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: slider.cpp 54129 2008-06-11 19:30:52Z SC $
// Copyright:   (c) Stefan Csomor
// Licence:       wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#include "wx/wxprec.h"

#if wxUSE_SLIDER

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

IMPLEMENT_DYNAMIC_CLASS(wxSlider, wxControl)

BEGIN_EVENT_TABLE(wxSlider, wxControl)
END_EVENT_TABLE()

 // The dimensions of the different styles of sliders (from Aqua document)
#ifdef 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)
{
    m_macIsUserPane = false;

    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;

    m_peer = 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( m_peer->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
    m_peer->SetValue( ValueInvertOrNot( value ) );
}

void wxSlider::SetRange(int minValue, int maxValue)
{
    wxString value;

    m_rangeMin = minValue;
    m_rangeMax = maxValue;

    m_peer->SetMinimum( m_rangeMin );
    m_peer->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);
}

// For trackbars only
void wxSlider::SetTickFreq(int n, int WXUNUSED(pos))
{
    // 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( m_peer->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)m_peer->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: slider.cpp 54129 2008-06-11 19:30:52Z SC $
	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	IMPLEMENT_DYNAMIC_CLASS(wxSlider, wxControl)
	20
	21	BEGIN_EVENT_TABLE(wxSlider, wxControl)
	22	END_EVENT_TABLE()
	23
	24	// The dimensions of the different styles of sliders (from Aqua document)
	25	#ifdef wxOSX_USE_COCOA
	26	#define wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS 28
	27	#define wxSLIDER_DIMENSIONACROSS_ARROW 21
	28	#else
	29	#define wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS 24
	30	#define wxSLIDER_DIMENSIONACROSS_ARROW 18
	31	#endif
	32
	33	// Distance between slider and text
	34	#define wxSLIDER_BORDERTEXT 5
	35
	36	// NB: The default orientation for a slider is horizontal; however, if the user specifies
	37	// some slider styles but doesn't specify the orientation we have to assume he wants a
	38	// horizontal one. Therefore in this file when testing for the slider's orientation
	39	// vertical is tested for if this is not set then we use the horizontal one
	40	// e.g., if (GetWindowStyle() & wxSL_VERTICAL) {} else { horizontal case }.
	41
	42	wxSlider::wxSlider()
	43	{
	44	m_pageSize = 1;
	45	m_lineSize = 1;
	46	m_rangeMax = 0;
	47	m_rangeMin = 0;
	48	m_tickFreq = 0;
	49
	50	m_macMinimumStatic = NULL;
	51	m_macMaximumStatic = NULL;
	52	m_macValueStatic = NULL;
	53	}
	54
	55	bool wxSlider::Create(wxWindow *parent,
	56	wxWindowID id,
	57	int value, int minValue, int maxValue,
	58	const wxPoint& pos,
	59	const wxSize& size, long style,
	60	const wxValidator& validator,
	61	const wxString& name)
	62	{
	63	m_macIsUserPane = false;
	64
	65	m_macMinimumStatic = NULL;
	66	m_macMaximumStatic = NULL;
	67	m_macValueStatic = NULL;
	68
	69	m_lineSize = 1;
	70	m_tickFreq = 0;
	71
	72	m_rangeMax = maxValue;
	73	m_rangeMin = minValue;
	74
	75	m_pageSize = (int)((maxValue - minValue) / 10);
	76
