src/mac/carbon/spinbutt.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        spinbutt.cpp
   3 // Purpose:     wxSpinButton
   4 // Author:      AUTHOR
   5 // Modified by:
   6 // Created:     ??/??/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) AUTHOR
   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 ,  "" , pos , size ,style,*( (wxValidator*) NULL ) , name , &bounds , title ) ;
  51
  52         m_macControl = UMANewControl( parent->GetMacRootWindow() , &bounds , title , false , 0 , 0 , 100,
  53                 kControlLittleArrowsProc , (long) this ) ;
  54
  55         wxASSERT_MSG( m_macControl != NULL , "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   wxScrollEvent event(wxEVT_SCROLL_THUMBTRACK, m_windowId);
  88
  89   event.SetPosition(m_value);
  90   event.SetEventObject( this );
  91   GetEventHandler()->ProcessEvent(event);
  92 }
  93
  94 void wxSpinButton::SetRange(int minVal, int maxVal)
  95 {
  96         m_min = minVal;
  97         m_max = maxVal;
  98     SetControlMaximum( m_macControl , maxVal ) ;
  99     SetControlMinimum(  m_macControl , minVal ) ;
 100 }
 101
 102 void wxSpinButton::MacHandleControlClick( ControlHandle control , SInt16 controlpart )
 103 {
 104         if ( m_macControl == NULL )
 105                 return ;
 106
 107         int oldValue = m_value ;
 108   wxEventType scrollEvent = wxEVT_NULL;
 109   int nScrollInc = 0;
 110
 111         switch( controlpart )
 112         {
 113                 case kControlUpButtonPart :
 114         nScrollInc = 1;
 115         scrollEvent = wxEVT_SCROLL_LINEUP;
 116                         break ;
 117                 case kControlDownButtonPart :
 118         nScrollInc = -1;
 119         scrollEvent = wxEVT_SCROLL_LINEDOWN;
 120                         break ;
 121         }
 122
 123   m_value = m_value + nScrollInc;
 124
 125   if (m_value < m_min)
 126   {
 127         if ( m_windowStyle & wxSP_WRAP )
 128       m_value = m_max;
 129         else
 130       m_value = m_min;
 131   }
 132
 133   if (m_value > m_max)
 134   {
 135         if ( m_windowStyle & wxSP_WRAP )
 136       m_value = m_min;
 137     else
 138       m_value = m_max;
 139   }
 140
 141   wxSpinEvent event(scrollEvent, m_windowId);
 142
 143   event.SetPosition(m_value);
 144   event.SetEventObject( this );
 145   if ((GetEventHandler()->ProcessEvent( event )) &&
 146         !event.IsAllowed() )
 147   {
 148         m_value = oldValue ;
 149   }
 150   SetControlValue(  m_macControl , m_value ) ;
 151
 152     /* always send a thumbtrack event */
 153     if (scrollEvent != wxEVT_SCROLL_THUMBTRACK)
 154     {
 155         scrollEvent = wxEVT_SCROLL_THUMBTRACK;
 156         wxSpinEvent event2( scrollEvent, GetId());
 157         event2.SetPosition( m_value );
 158         event2.SetEventObject( this );
 159         GetEventHandler()->ProcessEvent( event2 );
 160     }
 161 }
 162
 163 // ----------------------------------------------------------------------------
 164 // size calculation
 165 // ----------------------------------------------------------------------------
 166
 167 wxSize wxSpinButton::DoGetBestSize() const
 168 {
 169     if ( (GetWindowStyle() & wxSP_VERTICAL) != 0 )
 170     {
 171         // vertical control
 172         return wxSize(16,
 173                       2*16);
 174     }
 175     else
 176     {
 177         // horizontal control
 178         return wxSize(2*16,
 179                       16);
 180     }
 181 }
 182