src/mac/carbon/combobox.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        combobox.cpp
// Purpose:     wxComboBox class
// Author:      Stefan Csomor
// Modified by:
// Created:     1998-01-01
// RCS-ID:      $Id$
// Copyright:   (c) Stefan Csomor
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "combobox.h"
#endif

#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)

// composite combobox implementation by Dan "Bud" Keith bud@otsys.com


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 ] );
    }

    SetBestSize(size);   // Needed because it is a wxControlWithItems
    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) const
{
    return m_choice->FindString( s );
}

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: combobox.cpp
	3	// Purpose: wxComboBox class
	4	// Author: Stefan Csomor
	5	// Modified by:
	6	// Created: 1998-01-01
	7	// RCS-ID: $Id$
	8	// Copyright: (c) Stefan Csomor
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
	13	#pragma implementation "combobox.h"
	14	#endif
	15
	16	#include "wx/wxprec.h"
	17
	18	#if wxUSE_COMBOBOX
	19
	20	#include "wx/combobox.h"
	21	#include "wx/button.h"
	22	#include "wx/menu.h"
	23	#include "wx/mac/uma.h"
	24
	25	IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl)
	26
	27	// composite combobox implementation by Dan "Bud" Keith bud@otsys.com
	28
	29
	30	static int nextPopUpMenuId = 1000 ;
	31	MenuHandle NewUniqueMenu()
	32	{
	33	MenuHandle handle = NewMenu( nextPopUpMenuId , "\pMenu" ) ;
	34	nextPopUpMenuId++ ;
	35	return handle ;
	36	}
	37
	38
	39	// ----------------------------------------------------------------------------
	40	// constants
	41	// ----------------------------------------------------------------------------
	42
	43	// the margin between the text control and the choice
	44	#if TARGET_API_MAC_OSX
	45	// margin should be bigger on OS X due to blue highlight
	46	// around text control.
	47	static const wxCoord MARGIN = 4;
	48	// this is the border a focus rect on OSX is needing
	49	static const int TEXTFOCUSBORDER = 3 ;
	50	#else
	51	static const wxCoord MARGIN = 2;
	52	static const int TEXTFOCUSBORDER = 0 ;
	53	#endif
	54	static const int POPUPHEIGHT = 23;
	55
	56
	57	// ----------------------------------------------------------------------------
	58	// wxComboBoxText: text control forwards events to combobox
	59	// ----------------------------------------------------------------------------
	60
	61	class wxComboBoxText : public wxTextCtrl
	62	{
	63	public:
	64	wxComboBoxText( wxComboBox * cb )
	65	: wxTextCtrl( cb , 1 )
	66	{
	67	m_cb = cb;
	68	}
	69
	70	protected:
	71	void OnChar( wxKeyEvent& event )
	72	{
	73	// Allows processing the tab key to go to the next control
	74	if (event.GetKeyCode() == WXK_TAB)
	75	{
	76	wxNavigationKeyEvent NavEvent;
	77	NavEvent.SetEventObject(this);
	78	NavEvent.SetDirection(true);
	79	NavEvent.SetWindowChange(false);
	80
	81	// Get the parent of the combo and have it process the navigation?
	82	if (m_cb->GetParent()->GetEventHandler()->ProcessEvent(NavEvent))
	83	return;
	84	}
	85
	86	// send the event to the combobox class in case the user has bound EVT_CHAR
	87	wxKeyEvent kevt(event);
	88	kevt.SetEventObject(m_cb);
	89	if (m_cb->GetEventHandler()->ProcessEvent(kevt))
	90	// If the event was handled and not skipped then we're done
	91	return;
	92
	93	if ( event.GetKeyCode() == WXK_RETURN )
	94	{
	95	wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_cb->GetId());
	96	event.SetString( GetValue() );
	97	event.SetInt( m_cb->GetSelection() );
	98	event.SetEventObject( m_cb );
	99
	100	// This will invoke the dialog default action, such
	101	// as the clicking the default button.
