src/mac/carbon/radiobox.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        src/mac/carbon/radiobox.cpp
// Purpose:     wxRadioBox
// Author:      Stefan Csomor
// Modified by: JS Lair (99/11/15) first implementation
// Created:     1998-01-01
// RCS-ID:      $Id$
// Copyright:   (c) Stefan Csomor
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#include "wx/wxprec.h"

#if wxUSE_RADIOBOX

#include "wx/radiobox.h"

#ifndef WX_PRECOMP
    #include "wx/radiobut.h"
    #include "wx/arrstr.h"
#endif

#include "wx/mac/uma.h"

IMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl)


BEGIN_EVENT_TABLE(wxRadioBox, wxControl)
    EVT_RADIOBUTTON( wxID_ANY , wxRadioBox::OnRadioButton )
END_EVENT_TABLE()


void wxRadioBox::OnRadioButton( wxCommandEvent &outer )
{
    if ( outer.IsChecked() )
    {
        wxCommandEvent event( wxEVT_COMMAND_RADIOBOX_SELECTED, m_windowId );
        int i = GetSelection() ;
        event.SetInt(i);
        event.SetString(GetString(i));
        event.SetEventObject( this );
        ProcessCommand(event);
    }
}

wxRadioBox::wxRadioBox()
{
    m_noItems = 0;
    m_noRowsOrCols = 0;
    m_radioButtonCycle = NULL;
}

wxRadioBox::~wxRadioBox()
{
    m_isBeingDeleted = true;

    wxRadioButton *next, *current;

    current = m_radioButtonCycle->NextInCycle();
    if (current != NULL)
    {
        while (current != m_radioButtonCycle)
        {
            next = current->NextInCycle();
            delete current;

            current = next;
        }

        delete current;
    }
}

// Create the radiobox for two-step construction

bool wxRadioBox::Create( wxWindow *parent,
    wxWindowID id, const wxString& label,
    const wxPoint& pos, const wxSize& size,
    const wxArrayString& choices,
    int majorDim, long style,
    const wxValidator& val, const wxString& name )
{
    wxCArrayString chs(choices);

    return Create(
        parent, id, label, pos, size, chs.GetCount(),
        chs.GetStrings(), majorDim, style, val, name);
}

bool wxRadioBox::Create( wxWindow *parent,
    wxWindowID id, const wxString& label,
    const wxPoint& pos, const wxSize& size,
    int n, const wxString choices[],
    int majorDim, long style,
    const wxValidator& val, const wxString& name )
{
    m_macIsUserPane = false ;

    if ( !wxControl::Create( parent, id, pos, size, style, val, name ) )
        return false;

    int i;

    m_noItems = (unsigned int)n;
    m_noRowsOrCols = majorDim;
    m_radioButtonCycle = NULL;

    SetMajorDim( majorDim == 0 ? n : majorDim, style );

    m_labelOrig = m_label = label;

    Rect bounds = wxMacGetBoundsForControl( this, pos, size );
    if ( bounds.right <= bounds.left )
        bounds.right = bounds.left + 100;
    if ( bounds.bottom <= bounds.top )
        bounds.bottom = bounds.top + 100;

    m_peer = new wxMacControl( this );

    OSStatus err = CreateGroupBoxControl(
        MAC_WXHWND(parent->MacGetTopLevelWindowRef()),
        &bounds, CFSTR("") , true /*primary*/,
        m_peer->GetControlRefAddr() );
    verify_noerr( err );

    for (i = 0; i < n; i++)
    {
        wxRadioButton *radBtn = new wxRadioButton(
            this,
            wxID_ANY,
            GetLabelText(choices[i]),
            wxPoint( 5, 20 * i + 10 ),
            wxDefaultSize,
            i == 0 ? wxRB_GROUP : 0 );

        if ( i == 0 )
            m_radioButtonCycle = radBtn;
//        m_radioButtonCycle = radBtn->AddInCycle( m_radioButtonCycle );
    }

