src/motif/checklst.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/motif/checklst.cpp
   3 // Purpose:     implementation of wxCheckListBox class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // Copyright:   (c) Julian Smart
   8 // Licence:     wxWindows licence
   9 ///////////////////////////////////////////////////////////////////////////////
  10
  11 // ============================================================================
  12 // headers & declarations
  13 // ============================================================================
  14
  15 // For compilers that support precompilation, includes "wx.h".
  16 #include "wx/wxprec.h"
  17
  18 #if wxUSE_CHECKLISTBOX
  19
  20 #include "wx/checklst.h"
  21
  22 #ifndef WX_PRECOMP
  23     #include "wx/arrstr.h"
  24 #endif
  25
  26 // ============================================================================
  27 // implementation
  28 // ============================================================================
  29
  30 // ----------------------------------------------------------------------------
  31 // implementation of wxCheckListBox class
  32 // ----------------------------------------------------------------------------
  33
  34 // define event table
  35 // ------------------
  36 BEGIN_EVENT_TABLE(wxCheckListBox, wxListBox)
  37 END_EVENT_TABLE()
  38
  39 // control creation
  40 // ----------------
  41
  42 static const wxString prefixChecked = "[x] ";
  43 static const wxString prefixUnchecked = "[ ] ";
  44 static const char checkChar = 'x', uncheckChar = ' ';
  45
  46 static inline const wxString& Prefix(bool checked)
  47     { return checked ? prefixChecked : prefixUnchecked; }
  48 static inline bool IsChecked(const wxString& s)
  49     { wxASSERT(s.length() >=4); return s[1] == checkChar; }
  50
  51 // def ctor: use Create() to really create the control
  52 wxCheckListBox::wxCheckListBox() : wxCheckListBoxBase()
  53 {
  54 }
  55
  56 // ctor which creates the associated control
  57 wxCheckListBox::wxCheckListBox(wxWindow *parent, wxWindowID id,
  58                                const wxPoint& pos, const wxSize& size,
  59                                int nStrings, const wxString choices[],
  60                                long style, const wxValidator& val,
  61                                const wxString& name)
  62                                : wxCheckListBoxBase()
  63 {
  64     Create(parent, id, pos, size, nStrings, choices,
  65            style, val, name);
  66 }
  67
  68 wxCheckListBox::wxCheckListBox(wxWindow *parent, wxWindowID id,
  69                                const wxPoint& pos, const wxSize& size,
  70                                const wxArrayString& choices,
  71                                long style, const wxValidator& val,
  72                                const wxString& name)
  73                                : wxCheckListBoxBase()
  74 {
  75     Create(parent, id, pos, size, choices,
  76            style, val, name);
  77 }
  78
  79 bool wxCheckListBox::Create(wxWindow *parent, wxWindowID id,
  80                             const wxPoint& pos,
  81                             const wxSize& size,
  82                             int n, const wxString choices[],
  83                             long style,
  84                             const wxValidator& validator,
  85                             const wxString& name)
  86 {
  87     // wxListBox::Create calls set, which adds the prefixes
  88     bool retVal = wxListBox::Create(parent, id, pos, size, n, choices,
  89                                     style, validator, name);
  90     return retVal;
  91 }
  92
  93 bool wxCheckListBox::Create(wxWindow *parent, wxWindowID id,
  94                             const wxPoint& pos,
  95                             const wxSize& size,
  96                             const wxArrayString& choices,
  97                             long style,
  98                             const wxValidator& validator,
  99                             const wxString& name)
 100 {
 101     // wxListBox::Create calls set, which adds the prefixes
 102     bool retVal = wxListBox::Create(parent, id, pos, size, choices,
 103                                     style, validator, name);
 104     return retVal;
 105 }
 106
 107 // check items
 108 // -----------
 109
 110 bool wxCheckListBox::IsChecked(unsigned int uiIndex) const
 111 {
 112     return ::IsChecked(wxListBox::GetString(uiIndex));
 113 }
 114
 115 void wxCheckListBox::Check(unsigned int uiIndex, bool bCheck)
 116 {
 117     wxString label = wxListBox::GetString(uiIndex);
 118     if(::IsChecked(label) == bCheck) return;
 119     label[1u] = bCheck ? checkChar : uncheckChar;
 120     wxListBox::SetString(uiIndex, label);
 121 }
 122
 123 void wxCheckListBox::DoToggleItem( int n, int x )
 124 {
 125     if( x > 0 && x < 23 )
 126     {
 127         wxString label = wxListBox::GetString(n);
 128         label[1u] = (!::IsChecked(label)) ? checkChar : uncheckChar;
 129         wxListBox::SetString(n, label);
 130
 131         wxCommandEvent event(wxEVT_CHECKLISTBOX, GetId());
 132         if( HasClientObjectData() )
 133             event.SetClientObject( GetClientObject(n) );
 134         else if( HasClientUntypedData() )
 135             event.SetClientData( GetClientData(n) );
 136         event.SetInt(n);
 137         event.SetExtraLong(true);
 138         event.SetEventObject(this);
 139         event.SetString(GetString(n));
 140
 141         HandleWindowEvent(event);
 142     }
 143 }
 144
 145 int wxCheckListBox::FindString(const wxString& s, bool bCase) const
 146 {
 147     int n1 = wxListBox::FindString(Prefix(false) + s, bCase);
 148     int n2 = wxListBox::FindString(Prefix(true) + s, bCase);
 149     int min = wxMin(n1, n2), max = wxMax(n1, n2);
 150
 151     // why this works:
 152     // n1 == -1, n2 == -1 => return -1 OK
 153     // n1 != -1 || n2 != -1 => min == -1 => return the other one
 154     // both != -1 => return the first one.
 155     if( min == -1 ) return max;
 156     return min;
 157 }
 158
 159 void wxCheckListBox::SetString(unsigned int n, const wxString& s)
 160 {
 161     wxListBox::SetString(n, Prefix(IsChecked(n)) + s);
 162 }
 163
 164 wxString wxCheckListBox::GetString(unsigned int n) const
 165 {
 166     return wxListBox::GetString(n).substr(4);
 167 }
 168
 169 int wxCheckListBox::DoInsertItems(const wxArrayStringsAdapter& items,
 170                                   unsigned int pos,
 171                                   void **clientData, wxClientDataType type)
 172 {
 173     wxArrayString copy;
 174     copy.reserve(pos);
 175     for ( size_t i = 0; i < items.GetCount(); ++i )
 176         copy.push_back( Prefix(false) + items[i] );
 177
 178     return wxListBox::DoInsertItems(copy, pos, clientData, type);
 179 }
 180
 181 #endif // wxUSE_CHECKLISTBOX