X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/32b8ec418aee4e38877d4cb79e2984c766dcc358..578dc95029e761a59911b7c1bc09f59384d64ddf:/src/mgl/app.cpp diff --git a/src/mgl/app.cpp b/src/mgl/app.cpp index 09614aad67..82261a7938 100644 --- a/src/mgl/app.cpp +++ b/src/mgl/app.cpp @@ -1,9 +1,9 @@ ///////////////////////////////////////////////////////////////////////////// // Name: app.cpp -// Purpose: // Author: Vaclav Slavik +// based on GTK and MSW implementations // Id: $Id$ -// Copyright: (c) 2001 Vaclav Slavik +// Copyright: (c) 2001-2002 SciTech Software, Inc. (www.scitechsoft.com) // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -11,33 +11,48 @@ #pragma implementation "app.h" #endif -#include "wx/app.h" -#include "wx/settings.h" -#include "wx/module.h" +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" + +#ifdef __BORLANDC__ + #pragma hdrstop +#endif + + +#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" +#endif -#include +#include "wx/app.h" +#include "wx/fontutil.h" +#include "wx/univ/theme.h" +#include "wx/univ/renderer.h" +#include "wx/univ/colschem.h" +#include "wx/sysopt.h" +#include "wx/mgl/private.h" //----------------------------------------------------------------------------- // Global data //----------------------------------------------------------------------------- -// MGL's display DC: -MGLDevCtx *g_displayDC = NULL; - -// ---- - -wxApp *wxTheApp = (wxApp *) NULL; +wxApp *wxTheApp = NULL; wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL; -// FIXME_MGL - whole file - -extern bool g_isIdle; - -bool g_mainThreadLocked = FALSE; +//----------------------------------------------------------------------------- +// wxExit +//----------------------------------------------------------------------------- void wxExit() { + MGL_exit(); exit(0); } @@ -45,17 +60,149 @@ void wxExit() // wxYield //----------------------------------------------------------------------------- -bool wxYield() +static bool gs_inYield = FALSE; + +bool wxApp::Yield(bool onlyIfNeeded) { + if ( gs_inYield ) + { + if ( !onlyIfNeeded ) + { + wxFAIL_MSG( wxT("wxYield called recursively" ) ); + } + + return FALSE; + } + +#if wxUSE_THREADS + if ( !wxThread::IsMain() ) + { + // can't process events from other threads, MGL is thread-unsafe + return TRUE; + } +#endif // wxUSE_THREADS + + gs_inYield = TRUE; + + wxLog::Suspend(); + + if ( wxEventLoop::GetActive() ) + { + 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) */ + while (wxTheApp->ProcessIdle()) { } + + wxLog::Resume(); + + gs_inYield = FALSE; + return TRUE; } + //----------------------------------------------------------------------------- // wxWakeUpIdle //----------------------------------------------------------------------------- void wxWakeUpIdle() { +#if wxUSE_THREADS + if (!wxThread::IsMain()) + wxMutexGuiEnter(); +#endif + + while (wxTheApp->ProcessIdle()) {} + +#if wxUSE_THREADS + if (!wxThread::IsMain()) + wxMutexGuiLeave(); +#endif +} + +//----------------------------------------------------------------------------- +// Root window +//----------------------------------------------------------------------------- + +class wxRootWindow : public wxWindow +{ + public: + wxRootWindow() : wxWindow(NULL, -1) + { + SetMGLwindow_t(MGL_wmGetRootWindow(g_winMng)); + SetBackgroundColour(wxTHEME_COLOUR(DESKTOP)); + } + ~wxRootWindow() + { + // we don't want to delete MGL_WM's rootWnd + m_wnd = NULL; + } + + 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) +{ + 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(), + displayMode.GetDepth()); + if ( mode == -1 ) + { + wxLogError(_("Mode %ix%i-%i not available."), + displayMode.GetWidth(), + displayMode.GetHeight(), + displayMode.GetDepth()); + return FALSE; + } + g_displayDC = new MGLDisplayDC(mode, 1, refresh); + if ( !g_displayDC->isValid() ) + { + delete g_displayDC; + g_displayDC = NULL; + return FALSE; + } + + g_winMng = MGL_wmCreate(g_displayDC->getDC()); + if (!g_winMng) + return FALSE; + + return TRUE; +} + +static void wxDestroyMGL_WM() +{ + if ( g_winMng ) + { + MGL_wmDestroy(g_winMng); + g_winMng = NULL; + } + if ( g_displayDC ) + { + delete g_displayDC; + g_displayDC = NULL; + } } //----------------------------------------------------------------------------- @@ -69,26 +216,429 @@ BEGIN_EVENT_TABLE(wxApp, wxEvtHandler) END_EVENT_TABLE() -int wxEntry( int argc, char *argv[] ) +wxApp::wxApp() : m_mainLoop(NULL) +{ +} + +wxApp::~wxApp() +{ +} + +wxDisplayModeInfo wxGetDefaultDisplayMode() +{ + wxString mode; + unsigned w, h, bpp; + + 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); +} + +bool wxApp::SetDisplayMode(const wxDisplayModeInfo& mode) +{ + if ( !mode.IsOk() ) + { + 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; + } + + if ( !wxCreateMGL_WM(mode) ) + return FALSE; + gs_rootWindow = new wxRootWindow; + + m_displayMode = mode; + + return TRUE; +} + +bool wxApp::OnInitGui() +{ + if ( !wxAppBase::OnInitGui() ) + 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 + wxString redirect; + if ( wxGetEnv(wxT("WXSTDERR"), &redirect) ) + freopen(redirect.mb_str(), "wt", stderr); +#endif + + 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; +} + +bool wxApp::SendIdleEvents(wxWindow* win) +{ + bool needMore = FALSE; + + wxIdleEvent event; + event.SetEventObject(win); + + win->GetEventHandler()->ProcessEvent(event); + + if ( event.MoreRequested() ) + needMore = TRUE; + + wxNode* node = win->GetChildren().First(); + while (node) + { + wxWindow* win = (wxWindow*) node->Data(); + if ( SendIdleEvents(win) ) + needMore = TRUE; + + node = node->Next(); + } + return needMore; +} + +int wxApp::MainLoop() { - return 0; + 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(); +} + +void wxApp::DeletePendingObjects() +{ + wxNode *node = wxPendingDelete.First(); + while (node) + { + wxObject *obj = (wxObject *)node->Data(); + + delete obj; + + if ( wxPendingDelete.Find(obj) ) + delete node; + + node = wxPendingDelete.First(); + } +} -// FIXME_MGL - this is temporary solution, will be removed -// once I have wxApp up and running -bool wxMGL_Initialize() +bool wxApp::Initialize() { - wxBuffer = new wxChar[BUFSIZ + 512]; + if ( MGL_init(".", NULL) == 0 ) + { + wxLogError(_("Cannot initialize SciTech MGL!")); + return FALSE; + } wxClassInfo::InitializeClasses(); - wxSystemSettings::Init(); - wxTheColourDatabase = new wxColourDatabase( wxKEY_STRING ); + +#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; } +void wxApp::CleanUp() +{ +#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; + + + // 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; + + // check for memory leaks +#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT + if (wxDebugContext::CountObjectsLeft(TRUE) > 0) + { + 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 + + 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; + } + + 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(); + } + } + + wxEntryCleanup(); + + return retValue; +}