src/osx/slider_osx.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        src/osx/slider_osx.cpp
// Purpose:     wxSlider
// Author:      Stefan Csomor
// Modified by:
// Created:     1998-01-01
// 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 0
    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
#endif

    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_SLIDER, 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 accidentally
        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	// Copyright: (c) Stefan Csomor
	8	// Licence: wxWindows licence
	9	/////////////////////////////////////////////////////////////////////////////
	10
	11	#include "wx/wxprec.h"
	12
	13	#if wxUSE_SLIDER
	14
	15	#include "wx/slider.h"
	16	#include "wx/osx/private.h"
	17
	18	BEGIN_EVENT_TABLE(wxSlider, wxControl)
	19	END_EVENT_TABLE()
	20
	21	// The dimensions of the different styles of sliders (from Aqua document)
	22	#if wxOSX_USE_COCOA
	23	#define wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS 28
	24	#define wxSLIDER_DIMENSIONACROSS_ARROW 21
	25	#else
	26	#define wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS 24
	27	#define wxSLIDER_DIMENSIONACROSS_ARROW 18
	28	#endif
	29
	30	// Distance between slider and text
	31	#define wxSLIDER_BORDERTEXT 5
	32
	33	// NB: The default orientation for a slider is horizontal; however, if the user specifies
	34	// some slider styles but doesn't specify the orientation we have to assume he wants a
	35	// horizontal one. Therefore in this file when testing for the slider's orientation
	36	// vertical is tested for if this is not set then we use the horizontal one
	37	// e.g., if (GetWindowStyle() & wxSL_VERTICAL) {} else { horizontal case }.
	38
	39	wxSlider::wxSlider()
	40	{
	41	m_pageSize = 1;
	42	m_lineSize = 1;
	43	m_rangeMax = 0;
	44	m_rangeMin = 0;
	45	m_tickFreq = 0;
	46
	47	m_macMinimumStatic = NULL;
	48	m_macMaximumStatic = NULL;
	49	m_macValueStatic = NULL;
	50	}
	51
	52	bool wxSlider::Create(wxWindow *parent,
	53	wxWindowID id,
	54	int value, int minValue, int maxValue,
	55	const wxPoint& pos,
	56	const wxSize& size, long style,
	57	const wxValidator& validator,
	58	const wxString& name)
	59	{
	60	DontCreatePeer();
	61
	62	m_macMinimumStatic = NULL;
	63	m_macMaximumStatic = NULL;
	64	m_macValueStatic = NULL;
	65
	66	m_lineSize = 1;
	67	m_tickFreq = 0;
	68
	69	m_rangeMax = maxValue;
	70	m_rangeMin = minValue;
	71
	72	m_pageSize = (int)((maxValue - minValue) / 10);
	73
	74	// our styles are redundant: wxSL_LEFT/RIGHT imply wxSL_VERTICAL and
	75	// wxSL_TOP/BOTTOM imply wxSL_HORIZONTAL, but for backwards compatibility
	76	// reasons we can't really change it, instead try to infer the orientation
	77	// from the flags given to us here
	78	switch ( style & (wxSL_LEFT \| wxSL_RIGHT \| wxSL_TOP \| wxSL_BOTTOM) )
	79	{
	80	case wxSL_LEFT:
	81	case wxSL_RIGHT:
	82	style \|= wxSL_VERTICAL;
	83	break;
	84
	85	case wxSL_TOP:
	86	case wxSL_BOTTOM:
	87	style \|= wxSL_HORIZONTAL;
	88	break;
	89
	90	case 0:
	91	default:
	92	// no specific direction, do we have at least the orientation?
