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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  13 #pragma implementation "spinbutt.h"
  14 #pragma implementation "spinbuttbase.h"
  15 #endif
  16
  17 #include "wx/wxprec.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 wxSpinButton::wxSpinButton()
  38    : wxSpinButtonBase()
  39 {
  40 }
  41
  42 bool wxSpinButton::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
  43         long style, const wxString& name)
  44 {
  45     m_macIsUserPane = false ;
  46
  47     if ( !wxSpinButtonBase::Create(parent, id, pos, size,
  48                                    style, wxDefaultValidator, name) )
  49         return false;
  50
  51     m_min = 0;
  52     m_max = 100;
  53
  54     if (!parent)
  55         return false;
  56
  57     Rect bounds = wxMacGetBoundsForControl( this , pos , size ) ;
  58
  59     m_peer = new wxMacControl(this) ;
  60     verify_noerr ( CreateLittleArrowsControl( MAC_WXHWND(parent->MacGetTopLevelWindowRef()) , &bounds , 0 , m_min , m_max , 1 ,
  61      m_peer->GetControlRefAddr() ) );
  62
  63     m_peer->SetActionProc( GetwxMacLiveScrollbarActionProc() ) ;
  64     MacPostControlCreate(pos,size) ;
  65
  66     return true;
  67 }
  68
  69 wxSpinButton::~wxSpinButton()
  70 {
  71 }
  72
  73 // Attributes
  74 ////////////////////////////////////////////////////////////////////////////
  75
  76 int wxSpinButton::GetMin() const
  77 {
  78     return m_min;
  79 }
  80
  81 int wxSpinButton::GetMax() const
  82 {
  83     return m_max;
  84 }
  85
  86 int wxSpinButton::GetValue() const
  87 {
  88     int n = m_value;
  89
  90     if (n < m_min) n = m_min;
  91     if (n > m_max) n = m_max;
  92
  93     return n;
  94 }
  95
  96 void wxSpinButton::SetValue(int val)
  97 {
  98     m_value = val ;
  99 }
 100
 101 void wxSpinButton::SetRange(int minVal, int maxVal)
 102 {
 103     m_min = minVal;
 104     m_max = maxVal;
 105     m_peer->SetMaximum( maxVal ) ;
 106     m_peer->SetMinimum( minVal ) ;
 107 }
 108
 109 void wxSpinButton::MacHandleValueChanged( int inc )
 110 {
 111
 112     wxEventType scrollEvent = wxEVT_NULL;
 113     int oldValue = m_value ;
 114
 115     m_value = oldValue + inc;
 116
 117     if (m_value < m_min)
 118     {
 119         if ( m_windowStyle & wxSP_WRAP )
 120             m_value = m_max;
 121         else
 122             m_value = m_min;
 123     }
 124
 125     if (m_value > m_max)
 126     {
 127         if ( m_windowStyle & wxSP_WRAP )
 128             m_value = m_min;
 129         else
 130             m_value = m_max;
 131     }
 132
 133     if ( m_value - oldValue == -1 )
 134         scrollEvent = wxEVT_SCROLL_LINEDOWN ;
 135     else if ( m_value - oldValue == 1 )
 136         scrollEvent = wxEVT_SCROLL_LINEUP ;
 137     else
 138         scrollEvent = wxEVT_SCROLL_THUMBTRACK ;
 139
 140     wxSpinEvent event(scrollEvent, m_windowId);
 141
 142     event.SetPosition(m_value);
 143     event.SetEventObject( this );
 144     if ((GetEventHandler()->ProcessEvent( event )) &&
 145         !event.IsAllowed() )
 146     {
 147         m_value = oldValue ;
 148     }
 149     m_peer->SetValue( m_value ) ;
 150
 151     /* always send a thumbtrack event */
 152     if (scrollEvent != wxEVT_SCROLL_THUMBTRACK)
 153     {
 154         scrollEvent = wxEVT_SCROLL_THUMBTRACK;
 155         wxSpinEvent event2( scrollEvent, GetId());
 156         event2.SetPosition( m_value );
 157         event2.SetEventObject( this );
 158         GetEventHandler()->ProcessEvent( event2 );
 159     }
 160 }
 161
 162 void wxSpinButton::MacHandleControlClick( WXWidget control , wxInt16 controlpart , bool mouseStillDown )
 163 {
 164     int nScrollInc = 0;
 165
 166     switch( controlpart )
 167     {
 168     case kControlUpButtonPart :
 169         nScrollInc = 1;
 170         break ;
 171     case kControlDownButtonPart :
 172         nScrollInc = -1;
 173         break ;
 174     }
 175     MacHandleValueChanged( nScrollInc ) ;
 176 }
 177
 178 wxInt32 wxSpinButton::MacControlHit(WXEVENTHANDLERREF WXUNUSED(handler) , WXEVENTREF event )
 179 {
 180     /*
 181     // these have been handled by the live action proc already
 182     int nScrollInc = 0;
 183     wxMacCarbonEvent cEvent( (EventRef) event ) ;
 184
 185     switch( cEvent.GetParameter<ControlPartCode>(kEventParamControlPart,typeControlPartCode) )
 186     {
 187     case kControlUpButtonPart :
 188         nScrollInc = 1;
 189         break ;
 190     case kControlDownButtonPart :
 191         nScrollInc = -1;
 192         break ;
 193     }
 194     MacHandleValueChanged( nScrollInc ) ;
 195     */
 196     return noErr ;
 197 }
 198
 199 // ----------------------------------------------------------------------------
 200 // size calculation
 201 // ----------------------------------------------------------------------------
 202
 203 wxSize wxSpinButton::DoGetBestSize() const
 204 {
 205     return wxSize(16,24);
 206 }
 207
 208 #endif // wxUSE_SPINBTN