/////////////////////////////////////////////////////////////////////////////
-// Name: app.cpp
+// Name: src/motif/app.cpp
// Purpose: wxApp
// Author: Julian Smart
// Modified by:
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "app.h"
+// 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"
-#if wxUSE_THREADS
-#include "wx/thread.h"
+#ifndef WX_PRECOMP
+ #include "wx/hash.h"
+ #include "wx/intl.h"
+ #include "wx/log.h"
+ #include "wx/utils.h"
+ #include "wx/memory.h"
+ #include "wx/font.h"
#endif
-#if wxUSE_WX_RESOURCES
- #include "wx/resource.h"
+#include "wx/evtloop.h"
+
+#if wxUSE_THREADS
+ #include "wx/thread.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;
-#if wxUSE_THREADS
-extern wxList wxPendingEvents;
-extern wxList wxPendingEventsLocker;
-#endif
+struct wxPerDisplayData
+{
+ wxPerDisplayData()
+ {
+ m_visualInfo = NULL;
+ m_topLevelWidget = NULL;
+ m_topLevelRealizedWidget = NULL;
+ }
+
+ wxXVisualInfo* m_visualInfo;
+ Widget m_topLevelWidget, m_topLevelRealizedWidget;
+};
+
+static void wxTLWidgetDestroyCallback(Widget w, XtPointer clientData,
+ XtPointer ptr);
+static WXWidget wxCreateTopLevelWidget( WXDisplay* display );
-wxApp *wxTheApp = NULL;
+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 __WXDEBUG__
+extern "C"
{
- wxBuffer = new char[BUFSIZ + 512];
+ typedef int (*XErrorHandlerFunc)(Display *, XErrorEvent *);
+}
- wxClassInfo::InitializeClasses();
+XErrorHandlerFunc gs_pfnXErrorHandler = 0;
- wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
- wxTheColourDatabase->Initialize();
+extern "C"
+{
- wxInitializeStockLists();
- wxInitializeStockObjects();
+static int wxXErrorHandler(Display *dpy, XErrorEvent *xevent)
+{
+ // just forward to the default handler for now
+ return gs_pfnXErrorHandler(dpy, xevent);
+}
-#if wxUSE_WX_RESOURCES
- wxInitializeResourceSystem();
-#endif
+}
+#endif // __WXDEBUG__
- // For PostScript printing
-#if wxUSE_POSTSCRIPT
- /* Done using wxModule now
- wxInitializePrintSetupData();
- wxThePrintPaperDatabase = new wxPrintPaperDatabase;
- wxThePrintPaperDatabase->CreateDatabase();
- */
+bool wxApp::Initialize(int& argcOrig, wxChar **argvOrig)
+{
+#if wxUSE_INTL
+ wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
#endif
- wxBitmap::InitStandardHandlers();
+ if ( !wxAppBase::Initialize(argcOrig, argvOrig) )
+ return false;
wxWidgetHashTable = new wxHashTable(wxKEY_INTEGER);
- wxModule::RegisterModules();
- if (!wxModule::InitializeModules()) return FALSE;
-
- return TRUE;
+ return true;
}
void wxApp::CleanUp()
{
+ wxAppBase::CleanUp();
+
delete wxWidgetHashTable;
wxWidgetHashTable = NULL;
- wxModule::CleanUpModules();
+ delete m_mainLoop;
-#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
- /* Done using wxModule now
- wxInitializePrintSetupData(FALSE);
- delete wxThePrintPaperDatabase;
- wxThePrintPaperDatabase = NULL;
- */
-#endif
-
- wxBitmap::CleanUpHandlers();
-
- delete[] wxBuffer;
- wxBuffer = NULL;
-
- wxClassInfo::CleanUpClasses();
-
- delete wxTheApp;
- wxTheApp = NULL;
-
-#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,
- // as a special case. Then when dumping we need to ignore
- // wxDebugContext, too.
