src/osx/radiobox_osx.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        src/osx/radiobox_osx.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/osx/private.h"

// regarding layout: note that there are differences in inter-control
// spacing between InterfaceBuild and the Human Interface Guidelines, we stick
// to the latter, as those are also used eg in the System Preferences Dialogs

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_RADIOBOX, 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()
{
    SendDestroyEvent();

    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 )
{
    DontCreatePeer();

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

    // during construction we must keep this at 0, otherwise GetBestSize fails
    m_noItems = 0;
    m_noRowsOrCols = majorDim;
    m_radioButtonCycle = NULL;

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

    m_labelOrig = m_label = label;

    SetPeer(wxWidgetImpl::CreateGroupBox( this, parent, id, label, pos, size, style, GetExtraStyle() ));

    for (int 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 );
    }

    // as all radiobuttons have been set-up, set the correct dimensions
    m_noItems = (unsigned int)n;
    SetMajorDim( majorDim == 0 ? n : majorDim, style );

    SetSelection( 0 );
    InvalidateBestSize();
    SetInitialSize( size );
    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 );
}

bool wxRadioBox::IsItemEnabled(unsigned int item) const
{
    if (!IsValid( item ))
        return false;

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

    return current->IsEnabled();
}

// 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_RADIOBOX 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 );
}

bool wxRadioBox::IsItemShown(unsigned int item) const
{
    if (!IsValid( item ))
        return false;

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

    return current->IsShown();
}


// 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
//
#if wxOSX_USE_CARBON
    #define RADIO_SIZE 20
#else
    // Cocoa has an additional border are of about 3 pixels
    #define RADIO_SIZE 23
#endif

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;
    wxSize bestSizeRadio ;
    if ( m_radioButtonCycle )
        bestSizeRadio = m_radioButtonCycle->GetBestSize();

    for (unsigned int i = 0 ; i < m_noItems; i++)
    {
        GetTextExtent(GetString(i), &eachWidth[i], &eachHeight[i] );
        eachWidth[i] = eachWidth[i] + RADIO_SIZE;
        eachHeight[i] = wxMax( eachHeight[i], bestSizeRadio.y );

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

    // according to HIG (official space - 3 Pixels Diff between Frame and Layout size)
    int space = 3;
    if ( GetWindowVariant() == wxWINDOW_VARIANT_MINI )
        space = 2;

    totHeight = GetRowCount() * maxHeight + (GetRowCount() - 1) * space;
    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 = ( width - sz.x ) / 2;
    y_start = ( height - sz.y ) / 2;

    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 + space;
            }
        }

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

        if (m_windowStyle & wxRA_SPECIFY_ROWS)
            y_offset += maxHeight + space;
        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;

    wxSize bestSizeRadio ;
    if ( m_radioButtonCycle )
        bestSizeRadio = m_radioButtonCycle->GetBestSize();

    for (unsigned int i = 0 ; i < m_noItems; i++)
    {
        GetTextExtent(GetString(i), &eachWidth, &eachHeight, NULL, NULL, &font );
        eachWidth  = (eachWidth + RADIO_SIZE);
        eachHeight = wxMax(eachHeight, bestSizeRadio.y );
        if (maxWidth < eachWidth)
            maxWidth = eachWidth;
        if (maxHeight < eachHeight)
            maxHeight = eachHeight;
    }

    // according to HIG (official space - 3 Pixels Diff between Frame and Layout size)
    int space = 3;
    if ( GetWindowVariant() == wxWINDOW_VARIANT_MINI )
        space = 2;

    totHeight = GetRowCount() * maxHeight + (GetRowCount() - 1) * space;
    totWidth  = GetColumnCount() * (maxWidth + charWidth);

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

    // optimum size is an additional 5 pt border to all sides
    totWidth += 10;
    totHeight += 10;

    // 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 );
}

bool wxRadioBox::SetFont(const wxFont& font)
{
    bool retval = wxWindowBase::SetFont( font );

    // dont' update the native control, it has its own small font

    // should we iterate over the children ?

