X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ef41d80cdfa98391d8530c4b142c9816e0519e68..d2e66707deb10dea6f92e3e4092f8a43ef942a5d:/src/motif/listbox.cpp?ds=sidebyside

diff --git a/src/motif/listbox.cpp b/src/motif/listbox.cpp
index 2107f2e894..da952a3627 100644
--- a/src/motif/listbox.cpp
+++ b/src/motif/listbox.cpp
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        listbox.cpp
+// Name:        src/motif/listbox.cpp
 // Purpose:     wxListBox
 // Author:      Julian Smart
 // Modified by:
@@ -9,20 +9,20 @@
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-    #pragma implementation "listbox.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
 
-#ifdef __VMS
-#define XtParent XTPARENT
-#define XtDisplay XTDISPLAY
-#endif
+#if wxUSE_LISTBOX
 
-# include "wx/listbox.h"
-#include "wx/settings.h"
-#include "wx/dynarray.h"
-#include "wx/log.h"
-#include "wx/utils.h"
+#include "wx/listbox.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/dynarray.h"
+    #include "wx/log.h"
+    #include "wx/utils.h"
+    #include "wx/settings.h"
+    #include "wx/arrstr.h"
+#endif
 
 #ifdef __VMS__
 #pragma message disable nosimpint
@@ -33,18 +33,44 @@
 #endif
 #include "wx/motif/private.h"
 
-    IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl)
-
 static void wxListBoxCallback(Widget w,
                               XtPointer clientData,
                               XmListCallbackStruct * cbs);
 
+// ----------------------------------------------------------------------------
+// wxSizeKeeper
+// ----------------------------------------------------------------------------
+
+// helper class to reduce code duplication
+class wxSizeKeeper
+{
+    int m_x, m_y;
+    int m_w, m_h;
+    wxWindow* m_wnd;
+public:
+    wxSizeKeeper( wxWindow* w )
+        : m_wnd( w )
+    {
+        m_wnd->GetSize( &m_w, &m_h );
+        m_wnd->GetPosition( &m_x, &m_y );
+    }
+
+    void Restore()
+    {
+        int x, y;
+
+        m_wnd->GetSize( &x, &y );
+        if( x != m_x || y != m_y )
+            m_wnd->SetSize( m_x, m_y, m_w, m_h );
+    }
+};
+
 // ============================================================================
 // list box control implementation
 // ============================================================================
 
 // Listbox item
-wxListBox::wxListBox() : m_clientDataList(wxKEY_INTEGER)
+wxListBox::wxListBox()
 {
     m_noItems = 0;
 }
@@ -57,40 +83,39 @@ bool wxListBox::Create(wxWindow *parent, wxWindowID id,
                        const wxValidator& validator,
                        const wxString& name)
 {
-    m_windowStyle = style;
-    m_noItems = n;
-    //    m_backgroundColour = parent->GetBackgroundColour();
-    m_backgroundColour = * wxWHITE;
-    m_foregroundColour = parent->GetForegroundColour();
+    if( !wxControl::CreateControl( parent, id, pos, size, style,
+                                   validator, name ) )
+        return false;
+    PreCreation();
 
-    SetName(name);
-    SetValidator(validator);
-
-    if (parent) parent->AddChild(this);
-
-    m_windowId = ( id == -1 ) ? (int)NewControlId() : id;
+    m_noItems = (unsigned int)n;
 
     Widget parentWidget = (Widget) parent->GetClientWidget();
-
-    Arg args[3];
-    int count;
-    XtSetArg (args[0], XmNlistSizePolicy, XmCONSTANT);
-    if (m_windowStyle & wxLB_MULTIPLE)
-        XtSetArg (args[1], XmNselectionPolicy, XmMULTIPLE_SELECT);
-    else if (m_windowStyle & wxLB_EXTENDED)
-        XtSetArg (args[1], XmNselectionPolicy, XmEXTENDED_SELECT);
-    else
-        XtSetArg (args[1], XmNselectionPolicy, XmBROWSE_SELECT);
-    if (m_windowStyle & wxLB_ALWAYS_SB)
+    Display* dpy = XtDisplay(parentWidget);
+
+    Arg args[4];
+    int count = 0;
+    XtSetArg( args[count], XmNlistSizePolicy, XmCONSTANT ); ++count;
+    XtSetArg( args[count], XmNselectionPolicy,
+              ( m_windowStyle & wxLB_MULTIPLE ) ? XmMULTIPLE_SELECT :
+              ( m_windowStyle & wxLB_EXTENDED ) ? XmEXTENDED_SELECT :
+                                                  XmBROWSE_SELECT );
+    ++count;
+    if( m_font.IsOk() )
     {
-        XtSetArg (args[2], XmNscrollBarDisplayPolicy, XmSTATIC);
-        count = 3;
+        XtSetArg( args[count],
+                  (String)wxFont::GetFontTag(), m_font.GetFontTypeC(dpy) );
+        ++count;
+    }
+    if( m_windowStyle & wxLB_ALWAYS_SB )
+    {
+        XtSetArg( args[count], XmNscrollBarDisplayPolicy, XmSTATIC );
+        ++count;
     }
-    else
-        count = 2;
 
