src/univ/combobox.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        src/univ/combobox.cpp
// Purpose:     wxComboBox implementation
// Author:      Vadim Zeitlin
// Modified by:
// Created:     15.12.00
// RCS-ID:      $Id$
// Copyright:   (c) 2000 SciTech Software, Inc. (www.scitechsoft.com)
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// ============================================================================
// declarations
// ============================================================================

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------

#include "wx/wxprec.h"

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

#if wxUSE_COMBOBOX

#ifndef WX_PRECOMP
    #include "wx/log.h"

    #include "wx/button.h"
    #include "wx/combobox.h"
    #include "wx/listbox.h"
    #include "wx/textctrl.h"
    #include "wx/bmpbuttn.h"

    #include "wx/validate.h"
#endif

#include "wx/tooltip.h"
#include "wx/combo.h"

#include "wx/univ/renderer.h"
#include "wx/univ/inphand.h"
#include "wx/univ/theme.h"

// ----------------------------------------------------------------------------
// wxStdComboBoxInputHandler: allows the user to open/close the combo from kbd
// ----------------------------------------------------------------------------

class WXDLLEXPORT wxStdComboBoxInputHandler : public wxStdInputHandler
{
public:
    wxStdComboBoxInputHandler(wxInputHandler *inphand);

    virtual bool HandleKey(wxInputConsumer *consumer,
                           const wxKeyEvent& event,
                           bool pressed);
};

// ----------------------------------------------------------------------------
// wxComboListBox is a listbox modified to be used as a popup window in a
// combobox
// ----------------------------------------------------------------------------

class wxComboListBox : public wxListBox, public wxComboPopup
{
public:
    // ctor and dtor
    wxComboListBox();
    virtual ~wxComboListBox();

    // implement wxComboPopup methods
    virtual bool Create(wxWindow* parent);
    virtual void SetStringValue(const wxString& s);
    virtual wxString GetStringValue() const;
    virtual wxWindow *GetControl() { return this; }
    virtual void OnPopup();
    virtual wxSize GetAdjustedSize(int minWidth, int prefHeight, int maxHeight);

    // fix virtual function hiding
    virtual void SetSelection(int n) { DoSetSelection(n, true); }
    void SetSelection(int n, bool select) { DoSetSelection(n, select); }

    // used to process wxUniv actions
    bool PerformAction(const wxControlAction& action,
                       long numArg,
                       const wxString& strArg);

protected:
    // set m_clicked value from here
    void OnLeftUp(wxMouseEvent& event);

private:
    DECLARE_EVENT_TABLE()
};

// ----------------------------------------------------------------------------
// event tables and such
// ----------------------------------------------------------------------------

BEGIN_EVENT_TABLE(wxComboListBox, wxListBox)
    EVT_LEFT_UP(wxComboListBox::OnLeftUp)
END_EVENT_TABLE()

IMPLEMENT_DYNAMIC_CLASS2(wxComboBox, wxControl, wxComboCtrl)

// ============================================================================
// implementation
// ============================================================================

// ----------------------------------------------------------------------------
// wxComboListBox
// ----------------------------------------------------------------------------

wxComboListBox::wxComboListBox() : wxListBox(), wxComboPopup()
{
}

bool wxComboListBox::Create(wxWindow* parent)
{
    if ( !wxListBox::Create(parent, wxID_ANY,
                            wxDefaultPosition, wxDefaultSize,
                            0, NULL,
                            wxBORDER_SIMPLE |
                            ( m_combo->GetWindowStyle() & wxCB_SORT ? wxLB_SORT : 0 ) ) )
        return false;