- if (wxDebugContext::CountObjectsLeft(TRUE) > 0)
+ for( wxPerDisplayDataMap::iterator it = m_perDisplayData->begin(),
+ end = m_perDisplayData->end();
+ it != end; ++it )
{
- wxLogDebug("There were memory leaks.\n");
- wxDebugContext::Dump();
- wxDebugContext::PrintStatistics();
- }
+ delete it->second->m_visualInfo;
+ // On Solaris 10 calling XtDestroyWidget on the top level widget
+ // dumps core if the locale is set to something other than "C"
+#ifndef __SUN__
+ XtDestroyWidget( it->second->m_topLevelWidget );
#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
- delete wxLog::SetActiveTarget(NULL);
+ delete it->second;
+ }
}
-int wxEntry( int argc, char *argv[] )
+void wxApp::Exit()
{
-#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
- // This seems to be necessary since there are 'rogue'
- // objects present at this point (perhaps global objects?)
- // Setting a checkpoint will ignore them as far as the
- // memory checking facility is concerned.
- // Of course you may argue that memory allocated in globals should be
- // 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().
-
- 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;
-};
+ 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_perDisplayData;
}
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
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_mainLoop->Run();
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);
- }
-}
-
-// 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() ));
-
- // Fix by Doug from STI, to prevent a stall if non-X event
- // is found.
- return ((XtAppPending( (XtAppContext) GetAppContext() ) & XtIMXEvent) != 0) ;
-}
-
-// Dispatch a message.
-void wxApp::Dispatch()
-{
- // XtAppProcessEvent( (XtAppContext) wxTheApp->GetAppContext(), XtIMAll);
-
- XEvent event;
- XtAppNextEvent((XtAppContext) GetAppContext(), &event);
- ProcessXEvent((WXEvent*) & event);
-}
-
// 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 bool inOnIdle = FALSE;
-
- // Avoid recursion (via ProcessEvent default case)
- if (inOnIdle)
- return;
-
- inOnIdle = TRUE;
-
- // 'Garbage' collection of windows deleted with Close().
- DeletePendingObjects();
-
-#if wxUSE_THREADS
- // Flush pending events.
- ProcessPendingEvents();
+static char *fallbackResources[] = {
+ // better defaults for CDE under Irix
+ //
+ // TODO: do something similar for the other systems, the hardcoded defaults
+ // below are ugly
+#ifdef __SGI__
+ wxMOTIF_STR("*sgiMode: True"),
+ wxMOTIF_STR("*useSchemes: all"),
+#else // !__SGI__
+#if !wxMOTIF_USE_RENDER_TABLE
+ wxMOTIF_STR("*.fontList: -*-helvetica-medium-r-normal-*-*-120-*-*-*-*-*-*"),
+#else
+ wxMOTIF_STR("*wxDefaultRendition.fontName: -*-helvetica-medium-r-normal-*-*-120-*-*-*-*-*-*"),
+ wxMOTIF_STR("*wxDefaultRendition.fontType: FONT_IS_FONTSET"),
+ wxMOTIF_STR("*.renderTable: wxDefaultRendition"),
#endif
+ wxMOTIF_STR("*listBox.background: white"),
+ wxMOTIF_STR("*text.background: white"),
+ wxMOTIF_STR("*comboBox.Text.background: white"),
+ wxMOTIF_STR("*comboBox.List.background: white"),
+#endif // __SGI__/!__SGI__
+ NULL
+};
- // 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;
-}
-
-// Send idle event to all top-level windows
-bool wxApp::SendIdleEvents()
-{
- bool needMore = FALSE;
- wxNode* node = wxTopLevelWindows.First();
- while (node)
- {
- wxWindow* win = (wxWindow*) node->Data();
- if (SendIdleEvents(win))
- needMore = TRUE;
-
- node = node->Next();
- }
- return needMore;
-}
-
-// Send idle event to window and all subwindows
-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 ;
-}
-
-void wxApp::DeletePendingObjects()
+// Create an application context
+bool wxApp::OnInitGui()
{
- wxNode *node = wxPendingDelete.First();
- while (node)
+ if( !wxAppBase::OnInitGui() )
+ return false;
+
+#ifdef __HPUX__
+ // under HP-UX creating XmFontSet fails when the system locale is C and
+ // we're using a remote DISPLAY, presumably because HP-UX uses its own
+ // names for C and ISO locales (roman8 and iso8859n respectively) and so
+ // its Motif libraries have troubles with non-HP X server
+ //
+ // whatever the reason, the fact is that without this hack any wxMotif
+ // program crashes on startup because it can't create any font (HP programs
+ // still work but they do spit out messages about failing to create font
+ // sets and failing back on "fixed" font too)
+ //
+ // notice that calling setlocale() here is not enough because X(m) init
+ // functions call setlocale() later so we really have to change environment
+ bool fixAll = false; // tweak LC_ALL (or just LC_CTYPE)?