-    Widget listWidget = XmCreateScrolledList(parentWidget,
-                                             (char*)name.c_str(), args, count);
+    Widget listWidget =
+        XmCreateScrolledList(parentWidget,
+                             name.char_str(), args, count);
 
     m_mainWidget = (WXWidget) listWidget;
 
@@ -98,12 +123,9 @@ bool wxListBox::Create(wxWindow *parent, wxWindowID id,
 
     XtManageChild (listWidget);
 
-    long width = size.x;
-    long height = size.y;
-    if (width == -1)
-        width = 150;
-    if (height == -1)
-        height = 80;
+    wxSize best = GetBestSize();
+    if( size.x != -1 ) best.x = size.x;
+    if( size.y != -1 ) best.y = size.y;
 
     XtAddCallback (listWidget,
                    XmNbrowseSelectionCallback,
@@ -122,28 +144,48 @@ bool wxListBox::Create(wxWindow *parent, wxWindowID id,
                    (XtCallbackProc) wxListBoxCallback,
                    (XtPointer) this);
 
-    m_font = parent->GetFont();
-    ChangeFont(FALSE);
-
-    SetCanAddEventHandler(TRUE);
+    PostCreation();
     AttachWidget (parent, m_mainWidget, (WXWidget) NULL,
-                  pos.x, pos.y, width, height);
+                  pos.x, pos.y, best.x, best.y);
 
-    ChangeBackgroundColour();
+    return true;
+}
 
-    return TRUE;
+bool wxListBox::Create(wxWindow *parent, wxWindowID id,
+                       const wxPoint& pos,
+                       const wxSize& size,
+                       const wxArrayString& choices,
+                       long style,
+                       const wxValidator& validator,
+                       const wxString& name)
+{
+    wxCArrayString chs(choices);
+    return Create(parent, id, pos, size, chs.GetCount(), chs.GetStrings(),
+                  style, validator, name);
 }
 
-wxListBox::~wxListBox()
+void wxListBox::SetSelectionPolicy()
 {
+    Widget listBox = (Widget)m_mainWidget;
+    Arg args[3];
+
+    XtSetArg( args[0], XmNlistSizePolicy, XmCONSTANT );
+
+    XtSetArg( args[1], XmNselectionPolicy,
+              ( m_windowStyle & wxLB_MULTIPLE ) ? XmMULTIPLE_SELECT :
+              ( m_windowStyle & wxLB_EXTENDED ) ? XmEXTENDED_SELECT :
+                                                  XmBROWSE_SELECT );
+
+    XtSetValues( listBox, args, 2 );
 }
 
 void wxListBox::DoSetFirstItem( int N )
 {
     int count, length;
 
-    if (N < 0)
+    if (!IsValid(N))
         return;
+
     XtVaGetValues ((Widget) m_mainWidget,
                     XmNvisibleItemCount, &count,
                     XmNitemCount, &length,
@@ -153,182 +195,60 @@ void wxListBox::DoSetFirstItem( int N )
     XmListSetPos ((Widget) m_mainWidget, N + 1);
 }
 
-void wxListBox::Delete(int N)
+void wxListBox::DoDeleteOneItem(unsigned int n)
 {
-    int width1, height1;
-    int width2, height2;
     Widget listBox = (Widget) m_mainWidget;
-    GetSize (&width1, &height1);
-
-    bool managed = XtIsManaged(listBox);
-
-    if (managed)
-        XtUnmanageChild (listBox);
-
-    XmListDeletePos (listBox, N + 1);
 
