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/spinbutt.h"
  18 #include "wx/mac/uma.h"
  19
  20 // ============================================================================
  21 // implementation
  22 // ============================================================================
  23
  24 // ----------------------------------------------------------------------------
  25 // wxWin macros
  26 // ----------------------------------------------------------------------------
  27
  28 #if !USE_SHARED_LIBRARY
  29     IMPLEMENT_DYNAMIC_CLASS(wxSpinButton, wxControl)
  30     IMPLEMENT_DYNAMIC_CLASS(wxSpinEvent, wxScrollEvent)
  31 #endif
  32
  33 wxSpinButton::wxSpinButton()
  34    : wxSpinButtonBase()
  35 {
  36 }
  37
  38 bool wxSpinButton::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
  39         long style, const wxString& name)
  40 {
  41     m_macIsUserPane = FALSE ;
  42
  43     if ( !wxSpinButtonBase::Create(parent, id, pos, size,
  44                                    style, wxDefaultValidator, name) )
  45         return false;
  46
  47     m_min = 0;
  48     m_max = 100;
  49
  50     if (!parent)
  51         return FALSE;
  52
  53     Rect bounds = wxMacGetBoundsForControl( this , pos , size ) ;
  54
  55     m_macControl = (WXWidget) ::NewControl( MAC_WXHWND(parent->MacGetTopLevelWindowRef()) , &bounds , "\p" , true , 0 , 0 , 100,
  56         kControlLittleArrowsProc , (long) this ) ;
  57
  58     wxASSERT_MSG( (ControlRef) m_macControl != NULL , wxT("No valid mac control") ) ;
  59
  60     MacPostControlCreate(pos,size) ;
  61
  62     return TRUE;
  63 }
  64
  65 wxSpinButton::~wxSpinButton()
  66 {
  67 }
  68
  69 // Attributes
  70 ////////////////////////////////////////////////////////////////////////////
  71
  72 int wxSpinButton::GetMin() const
  73 {
  74     return m_min;
  75 }
  76
  77 int wxSpinButton::GetMax() const
  78 {
  79     return m_max;
  80 }
  81
  82 int wxSpinButton::GetValue() const
  83 {
  84     return m_value;
  85 }
  86
  87 void wxSpinButton::SetValue(int val)
  88 {
  89     m_value = val ;
  90 }
  91
  92 void wxSpinButton::SetRange(int minVal, int maxVal)
  93 {
  94     m_min = minVal;
  95     m_max = maxVal;
  96     SetControl32BitMaximum( (ControlRef) m_macControl , maxVal ) ;
  97     SetControl32BitMinimum((ControlRef) m_macControl , minVal ) ;
  98 }
  99
 100 void wxSpinButton::MacHandleValueChanged( int inc )
 101 {
 102
 103     wxEventType scrollEvent = wxEVT_NULL;
 104     int oldValue = m_value ;
 105
 106     m_value = oldValue + inc;
 107
 108     if (m_value < m_min)
 109     {
 110         if ( m_windowStyle & wxSP_WRAP )
 111             m_value = m_max;
 112         else
 113             m_value = m_min;
 114     }
 115
 116     if (m_value > m_max)
 117     {
 118         if ( m_windowStyle & wxSP_WRAP )
 119             m_value = m_min;
 120         else
 121             m_value = m_max;
 122     }
 123
 124     if ( m_value - oldValue == -1 )
 125         scrollEvent = wxEVT_SCROLL_LINEDOWN ;
 126     else if ( m_value - oldValue == 1 )
 127         scrollEvent = wxEVT_SCROLL_LINEUP ;
 128     else
 129         scrollEvent = wxEVT_SCROLL_THUMBTRACK ;
 130
 131     wxSpinEvent event(scrollEvent, m_windowId);
 132
 133     event.SetPosition(m_value);
 134     event.SetEventObject( this );
 135     if ((GetEventHandler()->ProcessEvent( event )) &&
 136         !event.IsAllowed() )
 137     {
 138         m_value = oldValue ;
 139     }
 140     SetControl32BitValue( (ControlRef) m_macControl , m_value ) ;
 141
 142     /* always send a thumbtrack event */
 143     if (scrollEvent != wxEVT_SCROLL_THUMBTRACK)
 144     {
 145         scrollEvent = wxEVT_SCROLL_THUMBTRACK;
 146         wxSpinEvent event2( scrollEvent, GetId());
 147         event2.SetPosition( m_value );
 148         event2.SetEventObject( this );
 149         GetEventHandler()->ProcessEvent( event2 );
 150     }
 151 }
 152
 153 void wxSpinButton::MacHandleControlClick( WXWidget control , wxInt16 controlpart , bool WXUNUSED(mouseStillDown))
 154 {
 155     if ( (ControlRef) m_macControl == NULL )
 156         return ;
 157
 158     int nScrollInc = 0;
 159
 160     switch( controlpart )
 161     {
 162     case kControlUpButtonPart :
 163         nScrollInc = 1;
 164         break ;
 165     case kControlDownButtonPart :
 166         nScrollInc = -1;
 167         break ;
 168     }
 169     MacHandleValueChanged( nScrollInc ) ;
 170
 171 }
 172
 173 // ----------------------------------------------------------------------------
 174 // size calculation
 175 // ----------------------------------------------------------------------------
 176
 177 wxSize wxSpinButton::DoGetBestSize() const
 178 {
 179     return wxSize(16,24);
 180 }
 181