* Implement GetValue() and SetValue().

* Send event when clicked.
* Implement radio button grouping.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@22996 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/cocoa/radiobut.h

@@ -14,6 +14,10 @@
 
 #include "wx/cocoa/NSButton.h"
 
+class WXDLLEXPORT wxRadioButton;
+
+WX_DECLARE_LIST(wxRadioButton, wxRadioButtonList);
+
 // ========================================================================
 // wxRadioButton
 // ========================================================================
@@ -26,7 +30,7 @@ class WXDLLEXPORT wxRadioButton: public wxControl, protected wxCocoaNSButton
 // initialization
 // ------------------------------------------------------------------------
 public:
-    wxRadioButton() { }
+    wxRadioButton() { m_radioMaster = NULL; }
     wxRadioButton(wxWindow *parent, wxWindowID winid,
             const wxString& label,
             const wxPoint& pos = wxDefaultPosition,
@@ -58,6 +62,9 @@ protected:
 public:
     virtual void SetValue(bool);
     virtual bool GetValue() const;
+protected:
+    wxRadioButtonList m_radioSlaves;
+    wxRadioButton *m_radioMaster;
 };
 
 #endif // __WX_COCOA_RADIOBUT_H__

src/cocoa/radiobut.mm

@@ -17,6 +17,10 @@
 #include "wx/cocoa/string.h"
 #include "wx/cocoa/autorelease.h"
 
+#include "wx/listimpl.cpp"
+
+WX_DEFINE_LIST(wxRadioButtonList);
+
 IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl)
 // wxRadioButtonBase == wxControl
 BEGIN_EVENT_TABLE(wxRadioButton, wxControl)
@@ -32,8 +36,36 @@ bool wxRadioButton::Create(wxWindow *parent, wxWindowID winid,
            const wxString& name)
 {
     wxAutoNSAutoreleasePool pool;
+    m_radioMaster = NULL;
     if(!CreateControl(parent,winid,pos,size,style,validator,name))
         return false;
+    if(style&wxRB_GROUP)
+    {
+        m_radioMaster = this;
+        m_radioSlaves.Append(this);
+    }
+    else if(style&wxRB_SINGLE)
+        m_radioMaster = NULL;
+    else
+    {
+        for(wxWindowList::compatibility_iterator siblingNode= GetParent()->GetChildren().GetLast();
+            siblingNode;
+            siblingNode = siblingNode->GetPrevious())
+        {
+            wxRadioButton *radioButton  = wxDynamicCast(siblingNode->GetData(),wxRadioButton);
+            if(radioButton && radioButton!=this)
+            {
+                m_radioMaster = radioButton->m_radioMaster;
+                wxASSERT_MSG(m_radioMaster,
+                    "Previous radio button should be part of a group");
+                // Don't crash, assume user meant wxRB_SINGLE
+                if(m_radioMaster)
+                    m_radioMaster->m_radioSlaves.Append(this);
+                break;
+            }
+        }
+    }
+
     m_cocoaNSView = NULL;
     SetNSButton([[NSButton alloc] initWithFrame: MakeDefaultNSRect(size)]);
     [m_cocoaNSView release];
@@ -50,20 +82,73 @@ bool wxRadioButton::Create(wxWindow *parent, wxWindowID winid,
 
 wxRadioButton::~wxRadioButton()
 {
+    if(m_radioMaster==this)
+    {
+        // First get rid of ourselves (we should ALWAYS be at the head)
+        wxRadioButtonList::compatibility_iterator slaveNode =
+            m_radioSlaves.GetFirst();
+        wxASSERT(slaveNode);
+        wxASSERT(slaveNode->GetData() == this);
+        m_radioSlaves.DeleteNode(slaveNode);
+    
+        // Now find the new master
+        wxRadioButton *newMaster = NULL;
+        slaveNode = m_radioSlaves.GetFirst();
+        if(slaveNode)
+            newMaster = slaveNode->GetData();
+    
+        // For each node (including the new master) set the master, remove
+        // it from this list, and add it to the new master's list
+        for(; slaveNode; slaveNode = m_radioSlaves.GetFirst())
+        {
+            wxRadioButton *radioButton = slaveNode->GetData();
+            wxASSERT(radioButton->m_radioMaster == this);
+            radioButton->m_radioMaster = newMaster;
+            newMaster->m_radioSlaves.Append(radioButton);
+            m_radioSlaves.DeleteNode(slaveNode);
+        }
+    }
+    else if(m_radioMaster)
+    {
+        m_radioMaster->m_radioSlaves.DeleteObject(this);
+        m_radioMaster = NULL;
+    }
+    // normal stuff
     DisassociateNSButton(m_cocoaNSView);
 }
 
-void wxRadioButton::SetValue(bool)
+void wxRadioButton::SetValue(bool value)
 {
+    if(value)
+        [GetNSButton() setState: NSOnState];
+    else
+        [GetNSButton() setState: NSOffState];
 }
 
 bool wxRadioButton::GetValue() const
 {
-    return false;
+    int state = [GetNSButton() state];
+    wxASSERT(state!=NSMixedState);
+    return state==NSOnState;
 }
 
 void wxRadioButton::Cocoa_wxNSButtonAction(void)
 {
     wxLogDebug("wxRadioButton");
+    if(m_radioMaster && ([GetNSButton() state] == NSOnState))
+    {
+        for(wxRadioButtonList::compatibility_iterator slaveNode =
+                m_radioMaster->m_radioSlaves.GetFirst();
+            slaveNode; slaveNode = slaveNode->GetNext())
+        {
+            wxRadioButton *radioButton = slaveNode->GetData();
+            if(radioButton!=this)
+                radioButton->SetValue(false);
+        }
+    }
+    wxCommandEvent event(wxEVT_COMMAND_RADIOBUTTON_SELECTED, GetId());
+    InitCommandEvent(event); //    event.SetEventObject(this);
+    event.SetInt(GetValue());
+    Command(event);
 }