Reformatted Motif headers; added __WXX11__ symbol support to common headers;
added place-holding src/x11 and include/wx/x11 files. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@14015 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
796
src/x11/app.cpp
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796
src/x11/app.cpp
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/////////////////////////////////////////////////////////////////////////////
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// Name: app.cpp
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// Purpose: wxApp
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// Author: Julian Smart
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// Modified by:
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// Created: 17/09/98
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation "app.h"
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#endif
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#ifdef __VMS
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#define XtParent XTPARENT
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#define XtDisplay XTDISPLAY
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#endif
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#include "wx/frame.h"
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#include "wx/app.h"
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#include "wx/utils.h"
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#include "wx/gdicmn.h"
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#include "wx/pen.h"
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#include "wx/brush.h"
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#include "wx/cursor.h"
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#include "wx/icon.h"
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#include "wx/palette.h"
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#include "wx/dc.h"
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#include "wx/dialog.h"
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#include "wx/msgdlg.h"
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#include "wx/log.h"
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#include "wx/module.h"
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#include "wx/memory.h"
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#include "wx/log.h"
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#include "wx/intl.h"
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#if wxUSE_THREADS
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#include "wx/thread.h"
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#endif
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#if wxUSE_WX_RESOURCES
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#include "wx/resource.h"
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#endif
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#ifdef __VMS__
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#pragma message disable nosimpint
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#endif
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#include <Xm/Xm.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/Xresource.h>
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#include <X11/Xatom.h>
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#ifdef __VMS__
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#pragma message enable nosimpint
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#endif
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#include "wx/motif/private.h"
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#include <string.h>
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extern char *wxBuffer;
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extern wxList wxPendingDelete;
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wxApp *wxTheApp = NULL;
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wxHashTable *wxWidgetHashTable = NULL;
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IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
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BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
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EVT_IDLE(wxApp::OnIdle)
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END_EVENT_TABLE()
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#ifdef __WXDEBUG__
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typedef int (*XErrorHandlerFunc)(Display *, XErrorEvent *);
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XErrorHandlerFunc gs_pfnXErrorHandler = 0;
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static int wxXErrorHandler(Display *dpy, XErrorEvent *xevent)
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{
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// just forward to the default handler for now
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return gs_pfnXErrorHandler(dpy, xevent);
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}
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#endif // __WXDEBUG__
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long wxApp::sm_lastMessageTime = 0;
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bool wxApp::Initialize()
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{
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wxBuffer = new char[BUFSIZ + 512];
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wxClassInfo::InitializeClasses();
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// GL: I'm annoyed ... I don't know where to put this and I don't want to
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// create a module for that as it's part of the core.
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#if wxUSE_THREADS
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wxPendingEventsLocker = new wxCriticalSection();
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#endif
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wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
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wxTheColourDatabase->Initialize();
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wxInitializeStockLists();
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wxInitializeStockObjects();
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#if wxUSE_WX_RESOURCES
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wxInitializeResourceSystem();
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#endif
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// For PostScript printing
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#if wxUSE_POSTSCRIPT
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/* Done using wxModule now
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wxInitializePrintSetupData();
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wxThePrintPaperDatabase = new wxPrintPaperDatabase;
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wxThePrintPaperDatabase->CreateDatabase();
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*/
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#endif
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wxBitmap::InitStandardHandlers();
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wxWidgetHashTable = new wxHashTable(wxKEY_INTEGER);
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wxModule::RegisterModules();
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if (!wxModule::InitializeModules()) return FALSE;
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return TRUE;
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}
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void wxApp::CleanUp()
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{
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delete wxWidgetHashTable;
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wxWidgetHashTable = NULL;
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wxModule::CleanUpModules();
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#if wxUSE_WX_RESOURCES
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wxCleanUpResourceSystem();
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#endif
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wxDeleteStockObjects() ;
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// Destroy all GDI lists, etc.
