/////////////////////////////////////////////////////////////////////////////
-// 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"
#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"
#include "wx/univ/colschem.h"
#include "wx/sysopt.h"
#include "wx/mgl/private.h"
+#include "wx/private/fontmgr.h"
//-----------------------------------------------------------------------------
-// Global data
+// wxApp::Exit()
//-----------------------------------------------------------------------------
-wxApp *wxTheApp = NULL;
-wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL;
-
-
-//-----------------------------------------------------------------------------
-// wxExit
-//-----------------------------------------------------------------------------
-
-void wxExit()
+void wxApp::Exit()
{
MGL_exit();
exit(0);
}
-//-----------------------------------------------------------------------------
-// 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()
+void wxApp::WakeUpIdle()
{
#if wxUSE_THREADS
if (!wxThread::IsMain())
wxMutexGuiEnter();
#endif
- while (wxTheApp->ProcessIdle()) {}
+ while (wxTheApp->ProcessIdle())
+ ;
#if wxUSE_THREADS
if (!wxThread::IsMain())
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()
IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler)
-BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
- EVT_IDLE(wxApp::OnIdle)
-END_EVENT_TABLE()
-
-
-wxApp::wxApp() : m_mainLoop(NULL)
+wxApp::wxApp()
{
}
{
}
-bool wxApp::SetDisplayMode(const wxDisplayModeInfo& mode)
+wxVideoMode wxGetDefaultDisplayMode()
+{
+ wxString mode;
+ unsigned w, h, bpp;
+
+ if ( !wxGetEnv(wxT("WXMODE"), &mode) ||
+ (wxSscanf(mode.c_str(), wxT("%ux%u-%u"), &w, &h, &bpp) != 3) )
+ {
+ w = 640, h = 480, bpp = 16;
+ }
+
+ return wxVideoMode(w, h, bpp);
+}
+
+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
- if ( wxGetEnv(wxT("WXDEBUG"), NULL) )
- freopen("output.err", "wt", stderr);
-#endif
+ // it to file if WXSTDERR environment variable is set to be able to see
+ // wxLogDebug() output
+ wxString redirect;
+ if ( wxGetEnv(wxT("WXSTDERR"), &redirect) )
+ freopen(redirect.mb_str(), "wt", stderr);
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();
+ return true;
}
-void wxApp::OnIdle(wxIdleEvent &event)
+bool wxApp::Initialize(int& argc, wxChar **argv)
{
- 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;
+#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();
-}
-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();
+ MGL_exit();
+ return false;
}
-}
-bool wxApp::Initialize()
-{
- if ( MGL_init(".", NULL) == 0 )
- return FALSE;
-
- wxBuffer = new wxChar[BUFSIZ + 512];
-
- wxClassInfo::InitializeClasses();
-
- wxSystemSettings::Init();
-
#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);
-}
-
-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
-
- wxSystemSettings::Done();
-
- 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)
- {
- 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();
+ return true;
}
-
-int wxEntryStart(int argc, char *argv[])
+// 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
{
- return wxApp::Initialize() ? 0 : -1;
-}
-
+ bool OnInit() { return true; }
-int wxEntryInitGui()
-{
- return wxTheApp->OnInitGui() ? 0 : -1;
-}
-
-
-void wxEntryCleanup()
-{
- wxApp::CleanUp();
-}
-
-
-
-int wxEntry(int argc, char *argv[])
-{
-#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 )
+ void OnExit()
{
- 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);
+ wxFontsManager::CleanUp();
- int retValue;
- retValue = wxEntryInitGui();
-
- // Here frames insert themselves automatically into wxTopLevelWindows by
- // getting created in OnInit().
- if ( retValue == 0 )
- {
- if ( !wxTheApp->OnInit() )
- retValue = -1;
+ wxDestroyMGL_WM();
+ MGL_exit();
}
+};
- 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);
}
projects / wxWidgets.git / blobdiff