]> git.saurik.com Git - wxWidgets.git/blobdiff - src/generic/timer.cpp
Ensure there is valid context for DrawRectangle
[wxWidgets.git] / src / generic / timer.cpp
index f38b03600e21fe53883435e96077bbfa8a3358a7..35dae55a81fd813e3e916e3319af67bfe6c41299 100644 (file)
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        mgl/timer.cpp
+// Name:        src/generic/timer.cpp
 // Purpose:     wxTimer implementation
 // Author:      Vaclav Slavik
 // Id:          $Id$
@@ -7,10 +7,6 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "timer.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #endif
 
 // ----------------------------------------------------------------------------
-// NB: when using generic wxTimer implementation in your port, you *must* call 
-//     wxTimer::NotifyTimers() often enough. The ideal place for this 
+// NB: when using generic wxTimer implementation in your port, you *must* call
+//     wxTimer::NotifyTimers() often enough. The ideal place for this
 //     is in wxEventLoop::Dispatch().
 // ----------------------------------------------------------------------------
 
-#include "wx/timer.h"
-
 #if wxUSE_TIMER
 
-#include "wx/log.h"
-#include "wx/module.h"
+#ifndef WX_PRECOMP
+    #include "wx/log.h"
+    #include "wx/module.h"
+#endif
+
+#include "wx/apptrait.h"
+#include "wx/generic/private/timer.h"
 
 // ----------------------------------------------------------------------------
 // Time input function
 // ----------------------------------------------------------------------------
 
-#ifdef __WXMGL__
-    // We take advantage of wxMGL's _EVT_getTicks because it is faster
-    // (especially under MS-DOS!) and more precise than wxGetLocalTimeMillis
-    // if we are unlucky and the latter combines information from two sources.
-    #include "wx/mgl/private.h"
-    extern "C" ulong _EVT_getTicks();
-    #define GetMillisecondsTime _EVT_getTicks
+#define GetMillisecondsTime wxGetLocalTimeMillis
 
-    typedef ulong wxTimerTick_t;
-#else
-    #define GetMillisecondsTime wxGetLocalTimeMillis
+typedef wxLongLong wxTimerTick_t;
 
-    typedef wxLongLong wxTimerTick_t;
-#endif
+#if wxUSE_LONGLONG_WX
+    #define wxTimerTickFmtSpec wxLongLongFmtSpec "d"
+    #define wxTimerTickPrintfArg(tt) (tt.GetValue())
+#else // using native wxLongLong
+    #define wxTimerTickFmtSpec wxT("s")
+    #define wxTimerTickPrintfArg(tt) (tt.ToString().c_str())
+#endif // wx/native long long
+
+inline bool wxTickGreaterEqual(wxTimerTick_t x, wxTimerTick_t y)
+{
+    return x >= y;
+}
 
 // ----------------------------------------------------------------------------
 // helper structures and wxTimerScheduler
 class wxTimerDesc
 {
 public:
-    wxTimerDesc(wxTimer *t) : 
-        timer(t), running(FALSE), next(NULL), prev(NULL), 
+    wxTimerDesc(wxGenericTimerImpl *t) :
+        timer(t), running(false), next(NULL), prev(NULL),
         shotTime(0), deleteFlag(NULL) {}
 
-    wxTimer         *timer;
-    bool             running;
-    wxTimerDesc     *next, *prev;
-    wxTimerTick_t    shotTime;  
-    volatile bool   *deleteFlag; // see comment in ~wxTimer
+    wxGenericTimerImpl  *timer;
+    bool                running;
+    wxTimerDesc         *next, *prev;
+    wxTimerTick_t        shotTime;
+    volatile bool       *deleteFlag; // see comment in ~wxTimer
 };
 
 class wxTimerScheduler
@@ -76,7 +77,7 @@ public:
     void QueueTimer(wxTimerDesc *desc, wxTimerTick_t when = 0);
     void RemoveTimer(wxTimerDesc *desc);
     void NotifyTimers();
-   
+
 private:
     wxTimerDesc *m_timers;
 };
@@ -85,15 +86,15 @@ void wxTimerScheduler::QueueTimer(wxTimerDesc *desc, wxTimerTick_t when)
 {
     if ( desc->running )
         return; // already scheduled
-        
+
     if ( when == 0 )
         when = GetMillisecondsTime() + desc->timer->GetInterval();
     desc->shotTime = when;
-    desc->running = TRUE;
+    desc->running = true;
 
     wxLogTrace( wxT("timer"),
-                wxT("queued timer %p at tick %") wxLongLongFmtSpec _T("d"), 
-               desc->timer,  when.GetValue());
+                wxT("queued timer %p at tick %") wxTimerTickFmtSpec,
+               desc->timer,  wxTimerTickPrintfArg(when));
 
     if ( m_timers )
     {
@@ -114,7 +115,7 @@ void wxTimerScheduler::QueueTimer(wxTimerDesc *desc, wxTimerTick_t when)
 
 void wxTimerScheduler::RemoveTimer(wxTimerDesc *desc)
 {
-    desc->running = FALSE;
+    desc->running = false;
     if ( desc == m_timers )
         m_timers = desc->next;
     if ( desc->prev )
@@ -131,27 +132,36 @@ void wxTimerScheduler::NotifyTimers()
         bool oneShot;
         volatile bool timerDeleted;
         wxTimerTick_t now = GetMillisecondsTime();
-        wxTimerDesc *desc;
 
