src/osx/slider_osx.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        src/osx/slider_osx.cpp
// Purpose:     wxSlider
// 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_SLIDER

#include "wx/slider.h"
#include "wx/osx/private.h"

BEGIN_EVENT_TABLE(wxSlider, wxControl)
END_EVENT_TABLE()

 // The dimensions of the different styles of sliders (from Aqua document)
#if wxOSX_USE_COCOA
    #define wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS 28
    #define wxSLIDER_DIMENSIONACROSS_ARROW 21
#else
    #define wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS 24
    #define wxSLIDER_DIMENSIONACROSS_ARROW 18
#endif

// Distance between slider and text
#define wxSLIDER_BORDERTEXT 5

// NB: The default orientation for a slider is horizontal; however, if the user specifies
// some slider styles but doesn't specify the orientation we have to assume he wants a
// horizontal one. Therefore in this file when testing for the slider's orientation
// vertical is tested for if this is not set then we use the horizontal one
// e.g., if (GetWindowStyle() & wxSL_VERTICAL) {} else { horizontal case }.

wxSlider::wxSlider()
{
    m_pageSize = 1;
    m_lineSize = 1;
    m_rangeMax = 0;
    m_rangeMin = 0;
    m_tickFreq = 0;

    m_macMinimumStatic = NULL;
    m_macMaximumStatic = NULL;
    m_macValueStatic = NULL;
}

bool wxSlider::Create(wxWindow *parent,
    wxWindowID id,
    int value, int minValue, int maxValue,
    const wxPoint& pos,
    const wxSize& size, long style,
    const wxValidator& validator,
    const wxString& name)
{
    DontCreatePeer();

    m_macMinimumStatic = NULL;
    m_macMaximumStatic = NULL;
    m_macValueStatic = NULL;

    m_lineSize = 1;
    m_tickFreq = 0;

    m_rangeMax = maxValue;
    m_rangeMin = minValue;

    m_pageSize = (int)((maxValue - minValue) / 10);

    // our styles are redundant: wxSL_LEFT/RIGHT imply wxSL_VERTICAL and
    // wxSL_TOP/BOTTOM imply wxSL_HORIZONTAL, but for backwards compatibility
    // reasons we can't really change it, instead try to infer the orientation
    // from the flags given to us here
    switch ( style & (wxSL_LEFT | wxSL_RIGHT | wxSL_TOP | wxSL_BOTTOM) )
    {
        case wxSL_LEFT:
        case wxSL_RIGHT:
            style |= wxSL_VERTICAL;
            break;

        case wxSL_TOP:
        case wxSL_BOTTOM:
            style |= wxSL_HORIZONTAL;
            break;

        case 0:
        default:
            // no specific direction, do we have at least the orientation?
            if ( !(style & (wxSL_HORIZONTAL | wxSL_VERTICAL)) )
                // no: choose default
                style |= wxSL_BOTTOM | wxSL_HORIZONTAL;
            break;
    }

    wxASSERT_MSG( !(style & wxSL_VERTICAL) || !(style & wxSL_HORIZONTAL),
        wxT("incompatible slider direction and orientation") );

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

    SetPeer(wxWidgetImpl::CreateSlider( this, parent, id, value, minValue, maxValue, pos, size, style, GetExtraStyle() ));

    if (style & wxSL_VERTICAL)
        // Forces SetSize to use the proper width
        SetSizeHints(10, -1, 10, -1);
    else
        // Forces SetSize to use the proper height
        SetSizeHints(-1, 10, -1, 10);

    // NB: SetSizeHints is overloaded by wxSlider and will substitute 10 with the
    // proper dimensions, it also means other people cannot bugger the slider with
    // other values

    if (style & wxSL_LABELS)
    {
        m_macMinimumStatic = new wxStaticText( parent, wxID_ANY, wxEmptyString );
        m_macMaximumStatic = new wxStaticText( parent, wxID_ANY, wxEmptyString );
        m_macValueStatic = new wxStaticText( parent, wxID_ANY, wxEmptyString );
    }

    SetRange(minValue, maxValue);
    SetValue(value);

