| 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 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) |
| 22 | #pragma implementation "timerbase.h" |
| 23 | #endif |
| 24 | |
| 25 | // For compilers that support precompilation, includes "wx.h". |
| 26 | #include "wx/wxprec.h" |
| 27 | |
| 28 | #ifdef __BORLANDC__ |
| 29 | #pragma hdrstop |
| 30 | #endif |
| 31 | |
| 32 | #if wxUSE_TIMER |
| 33 | |
| 34 | #ifndef WX_PRECOMP |
| 35 | #include "wx/timer.h" |
| 36 | #endif |
| 37 | |
| 38 | // ---------------------------------------------------------------------------- |
| 39 | // wxWin macros |
| 40 | // ---------------------------------------------------------------------------- |
| 41 | |
| 42 | IMPLEMENT_DYNAMIC_CLASS(wxTimerEvent, wxEvent) |
| 43 | |
| 44 | // ============================================================================ |
| 45 | // wxTimerBase implementation |
| 46 | // ============================================================================ |
| 47 | |
| 48 | wxTimerBase::~wxTimerBase() |
| 49 | { |
| 50 | // this destructor is required for Darwin |
| 51 | } |
| 52 | |
| 53 | void wxTimerBase::Notify() |
| 54 | { |
| 55 | // the base class version generates an event if it has owner - which it |
| 56 | // should because otherwise nobody can process timer events |
| 57 | wxCHECK_RET( m_owner, _T("wxTimer::Notify() should be overridden.") ); |
| 58 | |
| 59 | wxTimerEvent event(m_idTimer, m_milli); |
| 60 | (void)m_owner->ProcessEvent(event); |
| 61 | } |
| 62 | |
| 63 | bool wxTimerBase::Start(int milliseconds, bool oneShot) |
| 64 | { |
| 65 | // under MSW timers only work when they're started from the main thread so |
| 66 | // let the caller know about it |
| 67 | #if wxUSE_THREADS |
| 68 | wxASSERT_MSG( wxThread::IsMain(), |
| 69 | _T("timer can only be started from the main thread") ); |
| 70 | #endif // wxUSE_THREADS |
| 71 | |
| 72 | if ( IsRunning() ) |
| 73 | { |
| 74 | // not stopping the already running timer might work for some |
| 75 | // platforms (no problems under MSW) but leads to mysterious crashes |
| 76 | // on the others (GTK), so to be on the safe side do it here |
| 77 | Stop(); |
| 78 | } |
| 79 | |
| 80 | if ( milliseconds != -1 ) |
| 81 | { |
| 82 | m_milli = milliseconds; |
| 83 | } |
| 84 | |
| 85 | m_oneShot = oneShot; |
| 86 | |
| 87 | return TRUE; |
| 88 | } |
| 89 | |
| 90 | #endif // wxUSE_TIMER |
| 91 | |