Ensure there is valid context for DrawRectangle

[wxWidgets.git] / src / generic / odcombo.cpp

diff --git a/src/generic/odcombo.cpp b/src/generic/odcombo.cpp
index 48ed294d6016478bba04e346cfc6c0625c5f0f51..451026384fbe233fc56a5b3dec8c43d8be5e87bc 100644 (file)
--- a/src/generic/odcombo.cpp
+++ b/src/generic/odcombo.cpp
@@ -33,6 +33,7 @@
     #include "wx/dcclient.h"
     #include "wx/settings.h"
     #include "wx/dialog.h"
     #include "wx/dcclient.h"
     #include "wx/settings.h"
     #include "wx/dialog.h"

+    #include "wx/textctrl.h"

 #endif
 
 #include "wx/combo.h"
 #endif
 
 #include "wx/combo.h"


@@ -41,6 +42,8 @@
 // implementation
 // ============================================================================
 
 // implementation
 // ============================================================================
 

+// time in milliseconds before partial completion buffer drops
+#define wxODCB_PARTIAL_COMPLETION_TIME 1000

 
 // ----------------------------------------------------------------------------
 // wxVListBoxComboPopup is a wxVListBox customized to act as a popup control
 
 // ----------------------------------------------------------------------------
 // wxVListBoxComboPopup is a wxVListBox customized to act as a popup control


@@ -51,6 +54,7 @@
 BEGIN_EVENT_TABLE(wxVListBoxComboPopup, wxVListBox)
     EVT_MOTION(wxVListBoxComboPopup::OnMouseMove)
     EVT_KEY_DOWN(wxVListBoxComboPopup::OnKey)
 BEGIN_EVENT_TABLE(wxVListBoxComboPopup, wxVListBox)
     EVT_MOTION(wxVListBoxComboPopup::OnMouseMove)
     EVT_KEY_DOWN(wxVListBoxComboPopup::OnKey)

+    EVT_CHAR(wxVListBoxComboPopup::OnChar)

     EVT_LEFT_UP(wxVListBoxComboPopup::OnLeftClick)
 END_EVENT_TABLE()
 
     EVT_LEFT_UP(wxVListBoxComboPopup::OnLeftClick)
 END_EVENT_TABLE()
 


@@ -58,12 +62,14 @@ END_EVENT_TABLE()
 void wxVListBoxComboPopup::Init()
 {
     m_widestWidth = 0;
 void wxVListBoxComboPopup::Init()
 {
     m_widestWidth = 0;

-    m_avgCharWidth = 0;
-    m_baseImageWidth = 0;
+    m_widestItem = -1;
+    m_widthsDirty = false;
+    m_findWidest = false;

     m_itemHeight = 0;
     m_value = -1;
     m_itemHover = -1;
     m_clientDataItemsType = wxClientData_None;
     m_itemHeight = 0;
     m_value = -1;
     m_itemHover = -1;
     m_clientDataItemsType = wxClientData_None;

+    m_partialCompletionString = wxEmptyString;

 }
 
 bool wxVListBoxComboPopup::Create(wxWindow* parent)
 }
 
 bool wxVListBoxComboPopup::Create(wxWindow* parent)


@@ -90,6 +96,18 @@ wxVListBoxComboPopup::~wxVListBoxComboPopup()
     Clear();
 }
 
     Clear();
 }
 

+void wxVListBoxComboPopup::SetFocus()
+{
+    // Suppress SetFocus() warning by simply not calling it. This combo popup
+    // has already been designed with the assumption that SetFocus() may not
+    // do anything useful, so it really doesn't need to be called.
+#ifdef __WXMSW__
+    //
+#else
+    wxVListBox::SetFocus();
+#endif
+}
+

 bool wxVListBoxComboPopup::LazyCreate()
 {
     // NB: There is a bug with wxVListBox that can be avoided by creating
 bool wxVListBoxComboPopup::LazyCreate()
 {
     // NB: There is a bug with wxVListBox that can be avoided by creating


@@ -103,10 +121,16 @@ void wxVListBoxComboPopup::PaintComboControl( wxDC& dc, const wxRect& rect )
 {
     if ( !(m_combo->GetWindowStyle() & wxODCB_STD_CONTROL_PAINT) )
     {
 {
     if ( !(m_combo->GetWindowStyle() & wxODCB_STD_CONTROL_PAINT) )
     {

-        m_combo->DrawFocusBackground(dc,rect,0);
+        int flags = wxODCB_PAINTING_CONTROL;
+
+        if ( m_combo->ShouldDrawFocus() )
+            flags |= wxODCB_PAINTING_SELECTED;
+
+        OnDrawBg(dc, rect, m_value, flags);
+

         if ( m_value >= 0 )
         {
         if ( m_value >= 0 )
         {

-            OnDrawItem(dc,rect,m_value,wxCP_PAINTING_CONTROL);
+            OnDrawItem(dc,rect,m_value,flags);

             return;
         }
     }
             return;
         }
     }


@@ -119,67 +143,94 @@ void wxVListBoxComboPopup::OnDrawItem(wxDC& dc, const wxRect& rect, size_t n) co
     // TODO: Maybe this code could be moved to wxVListBox::OnPaint?
     dc.SetFont(m_useFont);
 
     // TODO: Maybe this code could be moved to wxVListBox::OnPaint?
     dc.SetFont(m_useFont);
 

+    int flags = 0;
+

     // Set correct text colour for selected items
     if ( wxVListBox::GetSelection() == (int) n )
     // Set correct text colour for selected items
     if ( wxVListBox::GetSelection() == (int) n )

+    {

         dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) );
         dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) );

+        flags |= wxODCB_PAINTING_SELECTED;
+    }

     else
     else

+    {

         dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT) );
         dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT) );

+    }
+
+    OnDrawItem(dc,rect,(int)n,flags);
+}

 
 