    MacPostControlCreate(pos, size);

    return true;
}

wxSlider::~wxSlider()
{
    // this is a special case, as we had to add windows as siblings we are
    // responsible for their disposal, but only if we are not part of a DestroyAllChildren
    if ( m_parent && !m_parent->IsBeingDeleted() )
    {
        delete m_macMinimumStatic;
        delete m_macMaximumStatic;
        delete m_macValueStatic;
    }
}

int wxSlider::GetValue() const
{
    // We may need to invert the value returned by the widget
    return ValueInvertOrNot( GetPeer()->GetValue() ) ;
}

void wxSlider::SetValue(int value)
{
    if ( m_macValueStatic )
    {
        wxString valuestring;
        valuestring.Printf( wxT("%d"), value );
        m_macValueStatic->SetLabel( valuestring );
    }

    // We only invert for the setting of the actual native widget
    GetPeer()->SetValue( ValueInvertOrNot( value ) );
}

void wxSlider::SetRange(int minValue, int maxValue)
{
    // Changing the range preserves the value of the native control but may
    // change our logical value if we're inverting the native value to get it
    // as ValueInvertOrNot() depends on the range so preserve it before
    // changing the range.
    const int valueOld = GetValue();

    wxString value;

    m_rangeMin = minValue;
    m_rangeMax = maxValue;

    GetPeer()->SetMinimum( m_rangeMin );
    GetPeer()->SetMaximum( m_rangeMax );

    if (m_macMinimumStatic)
    {
        value.Printf( wxT("%d"), ValueInvertOrNot( m_rangeMin ) );
        m_macMinimumStatic->SetLabel( value );
    }

    if (m_macMaximumStatic)
    {
        value.Printf( wxT("%d"), ValueInvertOrNot( m_rangeMax ) );
        m_macMaximumStatic->SetLabel( value );
    }

    // If the range is out of bounds, set it to a
    // value that is within bounds
    // RN: Testing reveals OSX does its own
    // bounding, perhaps this isn't needed?
    int currentValue = GetValue();

    if(currentValue < m_rangeMin)
        SetValue(m_rangeMin);
    else if(currentValue > m_rangeMax)
        SetValue(m_rangeMax);

    // Ensure that our value didn't change.
    SetValue(valueOld);
}

// For trackbars only
void wxSlider::DoSetTickFreq(int n)
{
    // TODO
    m_tickFreq = n;
}

void wxSlider::SetPageSize(int pageSize)
{
    // TODO
    m_pageSize = pageSize;
}

int wxSlider::GetPageSize() const
{
    return m_pageSize;
}

void wxSlider::ClearSel()
{
    // TODO
}

void wxSlider::ClearTicks()
{
    // TODO
}

void wxSlider::SetLineSize(int lineSize)
{
    m_lineSize = lineSize;
    // TODO
}

int wxSlider::GetLineSize() const
{
    // TODO
    return m_lineSize;
}

int wxSlider::GetSelEnd() const
{
    // TODO
    return 0;
}

int wxSlider::GetSelStart() const
{
    // TODO
    return 0;
}

void wxSlider::SetSelection(int WXUNUSED(minPos), int WXUNUSED(maxPos))
{
    // TODO
}

void wxSlider::SetThumbLength(int WXUNUSED(len))
{
    // TODO
}

int wxSlider::GetThumbLength() const
{
    // TODO
    return 0;
}

void wxSlider::SetTick(int WXUNUSED(tickPos))
{
    // TODO
}

void wxSlider::Command(wxCommandEvent &event)
{
    SetValue(event.GetInt());
    ProcessCommand(event);
}

void wxSlider::TriggerScrollEvent( wxEventType scrollEvent)
{
    // Whatever the native value is, we may need to invert it for calling
    // SetValue and putting the possibly inverted value in the event
    int value = ValueInvertOrNot( GetPeer()->GetValue() );

    SetValue( value );

    wxScrollEvent event( scrollEvent, m_windowId );
    event.SetPosition( value );
    event.SetEventObject( this );
    HandleWindowEvent( event );

    wxCommandEvent cevent( wxEVT_COMMAND_SLIDER_UPDATED, m_windowId );
    cevent.SetInt( value );
    cevent.SetEventObject( this );
    HandleWindowEvent( cevent );
}

bool wxSlider::OSXHandleClicked( double WXUNUSED(timestampsec) )
{
    TriggerScrollEvent(wxEVT_SCROLL_THUMBRELEASE);

    return true;
}

// This is overloaded in wxSlider so that the proper width/height will always be used
// for the slider different values would cause redrawing and mouse detection problems
//
void wxSlider::DoSetSizeHints( int minW, int minH,
    int maxW, int maxH,
    int WXUNUSED(incW), int WXUNUSED(incH) )
{
    wxSize size = GetBestSize();

