src/motif/combobox_native.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        combobox_native.cpp
// Purpose:     wxComboBox class
// Author:      Julian Smart, Ian Brown
// Modified by:
// Created:     01/02/03
// RCS-ID:      $Id$
// Copyright:   (c) Julian Smart
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#include "wx/setup.h"

#if wxUSE_COMBOBOX

#include "wx/combobox.h"

#ifdef __VMS__
#pragma message disable nosimpint
#endif
#include <Xm/Xm.h>
#ifdef __VMS__
#pragma message enable nosimpint
#endif

// use the new, shiny combobox for Motif 2.x
#if (XmVersion >= 2000)

#ifdef __VMS__
#pragma message disable nosimpint
#endif
#include <Xm/ComboBox.h>
#include <Xm/Text.h>
#include <Xm/List.h>
#ifdef __VMS__
#pragma message enable nosimpint
#endif

#include "wx/motif/private.h"

// utility
static Widget GetXmList( const wxComboBox* cb )
{
    Widget ret;
    XtVaGetValues( (Widget)cb->GetMainWidget(),
                   XmNlist, &ret,
                   NULL );

    return ret;
}

static Widget GetXmText( const wxComboBox* cb )
{
    Widget ret;
    XtVaGetValues( (Widget)cb->GetMainWidget(),
                   XmNtextField, &ret,
                   NULL );

    return ret;
}

void  wxComboBoxCallback (Widget w, XtPointer clientData,
                          XmComboBoxCallbackStruct * cbs);

IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl)

bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
                        const wxString& value,
                        const wxPoint& pos,
                        const wxSize& size,
                        int n, const wxString choices[],
                        long style,
                        const wxValidator& validator,
                        const wxString& name)
{
    if( !CreateControl( parent, id, pos, size, style, validator, name ) )
        return false;

    Widget parentWidget = (Widget) parent->GetClientWidget();

    int cb_type = ( style & wxCB_SIMPLE ) ? XmCOMBO_BOX :
                  ( style & wxCB_READONLY ) ? XmDROP_DOWN_LIST :
                  ( style & wxCB_DROPDOWN ) ? XmDROP_DOWN_COMBO_BOX :
    // default to wxCB_DROPDOWN
                                              XmDROP_DOWN_COMBO_BOX;
    if( cb_type == XmDROP_DOWN_COMBO_BOX )
        SetWindowStyle( style | wxCB_DROPDOWN );

    Widget buttonWidget= XtVaCreateManagedWidget(name.c_str(),
        xmComboBoxWidgetClass, parentWidget,
	XmNcomboBoxType, cb_type,
        NULL);

    m_mainWidget = (Widget) buttonWidget;

    int i;
    for ( i = 0; i < n; ++i)
        Append( choices[i] );

    XtManageChild (buttonWidget);

    SetValue(value);

    ChangeFont(false);

    XtAddCallback (buttonWidget, XmNselectionCallback,
                   (XtCallbackProc) wxComboBoxCallback,
                   (XtPointer) this);
    XtAddCallback (GetXmText(this), XmNvalueChangedCallback,
                   (XtCallbackProc) wxComboBoxCallback,
                   (XtPointer) this);

    wxSize best = GetBestSize();
    if( size.x != -1 ) best.x = size.x;
    if( size.y != -1 ) best.y = size.y;

    SetCanAddEventHandler(true);
    AttachWidget (parent, m_mainWidget, (WXWidget) NULL,
                  pos.x, pos.y, best.x, best.y);

    ChangeBackgroundColour();

    return true;
}

void wxComboBox::AdjustDropDownListSize()
{
    int newListCount = -1, itemCount = GetCount();
    const int MAX = 12;

    if( !itemCount )
        newListCount = 1;
    else if( itemCount < MAX )
        newListCount = itemCount;
    else
        newListCount = MAX;

    XtVaSetValues( GetXmList(this),
                   XmNvisibleItemCount, newListCount,
                   NULL );
}

wxComboBox::~wxComboBox()
{
    DetachWidget((Widget) m_mainWidget); // Removes event handlers
    XtDestroyWidget((Widget) m_mainWidget);
    m_mainWidget = (WXWidget) 0;
    if ( HasClientObjectData() )
        m_clientDataDict.DestroyData();
}

void wxComboBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
{
    // Necessary so it doesn't call wxChoice::SetSize
    wxWindow::DoSetSize(x, y, width, DoGetBestSize().y, sizeFlags);
}

wxString wxComboBox::GetValue() const
{
    char* s = XmTextGetString (GetXmText (this));
    wxString str(s);
    if (s)
        XtFree (s);
    return str;
}

void wxComboBox::SetString(int n, const wxString& s)
{
    wxXmString text(s);
    Widget listBox = GetXmList(this);