    SetSelection( 0 );
    MacPostControlCreate( pos, size );

    return true;
}

// Enables or disables the entire radiobox
//
bool wxRadioBox::Enable(bool enable)
{
    wxRadioButton *current;

    if (!wxControl::Enable( enable ))
        return false;

    current = m_radioButtonCycle;
    for (unsigned int i = 0; i < m_noItems; i++)
    {
        current->Enable( enable );
        current = current->NextInCycle();
    }

    return true;
}

// Enables or disables an given button
//
bool wxRadioBox::Enable(unsigned int item, bool enable)
{
    if (!IsValid( item ))
        return false;

    unsigned int i = 0;
    wxRadioButton *current = m_radioButtonCycle;
    while (i != item)
    {
        i++;
        current = current->NextInCycle();
    }

    return current->Enable( enable );
}

// Returns the radiobox label
//
wxString wxRadioBox::GetLabel() const
{
    return wxControl::GetLabel();
}

// Returns the label for the given button
//
wxString wxRadioBox::GetString(unsigned int item) const
{
    wxRadioButton *current;

    if (!IsValid( item ))
        return wxEmptyString;

    unsigned int i = 0;
    current = m_radioButtonCycle;
    while (i != item)
    {
        i++;
        current = current->NextInCycle();
    }

    return current->GetLabel();
}

// Returns the zero-based position of the selected button
//
int wxRadioBox::GetSelection() const
{
    int i;
    wxRadioButton *current;

    i = 0;
    current = m_radioButtonCycle;
    while (!current->GetValue())
    {
        i++;
        current = current->NextInCycle();
    }

    return i;
}

// Sets the radiobox label
//
void wxRadioBox::SetLabel(const wxString& label)
{
    return wxControl::SetLabel( label );
}

// Sets the label of a given button
//
void wxRadioBox::SetString(unsigned int item,const wxString& label)
{
    if (!IsValid( item ))
        return;

    unsigned int i = 0;
    wxRadioButton *current = m_radioButtonCycle;
    while (i != item)
    {
        i++;
        current = current->NextInCycle();
    }

    return current->SetLabel( label );
}

// Sets a button by passing the desired position. This does not cause
// wxEVT_COMMAND_RADIOBOX_SELECTED event to get emitted
//
void wxRadioBox::SetSelection(int item)
{
    int i;
    wxRadioButton *current;

    if (!IsValid( item ))
        return;

    i = 0;
    current = m_radioButtonCycle;
    while (i != item)
    {
        i++;
        current = current->NextInCycle();
    }

    current->SetValue( true );
}

// Shows or hides the entire radiobox
//
bool wxRadioBox::Show(bool show)
{
    wxRadioButton *current;

    current = m_radioButtonCycle;
    for (unsigned int i=0; i<m_noItems; i++)
    {
        current->Show( show );
        current = current->NextInCycle();
    }

    wxControl::Show( show );

    return true;
}

// Shows or hides the given button
//
bool wxRadioBox::Show(unsigned int item, bool show)
{
    if (!IsValid( item ))
        return false;

    unsigned int i = 0;
    wxRadioButton *current = m_radioButtonCycle;
    while (i != item)
    {
        i++;
        current = current->NextInCycle();
    }

    return current->Show( show );
}

// Simulates the effect of the user issuing a command to the item
//
void wxRadioBox::Command( wxCommandEvent& event )
{
    SetSelection( event.GetInt() );
    ProcessCommand( event );
}

// Sets the selected button to receive keyboard input
//
void wxRadioBox::SetFocus()
{
    wxRadioButton *current;

    current = m_radioButtonCycle;
    while (!current->GetValue())
    {
        current = current->NextInCycle();
    }

    current->SetFocus();
}

// Simulates the effect of the user issuing a command to the item
//
#define RADIO_SIZE 20

void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
{
    int i;
    wxRadioButton *current;

