src/mac/carbon/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 extern ControlActionUPP wxMacLiveScrollbarActionUPP ;
  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     m_macIsUserPane = FALSE ;
  44
  45     if ( !wxSpinButtonBase::Create(parent, id, pos, size,
  46                                    style, wxDefaultValidator, name) )
  47         return false;
  48
  49     m_min = 0;
  50     m_max = 100;
  51
  52     if (!parent)
  53         return FALSE;
  54
  55     Rect bounds = wxMacGetBoundsForControl( this , pos , size ) ;
  56
  57     m_peer = new wxMacControl() ;
  58     verify_noerr ( CreateLittleArrowsControl( MAC_WXHWND(parent->MacGetTopLevelWindowRef()) , &bounds , 0 , m_min , m_max , 1 ,
  59      *m_peer ) );
  60
  61     SetControlAction( *m_peer , wxMacLiveScrollbarActionUPP ) ;
  62     MacPostControlCreate(pos,size) ;
  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     return m_value;
  87 }
  88
  89 void wxSpinButton::SetValue(int val)
  90 {
  91     m_value = val ;
  92 }
  93
  94 void wxSpinButton::SetRange(int minVal, int maxVal)
  95 {
  96     m_min = minVal;
  97     m_max = maxVal;
  98     SetControl32BitMaximum( *m_peer , maxVal ) ;
  99     SetControl32BitMinimum(*m_peer , minVal ) ;
 100 }
 101
 102 void wxSpinButton::MacHandleValueChanged( int inc )
 103 {
 104
 105     wxEventType scrollEvent = wxEVT_NULL;
 106     int oldValue = m_value ;
 107
 108     m_value = oldValue + inc;
 109
 110     if (m_value < m_min)
 111     {
 112         if ( m_windowStyle & wxSP_WRAP )
 113             m_value = m_max;
 114         else
 115             m_value = m_min;
 116     }
 117
 118     if (m_value > m_max)
 119     {
 120         if ( m_windowStyle & wxSP_WRAP )
 121             m_value = m_min;
 122         else
 123             m_value = m_max;
 124     }
 125
 126     if ( m_value - oldValue == -1 )
 127         scrollEvent = wxEVT_SCROLL_LINEDOWN ;
 128     else if ( m_value - oldValue == 1 )
 129         scrollEvent = wxEVT_SCROLL_LINEUP ;
 130     else
 131         scrollEvent = wxEVT_SCROLL_THUMBTRACK ;
 132
 133     wxSpinEvent event(scrollEvent, m_windowId);
 134
 135     event.SetPosition(m_value);
 136     event.SetEventObject( this );
 137     if ((GetEventHandler()->ProcessEvent( event )) &&
 138         !event.IsAllowed() )
 139     {
 140         m_value = oldValue ;
 141     }
 142     SetControl32BitValue( *m_peer , m_value ) ;
 143
 144     /* always send a thumbtrack event */
 145     if (scrollEvent != wxEVT_SCROLL_THUMBTRACK)
 146     {
 147         scrollEvent = wxEVT_SCROLL_THUMBTRACK;
 148         wxSpinEvent event2( scrollEvent, GetId());
 149         event2.SetPosition( m_value );
 150         event2.SetEventObject( this );
 151         GetEventHandler()->ProcessEvent( event2 );
 152     }
 153 }
 154
 155 void wxSpinButton::MacHandleControlClick( WXWidget control , wxInt16 controlpart , bool mouseStillDown )
 156 {
 157     int nScrollInc = 0;
 158
 159     switch( controlpart )
 160     {
 161     case kControlUpButtonPart :
 162         nScrollInc = 1;
 163         break ;
 164     case kControlDownButtonPart :
 165         nScrollInc = -1;
 166         break ;
 167     }
 168     MacHandleValueChanged( nScrollInc ) ;
 169 }
 170
 171 wxInt32 wxSpinButton::MacControlHit(WXEVENTHANDLERREF WXUNUSED(handler) , WXEVENTREF event )
 172 {
 173     /*
 174     // these have been handled by the live action proc already
 175     int nScrollInc = 0;
 176     wxMacCarbonEvent cEvent( (EventRef) event ) ;
 177
 178     switch( cEvent.GetParameter<ControlPartCode>(kEventParamControlPart,typeControlPartCode) )
 179     {
 180     case kControlUpButtonPart :
 181         nScrollInc = 1;
 182         break ;
 183     case kControlDownButtonPart :
 184         nScrollInc = -1;
 185         break ;
 186     }
 187     MacHandleValueChanged( nScrollInc ) ;
 188     */
 189     return noErr ;
 190 }
 191
 192 // ----------------------------------------------------------------------------
 193 // size calculation
 194 // ----------------------------------------------------------------------------
 195
 196 wxSize wxSpinButton::DoGetBestSize() const
 197 {
 198     return wxSize(16,24);
 199 }
 200