X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/14a39351b319e9d4acde63e92117ab4492d4e4e5..4e916e61ea24c165fb55e78172f1093bf7481b48:/src/common/appcmn.cpp diff --git a/src/common/appcmn.cpp b/src/common/appcmn.cpp index 37da88bccf..82fdabf78e 100644 --- a/src/common/appcmn.cpp +++ b/src/common/appcmn.cpp @@ -1,6 +1,6 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: common/appcmn.cpp -// Purpose: wxAppConsole and wxAppBase methods common to all platforms +// Name: src/common/appcmn.cpp +// Purpose: wxAppBase methods common to all platforms // Author: Vadim Zeitlin // Modified by: // Created: 18.10.99 @@ -17,10 +17,6 @@ // headers // --------------------------------------------------------------------------- -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) - #pragma implementation "appbase.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -30,23 +26,30 @@ #ifndef WX_PRECOMP #include "wx/app.h" + #include "wx/window.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" + #include "wx/utils.h" + #include "wx/wxcrtvararg.h" #endif #include "wx/apptrait.h" #include "wx/cmdline.h" #include "wx/msgout.h" #include "wx/thread.h" -#include "wx/utils.h" +#include "wx/vidmode.h" +#include "wx/evtloop.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 + #include "wx/msw/private.h" // includes windows.h for LOGFONT #endif #if wxUSE_FONTMAP @@ -57,6 +60,8 @@ #include "wx/build.h" WX_CHECK_BUILD_OPTIONS("wxCore") +WXDLLIMPEXP_DATA_CORE(wxList) wxPendingDelete; + // ============================================================================ // wxAppBase implementation // ============================================================================ @@ -67,9 +72,12 @@ WX_CHECK_BUILD_OPTIONS("wxCore") wxAppBase::wxAppBase() { - m_topWindow = (wxWindow *)NULL; - m_useBestVisual = FALSE; - m_isActive = TRUE; + m_topWindow = NULL; + + m_useBestVisual = false; + m_forceTrueColour = false; + + m_isActive = true; // 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 @@ -77,29 +85,28 @@ 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& argc, wxChar **argv) +bool wxAppBase::Initialize(int& argcOrig, wxChar **argvOrig) { - if ( !wxAppConsole::Initialize(argc, argv) ) + if ( !wxAppConsole::Initialize(argcOrig, argvOrig) ) return false; -#if wxUSE_THREADS - wxPendingEventsLocker = new wxCriticalSection; -#endif - wxInitializeStockLists(); - wxInitializeStockObjects(); wxBitmap::InitStandardHandlers(); + // for compatibility call the old initialization function too + if ( !OnInitGui() ) + return false; + return true; } @@ -114,30 +121,64 @@ wxAppBase::~wxAppBase() void wxAppBase::CleanUp() { - // one last chance for pending objects to be cleaned up + // 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(); + wxStockGDI::DeleteAll(); wxDeleteStockLists(); delete wxTheColourDatabase; wxTheColourDatabase = NULL; -#if wxUSE_THREADS - delete wxPendingEvents; - wxPendingEvents = NULL; + wxAppConsole::CleanUp(); +} + +// ---------------------------------------------------------------------------- +// 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()); - delete wxPendingEventsLocker; - wxPendingEventsLocker = NULL; + if ( info ) + return info->LayoutDirection; + } +#endif // wxUSE_INTL - #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 + // we don't know + return wxLayout_Default; } #if wxUSE_CMDLINE_PARSER @@ -146,8 +187,8 @@ void wxAppBase::CleanUp() // GUI-specific command line options handling // ---------------------------------------------------------------------------- -#define OPTION_THEME _T("theme") -#define OPTION_MODE _T("mode") +#define