src/mac/carbon/combobox.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        src/mac/carbon/combobox.cpp
// Purpose:     wxComboBox class
// Author:      Stefan Csomor
// 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)

// 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, 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
	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	// composite combobox implementation by Dan "Bud" Keith bud@otsys.com
	24
	25
	26	static int nextPopUpMenuId = 1000 ;
	27	MenuHandle NewUniqueMenu()
	28	{
	29	MenuHandle handle = NewMenu( nextPopUpMenuId , "\pMenu" ) ;
	30	nextPopUpMenuId++ ;
	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, such
	97	// as the clicking the default button.
	98
	99	if (!m_cb->GetEventHandler()->ProcessEvent( event ))
	100	{
	101	wxWindow *parent = GetParent();
	102	while( parent && !parent->IsTopLevel() && parent->GetDefaultItem() == NULL ) {
	103	parent = parent->GetParent() ;
	104	}
	105	if ( parent && parent->GetDefaultItem() )
	106	{
	107	wxButton *def = wxDynamicCast(parent->GetDefaultItem(),
	108	wxButton);
	109	if ( def && def->IsEnabled() )
	110	{
	111	wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, def->GetId() );
	112	event.SetEventObject(def);
	113	def->Command(event);
	114	}
	115	}
	116
	117	return;
	118	}
	119	}
	120
	121	event.Skip();
	122	}
	123
	124	void OnKeyUp( wxKeyEvent& event )
	125	{
	126	event.SetEventObject(m_cb);
	127	event.SetId(m_cb->GetId());
	128	if (! m_cb->GetEventHandler()->ProcessEvent(event))
	129	event.Skip();
	130	}
	131
	132	void OnKeyDown( wxKeyEvent& event )
	133	{
	134	event.SetEventObject(m_cb);
	135	event.SetId(m_cb->GetId());
	136	if (! m_cb->GetEventHandler()->ProcessEvent(event))
	137	event.Skip();
	138	}
	139
	140	void OnText( wxCommandEvent& event )
	141	{
	142	event.SetEventObject(m_cb);
	143	event.SetId(m_cb->GetId());
	144	if (! m_cb->GetEventHandler()->ProcessEvent(event))
	145	event.Skip();
	146	}
	147
	148	private:
	149	wxComboBox *m_cb;
	150
	151	DECLARE_EVENT_TABLE()
	152	};
	153
	154	BEGIN_EVENT_TABLE(wxComboBoxText, wxTextCtrl)
	155	EVT_KEY_DOWN( wxComboBoxText::OnKeyDown)
	156	EVT_CHAR( wxComboBoxText::OnChar)
	157	EVT_KEY_UP( wxComboBoxText::OnKeyUp)
	158	EVT_TEXT( -1, wxComboBoxText::OnText)
	159	END_EVENT_TABLE()
	160
	161	class wxComboBoxChoice : public wxChoice
	162	{
	163	public:
	164	wxComboBoxChoice(wxComboBox *cb, int style)
	165	: wxChoice( cb , 1 , wxDefaultPosition , wxDefaultSize , 0 , NULL , style & (wxCB_SORT) )
	166	{
	167	m_cb = cb;
	168	}
	169	int GetPopupWidth() const
	170	{
	171	switch ( GetWindowVariant() )
	172	{
	173	case wxWINDOW_VARIANT_NORMAL :
	174	case wxWINDOW_VARIANT_LARGE :
	175	return 24 ;
	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	virtual wxSize DoGetBestSize() const
	201	{
	202	wxSize sz = wxChoice::DoGetBestSize() ;
	203	if (! m_cb->HasFlag(wxCB_READONLY) )
	204	sz.x = GetPopupWidth() ;
	205	return sz ;
	206	}
	207
	208	private:
	209	wxComboBox *m_cb;
	210
	211	DECLARE_EVENT_TABLE()
	212	};
	213
	214	BEGIN_EVENT_TABLE(wxComboBoxChoice, wxChoice)
	215	EVT_CHOICE(-1, wxComboBoxChoice::OnChoice)
	216	END_EVENT_TABLE()
	217
	218	wxComboBox::~wxComboBox()
	219	{
	220	// delete client objects
	221	FreeData();
	222
