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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  13 #pragma implementation "spinbutt.h"
  14 #pragma implementation "spinbuttbase.h"
  15 #endif
  16
  17 #include "wx/wxprec.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 #if !USE_SHARED_LIBRARY
  33     IMPLEMENT_DYNAMIC_CLASS(wxSpinButton, wxControl)
  34     IMPLEMENT_DYNAMIC_CLASS(wxSpinEvent, wxScrollEvent)
  35 #endif
  36
  37 extern ControlActionUPP wxMacLiveScrollbarActionUPP ;
  38
  39 wxSpinButton::wxSpinButton()
  40    : wxSpinButtonBase()
  41 {
  42 }
  43
  44 bool wxSpinButton::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size,
  45         long style, const wxString& name)
  46 {
  47     m_macIsUserPane = false ;
  48
  49     if ( !wxSpinButtonBase::Create(parent, id, pos, size,
  50                                    style, wxDefaultValidator, name) )
  51         return false;
  52
  53     m_min = 0;
  54     m_max = 100;
  55
  56     if (!parent)
  57         return false;
  58
  59     Rect bounds = wxMacGetBoundsForControl( this , pos , size ) ;
  60
  61     m_peer = new wxMacControl() ;
  62     verify_noerr ( CreateLittleArrowsControl( MAC_WXHWND(parent->MacGetTopLevelWindowRef()) , &bounds , 0 , m_min , m_max , 1 ,
  63      m_peer->GetControlRefAddr() ) );
  64
  65     m_peer->SetActionProc( wxMacLiveScrollbarActionUPP ) ;
  66     MacPostControlCreate(pos,size) ;
  67
  68     return true;
  69 }
  70
  71 wxSpinButton::~wxSpinButton()
  72 {
  73 }
  74
  75 // Attributes
  76 ////////////////////////////////////////////////////////////////////////////
  77
  78 int wxSpinButton::GetMin() const
  79 {
  80     return m_min;
  81 }
  82
  83 int wxSpinButton::GetMax() const
  84 {
  85     return m_max;
  86 }
  87
  88 int wxSpinButton::GetValue() const
  89 {
  90     int n = m_value;
  91
  92     if (n < m_min) n = m_min;
  93     if (n > m_max) n = m_max;
  94
  95     return n;
  96 }
  97
  98 void wxSpinButton::SetValue(int val)
  99 {
 100     m_value = val ;
 101 }
 102
 103 void wxSpinButton::SetRange(int minVal, int maxVal)
 104 {
 105     m_min = minVal;
 106     m_max = maxVal;
 107     m_peer->SetMaximum( maxVal ) ;
 108     m_peer->SetMinimum( minVal ) ;
 109 }
 110
 111 void wxSpinButton::MacHandleValueChanged( int inc )
 112 {
 113
 114     wxEventType scrollEvent = wxEVT_NULL;
 115     int oldValue = m_value ;
 116
 117     m_value = oldValue + inc;
 118
 119     if (m_value < m_min)
 120     {
 121         if ( m_windowStyle & wxSP_WRAP )
 122             m_value = m_max;
 123         else
 124             m_value = m_min;
 125     }
 126
 127     if (m_value > m_max)
 128     {
 129         if ( m_windowStyle & wxSP_WRAP )
 130             m_value = m_min;
 131         else
 132             m_value = m_max;
 133     }
 134
 135     if ( m_value - oldValue == -1 )
 136         scrollEvent = wxEVT_SCROLL_LINEDOWN ;
 137     else if ( m_value - oldValue == 1 )
 138         scrollEvent = wxEVT_SCROLL_LINEUP ;
 139     else
 140         scrollEvent = wxEVT_SCROLL_THUMBTRACK ;
 141
 142     wxSpinEvent event(scrollEvent, m_windowId);
 143
 144     event.SetPosition(m_value);
 145     event.SetEventObject( this );
 146     if ((GetEventHandler()->ProcessEvent( event )) &&
 147         !event.IsAllowed() )
 148     {
 149         m_value = oldValue ;
 150     }
 151     m_peer->SetValue( m_value ) ;
 152
 153     /* always send a thumbtrack event */
 154     if (scrollEvent != wxEVT_SCROLL_THUMBTRACK)
 155     {
 156         scrollEvent = wxEVT_SCROLL_THUMBTRACK;
 157         wxSpinEvent event2( scrollEvent, GetId());
 158         event2.SetPosition( m_value );
 159         event2.SetEventObject( this );
 160         GetEventHandler()->ProcessEvent( event2 );
 161     }
 162 }
 163
 164 void wxSpinButton::MacHandleControlClick( WXWidget control , wxInt16 controlpart , bool mouseStillDown )
 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 wxInt32 wxSpinButton::MacControlHit(WXEVENTHANDLERREF WXUNUSED(handler) , WXEVENTREF event )
 181 {
 182     /*
 183     // these have been handled by the live action proc already
 184     int nScrollInc = 0;
 185     wxMacCarbonEvent cEvent( (EventRef) event ) ;
 186
 187     switch( cEvent.GetParameter<ControlPartCode>(kEventParamControlPart,typeControlPartCode) )
 188     {
 189     case kControlUpButtonPart :
 190         nScrollInc = 1;
 191         break ;
 192     case kControlDownButtonPart :
 193         nScrollInc = -1;
 194         break ;
 195     }
 196     MacHandleValueChanged( nScrollInc ) ;
 197     */
 198     return noErr ;
 199 }
 200
 201 // ----------------------------------------------------------------------------
 202 // size calculation
 203 // ----------------------------------------------------------------------------
 204
 205 wxSize wxSpinButton::DoGetBestSize() const
 206 {
 207     return wxSize(16,24);
 208 }
 209
 210 #endif // wxUSE_SPINBTN