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"
#include "wx/arrstr.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 != 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(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, int pos)
{
    wxCHECK_MSG(!(GetWindowStyle() & wxCB_SORT), -1, wxT("can't insert into sorted list"));
    wxCHECK_MSG((pos>=0) && (pos<=GetCount()), -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(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, 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	#include "wx/arrstr.h"
	19
	20	#ifdef __VMS__
	21	#pragma message disable nosimpint
	22	#endif
	23	#include <Xm/Xm.h>
	24	#ifdef __VMS__
	25	#pragma message enable nosimpint
	26	#endif
	27
	28	// use the new, shiny combobox for Motif 2.x
	29	#if (XmVersion >= 2000)
	30
	31	#ifdef __VMS__
	32	#pragma message disable nosimpint
	33	#endif
	34	#include <Xm/ComboBox.h>
	35	#include <Xm/Text.h>
	36	#include <Xm/List.h>
	37	#ifdef __VMS__
	38	#pragma message enable nosimpint
	39	#endif
	40
	41	#include "wx/motif/private.h"
	42
	43	// utility
	44	static Widget GetXmList( const wxComboBox* cb )
	45	{
	46	Widget ret;
	47	XtVaGetValues( (Widget)cb->GetMainWidget(),
	48	XmNlist, &ret,
	49	NULL );
	50
	51	return ret;
	52	}
	53
	54	static Widget GetXmText( const wxComboBox* cb )
	55	{
	56	Widget ret;
	57	XtVaGetValues( (Widget)cb->GetMainWidget(),
	58	XmNtextField, &ret,
	59	NULL );
	60
	61	return ret;
	62	}
	63
	64	void wxComboBoxCallback (Widget w, XtPointer clientData,
	65	XmComboBoxCallbackStruct * cbs);
	66
	67	IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl)
	68
	69	bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
	70	const wxString& value,
	71	const wxPoint& pos,
	72	const wxSize& size,
	73	int n, const wxString choices[],
	74	long style,
	75	const wxValidator& validator,
	76	const wxString& name)
	77	{
	78	if( !CreateControl( parent, id, pos, size, style, validator, name ) )
	79	return false;
	80
	81	Widget parentWidget = (Widget) parent->GetClientWidget();
	82
	83	int cb_type = ( style & wxCB_SIMPLE ) ? XmCOMBO_BOX :
	84	( style & wxCB_READONLY ) ? XmDROP_DOWN_LIST :
	85	( style & wxCB_DROPDOWN ) ? XmDROP_DOWN_COMBO_BOX :
	86	// default to wxCB_DROPDOWN
	87	XmDROP_DOWN_COMBO_BOX;
	88	if( cb_type == XmDROP_DOWN_COMBO_BOX )
	89	SetWindowStyle( style \| wxCB_DROPDOWN );
	90
	91	Widget buttonWidget= XtVaCreateManagedWidget(name.c_str(),
	92	xmComboBoxWidgetClass, parentWidget,
	93	XmNcomboBoxType, cb_type,
	94	NULL);
	95
	96	m_mainWidget = (Widget) buttonWidget;
	97
	98	int i;
	99	for ( i = 0; i < n; ++i)
	100	Append( choices[i] );
	101
	102	XtManageChild (buttonWidget);
	103
	104	SetValue(value);
	105
	106	ChangeFont(false);
	107
	108	XtAddCallback (buttonWidget, XmNselectionCallback,
	109	(XtCallbackProc) wxComboBoxCallback,
	110	(XtPointer) this);
	111	XtAddCallback (GetXmText(this), XmNvalueChangedCallback,
	112	(XtCallbackProc) wxComboBoxCallback,
	113	(XtPointer) this);
	114
	115	wxSize best = GetBestSize();