    // define the position

    int x_current, y_current;
    int x_offset, y_offset;
    int widthOld, heightOld;

    GetSize( &widthOld, &heightOld );
    GetPosition( &x_current, &y_current );

    x_offset = x;
    y_offset = y;
    if (!(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
    {
        if (x == wxDefaultCoord)
            x_offset = x_current;
        if (y == wxDefaultCoord)
            y_offset = y_current;
    }

    // define size
    int charWidth, charHeight;
    int maxWidth, maxHeight;
    int eachWidth[128], eachHeight[128];
    int totWidth, totHeight;

    GetTextExtent(
        wxT("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"),
        &charWidth, &charHeight );

    charWidth /= 52;

    maxWidth = -1;
    maxHeight = -1;
    for (unsigned int i = 0 ; i < m_noItems; i++)
    {
        GetTextExtent(GetString(i), &eachWidth[i], &eachHeight[i] );
        eachWidth[i] = (int)(eachWidth[i] + RADIO_SIZE);
        eachHeight[i] = (int)((3 * eachHeight[i]) / 2);

        if (maxWidth < eachWidth[i])
            maxWidth = eachWidth[i];
        if (maxHeight < eachHeight[i])
            maxHeight = eachHeight[i];
    }

    totHeight = GetRowCount() * maxHeight;
    totWidth  = GetColumnCount() * (maxWidth + charWidth);

    wxSize sz = DoGetSizeFromClientSize( wxSize( totWidth, totHeight ) ) ;

    // change the width / height only when specified
    if ( width == wxDefaultCoord )
    {
        if ( sizeFlags & wxSIZE_AUTO_WIDTH )
            width = sz.x;
        else
            width = widthOld;
    }

    if ( height == wxDefaultCoord )
    {
        if ( sizeFlags & wxSIZE_AUTO_HEIGHT )
            height = sz.y;
        else
            height = heightOld;
    }

    wxControl::DoSetSize( x_offset, y_offset, width, height, wxSIZE_AUTO );

    // arrange radio buttons
    int x_start, y_start;

    x_start = 0;
    y_start = 0;

    x_offset = x_start;
    y_offset = y_start;

    current = m_radioButtonCycle;
    for (i = 0 ; i < (int)m_noItems; i++)
    {
        // not to do for the zero button!
        if ((i > 0) && ((i % GetMajorDim()) == 0))
        {
            if (m_windowStyle & wxRA_SPECIFY_ROWS)
            {
                x_offset += maxWidth + charWidth;
                y_offset = y_start;
            }
            else
            {
                x_offset = x_start;
                y_offset += maxHeight ; //+ charHeight / 2
            }
        }

        current->SetSize( x_offset, y_offset, eachWidth[i], eachHeight[i]);
        current = current->NextInCycle();

        if (m_windowStyle & wxRA_SPECIFY_ROWS)
            y_offset += maxHeight ; // + charHeight / 2
        else
            x_offset += maxWidth + charWidth;
    }
}

wxSize wxRadioBox::DoGetBestSize() const
{
    int charWidth, charHeight;
    int maxWidth, maxHeight;
    int eachWidth, eachHeight;
    int totWidth, totHeight;

    wxFont font = GetFont(); // GetParent()->GetFont()
    GetTextExtent(
        wxT("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"),
        &charWidth, &charHeight, NULL, NULL, &font );

    charWidth /= 52;

    maxWidth = -1;
    maxHeight = -1;

    for (unsigned int i = 0 ; i < m_noItems; i++)
    {
        GetTextExtent(GetString(i), &eachWidth, &eachHeight, NULL, NULL, &font );
        eachWidth  = (int)(eachWidth + RADIO_SIZE);
        eachHeight = (int)((3 * eachHeight) / 2);
        if (maxWidth < eachWidth)
            maxWidth = eachWidth;
        if (maxHeight < eachHeight)
            maxHeight = eachHeight;
    }

    totHeight = GetRowCount() * maxHeight;
    totWidth  = GetColumnCount() * (maxWidth + charWidth);

    wxSize sz = DoGetSizeFromClientSize( wxSize( totWidth, totHeight ) );
    totWidth = sz.x;
    totHeight = sz.y;

