src/osx/checklst_osx.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/checklst.cpp
   3 // Purpose:     implementation of wxCheckListBox class
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // Copyright:   (c) Stefan Csomor
   8 // Licence:     wxWindows licence
   9 ///////////////////////////////////////////////////////////////////////////////
  10 //
  11 // new DataBrowser-based version
  12
  13
  14 #include "wx/wxprec.h"
  15
  16 #if wxUSE_CHECKLISTBOX
  17
  18 #include "wx/checklst.h"
  19
  20 #ifndef WX_PRECOMP
  21     #include "wx/arrstr.h"
  22 #endif
  23
  24 #include "wx/osx/private.h"
  25
  26 BEGIN_EVENT_TABLE(wxCheckListBox, wxListBox)
  27 END_EVENT_TABLE()
  28
  29 void wxCheckListBox::Init()
  30 {
  31 }
  32
  33 bool wxCheckListBox::Create(
  34     wxWindow *parent,
  35     wxWindowID id,
  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, pos, size, chs.GetCount(), chs.GetStrings(), style, validator, name );
  46 }
  47
  48 bool wxCheckListBox::Create(
  49    wxWindow *parent,
  50    wxWindowID id,
  51    const wxPoint& pos,
  52    const wxSize& size,
  53    int n,
  54    const wxString choices[],
  55    long style,
  56    const wxValidator& validator,
  57    const wxString& name )
  58 {
  59
  60     wxASSERT_MSG( !(style & wxLB_MULTIPLE) || !(style & wxLB_EXTENDED),
  61                   wxT("only one of listbox selection modes can be specified") );
  62
  63     if ( !wxCheckListBoxBase::Create( parent, id, pos, size, n, choices, style & ~(wxHSCROLL | wxVSCROLL), validator, name ) )
  64         return false;
  65
  66     int colwidth = 30;
  67     // TODO adapt the width according to the window variant
  68     m_checkColumn = GetListPeer()->InsertCheckColumn(0, wxEmptyString, true, wxALIGN_CENTER, colwidth);
  69
  70     return true;
  71 }
  72
  73 // ----------------------------------------------------------------------------
  74 // wxCheckListBox functions
  75 // ----------------------------------------------------------------------------
  76
  77 // ----------------------------------------------------------------------------
  78 // wxCheckListBox functions
  79 // ----------------------------------------------------------------------------
  80
  81 bool wxCheckListBox::IsChecked(unsigned int n) const
  82 {
  83     wxCHECK_MSG( IsValid(n), false,
  84                  wxT("invalid index in wxCheckListBox::IsChecked") );
  85
  86     return m_checks[n] != 0;
  87 }
  88
  89 void wxCheckListBox::Check(unsigned int n, bool check)
  90 {
  91     wxCHECK_RET( IsValid(n),
  92                  wxT("invalid index in wxCheckListBox::Check") );
  93
  94     // intermediate var is needed to avoid compiler warning with VC++
  95     bool isChecked = m_checks[n] != 0;
  96     if ( check != isChecked )
  97     {
  98         m_checks[n] = check;
  99
 100         GetListPeer()->UpdateLine(n);
 101     }
 102 }
 103
 104 void wxCheckListBox::GetValueCallback( unsigned int n, wxListWidgetColumn* col , wxListWidgetCellValue& value )
 105 {
 106     if ( col == m_checkColumn )
 107         value.Check( IsChecked( n ) );
 108     else
 109         wxListBox::GetValueCallback( n, col, value );
 110 }
 111
 112 void wxCheckListBox::SetValueCallback( unsigned int n, wxListWidgetColumn* col , wxListWidgetCellValue& value )
 113 {
 114     if ( col == m_checkColumn )
 115     {
 116         Check( n, value.IsChecked() );
 117
 118         wxCommandEvent event( wxEVT_CHECKLISTBOX, GetId() );
 119         event.SetInt( n );
 120         event.SetString( GetString( n ) );
 121         event.SetEventObject( this );
 122         HandleWindowEvent( event );
 123     }
 124 }
 125
 126
 127
 128 // ----------------------------------------------------------------------------
 129 // methods forwarded to wxListBox
 130 // ----------------------------------------------------------------------------
 131
 132 void wxCheckListBox::OnItemInserted(unsigned int pos)
 133 {
 134     wxListBox::OnItemInserted(pos);
 135
 136     m_checks.Insert(false, pos );
 137 }
 138
 139 void wxCheckListBox::DoDeleteOneItem(unsigned int n)
 140 {
 141     wxListBox::DoDeleteOneItem(n);
 142
 143     m_checks.RemoveAt(n);
 144 }
 145
 146 void wxCheckListBox::DoClear()
 147 {
 148     wxListBox::DoClear();
 149
 150     m_checks.Empty();
 151 }
 152
 153 #endif // wxUSE_CHECKLISTBOX