// Created: 1998-01-01
// RCS-ID: $Id$
// Copyright: (c) Stefan Csomor
-// Licence: wxWindows licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "slider.h"
#endif
+#include "wx/wxprec.h"
+
+#if wxUSE_SLIDER
+
#include "wx/slider.h"
#include "wx/mac/uma.h"
-#if !USE_SHARED_LIBRARY
IMPLEMENT_DYNAMIC_CLASS(wxSlider, wxControl)
BEGIN_EVENT_TABLE(wxSlider, wxControl)
END_EVENT_TABLE()
-#endif
// The dimensions of the different styles of sliders (From Aqua document)
- #define wxSLIDER_DIMENSIONACROSS 15
- #define wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS 24
- #define wxSLIDER_DIMENSIONACROSS_ARROW 18
-
- // 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 dosen't specify the orientation we have to assume he wants a
- * horizontal one. Therefore in this file when testing for the sliders orientation
- * vertical is tested for if this is not set then we use the horizontal one
- * eg. if(GetWindowStyle() & wxSL_VERTICAL) {} else { horizontal case }>
- */
-
-
-// Slider
-wxSlider::wxSlider()
+#define wxSLIDER_DIMENSIONACROSS 15
+#define wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS 24
+#define wxSLIDER_DIMENSIONACROSS_ARROW 18
+
+// 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 dosen't specify the orientation we have to assume he wants a
+ * horizontal one. Therefore in this file when testing for the sliders orientation
+ * vertical is tested for if this is not set then we use the horizontal one
+ * eg. if(GetWindowStyle() & wxSL_VERTICAL) {} else { horizontal case }>
+ */
+
+ // Slider
+ wxSlider::wxSlider()
{
- m_pageSize = 1;
- m_lineSize = 1;
- m_rangeMax = 0;
- m_rangeMin = 0;
- m_tickFreq = 0;
+ m_pageSize = 1;
+ m_lineSize = 1;
+ m_rangeMax = 0;
+ m_rangeMin = 0;
+ m_tickFreq = 0;
}
-extern ControlActionUPP wxMacLiveScrollbarActionUPP ;
-
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)
+ int value, int minValue, int maxValue,
+ const wxPoint& pos,
+ const wxSize& size, long style,
+ const wxValidator& validator,
+ const wxString& name)
{
- Rect bounds ;
- Str255 title ;
- SInt16 procID;
-
- 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);
-
- MacPreControlCreate( parent, id, "", pos, size, style,
- validator, name, &bounds, title );
-
- procID = kControlSliderProc + kControlSliderLiveFeedback;
- if(style & wxSL_AUTOTICKS) {
- procID += kControlSliderHasTickMarks;
+ m_macIsUserPane = false ;
+
+ if ( !wxControl::Create(parent, id, pos, size, style, validator, name) )
+ return 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);
+
+ Rect bounds = wxMacGetBoundsForControl( this , pos , size ) ;
+
+ //
+ // NB: (RN) Ticks here are sometimes off in the GUI if there
+ // is not as many ticks as there are values
+ //
+ UInt16 tickMarks = 0 ;
+ if ( style & wxSL_AUTOTICKS )
+ tickMarks = (maxValue - minValue) + 1; //+1 for the 0 value
+
+ while (tickMarks > 20)
+ tickMarks /= 5; //keep the number of tickmarks from becoming unwieldly
+
+ m_peer = new wxMacControl(this) ;
+ verify_noerr ( CreateSliderControl( MAC_WXHWND(parent->MacGetTopLevelWindowRef()) , &bounds ,
+ value , minValue , maxValue , kControlSliderPointsDownOrRight , tickMarks , true /* liveTracking */ ,
+ GetwxMacLiveScrollbarActionProc() , m_peer->GetControlRefAddr() ) );
+
+
+ if(style & wxSL_VERTICAL) {
+ SetSizeHints(10, -1, 10, -1); // Forces SetSize to use the proper width
}
-
-
- m_macControl = ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()), &bounds, title, false,
- value, minValue, maxValue, procID, (long) this);
-
- wxASSERT_MSG( (ControlHandle) m_macControl != NULL , "No valid mac control" ) ;
-
- ::SetControlAction( (ControlHandle) m_macControl , wxMacLiveScrollbarActionUPP ) ;
