X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/343e418c210f1bf12fd79d6f33a213651b59a757..7212d15556e87f73ff5ea8c3211a0e8e8811426b:/src/mgl/app.cpp diff --git a/src/mgl/app.cpp b/src/mgl/app.cpp index c6fab2dc9b..53c61fad16 100644 --- a/src/mgl/app.cpp +++ b/src/mgl/app.cpp @@ -1,16 +1,12 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: app.cpp +// Name: src/mgl/app.cpp // Author: Vaclav Slavik // based on GTK and MSW implementations // Id: $Id$ -// Copyright: (c) 2001 SciTech Software, Inc. (www.scitechsoft.com) +// Copyright: (c) 2001-2002 SciTech Software, Inc. (www.scitechsoft.com) // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ - #pragma implementation "app.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -18,19 +14,18 @@ #pragma hdrstop #endif +#include "wx/app.h" #ifndef WX_PRECOMP #include "wx/settings.h" - #include "wx/module.h" - #include "wx/evtloop.h" #include "wx/frame.h" #include "wx/dialog.h" #include "wx/log.h" #include "wx/intl.h" - #include "wx/resource.h" + #include "wx/module.h" #endif -#include "wx/app.h" +#include "wx/evtloop.h" #include "wx/fontutil.h" #include "wx/univ/theme.h" #include "wx/univ/renderer.h" @@ -39,18 +34,10 @@ #include "wx/mgl/private.h" //----------------------------------------------------------------------------- -// Global data -//----------------------------------------------------------------------------- - -wxApp *wxTheApp = NULL; -wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL; - - -//----------------------------------------------------------------------------- -// wxExit +// wxApp::Exit() //----------------------------------------------------------------------------- -void wxExit() +void wxApp::Exit() { MGL_exit(); exit(0); @@ -60,7 +47,7 @@ void wxExit() // wxYield //----------------------------------------------------------------------------- -static bool gs_inYield = FALSE; +static bool gs_inYield = false; bool wxApp::Yield(bool onlyIfNeeded) { @@ -71,18 +58,18 @@ bool wxApp::Yield(bool onlyIfNeeded) wxFAIL_MSG( wxT("wxYield called recursively" ) ); } - return FALSE; + return false; } #if wxUSE_THREADS if ( !wxThread::IsMain() ) { // can't process events from other threads, MGL is thread-unsafe - return TRUE; + return true; } #endif // wxUSE_THREADS - gs_inYield = TRUE; + gs_inYield = true; wxLog::Suspend(); @@ -91,7 +78,7 @@ bool wxApp::Yield(bool onlyIfNeeded) while (wxEventLoop::GetActive()->Pending()) wxEventLoop::GetActive()->Dispatch(); } - + /* it's necessary to call ProcessIdle() to update the frames sizes which might have been changed (it also will update other things set from OnUpdateUI() which is a nice (and desired) side effect) */ @@ -99,9 +86,9 @@ bool wxApp::Yield(bool onlyIfNeeded) wxLog::Resume(); - gs_inYield = FALSE; + gs_inYield = false; - return TRUE; + return true; } @@ -109,14 +96,15 @@ bool wxApp::Yield(bool onlyIfNeeded) // wxWakeUpIdle //----------------------------------------------------------------------------- -void wxWakeUpIdle() +void wxApp::WakeUpIdle() { #if wxUSE_THREADS if (!wxThread::IsMain()) wxMutexGuiEnter(); #endif - while (wxTheApp->ProcessIdle()) {} + while (wxTheApp->ProcessIdle()) + ; #if wxUSE_THREADS if (!wxThread::IsMain()) @@ -131,60 +119,64 @@ void wxWakeUpIdle() class wxRootWindow : public wxWindow { public: - wxRootWindow() : wxWindow(NULL, -1) + wxRootWindow() : wxWindow(NULL, wxID_ANY) { SetMGLwindow_t(MGL_wmGetRootWindow(g_winMng)); SetBackgroundColour(wxTHEME_COLOUR(DESKTOP)); } - ~wxRootWindow() + virtual ~wxRootWindow() { // we don't want to delete MGL_WM's rootWnd - m_wnd = NULL; + m_wnd = NULL; } - virtual bool AcceptsFocus() { return FALSE; } + virtual bool AcceptsFocus() const { return false; } + + DECLARE_DYNAMIC_CLASS(wxRootWindow) }; +IMPLEMENT_DYNAMIC_CLASS(wxRootWindow, wxWindow) + static wxRootWindow *gs_rootWindow = NULL; //----------------------------------------------------------------------------- // MGL initialization //----------------------------------------------------------------------------- -static