X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/364c7f3c681656e74b8c9bad0957b4c0ce892cf1..dbcbe229628c7667da2b6257198467d4f09ab28d:/src/motif/app.cpp

diff --git a/src/motif/app.cpp b/src/motif/app.cpp
index 6cf5ad773d..fa1fd15f66 100644
--- a/src/motif/app.cpp
+++ b/src/motif/app.cpp
@@ -11,7 +11,11 @@
 
 #ifdef __GNUG__
     #pragma implementation "app.h"
-    #pragma implementation "appbase.h"
+#endif
+
+#ifdef __VMS
+#define XtParent XTPARENT
+#define XtDisplay XTDISPLAY
 #endif
 
 #include "wx/frame.h"
@@ -40,11 +44,17 @@
     #include "wx/resource.h"
 #endif
 
+#ifdef __VMS__
+#pragma message disable nosimpint
+#endif
 #include <Xm/Xm.h>
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
 #include <X11/Xresource.h>
 #include <X11/Xatom.h>
+#ifdef __VMS__
+#pragma message enable nosimpint
+#endif
 
 #include "wx/motif/private.h"
 
@@ -53,22 +63,27 @@
 extern char *wxBuffer;
 extern wxList wxPendingDelete;
 
-#if wxUSE_THREADS
-extern wxList *wxPendingEvents;
-extern wxCriticalSection *wxPendingEventsLocker;
-#endif // wxUSE_THREADS
-
 wxApp *wxTheApp = NULL;
 
 wxHashTable *wxWidgetHashTable = NULL;
 
-#if !USE_SHARED_LIBRARY
 IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
 
 BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
     EVT_IDLE(wxApp::OnIdle)
 END_EVENT_TABLE()
-#endif
+
+#ifdef __WXDEBUG__
+    typedef int (*XErrorHandlerFunc)(Display *, XErrorEvent *);
+
+    XErrorHandlerFunc gs_pfnXErrorHandler = 0;
+
+    static int wxXErrorHandler(Display *dpy, XErrorEvent *xevent)
+    {
+        // just forward to the default handler for now
+        return gs_pfnXErrorHandler(dpy, xevent);
+    }
+#endif // __WXDEBUG__
 
 long wxApp::sm_lastMessageTime = 0;
 
@@ -81,7 +96,6 @@ bool wxApp::Initialize()
     // GL: I'm annoyed ... I don't know where to put this and I don't want to
     // create a module for that as it's part of the core.
 #if wxUSE_THREADS
-    wxPendingEvents = new wxList();
     wxPendingEventsLocker = new wxCriticalSection();
 #endif
 
@@ -340,7 +354,7 @@ void wxApp::ProcessXEvent(WXEvent* _event)
 
     if (event->type == KeyPress)
     {
-#ifdef __WXDEBUG__
+#if 0 // def __WXDEBUG__
         Widget widget = XtWindowToWidget(event->xany.display, event->xany.window);
         wxLogDebug("Got key press event for 0x%08x (parent = 0x%08x)",
                    widget, XtParent(widget));
@@ -352,13 +366,17 @@ void wxApp::ProcessXEvent(WXEvent* _event)
             // accelerator.
             return;
 	}
-#if 0 // this isn't necessary anymore ??? -michael
+#if 1
+        // It seemed before that this hack was redundant and
+        // key down events were being generated by wxCanvasInputEvent.
+        // But no longer - why ???
+        //
 	else if (CheckForKeyDown(_event))
 	{
             // We intercepted and processed the key down event
             return;
 	}
-#endif        
+#endif
 	else
 	{
             XtDispatchEvent(event);
@@ -464,13 +482,20 @@ void wxApp::OnIdle(wxIdleEvent& event)
 
     inOnIdle = TRUE;
 
-    // 'Garbage' collection of windows deleted with Close().
-    DeletePendingObjects();
+    // If there are pending events, we must process them: pending events
+    // are either events to the threads other than main or events posted
+    // with wxPostEvent() functions
+    // GRG: I have moved this here so that all pending events are processed
+    //   before starting to delete any objects. This behaves better (in
+    //   particular, wrt wxPostEvent) and is coherent with wxGTK's current
+    //   behaviour. Also removed the '#if wxUSE_THREADS' around it.
+    //  Changed Mar/2000 before 2.1.14
 
-#if wxUSE_THREADS
     // Flush pending events.
     ProcessPendingEvents();
-#endif
+
+    // 'Garbage' collection of windows deleted with Close().
+    DeletePendingObjects();
 
     // flush the logged messages if any
     wxLog *pLog = wxLog::GetActiveTarget();
@@ -486,6 +511,13 @@ void wxApp::OnIdle(wxIdleEvent& event)
     inOnIdle = FALSE;
 }
 
+void wxWakeUpIdle()
+{
+    // **** please implement me! ****
+    // Wake up the idle handler processor, even if it is in another thread...
+}
+
+
 // Send idle event to all top-level windows
 bool wxApp::SendIdleEvents()
 {
@@ -545,24 +577,6 @@ void wxApp::DeletePendingObjects()
     }
 }
 
-#if wxUSE_THREADS
-void wxApp::ProcessPendingEvents()
-{
-    wxNode *node = wxPendingEvents->First();
-    wxCriticalSectionLocker locker(*wxPendingEventsLocker);
-
-    while (node)
-    {
-        wxEvtHandler *handler = (wxEvtHandler *)node->Data();
-
-        handler->ProcessPendingEvents();
-
-        delete node;
-        node = wxPendingEvents->First();
-    }
-}
-#endif // wxUSE_THREADS
-
 // Create an application context
 bool wxApp::OnInitGui()
 {
@@ -585,6 +599,11 @@ bool wxApp::OnInitGui()
     }
     m_initialDisplay = (WXDisplay*) dpy;
 
+#ifdef __WXDEBUG__
+    // install the X error handler
+    gs_pfnXErrorHandler = XSetErrorHandler(wxXErrorHandler);
+#endif // __WXDEBUG__
+
     wxTheApp->m_topLevelWidget = (WXWidget) XtAppCreateShell((String)NULL, (const char*) wxTheApp->GetClassName(),
         applicationShellWidgetClass,dpy,
         NULL,0) ;
@@ -717,8 +736,18 @@ void wxExit()
 }
 
 // Yield to other processes
+
+static bool gs_inYield = FALSE;
+
 bool wxYield()
 {
+#ifdef __WXDEBUG__    
+    if (gs_inYield)
+        wxFAIL_MSG( wxT("wxYield called recursively" ) );
+#endif
+    
+    gs_inYield = TRUE;
+
     while (wxTheApp && wxTheApp->Pending())
         wxTheApp->Dispatch();
 
@@ -727,9 +756,21 @@ bool wxYield()
     XtAppProcessEvent((XtAppContext) wxTheApp->GetAppContext(), XtIMAll);
 #endif
 
+    gs_inYield = FALSE;
+
     return TRUE;
 }
 
+// Yield to incoming messages; but fail silently if recursion is detected.
+bool wxYieldIfNeeded()
+{
+    if (gs_inYield)
+        return FALSE;
+        
+    return wxYield();
+}
+
+
 // TODO use XmGetPixmap (?) to get the really standard icons!
 
 #include "wx/generic/info.xpm"
@@ -759,3 +800,12 @@ wxApp::GetStdIcon(int which) const
             return wxIcon(error_xpm);
     }
 }
+
+// ----------------------------------------------------------------------------
+// accessors for C modules
+// ----------------------------------------------------------------------------
+
+extern "C" XtAppContext wxGetAppContext()
+{
+    return (XtAppContext)wxTheApp->GetAppContext();
+}