src/motif/combobox_native.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        src/motif/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
/////////////////////////////////////////////////////////////////////////////

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#if wxUSE_COMBOBOX

#include "wx/combobox.h"

#ifndef WX_PRECOMP
    #include "wx/arrstr.h"
#endif

#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;
    PreCreation();

    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);

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

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

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

    return true;
}

bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
                        const wxString& value,
                        const wxPoint& pos,
                        const wxSize& size,
                        const wxArrayString& choices,
                        long style,
                        const wxValidator& validator,
                        const wxString& name)
{
    wxCArrayString chs(choices);
    return Create(parent, id, value, pos, size, chs.GetCount(),
                  chs.GetStrings(), style, validator, name);
}

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;
}

void wxComboBox::DoSetSize(int x, int y, int width, int WXUNUSED(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(unsigned 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;

    XtVaSetValues( GetXmText(this),
                   XmNvalue, (const char*)value.mb_str(),
                   NULL);

    m_inSetValue = false;
}

int wxComboBox::DoInsertItems(const wxArrayStringsAdapter & items,
                              unsigned int pos,
                              void **clientData, wxClientDataType type)
{
    const unsigned int numItems = items.GetCount();

    AllocClientData(numItems);
    for ( unsigned int i = 0; i < numItems; ++i, ++pos )
    {
        wxXmString str( items[i].c_str() );
        XmComboBoxAddItem((Widget) m_mainWidget, str(),
                          GetMotifPosition(pos), False);
        m_noStrings ++;
        InsertNewItemClientData(pos, clientData, i, type);
    }

    AdjustDropDownListSize();

    return pos - 1;
}

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

    wxControlWithItems::DoDeleteOneItem(n);
    m_noStrings--;

    AdjustDropDownListSize();
}

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

    wxControlWithItems::DoClear();
    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(unsigned int n) const
{
    return wxDoGetStringInList( GetXmList(this), n );
}

int wxComboBox::FindString(const wxString& s, bool WXUNUSED(bCase)) const
{
    // FIXME: back to base class for not supported value of bCase

    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) );
}

wxTextPos 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,
                   value.char_str() );
}

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.SetInt(idx);
            event.SetString( item->GetString (idx) );
            if ( item->HasClientObjectData() )
                event.SetClientObject( item->GetClientObject(idx) );
            else if ( item->HasClientUntypedData() )
                event.SetClientData( item->GetClientData(idx) );
            event.SetExtraLong(true);
            event.SetEventObject(item);
            item->GetEventHandler()->ProcessEvent(event);
            break;
        }
    case XmCR_VALUE_CHANGED:
        {
            wxCommandEvent event (wxEVT_COMMAND_TEXT_UPDATED, item->GetId());
            event.SetInt(-1);
            event.SetString( item->GetValue() );
            event.SetExtraLong(true);
            event.SetEventObject(item);
            item->GetEventHandler()->ProcessEvent(event);
            break;
        }
    default:
        break;
    }
}

