///////////////////////////////////////////////////////////////////////////////
-// Name: common/base/appbase.cpp
-// Purpose: implements wxAppConsole class
+// Name: src/common/appbase.cpp
+// Purpose: implements wxAppConsoleBase class
// Author: Vadim Zeitlin
// Modified by:
// Created: 19.06.2003 (extracted from common/appcmn.cpp)
// RCS-ID: $Id$
// Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
-// License: wxWindows license
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// ============================================================================
#endif
#ifndef WX_PRECOMP
+ #ifdef __WINDOWS__
+ #include "wx/msw/wrapwin.h" // includes windows.h for MessageBox()
+ #endif
+ #include "wx/list.h"
#include "wx/app.h"
#include "wx/intl.h"
- #include "wx/list.h"
#include "wx/log.h"
+ #include "wx/utils.h"
+ #include "wx/wxcrtvararg.h"
#endif //WX_PRECOMP
-#include "wx/utils.h"
#include "wx/apptrait.h"
#include "wx/cmdline.h"
#include "wx/confbase.h"
+#include "wx/evtloop.h"
#include "wx/filename.h"
#include "wx/msgout.h"
+#include "wx/scopedptr.h"
+#include "wx/sysopt.h"
#include "wx/tokenzr.h"
+#include "wx/thread.h"
+
+#if wxUSE_STL
+ #if wxUSE_EXCEPTIONS
+ #include <exception>
+ #include <typeinfo>
+ #endif
+ #if wxUSE_INTL
+ #include <locale>
+ #endif
+#endif // wxUSE_STL
-#if !defined(__WXMSW__) || defined(__WXMICROWIN__)
+#if !defined(__WINDOWS__) || defined(__WXMICROWIN__)
#include <signal.h> // for SIGTRAP used by wxTrap()
#endif //Win/Unix
-#if defined(__WXMSW__)
- #include "wx/msw/wrapwin.h" // includes windows.h for MessageBox()
-#endif
+#include <locale.h>
#if wxUSE_FONTMAP
#include "wx/fontmap.h"
#endif // wxUSE_FONTMAP
-#if defined(__WXMAC__)
- // VZ: MacTypes.h is enough under Mac OS X (where I could test it) but
- // I don't know which headers are needed under earlier systems so
- // include everything when in doubt
- #ifdef __DARWIN__
- #include "MacTypes.h"
- #else
- #include "wx/mac/private.h" // includes mac headers
- #endif
-#endif // __WXMAC__
+#if wxDEBUG_LEVEL
+ #if wxUSE_STACKWALKER
+ #include "wx/stackwalk.h"
+ #ifdef __WINDOWS__
+ #include "wx/msw/debughlp.h"
+ #endif
+ #endif // wxUSE_STACKWALKER
+
+ #include "wx/recguard.h"
+#endif // wxDEBUG_LEVEL
+
+// wxABI_VERSION can be defined when compiling applications but it should be
+// left undefined when compiling the library itself, it is then set to its
+// default value in version.h
+#if wxABI_VERSION != wxMAJOR_VERSION * 10000 + wxMINOR_VERSION * 100 + 99
+#error "wxABI_VERSION should not be defined when compiling the library"
+#endif
// ----------------------------------------------------------------------------
// private functions prototypes
// ----------------------------------------------------------------------------
-#ifdef __WXDEBUG__
+#if wxDEBUG_LEVEL
// really just show the assert dialog
static bool DoShowAssertDialog(const wxString& msg);
// prepare for showing the assert dialog, use the given traits or
// DoShowAssertDialog() as last fallback to really show it
static
- void ShowAssertDialog(const wxChar *szFile,
- int nLine,
- const wxChar *szCond,
- const wxChar *szMsg,
+ void ShowAssertDialog(const wxString& file,
+ int line,
+ const wxString& func,
+ const wxString& cond,
+ const wxString& msg,
wxAppTraits *traits = NULL);
+#endif // wxDEBUG_LEVEL
+#ifdef __WXDEBUG__
// turn on the trace masks specified in the env variable WXTRACE
static void LINKAGEMODE SetTraceMasks();
#endif // __WXDEBUG__
// global vars
// ----------------------------------------------------------------------------
-wxAppConsole *wxAppConsole::ms_appInstance = NULL;
+wxAppConsole *wxAppConsoleBase::ms_appInstance = NULL;
+
+wxAppInitializerFunction wxAppConsoleBase::ms_appInitFn = NULL;
+
+wxSocketManager *wxAppTraitsBase::ms_manager = NULL;
-wxAppInitializerFunction wxAppConsole::ms_appInitFn = NULL;
+WXDLLIMPEXP_DATA_BASE(wxList) wxPendingDelete;
+
+// ----------------------------------------------------------------------------
+// wxEventLoopPtr
+// ----------------------------------------------------------------------------
+
+// this defines wxEventLoopPtr
+wxDEFINE_TIED_SCOPED_PTR_TYPE(wxEventLoopBase)
// ============================================================================
-// wxAppConsole implementation
+// wxAppConsoleBase implementation
// ============================================================================
// ----------------------------------------------------------------------------
// ctor/dtor
// ----------------------------------------------------------------------------
-wxAppConsole::wxAppConsole()
+wxAppConsoleBase::wxAppConsoleBase()
{
m_traits = NULL;
+ m_mainLoop = NULL;
+ m_bDoPendingEventProcessing = true;
- ms_appInstance = this;
+ ms_appInstance = static_cast<wxAppConsole *>(this);
#ifdef __WXDEBUG__
SetTraceMasks();
// In unicode mode the SetTraceMasks call can cause an apptraits to be
// created, but since we are still in the constructor the wrong kind will
// be created for GUI apps. Destroy it so it can be created again later.