	102
	103	if (!m_cb->GetEventHandler()->ProcessEvent( event ))
	104	{
	105	wxWindow *parent = GetParent();
	106	while( parent && !parent->IsTopLevel() && parent->GetDefaultItem() == NULL ) {
	107	parent = parent->GetParent() ;
	108	}
	109	if ( parent && parent->GetDefaultItem() )
	110	{
	111	wxButton *def = wxDynamicCast(parent->GetDefaultItem(),
	112	wxButton);
	113	if ( def && def->IsEnabled() )
	114	{
	115	wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, def->GetId() );
	116	event.SetEventObject(def);
	117	def->Command(event);
	118	}
	119	}
	120
	121	return;
	122	}
	123	}
	124
	125	event.Skip();
	126	}
	127
	128	void OnKeyUp( wxKeyEvent& event )
	129	{
	130	event.SetEventObject(m_cb);
	131	event.SetId(m_cb->GetId());
	132	if (! m_cb->GetEventHandler()->ProcessEvent(event))
	133	event.Skip();
	134	}
	135
	136	void OnKeyDown( wxKeyEvent& event )
	137	{
	138	event.SetEventObject(m_cb);
	139	event.SetId(m_cb->GetId());
	140	if (! m_cb->GetEventHandler()->ProcessEvent(event))
	141	event.Skip();
	142	}
	143
	144	void OnText( wxCommandEvent& event )
	145	{
	146	event.SetEventObject(m_cb);
	147	event.SetId(m_cb->GetId());
	148	if (! m_cb->GetEventHandler()->ProcessEvent(event))
	149	event.Skip();
	150	}
	151
	152	private:
	153	wxComboBox *m_cb;
	154
	155	DECLARE_EVENT_TABLE()
	156	};
	157
	158	BEGIN_EVENT_TABLE(wxComboBoxText, wxTextCtrl)
	159	EVT_KEY_DOWN( wxComboBoxText::OnKeyDown)
	160	EVT_CHAR( wxComboBoxText::OnChar)
	161	EVT_KEY_UP( wxComboBoxText::OnKeyUp)
	162	EVT_TEXT( -1, wxComboBoxText::OnText)
	163	END_EVENT_TABLE()
	164
	165	class wxComboBoxChoice : public wxChoice
	166	{
	167	public:
	168	wxComboBoxChoice(wxComboBox *cb, int style)
	169	: wxChoice( cb , 1 , wxDefaultPosition , wxDefaultSize , 0 , NULL , style & (wxCB_SORT) )
	170	{
	171	m_cb = cb;
	172	}
	173	int GetPopupWidth() const
	174	{
	175	switch ( GetWindowVariant() )
	176	{
	177	case wxWINDOW_VARIANT_NORMAL :
	178	case wxWINDOW_VARIANT_LARGE :
	179	return 24 ;
	180	default :
	181	return 21 ;
	182	}
	183	}
	184
	185	protected:
	186	void OnChoice( wxCommandEvent& e )
	187	{
	188	wxString s = e.GetString();
	189
	190	m_cb->DelegateChoice( s );
	191	wxCommandEvent event2(wxEVT_COMMAND_COMBOBOX_SELECTED, m_cb->GetId() );
	192	event2.SetInt(m_cb->GetSelection());
	193	event2.SetEventObject(m_cb);
	194	event2.SetString(m_cb->GetStringSelection());
	195	m_cb->ProcessCommand(event2);
	196
	197	// For consistency with MSW and GTK, also send a text updated event
	198	// After all, the text is updated when a selection is made
	199	wxCommandEvent TextEvent( wxEVT_COMMAND_TEXT_UPDATED, m_cb->GetId() );
	200	TextEvent.SetString( m_cb->GetStringSelection() );
	201	TextEvent.SetEventObject( m_cb );
	202	m_cb->ProcessCommand( TextEvent );
	203	}
	204	virtual wxSize DoGetBestSize() const
	205	{
	206	wxSize sz = wxChoice::DoGetBestSize() ;
	207	if (! m_cb->HasFlag(wxCB_READONLY) )
	208	sz.x = GetPopupWidth() ;
	209	return sz ;
	210	}
	211
	212	private:
	213	wxComboBox *m_cb;
	214
	215	DECLARE_EVENT_TABLE()
	216	};
	217
	218	BEGIN_EVENT_TABLE(wxComboBoxChoice, wxChoice)
	219	EVT_CHOICE(-1, wxComboBoxChoice::OnChoice)
