src/mac/carbon/spinbutt.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        spinbutt.cpp
   3 // Purpose:     wxSpinButton
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:       wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "spinbutt.h"
  14 #pragma implementation "spinbuttbase.h"
  15 #endif
  16
  17 #include "wx/defs.h"
  18
  19 #if wxUSE_SPINBTN
  20
  21 #include "wx/spinbutt.h"
  22 #include "wx/mac/uma.h"
  23
  24 // ============================================================================
  25 // implementation
  26 // ============================================================================
  27
  28 // ----------------------------------------------------------------------------
  29 // wxWin macros
  30 // ----------------------------------------------------------------------------
  31
  32 #if !USE_SHARED_LIBRARY
  33     IMPLEMENT_DYNAMIC_CLASS(wxSpinButton, wxControl)
  34     IMPLEMENT_DYNAMIC_CLASS(wxSpinEvent, wxScrollEvent)
  35 #endif
  36
  37 extern ControlActionUPP wxMacLiveScrollbarActionUPP ;
  38
  39 wxSpinButton::wxSpinButton()
  40    : wxSpinButtonBase()
  41 {
  42 }
  43
  44 bool wxSpinButton::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
  45         long style, const wxString& name)
  46 {
  47     m_macIsUserPane = false ;
  48
  49     if ( !wxSpinButtonBase::Create(parent, id, pos, size,
  50                                    style, wxDefaultValidator, name) )
  51         return false;
  52
  53     m_min = 0;
  54     m_max = 100;
  55
  56     if (!parent)
  57         return false;
  58
  59     Rect bounds = wxMacGetBoundsForControl( this , pos , size ) ;
  60
  61     m_peer = new wxMacControl() ;
  62     verify_noerr ( CreateLittleArrowsControl( MAC_WXHWND(parent->MacGetTopLevelWindowRef()) , &bounds , 0 , m_min , m_max , 1 ,
  63      m_peer->GetControlRefAddr() ) );
  64
  65     m_peer->SetActionProc( wxMacLiveScrollbarActionUPP ) ;
  66     MacPostControlCreate(pos,size) ;
  67
  68     return true;
  69 }
  70
  71 wxSpinButton::~wxSpinButton()
  72 {
  73 }
  74
  75 // Attributes
  76 ////////////////////////////////////////////////////////////////////////////
  77
  78 int wxSpinButton::GetMin() const
  79 {
  80     return m_min;
  81 }
  82
  83 int wxSpinButton::GetMax() const
  84 {
  85     return m_max;
  86 }
  87
  88 int wxSpinButton::GetValue() const
  89 {
  90     return m_value;
  91 }
  92
  93 void wxSpinButton::SetValue(int val)
  94 {
  95     m_value = val ;
  96 }
  97
  98 void wxSpinButton::SetRange(int minVal, int maxVal)
  99 {
 100     m_min = minVal;
 101     m_max = maxVal;
 102     m_peer->SetMaximum( maxVal ) ;
 103     m_peer->SetMinimum( minVal ) ;
 104 }
 105
 106 void wxSpinButton::MacHandleValueChanged( int inc )
 107 {
 108
 109     wxEventType scrollEvent = wxEVT_NULL;
 110     int oldValue = m_value ;
 111
 112     m_value = oldValue + inc;
 113
 114     if (m_value < m_min)
 115     {
 116         if ( m_windowStyle & wxSP_WRAP )
 117             m_value = m_max;
 118         else
 119             m_value = m_min;
 120     }
 121
 122     if (m_value > m_max)
 123     {
 124         if ( m_windowStyle & wxSP_WRAP )
 125             m_value = m_min;
 126         else
 127             m_value = m_max;
 128     }
 129
 130     if ( m_value - oldValue == -1 )
 131         scrollEvent = wxEVT_SCROLL_LINEDOWN ;
 132     else if ( m_value - oldValue == 1 )
 133         scrollEvent = wxEVT_SCROLL_LINEUP ;
 134     else
 135         scrollEvent = wxEVT_SCROLL_THUMBTRACK ;
 136
 137     wxSpinEvent event(scrollEvent, m_windowId);
 138
 139     event.SetPosition(m_value);
 140     event.SetEventObject( this );
 141     if ((GetEventHandler()->ProcessEvent( event )) &&
 142         !event.IsAllowed() )
 143     {
 144         m_value = oldValue ;
 145     }
 146     m_peer->SetValue( m_value ) ;
 147
 148     /* always send a thumbtrack event */
 149     if (scrollEvent != wxEVT_SCROLL_THUMBTRACK)
 150     {
 151         scrollEvent = wxEVT_SCROLL_THUMBTRACK;
 152         wxSpinEvent event2( scrollEvent, GetId());
 153         event2.SetPosition( m_value );
 154         event2.SetEventObject( this );
 155         GetEventHandler()->ProcessEvent( event2 );
 156     }
 157 }
 158
 159 void wxSpinButton::MacHandleControlClick( WXWidget control , wxInt16 controlpart , bool mouseStillDown )
 160 {
 161     int nScrollInc = 0;
 162
 163     switch( controlpart )
 164     {
 165     case kControlUpButtonPart :
 166         nScrollInc = 1;
 167         break ;
 168     case kControlDownButtonPart :
 169         nScrollInc = -1;
 170         break ;
 171     }
 172     MacHandleValueChanged( nScrollInc ) ;
 173 }
 174
 175 wxInt32 wxSpinButton::MacControlHit(WXEVENTHANDLERREF WXUNUSED(handler) , WXEVENTREF event )
 176 {
 177     /*
 178     // these have been handled by the live action proc already
 179     int nScrollInc = 0;
 180     wxMacCarbonEvent cEvent( (EventRef) event ) ;
 181
 182     switch( cEvent.GetParameter<ControlPartCode>(kEventParamControlPart,typeControlPartCode) )
 183     {
 184     case kControlUpButtonPart :
 185         nScrollInc = 1;
 186         break ;
 187     case kControlDownButtonPart :
 188         nScrollInc = -1;
 189         break ;
 190     }
 191     MacHandleValueChanged( nScrollInc ) ;
 192     */
 193     return noErr ;
 194 }
 195
 196 // ----------------------------------------------------------------------------
 197 // size calculation
 198 // ----------------------------------------------------------------------------
 199
 200 wxSize wxSpinButton::DoGetBestSize() const
 201 {
 202     return wxSize(16,24);
 203 }
 204
 205 #endif // wxUSE_SPINBTN