don't crash in UnselectAll() if the tree has no root

[wxWidgets.git] / src / mac / choice.cpp

diff --git a/src/mac/choice.cpp b/src/mac/choice.cpp
index 9c4e7d94a9861a9dc33492cecc1dfd56040f7e57..2ec18bc54626c5ab24817281369e4dc3ce5220f1 100644 (file)
--- a/src/mac/choice.cpp
+++ b/src/mac/choice.cpp
@@ -13,7 +13,8 @@
 #pragma implementation "choice.h"
 #endif
 
-// For compilers that support precompilation, includes "wx.h".
+#include "wx/defs.h"
+
 #include "wx/choice.h"
 #include "wx/menu.h"
 #include "wx/mac/uma.h"
@@ -22,12 +23,12 @@
 IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControl)
 #endif
 
-short nextMenuId = 100 ; // wxMenu takes the lower ids
+extern MenuHandle NewUniqueMenu() ;
 
 wxChoice::~wxChoice()
 {
        // DeleteMenu( m_macPopUpMenuId ) ;
-       DisposeMenu( m_macPopUpMenuHandle ) ;
+       // DisposeMenu( m_macPopUpMenuHandle ) ;
 }
 
 bool wxChoice::Create(wxWindow *parent, wxWindowID id,
@@ -44,10 +45,10 @@ bool wxChoice::Create(wxWindow *parent, wxWindowID id,
        
                MacPreControlCreate( parent , id ,  "" , pos , size ,style, validator , name , &bounds , title ) ;
 
-               m_macControl = UMANewControl( parent->GetMacRootWindow() , &bounds , title , true , 0 , -12345 , 0 , 
+               m_macControl = ::NewControl( parent->MacGetRootWindow() , &bounds , title , false , 0 , -12345 , 0 , 
                kControlPopupButtonProc + kControlPopupFixedWidthVariant , (long) this ) ; 
        
-               m_macPopUpMenuHandle =  NewMenu( 1 , "\pPopUp Menu" ) ;
+               m_macPopUpMenuHandle =  NewUniqueMenu() ;
                SetControlData( m_macControl , kControlNoPart , kControlPopupButtonMenuHandleTag , sizeof( MenuHandle ) , (char*) &m_macPopUpMenuHandle) ;
                SetControlMinimum( m_macControl , 0 ) ;
                SetControlMaximum( m_macControl , 0) ;
@@ -76,7 +77,7 @@ int wxChoice::DoAppend(const wxString& item)
        m_datas.Add( NULL ) ;
        int index = m_strings.GetCount()  - 1  ;
        DoSetItemClientData( index , NULL ) ;
-       SetControlMaximum( m_macControl , Number()) ;
+       SetControlMaximum( m_macControl , GetCount()) ;
        return index ;
 }
 
@@ -91,7 +92,8 @@ void wxChoice::Delete(int n)
 
     ::DeleteMenuItem( m_macPopUpMenuHandle , n + 1) ;
     m_strings.Remove( n ) ;
-         SetControlMaximum( m_macControl , Number()) ;
+    m_datas.RemoveAt( n ) ;
+       SetControlMaximum( m_macControl , GetCount()) ;
 }
 
 void wxChoice::Clear()
@@ -104,7 +106,7 @@ void wxChoice::Clear()
          }
     m_strings.Empty() ;
     m_datas.Empty() ;
-         SetControlMaximum( m_macControl , 0 ) ;
+       SetControlMaximum( m_macControl , 0 ) ;
 }
 
 void wxChoice::Free()
@@ -214,6 +216,13 @@ void wxChoice::MacHandleControlClick( ControlHandle control , SInt16 controlpart
     event.SetString(GetStringSelection());
     ProcessCommand(event);
 }
+
+wxSize wxChoice::DoGetBestSize() const
+{
+    // TODO should modify this to take into account string length ala wxGTK
+    return wxSize(100,20);
+}
+
 /*
 void wxChoice::Command(wxCommandEvent & event)
 {