	223	// delete the controls now, don't leave them alive even though they would
	224	// still be eventually deleted by our parent - but it will be too late, the
	225	// user code expects them to be gone now
	226	if (m_text != NULL) {
	227	delete m_text;
	228	m_text = NULL;
	229	}
	230	if (m_choice != NULL) {
	231	delete m_choice;
	232	m_choice = NULL;
	233	}
	234	}
	235
	236
	237	// ----------------------------------------------------------------------------
	238	// geometry
	239	// ----------------------------------------------------------------------------
	240
	241	wxSize wxComboBox::DoGetBestSize() const
	242	{
	243	if (!m_choice && !m_text)
	244	return GetSize();
	245	wxSize size = m_choice->GetBestSize();
	246
	247	if ( m_text != NULL )
	248	{
	249	wxSize sizeText = m_text->GetBestSize();
	250	if (sizeText.y > size.y)
	251	size.y = sizeText.y;
	252	size.x = m_choice->GetPopupWidth() + sizeText.x + MARGIN;
	253	size.x += TEXTFOCUSBORDER ;
	254	size.y += 2 * TEXTFOCUSBORDER ;
	255	}
	256	else
	257	{
	258	// clipping is too tight
	259	size.y += 1 ;
	260	}
	261	return size;
	262	}
	263
	264	void wxComboBox::DoMoveWindow(int x, int y, int width, int height)
	265	{
	266	wxControl::DoMoveWindow(x, y, width , height );
	267
	268	if ( m_text == NULL )
	269	{
	270	// we might not be fully constructed yet, therefore watch out...
	271	if ( m_choice )
	272	m_choice->SetSize(0, 0 , width, -1);
	273	}
	274	else
	275	{
	276	wxCoord wText = width - m_choice->GetPopupWidth() - MARGIN;
	277	m_text->SetSize(TEXTFOCUSBORDER, TEXTFOCUSBORDER, wText, -1 );
	278	// put it at an inset of 1 to have outer area shadows drawn as well
	279	m_choice->SetSize(TEXTFOCUSBORDER + wText + MARGIN - 1 , TEXTFOCUSBORDER, m_choice->GetPopupWidth() , -1);
	280	}
	281	}
	282
	283
	284
	285	// ----------------------------------------------------------------------------
	286	// operations forwarded to the subcontrols
	287	// ----------------------------------------------------------------------------
	288
	289	bool wxComboBox::Enable(bool enable)
	290	{
	291	if ( !wxControl::Enable(enable) )
	292	return false;
	293
	294	if (m_text)
	295	m_text->Enable(enable);
	296
	297	return true;
	298	}
	299
	300	bool wxComboBox::Show(bool show)
	301	{
	302	if ( !wxControl::Show(show) )
	303	return false;
	304
	305	return true;
	306	}
	307
	308	void wxComboBox::SetFocus()
	309	{
	310	if ( m_text != NULL) {
	311	m_text->SetFocus();
	312	}
	313	}
	314
	315
	316	void wxComboBox::DelegateTextChanged( const wxString& value )
	317	{
	318	SetStringSelection( value );
	319	}
	320
	321
	322	void wxComboBox::DelegateChoice( const wxString& value )
	323	{
	324	SetStringSelection( value );
	325	}
	326
	327
	328	bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
	329	const wxString& value,
	330	const wxPoint& pos,
	331	const wxSize& size,
	332	const wxArrayString& choices,
	333	long style,
	334	const wxValidator& validator,
	335	const wxString& name)
	336	{
	337	wxCArrayString chs( choices );
	338
	339	return Create( parent, id, value, pos, size, chs.GetCount(),
	340	chs.GetStrings(), style, validator, name );
	341	}
	342
	343
	344	bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
	345	const wxString& value,
	346	const wxPoint& pos,
	347	const wxSize& size,
	348	int n, const wxString choices[],
	349	long style,