+ const char *loc = getenv("LC_CTYPE");
+ if ( !loc )
{
- 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();
+ loc = getenv("LC_ALL");
+ if ( loc )
+ fixAll = true;
}
-}
-
-#if wxUSE_THREADS
-void wxApp::ProcessPendingEvents()
-
- wxNode *node = wxPendingEvents.First();
- wxCriticalSectionLocker locker(wxPendingEventsLocker);
- while (node)
+ if ( !loc ||
+ (loc[0] == 'C' && loc[1] == '\0') ||
+ strcmp(loc, "POSIX") == 0 )
{
- wxEvtHandler *handler = (wxEvtHandler *)node->Data();
-
- handler->ProcessPendingEvents();
-
- delete node;
- node = wxPendingEvents.First();
+ // we're using C locale, "fix" it
+ wxLogDebug(_T("HP-UX fontset hack: forcing locale to en_US.iso88591"));
+ putenv(fixAll ? "LC_ALL=en_US.iso88591" : "LC_CTYPE=en_US.iso88591");
}
+#endif // __HPUX__
-#endif
-
-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()
-{
+ XtSetLanguageProc(NULL, NULL, NULL);
XtToolkitInitialize() ;
- wxTheApp->m_appContext = (WXAppContext) XtCreateApplicationContext() ;
- Display *dpy = XtOpenDisplay((XtAppContext) wxTheApp->m_appContext,(String)NULL,NULL,
- (const char*) wxTheApp->GetClassName(), NULL, 0,
+ wxTheApp->m_appContext = (WXAppContext) XtCreateApplicationContext();
+ XtAppSetFallbackResources((XtAppContext) wxTheApp->m_appContext, fallbackResources);
+
+ // we shouldn't pass empty application/class name as it results in
+ // immediate crash inside XOpenIM() (if XIM is used) under IRIX
+ wxString appname = wxTheApp->GetAppName();
+ if ( appname.empty() )
+ appname = _T("wxapp");
+ wxString clsname = wxTheApp->GetClassName();
+ if ( clsname.empty() )
+ clsname = _T("wx");
+
+ Display *dpy = XtOpenDisplay((XtAppContext) wxTheApp->m_appContext,
+ (String)NULL,
+ appname.c_str(),
+ clsname.c_str(),
+ NULL, 0, // no options
# if XtSpecificationRelease < 5
(Cardinal*) &argc,
# else
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);
+ wxLogError(_("wxWidgets could not open display for '%s': exiting."),
+ className.c_str());
exit(-1);
}
m_initialDisplay = (WXDisplay*) dpy;
- wxTheApp->m_topLevelWidget = (WXWidget) XtAppCreateShell((String)NULL, (const char*) wxTheApp->GetClassName(),
- applicationShellWidgetClass,dpy,
- NULL,0) ;
+#ifdef __WXDEBUG__
+ // install the X error handler
+ gs_pfnXErrorHandler = XSetErrorHandler(wxXErrorHandler);
+#endif // __WXDEBUG__
// Add general resize proc
XtActionsRec rec;
- rec.string = "resize";
+ rec.string = wxMOTIF_STR("resize");
rec.proc = (XtActionProc)wxWidgetResizeProc;
XtAppAddActions((XtAppContext) wxTheApp->m_appContext, &rec, 1);
GetMainColormap(dpy);
- m_maxRequestSize = XMaxRequestSize((Display*) dpy);
- return TRUE;
+ wxAddIdleCallback();
+
+ return true;
}
WXColormap wxApp::GetMainColormap(WXDisplay* display)
return (WXColormap) c;
}
-// Returns TRUE if an accelerator has been processed
-bool wxApp::CheckForAccelerator(WXEvent* event)
+static inline wxPerDisplayData& GetOrCreatePerDisplayData
+ ( wxPerDisplayDataMap& m, WXDisplay* display )
{
- 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;