    // handle radio box title as well
    GetTextExtent( GetLabel(), &eachWidth, NULL );
    eachWidth  = (int)(eachWidth + RADIO_SIZE) +  3 * charWidth;
    if (totWidth < eachWidth)
        totWidth = eachWidth;

    return wxSize( totWidth, totHeight );
}

#endif // wxUSE_RADIOBOX
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: src/mac/carbon/radiobox.cpp
	3	// Purpose: wxRadioBox
	4	// Author: Stefan Csomor
	5	// Modified by: JS Lair (99/11/15) first implementation
	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_RADIOBOX
	15
	16	#include "wx/radiobox.h"
	17
	18	#ifndef WX_PRECOMP
	19	#include "wx/radiobut.h"
	20	#include "wx/arrstr.h"
	21	#endif
	22
	23	#include "wx/mac/uma.h"
	24
	25	IMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl)
	26
	27
	28	BEGIN_EVENT_TABLE(wxRadioBox, wxControl)
	29	EVT_RADIOBUTTON( wxID_ANY , wxRadioBox::OnRadioButton )
	30	END_EVENT_TABLE()
	31
	32
	33	void wxRadioBox::OnRadioButton( wxCommandEvent &outer )
	34	{
	35	if ( outer.IsChecked() )
	36	{
	37	wxCommandEvent event( wxEVT_COMMAND_RADIOBOX_SELECTED, m_windowId );
	38	int i = GetSelection() ;
	39	event.SetInt(i);
	40	event.SetString(GetString(i));
	41	event.SetEventObject( this );
	42	ProcessCommand(event);
	43	}
	44	}
	45
	46	wxRadioBox::wxRadioBox()
	47	{
	48	m_noItems = 0;
	49	m_noRowsOrCols = 0;
	50	m_radioButtonCycle = NULL;
	51	}
	52
	53	wxRadioBox::~wxRadioBox()
	54	{
	55	m_isBeingDeleted = true;
	56
	57	wxRadioButton next, current;
	58
	59	current = m_radioButtonCycle->NextInCycle();
	60	if (current != NULL)
	61	{
	62	while (current != m_radioButtonCycle)
	63	{
	64	next = current->NextInCycle();
	65	delete current;
	66
	67	current = next;
	68	}
	69
	70	delete current;
	71	}
	72	}
	73
	74	// Create the radiobox for two-step construction
	75
	76	bool wxRadioBox::Create( wxWindow *parent,
	77	wxWindowID id, const wxString& label,
	78	const wxPoint& pos, const wxSize& size,
	79	const wxArrayString& choices,
	80	int majorDim, long style,
	81	const wxValidator& val, const wxString& name )
	82	{
	83	wxCArrayString chs(choices);
	84
	85	return Create(
	86	parent, id, label, pos, size, chs.GetCount(),
	87	chs.GetStrings(), majorDim, style, val, name);
	88	}
	89
	90	bool wxRadioBox::Create( wxWindow *parent,
	91	wxWindowID id, const wxString& label,
	92	const wxPoint& pos, const wxSize& size,
	93	int n, const wxString choices[],
	94	int majorDim, long style,
	95	const wxValidator& val, const wxString& name )
	96	{
	97	m_macIsUserPane = false ;
	98
	99	if ( !wxControl::Create( parent, id, pos, size, style, val, name ) )
	100	return false;
	101
	102	int i;
	103
	104	m_noItems = (unsigned int)n;
	105	m_noRowsOrCols = majorDim;
	106	m_radioButtonCycle = NULL;
	107
	108	SetMajorDim( majorDim == 0 ? n : majorDim, style );
	109
	110	m_labelOrig = m_label = label;
	111
	112	Rect bounds = wxMacGetBoundsForControl( this, pos, size );
	113	if ( bounds.right <= bounds.left )
	114	bounds.right = bounds.left + 100;
	115	if ( bounds.bottom <= bounds.top )
