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 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11 //
  12 // new DataBrowser-based version
  13
  14
  15 #include "wx/wxprec.h"
  16
  17 #if wxUSE_CHECKLISTBOX
  18
  19 #include "wx/checklst.h"
  20
  21 #ifndef WX_PRECOMP
  22     #include "wx/arrstr.h"
  23 #endif
  24
  25 #include "wx/osx/private.h"
  26
  27 BEGIN_EVENT_TABLE(wxCheckListBox, wxListBox)
  28 END_EVENT_TABLE()
  29
  30 void wxCheckListBox::Init()
  31 {
  32 }
  33
  34 bool wxCheckListBox::Create(
  35     wxWindow *parent,
  36     wxWindowID id,
  37     const wxPoint &pos,
  38     const wxSize &size,
  39     const wxArrayString& choices,
  40     long style,
  41     const wxValidator& validator,
  42     const wxString &name )
  43 {
  44     wxCArrayString chs( choices );
  45
  46     return Create( parent, id, pos, size, chs.GetCount(), chs.GetStrings(), style, validator, name );
  47 }
  48
  49 bool wxCheckListBox::Create(
  50    wxWindow *parent,
  51    wxWindowID id,
  52    const wxPoint& pos,
  53    const wxSize& size,
  54    int n,
  55    const wxString choices[],
  56    long style,
  57    const wxValidator& validator,
  58    const wxString& name )
  59 {
  60     m_macIsUserPane = false;
  61
  62     wxASSERT_MSG( !(style & wxLB_MULTIPLE) || !(style & wxLB_EXTENDED),
  63                   wxT("only one of listbox selection modes can be specified") );
  64
  65     if ( !wxCheckListBoxBase::Create( parent, id, pos, size, n, choices, style & ~(wxHSCROLL | wxVSCROLL), validator, name ) )
  66         return false;
  67
  68     int colwidth = 30;
  69     // TODO adapt the width according to the window variant
  70     m_checkColumn = GetListPeer()->InsertCheckColumn(0, wxEmptyString, true, wxALIGN_CENTER, colwidth);
  71
  72     return true;
  73 }
  74
  75 // ----------------------------------------------------------------------------
  76 // wxCheckListBox functions
  77 // ----------------------------------------------------------------------------
  78
  79 // ----------------------------------------------------------------------------
  80 // wxCheckListBox functions
  81 // ----------------------------------------------------------------------------
  82
  83 bool wxCheckListBox::IsChecked(unsigned int n) const
  84 {
  85     wxCHECK_MSG( IsValid(n), false,
  86                  wxT("invalid index in wxCheckListBox::IsChecked") );
  87
  88     return m_checks[n] != 0;
  89 }
  90
  91 void wxCheckListBox::Check(unsigned int n, bool check)
  92 {
  93     wxCHECK_RET( IsValid(n),
  94                  wxT("invalid index in wxCheckListBox::Check") );
  95
  96     // intermediate var is needed to avoid compiler warning with VC++
  97     bool isChecked = m_checks[n] != 0;
  98     if ( check != isChecked )
  99     {
 100         m_checks[n] = check;
 101
 102         GetListPeer()->UpdateLine(n);
 103     }
 104 }
 105
 106 void wxCheckListBox::GetValueCallback( unsigned int n, wxListWidgetColumn* col , wxListWidgetCellValue& value )
 107 {
 108     if ( col == m_checkColumn )
 109         value.Check( IsChecked( n ) );
 110     else
 111         wxListBox::GetValueCallback( n, col, value );
 112 }
 113
 114 void wxCheckListBox::SetValueCallback( unsigned int n, wxListWidgetColumn* col , wxListWidgetCellValue& value )
 115 {
 116     if ( col == m_checkColumn )
 117     {
 118         Check( n, value.IsChecked() );
 119
 120         wxCommandEvent event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, GetId() );
 121         event.SetInt( n );
 122         event.SetString( GetString( n ) );
 123         event.SetEventObject( this );
 124         HandleWindowEvent( event );
 125     }
 126 }
 127
 128
 129
 130 // ----------------------------------------------------------------------------
 131 // methods forwarded to wxListBox
 132 // ----------------------------------------------------------------------------
 133
 134 void wxCheckListBox::OnItemInserted(unsigned int pos)
 135 {
 136     wxListBox::OnItemInserted(pos);
 137
 138     m_checks.Insert(false, pos );
 139 }
 140
 141 void wxCheckListBox::DoDeleteOneItem(unsigned int n)
 142 {
 143     wxListBox::DoDeleteOneItem(n);
 144
 145     m_checks.RemoveAt(n);
 146 }
 147
 148 void wxCheckListBox::DoClear()
 149 {
 150     wxListBox::DoClear();
 151
 152     m_checks.Empty();
 153 }
 154
 155 #endif // wxUSE_CHECKLISTBOX