    // we don't react to the mouse events outside the window at all
    StopAutoScrolling();

    return true;
}

wxComboListBox::~wxComboListBox()
{
}

wxString wxComboListBox::GetStringValue() const
{
    return wxListBox::GetStringSelection();
}

void wxComboListBox::SetStringValue(const wxString& value)
{
    if ( !value.empty() )
    {
        if (FindString(value) != wxNOT_FOUND)
            wxListBox::SetStringSelection(value);
    }
    else
        wxListBox::SetSelection(-1);
}

void wxComboListBox::OnPopup()
{
}

bool wxComboListBox::PerformAction(const wxControlAction& action,
                                   long numArg,
                                   const wxString& strArg)

{
    if ( action == wxACTION_LISTBOX_FIND )
    {
        // we don't let the listbox handle this as instead of just using the
        // single key presses, as usual, we use the text ctrl value as prefix
        // and this is done by wxComboCtrl itself
        return true;
    }

    return wxListBox::PerformAction(action, numArg, strArg);
}

void wxComboListBox::OnLeftUp(wxMouseEvent& event)
{
    // we should dismiss the combo now
    // first update the combo and close the listbox
    Dismiss();
    m_combo->SetValue(wxListBox::GetStringSelection());

    // next let the user code have the event
    wxCommandEvent evt(wxEVT_COMMAND_COMBOBOX_SELECTED,m_combo->GetId());
    evt.SetInt(wxListBox::GetSelection());
    evt.SetEventObject(m_combo);
    m_combo->ProcessEvent(evt);

    event.Skip();
}

wxSize wxComboListBox::GetAdjustedSize(int minWidth,
                                       int WXUNUSED(prefHeight),
                                       int maxHeight)
{
    wxSize bestSize = wxListBox::GetBestSize();
    return wxSize(wxMax(bestSize.x,minWidth),
                  wxMin(bestSize.y,maxHeight));
}

// ----------------------------------------------------------------------------
// wxComboBox
// ----------------------------------------------------------------------------

void wxComboBox::Init()
{
    m_lbox = (wxListBox *)NULL;
}

wxComboBox::wxComboBox(wxWindow *parent,
                       wxWindowID id,
                       const wxString& value,
                       const wxPoint& pos,
                       const wxSize& size,
                       const wxArrayString& choices,
                       long style,
                       const wxValidator& validator,
                       const wxString& name)
{
    Init();

    Create(parent, id, value, pos, size, choices, style, validator, name);
}

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);
}

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 ( !wxComboCtrl::Create(parent, id, value, pos, size, style,
                                 validator, name) )
    {
        return false;
    }

    wxComboListBox *combolbox = new wxComboListBox();
    SetPopupControl(combolbox);

    m_lbox = combolbox;
    m_lbox->Set(n, choices);

    return true;
}

wxComboBox::~wxComboBox()
{
}

// ----------------------------------------------------------------------------
// wxComboBox methods forwarded to wxTextCtrl
// ----------------------------------------------------------------------------

wxString wxComboBox::GetValue() const
{
    return wxComboCtrl::GetValue();
}

void wxComboBox::SetValue(const wxString& value)
{
    wxComboCtrl::SetValue(value);
}

void wxComboBox::Copy()
{
    if ( GetTextCtrl() ) GetTextCtrl()->Copy();
}

void wxComboBox::Cut()
{
    if ( GetTextCtrl() ) GetTextCtrl()->Cut();
}

void wxComboBox::Paste()
{
    if ( GetTextCtrl() ) GetTextCtrl()->Paste();
}

void wxComboBox::SetInsertionPoint(long pos)
{
    if ( GetTextCtrl() ) GetTextCtrl()->SetInsertionPoint(pos);
}

void wxComboBox::SetInsertionPointEnd()
{
    if ( GetTextCtrl() ) GetTextCtrl()->SetInsertionPointEnd();
}

long wxComboBox::GetInsertionPoint() const
{
    if ( GetTextCtrl() )
        return GetTextCtrl()->GetInsertionPoint();
    return -1;
}

wxTextPos wxComboBox::GetLastPosition() const
{
    if ( GetTextCtrl() )
        return GetTextCtrl()->GetLastPosition();
    return -1;
}

void wxComboBox::Replace(long from, long to, const wxString& value)
{
    if ( GetTextCtrl() ) GetTextCtrl()->Replace(from, to, value);
}

void wxComboBox::Remove(long from, long to)
{
    if ( GetTextCtrl() ) GetTextCtrl()->Remove(from, to);
}

void wxComboBox::SetSelection(long from, long to)
{
    if ( GetTextCtrl() ) GetTextCtrl()->SetSelection(from, to);
}

void wxComboBox::SetEditable(bool editable)
{
    if ( GetTextCtrl() ) GetTextCtrl()->SetEditable(editable);
}

