Committing in .

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

diff --git a/src/motif/app.cpp b/src/motif/app.cpp
index 48519f37d29409e8bac7bb9328592fc1b97636f3..330ba91007c4832e081619f1eb5a84c50e43bd55 100644 (file)
--- a/src/motif/app.cpp
+++ b/src/motif/app.cpp
@@ -10,7 +10,12 @@
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__

-#pragma implementation "app.h"
+    #pragma implementation "app.h"
+#endif
+
+#ifdef __VMS
+#define XtParent XTPARENT
+#define XtDisplay XTDISPLAY

 #endif
 
 #include "wx/frame.h"
 #endif
 
 #include "wx/frame.h"


@@ -28,52 +33,71 @@
 #include "wx/log.h"
 #include "wx/module.h"
 #include "wx/memory.h"
 #include "wx/log.h"
 #include "wx/module.h"
 #include "wx/memory.h"

+#include "wx/log.h"
+#include "wx/intl.h"
+#include "wx/evtloop.h"

 
 #if wxUSE_THREADS
 
 #if wxUSE_THREADS

-#include "wx/thread.h"
+    #include "wx/thread.h"

 #endif
 
 #if wxUSE_WX_RESOURCES
     #include "wx/resource.h"
 #endif
 
 #endif
 
 #if wxUSE_WX_RESOURCES
     #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>
 #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"
 
 #include <string.h>
 
 
 #include "wx/motif/private.h"
 
 #include <string.h>
 

-extern char *wxBuffer;

 extern wxList wxPendingDelete;
 extern wxList wxPendingDelete;

-#if wxUSE_THREADS
-extern wxList wxPendingEvents;
-extern wxList wxPendingEventsLocker;
-#endif
+extern bool wxAddIdleCallback();

 
 wxApp *wxTheApp = NULL;
 
 wxHashTable *wxWidgetHashTable = NULL;
 
 
 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()
 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;
 
 bool wxApp::Initialize()
 {
 
 long wxApp::sm_lastMessageTime = 0;
 
 bool wxApp::Initialize()
 {

-    wxBuffer = new char[BUFSIZ + 512];
-

     wxClassInfo::InitializeClasses();
 
     wxClassInfo::InitializeClasses();
 

+    // 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
+    wxPendingEventsLocker = new wxCriticalSection();
+#endif
+

     wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
     wxTheColourDatabase->Initialize();
 
     wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
     wxTheColourDatabase->Initialize();
 


@@ -118,17 +142,7 @@ void wxApp::CleanUp()
 
     // Destroy all GDI lists, etc.
 
 
     // Destroy all GDI lists, etc.
 

-    delete wxTheBrushList;
-    wxTheBrushList = NULL;
-
-    delete wxThePenList;
-    wxThePenList = NULL;
-
-    delete wxTheFontList;
-    wxTheFontList = NULL;
-
-    delete wxTheBitmapList;
-    wxTheBitmapList = NULL;
+    wxDeleteStockLists();

 
     delete wxTheColourDatabase;
     wxTheColourDatabase = NULL;
 
     delete wxTheColourDatabase;
     wxTheColourDatabase = NULL;


@@ -143,14 +157,18 @@ void wxApp::CleanUp()
 
     wxBitmap::CleanUpHandlers();
 
 
     wxBitmap::CleanUpHandlers();
 

-    delete[] wxBuffer;
-    wxBuffer = NULL;
-

     wxClassInfo::CleanUpClasses();
 
     delete wxTheApp;
     wxTheApp = NULL;
 
     wxClassInfo::CleanUpClasses();
 
     delete wxTheApp;
     wxTheApp = NULL;
 

+    // 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
+    delete wxPendingEvents;
+    delete wxPendingEventsLocker;
+#endif
+

 #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
     // At this point we want to check if there are any memory
     // blocks that aren't part of the wxDebugContext itself,
 #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
     // At this point we want to check if there are any memory
     // blocks that aren't part of the wxDebugContext itself,


@@ -244,21 +262,14 @@ int wxEntry( int argc, char *argv[] )
 };
 
 // Static member initialization
 };
 
 // Static member initialization

-wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL;
+wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL;

 
 wxApp::wxApp()
 {
 
 wxApp::wxApp()
 {

-    m_topWindow = NULL;
-    wxTheApp = this;
-    m_className = "";
-    m_wantDebugOutput = TRUE ;
-    m_appName = "";

     argc = 0;
     argv = NULL;
     argc = 0;
     argv = NULL;

