// 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/app.h"
#include "wx/utils.h"
-#include "wx/gdicmn.h"
-#include "wx/pen.h"
-#include "wx/brush.h"
-#include "wx/cursor.h"
-#include "wx/icon.h"
-#include "wx/palette.h"
-#include "wx/dc.h"
-#include "wx/dialog.h"
-#include "wx/msgdlg.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"
+#include "wx/hash.h"
+#include "wx/hashmap.h"
-#if wxUSE_WX_RESOURCES
-#include "wx/resource.h"
+#if wxUSE_THREADS
+ #include "wx/thread.h"
#endif
-#if wxUSE_POSTSCRIPT
-#include "wx/postscrp.h"
+#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;
+struct wxPerDisplayData
+{
+ wxPerDisplayData()
+ { m_visualInfo = NULL; m_topLevelWidget = NULL; }
+
+ wxXVisualInfo* m_visualInfo;
+ Widget m_topLevelWidget;
+};
+
+WX_DECLARE_VOIDPTR_HASH_MAP( wxPerDisplayData, wxPerDisplayDataMap );
-wxApp *wxTheApp = NULL;
+static void wxTLWidgetDestroyCallback(Widget w, XtPointer clientData,
+ XtPointer ptr);
+static WXWidget wxCreateTopLevelWidget( WXDisplay* display );
+
+extern wxList wxPendingDelete;
+extern bool wxAddIdleCallback();
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
-
-long wxApp::sm_lastMessageTime = 0;
-
-bool wxApp::Initialize()
-{
-#ifdef __WXMSW__
- wxBuffer = new char[1500];
-#else
- wxBuffer = new char[BUFSIZ + 512];
-#endif
-
-#if (WXDEBUG && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
- streambuf* sBuf = new wxDebugStreamBuf;
- ostream* oStr = new ostream(sBuf) ;
- wxDebugContext::SetStream(oStr, sBuf);
+#ifdef __WXDEBUG__
+ typedef int (*XErrorHandlerFunc)(Display *, XErrorEvent *);
-#endif
-
- wxClassInfo::InitializeClasses();
+ XErrorHandlerFunc gs_pfnXErrorHandler = 0;
- wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
- wxTheColourDatabase->Initialize();
- wxInitializeStockObjects();
-
-#if wxUSE_WX_RESOURCES
- wxInitializeResourceSystem();
-#endif
-
- // For PostScript printing
-#if wxUSE_POSTSCRIPT
- wxInitializePrintSetupData();
- wxThePrintPaperDatabase = new wxPrintPaperDatabase;
- wxThePrintPaperDatabase->CreateDatabase();
-#endif
+ static int wxXErrorHandler(Display *dpy, XErrorEvent *xevent)
+ {
+ // just forward to the default handler for now
+ return gs_pfnXErrorHandler(dpy, xevent);
+ }
+#endif // __WXDEBUG__
- wxBitmap::InitStandardHandlers();
+bool wxApp::Initialize(int& argc, wxChar **argv)
+{
+ if ( !wxAppBase::Initialize(argc, argv) )
+ return false;
wxWidgetHashTable = new wxHashTable(wxKEY_INTEGER);
- wxModule::RegisterModules();
- wxASSERT( wxModule::InitializeModules() == TRUE );
-
- return TRUE;
+ return true;
}
void wxApp::CleanUp()
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;
-
- delete wxTheColourDatabase;
- wxTheColourDatabase = NULL;
-
-#if wxUSE_POSTSCRIPT
- wxInitializePrintSetupData(FALSE);
- delete wxThePrintPaperDatabase;
- wxThePrintPaperDatabase = NULL;
-#endif
-
- wxBitmap::CleanUpHandlers();
-
- delete[] wxBuffer;
- wxBuffer = NULL;
-
- wxClassInfo::CleanUpClasses();
-
- // 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
- delete wxLog::SetActiveTarget(NULL);
+ wxAppBase::CleanUp();
}
-int wxEntry( int argc, char *argv[] )
+void wxApp::Exit()
{
- 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().
-
- if (!wxTheApp->OnInit()) return 0;
-
- int retValue = 0;
-
- if (wxTheApp->Initialized()) retValue = wxTheApp->OnRun();
-
- if (wxTheApp->GetTopWindow())
- {
- delete wxTheApp->GetTopWindow();
- wxTheApp->SetTopWindow(NULL);
- }
-
- wxTheApp->DeletePendingObjects();
-
- wxTheApp->OnExit();
-
wxApp::CleanUp();
- delete wxTheApp;
- wxTheApp = NULL;
-
-#if (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,
- // as a special case. Then when dumping we need to ignore
- // wxDebugContext, too.
