src/mac/carbon/combobox.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        src/mac/carbon/combobox.cpp
// Purpose:     wxComboBox class
// Author:      Stefan Csomor, Dan "Bud" Keith (composite combobox)
// Modified by:
// Created:     1998-01-01
// RCS-ID:      $Id$
// Copyright:   (c) Stefan Csomor
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#include "wx/wxprec.h"

#if wxUSE_COMBOBOX

#include "wx/combobox.h"
#include "wx/button.h"
#include "wx/menu.h"
#include "wx/mac/uma.h"

IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl)


static int nextPopUpMenuId = 1000 ;

MenuHandle NewUniqueMenu()
{
    MenuHandle handle = NewMenu( nextPopUpMenuId , "\pMenu" ) ;
    nextPopUpMenuId++ ;

    return handle ;
}


// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------

// the margin between the text control and the choice
#if TARGET_API_MAC_OSX
// margin should be bigger on OS X due to blue highlight
// around text control.
static const wxCoord MARGIN = 4;
// this is the border a focus rect on OSX is needing
static const int    TEXTFOCUSBORDER = 3 ;
#else
static const wxCoord MARGIN = 2;
static const int    TEXTFOCUSBORDER = 0 ;
#endif
static const int    POPUPHEIGHT = 23;


// ----------------------------------------------------------------------------
// wxComboBoxText: text control forwards events to combobox
// ----------------------------------------------------------------------------

class wxComboBoxText : public wxTextCtrl
{
public:
    wxComboBoxText( wxComboBox * cb )
        : wxTextCtrl( cb , 1 )
    {
        m_cb = cb;
    }

protected:
    void OnChar( wxKeyEvent& event )
    {
        // Allows processing the tab key to go to the next control
        if (event.GetKeyCode() == WXK_TAB)
        {
            wxNavigationKeyEvent NavEvent;
            NavEvent.SetEventObject(this);
            NavEvent.SetDirection(true);
            NavEvent.SetWindowChange(false);

            // Get the parent of the combo and have it process the navigation?
            if (m_cb->GetParent()->GetEventHandler()->ProcessEvent(NavEvent))
                    return;
        }

        // send the event to the combobox class in case the user has bound EVT_CHAR
        wxKeyEvent kevt(event);
        kevt.SetEventObject(m_cb);
        if (m_cb->GetEventHandler()->ProcessEvent(kevt))
            // If the event was handled and not skipped then we're done
            return;

        if ( event.GetKeyCode() == WXK_RETURN )
        {
            wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_cb->GetId());
            event.SetString( GetValue() );
            event.SetInt( m_cb->GetSelection() );
            event.SetEventObject( m_cb );

            // This will invoke the dialog default action,
            // such as the clicking the default button.
            if (!m_cb->GetEventHandler()->ProcessEvent( event ))
            {
                wxWindow *parent = GetParent();
                while ( parent && !parent->IsTopLevel() && parent->GetDefaultItem() == NULL )
                    parent = parent->GetParent() ;

                if ( parent && parent->GetDefaultItem() )
                {
                    wxButton *def = wxDynamicCast(parent->GetDefaultItem(), wxButton);
                    if ( def && def->IsEnabled() )
                    {
                        wxCommandEvent event( wxEVT_COMMAND_BUTTON_CLICKED, def->GetId() );
                        event.SetEventObject(def);
                        def->Command(event);
                   }
                }

                return;
            }
        }

        event.Skip();
    }

    void OnKeyUp( wxKeyEvent& event )
    {
        event.SetEventObject(m_cb);
        event.SetId(m_cb->GetId());
        if (! m_cb->GetEventHandler()->ProcessEvent(event))
            event.Skip();
    }

    void OnKeyDown( wxKeyEvent& event )
    {
        event.SetEventObject(m_cb);
        event.SetId(m_cb->GetId());
        if (! m_cb->GetEventHandler()->ProcessEvent(event))
            event.Skip();
    }

    void OnText( wxCommandEvent& event )
    {
        event.SetEventObject(m_cb);
        event.SetId(m_cb->GetId());
        if (! m_cb->GetEventHandler()->ProcessEvent(event))
            event.Skip();
    }

private:
    wxComboBox *m_cb;

    DECLARE_EVENT_TABLE()
};

