src/common/timercmn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        common/timercmn.cpp
   3 // Purpose:     wxTimerBase implementation
   4 // Author:      Julian Smart, Guillermo Rodriguez, Vadim Zeitlin
   5 // Modified by: VZ: extracted all non-wxTimer stuff in stopwatch.cpp (20.06.03)
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 //              (c) 1999 Guillermo Rodriguez <guille@iies.es>
  10 // Licence:     wxWindows licence
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 // ============================================================================
  14 // declarations
  15 // ============================================================================
  16
  17 // ----------------------------------------------------------------------------
  18 // wxWin headers
  19 // ----------------------------------------------------------------------------
  20
  21 // For compilers that support precompilation, includes "wx.h".
  22 #include "wx/wxprec.h"
  23
  24 #ifdef __BORLANDC__
  25     #pragma hdrstop
  26 #endif
  27
  28 #if wxUSE_TIMER
  29
  30 #ifndef WX_PRECOMP
  31     #include "wx/app.h"
  32 #endif
  33
  34 #include "wx/timer.h"
  35 #include "wx/apptrait.h"
  36 #include "wx/private/timer.h"
  37
  38 // ----------------------------------------------------------------------------
  39 // wxWin macros
  40 // ----------------------------------------------------------------------------
  41
  42 IMPLEMENT_ABSTRACT_CLASS(wxTimerEvent, wxEvent)
  43
  44 // ============================================================================
  45 // wxTimerBase implementation
  46 // ============================================================================
  47
  48 wxTimer::~wxTimer()
  49 {
  50     Stop();
  51
  52     delete m_impl;
  53 }
  54
  55 void wxTimer::Init()
  56 {
  57     wxAppTraits * const traits = wxTheApp ? wxTheApp->GetTraits() : NULL;
  58     m_impl = traits ? traits->CreateTimerImpl(this) : NULL;
  59     if ( !m_impl )
  60     {
  61         wxFAIL_MSG( _T("No timer implementation for this platform") );
  62
  63     }
  64 }
  65
  66 // ============================================================================
  67 // rest of wxTimer implementation forwarded to wxTimerImpl
  68 // ============================================================================
  69
  70 void wxTimer::SetOwner(wxEvtHandler *owner, int timerid)
  71 {
  72     wxCHECK_RET( m_impl, _T("uninitialized timer") );
  73
  74     m_impl->SetOwner(owner, timerid);
  75 }
  76
  77 wxEvtHandler *wxTimer::GetOwner() const
  78 {
  79     wxCHECK_MSG( m_impl, NULL, _T("uninitialized timer") );
  80
  81     return m_impl->GetOwner();
  82 }
  83
  84 bool wxTimer::Start(int milliseconds, bool oneShot)
  85 {
  86     wxCHECK_MSG( m_impl, false, _T("uninitialized timer") );
  87
  88     return m_impl->Start(milliseconds, oneShot);
  89 }
  90
  91 void wxTimer::Stop()
  92 {
  93     wxCHECK_RET( m_impl, _T("uninitialized timer") );
  94
  95     if ( m_impl->IsRunning() )
  96         m_impl->Stop();
  97 }
  98
  99 void wxTimer::Notify()
 100 {
 101     // the base class version generates an event if it has owner - which it
 102     // should because otherwise nobody can process timer events
 103     wxCHECK_RET( GetOwner(), _T("wxTimer::Notify() should be overridden.") );
 104
 105     m_impl->SendEvent();
 106 }
 107
 108 bool wxTimer::IsRunning() const
 109 {
 110     wxCHECK_MSG( m_impl, false, _T("uninitialized timer") );
 111
 112     return m_impl->IsRunning();
 113 }
 114
 115 int wxTimer::GetId() const
 116 {
 117     wxCHECK_MSG( m_impl, wxID_ANY, _T("uninitialized timer") );
 118
 119     return m_impl->GetId();
 120 }
 121
 122 int wxTimer::GetInterval() const
 123 {
 124     wxCHECK_MSG( m_impl, -1, _T("uninitialized timer") );
 125
 126     return m_impl->GetInterval();
 127 }
 128
 129 bool wxTimer::IsOneShot() const
 130 {
 131     wxCHECK_MSG( m_impl, false, _T("uninitialized timer") );
 132
 133     return m_impl->IsOneShot();
 134 }
 135
 136 #endif // wxUSE_TIMER
 137