- if (wxDebugContext::CountObjectsLeft() > 0)
- {
- wxTrace("There were memory leaks.\n");
- wxDebugContext::Dump();
- wxDebugContext::PrintStatistics();
- }
- wxDebugContext::SetStream(NULL, NULL);
-#endif
-
- return retValue;
-};
+ wxAppConsole::Exit();
+}
-// Static member initialization
-wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL;
+// ============================================================================
+// wxApp
+// ============================================================================
wxApp::wxApp()
{
- m_topWindow = NULL;
- wxTheApp = this;
- m_className = "";
- m_wantDebugOutput = TRUE ;
- m_appName = "";
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_maxRequestSize = 0;
+ m_initialDisplay = (WXDisplay*) 0;
+ m_perDisplayData = new wxPerDisplayDataMap;
+}
+
+wxApp::~wxApp()
+{
+ delete m_eventLoop;
+
+ for( wxPerDisplayDataMap::iterator it = m_perDisplayData->begin(),
+ end = m_perDisplayData->end();
+ it != end; ++it )
+ {
+ delete it->second.m_visualInfo;
+ XtDestroyWidget( it->second.m_topLevelWidget );
+ }
+
+ delete m_perDisplayData;
+
+ wxTheApp = NULL;
}
bool wxApp::Initialized()
{
if (GetTopWindow())
- return TRUE;
+ return TRUE;
else
- return FALSE;
+ return FALSE;
}
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
*/
XSelectInput(XtDisplay((Widget) wxTheApp->GetTopLevelWidget()),
- 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);
- if(event.type == PropertyNotify)
- {
- HandlePropertyChange((WXEvent*) &event);
- } else
- {
- // 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. */
- if (event.type == ResizeRequest)
- {
- 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);
-
- DeletePendingObjects();
- }
- }
+ m_eventLoop->Run();
return 0;
}
+// Processes an idle 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()
{
- m_keepGoing = FALSE;
+ if( m_eventLoop->IsRunning() )
+ m_eventLoop->Exit();
}
// Is a message/event pending?
bool wxApp::Pending()
{
+ return m_eventLoop->Pending();
+#if 0
XFlush(XtDisplay( (Widget) wxTheApp->GetTopLevelWidget() ));
- return (XtAppPending( (XtAppContext) wxTheApp->GetAppContext() ) != 0) ;
+
+ // Fix by Doug from STI, to prevent a stall if non-X event
+ // is found.
+ return ((XtAppPending( (XtAppContext) GetAppContext() ) & XtIMXEvent) != 0) ;
+#endif
}
// Dispatch a message.
void wxApp::Dispatch()
{
- XtAppProcessEvent( (XtAppContext) wxTheApp->GetAppContext(), XtIMAll);
+ m_eventLoop->Dispatch();
}
// This should be redefined in a derived class for
// Avoid recursion (via ProcessEvent default case)
if (inOnIdle)
- return;
+ 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();
+ pLog->Flush();
// Send OnIdle events to all windows
bool needMore = SendIdleEvents();
if (needMore)
- event.RequestMore(TRUE);
+ event.RequestMore(TRUE);
inOnIdle = FALSE;
}
bool wxApp::SendIdleEvents()
{
bool needMore = FALSE;
- wxNode* node = wxTopLevelWindows.First();
- while (node)
- {
- wxWindow* win = (wxWindow*) node->Data();
- if (SendIdleEvents(win))
+
+ wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
+ while (node)
+ {
+ wxWindow* win = node->GetData();
+ if (SendIdleEvents(win))
needMore = TRUE;
+ node = node->GetNext();
+ }
- node = node->Next();
- }
return needMore;
}
{
bool needMore = FALSE;
- wxIdleEvent event;
- event.SetEventObject(win);
- win->ProcessEvent(event);
+ wxIdleEvent event;
+ event.SetEventObject(win);
+ win->GetEventHandler()->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 ;
-}
-
-void wxApp::DeletePendingObjects()
-{
- wxNode *node = wxPendingDelete.First();
+ wxWindowList::Node* node = win->GetChildren().GetFirst();
while (node)
{
- wxObject *obj = (wxObject *)node->Data();
-
- delete obj;
-
- if (wxPendingDelete.Member(obj))
- delete node;
+ wxWindow* win = node->GetData();
+ if (SendIdleEvents(win))
+ needMore = TRUE;
- // Deleting one object may have deleted other pending
- // objects, so start from beginning of list again.