-    m_printMode = wxPRINT_POSTSCRIPT;
-    m_exitOnFrameDelete = TRUE;
-    m_auto3D = TRUE;

 
 

+    m_eventLoop = new wxEventLoop;

     m_mainColormap = (WXColormap) NULL;
     m_appContext = (WXAppContext) NULL;
     m_topLevelWidget = (WXWidget) NULL;
     m_mainColormap = (WXColormap) NULL;
     m_appContext = (WXAppContext) NULL;
     m_topLevelWidget = (WXWidget) NULL;


@@ -266,6 +277,11 @@ wxApp::wxApp()
     m_initialDisplay = (WXDisplay*) 0;
 }
 
     m_initialDisplay = (WXDisplay*) 0;
 }
 

+wxApp::~wxApp()
+{
+    delete m_eventLoop;
+}
+

 bool wxApp::Initialized()
 {
     if (GetTopWindow())
 bool wxApp::Initialized()
 {
     if (GetTopWindow())


@@ -276,8 +292,6 @@ bool wxApp::Initialized()
 
 int wxApp::MainLoop()
 {
 
 int wxApp::MainLoop()
 {

-    m_keepGoing = TRUE;
-

     /*
     * Sit around forever waiting to process X-events. Property Change
     * event are handled special, because they have to refer to
     /*
     * Sit around forever waiting to process X-events. Property Change
     * event are handled special, because they have to refer to


@@ -289,88 +303,23 @@ int wxApp::MainLoop()
         XDefaultRootWindow(XtDisplay((Widget) wxTheApp->GetTopLevelWidget())),
         PropertyChangeMask);
 
         XDefaultRootWindow(XtDisplay((Widget) wxTheApp->GetTopLevelWidget())),
         PropertyChangeMask);
 

-    XEvent event;
-
-    // Use this flag to allow breaking the loop via wxApp::ExitMainLoop()
-    while (m_keepGoing)
-    {
-        XtAppNextEvent( (XtAppContext) wxTheApp->GetAppContext(), &event);
-
-        ProcessXEvent((WXEvent*) & event);
-
-        if (XtAppPending( (XtAppContext) wxTheApp->GetAppContext() ) == 0)
-        {
-            if (!ProcessIdle())
-            {
-#if wxUSE_THREADS
-                // leave the main loop to give other threads a chance to
-                // perform their GUI work
-                wxMutexGuiLeave();
-                wxUsleep(20);
-                wxMutexGuiEnter();
-#endif
-            }
-        }
-
-    }
+    m_eventLoop->Run();

 
     return 0;
 }
 
 
     return 0;
 }
 

-// Processes an X event.
-void wxApp::ProcessXEvent(WXEvent* _event)
-{
-    XEvent* event = (XEvent*) _event;
-
-    if ((event->type == KeyPress) && CheckForAccelerator(_event))
-    {
-        // Do nothing! We intercepted and processed the event as an accelerator.
-        return;
-    }
-    else if (event->type == PropertyNotify)
-    {
-        HandlePropertyChange(_event);
-        return;
-    }
-    else if (event->type == ResizeRequest)
-    {
-    /* Terry Gitnick <terryg@scientech.com> - 1/21/98
-    * If resize event, don't resize until the last resize event for this
-    * window is recieved. Prevents flicker as windows are resized.
-        */
-
-        Display *disp = XtDisplay((Widget) wxTheApp->GetTopLevelWidget());
-        Window win = event->xany.window;
-        XEvent report;
-
-        //  to avoid flicker
-        report = * event;
-        while( XCheckTypedWindowEvent (disp, win, ResizeRequest, &report));
-
-        // TODO: when implementing refresh optimization, we can use
-        // XtAddExposureToRegion to expand the window's paint region.
-
-        XtDispatchEvent(event);
-    }
-    else
-    {
-        XtDispatchEvent(event);
-    }
-}
-
+// Processes an idle event.

 // Returns TRUE if more time is needed.
 bool wxApp::ProcessIdle()
 {
     wxIdleEvent event;
 // Returns TRUE if more time is needed.
 bool wxApp::ProcessIdle()
 {
     wxIdleEvent event;

-    event.SetEventObject(this);
-    ProcessEvent(event);

 
 

-    return event.MoreRequested();
+    return ProcessEvent(event) && event.MoreRequested();

 }
 
 void wxApp::ExitMainLoop()
 {
 }
 
 void wxApp::ExitMainLoop()
 {

-    m_keepGoing = FALSE;
+    m_eventLoop->Exit();

 }
 
 // Is a message/event pending?
 }
 
 // Is a message/event pending?