- delete m_traits;
- m_traits = NULL;
+ wxDELETE(m_traits);
#endif
#endif
+
+ wxEvtHandler::AddFilter(this);
}
-wxAppConsole::~wxAppConsole()
+wxAppConsoleBase::~wxAppConsoleBase()
{
+ wxEvtHandler::RemoveFilter(this);
+
+ // we're being destroyed and using this object from now on may not work or
+ // even crash so don't leave dangling pointers to it
+ ms_appInstance = NULL;
+
delete m_traits;
}
// ----------------------------------------------------------------------------
-// initilization/cleanup
+// initialization/cleanup
// ----------------------------------------------------------------------------
-bool wxAppConsole::Initialize(int& argc, wxChar **argv)
+bool wxAppConsoleBase::Initialize(int& WXUNUSED(argc), wxChar **WXUNUSED(argv))
{
-#if wxUSE_LOG
- // If some code logged something before wxApp instance was created,
- // wxLogStderr was set as the target. Undo it here by destroying the
- // current target. It will be re-created next time logging is needed, but
- // this time wxAppTraits will be used:
- delete wxLog::SetActiveTarget(NULL);
-#endif // wxUSE_LOG
-
- // remember the command line arguments
- this->argc = argc;
- this->argv = argv;
+ return true;
+}
- if ( m_appName.empty() && argv )
+wxString wxAppConsoleBase::GetAppName() const
+{
+ wxString name = m_appName;
+ if ( name.empty() )
{
- // the application name is, by default, the name of its executable file
- wxFileName::SplitPath(argv[0], NULL, &m_appName, NULL);
+ if ( argv )
+ {
+ // the application name is, by default, the name of its executable file
+ wxFileName::SplitPath(argv[0], NULL, &name, NULL);
+ }
}
+ return name;
+}
- return true;
+wxString wxAppConsoleBase::GetAppDisplayName() const
+{
+ // use the explicitly provided display name, if any
+ if ( !m_appDisplayName.empty() )
+ return m_appDisplayName;
+
+ // if the application name was explicitly set, use it as is as capitalizing
+ // it won't always produce good results
+ if ( !m_appName.empty() )
+ return m_appName;
+
+ // if neither is set, use the capitalized version of the program file as
+ // it's the most reasonable default
+ return GetAppName().Capitalize();
}
-void wxAppConsole::CleanUp()
+wxEventLoopBase *wxAppConsoleBase::CreateMainLoop()
{
+ return GetTraits()->CreateEventLoop();
+}
+
+void wxAppConsoleBase::CleanUp()
+{
+ wxDELETE(m_mainLoop);
}
// ----------------------------------------------------------------------------
// OnXXX() callbacks
// ----------------------------------------------------------------------------
-bool wxAppConsole::OnInit()
+bool wxAppConsoleBase::OnInit()
{
#if wxUSE_CMDLINE_PARSER
wxCmdLineParser parser(argc, argv);
OnInitCmdLine(parser);
bool cont;
- switch ( parser.Parse(FALSE /* don't show usage */) )
+ switch ( parser.Parse(false /* don't show usage */) )
{
case -1:
cont = OnCmdLineHelp(parser);
}
if ( !cont )
- return FALSE;
+ return false;
#endif // wxUSE_CMDLINE_PARSER
- return TRUE;
+ return true;
}
-int wxAppConsole::OnExit()
+int wxAppConsoleBase::OnRun()
+{
+ return MainLoop();
+}
+
+int wxAppConsoleBase::OnExit()
{
#if wxUSE_CONFIG
// delete the config object if any (don't use Get() here, but Set()
// because Get() could create a new config object)
- delete wxConfigBase::Set((wxConfigBase *) NULL);
+ delete wxConfigBase::Set(NULL);
#endif // wxUSE_CONFIG
- // use Set(NULL) and not Get() to avoid creating a message output object on
- // demand when we just want to delete it
- delete wxMessageOutput::Set(NULL);
-
return 0;
}
-void wxAppConsole::Exit()
+void wxAppConsoleBase::Exit()
{
- exit(-1);
+ if (m_mainLoop != NULL)
+ ExitMainLoop();
+ else
+ exit(-1);
}
// ----------------------------------------------------------------------------
// traits stuff
// ----------------------------------------------------------------------------
-wxAppTraits *wxAppConsole::CreateTraits()
+wxAppTraits *wxAppConsoleBase::CreateTraits()
{
return new wxConsoleAppTraits;
}
-wxAppTraits *wxAppConsole::GetTraits()
+wxAppTraits *wxAppConsoleBase::GetTraits()
{
// FIXME-MT: protect this with a CS?