    if (GetWindowStyle() & wxSL_VERTICAL)
    {
        SetMinSize( wxSize(size.x,minH) );
        SetMaxSize( wxSize(size.x,maxH) );
    }
    else
    {
        SetMinSize( wxSize(minW,size.y) );
        SetMaxSize( wxSize(maxW,size.y) );
    }
}

wxSize wxSlider::DoGetBestSize() const
{
    wxSize size;
    int textwidth, textheight;
    int mintwidth, mintheight;
    int maxtwidth, maxtheight;

    textwidth = textheight = 0;
    mintwidth = mintheight = 0;
    maxtwidth = maxtheight = 0;

    if (GetWindowStyle() & wxSL_LABELS)
    {
        wxString text;

        // Get maximum text label width and height
        text.Printf( wxT("%d"), ValueInvertOrNot( m_rangeMin ) );
        GetTextExtent(text, &mintwidth, &mintheight);
        text.Printf( wxT("%d"), ValueInvertOrNot( m_rangeMax ) );
        GetTextExtent(text, &maxtwidth, &maxtheight);

        if (maxtheight > mintheight)
            textheight = maxtheight;
        else
            textheight = mintheight;

        if (maxtwidth > mintwidth)
            textwidth = maxtwidth;
        else
            textwidth = mintwidth;
    }

    if (GetWindowStyle() & wxSL_VERTICAL)
    {
        size.y = 150;

        if (GetWindowStyle() & wxSL_AUTOTICKS)
            size.x = wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS;
        else
            size.x = wxSLIDER_DIMENSIONACROSS_ARROW;

        if (GetWindowStyle() & wxSL_LABELS)
            size.x += textwidth + wxSLIDER_BORDERTEXT;
    }
    else
    {
        size.x = 150;

        if (GetWindowStyle() & wxSL_AUTOTICKS)
            size.y = wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS;
        else
            size.y = wxSLIDER_DIMENSIONACROSS_ARROW;

        if (GetWindowStyle() & wxSL_LABELS)
        {
            size.y += textheight + wxSLIDER_BORDERTEXT;
            size.x += (mintwidth / 2) + (maxtwidth / 2);
        }
    }

    return size;
}

void wxSlider::DoSetSize(int x, int y, int w, int h, int sizeFlags)
{
    int yborder = 0;
    int minValWidth, maxValWidth, textheight;
    int sliderBreadth;
    int width = w;

    if (GetWindowStyle() & wxSL_LABELS)
    {
        wxString text;
        int ht, valValWidth;

        // Get maximum text label width and height
        text.Printf(wxT("%d"), ValueInvertOrNot( m_rangeMin ) );
        GetTextExtent(text, &minValWidth, &textheight);
        text.Printf(wxT("%d"), ValueInvertOrNot( m_rangeMax ) );
        GetTextExtent(text, &maxValWidth, &ht);

        if (ht > textheight)
            textheight = ht;

        if (GetWindowStyle() & wxSL_HORIZONTAL)
        {
            if ( m_macMinimumStatic )
            {
                w -= minValWidth / 2;
                x += minValWidth / 2;
            }

            if ( m_macMaximumStatic )
                w -= maxValWidth / 2;
        }

        // Labels have this control's parent as their parent
        // so if this control is not at 0,0 relative to the parent
        // the labels need to know the position of this control
        // relative to its parent in order to size properly, so
        // move the control first so we can use GetPosition()
        wxControl::DoSetSize( x, y, w, h, sizeFlags );

        if (GetWindowStyle() & wxSL_VERTICAL)
            // If vertical, use current value
            text.Printf(wxT("%d"), (int)GetPeer()->GetValue());
        else
            // Use max so that the current value doesn't drift as centering would need to change
            text.Printf(wxT("%d"), m_rangeMax);

        GetTextExtent(text, &valValWidth, &ht);

        yborder = textheight + wxSLIDER_BORDERTEXT;