	350	const wxValidator& validator,
	351	const wxString& name)
	352	{
	353	if ( !wxControl::Create(parent, id, wxDefaultPosition, wxDefaultSize, style ,
	354	validator, name) )
	355	{
	356	return false;
	357	}
	358
	359	m_choice = new wxComboBoxChoice(this, style );
	360	wxSize csize = size;
	361	if ( style & wxCB_READONLY )
	362	{
	363	m_text = NULL;
	364	}
	365	else
	366	{
	367	m_text = new wxComboBoxText(this);
	368	if ( size.y == -1 )
	369	{
	370	csize.y = m_text->GetSize().y ;
	371	csize.y += 2 * TEXTFOCUSBORDER ;
	372	}
	373	}
	374
	375	DoSetSize(pos.x, pos.y, csize.x, csize.y);
	376
	377	for ( int i = 0 ; i < n ; i++ )
	378	{
	379	m_choice->DoAppend( choices[ i ] );
	380	}
	381
	382	SetBestSize(size); // Needed because it is a wxControlWithItems
	383	SetStringSelection(value);
	384
	385	return true;
	386	}
	387
	388	wxString wxComboBox::GetValue() const
	389	{
	390	wxString result;
	391
	392	if ( m_text == NULL )
	393	{
	394	result = m_choice->GetString( m_choice->GetSelection() );
	395	}
	396	else
	397	{
	398	result = m_text->GetValue();
	399	}
	400
	401	return result;
	402	}
	403
	404	int wxComboBox::GetCount() const
	405	{
	406	return m_choice->GetCount() ;
	407	}
	408
	409	void wxComboBox::SetValue(const wxString& value)
	410	{
	411	if ( HasFlag(wxCB_READONLY) )
	412	SetStringSelection( value ) ;
	413	else
	414	m_text->SetValue( value );
	415	}
	416
	417	// Clipboard operations
	418	void wxComboBox::Copy()
	419	{
	420	if ( m_text != NULL )
	421	{
	422	m_text->Copy();
	423	}
	424	}
	425
	426	void wxComboBox::Cut()
	427	{
	428	if ( m_text != NULL )
	429	{
	430	m_text->Cut();
	431	}
	432	}
	433
	434	void wxComboBox::Paste()
	435	{
	436	if ( m_text != NULL )
	437	{
	438	m_text->Paste();
	439	}
	440	}
	441
	442	void wxComboBox::SetEditable(bool editable)
	443	{
	444	if ( ( m_text == NULL ) && editable )
	445	{
	446	m_text = new wxComboBoxText( this );
	447	}
	448	else if ( ( m_text != NULL ) && !editable )
	449	{
	450	delete m_text;
	451	m_text = NULL;
	452	}
	453
	454	int currentX, currentY;
	455	GetPosition( &currentX, &currentY );
	456
	457	int currentW, currentH;
	458	GetSize( &currentW, &currentH );
	459
	460	DoMoveWindow( currentX, currentY, currentW, currentH );
	461	}
	462
	463	void wxComboBox::SetInsertionPoint(long pos)
	464	{
	465	// TODO
	466	}
	467
	468	void wxComboBox::SetInsertionPointEnd()
	469	{
	470	// TODO
	471	}
	472
	473	long wxComboBox::GetInsertionPoint() const
	474	{
	475	// TODO
	476	return 0;
	477	}
	478
	479	wxTextPos wxComboBox::GetLastPosition() const
	480	{
	481	// TODO
	482	return 0;
	483	}
	484
	485	void wxComboBox::Replace(long from, long to, const wxString& value)
	486	{
	487	// TODO
	488	}
	489
	490	void wxComboBox::Remove(long from, long to)
	491	{
	492	// TODO
	493	}
	494
	495	void wxComboBox::SetSelection(long from, long to)
	496	{
	497	// TODO
	498	}
	499
	500	int wxComboBox::DoAppend(const wxString& item)
	501	{
	502	return m_choice->DoAppend( item ) ;
	503	}
	504
	505	int wxComboBox::DoInsert(const wxString& item, int pos)
	506	{
	507	return m_choice->DoInsert( item , pos ) ;
	508	}
	509
	510	void wxComboBox::DoSetItemClientData(int n, void* clientData)
	511	{
	512	return m_choice->DoSetItemClientData( n , clientData ) ;
	513	}
	514
	515	void* wxComboBox::DoGetItemClientData(int n) const