-    OnDrawItem(dc,rect,(int)n,0);
+wxCoord wxVListBoxComboPopup::OnMeasureItem(size_t n) const
+{
+    wxOwnerDrawnComboBox* combo = (wxOwnerDrawnComboBox*) m_combo;
+
+    wxASSERT_MSG( wxDynamicCast(combo, wxOwnerDrawnComboBox),
+                  wxT("you must subclass wxVListBoxComboPopup for drawing and measuring methods") );
+
+    wxCoord h = combo->OnMeasureItem(n);
+    if ( h < 0 )
+        h = m_itemHeight;
+    return h;

 }
 
 }
 

-wxCoord wxVListBoxComboPopup::OnMeasureItem(size_t WXUNUSED(n)) const
+wxCoord wxVListBoxComboPopup::OnMeasureItemWidth(size_t n) const

 {
 {

-    return m_itemHeight;
+    wxOwnerDrawnComboBox* combo = (wxOwnerDrawnComboBox*) m_combo;
+
+    wxASSERT_MSG( wxDynamicCast(combo, wxOwnerDrawnComboBox),
+                  wxT("you must subclass wxVListBoxComboPopup for drawing and measuring methods") );
+
+    return combo->OnMeasureItemWidth(n);

 }
 
 }
 

-wxCoord wxVListBoxComboPopup::OnMeasureItemWidth(size_t WXUNUSED(n)) const
+void wxVListBoxComboPopup::OnDrawBg( wxDC& dc,
+                                     const wxRect& rect,
+                                     int item,
+                                     int flags ) const

 {
 {

-    //return OnMeasureListItemWidth(n);
-    return -1;
+    wxOwnerDrawnComboBox* combo = (wxOwnerDrawnComboBox*) m_combo;
+
+    wxASSERT_MSG( wxDynamicCast(combo, wxOwnerDrawnComboBox),
+                  wxT("you must subclass wxVListBoxComboPopup for drawing and measuring methods") );
+
+    if ( IsCurrent((size_t)item) && !(flags & wxODCB_PAINTING_CONTROL) )
+        flags |= wxODCB_PAINTING_SELECTED;
+
+    combo->OnDrawBackground(dc,rect,item,flags);

 }
 
 void wxVListBoxComboPopup::OnDrawBackground(wxDC& dc, const wxRect& rect, size_t n) const
 {
 }
 
 void wxVListBoxComboPopup::OnDrawBackground(wxDC& dc, const wxRect& rect, size_t n) const
 {

-    // we need to render selected and current items differently
-    if ( IsCurrent(n) )
-    {
-        m_combo->DrawFocusBackground( dc, rect, wxCONTROL_ISSUBMENU|wxCONTROL_SELECTED );
-    }
-    //else: do nothing for the normal items
+    OnDrawBg(dc,rect,(int)n,0);

 }
 
 // This is called from wxVListBoxComboPopup::OnDrawItem, with text colour and font prepared
 void wxVListBoxComboPopup::OnDrawItem( wxDC& dc, const wxRect& rect, int item, int flags ) const
 {
 }
 
 // This is called from wxVListBoxComboPopup::OnDrawItem, with text colour and font prepared
 void wxVListBoxComboPopup::OnDrawItem( wxDC& dc, const wxRect& rect, int item, int flags ) const
 {

-    if ( flags & wxCP_PAINTING_CONTROL )
-    {
-        dc.DrawText( m_combo->GetValue(),
-                     rect.x + m_combo->GetTextIndent(),
-                     (rect.height-dc.GetCharHeight())/2 + rect.y );
-    }
-    else
-    {
-        dc.DrawText( GetString(item), rect.x + 2, rect.y );
-    }
+    wxOwnerDrawnComboBox* combo = (wxOwnerDrawnComboBox*) m_combo;
+
+    wxASSERT_MSG( wxDynamicCast(combo, wxOwnerDrawnComboBox),
+                  wxT("you must subclass wxVListBoxComboPopup for drawing and measuring methods") );
+
+    combo->OnDrawItem(dc,rect,item,flags);

 }
 
 void wxVListBoxComboPopup::DismissWithEvent()
 {
 }
 
 void wxVListBoxComboPopup::DismissWithEvent()
 {

+    StopPartialCompletion();
+

     int selection = wxVListBox::GetSelection();
 
     Dismiss();
 
     int selection = wxVListBox::GetSelection();
 
     Dismiss();
 

-    wxString valStr;

     if ( selection != wxNOT_FOUND )
     if ( selection != wxNOT_FOUND )

-        valStr = m_strings[selection];
+        m_stringValue = m_strings[selection];

     else
     else

-        valStr = wxEmptyString;
+        m_stringValue = wxEmptyString;

 
 

-    m_value = selection;
+    if ( m_stringValue != m_combo->GetValue() )
+        m_combo->SetValueByUser(m_stringValue);

 
 

-    if ( valStr != m_combo->GetValue() )
-        m_combo->SetValue(valStr);
+    m_value = selection;

 
     SendComboBoxEvent(selection);
 }
 
     SendComboBoxEvent(selection);
 }


@@ -206,26 +257,97 @@ void wxVListBoxComboPopup::SendComboBoxEvent( int selection )
 }
 
 // returns true if key was consumed
 }
 
 // returns true if key was consumed

-bool wxVListBoxComboPopup::HandleKey( int keycode, bool saturate )
+bool wxVListBoxComboPopup::HandleKey( int keycode, bool saturate, wxChar keychar )

 {
 {

+    const int itemCount = GetCount();
+
+    // keys do nothing in the empty control and returning immediately avoids
+    // using invalid indices below
+    if ( !itemCount )
+        return false;
+

     int value = m_value;
     int value = m_value;

-    int itemCount = GetCount();
+    int comboStyle = m_combo->GetWindowStyle();

 
 

