A little clarification

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

diff --git a/src/mac/carbon/choice.cpp b/src/mac/carbon/choice.cpp
index 6c8444fc8af4cd7851530de623ecbd8ab92601ef..55a9268e108486daed5eee2e83d1b3005e5b0921 100644 (file)
--- a/src/mac/carbon/choice.cpp
+++ b/src/mac/carbon/choice.cpp
@@ -1,19 +1,19 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        choice.cpp
 // Purpose:     wxChoice
 /////////////////////////////////////////////////////////////////////////////
 // Name:        choice.cpp
 // Purpose:     wxChoice

-// Author:      AUTHOR
+// Author:      Stefan Csomor

 // Modified by:
 // Modified by:

-// Created:     ??/??/98
+// Created:     1998-01-01

 // RCS-ID:      $Id$
 // RCS-ID:      $Id$

-// Copyright:   (c) AUTHOR
-// Licence:    wxWindows licence
+// Copyright:   (c) Stefan Csomor
+// Licence:       wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
 #pragma implementation "choice.h"
 #endif
 
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
 #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"
 #include "wx/choice.h"
 #include "wx/menu.h"
 #include "wx/mac/uma.h"


@@ -22,150 +22,265 @@
 IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControl)
 #endif
 
 IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControl)
 #endif
 

-short nextMenuId = 100 ; // wxMenu takes the lower ids
+extern MenuHandle NewUniqueMenu() ;

 
 wxChoice::~wxChoice()
 {
 
 wxChoice::~wxChoice()
 {

-       // DeleteMenu( m_macPopUpMenuId ) ;
-       DisposeMenu( m_macPopUpMenuHandle ) ;
+    if ( HasClientObjectData() )
+    {
+        size_t i, max = GetCount();
+
+        for ( i = 0; i < max; ++i )
+            delete GetClientObject(i);
+    }
+
+        // DeleteMenu( m_macPopUpMenuId ) ;
+    // DisposeMenu( m_macPopUpMenuHandle ) ;

 }
 
 bool wxChoice::Create(wxWindow *parent, wxWindowID id,
            const wxPoint& pos,
            const wxSize& size,
 }
 
 bool wxChoice::Create(wxWindow *parent, wxWindowID id,
            const wxPoint& pos,
            const wxSize& size,

-                  int n, const wxString choices[],
-                  long style,
+           int n, const wxString choices[],
+           long style,

            const wxValidator& validator,
            const wxString& name)
 {
            const wxValidator& validator,
            const wxString& name)
 {

+    if ( !wxChoiceBase::Create(parent, id, pos, size, style, validator, name) )
+        return false;

 
 

-               Rect bounds ;
-               Str255 title ;
-       
-               MacPreControlCreate( parent , id ,  "" , pos , size ,style, validator , name , &bounds , title ) ;
-
-               m_macPopUpMenuHandle =  NewMenu( 1 , "\pPopUp Menu" ) ;
-               m_macControl = UMANewControl( parent->GetMacRootWindow() , &bounds , title , true , 0 , -12345 , 0 , 
-               kControlPopupButtonProc + kControlPopupFixedWidthVariant , (long) this ) ; 
-       
-               m_macPopUpMenuHandle =  NewMenu( 1 , "\pPopUp Menu" ) ;
-               SetControlData( m_macControl , kControlNoPart , kControlPopupButtonMenuHandleTag , sizeof( MenuHandle ) , (char*) &m_macPopUpMenuHandle) ;
-               for ( int i = 0 ; i < n ; i++ )
-               {
-                       Str255 label;
-                       wxMenuItem::MacBuildMenuString( label , NULL , NULL , choices[i] ,false);
-                       AppendMenu( m_macPopUpMenuHandle , label ) ;
-                       m_strings.Add( choices[i] ) ;
-               }
-               SetControlMinimum( m_macControl , 0 ) ;
-               SetControlMaximum( m_macControl , Number()) ;
-               if ( n > 0 )
-                       SetControlValue( m_macControl , 1 ) ;
+    Rect bounds ;
+    Str255 title ;

 
 

-               MacPostControlCreate() ;
+    MacPreControlCreate( parent , id ,  wxEmptyString , pos , size ,style, validator , name , &bounds , title ) ;
+    m_macControl = ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , title , false , 0 , -12345 , 0 ,
+        kControlPopupButtonProc + kControlPopupFixedWidthVariant , (long) this ) ;

 
 

-       return TRUE;
+    m_macPopUpMenuHandle =  NewUniqueMenu() ;
+    SetControlData( (ControlHandle) m_macControl , kControlNoPart , kControlPopupButtonMenuHandleTag , sizeof( MenuHandle ) , (char*) &m_macPopUpMenuHandle) ;
+    SetControl32BitMinimum( (ControlHandle) m_macControl , 0 ) ;
+    SetControl32BitMaximum( (ControlHandle) m_macControl , 0) ;
+    if ( n > 0 )
+        SetControl32BitValue( (ControlHandle) m_macControl , 1 ) ;
+    MacPostControlCreate() ;
+    // TODO wxCB_SORT
+    for ( int i = 0; i < n; i++ )
+    {
+        Append(choices[i]);
+    }
+    return TRUE;

