src/mac/classic/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/defs.h"
  13
  14 #if wxUSE_SPINBTN
  15
  16 #include "wx/spinbutt.h"
  17 #include "wx/mac/uma.h"
  18
  19 // ============================================================================
  20 // implementation
  21 // ============================================================================
  22
  23 // ----------------------------------------------------------------------------
  24 // wxWin macros
  25 // ----------------------------------------------------------------------------
  26
  27 IMPLEMENT_DYNAMIC_CLASS(wxSpinButton, wxControl)
  28 IMPLEMENT_DYNAMIC_CLASS(wxSpinEvent, wxScrollEvent)
  29
  30 wxSpinButton::wxSpinButton()
  31    : wxSpinButtonBase()
  32 {
  33 }
  34
  35 bool wxSpinButton::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
  36         long style, const wxString& name)
  37 {
  38     if ( !wxSpinButtonBase::Create(parent, id, pos, size,
  39                                    style, wxDefaultValidator, name) )
  40         return false;
  41
  42     m_min = 0;
  43     m_max = 100;
  44
  45     if (!parent)
  46         return false;
  47
  48     Rect bounds ;
  49     Str255 title ;
  50
  51     MacPreControlCreate( parent , id ,  wxEmptyString , pos , size ,style,*( (wxValidator*) NULL ) , name , &bounds , title ) ;
  52
  53     m_macControl = (WXWidget) ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , title , false , 0 , 0 , 100,
  54         kControlLittleArrowsProc , (long) this ) ;
  55
  56     wxASSERT_MSG( (ControlHandle) m_macControl != NULL , wxT("No valid mac control") ) ;
  57
  58     MacPostControlCreate() ;
  59
  60     return true;
  61 }
  62
  63 wxSpinButton::~wxSpinButton()
  64 {
  65 }
  66
  67 // Attributes
  68 ////////////////////////////////////////////////////////////////////////////
  69
  70 int wxSpinButton::GetMin() const
  71 {
  72     return m_min;
  73 }
  74
  75 int wxSpinButton::GetMax() const
  76 {
  77     return m_max;
  78 }
  79
  80 int wxSpinButton::GetValue() const
  81 {
  82     int n = m_value;
  83
  84     if (n < m_min) n = m_min;
  85     if (n > m_max) n = m_max;
  86
  87     return n;
  88 }
  89
  90 void wxSpinButton::SetValue(int val)
  91 {
  92     m_value = val ;
  93 }
  94
  95 void wxSpinButton::SetRange(int minVal, int maxVal)
  96 {
  97     m_min = minVal;
  98     m_max = maxVal;
  99     SetControl32BitMaximum( (ControlHandle) m_macControl , maxVal ) ;
 100     SetControl32BitMinimum((ControlHandle) m_macControl , minVal ) ;
 101 }
 102
 103 void wxSpinButton::MacHandleValueChanged( int inc )
 104 {
 105
 106     wxEventType scrollEvent = wxEVT_NULL;
 107     int oldValue = m_value ;
 108
 109     m_value = oldValue + inc;
 110
 111     if (m_value < m_min)
 112     {
 113         if ( m_windowStyle & wxSP_WRAP )
 114             m_value = m_max;
 115         else
 116             m_value = m_min;
 117     }
 118
 119     if (m_value > m_max)
 120     {
 121         if ( m_windowStyle & wxSP_WRAP )
 122             m_value = m_min;
 123         else
 124             m_value = m_max;
 125     }
 126
 127     if ( m_value - oldValue == -1 )
 128         scrollEvent = wxEVT_SCROLL_LINEDOWN ;
 129     else if ( m_value - oldValue == 1 )
 130         scrollEvent = wxEVT_SCROLL_LINEUP ;
 131     else
 132         scrollEvent = wxEVT_SCROLL_THUMBTRACK ;
 133
 134     wxSpinEvent event(scrollEvent, m_windowId);
 135
 136     event.SetPosition(m_value);
 137     event.SetEventObject( this );
 138     if ((GetEventHandler()->ProcessEvent( event )) &&
 139         !event.IsAllowed() )
 140     {
 141         m_value = oldValue ;
 142     }
 143     SetControl32BitValue( (ControlHandle) m_macControl , m_value ) ;
 144
 145     /* always send a thumbtrack event */
 146     if (scrollEvent != wxEVT_SCROLL_THUMBTRACK)
 147     {
 148         scrollEvent = wxEVT_SCROLL_THUMBTRACK;
 149         wxSpinEvent event2( scrollEvent, GetId());
 150         event2.SetPosition( m_value );
 151         event2.SetEventObject( this );
 152         GetEventHandler()->ProcessEvent( event2 );
 153     }
 154 }
 155
 156 void wxSpinButton::MacHandleControlClick( WXWidget control , wxInt16 controlpart , bool WXUNUSED(mouseStillDown))
 157 {
 158     if ( (ControlHandle) m_macControl == NULL )
 159         return ;
 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
 176 // ----------------------------------------------------------------------------
 177 // size calculation
 178 // ----------------------------------------------------------------------------
 179
 180 wxSize wxSpinButton::DoGetBestSize() const
 181 {
 182     return wxSize(16,24);
 183 }
 184
 185 #endif // wxUSE_SPINBTN