forwarding style changes to documentViews, see #14578

[wxWidgets.git] / src / os2 / evtloop.cpp

diff --git a/src/os2/evtloop.cpp b/src/os2/evtloop.cpp
index 38d378623b67351364f4817961d81d44661f78d4..6624e1bc4a6f64270bcd2bbc7c48e7bc6af3edcf 100644 (file)
--- a/src/os2/evtloop.cpp
+++ b/src/os2/evtloop.cpp
@@ -1,12 +1,12 @@
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////

-// 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
 // RCS-ID:      $Id$
 // Copyright:   (c) 2001 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     01.06.01
 // RCS-ID:      $Id$
 // Copyright:   (c) 2001 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>

-// License:     wxWindows licence
+// Licence:     wxWindows licence

 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================


@@ -17,10 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#ifdef __GNUG__
-    #pragma implementation "evtloop.h"
-#endif
-

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 


@@ -32,14 +28,15 @@
     #include "wx/window.h"
     #include "wx/app.h"
     #include "wx/timer.h"
     #include "wx/window.h"
     #include "wx/app.h"
     #include "wx/timer.h"

+    #include "wx/log.h"

 #endif //WX_PRECOMP
 
 #include "wx/evtloop.h"
 #endif //WX_PRECOMP
 
 #include "wx/evtloop.h"

-#include "wx/log.h"

 #include "wx/tooltip.h"
 #include "wx/tooltip.h"

-#include "wx/ptr_scpd.h"
+#include "wx/scopedptr.h"

 
 #include "wx/os2/private.h"
 
 #include "wx/os2/private.h"

+#include "wx/os2/private/timer.h"       // for wxTimerProc

 
 #if wxUSE_THREADS
     // define the array of QMSG strutures
 
 #if wxUSE_THREADS
     // define the array of QMSG strutures


@@ -87,30 +84,6 @@ private:
 
 wxDEFINE_TIED_SCOPED_PTR_TYPE(wxEventLoopImpl);
 
 
 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
 // ============================================================================
 // ============================================================================
 // wxEventLoopImpl implementation
 // ============================================================================


@@ -192,11 +165,11 @@ bool wxEventLoopImpl::PreProcessMessage(QMSG *pMsg)
            {
                if((bRc = pWnd->OS2TranslateMessage((WXMSG*)pMsg)) == TRUE)
                    break;
            {
                if((bRc = pWnd->OS2TranslateMessage((WXMSG*)pMsg)) == 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;
+               // 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
            }
 
             if(!bRc)    // untranslated, should restore original value


@@ -224,18 +197,16 @@ bool wxEventLoopImpl::SendIdleMessage()
 }
 
 // ============================================================================
 }
 
 // ============================================================================

-// wxEventLoop implementation
+// wxGUIEventLoop implementation

 // ============================================================================
 
 // ============================================================================
 

-wxEventLoop *wxEventLoopBase::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()") );
+    wxASSERT_MSG( !m_impl, wxT("should have been deleted in Run()") );

 }
 
 //////////////////////////////////////////////////////////////////////////////
 }
 
 //////////////////////////////////////////////////////////////////////////////


@@ -256,29 +227,29 @@ wxEventLoop::~wxEventLoop()
 class CallEventLoopMethod
 {
 public:
 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:
         : m_evtLoop(evtLoop), m_fn(fn) { }
     ~CallEventLoopMethod() { (m_evtLoop->*m_fn)(); }
 
 private:

-    wxEventLoop *m_evtLoop;
+    wxGUIEventLoop *m_evtLoop;

     FuncType m_fn;
 };
 
     FuncType m_fn;
 };
 

-int wxEventLoop::Run()
+int wxGUIEventLoop::Run()

 {
     // event loops are not recursive, you need to create another loop!
 {
     // event loops are not recursive, you need to create another loop!

-    wxCHECK_MSG( !IsRunning(), -1, _T("can't reenter a message loop") );
+    wxCHECK_MSG( !IsRunning(), -1, wxT("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
 
     // 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);
 
     wxEventLoopImplTiedPtr impl(&m_impl, new wxEventLoopImpl);
 

-    CallEventLoopMethod  callOnExit(this, &wxEventLoop::OnExit);
+    CallEventLoopMethod  callOnExit(this, &wxGUIEventLoop::OnExit);

 
     for ( ;; )
     {
 
     for ( ;; )
     {


@@ -289,30 +260,32 @@ int wxEventLoop::Run()
         // generate and process idle events for as long as we don't have
         // anything else to do
         while ( !Pending() && m_impl->SendIdleMessage() )
         // generate and process idle events for as long as we don't have
         // anything else to do
         while ( !Pending() && m_impl->SendIdleMessage() )

-       {
-           wxTheApp->HandleSockets();
-           wxMilliSleep(10);
-       }
+        {
+            wxTheApp->HandleSockets();
+            wxMilliSleep(10);
+        }

 
         wxTheApp->HandleSockets();
         if (Pending())
 
         wxTheApp->HandleSockets();
         if (Pending())

-       {
-           if ( !Dispatch() )
-           {
-               // we got WM_QUIT
-               break;
-           }
-       }
+        {
+            if ( !Dispatch() )
+            {
+                // we got WM_QUIT
+                break;
+            }
+        }

         else
             wxMilliSleep(10);
     }
 
         else
             wxMilliSleep(10);
     }
 

+    OnExit();
+

     return m_impl->GetExitCode();
 }
 
     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") );
+    wxCHECK_RET( IsRunning(), wxT("can't call Exit() if not running") );

 
     m_impl->SetExitCode(rc);
 
 
     m_impl->SetExitCode(rc);
 


@@ -320,18 +293,18 @@ void wxEventLoop::Exit(int rc)
 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------

-// 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;
 }
 
 {
     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, wxT("can't call Dispatch() if not running") );

 
     QMSG msg;
     BOOL bRc = ::WinGetMsg(vHabmain, &msg, (HWND) NULL, 0, 0);
 
     QMSG msg;
     BOOL bRc = ::WinGetMsg(vHabmain, &msg, (HWND) NULL, 0, 0);


@@ -339,14 +312,14 @@ bool wxEventLoop::Dispatch()
     if ( bRc == 0 )
     {
         // got WM_QUIT
     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") );
 
     }
 
 #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
     static wxMsgArray s_aSavedMessages;
 
     // if a secondary thread owning the mutex is doing GUI calls, save all


@@ -354,7 +327,7 @@ bool wxEventLoop::Dispatch()
     // it will lead to recursive library calls (and we're not reentrant)
     if ( !wxGuiOwnedByMainThread() )
     {
     // 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
 
         // leave out WM_COMMAND messages: too dangerous, sometimes
         // the message will be processed twice


@@ -363,7 +336,7 @@ bool wxEventLoop::Dispatch()
             s_aSavedMessages.Add(msg);
         }
 
             s_aSavedMessages.Add(msg);
         }
 

-        return TRUE;
+        return true;

     }
     else
     {
     }
     else
     {


@@ -374,7 +347,7 @@ bool wxEventLoop::Dispatch()
         //       messages normally - expect some things to break...
         if ( !s_hadGuiLock )
         {
         //       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++ )
 
             size_t count = s_aSavedMessages.Count();
             for ( size_t n = 0; n < count; n++ )


@@ -390,6 +363,55 @@ bool wxEventLoop::Dispatch()
 
     m_impl->ProcessMessage(&msg);
 
 
     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