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;

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

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

    ChangeBackgroundColour();

    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;
    if ( HasClientObjectData() )
        m_clientDataDict.DestroyData();
}

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;

    // 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;
}

int wxComboBox::DoInsert(const wxString& item, unsigned int pos)
{
    wxCHECK_MSG(!(GetWindowStyle() & wxCB_SORT), -1, wxT("can't insert into sorted list"));
    wxCHECK_MSG(IsValidInsert(pos), -1, wxT("invalid index"));

    if (pos == GetCount())
        return DoAppend(item);

    wxXmString str( item.c_str() );
    XmComboBoxAddItem((Widget) m_mainWidget, str(), pos+1, False);
    m_noStrings ++;
    AdjustDropDownListSize();

    return GetCount() - 1;
}

void wxComboBox::Delete(unsigned 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(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,
                   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.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() )
    {
        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
	84	Widget parentWidget = (Widget) parent->GetClientWidget();
	85
	86	int cb_type = ( style & wxCB_SIMPLE ) ? XmCOMBO_BOX :
	87	( style & wxCB_READONLY ) ? XmDROP_DOWN_LIST :
	88	( style & wxCB_DROPDOWN ) ? XmDROP_DOWN_COMBO_BOX :
	89	// default to wxCB_DROPDOWN
	90	XmDROP_DOWN_COMBO_BOX;
	91	if( cb_type == XmDROP_DOWN_COMBO_BOX )
	92	SetWindowStyle( style \| wxCB_DROPDOWN );
	93
	94	Widget buttonWidget= XtVaCreateManagedWidget(name.c_str(),
	95	xmComboBoxWidgetClass, parentWidget,
	96	XmNcomboBoxType, cb_type,
	97	NULL);
	98
	99	m_mainWidget = (Widget) buttonWidget;
	100
	101	int i;
	102	for ( i = 0; i < n; ++i)
	103	Append( choices[i] );
	104
	105	XtManageChild (buttonWidget);
	106
	107	SetValue(value);
	108
	109	ChangeFont(false);
	110
	111	XtAddCallback (buttonWidget, XmNselectionCallback,
	112	(XtCallbackProc) wxComboBoxCallback,
	113	(XtPointer) this);
	114	XtAddCallback (GetXmText(this), XmNvalueChangedCallback,
	115	(XtCallbackProc) wxComboBoxCallback,
	116	(XtPointer) this);
	117
	118	wxSize best = GetBestSize();
	119	if( size.x != wxDefaultCoord ) best.x = size.x;
	120	if( size.y != wxDefaultCoord ) best.y = size.y;
	121
	122	AttachWidget (parent, m_mainWidget, (WXWidget) NULL,
	123	pos.x, pos.y, best.x, best.y);
	124
	125	ChangeBackgroundColour();
	126
	127	return true;
	128	}
	129
	130	bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
	131	const wxString& value,
	132	const wxPoint& pos,
	133	const wxSize& size,
	134	const wxArrayString& choices,
	135	long style,
	136	const wxValidator& validator,
	137	const wxString& name)
	138	{
	139	wxCArrayString chs(choices);
	140	return Create(parent, id, value, pos, size, chs.GetCount(),
	141	chs.GetStrings(), style, validator, name);
	142	}
	143
	144	void wxComboBox::AdjustDropDownListSize()
	145	{
	146	int newListCount = -1, itemCount = GetCount();
	147	const int MAX = 12;
	148
	149	if( !itemCount )
	150	newListCount = 1;
	151	else if( itemCount < MAX )
	152	newListCount = itemCount;
	153	else
	154	newListCount = MAX;
	155
	156	XtVaSetValues( GetXmList(this),
	157	XmNvisibleItemCount, newListCount,
	158	NULL );
	159	}
	160
	161	wxComboBox::~wxComboBox()
	162	{
	163	DetachWidget((Widget) m_mainWidget); // Removes event handlers
	164	XtDestroyWidget((Widget) m_mainWidget);
	165	m_mainWidget = (WXWidget) 0;
	166	if ( HasClientObjectData() )
	167	m_clientDataDict.DestroyData();
	168	}
	169
	170	void wxComboBox::DoSetSize(int x, int y, int width, int WXUNUSED(height), int sizeFlags)
	171	{
	172	// Necessary so it doesn't call wxChoice::SetSize
