try to clear the device/logical unit fog; remove unused and unsupported (an assertion...

[wxWidgets.git] / src / msw / timer.cpp

diff --git a/src/msw/timer.cpp b/src/msw/timer.cpp
index 6189c291602ff92ad86b83ec1b271e3828a65e8c..90279587056034653bc5a748ad219a0d43f75c69 100644 (file)
--- a/src/msw/timer.cpp
+++ b/src/msw/timer.cpp
@@ -1,18 +1,14 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        timer.cpp
+// Name:        src/msw/timer.cpp

 // Purpose:     wxTimer implementation
 // Author:      Julian Smart
 // Purpose:     wxTimer implementation
 // Author:      Julian Smart

-// Modified by:
+// Modified by: Vadim Zeitlin (use hash map instead of list, global rewrite)

 // Created:     04/01/98
 // RCS-ID:      $Id$
 // Created:     04/01/98
 // RCS-ID:      $Id$

-// Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:    wxWindows license
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
-    #pragma implementation "timer.h"
-#endif
-

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 


@@ -20,132 +16,129 @@
     #pragma hdrstop
 #endif
 
     #pragma hdrstop
 #endif
 

-#include "wx/window.h"
-#include "wx/msw/private.h"
+#if wxUSE_TIMER
+
+#include "wx/msw/private/timer.h"

 
 #ifndef WX_PRECOMP
 
 #ifndef WX_PRECOMP

-    #include "wx/setup.h"

     #include "wx/list.h"
     #include "wx/event.h"
     #include "wx/app.h"
     #include "wx/list.h"
     #include "wx/event.h"
     #include "wx/app.h"

+    #include "wx/intl.h"
+    #include "wx/log.h"
+    #include "wx/hashmap.h"

 #endif
 
 #endif
 

-#include "wx/intl.h"
-#include "wx/log.h"
-
-#include "wx/timer.h"
-
-#include <time.h>
-#include <sys/types.h>
-
-#if !defined(__SC__) && !defined(__GNUWIN32__) && !defined(__MWERKS__)
-    #include <sys/timeb.h>
-#endif
+#include "wx/msw/private.h"

 
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------

-// private functions
+// private globals

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

-wxList wxTimerList(wxKEY_INTEGER);
-UINT WINAPI _EXPORT wxTimerProc(HWND hwnd, WORD, int idTimer, DWORD);
+// define a hash containing all the timers: it is indexed by timer id and
+// contains the corresponding timer
+WX_DECLARE_HASH_MAP(unsigned long, wxMSWTimerImpl *, 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;
+}

 
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------

-// macros
+// private functions

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

-#ifdef __WIN32__
-    #define _EXPORT /**/
-#else
-    #define _EXPORT _export
-#endif
-
-#if !USE_SHARED_LIBRARY
-    IMPLEMENT_ABSTRACT_CLASS(wxTimer, wxObject)
-#endif
+// timer callback used for all timers
+void WINAPI wxTimerProc(HWND hwnd, UINT msg, UINT_PTR idTimer, DWORD dwTime);

 
 // ============================================================================
 // implementation
 // ============================================================================
 
 // ----------------------------------------------------------------------------
 
 // ============================================================================
 // implementation
 // ============================================================================
 
 // ----------------------------------------------------------------------------

-// wxTimer class
+// wxMSWTimerImpl class

 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------

-wxTimer::wxTimer(void)
-{
-    milli = 0 ;
-    lastMilli = -1 ;
-    id = 0;
-}

 
 

-wxTimer::~wxTimer(void)
+bool wxMSWTimerImpl::Start(int milliseconds, bool oneShot)

 {
 {

-    Stop();
-
-    wxTimerList.DeleteObject(this);
-}
-
-bool wxTimer::Start(int milliseconds, bool mode)
-{
-    oneShot = mode ;
-    if (milliseconds < 0)
-        milliseconds = lastMilli;
-
-    wxCHECK_MSG( milliseconds > 0, FALSE, _T("invalid value for timer timeour") );
-
-    lastMilli = milli = milliseconds;
-
-    wxTimerList.DeleteObject(this);
-    TIMERPROC wxTimerProcInst = (TIMERPROC)
-        MakeProcInstance((FARPROC)wxTimerProc, wxGetInstance());
-
-    id = SetTimer(NULL, (UINT)(id ? id : 1),
-                  (UINT)milliseconds, wxTimerProcInst);
-    if (id > 0)
+    if ( !wxTimerImpl::Start(milliseconds, oneShot) )
+        return false;
+
+    m_id = ::SetTimer
+             (
+                NULL,                       // don't use window
+                1,                          // id ignored with NULL hwnd anyhow
+                (UINT)m_milli,              // delay
+                wxTimerProc                 // timer proc to call
+             );
+
+    if ( !m_id )

     {
     {

-        wxTimerList.Append(id, this);
+        wxLogSysError(_("Couldn't create a timer"));

 
 

-        return TRUE;
+        return false;

     }
     }

-    else
+
+    // 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_id) != TimerMap().end() )

     {
     {

-        wxLogSysError(_("Couldn't create a timer"));
+        wxLogError(_("Timer creation failed."));

 
 

-        return FALSE;
+        ::KillTimer(NULL, m_id);
+        m_id = 0;
+
+        return false;

     }
     }

+
+    TimerMap()[m_id] = this;
+
+    return true;

 }
 
 }
 

-void wxTimer::Stop(void)
+void wxMSWTimerImpl::Stop()

 {
 {

-    if (id) {
-        KillTimer(NULL, (UINT)id);
-        wxTimerList.DeleteObject(this); /* @@@@ */
-    }
-    id = 0 ;
-    milli = 0 ;
+    wxASSERT_MSG( m_id, _T("should be running") );
+
+    ::KillTimer(NULL, m_id);
+
+    TimerMap().erase(m_id);
+
+    m_id = 0;

 }
 
 // ----------------------------------------------------------------------------
 // private functions
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------
 // private functions
 // ----------------------------------------------------------------------------

-void wxProcessTimer(wxTimer& timer)
+
+void wxProcessTimer(wxMSWTimerImpl& timer)

 {
 {

-    // Avoid to process spurious timer events
-    if ( timer.id == 0)
-        return;
+    wxASSERT_MSG( timer.IsRunning(), _T("bogus timer id") );

 
 

-    if ( timer.oneShot )
+    if ( timer.IsOneShot() )

         timer.Stop();
 
     timer.Notify();
 }
 
         timer.Stop();
 
     timer.Notify();
 }
 

-UINT WINAPI _EXPORT wxTimerProc(HWND WXUNUSED(hwnd), WORD, int idTimer, DWORD)
+void WINAPI
+wxTimerProc(HWND WXUNUSED(hwnd),
+            UINT WXUNUSED(msg),
+            UINT_PTR idTimer,
+            DWORD WXUNUSED(dwTime))

 {
 {

-    wxNode *node = wxTimerList.Find((long)idTimer);
+    wxTimerMap::iterator node = TimerMap().find((unsigned long)idTimer);

 
 

-    wxCHECK_MSG( node, 0, _T("bogus timer id in wxTimerProc") );
+    wxCHECK_RET( node != TimerMap().end(), wxT("bogus timer id in wxTimerProc") );

 
 

-    wxProcessTimer(*(wxTimer *)node->Data());
-
-    return 0;
+    wxProcessTimer(*(node->second));

 }
 }

+
+#endif // wxUSE_TIMER