	516	{
	517	return m_choice->DoGetItemClientData( n ) ;
	518	}
	519
	520	void wxComboBox::DoSetItemClientObject(int n, wxClientData* clientData)
	521	{
	522	return m_choice->DoSetItemClientObject( n , clientData ) ;
	523	}
	524
	525	wxClientData* wxComboBox::DoGetItemClientObject(int n) const
	526	{
	527	return m_choice->DoGetItemClientObject( n ) ;
	528	}
	529
	530	void wxComboBox::FreeData()
	531	{
	532	if ( HasClientObjectData() )
	533	{
	534	size_t count = GetCount();
	535	for ( size_t n = 0; n < count; n++ )
	536	{
	537	SetClientObject( n, NULL );
	538	}
	539	}
	540	}
	541
	542	void wxComboBox::Delete(int n)
	543	{
	544	// force client object deletion
	545	if( HasClientObjectData() )
	546	SetClientObject( n, NULL );
	547	m_choice->Delete( n );
	548	}
	549
	550	void wxComboBox::Clear()
	551	{
	552	FreeData();
	553	m_choice->Clear();
	554	}
	555
	556	int wxComboBox::GetSelection() const
	557	{
	558	return m_choice->GetSelection();
	559	}
	560
	561	void wxComboBox::SetSelection(int n)
	562	{
	563	m_choice->SetSelection( n );
	564
	565	if ( m_text != NULL )
	566	{
	567	m_text->SetValue( GetString( n ) );
	568	}
	569	}
	570
	571	int wxComboBox::FindString(const wxString& s, bool bCase) const
	572	{
	573	return m_choice->FindString( s, bCase );
	574	}
	575
	576	wxString wxComboBox::GetString(int n) const
	577	{
	578	return m_choice->GetString( n );
	579	}
	580
	581	wxString wxComboBox::GetStringSelection() const
	582	{
	583	int sel = GetSelection ();
	584	if (sel > -1)
	585	return wxString(this->GetString (sel));
	586	else
	587	return wxEmptyString;
	588	}
	589
	590	void wxComboBox::SetString(int n, const wxString& s)
	591	{
	592	m_choice->SetString( n , s ) ;
	593	}
	594
	595	bool wxComboBox::IsEditable() const
	596	{
	597	return m_text != NULL && !HasFlag(wxCB_READONLY);
	598	}
	599
	600	void wxComboBox::Undo()
	601	{
	602	if (m_text != NULL)
	603	m_text->Undo();
	604	}
	605
	606	void wxComboBox::Redo()
	607	{
	608	if (m_text != NULL)
	609	m_text->Redo();
	610	}
	611
	612	void wxComboBox::SelectAll()
	613	{
	614	if (m_text != NULL)
	615	m_text->SelectAll();
	616	}
	617
	618	bool wxComboBox::CanCopy() const
	619	{
	620	if (m_text != NULL)
	621	return m_text->CanCopy();
	622	else
	623	return false;
	624	}
	625
	626	bool wxComboBox::CanCut() const
	627	{
	628	if (m_text != NULL)
	629	return m_text->CanCut();
	630	else
	631	return false;
	632	}
	633
	634	bool wxComboBox::CanPaste() const
	635	{
	636	if (m_text != NULL)
	637	return m_text->CanPaste();
	638	else
	639	return false;
	640	}
	641
	642	bool wxComboBox::CanUndo() const
	643	{
	644	if (m_text != NULL)
	645	return m_text->CanUndo();
	646	else
	647	return false;
	648	}
	649
	650	bool wxComboBox::CanRedo() const
	651	{
	652	if (m_text != NULL)
	653	return m_text->CanRedo();
	654	else
	655	return false;
	656	}
	657
	658	wxInt32 wxComboBox::MacControlHit(WXEVENTHANDLERREF WXUNUSED(handler) , WXEVENTREF WXUNUSED(event) )
	659	{
	660	/* For consistency with other platforms, clicking in the text area does not constitute a selection
	661	wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, m_windowId );
	662	event.SetInt(GetSelection());
	663	event.SetEventObject(this);
	664	event.SetString(GetStringSelection());
	665	ProcessCommand(event);*/
	666	return noErr ;
	667	}
	668
	669	#endif