- node = wxPendingDelete.First();
+ node = node->GetNext();
}
+ return needMore ;
}
-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;
-}
+static char *fallbackResources[] = {
+ "*menuBar.marginHeight: 0",
+ "*menuBar.shadowThickness: 1",
+ "*background: #c0c0c0",
+ "*foreground: black",
+ NULL
+};
// Create an application context
bool wxApp::OnInitGui()
{
+ if( !wxAppBase::OnInitGui() )
+ return FALSE;
+
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,
+ wxTheApp->GetClassName().c_str(), 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";
- exit(-1);
+ // 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."),
+ className.c_str());
+ exit(-1);
}
- wxTheApp->m_topLevelWidget = (WXWidget) XtAppCreateShell((String)NULL, (const char*) wxTheApp->GetClassName(),
- applicationShellWidgetClass,dpy,
- NULL,0) ;
+ m_initialDisplay = (WXDisplay*) dpy;
+
+#ifdef __WXDEBUG__
+ // install the X error handler
+ gs_pfnXErrorHandler = XSetErrorHandler(wxXErrorHandler);
+#endif // __WXDEBUG__
// Add general resize proc
XtActionsRec rec;
XtAppAddActions((XtAppContext) wxTheApp->m_appContext, &rec, 1);
GetMainColormap(dpy);
- m_maxRequestSize = XMaxRequestSize((Display*) dpy);
+
+ wxAddIdleCallback();
return TRUE;
}
WXColormap wxApp::GetMainColormap(WXDisplay* display)
{
if (!display) /* Must be called first with non-NULL display */
- return m_mainColormap;
+ return m_mainColormap;
+
+ int defaultScreen = DefaultScreen((Display*) display);
+ Screen* screen = XScreenOfDisplay((Display*) display, defaultScreen);
- Colormap c =
- DefaultColormapOfScreen(XScreenOfDisplay((Display*) display,
- DefaultScreen((Display*) display)));
+ Colormap c = DefaultColormapOfScreen(screen);
if (!m_mainColormap)
- m_mainColormap = (WXColormap) c;
+ m_mainColormap = (WXColormap) c;
return (WXColormap) c;
}
-void wxExit()
+wxXVisualInfo* wxApp::GetVisualInfo( WXDisplay* display )
{
- int retValue = 0;
- if (wxTheApp)
- retValue = wxTheApp->OnExit();
+ wxPerDisplayDataMap::iterator it = m_perDisplayData->find( display );
- wxApp::CleanUp();
- /*
- * Exit in some platform-specific way. Not recommended that the app calls this:
- * only for emergencies.
- */
- exit(retValue);
+ if( it != m_perDisplayData->end() && it->second.m_visualInfo )
+ return it->second.m_visualInfo;
+
+ wxXVisualInfo* vi = new wxXVisualInfo;
+ wxFillXVisualInfo( vi, (Display*)display );
+
+ (*m_perDisplayData)[display].m_visualInfo = vi;
+
+ return vi;
+}
+
+static void wxTLWidgetDestroyCallback(Widget w, XtPointer clientData,
+ XtPointer ptr)
+{
+ if( wxTheApp )
+ wxTheApp->SetTopLevelWidget( (WXDisplay*)XtDisplay(w),
+ (WXWidget)NULL );
+}
+
+WXWidget wxCreateTopLevelWidget( WXDisplay* display )
+{
+ Widget tlw = XtAppCreateShell( (String)NULL,
+ wxTheApp->GetClassName().c_str(),
+ applicationShellWidgetClass,
+ (Display*)display,
+ NULL, 0 );
+ XtSetMappedWhenManaged( tlw, False );
+ XtRealizeWidget( tlw );
+
+ XtAddCallback( tlw, XmNdestroyCallback,
+ (XtCallbackProc)wxTLWidgetDestroyCallback,
+ (XtPointer)NULL );
+
+ return (WXWidget)tlw;
+}
+
+WXWidget wxApp::GetTopLevelWidget()
+{
+ WXDisplay* display = wxGetDisplay();
+ wxPerDisplayDataMap::iterator it = m_perDisplayData->find( display );
+
+ if( it != m_perDisplayData->end() && it->second.m_topLevelWidget )
+ return (WXWidget)it->second.m_topLevelWidget;
+
+ WXWidget tlw = wxCreateTopLevelWidget( display );
+ SetTopLevelWidget( display, tlw );
+
+ return tlw;
+}
+
+void wxApp::SetTopLevelWidget(WXDisplay* display, WXWidget widget)
+{
+ (*m_perDisplayData)[display].m_topLevelWidget = (Widget)widget;
}
// 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();
+ wxTheApp->Dispatch();
+
+ s_inYield = FALSE;
+
return TRUE;
}
+// ----------------------------------------------------------------------------
+// accessors for C modules
+// ----------------------------------------------------------------------------
+
+extern "C" XtAppContext wxGetAppContext()
+{
+ return (XtAppContext)wxTheApp->GetAppContext();
+}
projects / wxWidgets.git / blobdiff