BEGIN_EVENT_TABLE(wxComboBoxText, wxTextCtrl)
    EVT_KEY_DOWN(wxComboBoxText::OnKeyDown)
    EVT_CHAR(wxComboBoxText::OnChar)
    EVT_KEY_UP(wxComboBoxText::OnKeyUp)
    EVT_TEXT(-1, wxComboBoxText::OnText)
END_EVENT_TABLE()

class wxComboBoxChoice : public wxChoice
{
public:
    wxComboBoxChoice( wxComboBox *cb, int style )
        : wxChoice( cb , 1 , wxDefaultPosition , wxDefaultSize , 0 , NULL , style & (wxCB_SORT) )
    {
        m_cb = cb;
    }

    int GetPopupWidth() const
    {
        switch ( GetWindowVariant() )
        {
            case wxWINDOW_VARIANT_NORMAL :
            case wxWINDOW_VARIANT_LARGE :
                return 24 ;

            default :
                return 21 ;
        }
    }

protected:
    void OnChoice( wxCommandEvent& e )
    {
        wxString    s = e.GetString();

        m_cb->DelegateChoice( s );
        wxCommandEvent event2(wxEVT_COMMAND_COMBOBOX_SELECTED, m_cb->GetId() );
        event2.SetInt(m_cb->GetSelection());
        event2.SetEventObject(m_cb);
        event2.SetString(m_cb->GetStringSelection());
        m_cb->ProcessCommand(event2);

        // For consistency with MSW and GTK, also send a text updated event
        // After all, the text is updated when a selection is made
        wxCommandEvent TextEvent( wxEVT_COMMAND_TEXT_UPDATED, m_cb->GetId() );
        TextEvent.SetString( m_cb->GetStringSelection() );
        TextEvent.SetEventObject( m_cb );
        m_cb->ProcessCommand( TextEvent );
    }

    virtual wxSize DoGetBestSize() const
    {
        wxSize sz = wxChoice::DoGetBestSize() ;
        if (! m_cb->HasFlag(wxCB_READONLY) )
            sz.x = GetPopupWidth() ;

        return sz ;
    }

private:
    wxComboBox *m_cb;

    DECLARE_EVENT_TABLE()
};

BEGIN_EVENT_TABLE(wxComboBoxChoice, wxChoice)
    EVT_CHOICE(-1, wxComboBoxChoice::OnChoice)
END_EVENT_TABLE()

wxComboBox::~wxComboBox()
{
    // delete client objects
    FreeData();

    // delete the controls now, don't leave them alive even though they would
    // still be eventually deleted by our parent - but it will be too late, the
    // user code expects them to be gone now
    if (m_text != NULL)
    {
        delete m_text;
        m_text = NULL;
    }

    if (m_choice != NULL)
    {
        delete m_choice;
        m_choice = NULL;
    }
}

// ----------------------------------------------------------------------------
// geometry
// ----------------------------------------------------------------------------

wxSize wxComboBox::DoGetBestSize() const
{
    if (!m_choice && !m_text)
        return GetSize();

    wxSize size = m_choice->GetBestSize();

    if ( m_text != NULL )
    {
        wxSize  sizeText = m_text->GetBestSize();
        if (sizeText.y > size.y)
            size.y = sizeText.y;

        size.x = m_choice->GetPopupWidth() + sizeText.x + MARGIN;
        size.x += TEXTFOCUSBORDER ;
        size.y += 2 * TEXTFOCUSBORDER ;
    }
    else
    {
        // clipping is too tight
        size.y += 1 ;
    }

    return size;
}

void wxComboBox::DoMoveWindow(int x, int y, int width, int height)
{
    wxControl::DoMoveWindow( x, y, width , height );

    if ( m_text == NULL )
    {
        // we might not be fully constructed yet, therefore watch out...
        if ( m_choice )
            m_choice->SetSize(0, 0 , width, -1);
    }
    else
    {
        wxCoord wText = width - m_choice->GetPopupWidth() - MARGIN;
        m_text->SetSize(TEXTFOCUSBORDER, TEXTFOCUSBORDER, wText, -1);

        // put it at an inset of 1 to have outer area shadows drawn as well
        m_choice->SetSize(TEXTFOCUSBORDER + wText + MARGIN - 1 , TEXTFOCUSBORDER, m_choice->GetPopupWidth() , -1);
    }
}