@@ -386,11 +335,7 @@ bool wxApp::Pending()
 // Dispatch a message.
 void wxApp::Dispatch()
 {
 // Dispatch a message.
 void wxApp::Dispatch()
 {

-    //    XtAppProcessEvent( (XtAppContext) wxTheApp->GetAppContext(), XtIMAll);
-
-    XEvent event;
-    XtAppNextEvent((XtAppContext) GetAppContext(), &event);
-    ProcessXEvent((WXEvent*) & event);
+    m_eventLoop->Dispatch();

 }
 
 // This should be redefined in a derived class for
 }
 
 // This should be redefined in a derived class for


@@ -411,13 +356,20 @@ void wxApp::OnIdle(wxIdleEvent& event)
 
     inOnIdle = TRUE;
 
 
     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();
     // Flush pending events.
     ProcessPendingEvents();

-#endif
+
+    // 'Garbage' collection of windows deleted with Close().
+    DeletePendingObjects();

 
     // flush the logged messages if any
     wxLog *pLog = wxLog::GetActiveTarget();
 
     // flush the logged messages if any
     wxLog *pLog = wxLog::GetActiveTarget();


@@ -462,24 +414,24 @@ bool wxApp::SendIdleEvents(wxWindow* win)
     if (event.MoreRequested())
         needMore = TRUE;
 
     if (event.MoreRequested())
         needMore = TRUE;
 

-    wxNode* node = win->GetChildren().First();
+    wxWindowList::Node* node = win->GetChildren().GetFirst();

     while (node)
     {
     while (node)
     {

-        wxWindow* win = (wxWindow*) node->Data();
+        wxWindow* win = node->GetData();

         if (SendIdleEvents(win))
             needMore = TRUE;
 
         if (SendIdleEvents(win))
             needMore = TRUE;
 

-        node = node->Next();
+        node = node->GetNext();

     }
     return needMore ;
 }
 
 void wxApp::DeletePendingObjects()
 {
     }
     return needMore ;
 }
 
 void wxApp::DeletePendingObjects()
 {

-    wxNode *node = wxPendingDelete.First();
+    wxList::Node *node = wxPendingDelete.GetFirst();

     while (node)
     {
     while (node)
     {

-        wxObject *obj = (wxObject *)node->Data();
+        wxObject *obj = node->GetData();

 
         delete obj;
 
 
         delete obj;
 


@@ -488,48 +440,28 @@ void wxApp::DeletePendingObjects()
 
         // Deleting one object may have deleted other pending
         // objects, so start from beginning of list again.
 
         // Deleting one object may have deleted other pending
         // objects, so start from beginning of list again.

-        node = wxPendingDelete.First();
+        node = wxPendingDelete.GetFirst();

     }
 }
 
     }
 }
 

-#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
-
-wxLog* wxApp::CreateLogTarget()
-{
-    return new wxLogGui;
-}
-
-wxWindow* wxApp::GetTopWindow() const
-{
-    if (m_topWindow)
-        return m_topWindow;
-    else if (wxTopLevelWindows.GetCount() > 0)
-        return wxTopLevelWindows.GetFirst()->GetData();
-    else
-        return NULL;
-}
+static char *fallbackResources[] = {
+    "*menuBar.marginHeight: 0",
+    "*menuBar.shadowThickness: 1",
+    "*background: #c0c0c0",
+    "*foreground: black",
+    NULL
+};

 
 // Create an application context
 bool wxApp::OnInitGui()
 {
 
 // Create an application context
 bool wxApp::OnInitGui()
 {

+    if( !wxAppBase::OnInitGui() )
+        return FALSE;
+

     XtToolkitInitialize() ;
     XtToolkitInitialize() ;

-    wxTheApp->m_appContext = (WXAppContext) XtCreateApplicationContext() ;
+    wxTheApp->m_appContext = (WXAppContext) XtCreateApplicationContext();
+    XtAppSetFallbackResources((XtAppContext) wxTheApp->m_appContext, fallbackResources);
+

     Display *dpy = XtOpenDisplay((XtAppContext) wxTheApp->m_appContext,(String)NULL,NULL,
         (const char*) wxTheApp->GetClassName(), NULL, 0,
 # if XtSpecificationRelease < 5
     Display *dpy = XtOpenDisplay((XtAppContext) wxTheApp->m_appContext,(String)NULL,NULL,
         (const char*) wxTheApp->GetClassName(), NULL, 0,
 # if XtSpecificationRelease < 5