// ----------------------------------------------------------------------------
// wxComboBox methods forwarded to wxListBox
// ----------------------------------------------------------------------------

void wxComboBox::DoClear()
{
    GetLBox()->Clear();
    if ( GetTextCtrl() ) GetTextCtrl()->SetValue(wxEmptyString);
}

void wxComboBox::DoDeleteOneItem(unsigned int n)
{
    wxCHECK_RET( IsValid(n), _T("invalid index in wxComboBox::Delete") );

    if (GetSelection() == (int)n)
        if ( GetTextCtrl() ) GetTextCtrl()->SetValue(wxEmptyString);

    GetLBox()->Delete(n);
}

unsigned int wxComboBox::GetCount() const
{
    return GetLBox()->GetCount();
}

wxString wxComboBox::GetString(unsigned int n) const
{
    wxCHECK_MSG( IsValid(n), wxEmptyString, _T("invalid index in wxComboBox::GetString") );

    return GetLBox()->GetString(n);
}

void wxComboBox::SetString(unsigned int n, const wxString& s)
{
    wxCHECK_RET( IsValid(n), _T("invalid index in wxComboBox::SetString") );

    GetLBox()->SetString(n, s);
}

int wxComboBox::FindString(const wxString& s, bool bCase) const
{
    return GetLBox()->FindString(s, bCase);
}

void wxComboBox::SetSelection(int n)
{
    wxCHECK_RET( (n == wxNOT_FOUND || IsValid(n)), _T("invalid index in wxComboBox::Select") );

    GetLBox()->SetSelection(n);

    wxString str;
    if ( n != wxNOT_FOUND )
        str = GetLBox()->GetString(n);

    SetText(str);
}

int wxComboBox::GetSelection() const
{
#if 1 // FIXME:: What is the correct behavior?
    // if the current value isn't one of the listbox strings, return -1
    return GetLBox()->GetSelection();
#else
    // Why oh why is this done this way?
    // It is not because the value displayed in the text can be found
    // in the list that it is the item that is selected!
    return FindString(if ( GetTextCtrl() ) GetTextCtrl()->GetValue());
#endif
}

int wxComboBox::DoInsertItems(const wxArrayStringsAdapter & items,
                              unsigned int pos,
                              void **clientData, wxClientDataType type)
{
    return GetLBox()->DoInsertItems(items, pos, clientData, type);
}

void wxComboBox::DoSetItemClientData(unsigned int n, void* clientData)
{
    GetLBox()->SetClientData(n, clientData);
}

void *wxComboBox::DoGetItemClientData(unsigned int n) const
{
    return GetLBox()->GetClientData(n);
}

bool wxComboBox::IsEditable() const
{
    return GetTextCtrl() != NULL && (!HasFlag(wxCB_READONLY) || GetTextCtrl()->IsEditable() );
}

void wxComboBox::Undo()
{
    if (IsEditable())
        if ( GetTextCtrl() ) GetTextCtrl()->Undo();
}

void wxComboBox::Redo()
{
    if (IsEditable())
        if ( GetTextCtrl() ) GetTextCtrl()->Redo();
}

void wxComboBox::SelectAll()
{
    if ( GetTextCtrl() ) GetTextCtrl()->SelectAll();
}

bool wxComboBox::CanCopy() const
{
    if (GetTextCtrl() != NULL)
        return GetTextCtrl()->CanCopy();
    else
        return false;
}