-    if ( keycode == WXK_DOWN || keycode == WXK_RIGHT )
+    if ( keychar > 0 )
+    {
+        // we have character equivalent of the keycode; filter out these that
+        // are not printable characters
+        if ( !wxIsprint(keychar) )
+            keychar = 0;
+    }
+
+    const bool readOnly = (comboStyle & wxCB_READONLY) != 0;
+
+    if ( keycode == WXK_DOWN || keycode == WXK_NUMPAD_DOWN || ( keycode == WXK_RIGHT && readOnly ) )

     {
         value++;
     {
         value++;

+        StopPartialCompletion();

     }
     }

-    else if ( keycode == WXK_UP || keycode == WXK_LEFT )
+    else if ( keycode == WXK_UP || keycode == WXK_NUMPAD_UP || ( keycode == WXK_LEFT && readOnly ) )

     {
         value--;
     {
         value--;

+        StopPartialCompletion();

     }
     }

-    else if ( keycode == WXK_PAGEDOWN )
+    else if ( keycode == WXK_PAGEDOWN || keycode == WXK_NUMPAD_PAGEDOWN )

     {
         value+=10;
     {
         value+=10;

+        StopPartialCompletion();

     }
     }

-    else if ( keycode == WXK_PAGEUP )
+    else if ( keycode == WXK_PAGEUP || keycode == WXK_NUMPAD_PAGEUP )

     {
         value-=10;
     {
         value-=10;

+        StopPartialCompletion();
+    }
+    else if ( ( keycode == WXK_HOME || keycode == WXK_NUMPAD_HOME ) && readOnly )
+    {
+        value=0;
+        StopPartialCompletion();
+    }
+    else if ( ( keycode == WXK_END || keycode == WXK_NUMPAD_END ) && readOnly )
+    {
+        value=itemCount-1;
+        StopPartialCompletion();
+    }
+    else if ( keychar && readOnly )
+    {
+        // Try partial completion
+
+        // find the new partial completion string
+#if wxUSE_TIMER
+        if (m_partialCompletionTimer.IsRunning())
+            m_partialCompletionString+=wxString(keychar);
+        else
+#endif // wxUSE_TIMER
+            m_partialCompletionString=wxString(keychar);
+
+        // now search through the values to see if this is found
+        int found = -1;
+        unsigned int length=m_partialCompletionString.length();
+        int i;
+        for (i=0; i<itemCount; i++)
+        {
+            wxString item=GetString(i);
+            if (( item.length() >= length) && (!  m_partialCompletionString.CmpNoCase(item.Left(length))))
+            {
+                found=i;
+                break;
+            }
+        }
+
+        if (found<0)
+        {
+            StopPartialCompletion();
+            ::wxBell();
+            return true; // to stop the first value being set
+        }
+        else
+        {
+            value=i;
+#if wxUSE_TIMER
+            m_partialCompletionTimer.Start(wxODCB_PARTIAL_COMPLETION_TIME, true);
+#endif // wxUSE_TIMER
+        }

     }
     else
         return false;
     }
     else
         return false;


@@ -250,16 +372,29 @@ bool wxVListBoxComboPopup::HandleKey( int keycode, bool saturate )
         // (good for consistency)
         return true;
 
         // (good for consistency)
         return true;
 

-    m_value = value;
-

     if ( value >= 0 )
     if ( value >= 0 )

-        m_combo->SetValue(m_strings[value]);
+        m_combo->ChangeValue(m_strings[value]);
+
+    // The m_combo->SetValue() call above sets m_value to the index of this
+    // string. But if there are more identical string, the index is of the
+    // first occurrence, which may be wrong, so set the index explicitly here,
+    // _after_ the SetValue() call.
+    m_value = value;

 
     SendComboBoxEvent(m_value);
 
     return true;
 }
 
 
     SendComboBoxEvent(m_value);
 
     return true;
 }
 

+// stop partial completion
+void wxVListBoxComboPopup::StopPartialCompletion()
+{
+    m_partialCompletionString = wxEmptyString;
+#if wxUSE_TIMER
+    m_partialCompletionTimer.Stop();
+#endif // wxUSE_TIMER
+}
+

 void wxVListBoxComboPopup::OnComboDoubleClick()
 {
     // Cycle on dclick (disable saturation to allow true cycling).
 void wxVListBoxComboPopup::OnComboDoubleClick()
 {
     // Cycle on dclick (disable saturation to allow true cycling).


@@ -272,7 +407,21 @@ void wxVListBoxComboPopup::OnComboDoubleClick()
 void wxVListBoxComboPopup::OnComboKeyEvent( wxKeyEvent& event )
 {
     // Saturated key movement on
 void wxVListBoxComboPopup::OnComboKeyEvent( wxKeyEvent& event )
 {
     // Saturated key movement on

-    if ( !HandleKey(event.GetKeyCode(),true) )
+    if ( !HandleKey(event.GetKeyCode(), true) )
+        event.Skip();
+}
+
+void wxVListBoxComboPopup::OnComboCharEvent( wxKeyEvent& event )
+{
+    // unlike in OnComboKeyEvent, wxEVT_CHAR contains meaningful
+    // printable character information, so pass it
+#if wxUSE_UNICODE
+    const wxChar charcode = event.GetUnicodeKey();
+#else
+    const wxChar charcode = (wxChar)event.GetKeyCode();
+#endif
+
+    if ( !HandleKey(event.GetKeyCode(), true, charcode) )

         event.Skip();
 }
 
         event.Skip();
 }
 


@@ -284,12 +433,30 @@ void wxVListBoxComboPopup::OnPopup()
 
 void wxVListBoxComboPopup::OnMouseMove(wxMouseEvent& event)
 {
 
 void wxVListBoxComboPopup::OnMouseMove(wxMouseEvent& event)
 {

+    event.Skip();
+

     // Move selection to cursor if it is inside the popup
     // Move selection to cursor if it is inside the popup

-    int itemHere = GetItemAtPosition(event.GetPosition());
-    if ( itemHere >= 0 )
-        wxVListBox::SetSelection(itemHere);

 
 