-
- if(style & wxSL_LABELS)
- {
- m_macMinimumStatic = new wxStaticText( this, -1, "" );
- m_macMaximumStatic = new wxStaticText( this, -1, "" );
- m_macValueStatic = new wxStaticText( this, -1, "" );
- SetRange(minValue, maxValue);
- SetValue(value);
+ else {
+ SetSizeHints(-1, 10, -1, 10); // Forces SetSize to use the proper height
}
-
- else {
- m_macMinimumStatic = NULL ;
- m_macMaximumStatic = NULL ;
- m_macValueStatic = NULL ;
- }
-
- if(style & wxSL_VERTICAL) {
- SetSizeHints(10, -1, 10, -1); // Forces SetSize to use the proper width
- }
- else {
- SetSizeHints(-1, 10, -1, 10); // Forces SetSize to use the proper height
- }
- // 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
-
- MacPostControlCreate() ;
-
- return true;
+ // 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() == false )
+ {
+ delete m_macMinimumStatic ;
+ delete m_macMaximumStatic ;
+ delete m_macValueStatic ;
+ }
}
int wxSlider::GetValue() const
{
- return GetControl32BitValue( (ControlHandle) m_macControl) ;
+ // We may need to invert the value returned by the widget
+ return ValueInvertOrNot( m_peer->GetValue() ) ;
}
void wxSlider::SetValue(int value)
{
- wxString valuestring ;
- valuestring.Printf( "%d" , value ) ;
- if ( m_macValueStatic )
- m_macValueStatic->SetLabel( valuestring ) ;
- SetControl32BitValue( (ControlHandle) m_macControl , value ) ;
+ wxString valuestring ;
+ valuestring.Printf( wxT("%d") , value ) ;
+ if ( m_macValueStatic )
+ 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;
-
- SetControl32BitMinimum( (ControlHandle) m_macControl, m_rangeMin);
- SetControl32BitMaximum( (ControlHandle) m_macControl, m_rangeMax);
-
- if(m_macMinimumStatic) {
- value.Printf("%d", m_rangeMin);
- m_macMinimumStatic->SetLabel(value);
- }
- if(m_macMaximumStatic) {
- value.Printf("%d", m_rangeMax);
- m_macMaximumStatic->SetLabel(value);
- }
- SetValue(m_rangeMin);
+ 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);
+ }
+ SetValue(m_rangeMin);
}
// For trackbars only
void wxSlider::Command (wxCommandEvent & event)
{
- SetValue (event.GetInt());
- ProcessCommand (event);
+ SetValue (event.GetInt());
+ ProcessCommand (event);
+}
+
+void wxSlider::MacHandleControlClick( WXWidget control , wxInt16 controlpart, bool mouseStillDown )
+{
+ // Whatever the native value is, we may need to invert it for calling
+ // SetValue and putting the possibly inverted value in the event
+ SInt16 value = ValueInvertOrNot ( m_peer->GetValue() ) ;
+
+ SetValue( value ) ;
+
+ wxEventType scrollEvent = wxEVT_NULL ;
+
+ scrollEvent = wxEVT_SCROLL_THUMBTRACK;
+
+ wxScrollEvent event(scrollEvent, m_windowId);
+ event.SetPosition(value);
+ event.SetEventObject( this );
+ GetEventHandler()->ProcessEvent(event);
+
+ wxCommandEvent cevent( wxEVT_COMMAND_SLIDER_UPDATED, m_windowId );
+ cevent.SetInt( value );
+ cevent.SetEventObject( this );
+
+ GetEventHandler()->ProcessEvent( cevent );
+}
+
+wxInt32 wxSlider::MacControlHit( WXEVENTHANDLERREF handler , WXEVENTREF mevent )
+{
+ // Whatever the native value is, we may need to invert it for calling
+ // SetValue and putting the possibly inverted value in the event
+ SInt16 value = ValueInvertOrNot ( m_peer->GetValue() ) ;
+
+ SetValue( value ) ;
+
+ wxEventType scrollEvent = wxEVT_NULL ;
+
+ scrollEvent = wxEVT_SCROLL_THUMBRELEASE;
+
+ wxScrollEvent event(scrollEvent, m_windowId);
+ event.SetPosition(value);
+ event.SetEventObject( this );
+ GetEventHandler()->ProcessEvent(event);
+
+ wxCommandEvent cevent( wxEVT_COMMAND_SLIDER_UPDATED, m_windowId );
+ cevent.SetInt( value );
+ cevent.SetEventObject( this );
+
+ GetEventHandler()->ProcessEvent( cevent );
