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 IMPLEMENT_DYNAMIC_CLASS(wxSpinButton, wxControl)
  33 IMPLEMENT_DYNAMIC_CLASS(wxSpinEvent, wxScrollEvent)
  34
  35 wxSpinButton::wxSpinButton()
  36    : wxSpinButtonBase()
  37 {
  38 }
  39
  40 bool wxSpinButton::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
  41         long style, const wxString& name)
  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 ;
  54     Str255 title ;
  55
  56     MacPreControlCreate( parent , id ,  wxEmptyString , pos , size ,style,*( (wxValidator*) NULL ) , name , &bounds , title ) ;
  57
  58     m_macControl = (WXWidget) ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , title , false , 0 , 0 , 100,
  59         kControlLittleArrowsProc , (long) this ) ;
  60
  61     wxASSERT_MSG( (ControlHandle) m_macControl != NULL , wxT("No valid mac control") ) ;
  62
  63     MacPostControlCreate() ;
  64
  65     return true;
  66 }
  67
  68 wxSpinButton::~wxSpinButton()
  69 {
  70 }
  71
  72 // Attributes
  73 ////////////////////////////////////////////////////////////////////////////
  74
  75 int wxSpinButton::GetMin() const
  76 {
  77     return m_min;
  78 }
  79
  80 int wxSpinButton::GetMax() const
  81 {
  82     return m_max;
  83 }
  84
  85 int wxSpinButton::GetValue() const
  86 {
  87     int n = m_value;
  88
  89     if (n < m_min) n = m_min;
  90     if (n > m_max) n = m_max;
  91
  92     return n;
  93 }
  94
  95 void wxSpinButton::SetValue(int val)
  96 {
  97     m_value = val ;
  98 }
  99
 100 void wxSpinButton::SetRange(int minVal, int maxVal)
 101 {
 102     m_min = minVal;
 103     m_max = maxVal;
 104     SetControl32BitMaximum( (ControlHandle) m_macControl , maxVal ) ;
 105     SetControl32BitMinimum((ControlHandle) m_macControl , minVal ) ;
 106 }
 107
 108 void wxSpinButton::MacHandleValueChanged( int inc )
 109 {
 110
 111     wxEventType scrollEvent = wxEVT_NULL;
 112     int oldValue = m_value ;
 113
 114     m_value = oldValue + inc;
 115
 116     if (m_value < m_min)
 117     {
 118         if ( m_windowStyle & wxSP_WRAP )
 119             m_value = m_max;
 120         else
 121             m_value = m_min;
 122     }
 123
 124     if (m_value > m_max)
 125     {
 126         if ( m_windowStyle & wxSP_WRAP )
 127             m_value = m_min;
 128         else
 129             m_value = m_max;
 130     }
 131
 132     if ( m_value - oldValue == -1 )
 133         scrollEvent = wxEVT_SCROLL_LINEDOWN ;
 134     else if ( m_value - oldValue == 1 )
 135         scrollEvent = wxEVT_SCROLL_LINEUP ;
 136     else
 137         scrollEvent = wxEVT_SCROLL_THUMBTRACK ;
 138
 139     wxSpinEvent event(scrollEvent, m_windowId);
 140
 141     event.SetPosition(m_value);
 142     event.SetEventObject( this );
 143     if ((GetEventHandler()->ProcessEvent( event )) &&
 144         !event.IsAllowed() )
 145     {
 146         m_value = oldValue ;
 147     }
 148     SetControl32BitValue( (ControlHandle) m_macControl , m_value ) ;
 149
 150     /* always send a thumbtrack event */
 151     if (scrollEvent != wxEVT_SCROLL_THUMBTRACK)
 152     {
 153         scrollEvent = wxEVT_SCROLL_THUMBTRACK;
 154         wxSpinEvent event2( scrollEvent, GetId());
 155         event2.SetPosition( m_value );
 156         event2.SetEventObject( this );
 157         GetEventHandler()->ProcessEvent( event2 );
 158     }
 159 }
 160
 161 void wxSpinButton::MacHandleControlClick( WXWidget control , wxInt16 controlpart , bool WXUNUSED(mouseStillDown))
 162 {
 163     if ( (ControlHandle) m_macControl == NULL )
 164         return ;
 165
 166     int nScrollInc = 0;
 167
 168     switch( controlpart )
 169     {
 170     case kControlUpButtonPart :
 171         nScrollInc = 1;
 172         break ;
 173     case kControlDownButtonPart :
 174         nScrollInc = -1;
 175         break ;
 176     }
 177     MacHandleValueChanged( nScrollInc ) ;
 178
 179 }
 180
 181 // ----------------------------------------------------------------------------
 182 // size calculation
 183 // ----------------------------------------------------------------------------
 184
 185 wxSize wxSpinButton::DoGetBestSize() const
 186 {
 187     return wxSize(16,24);
 188 }
 189
 190 #endif // wxUSE_SPINBTN