| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: timer.cpp |
| 3 | // Purpose: wxTimer implementation |
| 4 | // Author: David Webster |
| 5 | // Modified by: |
| 6 | // Created: 10/17/99 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) David Webster |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // For compilers that support precompilation, includes "wx.h". |
| 13 | #include "wx/wxprec.h" |
| 14 | |
| 15 | #include "wx/window.h" |
| 16 | #include "wx/os2/private.h" |
| 17 | |
| 18 | #ifndef WX_PRECOMP |
| 19 | #include "wx/setup.h" |
| 20 | #include "wx/list.h" |
| 21 | #include "wx/event.h" |
| 22 | #include "wx/app.h" |
| 23 | #endif |
| 24 | |
| 25 | #include "wx/intl.h" |
| 26 | #include "wx/log.h" |
| 27 | |
| 28 | #include "wx/timer.h" |
| 29 | |
| 30 | #include <time.h> |
| 31 | #include <sys/types.h> |
| 32 | |
| 33 | #include <sys/timeb.h> |
| 34 | // ---------------------------------------------------------------------------- |
| 35 | // private functions |
| 36 | // ---------------------------------------------------------------------------- |
| 37 | |
| 38 | wxList wxTimerList(wxKEY_INTEGER); |
| 39 | ULONG wxTimerProc(HWND hwnd, ULONG, int nIdTimer, ULONG); |
| 40 | |
| 41 | // ---------------------------------------------------------------------------- |
| 42 | // macros |
| 43 | // ---------------------------------------------------------------------------- |
| 44 | |
| 45 | IMPLEMENT_ABSTRACT_CLASS(wxTimer, wxObject) |
| 46 | |
| 47 | wxTimer::wxTimer() |
| 48 | { |
| 49 | m_ulId = 0; |
| 50 | } |
| 51 | |
| 52 | wxTimer::~wxTimer() |
| 53 | { |
| 54 | Stop(); |
| 55 | |
| 56 | wxTimerList.DeleteObject(this); |
| 57 | } |
| 58 | |
| 59 | bool wxTimer::Start( |
| 60 | int nMilliseconds |
| 61 | , bool bOneShot |
| 62 | ) |
| 63 | { |
| 64 | (void)wxTimerBase::Start( nMilliseconds |
| 65 | ,bOneShot |
| 66 | ); |
| 67 | |
| 68 | wxCHECK_MSG( m_milli > 0L, FALSE, wxT("invalid value for timer") ); |
| 69 | |
| 70 | wxTimerList.DeleteObject(this); |
| 71 | |
| 72 | // |
| 73 | // Create a windowless timer |
| 74 | // |
| 75 | m_ulId = ::WinStartTimer( m_Hab |
| 76 | ,NULL |
| 77 | ,(m_ulId ? m_ulId : 1L) |
| 78 | ,(ULONG)nMilliseconds |
| 79 | ); |
| 80 | if (m_ulId > 0L) |
| 81 | { |
| 82 | wxTimerList.Append( m_ulId |
| 83 | ,this |
| 84 | ); |
| 85 | return(TRUE); |
| 86 | } |
| 87 | else |
| 88 | { |
| 89 | wxLogSysError(_("Couldn't create a timer")); |
| 90 | |
| 91 | return(FALSE); |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | void wxTimer::Stop() |
| 96 | { |
| 97 | if ( m_ulId ) |
| 98 | { |
| 99 | ::WinStopTimer(m_Hab, NULL, m_ulId); |
| 100 | wxTimerList.DeleteObject(this); |
| 101 | } |
| 102 | m_ulId = 0L; |
| 103 | } |
| 104 | |
| 105 | // ---------------------------------------------------------------------------- |
| 106 | // private functions |
| 107 | // ---------------------------------------------------------------------------- |
| 108 | |
| 109 | void wxProcessTimer( |
| 110 | wxTimer& rTimer |
| 111 | ) |
| 112 | { |
| 113 | // |
| 114 | // Avoid to process spurious timer events |
| 115 | // |
| 116 | if (rTimer.m_ulId == 0L) |
| 117 | return; |
| 118 | |
| 119 | if (rTimer.IsOneShot()) |
| 120 | rTimer.Stop(); |
| 121 | |
| 122 | rTimer.Notify(); |
| 123 | } |
| 124 | |
| 125 | ULONG wxTimerProc( |
| 126 | HWND WXUNUSED(hwnd) |
| 127 | , ULONG |
| 128 | , int nIdTimer |
| 129 | , ULONG |
| 130 | ) |
| 131 | { |
| 132 | wxNode* pNode = wxTimerList.Find((ULONG)nIdTimer); |
| 133 | |
| 134 | wxCHECK_MSG(pNode, 0, wxT("bogus timer id in wxTimerProc") ); |
| 135 | |
| 136 | wxProcessTimer(*(wxTimer *)pNode->Data()); |
| 137 | return 0; |
| 138 | } |
| 139 | |