src/mac/carbon/radiobut.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        radiobut.cpp
   3 // Purpose:     wxRadioButton
   4 // Author:      AUTHOR
   5 // Modified by: JS Lair (99/11/15) adding the cyclic groupe notion for radiobox
   6 // Created:     ??/??/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) AUTHOR
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "radiobut.h"
  14 #endif
  15
  16 #include "wx/radiobut.h"
  17
  18
  19 IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl)
  20
  21 #include <wx/mac/uma.h>
  22
  23 bool wxRadioButton::Create(wxWindow *parent, wxWindowID id,
  24                    const wxString& label,
  25            const wxPoint& pos,
  26            const wxSize& size, long style,
  27            const wxValidator& validator,
  28            const wxString& name)
  29 {
  30         Rect bounds ;
  31         Str255 title ;
  32
  33         MacPreControlCreate( parent , id ,  label , pos , size ,style, validator , name , &bounds , title ) ;
  34
  35         m_macControl = UMANewControl( parent->GetMacRootWindow() , &bounds , title , true , 0 , 0 , 1,
  36                 kControlRadioButtonProc , (long) this ) ;
  37
  38         MacPostControlCreate() ;
  39
  40   if (HasFlag(wxRB_GROUP))
  41   {
  42           AddInCycle( NULL ) ;
  43   }
  44   else
  45   {
  46     /* search backward for last group start */
  47     wxRadioButton *chief = (wxRadioButton*) NULL;
  48     wxWindowList::Node *node = parent->GetChildren().GetLast();
  49     while (node)
  50     {
  51       wxWindow *child = node->GetData();
  52       if (child->IsKindOf( CLASSINFO( wxRadioButton ) ) )
  53       {
  54           chief = (wxRadioButton*) child;
  55          if (child->HasFlag(wxRB_GROUP)) break;
  56       }
  57       node = node->GetPrevious();
  58     }
  59     AddInCycle( chief ) ;
  60   }
  61     return TRUE;
  62 }
  63
  64 void wxRadioButton::SetValue(bool val)
  65 {
  66         int i;
  67         wxRadioButton *cycle;
  68
  69    ::SetControlValue( m_macControl , val ) ;
  70
  71    if (val)
  72    {
  73                 cycle=this->NextInCycle();
  74                 if (cycle!=NULL) {
  75                         while (cycle!=this) {
  76                                 cycle->SetValue(false);
  77                                 cycle=cycle->NextInCycle();
  78                                 }
  79                         }
  80                 }
  81 }
  82
  83 bool wxRadioButton::GetValue() const
  84 {
  85     return ::GetControlValue( m_macControl ) ;
  86 }
  87
  88 void wxRadioButton::Command (wxCommandEvent & event)
  89 {
  90   SetValue ( (event.GetInt() != 0) );
  91   ProcessCommand (event);
  92 }
  93
  94 void wxRadioButton::MacHandleControlClick( ControlHandle control , SInt16 controlpart )
  95 {
  96         SetValue(true) ;
  97     wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, m_windowId );
  98     event.SetEventObject(this);
  99     event.SetInt( GetValue() );
 100     ProcessCommand(event);
 101 }
 102
 103 wxRadioButton *wxRadioButton::AddInCycle(wxRadioButton *cycle)
 104 {
 105         wxRadioButton *next,*current;
 106
 107         if (cycle==NULL) {
 108                 m_cycle=this;
 109                 return(this);
 110                 }
 111         else {
 112                 current=cycle;
 113                 while ((next=current->m_cycle)!=cycle)
 114                   current=current->m_cycle;
 115                 m_cycle=cycle;
 116                 current->m_cycle=this;
 117                 return(cycle);
 118         }
 119 }