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           SetControlMaximum( m_macControl , Number()) ;
  95 }
  96
  97 void wxChoice::Clear()
  98 {
  99     Free();
 100
 101     for ( int i = 0 ; i < GetCount() ; i++ )
 102     {
 103         ::DeleteMenuItem( m_macPopUpMenuHandle , 1 ) ;
 104           }
 105     m_strings.Empty() ;
 106     m_datas.Empty() ;
 107           SetControlMaximum( m_macControl , 0 ) ;
 108 }
 109
 110 void wxChoice::Free()
 111 {
 112     if ( HasClientObjectData() )
 113     {
 114         size_t count = GetCount();
 115         for ( size_t n = 0; n < count; n++ )
 116         {
 117             delete GetClientObject(n);
 118         }
 119     }
 120 }
 121
 122 // ----------------------------------------------------------------------------
 123 // selection
 124 // ----------------------------------------------------------------------------
 125
 126 int wxChoice::GetSelection() const
 127 {
 128     return GetControlValue( m_macControl ) -1 ;
 129 }
 130
 131 void wxChoice::SetSelection(int n)
 132 {
 133     SetControlValue( m_macControl , n + 1 ) ;
 134 }
 135
 136 // ----------------------------------------------------------------------------
 137 // string list functions
 138 // ----------------------------------------------------------------------------
 139
 140 int wxChoice::GetCount() const
 141 {
 142     return m_strings.GetCount() ;
 143 }
 144
 145 int wxChoice::FindString(const wxString& s) const
 146 {
 147     for( int i = 0 ; i < GetCount() ; i++ )
 148     {
 149         if ( GetString( i ).IsSameAs(s, FALSE) )
 150                 return i ;
 151     }
 152     return wxNOT_FOUND ;
 153 }
 154
 155 void wxChoice::SetString(int n, const wxString& s)
 156 {
 157     wxFAIL_MSG(wxT("not implemented"));
 158
 159 #if 0 // should do this, but no Insert() so far
 160     Delete(n);
 161     Insert(n + 1, s);
 162 #endif
 163 }
 164
 165
 166 wxString wxChoice::GetString(int n) const
 167 {
 168         return m_strings[n] ;
 169 }
 170
 171 // ----------------------------------------------------------------------------
 172 // client data
 173 // ----------------------------------------------------------------------------
 174
 175 void wxChoice::DoSetItemClientData( int n, void* clientData )
 176 {
 177     wxCHECK_RET( n >= 0 && n < m_datas.GetCount(),
 178                  "invalid index in wxChoice::SetClientData" );
 179         wxASSERT_MSG( m_datas.GetCount() >= n , "invalid client_data array" ) ;
 180
 181         if ( m_datas.GetCount() > n )
 182         {
 183         m_datas[n] = (char*) clientData ;
 184     }
 185     else
 186     {
 187         m_datas.Add( (char*) clientData ) ;
 188     }
 189 }
 190
 191 void *wxChoice::DoGetItemClientData(int N) const
 192 {
 193     wxCHECK_MSG( N >= 0 && N < m_datas.GetCount(), NULL,
 194                  "invalid index in wxChoice::GetClientData" );
 195
 196     return (void *)m_datas[N];
 197 }
 198
 199 void wxChoice::DoSetItemClientObject( int n, wxClientData* clientData )
 200 {
 201     DoSetItemClientData(n, clientData);
 202 }
 203
 204 wxClientData* wxChoice::DoGetItemClientObject( int n ) const
 205 {
 206     return (wxClientData *)DoGetItemClientData(n);
 207 }
 208
 209 void wxChoice::MacHandleControlClick( ControlHandle control , SInt16 controlpart )
 210 {
 211     wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, m_windowId );
 212           event.SetInt(GetSelection());
 213     event.SetEventObject(this);
 214     event.SetString(GetStringSelection());
 215     ProcessCommand(event);
 216 }
 217 /*
 218 void wxChoice::Command(wxCommandEvent & event)
 219 {
 220     SetSelection (event.GetInt());
 221     ProcessCommand (event);
 222 }
 223 */