    // 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);
}

void wxComboBox::SetValue(const wxString& value)
{
    m_inSetValue = true;

    // Fix crash; probably an OpenMotif bug
    const char* val = value.c_str() ? value.c_str() : "";
    XtVaSetValues( GetXmText(this),
                   XmNvalue, wxConstCast(val, char),
                   NULL);

    m_inSetValue = false;
}

int wxComboBox::DoAppend(const wxString& item)
{
    wxXmString str( item.c_str() );
    XmComboBoxAddItem((Widget) m_mainWidget, str(), 0, False);
    m_noStrings ++;
    AdjustDropDownListSize();

    return GetCount() - 1;
}

void wxComboBox::Delete(int n)
{
#ifdef LESSTIF_VERSION
    XmListDeletePos (GetXmList(this), n + 1);
#else
    XmComboBoxDeletePos((Widget) m_mainWidget, n+1);
#endif

    m_clientDataDict.Delete(n, HasClientObjectData());
    m_noStrings--;

    AdjustDropDownListSize();
}

void wxComboBox::Clear()
{
#ifdef LESSTIF_VERSION
    XmListDeleteAllItems (GetXmList(this));
#else
    while(m_noStrings > 0)
    {
    	XmComboBoxDeletePos((Widget) m_mainWidget, m_noStrings--);
    }
#endif

    if ( HasClientObjectData() )
        m_clientDataDict.DestroyData();
    m_noStrings = 0;
    AdjustDropDownListSize();
}

void wxComboBox::SetSelection (int n)
{
    m_inSetSelection = true;

#if wxCHECK_LESSTIF()
    XmListSelectPos (GetXmList(this), n + 1, false);
    SetValue(GetString(n));
#else
#if 0
    wxXmString str( GetString(n).c_str() );
    XmComboBoxSelectItem((Widget) m_mainWidget, str());
#endif
    XtVaSetValues( (Widget)m_mainWidget,
                   XmNselectedPosition, n,
                   NULL );
#endif

    m_inSetSelection = false;
}

int wxComboBox::GetSelection (void) const
{
    return wxDoGetSelectionInList( GetXmList( this ) );
}

wxString wxComboBox::GetString(int n) const
{
    return wxDoGetStringInList( GetXmList(this), n );
}

int wxComboBox::FindString(const wxString& s) const
{
    return wxDoFindStringInList( GetXmList( this ), s );
}

// Clipboard operations
void wxComboBox::Copy()
{
    XmTextCopy( GetXmText(this), CurrentTime );
}

void wxComboBox::Cut()
{
    XmTextCut( GetXmText(this), CurrentTime );
}

void wxComboBox::Paste()
{
    XmTextPaste( GetXmText(this) );
}

void wxComboBox::SetEditable(bool WXUNUSED(editable))
{
    // TODO
}

void wxComboBox::SetInsertionPoint(long pos)
{
    XmTextSetInsertionPosition( GetXmText(this), (XmTextPosition)pos );
}

void wxComboBox::SetInsertionPointEnd()
{
    SetInsertionPoint( GetLastPosition() );
}

long wxComboBox::GetInsertionPoint() const
{
    return (long)XmTextGetInsertionPosition( GetXmText(this) );
}

long wxComboBox::GetLastPosition() const
{
    XmTextPosition pos = XmTextGetLastPosition( GetXmText(this) );
    return (long)pos;
}

void wxComboBox::Replace(long from, long to, const wxString& value)
{
    XmTextReplace( GetXmText(this), (XmTextPosition)from, (XmTextPosition)to,
                   wxConstCast(value.c_str(), char) );
}

void wxComboBox::Remove(long from, long to)
{
    SetSelection( from, to );
    XmTextRemove( GetXmText(this) );
}

void wxComboBox::SetSelection(long from, long to)
{
    if( to == -1 )
        to = GetLastPosition();