        // Get slider breadth
        if (GetWindowStyle() & wxSL_AUTOTICKS)
            sliderBreadth = wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS;
        else
            sliderBreadth = wxSLIDER_DIMENSIONACROSS_ARROW;

        if (GetWindowStyle() & wxSL_VERTICAL)
        {
            h = h - yborder;

            if ( m_macMinimumStatic )
                m_macMinimumStatic->Move(GetPosition().x + sliderBreadth + wxSLIDER_BORDERTEXT, GetPosition().y + h - yborder);
            if ( m_macMaximumStatic )
                m_macMaximumStatic->Move(GetPosition().x + sliderBreadth + wxSLIDER_BORDERTEXT, GetPosition().y + 0);
            if ( m_macValueStatic )
                m_macValueStatic->Move(GetPosition().x + sliderBreadth + wxSLIDER_BORDERTEXT, GetPosition().y + (h / 2) - (ht / 2));
        }
        else
        {
            if ( m_macMinimumStatic )
                m_macMinimumStatic->Move(GetPosition().x, GetPosition().y + sliderBreadth + wxSLIDER_BORDERTEXT);
            if ( m_macMaximumStatic )
                 m_macMaximumStatic->Move(GetPosition().x + w - maxValWidth, GetPosition().y + sliderBreadth + wxSLIDER_BORDERTEXT);
            if ( m_macValueStatic )
                m_macValueStatic->Move(GetPosition().x + (w / 2) - (valValWidth / 2), GetPosition().y + sliderBreadth + wxSLIDER_BORDERTEXT);
        }
    }

    // yet another hack since this is a composite control
    // when wxSlider has it's size hardcoded, we're not allowed to
    // change the size. But when the control has labels, we DO need
    // to resize the internal Mac control to accommodate the text labels.
    // We need to trick the wxWidgets resize mechanism so that we can
    // resize the slider part of the control ONLY.

    // TODO: Can all of this code go in the conditional wxSL_LABELS block?

    int minWidth = m_minWidth;

    if (GetWindowStyle() & wxSL_LABELS)
    {
        // make sure we don't allow the entire control to be resized accidently
        if (width == GetSize().x)
            m_minWidth = -1;
    }

    // If the control has labels, we still need to call this again because
    // the labels alter the control's w and h values.
    wxControl::DoSetSize( x, y, w, h, sizeFlags );

    m_minWidth = minWidth;
}

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

// Common processing to invert slider values based on wxSL_INVERSE
int wxSlider::ValueInvertOrNot(int value) const
{
    int result = 0;

    if (m_windowStyle & wxSL_VERTICAL)
    {
        // The reason for the backwards logic is that Mac's vertical sliders are
        // inverted compared to Windows and GTK, hence we want inversion to be the
        // default, and if wxSL_INVERSE is set, then we do not invert (use native)
        if (m_windowStyle & wxSL_INVERSE)
            result = value;
        else
            result = (m_rangeMax + m_rangeMin) - value;
    }
    else // normal logic applies to HORIZONTAL sliders
    {
        result = wxSliderBase::ValueInvertOrNot(value);
    }