if ( !m_traits )
{
m_traits = CreateTraits();
- wxASSERT_MSG( m_traits, _T("wxApp::CreateTraits() failed?") );
+ wxASSERT_MSG( m_traits, wxT("wxApp::CreateTraits() failed?") );
}
return m_traits;
}
-// we must implement CreateXXX() in wxApp itself for backwards compatibility
-#if WXWIN_COMPATIBILITY_2_4
+/* static */
+wxAppTraits *wxAppConsoleBase::GetTraitsIfExists()
+{
+ wxAppConsole * const app = GetInstance();
+ return app ? app->GetTraits() : NULL;
+}
-#if wxUSE_LOG
+// ----------------------------------------------------------------------------
+// wxEventLoop redirection
+// ----------------------------------------------------------------------------
-wxLog *wxAppConsole::CreateLogTarget()
+int wxAppConsoleBase::MainLoop()
{
- wxAppTraits *traits = GetTraits();
- return traits ? traits->CreateLogTarget() : NULL;
+ wxEventLoopBaseTiedPtr mainLoop(&m_mainLoop, CreateMainLoop());
+
+ return m_mainLoop ? m_mainLoop->Run() : -1;
}
-#endif // wxUSE_LOG
+void wxAppConsoleBase::ExitMainLoop()
+{
+ // we should exit from the main event loop, not just any currently active
+ // (e.g. modal dialog) event loop
+ if ( m_mainLoop && m_mainLoop->IsRunning() )
+ {
+ m_mainLoop->Exit(0);
+ }
+}
+
+bool wxAppConsoleBase::Pending()
+{
+ // use the currently active message loop here, not m_mainLoop, because if
+ // we're showing a modal dialog (with its own event loop) currently the
+ // main event loop is not running anyhow
+ wxEventLoopBase * const loop = wxEventLoopBase::GetActive();
-wxMessageOutput *wxAppConsole::CreateMessageOutput()
+ return loop && loop->Pending();
+}
+
+bool wxAppConsoleBase::Dispatch()
+{
+ // see comment in Pending()
+ wxEventLoopBase * const loop = wxEventLoopBase::GetActive();
+
+ return loop && loop->Dispatch();
+}
+
+bool wxAppConsoleBase::Yield(bool onlyIfNeeded)
+{
+ wxEventLoopBase * const loop = wxEventLoopBase::GetActive();
+ if ( loop )
+ return loop->Yield(onlyIfNeeded);
+
+ wxScopedPtr<wxEventLoopBase> tmpLoop(CreateMainLoop());
+ return tmpLoop->Yield(onlyIfNeeded);
+}
+
+void wxAppConsoleBase::WakeUpIdle()
{
- wxAppTraits *traits = GetTraits();
- return traits ? traits->CreateMessageOutput() : NULL;
+ wxEventLoopBase * const loop = wxEventLoopBase::GetActive();
+
+ if ( loop )
+ loop->WakeUp();
}
-#endif // WXWIN_COMPATIBILITY_2_4
+bool wxAppConsoleBase::ProcessIdle()
+{
+ // synthesize an idle event and check if more of them are needed
+ wxIdleEvent event;
+ event.SetEventObject(this);
+ ProcessEvent(event);
+
+#if wxUSE_LOG
+ // flush the logged messages if any (do this after processing the events
+ // which could have logged new messages)
+ wxLog::FlushActive();
+#endif
+
+ // Garbage collect all objects previously scheduled for destruction.
+ DeletePendingObjects();
+
+ return event.MoreRequested();
+}
+
+bool wxAppConsoleBase::UsesEventLoop() const
+{
+ // in console applications we don't know whether we're going to have an
+ // event loop so assume we won't -- unless we already have one running
+ return wxEventLoopBase::GetActive() != NULL;
+}
// ----------------------------------------------------------------------------
-// event processing
+// events
// ----------------------------------------------------------------------------
-void wxAppConsole::ProcessPendingEvents()
+/* static */
+bool wxAppConsoleBase::IsMainLoopRunning()
+{
+ const wxAppConsole * const app = GetInstance();
+
+ return app && app->m_mainLoop != NULL;
+}
+
+int wxAppConsoleBase::FilterEvent(wxEvent& WXUNUSED(event))
+{
+ // process the events normally by default
+ return Event_Skip;
+}
+
+void wxAppConsoleBase::DelayPendingEventHandler(wxEvtHandler* toDelay)
+{
+ wxENTER_CRIT_SECT(m_handlersWithPendingEventsLocker);
+
+ // move the handler from the list of handlers with processable pending events
+ // to the list of handlers with pending events which needs to be processed later
+ m_handlersWithPendingEvents.Remove(toDelay);
+
+ if (m_handlersWithPendingDelayedEvents.Index(toDelay) == wxNOT_FOUND)
+ m_handlersWithPendingDelayedEvents.Add(toDelay);
+
+ wxLEAVE_CRIT_SECT(m_handlersWithPendingEventsLocker);
+}
+
+void wxAppConsoleBase::RemovePendingEventHandler(wxEvtHandler* toRemove)
{
- // ensure that we're the only thread to modify the pending events list
- wxENTER_CRIT_SECT( *wxPendingEventsLocker );
+ wxENTER_CRIT_SECT(m_handlersWithPendingEventsLocker);
- if ( !wxPendingEvents )
+ if (m_handlersWithPendingEvents.Index(toRemove) != wxNOT_FOUND)
{
- wxLEAVE_CRIT_SECT( *wxPendingEventsLocker );
- return;
+ m_handlersWithPendingEvents.Remove(toRemove);
+
+ // check that the handler was present only once in the list
+ wxASSERT_MSG( m_handlersWithPendingEvents.Index(toRemove) == wxNOT_FOUND,
+ "Handler occurs twice in the m_handlersWithPendingEvents list!" );
}
+ //else: it wasn't in this list at all, it's ok
- // iterate until the list becomes empty
- wxList::compatibility_iterator node = wxPendingEvents->GetFirst();
- while (node)
+ if (m_handlersWithPendingDelayedEvents.Index(toRemove) != wxNOT_FOUND)