// ----------------------------------------------------------------------------
// operations forwarded to the subcontrols
// ----------------------------------------------------------------------------

bool wxComboBox::Enable(bool enable)
{
    if ( !wxControl::Enable(enable) )
        return false;

    if (m_text)
        m_text->Enable(enable);

    return true;
}

bool wxComboBox::Show(bool show)
{
    if ( !wxControl::Show(show) )
        return false;

    return true;
}

void wxComboBox::SetFocus()
{
    if ( m_text != NULL)
        m_text->SetFocus();
}

void wxComboBox::DelegateTextChanged( const wxString& value )
{
    SetStringSelection( value );
}

void wxComboBox::DelegateChoice( const wxString& value )
{
    SetStringSelection( value );
}

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 ( !wxControl::Create(parent, id, wxDefaultPosition, wxDefaultSize, style ,
                            validator, name) )
    {
        return false;
    }

    m_choice = new wxComboBoxChoice(this, style );
    wxSize csize = size;
    if ( style & wxCB_READONLY )
    {
        m_text = NULL;
    }
    else
    {
        m_text = new wxComboBoxText(this);
        if ( size.y == -1 )
        {
            csize.y = m_text->GetSize().y ;
            csize.y += 2 * TEXTFOCUSBORDER ;
        }
    }

    DoSetSize(pos.x, pos.y, csize.x, csize.y);

    for ( int i = 0 ; i < n ; i++ )
    {
        m_choice->DoAppend( choices[ i ] );
    }

    // Needed because it is a wxControlWithItems
    SetBestSize(size);
    SetStringSelection(value);

    return true;
}

wxString wxComboBox::GetValue() const
{
    wxString        result;

    if ( m_text == NULL )
        result = m_choice->GetString( m_choice->GetSelection() );
    else
        result = m_text->GetValue();

    return result;
}

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

void wxComboBox::SetValue(const wxString& value)
{
    if ( HasFlag(wxCB_READONLY) )
        SetStringSelection( value ) ;
    else
        m_text->SetValue( value );
}

// Clipboard operations

void wxComboBox::Copy()
{
    if ( m_text != NULL )
        m_text->Copy();
}

void wxComboBox::Cut()
{
    if ( m_text != NULL )
        m_text->Cut();
}

void wxComboBox::Paste()
{
    if ( m_text != NULL )
        m_text->Paste();
}

void wxComboBox::SetEditable(bool editable)
{
    if ( ( m_text == NULL ) && editable )
    {
        m_text = new wxComboBoxText( this );
    }
    else if ( ( m_text != NULL ) && !editable )
    {
        delete m_text;
        m_text = NULL;
    }

    int currentX, currentY;
    GetPosition( &currentX, &currentY );

    int currentW, currentH;
    GetSize( &currentW, &currentH );

    DoMoveWindow( currentX, currentY, currentW, currentH );
}

void wxComboBox::SetInsertionPoint(long pos)
{
    // TODO
}

void wxComboBox::SetInsertionPointEnd()
{
    // TODO
}

long wxComboBox::GetInsertionPoint() const
{
    // TODO
    return 0;
}

wxTextPos wxComboBox::GetLastPosition() const
{
    // TODO
    return 0;
}

void wxComboBox::Replace(long from, long to, const wxString& value)
{
    // TODO
}

void wxComboBox::Remove(long from, long to)
{
    // TODO
}

void wxComboBox::SetSelection(long from, long to)
{
    // TODO
}

int wxComboBox::DoAppend(const wxString& item)
{
    return m_choice->DoAppend( item ) ;
}

int wxComboBox::DoInsert(const wxString& item, int pos)
{
    return m_choice->DoInsert( item , pos ) ;
}

void wxComboBox::DoSetItemClientData(int n, void* clientData)
{
    return m_choice->DoSetItemClientData( n , clientData ) ;
}

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

void wxComboBox::DoSetItemClientObject(int n, wxClientData* clientData)
{
    return m_choice->DoSetItemClientObject( n , clientData ) ;
}

wxClientData* wxComboBox::DoGetItemClientObject(int n) const
{
    return m_choice->DoGetItemClientObject( n ) ;
}

void wxComboBox::FreeData()
{
    if ( HasClientObjectData() )
    {
        size_t count = GetCount();
        for ( size_t n = 0; n < count; n++ )
        {
            SetClientObject( n, NULL );
        }
    }
}

void wxComboBox::Delete(int n)
{
    // force client object deletion
    if( HasClientObjectData() )
        SetClientObject( n, NULL );
    m_choice->Delete( n );
}