 }
 
 }
 

-void wxChoice::Append(const wxString& item)
+// ----------------------------------------------------------------------------
+// adding/deleting items to/from the list
+// ----------------------------------------------------------------------------
+int wxChoice::DoAppend(const wxString& item)

 {
 {

-       Str255 label;
-       wxMenuItem::MacBuildMenuString( label , NULL , NULL , item ,false);
-       AppendMenu( m_macPopUpMenuHandle , label ) ;
-       m_strings.Add( item ) ;
-       SetControlMaximum( m_macControl , Number()) ;
+    UMAAppendMenuItem(MAC_WXHMENU( m_macPopUpMenuHandle ) , item);
+    m_strings.Add( item ) ;
+    m_datas.Add( NULL ) ;
+    int index = m_strings.GetCount()  - 1  ;
+    DoSetItemClientData( index , NULL ) ;
+    SetControl32BitMaximum( (ControlHandle) m_macControl , GetCount()) ;
+    return index ;

 }
 
 }
 

-void wxChoice::Append(const wxString &item, void *client_data)
+int wxChoice::DoInsert(const wxString& item, int pos)

 {
 {

-}
+    wxCHECK_MSG(!(GetWindowStyle() & wxCB_SORT), -1, wxT("can't insert into sorted list"));
+    wxCHECK_MSG((pos>=0) && (pos<=GetCount()), -1, wxT("invalid index"));

 
 

-void *wxChoice::GetClientData(int index) const
-{
-   return NULL;
+    if (pos == GetCount())
+        return DoAppend(item);
+
+    UMAAppendMenuItem(MAC_WXHMENU( m_macPopUpMenuHandle ) , item);
+    m_strings.Insert( item, pos ) ;
+    m_datas.Insert( NULL, pos ) ;
+    DoSetItemClientData( pos , NULL ) ;
+    SetControl32BitMaximum( (ControlHandle) m_macControl , pos) ;
+    return pos ;

 }
 
 void wxChoice::Delete(int n)
 {
 }
 
 void wxChoice::Delete(int n)
 {

-    ::DeleteMenuItem( m_macPopUpMenuHandle , n + 1) ;
-    m_strings.Remove( n ) ;
-       SetControlMaximum( m_macControl , Number()) ;
+    wxCHECK_RET( n < GetCount(), wxT("invalid item index in wxChoice::Delete") );
+    if ( HasClientObjectData() )
+    {
+        delete GetClientObject(n);
+    }
+    ::DeleteMenuItem( MAC_WXHMENU(m_macPopUpMenuHandle) , n + 1) ;
+    m_strings.RemoveAt( n ) ;
+    m_datas.RemoveAt( n ) ;
+    SetControl32BitMaximum( (ControlHandle) m_macControl , GetCount()) ;

 }
 
 void wxChoice::Clear()
 {
 }
 
 void wxChoice::Clear()
 {

-    for ( int i = 0 ; i < Number() ; i++ )
+    FreeData();
+    for ( int i = 0 ; i < GetCount() ; i++ )

     {
     {

-       ::DeleteMenuItem( m_macPopUpMenuHandle , 1 ) ;
-       }
-    m_strings.Clear() ;
-       SetControlMaximum( m_macControl , Number()) ;
+        ::DeleteMenuItem( MAC_WXHMENU(m_macPopUpMenuHandle) , 1 ) ;
+    }
+    m_strings.Empty() ;
+    m_datas.Empty() ;
+    SetControl32BitMaximum( (ControlHandle) m_macControl , 0 ) ;
+}
+
+void wxChoice::FreeData()
+{
+    if ( HasClientObjectData() )
+    {
+        size_t count = GetCount();
+        for ( size_t n = 0; n < count; n++ )
+        {
+            delete GetClientObject(n);
+        }
+    }

 }
 
 }
 

+// ----------------------------------------------------------------------------
+// selection
+// ----------------------------------------------------------------------------

 int wxChoice::GetSelection() const
 {
 int wxChoice::GetSelection() const
 {

-    return GetControlValue( m_macControl ) -1 ;
+    return GetControl32BitValue( (ControlHandle) m_macControl ) -1 ;

 }
 
 }
 

-void wxChoice::MacHandleControlClick( ControlHandle control , SInt16 controlpart ) 
+void wxChoice::SetSelection(int n)

 {
 {

-    wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, m_windowId );
-       event.SetInt(GetSelection());
-    event.SetEventObject(this);
-    event.SetString(GetStringSelection());
-    ProcessCommand(event);
+    SetControl32BitValue( (ControlHandle) m_macControl , n + 1 ) ;

 }
 
 }
 

+// ----------------------------------------------------------------------------
+// string list functions
+// ----------------------------------------------------------------------------

 
 

-void wxChoice::SetSelection(int n)
+int wxChoice::GetCount() const

 {
 {

-    SetControlValue( m_macControl , n + 1 ) ;
+    return m_strings.GetCount() ;

