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1/////////////////////////////////////////////////////////////////////////////
2// Name: radiobut.cpp
3// Purpose: wxRadioButton
4// Author: AUTHOR
1dd52151 5// Modified by: JS Lair (99/11/15) adding the cyclic groupe notion for radiobox
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6// Created: ??/??/98
7// RCS-ID: $Id$
8// Copyright: (c) AUTHOR
65571936 9// Licence: wxWindows licence
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10/////////////////////////////////////////////////////////////////////////////
11
3d1a4878 12#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
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13#pragma implementation "radiobut.h"
14#endif
15
3d1a4878 16#include "wx/wxprec.h"
e9576ca5 17
d8c736e5 18#include "wx/radiobut.h"
079c842c 19
d8c736e5 20#if !USE_SHARED_LIBRARY
e9576ca5 21IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl)
d8c736e5 22#endif
079c842c 23
d497dca4 24#include "wx/mac/uma.h"
1dd52151 25
e9576ca5 26bool wxRadioButton::Create(wxWindow *parent, wxWindowID id,
e40298d5 27 const wxString& label,
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28 const wxPoint& pos,
29 const wxSize& size, long style,
30 const wxValidator& validator,
31 const wxString& name)
32{
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33 m_macIsUserPane = FALSE ;
34
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35 if ( !wxControl::Create(parent, id, pos, size, style, validator, name) )
36 return false;
e40298d5 37
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38 m_label = label ;
39
40 Rect bounds = wxMacGetBoundsForControl( this , pos , size ) ;
e40298d5 41
21fd5529 42 m_peer = new wxMacControl() ;
4c37f124 43 verify_noerr ( CreateRadioButtonControl( MAC_WXHWND(parent->MacGetTopLevelWindowRef()) , &bounds , CFSTR("") ,
5ca0d812 44 0 , false /* no autotoggle */ , m_peer->GetControlRefAddr() ) );
21fd5529 45
4c37f124 46
facd6764 47 MacPostControlCreate(pos,size) ;
e9576ca5 48
aa6c945b 49 m_cycle = this ;
c503ab84 50
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51 if (HasFlag(wxRB_GROUP))
52 {
e40298d5 53 AddInCycle( NULL ) ;
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54 }
55 else
56 {
57 /* search backward for last group start */
58 wxRadioButton *chief = (wxRadioButton*) NULL;
affd2611 59 wxWindowList::compatibility_iterator node = parent->GetChildren().GetLast();
0a67a93b 60 while (node)
079c842c 61 {
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62 wxWindow *child = node->GetData();
63 if (child->IsKindOf( CLASSINFO( wxRadioButton ) ) )
64 {
65 chief = (wxRadioButton*) child;
66 if (child->HasFlag(wxRB_GROUP)) break;
67 }
68 node = node->GetPrevious();
079c842c 69 }
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70 AddInCycle( chief ) ;
71 }
72 return TRUE;
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73}
74
1dd52151 75void wxRadioButton::SetValue(bool val)
e9576ca5 76{
e40298d5 77 wxRadioButton *cycle;
20b69855 78 if ( m_peer->GetValue() == val )
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79 return ;
80
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81 m_peer->SetValue( val ) ;
82 if (val)
83 {
84 cycle=this->NextInCycle();
85 if (cycle!=NULL)
86 {
87 while (cycle!=this)
88 {
89 cycle->SetValue(false);
90 cycle=cycle->NextInCycle();
e40298d5 91 }
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92 }
93 }
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94}
95
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96bool wxRadioButton::GetValue() const
97{
5ca0d812 98 return m_peer->GetValue() ;
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99}
100
101void wxRadioButton::Command (wxCommandEvent & event)
102{
1dd52151 103 SetValue ( (event.GetInt() != 0) );
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104 ProcessCommand (event);
105}
106
4c37f124 107wxInt32 wxRadioButton::MacControlHit(WXEVENTHANDLERREF WXUNUSED(handler) , WXEVENTREF WXUNUSED(event) )
1dd52151 108{
4c37f124 109 // if already set -> no action
f0822896 110 if ( GetValue() )
4c37f124 111 return noErr;
f0822896 112
e40298d5 113 wxRadioButton *cycle, *old = NULL ;
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114 cycle=this->NextInCycle();
115 if (cycle!=NULL) {
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116 while (cycle!=this) {
117 if ( cycle->GetValue() ) {
118 old = cycle ;
119 cycle->SetValue(false);
120 }
121 cycle=cycle->NextInCycle();
122 }
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123 }
124
e40298d5 125 SetValue(true) ;
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126
127 if ( old ) {
128 wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, old->m_windowId );
129 event.SetEventObject(old);
130 event.SetInt( false );
131 old->ProcessCommand(event);
132 }
133 wxCommandEvent event2(wxEVT_COMMAND_RADIOBUTTON_SELECTED, m_windowId );
134 event2.SetEventObject(this);
135 event2.SetInt( true );
136 ProcessCommand(event2);
4c37f124 137 return noErr ;
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138}
139
140wxRadioButton *wxRadioButton::AddInCycle(wxRadioButton *cycle)
141{
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142 wxRadioButton *next,*current;
143
144 if (cycle==NULL) {
145 m_cycle=this;
146 return(this);
147 }
148 else {
149 current=cycle;
150 while ((next=current->m_cycle)!=cycle)
151 current=current->m_cycle;
152 m_cycle=cycle;
153 current->m_cycle=this;
154 return(cycle);
155 }
1dd52151 156}