bool wxComboBox::CanCut() const
{
    if (GetTextCtrl() != NULL)
        return GetTextCtrl()->CanCut();
    else
        return false;
}

bool wxComboBox::CanPaste() const
{
    if (IsEditable())
        return GetTextCtrl()->CanPaste();
    else
        return false;
}

bool wxComboBox::CanUndo() const
{
    if (IsEditable())
        return GetTextCtrl()->CanUndo();
    else
        return false;
}

bool wxComboBox::CanRedo() const
{
    if (IsEditable())
        return GetTextCtrl()->CanRedo();
    else
        return false;
}


// ----------------------------------------------------------------------------
// wxStdComboBoxInputHandler
// ----------------------------------------------------------------------------

wxStdComboBoxInputHandler::wxStdComboBoxInputHandler(wxInputHandler *inphand)
                         : wxStdInputHandler(inphand)
{
}

bool wxStdComboBoxInputHandler::HandleKey(wxInputConsumer *consumer,
                                          const wxKeyEvent& event,
                                          bool pressed)
{
    if ( pressed )
    {
        wxControlAction action;
        switch ( event.GetKeyCode() )
        {
            case WXK_DOWN:
                action = wxACTION_COMBOBOX_POPUP;
                break;

            case WXK_ESCAPE:
                action = wxACTION_COMBOBOX_DISMISS;
                break;
        }

        if ( !action.IsEmpty() )
        {
            consumer->PerformAction(action);

            return true;
        }
    }

    return wxStdInputHandler::HandleKey(consumer, event, pressed);
}

/* static */
wxInputHandler *wxComboBox::GetStdInputHandler(wxInputHandler *handlerDef)
{
    static wxStdComboBoxInputHandler s_handler(handlerDef);

