X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/73865dad6e17b7e0a969ae9f0b1e5f0ca9e146f9..77c8efc8c37da6d6a5e2e8022d21d1cd7d76371d:/src/common/appcmn.cpp diff --git a/src/common/appcmn.cpp b/src/common/appcmn.cpp index 4cc829b673..9a3ead6a33 100644 --- a/src/common/appcmn.cpp +++ b/src/common/appcmn.cpp @@ -1,6 +1,6 @@ ///////////////////////////////////////////////////////////////////////////// // Name: src/common/appcmn.cpp -// Purpose: wxAppConsole and wxAppBase methods common to all platforms +// Purpose: wxAppBase methods common to all platforms // Author: Vadim Zeitlin // Modified by: // Created: 18.10.99 @@ -25,26 +25,22 @@ #endif #ifndef WX_PRECOMP - #include "wx/list.h" #include "wx/app.h" + #include "wx/window.h" #include "wx/bitmap.h" - #include "wx/intl.h" #include "wx/log.h" #include "wx/msgdlg.h" #include "wx/confbase.h" #include "wx/utils.h" + #include "wx/wxcrtvararg.h" #endif #include "wx/apptrait.h" #include "wx/cmdline.h" -#include "wx/evtloop.h" #include "wx/msgout.h" #include "wx/thread.h" -#include "wx/ptr_scpd.h" - -#if defined(__WXMSW__) - #include "wx/msw/private.h" // includes windows.h for LOGFONT -#endif +#include "wx/vidmode.h" +#include "wx/evtloop.h" #if wxUSE_FONTMAP #include "wx/fontmap.h" @@ -54,15 +50,6 @@ #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 // ============================================================================ @@ -73,11 +60,12 @@ wxDEFINE_TIED_SCOPED_PTR_TYPE(wxEventLoop) wxAppBase::wxAppBase() { - m_topWindow = (wxWindow *)NULL; + m_topWindow = NULL; + m_useBestVisual = false; - m_isActive = true; + m_forceTrueColour = false; - m_mainLoop = NULL; + 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 @@ -99,14 +87,14 @@ bool wxAppBase::Initialize(int& argcOrig, wxChar **argvOrig) if ( !wxAppConsole::Initialize(argcOrig, argvOrig) ) return false; -#if wxUSE_THREADS - wxPendingEventsLocker = new wxCriticalSection; -#endif - wxInitializeStockLists(); wxBitmap::InitStandardHandlers(); + // for compatibility call the old initialization function too + if ( !OnInitGui() ) + return false; + return true; } @@ -140,21 +128,44 @@ void wxAppBase::CleanUp() wxDeleteStockLists(); - delete wxTheColourDatabase; - wxTheColourDatabase = NULL; + wxDELETE(wxTheColourDatabase); + + 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(); +} - delete wxPendingEvents; - wxPendingEvents = NULL; +wxLayoutDirection wxAppBase::GetLayoutDirection() const +{ +#if wxUSE_INTL + const wxLocale *const locale = wxGetLocale(); + if ( locale ) + { + const wxLanguageInfo *const + info = wxLocale::GetLanguageInfo(locale->GetLanguage()); -#if wxUSE_THREADS - 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 @@ -163,8 +174,8 @@ 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) { @@ -177,7 +188,7 @@ void wxAppBase::OnInitCmdLine(wxCmdLineParser& parser) #ifdef __WXUNIVERSAL__ { wxCMD_LINE_OPTION, - wxEmptyString, + NULL, OPTION_THEME, gettext_noop("specify the theme to use"), wxCMD_LINE_VAL_STRING, @@ -185,29 +196,22 @@ void wxAppBase::OnInitCmdLine(wxCmdLineParser& parser) }, #endif // __WXUNIVERSAL__ -#if defined(__WXMGL__) - // VS: this is not specific to wxMGL, all fullscreen (framebuffer) ports +#if defined(__WXDFB__) + // VS: this is not specific to wxDFB, all fullscreen (framebuffer) ports // should provide this option. That's why it is in common/appcmn.cpp - // and not mgl/app.cpp + // and not dfb/app.cpp { wxCMD_LINE_OPTION, - wxEmptyString, + NULL, OPTION_MODE, gettext_noop("specify display mode to use (e.g. 640x480-16)"), wxCMD_LINE_VAL_STRING, 0x0 }, -#endif // __WXMGL__ +#endif // __WXDFB__ // terminator - { - wxCMD_LINE_NONE, - wxEmptyString, - wxEmptyString, - wxEmptyString, - wxCMD_LINE_VAL_NONE, - 0x0 - } + wxCMD_LINE_DESC_END }; parser.SetDesc(cmdLineGUIDesc); @@ -232,12 +236,12 @@ bool wxAppBase::OnCmdLineParsed(wxCmdLineParser& parser) } #endif // __WXUNIVERSAL__ -#if defined(__WXMGL__) +#if defined(__WXDFB__) 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 ) + if ( wxSscanf(modeDesc.c_str(), wxT("%ux%u-%u"), &w, &h, &bpp) != 3 ) { wxLogError(_("Invalid display mode specification '%s'."), modeDesc.c_str()); return false; @@ -246,52 +250,13 @@ bool wxAppBase::OnCmdLineParsed(wxCmdLineParser& parser) if ( !SetDisplayMode(wxVideoMode(w, h, bpp)) ) return false; } -#endif // __WXMGL__ +#endif // __WXDFB__ 