 }
 
 int wxChoice::FindString(const wxString& s) const
 {
 }
 
 int wxChoice::FindString(const wxString& s) const
 {

-    for( int i = 0 ; i < Number() ; i++ )
+    for( int i = 0 ; i < GetCount() ; i++ )

     {
     {

-       if ( GetString( i ) == s )
-               return i ; 
+        if ( GetString( i ).IsSameAs(s, FALSE) )
+            return i ;

     }
     }

-    return -1;
+    return wxNOT_FOUND ;
+}
+
+void wxChoice::SetString(int n, const wxString& s)
+{
+    wxFAIL_MSG(wxT("wxChoice::SetString() not yet implemented"));
+#if 0 // should do this, but no Insert() so far
+    Delete(n);
+    Insert(n + 1, s);
+#endif

 }
 
 wxString wxChoice::GetString(int n) const
 {
 }
 
 wxString wxChoice::GetString(int n) const
 {

-       return m_strings[n] ;
+    wxCHECK_MSG( n >= 0 && (size_t)n < m_strings.GetCount(), _T(""),
+                    _T("wxChoice::GetString(): invalid index") );
+
+    return m_strings[n] ;

 }
 
 }
 

-void wxChoice::SetSize(int x, int y, int width, int height, int sizeFlags)
+// ----------------------------------------------------------------------------
+// client data
+// ----------------------------------------------------------------------------
+void wxChoice::DoSetItemClientData( int n, void* clientData )

 {
 {

-  wxControl::SetSize( x,y,width,height,sizeFlags ) ;
+    wxCHECK_RET( n >= 0 && (size_t)n < m_datas.GetCount(),
+                 wxT("invalid index in wxChoice::SetClientData") );
+
+    m_datas[n] = (char*) clientData ;

 }
 
 }
 

-wxString wxChoice::GetStringSelection () const
+void *wxChoice::DoGetItemClientData(int n) const

 {
 {

-    int sel = GetSelection ();
-    if (sel > -1)
-        return wxString(this->GetString (sel));
-    else
-        return wxString("");
+    wxCHECK_MSG( n >= 0 && (size_t)n < m_datas.GetCount(), NULL,
+                 wxT("invalid index in wxChoice::GetClientData") );
+    return (void *)m_datas[n];

 }
 
 }
 

-bool wxChoice::SetStringSelection (const wxString& s)
+void wxChoice::DoSetItemClientObject( int n, wxClientData* clientData )

 {
 {

-    int sel = FindString (s);
-    if (sel > -1)
-        {
-            SetSelection (sel);
-            return TRUE;
-        }
-    else
-        return FALSE;
+    DoSetItemClientData(n, clientData);
+}
+
+wxClientData* wxChoice::DoGetItemClientObject( int n ) const
+{
+    return (wxClientData *)DoGetItemClientData(n);

 }
 
 }
 

-void wxChoice::Command(wxCommandEvent & event)
+void wxChoice::MacHandleControlClick( WXWidget control , wxInt16 controlpart , bool WXUNUSED(mouseStillDown)) 

 {
 {

-    SetSelection (event.GetInt());
-    ProcessCommand (event);
+    wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, m_windowId );
+    int n = GetSelection();
+    // actually n should be made sure by the os to be a valid selection, but ...
+    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);
+    }

 }
 
 }
 

+wxSize wxChoice::DoGetBestSize() const
+{
+    int lbWidth = GetCount() > 0 ? 20 : 100;  // some defaults
+    int lbHeight = 20;
+    int wLine;
+#if TARGET_CARBON
+    long metric ;
+    GetThemeMetric(kThemeMetricPopupButtonHeight , &metric );
+    lbHeight = metric ;
+#endif
+    {
+        wxMacPortStateHelper st( UMAGetWindowPort( (WindowRef) MacGetRootWindow() ) ) ;
+        if ( m_font.Ok() )
+        {
+            ::TextFont( m_font.GetMacFontNum() ) ;
+            ::TextSize( m_font.GetMacFontSize() ) ;
+            ::TextFace( m_font.GetMacFontStyle() ) ;
+        }
+        else
+        {
+            ::TextFont( kFontIDMonaco ) ;
+            ::TextSize( 9  );
+            ::TextFace( 0 ) ;
+        }
+        // Find the widest line
+        for(int i = 0; i < GetCount(); i++) {
+            wxString str(GetString(i));
+        #if wxUSE_UNICODE
+            Point bounds={0,0} ;
+            SInt16 baseline ;
+            ::GetThemeTextDimensions( wxMacCFStringHolder( str ) ,
+                kThemeCurrentPortFont,
+                kThemeStateActive,
+                false,
+                &bounds,
+                &baseline );
+            wLine = bounds.h ;
+        #else
+            wLine = ::TextWidth( str.c_str() , 0 , str.Length() ) ;
+        #endif
+            lbWidth = wxMax(lbWidth, wLine);
+        }
+        // Add room for the popup arrow
+        lbWidth += 2 * lbHeight ;
+        // And just a bit more
+        int cx = ::TextWidth( "X" , 0 , 1 ) ;
+        lbWidth += cx ;
+
+    }
+    return wxSize(lbWidth, lbHeight);
+}