	93	if ( !(style & (wxSL_HORIZONTAL \| wxSL_VERTICAL)) )
	94	// no: choose default
	95	style \|= wxSL_BOTTOM \| wxSL_HORIZONTAL;
	96	break;
	97	}
	98
	99	wxASSERT_MSG( !(style & wxSL_VERTICAL) \|\| !(style & wxSL_HORIZONTAL),
	100	wxT("incompatible slider direction and orientation") );
	101
	102	if ( !wxControl::Create(parent, id, pos, size, style, validator, name) )
	103	return false;
	104
	105	SetPeer(wxWidgetImpl::CreateSlider( this, parent, id, value, minValue, maxValue, pos, size, style, GetExtraStyle() ));
	106
	107	#if 0
	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	#endif
	119
	120	if (style & wxSL_LABELS)
	121	{
	122	m_macMinimumStatic = new wxStaticText( parent, wxID_ANY, wxEmptyString );
	123	m_macMaximumStatic = new wxStaticText( parent, wxID_ANY, wxEmptyString );
	124	m_macValueStatic = new wxStaticText( parent, wxID_ANY, wxEmptyString );
	125	}
	126
	127	SetRange(minValue, maxValue);
	128	SetValue(value);
	129
	130	MacPostControlCreate(pos, size);
	131
	132	return true;
	133	}
	134
	135	wxSlider::~wxSlider()
	136	{
	137	// this is a special case, as we had to add windows as siblings we are
	138	// responsible for their disposal, but only if we are not part of a DestroyAllChildren
	139	if ( m_parent && !m_parent->IsBeingDeleted() )
	140	{
	141	delete m_macMinimumStatic;
	142	delete m_macMaximumStatic;
	143	delete m_macValueStatic;
	144	}
	145	}
	146
	147	int wxSlider::GetValue() const
	148	{
	149	// We may need to invert the value returned by the widget
	150	return ValueInvertOrNot( GetPeer()->GetValue() ) ;
	151	}
	152
	153	void wxSlider::SetValue(int value)
	154	{
	155	if ( m_macValueStatic )
	156	{
	157	wxString valuestring;
	158	valuestring.Printf( wxT("%d"), value );
	159	m_macValueStatic->SetLabel( valuestring );
	160	}
	161
	162	// We only invert for the setting of the actual native widget
	163	GetPeer()->SetValue( ValueInvertOrNot( value ) );
	164	}
	165
	166	void wxSlider::SetRange(int minValue, int maxValue)
	167	{
	168	// Changing the range preserves the value of the native control but may
	169	// change our logical value if we're inverting the native value to get it
	170	// as ValueInvertOrNot() depends on the range so preserve it before
	171	// changing the range.
	172	const int valueOld = GetValue();
	173
	174	wxString value;
	175
	176	m_rangeMin = minValue;
	177	m_rangeMax = maxValue;
	178
	179	GetPeer()->SetMinimum( m_rangeMin );
	180	GetPeer()->SetMaximum( m_rangeMax );
	181
	182	if (m_macMinimumStatic)
	183	{
	184	value.Printf( wxT("%d"), ValueInvertOrNot( m_rangeMin ) );
	185	m_macMinimumStatic->SetLabel( value );
	186	}
	187
	188	if (m_macMaximumStatic)
	189	{
	190	value.Printf( wxT("%d"), ValueInvertOrNot( m_rangeMax ) );
	191	m_macMaximumStatic->SetLabel( value );
	192	}
	193
	194	// If the range is out of bounds, set it to a
	195	// value that is within bounds
	196	// RN: Testing reveals OSX does its own
	197	// bounding, perhaps this isn't needed?
	198	int currentValue = GetValue();
	199
	200	if(currentValue < m_rangeMin)
	201	SetValue(m_rangeMin);
	202	else if(currentValue > m_rangeMax)
	203	SetValue(m_rangeMax);
	204
	205	// Ensure that our value didn't change.
	206	SetValue(valueOld);
	207	}
	208
	209	// For trackbars only
	210	void wxSlider::DoSetTickFreq(int n)
	211	{
	212	// TODO
	213	m_tickFreq = n;
	214	}
	215
	216	void wxSlider::SetPageSize(int pageSize)
	217	{
	218	// TODO
	219	m_pageSize = pageSize;
	220	}
	221
	222	int wxSlider::GetPageSize() const
	223	{
	224	return m_pageSize;
	225	}
	226
	227	void wxSlider::ClearSel()
	228	{
	229	// TODO
	230	}
	231
	232	void wxSlider::ClearTicks()
	233	{
	234	// TODO
	235	}
	236
	237	void wxSlider::SetLineSize(int lineSize)
	238	{
	239	m_lineSize = lineSize;
	240	// TODO
	241	}
	242
	243	int wxSlider::GetLineSize() const
	244	{
	245	// TODO
	246	return m_lineSize;
	247	}
	248
	249	int wxSlider::GetSelEnd() const
	250	{
	251	// TODO
	252	return 0;
	253	}
	254
	255	int wxSlider::GetSelStart() const
	256	{
	257	// TODO
	258	return 0;
	259	}
	260
	261	void wxSlider::SetSelection(int WXUNUSED(minPos), int WXUNUSED(maxPos))
