/////////////////////////////////////////////////////////////////////////////
// Name: common/appcmn.cpp
-// Purpose: wxAppBase methods common to all platforms
+// Purpose: wxAppConsole and wxAppBase methods common to all platforms
// Author: Vadim Zeitlin
// Modified by:
// Created: 18.10.99
// headers
// ---------------------------------------------------------------------------
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "appbase.h"
#endif
#ifndef WX_PRECOMP
#include "wx/app.h"
+ #include "wx/bitmap.h"
+ #include "wx/intl.h"
#include "wx/list.h"
+ #include "wx/log.h"
+ #include "wx/msgdlg.h"
+ #include "wx/bitmap.h"
+ #include "wx/confbase.h"
#endif
+#include "wx/apptrait.h"
+#include "wx/cmdline.h"
+#include "wx/evtloop.h"
+#include "wx/msgout.h"
#include "wx/thread.h"
-#include "wx/confbase.h"
+#include "wx/utils.h"
+#include "wx/ptr_scpd.h"
-// ===========================================================================
-// implementation
-// ===========================================================================
+#if defined(__WXMSW__)
+ #include "wx/msw/private.h" // includes windows.h for LOGFONT
+#endif
-// ---------------------------------------------------------------------------
-// wxAppBase
+#if wxUSE_FONTMAP
+ #include "wx/fontmap.h"
+#endif // wxUSE_FONTMAP
+
+// DLL options compatibility check:
+#include "wx/build.h"
+WX_CHECK_BUILD_OPTIONS("wxCore")
+
+
+// ----------------------------------------------------------------------------
+// wxEventLoopPtr
+// ----------------------------------------------------------------------------
+
+// this defines wxEventLoopPtr
+wxDEFINE_TIED_SCOPED_PTR_TYPE(wxEventLoop);
+
+// ============================================================================
+// wxAppBase implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// initialization
+// ----------------------------------------------------------------------------
+
+wxAppBase::wxAppBase()
+{
+ m_topWindow = (wxWindow *)NULL;
+ m_useBestVisual = false;
+ m_isActive = true;
+
+#if wxUSE_EVTLOOP_IN_APP
+ m_mainLoop = NULL;
+#endif // wxUSE_EVTLOOP_IN_APP
+
+ // We don't want to exit the app if the user code shows a dialog from its
+ // OnInit() -- but this is what would happen if we set m_exitOnFrameDelete
+ // to Yes initially as this dialog would be the last top level window.
+ // OTOH, if we set it to No initially we'll have to overwrite it with Yes
+ // when we enter our OnRun() because we do want the default behaviour from
+ // then on. But this would be a problem if the user code calls
+ // SetExitOnFrameDelete(false) from OnInit().
+ //
+ // So we use the special "Later" value which is such that
+ // GetExitOnFrameDelete() returns false for it but which we know we can
+ // safely (i.e. without losing the effect of the users SetExitOnFrameDelete
+ // call) overwrite in OnRun()
+ m_exitOnFrameDelete = Later;
+}
+
+bool wxAppBase::Initialize(int& argc, wxChar **argv)
+{
+ if ( !wxAppConsole::Initialize(argc, argv) )
+ return false;
+
+#if wxUSE_THREADS
+ wxPendingEventsLocker = new wxCriticalSection;
+#endif
+
+ wxInitializeStockLists();
+ wxInitializeStockObjects();
+
+ wxBitmap::InitStandardHandlers();
+
+ return true;
+}
+
+// ----------------------------------------------------------------------------
+// cleanup
+// ----------------------------------------------------------------------------
+
+wxAppBase::~wxAppBase()
+{
+ // this destructor is required for Darwin
+}
+
+void wxAppBase::CleanUp()
+{
+ // clean up all the pending objects
+ DeletePendingObjects();
+
+ // and any remaining TLWs (they remove themselves from wxTopLevelWindows
+ // when destroyed, so iterate until none are left)
+ while ( !wxTopLevelWindows.empty() )
+ {
+ // do not use Destroy() here as it only puts the TLW in pending list
+ // but we want to delete them now
+ delete wxTopLevelWindows.GetFirst()->GetData();
+ }
+
+ // undo everything we did in Initialize() above
+ wxBitmap::CleanUpHandlers();
+
+ wxDeleteStockObjects();
+
+ wxDeleteStockLists();
+
+ delete wxTheColourDatabase;
+ wxTheColourDatabase = NULL;
+
+ delete wxPendingEvents;
+ wxPendingEvents = NULL;
+
+#if wxUSE_THREADS
+ delete wxPendingEventsLocker;
+ wxPendingEventsLocker = NULL;
+
+ #if wxUSE_VALIDATORS
+ // If we don't do the following, we get an apparent memory leak.
