// Created: 17/09/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
-// Licence: wxWindows licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "app.h"
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
+ #pragma implementation "app.h"
+#endif
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#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"
-#if USE_WX_RESOURCES
-#include "wx/resource.h"
+#if wxUSE_THREADS
+ #include "wx/thread.h"
#endif
-#if USE_POSTSCRIPT
-#include "wx/postscrp.h"
+#ifdef __VMS__
+#pragma message disable nosimpint
#endif
-
#include <Xm/Xm.h>
+#include <Xm/Label.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;
+ m_topLevelRealizedWidget = NULL;
+ }
-wxApp *wxTheApp = NULL;
+ wxXVisualInfo* m_visualInfo;
+ Widget m_topLevelWidget, m_topLevelRealizedWidget;
+};
+
+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)
+ EVT_IDLE(wxAppBase::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 && USE_MEMORY_TRACING) || USE_DEBUG_CONTEXT
+#ifdef __WXDEBUG__
+ typedef int (*XErrorHandlerFunc)(Display *, XErrorEvent *);
- streambuf* sBuf = new wxDebugStreamBuf;
- ostream* oStr = new ostream(sBuf) ;
- wxDebugContext::SetStream(oStr, sBuf);
+ XErrorHandlerFunc gs_pfnXErrorHandler = 0;
-#endif
-
- wxClassInfo::InitializeClasses();
-
- wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
- wxTheColourDatabase->Initialize();
- wxInitializeStockObjects();
-
-#if USE_WX_RESOURCES
- wxInitializeResourceSystem();
-#endif
-
- // For PostScript printing
-#if USE_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 USE_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 USE_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 && USE_MEMORY_TRACING) || USE_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_mainLoop = 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;
}
-bool wxApp::Initialized()
+wxApp::~wxApp()
{
- if (GetTopWindow())
- return TRUE;
- else
- return FALSE;
+ delete m_mainLoop;
+
+ 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 it->second;
+ }
+
+ delete m_perDisplayData;
+
+ wxApp::SetInstance(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
*/
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);
- 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));
- }
+ XDefaultRootWindow(XtDisplay((Widget) wxTheApp->GetTopLevelWidget())),
+ PropertyChangeMask);
- XtDispatchEvent(&event);
-
- DeletePendingObjects();
- }
- }
+ m_mainLoop->Run();
return 0;
}
-// Returns TRUE if more time is needed.
-bool wxApp::ProcessIdle()
-{
- wxIdleEvent event;
- event.SetEventObject(this);
- ProcessEvent(event);
-
- return event.MoreRequested();
-}
-
-void wxApp::ExitMainLoop()
-{
- m_keepGoing = FALSE;
-}
-
-// Is a message/event pending?
-bool wxApp::Pending()
-{
- XFlush(XtDisplay( (Widget) wxTheApp->GetTopLevelWidget() ));
- return (XtAppPending( (XtAppContext) wxTheApp->GetAppContext() ) != 0) ;
-}
-
-// Dispatch a message.
-void wxApp::Dispatch()
-{
- XtAppProcessEvent( (XtAppContext) wxTheApp->GetAppContext(), XtIMAll);
-}
-
// This should be redefined in a derived class for
// handling property change events for XAtom IPC.
void wxApp::HandlePropertyChange(WXEvent *event)
XtDispatchEvent((XEvent*) event); /* let Motif do the work */
}
-void wxApp::OnIdle(wxIdleEvent& event)
+static char *fallbackResources[] = {
+ "*menuBar.marginHeight: 0",
+ "*menuBar.shadowThickness: 1",
+ "*background: #c0c0c0",
+ "*foreground: black",
+ NULL
+};
+
+// Create an application context
+bool wxApp::OnInitGui()
{
- static bool inOnIdle = FALSE;
+ if( !wxAppBase::OnInitGui() )
+ return FALSE;
- // Avoid recursion (via ProcessEvent default case)
- if (inOnIdle)
- return;
+ XtToolkitInitialize() ;
+ wxTheApp->m_appContext = (WXAppContext) XtCreateApplicationContext();
+ XtAppSetFallbackResources((XtAppContext) wxTheApp->m_appContext, fallbackResources);
- inOnIdle = TRUE;
+ Display *dpy = XtOpenDisplay((XtAppContext) wxTheApp->m_appContext,(String)NULL,NULL,
+ wxTheApp->GetClassName().c_str(), NULL, 0,
+# if XtSpecificationRelease < 5
+ (Cardinal*) &argc,
+# else
+ &argc,
+# endif
+ argv);
- // 'Garbage' collection of windows deleted with Close().