-    event.Skip();
+    int y = event.GetPosition().y;
+    int fromBottom = GetClientSize().y - y;
+
+    // Since in any case we need to find out if the last item is only
+    // partially visible, we might just as well replicate the HitTest
+    // loop here.
+    const size_t lineMax = GetVisibleEnd();
+    for ( size_t line = GetVisibleBegin(); line < lineMax; line++ )
+    {
+        y -= OnGetRowHeight(line);
+        if ( y < 0 )
+        {
+            // Only change selection if item is fully visible
+            if ( (y + fromBottom) >= 0 )
+            {
+                wxVListBox::SetSelection((int)line);
+                return;
+            }
+        }
+    }

 }
 
 void wxVListBoxComboPopup::OnLeftClick(wxMouseEvent& WXUNUSED(event))
 }
 
 void wxVListBoxComboPopup::OnLeftClick(wxMouseEvent& WXUNUSED(event))


@@ -299,36 +466,51 @@ void wxVListBoxComboPopup::OnLeftClick(wxMouseEvent& WXUNUSED(event))
 
 void wxVListBoxComboPopup::OnKey(wxKeyEvent& event)
 {
 
 void wxVListBoxComboPopup::OnKey(wxKeyEvent& event)
 {

+    // Hide popup if certain key or key combination was pressed
+    if ( m_combo->IsKeyPopupToggle(event) )
+    {
+        StopPartialCompletion();
+        Dismiss();
+    }
+    else if ( event.AltDown() )
+    {
+        // On both wxGTK and wxMSW, pressing Alt down seems to
+        // completely freeze things in popup (ie. arrow keys and
+        // enter won't work).
+        return;
+    }

     // Select item if ENTER is pressed
     // Select item if ENTER is pressed

-    if ( event.GetKeyCode() == WXK_RETURN || event.GetKeyCode() == WXK_NUMPAD_ENTER )
+    else if ( event.GetKeyCode() == WXK_RETURN || event.GetKeyCode() == WXK_NUMPAD_ENTER )

     {
         DismissWithEvent();
     }
     {
         DismissWithEvent();
     }

-    // Hide popup if ESC is pressed
-    else if ( event.GetKeyCode() == WXK_ESCAPE )
-        Dismiss();

     else
     else

+    {
+        // completion is handled in OnChar() below

         event.Skip();
         event.Skip();

+    }

 }
 
 }
 

-void wxVListBoxComboPopup::CheckWidth( int pos )
+void wxVListBoxComboPopup::OnChar(wxKeyEvent& event)

 {
 {

-    wxCoord x = OnMeasureItemWidth(pos);
-
-    if ( x < 0 )
+    if ( m_combo->GetWindowStyle() & wxCB_READONLY )

     {
     {

-        if ( !m_useFont.Ok() )
-            m_useFont = m_combo->GetFont();
-
-        wxCoord y;
-        m_combo->GetTextExtent(m_strings[pos], &x, &y, 0, 0, &m_useFont);
-        x += 4;
+        // Process partial completion key codes here, but not the arrow keys as
+        // the base class will do that for us
+#if wxUSE_UNICODE
+        const wxChar charcode = event.GetUnicodeKey();
+#else
+        const wxChar charcode = (wxChar)event.GetKeyCode();
+#endif
+        if ( wxIsprint(charcode) )
+        {
+            OnComboCharEvent(event);
+            SetSelection(m_value); // ensure the highlight bar moves
+            return; // don't skip the event
+        }

     }
 
     }
 

-    if ( m_widestWidth < x )
-    {
-        m_widestWidth = x;
-    }
+    event.Skip();

 }
 
 void wxVListBoxComboPopup::Insert( const wxString& item, int pos )
 }
 
 void wxVListBoxComboPopup::Insert( const wxString& item, int pos )


@@ -342,12 +524,14 @@ void wxVListBoxComboPopup::Insert( const wxString& item, int pos )
     }
 
     m_strings.Insert(item,pos);
     }
 
     m_strings.Insert(item,pos);

+    if ( (int)m_clientDatas.size() >= pos )
+        m_clientDatas.Insert(NULL, pos);
+
+    m_widths.Insert(-1,pos);
+    m_widthsDirty = true;

 
     if ( IsCreated() )
         wxVListBox::SetItemCount( wxVListBox::GetItemCount()+1 );
 
     if ( IsCreated() )
         wxVListBox::SetItemCount( wxVListBox::GetItemCount()+1 );

-
-    // Calculate width
-    CheckWidth(pos);

 }
 
 int wxVListBoxComboPopup::Append(const wxString& item)
 }
 
 int wxVListBoxComboPopup::Append(const wxString& item)


@@ -363,7 +547,7 @@ int wxVListBoxComboPopup::Append(const wxString& item)
 
         for ( i=0; i<strings.GetCount(); i++ )
         {
 
         for ( i=0; i<strings.GetCount(); i++ )
         {

-            if ( item.Cmp(strings.Item(i)) < 0 )
+            if ( item.CmpNoCase(strings.Item(i)) <= 0 )

             {
                 pos = (int)i;
                 break;
             {
                 pos = (int)i;
                 break;


@@ -381,6 +565,10 @@ void wxVListBoxComboPopup::Clear()
     wxASSERT(m_combo);
 
     m_strings.Empty();
     wxASSERT(m_combo);
 
     m_strings.Empty();

+    m_widths.Empty();
+
+    m_widestWidth = 0;
+    m_widestItem = -1;

 
     ClearClientDatas();
 
 
     ClearClientDatas();
 


@@ -409,8 +597,9 @@ void wxVListBoxComboPopup::SetItemClientData( unsigned int n,
     // It should be sufficient to update this variable only here
     m_clientDataItemsType = clientDataItemsType;
 
     // It should be sufficient to update this variable only here
     m_clientDataItemsType = clientDataItemsType;
 

-    m_clientDatas.SetCount(n+1,NULL);

     m_clientDatas[n] = clientData;
     m_clientDatas[n] = clientData;

+
+    ItemWidthChanged(n);

