X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/46446cc2aa025f445815545b31552a509b5e3f7e..c6a6bbbf637a5a580b7ab182483d27522f5e3189:/src/common/appcmn.cpp diff --git a/src/common/appcmn.cpp b/src/common/appcmn.cpp index b179284223..e6a72a3d27 100644 --- a/src/common/appcmn.cpp +++ b/src/common/appcmn.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: common/appcmn.cpp +// Name: src/common/appcmn.cpp // Purpose: wxAppConsole and wxAppBase methods common to all platforms // Author: Vadim Zeitlin // Modified by: @@ -17,10 +17,6 @@ // headers // --------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "appbase.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -30,33 +26,67 @@ #ifndef WX_PRECOMP #include "wx/app.h" - #include "wx/intl.h" - #include "wx/list.h" + #include "wx/window.h" + #include "wx/bitmap.h" #include "wx/log.h" #include "wx/msgdlg.h" + #include "wx/confbase.h" + #include "wx/utils.h" #endif #include "wx/apptrait.h" +#include "wx/cmdline.h" +#include "wx/evtloop.h" +#include "wx/msgout.h" +#include "wx/thread.h" +#include "wx/vidmode.h" +#include "wx/ptr_scpd.h" + +#ifdef __WXDEBUG__ + #if wxUSE_STACKWALKER + #include "wx/stackwalk.h" + #endif // wxUSE_STACKWALKER +#endif // __WXDEBUG__ + +#if defined(__WXMSW__) + #include "wx/msw/private.h" // includes windows.h for LOGFONT +#endif + #if wxUSE_FONTMAP #include "wx/fontmap.h" #endif // wxUSE_FONTMAP -#include "wx/msgout.h" -#include "wx/thread.h" -#include "wx/utils.h" + +// DLL options compatibility check: +#include "wx/build.h" +WX_CHECK_BUILD_OPTIONS("wxCore") + +WXDLLIMPEXP_DATA_CORE(wxList) wxPendingDelete; + +// ---------------------------------------------------------------------------- +// wxEventLoopPtr +// ---------------------------------------------------------------------------- + +// this defines wxEventLoopPtr +wxDEFINE_TIED_SCOPED_PTR_TYPE(wxEventLoop) // ============================================================================ // wxAppBase implementation // ============================================================================ // ---------------------------------------------------------------------------- -// initialization and termination +// initialization // ---------------------------------------------------------------------------- wxAppBase::wxAppBase() { m_topWindow = (wxWindow *)NULL; - m_useBestVisual = FALSE; - m_isActive = TRUE; + + m_useBestVisual = false; + m_forceTrueColour = false; + + m_isActive = true; + + m_mainLoop = NULL; // 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 @@ -64,28 +94,260 @@ wxAppBase::wxAppBase() // 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(). + // 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 + // 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& argcOrig, wxChar **argvOrig) +{ + if ( !wxAppConsole::Initialize(argcOrig, argvOrig) ) + return false; + +#if wxUSE_THREADS + wxPendingEventsLocker = new wxCriticalSection; +#endif + + wxInitializeStockLists(); + + 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(); + + wxStockGDI::DeleteAll(); + + 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 +} + +// ---------------------------------------------------------------------------- +// various accessors +// ---------------------------------------------------------------------------- + +wxWindow* wxAppBase::GetTopWindow() const +{ + wxWindow* window = m_topWindow; + if (window == NULL && wxTopLevelWindows.GetCount() > 0) + window = wxTopLevelWindows.GetFirst()->GetData(); + return window; +} + +wxVideoMode wxAppBase::GetDisplayMode() const +{ + return wxVideoMode(); +} + +wxLayoutDirection wxAppBase::GetLayoutDirection() const +{ +#if wxUSE_INTL + const wxLocale *const locale = wxGetLocale(); + if ( locale ) + { + const wxLanguageInfo *const + info = wxLocale::GetLanguageInfo(locale->GetLanguage()); + + if ( info ) + return info->LayoutDirection; + } +#endif // wxUSE_INTL + + // we don't know + return wxLayout_Default; +} + +#if wxUSE_CMDLINE_PARSER + +// ---------------------------------------------------------------------------- +// GUI-specific command line options handling +// ---------------------------------------------------------------------------- + +#define OPTION_THEME _T("theme") +#define OPTION_MODE _T("mode") + +void wxAppBase::OnInitCmdLine(wxCmdLineParser& parser) +{ + // first add the standard non GUI options + wxAppConsole::OnInitCmdLine(parser); + + // the standard command line options + static const wxCmdLineEntryDesc cmdLineGUIDesc[] = + { +#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() +{ + wxEventLoopTiedPtr mainLoop(&m_mainLoop, new wxEventLoop); + + return m_mainLoop->Run(); +} + +void wxAppBase::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 wxAppBase::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 + wxEventLoop * const loop = wxEventLoop::GetActive(); + + return loop && loop->Pending(); +} + +bool wxAppBase::Dispatch() +{ + // see comment in Pending() + wxEventLoop * const loop = wxEventLoop::GetActive(); + + return loop && loop->Dispatch(); +} + +// ---------------------------------------------------------------------------- +// OnXXX() hooks +// ---------------------------------------------------------------------------- + bool wxAppBase::OnInitGui() { #ifdef __WXUNIVERSAL__ if ( !wxTheme::Get() && !wxTheme::CreateDefault() ) - return FALSE; + return false; #endif // __WXUNIVERSAL__ - return TRUE; + return true; } int wxAppBase::OnRun() @@ -101,6 +363,15 @@ int wxAppBase::OnRun() return MainLoop(); } +int wxAppBase::OnExit() +{ +#ifdef __WXUNIVERSAL__ + delete wxTheme::Set(NULL); +#endif // __WXUNIVERSAL__ + + return wxAppConsole::OnExit(); +} + void wxAppBase::Exit() { ExitMainLoop(); @@ -108,7 +379,7 @@ void wxAppBase::Exit() wxAppTraits *wxAppBase::CreateTraits() { - return wxAppTraits::CreateGUI(); + return new wxGUIAppTraits; } // ---------------------------------------------------------------------------- @@ -128,6 +399,122 @@ void wxAppBase::SetActive(bool active, wxWindow * WXUNUSED(lastFocus)) (void)ProcessEvent(event); } +// ---------------------------------------------------------------------------- +// idle handling +// ---------------------------------------------------------------------------- + +void wxAppBase::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(); + } +} + +// Returns true if more time is needed. +bool wxAppBase::ProcessIdle() +{ + wxIdleEvent event; + bool needMore = false; + wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst(); + while (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); + + 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 = node->GetNext(); + } + + return needMore; +} + +void wxAppBase::OnIdle(wxIdleEvent& WXUNUSED(event)) +{ + // 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(); + + // 'Garbage' collection of windows deleted with Close(). + DeletePendingObjects(); + +#if wxUSE_LOG + // flush the logged messages if any + wxLog::FlushActive(); +#endif // wxUSE_LOG + +} + +// ---------------------------------------------------------------------------- +// exceptions support +// ---------------------------------------------------------------------------- + +#if wxUSE_EXCEPTIONS + +bool wxAppBase::OnExceptionInMainLoop() +{ + throw; + + // some compilers are too stupid to know that we never return after throw +#if defined(__DMC__) || (defined(_MSC_VER) && _MSC_VER < 1200) + return false; +#endif +} + +#endif // wxUSE_EXCEPTIONS + // ---------------------------------------------------------------------------- // wxGUIAppTraitsBase // ---------------------------------------------------------------------------- @@ -136,7 +523,12 @@ void wxAppBase::SetActive(bool active, wxWindow * WXUNUSED(lastFocus)) wxLog *wxGUIAppTraitsBase::CreateLogTarget() { +#if wxUSE_LOGGUI return new wxLogGui; +#else + // we must have something! + return new wxLogStderr; +#endif } #endif // wxUSE_LOG @@ -169,24 +561,42 @@ wxFontMapper *wxGUIAppTraitsBase::CreateFontMapper() #endif // wxUSE_FONTMAP +wxRendererNative *wxGUIAppTraitsBase::CreateRenderer() +{ + // use the default native renderer by default + return NULL; +} + #ifdef __WXDEBUG__ bool wxGUIAppTraitsBase::ShowAssertDialog(const wxString& msg) { +#if defined(__WXMSW__) || !wxUSE_MSGDLG // 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 + wxString msgDlg = msg; + +#if wxUSE_STACKWALKER + // 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, wxT("[Debug] Generating a stack trace... please wait")); + fflush(stderr); + + const wxString stackTrace = GetAssertStackTrace(); + if ( !stackTrace.empty() ) + msgDlg << _T("\n\nCall stack:\n") << stackTrace; +#endif // wxUSE_STACKWALKER + // 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("wxWindows Debug Alert"), + switch ( wxMessageBox(msgDlg, wxT("wxWidgets Debug Alert"), wxYES_NO | wxCANCEL | wxICON_STOP ) ) { case wxYES: @@ -228,12 +638,34 @@ void wxGUIAppTraitsBase::RemoveFromPendingDelete(wxObject *object) wxPendingDelete.DeleteObject(object); } -// ---------------------------------------------------------------------------- -// wxAppTraits -// ---------------------------------------------------------------------------- +#if wxUSE_SOCKETS + +#if defined(__WINDOWS__) + #include "wx/msw/gsockmsw.h" +#elif defined(__UNIX__) || defined(__DARWIN__) || defined(__OS2__) + #include "wx/unix/gsockunx.h" +#elif defined(__WXMAC__) + #include + #define OTUNIXERRORS 1 + #include + #include + #include -wxAppTraits *wxAppTraitsBase::CreateGUI() + #include "wx/mac/gsockmac.h" +#else + #error "Must include correct GSocket header here" +#endif + +GSocketGUIFunctionsTable* wxGUIAppTraitsBase::GetSocketGUIFunctionsTable() { - return new wxGUIAppTraits; +#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