+ return noErr ;
}
-void wxSlider::MacHandleControlClick( WXWidget control , wxInt16 controlpart )
+/* 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 incW , int incH )
{
- SInt16 value = ::GetControl32BitValue( (ControlHandle) m_macControl ) ;
-
- SetValue( value ) ;
-
- wxScrollEvent event(wxEVT_SCROLL_THUMBTRACK, m_windowId);
- event.SetPosition(value);
- event.SetEventObject( this );
- GetEventHandler()->ProcessEvent(event);
-
- wxCommandEvent cevent( wxEVT_COMMAND_SLIDER_UPDATED, m_windowId );
- cevent.SetInt( value );
- cevent.SetEventObject( this );
-
- GetEventHandler()->ProcessEvent( cevent );
+ wxSize size = GetBestSize();
+
+ if(GetWindowStyle() & wxSL_VERTICAL) {
+ wxWindow::DoSetSizeHints(size.x, minH, size.x, maxH, incW, incH);
+ }
+ else {
+ wxWindow::DoSetSizeHints(minW, size.y, maxW, size.y, incW, incH);
+ }
}
- /* 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::SetSizeHints( int minW, int minH,
- int maxW , int maxH ,
- int incW , int incH )
- {
- wxSize size = GetBestSize();
-
- if(GetWindowStyle() & wxSL_VERTICAL) {
- wxWindow::SetSizeHints(size.x, minH, size.x, maxH, incW, incH);
- }
- else {
- wxWindow::SetSizeHints(minW, size.y, maxW, size.y, incW, incH);
- }
- }
-
- wxSize wxSlider::DoGetBestSize() const
- {
- wxSize size;
- int textwidth, textheight;
-
- if(GetWindowStyle() & wxSL_LABELS)
- {
- wxString text;
- int ht, wd;
-
- // Get maximum text label width and height
- text.Printf("%d", m_rangeMin);
- GetTextExtent(text, &textwidth, &textheight);
- text.Printf("%d", m_rangeMax);
- GetTextExtent(text, &wd, &ht);
- if(ht > textheight) {
- textheight = ht;
- }
- if (wd > textwidth) {
- textwidth = wd;
- }
- }
-
- if(GetWindowStyle() & wxSL_VERTICAL)
- {
- if(GetWindowStyle() & wxSL_AUTOTICKS) {
- size.x = wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS;
- }
- else {
- size.x = wxSLIDER_DIMENSIONACROSS_ARROW;
- }
- if(GetWindowStyle() & wxSL_LABELS) {
- size.x += textwidth + wxSLIDER_BORDERTEXT;
- }
- size.y = 150;
- }
- else
- {
- 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 = 150;
- }
- return size;
- }
-
- void wxSlider::DoSetSize(int x, int y, int width, int height, int sizeFlags)
- {
- wxControl::DoSetSize( x, y , width , height ,sizeFlags ) ;
- }
-
- void wxSlider::MacUpdateDimensions()
+wxSize wxSlider::DoGetBestSize() const
{
- // actually in the current systems this should never be possible, but later reparenting
- // may become a reality
-
- if ( (ControlHandle) m_macControl == NULL )
- return ;
-
- if ( GetParent() == NULL )
- return ;
-
- WindowRef rootwindow = (WindowRef) MacGetRootWindow() ;
- if ( rootwindow == NULL )
- return ;
-
- int xborder, yborder;
- int minValWidth, maxValWidth, textwidth, textheight;
- int sliderBreadth;
-
- xborder = yborder = 0;
-
- if (GetWindowStyle() & wxSL_LABELS)
- {
- wxString text;
- int ht;
-
- // Get maximum text label width and height
- text.Printf("%d", m_rangeMin);
- GetTextExtent(text, &minValWidth, &textheight);
- text.Printf("%d", m_rangeMax);
- GetTextExtent(text, &maxValWidth, &ht);
- if(ht > textheight) {
- textheight = ht;
- }
- textwidth = (minValWidth > maxValWidth ? minValWidth : maxValWidth);
-
- xborder = textwidth + wxSLIDER_BORDERTEXT;
- yborder = textheight + wxSLIDER_BORDERTEXT;
-
- // Get slider breadth
- if(GetWindowStyle() & wxSL_AUTOTICKS) {
- sliderBreadth = wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS;
- }
- else {
- sliderBreadth = wxSLIDER_DIMENSIONACROSS_ARROW;
- }
-
- if(GetWindowStyle() & wxSL_VERTICAL)
- {
- m_macMinimumStatic->Move(sliderBreadth + wxSLIDER_BORDERTEXT,
- m_height - yborder - textheight);
- m_macMaximumStatic->Move(sliderBreadth + wxSLIDER_BORDERTEXT, 0);