	116	bounds.bottom = bounds.top + 100;
	117
	118	m_peer = new wxMacControl( this );
	119
	120	OSStatus err = CreateGroupBoxControl(
	121	MAC_WXHWND(parent->MacGetTopLevelWindowRef()),
	122	&bounds, CFSTR("") , true /primary/,
	123	m_peer->GetControlRefAddr() );
	124	verify_noerr( err );
	125
	126	for (i = 0; i < n; i++)
	127	{
	128	wxRadioButton *radBtn = new wxRadioButton(
	129	this,
	130	wxID_ANY,
	131	GetLabelText(choices[i]),
	132	wxPoint( 5, 20 * i + 10 ),
	133	wxDefaultSize,
	134	i == 0 ? wxRB_GROUP : 0 );
	135
	136	if ( i == 0 )
	137	m_radioButtonCycle = radBtn;
	138	// m_radioButtonCycle = radBtn->AddInCycle( m_radioButtonCycle );
	139	}
	140
	141	SetSelection( 0 );
	142	MacPostControlCreate( pos, size );
	143
	144	return true;
	145	}
	146
	147	// Enables or disables the entire radiobox
	148	//
	149	bool wxRadioBox::Enable(bool enable)
	150	{
	151	wxRadioButton *current;
	152
	153	if (!wxControl::Enable( enable ))
	154	return false;
	155
	156	current = m_radioButtonCycle;
	157	for (unsigned int i = 0; i < m_noItems; i++)
	158	{
	159	current->Enable( enable );
	160	current = current->NextInCycle();
	161	}
	162
	163	return true;
	164	}
	165
	166	// Enables or disables an given button
	167	//
	168	bool wxRadioBox::Enable(unsigned int item, bool enable)
	169	{
	170	if (!IsValid( item ))
	171	return false;
	172
	173	unsigned int i = 0;
	174	wxRadioButton *current = m_radioButtonCycle;
	175	while (i != item)
	176	{
	177	i++;
	178	current = current->NextInCycle();
	179	}
	180
	181	return current->Enable( enable );
	182	}
	183
	184	// Returns the radiobox label
	185	//
	186	wxString wxRadioBox::GetLabel() const
	187	{
	188	return wxControl::GetLabel();
	189	}
	190
	191	// Returns the label for the given button
	192	//
	193	wxString wxRadioBox::GetString(unsigned int item) const
	194	{
	195	wxRadioButton *current;
	196
	197	if (!IsValid( item ))
	198	return wxEmptyString;
	199
	200	unsigned int i = 0;
	201	current = m_radioButtonCycle;
	202	while (i != item)
	203	{
	204	i++;
	205	current = current->NextInCycle();
	206	}
	207
	208	return current->GetLabel();
	209	}
	210
	211	// Returns the zero-based position of the selected button
	212	//
	213	int wxRadioBox::GetSelection() const
	214	{
	215	int i;
	216	wxRadioButton *current;
	217
	218	i = 0;
	219	current = m_radioButtonCycle;
	220	while (!current->GetValue())
	221	{
	222	i++;
	223	current = current->NextInCycle();
	224	}
	225
	226	return i;
	227	}
	228
	229	// Sets the radiobox label
	230	//
	231	void wxRadioBox::SetLabel(const wxString& label)
	232	{
	233	return wxControl::SetLabel( label );
	234	}
	235
	236	// Sets the label of a given button
	237	//
	238	void wxRadioBox::SetString(unsigned int item,const wxString& label)
	239	{
	240	if (!IsValid( item ))
	241	return;
	242
	243	unsigned int i = 0;
	244	wxRadioButton *current = m_radioButtonCycle;
	245	while (i != item)
	246	{
	247	i++;
	248	current = current->NextInCycle();
	249	}
	250
	251	return current->SetLabel( label );