+ ((wxEvtHandler&) wxDefaultValidator).ClearEventLocker();
+ #endif // wxUSE_VALIDATORS
+#endif // wxUSE_THREADS
+}
+
+#if wxUSE_CMDLINE_PARSER
+
+// ----------------------------------------------------------------------------
+// GUI-specific command line options handling
// ----------------------------------------------------------------------------
-void wxAppBase::ProcessPendingEvents()
+#define OPTION_THEME _T("theme")
+#define OPTION_MODE _T("mode")
+
+void wxAppBase::OnInitCmdLine(wxCmdLineParser& parser)
{
- // ensure that we're the only thread to modify the pending events list
- wxENTER_CRIT_SECT( *wxPendingEventsLocker );
+ // first add the standard non GUI options
+ wxAppConsole::OnInitCmdLine(parser);
- if ( !wxPendingEvents )
+ // the standard command line options
+ static const wxCmdLineEntryDesc cmdLineGUIDesc[] =
{
- wxLEAVE_CRIT_SECT( *wxPendingEventsLocker );
+#ifdef __WXUNIVERSAL__
+ {
+ wxCMD_LINE_OPTION,
+ wxEmptyString,
+ OPTION_THEME,
+ gettext_noop("specify the theme to use"),
+ wxCMD_LINE_VAL_STRING,
+ 0x0
+ },
+#endif // __WXUNIVERSAL__
+
+#if defined(__WXMGL__)
+ // VS: this is not specific to wxMGL, all fullscreen (framebuffer) ports
+ // should provide this option. That's why it is in common/appcmn.cpp
+ // and not mgl/app.cpp
+ {
+ wxCMD_LINE_OPTION,
+ wxEmptyString,
+ OPTION_MODE,
+ gettext_noop("specify display mode to use (e.g. 640x480-16)"),
+ wxCMD_LINE_VAL_STRING,
+ 0x0
+ },
+#endif // __WXMGL__
+
+ // terminator
+ {
+ wxCMD_LINE_NONE,
+ wxEmptyString,
+ wxEmptyString,
+ wxEmptyString,
+ wxCMD_LINE_VAL_NONE,
+ 0x0
+ }
+ };
+
+ parser.SetDesc(cmdLineGUIDesc);
+}
+
+bool wxAppBase::OnCmdLineParsed(wxCmdLineParser& parser)
+{
+#ifdef __WXUNIVERSAL__
+ wxString themeName;
+ if ( parser.Found(OPTION_THEME, &themeName) )
+ {
+ wxTheme *theme = wxTheme::Create(themeName);
+ if ( !theme )
+ {
+ wxLogError(_("Unsupported theme '%s'."), themeName.c_str());
+ return false;
+ }
+
+ // Delete the defaultly created theme and set the new theme.
+ delete wxTheme::Get();
+ wxTheme::Set(theme);
+ }
+#endif // __WXUNIVERSAL__
+
+#if defined(__WXMGL__)
+ wxString modeDesc;
+ if ( parser.Found(OPTION_MODE, &modeDesc) )
+ {
+ unsigned w, h, bpp;
+ if ( wxSscanf(modeDesc.c_str(), _T("%ux%u-%u"), &w, &h, &bpp) != 3 )
+ {
+ wxLogError(_("Invalid display mode specification '%s'."), modeDesc.c_str());
+ return false;
+ }
+
+ if ( !SetDisplayMode(wxVideoMode(w, h, bpp)) )
+ return false;
+ }
+#endif // __WXMGL__
+
+ return wxAppConsole::OnCmdLineParsed(parser);
+}
+
+#endif // wxUSE_CMDLINE_PARSER
+
+// ----------------------------------------------------------------------------
+// main event loop implementation
+// ----------------------------------------------------------------------------
+
+int wxAppBase::MainLoop()
+{
+#if wxUSE_EVTLOOP_IN_APP
+ wxEventLoopTiedPtr mainLoop(&m_mainLoop, new wxEventLoop);
+
+ return m_mainLoop->Run();
+#else // !wxUSE_EVTLOOP_IN_APP
+ return 0;
+#endif // wxUSE_EVTLOOP_IN_APP/!wxUSE_EVTLOOP_IN_APP
+}
+
+void wxAppBase::ExitMainLoop()
+{
+#if wxUSE_EVTLOOP_IN_APP
+ // 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);
+ }
+#endif // wxUSE_EVTLOOP_IN_APP
+}
+
+bool wxAppBase::Pending()
+{
+#if wxUSE_EVTLOOP_IN_APP
+ // 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
+ wxEventLoop * const loop = wxEventLoop::GetActive();
+
+ return loop && loop->Pending();
+#else // wxUSE_EVTLOOP_IN_APP
+ return false;
+#endif // wxUSE_EVTLOOP_IN_APP/!wxUSE_EVTLOOP_IN_APP
+}
+
+bool wxAppBase::Dispatch()
+{
+#if wxUSE_EVTLOOP_IN_APP
+ // see comment in Pending()
+ wxEventLoop * const loop = wxEventLoop::GetActive();
