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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 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) | |
13 | #pragma implementation "radiobut.h" | |
14 | #endif | |
15 | ||
16 | #include "wx/wxprec.h" | |
17 | ||
18 | #include "wx/radiobut.h" | |
19 | ||
20 | #if !USE_SHARED_LIBRARY | |
21 | IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl) | |
22 | #endif | |
23 | ||
24 | #include "wx/mac/uma.h" | |
25 | ||
26 | bool wxRadioButton::Create(wxWindow *parent, wxWindowID id, | |
27 | const wxString& label, | |
28 | const wxPoint& pos, | |
29 | const wxSize& size, long style, | |
30 | const wxValidator& validator, | |
31 | const wxString& name) | |
32 | { | |
33 | m_macIsUserPane = FALSE ; | |
34 | ||
35 | if ( !wxControl::Create(parent, id, pos, size, style, validator, name) ) | |
36 | return false; | |
37 | ||
38 | m_label = label ; | |
39 | ||
40 | Rect bounds = wxMacGetBoundsForControl( this , pos , size ) ; | |
41 | ||
42 | m_peer = new wxMacControl() ; | |
43 | verify_noerr ( CreateRadioButtonControl( MAC_WXHWND(parent->MacGetTopLevelWindowRef()) , &bounds , CFSTR("") , | |
44 | 0 , false /* no autotoggle */ , m_peer->GetControlRefAddr() ) ); | |
45 | ||
46 | ||
47 | MacPostControlCreate(pos,size) ; | |
48 | ||
49 | m_cycle = this ; | |
50 | ||
51 | if (HasFlag(wxRB_GROUP)) | |
52 | { | |
53 | AddInCycle( NULL ) ; | |
54 | } | |
55 | else | |
56 | { | |
57 | /* search backward for last group start */ | |
58 | wxRadioButton *chief = (wxRadioButton*) NULL; | |
59 | wxWindowList::compatibility_iterator node = parent->GetChildren().GetLast(); | |
60 | while (node) | |
61 | { | |
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(); | |
69 | } | |
70 | AddInCycle( chief ) ; | |
71 | } | |
72 | return TRUE; | |
73 | } | |
74 | ||
75 | void wxRadioButton::SetValue(bool val) | |
76 | { | |
77 | wxRadioButton *cycle; | |
78 | if ( m_peer->GetValue() == val ) | |
79 | return ; | |
80 | ||
81 | m_peer->SetValue( val ) ; | |
82 | if (val) | |
83 | { | |
84 | cycle=this->NextInCycle(); | |
85 | if (cycle!=NULL) { | |
86 | while (cycle!=this) { | |
87 | cycle->SetValue(false); | |
88 | cycle=cycle->NextInCycle(); | |
89 | } | |
90 | } | |
91 | } | |
92 | MacRedrawControl() ; | |
93 | } | |
94 | ||
95 | bool wxRadioButton::GetValue() const | |
96 | { | |
97 | return m_peer->GetValue() ; | |
98 | } | |
99 | ||
100 | void wxRadioButton::Command (wxCommandEvent & event) | |
101 | { | |
102 | SetValue ( (event.GetInt() != 0) ); | |
103 | ProcessCommand (event); | |
104 | } | |
105 | ||
106 | wxInt32 wxRadioButton::MacControlHit(WXEVENTHANDLERREF WXUNUSED(handler) , WXEVENTREF WXUNUSED(event) ) | |
107 | { | |
108 | // if already set -> no action | |
109 | if ( GetValue() ) | |
110 | return noErr; | |
111 | ||
112 | wxRadioButton *cycle, *old = NULL ; | |
113 | cycle=this->NextInCycle(); | |
114 | if (cycle!=NULL) { | |
115 | while (cycle!=this) { | |
116 | if ( cycle->GetValue() ) { | |
117 | old = cycle ; | |
118 | cycle->SetValue(false); | |
119 | } | |
120 | cycle=cycle->NextInCycle(); | |
121 | } | |
122 | } | |
123 | ||
124 | SetValue(true) ; | |
125 | ||
126 | if ( old ) { | |
127 | wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, old->m_windowId ); | |
128 | event.SetEventObject(old); | |
129 | event.SetInt( false ); | |
130 | old->ProcessCommand(event); | |
131 | } | |
132 | wxCommandEvent event2(wxEVT_COMMAND_RADIOBUTTON_SELECTED, m_windowId ); | |
133 | event2.SetEventObject(this); | |
134 | event2.SetInt( true ); | |
135 | ProcessCommand(event2); | |
136 | return noErr ; | |
137 | } | |
138 | ||
139 | wxRadioButton *wxRadioButton::AddInCycle(wxRadioButton *cycle) | |
140 | { | |
141 | wxRadioButton *next,*current; | |
142 | ||
143 | if (cycle==NULL) { | |
144 | m_cycle=this; | |
145 | return(this); | |
146 | } | |
147 | else { | |
148 | current=cycle; | |
149 | while ((next=current->m_cycle)!=cycle) | |
150 | current=current->m_cycle; | |
151 | m_cycle=cycle; | |
152 | current->m_cycle=this; | |
153 | return(cycle); | |
154 | } | |
155 | } |