-    if (managed)
-        XtManageChild (listBox);
-
-    GetSize (&width2, &height2);
-    // Correct for randomly resized listbox - bad boy, Motif!
-    if (width1 != width2 || height1 != height2)
-        SetSize (-1, -1, width1, height1);
-
-    // (JDH) need to add code here to take care of clientDataList
-    // get item from list
-    wxNode *node = m_clientDataList.Find((long)N);
-    // if existed then delete from list
-    if (node) m_clientDataList.DeleteNode(node);
-    // we now have to adjust all keys that are >=N+1
-    node = m_clientDataList.First();
-    while (node)
-    {
-        if (node->GetKeyInteger() >= (long)(N+1))
-            node->SetKeyInteger(node->GetKeyInteger() - 1);
-        node = node->Next();
-    }
+    XmListDeletePos (listBox, n + 1);
 
+    wxListBoxBase::DoDeleteOneItem(n);
     m_noItems --;
 }
 
-int wxListBox::DoAppend(const wxString& item)
-{
-    int width1, height1;
-    int width2, height2;
-
-    Widget listBox = (Widget) m_mainWidget;
-    GetSize (&width1, &height1);
-
-    bool managed = XtIsManaged(listBox);
-
-    if (managed)
-        XtUnmanageChild (listBox);
-    int n;
-    XtVaGetValues (listBox, XmNitemCount, &n, NULL);
-    XmString text = XmStringCreateSimple ((char*) (const char*) item);
-    //  XmListAddItem(listBox, text, n + 1);
-    XmListAddItemUnselected (listBox, text, 0);
-    XmStringFree (text);
-
-    // It seems that if the list is cleared, we must re-ask for
-    // selection policy!!
-    Arg args[3];
-    XtSetArg (args[0], XmNlistSizePolicy, XmCONSTANT);
-    if (m_windowStyle & wxLB_MULTIPLE)
-        XtSetArg (args[1], XmNselectionPolicy, XmMULTIPLE_SELECT);
-    else if (m_windowStyle & wxLB_EXTENDED)
-        XtSetArg (args[1], XmNselectionPolicy, XmEXTENDED_SELECT);
-    else
-        XtSetArg (args[1], XmNselectionPolicy, XmBROWSE_SELECT);
-    XtSetValues (listBox, args, 2);
-
-    if (managed)
-        XtManageChild (listBox);
-
-    GetSize (&width2, &height2);
-    // Correct for randomly resized listbox - bad boy, Motif!
-    if (width1 != width2 || height1 != height2)
-        SetSize (-1, -1, width1, height1);
-    m_noItems ++;
-
-    return GetCount() - 1;
-}
-
-void wxListBox::DoSetItems(const wxArrayString& items, void** clientData)
-{
-    m_clientDataList.Clear();
-    int width1, height1;
-    int width2, height2;
-
-    Widget listBox = (Widget) m_mainWidget;
-    GetSize (&width1, &height1);
-
-    bool managed = XtIsManaged(listBox);
-
-    if (managed)
-        XtUnmanageChild (listBox);
-    XmString *text = new XmString[items.GetCount()];
-    size_t i;
-    for (i = 0; i < items.GetCount(); ++i)
-        text[i] = XmStringCreateSimple ((char*)items[i].c_str());
-
-    if ( clientData )
-        for (i = 0; i < items.GetCount(); ++i)
-            m_clientDataList.Append ((long) i, (wxObject *) clientData[i]);
-
-    XmListAddItems (listBox, text, items.GetCount(), 0);
-    for (i = 0; i < items.GetCount(); i++)
-        XmStringFree (text[i]);
-    delete[] text;
-
-    // It seems that if the list is cleared, we must re-ask for
-    // selection policy!!
-    Arg args[3];
-    XtSetArg (args[0], XmNlistSizePolicy, XmCONSTANT);
-    if (m_windowStyle & wxLB_MULTIPLE)
-        XtSetArg (args[1], XmNselectionPolicy, XmMULTIPLE_SELECT);
-    else if (m_windowStyle & wxLB_EXTENDED)
-        XtSetArg (args[1], XmNselectionPolicy, XmEXTENDED_SELECT);
-    else
-        XtSetArg (args[1], XmNselectionPolicy, XmBROWSE_SELECT);
-    XtSetValues (listBox, args, 2);
-
-    if (managed)
-        XtManageChild (listBox);
-
-    GetSize (&width2, &height2);
-    // Correct for randomly resized listbox - bad boy, Motif!
-    if (width1 != width2 || height1 != height2)
-        SetSize (-1, -1, width1, height1);
-
-    m_noItems = items.GetCount();
-}
-
-int wxListBox::FindString(const wxString& s) const
+int wxDoFindStringInList(Widget w, const wxString& s)
 {
-    XmString str = XmStringCreateSimple ((char*) (const char*) s);
+    wxXmString str( s );
     int *positions = NULL;
     int no_positions = 0;
-    bool success = XmListGetMatchPos ((Widget) m_mainWidget, str,
+    bool success = XmListGetMatchPos (w, str(),
                                       &positions, &no_positions);
-    XmStringFree (str);
-    if (success)
+
+    if (success && positions)
     {
         int pos = positions[0];
-        if (positions)
-            XtFree ((char *) positions);
+        XtFree ((char *) positions);
         return pos - 1;
     }
     else
         return -1;
 }
 
