// Created: 17/09/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
-// Licence: wxWindows licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
-#pragma implementation "app.h"
+ #pragma implementation "app.h"
+#endif
+
+#ifdef __VMS
+#define XtParent XTPARENT
+#define XtDisplay XTDISPLAY
#endif
#include "wx/frame.h"
#include "wx/log.h"
#include "wx/module.h"
#include "wx/memory.h"
+#include "wx/log.h"
+#include "wx/intl.h"
#if wxUSE_THREADS
-#include "wx/thread.h"
+ #include "wx/thread.h"
#endif
#if wxUSE_WX_RESOURCES
-#include "wx/resource.h"
+ #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"
#include <string.h>
-extern char *wxBuffer;
extern wxList wxPendingDelete;
wxApp *wxTheApp = NULL;
wxHashTable *wxWidgetHashTable = NULL;
-#if !USE_SHARED_LIBRARY
IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
+
BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
-EVT_IDLE(wxApp::OnIdle)
+ 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()
{
-#ifdef __WXMSW__
- wxBuffer = new char[1500];
-#else
- wxBuffer = new char[BUFSIZ + 512];
-#endif
-
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();
-
+
wxInitializeStockLists();
wxInitializeStockObjects();
-
+
#if wxUSE_WX_RESOURCES
wxInitializeResourceSystem();
#endif
-
+
// For PostScript printing
#if wxUSE_POSTSCRIPT
/* Done using wxModule now
wxThePrintPaperDatabase->CreateDatabase();
*/
#endif
-
+
wxBitmap::InitStandardHandlers();
-
+
wxWidgetHashTable = new wxHashTable(wxKEY_INTEGER);
-
+
wxModule::RegisterModules();
if (!wxModule::InitializeModules()) return FALSE;
-
+
return TRUE;
}
{
delete wxWidgetHashTable;
wxWidgetHashTable = NULL;
-
+
wxModule::CleanUpModules();
-
+
#if wxUSE_WX_RESOURCES
wxCleanUpResourceSystem();
#endif
-
+
wxDeleteStockObjects() ;
-
+
// 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;
-
+
#if wxUSE_POSTSCRIPT
/* Done using wxModule now
wxInitializePrintSetupData(FALSE);
wxThePrintPaperDatabase = NULL;
*/
#endif
-
+
wxBitmap::CleanUpHandlers();
-
- delete[] wxBuffer;
- wxBuffer = 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,
wxDebugContext::PrintStatistics();
}
#endif
-
+
// do it as the very last thing because everything else can log messages
wxLog::DontCreateOnDemand();
// do it as the very last thing because everything else can log messages
// checked, but this is a reasonable compromise.
wxDebugContext::SetCheckpoint();
#endif
-
+
if (!wxApp::Initialize())
return FALSE;
-
+
if (!wxTheApp)
{
if (!wxApp::GetInitializerFunction())
printf( "wxWindows error: No initializer - use IMPLEMENT_APP macro.\n" );
return 0;
};
-
+
wxTheApp = (wxApp*) (* wxApp::GetInitializerFunction()) ();
};
-
+
if (!wxTheApp)
{
printf( "wxWindows error: wxTheApp == NULL\n" );
return 0;
};
-
+
wxTheApp->SetClassName(wxFileNameFromPath(argv[0]));
wxTheApp->SetAppName(wxFileNameFromPath(argv[0]));
-
+
wxTheApp->argc = argc;
wxTheApp->argv = argv;
-
+
// GUI-specific initialization, such as creating an app context.
wxTheApp->OnInitGui();
-
- // Here frames insert themselves automatically
- // into wxTopLevelWindows by getting created
- // in OnInit().
-
+
+ // Here frames insert themselves automatically into wxTopLevelWindows by
+ // getting created in OnInit().