	252	}
	253
	254	// Sets a button by passing the desired position. This does not cause
	255	// wxEVT_COMMAND_RADIOBOX_SELECTED event to get emitted
	256	//
	257	void wxRadioBox::SetSelection(int item)
	258	{
	259	int i;
	260	wxRadioButton *current;
	261
	262	if (!IsValid( item ))
	263	return;
	264
	265	i = 0;
	266	current = m_radioButtonCycle;
	267	while (i != item)
	268	{
	269	i++;
	270	current = current->NextInCycle();
	271	}
	272
	273	current->SetValue( true );
	274	}
	275
	276	// Shows or hides the entire radiobox
	277	//
	278	bool wxRadioBox::Show(bool show)
	279	{
	280	wxRadioButton *current;
	281
	282	current = m_radioButtonCycle;
	283	for (unsigned int i=0; i<m_noItems; i++)
	284	{
	285	current->Show( show );
	286	current = current->NextInCycle();
	287	}
	288
	289	wxControl::Show( show );
	290
	291	return true;
	292	}
	293
	294	// Shows or hides the given button
	295	//
	296	bool wxRadioBox::Show(unsigned int item, bool show)
	297	{
	298	if (!IsValid( item ))
	299	return false;
	300
	301	unsigned int i = 0;
	302	wxRadioButton *current = m_radioButtonCycle;
	303	while (i != item)
	304	{
	305	i++;
	306	current = current->NextInCycle();
	307	}
	308
	309	return current->Show( show );
	310	}
	311
	312	// Simulates the effect of the user issuing a command to the item
	313	//
	314	void wxRadioBox::Command( wxCommandEvent& event )
	315	{
	316	SetSelection( event.GetInt() );
	317	ProcessCommand( event );
	318	}
	319
	320	// Sets the selected button to receive keyboard input
	321	//
	322	void wxRadioBox::SetFocus()
	323	{
	324	wxRadioButton *current;
	325
	326	current = m_radioButtonCycle;
	327	while (!current->GetValue())
	328	{
	329	current = current->NextInCycle();
	330	}
	331
	332	current->SetFocus();
	333	}
	334
	335	// Simulates the effect of the user issuing a command to the item
	336	//
	337	#define RADIO_SIZE 20
	338
	339	void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
	340	{
	341	int i;
	342	wxRadioButton *current;
	343
	344	// define the position
	345
	346	int x_current, y_current;
	347	int x_offset, y_offset;
	348	int widthOld, heightOld;
	349
	350	GetSize( &widthOld, &heightOld );
	351	GetPosition( &x_current, &y_current );
	352
	353	x_offset = x;
	354	y_offset = y;
	355	if (!(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
	356	{
	357	if (x == wxDefaultCoord)
	358	x_offset = x_current;
	359	if (y == wxDefaultCoord)
	360	y_offset = y_current;
	361	}
	362
	363	// define size
	364	int charWidth, charHeight;
	365	int maxWidth, maxHeight;
	366	int eachWidth[128], eachHeight[128];
	367	int totWidth, totHeight;
	368
	369	GetTextExtent(
	370	wxT("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"),
	371	&charWidth, &charHeight );
	372
	373	charWidth /= 52;
	374
	375	maxWidth = -1;
	376	maxHeight = -1;
	377	for (unsigned int i = 0 ; i < m_noItems; i++)
	378	{
	379	GetTextExtent(GetString(i), &eachWidth[i], &eachHeight[i] );
	380	eachWidth[i] = (int)(eachWidth[i] + RADIO_SIZE);
	381	eachHeight[i] = (int)((3 * eachHeight[i]) / 2);
