X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b2e972ec6ce99e30214f547291a2de4079e60615..beb2638a997914bd12c55e81589adebd90af9ed2:/src/common/appcmn.cpp diff --git a/src/common/appcmn.cpp b/src/common/appcmn.cpp index 598204ad13..d3768ba4a7 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 // --------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "appbase.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -30,20 +26,31 @@ #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/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/vidmode.h" +#include "wx/evtloop.h" + #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; // ============================================================================ // wxAppBase implementation @@ -55,9 +62,12 @@ 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 @@ -65,32 +75,28 @@ 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 - - wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING); - wxTheColourDatabase->Initialize(); - wxInitializeStockLists(); - wxInitializeStockObjects(); wxBitmap::InitStandardHandlers(); + // for compatibility call the old initialization function too + if ( !OnInitGui() ) + return false; + return true; } @@ -105,32 +111,155 @@ 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(); +} - delete wxPendingEventsLocker; - wxPendingEventsLocker = NULL; +// ---------------------------------------------------------------------------- +// various accessors +// ---------------------------------------------------------------------------- -#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 +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 "theme" +#define OPTION_MODE "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, + NULL, + 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, + NULL, + OPTION_MODE, + gettext_noop("specify display mode to use (e.g. 640x480-16)"), + wxCMD_LINE_VAL_STRING, + 0x0 + }, +#endif // __WXMGL__ + + // terminator + wxCMD_LINE_DESC_END + }; + + 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 + // ---------------------------------------------------------------------------- // OnXXX() hooks // ---------------------------------------------------------------------------- @@ -139,10 +268,10 @@ bool wxAppBase::OnInitGui() { #ifdef __WXUNIVERSAL__ if ( !wxTheme::Get() && !wxTheme::CreateDefault() ) - return FALSE; + return false; #endif // __WXUNIVERSAL__ - return TRUE; + return true; } int wxAppBase::OnRun() @@ -155,17 +284,21 @@ int wxAppBase::OnRun() } //else: it has been changed, assume the user knows what he is doing - return MainLoop(); + return wxAppConsole::OnRun(); } -void wxAppBase::Exit() +int wxAppBase::OnExit() { - ExitMainLoop(); +#ifdef __WXUNIVERSAL__ + delete wxTheme::Set(NULL); +#endif // __WXUNIVERSAL__ + + return wxAppConsole::OnExit(); } wxAppTraits *wxAppBase::CreateTraits() { - return wxAppTraits::CreateGUI(); + return new wxGUIAppTraits; } // ---------------------------------------------------------------------------- @@ -185,17 +318,43 @@ 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() { - wxNode *node = wxPendingDelete.GetFirst(); + wxList::compatibility_iterator node = wxPendingDelete.GetFirst(); while (node) { wxObject *obj = node->GetData(); - delete 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); - if (wxPendingDelete.Member(obj)) - delete node; + delete obj; // Deleting one object may have deleted other pending // objects, so start from beginning of list again. @@ -203,6 +362,66 @@ void wxAppBase::DeletePendingObjects() } } +// 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; + wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst(); + while (node) + { + wxWindow* win = node->GetData(); + if (SendIdleEvents(win, event)) + needMore = true; + node = node->GetNext(); + } + + // '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; + + win->OnInternalIdle(); + + // should we send idle event to this window? + if ( wxIdleEvent::GetMode() == wxIDLE_PROCESS_ALL || + win->HasExtraStyle(wxWS_EX_PROCESS_IDLE) ) + { + event.SetEventObject(win); + win->HandleWindowEvent(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; +} + // ---------------------------------------------------------------------------- // wxGUIAppTraitsBase // ---------------------------------------------------------------------------- @@ -211,7 +430,12 @@ void wxAppBase::DeletePendingObjects() wxLog *wxGUIAppTraitsBase::CreateLogTarget() { +#if wxUSE_LOGGUI return new wxLogGui; +#else + // we must have something! + return new wxLogStderr; +#endif } #endif // wxUSE_LOG @@ -222,15 +446,18 @@ 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__ } @@ -244,24 +471,46 @@ wxFontMapper *wxGUIAppTraitsBase::CreateFontMapper() #endif // wxUSE_FONTMAP -#ifdef __WXDEBUG__ +wxRendererNative *wxGUIAppTraitsBase::CreateRenderer() +{ + // use the default native renderer by default + return NULL; +} 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 +#if wxDEBUG_LEVEL + 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: @@ -274,13 +523,16 @@ bool wxGUIAppTraitsBase::ShowAssertDialog(const wxString& msg) //case wxNO: nothing to do } +#else // !wxDEBUG_LEVEL + // this function always exists (for ABI compatibility) but is never called + // if debug level is 0 and so can simply do nothing then + wxUnusedVar(msg); +#endif // wxDEBUG_LEVEL/!wxDEBUG_LEVEL return false; #endif // !wxUSE_MSGDLG/wxUSE_MSGDLG } -#endif // __WXDEBUG__ - bool wxGUIAppTraitsBase::HasStderr() { // we consider that under Unix stderr always goes somewhere, even if the @@ -303,12 +555,3 @@ void wxGUIAppTraitsBase::RemoveFromPendingDelete(wxObject *object) wxPendingDelete.DeleteObject(object); } -// ---------------------------------------------------------------------------- -// wxAppTraits -// ---------------------------------------------------------------------------- - -wxAppTraits *wxAppTraitsBase::CreateGUI() -{ - return new wxGUIAppTraits; -} -