	116	if( size.x != wxDefaultCoord ) best.x = size.x;
	117	if( size.y != wxDefaultCoord ) best.y = size.y;
	118
	119	AttachWidget (parent, m_mainWidget, (WXWidget) NULL,
	120	pos.x, pos.y, best.x, best.y);
	121
	122	ChangeBackgroundColour();
	123
	124	return true;
	125	}
	126
	127	bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
	128	const wxString& value,
	129	const wxPoint& pos,
	130	const wxSize& size,
	131	const wxArrayString& choices,
	132	long style,
	133	const wxValidator& validator,
	134	const wxString& name)
	135	{
	136	wxCArrayString chs(choices);
	137	return Create(parent, id, value, pos, size, chs.GetCount(),
	138	chs.GetStrings(), style, validator, name);
	139	}
	140
	141	void wxComboBox::AdjustDropDownListSize()
	142	{
	143	int newListCount = -1, itemCount = GetCount();
	144	const int MAX = 12;
	145
	146	if( !itemCount )
	147	newListCount = 1;
	148	else if( itemCount < MAX )
	149	newListCount = itemCount;
	150	else
	151	newListCount = MAX;
	152
	153	XtVaSetValues( GetXmList(this),
	154	XmNvisibleItemCount, newListCount,
	155	NULL );
	156	}
	157
	158	wxComboBox::~wxComboBox()
	159	{
	160	DetachWidget((Widget) m_mainWidget); // Removes event handlers
	161	XtDestroyWidget((Widget) m_mainWidget);
	162	m_mainWidget = (WXWidget) 0;
	163	if ( HasClientObjectData() )
	164	m_clientDataDict.DestroyData();
	165	}
	166
	167	void wxComboBox::DoSetSize(int x, int y, int width, int WXUNUSED(height), int sizeFlags)
	168	{
	169	// Necessary so it doesn't call wxChoice::SetSize
	170	wxWindow::DoSetSize(x, y, width, DoGetBestSize().y, sizeFlags);
	171	}
	172
	173	wxString wxComboBox::GetValue() const
	174	{
	175	char* s = XmTextGetString (GetXmText (this));
	176	wxString str(s);
	177	if (s)
	178	XtFree (s);
	179	return str;
	180	}
	181
	182	void wxComboBox::SetString(int n, const wxString& s)
	183	{
	184	wxXmString text(s);
	185	Widget listBox = GetXmList(this);
	186
	187	// delete the item and add it again.
	188	// FIXME isn't there a way to change it in place?
	189	XmListDeletePos (listBox, n+1);
	190	XmListAddItem (listBox, text(), n+1);
	191	}
	192
	193	void wxComboBox::SetValue(const wxString& value)
	194	{
	195	m_inSetValue = true;
	196
	197	// Fix crash; probably an OpenMotif bug
	198	const char* val = value.c_str() ? value.c_str() : "";
	199	XtVaSetValues( GetXmText(this),
	200	XmNvalue, wxConstCast(val, char),
	201	NULL);
	202
	203	m_inSetValue = false;
	204	}
	205
	206	int wxComboBox::DoAppend(const wxString& item)
	207	{
	208	wxXmString str( item.c_str() );
	209	XmComboBoxAddItem((Widget) m_mainWidget, str(), 0, False);
	210	m_noStrings ++;
	211	AdjustDropDownListSize();
	212
	213	return GetCount() - 1;
	214	}
	215
	216	int wxComboBox::DoInsert(const wxString& item, int pos)
	217	{
	218	wxCHECK_MSG(!(GetWindowStyle() & wxCB_SORT), -1, wxT("can't insert into sorted list"));
	219	wxCHECK_MSG((pos>=0) && (pos<=GetCount()), -1, wxT("invalid index"));
	220
	221	if (pos == GetCount())
	222	return DoAppend(item);
	223
	224	wxXmString str( item.c_str() );
	225	XmComboBoxAddItem((Widget) m_mainWidget, str(), pos+1, False);
