// Created: 1998-01-01
// RCS-ID: $Id$
// Copyright: (c) Stefan Csomor
-// Licence: wxWidgets licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#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)
+ // 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()
+
+/*
+* 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;
-}
-extern ControlActionUPP wxMacLiveScrollbarActionUPP ;
+ m_macMinimumStatic = NULL;
+ m_macMaximumStatic = NULL;
+ m_macValueStatic = NULL;
+}
bool wxSlider::Create(wxWindow *parent, wxWindowID id,
int value, int minValue, int maxValue,
const wxValidator& validator,
const wxString& name)
{
- m_macIsUserPane = FALSE ;
-
- if ( !wxControl::Create(parent, id, pos, size, style, validator, name) )
- return false;
+ 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);
-
- Rect bounds = wxMacGetBoundsForControl( this , pos , size ) ;
-
+
+ // 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),
+ _T("incompatible slider direction and orientation") );
+
+ if ( !wxControl::Create(parent, id, pos, size, style, validator, name) )
+ return false;
+
+ 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 ;
-
- verify_noerr ( CreateSliderControl( MAC_WXHWND(parent->MacGetTopLevelWindowRef()) , &bounds ,
- value , minValue , maxValue , kControlSliderPointsDownOrRight , tickMarks , true /* liveTracking */ ,
- wxMacLiveScrollbarActionUPP , (ControlRef*) &m_macControl ) ) ;
-
- if(style & wxSL_VERTICAL) {
+ tickMarks = (maxValue - minValue) + 1; //+1 for the 0 value
+
+ // keep the number of tickmarks from becoming unwieldly
+ while (tickMarks > 20)
+ tickMarks /= 5;
+
+ 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
- }
- else {
+ 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
-
- if(style & wxSL_LABELS)
+
+ if (style & wxSL_LABELS)
{
- m_macMinimumStatic = new wxStaticText( parent, -1, wxEmptyString );
- m_macMaximumStatic = new wxStaticText( parent, -1, wxEmptyString );
- m_macValueStatic = new wxStaticText( parent, -1, wxEmptyString );
- SetRange(minValue, maxValue);
- SetValue(value);
+ 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()
{
- delete m_macMinimumStatic ;
- delete m_macMaximumStatic ;
- delete m_macValueStatic ;
+ // 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
{
- return GetControl32BitValue( (ControlRef) 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( wxT("%d") , value ) ;
if ( m_macValueStatic )
- m_macValueStatic->SetLabel( valuestring ) ;
- SetControl32BitValue( (ControlRef) m_macControl , value ) ;
+ {
+ 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;
-
- SetControl32BitMinimum( (ControlRef) m_macControl, m_rangeMin);
- SetControl32BitMaximum( (ControlRef) m_macControl, m_rangeMax);
-
- if(m_macMinimumStatic) {
- value.Printf(wxT("%d"), m_rangeMin);
+
+ 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"), m_rangeMax);
+
+ if (m_macMaximumStatic)
+ {
+ value.Printf(wxT("%d"), ValueInvertOrNot( m_rangeMax ) );
m_macMaximumStatic->SetLabel(value);
}
+
SetValue(m_rangeMin);
}
void wxSlider::Command (wxCommandEvent & event)
{
- SetValue (event.GetInt());
- ProcessCommand (event);
+ SetValue(event.GetInt());
+ ProcessCommand(event);
}
-void wxSlider::MacHandleControlClick( WXWidget control , wxInt16 controlpart, bool mouseStillDown )
+void wxSlider::MacHandleControlClick( WXWidget control , wxInt16 controlpart, bool mouseStillDown )
{
- SInt16 value = ::GetControl32BitValue( (ControlRef) m_macControl ) ;
-
- SetValue( value ) ;
-
+ // 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 )
+wxInt32 wxSlider::MacControlHit( WXEVENTHANDLERREF handler , WXEVENTREF mevent )
{
- SInt16 value = ::GetControl32BitValue( (ControlRef) m_macControl ) ;
-
- SetValue( value ) ;
-
+ // 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 ;
-}
+ return noErr;
+}
-/* 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 )
+// 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 )
{
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);
- }
+
+ 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);
}
wxSize wxSlider::DoGetBestSize() const
{
wxSize size;
int textwidth, textheight;
-
- if(GetWindowStyle() & wxSL_LABELS)
+ int mintwidth, mintheight;
+ int maxtwidth, maxtheight;
+