void wxComboBox::ChangeFont(bool keepOriginalSize)
{
    if( m_font.Ok() && m_mainWidget != NULL )
    {
        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: src/motif/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	// For compilers that support precompilation, includes "wx.h".
	13	#include "wx/wxprec.h"
	14
	15	#if wxUSE_COMBOBOX
	16
	17	#include "wx/combobox.h"
	18
	19	#ifndef WX_PRECOMP
	20	#include "wx/arrstr.h"
	21	#endif
	22
	23	#ifdef __VMS__
	24	#pragma message disable nosimpint
	25	#endif
	26	#include <Xm/Xm.h>
	27	#ifdef __VMS__
	28	#pragma message enable nosimpint
	29	#endif
	30
	31	// use the new, shiny combobox for Motif 2.x
	32	#if (XmVersion >= 2000)
	33
	34	#ifdef __VMS__
	35	#pragma message disable nosimpint
	36	#endif
	37	#include <Xm/ComboBox.h>
	38	#include <Xm/Text.h>
	39	#include <Xm/List.h>
	40	#ifdef __VMS__
	41	#pragma message enable nosimpint
	42	#endif
	43
	44	#include "wx/motif/private.h"
	45
	46	// utility
	47	static Widget GetXmList( const wxComboBox* cb )
	48	{
	49	Widget ret;
	50	XtVaGetValues( (Widget)cb->GetMainWidget(),
	51	XmNlist, &ret,
	52	NULL );
	53
	54	return ret;
	55	}
	56
	57	static Widget GetXmText( const wxComboBox* cb )
	58	{
	59	Widget ret;
	60	XtVaGetValues( (Widget)cb->GetMainWidget(),
	61	XmNtextField, &ret,
	62	NULL );
	63
	64	return ret;
	65	}
	66
	67	void wxComboBoxCallback (Widget w, XtPointer clientData,
	68	XmComboBoxCallbackStruct * cbs);
	69
	70	IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl)
	71
	72	bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
	73	const wxString& value,
	74	const wxPoint& pos,
	75	const wxSize& size,
	76	int n, const wxString choices[],
	77	long style,
	78	const wxValidator& validator,
	79	const wxString& name)
	80	{
	81	if( !CreateControl( parent, id, pos, size, style, validator, name ) )
	82	return false;
	83	PreCreation();
	84
	85	Widget parentWidget = (Widget) parent->GetClientWidget();
	86
	87	int cb_type = ( style & wxCB_SIMPLE ) ? XmCOMBO_BOX :
	88	( style & wxCB_READONLY ) ? XmDROP_DOWN_LIST :
	89	( style & wxCB_DROPDOWN ) ? XmDROP_DOWN_COMBO_BOX :
	90	// default to wxCB_DROPDOWN
	91	XmDROP_DOWN_COMBO_BOX;
	92	if( cb_type == XmDROP_DOWN_COMBO_BOX )
	93	SetWindowStyle( style \| wxCB_DROPDOWN );
	94
	95	Widget buttonWidget= XtVaCreateManagedWidget(name.c_str(),
	96	xmComboBoxWidgetClass, parentWidget,
	97	XmNcomboBoxType, cb_type,
	98	NULL);
	99
	100	m_mainWidget = (Widget) buttonWidget;
	101
	102	int i;
	103	for ( i = 0; i < n; ++i)
	104	Append( choices[i] );
	105
	106	XtManageChild (buttonWidget);
	107
	108	SetValue(value);
	109
	110	XtAddCallback (buttonWidget, XmNselectionCallback,
	111	(XtCallbackProc) wxComboBoxCallback,
	112	(XtPointer) this);
	113	XtAddCallback (GetXmText(this), XmNvalueChangedCallback,
	114	(XtCallbackProc) wxComboBoxCallback,
	115	(XtPointer) this);
	116
	117	wxSize best = GetBestSize();
	118	if( size.x != wxDefaultCoord ) best.x = size.x;
	119	if( size.y != wxDefaultCoord ) best.y = size.y;
	120
	121	PostCreation();
	122	AttachWidget (parent, m_mainWidget, (WXWidget) NULL,
	123	pos.x, pos.y, best.x, best.y);
	124
	125	return true;
	126	}
	127
	128	bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
	129	const wxString& value,
	130	const wxPoint& pos,
	131	const wxSize& size,
	132	const wxArrayString& choices,
	133	long style,
	134	const wxValidator& validator,
	135	const wxString& name)
	136	{
	137	wxCArrayString chs(choices);
	138	return Create(parent, id, value, pos, size, chs.GetCount(),
	139	chs.GetStrings(), style, validator, name);
	140	}
	141
	142	void wxComboBox::AdjustDropDownListSize()
	143	{
	144	int newListCount = -1, itemCount = GetCount();
	145	const int MAX = 12;
	146
	147	if( !itemCount )
	148	newListCount = 1;
	149	else if( itemCount < MAX )
	150	newListCount = itemCount;
	151	else
	152	newListCount = MAX;
	153
	154	XtVaSetValues( GetXmList(this),