	226	m_noStrings ++;
	227	AdjustDropDownListSize();
	228
	229	return GetCount() - 1;
	230	}
	231
	232	void wxComboBox::Delete(int n)
	233	{
	234	#ifdef LESSTIF_VERSION
	235	XmListDeletePos (GetXmList(this), n + 1);
	236	#else
	237	XmComboBoxDeletePos((Widget) m_mainWidget, n+1);
	238	#endif
	239
	240	m_clientDataDict.Delete(n, HasClientObjectData());
	241	m_noStrings--;
	242
	243	AdjustDropDownListSize();
	244	}
	245
	246	void wxComboBox::Clear()
	247	{
	248	#ifdef LESSTIF_VERSION
	249	XmListDeleteAllItems (GetXmList(this));
	250	#else
	251	while(m_noStrings > 0)
	252	{
	253	XmComboBoxDeletePos((Widget) m_mainWidget, m_noStrings--);
	254	}
	255	#endif
	256
	257	if ( HasClientObjectData() )
	258	m_clientDataDict.DestroyData();
	259	m_noStrings = 0;
	260	AdjustDropDownListSize();
	261	}
	262
	263	void wxComboBox::SetSelection (int n)
	264	{
	265	m_inSetSelection = true;
	266
	267	#if wxCHECK_LESSTIF()
	268	XmListSelectPos (GetXmList(this), n + 1, false);
	269	SetValue(GetString(n));
	270	#else
	271	#if 0
	272	wxXmString str( GetString(n).c_str() );
	273	XmComboBoxSelectItem((Widget) m_mainWidget, str());
	274	#endif
	275	XtVaSetValues( (Widget)m_mainWidget,
	276	XmNselectedPosition, n,
	277	NULL );
	278	#endif
	279
	280	m_inSetSelection = false;
	281	}
	282
	283	int wxComboBox::GetSelection (void) const
	284	{
	285	return wxDoGetSelectionInList( GetXmList( this ) );
	286	}
	287
	288	wxString wxComboBox::GetString(int n) const
	289	{
	290	return wxDoGetStringInList( GetXmList(this), n );
	291	}
	292
	293	int wxComboBox::FindString(const wxString& s, bool WXUNUSED(bCase)) const
	294	{
	295	// FIXME: back to base class for not supported value of bCase
	296
	297	return wxDoFindStringInList( GetXmList( this ), s );
	298	}
	299
	300	// Clipboard operations
	301	void wxComboBox::Copy()
	302	{
	303	XmTextCopy( GetXmText(this), CurrentTime );
	304	}
	305
	306	void wxComboBox::Cut()
	307	{
	308	XmTextCut( GetXmText(this), CurrentTime );
	309	}
	310
	311	void wxComboBox::Paste()
	312	{
	313	XmTextPaste( GetXmText(this) );
	314	}
	315
	316	void wxComboBox::SetEditable(bool WXUNUSED(editable))
	317	{
	318	// TODO
	319	}
	320
	321	void wxComboBox::SetInsertionPoint(long pos)
	322	{
	323	XmTextSetInsertionPosition( GetXmText(this), (XmTextPosition)pos );
	324	}
	325
	326	void wxComboBox::SetInsertionPointEnd()
	327	{
	328	SetInsertionPoint( GetLastPosition() );
	329	}
	330
	331	long wxComboBox::GetInsertionPoint() const
	332	{
	333	return (long)XmTextGetInsertionPosition( GetXmText(this) );
	334	}
	335
	336	wxTextPos wxComboBox::GetLastPosition() const
	337	{
	338	XmTextPosition pos = XmTextGetLastPosition( GetXmText(this) );
	339	return (long)pos;
	340	}
	341
	342	void wxComboBox::Replace(long from, long to, const wxString& value)
	343	{
	344	XmTextReplace( GetXmText(this), (XmTextPosition)from, (XmTextPosition)to,
	345	wxConstCast(value.c_str(), char) );
	346	}
	347
	348	void wxComboBox::Remove(long from, long to)
	349	{
	350	SetSelection( from, to );
