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 // Copyright:   (c) Stefan Csomor
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #include "wx/wxprec.h"
  12
  13 #if wxUSE_COMBOBOX && wxOSX_USE_COCOA
  14
  15 #include "wx/combobox.h"
  16 #include "wx/osx/private.h"
  17
  18 #ifndef WX_PRECOMP
  19 #endif
  20
  21 // work in progress
  22
  23 wxComboBox::~wxComboBox()
  24 {
  25 }
  26
  27 bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
  28            const wxString& value,
  29            const wxPoint& pos,
  30            const wxSize& size,
  31            const wxArrayString& choices,
  32            long style,
  33            const wxValidator& validator,
  34            const wxString& name)
  35 {
  36     wxCArrayString chs( choices );
  37
  38     return Create( parent, id, value, pos, size, chs.GetCount(),
  39                    chs.GetStrings(), style, validator, name );
  40 }
  41
  42 bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
  43            const wxString& value,
  44            const wxPoint& pos,
  45            const wxSize& size,
  46            int n, const wxString choices[],
  47            long style,
  48            const wxValidator& validator,
  49            const wxString& name)
  50 {
  51     DontCreatePeer();
  52
  53     m_text = NULL;
  54     m_choice = NULL;
  55
  56     if ( !wxControl::Create( parent, id, pos, size, style, validator, name ) )
  57         return false;
  58
  59     wxASSERT_MSG( !(style & wxCB_SORT),
  60                   "wxCB_SORT not currently supported by wxOSX/Cocoa");
  61
  62     SetPeer(wxWidgetImpl::CreateComboBox( this, parent, id, NULL, pos, size, style, GetExtraStyle() ));
  63
  64     MacPostControlCreate( pos, size );
  65
  66     Append(n, choices);
  67
  68     // Set up the initial value, by default the first item is selected.
  69     if ( !value.empty() )
  70         SetValue(value);
  71     else if (n > 0)
  72         SetSelection( 0 );
  73
  74     // Needed because it is a wxControlWithItems
  75     SetInitialSize( size );
  76
  77     return true;
  78 }
  79
  80 void wxComboBox::DelegateTextChanged( const wxString& value )
  81 {
  82     SetStringSelection( value );
  83 }
  84
  85 void wxComboBox::DelegateChoice( const wxString& value )
  86 {
  87     SetStringSelection( value );
  88 }
  89
  90 int wxComboBox::DoInsertItems(const wxArrayStringsAdapter& items,
  91                               unsigned int pos,
  92                               void **clientData, wxClientDataType type)
  93 {
  94     const unsigned int numItems = items.GetCount();
  95     for( unsigned int i = 0; i < numItems; ++i, ++pos )
  96     {
  97         unsigned int idx;
  98
  99         idx = pos;
 100         GetComboPeer()->InsertItem( idx, items[i] );
 101
 102         if (idx > m_datas.GetCount())
 103             m_datas.SetCount(idx);
 104         m_datas.Insert( NULL, idx );
 105         AssignNewItemClientData(idx, clientData, i, type);
 106     }
 107
 108     GetPeer()->SetMaximum( GetCount() );
 109
 110     return pos - 1;
 111 }
 112
 113 // ----------------------------------------------------------------------------
 114 // client data
 115 // ----------------------------------------------------------------------------
 116 void wxComboBox::DoSetItemClientData(unsigned int n, void* clientData)
 117 {
 118     m_datas[n] = (char*)clientData ;
 119 }
 120
 121 void * wxComboBox::DoGetItemClientData(unsigned int n) const
 122 {
 123     return (void *)m_datas[n];
 124 }
 125
 126 unsigned int wxComboBox::GetCount() const
 127 {
 128     return GetComboPeer()->GetNumberOfItems();
 129 }
 130
 131 void wxComboBox::DoDeleteOneItem(unsigned int n)
 132 {
 133     m_datas.RemoveAt(n);
 134     GetComboPeer()->RemoveItem(n);
 135 }
 136
 137 void wxComboBox::DoClear()
 138 {
 139     m_datas.Clear();
 140     GetComboPeer()->Clear();
 141 }
 142
 143 void wxComboBox::GetSelection(long *from, long *to) const
 144 {
 145     wxTextEntry::GetSelection(from, to);
 146 }
 147
 148 int wxComboBox::GetSelection() const
 149 {
 150     return GetComboPeer()->GetSelectedItem();
 151 }
 152
 153 void wxComboBox::SetSelection(int n)
 154 {
 155     GetComboPeer()->SetSelectedItem(n);
 156 }
 157
 158 void wxComboBox::SetSelection(long from, long to)
 159 {
 160     wxTextEntry::SetSelection(from, to);
 161 }
 162
 163 int wxComboBox::FindString(const wxString& s, bool bCase) const
 164 {
 165     if (!bCase)
 166     {
 167         for (unsigned i = 0; i < GetCount(); i++)
 168         {
 169             if (s.IsSameAs(GetString(i), false))
 170                 return i;
 171         }
 172         return wxNOT_FOUND;
 173     }
 174
 175     return GetComboPeer()->FindString(s);
 176 }
 177
 178 wxString wxComboBox::GetString(unsigned int n) const
 179 {
 180     wxCHECK_MSG( n < GetCount(), wxString(), "Invalid combobox index" );
 181
 182     return GetComboPeer()->GetStringAtIndex(n);
 183 }
 184
 185 wxString wxComboBox::GetStringSelection() const
 186 {
 187     const int sel = GetSelection();
 188     return sel == wxNOT_FOUND ? wxString() : GetString(sel);
 189 }
 190
 191 void wxComboBox::SetValue(const wxString& value)
 192 {
 193     if ( HasFlag(wxCB_READONLY) )
 194         SetStringSelection( value ) ;
 195     else
 196         wxTextEntry::SetValue( value );
 197 }
 198
 199 void wxComboBox::SetString(unsigned int n, const wxString& s)
 200 {
 201     // Notice that we shouldn't delete and insert the item in this control
 202     // itself as this would also affect the client data which we need to
 203     // preserve here.
 204     GetComboPeer()->RemoveItem(n);
 205     GetComboPeer()->InsertItem(n, s);
 206     SetValue(s); // changing the item in the list won't update the display item
 207 }
 208
 209 void wxComboBox::EnableTextChangedEvents(bool WXUNUSED(enable))
 210 {
 211     // nothing to do here, events are never generated when we change the
 212     // control value programmatically anyhow by Cocoa
 213 }
 214
 215 bool wxComboBox::OSXHandleClicked( double WXUNUSED(timestampsec) )
 216 {
 217     wxCommandEvent event(wxEVT_COMBOBOX, m_windowId );
 218     event.SetInt(GetSelection());
 219     event.SetEventObject(this);
 220     event.SetString(GetStringSelection());
 221     ProcessCommand(event);
 222     return true;
 223 }
 224
 225 wxComboWidgetImpl* wxComboBox::GetComboPeer() const
 226 {
 227     return dynamic_cast<wxComboWidgetImpl*> (GetPeer());
 228 }
 229
 230 void wxComboBox::Popup()
 231 {
 232     GetComboPeer()->Popup();
 233 }
 234
 235 void wxComboBox::Dismiss()
 236 {
 237     GetComboPeer()->Dismiss();
 238 }
 239
 240 #endif // wxUSE_COMBOBOX && wxOSX_USE_COCOA