#include "wx/log.h"
#include "wx/module.h"
+#if wxUSE_THREADS
+ #include "wx/thread.h"
+
+ // define the array of MSG strutures
+ WX_DECLARE_OBJARRAY(MSG, wxMsgArray);
+
+ #include "wx/arrimpl.cpp"
+
+ WX_DEFINE_OBJARRAY(wxMsgArray);
+#endif // wxUSE_THREADS
+
#if wxUSE_WX_RESOURCES
#include "wx/resource.h"
#endif
// if you don't do the same for the Ole calls further down.
// Also, OLE is used not just for drag and drop (it's used by automatn.cpp).
// #if wxUSE_DRAG_AND_DROP
-#ifndef __GNUWIN32__
+#if !defined(__GNUWIN32__) && !defined(__SC__)
#include <ole2.h>
#endif
// #endif
extern char *wxBuffer;
extern char *wxOsVersion;
extern wxList *wxWinHandleList;
-extern wxList wxPendingDelete;
+extern wxList WXDLLEXPORT wxPendingDelete;
extern void wxSetKeyboardHook(bool doIt);
extern wxCursor *g_globalCursor;
}
*/
-#ifndef __GNUWIN32__
+#if !defined(__GNUWIN32__) && !defined(__SC__)
// we need to initialize OLE library
if ( FAILED(::OleInitialize(NULL)) )
wxFatalError(_("Cannot initialize OLE"));
if ( wxDisableButtonBrush )
::DeleteObject( wxDisableButtonBrush ) ;
-#ifndef __GNUWIN32__
+#if !defined(__GNUWIN32__) && !defined(__SC__)
::OleUninitialize();
#endif
int nCmdShow,
bool enterLoop)
{
-#ifndef __WXDEBUG__ // take everything into a try-except block in release build
+#if !defined(__WXDEBUG__) && !defined(__BORLANDC__) && !defined(__WATCOMC__) // take everything into a try-except block in release build
try {
#endif
wxApp::CleanUp();
return retValue;
-#ifndef __WXDEBUG__ // catch exceptions only in release build
+#if !defined(__WXDEBUG__) && !defined(__BORLANDC__) && !defined(__WATCOMC__) // catch exceptions only in release build
}
except ( EXCEPTION_EXECUTE_HANDLER ) {
/*
/*
* Get and process a message, returning FALSE if WM_QUIT
- * received.
+ * received (and also set the flag telling the app to exit the main loop)
*
*/
bool wxApp::DoMessage()
{
- if (!::GetMessage(&s_currentMsg, (HWND) NULL, 0, 0))
- {
- return FALSE;
- }
+ BOOL rc = ::GetMessage(&s_currentMsg, (HWND) NULL, 0, 0);
+ if ( rc == 0 )
+ {
+ // got WM_QUIT
+ m_keepGoing = FALSE;
+
+ return FALSE;
+ }
+ else if ( rc == -1 )
+ {
+ // should never happen, but let's test for it nevertheless
+ wxLogLastError("GetMessage");
+ }
+ else
+ {
+#if wxUSE_THREADS
+ wxASSERT_MSG( wxThread::IsMain(),
+ "only the main thread can process Windows messages" );
- // Process the message
- if (!ProcessMessage((WXMSG *)&s_currentMsg))
- {
- ::TranslateMessage(&s_currentMsg);
- wxApp::sm_lastMessageTime = s_currentMsg.time; /* MATTHEW: timeStamp impl. */
- ::DispatchMessage(&s_currentMsg);
- }
- return TRUE;
+ static bool s_hadGuiLock = TRUE;
+ static wxMsgArray s_aSavedMessages;
+
+ // if a secondary thread owns is doing GUI calls, save all messages for
+ // later processing - we can't process them right now because it will
+ // lead to recursive library calls (and we're not reentrant)
+ if ( !wxGuiOwnedByMainThread() )
+ {
+ s_hadGuiLock = FALSE;
+
+ s_aSavedMessages.Add(s_currentMsg);
+
+ return TRUE;
+ }
+ else
+ {
+ // have we just regained the GUI lock? if so, post all of the saved
+ // messages
+ //
+ // FIXME of course, it's not _exactly_ the same as processing the
+ // messages normally - expect some things to break...
