src/mac/classic/spinbutt.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mac/classic/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/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_SPINBTN
  19
  20 #include "wx/spinbutt.h"
  21 #include "wx/mac/uma.h"
  22
  23 // ============================================================================
  24 // implementation
  25 // ============================================================================
  26
  27 // ----------------------------------------------------------------------------
  28 // wxWin macros
  29 // ----------------------------------------------------------------------------
  30
  31 IMPLEMENT_DYNAMIC_CLASS(wxSpinButton, wxControl)
  32 IMPLEMENT_DYNAMIC_CLASS(wxSpinEvent, wxScrollEvent)
  33
  34 wxSpinButton::wxSpinButton()
  35    : wxSpinButtonBase()
  36 {
  37 }
  38
  39 bool wxSpinButton::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
  40         long style, const wxString& name)
  41 {
  42     if ( !wxSpinButtonBase::Create(parent, id, pos, size,
  43                                    style, wxDefaultValidator, name) )
  44         return false;
  45
  46     m_min = 0;
  47     m_max = 100;
  48
  49     if (!parent)
  50         return false;
  51
  52     Rect bounds ;
  53     Str255 title ;
  54
  55     MacPreControlCreate( parent , id ,  wxEmptyString , pos , size ,style,*( (wxValidator*) NULL ) , name , &bounds , title ) ;
  56
  57     m_macControl = (WXWidget) ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , title , false , 0 , 0 , 100,
  58         kControlLittleArrowsProc , (long) this ) ;
  59
  60     wxASSERT_MSG( (ControlHandle) m_macControl != NULL , wxT("No valid mac control") ) ;
  61
  62     MacPostControlCreate() ;
  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     SetControl32BitMaximum( (ControlHandle) m_macControl , maxVal ) ;
 104     SetControl32BitMinimum((ControlHandle) m_macControl , 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     SetControl32BitValue( (ControlHandle) m_macControl , 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 WXUNUSED(mouseStillDown))
 161 {
 162     if ( (ControlHandle) m_macControl == NULL )
 163         return ;
 164
 165     int nScrollInc = 0;
 166
 167     switch( controlpart )
 168     {
 169     case kControlUpButtonPart :
 170         nScrollInc = 1;
 171         break ;
 172     case kControlDownButtonPart :
 173         nScrollInc = -1;
 174         break ;
 175     }
 176     MacHandleValueChanged( nScrollInc ) ;
 177
 178 }
 179
 180 // ----------------------------------------------------------------------------
 181 // size calculation
 182 // ----------------------------------------------------------------------------
 183
 184 wxSize wxSpinButton::DoGetBestSize() const
 185 {
 186     return wxSize(16,24);
 187 }
 188
 189 #endif // wxUSE_SPINBTN