+ {
+ m_handlersWithPendingDelayedEvents.Remove(toRemove);
+
+ // check that the handler was present only once in the list
+ wxASSERT_MSG( m_handlersWithPendingDelayedEvents.Index(toRemove) == wxNOT_FOUND,
+ "Handler occurs twice in m_handlersWithPendingDelayedEvents list!" );
+ }
+ //else: it wasn't in this list at all, it's ok
+
+ wxLEAVE_CRIT_SECT(m_handlersWithPendingEventsLocker);
+}
+
+void wxAppConsoleBase::AppendPendingEventHandler(wxEvtHandler* toAppend)
+{
+ wxENTER_CRIT_SECT(m_handlersWithPendingEventsLocker);
+
+ if ( m_handlersWithPendingEvents.Index(toAppend) == wxNOT_FOUND )
+ m_handlersWithPendingEvents.Add(toAppend);
+
+ wxLEAVE_CRIT_SECT(m_handlersWithPendingEventsLocker);
+}
+
+bool wxAppConsoleBase::HasPendingEvents() const
+{
+ wxENTER_CRIT_SECT(const_cast<wxAppConsoleBase*>(this)->m_handlersWithPendingEventsLocker);
+
+ bool has = !m_handlersWithPendingEvents.IsEmpty();
+
+ wxLEAVE_CRIT_SECT(const_cast<wxAppConsoleBase*>(this)->m_handlersWithPendingEventsLocker);
+
+ return has;
+}
+
+void wxAppConsoleBase::SuspendProcessingOfPendingEvents()
+{
+ m_bDoPendingEventProcessing = false;
+}
+
+void wxAppConsoleBase::ResumeProcessingOfPendingEvents()
+{
+ m_bDoPendingEventProcessing = true;
+}
+
+void wxAppConsoleBase::ProcessPendingEvents()
+{
+ if ( m_bDoPendingEventProcessing )
{
- wxEvtHandler *handler = (wxEvtHandler *)node->GetData();
- wxPendingEvents->Erase(node);
+ wxENTER_CRIT_SECT(m_handlersWithPendingEventsLocker);
- // In ProcessPendingEvents(), new handlers might be add
- // and we can safely leave the critical section here.
- wxLEAVE_CRIT_SECT( *wxPendingEventsLocker );
- handler->ProcessPendingEvents();
- wxENTER_CRIT_SECT( *wxPendingEventsLocker );
+ wxCHECK_RET( m_handlersWithPendingDelayedEvents.IsEmpty(),
+ "this helper list should be empty" );
- node = wxPendingEvents->GetFirst();
+ // iterate until the list becomes empty: the handlers remove themselves
+ // from it when they don't have any more pending events
+ while (!m_handlersWithPendingEvents.IsEmpty())
+ {
+ // In ProcessPendingEvents(), new handlers might be added
+ // and we can safely leave the critical section here.
+ wxLEAVE_CRIT_SECT(m_handlersWithPendingEventsLocker);
+
+ // NOTE: we always call ProcessPendingEvents() on the first event handler
+ // with pending events because handlers auto-remove themselves
+ // from this list (see RemovePendingEventHandler) if they have no
+ // more pending events.
+ m_handlersWithPendingEvents[0]->ProcessPendingEvents();
+
+ wxENTER_CRIT_SECT(m_handlersWithPendingEventsLocker);
+ }
+
+ // now the wxHandlersWithPendingEvents is surely empty; however some event
+ // handlers may have moved themselves into wxHandlersWithPendingDelayedEvents
+ // because of a selective wxYield call in progress.
+ // Now we need to move them back to wxHandlersWithPendingEvents so the next
+ // call to this function has the chance of processing them:
+ if (!m_handlersWithPendingDelayedEvents.IsEmpty())
+ {
+ WX_APPEND_ARRAY(m_handlersWithPendingEvents, m_handlersWithPendingDelayedEvents);
+ m_handlersWithPendingDelayedEvents.Clear();
+ }
+
+ wxLEAVE_CRIT_SECT(m_handlersWithPendingEventsLocker);
}
+}
- wxLEAVE_CRIT_SECT( *wxPendingEventsLocker );
+void wxAppConsoleBase::DeletePendingEvents()
+{
+ wxENTER_CRIT_SECT(m_handlersWithPendingEventsLocker);
+
+ wxCHECK_RET( m_handlersWithPendingDelayedEvents.IsEmpty(),
+ "this helper list should be empty" );
+
+ for (unsigned int i=0; i<m_handlersWithPendingEvents.GetCount(); i++)
+ m_handlersWithPendingEvents[i]->DeletePendingEvents();
+
+ m_handlersWithPendingEvents.Clear();
+
+ wxLEAVE_CRIT_SECT(m_handlersWithPendingEventsLocker);
}
-int wxAppConsole::FilterEvent(wxEvent& WXUNUSED(event))
+// ----------------------------------------------------------------------------
+// delayed objects destruction
+// ----------------------------------------------------------------------------
+
+bool wxAppConsoleBase::IsScheduledForDestruction(wxObject *object) const
{
- // process the events normally by default
- return -1;
+ return wxPendingDelete.Member(object);
+}
+
+void wxAppConsoleBase::ScheduleForDestruction(wxObject *object)
+{
+ if ( !UsesEventLoop() )
+ {
+ // we won't be able to delete it later so do it right now
+ delete object;
+ return;
+ }
+ //else: we either already have or will soon start an event loop
+
+ if ( !wxPendingDelete.Member(object) )
+ wxPendingDelete.Append(object);
+}
+
+void wxAppConsoleBase::DeletePendingObjects()
+{
+ wxList::compatibility_iterator node = wxPendingDelete.GetFirst();
+ while (node)
+ {
+ wxObject *obj = node->GetData();
+
+ // remove it from the list first so that if we get back here somehow
+ // during the object deletion (e.g. wxYield called from its dtor) we
+ // wouldn't try to delete it the second time
+ if ( wxPendingDelete.Member(obj) )
+ wxPendingDelete.Erase(node);
+
+ delete obj;
+
+ // Deleting one object may have deleted other pending
+ // objects, so start from beginning of list again.