    return &s_handler;
}

#endif // wxUSE_COMBOBOX
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: src/univ/combobox.cpp
	3	// Purpose: wxComboBox implementation
	4	// Author: Vadim Zeitlin
	5	// Modified by:
	6	// Created: 15.12.00
	7	// RCS-ID: $Id$
	8	// Copyright: (c) 2000 SciTech Software, Inc. (www.scitechsoft.com)
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	// ============================================================================
	13	// declarations
	14	// ============================================================================
	15
	16	// ----------------------------------------------------------------------------
	17	// headers
	18	// ----------------------------------------------------------------------------
	19
	20	#include "wx/wxprec.h"
	21
	22	#ifdef __BORLANDC__
	23	#pragma hdrstop
	24	#endif
	25
	26	#if wxUSE_COMBOBOX
	27
	28	#ifndef WX_PRECOMP
	29	#include "wx/log.h"
	30
	31	#include "wx/button.h"
	32	#include "wx/combobox.h"
	33	#include "wx/listbox.h"
	34	#include "wx/textctrl.h"
	35	#include "wx/bmpbuttn.h"
	36
	37	#include "wx/validate.h"
	38	#endif
	39
	40	#include "wx/tooltip.h"
	41	#include "wx/combo.h"
	42
	43	#include "wx/univ/renderer.h"
	44	#include "wx/univ/inphand.h"
	45	#include "wx/univ/theme.h"
	46
	47	// ----------------------------------------------------------------------------
	48	// wxStdComboBoxInputHandler: allows the user to open/close the combo from kbd
	49	// ----------------------------------------------------------------------------
	50
	51	class WXDLLEXPORT wxStdComboBoxInputHandler : public wxStdInputHandler
	52	{
	53	public:
	54	wxStdComboBoxInputHandler(wxInputHandler *inphand);
	55
	56	virtual bool HandleKey(wxInputConsumer *consumer,
	57	const wxKeyEvent& event,
	58	bool pressed);
	59	};
	60
	61	// ----------------------------------------------------------------------------
	62	// wxComboListBox is a listbox modified to be used as a popup window in a
	63	// combobox
	64	// ----------------------------------------------------------------------------
	65
	66	class wxComboListBox : public wxListBox, public wxComboPopup
	67	{
	68	public:
	69	// ctor and dtor
	70	wxComboListBox();
	71	virtual ~wxComboListBox();
	72
	73	// implement wxComboPopup methods
	74	virtual bool Create(wxWindow* parent);
	75	virtual void SetStringValue(const wxString& s);
	76	virtual wxString GetStringValue() const;
	77	virtual wxWindow *GetControl() { return this; }
	78	virtual void OnPopup();
	79	virtual wxSize GetAdjustedSize(int minWidth, int prefHeight, int maxHeight);
	80
	81	// fix virtual function hiding
	82	virtual void SetSelection(int n) { DoSetSelection(n, true); }
	83	void SetSelection(int n, bool select) { DoSetSelection(n, select); }
	84
	85	// used to process wxUniv actions
	86	bool PerformAction(const wxControlAction& action,
	87	long numArg,
	88	const wxString& strArg);
	89
	90	protected:
	91	// set m_clicked value from here
	92	void OnLeftUp(wxMouseEvent& event);
	93
	94	private:
	95	DECLARE_EVENT_TABLE()
	96	};
	97
	98	// ----------------------------------------------------------------------------
	99	// event tables and such
	100	// ----------------------------------------------------------------------------
	101
	102	BEGIN_EVENT_TABLE(wxComboListBox, wxListBox)
	103	EVT_LEFT_UP(wxComboListBox::OnLeftUp)
	104	END_EVENT_TABLE()
	105
	106	IMPLEMENT_DYNAMIC_CLASS2(wxComboBox, wxControl, wxComboCtrl)
	107
	108	// ============================================================================
	109	// implementation
	110	// ============================================================================
	111