void wxComboBox::Clear()
{
    FreeData();
    m_choice->Clear();
}

int wxComboBox::GetSelection() const
{
    return m_choice->GetSelection();
}

void wxComboBox::SetSelection(int n)
{
    m_choice->SetSelection( n );

    if ( m_text != NULL )
        m_text->SetValue( GetString( n ) );
}

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

wxString wxComboBox::GetString(int n) const
{
    return m_choice->GetString( n );
}

wxString wxComboBox::GetStringSelection() const
{
    int sel = GetSelection();
    if (sel > -1)
        return wxString(this->GetString (sel));
    else
        return wxEmptyString;
}

void wxComboBox::SetString(int n, const wxString& s)
{
    m_choice->SetString( n , s ) ;
}

bool wxComboBox::IsEditable() const
{
    return m_text != NULL && !HasFlag(wxCB_READONLY);
}

void wxComboBox::Undo()
{
    if (m_text != NULL)
        m_text->Undo();
}

void wxComboBox::Redo()
{
    if (m_text != NULL)
        m_text->Redo();
}

void wxComboBox::SelectAll()
{
    if (m_text != NULL)
        m_text->SelectAll();
}

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

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

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

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

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

wxInt32 wxComboBox::MacControlHit( WXEVENTHANDLERREF WXUNUSED(handler) , WXEVENTREF WXUNUSED(event) )
{
/*
    For consistency with other platforms, clicking in the text area does not constitute a selection
    wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, m_windowId );
    event.SetInt(GetSelection());
    event.SetEventObject(this);
    event.SetString(GetStringSelection());
    ProcessCommand(event);
*/