 }
 
 void* wxVListBoxComboPopup::GetItemClientData(unsigned int n) const
 }
 
 void* wxVListBoxComboPopup::GetItemClientData(unsigned int n) const


@@ -433,14 +622,36 @@ void wxVListBoxComboPopup::Delete( unsigned int item )
     }
 
     m_strings.RemoveAt(item);
     }
 
     m_strings.RemoveAt(item);

+    m_widths.RemoveAt(item);
+
+    if ( (int)item == m_widestItem )
+        m_findWidest = true;
+
+    int sel = GetSelection();

 
     if ( IsCreated() )
         wxVListBox::SetItemCount( wxVListBox::GetItemCount()-1 );
 
     if ( IsCreated() )
         wxVListBox::SetItemCount( wxVListBox::GetItemCount()-1 );

+
+    // Fix selection
+    if ( (int)item < sel )
+        SetSelection(sel-1);
+    else if ( (int)item == sel )
+        SetSelection(wxNOT_FOUND);

 }
 
 }
 

-int wxVListBoxComboPopup::FindString(const wxString& s) const
+int wxVListBoxComboPopup::FindString(const wxString& s, bool bCase) const

 {
 {

-    return m_strings.Index(s);
+    return m_strings.Index(s, bCase);
+}
+
+bool wxVListBoxComboPopup::FindItem(const wxString& item, wxString* trueItem)
+{
+    int idx = m_strings.Index(item, false);
+    if ( idx == wxNOT_FOUND )
+        return false;
+    if ( trueItem != NULL )
+        *trueItem = m_strings[idx];
+    return true;

 }
 
 unsigned int wxVListBoxComboPopup::GetCount() const
 }
 
 unsigned int wxVListBoxComboPopup::GetCount() const


@@ -456,13 +667,12 @@ wxString wxVListBoxComboPopup::GetString( int item ) const
 void wxVListBoxComboPopup::SetString( int item, const wxString& str )
 {
     m_strings[item] = str;
 void wxVListBoxComboPopup::SetString( int item, const wxString& str )
 {
     m_strings[item] = str;

+    ItemWidthChanged(item);

 }
 
 wxString wxVListBoxComboPopup::GetStringValue() const
 {
 }
 
 wxString wxVListBoxComboPopup::GetStringValue() const
 {

-    if ( m_value >= 0 )
-        return m_strings[m_value];
-    return wxEmptyString;
+    return m_stringValue;

 }
 
 void wxVListBoxComboPopup::SetSelection( int item )
 }
 
 void wxVListBoxComboPopup::SetSelection( int item )


@@ -472,6 +682,11 @@ void wxVListBoxComboPopup::SetSelection( int item )
 
     m_value = item;
 
 
     m_value = item;
 

+    if ( item >= 0 )
+        m_stringValue = m_strings[item];
+    else
+        m_stringValue = wxEmptyString;
+

     if ( IsCreated() )
         wxVListBox::SetSelection(item);
 }
     if ( IsCreated() )
         wxVListBox::SetSelection(item);
 }


@@ -485,16 +700,112 @@ void wxVListBoxComboPopup::SetStringValue( const wxString& value )
 {
     int index = m_strings.Index(value);
 
 {
     int index = m_strings.Index(value);
 

-    m_value = index;
+    m_stringValue = value;

 
 

-    if ( index >= -1 && index < (int)wxVListBox::GetItemCount() )
+    if ( index >= 0 && index < (int)wxVListBox::GetItemCount() )
+    {

         wxVListBox::SetSelection(index);
         wxVListBox::SetSelection(index);

+        m_value = index;
+    }
+}
+
+void wxVListBoxComboPopup::CalcWidths()
+{
+    bool doFindWidest = m_findWidest;
+
+    // Measure items with dirty width.
+    if ( m_widthsDirty )
+    {
+        unsigned int i;
+        unsigned int n = m_widths.GetCount();
+        int dirtyHandled = 0;
+        wxArrayInt& widths = m_widths;
+
+        // I think using wxDC::GetTextExtent is faster than
+        // wxWindow::GetTextExtent (assuming same dc is used
+        // for all calls, as we do here).
+        wxClientDC dc(m_combo);
+        if ( !m_useFont.IsOk() )
+            m_useFont = m_combo->GetFont();
+        dc.SetFont(m_useFont);
+
+        for ( i=0; i<n; i++ )
+        {
+            if ( widths[i] < 0 )
+            {
+                wxCoord x = OnMeasureItemWidth(i);
+
+                if ( x < 0 )
+                {
+                    const wxString& text = m_strings[i];
+
+                    // To make sure performance won't suck in extreme scenarios,
+                    // we'll estimate length after some arbitrary number of items
+                    // have been checked precily.
+                    if ( dirtyHandled < 1024 )
+                    {
+                        wxCoord y;
+                        dc.GetTextExtent(text, &x, &y, 0, 0);
+                        x += 4;
+                    }
+                    else
+                    {
+                        x = text.length() * (dc.GetCharWidth()+1);
+                    }
+                }
+
+                widths[i] = x;
+
+                if ( x >= m_widestWidth )
+                {
+                    m_widestWidth = x;
+                    m_widestItem = (int)i;
+                }
+                else if ( (int)i == m_widestItem )
+                {
+                    // Width of previously widest item has been decreased, so
+                    // we'll have to check all to find current widest item.
+                    doFindWidest = true;
+                }
+
+                dirtyHandled++;
+            }
+        }
+
+        m_widthsDirty = false;
+    }
+
+    if ( doFindWidest )
+    {
+        unsigned int i;
+        unsigned int n = m_widths.GetCount();
+
+        int bestWidth = -1;
+        int bestIndex = -1;
+
+        for ( i=0; i<n; i++ )
+        {
+            int w = m_widths[i];
+            if ( w > bestWidth )
+            {
+                bestIndex = (int)i;
+                bestWidth = w;
+            }
+        }
+
+        m_widestWidth = bestWidth;
+        m_widestItem = bestIndex;
+
+        m_findWidest = false;
+    }

