src/mac/carbon/choice.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        choice.cpp
   3 // Purpose:     wxChoice
   4 // Author:      AUTHOR
   5 // Modified by:
   6 // Created:     ??/??/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) AUTHOR
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "choice.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/choice.h"
  18 #include "wx/menu.h"
  19 #include "wx/mac/uma.h"
  20
  21 #if !USE_SHARED_LIBRARY
  22 IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControl)
  23 #endif
  24
  25 short nextMenuId = 100 ; // wxMenu takes the lower ids
  26
  27 wxChoice::~wxChoice()
  28 {
  29         // DeleteMenu( m_macPopUpMenuId ) ;
  30         // DisposeMenu( m_macPopUpMenuHandle ) ;
  31 }
  32
  33 bool wxChoice::Create(wxWindow *parent, wxWindowID id,
  34            const wxPoint& pos,
  35            const wxSize& size,
  36                    int n, const wxString choices[],
  37                    long style,
  38            const wxValidator& validator,
  39            const wxString& name)
  40 {
  41
  42                 Rect bounds ;
  43                 Str255 title ;
  44
  45                 MacPreControlCreate( parent , id ,  "" , pos , size ,style, validator , name , &bounds , title ) ;
  46
  47                 m_macControl = UMANewControl( parent->GetMacRootWindow() , &bounds , title , false , 0 , -12345 , 0 ,
  48                 kControlPopupButtonProc + kControlPopupFixedWidthVariant , (long) this ) ;
  49
  50                 m_macPopUpMenuHandle =  NewMenu( 1 , "\pPopUp Menu" ) ;
  51                 SetControlData( m_macControl , kControlNoPart , kControlPopupButtonMenuHandleTag , sizeof( MenuHandle ) , (char*) &m_macPopUpMenuHandle) ;
  52                 SetControlMinimum( m_macControl , 0 ) ;
  53                 SetControlMaximum( m_macControl , 0) ;
  54                 if ( n > 0 )
  55                         SetControlValue( m_macControl , 1 ) ;
  56
  57                 MacPostControlCreate() ;
  58
  59     for ( int i = 0; i < n; i++ )
  60     {
  61         Append(choices[i]);
  62     }
  63         return TRUE;
  64 }
  65
  66 // ----------------------------------------------------------------------------
  67 // adding/deleting items to/from the list
  68 // ----------------------------------------------------------------------------
  69
  70 int wxChoice::DoAppend(const wxString& item)
  71 {
  72         Str255 label;
  73         wxMenuItem::MacBuildMenuString( label , NULL , NULL , item ,false);
  74         AppendMenu( m_macPopUpMenuHandle , label ) ;
  75         m_strings.Add( item ) ;
  76         m_datas.Add( NULL ) ;
  77         int index = m_strings.GetCount()  - 1  ;
  78         DoSetItemClientData( index , NULL ) ;
  79         SetControlMaximum( m_macControl , Number()) ;
  80         return index ;
  81 }
  82
  83 void wxChoice::Delete(int n)
  84 {
  85     wxCHECK_RET( n < GetCount(), wxT("invalid item index in wxChoice::Delete") );
  86
  87     if ( HasClientObjectData() )
  88     {
  89         delete GetClientObject(n);
  90     }
  91
  92     ::DeleteMenuItem( m_macPopUpMenuHandle , n + 1) ;
  93     m_strings.Remove( n ) ;
  94     m_datas.Remove( n ) ;
  95         SetControlMaximum( m_macControl , Number()) ;
  96 }
  97
  98 void wxChoice::Clear()
  99 {
 100     Free();
 101
 102     for ( int i = 0 ; i < GetCount() ; i++ )
 103     {
 104         ::DeleteMenuItem( m_macPopUpMenuHandle , 1 ) ;
 105           }
 106     m_strings.Empty() ;
 107     m_datas.Empty() ;
 108         SetControlMaximum( m_macControl , 0 ) ;
 109 }
 110
 111 void wxChoice::Free()
 112 {
 113     if ( HasClientObjectData() )
 114     {
 115         size_t count = GetCount();
 116         for ( size_t n = 0; n < count; n++ )
 117         {
 118             delete GetClientObject(n);
 119         }
 120     }
 121 }
 122
 123 // ----------------------------------------------------------------------------
 124 // selection
 125 // ----------------------------------------------------------------------------
 126
 127 int wxChoice::GetSelection() const
 128 {
 129     return GetControlValue( m_macControl ) -1 ;
 130 }
 131
 132 void wxChoice::SetSelection(int n)
 133 {
 134     SetControlValue( m_macControl , n + 1 ) ;
 135 }
 136
 137 // ----------------------------------------------------------------------------
 138 // string list functions
 139 // ----------------------------------------------------------------------------
 140
 141 int wxChoice::GetCount() const
 142 {
 143     return m_strings.GetCount() ;
 144 }
 145
 146 int wxChoice::FindString(const wxString& s) const
 147 {
 148     for( int i = 0 ; i < GetCount() ; i++ )
 149     {
 150         if ( GetString( i ).IsSameAs(s, FALSE) )
 151                 return i ;
 152     }
 153     return wxNOT_FOUND ;
 154 }
 155
 156 void wxChoice::SetString(int n, const wxString& s)
 157 {
 158     wxFAIL_MSG(wxT("not implemented"));
 159
 160 #if 0 // should do this, but no Insert() so far
 161     Delete(n);
 162     Insert(n + 1, s);
 163 #endif
 164 }
 165
 166
 167 wxString wxChoice::GetString(int n) const
 168 {
 169         return m_strings[n] ;
 170 }
 171
 172 // ----------------------------------------------------------------------------
 173 // client data
 174 // ----------------------------------------------------------------------------
 175
 176 void wxChoice::DoSetItemClientData( int n, void* clientData )
 177 {
 178     wxCHECK_RET( n >= 0 && n < m_datas.GetCount(),
 179                  "invalid index in wxChoice::SetClientData" );
 180         wxASSERT_MSG( m_datas.GetCount() >= n , "invalid client_data array" ) ;
 181
 182         if ( m_datas.GetCount() > n )
 183         {
 184         m_datas[n] = (char*) clientData ;
 185     }
 186     else
 187     {
 188         m_datas.Add( (char*) clientData ) ;
 189     }
 190 }
 191
 192 void *wxChoice::DoGetItemClientData(int N) const
 193 {
 194     wxCHECK_MSG( N >= 0 && N < m_datas.GetCount(), NULL,
 195                  "invalid index in wxChoice::GetClientData" );
 196
 197     return (void *)m_datas[N];
 198 }
 199
 200 void wxChoice::DoSetItemClientObject( int n, wxClientData* clientData )
 201 {
 202     DoSetItemClientData(n, clientData);
 203 }
 204
 205 wxClientData* wxChoice::DoGetItemClientObject( int n ) const
 206 {
 207     return (wxClientData *)DoGetItemClientData(n);
 208 }
 209
 210 void wxChoice::MacHandleControlClick( ControlHandle control , SInt16 controlpart )
 211 {
 212     wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, m_windowId );
 213           event.SetInt(GetSelection());
 214     event.SetEventObject(this);
 215     event.SetString(GetStringSelection());
 216     ProcessCommand(event);
 217 }
 218 /*
 219 void wxChoice::Command(wxCommandEvent & event)
 220 {
 221     SetSelection (event.GetInt());
 222     ProcessCommand (event);
 223 }
 224 */