    return noErr ;
}

#endif
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: src/mac/carbon/combobox.cpp
	3	// Purpose: wxComboBox class
	4	// Author: Stefan Csomor, Dan "Bud" Keith (composite combobox)
	5	// Modified by:
	6	// Created: 1998-01-01
	7	// RCS-ID: $Id$
	8	// Copyright: (c) Stefan Csomor
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	#include "wx/wxprec.h"
	13
	14	#if wxUSE_COMBOBOX
	15
	16	#include "wx/combobox.h"
	17	#include "wx/button.h"
	18	#include "wx/menu.h"
	19	#include "wx/mac/uma.h"
	20
	21	IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl)
	22
	23
	24	static int nextPopUpMenuId = 1000 ;
	25
	26	MenuHandle NewUniqueMenu()
	27	{
	28	MenuHandle handle = NewMenu( nextPopUpMenuId , "\pMenu" ) ;
	29	nextPopUpMenuId++ ;
	30
	31	return handle ;
	32	}
	33
	34
	35	// ----------------------------------------------------------------------------
	36	// constants
	37	// ----------------------------------------------------------------------------
	38
	39	// the margin between the text control and the choice
	40	#if TARGET_API_MAC_OSX
	41	// margin should be bigger on OS X due to blue highlight
	42	// around text control.
	43	static const wxCoord MARGIN = 4;
	44	// this is the border a focus rect on OSX is needing
	45	static const int TEXTFOCUSBORDER = 3 ;
	46	#else
	47	static const wxCoord MARGIN = 2;
	48	static const int TEXTFOCUSBORDER = 0 ;
	49	#endif
	50	static const int POPUPHEIGHT = 23;
	51
	52
	53	// ----------------------------------------------------------------------------
	54	// wxComboBoxText: text control forwards events to combobox
	55	// ----------------------------------------------------------------------------
	56
	57	class wxComboBoxText : public wxTextCtrl
	58	{
	59	public:
	60	wxComboBoxText( wxComboBox * cb )
	61	: wxTextCtrl( cb , 1 )
	62	{
	63	m_cb = cb;
	64	}
	65
	66	protected:
	67	void OnChar( wxKeyEvent& event )
	68	{
	69	// Allows processing the tab key to go to the next control
	70	if (event.GetKeyCode() == WXK_TAB)
	71	{
	72	wxNavigationKeyEvent NavEvent;
	73	NavEvent.SetEventObject(this);
	74	NavEvent.SetDirection(true);
	75	NavEvent.SetWindowChange(false);
	76
	77	// Get the parent of the combo and have it process the navigation?
	78	if (m_cb->GetParent()->GetEventHandler()->ProcessEvent(NavEvent))
	79	return;
	80	}
	81
	82	// send the event to the combobox class in case the user has bound EVT_CHAR
	83	wxKeyEvent kevt(event);
	84	kevt.SetEventObject(m_cb);
	85	if (m_cb->GetEventHandler()->ProcessEvent(kevt))
	86	// If the event was handled and not skipped then we're done
	87	return;
	88
	89	if ( event.GetKeyCode() == WXK_RETURN )
	90	{
	91	wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_cb->GetId());
	92	event.SetString( GetValue() );
	93	event.SetInt( m_cb->GetSelection() );
	94	event.SetEventObject( m_cb );
	95
	96	// This will invoke the dialog default action,
	97	// such as the clicking the default button.
	98	if (!m_cb->GetEventHandler()->ProcessEvent( event ))
	99	{
	100	wxWindow *parent = GetParent();
	101	while ( parent && !parent->IsTopLevel() && parent->GetDefaultItem() == NULL )
	102	parent = parent->GetParent() ;
	103
	104	if ( parent && parent->GetDefaultItem() )
	105	{
	106	wxButton *def = wxDynamicCast(parent->GetDefaultItem(), wxButton);
	107	if ( def && def->IsEnabled() )
	108	{
	109	wxCommandEvent event( wxEVT_COMMAND_BUTTON_CLICKED, def->GetId() );
	110	event.SetEventObject(def);
	111	def->Command(event);
	112	}
	113	}
	114
	115	return;
	116	}
	117	}
	118
	119	event.Skip();
	120	}
	121
	122	void OnKeyUp( wxKeyEvent& event )
	123	{
	124	event.SetEventObject(m_cb);
	125	event.SetId(m_cb->GetId());
	126	if (! m_cb->GetEventHandler()->ProcessEvent(event))
	127	event.Skip();
	128	}
	129
	130	void OnKeyDown( wxKeyEvent& event )
	131	{
	132	event.SetEventObject(m_cb);
	133	event.SetId(m_cb->GetId());
	134	if (! m_cb->GetEventHandler()->ProcessEvent(event))
	135	event.Skip();
	136	}
	137
	138	void OnText( wxCommandEvent& event )
	139	{
	140	event.SetEventObject(m_cb);