    XmTextSetSelection( GetXmText(this), (XmTextPosition)from,
                        (XmTextPosition)to, (Time)0 );
}

void  wxComboBoxCallback (Widget WXUNUSED(w), XtPointer clientData,
                          XmComboBoxCallbackStruct * cbs)
{
    wxComboBox *item = (wxComboBox *) clientData;

    if( item->m_inSetSelection ) return;

    switch (cbs->reason)
    {
    case XmCR_SELECT:
#if 0
    case XmCR_SINGLE_SELECT:
    case XmCR_BROWSE_SELECT:
#endif
        {
            wxCommandEvent event (wxEVT_COMMAND_COMBOBOX_SELECTED,
                                  item->GetId());
            int idx = cbs->item_position;
            event.m_commandInt = idx;
            event.m_commandString = item->GetString (idx);
            if ( item->HasClientObjectData() )
                event.SetClientObject( item->GetClientObject(idx) );
            else if ( item->HasClientUntypedData() )
                event.SetClientData( item->GetClientData(idx) );
            event.m_extraLong = true;
            event.SetEventObject(item);
            item->GetEventHandler()->ProcessEvent(event);
            break;
        }
    case XmCR_VALUE_CHANGED:
        {
            wxCommandEvent event (wxEVT_COMMAND_TEXT_UPDATED, item->GetId());
            event.m_commandInt = -1;
            event.m_commandString = item->GetValue();
            event.m_extraLong = true;
            event.SetEventObject(item);
            item->GetEventHandler()->ProcessEvent(event);
            break;
        }
    default:
        break;
    }
}

void wxComboBox::ChangeFont(bool keepOriginalSize)
{
    if( m_font.Ok() )
    {
        wxDoChangeFont( GetXmText(this), m_font );
        wxDoChangeFont( GetXmList(this), m_font );
    }

    // Don't use the base class wxChoice's ChangeFont
    wxWindow::ChangeFont(keepOriginalSize);
}

void wxComboBox::ChangeBackgroundColour()
{
    wxWindow::ChangeBackgroundColour();
}

void wxComboBox::ChangeForegroundColour()
{
    wxWindow::ChangeForegroundColour();
}

wxSize wxComboBox::DoGetBestSize() const
{
    if( (GetWindowStyle() & wxCB_DROPDOWN) == wxCB_DROPDOWN ||
        (GetWindowStyle() & wxCB_READONLY) == wxCB_READONLY )
    {
        Dimension arrowW, arrowS, highlight, xmargin, ymargin, shadow;

        XtVaGetValues( (Widget)m_mainWidget,
                       XmNarrowSize, &arrowW,
                       XmNarrowSpacing, &arrowS,
                       XmNhighlightThickness, &highlight,
                       XmNmarginWidth, &xmargin,
                       XmNmarginHeight, &ymargin,
                       XmNshadowThickness, &shadow,
                       NULL );

        wxSize listSize = wxDoGetListBoxBestSize( GetXmList(this), this );
        wxSize textSize = wxDoGetSingleTextCtrlBestSize( GetXmText(this),
                                                         this );

        // FIXME arbitrary constants
        return wxSize( listSize.x + arrowW + arrowS + 2 * highlight
                                  + 2 * shadow + 2 * xmargin ,
                       textSize.y + 2 * highlight + 2 * ymargin + 2 * shadow );
    }
    else
        return wxWindow::DoGetBestSize();
}

