// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
+#ifdef __GNUG__
+ #pragma implementation "timer.h"
+#endif
+
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#include <sys/timeb.h>
+// ----------------------------------------------------------------------------
+// private globals
+// ----------------------------------------------------------------------------
+
+// define a hash containing all the timers: it is indexed by timer id and
+// contains the corresponding timer
+WX_DECLARE_HASH_MAP(unsigned long, wxTimer *, wxIntegerHash, wxIntegerEqual,
+ wxTimerMap);
+
+// instead of using a global here, wrap it in a static function as otherwise it
+// could have been used before being initialized if a timer object were created
+// globally
+static wxTimerMap& TimerMap()
+{
+ static wxTimerMap s_timerMap;
+
+ return s_timerMap;
+}
+
// ----------------------------------------------------------------------------
// private functions
// ----------------------------------------------------------------------------
-wxList wxTimerList(wxKEY_INTEGER);
-UINT wxTimerProc(HWND hwnd, WORD, int idTimer, DWORD);
+// timer callback used for all timers
+ULONG wxTimerProc(HWND hwnd, ULONG, int nIdTimer, ULONG);
// ----------------------------------------------------------------------------
// macros
// ----------------------------------------------------------------------------
-#if !USE_SHARED_LIBRARY
-IMPLEMENT_ABSTRACT_CLASS(wxTimer, wxObject)
-#endif
+IMPLEMENT_ABSTRACT_CLASS(wxTimer, wxEvtHandler)
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// wxTimer class
+// ----------------------------------------------------------------------------
-wxTimer::wxTimer()
+void wxTimer::Init()
{
- milli = 0 ;
- id = 0;
- oneShot = FALSE;
+ m_ulId = 0;
}
wxTimer::~wxTimer()
{
- Stop();
-
- wxTimerList.DeleteObject(this);
+ wxTimer::Stop();
}
-bool wxTimer::Start(int milliseconds,bool mode)
+void wxTimer::Notify()
{
- oneShot = mode;
- if (milliseconds < 0)
- milliseconds = lastMilli;
-
- wxCHECK_MSG( milliseconds > 0, FALSE, wxT("invalid value for timer timeour") );
+ //
+ // The base class version generates an event if it has owner - which it
+ // should because otherwise nobody can process timer events, but it does
+ // not use the OS's ID, which OS/2 must have to figure out which timer fired
+ //
+ wxCHECK_RET( m_owner, _T("wxTimer::Notify() should be overridden.") );
+
+ wxTimerEvent vEvent( m_idTimer
+ ,m_milli
+ );
+
+ (void)m_owner->ProcessEvent(vEvent);
+} // end of wxTimer::Notify
+
+bool wxTimer::Start(
+ int nMilliseconds
+, bool bOneShot
+)
+{
+ (void)wxTimerBase::Start( nMilliseconds
+ ,bOneShot
+ );
- lastMilli = milli = milliseconds;
+ wxCHECK_MSG( m_milli > 0L, FALSE, wxT("invalid value for timer") );
- wxTimerList.DeleteObject(this);
-// TODO:
-/*
- TIMERPROC wxTimerProcInst = (TIMERPROC)
- MakeProcInstance((FARPROC)wxTimerProc, wxGetInstance());
+ wxWindow* pWin = NULL;
- id = SetTimer(NULL, (UINT)(id ? id : 1),
- (UINT)milliseconds, wxTimerProcInst);
-*/
- if (id > 0)
+ if (m_owner)
+ {
+ pWin = (wxWindow*)m_owner;
+ m_ulId = ::WinStartTimer( m_Hab
+ ,pWin->GetHWND()
+ ,m_idTimer
+ ,(ULONG)nMilliseconds
+ );
+ }
+ else
+ m_ulId = ::WinStartTimer( m_Hab
+ ,NULLHANDLE
+ ,0
+ ,(ULONG)nMilliseconds
+ );
+ if (m_ulId > 0L)
{
- wxTimerList.Append(id, this);
+ // check that SetTimer() didn't reuse an existing id: according to
+ // the MSDN this can happen and this would be catastrophic to us as
+ // we rely on ids uniquely identifying the timers because we use
+ // them as keys in the hash
+ if ( TimerMap().find(m_ulId) != TimerMap().end() )
+ {
+ wxLogError(_("Timer creation failed."));
- return TRUE;
+ ::WinStopTimer(m_Hab, pWin?(pWin->GetHWND()):NULL, m_ulId);
+ m_ulId = 0;
+
+ return false;
+ }
+
+ TimerMap()[m_ulId] = this;
+
+ return true;
}
else
{
wxLogSysError(_("Couldn't create a timer"));
- return FALSE;
+ return(FALSE);
}
}
void wxTimer::Stop()
{
- if ( id )
+ if ( m_ulId )
{
-// KillTimer(NULL, (UINT)id);
- wxTimerList.DeleteObject(this);
+ if (m_owner)
+ {
+ wxWindow* pWin = (wxWindow*)m_owner;
+
+ ::WinStopTimer(m_Hab, pWin->GetHWND(), m_ulId);
+ }
+ else
+ ::WinStopTimer(m_Hab, NULLHANDLE, m_ulId);
+
+ TimerMap().erase(m_ulId);
}
- id = 0;
- milli = 0;
+ m_ulId = 0L;
}
// ----------------------------------------------------------------------------
// private functions
// ----------------------------------------------------------------------------
-void wxProcessTimer(wxTimer& timer)
+void wxProcessTimer(
+ wxTimer& rTimer
+)
{
+ //
// Avoid to process spurious timer events
- if ( timer.id == 0)
+ //
+ if (rTimer.m_ulId == 0L)
return;
- if ( timer.oneShot )
- timer.Stop();
+ if (rTimer.IsOneShot())
+ rTimer.Stop();
- timer.Notify();
+ rTimer.Notify();
}
-UINT wxTimerProc(HWND WXUNUSED(hwnd), WORD, int idTimer, DWORD)
+ULONG wxTimerProc(
+ HWND WXUNUSED(hwnd)
+, ULONG
+, int nIdTimer
+, ULONG
+)
{
- wxNode *node = wxTimerList.Find((long)idTimer);
-
- wxCHECK_MSG( node, 0, wxT("bogus timer id in wxTimerProc") );
-
- wxProcessTimer(*(wxTimer *)node->Data());
+ wxTimerMap::iterator node = TimerMap().find((ULONG)nIdTimer);
+ wxCHECK_MSG(node != TimerMap().end(), 0,
+ wxT("bogus timer id in wxTimerProc") );
+ wxProcessTimer(*(node->second));
return 0;
}
projects / wxWidgets.git / blobdiff