	112	// ----------------------------------------------------------------------------
	113	// wxComboListBox
	114	// ----------------------------------------------------------------------------
	115
	116	wxComboListBox::wxComboListBox() : wxListBox(), wxComboPopup()
	117	{
	118	}
	119
	120	bool wxComboListBox::Create(wxWindow* parent)
	121	{
	122	if ( !wxListBox::Create(parent, wxID_ANY,
	123	wxDefaultPosition, wxDefaultSize,
	124	0, NULL,
	125	wxBORDER_SIMPLE \|
	126	( m_combo->GetWindowStyle() & wxCB_SORT ? wxLB_SORT : 0 ) ) )
	127	return false;
	128
	129	// we don't react to the mouse events outside the window at all
	130	StopAutoScrolling();
	131
	132	return true;
	133	}
	134
	135	wxComboListBox::~wxComboListBox()
	136	{
	137	}
	138
	139	wxString wxComboListBox::GetStringValue() const
	140	{
	141	return wxListBox::GetStringSelection();
	142	}
	143
	144	void wxComboListBox::SetStringValue(const wxString& value)
	145	{
	146	if ( !value.empty() )
	147	{
	148	if (FindString(value) != wxNOT_FOUND)
	149	wxListBox::SetStringSelection(value);
	150	}
	151	else
	152	wxListBox::SetSelection(-1);
	153	}
	154
	155	void wxComboListBox::OnPopup()
	156	{
	157	}
	158
	159	bool wxComboListBox::PerformAction(const wxControlAction& action,
	160	long numArg,
	161	const wxString& strArg)
	162
	163	{
	164	if ( action == wxACTION_LISTBOX_FIND )
	165	{
	166	// we don't let the listbox handle this as instead of just using the
	167	// single key presses, as usual, we use the text ctrl value as prefix
	168	// and this is done by wxComboCtrl itself
	169	return true;
	170	}
	171
	172	return wxListBox::PerformAction(action, numArg, strArg);
	173	}
	174
	175	void wxComboListBox::OnLeftUp(wxMouseEvent& event)
	176	{
	177	// we should dismiss the combo now
	178	// first update the combo and close the listbox
	179	Dismiss();
	180	m_combo->SetValue(wxListBox::GetStringSelection());
	181
	182	// next let the user code have the event
	183	wxCommandEvent evt(wxEVT_COMMAND_COMBOBOX_SELECTED,m_combo->GetId());
	184	evt.SetInt(wxListBox::GetSelection());
	185	evt.SetEventObject(m_combo);
	186	m_combo->ProcessEvent(evt);
	187
	188	event.Skip();
	189	}
	190
	191	wxSize wxComboListBox::GetAdjustedSize(int minWidth,
	192	int WXUNUSED(prefHeight),
	193	int maxHeight)
	194	{
	195	wxSize bestSize = wxListBox::GetBestSize();
	196	return wxSize(wxMax(bestSize.x,minWidth),
	197	wxMin(bestSize.y,maxHeight));
	198	}
	199
	200	// ----------------------------------------------------------------------------
	201	// wxComboBox
	202	// ----------------------------------------------------------------------------
	203
	204	void wxComboBox::Init()
	205	{
	206	m_lbox = (wxListBox *)NULL;
	207	}
	208
	209	wxComboBox::wxComboBox(wxWindow *parent,
	210	wxWindowID id,
	211	const wxString& value,
	212	const wxPoint& pos,
	213	const wxSize& size,
	214	const wxArrayString& choices,
	215	long style,
	216	const wxValidator& validator,
	217	const wxString& name)
	218	{
	219	Init();
	220
	221	Create(parent, id, value, pos, size, choices, style, validator, name);
	222	}
	223
	224	bool wxComboBox::Create(wxWindow *parent,
	225	wxWindowID id,
	226	const wxString& value,
	227	const wxPoint& pos,
	228	const wxSize& size,
	229	const wxArrayString& choices,
	230	long style,
	231	const wxValidator& validator,
	232	const wxString& name)
	233	{
	234	wxCArrayString chs(choices);
	235
	236	return Create(parent, id, value, pos, size, chs.GetCount(),
	237	chs.GetStrings(), style, validator, name);
	238	}
	239
	240	bool wxComboBox::Create(wxWindow *parent,
	241	wxWindowID id,
	242	const wxString& value,
	243	const wxPoint& pos,
	244	const wxSize& size,
	245	int n,
	246	const wxString choices[],
	247	long style,