 }
 
 wxSize wxVListBoxComboPopup::GetAdjustedSize( int minWidth, int prefHeight, int maxHeight )
 {
     int height = 250;
 
 }
 
 wxSize wxVListBoxComboPopup::GetAdjustedSize( int minWidth, int prefHeight, int maxHeight )
 {
     int height = 250;
 

+    maxHeight -= 2;  // Must take borders into account
+

     if ( m_strings.GetCount() )
     {
         if ( prefHeight > 0 )
     if ( m_strings.GetCount() )
     {
         if ( prefHeight > 0 )


@@ -504,6 +815,11 @@ wxSize wxVListBoxComboPopup::GetAdjustedSize( int minWidth, int prefHeight, int
             height = maxHeight;
 
         int totalHeight = GetTotalHeight(); // + 3;
             height = maxHeight;
 
         int totalHeight = GetTotalHeight(); // + 3;

+
+        // Take borders into account on Mac or scrollbars always appear
+#if defined(__WXMAC__)
+        totalHeight += 2;
+#endif

         if ( height >= totalHeight )
         {
             height = totalHeight;
         if ( height >= totalHeight )
         {
             height = totalHeight;


@@ -514,13 +830,14 @@ wxSize wxVListBoxComboPopup::GetAdjustedSize( int minWidth, int prefHeight, int
             // NB: Calculations that take variable height into account
             //     are unnecessary.
             int fih = GetLineHeight(0);
             // NB: Calculations that take variable height into account
             //     are unnecessary.
             int fih = GetLineHeight(0);

-            int shown = height/fih;
-            height = shown * fih;
+            height -= height % fih;

         }
     }
     else
         height = 50;
 
         }
     }
     else
         height = 50;
 

+    CalcWidths();
+

     // Take scrollbar into account in width calculations
     int widestWidth = m_widestWidth + wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
     return wxSize(minWidth > widestWidth ? minWidth : widestWidth,
     // Take scrollbar into account in width calculations
     int widestWidth = m_widestWidth + wxSystemSettings::GetMetric(wxSYS_VSCROLL_X);
     return wxSize(minWidth > widestWidth ? minWidth : widestWidth,


@@ -538,9 +855,11 @@ void wxVListBoxComboPopup::Populate( const wxArrayString& choices )
     {
         const wxString& item = choices.Item(i);
         m_strings.Add(item);
     {
         const wxString& item = choices.Item(i);
         m_strings.Add(item);

-        CheckWidth(i);

     }
 
     }
 

+    m_widths.SetCount(n,-1);
+    m_widthsDirty = true;
+

     if ( IsCreated() )
         wxVListBox::SetItemCount(n);
 
     if ( IsCreated() )
         wxVListBox::SetItemCount(n);
 


@@ -550,7 +869,7 @@ void wxVListBoxComboPopup::Populate( const wxArrayString& choices )
 
     // Find initial selection
     wxString strValue = m_combo->GetValue();
 
     // Find initial selection
     wxString strValue = m_combo->GetValue();

-    if ( strValue.Length() )
+    if ( !strValue.empty() )

         m_value = m_strings.Index(strValue);
 }
 
         m_value = m_strings.Index(strValue);
 }
 


@@ -562,12 +881,8 @@ void wxVListBoxComboPopup::Populate( const wxArrayString& choices )
 BEGIN_EVENT_TABLE(wxOwnerDrawnComboBox, wxComboCtrl)
 END_EVENT_TABLE()
 
 BEGIN_EVENT_TABLE(wxOwnerDrawnComboBox, wxComboCtrl)
 END_EVENT_TABLE()
 

-
-IMPLEMENT_DYNAMIC_CLASS2(wxOwnerDrawnComboBox, wxComboCtrl, wxControlWithItems)
-

 void wxOwnerDrawnComboBox::Init()
 {
 void wxOwnerDrawnComboBox::Init()
 {

-    m_popupInterface = NULL;

 }
 
 bool wxOwnerDrawnComboBox::Create(wxWindow *parent,
 }
 
 bool wxOwnerDrawnComboBox::Create(wxWindow *parent,


@@ -591,7 +906,6 @@ wxOwnerDrawnComboBox::wxOwnerDrawnComboBox(wxWindow *parent,
                                            long style,
                                            const wxValidator& validator,
                                            const wxString& name)
                                            long style,
                                            const wxValidator& validator,
                                            const wxString& name)

-    : wxComboCtrl()

 {
     Init();
 
 {
     Init();
 


@@ -645,26 +959,24 @@ bool wxOwnerDrawnComboBox::Create(wxWindow *parent,
 wxOwnerDrawnComboBox::~wxOwnerDrawnComboBox()
 {
     if ( m_popupInterface )
 wxOwnerDrawnComboBox::~wxOwnerDrawnComboBox()
 {
     if ( m_popupInterface )

-        m_popupInterface->ClearClientDatas();
+        GetVListBoxComboPopup()->ClearClientDatas();

 }
 
 }
 

-void wxOwnerDrawnComboBox::SetPopupControl( wxComboPopup* popup )
+void wxOwnerDrawnComboBox::DoSetPopupControl(wxComboPopup* popup)

 {
     if ( !popup )
     {
         popup = new wxVListBoxComboPopup();
     }
 
 {
     if ( !popup )
     {
         popup = new wxVListBoxComboPopup();
     }
 

-    wxComboCtrl::SetPopupControl(popup);
+    wxComboCtrl::DoSetPopupControl(popup);

 
     wxASSERT(popup);
 
     wxASSERT(popup);

-    m_popupInterface = (wxVListBoxComboPopup*) popup;

 
     // Add initial choices to the wxVListBox
 
     // Add initial choices to the wxVListBox

-    if ( !m_popupInterface->GetCount() )
+    if ( !GetVListBoxComboPopup()->GetCount() )