@@ -540,6 +472,8 @@ bool wxApp::OnInitGui()
         argv);
 
     if (!dpy) {
         argv);
 
     if (!dpy) {

+         // if you don't log to stderr, nothing will be shown...
+        delete wxLog::SetActiveTarget(new wxLogStderr);

         wxString className(wxTheApp->GetClassName());
         wxLogError(_("wxWindows could not open display for '%s': exiting."),
                    (const char*) className);
         wxString className(wxTheApp->GetClassName());
         wxLogError(_("wxWindows could not open display for '%s': exiting."),
                    (const char*) className);


@@ -547,6 +481,11 @@ bool wxApp::OnInitGui()
     }
     m_initialDisplay = (WXDisplay*) dpy;
 
     }
     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) ;
     wxTheApp->m_topLevelWidget = (WXWidget) XtAppCreateShell((String)NULL, (const char*) wxTheApp->GetClassName(),
         applicationShellWidgetClass,dpy,
         NULL,0) ;


@@ -560,6 +499,8 @@ bool wxApp::OnInitGui()
     GetMainColormap(dpy);
     m_maxRequestSize = XMaxRequestSize((Display*) dpy);
 
     GetMainColormap(dpy);
     m_maxRequestSize = XMaxRequestSize((Display*) dpy);
 

+    wxAddIdleCallback();
+

     return TRUE;
 }
 
     return TRUE;
 }
 


@@ -579,41 +520,6 @@ WXColormap wxApp::GetMainColormap(WXDisplay* display)
     return (WXColormap) c;
 }
 
     return (WXColormap) c;
 }
 

-// Returns TRUE if an accelerator has been processed
-bool wxApp::CheckForAccelerator(WXEvent* event)
-{
-    XEvent* xEvent = (XEvent*) event;
-    if (xEvent->xany.type == KeyPress)
-    {
-        // Find a wxWindow for this window
-        // TODO: should get display for the window, not the current display
-        Widget widget = XtWindowToWidget((Display*) wxGetDisplay(), xEvent->xany.window);
-        wxWindow* win = NULL;
-
-        // Find the first wxWindow that corresponds to this event window
-        while (widget && !(win = wxGetWindowFromTable(widget)))
-            widget = XtParent(widget);
-
-        if (!widget || !win)
-            return FALSE;
-
-        wxKeyEvent keyEvent(wxEVT_CHAR);
-        wxTranslateKeyEvent(keyEvent, win, (Widget) 0, xEvent);
-
-        // Now we have a wxKeyEvent and we have a wxWindow.
-        // Go up the hierarchy until we find a matching accelerator,
-        // or we get to the top.
-        while (win)
-        {
-            if (win->ProcessAccelerator(keyEvent))
-                return TRUE;
-            win = win->GetParent();
-        }
-        return FALSE;
-    }
-    return FALSE;
-}
-

 void wxExit()
 {
     int retValue = 0;
 void wxExit()
 {
     int retValue = 0;


@@ -629,16 +535,36 @@ void wxExit()
 }
 
 // Yield to other processes
 }
 
 // Yield to other processes

-bool wxYield()
+
+bool wxApp::Yield(bool onlyIfNeeded)

 {
 {

+    bool s_inYield = FALSE;
+
+    if ( s_inYield )
+    {
+        if ( !onlyIfNeeded )
+        {
+            wxFAIL_MSG( wxT("wxYield called recursively" ) );
+        }
+
+        return FALSE;
+    }
+
+    s_inYield = TRUE;
+

     while (wxTheApp && wxTheApp->Pending())
         wxTheApp->Dispatch();
 
     while (wxTheApp && wxTheApp->Pending())
         wxTheApp->Dispatch();
 

-    // VZ: is it the same as this (taken from old wxExecute)?
-#if 0
-    XtAppProcessEvent((XtAppContext) wxTheApp->GetAppContext(), XtIMAll);
-#endif
+    s_inYield = FALSE;

 
     return TRUE;
 }
 
 
     return TRUE;
 }
 

+// ----------------------------------------------------------------------------
+// accessors for C modules
+// ----------------------------------------------------------------------------
+
+extern "C" XtAppContext wxGetAppContext()
+{
+    return (XtAppContext)wxTheApp->GetAppContext();
+}