	351	XmTextRemove( GetXmText(this) );
	352	}
	353
	354	void wxComboBox::SetSelection(long from, long to)
	355	{
	356	if( to == -1 )
	357	to = GetLastPosition();
	358
	359	XmTextSetSelection( GetXmText(this), (XmTextPosition)from,
	360	(XmTextPosition)to, (Time)0 );
	361	}
	362
	363	void wxComboBoxCallback (Widget WXUNUSED(w), XtPointer clientData,
	364	XmComboBoxCallbackStruct * cbs)
	365	{
	366	wxComboBox item = (wxComboBox ) clientData;
	367
	368	if( item->m_inSetSelection ) return;
	369
	370	switch (cbs->reason)
	371	{
	372	case XmCR_SELECT:
	373	#if 0
	374	case XmCR_SINGLE_SELECT:
	375	case XmCR_BROWSE_SELECT:
	376	#endif
	377	{
	378	wxCommandEvent event (wxEVT_COMMAND_COMBOBOX_SELECTED,
	379	item->GetId());
	380	int idx = cbs->item_position;
	381	event.SetInt(idx);
	382	event.SetString( item->GetString (idx) );
	383	if ( item->HasClientObjectData() )
	384	event.SetClientObject( item->GetClientObject(idx) );
	385	else if ( item->HasClientUntypedData() )
	386	event.SetClientData( item->GetClientData(idx) );
	387	event.SetExtraLong(true);
	388	event.SetEventObject(item);
	389	item->GetEventHandler()->ProcessEvent(event);
	390	break;
	391	}
	392	case XmCR_VALUE_CHANGED:
	393	{
	394	wxCommandEvent event (wxEVT_COMMAND_TEXT_UPDATED, item->GetId());
	395	event.SetInt(-1);
	396	event.SetString( item->GetValue() );
	397	event.SetExtraLong(true);
	398	event.SetEventObject(item);
	399	item->GetEventHandler()->ProcessEvent(event);
	400	break;
	401	}
	402	default:
	403	break;
	404	}
	405	}
	406
	407	void wxComboBox::ChangeFont(bool keepOriginalSize)
	408	{
	409	if( m_font.Ok() )
	410	{
	411	wxDoChangeFont( GetXmText(this), m_font );
	412	wxDoChangeFont( GetXmList(this), m_font );
	413	}
	414
	415	// Don't use the base class wxChoice's ChangeFont
	416	wxWindow::ChangeFont(keepOriginalSize);
	417	}
	418
	419	void wxComboBox::ChangeBackgroundColour()
	420	{
	421	wxWindow::ChangeBackgroundColour();
	422	}
	423
	424	void wxComboBox::ChangeForegroundColour()
	425	{
	426	wxWindow::ChangeForegroundColour();
	427	}
	428
	429	wxSize wxComboBox::DoGetBestSize() const
	430	{
	431	if( (GetWindowStyle() & wxCB_DROPDOWN) == wxCB_DROPDOWN \|\|
	432	(GetWindowStyle() & wxCB_READONLY) == wxCB_READONLY )
	433	{
	434	Dimension arrowW, arrowS, highlight, xmargin, ymargin, shadow;
	435
	436	XtVaGetValues( (Widget)m_mainWidget,
	437	XmNarrowSize, &arrowW,
	438	XmNarrowSpacing, &arrowS,
	439	XmNhighlightThickness, &highlight,
	440	XmNmarginWidth, &xmargin,
	441	XmNmarginHeight, &ymargin,
	442	XmNshadowThickness, &shadow,
	443	NULL );
	444
	445	wxSize listSize = wxDoGetListBoxBestSize( GetXmList(this), this );
	446	wxSize textSize = wxDoGetSingleTextCtrlBestSize( GetXmText(this),
	447	this );
	448
	449	// FIXME arbitrary constants
	450	return wxSize( listSize.x + arrowW + arrowS + 2 * highlight
	451	+ 2 * shadow + 2 * xmargin ,
	452	textSize.y + 2 * highlight + 2 * ymargin + 2 * shadow );
	453	}
	454	else
	455	return wxWindow::DoGetBestSize();
	456	}
	457
	458	#endif // XmVersion >= 2000
	459
	460	#endif // wxUSE_COMBOBOX