    return retval;
}

#endif // wxUSE_RADIOBOX
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: src/osx/radiobox_osx.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/osx/private.h"
	24
	25	// regarding layout: note that there are differences in inter-control
	26	// spacing between InterfaceBuild and the Human Interface Guidelines, we stick
	27	// to the latter, as those are also used eg in the System Preferences Dialogs
	28
	29	IMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl)
	30
	31
	32	BEGIN_EVENT_TABLE(wxRadioBox, wxControl)
	33	EVT_RADIOBUTTON( wxID_ANY , wxRadioBox::OnRadioButton )
	34	END_EVENT_TABLE()
	35
	36
	37	void wxRadioBox::OnRadioButton( wxCommandEvent &outer )
	38	{
	39	if ( outer.IsChecked() )
	40	{
	41	wxCommandEvent event( wxEVT_RADIOBOX, m_windowId );
	42	int i = GetSelection() ;
	43	event.SetInt(i);
	44	event.SetString(GetString(i));
	45	event.SetEventObject( this );
	46	ProcessCommand(event);
	47	}
	48	}
	49
	50	wxRadioBox::wxRadioBox()
	51	{
	52	m_noItems = 0;
	53	m_noRowsOrCols = 0;
	54	m_radioButtonCycle = NULL;
	55	}
	56
	57	wxRadioBox::~wxRadioBox()
	58	{
	59	SendDestroyEvent();
	60
	61	wxRadioButton next, current;
	62
	63	current = m_radioButtonCycle->NextInCycle();
	64	if (current != NULL)
	65	{
	66	while (current != m_radioButtonCycle)
	67	{
	68	next = current->NextInCycle();
	69	delete current;
	70
	71	current = next;
	72	}
	73
	74	delete current;
	75	}
	76	}
	77
	78	// Create the radiobox for two-step construction
	79
	80	bool wxRadioBox::Create( wxWindow *parent,
	81	wxWindowID id, const wxString& label,
	82	const wxPoint& pos, const wxSize& size,
	83	const wxArrayString& choices,
	84	int majorDim, long style,
	85	const wxValidator& val, const wxString& name )
	86	{
	87	wxCArrayString chs(choices);
	88
	89	return Create(
	90	parent, id, label, pos, size, chs.GetCount(),
	91	chs.GetStrings(), majorDim, style, val, name);
	92	}
	93
	94	bool wxRadioBox::Create( wxWindow *parent,
	95	wxWindowID id, const wxString& label,
	96	const wxPoint& pos, const wxSize& size,
	97	int n, const wxString choices[],
	98	int majorDim, long style,
	99	const wxValidator& val, const wxString& name )
	100	{
	101	DontCreatePeer();
	102
	103	if ( !wxControl::Create( parent, id, pos, size, style, val, name ) )
	104	return false;
	105
	106	// during construction we must keep this at 0, otherwise GetBestSize fails
	107	m_noItems = 0;
	108	m_noRowsOrCols = majorDim;
	109	m_radioButtonCycle = NULL;
	110
	111	SetMajorDim( majorDim == 0 ? n : majorDim, style );
	112
	113	m_labelOrig = m_label = label;
	114
	115	SetPeer(wxWidgetImpl::CreateGroupBox( this, parent, id, label, pos, size, style, GetExtraStyle() ));
	116
	117	for (int i = 0; i < n; i++)
	118	{
	119	wxRadioButton *radBtn = new wxRadioButton(
	120	this,
	121	wxID_ANY,
	122	GetLabelText(choices[i]),
	123	wxPoint( 5, 20 * i + 10 ),
	124	wxDefaultSize,
	125	i == 0 ? wxRB_GROUP : 0 );
	126
	127	if ( i == 0 )
	128	m_radioButtonCycle = radBtn;
	129	// m_radioButtonCycle = radBtn->AddInCycle( m_radioButtonCycle );
	130	}
	131
	132	// as all radiobuttons have been set-up, set the correct dimensions
	133	m_noItems = (unsigned int)n;
	134	SetMajorDim( majorDim == 0 ? n : majorDim, style );
	135
	136	SetSelection( 0 );
	137	InvalidateBestSize();
	138	SetInitialSize( size );
	139	MacPostControlCreate( pos, size );
	140
	141	return true;
