X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4bb6408c2631988fab9925014c6619358bf867de..7948c0c24401c496c04da3c28f1f1f2f282ba327:/src/motif/listbox.cpp

diff --git a/src/motif/listbox.cpp b/src/motif/listbox.cpp
index 9352c32bc2..2107f2e894 100644
--- a/src/motif/listbox.cpp
+++ b/src/motif/listbox.cpp
@@ -10,27 +10,43 @@
 ///////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
-#pragma implementation "listbox.h"
+    #pragma implementation "listbox.h"
 #endif
 
-#include "wx/listbox.h"
+#ifdef __VMS
+#define XtParent XTPARENT
+#define XtDisplay XTDISPLAY
+#endif
+
+# include "wx/listbox.h"
 #include "wx/settings.h"
 #include "wx/dynarray.h"
 #include "wx/log.h"
+#include "wx/utils.h"
 
-#if !USE_SHARED_LIBRARY
-  IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl)
+#ifdef __VMS__
+#pragma message disable nosimpint
+#endif
+#include <Xm/List.h>
+#ifdef __VMS__
+#pragma message enable nosimpint
 #endif
+#include "wx/motif/private.h"
+
+    IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl)
+
+static void wxListBoxCallback(Widget w,
+                              XtPointer clientData,
+                              XmListCallbackStruct * cbs);
 
 // ============================================================================
 // list box control implementation
 // ============================================================================
 
 // Listbox item
-wxListBox::wxListBox()
+wxListBox::wxListBox() : m_clientDataList(wxKEY_INTEGER)
 {
-  m_noItems = 0;
-  m_selected = 0;
+    m_noItems = 0;
 }
 
 bool wxListBox::Create(wxWindow *parent, wxWindowID id,
@@ -41,102 +57,358 @@ bool wxListBox::Create(wxWindow *parent, wxWindowID id,
                        const wxValidator& validator,
                        const wxString& name)
 {
-  m_noItems = n;
-  m_selected = 0;
-
-  SetName(name);
-  SetValidator(validator);
-
-  if (parent) parent->AddChild(this);
-
-  wxSystemSettings settings;
-  SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
-
-  m_windowId = ( id == -1 ) ? (int)NewControlId() : id;
-
-  // TODO create listbox
-
-  return FALSE;
+    m_windowStyle = style;
+    m_noItems = n;
+    //    m_backgroundColour = parent->GetBackgroundColour();
+    m_backgroundColour = * wxWHITE;
+    m_foregroundColour = parent->GetForegroundColour();
+
+    SetName(name);
+    SetValidator(validator);
+
+    if (parent) parent->AddChild(this);
+
+    m_windowId = ( id == -1 ) ? (int)NewControlId() : id;
+
+    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)
+    {
+        XtSetArg (args[2], XmNscrollBarDisplayPolicy, XmSTATIC);
+        count = 3;
+    }
+    else
+        count = 2;
+
+    Widget listWidget = XmCreateScrolledList(parentWidget,
+                                             (char*)name.c_str(), args, count);
+
+    m_mainWidget = (WXWidget) listWidget;
+
+    Set(n, choices);
+
+    XtManageChild (listWidget);
+
+    long width = size.x;
+    long height = size.y;
+    if (width == -1)
+        width = 150;
+    if (height == -1)
+        height = 80;
+
+    XtAddCallback (listWidget,
+                   XmNbrowseSelectionCallback,
+                   (XtCallbackProc) wxListBoxCallback,
+                   (XtPointer) this);
+    XtAddCallback (listWidget,
+                   XmNextendedSelectionCallback,
+                   (XtCallbackProc) wxListBoxCallback,
+                   (XtPointer) this);
+    XtAddCallback (listWidget,
+                   XmNmultipleSelectionCallback,
+                   (XtCallbackProc) wxListBoxCallback,
+                   (XtPointer) this);
+    XtAddCallback (listWidget,
+                   XmNdefaultActionCallback,
+                   (XtCallbackProc) wxListBoxCallback,
+                   (XtPointer) this);
+
+    m_font = parent->GetFont();
+    ChangeFont(FALSE);
+
+    SetCanAddEventHandler(TRUE);
+    AttachWidget (parent, m_mainWidget, (WXWidget) NULL,
+                  pos.x, pos.y, width, height);
+
+    ChangeBackgroundColour();
+
+    return TRUE;
 }
 