	155	XmNvisibleItemCount, newListCount,
	156	NULL );
	157	}
	158
	159	wxComboBox::~wxComboBox()
	160	{
	161	DetachWidget((Widget) m_mainWidget); // Removes event handlers
	162	XtDestroyWidget((Widget) m_mainWidget);
	163	m_mainWidget = (WXWidget) 0;
	164	}
	165
	166	void wxComboBox::DoSetSize(int x, int y, int width, int WXUNUSED(height), int sizeFlags)
	167	{
	168	// Necessary so it doesn't call wxChoice::SetSize
	169	wxWindow::DoSetSize(x, y, width, DoGetBestSize().y, sizeFlags);
	170	}
	171
	172	wxString wxComboBox::GetValue() const
	173	{
	174	char* s = XmTextGetString (GetXmText (this));
	175	wxString str(s);
	176	if (s)
	177	XtFree (s);
	178	return str;
	179	}
	180
	181	void wxComboBox::SetString(unsigned int n, const wxString& s)
	182	{
	183	wxXmString text(s);
	184	Widget listBox = GetXmList(this);
	185
	186	// delete the item and add it again.
	187	// FIXME isn't there a way to change it in place?
	188	XmListDeletePos (listBox, n+1);
	189	XmListAddItem (listBox, text(), n+1);
	190	}
	191
	192	void wxComboBox::SetValue(const wxString& value)
	193	{
	194	m_inSetValue = true;
	195
	196	XtVaSetValues( GetXmText(this),
	197	XmNvalue, (const char*)value.mb_str(),
	198	NULL);
	199
	200	m_inSetValue = false;
	201	}
	202
	203	int wxComboBox::DoInsertItems(const wxArrayStringsAdapter & items,
	204	unsigned int pos,
	205	void **clientData, wxClientDataType type)
	206	{
	207	const unsigned int numItems = items.GetCount();
	208
	209	AllocClientData(numItems);
	210	for ( unsigned int i = 0; i < numItems; ++i, ++pos )
	211	{
	212	wxXmString str( items[i].c_str() );
	213	XmComboBoxAddItem((Widget) m_mainWidget, str(),
	214	GetMotifPosition(pos), False);
	215	m_noStrings ++;
	216	InsertNewItemClientData(pos, clientData, i, type);
	217	}
	218
	219	AdjustDropDownListSize();
	220
	221	return pos - 1;
	222	}
	223
	224	void wxComboBox::DoDeleteOneItem(unsigned int n)
	225	{
	226	#ifdef LESSTIF_VERSION
	227	XmListDeletePos (GetXmList(this), n + 1);
	228	#else
	229	XmComboBoxDeletePos((Widget) m_mainWidget, n+1);
	230	#endif
	231
	232	wxControlWithItems::DoDeleteOneItem(n);
	233	m_noStrings--;
	234
	235	AdjustDropDownListSize();
	236	}
	237
	238	void wxComboBox::DoClear()
	239	{
	240	#ifdef LESSTIF_VERSION
	241	XmListDeleteAllItems (GetXmList(this));
	242	#else
	243	while(m_noStrings > 0)
	244	{
	245	XmComboBoxDeletePos((Widget) m_mainWidget, m_noStrings--);
	246	}
	247	#endif
	248
	249	wxControlWithItems::DoClear();
	250	m_noStrings = 0;
	251	AdjustDropDownListSize();
	252	}
	253
	254	void wxComboBox::SetSelection (int n)
	255	{
	256	m_inSetSelection = true;
	257
	258	#if wxCHECK_LESSTIF()
	259	XmListSelectPos (GetXmList(this), n + 1, false);
	260	SetValue(GetString(n));
	261	#else
	262	#if 0
	263	wxXmString str(GetString(n).c_str());
	264	XmComboBoxSelectItem((Widget) m_mainWidget, str());
	265	#endif
	266	XtVaSetValues( (Widget)m_mainWidget,
	267	XmNselectedPosition, n,
	268	NULL );
	269	#endif
	270
	271	m_inSetSelection = false;
	272	}
	273
	274	int wxComboBox::GetSelection (void) const
	275	{
	276	return wxDoGetSelectionInList( GetXmList( this ) );
	277	}
	278
	279	wxString wxComboBox::GetString(unsigned int n) const
	280	{
	281	return wxDoGetStringInList( GetXmList(this), n );
	282	}
	283
	284	int wxComboBox::FindString(const wxString& s, bool WXUNUSED(bCase)) const
	285	{
	286	// FIXME: back to base class for not supported value of bCase
	287
	288	return wxDoFindStringInList( GetXmList( this ), s );
	289	}
	290
	291	// Clipboard operations
	292	void wxComboBox::Copy()
	293	{
	294	XmTextCopy( GetXmText(this), CurrentTime );
	295	}
	296
	297	void wxComboBox::Cut()
	298	{
	299	XmTextCut( GetXmText(this), CurrentTime );
	300	}
	301
	302	void wxComboBox::Paste()
	303	{
	304	XmTextPaste( GetXmText(this) );
	305	}
	306
	307	void wxComboBox::SetEditable(bool WXUNUSED(editable))
	308	{
	309	// TODO
	310	}
	311