    return result;
}

#endif // wxUSE_SLIDER
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: src/osx/slider_osx.cpp
	3	// Purpose: wxSlider
	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_SLIDER
	15
	16	#include "wx/slider.h"
	17	#include "wx/osx/private.h"
	18
	19	BEGIN_EVENT_TABLE(wxSlider, wxControl)
	20	END_EVENT_TABLE()
	21
	22	// The dimensions of the different styles of sliders (from Aqua document)
	23	#if wxOSX_USE_COCOA
	24	#define wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS 28
	25	#define wxSLIDER_DIMENSIONACROSS_ARROW 21
	26	#else
	27	#define wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS 24
	28	#define wxSLIDER_DIMENSIONACROSS_ARROW 18
	29	#endif
	30
	31	// Distance between slider and text
	32	#define wxSLIDER_BORDERTEXT 5
	33
	34	// NB: The default orientation for a slider is horizontal; however, if the user specifies
	35	// some slider styles but doesn't specify the orientation we have to assume he wants a
	36	// horizontal one. Therefore in this file when testing for the slider's orientation
	37	// vertical is tested for if this is not set then we use the horizontal one
	38	// e.g., if (GetWindowStyle() & wxSL_VERTICAL) {} else { horizontal case }.
	39
	40	wxSlider::wxSlider()
	41	{
	42	m_pageSize = 1;
	43	m_lineSize = 1;
	44	m_rangeMax = 0;
	45	m_rangeMin = 0;
	46	m_tickFreq = 0;
	47
	48	m_macMinimumStatic = NULL;
	49	m_macMaximumStatic = NULL;
	50	m_macValueStatic = NULL;
	51	}
	52
	53	bool wxSlider::Create(wxWindow *parent,
	54	wxWindowID id,
	55	int value, int minValue, int maxValue,
	56	const wxPoint& pos,
	57	const wxSize& size, long style,
	58	const wxValidator& validator,
	59	const wxString& name)
	60	{
	61	DontCreatePeer();
	62
	63	m_macMinimumStatic = NULL;
	64	m_macMaximumStatic = NULL;
	65	m_macValueStatic = NULL;
	66
	67	m_lineSize = 1;
	68	m_tickFreq = 0;
	69
	70	m_rangeMax = maxValue;
	71	m_rangeMin = minValue;
	72
	73	m_pageSize = (int)((maxValue - minValue) / 10);
	74
	75	// our styles are redundant: wxSL_LEFT/RIGHT imply wxSL_VERTICAL and
	76	// wxSL_TOP/BOTTOM imply wxSL_HORIZONTAL, but for backwards compatibility
	77	// reasons we can't really change it, instead try to infer the orientation
	78	// from the flags given to us here
	79	switch ( style & (wxSL_LEFT \| wxSL_RIGHT \| wxSL_TOP \| wxSL_BOTTOM) )
	80	{
	81	case wxSL_LEFT:
	82	case wxSL_RIGHT:
	83	style \|= wxSL_VERTICAL;
	84	break;
	85
	86	case wxSL_TOP:
	87	case wxSL_BOTTOM:
	88	style \|= wxSL_HORIZONTAL;
	89	break;
	90
	91	case 0:
	92	default:
	93	// no specific direction, do we have at least the orientation?
	94	if ( !(style & (wxSL_HORIZONTAL \| wxSL_VERTICAL)) )
	95	// no: choose default
	96	style \|= wxSL_BOTTOM \| wxSL_HORIZONTAL;
	97	break;
	98	}
	99
	100	wxASSERT_MSG( !(style & wxSL_VERTICAL) \|\| !(style & wxSL_HORIZONTAL),
	101	wxT("incompatible slider direction and orientation") );
	102
	103	if ( !wxControl::Create(parent, id, pos, size, style, validator, name) )
	104	return false;
	105
	106	SetPeer(wxWidgetImpl::CreateSlider( this, parent, id, value, minValue, maxValue, pos, size, style, GetExtraStyle() ));
	107
	108	if (style & wxSL_VERTICAL)
	109	// Forces SetSize to use the proper width
	110	SetSizeHints(10, -1, 10, -1);
	111	else
	112	// Forces SetSize to use the proper height
	113	SetSizeHints(-1, 10, -1, 10);
	114
	115	// NB: SetSizeHints is overloaded by wxSlider and will substitute 10 with the
	116	// proper dimensions, it also means other people cannot bugger the slider with
	117	// other values
	118
	119	if (style & wxSL_LABELS)
	120	{
	121	m_macMinimumStatic = new wxStaticText( parent, wxID_ANY, wxEmptyString );
	122	m_macMaximumStatic = new wxStaticText( parent, wxID_ANY, wxEmptyString );
	123	m_macValueStatic = new wxStaticText( parent, wxID_ANY, wxEmptyString );
