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
  61     wxASSERT_MSG( !(style & wxLB_MULTIPLE) || !(style & wxLB_EXTENDED),
  62                   wxT("only one of listbox selection modes can be specified") );
  63
  64     if ( !wxCheckListBoxBase::Create( parent, id, pos, size, n, choices, style & ~(wxHSCROLL | wxVSCROLL), validator, name ) )
  65         return false;
  66
  67     int colwidth = 30;
  68     // TODO adapt the width according to the window variant
  69     m_checkColumn = GetListPeer()->InsertCheckColumn(0, wxEmptyString, true, wxALIGN_CENTER, colwidth);
  70
  71     return true;
  72 }
  73
  74 // ----------------------------------------------------------------------------
  75 // wxCheckListBox functions
  76 // ----------------------------------------------------------------------------
  77
  78 // ----------------------------------------------------------------------------
  79 // wxCheckListBox functions
  80 // ----------------------------------------------------------------------------
  81
  82 bool wxCheckListBox::IsChecked(unsigned int n) const
  83 {
  84     wxCHECK_MSG( IsValid(n), false,
  85                  wxT("invalid index in wxCheckListBox::IsChecked") );
  86
  87     return m_checks[n] != 0;
  88 }
  89
  90 void wxCheckListBox::Check(unsigned int n, bool check)
  91 {
  92     wxCHECK_RET( IsValid(n),
  93                  wxT("invalid index in wxCheckListBox::Check") );
  94
  95     // intermediate var is needed to avoid compiler warning with VC++
  96     bool isChecked = m_checks[n] != 0;
  97     if ( check != isChecked )
  98     {
  99         m_checks[n] = check;
 100
 101         GetListPeer()->UpdateLine(n);
 102     }
 103 }
 104
 105 void wxCheckListBox::GetValueCallback( unsigned int n, wxListWidgetColumn* col , wxListWidgetCellValue& value )
 106 {
 107     if ( col == m_checkColumn )
 108         value.Check( IsChecked( n ) );
 109     else
 110         wxListBox::GetValueCallback( n, col, value );
 111 }
 112
 113 void wxCheckListBox::SetValueCallback( unsigned int n, wxListWidgetColumn* col , wxListWidgetCellValue& value )
 114 {
 115     if ( col == m_checkColumn )
 116     {
 117         Check( n, value.IsChecked() );
 118
 119         wxCommandEvent event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, GetId() );
 120         event.SetInt( n );
 121         event.SetString( GetString( n ) );
 122         event.SetEventObject( this );
 123         HandleWindowEvent( event );
 124     }
 125 }
 126
 127
 128
 129 // ----------------------------------------------------------------------------
 130 // methods forwarded to wxListBox
 131 // ----------------------------------------------------------------------------
 132
 133 void wxCheckListBox::OnItemInserted(unsigned int pos)
 134 {
 135     wxListBox::OnItemInserted(pos);
 136
 137     m_checks.Insert(false, pos );
 138 }
 139
 140 void wxCheckListBox::DoDeleteOneItem(unsigned int n)
 141 {
 142     wxListBox::DoDeleteOneItem(n);
 143
 144     m_checks.RemoveAt(n);
 145 }
 146
 147 void wxCheckListBox::DoClear()
 148 {
 149     wxListBox::DoClear();
 150
 151     m_checks.Empty();
 152 }
 153
 154 #endif // wxUSE_CHECKLISTBOX