+ node = wxPendingDelete.GetFirst();
+ }
}
// ----------------------------------------------------------------------------
#if wxUSE_EXCEPTIONS
void
-wxAppConsole::HandleEvent(wxEvtHandler *handler,
- wxEventFunction func,
- wxEvent& event) const
+wxAppConsoleBase::HandleEvent(wxEvtHandler *handler,
+ wxEventFunction func,
+ wxEvent& event) const
{
// by default, simply call the handler
(handler->*func)(event);
}
-bool
-wxAppConsole::OnExceptionInMainLoop()
+void wxAppConsoleBase::CallEventHandler(wxEvtHandler *handler,
+ wxEventFunctor& functor,
+ wxEvent& event) const
+{
+ // If the functor holds a method then, for backward compatibility, call
+ // HandleEvent():
+ wxEventFunction eventFunction = functor.GetEvtMethod();
+
+ if ( eventFunction )
+ HandleEvent(handler, eventFunction, event);
+ else
+ functor(handler, event);
+}
+
+void wxAppConsoleBase::OnUnhandledException()
+{
+#ifdef __WXDEBUG__
+ // we're called from an exception handler so we can re-throw the exception
+ // to recover its type
+ wxString what;
+ try
+ {
+ throw;
+ }
+#if wxUSE_STL
+ catch ( std::exception& e )
+ {
+ what.Printf("std::exception of type \"%s\", what() = \"%s\"",
+ typeid(e).name(), e.what());
+ }
+#endif // wxUSE_STL
+ catch ( ... )
+ {
+ what = "unknown exception";
+ }
+
+ wxMessageOutputBest().Printf(
+ "*** Caught unhandled %s; terminating\n", what
+ );
+#endif // __WXDEBUG__
+}
+
+// ----------------------------------------------------------------------------
+// exceptions support
+// ----------------------------------------------------------------------------
+
+bool wxAppConsoleBase::OnExceptionInMainLoop()
{
throw;
#if wxUSE_CMDLINE_PARSER
-#define OPTION_VERBOSE _T("verbose")
+#define OPTION_VERBOSE "verbose"
-void wxAppConsole::OnInitCmdLine(wxCmdLineParser& parser)
+void wxAppConsoleBase::OnInitCmdLine(wxCmdLineParser& parser)
{
// the standard command line options
static const wxCmdLineEntryDesc cmdLineDesc[] =
{
{
wxCMD_LINE_SWITCH,
- _T("h"),
- _T("help"),
+ "h",
+ "help",
gettext_noop("show this help message"),
wxCMD_LINE_VAL_NONE,
wxCMD_LINE_OPTION_HELP
#if wxUSE_LOG
{
wxCMD_LINE_SWITCH,
- _T(""),
+ NULL,
OPTION_VERBOSE,
gettext_noop("generate verbose log messages"),
wxCMD_LINE_VAL_NONE,
#endif // wxUSE_LOG
// terminator
- {
- wxCMD_LINE_NONE,
- _T(""),
- _T(""),
- _T(""),
- wxCMD_LINE_VAL_NONE,
- 0x0
- }
+ wxCMD_LINE_DESC_END
};
parser.SetDesc(cmdLineDesc);
}
-bool wxAppConsole::OnCmdLineParsed(wxCmdLineParser& parser)
+bool wxAppConsoleBase::OnCmdLineParsed(wxCmdLineParser& parser)
{
#if wxUSE_LOG
if ( parser.Found(OPTION_VERBOSE) )
return true;
}
-bool wxAppConsole::OnCmdLineHelp(wxCmdLineParser& parser)
+bool wxAppConsoleBase::OnCmdLineHelp(wxCmdLineParser& parser)
{
parser.Usage();
- return FALSE;
+ return false;
}
-bool wxAppConsole::OnCmdLineError(wxCmdLineParser& parser)
+bool wxAppConsoleBase::OnCmdLineError(wxCmdLineParser& parser)
{
parser.Usage();
- return FALSE;
+ return false;
}
#endif // wxUSE_CMDLINE_PARSER
// ----------------------------------------------------------------------------
/* static */
-bool wxAppConsole::CheckBuildOptions(const char *optionsSignature,
- const char *componentName)
+bool wxAppConsoleBase::CheckBuildOptions(const char *optionsSignature,
+ const char *componentName)
{
#if 0 // can't use wxLogTrace, not up and running yet
printf("checking build options object '%s' (ptr %p) in '%s'\n",
wxString progName = wxString::FromAscii(componentName);
wxString msg;
- msg.Printf(_T("Mismatch between the program and library build versions detected.\nThe library used %s,\nand %s used %s."),
+ msg.Printf(wxT("Mismatch between the program and library build versions detected.\nThe library used %s,\nand %s used %s."),
lib.c_str(), progName.c_str(), prog.c_str());
wxLogFatalError(msg.c_str());
// normally wxLogFatalError doesn't return
- return FALSE;
+ return false;
}
-#undef wxCMP
- return TRUE;
+ return true;
}
-#ifdef __WXDEBUG__
+void wxAppConsoleBase::OnAssertFailure(const wxChar *file,
+ int line,
+ const wxChar *func,
+ const wxChar *cond,
+ const wxChar *msg)
+{
+#if wxDEBUG_LEVEL
+ ShowAssertDialog(file, line, func, cond, msg, GetTraits());
+#else
+ // this function is still present even in debug level 0 build for ABI
+ // compatibility reasons but is never called there and so can simply do
+ // nothing in it
+ wxUnusedVar(file);
+ wxUnusedVar(line);
+ wxUnusedVar(func);
+ wxUnusedVar(cond);
+ wxUnusedVar(msg);
+#endif // wxDEBUG_LEVEL/!wxDEBUG_LEVEL
+}
-void wxAppConsole::OnAssert(const wxChar *file,
- int line,
- const wxChar *cond,
- const wxChar *msg)
+void wxAppConsoleBase::OnAssert(const wxChar *file,
+ int line,
+ const wxChar *cond,
+ const wxChar *msg)
{
- ShowAssertDialog(file, line, cond, msg, GetTraits());
+ OnAssertFailure(file, line, NULL, cond, msg);
}
-#endif // __WXDEBUG__
+// ----------------------------------------------------------------------------
+// Miscellaneous other methods
+// ----------------------------------------------------------------------------
+
+void wxAppConsoleBase::SetCLocale()
+{
+ // We want to use the user locale by default in GUI applications in order
+ // to show the numbers, dates &c in the familiar format -- and also accept
+ // this format on input (especially important for decimal comma/dot).