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wxDeleteStockLists();
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delete wxTheColourDatabase;
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wxTheColourDatabase = NULL;
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#if wxUSE_POSTSCRIPT
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/* Done using wxModule now
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wxInitializePrintSetupData(FALSE);
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delete wxThePrintPaperDatabase;
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wxThePrintPaperDatabase = NULL;
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*/
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#endif
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wxBitmap::CleanUpHandlers();
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delete[] wxBuffer;
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wxBuffer = NULL;
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wxClassInfo::CleanUpClasses();
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delete wxTheApp;
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wxTheApp = NULL;
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// GL: I'm annoyed ... I don't know where to put this and I don't want to
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// create a module for that as it's part of the core.
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#if wxUSE_THREADS
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delete wxPendingEvents;
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delete wxPendingEventsLocker;
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#endif
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#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
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// At this point we want to check if there are any memory
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// blocks that aren't part of the wxDebugContext itself,
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// as a special case. Then when dumping we need to ignore
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// wxDebugContext, too.
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if (wxDebugContext::CountObjectsLeft(TRUE) > 0)
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{
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wxLogDebug("There were memory leaks.\n");
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wxDebugContext::Dump();
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wxDebugContext::PrintStatistics();
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}
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#endif
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// do it as the very last thing because everything else can log messages
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wxLog::DontCreateOnDemand();
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// do it as the very last thing because everything else can log messages
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delete wxLog::SetActiveTarget(NULL);
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}
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int wxEntry( int argc, char *argv[] )
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{
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#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
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// This seems to be necessary since there are 'rogue'
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// objects present at this point (perhaps global objects?)
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// Setting a checkpoint will ignore them as far as the
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// memory checking facility is concerned.
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// Of course you may argue that memory allocated in globals should be
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// checked, but this is a reasonable compromise.
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wxDebugContext::SetCheckpoint();
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#endif
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if (!wxApp::Initialize())
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return FALSE;
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if (!wxTheApp)
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{
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if (!wxApp::GetInitializerFunction())
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{
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printf( "wxWindows error: No initializer - use IMPLEMENT_APP macro.\n" );
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return 0;
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};
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wxTheApp = (wxApp*) (* wxApp::GetInitializerFunction()) ();
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};
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if (!wxTheApp)
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{
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printf( "wxWindows error: wxTheApp == NULL\n" );
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return 0;
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};
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wxTheApp->SetClassName(wxFileNameFromPath(argv[0]));
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wxTheApp->SetAppName(wxFileNameFromPath(argv[0]));
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wxTheApp->argc = argc;
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wxTheApp->argv = argv;
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// GUI-specific initialization, such as creating an app context.
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wxTheApp->OnInitGui();
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// Here frames insert themselves automatically into wxTopLevelWindows by
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// getting created in OnInit().
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int retValue = 0;
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if (wxTheApp->OnInit())
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{
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if (wxTheApp->Initialized()) retValue = wxTheApp->OnRun();
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}
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// flush the logged messages if any
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wxLog *pLog = wxLog::GetActiveTarget();
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if ( pLog != NULL && pLog->HasPendingMessages() )
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pLog->Flush();
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delete wxLog::SetActiveTarget(new wxLogStderr); // So dialog boxes aren't used
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// for further messages
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if (wxTheApp->GetTopWindow())
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{
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delete wxTheApp->GetTopWindow();
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wxTheApp->SetTopWindow(NULL);
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}
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wxTheApp->DeletePendingObjects();
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wxTheApp->OnExit();
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wxApp::CleanUp();
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return retValue;
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};
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// Static member initialization
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wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL;
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wxApp::wxApp()
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{
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m_topWindow = NULL;
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wxTheApp = this;
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m_className = "";
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m_wantDebugOutput = TRUE ;
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m_appName = "";
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argc = 0;
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argv = NULL;
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m_exitOnFrameDelete = TRUE;
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m_mainColormap = (WXColormap) NULL;
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m_appContext = (WXAppContext) NULL;
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m_topLevelWidget = (WXWidget) NULL;
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m_maxRequestSize = 0;
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m_initialDisplay = (WXDisplay*) 0;
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}
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bool wxApp::Initialized()
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{
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if (GetTopWindow())
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return TRUE;
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else
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return FALSE;
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}
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int wxApp::MainLoop()
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{
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m_keepGoing = TRUE;
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/*
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* Sit around forever waiting to process X-events. Property Change
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* event are handled special, because they have to refer to
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* the root window rather than to a widget. therefore we can't
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* use an Xt-eventhandler.