-void wxListBox::Clear()
+int wxListBox::FindString(const wxString& s, bool WXUNUSED(bCase)) const
 {
-    if (m_noItems <= 0)
-        return;
+    // FIXME: back to base class for not supported value of bCase
 
-    int width1, height1;
-    int width2, height2;
+    return wxDoFindStringInList( (Widget)m_mainWidget, s );
+}
+
+void wxListBox::DoClear()
+{
+    if (!m_noItems)
+        return;
 
+    wxSizeKeeper sk( this );
     Widget listBox = (Widget) m_mainWidget;
-    GetSize (&width1, &height1);
 
     XmListDeleteAllItems (listBox);
-    m_clientDataList.Clear ();
-    GetSize (&width2, &height2);
 
-    // Correct for randomly resized listbox - bad boy, Motif!
-    if (width1 != width2 || height1 != height2)
-        SetSize (-1, -1, width1, height1);
+    sk.Restore();
 
+    wxListBoxBase::DoClear();
     m_noItems = 0;
 }
 
-void wxListBox::SetSelection(int N, bool select)
+void wxListBox::DoSetSelection(int N, bool select)
 {
-    m_inSetValue = TRUE;
+    m_inSetValue = true;
     if (select)
     {
 #if 0
@@ -347,9 +267,9 @@ void wxListBox::SetSelection(int N, bool select)
             int i;
             for (i = 0; i < n; i++)
                 XmListSelectPos ((Widget) m_mainWidget,
-                                 selections[i] + 1, FALSE);
+                                 selections[i] + 1, False);
 
-            XmListSelectPos ((Widget) m_mainWidget, N + 1, FALSE);
+            XmListSelectPos ((Widget) m_mainWidget, N + 1, False);
 
             XtVaSetValues ((Widget) m_mainWidget,
                            XmNselectionPolicy, XmEXTENDED_SELECT,
@@ -357,13 +277,13 @@ void wxListBox::SetSelection(int N, bool select)
         }
         else
 #endif // 0
-            XmListSelectPos ((Widget) m_mainWidget, N + 1, FALSE);
+            XmListSelectPos ((Widget) m_mainWidget, N + 1, False);
 
     }
     else
         XmListDeselectPos ((Widget) m_mainWidget, N + 1);
 
-    m_inSetValue = FALSE;
+    m_inSetValue = false;
 }
 
 bool wxListBox::IsSelected(int N) const
@@ -372,43 +292,15 @@ bool wxListBox::IsSelected(int N) const
     wxArrayInt theSelections;
     int count = GetSelections (theSelections);
     if (count == 0)
-        return FALSE;
+        return false;
     else
     {
         int j;
         for (j = 0; j < count; j++)
             if (theSelections[j] == N)
-                return TRUE;
+                return true;
     }
-    return FALSE;
-}
-
-void wxListBox::DoSetItemClientObject(int n, wxClientData* clientData)
-{
-    DoSetItemClientData(n, (void*) clientData);
-}
-
-wxClientData* wxListBox::DoGetItemClientObject(int n) const
-{
-    return (wxClientData*) DoGetItemClientData(n);
-}
-
-void *wxListBox::DoGetItemClientData(int N) const
-{
-    wxNode *node = m_clientDataList.Find ((long) N);
-    if (node)
-        return (void *) node->Data ();
-    else
-        return NULL;
-}
-
-void wxListBox::DoSetItemClientData(int N, void *Client_data)
-{
-    wxNode *node = m_clientDataList.Find ((long) N);
-    if (node)
-        node->SetData ((wxObject *)Client_data);
-    else
-        node = m_clientDataList.Append((long) N, (wxObject*) Client_data);
+    return false;
 }
 
