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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: cocoa/radiobut.mm
3 // Purpose: wxRadioButton
4 // Author: David Elliott
5 // Modified by:
6 // Created: 2003/03/16
7 // RCS-ID: $Id:
8 // Copyright: (c) 2003 David Elliott
9 // Licence: wxWindows license
10 /////////////////////////////////////////////////////////////////////////////
11
12 #include "wx/app.h"
13 #include "wx/radiobut.h"
14 #include "wx/log.h"
15
16 #import <AppKit/NSButton.h>
17 #include "wx/cocoa/string.h"
18 #include "wx/cocoa/autorelease.h"
19
20 #include "wx/listimpl.cpp"
21
22 WX_DEFINE_LIST(wxRadioButtonList);
23
24 IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl)
25 // wxRadioButtonBase == wxControl
26 BEGIN_EVENT_TABLE(wxRadioButton, wxControl)
27 END_EVENT_TABLE()
28 WX_IMPLEMENT_COCOA_OWNER(wxRadioButton,NSButton,NSControl,NSView)
29
30 bool wxRadioButton::Create(wxWindow *parent, wxWindowID winid,
31 const wxString& label,
32 const wxPoint& pos,
33 const wxSize& size,
34 long style,
35 const wxValidator& validator,
36 const wxString& name)
37 {
38 wxAutoNSAutoreleasePool pool;
39 m_radioMaster = NULL;
40 if(!CreateControl(parent,winid,pos,size,style,validator,name))
41 return false;
42 if(style&wxRB_GROUP)
43 {
44 m_radioMaster = this;
45 m_radioSlaves.Append(this);
46 }
47 else if(style&wxRB_SINGLE)
48 m_radioMaster = NULL;
49 else
50 {
51 for(wxWindowList::compatibility_iterator siblingNode= GetParent()->GetChildren().GetLast();
52 siblingNode;
53 siblingNode = siblingNode->GetPrevious())
54 {
55 wxRadioButton *radioButton = wxDynamicCast(siblingNode->GetData(),wxRadioButton);
56 if(radioButton && radioButton!=this)
57 {
58 m_radioMaster = radioButton->m_radioMaster;
59 wxASSERT_MSG(m_radioMaster,
60 "Previous radio button should be part of a group");
61 // Don't crash, assume user meant wxRB_SINGLE
62 if(m_radioMaster)
63 m_radioMaster->m_radioSlaves.Append(this);
64 break;
65 }
66 }
67 }
68
69 m_cocoaNSView = NULL;
70 SetNSButton([[NSButton alloc] initWithFrame: MakeDefaultNSRect(size)]);
71 [m_cocoaNSView release];
72 [GetNSButton() setButtonType: NSRadioButton];
73 [GetNSButton() setTitle:wxNSStringWithWxString(label)];
74 [GetNSControl() sizeToFit];
75
76 if(m_parent)
77 m_parent->CocoaAddChild(this);
78 SetInitialFrameRect(pos,size);
79
80 return true;
81 }
82
83 wxRadioButton::~wxRadioButton()
84 {
85 if(m_radioMaster==this)
86 {
87 // First get rid of ourselves (we should ALWAYS be at the head)
88 wxRadioButtonList::compatibility_iterator slaveNode =
89 m_radioSlaves.GetFirst();
90 wxASSERT(slaveNode);
91 wxASSERT(slaveNode->GetData() == this);
92 m_radioSlaves.DeleteNode(slaveNode);
93
94 // Now find the new master
95 wxRadioButton *newMaster = NULL;
96 slaveNode = m_radioSlaves.GetFirst();
97 if(slaveNode)
98 newMaster = slaveNode->GetData();
99
100 // For each node (including the new master) set the master, remove
101 // it from this list, and add it to the new master's list
102 for(; slaveNode; slaveNode = m_radioSlaves.GetFirst())
103 {
104 wxRadioButton *radioButton = slaveNode->GetData();
105 wxASSERT(radioButton->m_radioMaster == this);
106 radioButton->m_radioMaster = newMaster;
107 newMaster->m_radioSlaves.Append(radioButton);
108 m_radioSlaves.DeleteNode(slaveNode);
109 }
110 }
111 else if(m_radioMaster)
112 {
113 m_radioMaster->m_radioSlaves.DeleteObject(this);
114 m_radioMaster = NULL;
115 }
116 // normal stuff
117 DisassociateNSButton(m_cocoaNSView);
118 }
119
120 void wxRadioButton::SetValue(bool value)
121 {
122 if(value)
123 [GetNSButton() setState: NSOnState];
124 else
125 [GetNSButton() setState: NSOffState];
126 }
127
128 bool wxRadioButton::GetValue() const
129 {
130 int state = [GetNSButton() state];
131 wxASSERT(state!=NSMixedState);
132 return state==NSOnState;
133 }
134
135 void wxRadioButton::Cocoa_wxNSButtonAction(void)
136 {
137 wxLogDebug("wxRadioButton");
138 if(m_radioMaster && ([GetNSButton() state] == NSOnState))
139 {
140 for(wxRadioButtonList::compatibility_iterator slaveNode =
141 m_radioMaster->m_radioSlaves.GetFirst();
142 slaveNode; slaveNode = slaveNode->GetNext())
143 {
144 wxRadioButton *radioButton = slaveNode->GetData();
145 if(radioButton!=this)
146 radioButton->SetValue(false);
147 }
148 }
149 wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, GetId());
150 InitCommandEvent(event); // event.SetEventObject(this);
151 event.SetInt(GetValue());
152 Command(event);
153 }
154