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*/
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XSelectInput(XtDisplay((Widget) wxTheApp->GetTopLevelWidget()),
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XDefaultRootWindow(XtDisplay((Widget) wxTheApp->GetTopLevelWidget())),
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PropertyChangeMask);
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XEvent event;
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// Use this flag to allow breaking the loop via wxApp::ExitMainLoop()
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while (m_keepGoing)
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{
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XtAppNextEvent( (XtAppContext) wxTheApp->GetAppContext(), &event);
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ProcessXEvent((WXEvent*) & event);
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if (XtAppPending( (XtAppContext) wxTheApp->GetAppContext() ) == 0)
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{
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if (!ProcessIdle())
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{
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#if wxUSE_THREADS
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// leave the main loop to give other threads a chance to
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// perform their GUI work
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wxMutexGuiLeave();
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wxUsleep(20);
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wxMutexGuiEnter();
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#endif
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}
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}
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}
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return 0;
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}
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// Processes an X event.
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void wxApp::ProcessXEvent(WXEvent* _event)
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{
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XEvent* event = (XEvent*) _event;
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if (event->type == KeyPress)
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{
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#if 0 // def __WXDEBUG__
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Widget widget = XtWindowToWidget(event->xany.display, event->xany.window);
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wxLogDebug("Got key press event for 0x%08x (parent = 0x%08x)",
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widget, XtParent(widget));
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#endif // DEBUG
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if (CheckForAccelerator(_event))
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{
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// Do nothing! We intercepted and processed the event as an
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// accelerator.
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return;
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}
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#if 1
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// It seemed before that this hack was redundant and
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// key down events were being generated by wxCanvasInputEvent.
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// But no longer - why ???
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//
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else if (CheckForKeyDown(_event))
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{
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// We intercepted and processed the key down event
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return;
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}
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#endif
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else
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{
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XtDispatchEvent(event);
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return;
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}
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}
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else if (event->type == KeyRelease)
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{
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// TODO: work out why we still need this ! -michael
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//
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if (CheckForKeyUp(_event))
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{
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// We intercepted and processed the key up event
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return;
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}
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else
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{
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XtDispatchEvent(event);
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return;
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}
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}
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else if (event->type == PropertyNotify)
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{
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HandlePropertyChange(_event);
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return;
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}
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else if (event->type == ResizeRequest)
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{
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/* Terry Gitnick <terryg@scientech.com> - 1/21/98
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* If resize event, don't resize until the last resize event for this
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* window is recieved. Prevents flicker as windows are resized.
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*/
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Display *disp = XtDisplay((Widget) wxTheApp->GetTopLevelWidget());
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Window win = event->xany.window;
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XEvent report;
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// to avoid flicker
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report = * event;
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while( XCheckTypedWindowEvent (disp, win, ResizeRequest, &report));
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// TODO: when implementing refresh optimization, we can use
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// XtAddExposureToRegion to expand the window's paint region.
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XtDispatchEvent(event);
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}
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else
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{
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XtDispatchEvent(event);
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}
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}
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// Returns TRUE if more time is needed.
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bool wxApp::ProcessIdle()
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{
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wxIdleEvent event;
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event.SetEventObject(this);
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ProcessEvent(event);
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return event.MoreRequested();
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}
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void wxApp::ExitMainLoop()
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{
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m_keepGoing = FALSE;
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}
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// Is a message/event pending?
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bool wxApp::Pending()
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{
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XFlush(XtDisplay( (Widget) wxTheApp->GetTopLevelWidget() ));
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// Fix by Doug from STI, to prevent a stall if non-X event
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// is found.
