src/mac/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 #include "wx/defs.h"
  17
  18 #include "wx/choice.h"
  19 #include "wx/menu.h"
  20 #include "wx/mac/uma.h"
  21
  22 #if !USE_SHARED_LIBRARY
  23 IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControl)
  24 #endif
  25
  26 extern MenuHandle NewUniqueMenu() ;
  27
  28 wxChoice::~wxChoice()
  29 {
  30         // DeleteMenu( m_macPopUpMenuId ) ;
  31         // DisposeMenu( m_macPopUpMenuHandle ) ;
  32 }
  33
  34 bool wxChoice::Create(wxWindow *parent, wxWindowID id,
  35            const wxPoint& pos,
  36            const wxSize& size,
  37                    int n, const wxString choices[],
  38                    long style,
  39            const wxValidator& validator,
  40            const wxString& name)
  41 {
  42
  43                 Rect bounds ;
  44                 Str255 title ;
  45
  46                 MacPreControlCreate( parent , id ,  "" , pos , size ,style, validator , name , &bounds , title ) ;
  47
  48                 m_macControl = ::NewControl( parent->MacGetRootWindow() , &bounds , title , false , 0 , -12345 , 0 ,
  49                 kControlPopupButtonProc + kControlPopupFixedWidthVariant , (long) this ) ;
  50
  51                 m_macPopUpMenuHandle =  NewUniqueMenu() ;
  52                 SetControlData( m_macControl , kControlNoPart , kControlPopupButtonMenuHandleTag , sizeof( MenuHandle ) , (char*) &m_macPopUpMenuHandle) ;
  53                 SetControlMinimum( m_macControl , 0 ) ;
  54                 SetControlMaximum( m_macControl , 0) ;
  55                 if ( n > 0 )
  56                         SetControlValue( m_macControl , 1 ) ;
  57
  58                 MacPostControlCreate() ;
  59
  60     for ( int i = 0; i < n; i++ )
  61     {
  62         Append(choices[i]);
  63     }
  64         return TRUE;
  65 }
  66
  67 // ----------------------------------------------------------------------------
  68 // adding/deleting items to/from the list
  69 // ----------------------------------------------------------------------------
  70
  71 int wxChoice::DoAppend(const wxString& item)
  72 {
  73         Str255 label;
  74         wxMenuItem::MacBuildMenuString( label , NULL , NULL , item ,false);
  75         AppendMenu( m_macPopUpMenuHandle , label ) ;
  76         m_strings.Add( item ) ;
  77         m_datas.Add( NULL ) ;
  78         int index = m_strings.GetCount()  - 1  ;
  79         DoSetItemClientData( index , NULL ) ;
  80         SetControlMaximum( m_macControl , GetCount()) ;
  81         return index ;
  82 }
  83
  84 void wxChoice::Delete(int n)
  85 {
  86     wxCHECK_RET( n < GetCount(), wxT("invalid item index in wxChoice::Delete") );
  87
  88     if ( HasClientObjectData() )
  89     {
  90         delete GetClientObject(n);
  91     }
  92
  93     ::DeleteMenuItem( m_macPopUpMenuHandle , n + 1) ;
  94     m_strings.Remove( n ) ;
  95     m_datas.RemoveAt( n ) ;
  96         SetControlMaximum( m_macControl , GetCount()) ;
  97 }
  98
  99 void wxChoice::Clear()
 100 {
 101     Free();
 102
 103     for ( int i = 0 ; i < GetCount() ; i++ )
 104     {
 105         ::DeleteMenuItem( m_macPopUpMenuHandle , 1 ) ;
 106           }
 107     m_strings.Empty() ;
 108     m_datas.Empty() ;
 109         SetControlMaximum( m_macControl , 0 ) ;
 110 }
 111
 112 void wxChoice::Free()
 113 {
 114     if ( HasClientObjectData() )
 115     {
 116         size_t count = GetCount();
 117         for ( size_t n = 0; n < count; n++ )
 118         {
 119             delete GetClientObject(n);
 120         }
 121     }
 122 }
 123
 124 // ----------------------------------------------------------------------------
 125 // selection
 126 // ----------------------------------------------------------------------------
 127
 128 int wxChoice::GetSelection() const
 129 {
 130     return GetControlValue( m_macControl ) -1 ;
 131 }
 132
 133 void wxChoice::SetSelection(int n)
 134 {
 135     SetControlValue( m_macControl , n + 1 ) ;
 136 }
 137
 138 // ----------------------------------------------------------------------------
 139 // string list functions
 140 // ----------------------------------------------------------------------------
 141
 142 int wxChoice::GetCount() const
 143 {
 144     return m_strings.GetCount() ;
 145 }
 146
 147 int wxChoice::FindString(const wxString& s) const
 148 {
 149     for( int i = 0 ; i < GetCount() ; i++ )
 150     {
 151         if ( GetString( i ).IsSameAs(s, FALSE) )
 152                 return i ;
 153     }
 154     return wxNOT_FOUND ;
 155 }
 156
 157 void wxChoice::SetString(int n, const wxString& s)
 158 {
 159     wxFAIL_MSG(wxT("not implemented"));
 160
 161 #if 0 // should do this, but no Insert() so far
 162     Delete(n);
 163     Insert(n + 1, s);
 164 #endif
 165 }
 166
 167
 168 wxString wxChoice::GetString(int n) const
 169 {
 170         return m_strings[n] ;
 171 }
 172
 173 // ----------------------------------------------------------------------------
 174 // client data
 175 // ----------------------------------------------------------------------------
 176
 177 void wxChoice::DoSetItemClientData( int n, void* clientData )
 178 {
 179     wxCHECK_RET( n >= 0 && n < m_datas.GetCount(),
 180                  "invalid index in wxChoice::SetClientData" );
 181         wxASSERT_MSG( m_datas.GetCount() >= n , "invalid client_data array" ) ;
 182
 183         if ( m_datas.GetCount() > n )
 184         {
 185         m_datas[n] = (char*) clientData ;
 186     }
 187     else
 188     {
 189         m_datas.Add( (char*) clientData ) ;
 190     }
 191 }
 192
 193 void *wxChoice::DoGetItemClientData(int N) const
 194 {
 195     wxCHECK_MSG( N >= 0 && N < m_datas.GetCount(), NULL,
 196                  "invalid index in wxChoice::GetClientData" );
 197
 198     return (void *)m_datas[N];
 199 }
 200
 201 void wxChoice::DoSetItemClientObject( int n, wxClientData* clientData )
 202 {
 203     DoSetItemClientData(n, clientData);
 204 }
 205
 206 wxClientData* wxChoice::DoGetItemClientObject( int n ) const
 207 {
 208     return (wxClientData *)DoGetItemClientData(n);
 209 }
 210
 211 void wxChoice::MacHandleControlClick( ControlHandle control , SInt16 controlpart )
 212 {
 213     wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, m_windowId );
 214           event.SetInt(GetSelection());
 215     event.SetEventObject(this);
 216     event.SetString(GetStringSelection());
 217     ProcessCommand(event);
 218 }
 219
 220 wxSize wxChoice::DoGetBestSize() const
 221 {
 222     // TODO should modify this to take into account string length ala wxGTK
 223     return wxSize(100,20);
 224 }
 225
 226 /*
 227 void wxChoice::Command(wxCommandEvent & event)
 228 {
 229     SetSelection (event.GetInt());
 230     ProcessCommand (event);
 231 }
 232 */