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     if ( !wxSpinButtonBase::Create(parent, id, pos, size,
  42                                    style, wxDefaultValidator, name) )
  43         return false;
  44
  45     m_min = 0;
  46     m_max = 100;
  47
  48     if (!parent)
  49         return FALSE;
  50
  51     Rect bounds ;
  52     Str255 title ;
  53
  54     MacPreControlCreate( parent , id ,  wxEmptyString , pos , size ,style,*( (wxValidator*) NULL ) , name , &bounds , title ) ;
  55
  56     m_macControl = ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , title , false , 0 , 0 , 100,
  57         kControlLittleArrowsProc , (long) this ) ;
  58
  59     wxASSERT_MSG( (ControlHandle) m_macControl != NULL , wxT("No valid mac control") ) ;
  60
  61     MacPostControlCreate() ;
  62
  63     return TRUE;
  64 }
  65
  66 wxSpinButton::~wxSpinButton()
  67 {
  68 }
  69
  70 // Attributes
  71 ////////////////////////////////////////////////////////////////////////////
  72
  73 int wxSpinButton::GetMin() const
  74 {
  75     return m_min;
  76 }
  77
  78 int wxSpinButton::GetMax() const
  79 {
  80     return m_max;
  81 }
  82
  83 int wxSpinButton::GetValue() const
  84 {
  85     return m_value;
  86 }
  87
  88 void wxSpinButton::SetValue(int val)
  89 {
  90     m_value = val ;
  91 }
  92
  93 void wxSpinButton::SetRange(int minVal, int maxVal)
  94 {
  95     m_min = minVal;
  96     m_max = maxVal;
  97     SetControl32BitMaximum( (ControlHandle) m_macControl , maxVal ) ;
  98     SetControl32BitMinimum((ControlHandle) m_macControl , minVal ) ;
  99 }
 100
 101 void wxSpinButton::MacHandleValueChanged( int inc )
 102 {
 103
 104     wxEventType scrollEvent = wxEVT_NULL;
 105     int oldValue = m_value ;
 106
 107     m_value = oldValue + inc;
 108
 109     if (m_value < m_min)
 110     {
 111         if ( m_windowStyle & wxSP_WRAP )
 112             m_value = m_max;
 113         else
 114             m_value = m_min;
 115     }
 116
 117     if (m_value > m_max)
 118     {
 119         if ( m_windowStyle & wxSP_WRAP )
 120             m_value = m_min;
 121         else
 122             m_value = m_max;
 123     }
 124
 125     if ( m_value - oldValue == -1 )
 126         scrollEvent = wxEVT_SCROLL_LINEDOWN ;
 127     else if ( m_value - oldValue == 1 )
 128         scrollEvent = wxEVT_SCROLL_LINEUP ;
 129     else
 130         scrollEvent = wxEVT_SCROLL_THUMBTRACK ;
 131
 132     wxSpinEvent event(scrollEvent, m_windowId);
 133
 134     event.SetPosition(m_value);
 135     event.SetEventObject( this );
 136     if ((GetEventHandler()->ProcessEvent( event )) &&
 137         !event.IsAllowed() )
 138     {
 139         m_value = oldValue ;
 140     }
 141     SetControl32BitValue( (ControlHandle) m_macControl , m_value ) ;
 142
 143     /* always send a thumbtrack event */
 144     if (scrollEvent != wxEVT_SCROLL_THUMBTRACK)
 145     {
 146         scrollEvent = wxEVT_SCROLL_THUMBTRACK;
 147         wxSpinEvent event2( scrollEvent, GetId());
 148         event2.SetPosition( m_value );
 149         event2.SetEventObject( this );
 150         GetEventHandler()->ProcessEvent( event2 );
 151     }
 152 }
 153
 154 void wxSpinButton::MacHandleControlClick( WXWidget control , wxInt16 controlpart , bool WXUNUSED(mouseStillDown))
 155 {
 156     if ( (ControlHandle) m_macControl == NULL )
 157         return ;
 158
 159     int nScrollInc = 0;
 160
 161     switch( controlpart )
 162     {
 163     case kControlUpButtonPart :
 164         nScrollInc = 1;
 165         break ;
 166     case kControlDownButtonPart :
 167         nScrollInc = -1;
 168         break ;
 169     }
 170     MacHandleValueChanged( nScrollInc ) ;
 171
 172 }
 173
 174 // ----------------------------------------------------------------------------
 175 // size calculation
 176 // ----------------------------------------------------------------------------
 177
 178 wxSize wxSpinButton::DoGetBestSize() const
 179 {
 180     return wxSize(16,24);
 181 }
 182