	141	event.SetId(m_cb->GetId());
	142	if (! m_cb->GetEventHandler()->ProcessEvent(event))
	143	event.Skip();
	144	}
	145
	146	private:
	147	wxComboBox *m_cb;
	148
	149	DECLARE_EVENT_TABLE()
	150	};
	151
	152	BEGIN_EVENT_TABLE(wxComboBoxText, wxTextCtrl)
	153	EVT_KEY_DOWN(wxComboBoxText::OnKeyDown)
	154	EVT_CHAR(wxComboBoxText::OnChar)
	155	EVT_KEY_UP(wxComboBoxText::OnKeyUp)
	156	EVT_TEXT(-1, wxComboBoxText::OnText)
	157	END_EVENT_TABLE()
	158
	159	class wxComboBoxChoice : public wxChoice
	160	{
	161	public:
	162	wxComboBoxChoice( wxComboBox *cb, int style )
	163	: wxChoice( cb , 1 , wxDefaultPosition , wxDefaultSize , 0 , NULL , style & (wxCB_SORT) )
	164	{
	165	m_cb = cb;
	166	}
	167
	168	int GetPopupWidth() const
	169	{
	170	switch ( GetWindowVariant() )
	171	{
	172	case wxWINDOW_VARIANT_NORMAL :
	173	case wxWINDOW_VARIANT_LARGE :
	174	return 24 ;
	175
	176	default :
	177	return 21 ;
	178	}
	179	}
	180
	181	protected:
	182	void OnChoice( wxCommandEvent& e )
	183	{
	184	wxString s = e.GetString();
	185
	186	m_cb->DelegateChoice( s );
	187	wxCommandEvent event2(wxEVT_COMMAND_COMBOBOX_SELECTED, m_cb->GetId() );
	188	event2.SetInt(m_cb->GetSelection());
	189	event2.SetEventObject(m_cb);
	190	event2.SetString(m_cb->GetStringSelection());
	191	m_cb->ProcessCommand(event2);
	192
	193	// For consistency with MSW and GTK, also send a text updated event
	194	// After all, the text is updated when a selection is made
	195	wxCommandEvent TextEvent( wxEVT_COMMAND_TEXT_UPDATED, m_cb->GetId() );
	196	TextEvent.SetString( m_cb->GetStringSelection() );
	197	TextEvent.SetEventObject( m_cb );
	198	m_cb->ProcessCommand( TextEvent );
	199	}
	200
	201	virtual wxSize DoGetBestSize() const
	202	{
	203	wxSize sz = wxChoice::DoGetBestSize() ;
	204	if (! m_cb->HasFlag(wxCB_READONLY) )
	205	sz.x = GetPopupWidth() ;
	206
	207	return sz ;
	208	}
	209
	210	private:
	211	wxComboBox *m_cb;
	212
	213	DECLARE_EVENT_TABLE()
	214	};
	215
	216	BEGIN_EVENT_TABLE(wxComboBoxChoice, wxChoice)
	217	EVT_CHOICE(-1, wxComboBoxChoice::OnChoice)
	218	END_EVENT_TABLE()
	219
	220	wxComboBox::~wxComboBox()
	221	{
	222	// delete client objects
	223	FreeData();
	224
	225	// delete the controls now, don't leave them alive even though they would
	226	// still be eventually deleted by our parent - but it will be too late, the
	227	// user code expects them to be gone now
	228	if (m_text != NULL)
	229	{
	230	delete m_text;
	231	m_text = NULL;
	232	}
	233
	234	if (m_choice != NULL)
	235	{
	236	delete m_choice;
	237	m_choice = NULL;
	238	}
	239	}
	240
	241	// ----------------------------------------------------------------------------
	242	// geometry
	243	// ----------------------------------------------------------------------------
	244
	245	wxSize wxComboBox::DoGetBestSize() const
	246	{
	247	if (!m_choice && !m_text)
	248	return GetSize();
	249
	250	wxSize size = m_choice->GetBestSize();
	251
	252	if ( m_text != NULL )
	253	{
	254	wxSize sizeText = m_text->GetBestSize();
	255	if (sizeText.y > size.y)
	256	size.y = sizeText.y;
	257
	258	size.x = m_choice->GetPopupWidth() + sizeText.x + MARGIN;
	259	size.x += TEXTFOCUSBORDER ;
	260	size.y += 2 * TEXTFOCUSBORDER ;
	261	}
	262	else
	263	{
	264	// clipping is too tight
	265	size.y += 1 ;
	266	}
	267
	268	return size;
	269	}
	270
	271	void wxComboBox::DoMoveWindow(int x, int y, int width, int height)
	272	{
	273	wxControl::DoMoveWindow( x, y, width , height );
	274
	275	if ( m_text == NULL )
	276	{
	277	// we might not be fully constructed yet, therefore watch out...
	278	if ( m_choice )
	279	m_choice->SetSize(0, 0 , width, -1);
	280	}
	281	else
	282	{
	283	wxCoord wText = width - m_choice->GetPopupWidth() - MARGIN;
	284	m_text->SetSize(TEXTFOCUSBORDER, TEXTFOCUSBORDER, wText, -1);
	285
	286	// put it at an inset of 1 to have outer area shadows drawn as well
	287	m_choice->SetSize(TEXTFOCUSBORDER + wText + MARGIN - 1 , TEXTFOCUSBORDER, m_choice->GetPopupWidth() , -1);
	288	}
	289	}
	290
