fixed missing Idle events

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

diff --git a/src/msw/app.cpp b/src/msw/app.cpp
index c4808f1b359199b939dcd21c9c29600a36b3a5ef..072874afb789216d9d3b850d0bde5832a1e0a5b6 100644 (file)
--- a/src/msw/app.cpp
+++ b/src/msw/app.cpp
@@ -5,8 +5,8 @@
 // Modified by:
 // Created:     04/01/98
 // RCS-ID:      $Id$
-// Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:     wxWindows license
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // ===========================================================================
@@ -118,7 +118,8 @@
 #endif
 
 #if _WIN32_IE >= 0x0300 && \
-    (!defined(__MINGW32__) || wxCHECK_W32API_VERSION( 2, 0 ))
+    (!defined(__MINGW32__) || wxCHECK_W32API_VERSION( 2, 0 )) && \
+    !defined(__CYGWIN__)
     #include <shlwapi.h>
 #endif
 
@@ -474,7 +475,9 @@ void wxApp::ConvertToStandardCommandArgs(const char* lpCmdLine)
     wxString name;
     wxFileName::SplitPath(argv[0], NULL, &name, NULL);
 
-    SetAppName(name);
+    // but don't override the name already set by the user code, if any
+    if ( GetAppName().empty() )
+        SetAppName(name);
 
     // copy all the other arguments to wxApp::argv[]
     for ( int i = 1; i < argc; i++ )
@@ -698,32 +701,20 @@ int wxEntry(WXHINSTANCE hInstance,
         // we can't simply double-click on the error message and get to that
         // line in the source. So VC++ at least, let's have a sensible default.
 #ifdef __VISUALC__
+#if wxUSE_LOG
         wxLog::SetTimestamp(NULL);
-#endif
-
-        int retValue = 0;
-
-        // it is common to create a modal dialog in OnInit() (to ask/notify the
-        // user about something) but it wouldn't work if we don't change the
-        // "exit on delete last frame" flag here as when this dialog is
-        // deleted, the app would terminate (it was the last top level window
-        // as the main frame wasn't created yet!), so disable this behaviour
-        // temproarily
-        bool exitOnLastFrameDelete = wxTheApp->GetExitOnFrameDelete();
-        wxTheApp->SetExitOnFrameDelete(FALSE);
+#endif // wxUSE_LOG
+#endif // __VISUALC__
 
         // init the app
-        retValue = wxEntryInitGui() && wxTheApp->OnInit() ? 0 : -1;
-
-        // restore the old flag value
-        wxTheApp->SetExitOnFrameDelete(exitOnLastFrameDelete);
+        int retValue = wxEntryInitGui() && wxTheApp->OnInit() ? 0 : -1;
 
         if ( retValue == 0 )
         {
             if ( enterLoop )
             {
                 // run the main loop
-                retValue = wxTheApp->OnRun();
+                wxTheApp->OnRun();
             }
             else
             {
@@ -750,7 +741,7 @@ int wxEntry(WXHINSTANCE hInstance,
             }
         }
 
-        wxTheApp->OnExit();
+        retValue = wxTheApp->OnExit();
 
         wxEntryCleanup();
 
@@ -986,8 +977,8 @@ bool wxApp::ProcessIdle()
 
 void wxApp::ExitMainLoop()
 {
-    // VZ: why not ::PostQuitMessage()?
-    m_keepGoing = FALSE;
+    // this will set m_keepGoing to FALSE a bit later
+    ::PostQuitMessage(0);
 }
 
 bool wxApp::Pending()
@@ -1077,15 +1068,21 @@ bool wxApp::ProcessMessage(WXMSG *wxmsg)
     return FALSE;
 }
 
+// this is a temporary hack and will be replaced by using wxEventLoop in the
+// future
+//
+// it is needed to allow other event loops (currently only one: the modal
+// dialog one) to reset the OnIdle() semaphore because otherwise OnIdle()
+// wouldn't do anything while a modal dialog shown from OnIdle() call is shown.
+bool wxIsInOnIdleFlag = FALSE;
+
 void wxApp::OnIdle(wxIdleEvent& event)
 {
-    static bool s_inOnIdle = FALSE;
-
     // Avoid recursion (via ProcessEvent default case)
-    if ( s_inOnIdle )
+    if ( wxIsInOnIdleFlag )
         return;
 