+ if ( !s_hadGuiLock )
+ {
+ s_hadGuiLock = TRUE;
+
+ size_t count = s_aSavedMessages.Count();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ MSG& msg = s_aSavedMessages[n];
+
+ if ( !ProcessMessage((WXMSG *)&msg) )
+ {
+ ::TranslateMessage(&msg);
+ ::DispatchMessage(&msg);
+ }
+ }
+
+ s_aSavedMessages.Empty();
+ }
+ }
+#endif // wxUSE_THREADS
+
+ // Process the message
+ if ( !ProcessMessage((WXMSG *)&s_currentMsg) )
+ {
+ ::TranslateMessage(&s_currentMsg);
+ wxApp::sm_lastMessageTime = s_currentMsg.time; /* MATTHEW: timeStamp impl. */
+ ::DispatchMessage(&s_currentMsg);
+ }
+ }
+
+ return TRUE;
}
/*
int wxApp::MainLoop()
{
m_keepGoing = TRUE;
- while (m_keepGoing)
+
+ while ( m_keepGoing )
{
- while (!::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) &&
- ProcessIdle()) {}
- if (!DoMessage())
- m_keepGoing = FALSE;
+ #if wxUSE_THREADS
+ wxMutexGuiLeaveOrEnter();
+ #endif // wxUSE_THREADS
+
+ while ( !::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) &&
+ ProcessIdle() )
+ {
+ }
+
+ DoMessage();
}
return s_currentMsg.wParam;
void wxApp::Dispatch()
{
- if (!DoMessage())
- m_keepGoing = FALSE;
+ DoMessage();
}
/*
void wxApp::OnIdle(wxIdleEvent& event)
{
- static bool inOnIdle = FALSE;
+ static bool s_inOnIdle = FALSE;
- // Avoid recursion (via ProcessEvent default case)
- if (inOnIdle)
- return;
+ // Avoid recursion (via ProcessEvent default case)
+ if ( s_inOnIdle )
+ return;
- inOnIdle = TRUE;
+ s_inOnIdle = TRUE;
- // 'Garbage' collection of windows deleted with Close().
- DeletePendingObjects();
+ // 'Garbage' collection of windows deleted with Close().
+ DeletePendingObjects();
- // flush the logged messages if any
- wxLog *pLog = wxLog::GetActiveTarget();
- if ( pLog != NULL && pLog->HasPendingMessages() )
- pLog->Flush();
+ // flush the logged messages if any
+ wxLog *pLog = wxLog::GetActiveTarget();
+ if ( pLog != NULL && pLog->HasPendingMessages() )
+ pLog->Flush();
- // Send OnIdle events to all windows
- bool needMore = SendIdleEvents();
-// bool needMore = FALSE;
-
- if (needMore)
- event.RequestMore(TRUE);
+ // Send OnIdle events to all windows
+ if ( SendIdleEvents() )
+ {
+ // SendIdleEvents() returns TRUE if at least one window requested more
+ // idle events
+ event.RequestMore(TRUE);
+ }
- inOnIdle = FALSE;
+ s_inOnIdle = FALSE;
}
// Send idle event to all top-level windows
bool wxApp::SendIdleEvents()
{
bool needMore = FALSE;
- wxNode* node = wxTopLevelWindows.First();
- while (node)
- {
- wxWindow* win = (wxWindow*) node->Data();
- if (SendIdleEvents(win))
+ wxNode* node = wxTopLevelWindows.First();
+ while (node)
+ {
+ wxWindow* win = (wxWindow*) node->Data();
+ if (SendIdleEvents(win))
needMore = TRUE;
- node = node->Next();
- }
+ node = node->Next();
+ }
+
return needMore;
}
// if we see a WM_QUIT. (?)
while (PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE) && msg.message != WM_QUIT)
{
- if (!wxTheApp->DoMessage())
+ if ( !wxTheApp->DoMessage() )
break;
}
projects / wxWidgets.git / blobdiff