	291	// ----------------------------------------------------------------------------
	292	// operations forwarded to the subcontrols
	293	// ----------------------------------------------------------------------------
	294
	295	bool wxComboBox::Enable(bool enable)
	296	{
	297	if ( !wxControl::Enable(enable) )
	298	return false;
	299
	300	if (m_text)
	301	m_text->Enable(enable);
	302
	303	return true;
	304	}
	305
	306	bool wxComboBox::Show(bool show)
	307	{
	308	if ( !wxControl::Show(show) )
	309	return false;
	310
	311	return true;
	312	}
	313
	314	void wxComboBox::SetFocus()
	315	{
	316	if ( m_text != NULL)
	317	m_text->SetFocus();
	318	}
	319
	320	void wxComboBox::DelegateTextChanged( const wxString& value )
	321	{
	322	SetStringSelection( value );
	323	}
	324
	325	void wxComboBox::DelegateChoice( const wxString& value )
	326	{
	327	SetStringSelection( value );
	328	}
	329
	330	bool wxComboBox::Create(wxWindow *parent,
	331	wxWindowID id,
	332	const wxString& value,
	333	const wxPoint& pos,
	334	const wxSize& size,
	335	const wxArrayString& choices,
	336	long style,
	337	const wxValidator& validator,
	338	const wxString& name)
	339	{
	340	wxCArrayString chs( choices );
	341
	342	return Create( parent, id, value, pos, size, chs.GetCount(),
	343	chs.GetStrings(), style, validator, name );
	344	}
	345
	346	bool wxComboBox::Create(wxWindow *parent,
	347	wxWindowID id,
	348	const wxString& value,
	349	const wxPoint& pos,
	350	const wxSize& size,
	351	int n,
	352	const wxString choices[],
	353	long style,
	354	const wxValidator& validator,
	355	const wxString& name)
	356	{
	357	if ( !wxControl::Create(parent, id, wxDefaultPosition, wxDefaultSize, style ,
	358	validator, name) )
	359	{
	360	return false;
	361	}
	362
	363	m_choice = new wxComboBoxChoice(this, style );
	364	wxSize csize = size;
	365	if ( style & wxCB_READONLY )
	366	{
	367	m_text = NULL;
	368	}
	369	else
	370	{
	371	m_text = new wxComboBoxText(this);
	372	if ( size.y == -1 )
	373	{
	374	csize.y = m_text->GetSize().y ;
	375	csize.y += 2 * TEXTFOCUSBORDER ;
	376	}
	377	}
	378
	379	DoSetSize(pos.x, pos.y, csize.x, csize.y);
	380
	381	for ( int i = 0 ; i < n ; i++ )
	382	{
	383	m_choice->DoAppend( choices[ i ] );
	384	}
	385
	386	// Needed because it is a wxControlWithItems
	387	SetBestSize(size);
	388	SetStringSelection(value);
	389
	390	return true;
	391	}
	392
	393	wxString wxComboBox::GetValue() const
	394	{
	395	wxString result;
	396
	397	if ( m_text == NULL )
	398	result = m_choice->GetString( m_choice->GetSelection() );
	399	else
	400	result = m_text->GetValue();
	401
	402	return result;
	403	}
	404
	405	int wxComboBox::GetCount() const
	406	{
	407	return m_choice->GetCount() ;
	408	}
	409
	410	void wxComboBox::SetValue(const wxString& value)
	411	{
	412	if ( HasFlag(wxCB_READONLY) )
	413	SetStringSelection( value ) ;
	414	else
	415	m_text->SetValue( value );
	416	}
	417
	418	// Clipboard operations
	419
	420	void wxComboBox::Copy()
	421	{
	422	if ( m_text != NULL )
	423	m_text->Copy();
	424	}
	425
	426	void wxComboBox::Cut()
	427	{
	428	if ( m_text != NULL )
	429	m_text->Cut();
	430	}
	431
	432	void wxComboBox::Paste()
	433	{
	434	if ( m_text != NULL )
	435	m_text->Paste();
	436	}
	437
	438	void wxComboBox::SetEditable(bool editable)
	439	{
	440	if ( ( m_text == NULL ) && editable )
	441	{
	442	m_text = new wxComboBoxText( this );
	443	}
	444	else if ( ( m_text != NULL ) && !editable )
	445	{
	446	delete m_text;
	447	m_text = NULL;
	448	}
	449
	450	int currentX, currentY;
	451	GetPosition( &currentX, &currentY );
	452
	453	int currentW, currentH;
	454	GetSize( &currentW, &currentH );
	455
	456	DoMoveWindow( currentX, currentY, currentW, currentH );
	457	}
	458
	459	void wxComboBox::SetInsertionPoint(long pos)
	460	{
	461	// TODO
	462	}
	463
	464	void wxComboBox::SetInsertionPointEnd()
	465	{
	466	// TODO
	467	}
	468
	469	long wxComboBox::GetInsertionPoint() const
	470	{
	471	// TODO
	472	return 0;
	473	}
	474
	475	wxTextPos wxComboBox::GetLastPosition() const
	476	{
	477	// TODO
	478	return 0;
	479	}
	480