- DeletePendingObjects();
+ if (!dpy) {
+ // if you don't log to stderr, nothing will be shown...
+ delete wxLog::SetActiveTarget(new wxLogStderr);
+ wxString className(wxTheApp->GetClassName());
+ wxLogError(_("wxWidgets could not open display for '%s': exiting."),
+ className.c_str());
+ exit(-1);
+ }
+ m_initialDisplay = (WXDisplay*) dpy;
- // flush the logged messages if any
- wxLog *pLog = wxLog::GetActiveTarget();
- if ( pLog != NULL && pLog->HasPendingMessages() )
- pLog->Flush();
+#ifdef __WXDEBUG__
+ // install the X error handler
+ gs_pfnXErrorHandler = XSetErrorHandler(wxXErrorHandler);
+#endif // __WXDEBUG__
- // Send OnIdle events to all windows
- bool needMore = SendIdleEvents();
+ // Add general resize proc
+ XtActionsRec rec;
+ rec.string = "resize";
+ rec.proc = (XtActionProc)wxWidgetResizeProc;
+ XtAppAddActions((XtAppContext) wxTheApp->m_appContext, &rec, 1);
+
+ GetMainColormap(dpy);
- if (needMore)
- event.RequestMore(TRUE);
+ wxAddIdleCallback();
- inOnIdle = FALSE;
+ return TRUE;
}
-// Send idle event to all top-level windows
-bool wxApp::SendIdleEvents()
+WXColormap wxApp::GetMainColormap(WXDisplay* display)
{
- bool needMore = FALSE;
- wxNode* node = wxTopLevelWindows.First();
- while (node)
- {
- wxWindow* win = (wxWindow*) node->Data();
- if (SendIdleEvents(win))
- needMore = TRUE;
-
- node = node->Next();
- }
- return needMore;
+ if (!display) /* Must be called first with non-NULL display */
+ return m_mainColormap;
+
+ 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;
}
-// Send idle event to window and all subwindows
-bool wxApp::SendIdleEvents(wxWindow* win)
+static inline wxPerDisplayData& GetOrCreatePerDisplayData
+ ( wxPerDisplayDataMap& m, WXDisplay* display )
{
- bool needMore = FALSE;
+ wxPerDisplayDataMap::iterator it = m.find( display );
+ if( it != m.end() && it->second != NULL )
+ return *(it->second);
+
+ wxPerDisplayData* nData = new wxPerDisplayData();
+ m[display] = nData;
- wxIdleEvent event;
- event.SetEventObject(win);
- win->ProcessEvent(event);
+ return *nData;
+}
+
+wxXVisualInfo* wxApp::GetVisualInfo( WXDisplay* display )
+{
+ wxPerDisplayData& data = GetOrCreatePerDisplayData( *m_perDisplayData,
+ display );
+ if( data.m_visualInfo )
+ return data.m_visualInfo;
- if (event.MoreRequested())
- needMore = TRUE;
+ wxXVisualInfo* vi = new wxXVisualInfo;
+ wxFillXVisualInfo( vi, (Display*)display );
- wxNode* node = win->GetChildren()->First();
- while (node)
- {
- wxWindow* win = (wxWindow*) node->Data();
- if (SendIdleEvents(win))
- needMore = TRUE;
+ data.m_visualInfo = vi;
- node = node->Next();
- }
- return needMore ;
+ return vi;
}
-void wxApp::DeletePendingObjects()
+static void wxTLWidgetDestroyCallback(Widget w, XtPointer clientData,
+ XtPointer ptr)
{
- wxNode *node = wxPendingDelete.First();
- while (node)
+ if( wxTheApp )
{
- 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();
+ wxTheApp->SetTopLevelWidget( (WXDisplay*)XtDisplay(w),
+ (WXWidget)NULL );
+ wxTheApp->SetTopLevelRealizedWidget( (WXDisplay*)XtDisplay(w),
+ (WXWidget)NULL );
}
}
-wxLog* wxApp::CreateLogTarget()
+WXWidget wxCreateTopLevelWidget( WXDisplay* display )
{
- return new wxLogGui;
+ Widget tlw = XtAppCreateShell( (String)NULL,
+ wxTheApp->GetClassName().c_str(),
+ applicationShellWidgetClass,
+ (Display*)display,
+ NULL, 0 );
+ XtVaSetValues( tlw,
+ XmNoverrideRedirect, True,
+ NULL );
+