	142	}
	143
	144	// Enables or disables the entire radiobox
	145	//
	146	bool wxRadioBox::Enable(bool enable)
	147	{
	148	wxRadioButton *current;
	149
	150	if (!wxControl::Enable( enable ))
	151	return false;
	152
	153	current = m_radioButtonCycle;
	154	for (unsigned int i = 0; i < m_noItems; i++)
	155	{
	156	current->Enable( enable );
	157	current = current->NextInCycle();
	158	}
	159
	160	return true;
	161	}
	162
	163	// Enables or disables an given button
	164	//
	165	bool wxRadioBox::Enable(unsigned int item, bool enable)
	166	{
	167	if (!IsValid( item ))
	168	return false;
	169
	170	unsigned int i = 0;
	171	wxRadioButton *current = m_radioButtonCycle;
	172	while (i != item)
	173	{
	174	i++;
	175	current = current->NextInCycle();
	176	}
	177
	178	return current->Enable( enable );
	179	}
	180
	181	bool wxRadioBox::IsItemEnabled(unsigned int item) const
	182	{
	183	if (!IsValid( item ))
	184	return false;
	185
	186	unsigned int i = 0;
	187	wxRadioButton *current = m_radioButtonCycle;
	188	while (i != item)
	189	{
	190	i++;
	191	current = current->NextInCycle();
	192	}
	193
	194	return current->IsEnabled();
	195	}
	196
	197	// Returns the radiobox label
	198	//
	199	wxString wxRadioBox::GetLabel() const
	200	{
	201	return wxControl::GetLabel();
	202	}
	203
	204	// Returns the label for the given button
	205	//
	206	wxString wxRadioBox::GetString(unsigned int item) const
	207	{
	208	wxRadioButton *current;
	209
	210	if (!IsValid( item ))
	211	return wxEmptyString;
	212
	213	unsigned int i = 0;
	214	current = m_radioButtonCycle;
	215	while (i != item)
	216	{
	217	i++;
	218	current = current->NextInCycle();
	219	}
	220
	221	return current->GetLabel();
	222	}
	223
	224	// Returns the zero-based position of the selected button
	225	//
	226	int wxRadioBox::GetSelection() const
	227	{
	228	int i;
	229	wxRadioButton *current;
	230
	231	i = 0;
	232	current = m_radioButtonCycle;
	233	while (!current->GetValue())
	234	{
	235	i++;
	236	current = current->NextInCycle();
	237	}
	238
	239	return i;
	240	}
	241
	242	// Sets the radiobox label
	243	//
	244	void wxRadioBox::SetLabel(const wxString& label)
	245	{
	246	return wxControl::SetLabel( label );
	247	}
	248
	249	// Sets the label of a given button
	250	//
	251	void wxRadioBox::SetString(unsigned int item,const wxString& label)
	252	{
	253	if (!IsValid( item ))
	254	return;
	255
	256	unsigned int i = 0;
	257	wxRadioButton *current = m_radioButtonCycle;
	258	while (i != item)
	259	{
	260	i++;
	261	current = current->NextInCycle();
	262	}
	263
	264	return current->SetLabel( label );
	265	}
	266
	267	// Sets a button by passing the desired position. This does not cause
	268	// wxEVT_RADIOBOX event to get emitted
	269	//
	270	void wxRadioBox::SetSelection(int item)
	271	{
	272	int i;
	273	wxRadioButton *current;
	274
	275	if (!IsValid( item ))
	276	return;
	277
	278	i = 0;
	279	current = m_radioButtonCycle;
	280	while (i != item)
	281	{
	282	i++;
	283	current = current->NextInCycle();
	284	}
	285
	286	current->SetValue( true );
	287	}
	288
	289	// Shows or hides the entire radiobox
	290	//
	291	bool wxRadioBox::Show(bool show)
	292	{
	293	wxRadioButton *current;
	294
	295	current = m_radioButtonCycle;
	296	for (unsigned int i=0; i<m_noItems; i++)
	297	{
	298	current->Show( show );
	299	current = current->NextInCycle();
	300	}
	301
	302	wxControl::Show( show );