	77	// our styles are redundant: wxSL_LEFT/RIGHT imply wxSL_VERTICAL and
	78	// wxSL_TOP/BOTTOM imply wxSL_HORIZONTAL, but for backwards compatibility
	79	// reasons we can't really change it, instead try to infer the orientation
	80	// from the flags given to us here
	81	switch ( style & (wxSL_LEFT \| wxSL_RIGHT \| wxSL_TOP \| wxSL_BOTTOM) )
	82	{
	83	case wxSL_LEFT:
	84	case wxSL_RIGHT:
	85	style \|= wxSL_VERTICAL;
	86	break;
	87
	88	case wxSL_TOP:
	89	case wxSL_BOTTOM:
	90	style \|= wxSL_HORIZONTAL;
	91	break;
	92
	93	case 0:
	94	default:
	95	// no specific direction, do we have at least the orientation?
	96	if ( !(style & (wxSL_HORIZONTAL \| wxSL_VERTICAL)) )
	97	// no: choose default
	98	style \|= wxSL_BOTTOM \| wxSL_HORIZONTAL;
	99	break;
	100	}
	101
	102	wxASSERT_MSG( !(style & wxSL_VERTICAL) \|\| !(style & wxSL_HORIZONTAL),
	103	wxT("incompatible slider direction and orientation") );
	104
	105	if ( !wxControl::Create(parent, id, pos, size, style, validator, name) )
	106	return false;
	107
	108	m_peer = wxWidgetImpl::CreateSlider( this, parent, id, value, minValue, maxValue, pos, size, style, GetExtraStyle() );
	109
	110	if (style & wxSL_VERTICAL)
	111	// Forces SetSize to use the proper width
	112	SetSizeHints(10, -1, 10, -1);
	113	else
	114	// Forces SetSize to use the proper height
	115	SetSizeHints(-1, 10, -1, 10);
	116
	117	// NB: SetSizeHints is overloaded by wxSlider and will substitute 10 with the
	118	// proper dimensions, it also means other people cannot bugger the slider with
	119	// other values
	120
	121	if (style & wxSL_LABELS)
	122	{
	123	m_macMinimumStatic = new wxStaticText( parent, wxID_ANY, wxEmptyString );
	124	m_macMaximumStatic = new wxStaticText( parent, wxID_ANY, wxEmptyString );
	125	m_macValueStatic = new wxStaticText( parent, wxID_ANY, wxEmptyString );
	126	}
	127
	128	SetRange(minValue, maxValue);
	129	SetValue(value);
	130
	131	MacPostControlCreate(pos, size);
	132
	133	return true;
	134	}
	135
	136	wxSlider::~wxSlider()
	137	{
	138	// this is a special case, as we had to add windows as siblings we are
	139	// responsible for their disposal, but only if we are not part of a DestroyAllChildren
	140	if ( m_parent && !m_parent->IsBeingDeleted() )
	141	{
	142	delete m_macMinimumStatic;
	143	delete m_macMaximumStatic;
	144	delete m_macValueStatic;
	145	}
	146	}
	147
	148	int wxSlider::GetValue() const
	149	{
	150	// We may need to invert the value returned by the widget
	151	return ValueInvertOrNot( m_peer->GetValue() ) ;
	152	}
	153
	154	void wxSlider::SetValue(int value)
	155	{
	156	if ( m_macValueStatic )
	157	{
	158	wxString valuestring;
	159	valuestring.Printf( wxT("%d"), value );
	160	m_macValueStatic->SetLabel( valuestring );
	161	}
	162
	163	// We only invert for the setting of the actual native widget
	164	m_peer->SetValue( ValueInvertOrNot( value ) );
	165	}
	166
	167	void wxSlider::SetRange(int minValue, int maxValue)
	168	{
	169	wxString value;
	170
	171	m_rangeMin = minValue;
	172	m_rangeMax = maxValue;
	173
	174	m_peer->SetMinimum( m_rangeMin );
	175	m_peer->SetMaximum( m_rangeMax );
	176
	177	if (m_macMinimumStatic)
	178	{
	179	value.Printf( wxT("%d"), ValueInvertOrNot( m_rangeMin ) );
