///////////////////////////////////////////////////////////////////////////////
-// Name: os2/evtloop.cpp
-// Purpose: implements wxEventLoop for PM
+// Name: src/os2/evtloop.cpp
+// Purpose: implements wxGUIEventLoop for PM
// Author: Vadim Zeitlin
// Modified by:
// Created: 01.06.01
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
- #pragma implementation "evtloop.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#include "wx/window.h"
#include "wx/app.h"
#include "wx/timer.h"
+ #include "wx/log.h"
#endif //WX_PRECOMP
#include "wx/evtloop.h"
-#include "wx/log.h"
#include "wx/tooltip.h"
-#include "wx/ptr_scpd.h"
+#include "wx/scopedptr.h"
#include "wx/os2/private.h"
+#include "wx/os2/private/timer.h" // for wxTimerProc
#if wxUSE_THREADS
// define the array of QMSG strutures
wxDEFINE_TIED_SCOPED_PTR_TYPE(wxEventLoopImpl);
-// this object sets the wxEventLoop given to the ctor as the currently active
-// one and unsets it in its dtor
-class wxEventLoopActivator
-{
-public:
- wxEventLoopActivator(wxEventLoop **pActive,
- wxEventLoop *evtLoop)
- {
- m_pActive = pActive;
- m_evtLoopOld = *pActive;
- *pActive = evtLoop;
- }
-
- ~wxEventLoopActivator()
- {
- // restore the previously active event loop
- *m_pActive = m_evtLoopOld;
- }
-
-private:
- wxEventLoop *m_evtLoopOld;
- wxEventLoop **m_pActive;
-};
-
// ============================================================================
// wxEventLoopImpl implementation
// ============================================================================
for(pWnd = pWndThis; pWnd; pWnd = pWnd->GetParent() )
{
if((bRc = pWnd->OS2TranslateMessage((WXMSG*)pMsg)) == TRUE)
- return TRUE;
- // break;
- // stop at first top level window, i.e. don't try to process the
- // key strokes originating in a dialog using the accelerators of
- // the parent frame - this doesn't make much sense
- if ( pWnd->IsTopLevel() )
- break;
+ break;
+ // stop at first top level window, i.e. don't try to process the
+ // key strokes originating in a dialog using the accelerators of
+ // the parent frame - this doesn't make much sense
+ if ( pWnd->IsTopLevel() )
+ break;
}
if(!bRc) // untranslated, should restore original value
}
// ============================================================================
-// wxEventLoop implementation
+// wxGUIEventLoop implementation
// ============================================================================
-wxEventLoop *wxEventLoop::ms_activeLoop = NULL;
-
// ----------------------------------------------------------------------------
-// wxEventLoop running and exiting
+// wxGUIEventLoop running and exiting
// ----------------------------------------------------------------------------
-wxEventLoop::~wxEventLoop()
+wxGUIEventLoop::~wxGUIEventLoop()
{
wxASSERT_MSG( !m_impl, _T("should have been deleted in Run()") );
}
-bool wxEventLoop::IsRunning() const
-{
- return m_impl != NULL;
-}
-
//////////////////////////////////////////////////////////////////////////////
//
// Keep trying to process messages until WM_QUIT
class CallEventLoopMethod
{
public:
- typedef void (wxEventLoop::*FuncType)();
+ typedef void (wxGUIEventLoop::*FuncType)();
- CallEventLoopMethod(wxEventLoop *evtLoop, FuncType fn)
+ CallEventLoopMethod(wxGUIEventLoop *evtLoop, FuncType fn)
: m_evtLoop(evtLoop), m_fn(fn) { }
~CallEventLoopMethod() { (m_evtLoop->*m_fn)(); }
private:
- wxEventLoop *m_evtLoop;
+ wxGUIEventLoop *m_evtLoop;
FuncType m_fn;
};
-int wxEventLoop::Run()
+int wxGUIEventLoop::Run()
{
// event loops are not recursive, you need to create another loop!
