adding alpha to core graphics dc

[wxWidgets.git] / src / mac / carbon / radiobut.cpp

diff --git a/src/mac/carbon/radiobut.cpp b/src/mac/carbon/radiobut.cpp
index e7f983642d55e9dd4cfb6615a4892925ece4dea5..6ecc2657bc0a9f4b9e7c682adf49354bc06e3b03 100644 (file)
--- a/src/mac/carbon/radiobut.cpp
+++ b/src/mac/carbon/radiobut.cpp
@@ -2,92 +2,100 @@
 // Name:        radiobut.cpp
 // Purpose:     wxRadioButton
 // Author:      AUTHOR
-// Modified by: JS Lair (99/11/15) adding the cyclic groupe notion for radiobox
+// Modified by: JS Lair (99/11/15) adding the cyclic group notion for radiobox
 // Created:     ??/??/98
 // RCS-ID:      $Id$
 // Copyright:   (c) AUTHOR
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "radiobut.h"
-#endif
-
 #include "wx/wxprec.h"
 
 #if wxUSE_RADIOBTN
 
 #include "wx/radiobut.h"
+#include "wx/mac/uma.h"
 
 IMPLEMENT_DYNAMIC_CLASS(wxRadioButton, wxControl)
 
-#include "wx/mac/uma.h"
 
-bool wxRadioButton::Create(wxWindow *parent, wxWindowID id,
-           const wxString& label,
-           const wxPoint& pos,
-           const wxSize& size, long style,
-           const wxValidator& validator,
-           const wxString& name)
+bool wxRadioButton::Create( wxWindow *parent,
+    wxWindowID id,
+    const wxString& label,
+    const wxPoint& pos,
+    const wxSize& size,
+    long style,
+    const wxValidator& validator,
+    const wxString& name )
 {
-    m_macIsUserPane = false ;
+    m_macIsUserPane = false;
 
-    if ( !wxControl::Create(parent, id, pos, size, style, validator, name) )
+    if ( !wxControl::Create( parent, id, pos, size, style, validator, name ) )
         return false;
 
-    m_label = label ;
-
-    Rect bounds = wxMacGetBoundsForControl( this , pos , size ) ;
+    m_label = label;
 
-    m_peer = new wxMacControl(this) ;
-    verify_noerr ( CreateRadioButtonControl( MAC_WXHWND(parent->MacGetTopLevelWindowRef()) , &bounds , CFSTR("") ,
-        0 , false /* no autotoggle */ , m_peer->GetControlRefAddr() ) );
+    Rect bounds = wxMacGetBoundsForControl( this, pos, size );
 
+    m_peer = new wxMacControl( this );
+    OSStatus err = CreateRadioButtonControl(
+        MAC_WXHWND(parent->MacGetTopLevelWindowRef()), &bounds, CFSTR(""),
+        0, false /* no autotoggle */, m_peer->GetControlRefAddr() );
+    verify_noerr( err );
 
-    MacPostControlCreate(pos,size) ;
+    MacPostControlCreate( pos, size );
 
-    m_cycle = this ;
+    m_cycle = this;
 
-    if (HasFlag(wxRB_GROUP))
+    if (HasFlag( wxRB_GROUP ))
     {
-        AddInCycle( NULL ) ;
+        AddInCycle( NULL );
     }
     else
     {
-        /* search backward for last group start */
-        wxRadioButton *chief = (wxRadioButton*) NULL;
+        // search backward for last group start
+        wxRadioButton *chief = NULL;
         wxWindowList::compatibility_iterator node = parent->GetChildren().GetLast();
         while (node)
         {
             wxWindow *child = node->GetData();
-            if (child->IsKindOf( CLASSINFO( wxRadioButton ) ) )
+            if (child->IsKindOf( CLASSINFO( wxRadioButton ) ))
             {
-                chief = (wxRadioButton*) child;
-                if (child->HasFlag(wxRB_GROUP)) break;
+                chief = (wxRadioButton*)child;
+                if (child->HasFlag( wxRB_GROUP ))
+                    break;
             }
+
             node = node->GetPrevious();
         }
-        AddInCycle( chief ) ;
+
+        AddInCycle( chief );
     }
+
     return true;
 }
 