	262	{
	263	// TODO
	264	}
	265
	266	void wxSlider::SetThumbLength(int WXUNUSED(len))
	267	{
	268	// TODO
	269	}
	270
	271	int wxSlider::GetThumbLength() const
	272	{
	273	// TODO
	274	return 0;
	275	}
	276
	277	void wxSlider::SetTick(int WXUNUSED(tickPos))
	278	{
	279	// TODO
	280	}
	281
	282	void wxSlider::Command(wxCommandEvent &event)
	283	{
	284	SetValue(event.GetInt());
	285	ProcessCommand(event);
	286	}
	287
	288	void wxSlider::TriggerScrollEvent( wxEventType scrollEvent)
	289	{
	290	// Whatever the native value is, we may need to invert it for calling
	291	// SetValue and putting the possibly inverted value in the event
	292	int value = ValueInvertOrNot( GetPeer()->GetValue() );
	293
	294	SetValue( value );
	295
	296	wxScrollEvent event( scrollEvent, m_windowId );
	297	event.SetPosition( value );
	298	event.SetEventObject( this );
	299	HandleWindowEvent( event );
	300
	301	wxCommandEvent cevent( wxEVT_SLIDER, m_windowId );
	302	cevent.SetInt( value );
	303	cevent.SetEventObject( this );
	304	HandleWindowEvent( cevent );
	305	}
	306
	307	bool wxSlider::OSXHandleClicked( double WXUNUSED(timestampsec) )
	308	{
	309	TriggerScrollEvent(wxEVT_SCROLL_THUMBRELEASE);
	310
	311	return true;
	312	}
	313
	314	// This is overloaded in wxSlider so that the proper width/height will always be used
	315	// for the slider different values would cause redrawing and mouse detection problems
	316	//
	317	void wxSlider::DoSetSizeHints( int minW, int minH,
	318	int maxW, int maxH,
	319	int WXUNUSED(incW), int WXUNUSED(incH) )
	320	{
	321	wxSize size = GetBestSize();
	322
	323	if (GetWindowStyle() & wxSL_VERTICAL)
	324	{
	325	SetMinSize( wxSize(size.x,minH) );
	326	SetMaxSize( wxSize(size.x,maxH) );
	327	}
	328	else
	329	{
	330	SetMinSize( wxSize(minW,size.y) );
	331	SetMaxSize( wxSize(maxW,size.y) );
	332	}
	333	}
	334
	335	wxSize wxSlider::DoGetBestSize() const
	336	{
	337	wxSize size;
	338	int textwidth, textheight;
	339	int mintwidth, mintheight;
	340	int maxtwidth, maxtheight;
	341
	342	textwidth = textheight = 0;
	343	mintwidth = mintheight = 0;
	344	maxtwidth = maxtheight = 0;
	345
	346	if (GetWindowStyle() & wxSL_LABELS)
	347	{
	348	wxString text;
	349
	350	// Get maximum text label width and height
	351	text.Printf( wxT("%d"), ValueInvertOrNot( m_rangeMin ) );
	352	GetTextExtent(text, &mintwidth, &mintheight);
	353	text.Printf( wxT("%d"), ValueInvertOrNot( m_rangeMax ) );
	354	GetTextExtent(text, &maxtwidth, &maxtheight);
	355
	356	if (maxtheight > mintheight)
	357	textheight = maxtheight;
	358	else
	359	textheight = mintheight;
	360
	361	if (maxtwidth > mintwidth)
	362	textwidth = maxtwidth;
	363	else
	364	textwidth = mintwidth;
	365	}
	366
	367	if (GetWindowStyle() & wxSL_VERTICAL)
	368	{
	369	size.y = 150;
	370
	371	if (GetWindowStyle() & wxSL_AUTOTICKS)
	372	size.x = wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS;
	373	else
	374	size.x = wxSLIDER_DIMENSIONACROSS_ARROW;
	375
	376	if (GetWindowStyle() & wxSL_LABELS)
	377	size.x += textwidth + wxSLIDER_BORDERTEXT;
	378	}
	379	else
	380	{
	381	size.x = 150;
	382
	383	if (GetWindowStyle() & wxSL_AUTOTICKS)
	384	size.y = wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS;
	385	else
	386	size.y = wxSLIDER_DIMENSIONACROSS_ARROW;
	387
	388	if (GetWindowStyle() & wxSL_LABELS)
	389	{
	390	size.y += textheight + wxSLIDER_BORDERTEXT;
	391	size.x += (mintwidth / 2) + (maxtwidth / 2);
	392	}
	393	}
	394
	395	return size;
	396	}
	397
	398	void wxSlider::DoSetSize(int x, int y, int w, int h, int sizeFlags)
	399	{
	400	int yborder = 0;
	401	int minValWidth, maxValWidth, textheight;
	402	int sliderBreadth;
	403	int width = w;
	404
	405	if (GetWindowStyle() & wxSL_LABELS)
	406	{
	407	wxString text;
	408	int ht, valValWidth;
	409
	410	// Get maximum text label width and height
	411	text.Printf(wxT("%d"), ValueInvertOrNot( m_rangeMin ) );
	412	GetTextExtent(text, &minValWidth, &textheight);
	413	text.Printf(wxT("%d"), ValueInvertOrNot( m_rangeMax ) );
	414	GetTextExtent(text, &maxValWidth, &ht);
	415
	416	if (ht > textheight)