	124	}
	125
	126	SetRange(minValue, maxValue);
	127	SetValue(value);
	128
	129	MacPostControlCreate(pos, size);
	130
	131	return true;
	132	}
	133
	134	wxSlider::~wxSlider()
	135	{
	136	// this is a special case, as we had to add windows as siblings we are
	137	// responsible for their disposal, but only if we are not part of a DestroyAllChildren
	138	if ( m_parent && !m_parent->IsBeingDeleted() )
	139	{
	140	delete m_macMinimumStatic;
	141	delete m_macMaximumStatic;
	142	delete m_macValueStatic;
	143	}
	144	}
	145
	146	int wxSlider::GetValue() const
	147	{
	148	// We may need to invert the value returned by the widget
	149	return ValueInvertOrNot( GetPeer()->GetValue() ) ;
	150	}
	151
	152	void wxSlider::SetValue(int value)
	153	{
	154	if ( m_macValueStatic )
	155	{
	156	wxString valuestring;
	157	valuestring.Printf( wxT("%d"), value );
	158	m_macValueStatic->SetLabel( valuestring );
	159	}
	160
	161	// We only invert for the setting of the actual native widget
	162	GetPeer()->SetValue( ValueInvertOrNot( value ) );
	163	}
	164
	165	void wxSlider::SetRange(int minValue, int maxValue)
	166	{
	167	// Changing the range preserves the value of the native control but may
	168	// change our logical value if we're inverting the native value to get it
	169	// as ValueInvertOrNot() depends on the range so preserve it before
	170	// changing the range.
	171	const int valueOld = GetValue();
	172
	173	wxString value;
	174
	175	m_rangeMin = minValue;
	176	m_rangeMax = maxValue;
	177
	178	GetPeer()->SetMinimum( m_rangeMin );
	179	GetPeer()->SetMaximum( m_rangeMax );
	180
	181	if (m_macMinimumStatic)
	182	{
	183	value.Printf( wxT("%d"), ValueInvertOrNot( m_rangeMin ) );
	184	m_macMinimumStatic->SetLabel( value );
	185	}
	186
	187	if (m_macMaximumStatic)
	188	{
	189	value.Printf( wxT("%d"), ValueInvertOrNot( m_rangeMax ) );
	190	m_macMaximumStatic->SetLabel( value );
	191	}
	192
	193	// If the range is out of bounds, set it to a
	194	// value that is within bounds
	195	// RN: Testing reveals OSX does its own
	196	// bounding, perhaps this isn't needed?
	197	int currentValue = GetValue();
	198
	199	if(currentValue < m_rangeMin)
	200	SetValue(m_rangeMin);
	201	else if(currentValue > m_rangeMax)
	202	SetValue(m_rangeMax);
	203
	204	// Ensure that our value didn't change.
	205	SetValue(valueOld);
	206	}
	207
	208	// For trackbars only
	209	void wxSlider::DoSetTickFreq(int n)
	210	{
	211	// TODO
	212	m_tickFreq = n;
	213	}
	214
	215	void wxSlider::SetPageSize(int pageSize)
	216	{
	217	// TODO
	218	m_pageSize = pageSize;
	219	}
	220
	221	int wxSlider::GetPageSize() const
	222	{
	223	return m_pageSize;
	224	}
	225
	226	void wxSlider::ClearSel()
	227	{
	228	// TODO
	229	}
	230
	231	void wxSlider::ClearTicks()
	232	{
	233	// TODO
	234	}
	235
	236	void wxSlider::SetLineSize(int lineSize)
	237	{
	238	m_lineSize = lineSize;
	239	// TODO
	240	}
	241
	242	int wxSlider::GetLineSize() const
	243	{
	244	// TODO
	245	return m_lineSize;
	246	}
	247
	248	int wxSlider::GetSelEnd() const
	249	{
	250	// TODO
	251	return 0;
	252	}
	253
	254	int wxSlider::GetSelStart() const
	255	{
	256	// TODO
	257	return 0;
	258	}
	259
	260	void wxSlider::SetSelection(int WXUNUSED(minPos), int WXUNUSED(maxPos))
	261	{
	262	// TODO
	263	}
	264
	265	void wxSlider::SetThumbLength(int WXUNUSED(len))
	266	{
	267	// TODO
	268	}
	269
	270	int wxSlider::GetThumbLength() const
	271	{
	272	// TODO
	273	return 0;
	274	}
	275
	276	void wxSlider::SetTick(int WXUNUSED(tickPos))
	277	{
	278	// TODO
	279	}
	280
	281	void wxSlider::Command(wxCommandEvent &event)
	282	{
	283	SetValue(event.GetInt());
	284	ProcessCommand(event);
	285	}
	286
	287	void wxSlider::TriggerScrollEvent( wxEventType scrollEvent)
	288	{
	289	// Whatever the native value is, we may need to invert it for calling
