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 #ifdef __GNUG__
  13 #pragma implementation "spinbutt.h"
  14 #pragma implementation "spinbuttbase.h"
  15 #endif
  16
  17 #include "wx/defs.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     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 ;
  56     Str255 title ;
  57
  58     MacPreControlCreate( parent , id ,  wxEmptyString , pos , size ,style,*( (wxValidator*) NULL ) , name , &bounds , title ) ;
  59
  60     m_macControl = (WXWidget) ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , title , false , 0 , 0 , 100,
  61         kControlLittleArrowsProc , (long) this ) ;
  62
  63     wxASSERT_MSG( (ControlHandle) m_macControl != NULL , wxT("No valid mac control") ) ;
  64
  65     MacPostControlCreate() ;
  66
  67     return true;
  68 }
  69
  70 wxSpinButton::~wxSpinButton()
  71 {
  72 }
  73
  74 // Attributes
  75 ////////////////////////////////////////////////////////////////////////////
  76
  77 int wxSpinButton::GetMin() const
  78 {
  79     return m_min;
  80 }
  81
  82 int wxSpinButton::GetMax() const
  83 {
  84     return m_max;
  85 }
  86
  87 int wxSpinButton::GetValue() const
  88 {
  89     return m_value;
  90 }
  91
  92 void wxSpinButton::SetValue(int val)
  93 {
  94     m_value = val ;
  95 }
  96
  97 void wxSpinButton::SetRange(int minVal, int maxVal)
  98 {
  99     m_min = minVal;
 100     m_max = maxVal;
 101     SetControl32BitMaximum( (ControlHandle) m_macControl , maxVal ) ;
 102     SetControl32BitMinimum((ControlHandle) m_macControl , minVal ) ;
 103 }
 104
 105 void wxSpinButton::MacHandleValueChanged( int inc )
 106 {
 107
 108     wxEventType scrollEvent = wxEVT_NULL;
 109     int oldValue = m_value ;
 110
 111     m_value = oldValue + inc;
 112
 113     if (m_value < m_min)
 114     {
 115         if ( m_windowStyle & wxSP_WRAP )
 116             m_value = m_max;
 117         else
 118             m_value = m_min;
 119     }
 120
 121     if (m_value > m_max)
 122     {
 123         if ( m_windowStyle & wxSP_WRAP )
 124             m_value = m_min;
 125         else
 126             m_value = m_max;
 127     }
 128
 129     if ( m_value - oldValue == -1 )
 130         scrollEvent = wxEVT_SCROLL_LINEDOWN ;
 131     else if ( m_value - oldValue == 1 )
 132         scrollEvent = wxEVT_SCROLL_LINEUP ;
 133     else
 134         scrollEvent = wxEVT_SCROLL_THUMBTRACK ;
 135
 136     wxSpinEvent event(scrollEvent, m_windowId);
 137
 138     event.SetPosition(m_value);
 139     event.SetEventObject( this );
 140     if ((GetEventHandler()->ProcessEvent( event )) &&
 141         !event.IsAllowed() )
 142     {
 143         m_value = oldValue ;
 144     }
 145     SetControl32BitValue( (ControlHandle) m_macControl , m_value ) ;
 146
 147     /* always send a thumbtrack event */
 148     if (scrollEvent != wxEVT_SCROLL_THUMBTRACK)
 149     {
 150         scrollEvent = wxEVT_SCROLL_THUMBTRACK;
 151         wxSpinEvent event2( scrollEvent, GetId());
 152         event2.SetPosition( m_value );
 153         event2.SetEventObject( this );
 154         GetEventHandler()->ProcessEvent( event2 );
 155     }
 156 }
 157
 158 void wxSpinButton::MacHandleControlClick( WXWidget control , wxInt16 controlpart , bool WXUNUSED(mouseStillDown))
 159 {
 160     if ( (ControlHandle) m_macControl == NULL )
 161         return ;
 162
 163     int nScrollInc = 0;
 164
 165     switch( controlpart )
 166     {
 167     case kControlUpButtonPart :
 168         nScrollInc = 1;
 169         break ;
 170     case kControlDownButtonPart :
 171         nScrollInc = -1;
 172         break ;
 173     }
 174     MacHandleValueChanged( nScrollInc ) ;
 175
 176 }
 177
 178 // ----------------------------------------------------------------------------
 179 // size calculation
 180 // ----------------------------------------------------------------------------
 181
 182 wxSize wxSpinButton::DoGetBestSize() const
 183 {
 184     return wxSize(16,24);
 185 }
 186
 187 #endif // wxUSE_SPINBTN