	248	const wxValidator& validator,
	249	const wxString& name)
	250	{
	251	if ( !wxComboCtrl::Create(parent, id, value, pos, size, style,
	252	validator, name) )
	253	{
	254	return false;
	255	}
	256
	257	wxComboListBox *combolbox = new wxComboListBox();
	258	SetPopupControl(combolbox);
	259
	260	m_lbox = combolbox;
	261	m_lbox->Set(n, choices);
	262
	263	return true;
	264	}
	265
	266	wxComboBox::~wxComboBox()
	267	{
	268	}
	269
	270	// ----------------------------------------------------------------------------
	271	// wxComboBox methods forwarded to wxTextCtrl
	272	// ----------------------------------------------------------------------------
	273
	274	wxString wxComboBox::GetValue() const
	275	{
	276	return wxComboCtrl::GetValue();
	277	}
	278
	279	void wxComboBox::SetValue(const wxString& value)
	280	{
	281	wxComboCtrl::SetValue(value);
	282	}
	283
	284	void wxComboBox::Copy()
	285	{
	286	if ( GetTextCtrl() ) GetTextCtrl()->Copy();
	287	}
	288
	289	void wxComboBox::Cut()
	290	{
	291	if ( GetTextCtrl() ) GetTextCtrl()->Cut();
	292	}
	293
	294	void wxComboBox::Paste()
	295	{
	296	if ( GetTextCtrl() ) GetTextCtrl()->Paste();
	297	}
	298
	299	void wxComboBox::SetInsertionPoint(long pos)
	300	{
	301	if ( GetTextCtrl() ) GetTextCtrl()->SetInsertionPoint(pos);
	302	}
	303
	304	void wxComboBox::SetInsertionPointEnd()
	305	{
	306	if ( GetTextCtrl() ) GetTextCtrl()->SetInsertionPointEnd();
	307	}
	308
	309	long wxComboBox::GetInsertionPoint() const
	310	{
	311	if ( GetTextCtrl() )
	312	return GetTextCtrl()->GetInsertionPoint();
	313	return -1;
	314	}
	315
	316	wxTextPos wxComboBox::GetLastPosition() const
	317	{
	318	if ( GetTextCtrl() )
	319	return GetTextCtrl()->GetLastPosition();
	320	return -1;
	321	}
	322
	323	void wxComboBox::Replace(long from, long to, const wxString& value)
	324	{
	325	if ( GetTextCtrl() ) GetTextCtrl()->Replace(from, to, value);
	326	}
	327
	328	void wxComboBox::Remove(long from, long to)
	329	{
	330	if ( GetTextCtrl() ) GetTextCtrl()->Remove(from, to);
	331	}
	332
	333	void wxComboBox::SetSelection(long from, long to)
	334	{
	335	if ( GetTextCtrl() ) GetTextCtrl()->SetSelection(from, to);
	336	}
	337
	338	void wxComboBox::SetEditable(bool editable)
	339	{
	340	if ( GetTextCtrl() ) GetTextCtrl()->SetEditable(editable);
	341	}
	342
	343	// ----------------------------------------------------------------------------
	344	// wxComboBox methods forwarded to wxListBox
	345	// ----------------------------------------------------------------------------
	346
	347	void wxComboBox::DoClear()
	348	{
	349	GetLBox()->Clear();
	350	if ( GetTextCtrl() ) GetTextCtrl()->SetValue(wxEmptyString);
	351	}
	352
	353	void wxComboBox::DoDeleteOneItem(unsigned int n)
	354	{
	355	wxCHECK_RET( IsValid(n), _T("invalid index in wxComboBox::Delete") );
	356
	357	if (GetSelection() == (int)n)
	358	if ( GetTextCtrl() ) GetTextCtrl()->SetValue(wxEmptyString);
	359
	360	GetLBox()->Delete(n);
	361	}
	362
	363	unsigned int wxComboBox::GetCount() const
	364	{
	365	return GetLBox()->GetCount();
	366	}
	367
	368	wxString wxComboBox::GetString(unsigned int n) const
	369	{
	370	wxCHECK_MSG( IsValid(n), wxEmptyString, _T("invalid index in wxComboBox::GetString") );
	371
	372	return GetLBox()->GetString(n);
	373	}
	374
	375	void wxComboBox::SetString(unsigned int n, const wxString& s)
	376	{
	377	wxCHECK_RET( IsValid(n), _T("invalid index in wxComboBox::SetString") );
	378
	379	GetLBox()->SetString(n, s);
	380	}
	381
	382	int wxComboBox::FindString(const wxString& s, bool bCase) const
	383	{
	384	return GetLBox()->FindString(s, bCase);
	385	}
	386
	387	void wxComboBox::SetSelection(int n)
	388	{