+
int retValue = 0;
if (wxTheApp->OnInit())
{
if (wxTheApp->Initialized()) retValue = wxTheApp->OnRun();
}
-
+
// flush the logged messages if any
wxLog *pLog = wxLog::GetActiveTarget();
if ( pLog != NULL && pLog->HasPendingMessages() )
pLog->Flush();
-
+
delete wxLog::SetActiveTarget(new wxLogStderr); // So dialog boxes aren't used
// for further messages
-
+
if (wxTheApp->GetTopWindow())
{
delete wxTheApp->GetTopWindow();
wxTheApp->SetTopWindow(NULL);
}
-
+
wxTheApp->DeletePendingObjects();
-
+
wxTheApp->OnExit();
-
+
wxApp::CleanUp();
-
+
return retValue;
};
// Static member initialization
-wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL;
+wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL;
wxApp::wxApp()
{
m_appName = "";
argc = 0;
argv = NULL;
- m_printMode = wxPRINT_POSTSCRIPT;
m_exitOnFrameDelete = TRUE;
- m_auto3D = TRUE;
-
+
m_mainColormap = (WXColormap) NULL;
m_appContext = (WXAppContext) NULL;
m_topLevelWidget = (WXWidget) NULL;
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
* the root window rather than to a widget. therefore we can't
* use an Xt-eventhandler.
*/
-
+
XSelectInput(XtDisplay((Widget) wxTheApp->GetTopLevelWidget()),
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())
- {
- // TODO: Robert, what's this for?
+ {
#if wxUSE_THREADS
+ // leave the main loop to give other threads a chance to
+ // perform their GUI work
wxMutexGuiLeave();
- usleep(20);
+ wxUsleep(20);
wxMutexGuiEnter();
#endif
}
}
-
+
}
-
+
return 0;
}
void wxApp::ProcessXEvent(WXEvent* _event)
{
XEvent* event = (XEvent*) _event;
-
- if ((event->type == KeyPress) && CheckForAccelerator(_event))
+
+ if (event->type == KeyPress)
+ {
+#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));
+#endif // DEBUG
+
+ if (CheckForAccelerator(_event))
+ {
+ // Do nothing! We intercepted and processed the event as an
+ // accelerator.
+ return;
+ }
+#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))
{
- // Do nothing! We intercepted and processed the event as an accelerator.
+ // We intercepted and processed the key down event
+ return;
+ }
+#endif
+ else
+ {
+ XtDispatchEvent(event);
+ return;
+ }
+ }
+ else if (event->type == KeyRelease)
+ {
+ // TODO: work out why we still need this ! -michael
+ //
+ if (CheckForKeyUp(_event))
+ {
+ // We intercepted and processed the key up event
return;
}
+ else
+ {
+ XtDispatchEvent(event);
+ return;
+ }
+ }
else if (event->type == PropertyNotify)
{
HandlePropertyChange(_event);
}
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.
- */
-
+ /* 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
wxIdleEvent event;
event.SetEventObject(this);
ProcessEvent(event);
-
+
return event.MoreRequested();
}
bool wxApp::Pending()
{
XFlush(XtDisplay( (Widget) wxTheApp->GetTopLevelWidget() ));
-
+
// Fix by Doug from STI, to prevent a stall if non-X event
// is found.
return ((XtAppPending( (XtAppContext) GetAppContext() ) & XtIMXEvent) != 0) ;
void wxApp::Dispatch()
{
// XtAppProcessEvent( (XtAppContext) wxTheApp->GetAppContext(), XtIMAll);
-
+
XEvent event;
XtAppNextEvent((XtAppContext) GetAppContext(), &event);
ProcessXEvent((WXEvent*) & event);
void wxApp::OnIdle(wxIdleEvent& event)
{
static bool inOnIdle = FALSE;
-
+
// Avoid recursion (via ProcessEvent default case)
if (inOnIdle)
return;
-
+
inOnIdle = TRUE;
-
+
+ // 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
+
+ // Flush pending events.
+ ProcessPendingEvents();
+
// 'Garbage' collection of windows deleted with Close().
DeletePendingObjects();
-
+
// flush the logged messages if any
wxLog *pLog = wxLog::GetActiveTarget();
if ( pLog != NULL && pLog->HasPendingMessages() )
pLog->Flush();
-
+
// Send OnIdle events to all windows
bool needMore = SendIdleEvents();
-
+
if (needMore)
event.RequestMore(TRUE);
-
+
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()
{
bool needMore = FALSE;
- wxNode* node = wxTopLevelWindows.First();
+
+ wxWindowList::Node* node = wxTopLevelWindows.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;
}
bool wxApp::SendIdleEvents(wxWindow* win)
{
bool needMore = FALSE;
-
+
wxIdleEvent event;
event.SetEventObject(win);
win->ProcessEvent(event);
-
+
if (event.MoreRequested())
needMore = TRUE;
-
+
wxNode* node = win->GetChildren().First();
while (node)
{
wxWindow* win = (wxWindow*) node->Data();
if (SendIdleEvents(win))
needMore = TRUE;
-
+
node = node->Next();
}
return needMore ;
while (node)
{
wxObject *obj = (wxObject *)node->Data();
-
+
delete obj;
-
+
if (wxPendingDelete.Member(obj))
delete node;
-
+
// Deleting one object may have deleted other pending
// objects, so start from beginning of list again.