	220	END_EVENT_TABLE()
	221
	222	wxComboBox::~wxComboBox()
	223	{
	224	// delete client objects
	225	FreeData();
	226
	227	// delete the controls now, don't leave them alive even though they would
	228	// still be eventually deleted by our parent - but it will be too late, the
	229	// user code expects them to be gone now
	230	if (m_text != NULL) {
	231	delete m_text;
	232	m_text = NULL;
	233	}
	234	if (m_choice != NULL) {
	235	delete m_choice;
	236	m_choice = NULL;
	237	}
	238	}
	239
	240
	241	// ----------------------------------------------------------------------------
	242	// geometry
	243	// ----------------------------------------------------------------------------
	244
	245	wxSize wxComboBox::DoGetBestSize() const
	246	{
	247	if (!m_choice && !m_text)
	248	return GetSize();
	249	wxSize size = m_choice->GetBestSize();
	250
	251	if ( m_text != NULL )
	252	{
	253	wxSize sizeText = m_text->GetBestSize();
	254	if (sizeText.y > size.y)
	255	size.y = sizeText.y;
	256	size.x = m_choice->GetPopupWidth() + sizeText.x + MARGIN;
	257	size.x += TEXTFOCUSBORDER ;
	258	size.y += 2 * TEXTFOCUSBORDER ;
	259	}
	260	else
	261	{
	262	// clipping is too tight
	263	size.y += 1 ;
	264	}
	265	return size;
	266	}
	267
	268	void wxComboBox::DoMoveWindow(int x, int y, int width, int height)
	269	{
	270	wxControl::DoMoveWindow(x, y, width , height );
	271
	272	if ( m_text == NULL )
	273	{
	274	// we might not be fully constructed yet, therefore watch out...
	275	if ( m_choice )
	276	m_choice->SetSize(0, 0 , width, -1);
	277	}
	278	else
	279	{
	280	wxCoord wText = width - m_choice->GetPopupWidth() - MARGIN;
	281	m_text->SetSize(TEXTFOCUSBORDER, TEXTFOCUSBORDER, wText, -1 );
	282	// put it at an inset of 1 to have outer area shadows drawn as well
	283	m_choice->SetSize(TEXTFOCUSBORDER + wText + MARGIN - 1 , TEXTFOCUSBORDER, m_choice->GetPopupWidth() , -1);
	284	}
	285	}
	286
	287
	288
	289	// ----------------------------------------------------------------------------
	290	// operations forwarded to the subcontrols
	291	// ----------------------------------------------------------------------------
	292
	293	bool wxComboBox::Enable(bool enable)
	294	{
	295	if ( !wxControl::Enable(enable) )
	296	return false;
	297
	298	if (m_text)
	299	m_text->Enable(enable);
	300
	301	return true;
	302	}
	303
	304	bool wxComboBox::Show(bool show)
	305	{
	306	if ( !wxControl::Show(show) )
	307	return false;
	308
	309	return true;
	310	}
	311
	312	void wxComboBox::SetFocus()
	313	{
	314	if ( m_text != NULL) {
	315	m_text->SetFocus();
	316	}
	317	}
	318
	319
	320	void wxComboBox::DelegateTextChanged( const wxString& value )
	321	{
	322	SetStringSelection( value );
	323	}
	324
	325
	326	void wxComboBox::DelegateChoice( const wxString& value )
	327	{
	328	SetStringSelection( value );
	329	}
	330
	331
	332	bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
	333	const wxString& value,
	334	const wxPoint& pos,
	335	const wxSize& size,
	336	const wxArrayString& choices,
	337	long style,
	338	const wxValidator& validator,
	339	const wxString& name)
	340	{
	341	wxCArrayString chs( choices );