+ wxSetlocale(LC_ALL, "");
+}
// ============================================================================
// other classes implementations
return NULL;
}
-#ifdef __WXDEBUG__
bool wxConsoleAppTraitsBase::ShowAssertDialog(const wxString& msg)
{
return wxAppTraitsBase::ShowAssertDialog(msg);
}
-#endif
bool wxConsoleAppTraitsBase::HasStderr()
{
return true;
}
-void wxConsoleAppTraitsBase::ScheduleForDestroy(wxObject *object)
+// ----------------------------------------------------------------------------
+// wxAppTraits
+// ----------------------------------------------------------------------------
+
+#if wxUSE_THREADS
+void wxMutexGuiEnterImpl();
+void wxMutexGuiLeaveImpl();
+
+void wxAppTraitsBase::MutexGuiEnter()
{
- delete object;
+ wxMutexGuiEnterImpl();
}
-void wxConsoleAppTraitsBase::RemoveFromPendingDelete(wxObject * WXUNUSED(object))
+void wxAppTraitsBase::MutexGuiLeave()
{
- // nothing to do
+ wxMutexGuiLeaveImpl();
}
-#if wxUSE_SOCKETS
-GSocketGUIFunctionsTable* wxConsoleAppTraitsBase::GetSocketGUIFunctionsTable()
+void WXDLLIMPEXP_BASE wxMutexGuiEnter()
{
- return NULL;
+ wxAppTraits * const traits = wxAppConsoleBase::GetTraitsIfExists();
+ if ( traits )
+ traits->MutexGuiEnter();
}
-#endif
-// ----------------------------------------------------------------------------
-// wxAppTraits
-// ----------------------------------------------------------------------------
+void WXDLLIMPEXP_BASE wxMutexGuiLeave()
+{
+ wxAppTraits * const traits = wxAppConsoleBase::GetTraitsIfExists();
+ if ( traits )
+ traits->MutexGuiLeave();
+}
+#endif // wxUSE_THREADS
-#ifdef __WXDEBUG__
+bool wxAppTraitsBase::ShowAssertDialog(const wxString& msgOriginal)
+{
+#if wxDEBUG_LEVEL
+ wxString msg;
+
+#if wxUSE_STACKWALKER
+ const wxString stackTrace = GetAssertStackTrace();
+ if ( !stackTrace.empty() )
+ {
+ msg << wxT("\n\nCall stack:\n") << stackTrace;
+
+ wxMessageOutputDebug().Output(msg);
+ }
+#endif // wxUSE_STACKWALKER
-bool wxAppTraitsBase::ShowAssertDialog(const wxString& msg)
+ return DoShowAssertDialog(msgOriginal + msg);
+#else // !wxDEBUG_LEVEL
+ wxUnusedVar(msgOriginal);
+
+ return false;
+#endif // wxDEBUG_LEVEL/!wxDEBUG_LEVEL
+}
+
+#if wxUSE_STACKWALKER
+wxString wxAppTraitsBase::GetAssertStackTrace()
{
- return DoShowAssertDialog(msg);
+#if wxDEBUG_LEVEL
+
+#if !defined(__WINDOWS__)
+ // on Unix stack frame generation may take some time, depending on the
+ // size of the executable mainly... warn the user that we are working
+ wxFprintf(stderr, "Collecting stack trace information, please wait...");
+ fflush(stderr);
+#endif // !__WINDOWS__
+
+
+ wxString stackTrace;
+
+ class StackDump : public wxStackWalker
+ {
+ public:
+ StackDump() { }
+
+ const wxString& GetStackTrace() const { return m_stackTrace; }
+
+ protected:
+ virtual void OnStackFrame(const wxStackFrame& frame)
+ {
+ m_stackTrace << wxString::Format
+ (
+ wxT("[%02d] "),
+ wx_truncate_cast(int, frame.GetLevel())
+ );
+
+ wxString name = frame.GetName();
+ if ( !name.empty() )
+ {
+ m_stackTrace << wxString::Format(wxT("%-40s"), name.c_str());
+ }
+ else
+ {
+ m_stackTrace << wxString::Format(wxT("%p"), frame.GetAddress());
+ }
+
+ if ( frame.HasSourceLocation() )
+ {
+ m_stackTrace << wxT('\t')
+ << frame.GetFileName()
+ << wxT(':')
+ << frame.GetLine();
+ }
+
+ m_stackTrace << wxT('\n');
+ }
+
+ private:
+ wxString m_stackTrace;
+ };
+
+ // don't show more than maxLines or we could get a dialog too tall to be
+ // shown on screen: 20 should be ok everywhere as even with 15 pixel high
+ // characters it is still only 300 pixels...
