src/mac/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_min = 0;
  42     m_max = 100;
  43
  44     if (!parent)
  45         return FALSE;
  46
  47     Rect bounds ;
  48     Str255 title ;
  49
  50     MacPreControlCreate( parent , id ,  wxEmptyString , pos , size ,style,*( (wxValidator*) NULL ) , name , &bounds , title ) ;
  51
  52     m_macControl = ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , title , false , 0 , 0 , 100,
  53         kControlLittleArrowsProc , (long) this ) ;
  54
  55     wxASSERT_MSG( (ControlHandle) m_macControl != NULL , wxT("No valid mac control") ) ;
  56
  57     MacPostControlCreate() ;
  58
  59     return TRUE;
  60 }
  61
  62 wxSpinButton::~wxSpinButton()
  63 {
  64 }
  65
  66 // Attributes
  67 ////////////////////////////////////////////////////////////////////////////
  68
  69 int wxSpinButton::GetMin() const
  70 {
  71     return m_min;
  72 }
  73
  74 int wxSpinButton::GetMax() const
  75 {
  76     return m_max;
  77 }
  78
  79 int wxSpinButton::GetValue() const
  80 {
  81     return m_value;
  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     SetControl32BitMaximum( (ControlHandle) m_macControl , maxVal ) ;
  94     SetControl32BitMinimum((ControlHandle) m_macControl , minVal ) ;
  95 }
  96
  97 void wxSpinButton::MacHandleValueChanged( int inc )
  98 {
  99
 100     wxEventType scrollEvent = wxEVT_NULL;
 101     int oldValue = m_value ;
 102
 103     m_value = oldValue + inc;
 104
 105     if (m_value < m_min)
 106     {
 107         if ( m_windowStyle & wxSP_WRAP )
 108             m_value = m_max;
 109         else
 110             m_value = m_min;
 111     }
 112
 113     if (m_value > m_max)
 114     {
 115         if ( m_windowStyle & wxSP_WRAP )
 116             m_value = m_min;
 117         else
 118             m_value = m_max;
 119     }
 120
 121     if ( m_value - oldValue == -1 )
 122         scrollEvent = wxEVT_SCROLL_LINEDOWN ;
 123     else if ( m_value - oldValue == 1 )
 124         scrollEvent = wxEVT_SCROLL_LINEUP ;
 125     else
 126         scrollEvent = wxEVT_SCROLL_THUMBTRACK ;
 127
 128     wxSpinEvent event(scrollEvent, m_windowId);
 129
 130     event.SetPosition(m_value);
 131     event.SetEventObject( this );
 132     if ((GetEventHandler()->ProcessEvent( event )) &&
 133         !event.IsAllowed() )
 134     {
 135         m_value = oldValue ;
 136     }
 137     SetControl32BitValue( (ControlHandle) m_macControl , m_value ) ;
 138
 139     /* always send a thumbtrack event */
 140     if (scrollEvent != wxEVT_SCROLL_THUMBTRACK)
 141     {
 142         scrollEvent = wxEVT_SCROLL_THUMBTRACK;
 143         wxSpinEvent event2( scrollEvent, GetId());
 144         event2.SetPosition( m_value );
 145         event2.SetEventObject( this );
 146         GetEventHandler()->ProcessEvent( event2 );
 147     }
 148 }
 149
 150 void wxSpinButton::MacHandleControlClick( WXWidget control , wxInt16 controlpart )
 151 {
 152     if ( (ControlHandle) m_macControl == NULL )
 153         return ;
 154
 155     int nScrollInc = 0;
 156
 157     switch( controlpart )
 158     {
 159     case kControlUpButtonPart :
 160         nScrollInc = 1;
 161         break ;
 162     case kControlDownButtonPart :
 163         nScrollInc = -1;
 164         break ;
 165     }
 166     MacHandleValueChanged( nScrollInc ) ;
 167
 168 }
 169
 170 // ----------------------------------------------------------------------------
 171 // size calculation
 172 // ----------------------------------------------------------------------------
 173
 174 wxSize wxSpinButton::DoGetBestSize() const
 175 {
 176     return wxSize(16,24);
 177 }
 178