	389	wxCHECK_RET( (n == wxNOT_FOUND \|\| IsValid(n)), _T("invalid index in wxComboBox::Select") );
	390
	391	GetLBox()->SetSelection(n);
	392
	393	wxString str;
	394	if ( n != wxNOT_FOUND )
	395	str = GetLBox()->GetString(n);
	396
	397	SetText(str);
	398	}
	399
	400	int wxComboBox::GetSelection() const
	401	{
	402	#if 1 // FIXME:: What is the correct behavior?
	403	// if the current value isn't one of the listbox strings, return -1
	404	return GetLBox()->GetSelection();
	405	#else
	406	// Why oh why is this done this way?
	407	// It is not because the value displayed in the text can be found
	408	// in the list that it is the item that is selected!
	409	return FindString(if ( GetTextCtrl() ) GetTextCtrl()->GetValue());
	410	#endif
	411	}
	412
	413	int wxComboBox::DoInsertItems(const wxArrayStringsAdapter & items,
	414	unsigned int pos,
	415	void **clientData, wxClientDataType type)
	416	{
	417	return GetLBox()->DoInsertItems(items, pos, clientData, type);
	418	}
	419
	420	void wxComboBox::DoSetItemClientData(unsigned int n, void* clientData)
	421	{
	422	GetLBox()->SetClientData(n, clientData);
	423	}
	424
	425	void *wxComboBox::DoGetItemClientData(unsigned int n) const
	426	{
	427	return GetLBox()->GetClientData(n);
	428	}
	429
	430	bool wxComboBox::IsEditable() const
	431	{
	432	return GetTextCtrl() != NULL && (!HasFlag(wxCB_READONLY) \|\| GetTextCtrl()->IsEditable() );
	433	}
	434
	435	void wxComboBox::Undo()
	436	{
	437	if (IsEditable())
	438	if ( GetTextCtrl() ) GetTextCtrl()->Undo();
	439	}
	440
	441	void wxComboBox::Redo()
	442	{
	443	if (IsEditable())
	444	if ( GetTextCtrl() ) GetTextCtrl()->Redo();
	445	}
	446
	447	void wxComboBox::SelectAll()
	448	{
	449	if ( GetTextCtrl() ) GetTextCtrl()->SelectAll();
	450	}
	451
	452	bool wxComboBox::CanCopy() const
	453	{
	454	if (GetTextCtrl() != NULL)
	455	return GetTextCtrl()->CanCopy();
	456	else
	457	return false;
	458	}
	459
	460	bool wxComboBox::CanCut() const
	461	{
	462	if (GetTextCtrl() != NULL)
	463	return GetTextCtrl()->CanCut();
	464	else
	465	return false;
	466	}
	467
	468	bool wxComboBox::CanPaste() const
	469	{
	470	if (IsEditable())
	471	return GetTextCtrl()->CanPaste();
	472	else
	473	return false;
	474	}
	475
	476	bool wxComboBox::CanUndo() const
	477	{
	478	if (IsEditable())
	479	return GetTextCtrl()->CanUndo();
	480	else
	481	return false;
	482	}
	483
	484	bool wxComboBox::CanRedo() const
	485	{
	486	if (IsEditable())
	487	return GetTextCtrl()->CanRedo();
	488	else
	489	return false;
	490	}
	491
	492
	493	// ----------------------------------------------------------------------------
	494	// wxStdComboBoxInputHandler
	495	// ----------------------------------------------------------------------------
	496
	497	wxStdComboBoxInputHandler::wxStdComboBoxInputHandler(wxInputHandler *inphand)
	498	: wxStdInputHandler(inphand)
	499	{
	500	}
	501
	502	bool wxStdComboBoxInputHandler::HandleKey(wxInputConsumer *consumer,
	503	const wxKeyEvent& event,
	504	bool pressed)
	505	{
	506	if ( pressed )
	507	{
	508	wxControlAction action;
	509	switch ( event.GetKeyCode() )
	510	{
	511	case WXK_DOWN:
	512	action = wxACTION_COMBOBOX_POPUP;
	513	break;
	514
	515	case WXK_ESCAPE:
	516	action = wxACTION_COMBOBOX_DISMISS;
	517	break;
	518	}
	519
	520	if ( !action.IsEmpty() )
	521	{
	522	consumer->PerformAction(action);
	523
	524	return true;
	525	}
	526	}
	527
	528	return wxStdInputHandler::HandleKey(consumer, event, pressed);
	529	}
	530
	531	/* static */
	532	wxInputHandler wxComboBox::GetStdInputHandler(wxInputHandler handlerDef)
	533	{
	534	static wxStdComboBoxInputHandler s_handler(handlerDef);
	535
	536	return &s_handler;
	537	}
	538
	539	#endif // wxUSE_COMBOBOX