adding comment

[wxWidgets.git] / src / osx / choice_osx.cpp

diff --git a/src/osx/choice_osx.cpp b/src/osx/choice_osx.cpp
index a2c780ec582d1715da16f43387af0bf0246196b2..7dd17476cf461760f9f45b5f7b4eafccb007dc3f 100644 (file)
--- a/src/osx/choice_osx.cpp
+++ b/src/osx/choice_osx.cpp
@@ -1,10 +1,10 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        src/osx/carbon/choice.cpp
+// Name:        src/osx/choice_osx.cpp
 // Purpose:     wxChoice
 // Author:      Stefan Csomor
 // Modified by:
 // Created:     1998-01-01
-// RCS-ID:      $Id: choice.cpp 54129 2008-06-11 19:30:52Z SC $
+// RCS-ID:      $Id$
 // Copyright:   (c) Stefan Csomor
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
@@ -22,8 +22,6 @@
 
 #include "wx/osx/private.h"
 
-IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControlWithItems)
-
 wxChoice::~wxChoice()
 {
     if ( HasClientObjectData() )
@@ -67,20 +65,20 @@ bool wxChoice::Create(wxWindow *parent,
     long style,
     const wxValidator& validator,
     const wxString& name )
-{
-    m_macIsUserPane = false;
-
+{    
+    DontCreatePeer();
+    
     if ( !wxChoiceBase::Create( parent, id, pos, size, style, validator, name ) )
         return false;
-        
+
     m_popUpMenu = new wxMenu();
     m_popUpMenu->SetNoEventsMode(true);
-    
-    m_peer = wxWidgetImpl::CreateChoice( this, parent, id, m_popUpMenu, pos, size, style, GetExtraStyle() );
+
+    SetPeer(wxWidgetImpl::CreateChoice( this, parent, id, m_popUpMenu, pos, size, style, GetExtraStyle() ));
 
     MacPostControlCreate( pos, size );
 
-#if !wxUSE_STL
+#if !wxUSE_STD_CONTAINERS
     if ( style & wxCB_SORT )
         // autosort
         m_strings = wxArrayString( 1 );
@@ -102,6 +100,13 @@ bool wxChoice::Create(wxWindow *parent,
 // adding/deleting items to/from the list
 // ----------------------------------------------------------------------------
 
+void wxChoice::DoAfterItemCountChange()
+{
+    InvalidateBestSize();
+
+    GetPeer()->SetMaximum( GetCount() );
+}
+
 int wxChoice::DoInsertItems(const wxArrayStringsAdapter & items,
                             unsigned int pos,
                             void **clientData, wxClientDataType type)
@@ -111,7 +116,7 @@ int wxChoice::DoInsertItems(const wxArrayStringsAdapter & items,
     {
         unsigned int idx;
 
-#if wxUSE_STL
+#if wxUSE_STD_CONTAINERS
         if ( IsSorted() )
         {
             wxArrayString::iterator
@@ -120,18 +125,21 @@ int wxChoice::DoInsertItems(const wxArrayStringsAdapter & items,
             m_strings.insert( insertPoint, items[i] );
         }
         else
-#endif // wxUSE_STL
+#endif // wxUSE_STD_CONTAINERS
         {
             idx = pos;
             m_strings.Insert( items[i], idx );
         }
 
-        m_popUpMenu->Insert( idx, i+1, items[i] );
+        wxString text = items[i];
+        if (text == wxEmptyString)
+            text = " ";  // menu items can't have empty labels
+        m_popUpMenu->Insert( idx, i+1, text );
         m_datas.Insert( NULL, idx );
         AssignNewItemClientData(idx, clientData, i, type);
     }
 
-    m_peer->SetMaximum( GetCount() );
+    DoAfterItemCountChange();
 
     return pos - 1;
 }
@@ -142,13 +150,13 @@ void wxChoice::DoDeleteOneItem(unsigned int n)
 
     if ( HasClientObjectData() )
         delete GetClientObject( n );
-    
+
     m_popUpMenu->Delete( m_popUpMenu->FindItemByPosition( n ) );
 
     m_strings.RemoveAt( n ) ;
     m_datas.RemoveAt( n ) ;
-    m_peer->SetMaximum( GetCount() ) ;
 