 wxListBox::~wxListBox()
 {
 }
 
-void wxListBox::SetFirstItem(int N)
-{
-    // TODO
-}
-
-void wxListBox::SetFirstItem(const wxString& s)
+void wxListBox::DoSetFirstItem( int N )
 {
-    // TODO
+    int count, length;
+
+    if (N < 0)
+        return;
+    XtVaGetValues ((Widget) m_mainWidget,
+                    XmNvisibleItemCount, &count,
+                    XmNitemCount, &length,
+                    NULL);
+    if ((N + count) >= length)
+        N = length - count;
+    XmListSetPos ((Widget) m_mainWidget, N + 1);
 }
 
 void wxListBox::Delete(int N)
 {
-  m_noItems --;
-    // TODO
-}
-
-void wxListBox::Append(const wxString& item)
-{
-  m_noItems ++;
+    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();
+    }
 
-  // TODO
+    m_noItems --;
 }
 
-void wxListBox::Append(const wxString& item, char *Client_data)
+int wxListBox::DoAppend(const wxString& item)
 {
-  m_noItems ++;
-
-  // TODO
+    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::Set(int n, const wxString *choices, char** clientData)
+void wxListBox::DoSetItems(const wxArrayString& items, void** clientData)
 {
-  m_noItems = n;
-
-  // TODO
+    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
 {
-    // TODO
-    return -1;
+    XmString str = XmStringCreateSimple ((char*) (const char*) s);
+    int *positions = NULL;
+    int no_positions = 0;
+    bool success = XmListGetMatchPos ((Widget) m_mainWidget, str,
+                                      &positions, &no_positions);
+    XmStringFree (str);
+    if (success)
+    {
+        int pos = positions[0];
+        if (positions)
+            XtFree ((char *) positions);
+        return pos - 1;
+    }
+    else
+        return -1;
 }
 
 void wxListBox::Clear()
 {
-  m_noItems = 0;
-  // TODO
+    if (m_noItems <= 0)
+        return;
+
+    int width1, height1;
+    int width2, height2;
+
+    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);
+
+    m_noItems = 0;
 }
 
 void wxListBox::SetSelection(int N, bool select)
 {
-    // TODO
+    m_inSetValue = TRUE;
+    if (select)
+    {
+#if 0
+        if (m_windowStyle & wxLB_MULTIPLE)
+        {
+            int *selections = NULL;
+            int n = GetSelections (&selections);
+
+            // This hack is supposed to work, to make it possible
+            // to select more than one item, but it DOESN'T under Motif 1.1.
+
+            XtVaSetValues ((Widget) m_mainWidget,
+                           XmNselectionPolicy, XmMULTIPLE_SELECT,
+                           NULL);
+
+            int i;
+            for (i = 0; i < n; i++)
+                XmListSelectPos ((Widget) m_mainWidget,
+                                 selections[i] + 1, FALSE);
+
+            XmListSelectPos ((Widget) m_mainWidget, N + 1, FALSE);
+
+            XtVaSetValues ((Widget) m_mainWidget,
+                           XmNselectionPolicy, XmEXTENDED_SELECT,
+                           NULL);
+        }
+        else
+#endif // 0
+            XmListSelectPos ((Widget) m_mainWidget, N + 1, FALSE);
+
+    }
+    else
+        XmListDeselectPos ((Widget) m_mainWidget, N + 1);
+
+    m_inSetValue = FALSE;
 }
 
-bool wxListBox::Selected(int N) const
+bool wxListBox::IsSelected(int N) const
 {
-    // TODO
+    // In Motif, no simple way to determine if the item is selected.
+    wxArrayInt theSelections;
+    int count = GetSelections (theSelections);
+    if (count == 0)
+        return FALSE;
+    else
+    {
+        int j;
+        for (j = 0; j < count; j++)
+            if (theSelections[j] == N)
+                return TRUE;
+    }
     return FALSE;
 }
 
-void wxListBox::Deselect(int N)
+void wxListBox::DoSetItemClientObject(int n, wxClientData* clientData)
+{
+    DoSetItemClientData(n, (void*) clientData);
+}
+
+wxClientData* wxListBox::DoGetItemClientObject(int n) const
 {
-    // TODO
+    return (wxClientData*) DoGetItemClientData(n);
 }
 