	382
	383	if (maxWidth < eachWidth[i])
	384	maxWidth = eachWidth[i];
	385	if (maxHeight < eachHeight[i])
	386	maxHeight = eachHeight[i];
	387	}
	388
	389	totHeight = GetRowCount() * maxHeight;
	390	totWidth = GetColumnCount() * (maxWidth + charWidth);
	391
	392	wxSize sz = DoGetSizeFromClientSize( wxSize( totWidth, totHeight ) ) ;
	393
	394	// change the width / height only when specified
	395	if ( width == wxDefaultCoord )
	396	{
	397	if ( sizeFlags & wxSIZE_AUTO_WIDTH )
	398	width = sz.x;
	399	else
	400	width = widthOld;
	401	}
	402
	403	if ( height == wxDefaultCoord )
	404	{
	405	if ( sizeFlags & wxSIZE_AUTO_HEIGHT )
	406	height = sz.y;
	407	else
	408	height = heightOld;
	409	}
	410
	411	wxControl::DoSetSize( x_offset, y_offset, width, height, wxSIZE_AUTO );
	412
	413	// arrange radio buttons
	414	int x_start, y_start;
	415
	416	x_start = 0;
	417	y_start = 0;
	418
	419	x_offset = x_start;
	420	y_offset = y_start;
	421
	422	current = m_radioButtonCycle;
	423	for (i = 0 ; i < (int)m_noItems; i++)
	424	{
	425	// not to do for the zero button!
	426	if ((i > 0) && ((i % GetMajorDim()) == 0))
	427	{
	428	if (m_windowStyle & wxRA_SPECIFY_ROWS)
	429	{
	430	x_offset += maxWidth + charWidth;
	431	y_offset = y_start;
	432	}
	433	else
	434	{
	435	x_offset = x_start;
	436	y_offset += maxHeight ; //+ charHeight / 2
	437	}
	438	}
	439
	440	current->SetSize( x_offset, y_offset, eachWidth[i], eachHeight[i]);
	441	current = current->NextInCycle();
	442
	443	if (m_windowStyle & wxRA_SPECIFY_ROWS)
	444	y_offset += maxHeight ; // + charHeight / 2
	445	else
	446	x_offset += maxWidth + charWidth;
	447	}
	448	}
	449
	450	wxSize wxRadioBox::DoGetBestSize() const
	451	{
	452	int charWidth, charHeight;
	453	int maxWidth, maxHeight;
	454	int eachWidth, eachHeight;
	455	int totWidth, totHeight;
	456
	457	wxFont font = GetFont(); // GetParent()->GetFont()
	458	GetTextExtent(
	459	wxT("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"),
	460	&charWidth, &charHeight, NULL, NULL, &font );
	461
	462	charWidth /= 52;
	463
	464	maxWidth = -1;
	465	maxHeight = -1;
	466
	467	for (unsigned int i = 0 ; i < m_noItems; i++)
	468	{
	469	GetTextExtent(GetString(i), &eachWidth, &eachHeight, NULL, NULL, &font );
	470	eachWidth = (int)(eachWidth + RADIO_SIZE);
	471	eachHeight = (int)((3 * eachHeight) / 2);
	472	if (maxWidth < eachWidth)
	473	maxWidth = eachWidth;
	474	if (maxHeight < eachHeight)
	475	maxHeight = eachHeight;
	476	}
	477
	478	totHeight = GetRowCount() * maxHeight;
	479	totWidth = GetColumnCount() * (maxWidth + charWidth);
	480
	481	wxSize sz = DoGetSizeFromClientSize( wxSize( totWidth, totHeight ) );
	482	totWidth = sz.x;
	483	totHeight = sz.y;
	484
	485	// handle radio box title as well
	486	GetTextExtent( GetLabel(), &eachWidth, NULL );
	487	eachWidth = (int)(eachWidth + RADIO_SIZE) + 3 * charWidth;
	488	if (totWidth < eachWidth)
	489	totWidth = eachWidth;
	490
	491	return wxSize( totWidth, totHeight );
	492	}
	493
	494	#endif // wxUSE_RADIOBOX