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