGetItemClientObject(n);
 138         if ( clientDataOld )
 139             delete clientDataOld;
 140     }
 141     else // m_clientDataItemsType == wxClientData_None
 142     {
 143         // now we have object client data
 144         m_clientDataItemsType = wxClientData_Object;
 145     }
 146
 147     DoSetItemClientObject(n, data);
 148 }
 149
 150 wxClientData *wxItemContainer::GetClientObject(unsigned int n) const
 151 {
 152     wxASSERT_MSG( m_clientDataItemsType == wxClientData_Object,
 153                   wxT("this window doesn't have object client data") );
 154
 155     return DoGetItemClientObject(n);
 156 }
 157
 158 void wxItemContainer::SetClientData(unsigned int n, void *data)
 159 {
 160     wxASSERT_MSG( m_clientDataItemsType != wxClientData_Object,
 161                   wxT("can't have both object and void client data") );
 162
 163     DoSetItemClientData(n, data);
 164     m_clientDataItemsType = wxClientData_Void;
 165 }
 166
 167 void *wxItemContainer::GetClientData(unsigned int n) const
 168 {
 169     wxASSERT_MSG( m_clientDataItemsType == wxClientData_Void,
 170                   wxT("this window doesn't have void client data") );
 171
 172     return DoGetItemClientData(n);
 173 }
 174
 175 // ============================================================================
 176 // wxControlWithItems implementation
 177 // ============================================================================
 178
 179 void wxControlWithItems::InitCommandEventWithItems(wxCommandEvent& event, int n)
 180 {
 181     InitCommandEvent(event);
 182
 183     if ( n != wxNOT_FOUND )
 184     {
 185         if ( HasClientObjectData() )
 186             event.SetClientObject(GetClientObject(n));
 187         else if ( HasClientUntypedData() )
 188             event.SetClientData(GetClientData(n));
 189     }
 190 }
 191
 192 wxControlWithItems::~wxControlWithItems()
 193 {
 194     // this destructor is required for Darwin
 195 }
 196
 197 #endif // wxUSE_CONTROLS