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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 group notion for radiobox | |
6 | // Created: ??/??/98 | |
7 | // RCS-ID: $Id: radiobut.cpp 54129 2008-06-11 19:30:52Z SC $ | |
8 | // Copyright: (c) AUTHOR | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #include "wx/wxprec.h" | |
13 | ||
14 | #if wxUSE_RADIOBTN | |
15 | ||
16 | #include "wx/radiobut.h" | |
17 | #include "wx/osx/private.h" | |
18 | ||
19 | IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl) | |
20 | ||
21 | ||
22 | bool wxRadioButton::Create( wxWindow *parent, | |
23 | wxWindowID id, | |
24 | const wxString& label, | |
25 | const wxPoint& pos, | |
26 | const wxSize& size, | |
27 | long style, | |
28 | const wxValidator& validator, | |
29 | const wxString& name ) | |
30 | { | |
31 | m_macIsUserPane = false; | |
32 | ||
33 | if ( !wxControl::Create( parent, id, pos, size, style, validator, name ) ) | |
34 | return false; | |
35 | ||
36 | m_labelOrig = m_label = label; | |
37 | ||
38 | m_peer = wxWidgetImpl::CreateRadioButton( this, parent, id, label, pos, size, style, GetExtraStyle() ); | |
39 | ||
40 | MacPostControlCreate( pos, size ); | |
41 | ||
42 | m_cycle = this; | |
43 | ||
44 | if (HasFlag( wxRB_GROUP )) | |
45 | { | |
46 | AddInCycle( NULL ); | |
47 | } | |
48 | else | |
49 | { | |
50 | // search backward for last group start | |
51 | wxRadioButton *chief = NULL; | |
52 | wxWindowList::compatibility_iterator node = parent->GetChildren().GetLast(); | |
53 | while (node) | |
54 | { | |
55 | wxWindow *child = node->GetData(); | |
56 | if (child->IsKindOf( CLASSINFO( wxRadioButton ) )) | |
57 | { | |
58 | chief = (wxRadioButton*)child; | |
59 | if (child->HasFlag( wxRB_GROUP )) | |
60 | break; | |
61 | } | |
62 | ||
63 | node = node->GetPrevious(); | |
64 | } | |
65 | ||
66 | AddInCycle( chief ); | |
67 | } | |
68 | ||
69 | return true; | |
70 | } | |
71 | ||
72 | wxRadioButton::~wxRadioButton() | |
73 | { | |
74 | RemoveFromCycle(); | |
75 | } | |
76 | ||
77 | void wxRadioButton::SetValue(bool val) | |
78 | { | |
79 | wxRadioButton *cycle; | |
80 | if (m_peer->GetValue() == val) | |
81 | return; | |
82 | ||
83 | m_peer->SetValue( val ); | |
84 | if (val) | |
85 | { | |
86 | cycle = this->NextInCycle(); | |
87 | if (cycle != NULL) | |
88 | { | |
89 | while (cycle != this) | |
90 | { | |
91 | cycle->SetValue( false ); | |
92 | cycle = cycle->NextInCycle(); | |
93 | } | |
94 | } | |
95 | } | |
96 | } | |
97 | ||
98 | bool wxRadioButton::GetValue() const | |
99 | { | |
100 | return m_peer->GetValue() != 0; | |
101 | } | |
102 | ||
103 | void wxRadioButton::Command(wxCommandEvent& event) | |
104 | { | |
105 | SetValue( (event.GetInt() != 0) ); | |
106 | ProcessCommand( event ); | |
107 | } | |
108 | ||
109 | bool wxRadioButton::OSXHandleClicked( double WXUNUSED(timestampsec) ) | |
110 | { | |
111 | if ( !m_peer->ButtonClickDidStateChange() ) | |
112 | { | |
113 | // if already set -> no action | |
114 | if (GetValue()) | |
115 | return true; | |
116 | } | |
117 | ||
118 | wxRadioButton *cycle; | |
119 | cycle = this->NextInCycle(); | |
120 | if (cycle != NULL) | |
121 | { | |
122 | while (cycle != this) | |
123 | { | |
124 | if (cycle->GetValue()) | |
125 | cycle->SetValue( false ); | |
126 | ||
127 | cycle = cycle->NextInCycle(); | |
128 | } | |
129 | } | |
130 | ||
131 | SetValue( true ); | |
132 | ||
133 | wxCommandEvent event2( wxEVT_COMMAND_RADIOBUTTON_SELECTED, m_windowId ); | |
134 | event2.SetEventObject( this ); | |
135 | event2.SetInt( true ); | |
136 | ProcessCommand( event2 ); | |
137 | ||
138 | return true; | |
139 | } | |
140 | ||
141 | wxRadioButton *wxRadioButton::AddInCycle(wxRadioButton *cycle) | |
142 | { | |
143 | wxRadioButton *current; | |
144 | ||
145 | if (cycle == NULL) | |
146 | { | |
147 | m_cycle = this; | |
148 | } | |
149 | else | |
150 | { | |
151 | current = cycle; | |
152 | while (current->m_cycle != cycle) | |
153 | current = current->m_cycle; | |
154 | ||
155 | m_cycle = cycle; | |
156 | current->m_cycle = this; | |
157 | } | |
158 | ||
159 | return m_cycle; | |
160 | } | |
161 | ||
162 | void wxRadioButton::RemoveFromCycle() | |
163 | { | |
164 | if ((m_cycle == NULL) || (m_cycle == this)) | |
165 | return; | |
166 | ||
167 | // Find the previous one and make it point to the next one | |
168 | wxRadioButton* prev = this; | |
169 | while (prev->m_cycle != this) | |
170 | prev = prev->m_cycle; | |
171 | ||
172 | prev->m_cycle = m_cycle; | |
173 | } | |
174 | ||
175 | #endif |