	290	// SetValue and putting the possibly inverted value in the event
	291	int value = ValueInvertOrNot( GetPeer()->GetValue() );
	292
	293	SetValue( value );
	294
	295	wxScrollEvent event( scrollEvent, m_windowId );
	296	event.SetPosition( value );
	297	event.SetEventObject( this );
	298	HandleWindowEvent( event );
	299
	300	wxCommandEvent cevent( wxEVT_COMMAND_SLIDER_UPDATED, m_windowId );
	301	cevent.SetInt( value );
	302	cevent.SetEventObject( this );
	303	HandleWindowEvent( cevent );
	304	}
	305
	306	bool wxSlider::OSXHandleClicked( double WXUNUSED(timestampsec) )
	307	{
	308	TriggerScrollEvent(wxEVT_SCROLL_THUMBRELEASE);
	309
	310	return true;
	311	}
	312
	313	// This is overloaded in wxSlider so that the proper width/height will always be used
	314	// for the slider different values would cause redrawing and mouse detection problems
	315	//
	316	void wxSlider::DoSetSizeHints( int minW, int minH,
	317	int maxW, int maxH,
	318	int WXUNUSED(incW), int WXUNUSED(incH) )
	319	{
	320	wxSize size = GetBestSize();
	321
	322	if (GetWindowStyle() & wxSL_VERTICAL)
	323	{
	324	SetMinSize( wxSize(size.x,minH) );
	325	SetMaxSize( wxSize(size.x,maxH) );
	326	}
	327	else
	328	{
	329	SetMinSize( wxSize(minW,size.y) );
	330	SetMaxSize( wxSize(maxW,size.y) );
	331	}
	332	}
	333
	334	wxSize wxSlider::DoGetBestSize() const
	335	{
	336	wxSize size;
	337	int textwidth, textheight;
	338	int mintwidth, mintheight;
	339	int maxtwidth, maxtheight;
	340
	341	textwidth = textheight = 0;
	342	mintwidth = mintheight = 0;
	343	maxtwidth = maxtheight = 0;
	344
	345	if (GetWindowStyle() & wxSL_LABELS)
	346	{
	347	wxString text;
	348
	349	// Get maximum text label width and height
	350	text.Printf( wxT("%d"), ValueInvertOrNot( m_rangeMin ) );
	351	GetTextExtent(text, &mintwidth, &mintheight);
	352	text.Printf( wxT("%d"), ValueInvertOrNot( m_rangeMax ) );
	353	GetTextExtent(text, &maxtwidth, &maxtheight);
	354
	355	if (maxtheight > mintheight)
	356	textheight = maxtheight;
	357	else
	358	textheight = mintheight;
	359
	360	if (maxtwidth > mintwidth)
	361	textwidth = maxtwidth;
	362	else
	363	textwidth = mintwidth;
	364	}
	365
	366	if (GetWindowStyle() & wxSL_VERTICAL)
	367	{
	368	size.y = 150;
	369
	370	if (GetWindowStyle() & wxSL_AUTOTICKS)
	371	size.x = wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS;
	372	else
	373	size.x = wxSLIDER_DIMENSIONACROSS_ARROW;
	374
	375	if (GetWindowStyle() & wxSL_LABELS)
	376	size.x += textwidth + wxSLIDER_BORDERTEXT;
	377	}
	378	else
	379	{
	380	size.x = 150;
	381
	382	if (GetWindowStyle() & wxSL_AUTOTICKS)
	383	size.y = wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS;
	384	else
	385	size.y = wxSLIDER_DIMENSIONACROSS_ARROW;
	386
	387	if (GetWindowStyle() & wxSL_LABELS)
	388	{
	389	size.y += textheight + wxSLIDER_BORDERTEXT;
	390	size.x += (mintwidth / 2) + (maxtwidth / 2);
	391	}
	392	}
	393
	394	return size;
	395	}
	396
	397	void wxSlider::DoSetSize(int x, int y, int w, int h, int sizeFlags)
	398	{
	399	int yborder = 0;
	400	int minValWidth, maxValWidth, textheight;
	401	int sliderBreadth;
	402	int width = w;
	403
	404	if (GetWindowStyle() & wxSL_LABELS)
	405	{
	406	wxString text;
	407	int ht, valValWidth;
	408
	409	// Get maximum text label width and height
	410	text.Printf(wxT("%d"), ValueInvertOrNot( m_rangeMin ) );
	411	GetTextExtent(text, &minValWidth, &textheight);
	412	text.Printf(wxT("%d"), ValueInvertOrNot( m_rangeMax ) );
	413	GetTextExtent(text, &maxValWidth, &ht);
	414
	415	if (ht > textheight)
	416	textheight = ht;
	417
	418	if (GetWindowStyle() & wxSL_HORIZONTAL)
	419	{
	420	if ( m_macMinimumStatic )
	421	{
	422	w -= minValWidth / 2;
	423	x += minValWidth / 2;
	424	}
	425
	426	if ( m_macMaximumStatic )
	427	w -= maxValWidth / 2;
	428	}
	429