	173	wxWindow::DoSetSize(x, y, width, DoGetBestSize().y, sizeFlags);
	174	}
	175
	176	wxString wxComboBox::GetValue() const
	177	{
	178	char* s = XmTextGetString (GetXmText (this));
	179	wxString str(s);
	180	if (s)
	181	XtFree (s);
	182	return str;
	183	}
	184
	185	void wxComboBox::SetString(unsigned int n, const wxString& s)
	186	{
	187	wxXmString text(s);
	188	Widget listBox = GetXmList(this);
	189
	190	// delete the item and add it again.
	191	// FIXME isn't there a way to change it in place?
	192	XmListDeletePos (listBox, n+1);
	193	XmListAddItem (listBox, text(), n+1);
	194	}
	195
	196	void wxComboBox::SetValue(const wxString& value)
	197	{
	198	m_inSetValue = true;
	199
	200	// Fix crash; probably an OpenMotif bug
	201	const char* val = value.c_str() ? value.c_str() : "";
	202	XtVaSetValues( GetXmText(this),
	203	XmNvalue, wxConstCast(val, char),
	204	NULL);
	205
	206	m_inSetValue = false;
	207	}
	208
	209	int wxComboBox::DoAppend(const wxString& item)
	210	{
	211	wxXmString str( item.c_str() );
	212	XmComboBoxAddItem((Widget) m_mainWidget, str(), 0, False);
	213	m_noStrings ++;
	214	AdjustDropDownListSize();
	215
	216	return GetCount() - 1;
	217	}
	218
	219	int wxComboBox::DoInsert(const wxString& item, unsigned int pos)
	220	{
	221	wxCHECK_MSG(!(GetWindowStyle() & wxCB_SORT), -1, wxT("can't insert into sorted list"));
	222	wxCHECK_MSG(IsValidInsert(pos), -1, wxT("invalid index"));
	223
	224	if (pos == GetCount())
	225	return DoAppend(item);
	226
	227	wxXmString str( item.c_str() );
	228	XmComboBoxAddItem((Widget) m_mainWidget, str(), pos+1, False);
	229	m_noStrings ++;
	230	AdjustDropDownListSize();
	231
	232	return GetCount() - 1;
	233	}
	234
	235	void wxComboBox::Delete(unsigned int n)
	236	{
	237	#ifdef LESSTIF_VERSION
	238	XmListDeletePos (GetXmList(this), n + 1);
	239	#else
	240	XmComboBoxDeletePos((Widget) m_mainWidget, n+1);
	241	#endif
	242
	243	m_clientDataDict.Delete(n, HasClientObjectData());
	244	m_noStrings--;
	245
	246	AdjustDropDownListSize();
	247	}
	248
	249	void wxComboBox::Clear()
	250	{
	251	#ifdef LESSTIF_VERSION
	252	XmListDeleteAllItems (GetXmList(this));
	253	#else
	254	while(m_noStrings > 0)
	255	{
	256	XmComboBoxDeletePos((Widget) m_mainWidget, m_noStrings--);
	257	}
	258	#endif
	259
	260	if ( HasClientObjectData() )
	261	m_clientDataDict.DestroyData();
	262	m_noStrings = 0;
	263	AdjustDropDownListSize();
	264	}
	265
	266	void wxComboBox::SetSelection (int n)
	267	{
	268	m_inSetSelection = true;
	269
	270	#if wxCHECK_LESSTIF()
	271	XmListSelectPos (GetXmList(this), n + 1, false);
	272	SetValue(GetString(n));
	273	#else
	274	#if 0
	275	wxXmString str(GetString(n).c_str());
	276	XmComboBoxSelectItem((Widget) m_mainWidget, str());
	277	#endif
	278	XtVaSetValues( (Widget)m_mainWidget,
	279	XmNselectedPosition, n,
	280	NULL );
	281	#endif
	282
	283	m_inSetSelection = false;
	284	}
	285
	286	int wxComboBox::GetSelection (void) const
	287	{
	288	return wxDoGetSelectionInList( GetXmList( this ) );
	289	}
	290
	291	wxString wxComboBox::GetString(unsigned int n) const
	292	{
	293	return wxDoGetStringInList( GetXmList(this), n );
	294	}
	295
	296	int wxComboBox::FindString(const wxString& s, bool WXUNUSED(bCase)) const
	297	{
	298	// FIXME: back to base class for not supported value of bCase
	299
	300	return wxDoFindStringInList( GetXmList( this ), s );
	301	}
	302
	303	// Clipboard operations
	304	void wxComboBox::Copy()
	305	{
	306	XmTextCopy( GetXmText(this), CurrentTime );
	307	}
	308
	309	void wxComboBox::Cut()
	310	{
	311	XmTextCut( GetXmText(this), CurrentTime );
	312	}
	313
	314	void wxComboBox::Paste()
	315	{
	316	XmTextPaste( GetXmText(this) );
	317	}
	318
	319	void wxComboBox::SetEditable(bool WXUNUSED(editable))
	320	{
	321	// TODO
	322	}
	323
	324	void wxComboBox::SetInsertionPoint(long pos)
	325	{