	303
	304	return true;
	305	}
	306
	307	// Shows or hides the given button
	308	//
	309	bool wxRadioBox::Show(unsigned int item, bool show)
	310	{
	311	if (!IsValid( item ))
	312	return false;
	313
	314	unsigned int i = 0;
	315	wxRadioButton *current = m_radioButtonCycle;
	316	while (i != item)
	317	{
	318	i++;
	319	current = current->NextInCycle();
	320	}
	321
	322	return current->Show( show );
	323	}
	324
	325	bool wxRadioBox::IsItemShown(unsigned int item) const
	326	{
	327	if (!IsValid( item ))
	328	return false;
	329
	330	unsigned int i = 0;
	331	wxRadioButton *current = m_radioButtonCycle;
	332	while (i != item)
	333	{
	334	i++;
	335	current = current->NextInCycle();
	336	}
	337
	338	return current->IsShown();
	339	}
	340
	341
	342	// Simulates the effect of the user issuing a command to the item
	343	//
	344	void wxRadioBox::Command( wxCommandEvent& event )
	345	{
	346	SetSelection( event.GetInt() );
	347	ProcessCommand( event );
	348	}
	349
	350	// Sets the selected button to receive keyboard input
	351	//
	352	void wxRadioBox::SetFocus()
	353	{
	354	wxRadioButton *current;
	355
	356	current = m_radioButtonCycle;
	357	while (!current->GetValue())
	358	{
	359	current = current->NextInCycle();
	360	}
	361
	362	current->SetFocus();
	363	}
	364
	365	// Simulates the effect of the user issuing a command to the item
	366	//
	367	#if wxOSX_USE_CARBON
	368	#define RADIO_SIZE 20
	369	#else
	370	// Cocoa has an additional border are of about 3 pixels
	371	#define RADIO_SIZE 23
	372	#endif
	373
	374	void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
	375	{
	376	int i;
	377	wxRadioButton *current;
	378
	379	// define the position
	380
	381	int x_current, y_current;
	382	int x_offset, y_offset;
	383	int widthOld, heightOld;
	384
	385	GetSize( &widthOld, &heightOld );
	386	GetPosition( &x_current, &y_current );
	387
	388	x_offset = x;
	389	y_offset = y;
	390	if (!(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
	391	{
	392	if (x == wxDefaultCoord)
	393	x_offset = x_current;
	394	if (y == wxDefaultCoord)
	395	y_offset = y_current;
	396	}
	397
	398	// define size
	399	int charWidth, charHeight;
	400	int maxWidth, maxHeight;
	401	int eachWidth[128], eachHeight[128];
	402	int totWidth, totHeight;
	403
	404	GetTextExtent(
	405	wxT("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"),
	406	&charWidth, &charHeight );
	407
	408	charWidth /= 52;
	409
	410	maxWidth = -1;
	411	maxHeight = -1;
	412	wxSize bestSizeRadio ;
	413	if ( m_radioButtonCycle )
	414	bestSizeRadio = m_radioButtonCycle->GetBestSize();
	415
	416	for (unsigned int i = 0 ; i < m_noItems; i++)
	417	{
	418	GetTextExtent(GetString(i), &eachWidth[i], &eachHeight[i] );
	419	eachWidth[i] = eachWidth[i] + RADIO_SIZE;
	420	eachHeight[i] = wxMax( eachHeight[i], bestSizeRadio.y );
	421
	422	if (maxWidth < eachWidth[i])
	423	maxWidth = eachWidth[i];
	424	if (maxHeight < eachHeight[i])
	425	maxHeight = eachHeight[i];
	426	}
	427
	428	// according to HIG (official space - 3 Pixels Diff between Frame and Layout size)
	429	int space = 3;
	430	if ( GetWindowVariant() == wxWINDOW_VARIANT_MINI )
	431	space = 2;
	432
	433	totHeight = GetRowCount() * maxHeight + (GetRowCount() - 1) * space;
	434	totWidth = GetColumnCount() * (maxWidth + charWidth);
	435
	436	wxSize sz = DoGetSizeFromClientSize( wxSize( totWidth, totHeight ) ) ;
	437