 // Return number of selections and an array of selected integers
@@ -441,9 +333,8 @@ int wxListBox::GetSelections(wxArrayInt& aSelections) const
 }
 
 // Get single selection, for single choice list items
-int wxListBox::GetSelection() const
+int wxDoGetSelectionInList(Widget listBox)
 {
-    Widget listBox = (Widget) m_mainWidget;
     int *posList = NULL;
     int posCnt = 0;
     bool flag = XmListGetSelectedPos (listBox, &posList, &posCnt);
@@ -459,132 +350,92 @@ int wxListBox::GetSelection() const
         return -1;
 }
 
+int wxListBox::GetSelection() const
+{
+    return wxDoGetSelectionInList((Widget) m_mainWidget);
+}
+
 // Find string for position
-wxString wxListBox::GetString(int N) const
+wxString wxDoGetStringInList( Widget listBox, int n )
 {
-    Widget listBox = (Widget) m_mainWidget;
     XmString *strlist;
-    int n;
-    XtVaGetValues (listBox, XmNitemCount, &n, XmNitems, &strlist, NULL);
-    if (N <= n && N >= 0)
-    {
-        char *txt;
-        if (XmStringGetLtoR (strlist[N], XmSTRING_DEFAULT_CHARSET, &txt))
-        {
-            wxString str(txt);
-            XtFree (txt);
-            return str;
-        }
-        else
-            return wxEmptyString;
-    }
+    int count;
+    XtVaGetValues( listBox,
+                   XmNitemCount, &count,
+                   XmNitems, &strlist,
+                   NULL );
+    if( n < count && n >= 0 )
+        return wxXmStringToString( strlist[n] );
     else
         return wxEmptyString;
 }
 
-void wxListBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
+wxString wxListBox::GetString(unsigned int n) const
 {
-    wxWindow::DoSetSize(x, y, width, height, sizeFlags);
-
-    // Check resulting size is correct
-    int tempW, tempH;
-    GetSize (&tempW, &tempH);
-
-    /*
-    if (tempW != width || tempH != height)
-    {
-    cout << "wxListBox::SetSize sizes not set correctly.");
-    }
-    */
+    return wxDoGetStringInList( (Widget)m_mainWidget, n );
 }
 
-void wxListBox::DoInsertItems(const wxArrayString& items, int pos)
+int wxListBox::DoInsertItems(const wxArrayStringsAdapter & items,
+                             unsigned int pos,
+                             void **clientData, wxClientDataType type)
 {
-    int width1, height1;
-    int width2, height2;
-
     Widget listBox = (Widget) m_mainWidget;
 
-    GetSize(&width1, &height1);
-
-    bool managed = XtIsManaged(listBox);
-
-    if (managed)
-        XtUnmanageChild(listBox);
+    const unsigned int numItems = items.GetCount();
 
-    XmString *text = new XmString[items.GetCount()];
-    size_t i;
-    // Steve Hammes: Motif 1.1 compatibility
-    // #if XmVersion > 1100
-    // Corrected by Sergey Krasnov from Steve Hammes' code
+    XmString *text = new XmString[numItems];
+    unsigned int i;
 #if XmVersion > 1001
-    for (i = 0; i < items.GetCount(); i++)
-        text[i] = XmStringCreateSimple((char*)items[i].c_str());
-    XmListAddItemsUnselected(listBox, text, items.GetCount(), pos+1);
+    for (i = 0; i < numItems; i++)
+    {
+        text[i] = wxStringToXmString(items[i]);
+    }
+    XmListAddItemsUnselected(listBox, text, numItems, GetMotifPosition(pos));
+    InsertNewItemsClientData(pos, numItems, clientData, type);
 #else
-    for (i = 0; i < items.GetCount(); i++)
+    AllocClientData(numItems);
+
+    unsigned int idx = pos;
+    for ( i = 0; i < numItems; i++, idx++ )
     {
-        text[i] = XmStringCreateSimple((char*)items[i].c_str());
-        // Another Sergey correction
-        XmListAddItemUnselected(listBox, text[i], pos+i+1);
+        text[i] = wxStringToXmString(items[i]);
+        XmListAddItemUnselected(listBox, text[i], GetMotifPosition(idx));
+        InsertNewItemClientData(idx, clientData, i, type);
     }
 #endif
-    for (i = 0; i < items.GetCount(); i++)
+    for (i = 0; i < numItems; i++)
         XmStringFree(text[i]);
     delete[] text;
 
