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 BEGIN_EVENT_TABLE(wxRadioButton, wxControl)
  22    EVT_IDLE( wxRadioButton::OnIdle )
  23 END_EVENT_TABLE()
  24
  25 #include <wx/mac/uma.h>
  26
  27 bool wxRadioButton::Create(wxWindow *parent, wxWindowID id,
  28                    const wxString& label,
  29            const wxPoint& pos,
  30            const wxSize& size, long style,
  31            const wxValidator& validator,
  32            const wxString& name)
  33 {
  34         Rect bounds ;
  35         Str255 title ;
  36
  37         m_cycle=NULL;
  38
  39         MacPreControlCreate( parent , id ,  label , pos , size ,style, validator , name , &bounds , title ) ;
  40
  41         m_macControl = UMANewControl( parent->GetMacRootWindow() , &bounds , title , true , 0 , 0 , 1,
  42                 kControlRadioButtonProc , (long) this ) ;
  43
  44         MacPostControlCreate() ;
  45
  46     return TRUE;
  47 }
  48
  49 void wxRadioButton::OnIdle( wxIdleEvent &event )
  50 {
  51     if (!m_cycle && HasFlag(wxRB_GROUP))
  52     {
  53         // we are a stand-alone radiobutton and have
  54         // the group flag indicating we have to collect
  55         // the other radiobuttons belonging to this one
  56
  57         bool reached_this = FALSE;
  58         wxRadioButton *m_radioButtonCycle = NULL;
  59         m_radioButtonCycle = AddInCycle( m_radioButtonCycle );
  60
  61         wxWindow *parent = GetParent();
  62         wxNode *node = parent->GetChildren().First();
  63         while (node)
  64         {
  65             wxWindow *child = (wxWindow*) node->Data();
  66
  67             node = node->Next();
  68
  69             // start searching behind current radiobutton
  70             if (!reached_this)
  71             {
  72                 reached_this = (this == child);
  73                 continue;
  74             }
  75
  76             if (child->IsKindOf( CLASSINFO ( wxRadioButton ) ))
  77             {
  78                 wxRadioButton *rb = (wxRadioButton*) child;
  79
  80                 // already reached next group
  81                 if (rb->HasFlag(wxRB_GROUP)) break;
  82
  83                 // part of a radiobox
  84                 if (rb->NextInCycle()) break;
  85
  86                 m_radioButtonCycle = rb->AddInCycle( m_radioButtonCycle );
  87             }
  88         }
  89
  90     }
  91
  92     event.Skip( TRUE );
  93 }
  94
  95 void wxRadioButton::SetValue(bool val)
  96 {
  97         int i;
  98         wxRadioButton *cycle;
  99
 100    ::SetControlValue( m_macControl , val ) ;
 101
 102    if (val)
 103    {
 104                 cycle=this->NextInCycle();
 105                 if (cycle!=NULL) {
 106                         while (cycle!=this) {
 107                                 cycle->SetValue(false);
 108                                 cycle=cycle->NextInCycle();
 109                                 }
 110                         }
 111                 }
 112 }
 113
 114 bool wxRadioButton::GetValue() const
 115 {
 116     return ::GetControlValue( m_macControl ) ;
 117 }
 118
 119 void wxRadioButton::Command (wxCommandEvent & event)
 120 {
 121   SetValue ( (event.GetInt() != 0) );
 122   ProcessCommand (event);
 123 }
 124
 125 void wxRadioButton::MacHandleControlClick( ControlHandle control , SInt16 controlpart )
 126 {
 127         SetValue(true) ;
 128     wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, m_windowId );
 129     event.SetEventObject(this);
 130     ProcessCommand(event);
 131 }
 132
 133 wxRadioButton *wxRadioButton::AddInCycle(wxRadioButton *cycle)
 134 {
 135         wxRadioButton *next,*current;
 136
 137         if (cycle==NULL) {
 138                 m_cycle=this;
 139                 return(this);
 140                 }
 141         else {
 142                 current=cycle;
 143                 while ((next=current->m_cycle)!=cycle) current=current->m_cycle;
 144                 m_cycle=cycle;
 145                 current->m_cycle=this;
 146                 return(cycle);
 147         }
 148 }