X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d90895ac118ad4546eed7ee4c358a3fe644a1ad7..537a0880d225ab023024f6f5fc8955666b7641b8:/src/os2/timer.cpp

diff --git a/src/os2/timer.cpp b/src/os2/timer.cpp
index bca6302c87..7aa78227b3 100644
--- a/src/os2/timer.cpp
+++ b/src/os2/timer.cpp
@@ -9,6 +9,10 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
+#ifdef __GNUG__
+    #pragma implementation "timer.h"
+#endif
+
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -32,103 +36,178 @@
 
 #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;
 }