#endif // XmVersion >= 2000

#endif // wxUSE_COMBOBOX
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: combobox_native.cpp
	3	// Purpose: wxComboBox class
	4	// Author: Julian Smart, Ian Brown
	5	// Modified by:
	6	// Created: 01/02/03
	7	// RCS-ID: $Id$
	8	// Copyright: (c) Julian Smart
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	#include "wx/setup.h"
	13
	14	#if wxUSE_COMBOBOX
	15
	16	#include "wx/combobox.h"
	17
	18	#ifdef __VMS__
	19	#pragma message disable nosimpint
	20	#endif
	21	#include <Xm/Xm.h>
	22	#ifdef __VMS__
	23	#pragma message enable nosimpint
	24	#endif
	25
	26	// use the new, shiny combobox for Motif 2.x
	27	#if (XmVersion >= 2000)
	28
	29	#ifdef __VMS__
	30	#pragma message disable nosimpint
	31	#endif
	32	#include <Xm/ComboBox.h>
	33	#include <Xm/Text.h>
	34	#include <Xm/List.h>
	35	#ifdef __VMS__
	36	#pragma message enable nosimpint
	37	#endif
	38
	39	#include "wx/motif/private.h"
	40
	41	// utility
	42	static Widget GetXmList( const wxComboBox* cb )
	43	{
	44	Widget ret;
	45	XtVaGetValues( (Widget)cb->GetMainWidget(),
	46	XmNlist, &ret,
	47	NULL );
	48
	49	return ret;
	50	}
	51
	52	static Widget GetXmText( const wxComboBox* cb )
	53	{
	54	Widget ret;
	55	XtVaGetValues( (Widget)cb->GetMainWidget(),
	56	XmNtextField, &ret,
	57	NULL );
	58
	59	return ret;
	60	}
	61
	62	void wxComboBoxCallback (Widget w, XtPointer clientData,
	63	XmComboBoxCallbackStruct * cbs);
	64
	65	IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl)
	66
	67	bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
	68	const wxString& value,
	69	const wxPoint& pos,
	70	const wxSize& size,
	71	int n, const wxString choices[],
	72	long style,
	73	const wxValidator& validator,
	74	const wxString& name)
	75	{
	76	if( !CreateControl( parent, id, pos, size, style, validator, name ) )
	77	return false;
	78
	79	Widget parentWidget = (Widget) parent->GetClientWidget();
	80
	81	int cb_type = ( style & wxCB_SIMPLE ) ? XmCOMBO_BOX :
	82	( style & wxCB_READONLY ) ? XmDROP_DOWN_LIST :
	83	( style & wxCB_DROPDOWN ) ? XmDROP_DOWN_COMBO_BOX :
	84	// default to wxCB_DROPDOWN
	85	XmDROP_DOWN_COMBO_BOX;
	86	if( cb_type == XmDROP_DOWN_COMBO_BOX )
	87	SetWindowStyle( style \| wxCB_DROPDOWN );
	88
	89	Widget buttonWidget= XtVaCreateManagedWidget(name.c_str(),
	90	xmComboBoxWidgetClass, parentWidget,
	91	XmNcomboBoxType, cb_type,
	92	NULL);
	93
	94	m_mainWidget = (Widget) buttonWidget;
	95
	96	int i;
	97	for ( i = 0; i < n; ++i)
	98	Append( choices[i] );
	99
	100	XtManageChild (buttonWidget);
	101
	102	SetValue(value);
	103
	104	ChangeFont(false);
	105
	106	XtAddCallback (buttonWidget, XmNselectionCallback,
	107	(XtCallbackProc) wxComboBoxCallback,
	108	(XtPointer) this);
	109	XtAddCallback (GetXmText(this), XmNvalueChangedCallback,
	110	(XtCallbackProc) wxComboBoxCallback,
	111	(XtPointer) this);
	112
	113	wxSize best = GetBestSize();
	114	if( size.x != -1 ) best.x = size.x;
	115	if( size.y != -1 ) best.y = size.y;
	116
	117	SetCanAddEventHandler(true);
	118	AttachWidget (parent, m_mainWidget, (WXWidget) NULL,
	119	pos.x, pos.y, best.x, best.y);
	120
	121	ChangeBackgroundColour();
	122
	123	return true;
	124	}
	125
	126	void wxComboBox::AdjustDropDownListSize()
	127	{
	128	int newListCount = -1, itemCount = GetCount();
	129	const int MAX = 12;
	130
	131	if( !itemCount )
	132	newListCount = 1;
	133	else if( itemCount < MAX )
	134	newListCount = itemCount;
	135	else
	136	newListCount = MAX;
	137
	138	XtVaSetValues( GetXmList(this),
	139	XmNvisibleItemCount, newListCount,
	140	NULL );
	141	}
	142
	143	wxComboBox::~wxComboBox()
	144	{
	145	DetachWidget((Widget) m_mainWidget); // Removes event handlers