	342
	343	return Create( parent, id, value, pos, size, chs.GetCount(),
	344	chs.GetStrings(), style, validator, name );
	345	}
	346
	347
	348	bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
	349	const wxString& value,
	350	const wxPoint& pos,
	351	const wxSize& size,
	352	int n, 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	SetBestSize(size); // Needed because it is a wxControlWithItems
	387	SetStringSelection(value);
	388
	389	return true;
	390	}
	391
	392	wxString wxComboBox::GetValue() const
	393	{
	394	wxString result;
	395
	396	if ( m_text == NULL )
	397	{
	398	result = m_choice->GetString( m_choice->GetSelection() );
	399	}
	400	else
	401	{
	402	result = m_text->GetValue();
	403	}
	404
	405	return result;
	406	}
	407
	408	int wxComboBox::GetCount() const
	409	{
	410	return m_choice->GetCount() ;
	411	}
	412
	413	void wxComboBox::SetValue(const wxString& value)
	414	{
	415	if ( HasFlag(wxCB_READONLY) )
	416	SetStringSelection( value ) ;
	417	else
	418	m_text->SetValue( value );
	419	}
	420
	421	// Clipboard operations
	422	void wxComboBox::Copy()
	423	{
	424	if ( m_text != NULL )
	425	{
	426	m_text->Copy();
	427	}
	428	}
	429
	430	void wxComboBox::Cut()
	431	{
	432	if ( m_text != NULL )
	433	{
	434	m_text->Cut();
	435	}
	436	}
	437
	438	void wxComboBox::Paste()
	439	{
	440	if ( m_text != NULL )
	441	{
	442	m_text->Paste();
	443	}
	444	}
	445
	446	void wxComboBox::SetEditable(bool editable)
	447	{
	448	if ( ( m_text == NULL ) && editable )
	449	{
	450	m_text = new wxComboBoxText( this );
	451	}
	452	else if ( ( m_text != NULL ) && !editable )
	453	{
	454	delete m_text;
	455	m_text = NULL;
	456	}
	457
	458	int currentX, currentY;
	459	GetPosition( &currentX, &currentY );
	460
	461	int currentW, currentH;
	462	GetSize( &currentW, &currentH );
	463
	464	DoMoveWindow( currentX, currentY, currentW, currentH );
	465	}
	466
	467	void wxComboBox::SetInsertionPoint(long pos)
	468	{
	469	// TODO
	470	}
	471
	472	void wxComboBox::SetInsertionPointEnd()
	473	{
	474	// TODO
	475	}
	476
	477	long wxComboBox::GetInsertionPoint() const
	478	{
	479	// TODO
	480	return 0;
	481	}
	482
	483	wxTextPos wxComboBox::GetLastPosition() const
	484	{
	485	// TODO
	486	return 0;
	487	}
	488
	489	void wxComboBox::Replace(long from, long to, const wxString& value)
	490	{
	491	// TODO
	492	}
	493
	494	void wxComboBox::Remove(long from, long to)
	495	{
	496	// TODO
	497	}
	498
	499	void wxComboBox::SetSelection(long from, long to)
	500	{
	501	// TODO
	502	}
	503
	504	int wxComboBox::DoAppend(const wxString& item)
	505	{
	506	return m_choice->DoAppend( item ) ;
	507	}
	508
	509	int wxComboBox::DoInsert(const wxString& item, int pos)
	510	{
	511	return m_choice->DoInsert( item , pos ) ;
	512	}
	513
	514	void wxComboBox::DoSetItemClientData(int n, void* clientData)
	515	{
	516	return m_choice->DoSetItemClientData( n , clientData ) ;
	517	}
	518
	519	void* wxComboBox::DoGetItemClientData(int n) const
	520	{
	521	return m_choice->DoGetItemClientData( n ) ;
	522	}
	523
	524	void wxComboBox::DoSetItemClientObject(int n, wxClientData* clientData)
	525	{