     {
     {

-        //m_popupInterface->Populate(m_initChs.GetCount(),m_initChs.GetStrings());
-        m_popupInterface->Populate(m_initChs);
+        GetVListBoxComboPopup()->Populate(m_initChs);

         m_initChs.Clear();
     }
 }
         m_initChs.Clear();
     }
 }


@@ -673,63 +985,82 @@ void wxOwnerDrawnComboBox::SetPopupControl( wxComboPopup* popup )
 // wxOwnerDrawnComboBox item manipulation methods
 // ----------------------------------------------------------------------------
 
 // wxOwnerDrawnComboBox item manipulation methods
 // ----------------------------------------------------------------------------
 

-void wxOwnerDrawnComboBox::Clear()
+void wxOwnerDrawnComboBox::DoClear()

 {
     EnsurePopupControl();
 
 {
     EnsurePopupControl();
 

-    m_popupInterface->Clear();
+    GetVListBoxComboPopup()->Clear();

 
 

+    // NB: This really needs to be SetValue() instead of ChangeValue(),
+    //     as wxTextEntry API expects an event to be sent.

     SetValue(wxEmptyString);
 }
 
     SetValue(wxEmptyString);
 }
 

-void wxOwnerDrawnComboBox::Delete(unsigned int n)
+void wxOwnerDrawnComboBox::Clear()

 {
 {

-    wxCHECK_RET( IsValid(n), _T("invalid index in wxOwnerDrawnComboBox::Delete") );
+    DoClear();
+}
+
+void wxOwnerDrawnComboBox::DoDeleteOneItem(unsigned int n)
+{
+    wxCHECK_RET( IsValid(n), wxT("invalid index in wxOwnerDrawnComboBox::Delete") );

 
     if ( GetSelection() == (int) n )
 
     if ( GetSelection() == (int) n )

-        SetValue(wxEmptyString);
+        ChangeValue(wxEmptyString);

 
 

-    m_popupInterface->Delete(n);
+    GetVListBoxComboPopup()->Delete(n);

 }
 
 unsigned int wxOwnerDrawnComboBox::GetCount() const
 {
 }
 
 unsigned int wxOwnerDrawnComboBox::GetCount() const
 {

-    wxASSERT_MSG( m_popupInterface, wxT("no popup interface") );
-    return m_popupInterface->GetCount();
+    if ( !m_popupInterface )
+        return m_initChs.GetCount();
+
+    return GetVListBoxComboPopup()->GetCount();

 }
 
 wxString wxOwnerDrawnComboBox::GetString(unsigned int n) const
 {
 }
 
 wxString wxOwnerDrawnComboBox::GetString(unsigned int n) const
 {

-    wxCHECK_MSG( IsValid(n), wxEmptyString, _T("invalid index in wxOwnerDrawnComboBox::GetString") );
-    return m_popupInterface->GetString(n);
+    wxCHECK_MSG( IsValid(n), wxEmptyString, wxT("invalid index in wxOwnerDrawnComboBox::GetString") );
+
+    if ( !m_popupInterface )
+        return m_initChs.Item(n);
+
+    return GetVListBoxComboPopup()->GetString(n);

 }
 
 void wxOwnerDrawnComboBox::SetString(unsigned int n, const wxString& s)
 {
 }
 
 void wxOwnerDrawnComboBox::SetString(unsigned int n, const wxString& s)
 {

-    wxCHECK_RET( IsValid(n), _T("invalid index in wxOwnerDrawnComboBox::SetString") );
-    m_popupInterface->SetString(n,s);
+    EnsurePopupControl();
+
+    wxCHECK_RET( IsValid(n), wxT("invalid index in wxOwnerDrawnComboBox::SetString") );
+
+    GetVListBoxComboPopup()->SetString(n,s);

 }
 
 }
 

-int wxOwnerDrawnComboBox::FindString(const wxString& s) const
+int wxOwnerDrawnComboBox::FindString(const wxString& s, bool bCase) const

 {
 {

-    wxASSERT_MSG( m_popupInterface, wxT("no popup interface") );
-    return m_popupInterface->FindString(s);
+    if ( !m_popupInterface )
+        return m_initChs.Index(s, bCase);
+
+    return GetVListBoxComboPopup()->FindString(s, bCase);

 }
 
 void wxOwnerDrawnComboBox::Select(int n)
 {
 }
 
 void wxOwnerDrawnComboBox::Select(int n)
 {

-    wxCHECK_RET( (n == wxNOT_FOUND) || IsValid(n), _T("invalid index in wxOwnerDrawnComboBox::Select") );

     EnsurePopupControl();
 
     EnsurePopupControl();
 

-    m_popupInterface->SetSelection(n);
+    wxCHECK_RET( (n == wxNOT_FOUND) || IsValid(n), wxT("invalid index in wxOwnerDrawnComboBox::Select") );
+
+    GetVListBoxComboPopup()->SetSelection(n);

 
     wxString str;
     if ( n >= 0 )
 
     wxString str;
     if ( n >= 0 )

-        str = m_popupInterface->GetString(n);
+        str = GetVListBoxComboPopup()->GetString(n);

 
     // Refresh text portion in control
     if ( m_text )
 
     // Refresh text portion in control
     if ( m_text )

-        m_text->SetValue( str );
+        m_text->ChangeValue( str );

     else
         m_valueString = str;
 
     else
         m_valueString = str;
 


@@ -738,48 +1069,145 @@ void wxOwnerDrawnComboBox::Select(int n)
 
 int wxOwnerDrawnComboBox::GetSelection() const
 {
 
 int wxOwnerDrawnComboBox::GetSelection() const
 {

-    wxASSERT_MSG( m_popupInterface, wxT("no popup interface") );
-    return m_popupInterface->GetSelection();
+    if ( !m_popupInterface )
+        return m_initChs.Index(m_valueString);
+
+    return GetVListBoxComboPopup()->GetSelection();