-    // It seems that if the list is cleared, we must re-ask for
-    // selection policy!!
-    Arg args[3];
-    XtSetArg(args[0], XmNlistSizePolicy, XmCONSTANT);
-    if (m_windowStyle & wxLB_MULTIPLE)
-        XtSetArg(args[1], XmNselectionPolicy, XmMULTIPLE_SELECT);
-    else if (m_windowStyle & wxLB_EXTENDED)
-        XtSetArg(args[1], XmNselectionPolicy, XmEXTENDED_SELECT);
-    else XtSetArg(args[1], XmNselectionPolicy, XmBROWSE_SELECT);
-    XtSetValues(listBox,args,2) ;
-
-    if (managed)
-        XtManageChild(listBox);
-
-    GetSize(&width2, &height2);
-    // Correct for randomly resized listbox - bad boy, Motif!
-    if (width1 != width2 /*|| height1 != height2*/)
-        SetSize(-1, -1, width1, height1);
-
-    m_noItems += items.GetCount();
+    m_noItems += numItems;
+
+    SetSelectionPolicy();
+
+    return pos + numItems - 1;
 }
 
-void wxListBox::SetString(int N, const wxString& s)
+void wxListBox::SetString(unsigned int n, const wxString& s)
 {
-    int width1, height1;
-    int width2, height2;
-
+    wxSizeKeeper sk( this );
     Widget listBox = (Widget) m_mainWidget;
-    GetSize (&width1, &height1);
 
-    XmString text = XmStringCreateSimple ((char*) (const char*) s);
+    wxXmString text( s );
 
     // delete the item and add it again.
     // FIXME isn't there a way to change it in place?
-    XmListDeletePos (listBox, N+1);
-    XmListAddItem (listBox, text, N+1);
+    XmListDeletePos (listBox, n+1);
+    XmListAddItem (listBox, text(), n+1);
 
-    XmStringFree(text);
-
-    GetSize (&width2, &height2);
-    // Correct for randomly resized listbox - bad boy, Motif!
-    if (width1 != width2 || height1 != height2)
-        SetSize (-1, -1, width1, height1);
+    sk.Restore();
 }
 
 void wxListBox::Command (wxCommandEvent & event)
 {
-    if (event.m_extraLong)
-        SetSelection (event.m_commandInt);
+    if (event.GetExtraLong())
+        SetSelection (event.GetInt());
     else
     {
-        Deselect (event.m_commandInt);
+        Deselect (event.GetInt());
         return;
     }
     ProcessCommand (event);
@@ -611,13 +462,13 @@ void wxListBoxCallback (Widget WXUNUSED(w), XtPointer clientData,
         event.SetClientObject( item->GetClientObject(n) );
     else if ( item->HasClientUntypedData() )
         event.SetClientData( item->GetClientData(n) );
-    event.m_commandInt = n;
-    event.m_extraLong = TRUE;
+    event.SetInt(n);
+    event.SetExtraLong(true);
     event.SetEventObject(item);
     event.SetString( item->GetString( n ) );
 
     int x = -1;
-    if( cbs->event->type == ButtonRelease )
+    if( NULL != cbs->event && cbs->event->type == ButtonRelease )
     {
         XButtonEvent* evt = (XButtonEvent*)cbs->event;
 
@@ -632,7 +483,7 @@ void wxListBoxCallback (Widget WXUNUSED(w), XtPointer clientData,
         item->DoToggleItem( n, x );
 #endif
     case XmCR_DEFAULT_ACTION:
-        item->GetEventHandler()->ProcessEvent(event);
+        item->HandleWindowEvent(event);
         break;
     case XmCR_EXTENDED_SELECT:
         switch (cbs->selection_type)
@@ -641,7 +492,7 @@ void wxListBoxCallback (Widget WXUNUSED(w), XtPointer clientData,
         case XmADDITION:
         case XmMODIFICATION:
             item->DoToggleItem( n, x );
-            item->GetEventHandler()->ProcessEvent(event);
+            item->HandleWindowEvent(event);
             break;
         }
         break;
@@ -653,11 +504,6 @@ WXWidget wxListBox::GetTopWidget() const
     return (WXWidget) XtParent( (Widget) m_mainWidget );
 }
 