+
+ return loop && loop->Dispatch();
+#else // wxUSE_EVTLOOP_IN_APP
+ return true;
+#endif // wxUSE_EVTLOOP_IN_APP/!wxUSE_EVTLOOP_IN_APP
+}
+
+// ----------------------------------------------------------------------------
+// OnXXX() hooks
+// ----------------------------------------------------------------------------
+
+bool wxAppBase::OnInitGui()
+{
+#ifdef __WXUNIVERSAL__
+ if ( !wxTheme::Get() && !wxTheme::CreateDefault() )
+ return false;
+#endif // __WXUNIVERSAL__
+
+ return true;
+}
+
+int wxAppBase::OnRun()
+{
+ // see the comment in ctor: if the initial value hasn't been changed, use
+ // the default Yes from now on
+ if ( m_exitOnFrameDelete == Later )
+ {
+ m_exitOnFrameDelete = Yes;
+ }
+ //else: it has been changed, assume the user knows what he is doing
+
+ return MainLoop();
+}
+
+int wxAppBase::OnExit()
+{
+#ifdef __WXUNIVERSAL__
+ delete wxTheme::Set(NULL);
+#endif // __WXUNIVERSAL__
+
+ return wxAppConsole::OnExit();
+}
+
+void wxAppBase::Exit()
+{
+ ExitMainLoop();
+}
+
+wxAppTraits *wxAppBase::CreateTraits()
+{
+ return new wxGUIAppTraits;
+}
+
+// ----------------------------------------------------------------------------
+// misc
+// ----------------------------------------------------------------------------
+
+void wxAppBase::SetActive(bool active, wxWindow * WXUNUSED(lastFocus))
+{
+ if ( active == m_isActive )
return;
+
+ m_isActive = active;
+
+ wxActivateEvent event(wxEVT_ACTIVATE_APP, active);
+ event.SetEventObject(this);
+
+ (void)ProcessEvent(event);
+}
+
+void wxAppBase::DeletePendingObjects()
+{
+ wxList::compatibility_iterator node = wxPendingDelete.GetFirst();
+ while (node)
+ {
+ wxObject *obj = node->GetData();
+
+ delete obj;
+
+ if (wxPendingDelete.Member(obj))
+ wxPendingDelete.Erase(node);
+
+ // Deleting one object may have deleted other pending
+ // objects, so start from beginning of list again.
+ node = wxPendingDelete.GetFirst();
}
+}
- // iterate until the list becomes empty
- wxNode *node = wxPendingEvents->First();
+// Returns true if more time is needed.
+bool wxAppBase::ProcessIdle()
+{
+ wxIdleEvent event;
+ bool needMore = false;
+ wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
while (node)
{
- wxEvtHandler *handler = (wxEvtHandler *)node->Data();
- delete node;
+ wxWindow* win = node->GetData();
+ if (SendIdleEvents(win, event))
+ needMore = true;
+ node = node->GetNext();
+ }
+
+ event.SetEventObject(this);
+ (void) ProcessEvent(event);
+ if (event.MoreRequested())
+ needMore = true;
+
+ wxUpdateUIEvent::ResetUpdateTime();
+
+ return needMore;
+}
+
+// Send idle event to window and all subwindows
+bool wxAppBase::SendIdleEvents(wxWindow* win, wxIdleEvent& event)
+{
+ bool needMore = false;
+
+ win->OnInternalIdle();
+
+ if (wxIdleEvent::CanSend(win))
+ {
+ event.SetEventObject(win);
+ win->GetEventHandler()->ProcessEvent(event);
- // 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 );
+ if (event.MoreRequested())
+ needMore = true;
+ }
+ wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
+ while ( node )
+ {
+ wxWindow *child = node->GetData();
+ if (SendIdleEvents(child, event))
+ needMore = true;
- node = wxPendingEvents->First();
+ node = node->GetNext();
}
- wxLEAVE_CRIT_SECT( *wxPendingEventsLocker );
+ return needMore;
}
-int wxAppBase::OnExit()
+void wxAppBase::OnIdle(wxIdleEvent& WXUNUSED(event))
{
-#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);
-#endif // wxUSE_CONFIG
+ // 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. Changed Feb/2000 before 2.1.14
+ ProcessPendingEvents();
- return 0;
+ // 'Garbage' collection of windows deleted with Close().
