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 IMPLEMENT_DYNAMIC_CLASS(wxCheckListBox, wxListBox)
  28
  29 BEGIN_EVENT_TABLE(wxCheckListBox, wxListBox)
  30 END_EVENT_TABLE()
  31
  32 void wxCheckListBox::Init()
  33 {
  34 }
  35
  36 bool wxCheckListBox::Create(
  37     wxWindow *parent,
  38     wxWindowID id,
  39     const wxPoint &pos,
  40     const wxSize &size,
  41     const wxArrayString& choices,
  42     long style,
  43     const wxValidator& validator,
  44     const wxString &name )
  45 {
  46     wxCArrayString chs( choices );
  47
  48     return Create( parent, id, pos, size, chs.GetCount(), chs.GetStrings(), style, validator, name );
  49 }
  50
  51 bool wxCheckListBox::Create(
  52    wxWindow *parent,
  53    wxWindowID id,
  54    const wxPoint& pos,
  55    const wxSize& size,
  56    int n,
  57    const wxString choices[],
  58    long style,
  59    const wxValidator& validator,
  60    const wxString& name )
  61 {
  62     m_macIsUserPane = false;
  63
  64     wxASSERT_MSG( !(style & wxLB_MULTIPLE) || !(style & wxLB_EXTENDED),
  65                   wxT("only one of listbox selection modes can be specified") );
  66
  67     if ( !wxCheckListBoxBase::Create( parent, id, pos, size, n, choices, style & ~(wxHSCROLL | wxVSCROLL), validator, name ) )
  68         return false;
  69
  70     int colwidth = 30;
  71     // TODO adapt the width according to the window variant
  72     m_checkColumn = GetListPeer()->InsertCheckColumn(0, wxEmptyString, true, wxALIGN_CENTER, colwidth);
  73
  74     return true;
  75 }
  76
  77 // ----------------------------------------------------------------------------
  78 // wxCheckListBox functions
  79 // ----------------------------------------------------------------------------
  80
  81 // ----------------------------------------------------------------------------
  82 // wxCheckListBox functions
  83 // ----------------------------------------------------------------------------
  84
  85 bool wxCheckListBox::IsChecked(unsigned int n) const
  86 {
  87     wxCHECK_MSG( IsValid(n), false,
  88                  wxT("invalid index in wxCheckListBox::IsChecked") );
  89
  90     return m_checks[n] != 0;
  91 }
  92
  93 void wxCheckListBox::Check(unsigned int n, bool check)
  94 {
  95     wxCHECK_RET( IsValid(n),
  96                  wxT("invalid index in wxCheckListBox::Check") );
  97
  98     // intermediate var is needed to avoid compiler warning with VC++
  99     bool isChecked = m_checks[n] != 0;
 100     if ( check != isChecked )
 101     {
 102         m_checks[n] = check;
 103
 104         GetListPeer()->UpdateLine(n);
 105     }
 106 }
 107
 108 void wxCheckListBox::GetValueCallback( unsigned int n, wxListWidgetColumn* col , wxListWidgetCellValue& value )
 109 {
 110     if ( col == m_checkColumn )
 111         value.Check( IsChecked( n ) );
 112     else
 113         wxListBox::GetValueCallback( n, col, value );
 114 }
 115
 116 void wxCheckListBox::SetValueCallback( unsigned int n, wxListWidgetColumn* col , wxListWidgetCellValue& value )
 117 {
 118     if ( col == m_checkColumn )
 119     {
 120         Check( n, value.IsChecked() );
 121
 122         wxCommandEvent event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, GetId() );
 123         event.SetInt( n );
 124         event.SetString( GetString( n ) );
 125         event.SetEventObject( this );
 126         HandleWindowEvent( event );
 127     }
 128 }
 129
 130
 131
 132 // ----------------------------------------------------------------------------
 133 // methods forwarded to wxListBox
 134 // ----------------------------------------------------------------------------
 135
 136 void wxCheckListBox::OnItemInserted(unsigned int pos)
 137 {
 138     wxListBox::OnItemInserted(pos);
 139
 140     m_checks.Insert(false, pos );
 141 }
 142
 143 void wxCheckListBox::DoDeleteOneItem(unsigned int n)
 144 {
 145     wxListBox::DoDeleteOneItem(n);
 146
 147     m_checks.RemoveAt(n);
 148 }
 149
 150 void wxCheckListBox::DoClear()
 151 {
 152     wxListBox::DoClear();
 153
 154     m_checks.Empty();
 155 }
 156
 157 #endif // wxUSE_CHECKLISTBOX