node = wxPendingDelete.First();
}
}
-wxLog* wxApp::CreateLogTarget()
-{
- return new wxLogGui;
-}
-
-wxWindow* wxApp::GetTopWindow() const
-{
- if (m_topWindow)
- return m_topWindow;
- else if (wxTopLevelWindows.Number() > 0)
- return (wxWindow*) wxTopLevelWindows.First()->Data();
- else
- return NULL;
-}
-
// Create an application context
bool wxApp::OnInitGui()
{
XtToolkitInitialize() ;
wxTheApp->m_appContext = (WXAppContext) XtCreateApplicationContext() ;
Display *dpy = XtOpenDisplay((XtAppContext) wxTheApp->m_appContext,(String)NULL,NULL,
- (const char*) wxTheApp->GetClassName(), NULL,
+ (const char*) wxTheApp->GetClassName(), NULL, 0,
# if XtSpecificationRelease < 5
- 0,(Cardinal*) &argc,argv) ;
+ (Cardinal*) &argc,
# else
- 0,&argc,argv) ;
+ &argc,
# endif
+ argv);
+
if (!dpy) {
- cerr << "wxWindows could not open display for " << wxTheApp->GetClassName() << ": exiting.\n";
+ wxString className(wxTheApp->GetClassName());
+ wxLogError(_("wxWindows could not open display for '%s': exiting."),
+ (const char*) className);
exit(-1);
}
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) ;
-
+
// Add general resize proc
XtActionsRec rec;
rec.string = "resize";
rec.proc = (XtActionProc)wxWidgetResizeProc;
XtAppAddActions((XtAppContext) wxTheApp->m_appContext, &rec, 1);
-
+
GetMainColormap(dpy);
m_maxRequestSize = XMaxRequestSize((Display*) dpy);
-
+
return TRUE;
}
{
if (!display) /* Must be called first with non-NULL display */
return m_mainColormap;
-
- Colormap c =
- DefaultColormapOfScreen(XScreenOfDisplay((Display*) display,
- DefaultScreen((Display*) display)));
-
+
+ int defaultScreen = DefaultScreen((Display*) display);
+ Screen* screen = XScreenOfDisplay((Display*) display, defaultScreen);
+
+ Colormap c = DefaultColormapOfScreen(screen);
+
if (!m_mainColormap)
m_mainColormap = (WXColormap) c;
-
+
return (WXColormap) c;
}
// 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.
return FALSE;
}
+bool wxApp::CheckForKeyDown(WXEvent* event)
+{
+ XEvent* xEvent = (XEvent*) event;
+ if (xEvent->xany.type == KeyPress)
+ {
+ 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_KEY_DOWN);
+ wxTranslateKeyEvent(keyEvent, win, (Widget) 0, xEvent);
+
+ return win->ProcessEvent( keyEvent );
+ }
+
+ return FALSE;
+}
+
+bool wxApp::CheckForKeyUp(WXEvent* event)
+{
+ XEvent* xEvent = (XEvent*) event;
+ if (xEvent->xany.type == KeyRelease)
+ {
+ 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_KEY_UP);
+ wxTranslateKeyEvent(keyEvent, win, (Widget) 0, xEvent);
+
+ return win->ProcessEvent( keyEvent );
+ }
+
+ return FALSE;
+}
+
void wxExit()
{
int retValue = 0;
if (wxTheApp)
retValue = wxTheApp->OnExit();
-
+
wxApp::CleanUp();
/*
* Exit in some platform-specific way. Not recommended that the app calls this:
}
// 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();
+
+ s_inYield = FALSE;
+
return TRUE;
}
+// ----------------------------------------------------------------------------
+// accessors for C modules
+// ----------------------------------------------------------------------------
+
+extern "C" XtAppContext wxGetAppContext()
+{
+ return (XtAppContext)wxTheApp->GetAppContext();
+}
projects / wxWidgets.git / blobdiff