	146	XtDestroyWidget((Widget) m_mainWidget);
	147	m_mainWidget = (WXWidget) 0;
	148	if ( HasClientObjectData() )
	149	m_clientDataDict.DestroyData();
	150	}
	151
	152	void wxComboBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
	153	{
	154	// Necessary so it doesn't call wxChoice::SetSize
	155	wxWindow::DoSetSize(x, y, width, DoGetBestSize().y, sizeFlags);
	156	}
	157
	158	wxString wxComboBox::GetValue() const
	159	{
	160	char* s = XmTextGetString (GetXmText (this));
	161	wxString str(s);
	162	if (s)
	163	XtFree (s);
	164	return str;
	165	}
	166
	167	void wxComboBox::SetString(int n, const wxString& s)
	168	{
	169	wxXmString text(s);
	170	Widget listBox = GetXmList(this);
	171
	172	// delete the item and add it again.
	173	// FIXME isn't there a way to change it in place?
	174	XmListDeletePos (listBox, n+1);
	175	XmListAddItem (listBox, text(), n+1);
	176	}
	177
	178	void wxComboBox::SetValue(const wxString& value)
	179	{
	180	m_inSetValue = true;
	181
	182	// Fix crash; probably an OpenMotif bug
	183	const char* val = value.c_str() ? value.c_str() : "";
	184	XtVaSetValues( GetXmText(this),
	185	XmNvalue, wxConstCast(val, char),
	186	NULL);
	187
	188	m_inSetValue = false;
	189	}
	190
	191	int wxComboBox::DoAppend(const wxString& item)
	192	{
	193	wxXmString str( item.c_str() );
	194	XmComboBoxAddItem((Widget) m_mainWidget, str(), 0, False);
	195	m_noStrings ++;
	196	AdjustDropDownListSize();
	197
	198	return GetCount() - 1;
	199	}
	200
	201	void wxComboBox::Delete(int n)
	202	{
	203	#ifdef LESSTIF_VERSION
	204	XmListDeletePos (GetXmList(this), n + 1);
	205	#else
	206	XmComboBoxDeletePos((Widget) m_mainWidget, n+1);
	207	#endif
	208
	209	m_clientDataDict.Delete(n, HasClientObjectData());
	210	m_noStrings--;
	211
	212	AdjustDropDownListSize();
	213	}
	214
	215	void wxComboBox::Clear()
	216	{
	217	#ifdef LESSTIF_VERSION
	218	XmListDeleteAllItems (GetXmList(this));
	219	#else
	220	while(m_noStrings > 0)
	221	{
	222	XmComboBoxDeletePos((Widget) m_mainWidget, m_noStrings--);
	223	}
	224	#endif
	225
	226	if ( HasClientObjectData() )
	227	m_clientDataDict.DestroyData();
	228	m_noStrings = 0;
	229	AdjustDropDownListSize();
	230	}
	231
	232	void wxComboBox::SetSelection (int n)
	233	{
	234	m_inSetSelection = true;
	235
	236	#if wxCHECK_LESSTIF()
	237	XmListSelectPos (GetXmList(this), n + 1, false);
	238	SetValue(GetString(n));
	239	#else
	240	#if 0
	241	wxXmString str( GetString(n).c_str() );
	242	XmComboBoxSelectItem((Widget) m_mainWidget, str());
	243	#endif
	244	XtVaSetValues( (Widget)m_mainWidget,
	245	XmNselectedPosition, n,
	246	NULL );
	247	#endif
	248
	249	m_inSetSelection = false;
	250	}
	251
	252	int wxComboBox::GetSelection (void) const
	253	{
	254	return wxDoGetSelectionInList( GetXmList( this ) );
	255	}
	256
	257	wxString wxComboBox::GetString(int n) const
	258	{
	259	return wxDoGetStringInList( GetXmList(this), n );
	260	}
	261
	262	int wxComboBox::FindString(const wxString& s) const
	263	{
	264	return wxDoFindStringInList( GetXmList( this ), s );
	265	}
	266
	267	// Clipboard operations
	268	void wxComboBox::Copy()
	269	{
	270	XmTextCopy( GetXmText(this), CurrentTime );
	271	}
	272
	273	void wxComboBox::Cut()
	274	{
	275	XmTextCut( GetXmText(this), CurrentTime );
	276	}
	277
	278	void wxComboBox::Paste()
	279	{
	280	XmTextPaste( GetXmText(this) );
	281	}
	282
	283	void wxComboBox::SetEditable(bool WXUNUSED(editable))
	284	{
	285	// TODO
	286	}
	287
	288	void wxComboBox::SetInsertionPoint(long pos)
	289	{
	290	XmTextSetInsertionPosition( GetXmText(this), (XmTextPosition)pos );
	291	}
	292
	293	void wxComboBox::SetInsertionPointEnd()
	294	{
	295	SetInsertionPoint( GetLastPosition() );
	296	}
