/////////////////////////////////////////////////////////////////////////////
-// Name: timer.cpp
+// Name: src/os2/timer.cpp
// Purpose: wxTimer implementation
// Author: David Webster
// Modified by:
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
- #pragma implementation "timer.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
-#include "wx/window.h"
-#include "wx/os2/private.h"
+#include "wx/timer.h"
#ifndef WX_PRECOMP
- #include "wx/setup.h"
#include "wx/list.h"
+ #include "wx/window.h"
#include "wx/event.h"
#include "wx/app.h"
+ #include "wx/intl.h"
+ #include "wx/log.h"
#endif
-#include "wx/intl.h"
-#include "wx/log.h"
-
-#include "wx/timer.h"
+#include "wx/os2/private.h"
#include <time.h>
#include <sys/types.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);
+// timer callback used for all timers
ULONG wxTimerProc(HWND hwnd, ULONG, int nIdTimer, ULONG);
// ----------------------------------------------------------------------------
// macros
// ----------------------------------------------------------------------------
-IMPLEMENT_ABSTRACT_CLASS(wxTimer, wxObject)
+IMPLEMENT_ABSTRACT_CLASS(wxTimer, wxEvtHandler)
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// wxTimer class
+// ----------------------------------------------------------------------------
void wxTimer::Init()
{
wxTimer::~wxTimer()
{
wxTimer::Stop();
-
- wxTimerList.DeleteObject(this);
}
void wxTimer::Notify()
(void)m_owner->ProcessEvent(vEvent);
} // end of wxTimer::Notify
-bool wxTimer::Start(
- int nMilliseconds
-, bool bOneShot
-)
+bool wxTimer::Start( int nMilliseconds, bool bOneShot )
{
- (void)wxTimerBase::Start( nMilliseconds
- ,bOneShot
- );
+ (void)wxTimerBase::Start( nMilliseconds, bOneShot );
- wxCHECK_MSG( m_milli > 0L, FALSE, wxT("invalid value for timer") );
+ wxCHECK_MSG( m_milli > 0L, false, wxT("invalid value for timer") );
- wxTimerList.DeleteObject(this);
-
- wxWindow* pWin = NULL;
+ wxWindow* pWin = NULL;
if (m_owner)
{
);
if (m_ulId > 0L)
{
- wxTimerList.Append( m_ulId
- ,this
- );
- return(TRUE);
+ // 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."));
+
+ ::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;
}
}
}
else
::WinStopTimer(m_Hab, NULLHANDLE, m_ulId);
- wxTimerList.DeleteObject(this);
+
+ TimerMap().erase(m_ulId);
}
m_ulId = 0L;
}
, ULONG
)
{
- wxNode* pNode = wxTimerList.Find((ULONG)nIdTimer);
+ wxTimerMap::iterator node = TimerMap().find((ULONG)nIdTimer);
- wxCHECK_MSG(pNode, 0, wxT("bogus timer id in wxTimerProc") );
- if (pNode)
- wxProcessTimer(*(wxTimer *)pNode->GetData());
+ wxCHECK_MSG(node != TimerMap().end(), 0,
+ wxT("bogus timer id in wxTimerProc") );
+ wxProcessTimer(*(node->second));
return 0;
}
-