 }
 
 }
 

-int wxOwnerDrawnComboBox::DoAppend(const wxString& item)
+void wxOwnerDrawnComboBox::GetSelection(long *from, long *to) const

 {
 {

-    EnsurePopupControl();
-    wxASSERT(m_popupInterface);
-    return m_popupInterface->Append(item);
+    wxComboCtrl::GetSelection(from, to);

 }
 
 }
 

-int wxOwnerDrawnComboBox::DoInsert(const wxString& item, unsigned int pos)
+int wxOwnerDrawnComboBox::DoInsertItems(const wxArrayStringsAdapter& items,
+                                        unsigned int pos,
+                                        void **clientData,
+                                        wxClientDataType type)

 {
 {

-    wxCHECK_MSG(!(GetWindowStyle() & wxCB_SORT), -1, wxT("can't insert into sorted list"));
-    wxCHECK_MSG(IsValidInsert(pos), -1, wxT("invalid index"));
-

     EnsurePopupControl();
     EnsurePopupControl();

-    m_popupInterface->Insert(item,pos);

 
 

-    return pos;
+    const unsigned int count = items.GetCount();
+
+    if ( HasFlag(wxCB_SORT) )
+    {
+        int n = pos;
+
+        for ( unsigned int i = 0; i < count; ++i )
+        {
+            n = GetVListBoxComboPopup()->Append(items[i]);
+            AssignNewItemClientData(n, clientData, i, type);
+        }
+
+        return n;
+    }
+    else
+    {
+        for ( unsigned int i = 0; i < count; ++i, ++pos )
+        {
+            GetVListBoxComboPopup()->Insert(items[i], pos);
+            AssignNewItemClientData(pos, clientData, i, type);
+        }
+
+        return pos - 1;
+    }

 }
 
 void wxOwnerDrawnComboBox::DoSetItemClientData(unsigned int n, void* clientData)
 {
     EnsurePopupControl();
 }
 
 void wxOwnerDrawnComboBox::DoSetItemClientData(unsigned int n, void* clientData)
 {
     EnsurePopupControl();

-    m_popupInterface->SetItemClientData(n,clientData,m_clientDataItemsType);
+
+    GetVListBoxComboPopup()->SetItemClientData(n, clientData,
+                                               GetClientDataType());

 }
 
 void* wxOwnerDrawnComboBox::DoGetItemClientData(unsigned int n) const
 {
 }
 
 void* wxOwnerDrawnComboBox::DoGetItemClientData(unsigned int n) const
 {

-    wxASSERT_MSG( m_popupInterface, wxT("no popup interface") );
-    return m_popupInterface->GetItemClientData(n);
+    if ( !m_popupInterface )
+        return NULL;
+
+    return GetVListBoxComboPopup()->GetItemClientData(n);

 }
 
 }
 

-void wxOwnerDrawnComboBox::DoSetItemClientObject(unsigned int n, wxClientData* clientData)
+// ----------------------------------------------------------------------------
+// wxOwnerDrawnComboBox item drawing and measuring default implementations
+// ----------------------------------------------------------------------------
+
+void wxOwnerDrawnComboBox::OnDrawItem( wxDC& dc,
+                                       const wxRect& rect,
+                                       int item,
+                                       int flags ) const

 {
 {

-    DoSetItemClientData(n, (void*) clientData);
+    if ( flags & wxODCB_PAINTING_CONTROL )
+    {
+        wxString text;
+
+        if ( !ShouldUseHintText() )
+        {
+            text = GetValue();
+        }
+        else
+        {
+            text = GetHint();
+            wxColour col = wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT);
+            dc.SetTextForeground(col);
+        }
+
+        dc.DrawText( text,
+                     rect.x + GetMargins().x,
+                     (rect.height-dc.GetCharHeight())/2 + rect.y );
+    }
+    else
+    {
+        dc.DrawText( GetVListBoxComboPopup()->GetString(item), rect.x + 2, rect.y );
+    }

 }
 
 }
 

-wxClientData* wxOwnerDrawnComboBox::DoGetItemClientObject(unsigned int n) const
+wxCoord wxOwnerDrawnComboBox::OnMeasureItem( size_t WXUNUSED(item) ) const

 {
 {

-    return (wxClientData*) DoGetItemClientData(n);
+    return -1;
+}
+
+wxCoord wxOwnerDrawnComboBox::OnMeasureItemWidth( size_t WXUNUSED(item) ) const
+{
+    return -1;
+}
+
+wxSize wxOwnerDrawnComboBox::DoGetBestSize() const
+{
+    wxSize best( wxComboCtrlBase::DoGetBestSize() );
+
+    if ( GetCount() > 0 )
+    {
+        wxOwnerDrawnComboBox* odc = const_cast<wxOwnerDrawnComboBox*>(this);
+        best.x = odc->GetWidestItemWidth();
+        // TODO: this class may also have GetHightestItemHeight() and
+        // GetHightestItem() methods, and so set the whole (edit part + arrow)
+        // control's height according with this max height, not only max width.
+    }
+
+    return GetSizeFromTextSize(best.x);
+}
+
+void wxOwnerDrawnComboBox::OnDrawBackground(wxDC& dc,
+                                            const wxRect& rect,
+                                            int WXUNUSED(item),
+                                            int flags) const
+{
+    // We need only to explicitly draw background for items
+    // that should have selected background. Also, call PrepareBackground
+    // always when painting the control so that clipping is done properly.
+
+    if ( (flags & wxODCB_PAINTING_SELECTED) ||
+         ((flags & wxODCB_PAINTING_CONTROL) && HasFlag(wxCB_READONLY)) )
+    {
+        int bgFlags = wxCONTROL_SELECTED;
+
+        if ( !(flags & wxODCB_PAINTING_CONTROL) )
+            bgFlags |= wxCONTROL_ISSUBMENU;
+
+        PrepareBackground(dc, rect, bgFlags);
+    }

 }
 
 #endif // wxUSE_ODCOMBOBOX
 }
 
 #endif // wxUSE_ODCOMBOBOX