-void wxListBox::ChangeFont(bool keepOriginalSize)
-{
-    wxWindow::ChangeFont(keepOriginalSize);
-}
-
 void wxListBox::ChangeBackgroundColour()
 {
     wxWindow::ChangeBackgroundColour();
@@ -674,8 +520,8 @@ void wxListBox::ChangeBackgroundColour()
     * function to change them (by default, taken from wxSystemSettings)
     */
     wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
-    DoChangeBackgroundColour((WXWidget) hsb, backgroundColour, TRUE);
-    DoChangeBackgroundColour((WXWidget) vsb, backgroundColour, TRUE);
+    wxDoChangeBackgroundColour((WXWidget) hsb, backgroundColour, true);
+    wxDoChangeBackgroundColour((WXWidget) vsb, backgroundColour, true);
 
     XtVaSetValues (hsb,
         XmNtroughColor, backgroundColour.AllocColour(XtDisplay(hsb)),
@@ -684,7 +530,8 @@ void wxListBox::ChangeBackgroundColour()
         XmNtroughColor, backgroundColour.AllocColour(XtDisplay(vsb)),
         NULL);
 
-    DoChangeBackgroundColour((WXWidget) parent, m_backgroundColour, TRUE);
+    // MBN: why change parent's background? It looks really ugly.
+    // wxDoChangeBackgroundColour((WXWidget) parent, m_backgroundColour, true);
 }
 
 void wxListBox::ChangeForegroundColour()
@@ -702,13 +549,62 @@ void wxListBox::ChangeForegroundColour()
     /* TODO: should scrollbars be affected? Should probably have separate
              function to change them (by default, taken from wxSystemSettings)
 
-        DoChangeForegroundColour((WXWidget) hsb, m_foregroundColour);
-        DoChangeForegroundColour((WXWidget) vsb, m_foregroundColour);
-        DoChangeForegroundColour((WXWidget) parent, m_foregroundColour);
+        wxDoChangeForegroundColour((WXWidget) hsb, m_foregroundColour);
+        wxDoChangeForegroundColour((WXWidget) vsb, m_foregroundColour);
+        wxDoChangeForegroundColour((WXWidget) parent, m_foregroundColour);
     */
 }
 
-int wxListBox::GetCount() const
+unsigned int wxListBox::GetCount() const
 {
     return m_noItems;
 }
+
+#define LIST_SCROLL_SPACING 6
+
+wxSize wxDoGetListBoxBestSize( Widget listWidget, const wxWindow* window )
+{
+    int max;
+    Dimension spacing, highlight, xmargin, ymargin, shadow;
+    int width = 0;
+    int x, y;
+
+    XtVaGetValues( listWidget,
+                   XmNitemCount, &max,
+                   XmNlistSpacing, &spacing,
+                   XmNhighlightThickness, &highlight,
+                   XmNlistMarginWidth, &xmargin,
+                   XmNlistMarginHeight, &ymargin,
+                   XmNshadowThickness, &shadow,
+                   NULL );
+
+    for( size_t i = 0; i < (size_t)max; ++i )
+    {
+        window->GetTextExtent( wxDoGetStringInList( listWidget, i ), &x, &y );
+        width = wxMax( width, x );
+    }
+
+    // use some arbitrary value if there are no strings
+    if( width == 0 )
+        width = 100;
+
+    // get my
+    window->GetTextExtent( "v", &x, &y );
+
+    // make it a little larger than widest string, plus the scrollbar
+    width += wxSystemSettings::GetMetric( wxSYS_VSCROLL_X )
+        + 2 * highlight + LIST_SCROLL_SPACING + 2 * xmargin + 2 * shadow;
+
+    // at least 3 items, at most 10
+    int height = wxMax( 3, wxMin( 10, max ) ) *
+        ( y + spacing + 2 * highlight ) + 2 * ymargin + 2 * shadow;
+
+    return wxSize( width, height );
+}
+
+wxSize wxListBox::DoGetBestSize() const
+{
+    return wxDoGetListBoxBestSize( (Widget)m_mainWidget, this );
+}
+
+#endif // wxUSE_LISTBOX