+ DeletePendingObjects();
+
+#if wxUSE_LOG
+ // flush the logged messages if any
+ wxLog::FlushActive();
+#endif // wxUSE_LOG
+
+}
+
+// ----------------------------------------------------------------------------
+// wxGUIAppTraitsBase
+// ----------------------------------------------------------------------------
+
+#if wxUSE_LOG
+
+wxLog *wxGUIAppTraitsBase::CreateLogTarget()
+{
+#if wxUSE_LOGGUI
+ return new wxLogGui;
+#else
+ // wem ust have something!
+ return new wxLogStderr;
+#endif
}
+
+#endif // wxUSE_LOG
+
+wxMessageOutput *wxGUIAppTraitsBase::CreateMessageOutput()
+{
+ // The standard way of printing help on command line arguments (app --help)
+ // is (according to common practice):
+ // - console apps: to stderr (on any platform)
+ // - GUI apps: stderr on Unix platforms (!)
+ // message box under Windows and others
+#ifdef __UNIX__
+ return new wxMessageOutputStderr;
+#else // !__UNIX__
+ // wxMessageOutputMessageBox doesn't work under Motif
+ #ifdef __WXMOTIF__
+ return new wxMessageOutputLog;
+ #else
+ return new wxMessageOutputMessageBox;
+ #endif
+#endif // __UNIX__/!__UNIX__
+}
+
+#if wxUSE_FONTMAP
+
+wxFontMapper *wxGUIAppTraitsBase::CreateFontMapper()
+{
+ return new wxFontMapper;
+}
+
+#endif // wxUSE_FONTMAP
+
+wxRendererNative *wxGUIAppTraitsBase::CreateRenderer()
+{
+ // use the default native renderer by default
+ return NULL;
+}
+
+#ifdef __WXDEBUG__
+
+bool wxGUIAppTraitsBase::ShowAssertDialog(const wxString& msg)
+{
+ // under MSW we prefer to use the base class version using ::MessageBox()
+ // even if wxMessageBox() is available because it has less chances to
+ // double fault our app than our wxMessageBox()
+#if defined(__WXMSW__) || !wxUSE_MSGDLG
+ return wxAppTraitsBase::ShowAssertDialog(msg);
+#else // wxUSE_MSGDLG
+ // this message is intentionally not translated -- it is for
+ // developpers only
+ wxString msgDlg(msg);
+ msgDlg += wxT("\nDo you want to stop the program?\n")
+ wxT("You can also choose [Cancel] to suppress ")
+ wxT("further warnings.");
+
+ switch ( wxMessageBox(msgDlg, wxT("wxWidgets Debug Alert"),
+ wxYES_NO | wxCANCEL | wxICON_STOP ) )
+ {
+ case wxYES:
+ wxTrap();
+ break;
+
+ case wxCANCEL:
+ // no more asserts
+ return true;
+
+ //case wxNO: nothing to do
+ }
+
+ return false;
+#endif // !wxUSE_MSGDLG/wxUSE_MSGDLG
+}
+
+#endif // __WXDEBUG__
+
+bool wxGUIAppTraitsBase::HasStderr()
+{
+ // we consider that under Unix stderr always goes somewhere, even if the
+ // user doesn't always see it under GUI desktops
+#ifdef __UNIX__
+ return true;
+#else
+ return false;
+#endif
+}
+
+void wxGUIAppTraitsBase::ScheduleForDestroy(wxObject *object)
+{
+ if ( !wxPendingDelete.Member(object) )
+ wxPendingDelete.Append(object);
+}
+
+void wxGUIAppTraitsBase::RemoveFromPendingDelete(wxObject *object)
+{
+ wxPendingDelete.DeleteObject(object);
+}
+
+#if wxUSE_SOCKETS
+
+#if defined(__UNIX__) || defined(__DARWIN__) || defined(__OS2__)
+ #include "wx/unix/gsockunx.h"
+#elif defined(__WINDOWS__)
+ #include "wx/msw/gsockmsw.h"
+#elif defined(__WXMAC__)
+ #include <MacHeaders.c>
+ #define OTUNIXERRORS 1
+ #include <OpenTransport.h>
+ #include <OpenTransportProviders.h>
+ #include <OpenTptInternet.h>
+
+ #include "wx/mac/gsockmac.h"
+#else
+ #error "Must include correct GSocket header here"
+#endif
+
+GSocketGUIFunctionsTable* wxGUIAppTraitsBase::GetSocketGUIFunctionsTable()
+{
+#if defined(__WXMAC__) && !defined(__DARWIN__)
+ // NB: wxMac CFM does not have any GUI-specific functions in gsocket.c and
+ // so it doesn't need this table at all
+ return NULL;
+#else // !__WXMAC__ || __DARWIN__
+ static GSocketGUIFunctionsTableConcrete table;
+ return &table;
+#endif // !__WXMAC__ || __DARWIN__
+}
+
+#endif
+
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