OPTION_THEME "theme" +#define OPTION_MODE "mode" void wxAppBase::OnInitCmdLine(wxCmdLineParser& parser) { @@ -160,7 +201,7 @@ void wxAppBase::OnInitCmdLine(wxCmdLineParser& parser) #ifdef __WXUNIVERSAL__ { wxCMD_LINE_OPTION, - _T(""), + NULL, OPTION_THEME, gettext_noop("specify the theme to use"), wxCMD_LINE_VAL_STRING, @@ -174,7 +215,7 @@ void wxAppBase::OnInitCmdLine(wxCmdLineParser& parser) // and not mgl/app.cpp { wxCMD_LINE_OPTION, - _T(""), + NULL, OPTION_MODE, gettext_noop("specify display mode to use (e.g. 640x480-16)"), wxCMD_LINE_VAL_STRING, @@ -183,14 +224,7 @@ void wxAppBase::OnInitCmdLine(wxCmdLineParser& parser) #endif // __WXMGL__ // terminator - { - wxCMD_LINE_NONE, - _T(""), - _T(""), - _T(""), - wxCMD_LINE_VAL_NONE, - 0x0 - } + wxCMD_LINE_DESC_END }; parser.SetDesc(cmdLineGUIDesc); @@ -206,7 +240,7 @@ bool wxAppBase::OnCmdLineParsed(wxCmdLineParser& parser) if ( !theme ) { wxLogError(_("Unsupported theme '%s'."), themeName.c_str()); - return FALSE; + return false; } // Delete the defaultly created theme and set the new theme. @@ -223,11 +257,11 @@ bool wxAppBase::OnCmdLineParsed(wxCmdLineParser& parser) if ( wxSscanf(modeDesc.c_str(), _T("%ux%u-%u"), &w, &h, &bpp) != 3 ) { wxLogError(_("Invalid display mode specification '%s'."), modeDesc.c_str()); - return FALSE; + return false; } - if ( !SetDisplayMode(wxDisplayModeInfo(w, h, bpp)) ) - return FALSE; + if ( !SetDisplayMode(wxVideoMode(w, h, bpp)) ) + return false; } #endif // __WXMGL__ @@ -244,10 +278,10 @@ bool wxAppBase::OnInitGui() { #ifdef __WXUNIVERSAL__ if ( !wxTheme::Get() && !wxTheme::CreateDefault() ) - return FALSE; + return false; #endif // __WXUNIVERSAL__ - return TRUE; + return true; } int wxAppBase::OnRun() @@ -260,7 +294,7 @@ int wxAppBase::OnRun() } //else: it has been changed, assume the user knows what he is doing - return MainLoop(); + return wxAppConsole::OnRun(); } int wxAppBase::OnExit() @@ -272,11 +306,6 @@ int wxAppBase::OnExit() return wxAppConsole::OnExit(); } -void wxAppBase::Exit() -{ - ExitMainLoop(); -} - wxAppTraits *wxAppBase::CreateTraits() { return new wxGUIAppTraits; @@ -299,6 +328,29 @@ void wxAppBase::SetActive(bool active, wxWindow * WXUNUSED(lastFocus)) (void)ProcessEvent(event); } +bool wxAppBase::SafeYield(wxWindow *win, bool onlyIfNeeded) +{ + wxWindowDisabler wd(win); + + wxEventLoopBase * const loop = wxEventLoopBase::GetActive(); + + return loop && loop->Yield(onlyIfNeeded); +} + +bool wxAppBase::SafeYieldFor(wxWindow *win, long eventsToProcess) +{ + wxWindowDisabler wd(win); + + wxEventLoopBase * const loop = wxEventLoopBase::GetActive(); + + return loop && loop->YieldFor(eventsToProcess); +} + + +// ---------------------------------------------------------------------------- +// idle handling +// ---------------------------------------------------------------------------- + void wxAppBase::DeletePendingObjects() { wxList::compatibility_iterator node = wxPendingDelete.GetFirst(); @@ -306,63 +358,73 @@ void wxAppBase::DeletePendingObjects() { wxObject *obj = node->GetData(); - delete obj; - - if (wxPendingDelete.Member(obj)) + // 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. +// Returns true if more time is needed. bool wxAppBase::ProcessIdle() { + // call the base class version first, it will process the pending events + // (which should be done before the idle events generation) and send the + // idle event to wxTheApp itself + bool needMore = wxAppConsoleBase::ProcessIdle(); wxIdleEvent event; - bool needMore = FALSE; wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst(); - node = wxTopLevelWindows.GetFirst(); while (node) { wxWindow* win = node->GetData(); if (SendIdleEvents(win, event)) - needMore = TRUE; + needMore = true; node = node->GetNext(); } - event.SetEventObject(this); - (void) ProcessEvent(event); - if (event.MoreRequested()) - needMore = TRUE; + // 'Garbage' collection of windows deleted with Close(). + DeletePendingObjects(); + +#if wxUSE_LOG + // flush the logged messages if any + wxLog::FlushActive(); +#endif wxUpdateUIEvent::ResetUpdateTime(); - + return needMore; } // Send idle event to window and all subwindows bool wxAppBase::SendIdleEvents(wxWindow* win, wxIdleEvent& event) { - bool needMore = FALSE; + bool needMore = false; win->OnInternalIdle(); - if (wxIdleEvent::CanSend(win)) + // should we send idle event to this window? + if ( wxIdleEvent::GetMode() == wxIDLE_PROCESS_ALL || + win->HasExtraStyle(wxWS_EX_PROCESS_IDLE) ) { event.SetEventObject(win); - win->GetEventHandler()->ProcessEvent(event); + win->HandleWindowEvent(event); if (event.MoreRequested()) - needMore = TRUE; + needMore = true; } wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst(); while ( node ) { wxWindow *child = node->GetData(); if (SendIdleEvents(child, event)) - needMore = TRUE; + needMore = true; node = node->GetNext(); } @@ -370,27 +432,6 @@ bool wxAppBase::SendIdleEvents(wxWindow* win, wxIdleEvent& event) 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 - -} - // ---------------------------------------------------------------------------- // wxGUIAppTraitsBase // ---------------------------------------------------------------------------- @@ -399,7 +440,12 @@ void wxAppBase::OnIdle(wxIdleEvent& WXUNUSED(event)) wxLog *wxGUIAppTraitsBase::CreateLogTarget() { +#if wxUSE_LOGGUI return new wxLogGui; +#else + // we must have something! + return new wxLogStderr; +#endif } #endif // wxUSE_LOG @@ -410,15 +456,18 @@ wxMessageOutput *wxGUIAppTraitsBase::CreateMessageOutput() // is (according to common practice): // - console apps: to stderr (on any platform) // - GUI apps: stderr on Unix platforms (!) - // message box under Windows and others + // stderr if available and message box otherwise on others + // (currently stderr only Windows if app running from console) #ifdef __UNIX__ return new wxMessageOutputStderr; #else // !__UNIX__ // wxMessageOutputMessageBox doesn't work under Motif #ifdef __WXMOTIF__ return new wxMessageOutputLog; + #elif wxUSE_MSGDLG + return new wxMessageOutputBest(wxMSGOUT_PREFER_STDERR); #else - return new wxMessageOutputMessageBox; + return new wxMessageOutputStderr; #endif #endif // __UNIX__/!__UNIX__ } @@ -445,17 +494,34 @@ 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 + // + // under DFB the message dialog is not always functional right now + // + // and finally we can't use wxMessageBox() if it wasn't compiled in, of + // course +#if defined(__WXMSW__) || defined(__WXDFB__) || !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: @@ -497,39 +563,3 @@ 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" -#else - #error "Must include correct GSocket header here" -#endif - -GSocketGUIFunctionsTable* wxGUIAppTraitsBase::GetSocketGUIFunctionsTable() -{ -#ifdef __MAC__ - // NB: wxMac does not have any GUI-specific functions in gsocket.c and - // so it doesn't need this table at all - return NULL; -#else - static GSocketGUIFunctionsTable table = - { - _GSocket_GUI_Init, - _GSocket_GUI_Cleanup, - _GSocket_GUI_Init_Socket, - _GSocket_GUI_Destroy_Socket, -#ifndef __WINDOWS__ - _GSocket_Install_Callback, - _GSocket_Uninstall_Callback, -#endif - _GSocket_Enable_Events, - _GSocket_Disable_Events - }; - return &table; -#endif -} - -#endif -