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:      $Id$
   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 wxComboBox::~wxComboBox()
  25 {
  26 }
  27
  28 void wxComboBox::Init()
  29 {
  30 }
  31
  32 bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
  33            const wxString& value,
  34            const wxPoint& pos,
  35            const wxSize& size,
  36            const wxArrayString& choices,
  37            long style,
  38            const wxValidator& validator,
  39            const wxString& name)
  40 {
  41     wxCArrayString chs( choices );
  42
  43     return Create( parent, id, value, pos, size, chs.GetCount(),
  44                    chs.GetStrings(), style, validator, name );
  45 }
  46
  47 bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
  48            const wxString& value,
  49            const wxPoint& pos,
  50            const wxSize& size,
  51            int n, const wxString choices[],
  52            long style,
  53            const wxValidator& validator,
  54            const wxString& name)
  55 {
  56     DontCreatePeer();
  57
  58     m_text = NULL;
  59     m_choice = NULL;
  60
  61     if ( !wxControl::Create( parent, id, pos, size, style, validator, name ) )
  62         return false;
  63
  64     wxASSERT_MSG( !(style & wxCB_SORT),
  65                   "wxCB_SORT not currently supported by wxOSX/Cocoa");
  66
  67     SetPeer(wxWidgetImpl::CreateComboBox( this, parent, id, NULL, pos, size, style, GetExtraStyle() ));
  68
  69     MacPostControlCreate( pos, size );
  70
  71     Append(n, choices);
  72
  73     // Set up the initial value, by default the first item is selected.
  74     if ( !value.empty() )
  75         SetValue(value);
  76     else 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     GetPeer()->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     m_datas[n] = (char*)clientData ;
 124 }
 125
 126 void * wxComboBox::DoGetItemClientData(unsigned int n) const
 127 {
 128     return (void *)m_datas[n];
 129 }
 130
 131 unsigned int wxComboBox::GetCount() const
 132 {
 133     return GetComboPeer()->GetNumberOfItems();
 134 }
 135
 136 void wxComboBox::DoDeleteOneItem(unsigned int n)
 137 {
 138     GetComboPeer()->RemoveItem(n);
 139 }
 140
 141 void wxComboBox::DoClear()
 142 {
 143     GetComboPeer()->Clear();
 144 }
 145
 146 void wxComboBox::GetSelection(long *from, long *to) const
 147 {
 148     wxTextEntry::GetSelection(from, to);
 149 }
 150
 151 int wxComboBox::GetSelection() const
 152 {
 153     return GetComboPeer()->GetSelectedItem();
 154 }
 155
 156 void wxComboBox::SetSelection(int n)
 157 {
 158     GetComboPeer()->SetSelectedItem(n);
 159 }
 160
 161 void wxComboBox::SetSelection(long from, long to)
 162 {
 163     wxTextEntry::SetSelection(from, to);
 164 }
 165
 166 int wxComboBox::FindString(const wxString& s, bool bCase) const
 167 {
 168     if (!bCase)
 169     {
 170         for (unsigned i = 0; i < GetCount(); i++)
 171         {
 172             if (s.IsSameAs(GetString(i), false))
 173                 return i;
 174         }
 175         return wxNOT_FOUND;
 176     }
 177
 178     return GetComboPeer()->FindString(s);
 179 }
 180
 181 wxString wxComboBox::GetString(unsigned int n) const
 182 {
 183     wxCHECK_MSG( n < GetCount(), wxString(), "Invalid combobox index" );
 184
 185     return GetComboPeer()->GetStringAtIndex(n);
 186 }
 187
 188 wxString wxComboBox::GetStringSelection() const
 189 {
 190     const int sel = GetSelection();
 191     return sel == wxNOT_FOUND ? wxString() : GetString(sel);
 192 }
 193
 194 void wxComboBox::SetString(unsigned int n, const wxString& s)
 195 {
 196     Delete(n);
 197     Insert(s, n);
 198     SetValue(s); // changing the item in the list won't update the display item
 199 }
 200
 201 void wxComboBox::EnableTextChangedEvents(bool WXUNUSED(enable))
 202 {
 203     // nothing to do here, events are never generated when we change the
 204     // control value programmatically anyhow by Cocoa
 205 }
 206
 207 bool wxComboBox::OSXHandleClicked( double WXUNUSED(timestampsec) )
 208 {
 209     wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, m_windowId );
 210     event.SetInt(GetSelection());
 211     event.SetEventObject(this);
 212     event.SetString(GetStringSelection());
 213     ProcessCommand(event);
 214     return true;
 215 }
 216
 217 wxComboWidgetImpl* wxComboBox::GetComboPeer() const
 218 {
 219     return dynamic_cast<wxComboWidgetImpl*> (GetPeer());
 220 }
 221
 222 #endif // wxUSE_COMBOBOX && wxOSX_USE_COCOA