-char *wxListBox::GetClientData(int N) const
+void *wxListBox::DoGetItemClientData(int N) const
 {
-    // TODO
-    return (char *)NULL;
+    wxNode *node = m_clientDataList.Find ((long) N);
+    if (node)
+        return (void *) node->Data ();
+    else
+        return NULL;
 }
 
-void wxListBox::SetClientData(int N, char *Client_data)
+void wxListBox::DoSetItemClientData(int N, void *Client_data)
 {
-    // TODO
+    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 number of selections and an array of selected integers
@@ -144,92 +416,299 @@ int wxListBox::GetSelections(wxArrayInt& aSelections) const
 {
     aSelections.Empty();
 
-/* TODO
-    if ((m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED))
+    Widget listBox = (Widget) m_mainWidget;
+    int *posList = NULL;
+    int posCnt = 0;
+    bool flag = XmListGetSelectedPos (listBox, &posList, &posCnt);
+    if (flag)
     {
-        int no_sel = ??
-        for ( int n = 0; n < no_sel; n++ )
-            aSelections.Add(??);
-
-        return no_sel;
+        if (posCnt > 0)
+        {
+            aSelections.Alloc(posCnt);
+
+            int i;
+            for (i = 0; i < posCnt; i++)
+                aSelections.Add(posList[i] - 1);
+
+            XtFree ((char *) posList);
+            return posCnt;
+        }
+        else
+            return 0;
     }
-    else  // single-selection listbox
-    {
-        aSelections.Add(??);
-
-        return 1;
-    }
-*/
-    return 0;
+    else
+        return 0;
 }
 
 // Get single selection, for single choice list items
 int wxListBox::GetSelection() const
 {
-    // TODO
-    return -1;
+    Widget listBox = (Widget) m_mainWidget;
+    int *posList = NULL;
+    int posCnt = 0;
+    bool flag = XmListGetSelectedPos (listBox, &posList, &posCnt);
+    if (flag)
+    {
+        int id = -1;
+        if (posCnt > 0)
+            id = posList[0] - 1;
+        XtFree ((char *) posList);
+        return id;
+    }
+    else
+        return -1;
 }
 
 // Find string for position
 wxString wxListBox::GetString(int N) const
 {
-    // TODO
-    return wxString("");
+    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;
+    }
+    else
+        return wxEmptyString;
 }
 
-void wxListBox::SetSize(int x, int y, int width, int height, int sizeFlags)
+void wxListBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 {
-    // TODO
+    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.");
+    }
+    */
 }
 
-void wxListBox::InsertItems(int nItems, const wxString items[], int pos)
+void wxListBox::DoInsertItems(const wxArrayString& items, int pos)
 {
-    m_noItems += nItems;
+    int width1, height1;
+    int width2, height2;
+
+    Widget listBox = (Widget) m_mainWidget;
 
-    // TODO
+    GetSize(&width1, &height1);
+
+    bool managed = XtIsManaged(listBox);
+
+    if (managed)
+        XtUnmanageChild(listBox);
+
+    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
+#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);
+#else
+    for (i = 0; i < items.GetCount(); i++)
+    {
+        text[i] = XmStringCreateSimple((char*)items[i].c_str());
+        // Another Sergey correction
+        XmListAddItemUnselected(listBox, text[i], pos+i+1);
+    }
+#endif
+    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();
 }
 
 void wxListBox::SetString(int N, const wxString& s)
 {
-    // TODO
-}
+    int width1, height1;
+    int width2, height2;
 
-int wxListBox::Number () const
-{
-  return m_noItems;
-}
+    Widget listBox = (Widget) m_mainWidget;
+    GetSize (&width1, &height1);
 
-// For single selection items only
-wxString wxListBox::GetStringSelection () const
-{
-  int sel = GetSelection ();
-  if (sel > -1)
-    return this->GetString (sel);
-  else
-    return wxString("");
+    XmString text = XmStringCreateSimple ((char*) (const char*) 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);
+
+    XmStringFree(text);
+
+    GetSize (&width2, &height2);
+    // Correct for randomly resized listbox - bad boy, Motif!
+    if (width1 != width2 || height1 != height2)
+        SetSize (-1, -1, width1, height1);
 }
 