+wxRadioButton::~wxRadioButton()
+{
+    RemoveFromCycle();
+}
+
 void wxRadioButton::SetValue(bool val)
 {
     wxRadioButton *cycle;
-    if ( m_peer->GetValue() == val )
-        return ;
+    if (m_peer->GetValue() == val)
+        return;
 
-    m_peer->SetValue( val ) ;
+    m_peer->SetValue( val );
     if (val)
     {
-        cycle=this->NextInCycle();
-        if (cycle!=NULL)
+        cycle = this->NextInCycle();
+        if (cycle != NULL)
         {
-            while (cycle!=this)
+            while (cycle != this)
             {
-                cycle->SetValue(false);
-                cycle=cycle->NextInCycle();
+                cycle->SetValue( false );
+                cycle = cycle->NextInCycle();
             }
         }
     }
@@ -95,59 +103,76 @@ void wxRadioButton::SetValue(bool val)
 
 bool wxRadioButton::GetValue() const
 {
-    return m_peer->GetValue() ;
+    return m_peer->GetValue();
 }
 
-void wxRadioButton::Command (wxCommandEvent & event)
+void wxRadioButton::Command(wxCommandEvent& event)
 {
-  SetValue ( (event.GetInt() != 0) );
-  ProcessCommand (event);
+    SetValue( (event.GetInt() != 0) );
+    ProcessCommand( event );
 }
 
-wxInt32 wxRadioButton::MacControlHit(WXEVENTHANDLERREF WXUNUSED(handler) , WXEVENTREF WXUNUSED(event) )
+wxInt32 wxRadioButton::MacControlHit( WXEVENTHANDLERREF WXUNUSED(handler), WXEVENTREF WXUNUSED(event) )
 {
     // if already set -> no action
-    if ( GetValue() )
+    if (GetValue())
         return noErr;
 
     wxRadioButton *cycle;
-    cycle=this->NextInCycle();
-    if (cycle!=NULL) {
-        while (cycle!=this) {
-            if ( cycle->GetValue() ) {
-                cycle->SetValue(false);
-            }
-            cycle=cycle->NextInCycle();
+    cycle = this->NextInCycle();
+    if (cycle != NULL)
+    {
+        while (cycle != this)
+        {
+            if (cycle->GetValue())
+                cycle->SetValue( false );
+
+            cycle = cycle->NextInCycle();
         }
     }
 
-    SetValue(true) ;
+    SetValue( true );
 
-    wxCommandEvent event2(wxEVT_COMMAND_RADIOBUTTON_SELECTED, m_windowId );
-    event2.SetEventObject(this);
+    wxCommandEvent event2( wxEVT_COMMAND_RADIOBUTTON_SELECTED, m_windowId );
+    event2.SetEventObject( this );
     event2.SetInt( true );
-    ProcessCommand(event2);
-    return noErr ;
+    ProcessCommand( event2 );
+
+    return noErr;
 }
 
 wxRadioButton *wxRadioButton::AddInCycle(wxRadioButton *cycle)
 {
-    wxRadioButton *next,*current;
+    wxRadioButton *next, *current;
 
-    if (cycle==NULL)
+    if (cycle == NULL)
     {
-        m_cycle=this;
-        return(this);
+        m_cycle = this;
     }
     else
     {
-        current=cycle;
-        while ((next=current->m_cycle)!=cycle)
-            current=current->m_cycle;
-        m_cycle=cycle;
-        current->m_cycle=this;
-        return(cycle);
+        current = cycle;
+        while ((next = current->m_cycle) != cycle)
+            current = current->m_cycle;
+
+        m_cycle = cycle;
+        current->m_cycle = this;
     }
+
+    return m_cycle;
+}
+
+void wxRadioButton::RemoveFromCycle()
+{        
+    if ((m_cycle == NULL) || (m_cycle == this))
+        return;
+
+    // Find the previous one and make it point to the next one
+    wxRadioButton* prev = this;
+    while (prev->m_cycle != this)
+        prev = prev->m_cycle;
+
+    prev->m_cycle = m_cycle;
 }
 
 #endif