	180	m_macMinimumStatic->SetLabel( value );
	181	}
	182
	183	if (m_macMaximumStatic)
	184	{
	185	value.Printf( wxT("%d"), ValueInvertOrNot( m_rangeMax ) );
	186	m_macMaximumStatic->SetLabel( value );
	187	}
	188
	189	// If the range is out of bounds, set it to a
	190	// value that is within bounds
	191	// RN: Testing reveals OSX does its own
	192	// bounding, perhaps this isn't needed?
	193	int currentValue = GetValue();
	194
	195	if(currentValue < m_rangeMin)
	196	SetValue(m_rangeMin);
	197	else if(currentValue > m_rangeMax)
	198	SetValue(m_rangeMax);
	199	}
	200
	201	// For trackbars only
	202	void wxSlider::SetTickFreq(int n, int WXUNUSED(pos))
	203	{
	204	// TODO
	205	m_tickFreq = n;
	206	}
	207
	208	void wxSlider::SetPageSize(int pageSize)
	209	{
	210	// TODO
	211	m_pageSize = pageSize;
	212	}
	213
	214	int wxSlider::GetPageSize() const
	215	{
	216	return m_pageSize;
	217	}
	218
	219	void wxSlider::ClearSel()
	220	{
	221	// TODO
	222	}
	223
	224	void wxSlider::ClearTicks()
	225	{
	226	// TODO
	227	}
	228
	229	void wxSlider::SetLineSize(int lineSize)
	230	{
	231	m_lineSize = lineSize;
	232	// TODO
	233	}
	234
	235	int wxSlider::GetLineSize() const
	236	{
	237	// TODO
	238	return m_lineSize;
	239	}
	240
	241	int wxSlider::GetSelEnd() const
	242	{
	243	// TODO
	244	return 0;
	245	}
	246
	247	int wxSlider::GetSelStart() const
	248	{
	249	// TODO
	250	return 0;
	251	}
	252
	253	void wxSlider::SetSelection(int WXUNUSED(minPos), int WXUNUSED(maxPos))
	254	{
	255	// TODO
	256	}
	257
	258	void wxSlider::SetThumbLength(int WXUNUSED(len))
	259	{
	260	// TODO
	261	}
	262
	263	int wxSlider::GetThumbLength() const
	264	{
	265	// TODO
	266	return 0;
	267	}
	268
	269	void wxSlider::SetTick(int WXUNUSED(tickPos))
	270	{
	271	// TODO
	272	}
	273
	274	void wxSlider::Command(wxCommandEvent &event)
	275	{
	276	SetValue(event.GetInt());
	277	ProcessCommand(event);
	278	}
	279
	280	void wxSlider::TriggerScrollEvent( wxEventType scrollEvent)
	281	{
	282	// Whatever the native value is, we may need to invert it for calling
	283	// SetValue and putting the possibly inverted value in the event
	284	int value = ValueInvertOrNot( m_peer->GetValue() );
	285
	286	SetValue( value );
	287
	288	wxScrollEvent event( scrollEvent, m_windowId );
	289	event.SetPosition( value );
	290	event.SetEventObject( this );
	291	HandleWindowEvent( event );
	292
	293	wxCommandEvent cevent( wxEVT_COMMAND_SLIDER_UPDATED, m_windowId );
	294	cevent.SetInt( value );
	295	cevent.SetEventObject( this );
	296	HandleWindowEvent( cevent );
	297	}
	298
	299	bool wxSlider::OSXHandleClicked( double WXUNUSED(timestampsec) )
	300	{
	301	TriggerScrollEvent(wxEVT_SCROLL_THUMBRELEASE);
	302
	303	return true;
	304	}
	305
	306	// This is overloaded in wxSlider so that the proper width/height will always be used
	307	// for the slider different values would cause redrawing and mouse detection problems
	308	//
	309	void wxSlider::DoSetSizeHints( int minW, int minH,
	310	int maxW, int maxH,
	311	int WXUNUSED(incW), int WXUNUSED(incH) )
	312	{
	313	wxSize size = GetBestSize();
	314
	315	if (GetWindowStyle() & wxSL_VERTICAL)
	316	{
	317	SetMinSize( wxSize(size.x,minH) );
	318	SetMaxSize( wxSize(size.x,maxH) );
	319	}