	438	// change the width / height only when specified
	439	if ( width == wxDefaultCoord )
	440	{
	441	if ( sizeFlags & wxSIZE_AUTO_WIDTH )
	442	width = sz.x;
	443	else
	444	width = widthOld;
	445	}
	446
	447	if ( height == wxDefaultCoord )
	448	{
	449	if ( sizeFlags & wxSIZE_AUTO_HEIGHT )
	450	height = sz.y;
	451	else
	452	height = heightOld;
	453	}
	454
	455	wxControl::DoSetSize( x_offset, y_offset, width, height, wxSIZE_AUTO );
	456
	457	// arrange radio buttons
	458	int x_start, y_start;
	459
	460	x_start = ( width - sz.x ) / 2;
	461	y_start = ( height - sz.y ) / 2;
	462
	463	x_offset = x_start;
	464	y_offset = y_start;
	465
	466	current = m_radioButtonCycle;
	467	for (i = 0 ; i < (int)m_noItems; i++)
	468	{
	469	// not to do for the zero button!
	470	if ((i > 0) && ((i % GetMajorDim()) == 0))
	471	{
	472	if (m_windowStyle & wxRA_SPECIFY_ROWS)
	473	{
	474	x_offset += maxWidth + charWidth;
	475	y_offset = y_start;
	476	}
	477	else
	478	{
	479	x_offset = x_start;
	480	y_offset += maxHeight + space;
	481	}
	482	}
	483
	484	current->SetSize( x_offset, y_offset, eachWidth[i], eachHeight[i] );
	485	current = current->NextInCycle();
	486
	487	if (m_windowStyle & wxRA_SPECIFY_ROWS)
	488	y_offset += maxHeight + space;
	489	else
	490	x_offset += maxWidth + charWidth;
	491	}
	492	}
	493
	494	wxSize wxRadioBox::DoGetBestSize() const
	495	{
	496	int charWidth, charHeight;
	497	int maxWidth, maxHeight;
	498	int eachWidth, eachHeight;
	499	int totWidth, totHeight;
	500
	501	wxFont font = GetFont(); // GetParent()->GetFont()
	502	GetTextExtent(
	503	wxT("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"),
	504	&charWidth, &charHeight, NULL, NULL, &font );
	505
	506	charWidth /= 52;
	507
	508	maxWidth = -1;
	509	maxHeight = -1;
	510
	511	wxSize bestSizeRadio ;
	512	if ( m_radioButtonCycle )
	513	bestSizeRadio = m_radioButtonCycle->GetBestSize();
	514
	515	for (unsigned int i = 0 ; i < m_noItems; i++)
	516	{
	517	GetTextExtent(GetString(i), &eachWidth, &eachHeight, NULL, NULL, &font );
	518	eachWidth = (eachWidth + RADIO_SIZE);
	519	eachHeight = wxMax(eachHeight, bestSizeRadio.y );
	520	if (maxWidth < eachWidth)
	521	maxWidth = eachWidth;
	522	if (maxHeight < eachHeight)
	523	maxHeight = eachHeight;
	524	}
	525
	526	// according to HIG (official space - 3 Pixels Diff between Frame and Layout size)
	527	int space = 3;
	528	if ( GetWindowVariant() == wxWINDOW_VARIANT_MINI )
	529	space = 2;
	530
	531	totHeight = GetRowCount() * maxHeight + (GetRowCount() - 1) * space;
	532	totWidth = GetColumnCount() * (maxWidth + charWidth);
	533
	534	wxSize sz = DoGetSizeFromClientSize( wxSize( totWidth, totHeight ) );
	535	totWidth = sz.x;
	536	totHeight = sz.y;
	537
	538	// optimum size is an additional 5 pt border to all sides
	539	totWidth += 10;
	540	totHeight += 10;
	541
	542	// handle radio box title as well
	543	GetTextExtent( GetLabel(), &eachWidth, NULL );
	544	eachWidth = (int)(eachWidth + RADIO_SIZE) + 3 * charWidth;
	545	if (totWidth < eachWidth)
	546	totWidth = eachWidth;
	547
	548	return wxSize( totWidth, totHeight );
	549	}
	550
	551	bool wxRadioBox::SetFont(const wxFont& font)
	552	{
	553	bool retval = wxWindowBase::SetFont( font );
	554
	555	// dont' update the native control, it has its own small font
	556
	557	// should we iterate over the children ?
	558
	559	return retval;
	560	}
	561
	562	#endif // wxUSE_RADIOBOX