	430	// Labels have this control's parent as their parent
	431	// so if this control is not at 0,0 relative to the parent
	432	// the labels need to know the position of this control
	433	// relative to its parent in order to size properly, so
	434	// move the control first so we can use GetPosition()
	435	wxControl::DoSetSize( x, y, w, h, sizeFlags );
	436
	437	if (GetWindowStyle() & wxSL_VERTICAL)
	438	// If vertical, use current value
	439	text.Printf(wxT("%d"), (int)GetPeer()->GetValue());
	440	else
	441	// Use max so that the current value doesn't drift as centering would need to change
	442	text.Printf(wxT("%d"), m_rangeMax);
	443
	444	GetTextExtent(text, &valValWidth, &ht);
	445
	446	yborder = textheight + wxSLIDER_BORDERTEXT;
	447
	448	// Get slider breadth
	449	if (GetWindowStyle() & wxSL_AUTOTICKS)
	450	sliderBreadth = wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS;
	451	else
	452	sliderBreadth = wxSLIDER_DIMENSIONACROSS_ARROW;
	453
	454	if (GetWindowStyle() & wxSL_VERTICAL)
	455	{
	456	h = h - yborder;
	457
	458	if ( m_macMinimumStatic )
	459	m_macMinimumStatic->Move(GetPosition().x + sliderBreadth + wxSLIDER_BORDERTEXT, GetPosition().y + h - yborder);
	460	if ( m_macMaximumStatic )
	461	m_macMaximumStatic->Move(GetPosition().x + sliderBreadth + wxSLIDER_BORDERTEXT, GetPosition().y + 0);
	462	if ( m_macValueStatic )
	463	m_macValueStatic->Move(GetPosition().x + sliderBreadth + wxSLIDER_BORDERTEXT, GetPosition().y + (h / 2) - (ht / 2));
	464	}
	465	else
	466	{
	467	if ( m_macMinimumStatic )
	468	m_macMinimumStatic->Move(GetPosition().x, GetPosition().y + sliderBreadth + wxSLIDER_BORDERTEXT);
	469	if ( m_macMaximumStatic )
	470	m_macMaximumStatic->Move(GetPosition().x + w - maxValWidth, GetPosition().y + sliderBreadth + wxSLIDER_BORDERTEXT);
	471	if ( m_macValueStatic )
	472	m_macValueStatic->Move(GetPosition().x + (w / 2) - (valValWidth / 2), GetPosition().y + sliderBreadth + wxSLIDER_BORDERTEXT);
	473	}
	474	}
	475
	476	// yet another hack since this is a composite control
	477	// when wxSlider has it's size hardcoded, we're not allowed to
	478	// change the size. But when the control has labels, we DO need
	479	// to resize the internal Mac control to accommodate the text labels.
	480	// We need to trick the wxWidgets resize mechanism so that we can
	481	// resize the slider part of the control ONLY.
	482
	483	// TODO: Can all of this code go in the conditional wxSL_LABELS block?
	484
	485	int minWidth = m_minWidth;
	486
	487	if (GetWindowStyle() & wxSL_LABELS)
	488	{
	489	// make sure we don't allow the entire control to be resized accidently
	490	if (width == GetSize().x)
	491	m_minWidth = -1;
	492	}
	493
	494	// If the control has labels, we still need to call this again because
	495	// the labels alter the control's w and h values.
	496	wxControl::DoSetSize( x, y, w, h, sizeFlags );
	497
	498	m_minWidth = minWidth;
	499	}
	500
	501	void wxSlider::DoMoveWindow(int x, int y, int width, int height)
	502	{
	503	wxControl::DoMoveWindow( x, y, width, height );
	504	}
	505
	506	// Common processing to invert slider values based on wxSL_INVERSE
	507	int wxSlider::ValueInvertOrNot(int value) const
	508	{
	509	int result = 0;
	510
	511	if (m_windowStyle & wxSL_VERTICAL)
	512	{
	513	// The reason for the backwards logic is that Mac's vertical sliders are
	514	// inverted compared to Windows and GTK, hence we want inversion to be the
	515	// default, and if wxSL_INVERSE is set, then we do not invert (use native)
	516	if (m_windowStyle & wxSL_INVERSE)
	517	result = value;
	518	else
	519	result = (m_rangeMax + m_rangeMin) - value;
	520	}
	521	else // normal logic applies to HORIZONTAL sliders
	522	{
	523	result = wxSliderBase::ValueInvertOrNot(value);
	524	}
	525
	526	return result;
	527	}
	528
	529	#endif // wxUSE_SLIDER