	320	else
	321	{
	322	SetMinSize( wxSize(minW,size.y) );
	323	SetMaxSize( wxSize(maxW,size.y) );
	324	}
	325	}
	326
	327	wxSize wxSlider::DoGetBestSize() const
	328	{
	329	wxSize size;
	330	int textwidth, textheight;
	331	int mintwidth, mintheight;
	332	int maxtwidth, maxtheight;
	333
	334	textwidth = textheight = 0;
	335	mintwidth = mintheight = 0;
	336	maxtwidth = maxtheight = 0;
	337
	338	if (GetWindowStyle() & wxSL_LABELS)
	339	{
	340	wxString text;
	341
	342	// Get maximum text label width and height
	343	text.Printf( wxT("%d"), ValueInvertOrNot( m_rangeMin ) );
	344	GetTextExtent(text, &mintwidth, &mintheight);
	345	text.Printf( wxT("%d"), ValueInvertOrNot( m_rangeMax ) );
	346	GetTextExtent(text, &maxtwidth, &maxtheight);
	347
	348	if (maxtheight > mintheight)
	349	textheight = maxtheight;
	350	else
	351	textheight = mintheight;
	352
	353	if (maxtwidth > mintwidth)
	354	textwidth = maxtwidth;
	355	else
	356	textwidth = mintwidth;
	357	}
	358
	359	if (GetWindowStyle() & wxSL_VERTICAL)
	360	{
	361	size.y = 150;
	362
	363	if (GetWindowStyle() & wxSL_AUTOTICKS)
	364	size.x = wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS;
	365	else
	366	size.x = wxSLIDER_DIMENSIONACROSS_ARROW;
	367
	368	if (GetWindowStyle() & wxSL_LABELS)
	369	size.x += textwidth + wxSLIDER_BORDERTEXT;
	370	}
	371	else
	372	{
	373	size.x = 150;
	374
	375	if (GetWindowStyle() & wxSL_AUTOTICKS)
	376	size.y = wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS;
	377	else
	378	size.y = wxSLIDER_DIMENSIONACROSS_ARROW;
	379
	380	if (GetWindowStyle() & wxSL_LABELS)
	381	{
	382	size.y += textheight + wxSLIDER_BORDERTEXT;
	383	size.x += (mintwidth / 2) + (maxtwidth / 2);
	384	}
	385	}
	386
	387	return size;
	388	}
	389
	390	void wxSlider::DoSetSize(int x, int y, int w, int h, int sizeFlags)
	391	{
	392	int yborder = 0;
	393	int minValWidth, maxValWidth, textheight;
	394	int sliderBreadth;
	395	int width = w;
	396
	397	if (GetWindowStyle() & wxSL_LABELS)
	398	{
	399	wxString text;
	400	int ht, valValWidth;
	401
	402	// Get maximum text label width and height
	403	text.Printf(wxT("%d"), ValueInvertOrNot( m_rangeMin ) );
	404	GetTextExtent(text, &minValWidth, &textheight);
	405	text.Printf(wxT("%d"), ValueInvertOrNot( m_rangeMax ) );
	406	GetTextExtent(text, &maxValWidth, &ht);
	407
	408	if (ht > textheight)
	409	textheight = ht;
	410
	411	if (GetWindowStyle() & wxSL_HORIZONTAL)
	412	{
	413	if ( m_macMinimumStatic )
	414	{
	415	w -= minValWidth / 2;
	416	x += minValWidth / 2;
	417	}
	418
	419	if ( m_macMaximumStatic )
	420	w -= maxValWidth / 2;
	421	}
	422
	423	// Labels have this control's parent as their parent
	424	// so if this control is not at 0,0 relative to the parent
	425	// the labels need to know the position of this control
	426	// relative to its parent in order to size properly, so
	427	// move the control first so we can use GetPosition()
	428	wxControl::DoSetSize( x, y, w, h, sizeFlags );
	429
	430	if (GetWindowStyle() & wxSL_VERTICAL)
	431	// If vertical, use current value
	432	text.Printf(wxT("%d"), (int)m_peer->GetValue());
	433	else
	434	// Use max so that the current value doesn't drift as centering would need to change
