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;
    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;

    XtVaSetValues( GetXmText(this),
                   XmNvalue, (const char*)value.mb_str(),
                   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,
                   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	if ( HasClientObjectData() )
	165	m_clientDataDict.DestroyData();
	166	}
	167
	168	void wxComboBox::DoSetSize(int x, int y, int width, int WXUNUSED(height), int sizeFlags)
	169	{
	170	// Necessary so it doesn't call wxChoice::SetSize
	171	wxWindow::DoSetSize(x, y, width, DoGetBestSize().y, sizeFlags);
	172	}
	173
	174	wxString wxComboBox::GetValue() const
	175	{
	176	char* s = XmTextGetString (GetXmText (this));
	177	wxString str(s);
	178	if (s)
	179	XtFree (s);
	180	return str;
	181	}
	182
	183	void wxComboBox::SetString(unsigned int n, const wxString& s)
	184	{
	185	wxXmString text(s);
	186	Widget listBox = GetXmList(this);
	187
	188	// delete the item and add it again.
	189	// FIXME isn't there a way to change it in place?
	190	XmListDeletePos (listBox, n+1);
	191	XmListAddItem (listBox, text(), n+1);
	192	}
	193
	194	void wxComboBox::SetValue(const wxString& value)
	195	{
	196	m_inSetValue = true;
	197
	198	XtVaSetValues( GetXmText(this),
	199	XmNvalue, (const char*)value.mb_str(),
	200	NULL);
	201
	202	m_inSetValue = false;
	203	}
	204
	205	int wxComboBox::DoAppend(const wxString& item)
	206	{
	207	wxXmString str( item.c_str() );
	208	XmComboBoxAddItem((Widget) m_mainWidget, str(), 0, False);
	209	m_noStrings ++;
	210	AdjustDropDownListSize();
	211
	212	return GetCount() - 1;
	213	}
	214
	215	int wxComboBox::DoInsert(const wxString& item, unsigned int pos)
	216	{
	217	wxCHECK_MSG(!(GetWindowStyle() & wxCB_SORT), -1, wxT("can't insert into sorted list"));
	218	wxCHECK_MSG(IsValidInsert(pos), -1, wxT("invalid index"));
	219
	220	if (pos == GetCount())
	221	return DoAppend(item);
	222
	223	wxXmString str( item.c_str() );
	224	XmComboBoxAddItem((Widget) m_mainWidget, str(), pos+1, False);
	225	m_noStrings ++;
	226	AdjustDropDownListSize();
	227
	228	return GetCount() - 1;
	229	}
	230
	231	void wxComboBox::Delete(unsigned int n)
	232	{
	233	#ifdef LESSTIF_VERSION
	234	XmListDeletePos (GetXmList(this), n + 1);
	235	#else
	236	XmComboBoxDeletePos((Widget) m_mainWidget, n+1);
	237	#endif
	238
	239	m_clientDataDict.Delete(n, HasClientObjectData());
	240	m_noStrings--;
	241
	242	AdjustDropDownListSize();
	243	}
	244
	245	void wxComboBox::Clear()
	246	{
	247	#ifdef LESSTIF_VERSION
	248	XmListDeleteAllItems (GetXmList(this));
	249	#else
	250	while(m_noStrings > 0)
	251	{
	252	XmComboBoxDeletePos((Widget) m_mainWidget, m_noStrings--);
	253	}
	254	#endif
	255
	256	if ( HasClientObjectData() )
	257	m_clientDataDict.DestroyData();
	258	m_noStrings = 0;
	259	AdjustDropDownListSize();
	260	}
	261
	262	void wxComboBox::SetSelection (int n)
	263	{
	264	m_inSetSelection = true;
	265
	266	#if wxCHECK_LESSTIF()
	267	XmListSelectPos (GetXmList(this), n + 1, false);
	268	SetValue(GetString(n));
	269	#else
	270	#if 0
	271	wxXmString str(GetString(n).c_str());
	272	XmComboBoxSelectItem((Widget) m_mainWidget, str());
	273	#endif
	274	XtVaSetValues( (Widget)m_mainWidget,
	275	XmNselectedPosition, n,
	276	NULL );
	277	#endif
	278
	279	m_inSetSelection = false;
	280	}
	281
	282	int wxComboBox::GetSelection (void) const
	283	{
	284	return wxDoGetSelectionInList( GetXmList( this ) );
	285	}
	286
	287	wxString wxComboBox::GetString(unsigned int n) const
	288	{
	289	return wxDoGetStringInList( GetXmList(this), n );
	290	}
	291
	292	int wxComboBox::FindString(const wxString& s, bool WXUNUSED(bCase)) const
	293	{
	294	// FIXME: back to base class for not supported value of bCase
	295
	296	return wxDoFindStringInList( GetXmList( this ), s );
	297	}
	298
	299	// Clipboard operations
	300	void wxComboBox::Copy()
	301	{
	302	XmTextCopy( GetXmText(this), CurrentTime );
	303	}
	304
	305	void wxComboBox::Cut()
	306	{
	307	XmTextCut( GetXmText(this), CurrentTime );
	308	}
	309