	297
	298	long wxComboBox::GetInsertionPoint() const
	299	{
	300	return (long)XmTextGetInsertionPosition( GetXmText(this) );
	301	}
	302
	303	long wxComboBox::GetLastPosition() const
	304	{
	305	XmTextPosition pos = XmTextGetLastPosition( GetXmText(this) );
	306	return (long)pos;
	307	}
	308
	309	void wxComboBox::Replace(long from, long to, const wxString& value)
	310	{
	311	XmTextReplace( GetXmText(this), (XmTextPosition)from, (XmTextPosition)to,
	312	wxConstCast(value.c_str(), char) );
	313	}
	314
	315	void wxComboBox::Remove(long from, long to)
	316	{
	317	SetSelection( from, to );
	318	XmTextRemove( GetXmText(this) );
	319	}
	320
	321	void wxComboBox::SetSelection(long from, long to)
	322	{
	323	if( to == -1 )
	324	to = GetLastPosition();
	325
	326	XmTextSetSelection( GetXmText(this), (XmTextPosition)from,
	327	(XmTextPosition)to, (Time)0 );
	328	}
	329
	330	void wxComboBoxCallback (Widget WXUNUSED(w), XtPointer clientData,
	331	XmComboBoxCallbackStruct * cbs)
	332	{
	333	wxComboBox item = (wxComboBox ) clientData;
	334
	335	if( item->m_inSetSelection ) return;
	336
	337	switch (cbs->reason)
	338	{
	339	case XmCR_SELECT:
	340	#if 0
	341	case XmCR_SINGLE_SELECT:
	342	case XmCR_BROWSE_SELECT:
	343	#endif
	344	{
	345	wxCommandEvent event (wxEVT_COMMAND_COMBOBOX_SELECTED,
	346	item->GetId());
	347	int idx = cbs->item_position;
	348	event.m_commandInt = idx;
	349	event.m_commandString = item->GetString (idx);
	350	if ( item->HasClientObjectData() )
	351	event.SetClientObject( item->GetClientObject(idx) );
	352	else if ( item->HasClientUntypedData() )
	353	event.SetClientData( item->GetClientData(idx) );
	354	event.m_extraLong = true;
	355	event.SetEventObject(item);
	356	item->GetEventHandler()->ProcessEvent(event);
	357	break;
	358	}
	359	case XmCR_VALUE_CHANGED:
	360	{
	361	wxCommandEvent event (wxEVT_COMMAND_TEXT_UPDATED, item->GetId());
	362	event.m_commandInt = -1;
	363	event.m_commandString = item->GetValue();
	364	event.m_extraLong = true;
	365	event.SetEventObject(item);
	366	item->GetEventHandler()->ProcessEvent(event);
	367	break;
	368	}
	369	default:
	370	break;
	371	}
	372	}
	373
	374	void wxComboBox::ChangeFont(bool keepOriginalSize)
	375	{
	376	if( m_font.Ok() )
	377	{
	378	wxDoChangeFont( GetXmText(this), m_font );
	379	wxDoChangeFont( GetXmList(this), m_font );
	380	}
	381
	382	// Don't use the base class wxChoice's ChangeFont
	383	wxWindow::ChangeFont(keepOriginalSize);
	384	}
	385
	386	void wxComboBox::ChangeBackgroundColour()
	387	{
	388	wxWindow::ChangeBackgroundColour();
	389	}
	390
	391	void wxComboBox::ChangeForegroundColour()
	392	{
	393	wxWindow::ChangeForegroundColour();
	394	}
	395
	396	wxSize wxComboBox::DoGetBestSize() const
	397	{
	398	if( (GetWindowStyle() & wxCB_DROPDOWN) == wxCB_DROPDOWN \|\|
	399	(GetWindowStyle() & wxCB_READONLY) == wxCB_READONLY )
	400	{
	401	Dimension arrowW, arrowS, highlight, xmargin, ymargin, shadow;
	402
	403	XtVaGetValues( (Widget)m_mainWidget,
	404	XmNarrowSize, &arrowW,
	405	XmNarrowSpacing, &arrowS,
	406	XmNhighlightThickness, &highlight,
	407	XmNmarginWidth, &xmargin,
	408	XmNmarginHeight, &ymargin,
	409	XmNshadowThickness, &shadow,
	410	NULL );
	411
	412	wxSize listSize = wxDoGetListBoxBestSize( GetXmList(this), this );
	413	wxSize textSize = wxDoGetSingleTextCtrlBestSize( GetXmText(this),
	414	this );
	415
	416	// FIXME arbitrary constants
	417	return wxSize( listSize.x + arrowW + arrowS + 2 * highlight
	418	+ 2 * shadow + 2 * xmargin ,
	419	textSize.y + 2 * highlight + 2 * ymargin + 2 * shadow );
	420	}
	421	else
	422	return wxWindow::DoGetBestSize();
	423	}
	424
	425	#endif // XmVersion >= 2000
	426
	427	#endif // wxUSE_COMBOBOX