	526	return m_choice->DoSetItemClientObject( n , clientData ) ;
	527	}
	528
	529	wxClientData* wxComboBox::DoGetItemClientObject(int n) const
	530	{
	531	return m_choice->DoGetItemClientObject( n ) ;
	532	}
	533
	534	void wxComboBox::FreeData()
	535	{
	536	if ( HasClientObjectData() )
	537	{
	538	size_t count = GetCount();
	539	for ( size_t n = 0; n < count; n++ )
	540	{
	541	SetClientObject( n, NULL );
	542	}
	543	}
	544	}
	545
	546	void wxComboBox::Delete(int n)
	547	{
	548	// force client object deletion
	549	if( HasClientObjectData() )
	550	SetClientObject( n, NULL );
	551	m_choice->Delete( n );
	552	}
	553
	554	void wxComboBox::Clear()
	555	{
	556	FreeData();
	557	m_choice->Clear();
	558	}
	559
	560	int wxComboBox::GetSelection() const
	561	{
	562	return m_choice->GetSelection();
	563	}
	564
	565	void wxComboBox::SetSelection(int n)
	566	{
	567	m_choice->SetSelection( n );
	568
	569	if ( m_text != NULL )
	570	{
	571	m_text->SetValue( GetString( n ) );
	572	}
	573	}
	574
	575	int wxComboBox::FindString(const wxString& s) const
	576	{
	577	return m_choice->FindString( s );
	578	}
	579
	580	wxString wxComboBox::GetString(int n) const
	581	{
	582	return m_choice->GetString( n );
	583	}
	584
	585	wxString wxComboBox::GetStringSelection() const
	586	{
	587	int sel = GetSelection ();
	588	if (sel > -1)
	589	return wxString(this->GetString (sel));
	590	else
	591	return wxEmptyString;
	592	}
	593
	594	void wxComboBox::SetString(int n, const wxString& s)
	595	{
	596	m_choice->SetString( n , s ) ;
	597	}
	598
	599	bool wxComboBox::IsEditable() const
	600	{
	601	return m_text != NULL && !HasFlag(wxCB_READONLY);
	602	}
	603
	604	void wxComboBox::Undo()
	605	{
	606	if (m_text != NULL)
	607	m_text->Undo();
	608	}
	609
	610	void wxComboBox::Redo()
	611	{
	612	if (m_text != NULL)
	613	m_text->Redo();
	614	}
	615
	616	void wxComboBox::SelectAll()
	617	{
	618	if (m_text != NULL)
	619	m_text->SelectAll();
	620	}
	621
	622	bool wxComboBox::CanCopy() const
	623	{
	624	if (m_text != NULL)
	625	return m_text->CanCopy();
	626	else
	627	return false;
	628	}
	629
	630	bool wxComboBox::CanCut() const
	631	{
	632	if (m_text != NULL)
	633	return m_text->CanCut();
	634	else
	635	return false;
	636	}
	637
	638	bool wxComboBox::CanPaste() const
	639	{
	640	if (m_text != NULL)
	641	return m_text->CanPaste();
	642	else
	643	return false;
	644	}
	645
	646	bool wxComboBox::CanUndo() const
	647	{
	648	if (m_text != NULL)
	649	return m_text->CanUndo();
	650	else
	651	return false;
	652	}
	653
	654	bool wxComboBox::CanRedo() const
	655	{
	656	if (m_text != NULL)
	657	return m_text->CanRedo();
	658	else
	659	return false;
	660	}
	661
	662	wxInt32 wxComboBox::MacControlHit(WXEVENTHANDLERREF WXUNUSED(handler) , WXEVENTREF WXUNUSED(event) )
	663	{
	664	/* For consistency with other platforms, clicking in the text area does not constitute a selection
	665	wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, m_windowId );
	666	event.SetInt(GetSelection());
	667	event.SetEventObject(this);
	668	event.SetString(GetStringSelection());
	669	ProcessCommand(event);*/
	670	return noErr ;
	671	}
	672
	673	#endif