+ static const int maxLines = 20;
+
+ StackDump dump;
+ dump.Walk(8, maxLines); // 8 is chosen to hide all OnAssert() calls
+ stackTrace = dump.GetStackTrace();
+
+ const int count = stackTrace.Freq(wxT('\n'));
+ for ( int i = 0; i < count - maxLines; i++ )
+ stackTrace = stackTrace.BeforeLast(wxT('\n'));
+
+ return stackTrace;
+#else // !wxDEBUG_LEVEL
+ // this function is still present for ABI-compatibility even in debug level
+ // 0 build but is not used there and so can simply do nothing
+ return wxString();
+#endif // wxDEBUG_LEVEL/!wxDEBUG_LEVEL
}
+#endif // wxUSE_STACKWALKER
-#endif // __WXDEBUG__
// ============================================================================
// global functions implementation
//else: do nothing, what can we do?
}
-#ifdef __WXDEBUG__
-
// wxASSERT() helper
bool wxAssertIsEqual(int x, int y)
{
return x == y;
}
+void wxAbort()
+{
+#ifdef __WXWINCE__
+ ExitThread(3);
+#else
+ abort();
+#endif
+}
+
+#if wxDEBUG_LEVEL
+
// break into the debugger
+#ifndef wxTrap
+
void wxTrap()
{
-#if defined(__WXMSW__) && !defined(__WXMICROWIN__)
+#if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
DebugBreak();
-#elif defined(__WXMAC__) && !defined(__DARWIN__)
- #if __powerc
- Debugger();
- #else
- SysBreak();
- #endif
+#elif defined(_MSL_USING_MW_C_HEADERS) && _MSL_USING_MW_C_HEADERS
+ Debugger();
#elif defined(__UNIX__)
raise(SIGTRAP);
#else
#endif // Win/Unix
}
-void wxAssert(int cond,
- const wxChar *szFile,
- int nLine,
- const wxChar *szCond,
- const wxChar *szMsg)
-{
- if ( !cond )
- wxOnAssert(szFile, nLine, szCond, szMsg);
-}
+#endif // wxTrap already defined as a macro
-// this function is called when an assert fails
-void wxOnAssert(const wxChar *szFile,
- int nLine,
- const wxChar *szCond,
- const wxChar *szMsg)
+// default assert handler
+static void
+wxDefaultAssertHandler(const wxString& file,
+ int line,
+ const wxString& func,
+ const wxString& cond,
+ const wxString& msg)
{
+ // If this option is set, we should abort immediately when assert happens.
+ if ( wxSystemOptions::GetOptionInt("exit-on-assert") )
+ wxAbort();
+
// FIXME MT-unsafe
- static bool s_bInAssert = FALSE;
+ static int s_bInAssert = 0;
- if ( s_bInAssert )
+ wxRecursionGuard guard(s_bInAssert);
+ if ( guard.IsInside() )
{
- // He-e-e-e-elp!! we're trapped in endless loop
+ // can't use assert here to avoid infinite loops, so just trap
wxTrap();
- s_bInAssert = FALSE;
-
return;
}
- s_bInAssert = TRUE;
-
if ( !wxTheApp )
{
// by default, show the assert dialog box -- we can't customize this
// behaviour
- ShowAssertDialog(szFile, nLine, szCond, szMsg);
+ ShowAssertDialog(file, line, func, cond, msg);
}
else
{
// let the app process it as it wants
- wxTheApp->OnAssert(szFile, nLine, szCond, szMsg);
+ // FIXME-UTF8: use wc_str(), not c_str(), when ANSI build is removed
+ wxTheApp->OnAssertFailure(file.c_str(), line, func.c_str(),
+ cond.c_str(), msg.c_str());
}
+}
- s_bInAssert = FALSE;
+wxAssertHandler_t wxTheAssertHandler = wxDefaultAssertHandler;
+
+void wxSetDefaultAssertHandler()
+{
+ wxTheAssertHandler = wxDefaultAssertHandler;
}
-#endif // __WXDEBUG__
+void wxOnAssert(const wxString& file,
+ int line,
+ const wxString& func,
+ const wxString& cond,
+ const wxString& msg)
+{
+ wxTheAssertHandler(file, line, func, cond, msg);
+}
+
+void wxOnAssert(const wxString& file,
+ int line,
+ const wxString& func,
+ const wxString& cond)
+{
+ wxTheAssertHandler(file, line, func, cond, wxString());
+}
+
+void wxOnAssert(const wxChar *file,
+ int line,
+ const char *func,
+ const wxChar *cond,
+ const wxChar *msg)
+{
+ // this is the backwards-compatible version (unless we don't use Unicode)
+ // so it could be called directly from the user code and this might happen
+ // even when wxTheAssertHandler is NULL
+#if wxUSE_UNICODE
+ if ( wxTheAssertHandler )
+#endif // wxUSE_UNICODE
+ wxTheAssertHandler(file, line, func, cond, msg);
+}
+
+void wxOnAssert(const char *file,
+ int line,
+ const char *func,
+ const char *cond,
+ const wxString& msg)
+{
+ wxTheAssertHandler(file, line, func, cond, msg);
+}
+
+void wxOnAssert(const char *file,
+ int line,
+ const char *func,
+ const char *cond,
+ const wxCStrData& msg)
+{
+ wxTheAssertHandler(file, line, func, cond, msg);
+}
+
+#if wxUSE_UNICODE
+void wxOnAssert(const char *file,
+ int line,
+ const char *func,
+ const char *cond)
+{
