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 #include "wx/wxprec.h"
  13
  14 #if wxUSE_SPINBTN
  15
  16 #include "wx/spinbutt.h"
  17 #include "wx/mac/uma.h"
  18
  19
  20 IMPLEMENT_DYNAMIC_CLASS(wxSpinButton, wxControl)
  21 IMPLEMENT_DYNAMIC_CLASS(wxSpinEvent, wxScrollEvent)
  22
  23
  24 wxSpinButton::wxSpinButton()
  25    : wxSpinButtonBase()
  26 {
  27 }
  28
  29 bool wxSpinButton::Create( wxWindow *parent,
  30     wxWindowID id, const wxPoint& pos, const wxSize& size,
  31     long style, const wxString& name )
  32 {
  33     m_macIsUserPane = false;
  34
  35     if ( !wxSpinButtonBase::Create( parent, id, pos, size, style, wxDefaultValidator, name ) )
  36         return false;
  37
  38     m_min = 0;
  39     m_max = 100;
  40
  41     if (!parent)
  42         return false;
  43
  44     Rect bounds = wxMacGetBoundsForControl( this , pos , size );
  45
  46     m_peer = new wxMacControl( this );
  47     OSStatus err = CreateLittleArrowsControl(
  48         MAC_WXHWND(parent->MacGetTopLevelWindowRef()), &bounds, 0, m_min, m_max, 1,
  49         m_peer->GetControlRefAddr() );
  50     verify_noerr( err );
  51
  52     m_peer->SetActionProc( GetwxMacLiveScrollbarActionProc() );
  53     MacPostControlCreate( pos, size );
  54
  55     return true;
  56 }
  57
  58 wxSpinButton::~wxSpinButton()
  59 {
  60 }
  61
  62 int wxSpinButton::GetMin() const
  63 {
  64     return m_min;
  65 }
  66
  67 int wxSpinButton::GetMax() const
  68 {
  69     return m_max;
  70 }
  71
  72 int wxSpinButton::GetValue() const
  73 {
  74     int n = m_value;
  75
  76     if (n < m_min)
  77         n = m_min;
  78     else if (n > m_max)
  79         n = m_max;
  80
  81     return n;
  82 }
  83
  84 void wxSpinButton::SetValue(int val)
  85 {
  86     m_value = val;
  87 }
  88
  89 void wxSpinButton::SetRange(int minVal, int maxVal)
  90 {
  91     m_min = minVal;
  92     m_max = maxVal;
  93     m_peer->SetMaximum( maxVal );
  94     m_peer->SetMinimum( minVal );
  95 }
  96
  97 void wxSpinButton::MacHandleValueChanged( int inc )
  98 {
  99     wxEventType scrollEvent = wxEVT_NULL;
 100     int oldValue = m_value;
 101
 102     m_value = oldValue + inc;
 103
 104     if (m_value < m_min)
 105     {
 106         if ( m_windowStyle & wxSP_WRAP )
 107             m_value = m_max;
 108         else
 109             m_value = m_min;
 110     }
 111
 112     if (m_value > m_max)
 113     {
 114         if ( m_windowStyle & wxSP_WRAP )
 115             m_value = m_min;
 116         else
 117             m_value = m_max;
 118     }
 119
 120     if ( m_value - oldValue == -1 )
 121         scrollEvent = wxEVT_SCROLL_LINEDOWN;
 122     else if ( m_value - oldValue == 1 )
 123         scrollEvent = wxEVT_SCROLL_LINEUP;
 124     else
 125         scrollEvent = wxEVT_SCROLL_THUMBTRACK;
 126
 127     // Do not send an event if the value has not actually changed
 128     // (Also works for wxSpinCtrl)
 129     if ( m_value == oldValue )
 130         return;
 131
 132     wxSpinEvent event( scrollEvent, m_windowId );
 133
 134     event.SetPosition( m_value );
 135     event.SetEventObject( this );
 136     if ((GetEventHandler()->ProcessEvent( event )) && !event.IsAllowed())
 137         m_value = oldValue;
 138
 139     m_peer->SetValue( m_value );
 140
 141     // always send a thumbtrack event
 142     if (scrollEvent != wxEVT_SCROLL_THUMBTRACK)
 143     {
 144         scrollEvent = wxEVT_SCROLL_THUMBTRACK;
 145         wxSpinEvent event2( scrollEvent, GetId() );
 146         event2.SetPosition( m_value );
 147         event2.SetEventObject( this );
 148         GetEventHandler()->ProcessEvent( event2 );
 149     }
 150 }
 151
 152 void wxSpinButton::MacHandleControlClick( WXWidget control, wxInt16 controlpart, bool mouseStillDown )
 153 {
 154     int nScrollInc = 0;
 155
 156     switch ( controlpart )
 157     {
 158     case kControlUpButtonPart :
 159         nScrollInc = 1;
 160         break;
 161
 162     case kControlDownButtonPart :
 163         nScrollInc = -1;
 164         break;
 165
 166     default:
 167         break;
 168     }
 169
 170     MacHandleValueChanged( nScrollInc ) ;
 171 }
 172
 173 wxInt32 wxSpinButton::MacControlHit(WXEVENTHANDLERREF WXUNUSED(handler) , WXEVENTREF event )
 174 {
 175 #if 0
 176     // these have been handled by the live action proc already
 177     int nScrollInc = 0;
 178     wxMacCarbonEvent cEvent( (EventRef)event );
 179
 180     switch ( cEvent.GetParameter<ControlPartCode>(kEventParamControlPart, typeControlPartCode) )
 181     {
 182     case kControlUpButtonPart :
 183         nScrollInc = 1;
 184         break;
 185
 186     case kControlDownButtonPart :
 187         nScrollInc = -1;
 188         break;
 189
 190     default :
 191         break;
 192     }
 193
 194     MacHandleValueChanged( nScrollInc ) ;
 195 #endif
 196
 197     return noErr;
 198 }
 199
 200 wxSize wxSpinButton::DoGetBestSize() const
 201 {
 202     return wxSize( 16, 24 );
 203 }
 204
 205 #endif // wxUSE_SPINBTN