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return ((XtAppPending( (XtAppContext) GetAppContext() ) & XtIMXEvent) != 0) ;
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}
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// Dispatch a message.
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void wxApp::Dispatch()
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{
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// XtAppProcessEvent( (XtAppContext) wxTheApp->GetAppContext(), XtIMAll);
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XEvent event;
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XtAppNextEvent((XtAppContext) GetAppContext(), &event);
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ProcessXEvent((WXEvent*) & event);
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}
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// This should be redefined in a derived class for
|
||||
// handling property change events for XAtom IPC.
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void wxApp::HandlePropertyChange(WXEvent *event)
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||||
{
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// by default do nothing special
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||||
XtDispatchEvent((XEvent*) event); /* let Motif do the work */
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||||
}
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||||
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void wxApp::OnIdle(wxIdleEvent& event)
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||||
{
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||||
static bool inOnIdle = FALSE;
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||||
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||||
// Avoid recursion (via ProcessEvent default case)
|
||||
if (inOnIdle)
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||||
return;
|
||||
|
||||
inOnIdle = TRUE;
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||||
|
||||
// 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.
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||||
// Changed Mar/2000 before 2.1.14
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||||
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||||
// Flush pending events.
|
||||
ProcessPendingEvents();
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||||
|
||||
// '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;
|
||||
|
||||
wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
|
||||
while (node)
|
||||
{
|
||||
wxWindow* win = node->GetData();
|
||||
if (SendIdleEvents(win))
|
||||
needMore = TRUE;
|
||||
node = node->GetNext();
|
||||
}
|
||||
|
||||
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()
|
||||
{
|
||||
wxNode *node = wxPendingDelete.First();
|
||||
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();
|
||||
}
|
||||
}
|
||||
|
||||
// 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, 0,
|
||||
# if XtSpecificationRelease < 5
|
||||
(Cardinal*) &argc,
|
||||
# else
|
||||
&argc,
|
||||
# endif
|
||||
argv);
|
||||
|
||||
if (!dpy) {
|
||||
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;
|
||||
}
|
||||
|
||||
WXColormap wxApp::GetMainColormap(WXDisplay* display)
|
||||
{
|
||||
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;
|
||||
}
|
||||
|
||||
// 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;
|
||||
}
|
||||
|
||||
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:
|
||||
* only for emergencies.
|
||||
*/
|
||||
exit(retValue);
|
||||
}
|
||||
|
||||
// Yield to other processes
|
||||
|
||||
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;
|
||||
}
|
||||
|
||||
// TODO use XmGetPixmap (?) to get the really standard icons!
|
||||
|
||||
// XPM hack: make the arrays const
|
||||
#define static static const
|
||||
|
||||
#include "wx/generic/info.xpm"
|
||||
#include "wx/generic/error.xpm"
|
||||
#include "wx/generic/question.xpm"
|
||||
#include "wx/generic/warning.xpm"
|
||||
|
||||
#undef static
|
||||
|
||||
wxIcon
|
||||
wxApp::GetStdIcon(int which) const
|
||||
{
|
||||
switch(which)
|
||||
{
|
||||
case wxICON_INFORMATION:
|
||||
return wxIcon(info_xpm);
|
||||
|
||||
case wxICON_QUESTION:
|
||||
return wxIcon(question_xpm);
|
||||
|
||||
case wxICON_EXCLAMATION:
|
||||
return wxIcon(warning_xpm);
|
||||
|
||||
default:
|
||||
wxFAIL_MSG("requested non existent standard icon");
|
||||
// still fall through
|
||||
|
||||
case wxICON_HAND:
|
||||
return wxIcon(error_xpm);
|
||||
}
|
||||
}
|
||||
|
||||
// ----------------------------------------------------------------------------
|
||||
// accessors for C modules
|
||||
// ----------------------------------------------------------------------------
|
||||
|
||||
extern "C" XtAppContext wxGetAppContext()
|
||||
{
|
||||
return (XtAppContext)wxTheApp->GetAppContext();
|
||||
}
|
Reference in New Issue
Block a user