	310	void wxComboBox::Paste()
	311	{
	312	XmTextPaste( GetXmText(this) );
	313	}
	314
	315	void wxComboBox::SetEditable(bool WXUNUSED(editable))
	316	{
	317	// TODO
	318	}
	319
	320	void wxComboBox::SetInsertionPoint(long pos)
	321	{
	322	XmTextSetInsertionPosition( GetXmText(this), (XmTextPosition)pos );
	323	}
	324
	325	void wxComboBox::SetInsertionPointEnd()
	326	{
	327	SetInsertionPoint( GetLastPosition() );
	328	}
	329
	330	long wxComboBox::GetInsertionPoint() const
	331	{
	332	return (long)XmTextGetInsertionPosition( GetXmText(this) );
	333	}
	334
	335	wxTextPos wxComboBox::GetLastPosition() const
	336	{
	337	XmTextPosition pos = XmTextGetLastPosition( GetXmText(this) );
	338	return (long)pos;
	339	}
	340
	341	void wxComboBox::Replace(long from, long to, const wxString& value)
	342	{
	343	XmTextReplace( GetXmText(this), (XmTextPosition)from, (XmTextPosition)to,
	344	value.char_str() );
	345	}
	346
	347	void wxComboBox::Remove(long from, long to)
	348	{
	349	SetSelection( from, to );
	350	XmTextRemove( GetXmText(this) );
	351	}
	352
	353	void wxComboBox::SetSelection(long from, long to)
	354	{
	355	if( to == -1 )
	356	to = GetLastPosition();
	357
	358	XmTextSetSelection( GetXmText(this), (XmTextPosition)from,
	359	(XmTextPosition)to, (Time)0 );
	360	}
	361
	362	void wxComboBoxCallback (Widget WXUNUSED(w), XtPointer clientData,
	363	XmComboBoxCallbackStruct * cbs)
	364	{
	365	wxComboBox item = (wxComboBox ) clientData;
	366
	367	if( item->m_inSetSelection ) return;
	368
	369	switch (cbs->reason)
	370	{
	371	case XmCR_SELECT:
	372	#if 0
	373	case XmCR_SINGLE_SELECT:
	374	case XmCR_BROWSE_SELECT:
	375	#endif
	376	{
	377	wxCommandEvent event (wxEVT_COMMAND_COMBOBOX_SELECTED,
	378	item->GetId());
	379	int idx = cbs->item_position;
	380	event.SetInt(idx);
	381	event.SetString( item->GetString (idx) );
	382	if ( item->HasClientObjectData() )
	383	event.SetClientObject( item->GetClientObject(idx) );
	384	else if ( item->HasClientUntypedData() )
	385	event.SetClientData( item->GetClientData(idx) );
	386	event.SetExtraLong(true);
	387	event.SetEventObject(item);
	388	item->GetEventHandler()->ProcessEvent(event);
	389	break;
	390	}
	391	case XmCR_VALUE_CHANGED:
	392	{
	393	wxCommandEvent event (wxEVT_COMMAND_TEXT_UPDATED, item->GetId());
	394	event.SetInt(-1);
	395	event.SetString( item->GetValue() );
	396	event.SetExtraLong(true);
	397	event.SetEventObject(item);
	398	item->GetEventHandler()->ProcessEvent(event);
	399	break;
	400	}
	401	default:
	402	break;
	403	}
	404	}
	405
	406	void wxComboBox::ChangeFont(bool keepOriginalSize)
	407	{
	408	if( m_font.Ok() && m_mainWidget != NULL )
	409	{
	410	wxDoChangeFont( GetXmText(this), m_font );
	411	wxDoChangeFont( GetXmList(this), m_font );
	412	}
	413
	414	// Don't use the base class wxChoice's ChangeFont
	415	wxWindow::ChangeFont(keepOriginalSize);
	416	}
	417
	418	void wxComboBox::ChangeBackgroundColour()
	419	{
	420	wxWindow::ChangeBackgroundColour();
	421	}
	422
	423	void wxComboBox::ChangeForegroundColour()
	424	{
	425	wxWindow::ChangeForegroundColour();
	426	}
	427
	428	wxSize wxComboBox::DoGetBestSize() const
	429	{
	430	if( (GetWindowStyle() & wxCB_DROPDOWN) == wxCB_DROPDOWN \|\|
	431	(GetWindowStyle() & wxCB_READONLY) == wxCB_READONLY )
	432	{
	433	Dimension arrowW, arrowS, highlight, xmargin, ymargin, shadow;
	434
	435	XtVaGetValues( (Widget)m_mainWidget,
	436	XmNarrowSize, &arrowW,
	437	XmNarrowSpacing, &arrowS,
	438	XmNhighlightThickness, &highlight,
	439	XmNmarginWidth, &xmargin,
	440	XmNmarginHeight, &ymargin,
	441	XmNshadowThickness, &shadow,
	442	NULL );
	443
	444	wxSize listSize = wxDoGetListBoxBestSize( GetXmList(this), this );
	445	wxSize textSize = wxDoGetSingleTextCtrlBestSize( GetXmText(this),
	446	this );
	447
	448	// FIXME arbitrary constants
	449	return wxSize( listSize.x + arrowW + arrowS + 2 * highlight
	450	+ 2 * shadow + 2 * xmargin ,
	451	textSize.y + 2 * highlight + 2 * ymargin + 2 * shadow );
	452	}
	453	else
	454	return wxWindow::DoGetBestSize();
	455	}
	456
	457	#endif // XmVersion >= 2000
	458
	459	#endif // wxUSE_COMBOBOX