wxCHECK_MSG( !IsRunning(), -1, _T("can't reenter a message loop") );
// SendIdleMessage() and Dispatch() below may throw so the code here should
// be exception-safe, hence we must use local objects for all actions we
// should undo
- wxEventLoopActivator activate(&ms_activeLoop, this);
+ wxEventLoopActivator activate(this);
wxEventLoopImplTiedPtr impl(&m_impl, new wxEventLoopImpl);
- CallEventLoopMethod callOnExit(this, &wxEventLoop::OnExit);
+ CallEventLoopMethod callOnExit(this, &wxGUIEventLoop::OnExit);
for ( ;; )
{
// generate and process idle events for as long as we don't have
// anything else to do
while ( !Pending() && m_impl->SendIdleMessage() )
- {
- wxTheApp->HandleSockets();
- wxUsleep(10);
- }
+ {
+ wxTheApp->HandleSockets();
+ wxMilliSleep(10);
+ }
wxTheApp->HandleSockets();
if (Pending())
- {
- if ( !Dispatch() )
- {
- // we got WM_QUIT
- break;
- }
- }
+ {
+ if ( !Dispatch() )
+ {
+ // we got WM_QUIT
+ break;
+ }
+ }
else
- wxUsleep(10);
+ wxMilliSleep(10);
}
+ OnExit();
+
return m_impl->GetExitCode();
}
-void wxEventLoop::Exit(int rc)
+void wxGUIEventLoop::Exit(int rc)
{
wxCHECK_RET( IsRunning(), _T("can't call Exit() if not running") );
}
// ----------------------------------------------------------------------------
-// wxEventLoop message processing dispatching
+// wxGUIEventLoop message processing dispatching
// ----------------------------------------------------------------------------
-bool wxEventLoop::Pending() const
+bool wxGUIEventLoop::Pending() const
{
QMSG msg;
return ::WinPeekMsg(vHabmain, &msg, 0, 0, 0, PM_NOREMOVE) != 0;
}
-bool wxEventLoop::Dispatch()
+bool wxGUIEventLoop::Dispatch()
{
- wxCHECK_MSG( IsRunning(), FALSE, _T("can't call Dispatch() if not running") );
+ wxCHECK_MSG( IsRunning(), false, _T("can't call Dispatch() if not running") );
QMSG msg;
BOOL bRc = ::WinGetMsg(vHabmain, &msg, (HWND) NULL, 0, 0);
if ( bRc == 0 )
{
// got WM_QUIT
- return FALSE;
+ return false;
}
#if wxUSE_THREADS
wxASSERT_MSG( wxThread::IsMain(),
wxT("only the main thread can process Windows messages") );
- static bool s_hadGuiLock = TRUE;
+ static bool s_hadGuiLock = true;
static wxMsgArray s_aSavedMessages;
// if a secondary thread owning the mutex is doing GUI calls, save all
// it will lead to recursive library calls (and we're not reentrant)
if ( !wxGuiOwnedByMainThread() )
{
- s_hadGuiLock = FALSE;
+ s_hadGuiLock = false;
// leave out WM_COMMAND messages: too dangerous, sometimes
// the message will be processed twice
s_aSavedMessages.Add(msg);
}
- return TRUE;
+ return true;
}
else
{
// messages normally - expect some things to break...
if ( !s_hadGuiLock )
{
- s_hadGuiLock = TRUE;
+ s_hadGuiLock = true;
size_t count = s_aSavedMessages.Count();
for ( size_t n = 0; n < count; n++ )
m_impl->ProcessMessage(&msg);
- return TRUE;
+ return true;
}
+//
+// Yield to incoming messages
+//
+bool wxGUIEventLoop::YieldFor(long eventsToProcess)
+{
+ HAB vHab = 0;
+ QMSG vMsg;
+
+ //
+ // Disable log flushing from here because a call to wxYield() shouldn't
+ // normally result in message boxes popping up &c
+ //
+ wxLog::Suspend();
+
+ m_isInsideYield = true;
+ m_eventsToProcessInsideYield = eventsToProcess;
+
+ //
+ // We want to go back to the main message loop
+ // if we see a WM_QUIT. (?)
+ //
+ while (::WinPeekMsg(vHab, &vMsg, (HWND)NULL, 0, 0, PM_NOREMOVE) && vMsg.msg != WM_QUIT)
+ {
+ // TODO: implement event filtering using the eventsToProcess mask
+
+#if wxUSE_THREADS
+ wxMutexGuiLeaveOrEnter();
+#endif // wxUSE_THREADS
+ if (!wxTheApp->Dispatch())
+ break;
+ }
+
+ //
+ // If they are pending events, we must process them.
+ //
+ if (wxTheApp)
+ {
+ wxTheApp->ProcessPendingEvents();
+ wxTheApp->HandleSockets();
+ }
+
+ //
+ // Let the logs be flashed again
+ //
+ wxLog::Resume();
+ m_isInsideYield = false;
+
+ return true;
+} // end of wxYield
projects / wxWidgets.git / blobdiff