src/osx/combobox_osx.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/combobox_osx.cpp
   3 // Purpose:     wxComboBox class using HIView ComboBox
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id: combobox_osx.cpp 58318 2009-01-23 08:36:16Z RR $
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #if wxUSE_COMBOBOX && wxOSX_USE_COCOA
  15
  16 #include "wx/combobox.h"
  17 #include "wx/osx/private.h"
  18
  19 #ifndef WX_PRECOMP
  20 #endif
  21
  22 // work in progress
  23
  24 IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl)
  25
  26 wxComboBox::~wxComboBox()
  27 {
  28 }
  29
  30 void wxComboBox::Init()
  31 {
  32 }
  33
  34 bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
  35            const wxString& value,
  36            const wxPoint& pos,
  37            const wxSize& size,
  38            const wxArrayString& choices,
  39            long style,
  40            const wxValidator& validator,
  41            const wxString& name)
  42 {
  43     wxCArrayString chs( choices );
  44
  45     return Create( parent, id, value, pos, size, chs.GetCount(),
  46                    chs.GetStrings(), style, validator, name );
  47 }
  48
  49 bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
  50            const wxString& value,
  51            const wxPoint& pos,
  52            const wxSize& size,
  53            int n, const wxString choices[],
  54            long style,
  55            const wxValidator& validator,
  56            const wxString& name)
  57 {
  58     m_text = NULL;
  59     m_choice = NULL;
  60
  61     m_macIsUserPane = false;
  62
  63     if ( !wxControl::Create( parent, id, pos, size, style, validator, name ) )
  64         return false;
  65
  66     wxASSERT_MSG( !(style & wxCB_SORT),
  67                   "wxCB_SORT not currently supported by wxOSX/Cocoa");
  68
  69     m_peer = wxWidgetImpl::CreateComboBox( this, parent, id, NULL, pos, size, style, GetExtraStyle() );
  70
  71     MacPostControlCreate( pos, size );
  72
  73     Append(n, choices);
  74
  75     // Set the first item as being selected
  76     if (n > 0)
  77         SetSelection( 0 );
  78
  79     // Needed because it is a wxControlWithItems
  80     SetInitialSize( size );
  81
  82     return true;
  83 }
  84
  85 void wxComboBox::DelegateTextChanged( const wxString& value )
  86 {
  87     SetStringSelection( value );
  88 }
  89
  90 void wxComboBox::DelegateChoice( const wxString& value )
  91 {
  92     SetStringSelection( value );
  93 }
  94
  95 int wxComboBox::DoInsertItems(const wxArrayStringsAdapter& items,
  96                               unsigned int pos,
  97                               void **clientData, wxClientDataType type)
  98 {
  99     const unsigned int numItems = items.GetCount();
 100     for( unsigned int i = 0; i < numItems; ++i, ++pos )
 101     {
 102         unsigned int idx;
 103
 104         idx = pos;
 105         GetComboPeer()->InsertItem( idx, items[i] );
 106
 107         if (idx > m_datas.GetCount())
 108             m_datas.SetCount(idx);
 109         m_datas.Insert( NULL, idx );
 110         AssignNewItemClientData(idx, clientData, i, type);
 111     }
 112
 113     m_peer->SetMaximum( GetCount() );
 114
 115     return pos - 1;
 116 }
 117
 118 // ----------------------------------------------------------------------------
 119 // client data
 120 // ----------------------------------------------------------------------------
 121 void wxComboBox::DoSetItemClientData(unsigned int n, void* clientData)
 122 {
 123     wxCHECK_RET( IsValid(n), "invalid index" );
 124
 125     m_datas[n] = (char*)clientData ;
 126 }
 127
 128 void * wxComboBox::DoGetItemClientData(unsigned int n) const
 129 {
 130     wxCHECK_MSG( IsValid(n), NULL, "invalid index" );
 131
 132     return (void *)m_datas[n];
 133 }
 134
 135 unsigned int wxComboBox::GetCount() const
 136 {
 137     return GetComboPeer()->GetNumberOfItems();
 138 }
 139
 140 void wxComboBox::DoDeleteOneItem(unsigned int n)
 141 {
 142     GetComboPeer()->RemoveItem(n);
 143 }
 144
 145 void wxComboBox::DoClear()
 146 {
 147     GetComboPeer()->Clear();
 148     SetValue(wxEmptyString);
 149 }
 150
 151 void wxComboBox::GetSelection(long *from, long *to) const
 152 {
 153     wxTextEntry::GetSelection(from, to);
 154 }
 155
 156 int wxComboBox::GetSelection() const
 157 {
 158     return GetComboPeer()->GetSelectedItem();
 159 }
 160
 161 void wxComboBox::SetSelection(int n)
 162 {
 163     GetComboPeer()->SetSelectedItem(n);
 164 }
 165
 166 void wxComboBox::SetSelection(long from, long to)
 167 {
 168     wxTextEntry::SetSelection(from, to);
 169 }
 170
 171 int wxComboBox::FindString(const wxString& s, bool bCase) const
 172 {
 173     if (!bCase)
 174     {
 175         for (int i = 0; i < GetCount(); i++)
 176         {
 177             if (s.IsSameAs(GetString(i), false))
 178                 return i;
 179         }
 180         return wxNOT_FOUND;
 181     }
 182
 183     return GetComboPeer()->FindString(s);
 184 }
 185
 186 wxString wxComboBox::GetString(unsigned int n) const
 187 {
 188     return GetComboPeer()->GetStringAtIndex(n);
 189 }
 190
 191 wxString wxComboBox::GetStringSelection() const
 192 {
 193     return GetString(GetSelection());
 194 }
 195
 196 void wxComboBox::SetString(unsigned int n, const wxString& s)
 197 {
 198     Delete(n);
 199     Insert(s, n);
 200     SetValue(s); // changing the item in the list won't update the display item
 201 }
 202
 203 void wxComboBox::EnableTextChangedEvents(bool enable)
 204 {
 205     wxFAIL_MSG("Method Not Implemented.");
 206 }
 207
 208 bool wxComboBox::OSXHandleClicked( double timestampsec )
 209 {
 210     wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, m_windowId );
 211     event.SetInt(GetSelection());
 212     event.SetEventObject(this);
 213     event.SetString(GetStringSelection());
 214     ProcessCommand(event);
 215     return true;
 216 }
 217
 218 wxTextWidgetImpl* wxComboBox::GetTextPeer() const
 219 {
 220     return dynamic_cast<wxTextWidgetImpl*> (m_peer);
 221 }
 222
 223 wxComboWidgetImpl* wxComboBox::GetComboPeer() const
 224 {
 225     return dynamic_cast<wxComboWidgetImpl*> (m_peer);
 226 }
 227
 228 #endif // wxUSE_COMBOBOX && wxOSX_USE_COCOA