	481	void wxComboBox::Replace(long from, long to, const wxString& value)
	482	{
	483	// TODO
	484	}
	485
	486	void wxComboBox::Remove(long from, long to)
	487	{
	488	// TODO
	489	}
	490
	491	void wxComboBox::SetSelection(long from, long to)
	492	{
	493	// TODO
	494	}
	495
	496	int wxComboBox::DoAppend(const wxString& item)
	497	{
	498	return m_choice->DoAppend( item ) ;
	499	}
	500
	501	int wxComboBox::DoInsert(const wxString& item, int pos)
	502	{
	503	return m_choice->DoInsert( item , pos ) ;
	504	}
	505
	506	void wxComboBox::DoSetItemClientData(int n, void* clientData)
	507	{
	508	return m_choice->DoSetItemClientData( n , clientData ) ;
	509	}
	510
	511	void* wxComboBox::DoGetItemClientData(int n) const
	512	{
	513	return m_choice->DoGetItemClientData( n ) ;
	514	}
	515
	516	void wxComboBox::DoSetItemClientObject(int n, wxClientData* clientData)
	517	{
	518	return m_choice->DoSetItemClientObject( n , clientData ) ;
	519	}
	520
	521	wxClientData* wxComboBox::DoGetItemClientObject(int n) const
	522	{
	523	return m_choice->DoGetItemClientObject( n ) ;
	524	}
	525
	526	void wxComboBox::FreeData()
	527	{
	528	if ( HasClientObjectData() )
	529	{
	530	size_t count = GetCount();
	531	for ( size_t n = 0; n < count; n++ )
	532	{
	533	SetClientObject( n, NULL );
	534	}
	535	}
	536	}
	537
	538	void wxComboBox::Delete(int n)
	539	{
	540	// force client object deletion
	541	if( HasClientObjectData() )
	542	SetClientObject( n, NULL );
	543	m_choice->Delete( n );
	544	}
	545
	546	void wxComboBox::Clear()
	547	{
	548	FreeData();
	549	m_choice->Clear();
	550	}
	551
	552	int wxComboBox::GetSelection() const
	553	{
	554	return m_choice->GetSelection();
	555	}
	556
	557	void wxComboBox::SetSelection(int n)
	558	{
	559	m_choice->SetSelection( n );
	560
	561	if ( m_text != NULL )
	562	m_text->SetValue( GetString( n ) );
	563	}
	564
	565	int wxComboBox::FindString(const wxString& s, bool bCase) const
	566	{
	567	return m_choice->FindString( s, bCase );
	568	}
	569
	570	wxString wxComboBox::GetString(int n) const
	571	{
	572	return m_choice->GetString( n );
	573	}
	574
	575	wxString wxComboBox::GetStringSelection() const
	576	{
	577	int sel = GetSelection();
	578	if (sel > -1)
	579	return wxString(this->GetString (sel));
	580	else
	581	return wxEmptyString;
	582	}
	583
	584	void wxComboBox::SetString(int n, const wxString& s)
	585	{
	586	m_choice->SetString( n , s ) ;
	587	}
	588
	589	bool wxComboBox::IsEditable() const
	590	{
	591	return m_text != NULL && !HasFlag(wxCB_READONLY);
	592	}
	593
	594	void wxComboBox::Undo()
	595	{
	596	if (m_text != NULL)
	597	m_text->Undo();
	598	}
	599
	600	void wxComboBox::Redo()
	601	{
	602	if (m_text != NULL)
	603	m_text->Redo();
	604	}
	605
	606	void wxComboBox::SelectAll()
	607	{
	608	if (m_text != NULL)
	609	m_text->SelectAll();
	610	}
	611
	612	bool wxComboBox::CanCopy() const
	613	{
	614	if (m_text != NULL)
	615	return m_text->CanCopy();
	616	else
	617	return false;
	618	}
	619
	620	bool wxComboBox::CanCut() const
	621	{
	622	if (m_text != NULL)
	623	return m_text->CanCut();
	624	else
	625	return false;
	626	}
	627
	628	bool wxComboBox::CanPaste() const
	629	{
	630	if (m_text != NULL)
	631	return m_text->CanPaste();
	632	else
	633	return false;
	634	}
	635
	636	bool wxComboBox::CanUndo() const
	637	{
	638	if (m_text != NULL)
	639	return m_text->CanUndo();
	640	else
	641	return false;
	642	}
	643
	644	bool wxComboBox::CanRedo() const
	645	{
	646	if (m_text != NULL)
	647	return m_text->CanRedo();
	648	else
	649	return false;
	650	}
	651
	652	wxInt32 wxComboBox::MacControlHit( WXEVENTHANDLERREF WXUNUSED(handler) , WXEVENTREF WXUNUSED(event) )
	653	{
	654	/*
	655	For consistency with other platforms, clicking in the text area does not constitute a selection
	656	wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, m_windowId );
	657	event.SetInt(GetSelection());
	658	event.SetEventObject(this);
	659	event.SetString(GetStringSelection());
	660	ProcessCommand(event);
	661	*/
	662
	663	return noErr ;
	664	}
	665
	666	#endif