-    s_inOnIdle = TRUE;
+    wxIsInOnIdleFlag = TRUE;
 
     // If there are pending events, we must process them: pending events
     // are either events to the threads other than main or events posted
@@ -1120,7 +1117,7 @@ void wxApp::OnIdle(wxIdleEvent& event)
         event.RequestMore(TRUE);
     }
 
-    s_inOnIdle = FALSE;
+    wxIsInOnIdleFlag = FALSE;
 }
 
 // Send idle event to all top-level windows
@@ -1143,33 +1140,31 @@ bool wxApp::SendIdleEvents()
 // Send idle event to window and all subwindows
 bool wxApp::SendIdleEvents(wxWindow* win)
 {
-    bool needMore = FALSE;
-
     wxIdleEvent event;
     event.SetEventObject(win);
     win->GetEventHandler()->ProcessEvent(event);
 
-    if (event.MoreRequested())
-        needMore = TRUE;
+    bool needMore = event.MoreRequested();
 
-    wxNode* node = win->GetChildren().First();
-    while (node)
+    wxWindowList::Node *node = win->GetChildren().GetFirst();
+    while ( node )
     {
-        wxWindow* win = (wxWindow*) node->Data();
+        wxWindow *win = node->GetData();
         if (SendIdleEvents(win))
             needMore = TRUE;
 
-        node = node->Next();
+        node = node->GetNext();
     }
+
     return needMore;
 }
 
 void wxApp::DeletePendingObjects()
 {
-    wxNode *node = wxPendingDelete.First();
+    wxNode *node = wxPendingDelete.GetFirst();
     while (node)
     {
-        wxObject *obj = (wxObject *)node->Data();
+        wxObject *obj = node->GetData();
 
         delete obj;
 
@@ -1178,7 +1173,7 @@ void wxApp::DeletePendingObjects()
 
         // Deleting one object may have deleted other pending
         // objects, so start from beginning of list again.
-        node = wxPendingDelete.First();
+        node = wxPendingDelete.GetFirst();
     }
 }
 
@@ -1292,10 +1287,15 @@ int wxApp::GetComCtl32Version()
 
 void wxExit()
 {
-    wxLogError(_("Fatal error: exiting"));
-
-    wxApp::CleanUp();
-    exit(0);
+    if ( wxTheApp )
+    {
+        wxTheApp->ExitMainLoop();
+    }
+    else
+    {
+        // what else can we do?
+        exit(-1);
+    }
 }
 
 // Yield to incoming messages
@@ -1305,9 +1305,11 @@ bool wxApp::Yield(bool onlyIfNeeded)
     // MT-FIXME
     static bool s_inYield = FALSE;
 
+#if wxUSE_LOG
     // disable log flushing from here because a call to wxYield() shouldn't
     // normally result in message boxes popping up &c
     wxLog::Suspend();
+#endif // wxUSE_LOG
 
     if ( s_inYield )
     {
@@ -1338,8 +1340,10 @@ bool wxApp::Yield(bool onlyIfNeeded)
     // if there are pending events, we must process them.
     ProcessPendingEvents();
 
+#if wxUSE_LOG
     // let the logs be flashed again
     wxLog::Resume();
+#endif // wxUSE_LOG
 
     s_inYield = FALSE;
 
@@ -1386,6 +1390,6 @@ void wxWakeUpIdle()
 
 // For some reason, with MSVC++ 1.5, WinMain isn't linked in properly
 // if in a separate file. So include it here to ensure it's linked.
-#if (defined(__VISUALC__) && !defined(__WIN32__)) || (defined(__GNUWIN32__) && !defined(__TWIN32__) && !defined(WXMAKINGDLL))
+#if (defined(__VISUALC__) && !defined(__WIN32__)) || (defined(__GNUWIN32__) && !defined(__WINE__) && !defined(__TWIN32__) && !defined(WXMAKINGDLL))
 #include "main.cpp"
 #endif