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     m_text = NULL;
  57     m_choice = NULL;
  58
  59     m_macIsUserPane = false;
  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     m_peer = 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     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 }
 149
 150 void wxComboBox::GetSelection(long *from, long *to) const
 151 {
 152     wxTextEntry::GetSelection(from, to);
 153 }
 154
 155 int wxComboBox::GetSelection() const
 156 {
 157     return GetComboPeer()->GetSelectedItem();
 158 }
 159
 160 void wxComboBox::SetSelection(int n)
 161 {
 162     GetComboPeer()->SetSelectedItem(n);
 163 }
 164
 165 void wxComboBox::SetSelection(long from, long to)
 166 {
 167     wxTextEntry::SetSelection(from, to);
 168 }
 169
 170 int wxComboBox::FindString(const wxString& s, bool bCase) const
 171 {
 172     if (!bCase)
 173     {
 174         for (unsigned i = 0; i < GetCount(); i++)
 175         {
 176             if (s.IsSameAs(GetString(i), false))
 177                 return i;
 178         }
 179         return wxNOT_FOUND;
 180     }
 181
 182     return GetComboPeer()->FindString(s);
 183 }
 184
 185 wxString wxComboBox::GetString(unsigned int n) const
 186 {
 187     wxCHECK_MSG( n < GetCount(), wxString(), "Invalid combobox index" );
 188
 189     return GetComboPeer()->GetStringAtIndex(n);
 190 }
 191
 192 wxString wxComboBox::GetStringSelection() const
 193 {
 194     const int sel = GetSelection();
 195     return sel == wxNOT_FOUND ? wxString() : GetString(sel);
 196 }
 197
 198 void wxComboBox::SetString(unsigned int n, const wxString& s)
 199 {
 200     Delete(n);
 201     Insert(s, n);
 202     SetValue(s); // changing the item in the list won't update the display item
 203 }
 204
 205 void wxComboBox::EnableTextChangedEvents(bool WXUNUSED(enable))
 206 {
 207     // nothing to do here, events are never generated when we change the
 208     // control value programmatically anyhow by Cocoa
 209 }
 210
 211 bool wxComboBox::OSXHandleClicked( double WXUNUSED(timestampsec) )
 212 {
 213     wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, m_windowId );
 214     event.SetInt(GetSelection());
 215     event.SetEventObject(this);
 216     event.SetString(GetStringSelection());
 217     ProcessCommand(event);
 218     return true;
 219 }
 220
 221 wxComboWidgetImpl* wxComboBox::GetComboPeer() const
 222 {
 223     return dynamic_cast<wxComboWidgetImpl*> (m_peer);
 224 }
 225
 226 #endif // wxUSE_COMBOBOX && wxOSX_USE_COCOA