bool wxCreateMGL_WM(const wxDisplayModeInfo& displayMode) +static bool wxCreateMGL_WM(const wxVideoMode& displayMode) { int mode; int refresh = MGL_DEFAULT_REFRESH; - + #if wxUSE_SYSTEM_OPTIONS if ( wxSystemOptions::HasOption(wxT("mgl.screen-refresh")) ) refresh = wxSystemOptions::GetOptionInt(wxT("mgl.screen-refresh")); #endif - - mode = MGL_findMode(displayMode.GetWidth(), - displayMode.GetHeight(), + + mode = MGL_findMode(displayMode.GetWidth(), + displayMode.GetHeight(), displayMode.GetDepth()); if ( mode == -1 ) { - wxLogError(_("Mode %ix%i-%i not available."), + wxLogError(_("Mode %ix%i-%i not available."), displayMode.GetWidth(), displayMode.GetHeight(), displayMode.GetDepth()); - return FALSE; + return false; } g_displayDC = new MGLDisplayDC(mode, 1, refresh); if ( !g_displayDC->isValid() ) { delete g_displayDC; g_displayDC = NULL; - return FALSE; + return false; } - + g_winMng = MGL_wmCreate(g_displayDC->getDC()); if (!g_winMng) - return FALSE; + return false; - return TRUE; + return true; } static void wxDestroyMGL_WM() @@ -208,11 +200,11 @@ static void wxDestroyMGL_WM() IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler) BEGIN_EVENT_TABLE(wxApp, wxEvtHandler) - EVT_IDLE(wxApp::OnIdle) + EVT_IDLE(wxAppBase::OnIdle) END_EVENT_TABLE() -wxApp::wxApp() : m_mainLoop(NULL) +wxApp::wxApp() { } @@ -220,427 +212,120 @@ wxApp::~wxApp() { } -wxDisplayModeInfo wxGetDefaultDisplayMode() +wxVideoMode wxGetDefaultDisplayMode() { wxString mode; unsigned w, h, bpp; - if ( !wxGetEnv(wxT("WXMODE"), &mode) || + if ( !wxGetEnv(wxT("WXMODE"), &mode) || (wxSscanf(mode.c_str(), _T("%ux%u-%u"), &w, &h, &bpp) != 3) ) { w = 640, h = 480, bpp = 16; } - return wxDisplayModeInfo(w, h, bpp); + return wxVideoMode(w, h, bpp); } -bool wxApp::SetDisplayMode(const wxDisplayModeInfo& mode) +bool wxApp::SetDisplayMode(const wxVideoMode& mode) { if ( !mode.IsOk() ) { - return FALSE; + return false; } if ( g_displayDC != NULL ) { // FIXME_MGL -- we currently don't allow to switch video mode // more than once. This can hopefully be changed... wxFAIL_MSG(wxT("Can't change display mode after intialization!")); - return FALSE; + return false; } if ( !wxCreateMGL_WM(mode) ) - return FALSE; + return false; gs_rootWindow = new wxRootWindow; m_displayMode = mode; - return TRUE; + return true; } bool wxApp::OnInitGui() { if ( !wxAppBase::OnInitGui() ) - return FALSE; + return false; #ifdef __WXDEBUG__ // MGL redirects stdout and stderr to physical console, so lets redirect - // it to file. Do it only when WXDEBUG environment variable is set + // it to file in debug build. Do it only when WXSTDERR environment variable is set wxString redirect; if ( wxGetEnv(wxT("WXSTDERR"), &redirect) ) freopen(redirect.mb_str(), "wt", stderr); -#endif +#endif // __WXDEBUG__ wxLog *oldLog = wxLog::SetActiveTarget(new wxLogGui); if ( oldLog ) delete oldLog; - return TRUE; -} - -bool wxApp::ProcessIdle() -{ - wxIdleEvent event; - event.SetEventObject(this); - ProcessEvent(event); - - return event.MoreRequested(); -} - -void wxApp::OnIdle(wxIdleEvent &event) -{ - static bool s_inOnIdle = FALSE; - - /* Avoid recursion (via ProcessEvent default case) */ - if (s_inOnIdle) - return; - - s_inOnIdle = TRUE; - - /* Resend in the main thread events which have been prepared in other - threads */ - ProcessPendingEvents(); - - // 'Garbage' collection of windows deleted with Close(). - DeletePendingObjects(); - -#if wxUSE_LOG - // flush the logged messages if any - wxLog::FlushActive(); -#endif // wxUSE_LOG - - // Send OnIdle events to all windows - if ( SendIdleEvents() ) - event.RequestMore(TRUE); - - s_inOnIdle = FALSE; -} - -bool wxApp::SendIdleEvents() -{ - bool needMore = FALSE; - - wxWindowList::Node* node = wxTopLevelWindows.GetFirst(); - while (node) - { - wxWindow* win = node->GetData(); - if ( SendIdleEvents(win) ) - needMore = TRUE; - node = node->GetNext(); - } - - return needMore; + return true; } -bool wxApp::SendIdleEvents(wxWindow* win) +bool wxApp::Initialize(int& argc, wxChar **argv) { - bool needMore = FALSE; - - wxIdleEvent event; - event.SetEventObject(win); - - win->GetEventHandler()->ProcessEvent(event); - - if ( event.MoreRequested() ) - needMore = TRUE; +#ifdef __DJGPP__ + // VS: disable long filenames under DJGPP as the very first thing, + // since SciTech MGL doesn't like them much... + wxSetEnv(wxT("LFN"), wxT("N")); +#endif - wxNode* node = win->GetChildren().First(); - while (node) + // intialize MGL before creating wxFontsManager since it uses MGL funcs + if ( MGL_init(".", NULL) == 0 ) { - wxWindow* win = (wxWindow*) node->Data(); - if ( SendIdleEvents(win) ) - needMore = TRUE; - - node = node->Next(); + wxLogError(_("Cannot initialize SciTech MGL!")); + return false; } - return needMore; -} -int wxApp::MainLoop() -{ - int rt; - m_mainLoop = new wxEventLoop; - - rt = m_mainLoop->Run(); - - delete m_mainLoop; - m_mainLoop = NULL; - return rt; -} - -void wxApp::ExitMainLoop() -{ - if ( m_mainLoop ) - m_mainLoop->Exit(0); -} - -bool wxApp::Initialized() -{ - return (wxTopLevelWindows.GetCount() != 0); -} - -bool wxApp::Pending() -{ - return wxEventLoop::GetActive()->Pending(); -} - -void wxApp::Dispatch() -{ - wxEventLoop::GetActive()->Dispatch(); -} + // must do it before calling wxAppBase::Initialize(), because fonts are + // needed by stock lists which are created there + wxTheFontsManager = new wxFontsManager; -void wxApp::DeletePendingObjects() -{ - wxNode *node = wxPendingDelete.First(); - while (node) + if ( !wxAppBase::Initialize(argc, argv) ) { - wxObject *obj = (wxObject *)node->Data(); - - delete obj; - - if ( wxPendingDelete.Find(obj) ) - delete node; - - node = wxPendingDelete.First(); + delete wxTheFontsManager; + wxTheFontsManager = NULL; + MGL_exit(); + return false; } -} - -bool wxApp::Initialize() -{ - if ( MGL_init(".", NULL) == 0 ) - return FALSE; - - wxBuffer = new wxChar[BUFSIZ + 512]; - - wxClassInfo::InitializeClasses(); #if wxUSE_INTL wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding()); #endif - // GL: I'm annoyed ... I don't know where to put this and I don't want to - // create a module for that as it's part of the core. -#if wxUSE_THREADS - wxPendingEvents = new wxList; - wxPendingEventsLocker = new wxCriticalSection; -#endif - - wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING); - wxTheColourDatabase->Initialize(); - - // Can't do this in wxModule, because fonts are needed by stock lists - wxTheFontsManager = new wxFontsManager; - - wxInitializeStockLists(); - wxInitializeStockObjects(); - -#if wxUSE_WX_RESOURCES - wxInitializeResourceSystem(); -#endif - - wxModule::RegisterModules(); - if (!wxModule::InitializeModules()) return FALSE; - - return TRUE; -} - -wxIcon wxApp::GetStdIcon(int which) const -{ - return wxTheme::Get()->GetRenderer()->GetStdIcon(which); + return true; } -void wxApp::CleanUp() +// Modules are cleaned up after wxApp::CleanUp(), and some modules may +// require MGL to still be alive, e.g. the stock fonts need the fonts +// manager. So append this module last minute in wxApp::CleanUp() to close +// down MGL after all the other modules have been cleaned up. +// +struct wxMGLFinalCleanup: public wxModule { -#if wxUSE_LOG - // continuing to use user defined log target is unsafe from now on because - // some resources may be already unavailable, so replace it by something - // more safe - wxLog *oldlog = wxLog::SetActiveTarget(new wxLogStderr); - if ( oldlog ) - delete oldlog; -#endif // wxUSE_LOG - - delete gs_rootWindow; - - wxModule::CleanUpModules(); - -#if wxUSE_WX_RESOURCES - wxCleanUpResourceSystem(); -#endif - - if (wxTheColourDatabase) - delete wxTheColourDatabase; - - wxTheColourDatabase = (wxColourDatabase*) NULL; - - wxDeleteStockObjects(); - wxDeleteStockLists(); - - delete wxTheApp; - wxTheApp = (wxApp*) NULL; + bool OnInit() { return true; } - - // GL: I'm annoyed ... I don't know where to put this and I don't want to - // create a module for that as it's part of the core. -#if wxUSE_THREADS - delete wxPendingEvents; - delete wxPendingEventsLocker; -#endif - - wxClassInfo::CleanUpClasses(); - - // Can't do this in wxModule, because fonts are needed by stock lists - // (do it after deleting wxTheApp and cleaning modules up, since somebody - // may be deleting fonts that lately) - delete wxTheFontsManager; - wxTheFontsManager = (wxFontsManager*) NULL; - - delete[] wxBuffer; - - // check for memory leaks -#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT - if (wxDebugContext::CountObjectsLeft(TRUE) > 0) + void OnExit() { - wxLogDebug(wxT("There were memory leaks.