	326	XmTextSetInsertionPosition( GetXmText(this), (XmTextPosition)pos );
	327	}
	328
	329	void wxComboBox::SetInsertionPointEnd()
	330	{
	331	SetInsertionPoint( GetLastPosition() );
	332	}
	333
	334	long wxComboBox::GetInsertionPoint() const
	335	{
	336	return (long)XmTextGetInsertionPosition( GetXmText(this) );
	337	}
	338
	339	wxTextPos wxComboBox::GetLastPosition() const
	340	{
	341	XmTextPosition pos = XmTextGetLastPosition( GetXmText(this) );
	342	return (long)pos;
	343	}
	344
	345	void wxComboBox::Replace(long from, long to, const wxString& value)
	346	{
	347	XmTextReplace( GetXmText(this), (XmTextPosition)from, (XmTextPosition)to,
	348	wxConstCast(value.c_str(), char) );
	349	}
	350
	351	void wxComboBox::Remove(long from, long to)
	352	{
	353	SetSelection( from, to );
	354	XmTextRemove( GetXmText(this) );
	355	}
	356
	357	void wxComboBox::SetSelection(long from, long to)
	358	{
	359	if( to == -1 )
	360	to = GetLastPosition();
	361
	362	XmTextSetSelection( GetXmText(this), (XmTextPosition)from,
	363	(XmTextPosition)to, (Time)0 );
	364	}
	365
	366	void wxComboBoxCallback (Widget WXUNUSED(w), XtPointer clientData,
	367	XmComboBoxCallbackStruct * cbs)
	368	{
	369	wxComboBox item = (wxComboBox ) clientData;
	370
	371	if( item->m_inSetSelection ) return;
	372
	373	switch (cbs->reason)
	374	{
	375	case XmCR_SELECT:
	376	#if 0
	377	case XmCR_SINGLE_SELECT:
	378	case XmCR_BROWSE_SELECT:
	379	#endif
	380	{
	381	wxCommandEvent event (wxEVT_COMMAND_COMBOBOX_SELECTED,
	382	item->GetId());
	383	int idx = cbs->item_position;
	384	event.SetInt(idx);
	385	event.SetString( item->GetString (idx) );
	386	if ( item->HasClientObjectData() )
	387	event.SetClientObject( item->GetClientObject(idx) );
	388	else if ( item->HasClientUntypedData() )
	389	event.SetClientData( item->GetClientData(idx) );
	390	event.SetExtraLong(true);
	391	event.SetEventObject(item);
	392	item->GetEventHandler()->ProcessEvent(event);
	393	break;
	394	}
	395	case XmCR_VALUE_CHANGED:
	396	{
	397	wxCommandEvent event (wxEVT_COMMAND_TEXT_UPDATED, item->GetId());
	398	event.SetInt(-1);
	399	event.SetString( item->GetValue() );
	400	event.SetExtraLong(true);
	401	event.SetEventObject(item);
	402	item->GetEventHandler()->ProcessEvent(event);
	403	break;
	404	}
	405	default:
	406	break;
	407	}
	408	}
	409
	410	void wxComboBox::ChangeFont(bool keepOriginalSize)
	411	{
	412	if( m_font.Ok() )
	413	{
	414	wxDoChangeFont( GetXmText(this), m_font );
	415	wxDoChangeFont( GetXmList(this), m_font );
	416	}
	417
	418	// Don't use the base class wxChoice's ChangeFont
	419	wxWindow::ChangeFont(keepOriginalSize);
	420	}
	421
	422	void wxComboBox::ChangeBackgroundColour()
	423	{
	424	wxWindow::ChangeBackgroundColour();
	425	}
	426
	427	void wxComboBox::ChangeForegroundColour()
	428	{
	429	wxWindow::ChangeForegroundColour();
	430	}
	431
	432	wxSize wxComboBox::DoGetBestSize() const
	433	{
	434	if( (GetWindowStyle() & wxCB_DROPDOWN) == wxCB_DROPDOWN \|\|
	435	(GetWindowStyle() & wxCB_READONLY) == wxCB_READONLY )
	436	{
	437	Dimension arrowW, arrowS, highlight, xmargin, ymargin, shadow;
	438
	439	XtVaGetValues( (Widget)m_mainWidget,
	440	XmNarrowSize, &arrowW,
	441	XmNarrowSpacing, &arrowS,
	442	XmNhighlightThickness, &highlight,
	443	XmNmarginWidth, &xmargin,
	444	XmNmarginHeight, &ymargin,
	445	XmNshadowThickness, &shadow,
	446	NULL );
	447
	448	wxSize listSize = wxDoGetListBoxBestSize( GetXmList(this), this );
	449	wxSize textSize = wxDoGetSingleTextCtrlBestSize( GetXmText(this),
	450	this );
	451
	452	// FIXME arbitrary constants
	453	return wxSize( listSize.x + arrowW + arrowS + 2 * highlight
	454	+ 2 * shadow + 2 * xmargin ,
	455	textSize.y + 2 * highlight + 2 * ymargin + 2 * shadow );
	456	}
	457	else
	458	return wxWindow::DoGetBestSize();
	459	}
	460
	461	#endif // XmVersion >= 2000
	462
	463	#endif // wxUSE_COMBOBOX