-bool wxListBox::SetStringSelection (const wxString& s, bool flag)
+void wxListBox::Command (wxCommandEvent & event)
 {
-  int sel = FindString (s);
-  if (sel > -1)
+    if (event.m_extraLong)
+        SetSelection (event.m_commandInt);
+    else
     {
-      SetSelection (sel, flag);
-      return TRUE;
+        Deselect (event.m_commandInt);
+        return;
     }
-  else
-    return FALSE;
+    ProcessCommand (event);
 }
 
-void wxListBox::Command (wxCommandEvent & event)
+void wxListBoxCallback (Widget WXUNUSED(w), XtPointer clientData,
+                        XmListCallbackStruct * cbs)
 {
-  if (event.m_extraLong)
-    SetSelection (event.m_commandInt);
-  else
+    wxListBox *item = (wxListBox *) clientData;
+
+    if (item->InSetValue())
+        return;
+
+    wxEventType evtType;
+
+    if( cbs->reason == XmCR_DEFAULT_ACTION )
+        evtType = wxEVT_COMMAND_LISTBOX_DOUBLECLICKED;
+    else
+        evtType = wxEVT_COMMAND_LISTBOX_SELECTED;
+
+    int n = cbs->item_position - 1;
+    wxCommandEvent event (evtType, item->GetId());
+    if ( item->HasClientObjectData() )
+        event.SetClientObject( item->GetClientObject(n) );
+    else if ( item->HasClientUntypedData() )
+        event.SetClientData( item->GetClientData(n) );
+    event.m_commandInt = n;
+    event.m_extraLong = TRUE;
+    event.SetEventObject(item);
+    event.SetString( item->GetString( n ) );
+
+    int x = -1;
+    if( cbs->event->type == ButtonRelease )
     {
-      Deselect (event.m_commandInt);
-      return;
+        XButtonEvent* evt = (XButtonEvent*)cbs->event;
+
+        x = evt->x;
     }
-  ProcessCommand (event);
+
+    switch (cbs->reason)
+    {
+    case XmCR_MULTIPLE_SELECT:
+    case XmCR_BROWSE_SELECT:
+#if wxUSE_CHECKLISTBOX
+        item->DoToggleItem( n, x );
+#endif
+    case XmCR_DEFAULT_ACTION:
+        item->GetEventHandler()->ProcessEvent(event);
+        break;
+    case XmCR_EXTENDED_SELECT:
+        switch (cbs->selection_type)
+        {
+        case XmINITIAL:
+        case XmADDITION:
+        case XmMODIFICATION:
+            item->DoToggleItem( n, x );
+            item->GetEventHandler()->ProcessEvent(event);
+            break;
+        }
+        break;
+    }
+}
+
+WXWidget wxListBox::GetTopWidget() const
+{
+    return (WXWidget) XtParent( (Widget) m_mainWidget );
+}
+
+void wxListBox::ChangeFont(bool keepOriginalSize)
+{
+    wxWindow::ChangeFont(keepOriginalSize);
+}
+
+void wxListBox::ChangeBackgroundColour()
+{
+    wxWindow::ChangeBackgroundColour();
+
+    Widget parent = XtParent ((Widget) m_mainWidget);
+    Widget hsb, vsb;
+
+    XtVaGetValues (parent,
+        XmNhorizontalScrollBar, &hsb,
+        XmNverticalScrollBar, &vsb,
+        NULL);
+
+   /* TODO: should scrollbars be affected? Should probably have separate
+    * 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);
+
+    XtVaSetValues (hsb,
+        XmNtroughColor, backgroundColour.AllocColour(XtDisplay(hsb)),
+        NULL);
+    XtVaSetValues (vsb,
+        XmNtroughColor, backgroundColour.AllocColour(XtDisplay(vsb)),
+        NULL);
+
+    DoChangeBackgroundColour((WXWidget) parent, m_backgroundColour, TRUE);
 }
 
+void wxListBox::ChangeForegroundColour()
+{
+    wxWindow::ChangeForegroundColour();
+
+    Widget parent = XtParent ((Widget) m_mainWidget);
+    Widget hsb, vsb;
+
+    XtVaGetValues(parent,
+                  XmNhorizontalScrollBar, &hsb,
+                  XmNverticalScrollBar, &vsb,
+                  NULL);
+
+    /* 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);
+    */
+}
+
+int wxListBox::GetCount() const
+{
+    return m_noItems;
+}