	435	text.Printf(wxT("%d"), m_rangeMax);
	436
	437	GetTextExtent(text, &valValWidth, &ht);
	438
	439	yborder = textheight + wxSLIDER_BORDERTEXT;
	440
	441	// Get slider breadth
	442	if (GetWindowStyle() & wxSL_AUTOTICKS)
	443	sliderBreadth = wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS;
	444	else
	445	sliderBreadth = wxSLIDER_DIMENSIONACROSS_ARROW;
	446
	447	if (GetWindowStyle() & wxSL_VERTICAL)
	448	{
	449	h = h - yborder;
	450
	451	if ( m_macMinimumStatic )
	452	m_macMinimumStatic->Move(GetPosition().x + sliderBreadth + wxSLIDER_BORDERTEXT, GetPosition().y + h - yborder);
	453	if ( m_macMaximumStatic )
	454	m_macMaximumStatic->Move(GetPosition().x + sliderBreadth + wxSLIDER_BORDERTEXT, GetPosition().y + 0);
	455	if ( m_macValueStatic )
	456	m_macValueStatic->Move(GetPosition().x + sliderBreadth + wxSLIDER_BORDERTEXT, GetPosition().y + (h / 2) - (ht / 2));
	457	}
	458	else
	459	{
	460	if ( m_macMinimumStatic )
	461	m_macMinimumStatic->Move(GetPosition().x, GetPosition().y + sliderBreadth + wxSLIDER_BORDERTEXT);
	462	if ( m_macMaximumStatic )
	463	m_macMaximumStatic->Move(GetPosition().x + w - maxValWidth, GetPosition().y + sliderBreadth + wxSLIDER_BORDERTEXT);
	464	if ( m_macValueStatic )
	465	m_macValueStatic->Move(GetPosition().x + (w / 2) - (valValWidth / 2), GetPosition().y + sliderBreadth + wxSLIDER_BORDERTEXT);
	466	}
	467	}
	468
	469	// yet another hack since this is a composite control
	470	// when wxSlider has it's size hardcoded, we're not allowed to
	471	// change the size. But when the control has labels, we DO need
	472	// to resize the internal Mac control to accommodate the text labels.
	473	// We need to trick the wxWidgets resize mechanism so that we can
	474	// resize the slider part of the control ONLY.
	475
	476	// TODO: Can all of this code go in the conditional wxSL_LABELS block?
	477
	478	int minWidth = m_minWidth;
	479
	480	if (GetWindowStyle() & wxSL_LABELS)
	481	{
	482	// make sure we don't allow the entire control to be resized accidently
	483	if (width == GetSize().x)
	484	m_minWidth = -1;
	485	}
	486
	487	// If the control has labels, we still need to call this again because
	488	// the labels alter the control's w and h values.
	489	wxControl::DoSetSize( x, y, w, h, sizeFlags );
	490
	491	m_minWidth = minWidth;
	492	}
	493
	494	void wxSlider::DoMoveWindow(int x, int y, int width, int height)
	495	{
	496	wxControl::DoMoveWindow( x, y, width, height );
	497	}
	498
	499	// Common processing to invert slider values based on wxSL_INVERSE
	500	int wxSlider::ValueInvertOrNot(int value) const
	501	{
	502	int result = 0;
	503
	504	if (m_windowStyle & wxSL_VERTICAL)
	505	{
	506	// The reason for the backwards logic is that Mac's vertical sliders are
	507	// inverted compared to Windows and GTK, hence we want inversion to be the
	508	// default, and if wxSL_INVERSE is set, then we do not invert (use native)
	509	if (m_windowStyle & wxSL_INVERSE)
	510	result = value;
	511	else
	512	result = (m_rangeMax + m_rangeMin) - value;
	513	}
	514	else // normal logic applies to HORIZONTAL sliders
	515	{
	516	result = wxSliderBase::ValueInvertOrNot(value);
	517	}
	518
	519	return result;
	520	}
	521
	522	#endif // wxUSE_SLIDER