- m_macValueStatic->Move(0, m_height - textheight);
- }
- else
- {
- m_macMinimumStatic->Move(0, sliderBreadth + wxSLIDER_BORDERTEXT);
- m_macMaximumStatic->Move(m_width - xborder - maxValWidth / 2,
- sliderBreadth + wxSLIDER_BORDERTEXT);
- m_macValueStatic->Move(m_width - textwidth, 0);
- }
- }
-
- Rect oldBounds ;
- GetControlBounds( (ControlHandle) m_macControl , &oldBounds ) ;
-
- int new_x = m_x + MacGetLeftBorderSize() + m_macHorizontalBorder ;
- int new_y = m_y + MacGetTopBorderSize() + m_macVerticalBorder ;
- int new_width = m_width - MacGetLeftBorderSize() - MacGetRightBorderSize() - 2 * m_macHorizontalBorder - xborder ;
- int new_height = m_height - MacGetTopBorderSize() - MacGetBottomBorderSize() - 2 * m_macVerticalBorder - yborder ;
-
- GetParent()->MacWindowToRootWindow( & new_x , & new_y ) ;
- bool doMove = new_x != oldBounds.left || new_y != oldBounds.top ;
- bool doResize = ( oldBounds.right - oldBounds.left ) != new_width || (oldBounds.bottom - oldBounds.top ) != new_height ;
- if ( doMove || doResize )
- {
- InvalWindowRect( rootwindow, &oldBounds ) ;
- if ( doMove )
- {
- UMAMoveControl( (ControlHandle) m_macControl , new_x , new_y ) ;
- }
- if ( doResize )
- {
- UMASizeControl( (ControlHandle) m_macControl , new_width , new_height ) ;
- }
- }
+ wxSize size;
+ int textwidth, textheight;
+
+ if(GetWindowStyle() & wxSL_LABELS)
+ {
+ wxString text;
+ int ht, wd;
+
+ // Get maximum text label width and height
+ text.Printf(wxT("%d"), ValueInvertOrNot( m_rangeMin ) );
+ GetTextExtent(text, &textwidth, &textheight);
+ text.Printf(wxT("%d"), ValueInvertOrNot( m_rangeMax ) );
+ GetTextExtent(text, &wd, &ht);
+ if(ht > textheight) {
+ textheight = ht;
+ }
+ if (wd > textwidth) {
+ textwidth = wd;
+ }
+ }
+
+ if(GetWindowStyle() & wxSL_VERTICAL)
+ {
+ if(GetWindowStyle() & wxSL_AUTOTICKS) {
+ size.x = wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS;
+ }
+ else {
+ size.x = wxSLIDER_DIMENSIONACROSS_ARROW;
+ }
+ if(GetWindowStyle() & wxSL_LABELS) {
+ size.x += textwidth + wxSLIDER_BORDERTEXT;
+ }
+ size.y = 150;
+ }
+ else
+ {
+ 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 = 150;
+ }
+ return size;
+}
+
+void wxSlider::DoSetSize(int x, int y, int w, int h, int sizeFlags)
+{
+ int xborder, yborder;
+ int minValWidth, maxValWidth, textwidth, textheight;
+ int sliderBreadth;
+ int width = w;
+
+ xborder = yborder = 0;
+
+ if (GetWindowStyle() & wxSL_LABELS)
+ {
+ //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 ) ;
+
+ wxString text;
+ int ht;
+
+ // 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;
+ }
+ textwidth = (minValWidth > maxValWidth ? minValWidth : maxValWidth);
+
+ xborder = textwidth + wxSLIDER_BORDERTEXT;
+ 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, GetPosition().y + h );
+ }
+ else
+ {
+ w = w - xborder ;
+ if ( m_macMinimumStatic )
+ m_macMinimumStatic->Move(GetPosition().x + 0, GetPosition().y + sliderBreadth + wxSLIDER_BORDERTEXT);
+ if ( m_macMaximumStatic )
+ m_macMaximumStatic->Move(GetPosition().x + w - (maxValWidth/2),
+ GetPosition().y + sliderBreadth + wxSLIDER_BORDERTEXT);
+ if ( m_macValueStatic )
+ m_macValueStatic->Move(GetPosition().x + w, GetPosition().y + 0);
+ }
+ }
+
+ // 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;
+ 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
+{
+ 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)
+ return value;
+ else
+ return (m_rangeMax + m_rangeMin) - value;
+ }
+ else // normal logic applies to HORIZONTAL sliders
+ {
+ return wxSliderBase::ValueInvertOrNot(value);
+ }
+}
+
+#endif // wxUSE_SLIDER
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