-        while ( m_timers && m_timers->shotTime <= now )
+        for ( wxTimerDesc *desc = m_timers; desc; desc = desc->next )
         {
-            desc = m_timers;
-            oneShot = desc->timer->IsOneShot();
-            RemoveTimer(desc);
-
-            timerDeleted = FALSE;
-            desc->deleteFlag = &timerDeleted;
-            desc->timer->Notify();
-            
-            if ( !timerDeleted )
+            if ( desc->running && wxTickGreaterEqual(now, desc->shotTime) )
             {
-                wxLogTrace( wxT("timer"),
-                            wxT("notified timer %p sheduled for %") wxLongLongFmtSpec _T("d"), 
-                            desc->timer, desc->shotTime.GetValue() );
-
-                desc->deleteFlag = NULL;
-                if ( !oneShot )
-                    QueueTimer(desc, now + desc->timer->GetInterval());
+                oneShot = desc->timer->IsOneShot();
+                RemoveTimer(desc);
+
+                timerDeleted = false;
+                desc->deleteFlag = &timerDeleted;
+                desc->timer->Notify();
+
+                if ( !timerDeleted )
+                {
+                    wxLogTrace( wxT("timer"),
+                                wxT("notified timer %p sheduled for %")
+                                wxTimerTickFmtSpec,
+                                desc->timer,
+                                wxTimerTickPrintfArg(desc->shotTime) );
+
+                    desc->deleteFlag = NULL;
+                    if ( !oneShot )
+                        QueueTimer(desc, now + desc->timer->GetInterval());
+                }
+                else
+                {
+                    desc = m_timers;
+                    if (!desc)
+                        break;
+                }
             }
         }
     }
@@ -162,59 +172,57 @@ void wxTimerScheduler::NotifyTimers()
 // wxTimer
 // ----------------------------------------------------------------------------
 
-IMPLEMENT_ABSTRACT_CLASS(wxTimer,wxObject)
-
 wxTimerScheduler *gs_scheduler = NULL;
 
-void wxTimer::Init()
+void wxGenericTimerImpl::Init()
 {
     if ( !gs_scheduler )
         gs_scheduler = new wxTimerScheduler;
     m_desc = new wxTimerDesc(this);
 }
 
-wxTimer::~wxTimer()
+wxGenericTimerImpl::~wxGenericTimerImpl()
 {
     wxLogTrace( wxT("timer"), wxT("destroying timer %p..."), this);
     if ( IsRunning() )
         Stop();
 
     // NB: this is a hack: wxTimerScheduler must have some way of knowing
-    //     that wxTimer object was deleted under its hands -- this may 
+    //     that wxTimer object was deleted under its hands -- this may
     //     happen if somebody is really nasty and deletes the timer
     //     from wxTimer::Notify()
     if ( m_desc->deleteFlag != NULL )
-        *m_desc->deleteFlag = TRUE;
+        *m_desc->deleteFlag = true;
 
     delete m_desc;
     wxLogTrace( wxT("timer"), wxT("    ...done destroying timer %p..."), this);
 }
 
-bool wxTimer::IsRunning() const
+bool wxGenericTimerImpl::IsRunning() const
 {
     return m_desc->running;
 }
 
-bool wxTimer::Start(int millisecs, bool oneShot)
+bool wxGenericTimerImpl::Start(int millisecs, bool oneShot)
 {
-    wxLogTrace( wxT("timer"), wxT("started timer %p: %i ms, oneshot=%i"), 
+    wxLogTrace( wxT("timer"), wxT("started timer %p: %i ms, oneshot=%i"),
                this, millisecs, oneShot);
 
-    if ( !wxTimerBase::Start(millisecs, oneShot) )
-        return FALSE;
-    
+     if ( !wxTimerImpl::Start(millisecs, oneShot) )
+         return false;
+
     gs_scheduler->QueueTimer(m_desc);
-    return TRUE;
+    return true;
 }
 
-void wxTimer::Stop()
+void wxGenericTimerImpl::Stop()
 {
     if ( !m_desc->running ) return;
-    
+
     gs_scheduler->RemoveTimer(m_desc);
 }
 
-/*static*/ void wxTimer::NotifyTimers()
+/*static*/ void wxGenericTimerImpl::NotifyTimers()
 {
     if ( gs_scheduler )
         gs_scheduler->NotifyTimers();
@@ -228,11 +236,20 @@ class wxTimerModule: public wxModule
 DECLARE_DYNAMIC_CLASS(wxTimerModule)
 public:
     wxTimerModule() {}
-    bool OnInit() { return TRUE; }
-    void OnExit() { delete gs_scheduler; gs_scheduler = NULL; }
+    bool OnInit() { return true; }
+    void OnExit() { wxDELETE(gs_scheduler); }
 };
 
 IMPLEMENT_DYNAMIC_CLASS(wxTimerModule, wxModule)
 
+// ----------------------------------------------------------------------------
+// wxGUIAppTraits
+// ----------------------------------------------------------------------------
+
+wxTimerImpl *wxGUIAppTraits::CreateTimerImpl(wxTimer *timer)
+{
+    return new wxGenericTimerImpl(timer);
+}
+
 
 #endif //wxUSE_TIMER