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_READONLY),
  67                   "wxCB_READONLY not supported, use wxChoice instead" );
  68
  69     wxASSERT_MSG( !(style & wxCB_SORT),
  70                   "wxCB_SORT not currently supported by wxOSX/Cocoa");
  71
  72     m_peer = wxWidgetImpl::CreateComboBox( this, parent, id, NULL, pos, size, style, GetExtraStyle() );
  73
  74     MacPostControlCreate( pos, size );
  75
  76     Append(n, choices);
  77
  78     // Set the first item as being selected
  79     if (n > 0)
  80         SetSelection( 0 );
  81
  82     // Needed because it is a wxControlWithItems
  83     SetInitialSize( size );
  84
  85     return true;
  86 }
  87
  88 void wxComboBox::DelegateTextChanged( const wxString& value )
  89 {
  90     SetStringSelection( value );
  91 }
  92
  93 void wxComboBox::DelegateChoice( const wxString& value )
  94 {
  95     SetStringSelection( value );
  96 }
  97
  98 int wxComboBox::DoInsertItems(const wxArrayStringsAdapter& items,
  99                               unsigned int pos,
 100                               void **clientData, wxClientDataType type)
 101 {
 102     const unsigned int numItems = items.GetCount();
 103     for( unsigned int i = 0; i < numItems; ++i, ++pos )
 104     {
 105         unsigned int idx;
 106
 107         idx = pos;
 108         GetComboPeer()->InsertItem( idx, items[i] );
 109
 110         if (idx > m_datas.GetCount())
 111             m_datas.SetCount(idx);
 112         m_datas.Insert( NULL, idx );
 113         AssignNewItemClientData(idx, clientData, i, type);
 114     }
 115
 116     m_peer->SetMaximum( GetCount() );
 117
 118     return pos - 1;
 119 }
 120
 121 // ----------------------------------------------------------------------------
 122 // client data
 123 // ----------------------------------------------------------------------------
 124 void wxComboBox::DoSetItemClientData(unsigned int n, void* clientData)
 125 {
 126     wxCHECK_RET( IsValid(n), "invalid index" );
 127
 128     m_datas[n] = (char*)clientData ;
 129 }
 130
 131 void * wxComboBox::DoGetItemClientData(unsigned int n) const
 132 {
 133     wxCHECK_MSG( IsValid(n), NULL, "invalid index" );
 134
 135     return (void *)m_datas[n];
 136 }
 137
 138 unsigned int wxComboBox::GetCount() const
 139 {
 140     return GetComboPeer()->GetNumberOfItems();
 141 }
 142
 143 void wxComboBox::DoDeleteOneItem(unsigned int n)
 144 {
 145     GetComboPeer()->RemoveItem(n);
 146 }
 147
 148 void wxComboBox::DoClear()
 149 {
 150     GetComboPeer()->Clear();
 151     SetValue(wxEmptyString);
 152 }
 153
 154 void wxComboBox::GetSelection(long *from, long *to) const
 155 {
 156     wxTextEntry::GetSelection(from, to);
 157 }
 158
 159 int wxComboBox::GetSelection() const
 160 {
 161     return GetComboPeer()->GetSelectedItem();
 162 }
 163
 164 void wxComboBox::SetSelection(int n)
 165 {
 166     GetComboPeer()->SetSelectedItem(n);
 167 }
 168
 169 void wxComboBox::SetSelection(long from, long to)
 170 {
 171     wxTextEntry::SetSelection(from, to);
 172 }
 173
 174 int wxComboBox::FindString(const wxString& s, bool bCase) const
 175 {
 176     wxASSERT_MSG(bCase, "wxComboBox::FindString() doesn't currently support case "
 177                   "insensitive search in wxOSX/Cocoa");
 178
 179     return GetComboPeer()->FindString(s);
 180 }
 181
 182 wxString wxComboBox::GetString(unsigned int n) const
 183 {
 184     return GetComboPeer()->GetStringAtIndex(n);
 185 }
 186
 187 wxString wxComboBox::GetStringSelection() const
 188 {
 189     return GetString(GetSelection());
 190 }
 191
 192 void wxComboBox::SetString(unsigned int n, const wxString& s)
 193 {
 194     Delete(n);
 195     Insert(s, n);
 196     SetValue(s); // changing the item in the list won't update the display item
 197 }
 198
 199 void wxComboBox::EnableTextChangedEvents(bool enable)
 200 {
 201     wxFAIL_MSG("Method Not Implemented.");
 202 }
 203
 204 bool wxComboBox::OSXHandleClicked( double timestampsec )
 205 {
 206     wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, m_windowId );
 207     event.SetInt(GetSelection());
 208     event.SetEventObject(this);
 209     event.SetString(GetStringSelection());
 210     ProcessCommand(event);
 211     return true;
 212 }
 213
 214 wxTextWidgetImpl* wxComboBox::GetTextPeer() const
 215 {
 216     return dynamic_cast<wxTextWidgetImpl*> (m_peer);
 217 }
 218
 219 wxComboWidgetImpl* wxComboBox::GetComboPeer() const
 220 {
 221     return dynamic_cast<wxComboWidgetImpl*> (m_peer);
 222 }
 223
 224 #endif // wxUSE_COMBOBOX && wxOSX_USE_COCOA