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 // ---------------------------------------------------------------------------- @@ -316,7 +281,7 @@ int wxAppBase::OnRun() } //else: it has been changed, assume the user knows what he is doing - return MainLoop(); + return wxAppConsole::OnRun(); } int wxAppBase::OnExit() @@ -328,11 +293,6 @@ int wxAppBase::OnExit() return wxAppConsole::OnExit(); } -void wxAppBase::Exit() -{ - ExitMainLoop(); -} - wxAppTraits *wxAppBase::CreateTraits() { return new wxGUIAppTraits; @@ -355,122 +315,53 @@ void wxAppBase::SetActive(bool active, wxWindow * WXUNUSED(lastFocus)) (void)ProcessEvent(event); } -// ---------------------------------------------------------------------------- -// idle handling -// ---------------------------------------------------------------------------- - -void wxAppBase::DeletePendingObjects() +bool wxAppBase::SafeYield(wxWindow *win, bool onlyIfNeeded) { - wxList::compatibility_iterator node = wxPendingDelete.GetFirst(); - while (node) - { - wxObject *obj = node->GetData(); + wxWindowDisabler wd(win); - // 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); + wxEventLoopBase * const loop = wxEventLoopBase::GetActive(); - delete obj; + return loop && loop->Yield(onlyIfNeeded); +} - // Deleting one object may have deleted other pending - // objects, so start from beginning of list again. - node = wxPendingDelete.GetFirst(); - } +bool wxAppBase::SafeYieldFor(wxWindow *win, long eventsToProcess) +{ + wxWindowDisabler wd(win); + + wxEventLoopBase * const loop = wxEventLoopBase::GetActive(); + + return loop && loop->YieldFor(eventsToProcess); } + +// ---------------------------------------------------------------------------- +// idle handling +// ---------------------------------------------------------------------------- + // Returns true if more time is needed. bool wxAppBase::ProcessIdle() { + // call the base class version first to send the idle event to wxTheApp + // itself + bool needMore = wxAppConsoleBase::ProcessIdle(); wxIdleEvent event; - bool needMore = false; wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst(); while (node) { wxWindow* win = node->GetData(); - if (SendIdleEvents(win, event)) + + // Don't send idle events to the windows that are about to be destroyed + // anyhow, this is wasteful and unexpected. + if ( !wxPendingDelete.Member(win) && win->SendIdleEvents(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 // ---------------------------------------------------------------------------- @@ -480,7 +371,11 @@ bool wxAppBase::OnExceptionInMainLoop() wxLog *wxGUIAppTraitsBase::CreateLogTarget() { #if wxUSE_LOGGUI +#ifndef __WXOSX_IPHONE__ return new wxLogGui; +#else + return new wxLogStderr; +#endif #else // we must have something! return new wxLogStderr; @@ -495,15 +390,18 @@ 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__ } @@ -523,43 +421,59 @@ wxRendererNative *wxGUIAppTraitsBase::CreateRenderer() return NULL; } -#ifdef __WXDEBUG__ - bool wxGUIAppTraitsBase::ShowAssertDialog(const wxString& msg) { +#if wxDEBUG_LEVEL // 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 ) ) + // + // 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 + + // we can't (safely) show the GUI dialog from another thread, only do it + // for the asserts in the main thread + if ( wxIsMainThread() ) { - case wxYES: - wxTrap(); - break; + wxString msgDlg = msg; + +#if wxUSE_STACKWALKER + const wxString stackTrace = GetAssertStackTrace(); + if ( !stackTrace.empty() ) + msgDlg << wxT("\n\nCall stack:\n") << stackTrace; +#endif // wxUSE_STACKWALKER + + // this message is intentionally not translated -- it is for + // developpers only + 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 wxCANCEL: + // no more asserts + return true; - //case wxNO: nothing to do + //case wxNO: nothing to do + } + + return false; } +#endif // wxUSE_MSGDLG +#endif // wxDEBUG_LEVEL - return false; -#endif // !wxUSE_MSGDLG/wxUSE_MSGDLG + return wxAppTraitsBase::ShowAssertDialog(msg); } -#endif // __WXDEBUG__ - bool wxGUIAppTraitsBase::HasStderr() { // we consider that under Unix stderr always goes somewhere, even if the @@ -571,45 +485,3 @@ bool wxGUIAppTraitsBase::HasStderr() #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(__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 - - #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