+    DoAfterItemCountChange();
 }
 
 void wxChoice::DoClear()
@@ -161,7 +169,7 @@ void wxChoice::DoClear()
     m_strings.Empty() ;
     m_datas.Empty() ;
 
-    m_peer->SetMaximum( 0 ) ;
+    DoAfterItemCountChange();
 }
 
 // ----------------------------------------------------------------------------
@@ -169,12 +177,12 @@ void wxChoice::DoClear()
 // ----------------------------------------------------------------------------
 int wxChoice::GetSelection() const
 {
-    return m_peer->GetValue();
+    return GetPeer()->GetValue();
 }
 
 void wxChoice::SetSelection( int n )
 {
-    m_peer->SetValue( n );
+    GetPeer()->SetValue( n );
 }
 
 // ----------------------------------------------------------------------------
@@ -188,7 +196,7 @@ unsigned int wxChoice::GetCount() const
 
 int wxChoice::FindString( const wxString& s, bool bCase ) const
 {
-#if !wxUSE_STL
+#if !wxUSE_STD_CONTAINERS
     // Avoid assert for non-default args passed to sorted array Index
     if ( IsSorted() )
         bCase = true;
@@ -218,74 +226,30 @@ wxString wxChoice::GetString(unsigned int n) const
 // ----------------------------------------------------------------------------
 void wxChoice::DoSetItemClientData(unsigned int n, void* clientData)
 {
-    wxCHECK_RET( IsValid(n), wxT("wxChoice::DoSetItemClientData: invalid index") );
-
     m_datas[n] = (char*)clientData ;
 }
 
 void * wxChoice::DoGetItemClientData(unsigned int n) const
 {
-    wxCHECK_MSG( IsValid(n), NULL, wxT("wxChoice::DoGetClientData: invalid index") );
-
     return (void *)m_datas[n];
 }
 
 bool wxChoice::OSXHandleClicked( double WXUNUSED(timestampsec) )
 {
-    wxCommandEvent event( wxEVT_COMMAND_CHOICE_SELECTED, m_windowId );
-
-    // actually n should be made sure by the os to be a valid selection, but ...
-    int n = GetSelection();
-    if ( n > -1 )
-    {
-        event.SetInt( n );
-        event.SetString( GetStringSelection() );
-        event.SetEventObject( this );
-        
-        if ( HasClientObjectData() )
-            event.SetClientObject( GetClientObject( n ) );
-        else if ( HasClientUntypedData() )
-            event.SetClientData( GetClientData( n ) );
-
-        ProcessCommand( event );
-    }
+    SendSelectionChangedEvent(wxEVT_CHOICE);
 
     return true ;
 }
 
 wxSize wxChoice::DoGetBestSize() const
 {
-    int lbWidth = GetCount() > 0 ? 20 : 100;  // some defaults
-    int lbHeight = 20;
-    int wLine;
-
-    {
-        wxClientDC dc(const_cast<wxChoice*>(this));
-
-        // Find the widest line
-        for(unsigned int i = 0; i < GetCount(); i++)
-        {
-            wxString str(GetString(i));
-
-            wxCoord width, height ;
-            dc.GetTextExtent( str , &width, &height);
-            wLine = width ;
-
-            lbWidth = wxMax( lbWidth, wLine ) ;
-        }
-
-        // Add room for the popup arrow
-        lbWidth += 2 * lbHeight ;
-
-        wxCoord width, height ;
-        dc.GetTextExtent( wxT("X"), &width, &height);
-        int cx = width ;
-        lbHeight += 4;
-
-        lbWidth += cx ;
-    }
+    // We use the base window size for the height (which is wrong as it doesn't
+    // take the font into account -- TODO) and add some margins to the width
+    // computed by the base class method to account for the arrow.
+    const int lbHeight = wxWindow::DoGetBestSize().y;
 
-    return wxSize( lbWidth, lbHeight );
+    return wxSize(wxChoiceBase::DoGetBestSize().x + 2*lbHeight + GetCharWidth(),
+                  lbHeight);
 }
 
 #endif // wxUSE_CHOICE