+ XtAddCallback( tlw, XmNdestroyCallback,
+ (XtCallbackProc)wxTLWidgetDestroyCallback,
+ (XtPointer)NULL );
+
+ return (WXWidget)tlw;
}
-wxWindow* wxApp::GetTopWindow() const
+WXWidget wxCreateTopLevelRealizedWidget( WXDisplay* display )
{
- if (m_topWindow)
- return m_topWindow;
- else if (wxTopLevelWindows.Number() > 0)
- return (wxWindow*) wxTopLevelWindows.First()->Data();
- else
- return NULL;
+ Widget rTlw = XtVaCreateWidget( "dummy_widget", xmLabelWidgetClass,
+ (Widget)wxTheApp->GetTopLevelWidget(),
+ NULL);
+ XtSetMappedWhenManaged( rTlw, False );
+ XtRealizeWidget( rTlw );
+
+ return (WXWidget)rTlw;
}
-// Create an application context
-bool wxApp::OnInitGui()
+WXWidget wxApp::GetTopLevelWidget()
{
- XtToolkitInitialize() ;
- wxTheApp->m_appContext = (WXAppContext) XtCreateApplicationContext() ;
- Display *dpy = XtOpenDisplay((XtAppContext) wxTheApp->m_appContext,(String)NULL,NULL,
- (const char*) wxTheApp->GetClassName(), NULL,
-# if XtSpecificationRelease < 5
- 0,(Cardinal*) &argc,argv) ;
-# else
- 0,&argc,argv) ;
-# endif
- if (!dpy) {
- cerr << "wxWindows could not open display for " << wxTheApp->GetClassName() << ": exiting.\n";
- exit(-1);
- }
- wxTheApp->m_topLevelWidget = (WXWidget) XtAppCreateShell((String)NULL, (const char*) wxTheApp->GetClassName(),
- applicationShellWidgetClass,dpy,
- NULL,0) ;
+ WXDisplay* display = wxGetDisplay();
+ wxPerDisplayData& data = GetOrCreatePerDisplayData( *m_perDisplayData,
+ display );
+ if( data.m_topLevelWidget )
+ return (WXWidget)data.m_topLevelWidget;
- // Add general resize proc
- XtActionsRec rec;
- rec.string = "resize";
- rec.proc = (XtActionProc)wxWidgetResizeProc;
- XtAppAddActions((XtAppContext) wxTheApp->m_appContext, &rec, 1);
+ WXWidget tlw = wxCreateTopLevelWidget( display );
+ SetTopLevelWidget( display, tlw );
- GetMainColormap(dpy);
- m_maxRequestSize = XMaxRequestSize((Display*) dpy);
-
- return TRUE;
+ return tlw;
}
-WXColormap wxApp::GetMainColormap(WXDisplay* display)
+WXWidget wxApp::GetTopLevelRealizedWidget()
{
- if (!display) /* Must be called first with non-NULL display */
- return m_mainColormap;
+ WXDisplay* display = wxGetDisplay();
+ wxPerDisplayDataMap::iterator it = m_perDisplayData->find( display );
- Colormap c =
- DefaultColormapOfScreen(XScreenOfDisplay((Display*) display,
- DefaultScreen((Display*) display)));
+ if( it != m_perDisplayData->end() && it->second->m_topLevelRealizedWidget )
+ return (WXWidget)it->second->m_topLevelRealizedWidget;
- if (!m_mainColormap)
- m_mainColormap = (WXColormap) c;
+ WXWidget rTlw = wxCreateTopLevelRealizedWidget( display );
+ SetTopLevelRealizedWidget( display, rTlw );
- return (WXColormap) c;
+ return rTlw;
}
-void wxExit()
+void wxApp::SetTopLevelWidget(WXDisplay* display, WXWidget widget)
{
- int retValue = 0;
- if (wxTheApp)
- retValue = wxTheApp->OnExit();
+ GetOrCreatePerDisplayData( *m_perDisplayData, display )
+ .m_topLevelWidget = (Widget)widget;
+}
- wxApp::CleanUp();
- /*
- * Exit in some platform-specific way. Not recommended that the app calls this:
- * only for emergencies.
- */
- exit(retValue);
+void wxApp::SetTopLevelRealizedWidget(WXDisplay* display, WXWidget widget)
+{
+ GetOrCreatePerDisplayData( *m_perDisplayData, display )
+ .m_topLevelRealizedWidget = (Widget)widget;
}
// Yield to other processes
-bool wxYield()
+
+bool wxApp::Yield(bool onlyIfNeeded)
{
+ static 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