\n")); - wxDebugContext::Dump(); - wxDebugContext::PrintStatistics(); - } -#endif // Debug - -#if wxUSE_LOG - // do this as the very last thing because everything else can log messages - wxLog::DontCreateOnDemand(); - - wxLog *oldLog = wxLog::SetActiveTarget( (wxLog*) NULL ); - if (oldLog) - delete oldLog; -#endif // wxUSE_LOG + delete wxTheFontsManager; + wxTheFontsManager = (wxFontsManager*) NULL; - wxDestroyMGL_WM(); - MGL_exit(); -} - - -int wxEntryStart(int argc, char *argv[]) -{ - return wxApp::Initialize() ? 0 : -1; -} - - -int wxEntryInitGui() -{ - return wxTheApp->OnInitGui() ? 0 : -1; -} - - -void wxEntryCleanup() -{ - wxApp::CleanUp(); -} - - - -int wxEntry(int argc, char *argv[]) -{ -#ifdef __DJGPP__ - // VS: disable long filenames under DJGPP as the very first thing, - // since SciTech MGL doesn't like them much... - wxSetEnv(wxT("LFN"), wxT("N")); -#endif - -#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT - // This seems to be necessary since there are 'rogue' - // objects present at this point (perhaps global objects?) - // Setting a checkpoint will ignore them as far as the - // memory checking facility is concerned. - // Of course you may argue that memory allocated in globals should be - // checked, but this is a reasonable compromise. - wxDebugContext::SetCheckpoint(); -#endif - int err = wxEntryStart(argc, argv); - if ( err ) - return err; - - if ( !wxTheApp ) - { - wxCHECK_MSG( wxApp::GetInitializerFunction(), -1, - wxT("wxWindows error: No initializer - use IMPLEMENT_APP macro.\n") ); - - wxAppInitializerFunction app_ini = wxApp::GetInitializerFunction(); - - wxObject *test_app = app_ini(); - - wxTheApp = (wxApp*) test_app; + wxDestroyMGL_WM(); + MGL_exit(); } +}; - wxCHECK_MSG( wxTheApp, -1, wxT("wxWindows error: no application object") ); - - wxTheApp->argc = argc; -#if wxUSE_UNICODE - wxTheApp->argv = new wxChar*[argc+1]; - int mb_argc = 0; - while (mb_argc < argc) - { - wxTheApp->argv[mb_argc] = wxStrdup(wxConvLibc.cMB2WX(argv[mb_argc])); - mb_argc++; - } - wxTheApp->argv[mb_argc] = (wxChar *)NULL; -#else - wxTheApp->argv = argv; -#endif - - wxString name(wxFileNameFromPath(argv[0])); - wxStripExtension(name); - wxTheApp->SetAppName(name); - - int retValue; - retValue = wxEntryInitGui(); - - // Here frames insert themselves automatically into wxTopLevelWindows by - // getting created in OnInit(). - if ( retValue == 0 ) - { - if ( !wxTheApp->OnInit() ) - retValue = -1; - } - - if ( retValue == 0 ) - { - /* delete pending toplevel windows (typically a single - dialog) so that, if there isn't any left, we don't - call OnRun() */ - wxTheApp->DeletePendingObjects(); - - if ( wxTheApp->Initialized() ) - { - wxTheApp->OnRun(); - - wxWindow *topWindow = wxTheApp->GetTopWindow(); - if ( topWindow ) - { - /* Forcibly delete the window. */ - if (topWindow->IsKindOf(CLASSINFO(wxFrame)) || - topWindow->IsKindOf(CLASSINFO(wxDialog)) ) - { - topWindow->Close(TRUE); - wxTheApp->DeletePendingObjects(); - } - else - { - delete topWindow; - wxTheApp->SetTopWindow((wxWindow*) NULL); - } - } - -#if wxUSE_LOG - // flush the logged messages if any - wxLog *log = wxLog::GetActiveTarget(); - if (log != NULL && log->HasPendingMessages()) - log->Flush(); -#endif // wxUSE_LOG - retValue = wxTheApp->OnExit(); - } - } +void wxApp::CleanUp() +{ + delete gs_rootWindow; - wxEntryCleanup(); + wxAppBase::CleanUp(); - return retValue; + wxModule::RegisterModule(new wxMGLFinalCleanup); }