+ wxTheAssertHandler(file, line, func, cond, wxString());
+}
+
+void wxOnAssert(const char *file,
+ int line,
+ const char *func,
+ const char *cond,
+ const char *msg)
+{
+ wxTheAssertHandler(file, line, func, cond, msg);
+}
+
+void wxOnAssert(const char *file,
+ int line,
+ const char *func,
+ const char *cond,
+ const wxChar *msg)
+{
+ wxTheAssertHandler(file, line, func, cond, msg);
+}
+#endif // wxUSE_UNICODE
+
+#endif // wxDEBUG_LEVEL
// ============================================================================
// private functions implementation
#endif // wxUSE_LOG
}
+#endif // __WXDEBUG__
+
+#if wxDEBUG_LEVEL
+
+bool wxTrapInAssert = false;
+
+static
bool DoShowAssertDialog(const wxString& msg)
{
- // under MSW we can show the dialog even in the console mode
-#if defined(__WXMSW__) && !defined(__WXMICROWIN__)
+ // under Windows we can show the dialog even in the console mode
+#if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
wxString msgDlg(msg);
- // this message is intentionally not translated -- it is for
- // developpers only
+ // this message is intentionally not translated -- it is for developers
+ // only -- and the less code we use here, less is the danger of recursively
+ // asserting and dying
msgDlg += wxT("\nDo you want to stop the program?\n")
wxT("You can also choose [Cancel] to suppress ")
wxT("further warnings.");
- switch ( ::MessageBox(NULL, msgDlg, _T("wxWidgets Debug Alert"),
+ switch ( ::MessageBox(NULL, msgDlg.t_str(), wxT("wxWidgets Debug Alert"),
MB_YESNOCANCEL | MB_ICONSTOP ) )
{
case IDYES:
- wxTrap();
+ // If we called wxTrap() directly from here, the programmer would
+ // see this function and a few more calls between his own code and
+ // it in the stack trace which would be perfectly useless and often
+ // confusing. So instead just set the flag here and let the macros
+ // defined in wx/debug.h call wxTrap() themselves, this ensures
+ // that the debugger will show the line in the user code containing
+ // the failing assert.
+ wxTrapInAssert = true;
break;
case IDCANCEL:
//case IDNO: nothing to do
}
-#else // !__WXMSW__
- wxFprintf(stderr, wxT("%s\n"), msg.c_str());
- fflush(stderr);
-
- // TODO: ask the user to enter "Y" or "N" on the console?
- wxTrap();
-#endif // __WXMSW__/!__WXMSW__
+#else // !__WINDOWS__
+ wxUnusedVar(msg);
+#endif // __WINDOWS__/!__WINDOWS__
- // continue with the asserts
+ // continue with the asserts by default
return false;
}
-// show the assert modal dialog
+// show the standard assert dialog
static
-void ShowAssertDialog(const wxChar *szFile,
- int nLine,
- const wxChar *szCond,
- const wxChar *szMsg,
+void ShowAssertDialog(const wxString& file,
+ int line,
+ const wxString& func,
+ const wxString& cond,
+ const wxString& msgUser,
wxAppTraits *traits)
{
// this variable can be set to true to suppress "assert failure" messages
- static bool s_bNoAsserts = FALSE;
+ static bool s_bNoAsserts = false;
wxString msg;
msg.reserve(2048);
// make life easier for people using VC++ IDE by using this format: like
// this, clicking on the message will take us immediately to the place of
// the failed assert
- msg.Printf(wxT("%s(%d): assert \"%s\" failed"), szFile, nLine, szCond);
+ msg.Printf(wxT("%s(%d): assert \"%s\" failed"), file, line, cond);
- if ( szMsg )
+ // add the function name, if any
+ if ( !func.empty() )
+ msg << wxT(" in ") << func << wxT("()");
+
+ // and the message itself
+ if ( !msgUser.empty() )
{
- msg << _T(": ") << szMsg;
+ msg << wxT(": ") << msgUser;
}
else // no message given
{
- msg << _T('.');
+ msg << wxT('.');
}
#if wxUSE_THREADS
// since dialogs cannot be displayed
if ( !wxThread::IsMain() )
{
- msg += wxT(" [in child thread]");
-
-#if defined(__WXMSW__) && !defined(__WXMICROWIN__)
- msg << wxT("\r\n");
- OutputDebugString(msg );
-#else
- // send to stderr
- wxFprintf(stderr, wxT("%s\n"), msg.c_str());
- fflush(stderr);
-#endif
- // He-e-e-e-elp!! we're asserting in a child thread
- wxTrap();
+ msg += wxString::Format(" [in thread %lx]", wxThread::GetCurrentId());
}
#endif // wxUSE_THREADS
+ // log the assert in any case
+ wxMessageOutputDebug().Output(msg);
+
if ( !s_bNoAsserts )
{
- // send it to the normal log destination
- wxLogDebug(_T("%s"), msg.c_str());
-
if ( traits )
{
// delegate showing assert dialog (if possible) to that class
}
}
-#endif // __WXDEBUG__
-
+#endif // wxDEBUG_LEVEL
projects / wxWidgets.git / blobdiff