/////////////////////////////////////////////////////////////////////////////
// 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
/////////////////////////////////////////////////////////////////////////////
#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 <mgraph.hpp>
+#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);
}
// 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;
+ }
}
//-----------------------------------------------------------------------------
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;
+}
projects / wxWidgets.git / blobdiff