	417	textheight = ht;
	418
	419	if (GetWindowStyle() & wxSL_HORIZONTAL)
	420	{
	421	if ( m_macMinimumStatic )
	422	{
	423	w -= minValWidth / 2;
	424	x += minValWidth / 2;
	425	}
	426
	427	if ( m_macMaximumStatic )
	428	w -= maxValWidth / 2;
	429	}
	430
	431	// Labels have this control's parent as their parent
	432	// so if this control is not at 0,0 relative to the parent
	433	// the labels need to know the position of this control
	434	// relative to its parent in order to size properly, so
	435	// move the control first so we can use GetPosition()
	436	wxControl::DoSetSize( x, y, w, h, sizeFlags );
	437
	438	if (GetWindowStyle() & wxSL_VERTICAL)
	439	// If vertical, use current value
	440	text.Printf(wxT("%d"), (int)GetPeer()->GetValue());
	441	else
	442	// Use max so that the current value doesn't drift as centering would need to change
	443	text.Printf(wxT("%d"), m_rangeMax);
	444
	445	GetTextExtent(text, &valValWidth, &ht);
	446
	447	yborder = textheight + wxSLIDER_BORDERTEXT;
	448
	449	// Get slider breadth
	450	if (GetWindowStyle() & wxSL_AUTOTICKS)
	451	sliderBreadth = wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS;
	452	else
	453	sliderBreadth = wxSLIDER_DIMENSIONACROSS_ARROW;
	454
	455	if (GetWindowStyle() & wxSL_VERTICAL)
	456	{
	457	h = h - yborder;
	458
	459	if ( m_macMinimumStatic )
	460	m_macMinimumStatic->Move(GetPosition().x + sliderBreadth + wxSLIDER_BORDERTEXT, GetPosition().y + h - yborder);
	461	if ( m_macMaximumStatic )
	462	m_macMaximumStatic->Move(GetPosition().x + sliderBreadth + wxSLIDER_BORDERTEXT, GetPosition().y + 0);
	463	if ( m_macValueStatic )
	464	m_macValueStatic->Move(GetPosition().x + sliderBreadth + wxSLIDER_BORDERTEXT, GetPosition().y + (h / 2) - (ht / 2));
	465	}
	466	else
	467	{
	468	if ( m_macMinimumStatic )
	469	m_macMinimumStatic->Move(GetPosition().x, GetPosition().y + sliderBreadth + wxSLIDER_BORDERTEXT);
	470	if ( m_macMaximumStatic )
	471	m_macMaximumStatic->Move(GetPosition().x + w - maxValWidth, GetPosition().y + sliderBreadth + wxSLIDER_BORDERTEXT);
	472	if ( m_macValueStatic )
	473	m_macValueStatic->Move(GetPosition().x + (w / 2) - (valValWidth / 2), GetPosition().y + sliderBreadth + wxSLIDER_BORDERTEXT);
	474	}
	475	}
	476
	477	// yet another hack since this is a composite control
	478	// when wxSlider has it's size hardcoded, we're not allowed to
	479	// change the size. But when the control has labels, we DO need
	480
	481	// to resize the internal Mac control to accommodate the text labels.
	482	// We need to trick the wxWidgets resize mechanism so that we can
	483	// resize the slider part of the control ONLY.
	484
	485	// TODO: Can all of this code go in the conditional wxSL_LABELS block?
	486
	487	int minWidth = m_minWidth;
	488
	489	if (GetWindowStyle() & wxSL_LABELS)
	490	{
	491	// make sure we don't allow the entire control to be resized accidentally
	492	if (width == GetSize().x)
	493	m_minWidth = -1;
	494	}
	495
	496	// If the control has labels, we still need to call this again because
	497	// the labels alter the control's w and h values.
	498	wxControl::DoSetSize( x, y, w, h, sizeFlags );
	499
	500	m_minWidth = minWidth;
	501	}
	502
	503	void wxSlider::DoMoveWindow(int x, int y, int width, int height)
	504	{
	505	wxControl::DoMoveWindow( x, y, width, height );
	506	}
	507
	508	// Common processing to invert slider values based on wxSL_INVERSE
	509	int wxSlider::ValueInvertOrNot(int value) const
	510	{
	511	int result = 0;
	512
	513	if (m_windowStyle & wxSL_VERTICAL)
	514	{
	515	// The reason for the backwards logic is that Mac's vertical sliders are
	516	// inverted compared to Windows and GTK, hence we want inversion to be the
	517	// default, and if wxSL_INVERSE is set, then we do not invert (use native)
	518	if (m_windowStyle & wxSL_INVERSE)
	519	result = value;
	520	else
	521	result = (m_rangeMax + m_rangeMin) - value;
	522	}
	523	else // normal logic applies to HORIZONTAL sliders
	524	{
	525	result = wxSliderBase::ValueInvertOrNot(value);
	526	}
	527
	528	return result;
	529	}
	530
	531	#endif // wxUSE_SLIDER