Fixed Refresh to clip update rectangles to the visible area of a

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

diff --git a/src/msw/thread.cpp b/src/msw/thread.cpp
index b3bc923c6877110b8bc2c5f703ccc49afc0d1c97..df5f2f2ba7b2f6d478c955e8be458afe63f169cf 100644 (file)
--- a/src/msw/thread.cpp
+++ b/src/msw/thread.cpp
@@ -32,6 +32,7 @@
 #if wxUSE_THREADS
 
 #include "wx/msw/private.h"
+#include "wx/msw/missing.h"
 
 #include "wx/module.h"
 #include "wx/thread.h"
@@ -132,7 +133,7 @@ static bool gs_waitingForThread = FALSE;
 
 wxCriticalSection::wxCriticalSection()
 {
-    wxCOMPILE_TIME_ASSERT( sizeof(CRITICAL_SECTION) <= sizeof(m_buffer),
+    wxCOMPILE_TIME_ASSERT( sizeof(CRITICAL_SECTION) <= sizeof(wxCritSectBuffer),
                            wxCriticalSectionBufferTooSmall );
 
     ::InitializeCriticalSection((CRITICAL_SECTION *)m_buffer);
@@ -173,6 +174,8 @@ private:
     wxMutexError LockTimeout(DWORD milliseconds);
 
     HANDLE m_mutex;
+
+    DECLARE_NO_COPY_CLASS(wxMutexInternal)
 };
 
 // all mutexes are recursive under Win32 so we don't use mutexType
@@ -242,7 +245,7 @@ wxMutexError wxMutexInternal::Unlock()
 {
     if ( !::ReleaseMutex(m_mutex) )
     {
-        wxLogLastError(_("ReleaseMutex()"));
+        wxLogLastError(_T("ReleaseMutex()"));
 
         return wxMUTEX_MISC_ERROR;
     }
@@ -264,13 +267,24 @@ public:
     bool IsOk() const { return m_semaphore != NULL; }
 
     wxSemaError Wait() { return WaitTimeout(INFINITE); }
-    wxSemaError TryWait() { return WaitTimeout(0); }
+
+    wxSemaError TryWait()
+    {
+        wxSemaError rc = WaitTimeout(0);
+        if ( rc == wxSEMA_TIMEOUT )
+            rc = wxSEMA_BUSY;
+
+        return rc;
+    }
+
     wxSemaError WaitTimeout(unsigned long milliseconds);
 
     wxSemaError Post();
 
 private:
     HANDLE m_semaphore;
+
+    DECLARE_NO_COPY_CLASS(wxSemaphoreInternal)
 };
 
 wxSemaphoreInternal::wxSemaphoreInternal(int initialcount, int maxcount)
@@ -316,7 +330,7 @@ wxSemaError wxSemaphoreInternal::WaitTimeout(unsigned long milliseconds)
            return wxSEMA_NO_ERROR;
 
         case WAIT_TIMEOUT:
-           return wxSEMA_BUSY;
+           return wxSEMA_TIMEOUT;
 
         default:
             wxLogLastError(_T("WaitForSingleObject(semaphore)"));
@@ -535,6 +549,8 @@ private:
     wxThreadState m_state;      // state, see wxThreadState enum
     unsigned int  m_priority;   // thread priority in "wx" units
     DWORD         m_tid;        // thread id
+
+    DECLARE_NO_COPY_CLASS(wxThreadInternal)
 };
 
 THREAD_RETVAL THREAD_CALLCONV wxThreadInternal::WinThreadStart(void *param)
@@ -613,6 +629,9 @@ void wxThreadInternal::SetPriority(unsigned int priority)
 
 bool wxThreadInternal::Create(wxThread *thread, unsigned int stackSize)
 {
+    wxASSERT_MSG( m_state == STATE_NEW && !m_hThread,
+                    _T("Create()ing thread twice?") );
+
     // for compilers which have it, we should use C RTL function for thread
     // creation instead of Win32 API one because otherwise we will have memory
     // leaks if the thread uses C RTL (and most threads do)
@@ -971,10 +990,6 @@ wxThreadError wxThread::Delete(ExitCode *pRc)
         {
             // set flag for wxIsWaitingForThread()
             gs_waitingForThread = TRUE;
-
-#if wxUSE_GUI
-            wxBeginBusyCursor();
-#endif // wxUSE_GUI
         }
 
         // ask the thread to terminate
@@ -989,16 +1004,27 @@ wxThreadError wxThread::Delete(ExitCode *pRc)
         // we can't just wait for the thread to terminate because it might be
         // calling some GUI functions and so it will never terminate before we
         // process the Windows messages that result from these functions
-        DWORD result;
+        DWORD result = 0;       // suppress warnings from broken compilers
         do
         {
+            if ( IsMain() )
+            {
+                // give the thread we're waiting for chance to do the GUI call
+                // it might be in
+                if ( (gs_nWaitingForGui > 0) && wxGuiOwnedByMainThread() )
+                {
+                    wxMutexGuiLeave();
+                }
+            }
+
             result = ::MsgWaitForMultipleObjects
                      (
                        1,              // number of objects to wait for
                        &hThread,       // the objects
                        FALSE,          // don't wait for all objects
                        INFINITE,       // no timeout
-                       QS_ALLEVENTS    // return as soon as there are any events
+                       QS_ALLINPUT |   // return as soon as there are any events
+                       QS_ALLPOSTMESSAGE
                      );
 
             switch ( result )
@@ -1022,17 +1048,6 @@ wxThreadError wxThread::Delete(ExitCode *pRc)
 
                         return wxTHREAD_KILLED;
                     }
-
-                    if ( IsMain() )
-                    {
-                        // give the thread we're waiting for chance to exit
-                        // from the GUI call it might have been in
-                        if ( (gs_nWaitingForGui > 0) && wxGuiOwnedByMainThread() )
-                        {
-                            wxMutexGuiLeave();
-                        }
-                    }
-
                     break;
 
                 default:
@@ -1053,10 +1068,6 @@ wxThreadError wxThread::Delete(ExitCode *pRc)
         if ( IsMain() )
         {
             gs_waitingForThread = FALSE;
-
-#if wxUSE_GUI
-            wxEndBusyCursor();
-#endif // wxUSE_GUI
         }
     }