+ textwidth = textheight = 0;
+ mintwidth = mintheight = 0;
+ maxtwidth = maxtheight = 0;
+
+ if (GetWindowStyle() & wxSL_LABELS)
{
wxString text;
- int ht, wd;
-
+
// Get maximum text label width and height
- text.Printf(wxT("%d"), m_rangeMin);
- GetTextExtent(text, &textwidth, &textheight);
- text.Printf(wxT("%d"), m_rangeMax);
- GetTextExtent(text, &wd, &ht);
- if(ht > textheight) {
- textheight = ht;
- }
- if (wd > textwidth) {
- textwidth = wd;
- }
+ 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)
+
+ if (GetWindowStyle() & wxSL_VERTICAL)
{
- if(GetWindowStyle() & wxSL_AUTOTICKS) {
+ if (GetWindowStyle() & wxSL_AUTOTICKS)
size.x = wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS;
- }
- else {
+ else
size.x = wxSLIDER_DIMENSIONACROSS_ARROW;
- }
- if(GetWindowStyle() & wxSL_LABELS) {
+
+ if (GetWindowStyle() & wxSL_LABELS)
size.x += textwidth + wxSLIDER_BORDERTEXT;
- }
+
size.y = 150;
}
else
{
- if(GetWindowStyle() & wxSL_AUTOTICKS) {
+ if (GetWindowStyle() & wxSL_AUTOTICKS)
size.y = wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS;
- }
- else {
+ else
size.y = wxSLIDER_DIMENSIONACROSS_ARROW;
- }
- if(GetWindowStyle() & wxSL_LABELS) {
+
+ size.x = 150;
+
+ if (GetWindowStyle() & wxSL_LABELS)
+ {
size.y += textheight + wxSLIDER_BORDERTEXT;
+ size.x += (mintwidth / 2) + (maxtwidth / 2);
}
- 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 xborder, yborder;
+ int minValWidth, maxValWidth, textheight;
+ int sliderBreadth;
+ int width = w;
+
xborder = yborder = 0;
-
+
if (GetWindowStyle() & wxSL_LABELS)
{
wxString text;
- int ht;
-
+ int ht, valValWidth;
+
// Get maximum text label width and height
- text.Printf(wxT("%d"), m_rangeMin);
+ text.Printf(wxT("%d"), ValueInvertOrNot( m_rangeMin ) );
GetTextExtent(text, &minValWidth, &textheight);
- text.Printf(wxT("%d"), m_rangeMax);
+ text.Printf(wxT("%d"), ValueInvertOrNot( m_rangeMax ) );
GetTextExtent(text, &maxValWidth, &ht);
- if(ht > textheight) {
+
+ if (ht > textheight)
textheight = ht;
+
+ if (GetWindowStyle() & wxSL_HORIZONTAL)
+ {
+ if ( m_macMinimumStatic )
+ {
+ w -= minValWidth / 2;
+ x += minValWidth / 2;
+ }
+
+ if ( m_macMaximumStatic )
+ w -= maxValWidth / 2;
}
- textwidth = (minValWidth > maxValWidth ? minValWidth : maxValWidth);
-
- xborder = textwidth + wxSLIDER_BORDERTEXT;
+
+ // 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) {
+ if (GetWindowStyle() & wxSL_AUTOTICKS)
sliderBreadth = wxSLIDER_DIMENSIONACROSS_WITHTICKMARKS;
- }
- else {
+ else
sliderBreadth = wxSLIDER_DIMENSIONACROSS_ARROW;
- }
-
- if(GetWindowStyle() & wxSL_VERTICAL)
+
+ if (GetWindowStyle() & wxSL_VERTICAL)
{
-
+ h = h - yborder;
+
if ( m_macMinimumStatic )
- m_macMinimumStatic->Move(x + sliderBreadth + wxSLIDER_BORDERTEXT,
- y + h - yborder - textheight);
+ m_macMinimumStatic->Move(GetPosition().x + sliderBreadth + wxSLIDER_BORDERTEXT, GetPosition().y + h - yborder);
if ( m_macMaximumStatic )
- m_macMaximumStatic->Move(x + sliderBreadth + wxSLIDER_BORDERTEXT, y + 0);
+ m_macMaximumStatic->Move(GetPosition().x + sliderBreadth + wxSLIDER_BORDERTEXT, GetPosition().y + 0);
if ( m_macValueStatic )
- m_macValueStatic->Move(0, y + h - textheight);
- h = h - yborder ;
+ m_macValueStatic->Move(GetPosition().x + sliderBreadth + wxSLIDER_BORDERTEXT, GetPosition().y + (h / 2) - (ht / 2));
}
else
{
if ( m_macMinimumStatic )
- m_macMinimumStatic->Move(x + 0, y + sliderBreadth + wxSLIDER_BORDERTEXT);
+ m_macMinimumStatic->Move(GetPosition().x, GetPosition().y + sliderBreadth + wxSLIDER_BORDERTEXT);
if ( m_macMaximumStatic )
- m_macMaximumStatic->Move(x + w - xborder - maxValWidth / 2,
- y + sliderBreadth + wxSLIDER_BORDERTEXT);
+ m_macMaximumStatic->Move(GetPosition().x + w - maxValWidth, GetPosition().y + sliderBreadth + wxSLIDER_BORDERTEXT);
if ( m_macValueStatic )
- m_macValueStatic->Move(x + w - textwidth, y + 0);
- w = w - xborder ;
+ m_macValueStatic->Move(GetPosition().x + (w / 2) - (valValWidth / 2), GetPosition().y + sliderBreadth + wxSLIDER_BORDERTEXT);
}
}
-
- wxControl::DoSetSize( x, y , w , h ,sizeFlags ) ;
+
+ // 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) ;
+ 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
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