+ wxPerDisplayDataMap::iterator it = m.find( display );
+ if( it != m.end() && it->second != NULL )
+ return *(it->second);
- // Find the first wxWindow that corresponds to this event window
- while (widget && !(win = wxGetWindowFromTable(widget)))
- widget = XtParent(widget);
+ wxPerDisplayData* nData = new wxPerDisplayData();
+ m[display] = nData;
- if (!widget || !win)
- return FALSE;
+ return *nData;
+}
- wxKeyEvent keyEvent(wxEVT_CHAR);
- wxTranslateKeyEvent(keyEvent, win, (Widget) 0, xEvent);
+wxXVisualInfo* wxApp::GetVisualInfo( WXDisplay* display )
+{
+ wxPerDisplayData& data = GetOrCreatePerDisplayData( *m_perDisplayData,
+ display );
+ if( data.m_visualInfo )
+ return data.m_visualInfo;
- // 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;
+ wxXVisualInfo* vi = new wxXVisualInfo;
+ wxFillXVisualInfo( vi, (Display*)display );
+
+ data.m_visualInfo = vi;
+
+ return vi;
+}
+
+static void wxTLWidgetDestroyCallback(Widget w, XtPointer WXUNUSED(clientData),
+ XtPointer WXUNUSED(ptr))
+{
+ if( wxTheApp )
+ {
+ wxTheApp->SetTopLevelWidget( (WXDisplay*)XtDisplay(w),
+ (WXWidget)NULL );
+ wxTheApp->SetTopLevelRealizedWidget( (WXDisplay*)XtDisplay(w),
+ (WXWidget)NULL );
}
- return FALSE;
}
-void wxExit()
+WXWidget wxCreateTopLevelWidget( WXDisplay* display )
{
- int retValue = 0;
- if (wxTheApp)
- retValue = wxTheApp->OnExit();
+ 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;
+}
- wxApp::CleanUp();
- /*
- * Exit in some platform-specific way. Not recommended that the app calls this:
- * only for emergencies.
- */
- exit(retValue);
+WXWidget wxCreateTopLevelRealizedWidget( WXDisplay* WXUNUSED(display) )
+{
+ Widget rTlw = XtVaCreateWidget( "dummy_widget", topLevelShellWidgetClass,
+ (Widget)wxTheApp->GetTopLevelWidget(),
+ NULL );
+ XtSetMappedWhenManaged( rTlw, False );
+ XtRealizeWidget( rTlw );
+
+ return (WXWidget)rTlw;
+}
+
+WXWidget wxApp::GetTopLevelWidget()
+{
+ WXDisplay* display = wxGetDisplay();
+ wxPerDisplayData& data = GetOrCreatePerDisplayData( *m_perDisplayData,
+ display );
+ if( data.m_topLevelWidget )
+ return (WXWidget)data.m_topLevelWidget;
+
+ WXWidget tlw = wxCreateTopLevelWidget( display );
+ SetTopLevelWidget( display, tlw );
+
+ return tlw;
+}
+
+WXWidget wxApp::GetTopLevelRealizedWidget()
+{
+ WXDisplay* display = wxGetDisplay();
+ wxPerDisplayDataMap::iterator it = m_perDisplayData->find( display );
+
+ if( it != m_perDisplayData->end() && it->second->m_topLevelRealizedWidget )
+ return (WXWidget)it->second->m_topLevelRealizedWidget;
+
+ WXWidget rTlw = wxCreateTopLevelRealizedWidget( display );
+ SetTopLevelRealizedWidget( display, rTlw );
+
+ return rTlw;
+}
+
+void wxApp::SetTopLevelWidget(WXDisplay* display, WXWidget widget)
+{
+ GetOrCreatePerDisplayData( *m_perDisplayData, display )
+ .m_topLevelWidget = (Widget)widget;
+}
+
+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();
- // 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();
+}
projects / wxWidgets.git / blobdiff