	312	void wxComboBox::SetInsertionPoint(long pos)
	313	{
	314	XmTextSetInsertionPosition( GetXmText(this), (XmTextPosition)pos );
	315	}
	316
	317	void wxComboBox::SetInsertionPointEnd()
	318	{
	319	SetInsertionPoint( GetLastPosition() );
	320	}
	321
	322	long wxComboBox::GetInsertionPoint() const
	323	{
	324	return (long)XmTextGetInsertionPosition( GetXmText(this) );
	325	}
	326
	327	wxTextPos wxComboBox::GetLastPosition() const
	328	{
	329	XmTextPosition pos = XmTextGetLastPosition( GetXmText(this) );
	330	return (long)pos;
	331	}
	332
	333	void wxComboBox::Replace(long from, long to, const wxString& value)
	334	{
	335	XmTextReplace( GetXmText(this), (XmTextPosition)from, (XmTextPosition)to,
	336	value.char_str() );
	337	}
	338
	339	void wxComboBox::Remove(long from, long to)
	340	{
	341	SetSelection( from, to );
	342	XmTextRemove( GetXmText(this) );
	343	}
	344
	345	void wxComboBox::SetSelection(long from, long to)
	346	{
	347	if( to == -1 )
	348	to = GetLastPosition();
	349
	350	XmTextSetSelection( GetXmText(this), (XmTextPosition)from,
	351	(XmTextPosition)to, (Time)0 );
	352	}
	353
	354	void wxComboBoxCallback (Widget WXUNUSED(w), XtPointer clientData,
	355	XmComboBoxCallbackStruct * cbs)
	356	{
	357	wxComboBox item = (wxComboBox ) clientData;
	358
	359	if( item->m_inSetSelection ) return;
	360
	361	switch (cbs->reason)
	362	{
	363	case XmCR_SELECT:
	364	#if 0
	365	case XmCR_SINGLE_SELECT:
	366	case XmCR_BROWSE_SELECT:
	367	#endif
	368	{
	369	wxCommandEvent event (wxEVT_COMMAND_COMBOBOX_SELECTED,
	370	item->GetId());
	371	int idx = cbs->item_position;
	372	event.SetInt(idx);
	373	event.SetString( item->GetString (idx) );
	374	if ( item->HasClientObjectData() )
	375	event.SetClientObject( item->GetClientObject(idx) );
	376	else if ( item->HasClientUntypedData() )
	377	event.SetClientData( item->GetClientData(idx) );
	378	event.SetExtraLong(true);
	379	event.SetEventObject(item);
	380	item->GetEventHandler()->ProcessEvent(event);
	381	break;
	382	}
	383	case XmCR_VALUE_CHANGED:
	384	{
	385	wxCommandEvent event (wxEVT_COMMAND_TEXT_UPDATED, item->GetId());
	386	event.SetInt(-1);
	387	event.SetString( item->GetValue() );
	388	event.SetExtraLong(true);
	389	event.SetEventObject(item);
	390	item->GetEventHandler()->ProcessEvent(event);
	391	break;
	392	}
	393	default:
	394	break;
	395	}
	396	}
	397
	398	void wxComboBox::ChangeFont(bool keepOriginalSize)
	399	{
	400	if( m_font.Ok() && m_mainWidget != NULL )
	401	{
	402	wxDoChangeFont( GetXmText(this), m_font );
	403	wxDoChangeFont( GetXmList(this), m_font );
	404	}
	405
	406	// Don't use the base class wxChoice's ChangeFont
	407	wxWindow::ChangeFont(keepOriginalSize);
	408	}
	409
	410	void wxComboBox::ChangeBackgroundColour()
	411	{
	412	wxWindow::ChangeBackgroundColour();
	413	}
	414
	415	void wxComboBox::ChangeForegroundColour()
	416	{
	417	wxWindow::ChangeForegroundColour();
	418	}
	419
	420	wxSize wxComboBox::DoGetBestSize() const
	421	{
	422	if( (GetWindowStyle() & wxCB_DROPDOWN) == wxCB_DROPDOWN \|\|
	423	(GetWindowStyle() & wxCB_READONLY) == wxCB_READONLY )
	424	{
	425	Dimension arrowW, arrowS, highlight, xmargin, ymargin, shadow;
	426
	427	XtVaGetValues( (Widget)m_mainWidget,
	428	XmNarrowSize, &arrowW,
	429	XmNarrowSpacing, &arrowS,
	430	XmNhighlightThickness, &highlight,
	431	XmNmarginWidth, &xmargin,
	432	XmNmarginHeight, &ymargin,
	433	XmNshadowThickness, &shadow,
	434	NULL );
	435
	436	wxSize listSize = wxDoGetListBoxBestSize( GetXmList(this), this );
	437	wxSize textSize = wxDoGetSingleTextCtrlBestSize( GetXmText(this),
	438	this );
	439
	440	// FIXME arbitrary constants
	441	return wxSize( listSize.x + arrowW + arrowS + 2 * highlight
	442	+ 2 * shadow + 2 * xmargin ,
	443	textSize.y + 2 * highlight + 2 * ymargin + 2 * shadow );
	444	}
	445	else
	446	return wxWindow::DoGetBestSize();
	447	}
	448
	449	#endif // XmVersion >= 2000
	450
	451	#endif // wxUSE_COMBOBOX